Source Code Cross Referenced for IPAddressModerationAdminPlugin.java in  » Blogger-System » blojsom-3.1 » org » blojsom » plugin » moderation » admin » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Blogger System » blojsom 3.1 » org.blojsom.plugin.moderation.admin 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (c) 2003-2007, David A. Czarnecki
003:         * All rights reserved.
004:         *
005:         * Redistribution and use in source and binary forms, with or without
006:         * modification, are permitted provided that the following conditions are met:
007:         *
008:         * Redistributions of source code must retain the above copyright notice, this list of conditions and the
009:         *     following disclaimer.
010:         * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
011:         *     following disclaimer in the documentation and/or other materials provided with the distribution.
012:         * Neither the name of "David A. Czarnecki" and "blojsom" nor the names of its contributors may be used to
013:         *     endorse or promote products derived from this software without specific prior written permission.
014:         * Products derived from this software may not be called "blojsom", nor may "blojsom" appear in their name,
015:         *     without prior written permission of David A. Czarnecki.
016:         *
017:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
018:         * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
019:         * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
020:         * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
021:         * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
022:         * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
023:         * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
024:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
025:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
026:         * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
027:         * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
028:         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
029:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030:         */package org.blojsom.plugin.moderation.admin;
031:
032:        import org.apache.commons.logging.Log;
033:        import org.apache.commons.logging.LogFactory;
034:        import org.blojsom.blog.Blog;
035:        import org.blojsom.blog.Entry;
036:        import org.blojsom.fetcher.Fetcher;
037:        import org.blojsom.fetcher.FetcherException;
038:        import org.blojsom.plugin.PluginException;
039:        import org.blojsom.plugin.admin.WebAdminPlugin;
040:        import org.blojsom.util.BlojsomConstants;
041:        import org.blojsom.util.BlojsomUtils;
042:
043:        import javax.servlet.http.HttpServletRequest;
044:        import javax.servlet.http.HttpServletResponse;
045:        import java.io.BufferedReader;
046:        import java.io.IOException;
047:        import java.io.StringReader;
048:        import java.util.ArrayList;
049:        import java.util.List;
050:        import java.util.Map;
051:
052:        /**
053:         * IP address moderation administration plugin
054:         *
055:         * @author David Czarnecki
056:         * @version $Id: IPAddressModerationAdminPlugin.java,v 1.2 2007/01/17 02:35:12 czarneckid Exp $
057:         * @since blojsom 3.0
058:         */
059:        public class IPAddressModerationAdminPlugin extends WebAdminPlugin {
060:
061:            private Log _logger = LogFactory
062:                    .getLog(IPAddressModerationAdminPlugin.class);
063:
064:            private static final String BLACKLIST = "blacklist";
065:            private static final String IP_BLACKLIST_IP = "ip-blacklist";
066:            private static final String IP_WHITELIST_IP = "ip-whitelist";
067:
068:            // Localization constants
069:            private static final String FAILED_IP_ADDRESS_MODERATION_PERMISSION_KEY = "failed.ip.address.moderation.permission.text";
070:            private static final String ADDED_IP_TO_BLACKLIST_KEY = "added.ip.to.blacklist.text";
071:            private static final String IP_ALREADY_ADDED_TO_BLACKLIST_KEY = "ip.already.added.to.blacklist.text";
072:            private static final String ADDED_IP_TO_WHITELIST_KEY = "added.ip.to.whitelist.text";
073:            private static final String IP_ALREADY_ADDED_TO_WHITELIST_KEY = "ip.already.added.to.whitelist.text";
074:            private static final String DELETED_IP_ADDRESSES_BLACKLIST_KEY = "deleted.ip.addresses.blacklist.text";
075:            private static final String DELETED_IP_ADDRESSES_WHITELIST_KEY = "deleted.ip.addresses.whitelist.text";
076:            private static final String NO_IP_ADDRESSES_SELECTED_KEY = "no.ip.addresses.selected.text";
077:
078:            // Context
079:            private static final String BLOJSOM_PLUGIN_IP_WHITELIST = "BLOJSOM_PLUGIN_IP_WHITELIST";
080:            private static final String BLOJSOM_PLUGIN_IP_BLACKLIST = "BLOJSOM_PLUGIN_IP_BLACKLIST";
081:
082:            // Pages
083:            private static final String EDIT_IP_MODERATION_SETTINGS_PAGE = "/org/blojsom/plugin/moderation/admin/templates/admin-edit-ip-moderation-settings";
084:
085:            // Form itmes
086:            private static final String IP_ADDRESS = "ip-address";
087:            private static final String LIST_TYPE = "list-type";
088:
089:            // Actions
090:            private static final String ADD_IP_ADDRESS_ACTION = "add-ip-address";
091:            private static final String DELETE_IP_ADDRESS_ACTION = "delete-ip-address";
092:
093:            // Permissions
094:            private static final String IP_MODERATION_PERMISSION = "ip_moderation";
095:
096:            private Fetcher _fetcher;
097:
098:            /**
099:             * Create a new instance of the IP address moderation administration plugin
100:             */
101:            public IPAddressModerationAdminPlugin() {
102:            }
103:
104:            /**
105:             * Return the display name for the plugin
106:             *
107:             * @return Display name for the plugin
108:             */
109:            public String getDisplayName() {
110:                return "IP Address Moderation plugin";
111:            }
112:
113:            /**
114:             * Return the name of the initial editing page for the plugin
115:             *
116:             * @return Name of the initial editing page for the plugin
117:             */
118:            public String getInitialPage() {
119:                return EDIT_IP_MODERATION_SETTINGS_PAGE;
120:            }
121:
122:            /**
123:             * Set the {@link Fetcher}
124:             *
125:             * @param fetcher {@link Fetcher}
126:             */
127:            public void setFetcher(Fetcher fetcher) {
128:                _fetcher = fetcher;
129:            }
130:
131:            /**
132:             * Initialize this plugin. This method only called when the plugin is instantiated.
133:             *
134:             * @throws org.blojsom.plugin.PluginException
135:             *          If there is an error initializing the plugin
136:             */
137:            public void init() throws PluginException {
138:                super .init();
139:            }
140:
141:            /**
142:             * Process the blog entries
143:             *
144:             * @param httpServletRequest  Request
145:             * @param httpServletResponse Response
146:             * @param blog                {@link Blog} instance
147:             * @param context             Context
148:             * @param entries             Blog entries retrieved for the particular request
149:             * @return Modified set of blog entries
150:             * @throws PluginException If there is an error processing the blog entries
151:             */
152:            public Entry[] process(HttpServletRequest httpServletRequest,
153:                    HttpServletResponse httpServletResponse, Blog blog,
154:                    Map context, Entry[] entries) throws PluginException {
155:                entries = super .process(httpServletRequest,
156:                        httpServletResponse, blog, context, entries);
157:
158:                String page = BlojsomUtils.getRequestValue(
159:                        BlojsomConstants.PAGE_PARAM, httpServletRequest);
160:
161:                String username = getUsernameFromSession(httpServletRequest,
162:                        blog);
163:                if (!checkPermission(blog, null, username,
164:                        IP_MODERATION_PERMISSION)) {
165:                    httpServletRequest.setAttribute(
166:                            BlojsomConstants.PAGE_PARAM,
167:                            ADMIN_ADMINISTRATION_PAGE);
168:                    addOperationResultMessage(context, getAdminResource(
169:                            FAILED_IP_ADDRESS_MODERATION_PERMISSION_KEY,
170:                            FAILED_IP_ADDRESS_MODERATION_PERMISSION_KEY, blog
171:                                    .getBlogAdministrationLocale()));
172:
173:                    return entries;
174:                }
175:
176:                if (ADMIN_LOGIN_PAGE.equals(page)) {
177:                    return entries;
178:                } else {
179:                    String action = BlojsomUtils.getRequestValue(ACTION_PARAM,
180:                            httpServletRequest);
181:                    List ipAddressesFromBlacklist = loadIPList(blog,
182:                            IP_BLACKLIST_IP);
183:                    List ipAddressesFromWhitelist = loadIPList(blog,
184:                            IP_WHITELIST_IP);
185:                    String listType = BlojsomUtils.getRequestValue(LIST_TYPE,
186:                            httpServletRequest);
187:
188:                    if (ADD_IP_ADDRESS_ACTION.equals(action)) {
189:                        String ipAddress = BlojsomUtils.getRequestValue(
190:                                IP_ADDRESS, httpServletRequest);
191:
192:                        if (BLACKLIST.equals(listType)) {
193:                            if (!ipAddressesFromBlacklist.contains(ipAddress)) {
194:                                ipAddressesFromBlacklist.add(ipAddress);
195:                                blog.setProperty(IP_BLACKLIST_IP, BlojsomUtils
196:                                        .listToString(ipAddressesFromBlacklist,
197:                                                "\n"));
198:                                try {
199:                                    _fetcher.saveBlog(blog);
200:                                } catch (FetcherException e) {
201:                                    if (_logger.isErrorEnabled()) {
202:                                        _logger.error(e);
203:                                    }
204:                                }
205:                                addOperationResultMessage(
206:                                        context,
207:                                        formatAdminResource(
208:                                                ADDED_IP_TO_BLACKLIST_KEY,
209:                                                ADDED_IP_TO_BLACKLIST_KEY,
210:                                                blog
211:                                                        .getBlogAdministrationLocale(),
212:                                                new Object[] { ipAddress }));
213:                            } else {
214:                                addOperationResultMessage(
215:                                        context,
216:                                        formatAdminResource(
217:                                                IP_ALREADY_ADDED_TO_BLACKLIST_KEY,
218:                                                IP_ALREADY_ADDED_TO_BLACKLIST_KEY,
219:                                                blog
220:                                                        .getBlogAdministrationLocale(),
221:                                                new Object[] { ipAddress }));
222:                            }
223:                        } else {
224:                            if (!ipAddressesFromWhitelist.contains(ipAddress)) {
225:                                ipAddressesFromWhitelist.add(ipAddress);
226:                                blog.setProperty(IP_WHITELIST_IP, BlojsomUtils
227:                                        .listToString(ipAddressesFromWhitelist,
228:                                                "\n"));
229:                                try {
230:                                    _fetcher.saveBlog(blog);
231:                                } catch (FetcherException e) {
232:                                    if (_logger.isErrorEnabled()) {
233:                                        _logger.error(e);
234:                                    }
235:                                }
236:                                addOperationResultMessage(
237:                                        context,
238:                                        formatAdminResource(
239:                                                ADDED_IP_TO_WHITELIST_KEY,
240:                                                ADDED_IP_TO_WHITELIST_KEY,
241:                                                blog
242:                                                        .getBlogAdministrationLocale(),
243:                                                new Object[] { ipAddress }));
244:                            } else {
245:                                addOperationResultMessage(
246:                                        context,
247:                                        formatAdminResource(
248:                                                IP_ALREADY_ADDED_TO_WHITELIST_KEY,
249:                                                IP_ALREADY_ADDED_TO_WHITELIST_KEY,
250:                                                blog
251:                                                        .getBlogAdministrationLocale(),
252:                                                new Object[] { ipAddress }));
253:                            }
254:                        }
255:                    } else if (DELETE_IP_ADDRESS_ACTION.equals(action)) {
256:                        String[] ipAddressesToDelete = httpServletRequest
257:                                .getParameterValues(IP_ADDRESS);
258:
259:                        if (ipAddressesToDelete != null
260:                                && ipAddressesToDelete.length > 0) {
261:                            if (BLACKLIST.equals(listType)) {
262:                                for (int i = 0; i < ipAddressesToDelete.length; i++) {
263:                                    ipAddressesFromBlacklist.set(Integer
264:                                            .parseInt(ipAddressesToDelete[i]),
265:                                            null);
266:                                }
267:
268:                                ipAddressesFromBlacklist = BlojsomUtils
269:                                        .removeNullValues(ipAddressesFromBlacklist);
270:                                blog.setProperty(IP_BLACKLIST_IP, BlojsomUtils
271:                                        .listToString(ipAddressesFromBlacklist,
272:                                                "\n"));
273:                                try {
274:                                    _fetcher.saveBlog(blog);
275:                                } catch (FetcherException e) {
276:                                    if (_logger.isErrorEnabled()) {
277:                                        _logger.error(e);
278:                                    }
279:                                }
280:                                addOperationResultMessage(
281:                                        context,
282:                                        formatAdminResource(
283:                                                DELETED_IP_ADDRESSES_BLACKLIST_KEY,
284:                                                DELETED_IP_ADDRESSES_BLACKLIST_KEY,
285:                                                blog
286:                                                        .getBlogAdministrationLocale(),
287:                                                new Object[] { new Integer(
288:                                                        ipAddressesToDelete.length) }));
289:                            } else {
290:                                for (int i = 0; i < ipAddressesToDelete.length; i++) {
291:                                    ipAddressesFromWhitelist.set(Integer
292:                                            .parseInt(ipAddressesToDelete[i]),
293:                                            null);
294:                                }
295:
296:                                ipAddressesFromWhitelist = BlojsomUtils
297:                                        .removeNullValues(ipAddressesFromWhitelist);
298:                                blog.setProperty(IP_WHITELIST_IP, BlojsomUtils
299:                                        .listToString(ipAddressesFromWhitelist,
300:                                                "\n"));
301:                                try {
302:                                    _fetcher.saveBlog(blog);
303:                                } catch (FetcherException e) {
304:                                    if (_logger.isErrorEnabled()) {
305:                                        _logger.error(e);
306:                                    }
307:                                }
308:                                addOperationResultMessage(
309:                                        context,
310:                                        formatAdminResource(
311:                                                DELETED_IP_ADDRESSES_WHITELIST_KEY,
312:                                                DELETED_IP_ADDRESSES_WHITELIST_KEY,
313:                                                blog
314:                                                        .getBlogAdministrationLocale(),
315:                                                new Object[] { new Integer(
316:                                                        ipAddressesToDelete.length) }));
317:                            }
318:                        } else {
319:                            addOperationResultMessage(context,
320:                                    getAdminResource(
321:                                            NO_IP_ADDRESSES_SELECTED_KEY,
322:                                            NO_IP_ADDRESSES_SELECTED_KEY,
323:                                            blog.getBlogAdministrationLocale()));
324:                        }
325:                    }
326:
327:                    context.put(BLOJSOM_PLUGIN_IP_BLACKLIST,
328:                            ipAddressesFromBlacklist);
329:                    context.put(BLOJSOM_PLUGIN_IP_WHITELIST,
330:                            ipAddressesFromWhitelist);
331:                }
332:
333:                return entries;
334:            }
335:
336:            /**
337:             * Load the list of IP addresses from whitelist or blacklist from the blog properties
338:             *
339:             * @param blog {@link Blog}
340:             * @param property Whitelist or Blacklist property
341:             * @return List of IP addresses
342:             */
343:            protected List loadIPList(Blog blog, String property) {
344:                ArrayList ipAddresses = new ArrayList();
345:                String ipAddressValues = blog.getProperty(property);
346:
347:                if (!BlojsomUtils.checkNullOrBlank(ipAddressValues)) {
348:                    try {
349:                        BufferedReader br = new BufferedReader(
350:                                new StringReader(ipAddressValues));
351:                        String ipAddress;
352:
353:                        while ((ipAddress = br.readLine()) != null) {
354:                            ipAddresses.add(ipAddress);
355:                        }
356:
357:                        br.close();
358:                    } catch (IOException e) {
359:                        if (_logger.isErrorEnabled()) {
360:                            _logger.error(e);
361:                        }
362:                    }
363:                }
364:
365:                return ipAddresses;
366:            }
367:        }
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