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package org.mule.extras.jaas.loginmodule; |
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import java.io.IOException; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Vector; |
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import javax.security.auth.Subject; |
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import javax.security.auth.callback.Callback; |
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import javax.security.auth.callback.CallbackHandler; |
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import javax.security.auth.callback.NameCallback; |
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import javax.security.auth.callback.PasswordCallback; |
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import javax.security.auth.callback.UnsupportedCallbackException; |
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import javax.security.auth.login.FailedLoginException; |
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import javax.security.auth.login.LoginException; |
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import javax.security.auth.spi.LoginModule; |
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32 | 0 | public class DefaultLoginModule implements LoginModule |
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{ |
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private CallbackHandler callbackHandler; |
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39 | 0 | private boolean succeeded = false; |
40 | 0 | private boolean commitSucceeded = false; |
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private String username; |
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private String password; |
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private String credentials; |
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private List credentialList; |
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public final boolean abort() throws LoginException |
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{ |
56 | 0 | if (!succeeded) |
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{ |
58 | 0 | return false; |
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} |
60 | 0 | else if (succeeded && !commitSucceeded) |
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{ |
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63 | 0 | succeeded = false; |
64 | 0 | username = null; |
65 | 0 | if (password != null) |
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{ |
67 | 0 | password = null; |
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} |
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} |
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else |
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{ |
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74 | 0 | logout(); |
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} |
76 | 0 | return true; |
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} |
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public final boolean commit() throws LoginException |
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{ |
87 | 0 | if (!succeeded) |
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{ |
89 | 0 | return false; |
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} |
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else |
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{ |
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94 | 0 | username = null; |
95 | 0 | password = null; |
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97 | 0 | commitSucceeded = true; |
98 | 0 | return true; |
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} |
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} |
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public final void initialize(Subject subject, |
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CallbackHandler callbackHandler, |
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Map sharedState, |
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Map options) |
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{ |
115 | 0 | this.callbackHandler = callbackHandler; |
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117 | 0 | this.credentials = (String)options.get("credentials"); |
118 | 0 | this.credentialList = getCredentialList(this.credentials); |
119 | 0 | } |
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public final boolean login() throws LoginException |
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{ |
130 | 0 | if (callbackHandler == null) |
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{ |
132 | 0 | throw new LoginException("Error: no CallbackHandler available " |
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+ "to garner authentication information from the user"); |
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} |
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136 | 0 | if (callbackHandler == null) |
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{ |
138 | 0 | throw new LoginException("no handler"); |
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} |
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141 | 0 | NameCallback nameCb = new NameCallback("user: "); |
142 | 0 | PasswordCallback passCb = new PasswordCallback("password: ", true); |
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145 | 0 | Callback[] callbacks = new Callback[]{nameCb, passCb}; |
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try |
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{ |
150 | 0 | callbackHandler.handle(callbacks); |
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} |
152 | 0 | catch (IOException e) |
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{ |
154 | 0 | throw new LoginException(e.toString()); |
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} |
156 | 0 | catch (UnsupportedCallbackException e) |
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{ |
158 | 0 | throw new LoginException("Error: " + e.getCallback().toString() |
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+ " not available to garner authentication information " |
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+ "from the user"); |
161 | 0 | } |
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163 | 0 | username = nameCb.getName(); |
164 | 0 | password = new String(passCb.getPassword()); |
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166 | 0 | boolean usernameCorrect = false; |
167 | 0 | boolean passwordCorrect = false; |
168 | 0 | succeeded = false; |
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171 | 0 | for (int i = 0; i < credentialList.size(); i = i + 2) |
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{ |
173 | 0 | if (username.equals(credentialList.get(i).toString())) |
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{ |
175 | 0 | usernameCorrect = true; |
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} |
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else |
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{ |
179 | 0 | usernameCorrect = false; |
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} |
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182 | 0 | if (password.equals(credentialList.get(i + 1).toString())) |
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{ |
184 | 0 | passwordCorrect = true; |
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} |
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else |
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{ |
188 | 0 | passwordCorrect = false; |
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} |
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193 | 0 | if ((usernameCorrect) & (passwordCorrect)) |
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{ |
195 | 0 | succeeded = true; |
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} |
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} |
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199 | 0 | if (succeeded) |
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{ |
201 | 0 | return true; |
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} |
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else |
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{ |
205 | 0 | succeeded = false; |
206 | 0 | username = null; |
207 | 0 | password = null; |
208 | 0 | if (!usernameCorrect) |
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{ |
210 | 0 | throw new FailedLoginException("User Name Incorrect"); |
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} |
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else |
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{ |
214 | 0 | throw new FailedLoginException("Password Incorrect"); |
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} |
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} |
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} |
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public final boolean logout() |
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{ |
226 | 0 | return succeeded; |
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} |
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public final List getCredentialList(String credentials) |
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{ |
239 | 0 | boolean semicolonIsFound = false; |
240 | 0 | boolean dividerIsFound = false; |
241 | 0 | char[] credentialArray = credentials.toCharArray(); |
242 | 0 | String username = ""; |
243 | 0 | String password = ""; |
244 | 0 | List outputList = new Vector(); |
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|
246 | 0 | for (int i = 0; i < credentials.length(); i++) |
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{ |
248 | 0 | if ((credentialArray[i] != ':') && (!dividerIsFound)) |
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{ |
250 | 0 | username = username + credentialArray[i]; |
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} |
252 | 0 | else if ((credentialArray[i] == ':') && (!dividerIsFound)) |
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{ |
254 | 0 | dividerIsFound = true; |
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} |
256 | 0 | else if ((credentialArray[i] != ';') && (!semicolonIsFound) && (dividerIsFound)) |
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{ |
258 | 0 | password = password + credentialArray[i]; |
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} |
260 | 0 | else if ((credentialArray[i] != ';') && (!semicolonIsFound) && (dividerIsFound)) |
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{ |
262 | 0 | password = password + credentialArray[i]; |
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} |
264 | 0 | else if ((credentialArray[i] == ';') && (!semicolonIsFound) && (dividerIsFound)) |
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{ |
266 | 0 | outputList.add(username); |
267 | 0 | outputList.add(password); |
268 | 0 | semicolonIsFound = false; |
269 | 0 | dividerIsFound = false; |
270 | 0 | username = ""; |
271 | 0 | password = ""; |
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} |
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} |
274 | 0 | return outputList; |
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} |
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} |