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package org.eclipse.team.internal.ccvs.ui;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.ccvs.core.ICVSRepositoryLocation;
import org.eclipse.team.ccvs.core.IUserAuthenticator;
import org.eclipse.team.ccvs.core.IUserInfo;
import org.eclipse.team.internal.ccvs.core.CVSException;
/**
* An authenticator that prompts the user for authentication info,
* and stores the results in the Platform's authentication keyring.
*/
public class WorkbenchUserAuthenticator implements IUserAuthenticator {
public static final String INFO_PASSWORD = "org.eclipse.team.ccvs.ui.password";
public static final String INFO_USERNAME = "org.eclipse.team.ccvs.ui.username";
public static final String AUTH_SCHEME = "";
public static final URL FAKE_URL;
static {
URL temp = null;
try {
temp = new URL("http://org.eclipse.team.ccvs.ui");
} catch (MalformedURLException e) {
}
FAKE_URL = temp;
}
/**
* WorkbenchUserAuthenticator constructor.
*/
public WorkbenchUserAuthenticator() {
super();
}
/**
* @see IUserAuthenticator#authenticateUser
*/
public boolean authenticateUser(final ICVSRepositoryLocation location, final IUserInfo userinfo, final boolean retry, final String message) throws CVSException {
// first check to see if there is a cached username and password
if ((!retry) && (retrievePassword(location, userinfo))) {
return true;
}
// ask the user for a password
final String[] result = new String[2];
Display display = Display.getCurrent();
if (display != null) {
promptForPassword(location, userinfo.getUsername(), message, userinfo.isUsernameMutable(), result);
} else {
// sync exec in default thread
Display.getDefault().syncExec(new Runnable() {
public void run() {
promptForPassword(location, userinfo.getUsername(), message, userinfo.isUsernameMutable(), result);
}
});
}
if (result[0] == null) {
throw new OperationCanceledException(Policy.bind("WorkbenchUserAuthenticator.cancelled"));
}
updateAndCache(location, userinfo, result[0], result[1]);
return true;
}
/**
* Asks the user to enter a password. Places the
* results in the supplied string[]. result[0] must
* contain the username, result[1] must contain the password.
* If the user canceled, both values must be zero.
*
* @param location the location to obtain the password for
* @param username the username
* @param message a message to display to the user
* @param userMutable whether the user can be changed in the dialog
* @param result a String array of length two in which to put the result
*/
private void promptForPassword(ICVSRepositoryLocation location, String username, String message, boolean userMutable, String[] result) {
Shell shell = new Shell();
UserValidationDialog dialog = new UserValidationDialog(shell, location.getLocation(), (username==null)?"":username, message);
dialog.setUsernameMutable(userMutable);
dialog.open();
shell.dispose();
result[0] = dialog.getUsername();
result[1] = dialog.getPassword();
}
/**
* @see IUserAuthenticator#cachePassword
*/
public void cachePassword(ICVSRepositoryLocation location, IUserInfo userinfo, String password) throws CVSException {
updateAndCache(location, userinfo, userinfo.getUsername(), password);
}
/**
* @see IUserAuthenticator#retrievePassword
*/
public boolean retrievePassword(ICVSRepositoryLocation location, IUserInfo userinfo) throws CVSException {
Map map = Platform.getAuthorizationInfo(FAKE_URL, location.getLocation(), AUTH_SCHEME);
if (map != null) {
String username = (String) map.get(INFO_USERNAME);
String password = (String) map.get(INFO_PASSWORD);
if (password != null) {
if (userinfo.isUsernameMutable())
userinfo.setUsername(username);
userinfo.setPassword(password);
return true;
}
}
return false;
}
/**
* @see IUserAuthenticator#dispose(IRepositoryLocation)
*/
public void dispose(ICVSRepositoryLocation location) throws CVSException {
try {
Platform.flushAuthorizationInfo(FAKE_URL, location.getLocation(), AUTH_SCHEME);
} catch (CoreException e) {
// We should probably wrap the CoreException here!
CVSUIPlugin.log(e.getStatus());
throw new CVSException(IStatus.ERROR, IStatus.ERROR, Policy.bind("WorkbenchUserAuthenticator.errorFlushing", location.getLocation()), e);
}
}
/**
* Updates the pasword in the platform keyring.
*
* @param location the repository location
* @param userinfo the user information
* @param username the name of the user
* @param password the password
* @throws CVSException if a CVS error occurs
*/
public void updateAndCache(ICVSRepositoryLocation location, IUserInfo userinfo, String username, String password) throws CVSException {
// put the password into the Platform map
Map map = Platform.getAuthorizationInfo(FAKE_URL, location.getLocation(), AUTH_SCHEME);
if (map == null) {
map = new java.util.HashMap(10);
}
map.put(INFO_USERNAME, username);
map.put(INFO_PASSWORD, password);
try {
Platform.addAuthorizationInfo(FAKE_URL, location.getLocation(), AUTH_SCHEME, map);
} catch (CoreException e) {
// We should probably wrap the CoreException here!
CVSUIPlugin.log(e.getStatus());
throw new CVSException(IStatus.ERROR, IStatus.ERROR, Policy.bind("WorkbenchUserAuthenticator.errorSaving", location.getLocation()), e);
}
if (userinfo.isUsernameMutable()) {
userinfo.setUsername(username);
}
userinfo.setPassword(password);;
}
}
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