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Enable providing credentials for HTTP authentication 

This change is based on http://egit.eclipse.org/r/#change,1652
by David Green. The change adds the concept of a CredentialsProvider
which can be registered for git transports and which is
responsible to return credential-related data like passwords and
usernames. Whenenver the transports detects that an authentication
with certain credentials has to be done it will ask the
CredentialsProvider for this data. Foreseen implementations for
such a Provider may be a EGitCredentialsProvider (caching
credential data entered e.g. in the Clone-Wizzard) or a NetRcProvider
(gathering data out of ~/.netrc file).

Bug: 296201
Change-Id: Ibe13e546b45eed3e193c09ecb414bbec2971d362
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>
Signed-off-by: Stefan Lay <stefan.lay@sap.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
CC: David Green <dgreen99@gmail.com>
stable-0.10
Shawn O. Pearce 14 years ago
parent
20a5a34444
commit
308e074f65
10 changed files with 614 additions and 6 deletions
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  1. 27
      org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
  2. 3
      org.eclipse.jgit/resources/org/eclipse/jgit/JGitText.properties
  3. 3
      org.eclipse.jgit/src/org/eclipse/jgit/JGitText.java
  4. 69
      org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java
  5. 229
      org.eclipse.jgit/src/org/eclipse/jgit/transport/CredentialItem.java
  6. 109
      org.eclipse.jgit/src/org/eclipse/jgit/transport/CredentialsProvider.java
  7. 32
      org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java
  8. 23
      org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java
  9. 6
      org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java
  10. 119
      org.eclipse.jgit/src/org/eclipse/jgit/transport/UsernamePasswordCredentialsProvider.java

27
org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
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@ -60,6 +60,7 @@ import org.eclipse.jgit.http.server.GitServlet;
import org.eclipse.jgit.http.server.resolver.RepositoryResolver;
import org.eclipse.jgit.http.server.resolver.ServiceNotEnabledException;
import org.eclipse.jgit.http.test.util.AccessEvent;
import org.eclipse.jgit.http.test.util.AppServer;
import org.eclipse.jgit.http.test.util.HttpTestCase;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.Constants;
@ -71,6 +72,7 @@ import org.eclipse.jgit.storage.file.FileRepository;
import org.eclipse.jgit.transport.FetchConnection;
import org.eclipse.jgit.transport.Transport;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
public class HttpClientTests extends HttpTestCase {
private TestRepository<FileRepository> remoteRepository;
@ -290,6 +292,31 @@ public class HttpClientTests extends HttpTestCase {
}
}
public void testListRemote_Dumb_Auth() throws Exception {
Repository dst = createBareRepository();
Transport t = Transport.open(dst, dumbAuthBasicURI);
t.setCredentialsProvider(new UsernamePasswordCredentialsProvider(
AppServer.username, AppServer.password));
try {
t.openFetch();
} finally {
t.close();
}
t = Transport.open(dst, dumbAuthBasicURI);
t.setCredentialsProvider(new UsernamePasswordCredentialsProvider(
AppServer.username, ""));
try {
t.openFetch();
fail("connection opened even info/refs needs auth basic and we provide wrong password");
} catch (TransportException err) {
String exp = dumbAuthBasicURI + ": "
+ JGitText.get().notAuthorized;
assertEquals(exp, err.getMessage());
} finally {
t.close();
}
}
public void testListRemote_Smart_UploadPackNeedsAuth() throws Exception {
Repository dst = createBareRepository();
Transport t = Transport.open(dst, smartAuthBasicURI);

3
org.eclipse.jgit/resources/org/eclipse/jgit/JGitText.properties
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@ -124,7 +124,8 @@ couldNotWriteFile=Could not write file {0}
countingObjects=Counting objects
createBranchFailedUnknownReason=Create branch failed for unknown reason
createBranchUnexpectedResult=Create branch returned unexpected result {0}
creatingDeltasIsNotImplemented=creating deltas is not implemented
credentialPassword=Password
credentialUsername=Username
daemonAlreadyRunning=Daemon already running
deleteBranchUnexpectedResult=Delete branch returned unexpected result {0}
deletingNotSupported=Deleting {0} not supported.

3
org.eclipse.jgit/src/org/eclipse/jgit/JGitText.java
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@ -184,7 +184,8 @@ public class JGitText extends TranslationBundle {
/***/ public String countingObjects;
/***/ public String createBranchFailedUnknownReason;
/***/ public String createBranchUnexpectedResult;
/***/ public String creatingDeltasIsNotImplemented;
/***/ public String credentialPassword;
/***/ public String credentialUsername;
/***/ public String daemonAlreadyRunning;
/***/ public String deleteBranchUnexpectedResult;
/***/ public String deletingNotSupported;

69
org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java
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@ -0,0 +1,69 @@
/*
* Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com>,
* Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.errors;
import org.eclipse.jgit.transport.CredentialItem;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.URIish;
/**
* An exception thrown when a {@link CredentialItem} is requested from a
* {@link CredentialsProvider} which is not supported by this provider.
*/
public class UnsupportedCredentialItem extends RuntimeException {
private static final long serialVersionUID = 1L;
/**
* Constructs an UnsupportedCredentialItem with the specified detail message
* prefixed with provided URI.
*
* @param uri
* URI used for transport
* @param s
* message
*/
public UnsupportedCredentialItem(final URIish uri, final String s) {
super(uri.setPass(null) + ": " + s);
}
}

229
org.eclipse.jgit/src/org/eclipse/jgit/transport/CredentialItem.java
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@ -0,0 +1,229 @@
/*
* Copyright (C) 2010, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport;
import java.util.Arrays;
import org.eclipse.jgit.JGitText;
/**
* A credential requested from a {@link CredentialsProvider}.
*
* Most users should work with the specialized subclasses:
* <ul>
* <li>{@link Username} for usernames</li>
* <li>{@link Password} for passwords</li>
* <li>{@link StringType} for other general string information</li>
* <li>{@link CharArrayType} for other general secret information</li>
* </ul>
*
* This class is not thread-safe. Applications should construct their own
* instance for each use, as the value is held within the CredentialItem object.
*/
public abstract class CredentialItem {
private final String promptText;
private final boolean valueSecure;
/**
* Initialize a prompt.
*
* @param promptText
* prompt to display to the user alongside of the input field.
* Should be sufficient text to indicate what to supply for this
* item.
* @param maskValue
* true if the value should be masked from displaying during
* input. This should be true for passwords and other secrets,
* false for names and other public data.
*/
public CredentialItem(String promptText, boolean maskValue) {
this.promptText = promptText;
this.valueSecure = maskValue;
}
/** @return prompt to display to the user. */
public String getPromptText() {
return promptText;
}
/** @return true if the value should be masked when entered. */
public boolean isValueSecure() {
return valueSecure;
}
/** Clear the stored value, destroying it as much as possible. */
public abstract void clear();
/**
* An item whose value is stored as a string.
*
* When working with secret data, consider {@link CharArrayType} instead, as
* the internal members of the array can be cleared, reducing the chances
* that the password is left in memory after authentication is completed.
*/
public static class StringType extends CredentialItem {
private String value;
/**
* Initialize a prompt for a single string.
*
* @param promptText
* prompt to display to the user alongside of the input
* field. Should be sufficient text to indicate what to
* supply for this item.
* @param maskValue
* true if the value should be masked from displaying during
* input. This should be true for passwords and other
* secrets, false for names and other public data.
*/
public StringType(String promptText, boolean maskValue) {
super(promptText, maskValue);
}
@Override
public void clear() {
value = null;
}
/** @return the current value */
public String getValue() {
return value;
}
/**
*
* @param newValue
*/
public void setValue(String newValue) {
value = newValue;
}
}
/** An item whose value is stored as a char[] and is therefore clearable. */
public static class CharArrayType extends CredentialItem {
private char[] value;
/**
* Initialize a prompt for a secure value stored in a character array.
*
* @param promptText
* prompt to display to the user alongside of the input
* field. Should be sufficient text to indicate what to
* supply for this item.
* @param maskValue
* true if the value should be masked from displaying during
* input. This should be true for passwords and other
* secrets, false for names and other public data.
*/
public CharArrayType(String promptText, boolean maskValue) {
super(promptText, maskValue);
}
/** Destroys the current value, clearing the internal array. */
@Override
public void clear() {
if (value != null) {
Arrays.fill(value, (char) 0);
value = null;
}
}
/**
* Get the current value.
*
* The returned array will be cleared out when {@link #clear()} is
* called. Callers that need the array elements to survive should delay
* invoking {@code clear()} until the value is no longer necessary.
*
* @return the current value array. The actual internal array is
* returned, reducing the number of copies present in memory.
*/
public char[] getValue() {
return value;
}
/**
* Set the new value, clearing the old value array.
*
* @param newValue
* if not null, the array is copied.
*/
public void setValue(char[] newValue) {
clear();
if (newValue != null) {
value = new char[newValue.length];
System.arraycopy(newValue, 0, value, 0, newValue.length);
}
}
/**
* Set the new value, clearing the old value array.
*
* @param newValue
* the new internal array. The array is <b>NOT</b> copied.
*/
public void setValueNoCopy(char[] newValue) {
clear();
value = newValue;
}
}
/** Prompt for a username, which is not masked on input. */
public static class Username extends StringType {
/** Initialize a new username item, with a default username prompt. */
public Username() {
super(JGitText.get().credentialUsername, false);
}
}
/** Prompt for a password, which is masked on input. */
public static class Password extends CharArrayType {
/** Initialize a new password item, with a default password prompt. */
public Password() {
super(JGitText.get().credentialPassword, true);
}
}
}

109
org.eclipse.jgit/src/org/eclipse/jgit/transport/CredentialsProvider.java
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@ -0,0 +1,109 @@
/*
* Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com>,
* Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport;
import java.util.List;
import org.eclipse.jgit.errors.UnsupportedCredentialItem;
/**
* Provide credentials for use in connecting to Git repositories.
*
* Implementors are strongly encouraged to support at least the minimal
* {@link CredentialItem.Username} and {@link CredentialItem.Password} items.
* More sophisticated implementors may implement additional types, such as
* {@link CredentialItem.StringType}.
*
* CredentialItems are usually presented in bulk, allowing implementors to
* combine them into a single UI widget and streamline the authentication
* process for an end-user.
*
* @see UsernamePasswordCredentialsProvider
*/
public abstract class CredentialsProvider {
/**
* Check if the provider can supply the necessary {@link CredentialItem}s.
*
* @param items
* the items the application requires to complete authentication.
* @return {@code true} if this {@link CredentialsProvider} supports all of
* the items supplied.
*/
public abstract boolean supports(CredentialItem... items);
/**
* Ask for the credential items to be populated.
*
* @param uri
* the URI of the remote resource that needs authentication.
* @param items
* the items the application requires to complete authentication.
* @return {@code true} if the request was successful and values were
* supplied; {@code false} if the user canceled the request and did
* not supply all requested values.
* @throws UnsupportedCredentialItem
* if one of the items supplied is not supported.
*/
public abstract boolean get(URIish uri, CredentialItem... items)
throws UnsupportedCredentialItem;
/**
* Ask for the credential items to be populated.
*
* @param uri
* the URI of the remote resource that needs authentication.
* @param items
* the items the application requires to complete authentication.
* @return {@code true} if the request was successful and values were
* supplied; {@code false} if the user canceled the request and did
* not supply all requested values.
* @throws UnsupportedCredentialItem
* if one of the items supplied is not supported.
*/
public boolean get(URIish uri, List<CredentialItem> items)
throws UnsupportedCredentialItem {
return get(uri, items.toArray(new CredentialItem[items.size()]));
}
}

32
org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java
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@ -98,9 +98,37 @@ abstract class HttpAuthMethod {
*
* @param uri
* the URI used to create the connection.
* @param credentialsProvider
* the credentials provider, or null. If provided,
* {@link URIish#getPass() credentials in the URI} are ignored.
*
* @return true if the authentication method is able to provide
* authorization for the given URI
*/
void authorize(URIish uri) {
authorize(uri.getUser(), uri.getPass());
boolean authorize(URIish uri, CredentialsProvider credentialsProvider) {
String username;
String password;
if (credentialsProvider != null) {
CredentialItem.Username u = new CredentialItem.Username();
CredentialItem.Password p = new CredentialItem.Password();
if (credentialsProvider.supports(u, p)
&& credentialsProvider.get(uri, u, p)) {
username = u.getValue();
password = new String(p.getValue());
p.clear();
} else
return false;
} else {
username = uri.getUser();
password = uri.getPass();
}
if (username != null) {
authorize(username, password);
return true;
}
return false;
}
/**

23
org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java
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@ -558,6 +558,9 @@ public abstract class Transport {
/** Pack configuration used by this transport to make pack file. */
private PackConfig packConfig;
/** Assists with authentication the connection. */
private CredentialsProvider credentialsProvider;
/**
* Create a new transport instance.
*
@ -821,6 +824,26 @@ public abstract class Transport {
packConfig = pc;
}
/**
* A credentials provider to assist with authentication connections..
*
* @param credentialsProvider
* the credentials provider, or null if there is none
*/
public void setCredentialsProvider(CredentialsProvider credentialsProvider) {
this.credentialsProvider = credentialsProvider;
}
/**
* The configured credentials provider.
*
* @return the credentials provider, or null if no credentials provider is
* associated with this transport.
*/
public CredentialsProvider getCredentialsProvider() {
return credentialsProvider;
}
/**
* Fetch objects and refs from the remote repository to the local one.
* <p>

6
org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java
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@ -367,10 +367,12 @@ public class TransportHttp extends HttpTransport implements WalkTransport,
if (authMethod == HttpAuthMethod.NONE)
throw new TransportException(uri, MessageFormat.format(
JGitText.get().authenticationNotSupported, uri));
if (1 < authAttempts || uri.getUser() == null)
if (1 < authAttempts
|| !authMethod.authorize(uri,
getCredentialsProvider())) {
throw new TransportException(uri,
JGitText.get().notAuthorized);
authMethod.authorize(uri);
}
authAttempts++;
continue;

119
org.eclipse.jgit/src/org/eclipse/jgit/transport/UsernamePasswordCredentialsProvider.java
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@ -0,0 +1,119 @@
/*
* Copyright (C) 2010, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.transport;
import java.util.Arrays;
import org.eclipse.jgit.errors.UnsupportedCredentialItem;
/**
* Simple {@link CredentialsProvider} that always uses the same information.
*/
public class UsernamePasswordCredentialsProvider extends CredentialsProvider {
private String username;
private char[] password;
/**
* Initialize the provider with a single username and password.
*
* @param username
* @param password
*/
public UsernamePasswordCredentialsProvider(String username, String password) {
this(username, password.toCharArray());
}
/**
* Initialize the provider with a single username and password.
*
* @param username
* @param password
*/
public UsernamePasswordCredentialsProvider(String username, char[] password) {
this.username = username;
this.password = password;
}
@Override
public boolean supports(CredentialItem... items) {
for (CredentialItem i : items) {
if (i instanceof CredentialItem.Username)
continue;
else if (i instanceof CredentialItem.Password)
continue;
else
return false;
}
return true;
}
@Override
public boolean get(URIish uri, CredentialItem... items)
throws UnsupportedCredentialItem {
for (CredentialItem i : items) {
if (i instanceof CredentialItem.Username)
((CredentialItem.Username) i).setValue(username);
else if (i instanceof CredentialItem.Password)
((CredentialItem.Password) i).setValue(password);
else
throw new UnsupportedCredentialItem(uri, i.getPromptText());
}
return true;
}
/** Destroy the saved username and password.. */
public void clear() {
username = null;
if (password != null) {
Arrays.fill(password, (char) 0);
password = null;
}
}
}
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