org.apache.sshd.common.config.keys.loader

Class AbstractKeyPairResourceParser

java.lang.Object

org.apache.sshd.common.util.logging.AbstractLoggingBean

org.apache.sshd.common.config.keys.loader.AbstractKeyPairResourceParser

All Implemented Interfaces:

KeyPairResourceLoader, KeyPairResourceParser

Direct Known Subclasses:

AbstractPEMResourceKeyPairParser, BouncyCastleKeyPairResourceParser, OpenSSHKeyPairResourceParser

public abstract class AbstractKeyPairResourceParser
extends AbstractLoggingBean
implements KeyPairResourceParser

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<java.lang.String>	beginners
private java.util.List<java.lang.String>	enders
private java.util.List<java.util.List<java.lang.String>>	endingMarkers

Fields inherited from class org.apache.sshd.common.util.logging.AbstractLoggingBean

log

Fields inherited from interface org.apache.sshd.common.config.keys.loader.KeyPairResourceParser

EMPTY

Fields inherited from interface org.apache.sshd.common.config.keys.loader.KeyPairResourceLoader

MAX_CIPHER_NAME_LENGTH, MAX_KEY_COMMENT_LENGTH, MAX_KEY_TYPE_NAME_LENGTH, MAX_PRIVATE_KEY_DATA_SIZE, MAX_PUBLIC_KEY_DATA_SIZE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractKeyPairResourceParser(java.util.List<java.lang.String> beginners, java.util.List<java.lang.String> enders)

Method Summary

Modifier and Type	Method and Description
boolean	canExtractKeyPairs(NamedResource resourceKey, java.util.List<java.lang.String> lines)
java.util.Collection<java.security.KeyPair>	extractKeyPairs(SessionContext session, NamedResource resourceKey, java.lang.String beginMarker, java.lang.String endMarker, FilePasswordProvider passwordProvider, byte[] bytes)
abstract java.util.Collection<java.security.KeyPair>	extractKeyPairs(SessionContext session, NamedResource resourceKey, java.lang.String beginMarker, java.lang.String endMarker, FilePasswordProvider passwordProvider, java.io.InputStream stream)
java.util.Collection<java.security.KeyPair>	extractKeyPairs(SessionContext session, NamedResource resourceKey, java.lang.String beginMarker, java.lang.String endMarker, FilePasswordProvider passwordProvider, java.util.List<java.lang.String> lines) Extracts the key pairs within a single delimited by markers block of lines.
java.util.List<java.lang.String>	getBeginners()
java.util.List<java.lang.String>	getEnders()
java.util.List<java.util.List<java.lang.String>>	getEndingMarkers()
java.util.Collection<java.security.KeyPair>	loadKeyPairs(SessionContext session, NamedResource resourceKey, FilePasswordProvider passwordProvider, java.util.List<java.lang.String> lines) Loads key pairs from the given resource text lines

Methods inherited from class org.apache.sshd.common.util.logging.AbstractLoggingBean

getSimplifiedLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.sshd.common.config.keys.loader.KeyPairResourceParser

aggregate, aggregate, containsMarkerLine, containsMarkerLine, extractDataBytes, findMarkerLine, findMarkerLine, joinDataLines

Methods inherited from interface org.apache.sshd.common.config.keys.loader.KeyPairResourceLoader

loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs, loadKeyPairs

Field Detail

beginners

private final java.util.List<java.lang.String> beginners

enders

private final java.util.List<java.lang.String> enders

endingMarkers

private final java.util.List<java.util.List<java.lang.String>> endingMarkers

Constructor Detail

AbstractKeyPairResourceParser

protected AbstractKeyPairResourceParser(java.util.List<java.lang.String> beginners,
                                        java.util.List<java.lang.String> enders)

Parameters:

beginners - The markers that indicate the beginning of a parsing block

enders - The matching (by position) markers that indicate the end of a parsing block

Method Detail

getBeginners

public java.util.List<java.lang.String> getBeginners()

getEnders

public java.util.List<java.lang.String> getEnders()

getEndingMarkers

public java.util.List<java.util.List<java.lang.String>> getEndingMarkers()

Returns:

A List of same size as the ending markers, where each ending marker is encapsulated inside a singleton list and resides as the same index as the marker it encapsulates

canExtractKeyPairs

public boolean canExtractKeyPairs(NamedResource resourceKey,
                                  java.util.List<java.lang.String> lines)
                           throws java.io.IOException,
                                  java.security.GeneralSecurityException

Specified by:

canExtractKeyPairs in interface KeyPairResourceParser

Parameters:

resourceKey - A hint as to the origin of the text lines

lines - The resource lines

Returns:

true if the parser can extract some key pairs from the lines

Throws:

java.io.IOException - If failed to process the lines

java.security.GeneralSecurityException - If failed to extract information regarding the possibility to extract the key pairs

loadKeyPairs

public java.util.Collection<java.security.KeyPair> loadKeyPairs(SessionContext session,
                                                                NamedResource resourceKey,
                                                                FilePasswordProvider passwordProvider,
                                                                java.util.List<java.lang.String> lines)
                                                         throws java.io.IOException,
                                                                java.security.GeneralSecurityException

Description copied from interface: KeyPairResourceLoader

Loads key pairs from the given resource text lines

Specified by:

loadKeyPairs in interface KeyPairResourceLoader

Parameters:

session - The SessionContext for invoking this load command - may be null if not invoked within a session context (e.g., offline tool or session unknown).

resourceKey - A hint as to the origin of the text lines

passwordProvider - The FilePasswordProvider to use in case the data is encrypted - may be null if no encrypted data is expected

lines - The List of lines as read from the resource

Returns:

The extracted KeyPairs - may be null/empty if none. Note: the resource loader may decide to skip unknown lines if more than one key pair type is encoded in it

Throws:

java.io.IOException - If failed to process the lines

java.security.GeneralSecurityException - If failed to generate the keys from the parsed data

extractKeyPairs

public java.util.Collection<java.security.KeyPair> extractKeyPairs(SessionContext session,
                                                                   NamedResource resourceKey,
                                                                   java.lang.String beginMarker,
                                                                   java.lang.String endMarker,
                                                                   FilePasswordProvider passwordProvider,
                                                                   java.util.List<java.lang.String> lines)
                                                            throws java.io.IOException,
                                                                   java.security.GeneralSecurityException

Extracts the key pairs within a single delimited by markers block of lines. By default cleans up the empty lines, joins them and converts them from BASE64

Parameters:

session - The SessionContext for invoking this load command - may be null if not invoked within a session context (e.g., offline tool or session unknown).

resourceKey - A hint as to the origin of the text lines

beginMarker - The line containing the begin marker

endMarker - The line containing the end marker

passwordProvider - The FilePasswordProvider to use in case the data is encrypted - may be null if no encrypted

lines - The block of lines between the markers

Returns:

The extracted KeyPairs - may be null/empty if none.

Throws:

java.io.IOException - If failed to parse the data

java.security.GeneralSecurityException - If failed to generate the keys

extractKeyPairs

public java.util.Collection<java.security.KeyPair> extractKeyPairs(SessionContext session,
                                                                   NamedResource resourceKey,
                                                                   java.lang.String beginMarker,
                                                                   java.lang.String endMarker,
                                                                   FilePasswordProvider passwordProvider,
                                                                   byte[] bytes)
                                                            throws java.io.IOException,
                                                                   java.security.GeneralSecurityException

Parameters:

session - The SessionContext for invoking this load command - may be null if not invoked within a session context (e.g., offline tool or session unknown).

resourceKey - A hint as to the origin of the text lines

beginMarker - The line containing the begin marker

endMarker - The line containing the end marker

passwordProvider - The FilePasswordProvider to use in case the data is encrypted - may be null if no encrypted

bytes - The decoded bytes from the lines containing the data

Returns:

The extracted KeyPairs - may be null/empty if none.

Throws:

java.io.IOException - If failed to parse the data

java.security.GeneralSecurityException - If failed to generate the keys

extractKeyPairs

public abstract java.util.Collection<java.security.KeyPair> extractKeyPairs(SessionContext session,
                                                                            NamedResource resourceKey,
                                                                            java.lang.String beginMarker,
                                                                            java.lang.String endMarker,
                                                                            FilePasswordProvider passwordProvider,
                                                                            java.io.InputStream stream)
                                                                     throws java.io.IOException,
                                                                            java.security.GeneralSecurityException

Parameters:

session - The SessionContext for invoking this load command - may be null if not invoked within a session context (e.g., offline tool or session unknown).

resourceKey - A hint as to the origin of the text lines

beginMarker - The line containing the begin marker

endMarker - The line containing the end marker

passwordProvider - The FilePasswordProvider to use in case the data is encrypted - may be null if no encrypted

stream - The decoded data InputStream

Returns:

The extracted KeyPairs - may be null/empty if none.

Throws:

java.io.IOException - If failed to parse the data

java.security.GeneralSecurityException - If failed to generate the keys