CBVault Component

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The CBVault class lets applications create a vault and manipulate its contents.

Syntax

cbfsvault.CBVault

Remarks

The CBVault struct allows applications to create a vault and interact with its contents directly. A vault can contain any number of files, directories, alternate streams, and symbolic links; as long as it has sufficient capacity to store them. For more information about using CBFS Vault's many features, please refer to the extensive General Information topics.

The CBVault struct is available on all platforms supported by the CBFS Vault product.

Getting Started

Each CBVault struct instance can control a single vault at once. Applications can use multiple instances of the CBVault struct if their use-case requires multiple vaults.

Use the following steps to get up and running:

1. Create or open a vault by calling the OpenVault method.
2. Interact with the vault and its contents using the CBVault struct's API methods.
3. When done, call the CloseVault method to close the vault.

Property List

The following is the full list of the properties of the component with short descriptions. Click on the links for further details.

Method List

The following is the full list of the methods of the component with short descriptions. Click on the links for further details.

Event List

The following is the full list of the events fired by the component with short descriptions. Click on the links for further details.

Config Settings

The following is a list of config settings for the component with short descriptions. Click on the links for further details.

Active Property (CBVault Component)

This property reflects whether a vault has been opened.

Syntax

func (obj *CBVault) Active() (bool, error)

Default Value

false

Remarks

This property reflects whether the struct has opened a vault; it will be true once the OpenVault method has been called successfully.

This property is read-only.

Data Type

bool

AutoCompactAt Property (CBVault Component)

This property specifies the free space percentage threshold a vault must reach to be eligible for automatic compaction.

Syntax

func (obj *CBVault) AutoCompactAt() (int32, error)
func (obj *CBVault) SetAutoCompactAt(value int32) error

Default Value

25

Remarks

This property specifies the percentage of free space a vault must have, at minimum, for it to be eligible for automatic vault compaction. An eligible vault may be compacted automatically in the background at any time. Please refer to the CompactVault method for more information about the compacting process.

To guard against excessive automatic compaction operations, applications can set the AutoCompactDelay configuration setting to a nonzero value. Alternatively, this property can be set to 0 to disable automatic compaction completely.

A vault opened in ReadOnly mode will never be compacted, regardless of this property's value.

Note: This property cannot be changed within events.

Data Type

int32

CallbackMode Property (CBVault Component)

This property specifies whether the class should operate in callback mode.

Syntax

func (obj *CBVault) CallbackMode() (bool, error)
func (obj *CBVault) SetCallbackMode(value bool) error

Default Value

false

Remarks

This property specifies whether the struct should operate in callback mode, causing all vault access to be performed through the following events. Please refer to the Callback Mode topic for more information.

When this property is enabled, the following events must all be implemented for the struct to function correctly:

• VaultClose
• VaultDelete
• VaultFlush
• VaultGetParentSize
• VaultGetSize
• VaultOpen
• VaultRead
• VaultSetSize
• VaultWrite

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

bool

CaseSensitive Property (CBVault Component)

This property specifies whether the class should open a vault in case-sensitive mode.

Syntax

func (obj *CBVault) CaseSensitive() (bool, error)
func (obj *CBVault) SetCaseSensitive(value bool) error

Default Value

false

Remarks

This property specifies whether the struct should open a vault in case-sensitive mode. Enabling this property causes all file, directory, symbolic link, alternate stream, and file tag names to be treated as case sensitive.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

bool

DefaultFileAccessPassword Property (CBVault Component)

This property specifies the default encryption password to use when opening files and alternate streams.

Syntax

func (obj *CBVault) DefaultFileAccessPassword() (string, error)
func (obj *CBVault) SetDefaultFileAccessPassword(value string) error

Default Value

""

Remarks

This property specifies the default encryption password that the struct should use when opening files and alternate streams.

Please refer to the Encryption topic for more information.

As an alternative to using this property, applications may call the CacheFilePassword method (before a file is opened) to specify a one-time-use password or may specify file encryption passwords dynamically using the FilePasswordNeeded event.

Data Type

string

DefaultFileCompression Property (CBVault Component)

This property specifies the default compression mode to use when creating files and alternate streams.

Syntax

func (obj *CBVault) DefaultFileCompression() (int32, error)
func (obj *CBVault) SetDefaultFileCompression(value int32) error

Default Value

0

Remarks

This property specifies the default compression mode that the struct should use when creating files and alternate streams. Valid values are as follows:

Applications that use custom compression must implement the DataCompress and DataDecompress events. Please refer to the Compression topic for more information.

Applications can also specify a default compression level using the DefaultFileCompressionLevel configuration setting, if desired.

Data Type

int32

DefaultFileCreatePassword Property (CBVault Component)

This property specifies the default encryption password to use when creating new files and alternate streams.

Syntax

func (obj *CBVault) DefaultFileCreatePassword() (string, error)
func (obj *CBVault) SetDefaultFileCreatePassword(value string) error

Default Value

""

Remarks

This property specifies the default encryption password that the struct should use when creating new files and alternate streams.

Please refer to the Encryption topic for more information.

Data Type

string

DefaultFileEncryption Property (CBVault Component)

This property specifies the default encryption mode to use when creating files and alternate streams.

Syntax

func (obj *CBVault) DefaultFileEncryption() (int32, error)
func (obj *CBVault) SetDefaultFileEncryption(value int32) error

Default Value

0

Remarks

This property specifies the default encryption mode that the struct should use when creating files and alternate streams. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

Applications that set this property to a value other than VAULT_EM_NONE (the default) should also specify a default encryption password using the DefaultFileCreatePassword property.

Data Type

int32

IsCorrupted Property (CBVault Component)

This property specifies whether the vault is corrupted.

Syntax

func (obj *CBVault) IsCorrupted() (bool, error)

Default Value

false

Remarks

This property reflects whether the currently open vault is corrupted, as indicated by the presence of the VAULT_ST_CORRUPTED flag in the VaultState property.

The VAULT_ST_CORRUPTED flag is set automatically anytime the struct detects that a vault's integrity has been compromised. Calling the CheckAndRepair method for a corrupted vault will clear the flag.

This property is read-only.

Data Type

bool

LastWriteTime Property (CBVault Component)

This property specifies the last modification time of the vault.

Syntax

func (obj *CBVault) LastWriteTime() (time.Time, error)

Default Value

0

Remarks

This property reflects the vault's last modification time, specified in UTC.

This property is read-only.

Data Type

time.Time

Logo Property (CBVault Component)

This property specifies an application-defined text-based logo stored in the second page of a vault.

Syntax

func (obj *CBVault) Logo() (string, error)
func (obj *CBVault) SetLogo(value string) error

Default Value

"CBFS Vault"

Remarks

This property is used to control a vault's logo, which is a UTF-16LE string stored in the second page of a vault. A vault's logo is visible to anyone who inspects its raw data and thus can be used to provide information about the vault itself.

Vault logos can be up to 127 characters long (not including the null terminator).

Note: This property cannot be changed within events.

Data Type

string

PageSize Property (CBVault Component)

This property specifies the vault's page size.

Syntax

func (obj *CBVault) PageSize() (int32, error)
func (obj *CBVault) SetPageSize(value int32) error

Default Value

4096

Remarks

This property controls the page size used when creating new vaults and reflects the page size of the currently open vault. Valid values are 256 through 65536 bytes (inclusive).

A vault's page size is permanent, it cannot be changed after the vault is created. Please refer to the Vaults topic for more information.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

int32

PathSeparator Property (CBVault Component)

This property specifies the path separator character to use when returning vault paths.

Syntax

func (obj *CBVault) PathSeparator() (int32, error)
func (obj *CBVault) SetPathSeparator(value int32) error

Default Value

92

Remarks

This property specifies the path separator character that the struct APIs should use when returning a vault path. Valid values are as follows:

Note: This property is just a convenience; applications are free to use either of the above characters as path separators when passing path strings to the struct's APIs.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

int32

PossibleFreeSpace Property (CBVault Component)

This property specifies the maximum amount of free space the vault could possibly have available.

Syntax

func (obj *CBVault) PossibleFreeSpace() (int64, error)

Default Value

0

Remarks

This property reflects the maximum amount of free space, in bytes, that the vault could possibly have available. That is, it is the amount of free space that would be available if the vault automatically grew to its maximum PossibleSize right now, without any additional data being written to it. Therefore:

• If VaultSizeMax is 0 (unlimited): this property is equivalent to VaultFreeSpace + parent_free_space.
• If VaultSizeMax is not 0: this property is equivalent to VaultFreeSpace + min(parent_free_space, (VaultSizeMax - VaultSize)).

In both cases, parent_free_space is the amount of free space available for the vault to use for automatic growth. For a file-based vault, this is the total amount of free space on the disk where the vault's storage file (i.e., VaultFile) resides, as reported by the OS. For a Callback Mode vault, this is whatever value the application provides through the VaultGetParentSize event.

Please refer to the Vault Size topic for more information.

This property is read-only.

Data Type

int64

PossibleSize Property (CBVault Component)

This property specifies the maximum size the vault could possibly be.

Syntax

func (obj *CBVault) PossibleSize() (int64, error)

Default Value

0

Remarks

This property reflects the maximum size, in bytes, that the vault could possibly be. That is, it is the size that the vault would be if it automatically grew as much as possible right now, without any additional data being written to it. Therefore:

• If VaultSizeMax is 0 (unlimited): this property is equivalent to VaultFreeSpace + parent_free_space.
• If VaultSizeMax is not 0: this property matches VaultSizeMax.

In the former case, parent_free_space is the amount of free space available for the vault to use for automatic growth. For a file-based vault, this is the total amount of free space on the disk where the vault's storage file (i.e., VaultFile) resides, as reported by the OS. For a Callback Mode vault, this is whatever value the application provides through the VaultGetParentSize event.

Please refer to the VaultSize topic for more information.

This property is read-only.

Data Type

int64

ReadOnly Property (CBVault Component)

This property specifies whether the class should open a vault in read-only mode.

Syntax

func (obj *CBVault) ReadOnly() (bool, error)
func (obj *CBVault) SetReadOnly(value bool) error

Default Value

false

Remarks

This property specifies whether the struct should open a vault in read-only mode. When a vault is opened in read-only mode, the following restrictions apply:

• No new vault items (e.g., files, directories, symbolic links, and alternate streams) may be created.
• No existing vault items may be modified, renamed, moved, or deleted. This includes updating access times.
• The vault cannot be resized or compacted (automatically or explicitly).
• Vault corruption cannot be repaired using CheckAndRepair.

Note: This list may not necessarily be exhaustive.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

bool

Tag Property (CBVault Component)

This property stores application-defined data specific to a particular instance of the class.

Syntax

func (obj *CBVault) Tag() (int64, error)
func (obj *CBVault) SetTag(value int64) error

Default Value

0

Remarks

This property can be used to store data specific to a particular instance of the struct.

Data Type

int64

UseAccessTime Property (CBVault Component)

This property specifies whether the class should keep track of last access times for vault items.

Syntax

func (obj *CBVault) UseAccessTime() (bool, error)
func (obj *CBVault) SetUseAccessTime(value bool) error

Default Value

false

Remarks

This property specifies whether the struct should update the last access time for vault items (e.g., files, directories, symbolic links, and alternate streams) every time they are accessed.

Note: Keeping track of access times will slow down operations.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

bool

UseSystemCache Property (CBVault Component)

This property specifies whether the operating system's cache is used.

Syntax

func (obj *CBVault) UseSystemCache() (bool, error)
func (obj *CBVault) SetUseSystemCache(value bool) error

Default Value

true

Remarks

This property specifies whether the operating system's cache should be used. Use of the OS cache affects the speed of various vault operations; however, the exact effects depend on the type of operation as well as the data sizes involved.

Disabling this property will cause a vault's storage file (specified by the VaultFile property) to be opened with FILE_FLAG_NO_BUFFERING (on Windows) or F_NOCACHE (on Linux/macOS).

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

bool

VaultEncryption Property (CBVault Component)

This property specifies the whole-vault encryption mode.

Syntax

func (obj *CBVault) VaultEncryption() (int32, error)
func (obj *CBVault) SetVaultEncryption(value int32) error

Default Value

0

Remarks

This property controls the whole-vault encryption mode used when creating new vaults and reflects the whole-vault encryption mode of the currently open vault. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

To create a new vault with whole-vault encryption enabled, the VaultPassword property must be set as well.

When an existing vault is opened, the struct updates VaultEncryption automatically based on the detected whole-vault encryption mode. If the vault is encrypted, the struct will attempt to access it using the password specified by VaultPassword. If VaultPassword is incorrect, the attempt will fail and the vault will not be opened.

The VaultEncryption and VaultPassword properties cannot be used to change an open vault's whole-vault encryption mode or password; use the UpdateVaultEncryption method.

Please refer to the Encryption topic for more information.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

int32

VaultFile Property (CBVault Component)

This property specifies the vault to create or open.

Syntax

func (obj *CBVault) VaultFile() (string, error)
func (obj *CBVault) SetVaultFile(value string) error

Default Value

""

Remarks

This property specifies the vault to create or open when the OpenVault method is called.

When the CallbackMode property is disabled (default), this property specifies the vault storage file to create or open. It must be set to a fully qualified file path formatted according to OS conventions.

When the CallbackMode property is enabled, this property is only used to populate the Vault parameter of the VaultOpen, VaultGetParentSize, and VaultDelete events; and can be set to any application-defined value. Please refer to the Callback Mode topic for more information.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

string

VaultFreeSpace Property (CBVault Component)

This property reflects the actual amount of free space the vault has available.

Syntax

func (obj *CBVault) VaultFreeSpace() (int64, error)

Default Value

0

Remarks

This property reflects the actual amount of free space, in bytes, that the vault currently has available. A vault's actual free space is based on its actual size, which is reflected by the VaultSize property.

Applications can also determine the maximum amount of free space the vault could possibly have by querying the PossibleFreeSpace property; please refer to its documentation, as well as the Vault Size topic, for more information.

This property is read-only.

Data Type

int64

VaultPassword Property (CBVault Component)

This property specifies the whole-vault encryption password.

Syntax

func (obj *CBVault) VaultPassword() (string, error)
func (obj *CBVault) SetVaultPassword(value string) error

Default Value

""

Remarks

This property specifies the whole-vault encryption password to use when creating new vaults and opening existing vaults.

To create a new vault with whole-vault encryption enabled, the VaultEncryption property must be set as well.

When an existing vault is opened, the struct updates VaultEncryption automatically based on the detected whole-vault encryption mode. If the vault is encrypted, the struct will attempt to access it using the password specified by VaultPassword. If VaultPassword is incorrect, the attempt will fail and the vault will not be opened.

The VaultEncryption and VaultPassword properties cannot be used to change an open vault's whole-vault encryption mode or password; use the UpdateVaultEncryption method.

Please refer to the Encryption topic for more information.

Note: This property cannot be changed when Active is true, and it cannot be changed within events.

Data Type

string

VaultSize Property (CBVault Component)

This property specifies the actual size of the vault.

Syntax

func (obj *CBVault) VaultSize() (int64, error)
func (obj *CBVault) SetVaultSize(value int64) error

Default Value

0

Remarks

This property specifies the actual size of the vault, in bytes.

Applications may use this property to explicitly resize a vault, keeping in mind the following:

• A vault cannot shrink more than its available free space allows (i.e., not by more than VaultFreeSpace bytes).
• A vault cannot shrink beyond VaultSizeMin bytes.
• If VaultSizeMax is not 0 (unlimited), a vault cannot grow beyond VaultSizeMax bytes.
• If a vault grows enough to reach or exceed its AutoCompactAt threshold, it will automatically shrink again when the next automatic compaction occurs.

Applications can determine the maximum size a vault could possibly be by querying the PossibleSize property. Please refer to the Vault Size topic for more information.

Note: This property can be changed only when Active is true, and it cannot be changed within events.

Data Type

int64

VaultSizeMax Property (CBVault Component)

This property specifies the maximum size a vault can be.

Syntax

func (obj *CBVault) VaultSizeMax() (int64, error)
func (obj *CBVault) SetVaultSizeMax(value int64) error

Default Value

0

Remarks

This property specifies the maximum size, in bytes, that a vault can be. This property must be set to 0 (unlimited), or a number greater than or equal to 8 * PageSize or VaultSizeMin (whichever is greater).

The limit imposed by this property, if any, applies to both explicit growth of a vault via the VaultSize property, and implicit growth of a vault due to storage load. Please refer to the Vault Size topic for more information.

Note: This property cannot be changed within events.

Data Type

int64

VaultSizeMin Property (CBVault Component)

This property specifies the minimum size a vault can be.

Syntax

func (obj *CBVault) VaultSizeMin() (int64, error)
func (obj *CBVault) SetVaultSizeMin(value int64) error

Default Value

0

Remarks

This property specifies the minimum size, in bytes, that a vault can be. This property's value must be less than or equal to VaultSizeMax, unless VaultSizeMax is set to 0 (unlimited).

The limit imposed by this property applies to both explicit shrinking of a vault via the VaultSize property or the CompactVault method, and implicit shrinking of a vault via automatic compaction. Please refer to the Vault Size topic for more information.

Note: This property cannot be changed within events.

Data Type

int64

VaultState Property (CBVault Component)

This property specifies information about the state of the vault.

Syntax

func (obj *CBVault) VaultState() (int32, error)

Default Value

0

Remarks

This property reflects the current state of the vault; its value consists of one or more of the following flags, ORed together:

This property is read-only.

Data Type

int32

CacheFilePassword Method (CBVault Component)

This method caches an encryption password to use the next time a file or alternate stream is accessed or removes the cached password.

Syntax

func (obj *CBVault) CacheFilePassword(FileName string, Password string, TTLInCache int32, RemoveFromCache bool) error

Remarks

This method temporarily caches an encryption password so that it can be used the next time the file or alternate stream specified by FileName is accessed.

The value passed for FileName must be a vault-local absolute path.

The Password parameter specifies the password to cache. It must match the one last used to encrypt the specified file or the alternate stream; otherwise, this method returns an error.

The specified password is automatically removed from the cache as soon as one of the following things occur:

• The password is used to access the file or alternate stream and the value of the TTLInCache parameter is 0.
• The password for the file or alternate stream is changed.
• The vault is closed.
• The timeout expires.

To remove the previously cached password from the cache, set the RemoveFromCache parameter to true. When it is set so, the value of the Password parameter is ignored.

The TTLInCache parameter specifies time to seconds that the struct keeps the password in the internal cache to reduce the number of requests for a password. The value of 0 tells the struct to discard the password after the first use.

As an alternative to using this method, applications can provide a default file encryption password using the DefaultFileAccessPassword property or provide such passwords dynamically using the FilePasswordNeeded event.

Note: This method can be called only when Active is true.

CheckAndRepair Method (CBVault Component)

This method checks a vault's consistency and repairs it as necessary.

Syntax

func (obj *CBVault) CheckAndRepair(Flags int32) error

Remarks

This method checks the consistency of a vault and attempts to repair it as necessary.

Applications should call this method if a vault has become corrupted (i.e., if the IsCorrupted property is true, or if a vault operation fails with a "Vault Corrupted" error). Be sure to make a vault backup before calling this method, because its repair efforts may cause data loss in cases of severe corruption. Please refer to the Vault Corruption topic for more information.

The Flags parameter is used to specify additional options, and it should be set by ORing together zero or more of the following flags:

Note: This method cannot be called when Active is true, and it cannot be called within events.

CheckFilePassword Method (CBVault Component)

This method verifies whether a particular file password is correct.

Syntax

func (obj *CBVault) CheckFilePassword(FileName string, Password string) (bool, error)

Remarks

This method verifies whether the specified Password matches the one used to encrypt the file or alternate stream specified by FileName. If the password is correct, this method returns true; otherwise, it returns false.

The value passed for FileName must be a vault-local absolute path.

Please refer to the Encryption topic for more information.

Note: This method can be called only when Active is true.

CheckVaultPassword Method (CBVault Component)

This method verifies whether a particular vault password is correct.

Syntax

func (obj *CBVault) CheckVaultPassword(Password string) (bool, error)

Remarks

This method verifies whether the specified Password matches the one used to encrypt the vault. If the password is correct, this method returns true; otherwise, it returns false.

Please refer to the Encryption topic for more information.

Note: This method can be called only when Active is true.

CloseVault Method (CBVault Component)

This method closes the vault.

Syntax

func (obj *CBVault) CloseVault() error

Remarks

This method closes the currently open vault.

Note: This method can be called only when Active is true.

CompactVault Method (CBVault Component)

This method compacts the vault.

Syntax

func (obj *CBVault) CompactVault() (bool, error)

Remarks

This method triggers vault compaction, which is a process that shrinks a vault's overall size by truncating its free space. If the compacting operation completes successfully, this method returns true; otherwise, it returns false.

Compaction involves physically moving a vault's occupied pages to the beginning of the vault, and then truncating the unoccupied pages from the end of the vault. The runtime of a compacting operation depends on a number of factors, and it is possible for it to be interrupted by other vault operations.

Compaction occurs automatically when the vault's free space percentage exceeds the threshold specified by the AutoCompactAt property. Applications can also use the AutoCompactDelay configuration setting to add a delay to the automatic compaction trigger.

Note: A vault opened in ReadOnly mode cannot be compacted, either automatically or explicitly.

Note: This method can be called only when Active is true, and it cannot be called within events.

Config Method (CBVault Component)

Sets or retrieves a configuration setting.

Syntax

func (obj *CBVault) Config(ConfigurationString string) (string, error)

Remarks

Config is a generic method available in every struct. It is used to set and retrieve configuration settings for the struct.

These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the struct, access to these internal properties is provided through the Config method.

To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).

To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.

CopyFromVault Method (CBVault Component)

This method copies files and directories from the vault to a physical filesystem.

Syntax

func (obj *CBVault) CopyFromVault(VaultPath string, SystemPath string, Mask string, Flags int32, Password string) error

Remarks

This method copies the files and directories at the specified VaultPath to a physical filesystem location, specified by SystemPath. Only the files and directories whose names match the specified Mask are copied. When copying files recursively, files that match the mask are picked from any subdirectories (i.e., the mask is not applied to directory names when files are collected for copying).

The values passed for VaultPath and SystemPath must be vault-local and system-local absolute paths, respectively. The value passed for Mask may contain wildcard characters.

The Flags parameter is used to control recursion and overwrite behavior. It should be set by ORing together zero or more of the following flags:

The Password parameter specifies the password to use to access files' data, if they are encrypted.

Note: This method can be called only when Active is true, and it cannot be called within events.

CopyToVault Method (CBVault Component)

This method copies files and directories from a physical filesystem to the vault.

Syntax

func (obj *CBVault) CopyToVault(SystemPath string, VaultPath string, Mask string, Flags int32, Encryption int32, Password string, Compression int32, CompressionLevel int32, PagesPerBlock int32) error

Remarks

This method copies the files and directories from a physical filesystem location, specified by SystemPath, to the specified VaultPath. Only the files and directories whose names match the specified Mask are copied. When copying files recursively, files that match the mask are picked from any subdirectories (i.e., the mask is not applied to directory names when files are collected for copying).

The values passed for SystemPath and VaultPath must be system-local and vault-local absolute paths, respectively. The value passed for Mask may contain wildcard characters.

The Flags parameter is used to control recursion and overwrite behavior. It should be set by ORing together zero or more of the following flags:

The Encryption parameter specifies Encryption behavior for files created (or overwritten) during the copy operation. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

The Password parameter specifies the password to use for encryption, if applicable.

The Compression parameter specifies the Compression behavior for files created (or overwritten) during the copy operation. Valid values are:

Applications that use custom compression must implement the DataCompress and DataDecompress events. Please refer to the Compression topic for more information.

The CompressionLevel parameter specifies the compression level to use, if applicable.

The PagesPerBlock parameter specifies how many pages should be compressed as a single block, if applicable. Valid values are powers of 2 up to and including 128 (i.e., 2, 4, 8, 16, 32, 64, or 128), or 0, which is interpreted as "default" (currently 16 for both zlib and run-length encoding [RLE]). Larger values allow for more efficient compression; however, because a block must be decompressed (and, for writes, recompressed) anytime its data are accessed, larger values can also cause excessive slowdown, especially for random access.

Note: This method can be called only when Active is true, and it cannot be called within events.

CreateDirectory Method (CBVault Component)

This method creates a new directory in the vault.

Syntax

func (obj *CBVault) CreateDirectory(Directory string, CreateParents bool) error

Remarks

This method creates a new directory in the vault at the path specified by Directory.

The value passed for Directory must be a vault-local absolute path.

The CreateParents parameter specifies whether nonexistent parent directories in the specified path should be created as well. If this parameter is false, and one or more parent directories are missing, this method returns an error.

Note: This method can be called only when Active is true, and it cannot be called within events.

CreateLink Method (CBVault Component)

This method creates a symbolic link to another file in the vault.

Syntax

func (obj *CBVault) CreateLink(LinkName string, DestinationName string) error

Remarks

This method creates a new symbolic link named LinkName that points to the file specified by DestinationName.

The value passed for LinkName must be a vault-local absolute path. The value passed for DestinationName must also be a vault-local path, but it may be absolute or relative to LinkName.

Note: This method can be called only when Active is true, and it cannot be called within events.

DeleteFile Method (CBVault Component)

This method deletes a vault item.

Syntax

func (obj *CBVault) DeleteFile(FileName string) error

Remarks

This method deletes the vault item (file, directory, symbolic link, or alternate stream) specified by FileName from the vault.

The value passed for FileName must be a vault-local absolute path.

Please note the following:

• When a file is deleted, any alternate streams it contains are deleted as well.
• Directories must be empty to be deleted; otherwise, this method returns an error. Use the IsDirectoryEmpty method to check whether a directory is empty.
• Deleting a symbolic link only deletes the link itself, not the file it points to.

Note: This method can be called only when Active is true, and it cannot be called within events.

DeleteFileTag Method (CBVault Component)

This method deletes a file tag.

Syntax

func (obj *CBVault) DeleteFileTag(FileName string, TagId int32, TagName string) error

Remarks

This method deletes the file tag identified by TagId or TagName from the file, directory, or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

To delete a raw file tag, pass its Id for TagId and pass an empty string for TagName. To delete a typed file tag, pass its name for TagName and pass 0 for TagId. If values are provided for both TagId and TagName, this method returns an error.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

FileExists Method (CBVault Component)

This method checks whether a vault item exists.

Syntax

func (obj *CBVault) FileExists(FileName string) (bool, error)

Remarks

This method checks whether a vault item (file, directory, symbolic link, or alternate stream) with the specified FileName exists in the vault. If the specified vault item exists, this method returns true; otherwise, it returns false.

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

FileMatchesMask Method (CBVault Component)

This method checks whether a particular file or directory name matches the specified mask.

Syntax

func (obj *CBVault) FileMatchesMask(Mask string, FileName string, CaseSensitive bool) (bool, error)

Remarks

This method checks whether the file or directory name specified by FileName matches Mask; if it does, this method returns true. The CaseSensitive parameter controls whether a case-sensitive match should be performed.

Note: This method does not handle so-called DOS_* wildcards (DOS_STAR, DOS_QM, DOS_DOT). The explanation about the characters can be found in the MSDN article. If you have a mask that includes one of those characters on Windows, you can use the RtlIsNameInExpression function of Windows API.

Note: As the explanation states, "When you do a case-insensitive search and do not provide a translation table, the name is converted to uppercase."

FileTagExists Method (CBVault Component)

This method checks whether a file tag exists.

Syntax

func (obj *CBVault) FileTagExists(FileName string, TagId int32, TagName string) (bool, error)

Remarks

This method checks whether a file tag with the specified TagId or TagName is attached to the file, directory, or alternate stream specified by FileName. If the specified file tag exists, this method returns true; otherwise, it returns false.

The value passed for FileName must be a vault-local absolute path.

To check for a raw file tag, pass its Id for TagId and pass an empty string for TagName. To check for a typed file tag, pass its name for TagName and pass 0 for TagId. If values are provided for both TagId and TagName, this method returns an error.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

FileTimeToNanoseconds Method (CBVault Component)

This method returns the subsecond part of the time expressed in nanoseconds.

Syntax

func (obj *CBVault) FileTimeToNanoseconds(FileTime time.Time) (int32, error)

Remarks

Use this method to obtain the subsecond part of the FileTime value, expressed in nanoseconds.

FileTimeToUnixTime Method (CBVault Component)

This method converts FileTime to Unix time format.

Syntax

func (obj *CBVault) FileTimeToUnixTime(FileTime time.Time) (int64, error)

Remarks

Use this method to convert the FileTime value to Unix time format. The subsecond part of the value is not preserved; to obtain it, use the FileTimeToNanoseconds method.

FindClose Method (CBVault Component)

This method closes a search operation and releases any associated resources.

Syntax

func (obj *CBVault) FindClose(SearchId int64) error

Remarks

This method closes the search operation identified by SearchId, releasing any previously allocated resources associated with it.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

Note: This method can be called only when Active is true.

FindFirst Method (CBVault Component)

This method searches for the first vault item that matches the specified name and attributes.

Syntax

func (obj *CBVault) FindFirst(FileMask string, Attributes int32, Flags int32) (int64, error)

Remarks

This method initiates a search operation based on the specified FileMask, Attributes, and Flags. If there are any matching vault items (files, directories, symbolic links, or alternate streams), then a search operation Id is returned. If there are no matching vault items, then -1 is returned.

To obtain information about a search result, pass the returned search handle to the following methods:

• GetSearchResultAttributes
• GetSearchResultCreationTime
• GetSearchResultFullName
• GetSearchResultLastAccessTime
• GetSearchResultLinkDestination
• GetSearchResultMetadataSize
• GetSearchResultModificationTime
• GetSearchResultName
• GetSearchResultSize

To retrieve the next search result, pass the returned search handle to the FindNext method. When an application is finished with (or wants to abandon) a search operation, it must pass the associated search handle to the FindClose method to release the resources associated with it.

Because each search operation is identified by the search handle associated with it, applications may initiate additional search operations at any time and may process each operation's search results in any manner it desires (e.g., sequentially, round robin).

The FileMask parameter specifies both the directory path to search within and the file name mask to match against (e.g., \directory\to\search\*.txt). Or, when searching a file's alternate streams, it specifies the file path and stream name mask (e.g., \path\to\file:*). Only the mask may contain wildcards. The path must be specified in vault-local absolute format. Also note that files without an extension will match *, but not *.*.

The Attributes parameter specifies the attributes to match against; items will match only if they have one or more of the specified attributes. The value passed for this parameter should be constructed by ORing together zero or more of the following values. Passing 0 will allow any file in a directory (or, any alternate stream in a file) to match; it is equivalent to VAULT_FATTR_FILE | VAULT_FATTR_DATA_STREAM.

The Flags parameter controls search behavior. Among other things, it can be used to request that only specific pieces of information be returned, which can greatly improve performance. The value passed for this parameter should be constructed by ORing together zero or more of the following values:

Note: This method can be called only when Active is true, and it cannot be called within events.

FindFirstByQuery Method (CBVault Component)

This method searches for the first file or directory whose file tags match the specified query.

Syntax

func (obj *CBVault) FindFirstByQuery(Directory string, Query string, Flags int32) (int64, error)

Remarks

This method initiates a search operation within the specified Directory for files and subdirectories whose typed file tags match the specified Query. If there are any matching files or directories, then a search operation Id is returned. If there are no matching files or directories, then -1 is returned.

To obtain information about a search result, pass the returned search handle to the following methods:

• GetSearchResultAttributes
• GetSearchResultCreationTime
• GetSearchResultFullName
• GetSearchResultLastAccessTime
• GetSearchResultLinkDestination
• GetSearchResultMetadataSize
• GetSearchResultModificationTime
• GetSearchResultName
• GetSearchResultSize

To retrieve the next search result, pass the returned search handle to the FindNext method. When an application is finished with (or wants to abandon) a search operation, it must pass the associated search handle to the FindClose method to release the resources associated with it.

Because each search operation is identified by the search handle associated with it, applications may initiate additional search operations at any time and may process each operation's search results in any manner it desires (e.g., sequentially, round robin).

The value passed for Directory must be a vault-local absolute path.

The value passed for Query must be a search query constructed using the CBFS Vault Query Language; please refer to that topic for more information.

The Flags parameter controls search behavior. Among other things, it can be used to request that only specific pieces of information be returned, which can greatly improve performance. The value passed for this parameter should be constructed by ORing together zero or more of the following values:

Note: This method can be called only when Active is true, and it cannot be called within events.

FindNext Method (CBVault Component)

This method searches for the next vault item that matches an ongoing search operation.

Syntax

func (obj *CBVault) FindNext(SearchId int64) (bool, error)

Remarks

This method searches for the next vault item (file, directory, symbolic link, or alternate stream) that matches the ongoing search operation identified by SearchId. If a matching vault item is found, this method returns true; otherwise, it returns false.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery. Please refer to the methods' documentation for more information about search operations.

Note: This method can be called only when Active is true, and it cannot be called within events.

GetFileAttributes Method (CBVault Component)

This method retrieves the attributes of a vault item.

Syntax

func (obj *CBVault) GetFileAttributes(FileName string) (int32, error)

Remarks

This method retrieves the attributes of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The specified vault item's attributes are returned as a 32-bit integer composed of one or more of the following values:

Note: This method can be called only when Active is true.

GetFileCompression Method (CBVault Component)

This method retrieves the compression mode of a file or alternate stream.

Syntax

func (obj *CBVault) GetFileCompression(FileName string) (int32, error)

Remarks

This method retrieves the compression mode of the file or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The returned compression mode will be one of the following values:

Applications that use custom compression must implement the DataCompress and DataDecompress events. Please refer to the Compression topic for more information.

Note: This method can be called only when Active is true.

GetFileCreationTime Method (CBVault Component)

This method retrieves the creation time of a vault item.

Syntax

func (obj *CBVault) GetFileCreationTime(FileName string) (time.Time, error)

Remarks

This method retrieves the creation time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName. The timestamps returned by this method are specified in UTC.

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

GetFileEncryption Method (CBVault Component)

This method retrieves the encryption mode of a file or alternate stream.

Syntax

func (obj *CBVault) GetFileEncryption(FileName string) (int32, error)

Remarks

This method retrieves the encryption mode of the file or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The returned encryption mode will be one of the following values:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

Note: This method can be called only when Active is true.

GetFileLastAccessTime Method (CBVault Component)

This method retrieves the last access time of a vault item.

Syntax

func (obj *CBVault) GetFileLastAccessTime(FileName string) (time.Time, error)

Remarks

This method retrieves the creation time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName. The timestamps returned by this method are specified in UTC.

Note: Vault items' last access times are updated only if the UseAccessTime property is enabled.

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

GetFileMetadataSize Method (CBVault Component)

This method retrieves the size of the metadata associated with a vault item.

Syntax

func (obj *CBVault) GetFileMetadataSize(FileName string) (int64, error)

Remarks

This method retrieves the size of the metadata associated with the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

A vault item's metadata size reflects the total size of all vault pages associated with it that do not contain actual file/stream data; this includes file tags (both internal and application-defined), index pages, B-trees, and all other "filesystem information".

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

GetFileModificationTime Method (CBVault Component)

This method retrieves the modification time of a vault item.

Syntax

func (obj *CBVault) GetFileModificationTime(FileName string) (time.Time, error)

Remarks

This method retrieves the modification time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName. The timestamps returned by this method are specified in UTC.

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

GetFileSize Method (CBVault Component)

This method retrieves the size of a file or alternate stream.

Syntax

func (obj *CBVault) GetFileSize(FileName string) (int64, error)

Remarks

This method retrieves the size, in bytes, of the file or alternate stream specified by FileName.

Note: For files, the returned value reflects only the size of the file's immediate contents, it does not account for any alternate streams the file may or may not contain.

The value passed for FileName must be a vault-local absolute path.

Note: This method can be called only when Active is true.

GetFileTag Method (CBVault Component)

This method retrieves the binary data held by a raw file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTag(FileName string, TagId int32) ([]byte, error)

Remarks

This method retrieves the binary data held by a raw file tag, identified by TagId, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a raw file tag with the specified TagId is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagId must be in the range 0x0001 to 0xCFFF (inclusive).

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetFileTagAsAnsiString Method (CBVault Component)

This method retrieves the value of an AnsiString-typed file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagAsAnsiString(FileName string, TagName string) (string, error)

Remarks

This method retrieves the value of an AnsiString-typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If an AnsiString-typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

Please refer to the File Tags topic for more information.

This method can only retrieve typed file tags created with the SetFileTagAsAnsiString method. Typed file tags created with the SetFileTagAsString method must be retrieved using the GetFileTagAsString method.

Note: This method can be called only when Active is true.

GetFileTagAsBoolean Method (CBVault Component)

This method retrieves the value of a Boolean-typed file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagAsBoolean(FileName string, TagName string) (bool, error)

Remarks

This method retrieves the value of a Boolean-typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a Boolean-typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetFileTagAsDateTime Method (CBVault Component)

This method retrieves the value of a DateTime-typed file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagAsDateTime(FileName string, TagName string) (time.Time, error)

Remarks

This method retrieves the value of a DateTime-typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a DateTime-typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The timestamps returned by this method are specified in UTC.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetFileTagAsNumber Method (CBVault Component)

This method retrieves the value of a Number-typed file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagAsNumber(FileName string, TagName string) (int64, error)

Remarks

This method retrieves the value of a Number-typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a Number-typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetFileTagAsString Method (CBVault Component)

This method retrieves the value of a String-typed file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagAsString(FileName string, TagName string) (string, error)

Remarks

This method retrieves the value of a String-typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a String-typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

Please refer to the File Tags topic for more information.

This method can only retrieve typed file tags created with the SetFileTagAsString method. Typed file tags created with the SetFileTagAsAnsiString method must be retrieved using the GetFileTagAsAnsiString method.

Note: This method can be called only when Active is true.

GetFileTagDataType Method (CBVault Component)

This method retrieves the data type of a typed file tag attached to a specific vault item.

Syntax

func (obj *CBVault) GetFileTagDataType(FileName string, TagName string) (int32, error)

Remarks

This method retrieves the data type of a typed file tag, identified by TagName, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a typed file tag with the specified TagName is not attached to the specified vault item, this method returns an error.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The value returned by this method will be one of the following (except VAULT_TDT_RAWDATA, which is not applicable):

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetFileTagSize Method (CBVault Component)

This method retrieves the size of a raw file tag attached to the specified vault item.

Syntax

func (obj *CBVault) GetFileTagSize(FileName string, TagId int32) (int32, error)

Remarks

This method retrieves the size of the binary data held by a raw file tag, identified by TagId, attached to the vault item (e.g., file, directory, or alternate stream) specified by FileName. If a raw file tag with the specified TagId is not attached to the specified vault item, this method returns 0 as the tag size.

The value passed for FileName must be a vault-local absolute path. The value passed for TagId must be in the range 0x0001 to 0xCFFF (inclusive).

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true.

GetSearchResultAttributes Method (CBVault Component)

This method retrieves the attributes of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultAttributes(SearchId int64) (int32, error)

Remarks

This method retrieves the attributes of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

The vault item's attributes are returned as a 32-bit integer composed of one or more of the following values:

If, however, attributes were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_ATTRIBUTES for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return 0. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultCreationTime Method (CBVault Component)

This method retrieves the creation time of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultCreationTime(SearchId int64) (time.Time, error)

Remarks

This method retrieves the creation time of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

The timestamps returned by this method are specified in UTC.

If times were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_TIMES for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return January 1, 1601 00:00:00 UTC. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultFullName Method (CBVault Component)

This method retrieves the fully qualified name of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultFullName(SearchId int64) (string, error)

Remarks

This method retrieves the fully qualified name of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId (i.e., the vault item's vault-local absolute path). Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

If fully qualified names were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_FULL_NAME for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return an empty string. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultLastAccessTime Method (CBVault Component)

This method retrieves the last access time of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultLastAccessTime(SearchId int64) (time.Time, error)

Remarks

This method retrieves the creation time of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

The timestamps returned by this method are specified in UTC.

If times were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_TIMES for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return January 1, 1601 00:00:00 UTC. Please refer to the documentation for these methods for more information.

Note: Vault items' last access times are updated only if the UseAccessTime property is enabled.

Note: This method can be called only when Active is true.

GetSearchResultLinkDestination Method (CBVault Component)

This method retrieves the destination of a symbolic link found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultLinkDestination(SearchId int64) (string, error)

Remarks

This method retrieves the fully qualified name of a symbolic link found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

If the most recently found vault item is not a symbolic link, or if symbolic link destinations were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_LINK_DEST for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return an empty string. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultMetadataSize Method (CBVault Component)

This method retrieves the size of the metadata associated with a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultMetadataSize(SearchId int64) (int64, error)

Remarks

This method retrieves the size of the metadata associated with a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The metadata size of a vault item reflects the total size of all vault pages associated with it that do not contain actual file/stream data; this includes file tags (both internal and application defined), index pages, B-trees, and all other "filesystem information".

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

If metadata sizes were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_METADATA_SIZE for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return 0. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultModificationTime Method (CBVault Component)

This method retrieves the modification time of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultModificationTime(SearchId int64) (time.Time, error)

Remarks

This method retrieves the modification time of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

The timestamps returned by this method are specified in UTC.

If times were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_TIMES for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return January 1, 1601 00:00:00 UTC. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultName Method (CBVault Component)

This method retrieves the name of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultName(SearchId int64) (string, error)

Remarks

This method retrieves the name of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

The names returned by this method do not include a path; use GetSearchResultFullName if a path is needed.

If names were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_NAME for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return an empty string. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResults Method (CBVault Component)

This method retrieves all information about a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResults(SearchId int64, Name *string, FullName *string, Attributes *int32, Size *int64, CreationTime *time.Time, ModificationTime *time.Time, LastAccessTime *time.Time, LinkDestination *string, MetadataSize *int64) error

Remarks

This method retrieves all available information about a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

If names were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_NAME for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return empty strings. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

GetSearchResultSize Method (CBVault Component)

This method retrieves the size of a vault item found during a search operation.

Syntax

func (obj *CBVault) GetSearchResultSize(SearchId int64) (int64, error)

Remarks

This method retrieves the size of a vault item (e.g., file, directory, symbolic link, or alternate stream) found via FindFirst/FindFirstByQuery/FindNext as part of the search operation identified by SearchId. Please refer to those methods' documentation for more information.

Note: For files, the returned value reflects only the size of the file's immediate contents; it does not account for any alternate streams the file may or may not contain.

The value passed for SearchId must be a search operation Id returned by FindFirst or FindFirstByQuery.

If the vault item is a directory, or if sizes were not requested as part of the specified search operation (by passing either 0 or a value including VAULT_FF_NEED_SIZE for the FindFirst/FindFirstByQuery method's Flags parameter), this method will always return 0. Please refer to the documentation for these methods for more information.

Note: This method can be called only when Active is true.

IsDirectoryEmpty Method (CBVault Component)

This method checks whether a directory is empty.

Syntax

func (obj *CBVault) IsDirectoryEmpty(Directory string) (bool, error)

Remarks

This method checks whether the directory specified by Directory is empty (i.e., does not contain any files, subdirectories, or symbolic links). If the specified directory is empty, this method returns true; otherwise, it returns false.

The value passed for Directory must be a vault-local absolute path.

Note: This method can be called only when Active is true.

IsValidVault Method (CBVault Component)

This method checks whether a local file is a CBFS Vault vault.

Syntax

func (obj *CBVault) IsValidVault() (bool, error)

Remarks

This method checks whether the file specified by the VaultFile property is a CBFS Vault vault that can be opened by the struct. The file being checked must be fully closed when this method is called.

If the specified file is a CBFS Vault vault, this method returns true; otherwise, it returns false.

If the CallbackMode property is enabled, the check will be performed by the appropriate Vault* events (and the value held by VaultFile is simply passed to such events for the application to use).

Note: This method uses a simple detection mechanism; it does not perform a full consistency check or attempt any repairs, so applications may still need to call CheckAndRepair even if this method returns true. If an error occurs during the detection process, this method returns an error.

Note: This method cannot be called when Active is true, and it cannot be called within events.

MoveFile Method (CBVault Component)

This method renames or moves a vault item.

Syntax

func (obj *CBVault) MoveFile(OldFileName string, NewFileName string, Overwrite bool) error

Remarks

This method renames or moves a vault item (e.g., file, directory, symbolic link, or alternate stream) from the specified OldFileName to the specified NewFileName. For alternate streams, renaming is always possible, but moving them from one file to another is allowed only if the AllowMoveStreamsBetweenFiles configuration setting is enabled.

The values passed for OldFileName and NewFileName must both be vault-local absolute paths (including the item's old and new names, respectively) in the same vault.

The Overwrite parameter specifies what to do if a vault item with the specified NewFileName already exists. If Overwrite is true, and such an item exists, it will be overwritten by the item specified by OldFileName. But if such an item exists, and Overwrite is false, this method returns an error.

Note: The usual rules of deletion still apply for an item being overwritten. Notably, a nonempty directory cannot be overwritten.

Note: This method can be called only when Active is true, and it cannot be called within events.

OpenFile Method (CBVault Component)

This method opens a new or existing file or alternate stream in the vault.

Syntax

func (obj *CBVault) OpenFile(FileName string, OpenMode int32, ReadEnabled bool, WriteEnabled bool, Password string) (*CBFSVaultStream, error)

Remarks

This method opens the file or alternate stream specified by FileName, creating it if necessary based on the specified OpenMode, and returns a stream object that provides access to its data.

Note: Files and alternate streams cannot be created or written to if the vault is open in ReadOnly mode.

The value passed for FileName must be a vault-local absolute path.

The OpenMode parameter specifies what behavior to use when opening a file or alternate stream. Valid values are as follows:

The ReadEnabled and WriteEnabled parameters specify which kinds of access the returned stream object should permit.

Note: WriteEnabled is ignored if ReadOnly is true.

The Password parameter works as follows:

• If the specified file or alternate stream already exists and is encrypted, the specified Password is used to decrypt and access its data.
• If a new file or alternate stream is created, and the DefaultFileEncryption property is not VAULT_EM_NONE, the specified Password is used to encrypt it.

Internally, this method simply calls OpenFileEx, passing on all shared parameters' values and using the following defaults for the others:

• ShareDenyRead and ShareDenyWrite use true.
• Encryption uses the current DefaultFileEncryption value.
• Compression and CompressionLevel use the current DefaultFileCompression and DefaultFileCompressionLevel values, respectively.
• PagesPerBlock uses 16.

Note: This method can be called only when Active is true, and it cannot be called within events.

OpenFileEx Method (CBVault Component)

This method opens a new or existing file or alternate stream in the vault.

Syntax

func (obj *CBVault) OpenFileEx(FileName string, OpenMode int32, ReadEnabled bool, WriteEnabled bool, ShareDenyRead bool, ShareDenyWrite bool, Encryption int32, Password string, Compression int32, CompressionLevel int32, PagesPerBlock int32) (*CBFSVaultStream, error)

Remarks

This method opens the file or alternate stream specified by FileName, creating it if necessary based on the specified OpenMode, and returns a stream object that provides access to its data.

Note: Files and alternate streams cannot be created or written to if the vault is open in ReadOnly mode.

The value passed for FileName must be a vault-local absolute path.

The OpenMode parameter specifies what behavior to use when opening a file or alternate stream. Valid values are as follows:

The ReadEnabled and WriteEnabled parameters specify which kinds of access the returned stream object should permit.

Note: WriteEnabled is ignored if ReadOnly is true.

The ShareDenyRead and ShareDenyWrite parameters specify whether other accessors may read and/or write the specified file or alternate stream simultaneously. To prevent simultaneous read and/or write access, pass true; to allow it, pass false.

The Encryption parameter specifies the encryption mode to use when creating a file or alternate stream. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

The Password parameter works as follows:

• If the specified file or alternate stream already exists and is encrypted, the specified Password is used to decrypt and access its data.
• If a file or alternate stream is created, and Encryption is not VAULT_EM_NONE, the specified Password is used to encrypt it.

The Compression parameter specifies the compression mode to use when creating a file or alternate stream. Valid values are as follows:

Applications that use custom compression must implement the DataCompress and DataDecompress events. Please refer to the Compression topic for more information.

The CompressionLevel parameter specifies the compression level to use, if applicable.

The PagesPerBlock parameter specifies how many pages should be compressed as a single block, if applicable. Valid values are powers of 2 up to and including 128 (i.e., 2, 4, 8, 16, 32, 64, or 128), or 0, which is interpreted as "default" (currently 16 for both zlib and run-length encoding [RLE]). Larger values allow for more efficient compression; however, because a block must be decompressed (and, for writes, recompressed) anytime its data are accessed, larger values can also cause excessive slowdown, especially for random access.

Note: This method can be called only when Active is true, and it cannot be called within events.

OpenRootData Method (CBVault Component)

This method opens the vault's root data stream.

Syntax

func (obj *CBVault) OpenRootData() (*CBFSVaultStream, error)

Remarks

This method opens the vault's root data stream, returning a stream object that provides access to its data.

Please refer to the Using RootData topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

OpenVault Method (CBVault Component)

This method opens a new or existing vault.

Syntax

func (obj *CBVault) OpenVault(OpenMode int32, JournalingMode int32) error

Remarks

This method opens a vault, creating it if necessary based on the specified OpenMode.

The OpenMode parameter specifies what behavior to use when opening a vault. Valid values are as follows:

The JournalingMode parameter specifies whether any form of journaling should be used when working with the vault. Valid values are as follows:

When a vault is being created or opened, the VaultFile and/or CallbackMode properties are used to specify its location. If CallbackMode is disabled (default), the struct creates or opens a file-based vault at the path specified by VaultFile.

If CallbackMode is enabled, then the application controls where the vault is located and how it is accessed by the Vault* events (and the value held by VaultFile is simply passed to said events for the application to use). For brevity, vaults created and accessed using callback mode are referred to as "callback mode vaults"; please refer to the Callback Mode topic for more information.

The struct also has a number of other properties and configuration settings used when creating or opening a vault, all of which are listed below. Please refer to each one's documentation for more information, including usage restrictions.

• AutoCompactAt property
• AutoCompactDelay configuration setting
• CaseSensitive property
• Logo property
• MaxNonPagedNameLength configuration setting
• PageSize property
• PartSize configuration setting
• PathSeparator property
• ReadOnly property
• UseAccessTime property
• UseSystemCache property

If a file-based vault's storage file (or the storage device it is located on) is marked as read-only, then the ReadOnly property must be enabled before this method is called. If an application attempts to open a vault with a read-only storage file in read-write mode, this method returns an error.

Note: This method cannot be called when Active is true, and it cannot be called within events.

ResolveLink Method (CBVault Component)

This method retrieves the destination of a symbolic link.

Syntax

func (obj *CBVault) ResolveLink(LinkName string, Normalize bool) (string, error)

Remarks

This method retrieves the destination pointed to by the symbolic link specified by LinkName.

The value passed for LinkName must be a vault-local absolute path.

As the CreateLink method's documentation describes, symbolic links can be created with either relative or absolute vault-local paths. The Normalize parameter specifies whether the struct should normalize the specified link's destination before returning it. Passing true will ensure a vault-local absolute path is always returned; passing false will cause the original destination path to be returned.

Note: This method can be called only when Active is true.

SetFileAttributes Method (CBVault Component)

This method sets the attributes of a vault item.

Syntax

func (obj *CBVault) SetFileAttributes(FileName string, Attributes int32) error

Remarks

This method sets the attributes of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The Attributes parameter specifies the new attributes for the vault item, which should be constructed by ORing together one or more of the following values:

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileCompression Method (CBVault Component)

This method compresses or decompresses a file or alternate stream.

Syntax

func (obj *CBVault) SetFileCompression(FileName string, Compression int32, CompressionLevel int32, PagesPerBlock int32, Password string) error

Remarks

This method changes the compression mode used to compress the file or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The Compression parameter specifies the new compression mode to use. Valid values are as follows:

Applications that use custom compression must implement the DataCompress and DataDecompress events. Please refer to the Compression topic for more information.

The CompressionLevel parameter specifies the compression level to use, if applicable.

The PagesPerBlock parameter specifies how many pages should be compressed as a single block, if applicable. Valid values are powers of 2 up to and including 128 (i.e., 2, 4, 8, 16, 32, 64, or 128), or 0, which is interpreted as "default" (currently 16 for both zlib and run-length encoding [RLE]). Larger values allow for more efficient compression; however, because a block must be decompressed (and, for writes, recompressed) anytime its data are accessed, larger values can also cause excessive slowdown, especially for random access.

The Password parameter specifies the password to use to access the file's data, if it is encrypted.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileCreationTime Method (CBVault Component)

This method sets the creation time of a vault item.

Syntax

func (obj *CBVault) SetFileCreationTime(FileName string, CreationTime time.Time) error

Remarks

This method sets the creation time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The CreationTime parameter specifies the new creation time for the vault item, which must be specified in UTC.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileEncryption Method (CBVault Component)

This method encrypts, decrypts, or changes the encryption password of a file or alternate stream.

Syntax

func (obj *CBVault) SetFileEncryption(FileName string, Encryption int32, OldPassword string, NewPassword string) error

Remarks

This method changes the encryption mode or password used to encrypt the file or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The Encryption parameter specifies the new encryption mode to use. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

The OldPassword parameter specifies the current encryption password, if applicable.

The NewPassword parameter specifies the new encryption password to use, if applicable.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileLastAccessTime Method (CBVault Component)

This method sets the last access time of a vault item.

Syntax

func (obj *CBVault) SetFileLastAccessTime(FileName string, LastAccessTime time.Time) error

Remarks

This method sets the last access time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The LastAccessTime parameter specifies the new last access time for the vault item, which must be specified in UTC.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileModificationTime Method (CBVault Component)

This method sets the modification time of a vault item.

Syntax

func (obj *CBVault) SetFileModificationTime(FileName string, ModificationTime time.Time) error

Remarks

This method sets the modification time of the vault item (e.g., file, directory, symbolic link, or alternate stream) specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The ModificationTime parameter specifies the new modification time for the vault item, which must be specified in UTC.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileSize Method (CBVault Component)

This method sets the size of a file or alternate stream.

Syntax

func (obj *CBVault) SetFileSize(FileName string, Size int64, Password string) error

Remarks

This method sets the size of the file or alternate stream specified by FileName.

The value passed for FileName must be a vault-local absolute path.

The Size parameter specifies the new size of the file or alternate stream, which must be greater than or equal to 0.

Applications can also change the size of a file or alternate stream using the stream objects returned by the OpenFile and OpenFileEx methods.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTag Method (CBVault Component)

This method attaches a raw file tag with binary data to the specified vault item.

Syntax

func (obj *CBVault) SetFileTag(FileName string, TagId int32, Data []byte) error

Remarks

This method attaches a raw file tag with binary data to the vault item (e.g., file, directory, or alternate stream) specified by FileName using the specified TagId. If a raw file tag with the specified TagId is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagId must be in the range 0x0001 to 0xCFFF (inclusive).

The Data parameter specifies the raw binary data to store in the file tag; it may be up to 65531 bytes in length.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTagAsAnsiString Method (CBVault Component)

This method attaches an AnsiString-typed file tag to the specified vault item.

Syntax

func (obj *CBVault) SetFileTagAsAnsiString(FileName string, TagName string, Value string) error

Remarks

This method attaches an AnsiString-typed file tag to the vault item (e.g., file, directory, or alternate stream) specified by FileTag using the specified TagName. If a typed file tag with the specified TagName is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The Value parameter specifies the AnsiString value to store in the file tag; it may be up to 65529 - (name_length * 2) bytes in length (where name_length is measured in characters), including null terminators for both the AnsiString value and the name.

Please refer to the File Tags topic for more information.

Note: AnsiString file tag values are converted to UTF-16LE when referenced in a search query string. To reduce the chance of string-conversion-related issues, it is recommended that applications only store ASCII characters in AnsiString-typed file tags, and prefer String-typed file tags (created using SetFileTagAsString) in all other cases.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTagAsBoolean Method (CBVault Component)

This method attaches a Boolean-typed file tag to the specified vault item.

Syntax

func (obj *CBVault) SetFileTagAsBoolean(FileName string, TagName string, Value bool) error

Remarks

This method attaches a Boolean-typed file tag to the vault item (e.g., file, directory, or alternate stream) specified by FileTag using the specified TagName. If a typed file tag with the specified TagName is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The Value parameter specifies the Boolean value to store in the file tag.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTagAsDateTime Method (CBVault Component)

This method attaches a DateTime-typed file tag to the specified vault item.

Syntax

func (obj *CBVault) SetFileTagAsDateTime(FileName string, TagName string, Value time.Time) error

Remarks

This method attaches a DateTime-typed file tag to the vault item (e.g., file, directory, or alternate stream) specified by FileTag using the specified TagName. If a typed file tag with the specified TagName is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The Value parameter specifies the DateTime value to store in the file tag, which must be specified in UTC.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTagAsNumber Method (CBVault Component)

This method attaches a Number-typed file tag to the specified vault item.

Syntax

func (obj *CBVault) SetFileTagAsNumber(FileName string, TagName string, Value int64) error

Remarks

This method attaches a Number-typed file tag to the vault item (e.g., file, directory, or alternate stream) specified by FileTag using the specified TagName. If a typed file tag with the specified TagName is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The Value parameter specifies the Number value to store in the file tag.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

SetFileTagAsString Method (CBVault Component)

This method attaches a String-typed file tag to the specified vault item.

Syntax

func (obj *CBVault) SetFileTagAsString(FileName string, TagName string, Value string) error

Remarks

This method attaches a String-typed file tag to the vault item (e.g., file, directory, or alternate stream) specified by FileTag using the specified TagName. If a typed file tag with the specified TagName is already attached to the specified vault item, it is replaced.

The value passed for FileName must be a vault-local absolute path. The value passed for TagName may be up to 4095 characters in length (not including the null terminator).

The Value parameter specifies the UTF-16LE String value to store in the file tag; it may be up to 65529 - (name_length * 2) bytes in length (where name_length is measured in characters), including null terminators for both the String value and the name.

Please refer to the File Tags topic for more information.

Note: This method can be called only when Active is true, and it cannot be called within events.

UnixTimeToFileTime Method (CBVault Component)

This method converts the date/time in Unix format to the Windows FileTime format.

Syntax

func (obj *CBVault) UnixTimeToFileTime(UnixTime int64, Nanoseconds int32) (time.Time, error)

Remarks

Use this method to convert the date/time in Unix format to the Windows FileTime format.

Pass the Unix time value to UnixTime and optionally pass the subsecond part of the time, expressed in nanoseconds, to the Nanoseconds parameter. If the subsecond part of the time is not available, set Nanoseconds to zero (0) value.

UpdateVaultEncryption Method (CBVault Component)

This method encrypts, decrypts, or changes the encryption password of the vault.

Syntax

func (obj *CBVault) UpdateVaultEncryption(Encryption int32, OldPassword string, NewPassword string) error

Remarks

This method changes the encryption mode or password used to encrypt the vault.

The Encryption parameter specifies the new encryption mode to use. Valid values are as follows:

Applications that use custom encryption must implement at least the DataEncrypt and DataDecrypt events. Certain custom encryption modes may require that the HashCalculate or KeyDerive event be implemented as well. Please refer to the Encryption topic for more information.

The OldPassword parameter specifies the current encryption password, if applicable.

The NewPassword parameter specifies the new encryption password to use, if applicable.

Note: This method can be called only when Active is true, and it cannot be called within events.

DataCompress Event (CBVault Component)

This event fires to compress a block of data using a custom compression algorithm.

Syntax

// CBVaultDataCompressEventArgs carries the CBVault DataCompress event's parameters.
type CBVaultDataCompressEventArgs struct {...}

func (args *CBVaultDataCompressEventArgs) InData() []byte
func (args *CBVaultDataCompressEventArgs) InSize() int32
func (args *CBVaultDataCompressEventArgs) OutData() []byte
func (args *CBVaultDataCompressEventArgs) SetOutData(value []byte)

func (args *CBVaultDataCompressEventArgs) OutSize() int32
func (args *CBVaultDataCompressEventArgs) SetOutSize(value int32)

func (args *CBVaultDataCompressEventArgs) CompressionLevel() int32
func (args *CBVaultDataCompressEventArgs) ResultCode() int32
func (args *CBVaultDataCompressEventArgs) SetResultCode(value int32)

// CBVaultDataCompressEvent defines the signature of the CBVault DataCompress event's handler function.
type CBVaultDataCompressEvent func(sender *CBVault, args *CBVaultDataCompressEventArgs)

func (obj *CBVault) GetOnDataCompressHandler() CBVaultDataCompressEvent
func (obj *CBVault) SetOnDataCompressHandler(handlerFunc CBVaultDataCompressEvent)

Remarks

This event fires when the struct needs to compress a block of data using an application-defined compression algorithm. Please refer to the Compression topic for more information.

This event only needs to be handled by applications that use the VAULT_CM_CUSTOM compression mode. To handle this event properly, applications must compress all InSize bytes of data in the InData buffer, write the compressed data to the OutData buffer, and set OutSize to reflect the total number of bytes written to OutData.

Note: OutSize is initially set to the capacity of the OutData buffer. If the OutData buffer is not large enough to accommodate all of the data after compression (which, while uncommon, may occur with some compression algorithms), do not write any data to OutData. Instead, set ResultCode to VAULT_ERR_BUFFER_TOO_SMALL to inform the struct that the current block of data should remain uncompressed.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The CompressionLevel specifies the requested compression level. Possible values are 0 through 9; where 0 means "use the default compression level". Applications may ignore this value if it is not needed by their compression algorithm.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

DataDecompress Event (CBVault Component)

This event fires to decompress a block of data using a custom compression algorithm.

Syntax

// CBVaultDataDecompressEventArgs carries the CBVault DataDecompress event's parameters.
type CBVaultDataDecompressEventArgs struct {...}

func (args *CBVaultDataDecompressEventArgs) InData() []byte
func (args *CBVaultDataDecompressEventArgs) InSize() int32
func (args *CBVaultDataDecompressEventArgs) OutData() []byte
func (args *CBVaultDataDecompressEventArgs) SetOutData(value []byte)

func (args *CBVaultDataDecompressEventArgs) OutSize() int32
func (args *CBVaultDataDecompressEventArgs) SetOutSize(value int32)

func (args *CBVaultDataDecompressEventArgs) ResultCode() int32
func (args *CBVaultDataDecompressEventArgs) SetResultCode(value int32)

// CBVaultDataDecompressEvent defines the signature of the CBVault DataDecompress event's handler function.
type CBVaultDataDecompressEvent func(sender *CBVault, args *CBVaultDataDecompressEventArgs)

func (obj *CBVault) GetOnDataDecompressHandler() CBVaultDataDecompressEvent
func (obj *CBVault) SetOnDataDecompressHandler(handlerFunc CBVaultDataDecompressEvent)

Remarks

This event fires when the struct needs to decompress a block of data using an application-defined compression algorithm. Please refer to the Compression topic for more information.

This event only needs to be handled by applications that use the VAULT_CM_CUSTOM compression mode. To handle this event properly, applications must decompress all InSize bytes of data in the InData buffer, write the decompressed data to the OutData buffer, and set OutSize to reflect the total number of bytes written to OutData.

Note: OutSize is initially set to the capacity of the OutData buffer, which (under normal circumstances) should be large enough to accommodate all of the decompressed data. Only if the vault is corrupted should the OutData buffer ever be too small to hold the decompressed data; so if this occurs, do not write any data to OutData. Instead, set ResultCode to VAULT_ERR_VAULT_CORRUPTED.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

DataDecrypt Event (CBVault Component)

This event fires to decrypt a block of data using a custom encryption implementation.

Syntax

// CBVaultDataDecryptEventArgs carries the CBVault DataDecrypt event's parameters.
type CBVaultDataDecryptEventArgs struct {...}

func (args *CBVaultDataDecryptEventArgs) Key() []byte
func (args *CBVaultDataDecryptEventArgs) KeyLength() int32
func (args *CBVaultDataDecryptEventArgs) Salt1() []byte
func (args *CBVaultDataDecryptEventArgs) Salt1Size() int32
func (args *CBVaultDataDecryptEventArgs) Salt2() []byte
func (args *CBVaultDataDecryptEventArgs) Salt2Size() int32
func (args *CBVaultDataDecryptEventArgs) Data() []byte
func (args *CBVaultDataDecryptEventArgs) SetData(value []byte)

func (args *CBVaultDataDecryptEventArgs) DataSize() int32
func (args *CBVaultDataDecryptEventArgs) ResultCode() int32
func (args *CBVaultDataDecryptEventArgs) SetResultCode(value int32)

// CBVaultDataDecryptEvent defines the signature of the CBVault DataDecrypt event's handler function.
type CBVaultDataDecryptEvent func(sender *CBVault, args *CBVaultDataDecryptEventArgs)

func (obj *CBVault) GetOnDataDecryptHandler() CBVaultDataDecryptEvent
func (obj *CBVault) SetOnDataDecryptHandler(handlerFunc CBVaultDataDecryptEvent)

Remarks

This event fires when the struct needs to decrypt a block of data using an application-defined encryption implementation. Please refer to the Encryption topic for more information.

This event only needs to be handled by applications that use one of the VAULT_EM_CUSTOM* encryption modes. To handle this event properly, applications must decrypt all DataSize bytes of data in the Data buffer. After decrypting the data, applications must write it back to the Data buffer. The size of the decrypted data must match DataSize, which is always a multiple of 32.

The Key buffer contains the encryption key (e.g., password) specified for the file, alternate stream, or vault whose data are being decrypted. The KeyLength parameter specifies the length, in bytes, of Key.

The Salt1 and Salt2 buffers contain the same salt values provided when the data were encrypted in an earlier DataEncrypt event. The Salt1Size and Salt2Size parameters specify the length, in bytes, of Salt1 and Salt2.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

DataEncrypt Event (CBVault Component)

This event fires to encrypt a block of data using a custom encryption implementation.

Syntax

// CBVaultDataEncryptEventArgs carries the CBVault DataEncrypt event's parameters.
type CBVaultDataEncryptEventArgs struct {...}

func (args *CBVaultDataEncryptEventArgs) Key() []byte
func (args *CBVaultDataEncryptEventArgs) KeyLength() int32
func (args *CBVaultDataEncryptEventArgs) Salt1() []byte
func (args *CBVaultDataEncryptEventArgs) Salt1Size() int32
func (args *CBVaultDataEncryptEventArgs) Salt2() []byte
func (args *CBVaultDataEncryptEventArgs) Salt2Size() int32
func (args *CBVaultDataEncryptEventArgs) Data() []byte
func (args *CBVaultDataEncryptEventArgs) SetData(value []byte)

func (args *CBVaultDataEncryptEventArgs) DataSize() int32
func (args *CBVaultDataEncryptEventArgs) ResultCode() int32
func (args *CBVaultDataEncryptEventArgs) SetResultCode(value int32)

// CBVaultDataEncryptEvent defines the signature of the CBVault DataEncrypt event's handler function.
type CBVaultDataEncryptEvent func(sender *CBVault, args *CBVaultDataEncryptEventArgs)

func (obj *CBVault) GetOnDataEncryptHandler() CBVaultDataEncryptEvent
func (obj *CBVault) SetOnDataEncryptHandler(handlerFunc CBVaultDataEncryptEvent)

Remarks

This event fires when the struct needs to encrypt a block of data using an application-defined encryption implementation. Please refer to the Encryption topic for more information.

This event only needs to be handled by applications that use one of the VAULT_EM_CUSTOM* encryption modes. To handle this event properly, applications must encrypt all DataSize bytes of data in the Data buffer. After encrypting the data, applications must write it back to the Data buffer. The size of the encrypted data must match DataSize, which is always a multiple of 32.

The Key buffer contains the encryption key (e.g., password) specified for the file, alternate stream, or vault whose data are being decrypted. The KeyLength parameter specifies the length, in bytes, of Key.

The Salt1 and Salt2 buffers contain salt values that can be used to strengthen encryption, if desired. The Salt1Size and Salt2Size parameters specify the length, in bytes, of Salt1 and Salt2.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

Error Event (CBVault Component)

This event fires if an unhandled error occurs during an event.

Syntax

// CBVaultErrorEventArgs carries the CBVault Error event's parameters.
type CBVaultErrorEventArgs struct {...}

func (args *CBVaultErrorEventArgs) ErrorCode() int32
func (args *CBVaultErrorEventArgs) Description() string
// CBVaultErrorEvent defines the signature of the CBVault Error event's handler function.
type CBVaultErrorEvent func(sender *CBVault, args *CBVaultErrorEventArgs)

func (obj *CBVault) GetOnErrorHandler() CBVaultErrorEvent
func (obj *CBVault) SetOnErrorHandler(handlerFunc CBVaultErrorEvent)

Remarks

This event fires if an unhandled error occurs during another event. Developers can use this information to track down unhandled errors in an application's event handlers.

FileAfterCopy Event (CBVault Component)

This event fires after the file has been copied during file export/import operations.

Syntax

// CBVaultFileAfterCopyEventArgs carries the CBVault FileAfterCopy event's parameters.
type CBVaultFileAfterCopyEventArgs struct {...}

func (args *CBVaultFileAfterCopyEventArgs) SourcePath() string
func (args *CBVaultFileAfterCopyEventArgs) DestinationPath() string
func (args *CBVaultFileAfterCopyEventArgs) Attributes() int32
func (args *CBVaultFileAfterCopyEventArgs) ResultCode() int32
func (args *CBVaultFileAfterCopyEventArgs) SetResultCode(value int32)

// CBVaultFileAfterCopyEvent defines the signature of the CBVault FileAfterCopy event's handler function.
type CBVaultFileAfterCopyEvent func(sender *CBVault, args *CBVaultFileAfterCopyEventArgs)

func (obj *CBVault) GetOnFileAfterCopyHandler() CBVaultFileAfterCopyEvent
func (obj *CBVault) SetOnFileAfterCopyHandler(handlerFunc CBVaultFileAfterCopyEvent)

Remarks

This event fires when the struct is executing the CopyToVault or CopyFromVault method after the file specified by SourcePath has been copied to a file identified by DestinationPath.

For a directory, the event fires after the directory identified by SourcePath has been created as DestinationPath and all of the source directory's contents have been processed.

The event will fire only if the VAULT_CFF_FIRE_COPY_EVENTS flag is included in the Flags parameter of the CopyFromVault or CopyToVault method. Also, the event will not fire for the base directory that was passed to the CopyToVault or CopyFromVault method.

A process may check whether it was a file or directory copied by inspecting the value of the Attributes parameter, which contains the attributes of the file as a 32-bit integer. The attributes are composed of one or more of the following values:

To cancel further copying, return the VAULT_ERR_INTERRUPTED_BY_USER error code via ResultCode.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

FileBeforeCopy Event (CBVault Component)

This event fires before the file is copied during file export/import operations.

Syntax

// CBVaultFileBeforeCopyEventArgs carries the CBVault FileBeforeCopy event's parameters.
type CBVaultFileBeforeCopyEventArgs struct {...}

func (args *CBVaultFileBeforeCopyEventArgs) SourcePath() string
func (args *CBVaultFileBeforeCopyEventArgs) DestinationPath() string
func (args *CBVaultFileBeforeCopyEventArgs) Attributes() int32
func (args *CBVaultFileBeforeCopyEventArgs) SetAttributes(value int32)

func (args *CBVaultFileBeforeCopyEventArgs) DestinationExists() bool
func (args *CBVaultFileBeforeCopyEventArgs) Skip() bool
func (args *CBVaultFileBeforeCopyEventArgs) SetSkip(value bool)

func (args *CBVaultFileBeforeCopyEventArgs) ResultCode() int32
func (args *CBVaultFileBeforeCopyEventArgs) SetResultCode(value int32)

// CBVaultFileBeforeCopyEvent defines the signature of the CBVault FileBeforeCopy event's handler function.
type CBVaultFileBeforeCopyEvent func(sender *CBVault, args *CBVaultFileBeforeCopyEventArgs)

func (obj *CBVault) GetOnFileBeforeCopyHandler() CBVaultFileBeforeCopyEvent
func (obj *CBVault) SetOnFileBeforeCopyHandler(handlerFunc CBVaultFileBeforeCopyEvent)

Remarks

This event fires when the struct is executing the CopyToVault or CopyFromVault method before the file specified by SourcePath is copied to a file identified by DestinationPath or before the directory identified by SourcePath is about to be created as DestinationPath.

This event will fire only if the VAULT_CFF_FIRE_COPY_EVENTS flag is included in the Flags parameter of the CopyFromVault or CopyToVault method. Also, the event will not fire for the base directory that was passed to the CopyToVault or CopyFromVault method.

A process may check whether it is a file or a directory being copied by inspecting the value of the Attributes parameter, which contains the attributes of the file as a 32-bit integer. The attributes are composed of one or more of the following values:

An event handler may change the following attributes: VAULT_FATTR_READONLY, VAULT_FATTR_ARCHIVE, VAULT_FATTR_HIDDEN, VAULT_FATTR_SYSTEM, VAULT_FATTR_TEMPORARY. When files are imported to the vault, an event handler may set user-defined flags that match the VAULT_FATTR_USER_DEFINED mask.

The DestinationExists flag indicates the presence of the file or directory at the moment when the event is fired.

Note: When copying the files from the vault, it is possible that a file gets created or deleted outside of the struct; the value of this parameter may become inaccurate.

To skip the file, set the Skip parameter to true. When the file is skipped, FileAfterCopy does not fire.

To cancel copying, return the VAULT_ERR_INTERRUPTED_BY_USER error code via ResultCode.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

FilePasswordNeeded Event (CBVault Component)

This event fires if a password is needed to open an encrypted file.

Syntax

// CBVaultFilePasswordNeededEventArgs carries the CBVault FilePasswordNeeded event's parameters.
type CBVaultFilePasswordNeededEventArgs struct {...}

func (args *CBVaultFilePasswordNeededEventArgs) FileName() string
func (args *CBVaultFilePasswordNeededEventArgs) Password() string
func (args *CBVaultFilePasswordNeededEventArgs) SetPassword(value string)

func (args *CBVaultFilePasswordNeededEventArgs) TTLInCache() int32
func (args *CBVaultFilePasswordNeededEventArgs) SetTTLInCache(value int32)

func (args *CBVaultFilePasswordNeededEventArgs) ResultCode() int32
func (args *CBVaultFilePasswordNeededEventArgs) SetResultCode(value int32)

// CBVaultFilePasswordNeededEvent defines the signature of the CBVault FilePasswordNeeded event's handler function.
type CBVaultFilePasswordNeededEvent func(sender *CBVault, args *CBVaultFilePasswordNeededEventArgs)

func (obj *CBVault) GetOnFilePasswordNeededHandler() CBVaultFilePasswordNeededEvent
func (obj *CBVault) SetOnFilePasswordNeededHandler(handlerFunc CBVaultFilePasswordNeededEvent)

Remarks

This event fires when the encrypted file specified by FileName is being opened if a valid password has not been provided (either directly, or via the DefaultFileAccessPassword property or CacheFilePassword method). This event will not fire if a valid password has already been provided, or if the file specified by FileName does not exist in the vault.

To allow access to the specified file, set the Password parameter to the correct password.

If an invalid password is provided by the event handler, the event will fire again.

To prevent access to the specified file or to stop being asked for a password in a loop, return the VAULT_ERR_INVALID_PASSWORD error code via ResultCode.

The TTLInCache parameter specifies time to seconds that the struct keeps the password in the internal cache to reduce the number of requests for a password. The value of 0 tells the struct to discard the password after the first use.

Note: This event can be fired on different threads, and possibly even on several threads concurrently. As an alternative to handling this event, applications can provide a default file encryption password using the DefaultFileAccessPassword property or can call the CacheFilePassword method (before a file is opened) to specify a one-time-use password.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

HashCalculate Event (CBVault Component)

This event fires to calculate a password hash using a custom hashing implementation.

Syntax

// CBVaultHashCalculateEventArgs carries the CBVault HashCalculate event's parameters.
type CBVaultHashCalculateEventArgs struct {...}

func (args *CBVaultHashCalculateEventArgs) Password() []byte
func (args *CBVaultHashCalculateEventArgs) PasswordSize() int32
func (args *CBVaultHashCalculateEventArgs) Salt() []byte
func (args *CBVaultHashCalculateEventArgs) SaltSize() int32
func (args *CBVaultHashCalculateEventArgs) Hash() []byte
func (args *CBVaultHashCalculateEventArgs) SetHash(value []byte)

func (args *CBVaultHashCalculateEventArgs) HashSize() int32
func (args *CBVaultHashCalculateEventArgs) ResultCode() int32
func (args *CBVaultHashCalculateEventArgs) SetResultCode(value int32)

// CBVaultHashCalculateEvent defines the signature of the CBVault HashCalculate event's handler function.
type CBVaultHashCalculateEvent func(sender *CBVault, args *CBVaultHashCalculateEventArgs)

func (obj *CBVault) GetOnHashCalculateHandler() CBVaultHashCalculateEvent
func (obj *CBVault) SetOnHashCalculateHandler(handlerFunc CBVaultHashCalculateEvent)

Remarks

This event fires when the struct needs to calculate a password hash using an application-defined hashing implementation. The calculated hash is used to check the password's validity before using it for encryption. Please refer to the Encryption topic for more information.

This event needs to be handled only by applications that use one of the VAULT_EM_CUSTOM*_DIRECT_KEY encryption modes. To handle this event property, applications must calculate a hash of the data in the Password buffer (whose length, in bytes, is specified by PasswordSize). The calculated hash must be written to the Hash buffer. The size of the calculated hash must not exceed HashSize.

Applications may perform, if desired, their own password validation and return a predefined value for the hash. Applications should not use the same process for key derivation and hash calculation (or should, at the very least, ensure that Salt is used in both operations).

The Salt buffer contains a salt value that can be used (if desired) to strengthen security by increasing the uniqueness of the hash. The SaltSize parameter specifies the length, in bytes, of Salt.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

KeyDerive Event (CBVault Component)

This event fires to derive an encryption key using a custom key derivation implementation.

Syntax

// CBVaultKeyDeriveEventArgs carries the CBVault KeyDerive event's parameters.
type CBVaultKeyDeriveEventArgs struct {...}

func (args *CBVaultKeyDeriveEventArgs) Password() []byte
func (args *CBVaultKeyDeriveEventArgs) PasswordSize() int32
func (args *CBVaultKeyDeriveEventArgs) Salt() []byte
func (args *CBVaultKeyDeriveEventArgs) SaltSize() int32
func (args *CBVaultKeyDeriveEventArgs) Key() []byte
func (args *CBVaultKeyDeriveEventArgs) SetKey(value []byte)

func (args *CBVaultKeyDeriveEventArgs) KeySize() int32
func (args *CBVaultKeyDeriveEventArgs) ResultCode() int32
func (args *CBVaultKeyDeriveEventArgs) SetResultCode(value int32)

// CBVaultKeyDeriveEvent defines the signature of the CBVault KeyDerive event's handler function.
type CBVaultKeyDeriveEvent func(sender *CBVault, args *CBVaultKeyDeriveEventArgs)

func (obj *CBVault) GetOnKeyDeriveHandler() CBVaultKeyDeriveEvent
func (obj *CBVault) SetOnKeyDeriveHandler(handlerFunc CBVaultKeyDeriveEvent)

Remarks

This event fires when the struct needs to derive an encryption key using an application-defined key derivation implementation. Please refer to the Encryption topic for more information.

This event needs to be handled only by applications that use one of the VAULT_EM_CUSTOM*_CUSTOM_KEY_DERIVE encryption modes. To handle this event properly, applications must derive an encryption key from the data in the Password buffer (whose length, in bytes, is specified by PasswordSize). The derived encryption key must be written to the Key buffer. The size of the derived encryption key must not exceed KeySize.

Applications should not use the same process for key derivation and hash calculation (or should, at the very least, ensure that Salt is used in both operations).

The Salt buffer contains a salt value that can be used (if desired) to strengthen security by increasing the uniqueness of the derived key. The SaltSize parameter specifies the length, in bytes, of Salt.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

Progress Event (CBVault Component)

This event fires to indicate the progress of long-running vault operations.

Syntax

// CBVaultProgressEventArgs carries the CBVault Progress event's parameters.
type CBVaultProgressEventArgs struct {...}

func (args *CBVaultProgressEventArgs) Operation() int32
func (args *CBVaultProgressEventArgs) FileName() string
func (args *CBVaultProgressEventArgs) Progress() int32
func (args *CBVaultProgressEventArgs) Total() int32
func (args *CBVaultProgressEventArgs) CanStop() bool
func (args *CBVaultProgressEventArgs) Stop() bool
func (args *CBVaultProgressEventArgs) SetStop(value bool)

// CBVaultProgressEvent defines the signature of the CBVault Progress event's handler function.
type CBVaultProgressEvent func(sender *CBVault, args *CBVaultProgressEventArgs)

func (obj *CBVault) GetOnProgressHandler() CBVaultProgressEvent
func (obj *CBVault) SetOnProgressHandler(handlerFunc CBVaultProgressEvent)

Remarks

This event fires anytime the struct needs to report the progress of a long-running vault operation. Certain operations may cause this event to fire repeatedly.

The Operation parameter specifies which long-running operation caused this event to fire. Possible values are as follows:

When the operation is copying files from or to the vault, FileName contains the path of the source file being copied.

The Progress and Total parameters reflect the current and maximum progress values. Both will be 0 if the operation's progression cannot be determined.

The CanStop parameter indicates whether the application may interrupt the operation by setting the Stop parameter to true.

Note: Some operations can be interrupted only at certain points over the course of their lifetime.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultClose Event (CBVault Component)

This event fires to close a callback mode vault.

Syntax

// CBVaultVaultCloseEventArgs carries the CBVault VaultClose event's parameters.
type CBVaultVaultCloseEventArgs struct {...}

func (args *CBVaultVaultCloseEventArgs) VaultHandle() int64
func (args *CBVaultVaultCloseEventArgs) ResultCode() int32
func (args *CBVaultVaultCloseEventArgs) SetResultCode(value int32)

// CBVaultVaultCloseEvent defines the signature of the CBVault VaultClose event's handler function.
type CBVaultVaultCloseEvent func(sender *CBVault, args *CBVaultVaultCloseEventArgs)

func (obj *CBVault) GetOnVaultCloseHandler() CBVaultVaultCloseEvent
func (obj *CBVault) SetOnVaultCloseHandler(handlerFunc CBVaultVaultCloseEvent)

Remarks

This event fires when the struct needs to close the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must close the vault specified by VaultHandle and invalidate the handle itself.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultDelete Event (CBVault Component)

This event fires to delete a callback mode vault.

Syntax

// CBVaultVaultDeleteEventArgs carries the CBVault VaultDelete event's parameters.
type CBVaultVaultDeleteEventArgs struct {...}

func (args *CBVaultVaultDeleteEventArgs) Vault() string
func (args *CBVaultVaultDeleteEventArgs) ResultCode() int32
func (args *CBVaultVaultDeleteEventArgs) SetResultCode(value int32)

// CBVaultVaultDeleteEvent defines the signature of the CBVault VaultDelete event's handler function.
type CBVaultVaultDeleteEvent func(sender *CBVault, args *CBVaultVaultDeleteEventArgs)

func (obj *CBVault) GetOnVaultDeleteHandler() CBVaultVaultDeleteEvent
func (obj *CBVault) SetOnVaultDeleteHandler(handlerFunc CBVaultVaultDeleteEvent)

Remarks

This event fires when the struct needs to delete the callback mode vault identified by Vault.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must delete the vault identified by Vault.

The Vault parameter contains an application-defined vault identifier (e.g., name, file path). The value of this parameter will always match the current value of the VaultFile property.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultFlush Event (CBVault Component)

This event fires to flush a callback mode vault's data out to storage.

Syntax

// CBVaultVaultFlushEventArgs carries the CBVault VaultFlush event's parameters.
type CBVaultVaultFlushEventArgs struct {...}

func (args *CBVaultVaultFlushEventArgs) VaultHandle() int64
func (args *CBVaultVaultFlushEventArgs) ResultCode() int32
func (args *CBVaultVaultFlushEventArgs) SetResultCode(value int32)

// CBVaultVaultFlushEvent defines the signature of the CBVault VaultFlush event's handler function.
type CBVaultVaultFlushEvent func(sender *CBVault, args *CBVaultVaultFlushEventArgs)

func (obj *CBVault) GetOnVaultFlushHandler() CBVaultVaultFlushEvent
func (obj *CBVault) SetOnVaultFlushHandler(handlerFunc CBVaultVaultFlushEvent)

Remarks

This event fires when the struct needs to flush the data of the callback mode vault specified by VaultHandle out to storage.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must flush all data currently buffered for the vault specified by VaultHandle out to storage. For example, if the application is storing vault data in a file on disk, it could call FlushFileBuffers() on Windows.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultGetParentSize Event (CBVault Component)

This event fires to determine how much free space is available for growing a callback mode vault.

Syntax

// CBVaultVaultGetParentSizeEventArgs carries the CBVault VaultGetParentSize event's parameters.
type CBVaultVaultGetParentSizeEventArgs struct {...}

func (args *CBVaultVaultGetParentSizeEventArgs) Vault() string
func (args *CBVaultVaultGetParentSizeEventArgs) VaultHandle() int64
func (args *CBVaultVaultGetParentSizeEventArgs) FreeSpace() int64
func (args *CBVaultVaultGetParentSizeEventArgs) SetFreeSpace(value int64)

func (args *CBVaultVaultGetParentSizeEventArgs) ResultCode() int32
func (args *CBVaultVaultGetParentSizeEventArgs) SetResultCode(value int32)

// CBVaultVaultGetParentSizeEvent defines the signature of the CBVault VaultGetParentSize event's handler function.
type CBVaultVaultGetParentSizeEvent func(sender *CBVault, args *CBVaultVaultGetParentSizeEventArgs)

func (obj *CBVault) GetOnVaultGetParentSizeHandler() CBVaultVaultGetParentSizeEvent
func (obj *CBVault) SetOnVaultGetParentSizeHandler(handlerFunc CBVaultVaultGetParentSizeEvent)

Remarks

This event fires when the struct needs to determine how much free space is available for growing the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must set FreeSpace to indicate how many bytes of free space are available in the "parent storage" of the vault specified by VaultHandle. For example:

• If the vault is stored in a file, return the amount of free space on the associated disk.
• If the vault is stored in memory, return the amount of memory available to the application (keeping in mind any other memory needs the application may have).
• If the vault is stored on some remote system, query it to determine how much free space is available.

The Vault parameter contains an application-defined vault identifier (e.g., name, file path). The value of this parameter will always match the current value of the VaultFile property.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultGetSize Event (CBVault Component)

This event fires to determine the size of a callback mode vault.

Syntax

// CBVaultVaultGetSizeEventArgs carries the CBVault VaultGetSize event's parameters.
type CBVaultVaultGetSizeEventArgs struct {...}

func (args *CBVaultVaultGetSizeEventArgs) VaultHandle() int64
func (args *CBVaultVaultGetSizeEventArgs) Size() int64
func (args *CBVaultVaultGetSizeEventArgs) SetSize(value int64)

func (args *CBVaultVaultGetSizeEventArgs) ResultCode() int32
func (args *CBVaultVaultGetSizeEventArgs) SetResultCode(value int32)

// CBVaultVaultGetSizeEvent defines the signature of the CBVault VaultGetSize event's handler function.
type CBVaultVaultGetSizeEvent func(sender *CBVault, args *CBVaultVaultGetSizeEventArgs)

func (obj *CBVault) GetOnVaultGetSizeHandler() CBVaultVaultGetSizeEvent
func (obj *CBVault) SetOnVaultGetSizeHandler(handlerFunc CBVaultVaultGetSizeEvent)

Remarks

This event fires when the struct needs to determine the size of the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must set Size to indicate the size, in bytes, of the vault specified by VaultHandle.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultOpen Event (CBVault Component)

This event fires to open a new or existing callback mode vault.

Syntax

// CBVaultVaultOpenEventArgs carries the CBVault VaultOpen event's parameters.
type CBVaultVaultOpenEventArgs struct {...}

func (args *CBVaultVaultOpenEventArgs) Vault() string
func (args *CBVaultVaultOpenEventArgs) VaultHandle() int64
func (args *CBVaultVaultOpenEventArgs) SetVaultHandle(value int64)

func (args *CBVaultVaultOpenEventArgs) OpenMode() int32
func (args *CBVaultVaultOpenEventArgs) ReadOnly() bool
func (args *CBVaultVaultOpenEventArgs) SetReadOnly(value bool)

func (args *CBVaultVaultOpenEventArgs) ResultCode() int32
func (args *CBVaultVaultOpenEventArgs) SetResultCode(value int32)

// CBVaultVaultOpenEvent defines the signature of the CBVault VaultOpen event's handler function.
type CBVaultVaultOpenEvent func(sender *CBVault, args *CBVaultVaultOpenEventArgs)

func (obj *CBVault) GetOnVaultOpenHandler() CBVaultVaultOpenEvent
func (obj *CBVault) SetOnVaultOpenHandler(handlerFunc CBVaultVaultOpenEvent)

Remarks

This event fires when the struct wants to open the callback mode vault identified by Vault.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must open the vault identified by Vault, creating it if necessary based on the specified OpenMode, and return any associated information in VaultHandle.

If the ReadOnly parameter is initially true, the application must open the vault in read-only mode. If ReadOnly is initially false, the application may choose whether to open the vault in read-only or read-write mode. It should update the ReadOnly parameter accordingly, if necessary.

If, for any reason, the vault cannot be opened in a manner consistent with the specified OpenMode, the application must return an appropriate error code via ResultCode.

The Vault parameter contains an application-defined vault identifier (e.g., name, file path). The value of this parameter will always match the current value of the VaultFile property.

The VaultHandle parameter is used to return some application-defined handle that uniquely identifies the opened vault. The struct uses the returned handle to populate the VaultHandle parameters of the other Vault* events fired for the vault later.

The OpenMode parameter specifies what behavior to use when opening the vault. Valid values are as follows:

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultRead Event (CBVault Component)

This event fires to read data from a callback mode vault.

Syntax

// CBVaultVaultReadEventArgs carries the CBVault VaultRead event's parameters.
type CBVaultVaultReadEventArgs struct {...}

func (args *CBVaultVaultReadEventArgs) VaultHandle() int64
func (args *CBVaultVaultReadEventArgs) Offset() int64
func (args *CBVaultVaultReadEventArgs) Buffer() []byte
func (args *CBVaultVaultReadEventArgs) SetBuffer(value []byte)

func (args *CBVaultVaultReadEventArgs) Count() int32
func (args *CBVaultVaultReadEventArgs) ResultCode() int32
func (args *CBVaultVaultReadEventArgs) SetResultCode(value int32)

// CBVaultVaultReadEvent defines the signature of the CBVault VaultRead event's handler function.
type CBVaultVaultReadEvent func(sender *CBVault, args *CBVaultVaultReadEventArgs)

func (obj *CBVault) GetOnVaultReadHandler() CBVaultVaultReadEvent
func (obj *CBVault) SetOnVaultReadHandler(handlerFunc CBVaultVaultReadEvent)

Remarks

This event fires when the struct needs to read data from the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must read Count bytes of data from the vault specified by VaultHandle into Buffer, starting at the specified Offset in the vault.

Count is always a multiple of the vault's PageSize. If, for any reason, an application cannot read exactly Count bytes of data from the vault, it must return an appropriate error code via ResultCode.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultSetSize Event (CBVault Component)

This event fires to resize a callback mode vault.

Syntax

// CBVaultVaultSetSizeEventArgs carries the CBVault VaultSetSize event's parameters.
type CBVaultVaultSetSizeEventArgs struct {...}

func (args *CBVaultVaultSetSizeEventArgs) VaultHandle() int64
func (args *CBVaultVaultSetSizeEventArgs) NewSize() int64
func (args *CBVaultVaultSetSizeEventArgs) ResultCode() int32
func (args *CBVaultVaultSetSizeEventArgs) SetResultCode(value int32)

// CBVaultVaultSetSizeEvent defines the signature of the CBVault VaultSetSize event's handler function.
type CBVaultVaultSetSizeEvent func(sender *CBVault, args *CBVaultVaultSetSizeEventArgs)

func (obj *CBVault) GetOnVaultSetSizeHandler() CBVaultVaultSetSizeEvent
func (obj *CBVault) SetOnVaultSetSizeHandler(handlerFunc CBVaultVaultSetSizeEvent)

Remarks

This event fires when the struct needs to resize the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must grow or shrink the vault specified by VaultHandle to reach the specified NewSize. When growing a vault, applications do not need to sanitize newly allocated space.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

VaultWrite Event (CBVault Component)

This event fires to write data to a callback mode vault.

Syntax

// CBVaultVaultWriteEventArgs carries the CBVault VaultWrite event's parameters.
type CBVaultVaultWriteEventArgs struct {...}

func (args *CBVaultVaultWriteEventArgs) VaultHandle() int64
func (args *CBVaultVaultWriteEventArgs) Offset() int64
func (args *CBVaultVaultWriteEventArgs) Buffer() []byte
func (args *CBVaultVaultWriteEventArgs) Count() int32
func (args *CBVaultVaultWriteEventArgs) ResultCode() int32
func (args *CBVaultVaultWriteEventArgs) SetResultCode(value int32)

// CBVaultVaultWriteEvent defines the signature of the CBVault VaultWrite event's handler function.
type CBVaultVaultWriteEvent func(sender *CBVault, args *CBVaultVaultWriteEventArgs)

func (obj *CBVault) GetOnVaultWriteHandler() CBVaultVaultWriteEvent
func (obj *CBVault) SetOnVaultWriteHandler(handlerFunc CBVaultVaultWriteEvent)

Remarks

This event fires when the struct needs to write data to the callback mode vault specified by VaultHandle.

This event needs to be handled only if the CallbackMode property is enabled; please refer to the Callback Mode topic for more information. To handle this event properly, applications must write Count bytes of data from Buffer to the vault specified by VaultHandle, starting at the specified Offset in the vault.

Count is always a multiple of the vault's PageSize. If, for any reason, an application cannot write exactly Count bytes of data to the vault, it must return an appropriate error code via ResultCode.

Please see the Buffer Parameters topic for more information on how to work with memory buffer event parameters.

The VaultHandle parameter contains an application-defined information, associated with an open callback mode vault, as returned by the application in an earlier VaultOpen event.

The ResultCode parameter will always be 0 when the event is fired. If the event cannot be handled in a "successful" manner for some reason (e.g., a resource is not available or security checks failed), set it to a nonzero value to report an appropriate error. Please see the Error Handling topic for more information.

Note: An application should not attempt to call struct's methods from handlers of this event. Doing this is guaranteed to cause a deadlock.

CBFSVaultStream Type

Syntax

cbfsvault.CBFSVaultStream

Remarks

The CBFSVaultStream type is returned by some of the CBVault component's methods. All stream types in CBFS Vault share a common API, which implements multiple interfaces from Go's io package, documented below.

func (obj *CBFSVaultStream) GetLength() (int64, error)
func (obj *CBFSVaultStream) SetLength(value int64) error

func (obj *CBFSVaultStream) GetPosition() (int64, error)
func (obj *CBFSVaultStream) SetPosition(value int64) error

func (obj *CBFSVaultStream) Close() error

func (obj *CBFSVaultStream) Flush() error

func (obj *CBFSVaultStream) Read(p []byte) (n int, err error)

func (obj *CBFSVaultStream) ReadByte() (byte, error)

func (obj *CBFSVaultStream) Seek(offset int64, whence int) (int64, error)

func (obj *CBFSVaultStream) Write(p []byte) (n int, err error)

func (obj *CBFSVaultStream) WriteByte(c byte) error

Config Settings (CBVault Component)

CBVault Config Settings

Trappable Errors (CBVault Component)

CBVault Errors