Source Code Cross Referenced for Authentication.java in  » Database-ORM » MMBase » org » mmbase » security » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » MMBase » org.mmbase.security 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:        This software is OSI Certified Open Source Software.
004:        OSI Certified is a certification mark of the Open Source Initiative.
005:
006:        The license (Mozilla version 1.0) can be read at the MMBase site.
007:        See http://www.MMBase.org/license
008:
009:         */
010:        package org.mmbase.security;
011:
012:        import java.util.Map;
013:
014:        import org.mmbase.util.functions.*;
015:        import org.mmbase.bridge.Node;
016:
017:        import org.mmbase.util.logging.Logger;
018:        import org.mmbase.util.logging.Logging;
019:
020:        /**
021:         *  This class is a abstract implementation of the Authentication.
022:         *
023:         *  To make your own implementation of authentication, you have to extend this class.
024:         *
025:         * @author Eduard Witteveen
026:         * @author Michiel Meeuwissen (javadocs)
027:         * @version $Id: Authentication.java,v 1.41 2008/01/21 15:25:28 michiel Exp $
028:         */
029:        public abstract class Authentication extends Configurable implements 
030:                AuthenticationData {
031:            private static final Logger log = Logging
032:                    .getLoggerInstance(Authentication.class);
033:
034:            static {
035:                try {
036:                    PARAMETER_USERNAME.getLocalizedDescription().setBundle(
037:                            STRINGS);
038:                    PARAMETER_PASSWORD.getLocalizedDescription().setBundle(
039:                            STRINGS);
040:                    ((org.mmbase.datatypes.StringDataType) PARAMETER_PASSWORD
041:                            .getDataType()).setPassword(true);
042:                    PARAMETER_USERNAMES.getLocalizedDescription().setBundle(
043:                            STRINGS);
044:                    PARAMETER_RANK.getLocalizedDescription().setBundle(STRINGS);
045:                    PARAMETER_SESSIONNAME.getLocalizedDescription().setBundle(
046:                            STRINGS);
047:                    PARAMETER_LOGOUT.getLocalizedDescription().setBundle(
048:                            STRINGS);
049:                    PARAMETER_AUTHENTICATE.getLocalizedDescription().setBundle(
050:                            STRINGS);
051:                } catch (Exception e) {
052:                    log.error(e.getMessage(), e);
053:                }
054:            }
055:
056:            /**
057:             *  This method will verify the login, and give a UserContext back if the login procedure was successful.
058:             *	@param application A String that further specifies the login method (one implementation could handle more then one methods)
059:             *                     A typical value might be 'username/password'.
060:             *                     Possible values are returned by {@link #getTypes}.
061:             *                     This is also called 'authentication', or '(authentication) type' in
062:             *                     several contextes.
063:             *
064:             *	@param loginInfo   A Map containing the credentials or other objects which might be used to obtain them (e.g. request/response objects).
065:             *                     It might also be 'null', in which case your implementation normally should return the 'anonymous' user (or null, if
066:             *                     no such user can be defined). This Map can (or must) be supplied by
067:             *                     {@link #createParameters} (using the setter-methods and the {@link
068:             *                     Parameters#toMap} method of the resulting Parameters object).
069:             *
070:             *	@param parameters  A list of optional parameters, may also (and will often) be null.
071:             *
072:             *	@return <code>null</code> if no valid credentials were supplied,  a (perhaps new) UserContext if login succeeded.
073:             *
074:             *	@exception SecurityException When something strange happened, or authentication was unsucessfull.
075:             */
076:            public abstract UserContext login(String application,
077:                    Map<String, Object> loginInfo, Object[] parameters)
078:                    throws SecurityException;
079:
080:            /**
081:             * {@inheritDoc}
082:             * @since MMBase-1.9
083:             */
084:            public Node getNode(UserContext userContext)
085:                    throws SecurityException, UnsupportedOperationException {
086:                throw new UnsupportedOperationException(
087:                        "This security implementation does not support mapping from Security usercontexts to MMBase nodes");
088:            }
089:
090:            /**
091:             * {@inheritDoc}
092:             * @since MMBase-1.9
093:             */
094:            public String getUserBuilder() throws UnsupportedOperationException {
095:                throw new UnsupportedOperationException(
096:                        "This security implementation has no builder associated with UserContexts");
097:            }
098:
099:            /**
100:             * {@inheritDoc}
101:             * @since MMBase-1.8
102:             */
103:            public final int getMethod(String m) {
104:                if (m == null || m.equals("")) {
105:                    return METHOD_UNSET;
106:                }
107:                m = m.toLowerCase();
108:                if ("http".equals(m)) {
109:                    return METHOD_HTTP;
110:                } else if ("asis".equals(m)) {
111:                    return METHOD_ASIS;
112:                } else if ("anonymous".equals(m)) {
113:                    return METHOD_ANONYMOUS;
114:                } else if ("logout".equals(m)) {
115:                    return METHOD_LOGOUT;
116:                } else if ("loginpage".equals(m)) {
117:                    return METHOD_LOGINPAGE;
118:                } else if ("delegate".equals(m)) {
119:                    return METHOD_DELEGATE;
120:                } else if ("sessiondelegate".equals(m)) {
121:                    return METHOD_SESSIONDELEGATE;
122:                } else if ("pagelogon".equals(m)) {
123:                    return METHOD_PAGELOGON;
124:                } else if ("sessionlogon".equals(m)) {
125:                    return METHOD_SESSIONLOGON;
126:                } else if ("default".equals(m)) {
127:                    return METHOD_DEFAULT;
128:                    //} else if ("given_or_anonymous".equals(m)) {
129:                    //    return METHOD_GIVEN_OR_ANONYMOUS;
130:                } else {
131:                    throw new RuntimeException(
132:                            "Unknown value for 'method'  attribute (" + m + ")");
133:                }
134:            }
135:
136:            /**
137:             *
138:             * @since MMBase-1.9
139:             */
140:            public static final String getMethod(int m) {
141:                switch (m) {
142:                case METHOD_HTTP:
143:                    return "http";
144:                case METHOD_ASIS:
145:                    return "asis";
146:                case METHOD_ANONYMOUS:
147:                    return "anonymous";
148:                case METHOD_LOGOUT:
149:                    return "logout";
150:                case METHOD_DELEGATE:
151:                    return "delegate";
152:                case METHOD_SESSIONDELEGATE:
153:                    return "sessiondelegate";
154:                case METHOD_PAGELOGON:
155:                    return "pagelogon";
156:                case METHOD_SESSIONLOGON:
157:                    return "sessionlogon";
158:                case METHOD_DEFAULT:
159:                    return "default";
160:                default:
161:                    return "unknown";
162:                }
163:            }
164:
165:            /**
166:             * {@inheritDoc}
167:             * @since MMBase-1.8
168:             */
169:            public int getDefaultMethod(String protocol) {
170:                if (protocol == null
171:                        || protocol.substring(0, 4).equalsIgnoreCase("HTTP")) {
172:                    return METHOD_HTTP;
173:                } else {
174:                    return METHOD_DELEGATE; // leave it completely to the implementation. (using the 'class' application or the request object or so)
175:                }
176:            }
177:
178:            /**
179:             * {@inheritDoc}
180:             * @since MMBase-1.8
181:             */
182:            public String[] getTypes() {
183:                return getTypes(METHOD_UNSET);
184:            }
185:
186:            /**
187:             * {@inheritDoc}
188:             * @since MMBase-1.8
189:             */
190:            public String[] getTypes(int method) {
191:                if (method == METHOD_ASIS) {
192:                    return new String[] { "anonymous", "name/password", "class" };
193:                } else {
194:                    return new String[] { "name/password", "class" };
195:                }
196:            }
197:
198:            protected static final Parameter[] PARAMETERS_USERS = new Parameter[] {
199:                    PARAMETER_USERNAMES, PARAMETER_RANK };
200:            protected static final Parameter[] PARAMETERS_ANONYMOUS = new Parameter[] {
201:                    PARAMETER_LOGOUT, PARAMETER_AUTHENTICATE };
202:            protected static final Parameter[] PARAMETERS_NAME_PASSWORD = new Parameter[] {
203:                    PARAMETER_USERNAME, PARAMETER_PASSWORD,
204:                    new Parameter.Wrapper(PARAMETERS_USERS) };
205:
206:            /**
207:             * {@inheritDoc}
208:             * @since MMBase-1.8
209:             */
210:            public Parameters createParameters(String application) {
211:                application = application.toLowerCase();
212:                if ("anonymous".equals(application)) {
213:                    return new Parameters(PARAMETERS_ANONYMOUS);
214:                } else if ("class".equals(application)) {
215:                    return Parameters.VOID;
216:                } else if ("name/password".equals(application)) {
217:                    return new Parameters(PARAMETERS_NAME_PASSWORD);
218:                } else {
219:                    return new AutodefiningParameters();
220:                }
221:            }
222:
223:            long key = System.currentTimeMillis();
224:
225:            /**
226:             *<p> Some unique key associated with this security configuration. It can be explicitely set with
227:             * the 'key' entry in security.xml. It falls back to the current time in milliseconds at the time of
228:             * initialization of authentication.</p>
229:             *
230:             * <p>The advantage of explicitely configuring it, is that serialized user-contextes remain valid
231:             * after a restart of MMBase, and users need not to log in again then.</p>
232:             *
233:             * @since MMBase-1.8
234:             */
235:            public long getKey() {
236:                return key;
237:            }
238:        }
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