FTPClient Module
Properties Methods Events Config Settings Errors
The FTPClient module provides client-side functionality for FTP and FTPS protocols.
Syntax
SecureBlackbox.Ftpclient
Remarks
FTPClient provides client-side support for the FTP (File Transfer Protocol) and FTPS (FTP-over-SSL) protocols. The FTPS protocol allows you to securely perform file transfer operations with a remote server over Transport Layer Security (TLS).
Note: TLS is a successor to the now deprecated SSL protocol, although the latter abbreviation is still widely used.
FTPClient is typically used in the following scenario:
- Setting up the connection parameters
- Connecting to the server and signing in
- Performing file transfer operations
- Closing the connection
Setting up the parameters
When working with FTP or FTP-over-TLS service you will often need to tune up several classes of settings:- Login credentials: these can be tuned up via the Username and Password properties.
- TLS settings: these includes the TLS mode: explicit, implicit, or no TLS. You must get this setting right; otherwise you may not be able to connect. Use TLSSettings property to adjust this setting.
- If your server requires you to authenticate with a certificate, you can provide one via the ClientChain property.
- FTPClient validates the server certificate against the local security settings. If your server uses a custom or non-public PKI, you may need to provide the required trust anchors and CA certificates via the TrustedCertificates and KnownCertificates collections.
- FTP protocol includes its own set of settings, such as PassiveMode, EncryptDataChannel, or AdjustPasvAddress. These may be configured on this stage, or later into the connection.
- In some network environments, you may also need to make adjustments to SocketSettings and Proxy.
Connecting to the server and signing in
Call Connect to open the connection to the server. The component will use the provided credentials to sign you in automatically.Performing file transfer operations
FTPClient offers the full set of FTP operations. These include file uploads (UploadFile or UploadBytes), file downloads (DownloadFile, DownloadBytes), and directory operations (ListDir, MakeDir).Note that unlike SFTP, FTP only supports one transfer operation at a time. An ongoing operation should be completed or aborted before a new one can be started.
Closing the connection
Use Disconnect to close the FTP connection.Useful info
During its work FTPClient communicates back via events. Progress event fires periodically during the transfer operation to let you know of the operation progress. ControlSend and ControlReceive report the protocol communication log. FileOperation and FileOperationResult report the start and completion of an individual transfer operation within a multi-file transfer call (such as UploadFiles).Property List
The following is the full list of the properties of the module with short descriptions. Click on the links for further details.
AccountInfo | Parameters for the ACCT command. |
AdjustPasvAddress | Enables or disables automatic adjustment of passive-mode addresses. |
BlockedCertificates | The certificates that must be rejected as trust anchors. |
ClientChain | The TLS client certificate chain. |
Connected | Indicates whether the module is connected to the server. |
ControlChannelLog | Contains the control channel log of the FTP session. |
ControlConnectionInfo | Returns the details of the control connection setup. |
CurrentListEntry | Contains the details of the file entry reported by ListEntry . |
DataConnectionInfo | Returns the details of the data connection setup. |
EncryptDataChannel | Enables or disables data channel encryption. |
ExternalCrypto | Provides access to external signing and DC parameters. |
FIPSMode | Reserved. |
KnownCertificates | Additional certificates for chain validation. |
KnownCRLs | Additional CRLs for chain validation. |
KnownOCSPs | Additional OCSP responses for chain validation. |
ModeZ | Switches on data compression. |
PassiveMode | Enables or disables passive transfer mode. |
Password | The connecting user's authentication password. |
Proxy | The proxy server settings. |
RestartAt | The offset to restart the file transfer from. |
ServerChain | The TLS server's certificate chain. |
SocketSettings | Manages network connection settings. |
TLSSettings | Manages TLS layer settings. |
TransferType | Sets the file transfer mode. |
TrustedCertificates | A list of trusted certificates for chain validation. |
Username | The connecting user's username (login name). |
Method List
The following is the full list of the methods of the module with short descriptions. Click on the links for further details.
Abort | Aborts the previous FTP service command and any associated transfer of data. |
Acct | Sends an Account command. |
AppendBytes | Appends a byte array to a server-side file. |
AppendFile | Uploads a file to the server. |
ChangeDir | Changes the current directory. |
ClearCommandChannel | Sends CCC (Clear Command Channel) command to the server. |
Config | Sets or retrieves a configuration setting. |
Connect | Connects to the FTP server. |
DeleteDir | Deletes a directory on the server. |
DeleteFile | Deletes a file on the server. |
DirExists | Checks if a directory exists on the server. |
Disconnect | Disconnects from the server. |
DoAction | Performs an additional action. |
DownloadBytes | Downloads a file from the server into an array of bytes. |
DownloadFile | Downloads a file from the server. |
DownloadFiles | Downloads multiple files from the server. |
FileExists | Checks if a file exists on the server. |
GetCurrentDir | Returns the server-side current directory. |
GetFileSize | Returns the size of a remote file. |
ListDir | Lists the contents of a remote directory. |
MakeDir | Creates a new directory on the server. |
Noop | Sends a NOOP command to the server. |
Rename | Renames a file. |
SendCommand | Sends a custom command to the server. |
UploadBytes | Uploads a byte array to the server. |
UploadFile | Uploads a file to the server. |
UploadFiles | Uploads multiple files to the server. |
Event List
The following is the full list of the events fired by the module with short descriptions. Click on the links for further details.
ControlReceive | Fires when data is received via the control channel. |
ControlSend | Fires when data is about to be set via the control channel. |
Error | Information about errors during data delivery. |
ExternalSign | Handles remote or external signing initiated by the SignExternal method or other source. |
FileOperation | Marks the start of a file transfer. |
FileOperationResult | Reports the result of a file transfer operation. |
ListEntry | Reports a single entry from the requested directory listing. |
Notification | This event notifies the application about an underlying control flow event. |
Progress | Reports the data transfer progress. |
TextDataLine | Reports next transferred data line. |
TLSCertNeeded | Fires when a remote TLS party requests a client certificate. |
TLSCertValidate | This event is fired upon receipt of the TLS server's certificate, allowing the user to control its acceptance. |
TLSEstablished | Fires when a TLS handshake with Host successfully completes. |
TLSHandshake | Fires when a new TLS handshake is initiated, before the handshake commences. |
TLSPSK | Notifies the application about the PSK key exchange. |
TLSShutdown | Reports the graceful closure of a TLS connection. |
Config Settings
The following is a list of config settings for the module with short descriptions. Click on the links for further details.
AuthCmd | Authorization command to be used to request an explicit SSL session. |
CaseConversion | Whether file names and paths should be case-converted. |
CaseSensitive | Case-sensitivity of file names and paths. |
CloseQuietly | Set this to true to avoid sending QUIT command on session closure. |
ConcurrentConnections | Number of simultaneous connections for download. |
CopyMode | What to do with the originals of the copied files. |
ErrorOrigin | Specifies where the error has been originated. |
ErrorSeverity | Error severity. |
EventOrigin | Indicates the channel that has fired the event. |
ExtHOSTSupported | Whether HOST extension is supported. |
ExtMDTMSupported | Whether MDTM extension is supported. |
ExtMFMTSupported | Whether MFMT extension is supported. |
ExtMLSTSupported | Whether MLST extension is supported. |
ExtOPTSUTF8Supported | Whether OPTS UTF8 extension is supported. |
ExtRESTSupported | Whether REST extension is supported. |
ExtSIZESupported | Whether SIZE extension is supported. |
ExtXCRCSupported | Whether XCRC extension is supported. |
ExtXMD5Supported | Whether XMD5 extension is supported. |
FTPBufferSize | Buffer size in binary mode. |
FTPTextBufferSize | Buffer size in text mode. |
IgnoreSystemTrust | Whether trusted Windows Certificate Stores should be treated as trusted. |
ListenTimeout | Listening socket timeout. |
LocalNewLineConvention | Defines the local newline convention. |
MinSizeForConcurrentDownload | Files bigger than this size will be downloaded concurrently. |
Mode | What to do if the destination file already exists. |
Options | Various FTP options. |
Recursive | Whether to scan subdirectories. |
TempPath | Path for storing temporary files. |
TolerateMinorChainIssues | Whether to tolerate minor chain issues. |
TransferKeepAliveInterval | Keep-alive interval for the data channel transfers. |
TransferTimeout | Timeout for data transfer in active mode. |
UseMicrosoftCTL | Enables or disables automatic use of Microsoft online certificate trust list. |
UseProxySettingsForDataChannel | Whether the proxy settings should be applied to data channel. |
UseSystemCertificates | Enables or disables the use of the system certificates. |
CheckKeyIntegrityBeforeUse | Enables or disable private key integrity check before use. |
CookieCaching | Specifies whether a cookie cache should be used for HTTP(S) transports. |
Cookies | Gets or sets local cookies for the module (supported for HTTPClient, RESTClient and SOAPClient only). |
DefDeriveKeyIterations | Specifies the default key derivation algorithm iteration count. |
EnableClientSideSSLFFDHE | Enables or disables finite field DHE key exchange support in TLS clients. |
GlobalCookies | Gets or sets global cookies for all the HTTP transports. |
HttpUserAgent | Specifies the user agent name to be used by all HTTP clients. |
LogDestination | Specifies the debug log destination. |
LogDetails | Specifies the debug log details to dump. |
LogFile | Specifies the debug log filename. |
LogFilters | Specifies the debug log filters. |
LogFlushMode | Specifies the log flush mode. |
LogLevel | Specifies the debug log level. |
LogMaxEventCount | Specifies the maximum number of events to cache before further action is taken. |
LogRotationMode | Specifies the log rotation mode. |
MaxASN1BufferLength | Specifies the maximal allowed length for ASN.1 primitive tag data. |
MaxASN1TreeDepth | Specifies the maximal depth for processed ASN.1 trees. |
OCSPHashAlgorithm | Specifies the hash algorithm to be used to identify certificates in OCSP requests. |
Tag | Allows to store any custom data. |
UseOwnDNSResolver | Specifies whether the client modules should use own DNS resolver. |
UseSharedSystemStorages | Specifies whether the validation engine should use a global per-process copy of the system certificate stores. |
UseSystemOAEPAndPSS | Enforces or disables the use of system-driven RSA OAEP and PSS computations. |
UseSystemRandom | Enables or disables the use of the OS PRNG. |
AccountInfo Property (FTPClient Module)
Parameters for the ACCT command.
Syntax
public var accountInfo: String { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=accountInfo,setter=setAccountInfo:) NSString* accountInfo; - (NSString*)accountInfo; - (void)setAccountInfo :(NSString*)newAccountInfo;
Default Value
""
Remarks
Specifies the parameter for ACCT command. If AccountInfo is set, the client automatically sends ACCT command to the server during authentication.
AdjustPasvAddress Property (FTPClient Module)
Enables or disables automatic adjustment of passive-mode addresses.
Syntax
public var adjustPasvAddress: Bool { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=adjustPasvAddress,setter=setAdjustPasvAddress:) BOOL adjustPasvAddress; - (BOOL)adjustPasvAddress; - (void)setAdjustPasvAddress :(BOOL)newAdjustPasvAddress;
Default Value
True
Remarks
Occasional NAT'ed servers misbehave by returning local IP addresses in their PASV mode offers, which are not reachable from the outer network. Set this property to true to make the class enforce data connections to the same address as the control connection uses.
Note that sometimes (typically, with multi-faced FTP services aka FTP Clouds) you may need to disable this property to make the transfers work right.
BlockedCertificates Property (FTPClient Module)
The certificates that must be rejected as trust anchors.
Syntax
public var blockedCertificates: Array<Certificate> { get {...} }
@property (nonatomic,readwrite,assign,getter=blockedCertCount,setter=setBlockedCertCount:) int blockedCertCount; - (int)blockedCertCount; - (void)setBlockedCertCount :(int)newBlockedCertCount; - (NSData*)blockedCertBytes:(int)blockedCertIndex; - (long long)blockedCertHandle:(int)blockedCertIndex; - (void)setBlockedCertHandle:(int)blockedCertIndex :(long long)newBlockedCertHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
ClientChain Property (FTPClient Module)
The TLS client certificate chain.
Syntax
public var clientChain: Array<Certificate> { get {...} }
@property (nonatomic,readwrite,assign,getter=clientCertCount,setter=setClientCertCount:) int clientCertCount; - (int)clientCertCount; - (void)setClientCertCount :(int)newClientCertCount; - (NSData*)clientCertBytes:(int)clientCertIndex; - (long long)clientCertHandle:(int)clientCertIndex; - (void)setClientCertHandle:(int)clientCertIndex :(long long)newClientCertHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
Connected Property (FTPClient Module)
Indicates whether the module is connected to the server.
Syntax
public var connected: Bool { get {...} }
@property (nonatomic,readonly,assign,getter=connected) BOOL connected; - (BOOL)connected;
Default Value
False
Remarks
Use this property to check if the connection to server is active.
This property is read-only.
ControlChannelLog Property (FTPClient Module)
Contains the control channel log of the FTP session.
Syntax
public var controlChannelLog: String { get {...} }
@property (nonatomic,readonly,assign,getter=controlChannelLog) NSString* controlChannelLog; - (NSString*)controlChannelLog;
Default Value
""
Remarks
Use this property to access the FTP protocol log (client commands followed by server responses).
This property is read-only.
ControlConnectionInfo Property (FTPClient Module)
Returns the details of the control connection setup.
Syntax
public var controlConnectionInfo: ConnectionInfo { get {...} }
@property (nonatomic,readonly,assign,getter=ctlConnInfoAEADCipher) BOOL ctlConnInfoAEADCipher; - (BOOL)ctlConnInfoAEADCipher; @property (nonatomic,readonly,assign,getter=ctlConnInfoChainValidationDetails) int ctlConnInfoChainValidationDetails; - (int)ctlConnInfoChainValidationDetails; @property (nonatomic,readonly,assign,getter=ctlConnInfoChainValidationResult) int ctlConnInfoChainValidationResult; - (int)ctlConnInfoChainValidationResult; @property (nonatomic,readonly,assign,getter=ctlConnInfoCiphersuite) NSString* ctlConnInfoCiphersuite; - (NSString*)ctlConnInfoCiphersuite; @property (nonatomic,readonly,assign,getter=ctlConnInfoClientAuthenticated) BOOL ctlConnInfoClientAuthenticated; - (BOOL)ctlConnInfoClientAuthenticated; @property (nonatomic,readonly,assign,getter=ctlConnInfoClientAuthRequested) BOOL ctlConnInfoClientAuthRequested; - (BOOL)ctlConnInfoClientAuthRequested; @property (nonatomic,readonly,assign,getter=ctlConnInfoConnectionEstablished) BOOL ctlConnInfoConnectionEstablished; - (BOOL)ctlConnInfoConnectionEstablished; @property (nonatomic,readonly,assign,getter=ctlConnInfoConnectionID) NSData* ctlConnInfoConnectionID; - (NSData*)ctlConnInfoConnectionID; @property (nonatomic,readonly,assign,getter=ctlConnInfoDigestAlgorithm) NSString* ctlConnInfoDigestAlgorithm; - (NSString*)ctlConnInfoDigestAlgorithm; @property (nonatomic,readonly,assign,getter=ctlConnInfoEncryptionAlgorithm) NSString* ctlConnInfoEncryptionAlgorithm; - (NSString*)ctlConnInfoEncryptionAlgorithm; @property (nonatomic,readonly,assign,getter=ctlConnInfoExportable) BOOL ctlConnInfoExportable; - (BOOL)ctlConnInfoExportable; @property (nonatomic,readonly,assign,getter=ctlConnInfoKeyExchangeAlgorithm) NSString* ctlConnInfoKeyExchangeAlgorithm; - (NSString*)ctlConnInfoKeyExchangeAlgorithm; @property (nonatomic,readonly,assign,getter=ctlConnInfoKeyExchangeKeyBits) int ctlConnInfoKeyExchangeKeyBits; - (int)ctlConnInfoKeyExchangeKeyBits; @property (nonatomic,readonly,assign,getter=ctlConnInfoNamedECCurve) NSString* ctlConnInfoNamedECCurve; - (NSString*)ctlConnInfoNamedECCurve; @property (nonatomic,readonly,assign,getter=ctlConnInfoPFSCipher) BOOL ctlConnInfoPFSCipher; - (BOOL)ctlConnInfoPFSCipher; @property (nonatomic,readonly,assign,getter=ctlConnInfoPreSharedIdentityHint) NSString* ctlConnInfoPreSharedIdentityHint; - (NSString*)ctlConnInfoPreSharedIdentityHint; @property (nonatomic,readonly,assign,getter=ctlConnInfoPublicKeyBits) int ctlConnInfoPublicKeyBits; - (int)ctlConnInfoPublicKeyBits; @property (nonatomic,readonly,assign,getter=ctlConnInfoResumedSession) BOOL ctlConnInfoResumedSession; - (BOOL)ctlConnInfoResumedSession; @property (nonatomic,readonly,assign,getter=ctlConnInfoSecureConnection) BOOL ctlConnInfoSecureConnection; - (BOOL)ctlConnInfoSecureConnection; @property (nonatomic,readonly,assign,getter=ctlConnInfoServerAuthenticated) BOOL ctlConnInfoServerAuthenticated; - (BOOL)ctlConnInfoServerAuthenticated; @property (nonatomic,readonly,assign,getter=ctlConnInfoSignatureAlgorithm) NSString* ctlConnInfoSignatureAlgorithm; - (NSString*)ctlConnInfoSignatureAlgorithm; @property (nonatomic,readonly,assign,getter=ctlConnInfoSymmetricBlockSize) int ctlConnInfoSymmetricBlockSize; - (int)ctlConnInfoSymmetricBlockSize; @property (nonatomic,readonly,assign,getter=ctlConnInfoSymmetricKeyBits) int ctlConnInfoSymmetricKeyBits; - (int)ctlConnInfoSymmetricKeyBits; @property (nonatomic,readonly,assign,getter=ctlConnInfoTotalBytesReceived) long long ctlConnInfoTotalBytesReceived; - (long long)ctlConnInfoTotalBytesReceived; @property (nonatomic,readonly,assign,getter=ctlConnInfoTotalBytesSent) long long ctlConnInfoTotalBytesSent; - (long long)ctlConnInfoTotalBytesSent; @property (nonatomic,readonly,assign,getter=ctlConnInfoValidationLog) NSString* ctlConnInfoValidationLog; - (NSString*)ctlConnInfoValidationLog; @property (nonatomic,readonly,assign,getter=ctlConnInfoVersion) NSString* ctlConnInfoVersion; - (NSString*)ctlConnInfoVersion;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
CurrentListEntry Property (FTPClient Module)
Contains the details of the file entry reported by ListEntry .
Syntax
public var currentListEntry: FTPListEntry { get {...} }
@property (nonatomic,readonly,assign,getter=currListEntryEntryFormat) int currListEntryEntryFormat; - (int)currListEntryEntryFormat; @property (nonatomic,readonly,assign,getter=currListEntryFileDate) NSString* currListEntryFileDate; - (NSString*)currListEntryFileDate; @property (nonatomic,readonly,assign,getter=currListEntryFileType) int currListEntryFileType; - (int)currListEntryFileType; @property (nonatomic,readonly,assign,getter=currListEntryHandle) long long currListEntryHandle; - (long long)currListEntryHandle; @property (nonatomic,readonly,assign,getter=currListEntryName) NSString* currListEntryName; - (NSString*)currListEntryName; @property (nonatomic,readonly,assign,getter=currListEntryPath) NSString* currListEntryPath; - (NSString*)currListEntryPath; @property (nonatomic,readonly,assign,getter=currListEntryRawData) NSString* currListEntryRawData; - (NSString*)currListEntryRawData; @property (nonatomic,readonly,assign,getter=currListEntrySize) long long currListEntrySize; - (long long)currListEntrySize;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
DataConnectionInfo Property (FTPClient Module)
Returns the details of the data connection setup.
Syntax
public var dataConnectionInfo: ConnectionInfo { get {...} }
@property (nonatomic,readonly,assign,getter=dataConnInfoAEADCipher) BOOL dataConnInfoAEADCipher; - (BOOL)dataConnInfoAEADCipher; @property (nonatomic,readonly,assign,getter=dataConnInfoChainValidationDetails) int dataConnInfoChainValidationDetails; - (int)dataConnInfoChainValidationDetails; @property (nonatomic,readonly,assign,getter=dataConnInfoChainValidationResult) int dataConnInfoChainValidationResult; - (int)dataConnInfoChainValidationResult; @property (nonatomic,readonly,assign,getter=dataConnInfoCiphersuite) NSString* dataConnInfoCiphersuite; - (NSString*)dataConnInfoCiphersuite; @property (nonatomic,readonly,assign,getter=dataConnInfoClientAuthenticated) BOOL dataConnInfoClientAuthenticated; - (BOOL)dataConnInfoClientAuthenticated; @property (nonatomic,readonly,assign,getter=dataConnInfoClientAuthRequested) BOOL dataConnInfoClientAuthRequested; - (BOOL)dataConnInfoClientAuthRequested; @property (nonatomic,readonly,assign,getter=dataConnInfoConnectionEstablished) BOOL dataConnInfoConnectionEstablished; - (BOOL)dataConnInfoConnectionEstablished; @property (nonatomic,readonly,assign,getter=dataConnInfoConnectionID) NSData* dataConnInfoConnectionID; - (NSData*)dataConnInfoConnectionID; @property (nonatomic,readonly,assign,getter=dataConnInfoDigestAlgorithm) NSString* dataConnInfoDigestAlgorithm; - (NSString*)dataConnInfoDigestAlgorithm; @property (nonatomic,readonly,assign,getter=dataConnInfoEncryptionAlgorithm) NSString* dataConnInfoEncryptionAlgorithm; - (NSString*)dataConnInfoEncryptionAlgorithm; @property (nonatomic,readonly,assign,getter=dataConnInfoExportable) BOOL dataConnInfoExportable; - (BOOL)dataConnInfoExportable; @property (nonatomic,readonly,assign,getter=dataConnInfoKeyExchangeAlgorithm) NSString* dataConnInfoKeyExchangeAlgorithm; - (NSString*)dataConnInfoKeyExchangeAlgorithm; @property (nonatomic,readonly,assign,getter=dataConnInfoKeyExchangeKeyBits) int dataConnInfoKeyExchangeKeyBits; - (int)dataConnInfoKeyExchangeKeyBits; @property (nonatomic,readonly,assign,getter=dataConnInfoNamedECCurve) NSString* dataConnInfoNamedECCurve; - (NSString*)dataConnInfoNamedECCurve; @property (nonatomic,readonly,assign,getter=dataConnInfoPFSCipher) BOOL dataConnInfoPFSCipher; - (BOOL)dataConnInfoPFSCipher; @property (nonatomic,readonly,assign,getter=dataConnInfoPreSharedIdentityHint) NSString* dataConnInfoPreSharedIdentityHint; - (NSString*)dataConnInfoPreSharedIdentityHint; @property (nonatomic,readonly,assign,getter=dataConnInfoPublicKeyBits) int dataConnInfoPublicKeyBits; - (int)dataConnInfoPublicKeyBits; @property (nonatomic,readonly,assign,getter=dataConnInfoResumedSession) BOOL dataConnInfoResumedSession; - (BOOL)dataConnInfoResumedSession; @property (nonatomic,readonly,assign,getter=dataConnInfoSecureConnection) BOOL dataConnInfoSecureConnection; - (BOOL)dataConnInfoSecureConnection; @property (nonatomic,readonly,assign,getter=dataConnInfoServerAuthenticated) BOOL dataConnInfoServerAuthenticated; - (BOOL)dataConnInfoServerAuthenticated; @property (nonatomic,readonly,assign,getter=dataConnInfoSignatureAlgorithm) NSString* dataConnInfoSignatureAlgorithm; - (NSString*)dataConnInfoSignatureAlgorithm; @property (nonatomic,readonly,assign,getter=dataConnInfoSymmetricBlockSize) int dataConnInfoSymmetricBlockSize; - (int)dataConnInfoSymmetricBlockSize; @property (nonatomic,readonly,assign,getter=dataConnInfoSymmetricKeyBits) int dataConnInfoSymmetricKeyBits; - (int)dataConnInfoSymmetricKeyBits; @property (nonatomic,readonly,assign,getter=dataConnInfoTotalBytesReceived) long long dataConnInfoTotalBytesReceived; - (long long)dataConnInfoTotalBytesReceived; @property (nonatomic,readonly,assign,getter=dataConnInfoTotalBytesSent) long long dataConnInfoTotalBytesSent; - (long long)dataConnInfoTotalBytesSent; @property (nonatomic,readonly,assign,getter=dataConnInfoValidationLog) NSString* dataConnInfoValidationLog; - (NSString*)dataConnInfoValidationLog; @property (nonatomic,readonly,assign,getter=dataConnInfoVersion) NSString* dataConnInfoVersion; - (NSString*)dataConnInfoVersion;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
EncryptDataChannel Property (FTPClient Module)
Enables or disables data channel encryption.
Syntax
public var encryptDataChannel: Bool { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=encryptDataChannel,setter=setEncryptDataChannel:) BOOL encryptDataChannel; - (BOOL)encryptDataChannel; - (void)setEncryptDataChannel :(BOOL)newEncryptDataChannel;
Default Value
True
Remarks
Use this property to enable or disable data channel encryption. This property should be configured before Connect method is called.
ExternalCrypto Property (FTPClient Module)
Provides access to external signing and DC parameters.
Syntax
public var externalCrypto: ExternalCrypto { get {...} }
@property (nonatomic,readwrite,assign,getter=externalCryptoAsyncDocumentID,setter=setExternalCryptoAsyncDocumentID:) NSString* externalCryptoAsyncDocumentID; - (NSString*)externalCryptoAsyncDocumentID; - (void)setExternalCryptoAsyncDocumentID :(NSString*)newExternalCryptoAsyncDocumentID; @property (nonatomic,readwrite,assign,getter=externalCryptoCustomParams,setter=setExternalCryptoCustomParams:) NSString* externalCryptoCustomParams; - (NSString*)externalCryptoCustomParams; - (void)setExternalCryptoCustomParams :(NSString*)newExternalCryptoCustomParams; @property (nonatomic,readwrite,assign,getter=externalCryptoData,setter=setExternalCryptoData:) NSString* externalCryptoData; - (NSString*)externalCryptoData; - (void)setExternalCryptoData :(NSString*)newExternalCryptoData; @property (nonatomic,readwrite,assign,getter=externalCryptoExternalHashCalculation,setter=setExternalCryptoExternalHashCalculation:) BOOL externalCryptoExternalHashCalculation; - (BOOL)externalCryptoExternalHashCalculation; - (void)setExternalCryptoExternalHashCalculation :(BOOL)newExternalCryptoExternalHashCalculation; @property (nonatomic,readwrite,assign,getter=externalCryptoHashAlgorithm,setter=setExternalCryptoHashAlgorithm:) NSString* externalCryptoHashAlgorithm; - (NSString*)externalCryptoHashAlgorithm; - (void)setExternalCryptoHashAlgorithm :(NSString*)newExternalCryptoHashAlgorithm; @property (nonatomic,readwrite,assign,getter=externalCryptoKeyID,setter=setExternalCryptoKeyID:) NSString* externalCryptoKeyID; - (NSString*)externalCryptoKeyID; - (void)setExternalCryptoKeyID :(NSString*)newExternalCryptoKeyID; @property (nonatomic,readwrite,assign,getter=externalCryptoKeySecret,setter=setExternalCryptoKeySecret:) NSString* externalCryptoKeySecret; - (NSString*)externalCryptoKeySecret; - (void)setExternalCryptoKeySecret :(NSString*)newExternalCryptoKeySecret; @property (nonatomic,readwrite,assign,getter=externalCryptoMethod,setter=setExternalCryptoMethod:) int externalCryptoMethod; - (int)externalCryptoMethod; - (void)setExternalCryptoMethod :(int)newExternalCryptoMethod; @property (nonatomic,readwrite,assign,getter=externalCryptoMode,setter=setExternalCryptoMode:) int externalCryptoMode; - (int)externalCryptoMode; - (void)setExternalCryptoMode :(int)newExternalCryptoMode; @property (nonatomic,readwrite,assign,getter=externalCryptoPublicKeyAlgorithm,setter=setExternalCryptoPublicKeyAlgorithm:) NSString* externalCryptoPublicKeyAlgorithm; - (NSString*)externalCryptoPublicKeyAlgorithm; - (void)setExternalCryptoPublicKeyAlgorithm :(NSString*)newExternalCryptoPublicKeyAlgorithm;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
FIPSMode Property (FTPClient Module)
Reserved.
Syntax
public var fipsMode: Bool { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=FIPSMode,setter=setFIPSMode:) BOOL FIPSMode; - (BOOL)FIPSMode; - (void)setFIPSMode :(BOOL)newFIPSMode;
Default Value
False
Remarks
This property is reserved for future use.
KnownCertificates Property (FTPClient Module)
Additional certificates for chain validation.
Syntax
public var knownCertificates: Array<Certificate> { get {...} }
@property (nonatomic,readwrite,assign,getter=knownCertCount,setter=setKnownCertCount:) int knownCertCount; - (int)knownCertCount; - (void)setKnownCertCount :(int)newKnownCertCount; - (NSData*)knownCertBytes:(int)knownCertIndex; - (long long)knownCertHandle:(int)knownCertIndex; - (void)setKnownCertHandle:(int)knownCertIndex :(long long)newKnownCertHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
KnownCRLs Property (FTPClient Module)
Additional CRLs for chain validation.
Syntax
public var knownCRLs: Array<CRL> { get {...} }
@property (nonatomic,readwrite,assign,getter=knownCRLCount,setter=setKnownCRLCount:) int knownCRLCount; - (int)knownCRLCount; - (void)setKnownCRLCount :(int)newKnownCRLCount; - (NSData*)knownCRLBytes:(int)knownCRLIndex; - (long long)knownCRLHandle:(int)knownCRLIndex; - (void)setKnownCRLHandle:(int)knownCRLIndex :(long long)newKnownCRLHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
KnownOCSPs Property (FTPClient Module)
Additional OCSP responses for chain validation.
Syntax
public var knownOCSPs: Array<OCSPResponse> { get {...} }
@property (nonatomic,readwrite,assign,getter=knownOCSPCount,setter=setKnownOCSPCount:) int knownOCSPCount; - (int)knownOCSPCount; - (void)setKnownOCSPCount :(int)newKnownOCSPCount; - (NSData*)knownOCSPBytes:(int)knownOCSPIndex; - (long long)knownOCSPHandle:(int)knownOCSPIndex; - (void)setKnownOCSPHandle:(int)knownOCSPIndex :(long long)newKnownOCSPHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
ModeZ Property (FTPClient Module)
Switches on data compression.
Syntax
public var modeZ: Bool { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=modeZ,setter=setModeZ:) BOOL modeZ; - (BOOL)modeZ; - (void)setModeZ :(BOOL)newModeZ;
Default Value
True
Remarks
Switches the in-flight data compression on/off.
PassiveMode Property (FTPClient Module)
Enables or disables passive transfer mode.
Syntax
public var passiveMode: Bool { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=passiveMode,setter=setPassiveMode:) BOOL passiveMode; - (BOOL)passiveMode; - (void)setPassiveMode :(BOOL)newPassiveMode;
Default Value
True
Remarks
The transfer mode (active or passive) regulates which party is responsible for opening a listening port for data connections. Where passive mode is used, the FTP server is responsible for listening for data connections. In active mode, the listening port is opened by the client.
In today's Internet of firewalls it is a de-facto standard to use the passive mode for FTP transfers.
Password Property (FTPClient Module)
The connecting user's authentication password.
Syntax
public var password: String { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=password,setter=setPassword:) NSString* password; - (NSString*)password; - (void)setPassword :(NSString*)newPassword;
Default Value
""
Remarks
Assign the user's authentication password to this property. Use Username for username/login.
Proxy Property (FTPClient Module)
The proxy server settings.
Syntax
public var proxy: ProxySettings { get {...} }
@property (nonatomic,readwrite,assign,getter=proxyAddress,setter=setProxyAddress:) NSString* proxyAddress; - (NSString*)proxyAddress; - (void)setProxyAddress :(NSString*)newProxyAddress; @property (nonatomic,readwrite,assign,getter=proxyAuthentication,setter=setProxyAuthentication:) int proxyAuthentication; - (int)proxyAuthentication; - (void)setProxyAuthentication :(int)newProxyAuthentication; @property (nonatomic,readwrite,assign,getter=proxyPassword,setter=setProxyPassword:) NSString* proxyPassword; - (NSString*)proxyPassword; - (void)setProxyPassword :(NSString*)newProxyPassword; @property (nonatomic,readwrite,assign,getter=proxyPort,setter=setProxyPort:) int proxyPort; - (int)proxyPort; - (void)setProxyPort :(int)newProxyPort; @property (nonatomic,readwrite,assign,getter=proxyProxyType,setter=setProxyProxyType:) int proxyProxyType; - (int)proxyProxyType; - (void)setProxyProxyType :(int)newProxyProxyType; @property (nonatomic,readwrite,assign,getter=proxyRequestHeaders,setter=setProxyRequestHeaders:) NSString* proxyRequestHeaders; - (NSString*)proxyRequestHeaders; - (void)setProxyRequestHeaders :(NSString*)newProxyRequestHeaders; @property (nonatomic,readwrite,assign,getter=proxyResponseBody,setter=setProxyResponseBody:) NSString* proxyResponseBody; - (NSString*)proxyResponseBody; - (void)setProxyResponseBody :(NSString*)newProxyResponseBody; @property (nonatomic,readwrite,assign,getter=proxyResponseHeaders,setter=setProxyResponseHeaders:) NSString* proxyResponseHeaders; - (NSString*)proxyResponseHeaders; - (void)setProxyResponseHeaders :(NSString*)newProxyResponseHeaders; @property (nonatomic,readwrite,assign,getter=proxyUseIPv6,setter=setProxyUseIPv6:) BOOL proxyUseIPv6; - (BOOL)proxyUseIPv6; - (void)setProxyUseIPv6 :(BOOL)newProxyUseIPv6; @property (nonatomic,readwrite,assign,getter=proxyUseProxy,setter=setProxyUseProxy:) BOOL proxyUseProxy; - (BOOL)proxyUseProxy; - (void)setProxyUseProxy :(BOOL)newProxyUseProxy; @property (nonatomic,readwrite,assign,getter=proxyUsername,setter=setProxyUsername:) NSString* proxyUsername; - (NSString*)proxyUsername; - (void)setProxyUsername :(NSString*)newProxyUsername;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
RestartAt Property (FTPClient Module)
The offset to restart the file transfer from.
Syntax
public var restartAt: Int64 { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=restartAt,setter=setRestartAt:) long long restartAt; - (long long)restartAt; - (void)setRestartAt :(long long)newRestartAt;
Default Value
-1
Remarks
If non-zero, tells the component to restart the file transfer operation at the specified position, rather than transfer the file in full.
ServerChain Property (FTPClient Module)
The TLS server's certificate chain.
Syntax
public var serverChain: Array<Certificate> { get {...} }
@property (nonatomic,readonly,assign,getter=serverCertCount) int serverCertCount; - (int)serverCertCount; - (NSData*)serverCertBytes:(int)serverCertIndex; - (NSData*)serverCertCAKeyID:(int)serverCertIndex; - (NSData*)serverCertFingerprint:(int)serverCertIndex; - (long long)serverCertHandle:(int)serverCertIndex; - (NSString*)serverCertIssuer:(int)serverCertIndex; - (NSString*)serverCertIssuerRDN:(int)serverCertIndex; - (NSString*)serverCertKeyAlgorithm:(int)serverCertIndex; - (int)serverCertKeyBits:(int)serverCertIndex; - (NSData*)serverCertKeyFingerprint:(int)serverCertIndex; - (int)serverCertKeyUsage:(int)serverCertIndex; - (NSData*)serverCertPublicKeyBytes:(int)serverCertIndex; - (BOOL)serverCertSelfSigned:(int)serverCertIndex; - (NSData*)serverCertSerialNumber:(int)serverCertIndex; - (NSString*)serverCertSigAlgorithm:(int)serverCertIndex; - (NSString*)serverCertSubject:(int)serverCertIndex; - (NSData*)serverCertSubjectKeyID:(int)serverCertIndex; - (NSString*)serverCertSubjectRDN:(int)serverCertIndex; - (NSString*)serverCertValidFrom:(int)serverCertIndex; - (NSString*)serverCertValidTo:(int)serverCertIndex;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
SocketSettings Property (FTPClient Module)
Manages network connection settings.
Syntax
public var socketSettings: SocketSettings { get {...} }
@property (nonatomic,readwrite,assign,getter=socketDNSMode,setter=setSocketDNSMode:) int socketDNSMode; - (int)socketDNSMode; - (void)setSocketDNSMode :(int)newSocketDNSMode; @property (nonatomic,readwrite,assign,getter=socketDNSPort,setter=setSocketDNSPort:) int socketDNSPort; - (int)socketDNSPort; - (void)setSocketDNSPort :(int)newSocketDNSPort; @property (nonatomic,readwrite,assign,getter=socketDNSQueryTimeout,setter=setSocketDNSQueryTimeout:) int socketDNSQueryTimeout; - (int)socketDNSQueryTimeout; - (void)setSocketDNSQueryTimeout :(int)newSocketDNSQueryTimeout; @property (nonatomic,readwrite,assign,getter=socketDNSServers,setter=setSocketDNSServers:) NSString* socketDNSServers; - (NSString*)socketDNSServers; - (void)setSocketDNSServers :(NSString*)newSocketDNSServers; @property (nonatomic,readwrite,assign,getter=socketDNSTotalTimeout,setter=setSocketDNSTotalTimeout:) int socketDNSTotalTimeout; - (int)socketDNSTotalTimeout; - (void)setSocketDNSTotalTimeout :(int)newSocketDNSTotalTimeout; @property (nonatomic,readwrite,assign,getter=socketIncomingSpeedLimit,setter=setSocketIncomingSpeedLimit:) int socketIncomingSpeedLimit; - (int)socketIncomingSpeedLimit; - (void)setSocketIncomingSpeedLimit :(int)newSocketIncomingSpeedLimit; @property (nonatomic,readwrite,assign,getter=socketLocalAddress,setter=setSocketLocalAddress:) NSString* socketLocalAddress; - (NSString*)socketLocalAddress; - (void)setSocketLocalAddress :(NSString*)newSocketLocalAddress; @property (nonatomic,readwrite,assign,getter=socketLocalPort,setter=setSocketLocalPort:) int socketLocalPort; - (int)socketLocalPort; - (void)setSocketLocalPort :(int)newSocketLocalPort; @property (nonatomic,readwrite,assign,getter=socketOutgoingSpeedLimit,setter=setSocketOutgoingSpeedLimit:) int socketOutgoingSpeedLimit; - (int)socketOutgoingSpeedLimit; - (void)setSocketOutgoingSpeedLimit :(int)newSocketOutgoingSpeedLimit; @property (nonatomic,readwrite,assign,getter=socketTimeout,setter=setSocketTimeout:) int socketTimeout; - (int)socketTimeout; - (void)setSocketTimeout :(int)newSocketTimeout; @property (nonatomic,readwrite,assign,getter=socketUseIPv6,setter=setSocketUseIPv6:) BOOL socketUseIPv6; - (BOOL)socketUseIPv6; - (void)setSocketUseIPv6 :(BOOL)newSocketUseIPv6;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
TLSSettings Property (FTPClient Module)
Manages TLS layer settings.
Syntax
public var tlsSettings: TLSSettings { get {...} }
@property (nonatomic,readwrite,assign,getter=TLSAutoValidateCertificates,setter=setTLSAutoValidateCertificates:) BOOL TLSAutoValidateCertificates; - (BOOL)TLSAutoValidateCertificates; - (void)setTLSAutoValidateCertificates :(BOOL)newTLSAutoValidateCertificates; @property (nonatomic,readwrite,assign,getter=TLSBaseConfiguration,setter=setTLSBaseConfiguration:) int TLSBaseConfiguration; - (int)TLSBaseConfiguration; - (void)setTLSBaseConfiguration :(int)newTLSBaseConfiguration; @property (nonatomic,readwrite,assign,getter=TLSCiphersuites,setter=setTLSCiphersuites:) NSString* TLSCiphersuites; - (NSString*)TLSCiphersuites; - (void)setTLSCiphersuites :(NSString*)newTLSCiphersuites; @property (nonatomic,readwrite,assign,getter=TLSECCurves,setter=setTLSECCurves:) NSString* TLSECCurves; - (NSString*)TLSECCurves; - (void)setTLSECCurves :(NSString*)newTLSECCurves; @property (nonatomic,readwrite,assign,getter=TLSExtensions,setter=setTLSExtensions:) NSString* TLSExtensions; - (NSString*)TLSExtensions; - (void)setTLSExtensions :(NSString*)newTLSExtensions; @property (nonatomic,readwrite,assign,getter=TLSForceResumeIfDestinationChanges,setter=setTLSForceResumeIfDestinationChanges:) BOOL TLSForceResumeIfDestinationChanges; - (BOOL)TLSForceResumeIfDestinationChanges; - (void)setTLSForceResumeIfDestinationChanges :(BOOL)newTLSForceResumeIfDestinationChanges; @property (nonatomic,readwrite,assign,getter=TLSPreSharedIdentity,setter=setTLSPreSharedIdentity:) NSString* TLSPreSharedIdentity; - (NSString*)TLSPreSharedIdentity; - (void)setTLSPreSharedIdentity :(NSString*)newTLSPreSharedIdentity; @property (nonatomic,readwrite,assign,getter=TLSPreSharedKey,setter=setTLSPreSharedKey:) NSString* TLSPreSharedKey; - (NSString*)TLSPreSharedKey; - (void)setTLSPreSharedKey :(NSString*)newTLSPreSharedKey; @property (nonatomic,readwrite,assign,getter=TLSPreSharedKeyCiphersuite,setter=setTLSPreSharedKeyCiphersuite:) NSString* TLSPreSharedKeyCiphersuite; - (NSString*)TLSPreSharedKeyCiphersuite; - (void)setTLSPreSharedKeyCiphersuite :(NSString*)newTLSPreSharedKeyCiphersuite; @property (nonatomic,readwrite,assign,getter=TLSRenegotiationAttackPreventionMode,setter=setTLSRenegotiationAttackPreventionMode:) int TLSRenegotiationAttackPreventionMode; - (int)TLSRenegotiationAttackPreventionMode; - (void)setTLSRenegotiationAttackPreventionMode :(int)newTLSRenegotiationAttackPreventionMode; @property (nonatomic,readwrite,assign,getter=TLSRevocationCheck,setter=setTLSRevocationCheck:) int TLSRevocationCheck; - (int)TLSRevocationCheck; - (void)setTLSRevocationCheck :(int)newTLSRevocationCheck; @property (nonatomic,readwrite,assign,getter=TLSSSLOptions,setter=setTLSSSLOptions:) int TLSSSLOptions; - (int)TLSSSLOptions; - (void)setTLSSSLOptions :(int)newTLSSSLOptions; @property (nonatomic,readwrite,assign,getter=TLSTLSMode,setter=setTLSTLSMode:) int TLSTLSMode; - (int)TLSTLSMode; - (void)setTLSTLSMode :(int)newTLSTLSMode; @property (nonatomic,readwrite,assign,getter=TLSUseExtendedMasterSecret,setter=setTLSUseExtendedMasterSecret:) BOOL TLSUseExtendedMasterSecret; - (BOOL)TLSUseExtendedMasterSecret; - (void)setTLSUseExtendedMasterSecret :(BOOL)newTLSUseExtendedMasterSecret; @property (nonatomic,readwrite,assign,getter=TLSUseSessionResumption,setter=setTLSUseSessionResumption:) BOOL TLSUseSessionResumption; - (BOOL)TLSUseSessionResumption; - (void)setTLSUseSessionResumption :(BOOL)newTLSUseSessionResumption; @property (nonatomic,readwrite,assign,getter=TLSVersions,setter=setTLSVersions:) int TLSVersions; - (int)TLSVersions; - (void)setTLSVersions :(int)newTLSVersions;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
TransferType Property (FTPClient Module)
Sets the file transfer mode.
Syntax
public var transferType: FtpclientTransferTypes { get {...} set {...} }
public enum FtpclientTransferTypes: Int32 { case cttText = 0 case cttBinary = 1 }
@property (nonatomic,readwrite,assign,getter=transferType,setter=setTransferType:) int transferType; - (int)transferType; - (void)setTransferType :(int)newTransferType;
Default Value
1
Remarks
Use this property to switch between binary and text transfer modes.
cttText | 0 |
cttBinary | 1 |
TrustedCertificates Property (FTPClient Module)
A list of trusted certificates for chain validation.
Syntax
public var trustedCertificates: Array<Certificate> { get {...} }
@property (nonatomic,readwrite,assign,getter=trustedCertCount,setter=setTrustedCertCount:) int trustedCertCount; - (int)trustedCertCount; - (void)setTrustedCertCount :(int)newTrustedCertCount; - (NSData*)trustedCertBytes:(int)trustedCertIndex; - (long long)trustedCertHandle:(int)trustedCertIndex; - (void)setTrustedCertHandle:(int)trustedCertIndex :(long long)newTrustedCertHandle;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
Username Property (FTPClient Module)
The connecting user's username (login name).
Syntax
public var username: String { get {...} set {...} }
@property (nonatomic,readwrite,assign,getter=username,setter=setUsername:) NSString* username; - (NSString*)username; - (void)setUsername :(NSString*)newUsername;
Default Value
""
Remarks
Assign the user's login name to this property. Use Password to provide the password.
Abort Method (FTPClient Module)
Aborts the previous FTP service command and any associated transfer of data.
Syntax
public func abort() throws -> Void
- (void)abort;
Remarks
Use this method to abort the previous FTP service command and any associated data transfer.
Acct Method (FTPClient Module)
Sends an Account command.
Syntax
Remarks
Some servers require the ACCT command to be sent after signing in to grant access to specific server resources.
Reply codes sometimes allow to differentiate the handling of ACCT command:
- when account information is required for login, the response to a successful PASSword command is reply code 332;
- if account information is NOT required for login, the reply to a successful PASSword command is 230;
- if account information is needed for a command issued later in the dialogue, the server should return a 332 or 532 reply depending on whether it stores (pending receipt of the ACCounT command) or discards the command, respectively.
AppendBytes Method (FTPClient Module)
Appends a byte array to a server-side file.
Syntax
- (void)appendBytes:(NSData*)bytes :(NSString*)remoteFile;
Remarks
Use this method to append Bytes to RemoteFile on the server.
AppendFile Method (FTPClient Module)
Uploads a file to the server.
Syntax
- (void)appendFile:(NSString*)localFile :(NSString*)remoteFile;
Remarks
Use this method to upload LocalFile or its part to RemoteFile on the server.
ChangeDir Method (FTPClient Module)
Changes the current directory.
Syntax
Remarks
Call this method to change the current server directory to RemoteDir.
ClearCommandChannel Method (FTPClient Module)
Sends CCC (Clear Command Channel) command to the server.
Syntax
- (void)clearCommandChannel:(BOOL)gracefulSSLClosure;
Remarks
Use this method to send a CCC command. CCC clears command channel encryption state, turning off TLS encryption.
Some servers expect this command to allow for the control channel to be properly handled by NATs.
Config Method (FTPClient Module)
Sets or retrieves a configuration setting.
Syntax
- (NSString*)config:(NSString*)configurationString;
Remarks
Config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.
These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, 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.
Connect Method (FTPClient Module)
Connects to the FTP server.
Syntax
- (void)connect:(NSString*)address :(int)port;
Remarks
Call this method to connect to the FTP server residing at Address:Port.
The component will connect to the server using the connection settings provided. If the connection is successful, it will also authenticate using the provided Username and Password.
DeleteDir Method (FTPClient Module)
Deletes a directory on the server.
Syntax
Remarks
This method sends an RMD command to the server to request deletion of a remote directory.
DeleteFile Method (FTPClient Module)
Deletes a file on the server.
Syntax
Remarks
This method sends a DELE command to the server to request deletion of a remote file.
DirExists Method (FTPClient Module)
Checks if a directory exists on the server.
Syntax
Remarks
Use this method to check if the RemoteDir exists on the server.
The test is performed by attempting to change the current directory to RemoteDir, and checking the response code returned by the server.
Note that this method will return false if the directory does exist but is not accessible for the client (e.g. due to a permission issue).
Disconnect Method (FTPClient Module)
Disconnects from the server.
Syntax
public func disconnect() throws -> Void
- (void)disconnect;
Remarks
Call this method to disconnect from the server.
DoAction Method (FTPClient Module)
Performs an additional action.
Syntax
- (NSString*)doAction:(NSString*)actionID :(NSString*)actionParams;
Remarks
DoAction is a generic method available in every class. It is used to perform an additional action introduced after the product major release. The list of actions is not fixed, and may be flexibly extended over time.
The unique identifier of the action is provided in ActionID parameter. ActionParams contains a list of parameters for the action in the form of PARAM1=VALUE1;PARAM2=VALUE2;....
DownloadBytes Method (FTPClient Module)
Downloads a file from the server into an array of bytes.
Syntax
- (NSData*)downloadBytes:(NSString*)remoteFile;
Remarks
Use this method to download RemoteFile into a byte array.
DownloadFile Method (FTPClient Module)
Downloads a file from the server.
Syntax
- (void)downloadFile:(NSString*)remoteFile :(NSString*)localFile;
Remarks
Use this method to download RemoteFile into LocalFile.
DownloadFiles Method (FTPClient Module)
Downloads multiple files from the server.
Syntax
- (void)downloadFiles:(NSString*)remotePath :(NSString*)localDir;
Remarks
Use this method do download a collection of files from the server.
RemotePath can contain a simple mask, a set of masks, or a regular expression. All the files that match the provided rule will be downloaded to LocalDir.
FileExists Method (FTPClient Module)
Checks if a file exists on the server.
Syntax
Remarks
Use this method to check if RemoteFile exists in the current remote directory. This method attempts to detect file existence using SIZE and MLST commands first, and falls back to LIST command if they are not available.
Please note that this command only looks for the file in the current directory. To check for existence of a file in a different directory, change to it with ChangeDir command first, then call this method.
GetCurrentDir Method (FTPClient Module)
Returns the server-side current directory.
Syntax
public func getCurrentDir() throws -> String
- (NSString*)getCurrentDir;
Remarks
Use this method to find out the current directory on the server.
GetFileSize Method (FTPClient Module)
Returns the size of a remote file.
Syntax
- (long long)getFileSize:(NSString*)remoteFile;
Remarks
Use this method to retrieve the size of a remote file. This method attempts to use SIZE and MLST commands if available, and resorts to LIST command otherwise.
Please note that this command only looks for the file in the current directory. To check for existence of a file in a different directory, change to it with ChangeDir command first, then call this method.
ListDir Method (FTPClient Module)
Lists the contents of a remote directory.
Syntax
- (NSString*)listDir:(BOOL)includeFiles :(BOOL)includeDirectories;
Remarks
Use the IncludeFiles and IncludeDirectories parameters to tune up the output. The output of IncludeFiles also includes symbolic links.
This method returns a human-readable string containing the requested list. It also fires ListEntry for each entry in the list, propagating its details in CurrentListEntry.
This method uses some heuristics internally by choosing the most appropriate listing method among MLSD, NLST, and LIST.
MakeDir Method (FTPClient Module)
Creates a new directory on the server.
Syntax
Remarks
This method creates a directory. The path provided via RemoteDir can either be absolute or relative.
Depending on the server, the directory structure up to the innermost element might need to exist.
Noop Method (FTPClient Module)
Sends a NOOP command to the server.
Syntax
public func noop() throws -> Void
- (void)noop;
Remarks
Call this method to send a NOOP (No Operation) command to the server.
Rename Method (FTPClient Module)
Renames a file.
Syntax
- (void)rename:(NSString*)sourceFile :(NSString*)destFile;
Remarks
Use this method to rename a server-side SourceFile to DestFile.
SendCommand Method (FTPClient Module)
Sends a custom command to the server.
Syntax
Remarks
This method sends an arbitrary command to the server and returns the status code received. Use it to send custom or non-standard commands, or tune up the session flow as required by the server.
UploadBytes Method (FTPClient Module)
Uploads a byte array to the server.
Syntax
- (void)uploadBytes:(NSData*)bytes :(NSString*)remoteFile;
Remarks
Use this method to upload Bytes or its part to RemoteFile on the server.
UploadFile Method (FTPClient Module)
Uploads a file to the server.
Syntax
- (void)uploadFile:(NSString*)localFile :(NSString*)remoteFile;
Remarks
Use this method to upload LocalFile or its part to RemoteFile on the server.
UploadFiles Method (FTPClient Module)
Uploads multiple files to the server.
Syntax
- (void)uploadFiles:(NSString*)localPath :(NSString*)remoteDir;
Remarks
This method uploads all the files that match the LocalPath criteria to RemoteDir directory on the server. LocalPath accepts a simple mask, a set of masks, or a regular expression.
For each file being uploaded a pair of FileOperation and FileOperationResult events are invoked.
ControlReceive Event (FTPClient Module)
Fires when data is received via the control channel.
Syntax
func onControlReceive(textLine: String)
- (void)onControlReceive:(NSString*)textLine;
Remarks
TextLine contains the data that was received, which would typically contain a reply to a command (e.g. 200 Command OK).
ControlSend Event (FTPClient Module)
Fires when data is about to be set via the control channel.
Syntax
func onControlSend(textLine: String)
- (void)onControlSend:(NSString*)textLine;
Remarks
TextLine contains the data to be sent, which would typically contain a command issued by the client (e.g. CWD dir).
Error Event (FTPClient Module)
Information about errors during data delivery.
Syntax
- (void)onError:(int)errorCode :(NSString*)description;
Remarks
The event is fired in case of exceptional conditions during message processing.
ErrorCode contains an error code and Description contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the FTP section.
ExternalSign Event (FTPClient Module)
Handles remote or external signing initiated by the SignExternal method or other source.
Syntax
func onExternalSign(operationId: String, hashAlgorithm: String, pars: String, data: String, signedData: inout String)
- (void)onExternalSign:(NSString*)operationId :(NSString*)hashAlgorithm :(NSString*)pars :(NSString*)data :(NSString**)signedData;
Remarks
Assign a handler to this event if you need to delegate a low-level signing operation to an external, remote, or custom signing engine. Depending on the settings, the handler will receive a hashed or unhashed value to be signed.
The event handler must pass the value of Data to the signer, obtain the signature, and pass it back to the component via SignedData parameter.
OperationId provides a comment about the operation and its origin. It depends on the exact component being used, and may be empty. HashAlgorithm specifies the hash algorithm being used for the operation, and Pars contain algorithm-dependent parameters.
The component uses base16 (hex) encoding for Data, SignedData, and Pars parameters. If your signing engine uses a different input and output encoding, you may need to decode and/or encode the data before and/or after the signing.
A sample MD5 hash encoded in base16: a0dee2a0382afbb09120ffa7ccd8a152 - lower case base16 A0DEE2A0382AFBB09120FFA7CCD8A152 - upper case base16
A sample event handler that uses a .NET RSACryptoServiceProvider class may look like the following:
signer.OnExternalSign += (s, e) =>
{
var cert = new X509Certificate2("cert.pfx", "", X509KeyStorageFlags.Exportable);
var key = (RSACryptoServiceProvider)cert.PrivateKey;
var dataToSign = e.Data.FromBase16String();
var signedData = key.SignHash(dataToSign, "2.16.840.1.101.3.4.2.1");
e.SignedData = signedData.ToBase16String();
};
FileOperation Event (FTPClient Module)
Marks the start of a file transfer.
Syntax
func onFileOperation(operation: Int32, remotePath: String, localPath: String, skip: inout Bool, cancel: inout Bool)
- (void)onFileOperation:(int)operation :(NSString*)remotePath :(NSString*)localPath :(int*)skip :(int*)cancel;
Remarks
The class fires this event from DownloadFiles and UploadFiles to notify the application that the transfer of the next file in the list is about to start.
Use the Skip parameter to skip this particular file, or Cancel to cancel the whole multi-file operation.
Operations:
cffoDownloadFile | 0 | Download file |
cffoUploadFile | 1 | Upload file |
cffoDeleteFile | 2 | Delete file |
cffoMakeDir | 3 | Make directory |
FileOperationResult Event (FTPClient Module)
Reports the result of a file transfer operation.
Syntax
func onFileOperationResult(operation: Int32, remotePath: String, localPath: String, errorCode: Int32, comment: String, cancel: inout Bool)
- (void)onFileOperationResult:(int)operation :(NSString*)remotePath :(NSString*)localPath :(int)errorCode :(NSString*)comment :(int*)cancel;
Remarks
The class fires this event from DownloadFiles and UploadFiles to notify the application of the completion of a file operation.
ErrorCode and Comment provide the details of the operation. Use the Cancel parameter to terminate the whole multi-file operation if needed.
Operations:
cffoDownloadFile | 0 | Download file |
cffoUploadFile | 1 | Upload file |
cffoDeleteFile | 2 | Delete file |
cffoMakeDir | 3 | Make directory |
ListEntry Event (FTPClient Module)
Reports a single entry from the requested directory listing.
Syntax
func onListEntry(filename: String)
- (void)onListEntry:(NSString*)filename;
Remarks
FileName contains the filename of the reported entry. Read the details of the entry from CurrentListEntry property.
Notification Event (FTPClient Module)
This event notifies the application about an underlying control flow event.
Syntax
- (void)onNotification:(NSString*)eventID :(NSString*)eventParam;
Remarks
The class fires this event to let the application know about some event, occurrence, or milestone in the component. For example, it may fire to report completion of the document processing. The list of events being reported is not fixed, and may be flexibly extended over time.
The unique identifier of the event is provided in EventID parameter. EventParam contains any parameters accompanying the occurrence. Depending on the type of the component, the exact action it is performing, or the document being processed, one or both may be omitted.
Progress Event (FTPClient Module)
Reports the data transfer progress.
Syntax
func onProgress(total: Int64, current: Int64, cancel: inout Bool)
- (void)onProgress:(long long)total :(long long)current :(int*)cancel;
Remarks
This event fires periodically during a file transfer operation to report its progress.
Use the Cancel parameter to terminate the transfer if needed.
TextDataLine Event (FTPClient Module)
Reports next transferred data line.
Syntax
func onTextDataLine(textLine: String)
- (void)onTextDataLine:(NSString*)textLine;
Remarks
The class fires this event in series when transferring a file in ASCII mode to report each line being transferred.
TLSCertNeeded Event (FTPClient Module)
Fires when a remote TLS party requests a client certificate.
Syntax
- (void)onTLSCertNeeded:(NSString*)host :(NSString*)CANames;
Remarks
This event fires to notify the implementation that a remote TLS server has requested a client certificate. The Host parameter identifies the host that makes a request, and the CANames (optional, according to the TLS spec) advises on the accepted issuing CAs.
Use the TLSClientChain property in response to this event to provide the requested certificate. Please make sure the client certificate includes the associated private key. Note that you may set the certificates before the connection without waiting for this event to fire.
This event is preceded by the TLSHandshake event for the given host and, if the certificate was accepted, succeeded by the TLSEstablished event.
TLSCertValidate Event (FTPClient Module)
This event is fired upon receipt of the TLS server's certificate, allowing the user to control its acceptance.
Syntax
func onTLSCertValidate(serverHost: String, serverIP: String, accept: inout Bool)
- (void)onTLSCertValidate:(NSString*)serverHost :(NSString*)serverIP :(int*)accept;
Remarks
This event is fired during a TLS handshake. Use TLSServerChain property to access the certificate chain. In general case, components may contact a number of TLS endpoints during their work, depending on their configuration.
Accept is assigned in accordance with the outcome of the internal validation check performed by the component, and can be adjusted if needed.
TLSEstablished Event (FTPClient Module)
Fires when a TLS handshake with Host successfully completes.
Syntax
func onTLSEstablished(host: String, version: String, ciphersuite: String, connectionId: Data, abort: inout Bool)
- (void)onTLSEstablished:(NSString*)host :(NSString*)version :(NSString*)ciphersuite :(NSData*)connectionId :(int*)abort;
Remarks
The class uses this event to notify the application about successful completion of a TLS handshake.
The Version, Ciphersuite, and ConnectionId parameters indicate security parameters of the new connection. Use the Abort parameter if you need to terminate the connection at this stage.
TLSHandshake Event (FTPClient Module)
Fires when a new TLS handshake is initiated, before the handshake commences.
Syntax
func onTLSHandshake(host: String, abort: inout Bool)
- (void)onTLSHandshake:(NSString*)host :(int*)abort;
Remarks
The class uses this event to notify the application about the start of a new TLS handshake to Host. If the handshake is successful, this event will be followed with TLSEstablished event. If the server chooses to request a client certificate, TLSCertNeeded event will also be fired.
TLSPSK Event (FTPClient Module)
Notifies the application about the PSK key exchange.
Syntax
Remarks
The class fires this event to notify the application about the beginning of TLS-PSK key exchange with Host. The Hint parameter may be used by the server to identify the key or service to use. Use the PreSharedKey field of TLSSettings to provide the pre-shared key to the component.
TLSShutdown Event (FTPClient Module)
Reports the graceful closure of a TLS connection.
Syntax
func onTLSShutdown(host: String)
- (void)onTLSShutdown:(NSString*)host;
Remarks
This event notifies the application about the closure of an earlier established TLS connection. Note that only graceful connection closures are reported.
Certificate Type
Provides details of an individual X.509 certificate.
Remarks
This type provides access to X.509 certificate details.
Fields
bytes Data |
Returns raw certificate data in DER format. |
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ca Bool |
Indicates whether the certificate has a CA capability (a setting in BasicConstraints extension). |
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caKeyID Data |
A unique identifier (fingerprint) of the CA certificate's private key. Authority Key Identifier is a (non-critical) X.509 certificate extension which allows the identification of certificates produced by the same issuer, but with different public keys. |
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crlDistributionPoints String |
Locations of the CRL (Certificate Revocation List) distribution points used to check this certificate's validity. |
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curve String |
Specifies the elliptic curve of the EC public key.
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fingerprint Data |
Contains the fingerprint (a hash imprint) of this certificate. |
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friendlyName String |
Contains an associated alias (friendly name) of the certificate. |
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handle Int64 |
Allows to get or set a 'handle', a unique identifier of the underlying property object. Use this property to assign objects of the same type in a quicker manner, without copying them fieldwise. When you pass a handle of one object to another, the source object is copied to the destination rather than assigned. It is safe to get rid of the original object
after such operation.
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hashAlgorithm String |
Specifies the hash algorithm to be used in the operations on the certificate (such as key signing)
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issuer String |
The common name of the certificate issuer (CA), typically a company name. |
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issuerRDN String |
A collection of information, in the form of [OID, Value] pairs, uniquely identifying the certificate issuer. |
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keyAlgorithm String |
Specifies the public key algorithm of this certificate.
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keyBits Int32 |
Returns the length of the public key. |
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keyFingerprint Data |
Returns a fingerprint of the public key contained in the certificate. |
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keyUsage Int32 |
Indicates the purposes of the key contained in the certificate, in the form of an OR'ed flag set. This value is a bit mask of the following values:
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keyValid Bool |
Returns True if the certificate's key is cryptographically valid, and False otherwise. |
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ocspLocations String |
Locations of OCSP (Online Certificate Status Protocol) services that can be used to check this certificate's validity, as recorded by the CA. |
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ocspNoCheck Bool |
Accessor to the value of the certificates ocsp-no-check extension. |
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origin Int32 |
Returns the origin of this certificate. |
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policyIDs String |
Contains identifiers (OIDs) of the applicable certificate policies. The Certificate Policies extension identifies a sequence of policies under which the certificate has been issued, and which regulate its usage. |
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privateKeyBytes Data |
Contains the certificate's private key. It is normal for this property to be empty if the private key is non-exportable. |
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privateKeyExists Bool |
Indicates whether the certificate has an associated private key. |
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privateKeyExtractable Bool |
Indicates whether the private key is extractable |
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publicKeyBytes Data |
Contains the certificate's public key in DER format. |
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qualifiedStatements QualifiedStatementsTypes |
Returns the qualified status of the certificate. |
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selfSigned Bool |
Indicates whether the certificate is self-signed (root) or signed by an external CA. |
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serialNumber Data |
Returns the certificate's serial number. |
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sigAlgorithm String |
Indicates the algorithm that was used by the CA to sign this certificate. |
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subject String |
The common name of the certificate holder, typically an individual's name, a URL, an e-mail address, or a company name. |
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subjectAlternativeName String |
Returns or sets the value of the Subject Alternative Name extension of the certificate. |
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subjectKeyID Data |
Contains a unique identifier (fingerprint) of the certificate's private key. Subject Key Identifier is a (non-critical) X.509 certificate extension which allows the identification of certificates containing a particular public key. In SecureBlackbox, the unique identifier is represented with a SHA1 hash of the bit string of the subject public key. |
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subjectRDN String |
A collection of information, in the form of [OID, Value] pairs, uniquely identifying the certificate holder (subject). |
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validFrom String |
The time point at which the certificate becomes valid, in UTC. |
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validTo String |
The time point at which the certificate expires, in UTC. |
Constructors
public init(stream: )
Loads the X.509 certificate from a stream. Stream is a stream containing the certificate data.
public init()
Creates a new object with default field values.
ConnectionInfo Type
Contains information about a network connection.
Remarks
Use this property to check various details of the network connection. These include the total amounts of data transferred, the availability of TLS, and its parameters.
Fields
aeadCipher Bool |
Indicates whether the encryption algorithm used is an AEAD cipher. |
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chainValidationDetails Int32 |
The details of a certificate chain validation outcome. They may often suggest what reasons that contributed to the overall validation result. Returns a bit mask of the following options:
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chainValidationResult ChainValidities |
The outcome of a certificate chain validation routine. Available options:
Use the ValidationLog property to access the detailed validation log. |
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ciphersuite String |
The cipher suite employed by this connection. For TLS connections, this property returns the ciphersuite that was/is employed by the connection. |
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clientAuthenticated Bool |
Specifies whether client authentication was performed during this connection. |
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clientAuthRequested Bool |
Specifies whether client authentication was requested during this connection. |
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connectionEstablished Bool |
Indicates whether the connection has been established fully. |
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connectionID Data |
The unique identifier assigned to this connection. |
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digestAlgorithm String |
The digest algorithm used in a TLS-enabled connection. |
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encryptionAlgorithm String |
The symmetric encryption algorithm used in a TLS-enabled connection. |
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exportable Bool |
Indicates whether a TLS connection uses a reduced-strength exportable cipher. |
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keyExchangeAlgorithm String |
The key exchange algorithm used in a TLS-enabled connection. |
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keyExchangeKeyBits Int32 |
The length of the key exchange key of a TLS-enabled connection. |
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namedECCurve String |
The elliptic curve used in this connection. |
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pfsCipher Bool |
Indicates whether the chosen ciphersuite provides perfect forward secrecy (PFS). |
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preSharedIdentityHint String |
A hint professed by the server to help the client select the PSK identity to use. |
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publicKeyBits Int32 |
The length of the public key. |
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resumedSession Bool |
Indicates whether a TLS-enabled connection was spawned from another TLS connection |
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secureConnection Bool |
Indicates whether TLS or SSL is enabled for this connection. |
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serverAuthenticated Bool |
Indicates whether server authentication was performed during a TLS-enabled connection. |
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signatureAlgorithm String |
The signature algorithm used in a TLS handshake. |
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symmetricBlockSize Int32 |
The block size of the symmetric algorithm used. |
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symmetricKeyBits Int32 |
The key length of the symmetric algorithm used. |
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totalBytesReceived Int64 |
The total number of bytes received over this connection. |
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totalBytesSent Int64 |
The total number of bytes sent over this connection. |
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validationLog String |
Contains the server certificate's chain validation log. This information may be very useful in investigating chain validation failures. |
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version String |
Indicates the version of SSL/TLS protocol negotiated during this connection. |
Constructors
public init()
Creates a new ConnectionInfo object.
CRL Type
Represents a Certificate Revocation List.
Remarks
CRLs store information about revoked certificates, i.e., certificates that have been identified as invalid by their issuing certificate authority (CA) for any number of reasons.
Each CRL object lists certificates from a single CA and identifies them by their serial numbers. A CA may or may not publish a CRL, may publish several CRLs, or may publish the same CRL in multiple locations.
Unlike OCSP responses, CRLs only list certificates that have been revoked. They do not list certificates that are still valid.
Fields
bytes Data |
Returns raw CRL data in DER format. |
caKeyID Data |
A unique identifier (fingerprint) of the CA certificate's private key, if present in the CRL. |
entryCount Int32 |
Returns the number of certificate status entries in the CRL. |
handle Int64 |
Allows to get or set a 'handle', a unique identifier of the underlying property object. Use this property to assign objects of the same type in a quicker manner, without copying them fieldwise. When you pass a handle of one object to another, the source object is copied to the destination rather than assigned. It is safe to get rid of the original object
after such operation.
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issuer String |
The common name of the CRL issuer (CA), typically a company name. |
issuerRDN String |
A collection of information, in the form of [OID, Value] pairs, uniquely identifying the CRL issuer. |
location String |
The URL that the CRL was downloaded from. |
nextUpdate String |
The planned time and date of the next version of this CRL to be published. |
sigAlgorithm String |
The public key algorithm that was used by the CA to sign this CRL. |
tbs Data |
The to-be-signed part of the CRL (the CRL without the signature part). |
thisUpdate String |
The date and time at which this version of the CRL was published. |
Constructors
public init()
Creates an empty CRL object.
ExternalCrypto Type
Specifies the parameters of external cryptographic calls.
Remarks
External cryptocalls are used in a Distributed Cryptography (DC) subsystem, which allows the delegation of security operations to the remote agent. For instance, it can be used to compute the signature value on the server, while retaining the client's private key locally.
Fields
asyncDocumentID String |
Specifies an optional document ID for SignAsyncBegin() and SignAsyncEnd() calls. Use this property when working with multi-signature DCAuth requests and responses to uniquely identify documents signed within a larger batch. On the completion stage, this value helps the signing component identify the correct signature in the returned batch of responses. If using batched requests, make sure to set this property to the same value on both pre-signing (SignAsyncBegin) and completion (SignAsyncEnd) stages. |
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customParams String |
Custom parameters to be passed to the signing service (uninterpreted). |
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data String |
Additional data to be included in the async state and mirrored back by the requestor |
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externalHashCalculation Bool |
Specifies whether the message hash is to be calculated at the external endpoint. Please note that this mode is not supported by all components. In particular, components operating with larger objects (PDFSigner, CAdESSigner, XAdESSigner) do not support it. |
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hashAlgorithm String |
Specifies the request's signature hash algorithm.
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keyID String |
The ID of the pre-shared key used for DC request authentication. Asynchronous DCAuth-driven communication requires that parties authenticate each other with a secret pre-shared cryptographic key. This provides extra protection layer for the protocol and diminishes the risk of private key becoming abused by foreign parties. Use this property to provide the pre-shared key identifier, and use to pass the key itself. The same KeyID/KeySecret pair should be used on the DCAuth side for the signing requests to be accepted. Note: The KeyID/KeySecret scheme is very similar to the AuthKey scheme used in various Cloud service providers to authenticate users. Example:
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keySecret String |
The pre-shared key used for DC request authentication. This key must be set and match the key used by the DCAuth counterpart for the scheme to work. |
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method AsyncSignMethods |
Specifies the asynchronous signing method. This is typically defined by the DC server capabilities and setup. Available options:
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mode ExternalCryptoModes |
Specifies the external cryptography mode. Available options:
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publicKeyAlgorithm String |
Provide public key algorithm here if the certificate is not available on the pre-signing stage.
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Constructors
public init()
Creates a new ExternalCrypto object with default field values.
FTPListEntry Type
Represents a basic container for the remote file details.
Remarks
The class represents the details of a file entry returned by the FTP server.
Fields
entryFormat FTPFileFormats |
The file listing format:
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fileDate String |
File last modification date. |
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fileType FTPFileTypes |
The type of the entry:
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handle Int64 |
Allows to get or set a 'handle', a unique identifier of the underlying property object. Use this property to assign objects of the same type in a quicker manner, without copying them fieldwise. When you pass a handle of one object to another, the source object is copied to the destination rather than assigned. It is safe to get rid of the original object
after such operation.
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name String |
The file or directory name. |
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path String |
The full path to the file or directory. |
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rawData String |
The unparsed entry as returned by the server. |
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size Int64 |
File size in bytes. |
Constructors
public init()
Creates a new FTPListEntry object.
OCSPResponse Type
Represents a single OCSP response originating from an OCSP responder.
Remarks
OCSP is a protocol that allows verification of certificate status in real-time, and is an alternative to Certificate Revocation Lists (CRL).
An OCSP response is a snapshot of the certificate status at a given time.
Fields
bytes Data |
Buffer containing raw OCSP response data. |
entryCount Int32 |
The number of SingleResponse elements contained in this OCSP response. Each SingleResponse element corresponds to a certificate status. |
handle Int64 |
Allows to get or set a 'handle', a unique identifier of the underlying property object. Use this property to assign objects of the same type in a quicker manner, without copying them fieldwise. When you pass a handle of one object to another, the source object is copied to the destination rather than assigned. It is safe to get rid of the original object
after such operation.
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issuer String |
Indicates the issuer of this response (a CA or its authorized representative). |
issuerRDN String |
Indicates the RDN of the issuer of this response (a CA or its authorized representative). |
location String |
Location of the OCSP responder. |
producedAt String |
Specifies the time when the response was produced, in UTC. |
Constructors
public init()
Creates an empty OCSP response object.
ProxySettings Type
A container for proxy server settings.
Remarks
This type exposes a collection of properties for tuning up the proxy server configuration.
Fields
address String |
The IP address of the proxy server. |
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authentication ProxyAuthTypes |
The authentication type used by the proxy server.
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password String |
The password to authenticate to the proxy server. |
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port Int32 |
The port on the proxy server to connect to. |
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proxyType ProxyTypes |
The type of the proxy server. The WebTunnel proxy is also known as HTTPS proxy. Unlike HTTP proxy, HTTPS proxy (WebTunnel) provides end-to-end security.
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requestHeaders String |
Contains HTTP request headers for WebTunnel and HTTP proxy. |
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responseBody String |
Contains the HTTP or HTTPS (WebTunnel) proxy response body. |
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responseHeaders String |
Contains response headers received from an HTTP or HTTPS (WebTunnel) proxy server. |
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useIPv6 Bool |
Specifies whether IPv6 should be used when connecting through the proxy. |
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useProxy Bool |
Enables or disables proxy-driven connection. |
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username String |
Specifies the username credential for proxy authentication. |
Constructors
public init()
Creates a new ProxySettings object.
SocketSettings Type
A container for the socket settings.
Remarks
This type is a container for socket-layer parameters.
Fields
dnsMode DNSResolveModes |
Selects the DNS resolver to use: the component's (secure) built-in one, or the one provided by the system.
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dnsPort Int32 |
Specifies the port number to be used for sending queries to the DNS server. |
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dnsQueryTimeout Int32 |
The timeout (in milliseconds) for each DNS query. The value of 0 indicates the infinite timeout. |
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dnsServers String |
The addresses of DNS servers to use for address resolution, separated by commas or semicolons. |
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dnsTotalTimeout Int32 |
The timeout (in milliseconds) for the whole resolution process. The value of 0 indicates the infinite timeout. |
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incomingSpeedLimit Int32 |
The maximum number of bytes to read from the socket, per second. |
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localAddress String |
The local network interface to bind the socket to. |
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localPort Int32 |
The local port number to bind the socket to. |
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outgoingSpeedLimit Int32 |
The maximum number of bytes to write to the socket, per second. |
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timeout Int32 |
The maximum period of waiting, in milliseconds, after which the socket operation is considered unsuccessful. If Timeout is set to 0, a socket operation will expire after the system-default timeout (2 hrs 8 min for TCP stack). |
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useIPv6 Bool |
Enables or disables IP protocol version 6. |
Constructors
public init()
Creates a new SocketSettings object.
TLSSettings Type
A container for TLS connection settings.
Remarks
TLS (Transport Layer Security) protocol provides security for information exchanged over insecure connections such as TCP/IP.
Fields
autoValidateCertificates Bool |
Specifies whether server-side TLS certificates should be validated automatically using internal validation rules. |
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baseConfiguration SecureTransportPredefinedConfigurations |
Selects the base configuration for the TLS settings. Several profiles are on offer, tuned up for different purposes, such as high security or higher compatibility.
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ciphersuites String |
A list of ciphersuites separated with commas or semicolons. Each ciphersuite in the list may be prefixed with a minus sign (-) to indicate that the ciphersuite should be disabled rather than enabled. Besides the specific ciphersuite modifiers, this property supports the all (and -all) aliases that allow to blanketly enable or disable all ciphersuites at once. Note: the list of ciphersuites provided to this property alters the baseline list of ciphersuites as defined by BaseConfiguration. Remember to start your ciphersuite string with -all; if you need to only enable a specific fixed set of ciphersuites. The list of supported ciphersuites is provided below:
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ecCurves String |
Defines the elliptic curves to enable. |
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extensions String |
Provides access to TLS extensions. |
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forceResumeIfDestinationChanges Bool |
Whether to force TLS session resumption when the destination address changes. |
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preSharedIdentity String |
Defines the identity used when the PSK (Pre-Shared Key) key-exchange mechanism is negotiated. |
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preSharedKey String |
Contains the pre-shared for the PSK (Pre-Shared Key) key-exchange mechanism, encoded with base16. |
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preSharedKeyCiphersuite String |
Defines the ciphersuite used for PSK (Pre-Shared Key) negotiation. |
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renegotiationAttackPreventionMode RenegotiationAttackPreventionModes |
Selects renegotiation attack prevention mechanism. The following options are available:
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revocationCheck RevocationCheckKinds |
Specifies the kind(s) of revocation check to perform. Revocation checking is necessary to ensure the integrity of the chain and obtain up-to-date certificate validity and trustworthiness information.
This setting controls the way the revocation checks are performed. Typically certificates come with two types of revocation information sources: CRL (certificate revocation lists) and OCSP responders. CRLs are static objects periodically published by the CA at some online location. OCSP responders are active online services maintained by the CA that can provide up-to-date information on certificate statuses in near real time. There are some conceptual differences between the two. CRLs are normally larger in size. Their use involves some latency because there is normally some delay between the time when a certificate was revoked and the time the subsequent CRL mentioning that is published. The benefits of CRL is that the same object can provide statuses for all certificates issued by a particular CA, and that the whole technology is much simpler than OCSP (and thus is supported by more CAs). This setting lets you adjust the validation course by including or excluding certain types of revocation sources from the validation process. The crcAnyOCSPOrCRL setting (give preference to faster OCSP route and only demand one source to succeed) is a good choice for most of typical validation environments. The "crcAll*" modes are much stricter, and may be used in scenarios where bulletproof validity information is essential. |
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sslOptions Int32 |
Various SSL (TLS) protocol options, set of
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tlsMode SSLModes |
Specifies the TLS mode to use.
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useExtendedMasterSecret Bool |
Enables Extended Master Secret Extension, as defined in RFC 7627. |
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useSessionResumption Bool |
Enables or disables TLS session resumption capability. |
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versions Int32 |
Th SSL/TLS versions to enable by default.
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Constructors
public init()
Creates a new TLSSettings object.
Config Settings (FTPClient Module)
The class accepts one or more of the following configuration settings. Configuration settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.FTPClient Config Settings | ||||||||||||||||||||||||||||||
AuthCmd: Authorization command to be used to request an explicit SSL session.Use this property to specify the authorization command that will be used to request an explicit SSL session. The following choices are possible: 0 - Auto, 1 - TLS, 2 - SSL, 3 - TLSP, 4 - TLSC. Different servers support different commands, so in most cases it is a good idea to set this property to 0. | ||||||||||||||||||||||||||||||
CaseConversion: Whether file names and paths should be case-converted.Defines whether file names are converted (on the destination system) to: lowercase (1), uppercase (2). | ||||||||||||||||||||||||||||||
CaseSensitive: Case-sensitivity of file names and paths.Whether file paths and names are case-sensitive. | ||||||||||||||||||||||||||||||
CloseQuietly: Set this to true to avoid sending QUIT command on session closure.Set this property to true to tell the component not to send the QUIT command when closing the connection. | ||||||||||||||||||||||||||||||
ConcurrentConnections: Number of simultaneous connections for download.The maximum number of concurrent connections that may be opened for download. This feature is not available if the server does not support file size requests. | ||||||||||||||||||||||||||||||
CopyMode: What to do with the originals of the copied files.Defines what to do with the originals of the files which have been copied. You can choose to just leave them, delete each original right after it has been copied, or delete files only when all of them have been transferred. | ||||||||||||||||||||||||||||||
ErrorOrigin: Specifies where the error has been originated.Specifies where the error has been originated, on the server or client side. | ||||||||||||||||||||||||||||||
ErrorSeverity: Error severity.Specifies whether a warning or an error encountered. | ||||||||||||||||||||||||||||||
EventOrigin: Indicates the channel that has fired the event.Check this read-only property in event handlers to identify whether the event originates from the FTP protocol's control or data channel. While some events are channel-independent (FileOperation, ListEntry), and some other are explicitly bound to the control channel (ControlSend, ControlReceive), some events may be thrown from either. Two examples of such events are CertificateValidate and RemoteSign. The property can be set to one of the following values: feoUnknown (0), feoControl (1), feoData (2). | ||||||||||||||||||||||||||||||
ExtHOSTSupported: Whether HOST extension is supported.Use this read-only property to check whether the FTP server supports HOST command. | ||||||||||||||||||||||||||||||
ExtMDTMSupported: Whether MDTM extension is supported.Use this read-only property to check whether the FTP server supports MDTM command. The MDTM command is used to determine file modification date. | ||||||||||||||||||||||||||||||
ExtMFMTSupported: Whether MFMT extension is supported.Use this read-only property to check whether the FTP server supports MFMT (Modify Fact: Modification Time) command. | ||||||||||||||||||||||||||||||
ExtMLSTSupported: Whether MLST extension is supported.Use this read-only property to check whether the FTP server supports MLST command. This command lists the directory contents on the server, although it is different from the LIST command. In particular, MLST reply has a strictly defined format. | ||||||||||||||||||||||||||||||
ExtOPTSUTF8Supported: Whether OPTS UTF8 extension is supported.Use this read-only property to check whether the FTP server supports OPTS UTF8 ON command. This command switches the server to UTF8. | ||||||||||||||||||||||||||||||
ExtRESTSupported: Whether REST extension is supported.Use this read-only property to check whether the FTP server supports REST (RESTART) command. | ||||||||||||||||||||||||||||||
ExtSIZESupported: Whether SIZE extension is supported.Use this read-only property to check whether the FTP server supports SIZE command. This command returns file size. | ||||||||||||||||||||||||||||||
ExtXCRCSupported: Whether XCRC extension is supported.Use this read-only property to check whether the FTP server supports XCRC command. It calculates a CRC checksum of the file to check its integrity during transfer. | ||||||||||||||||||||||||||||||
ExtXMD5Supported: Whether XMD5 extension is supported.Use this read-only property to check whether the FTP server supports XMD5 command. It calculates an MD5 checksum of a file to check its integrity during transfer. | ||||||||||||||||||||||||||||||
FTPBufferSize: Buffer size in binary mode.The size of the memory buffer used for data transfer in binary mode. Changing the buffer size may increase (or, on the contrary, decrease) the speed of file download/upload. | ||||||||||||||||||||||||||||||
FTPTextBufferSize: Buffer size in text mode.The size of the memory buffer used for data transfer in text mode. Changing the buffer size may increase (or, on the contrary, decrease) the speed of file download/upload. | ||||||||||||||||||||||||||||||
IgnoreSystemTrust:
Whether trusted Windows Certificate Stores should be treated as trusted.Specifies whether, during chain validation, the component should respect
the trust to CA certificates as configured in the operating system.
In Windows this effectively defines whether the component should trust the
certificates residing in the Trusted Root Certification Authorities store.
If IgnoreSystemTrust is True, certificates residing in the trusted root store are treated as if they are known, rather than trusted. Only certificates provided via other means (such as TrustedCertificates property) are considered trusted. |
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ListenTimeout: Listening socket timeout.The maximum time during which the listening socket will be opened in the active mode. If there is no connection request from the server during this time, the transfer operation will be canceled. | ||||||||||||||||||||||||||||||
LocalNewLineConvention: Defines the local newline convention.Contains character string for the end of string indication used on the local machine. During file upload all the LocalNewLineConvention line endings are converted to newline endings used on the server. Correspondingly, for all downloaded files line endings are replaced with LocalNewLineConventionline endings. Line ending conventions are only used in text transfer mode. | ||||||||||||||||||||||||||||||
MinSizeForConcurrentDownload: Files bigger than this size will be downloaded concurrently.The minimum size of the file for which the concurrent download is used. The value of ConcurrentConnections property is ignored for smaller files. | ||||||||||||||||||||||||||||||
Mode: What to do if the destination file already exists.Specifies what to do if the destination file already exists. You can choose to: overwrite, append, resume, overwrite only if the destination file's size is different, save with a new name, or rename the existing destination file. | ||||||||||||||||||||||||||||||
Options: Various FTP options.Various options of FTP connection. | ||||||||||||||||||||||||||||||
Recursive: Whether to scan subdirectories.Whether the subdirectories should also be scanned for matching files. | ||||||||||||||||||||||||||||||
TempPath: Path for storing temporary files.This setting specifies an absolute path to the location on disk where temporary files are stored. | ||||||||||||||||||||||||||||||
TolerateMinorChainIssues:
Whether to tolerate minor chain issues.This parameter controls whether the chain validator should tolerate minor technical issues when validating the chain. Those are:
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TransferKeepAliveInterval: Keep-alive interval for the data channel transfers.FTPClient may be configured to send occasional NOOP commands on the control channel to circumvent control channel closures by firewalls due to inactivity. This setting sets the period, in milliseconds, after which another NOOP request is sent. The default value of this property is 0, which stands for no NOOP requests. | ||||||||||||||||||||||||||||||
TransferTimeout: Timeout for data transfer in active mode.In active mode, specifies a time period that a client should wait for incoming data connection (when file or directory listing is to be transferred). If no data connection is accepted during this period, the data connection will be cancelled. | ||||||||||||||||||||||||||||||
UseMicrosoftCTL: Enables or disables automatic use of Microsoft online certificate trust list.Enable this property to make the chain validation module automatically look up missing CA certificates in the public Windows Update repository. | ||||||||||||||||||||||||||||||
UseProxySettingsForDataChannel: Whether the proxy settings should be applied to data channel.Whether the proxy settings should be applied to data channel. | ||||||||||||||||||||||||||||||
UseSystemCertificates: Enables or disables the use of the system certificates.Use this property to tell chain validation module automatically look up missing CA certificates in the system certificates. In many cases it is beneficial to switch this property on, as the operating system certificate configuration provides a representative trust framework. | ||||||||||||||||||||||||||||||
Base Config Settings | ||||||||||||||||||||||||||||||
CheckKeyIntegrityBeforeUse:
Enables or disable private key integrity check before use.This global property enables or disables private key material check before each signing operation. This slows down performance a bit,
but prevents a selection of attacks on RSA keys where keys with unknown origins are used.
You can switch this property off to improve performance if your project only uses known, good private keys. |
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CookieCaching:
Specifies whether a cookie cache should be used for HTTP(S) transports.Set this property to enable or disable cookies caching for the class.
Supported values are:
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Cookies: Gets or sets local cookies for the class (supported for HTTPClient, RESTClient and SOAPClient only).Use this property to get cookies from the internal cookie storage of the class and/or restore them back between application sessions. | ||||||||||||||||||||||||||||||
DefDeriveKeyIterations: Specifies the default key derivation algorithm iteration count.This global property sets the default number of iterations for all supported key derivation algorithms. Note that you can provide the required number of iterations by using properties of the relevant key generation component; this global setting is used in scenarios where specific iteration count is not or cannot be provided. | ||||||||||||||||||||||||||||||
EnableClientSideSSLFFDHE:
Enables or disables finite field DHE key exchange support in TLS clients.This global property enables or disables support for finite field DHE key exchange methods in TLS clients. FF DHE is a slower
algorithm if compared to EC DHE; enabling it may result in slower connections.
This setting only applies to sessions negotiated with TLS version 1.3. |
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GlobalCookies: Gets or sets global cookies for all the HTTP transports.Use this property to get cookies from the GLOBAL cookie storage or restore them back between application sessions. These cookies will be used by all the classes that have its CookieCaching property set to "global". | ||||||||||||||||||||||||||||||
HttpUserAgent: Specifies the user agent name to be used by all HTTP clients.This global setting defines the User-Agent field of the HTTP request provides information about the software that initiates the request. This value will be used by all the HTTP clients including the ones used internally in other classes. | ||||||||||||||||||||||||||||||
LogDestination:
Specifies the debug log destination.Contains a comma-separated list of values that specifies where debug log should be dumped.
Supported values are:
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LogDetails:
Specifies the debug log details to dump.Contains a comma-separated list of values that specifies which debug log details to dump.
Supported values are:
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LogFile: Specifies the debug log filename.Use this property to provide a path to the log file. | ||||||||||||||||||||||||||||||
LogFilters:
Specifies the debug log filters.Contains a comma-separated list of value pairs ("name:value") that describe filters.
Supported filter names are:
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LogFlushMode:
Specifies the log flush mode.Use this property to set the log flush mode. The following values are defined:
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LogLevel:
Specifies the debug log level.Use this property to provide the desired debug log level.
Supported values are:
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LogMaxEventCount:
Specifies the maximum number of events to cache before further action is taken.Use this property to specify the log event number threshold. This threshold may have different effects,
depending on the rotation setting and/or the flush mode.
The default value of this setting is 100. |
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LogRotationMode:
Specifies the log rotation mode.Use this property to set the log rotation mode. The following values are defined:
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MaxASN1BufferLength: Specifies the maximal allowed length for ASN.1 primitive tag data.This global property limits the maximal allowed length for ASN.1 tag data for non-content-carrying structures, such as certificates, CRLs, or timestamps. It does not affect structures that can carry content, such as CMS/CAdES messages. This is a security property aiming at preventing DoS attacks. | ||||||||||||||||||||||||||||||
MaxASN1TreeDepth: Specifies the maximal depth for processed ASN.1 trees.This global property limits the maximal depth of ASN.1 trees that the component can handle without throwing an error. This is a security property aiming at preventing DoS attacks. | ||||||||||||||||||||||||||||||
OCSPHashAlgorithm: Specifies the hash algorithm to be used to identify certificates in OCSP requests.This global setting defines the hash algorithm to use in OCSP requests during chain validation. Some OCSP responders can only use older algorithms, in which case setting this property to SHA1 may be helpful. | ||||||||||||||||||||||||||||||
Tag: Allows to store any custom data.Use this config property to store any custom data. | ||||||||||||||||||||||||||||||
UseOwnDNSResolver: Specifies whether the client components should use own DNS resolver.Set this global property to false to force all the client components to use the DNS resolver provided by the target OS instead of using own one. | ||||||||||||||||||||||||||||||
UseSharedSystemStorages: Specifies whether the validation engine should use a global per-process copy of the system certificate stores.Set this global property to false to make each validation run use its own copy of system certificate stores. | ||||||||||||||||||||||||||||||
UseSystemOAEPAndPSS:
Enforces or disables the use of system-driven RSA OAEP and PSS computations.This global setting defines who is responsible for performing RSA-OAEP and RSA-PSS computations where the private key is stored in a Windows system store and is exportable.
If set to true, SBB will delegate the computations to Windows via a CryptoAPI call. Otherwise, it will export the key material and perform the computations
using its own OAEP/PSS implementation.
This setting only applies to certificates originating from a Windows system store. |
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UseSystemRandom: Enables or disables the use of the OS PRNG.Use this global property to enable or disable the use of operating system-driven pseudorandom number generation. |
Trappable Errors (FTPClient Module)
FTPClient Errors
1048577 Invalid parameter value (SB_ERROR_INVALID_PARAMETER) | |
1048578 Class is configured incorrectly (SB_ERROR_INVALID_SETUP) | |
1048579 Operation cannot be executed in the current state (SB_ERROR_INVALID_STATE) | |
1048580 Attempt to set an invalid value to a property (SB_ERROR_INVALID_VALUE) | |
1048581 Certificate does not have its private key loaded (SB_ERROR_NO_PRIVATE_KEY) | |
1048581 Cancelled by the user (SB_ERROR_CANCELLED_BY_USER) | |
18874368 Unsupported file operation (SB_ERROR_FTP_UNSUPPORTED_FILEOPERATION) |