src/main/java/net/pterodactylus/sone/web/WebInterface.java

   1 /*
   2  * FreenetSone - WebInterface.java - Copyright © 2010 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.web;
  19
  20 import java.io.InputStream;
  21 import java.io.InputStreamReader;
  22 import java.io.Reader;
  23 import java.io.UnsupportedEncodingException;
  24 import java.net.URI;
  25 import java.net.URISyntaxException;
  26 import java.util.ArrayList;
  27 import java.util.List;
  28 import java.util.logging.Level;
  29 import java.util.logging.Logger;
  30
  31 import net.pterodactylus.sone.core.Core;
  32 import net.pterodactylus.sone.data.Post;
  33 import net.pterodactylus.sone.data.Sone;
  34 import net.pterodactylus.sone.freenet.L10nFilter;
  35 import net.pterodactylus.sone.main.SonePlugin;
  36 import net.pterodactylus.sone.template.GetPagePlugin;
  37 import net.pterodactylus.sone.template.PostAccessor;
  38 import net.pterodactylus.sone.template.RequestChangeFilter;
  39 import net.pterodactylus.sone.template.SoneAccessor;
  40 import net.pterodactylus.sone.template.SubstringFilter;
  41 import net.pterodactylus.sone.web.ajax.BlockSoneAjaxPage;
  42 import net.pterodactylus.sone.web.ajax.DeletePostAjaxPage;
  43 import net.pterodactylus.sone.web.ajax.DeleteReplyAjaxPage;
  44 import net.pterodactylus.sone.web.ajax.FollowSoneAjaxPage;
  45 import net.pterodactylus.sone.web.ajax.GetPostLikesAjaxPage;
  46 import net.pterodactylus.sone.web.ajax.GetSoneStatusPage;
  47 import net.pterodactylus.sone.web.ajax.GetTranslationPage;
  48 import net.pterodactylus.sone.web.ajax.LikePostAjaxPage;
  49 import net.pterodactylus.sone.web.ajax.UnblockSoneAjaxPage;
  50 import net.pterodactylus.sone.web.ajax.UnfollowSoneAjaxPage;
  51 import net.pterodactylus.sone.web.ajax.UnlikePostAjaxPage;
  52 import net.pterodactylus.sone.web.page.PageToadlet;
  53 import net.pterodactylus.sone.web.page.PageToadletFactory;
  54 import net.pterodactylus.sone.web.page.StaticPage;
  55 import net.pterodactylus.util.logging.Logging;
  56 import net.pterodactylus.util.service.AbstractService;
  57 import net.pterodactylus.util.template.DateFilter;
  58 import net.pterodactylus.util.template.DefaultTemplateFactory;
  59 import net.pterodactylus.util.template.PaginationPlugin;
  60 import net.pterodactylus.util.template.ReflectionAccessor;
  61 import net.pterodactylus.util.template.Template;
  62 import net.pterodactylus.util.template.TemplateException;
  63 import net.pterodactylus.util.template.TemplateFactory;
  64 import net.pterodactylus.util.template.TemplateProvider;
  65 import net.pterodactylus.util.template.XmlFilter;
  66 import freenet.clients.http.SessionManager;
  67 import freenet.clients.http.ToadletContainer;
  68 import freenet.l10n.BaseL10n;
  69
  70 /**
  71  * Bundles functionality that a web interface of a Freenet plugin needs, e.g.
  72  * references to l10n helpers.
  73  *
  74  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  75  */
  76 public class WebInterface extends AbstractService {
  77
  78         /** The logger. */
  79         private static final Logger logger = Logging.getLogger(WebInterface.class);
  80
  81         /** The Sone plugin. */
  82         private final SonePlugin sonePlugin;
  83
  84         /** The registered toadlets. */
  85         private final List<PageToadlet> pageToadlets = new ArrayList<PageToadlet>();
  86
  87         /** The form password. */
  88         private final String formPassword;
  89
  90         /**
  91          * Creates a new web interface.
  92          *
  93          * @param sonePlugin
  94          *            The Sone plugin
  95          */
  96         public WebInterface(SonePlugin sonePlugin) {
  97                 super("Sone Web Interface", false);
  98                 this.sonePlugin = sonePlugin;
  99                 formPassword = sonePlugin.pluginRespirator().getToadletContainer().getFormPassword();
 100         }
 101
 102         //
 103         // ACCESSORS
 104         //
 105
 106         /**
 107          * Returns the Sone core used by the Sone plugin.
 108          *
 109          * @return The Sone core
 110          */
 111         public Core core() {
 112                 return sonePlugin.core();
 113         }
 114
 115         /**
 116          * Returns the l10n helper of the node.
 117          *
 118          * @return The node’s l10n helper
 119          */
 120         public BaseL10n l10n() {
 121                 return sonePlugin.l10n().getBase();
 122         }
 123
 124         /**
 125          * Returns the session manager of the node.
 126          *
 127          * @return The node’s session manager
 128          */
 129         public SessionManager sessionManager() {
 130                 try {
 131                         return sonePlugin.pluginRespirator().getSessionManager(new URI("/"));
 132                 } catch (URISyntaxException use1) {
 133                         logger.log(Level.SEVERE, "Could not get Session Manager!", use1);
 134                         return null;
 135                 }
 136         }
 137
 138         /**
 139          * Returns the node’s form password.
 140          *
 141          * @return The form password
 142          */
 143         public String formPassword() {
 144                 return formPassword;
 145         }
 146
 147         //
 148         // SERVICE METHODS
 149         //
 150
 151         /**
 152          * {@inheritDoc}
 153          */
 154         @Override
 155         protected void serviceStart() {
 156                 registerToadlets();
 157         }
 158
 159         /**
 160          * {@inheritDoc}
 161          */
 162         @Override
 163         protected void serviceStop() {
 164                 unregisterToadlets();
 165         }
 166
 167         //
 168         // PRIVATE METHODS
 169         //
 170
 171         /**
 172          * Register all toadlets.
 173          */
 174         private void registerToadlets() {
 175                 DefaultTemplateFactory templateFactory = new DefaultTemplateFactory();
 176                 templateFactory.addAccessor(Object.class, new ReflectionAccessor());
 177                 templateFactory.addAccessor(Sone.class, new SoneAccessor(core()));
 178                 templateFactory.addAccessor(Post.class, new PostAccessor(core()));
 179                 templateFactory.addFilter("date", new DateFilter());
 180                 templateFactory.addFilter("l10n", new L10nFilter(l10n()));
 181                 templateFactory.addFilter("substring", new SubstringFilter());
 182                 templateFactory.addFilter("xml", new XmlFilter());
 183                 templateFactory.addFilter("change", new RequestChangeFilter());
 184                 templateFactory.addPlugin("getpage", new GetPagePlugin());
 185                 templateFactory.addPlugin("paginate", new PaginationPlugin());
 186                 templateFactory.setTemplateProvider(new ClassPathTemplateProvider(templateFactory));
 187                 templateFactory.addTemplateObject("formPassword", formPassword);
 188
 189                 Template loginTemplate = templateFactory.createTemplate(createReader("/templates/login.html"));
 190                 Template indexTemplate = templateFactory.createTemplate(createReader("/templates/index.html"));
 191                 Template addSoneTemplate = templateFactory.createTemplate(createReader("/templates/addSone.html"));
 192                 Template loadSoneTemplate = templateFactory.createTemplate(createReader("/templates/loadSone.html"));
 193                 Template knownSonesTemplate = templateFactory.createTemplate(createReader("/templates/knownSones.html"));
 194                 Template createSoneTemplate = templateFactory.createTemplate(createReader("/templates/createSone.html"));
 195                 Template createPostTemplate = templateFactory.createTemplate(createReader("/templates/createPost.html"));
 196                 Template createReplyTemplate = templateFactory.createTemplate(createReader("/templates/createReply.html"));
 197                 Template editProfileTemplate = templateFactory.createTemplate(createReader("/templates/editProfile.html"));
 198                 Template backupProfileTemplate = templateFactory.createTemplate(createReader("/templates/backup.xml"));
 199                 Template viewSoneTemplate = templateFactory.createTemplate(createReader("/templates/viewSone.html"));
 200                 Template blockSoneTemplate = templateFactory.createTemplate(createReader("/templates/blockSone.html"));
 201                 Template unblockSoneTemplate = templateFactory.createTemplate(createReader("/templates/unblockSone.html"));
 202                 Template viewPostTemplate = templateFactory.createTemplate(createReader("/templates/viewPost.html"));
 203                 Template likePostTemplate = templateFactory.createTemplate(createReader("/templates/likePost.html"));
 204                 Template unlikePostTemplate = templateFactory.createTemplate(createReader("/templates/unlikePost.html"));
 205                 Template deletePostTemplate = templateFactory.createTemplate(createReader("/templates/deletePost.html"));
 206                 Template deleteReplyTemplate = templateFactory.createTemplate(createReader("/templates/deleteReply.html"));
 207                 Template followSoneTemplate = templateFactory.createTemplate(createReader("/templates/followSone.html"));
 208                 Template unfollowSoneTemplate = templateFactory.createTemplate(createReader("/templates/unfollowSone.html"));
 209                 Template deleteSoneTemplate = templateFactory.createTemplate(createReader("/templates/deleteSone.html"));
 210                 Template noPermissionTemplate = templateFactory.createTemplate(createReader("/templates/noPermission.html"));
 211                 Template logoutTemplate = templateFactory.createTemplate(createReader("/templates/logout.html"));
 212
 213                 PageToadletFactory pageToadletFactory = new PageToadletFactory(sonePlugin.pluginRespirator().getHLSimpleClient(), "/Sone/");
 214                 pageToadlets.add(pageToadletFactory.createPageToadlet(new IndexPage(indexTemplate, this), "Index"));
 215                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreateSonePage(createSoneTemplate, this), "CreateSone"));
 216                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LoadSonePage(loadSoneTemplate, this)));
 217                 pageToadlets.add(pageToadletFactory.createPageToadlet(new AddSonePage(addSoneTemplate, this)));
 218                 pageToadlets.add(pageToadletFactory.createPageToadlet(new KnownSonesPage(knownSonesTemplate, this), "KnownSones"));
 219                 pageToadlets.add(pageToadletFactory.createPageToadlet(new EditProfilePage(editProfileTemplate, this), "EditProfile"));
 220                 pageToadlets.add(pageToadletFactory.createPageToadlet(new BackupProfilePage(backupProfileTemplate, this)));
 221                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreatePostPage(createPostTemplate, this)));
 222                 pageToadlets.add(pageToadletFactory.createPageToadlet(new CreateReplyPage(createReplyTemplate, this)));
 223                 pageToadlets.add(pageToadletFactory.createPageToadlet(new ViewSonePage(viewSoneTemplate, this)));
 224                 pageToadlets.add(pageToadletFactory.createPageToadlet(new BlockSonePage(blockSoneTemplate, this)));
 225                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnblockSonePage(unblockSoneTemplate, this)));
 226                 pageToadlets.add(pageToadletFactory.createPageToadlet(new ViewPostPage(viewPostTemplate, this)));
 227                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LikePostPage(likePostTemplate, this)));
 228                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlikePostPage(unlikePostTemplate, this)));
 229                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeletePostPage(deletePostTemplate, this)));
 230                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteReplyPage(deleteReplyTemplate, this)));
 231                 pageToadlets.add(pageToadletFactory.createPageToadlet(new FollowSonePage(followSoneTemplate, this)));
 232                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnfollowSonePage(unfollowSoneTemplate, this)));
 233                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteSonePage(deleteSoneTemplate, this), "DeleteSone"));
 234                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LoginPage(loginTemplate, this), "Login"));
 235                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LogoutPage(logoutTemplate, this), "Logout"));
 236                 pageToadlets.add(pageToadletFactory.createPageToadlet(new SoneTemplatePage("noPermission.html", noPermissionTemplate, "Page.NoPermission.Title", this)));
 237                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("css/", "/static/css/", "text/css")));
 238                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("javascript/", "/static/javascript/", "text/javascript")));
 239                 pageToadlets.add(pageToadletFactory.createPageToadlet(new StaticPage("images/", "/static/images/", "image/png")));
 240                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetTranslationPage(this)));
 241                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetSoneStatusPage(this)));
 242                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeletePostAjaxPage(this)));
 243                 pageToadlets.add(pageToadletFactory.createPageToadlet(new DeleteReplyAjaxPage(this)));
 244                 pageToadlets.add(pageToadletFactory.createPageToadlet(new FollowSoneAjaxPage(this)));
 245                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnfollowSoneAjaxPage(this)));
 246                 pageToadlets.add(pageToadletFactory.createPageToadlet(new BlockSoneAjaxPage(this)));
 247                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnblockSoneAjaxPage(this)));
 248                 pageToadlets.add(pageToadletFactory.createPageToadlet(new LikePostAjaxPage(this)));
 249                 pageToadlets.add(pageToadletFactory.createPageToadlet(new UnlikePostAjaxPage(this)));
 250                 pageToadlets.add(pageToadletFactory.createPageToadlet(new GetPostLikesAjaxPage(this)));
 251
 252                 ToadletContainer toadletContainer = sonePlugin.pluginRespirator().getToadletContainer();
 253                 toadletContainer.getPageMaker().addNavigationCategory("/Sone/index.html", "Navigation.Menu.Name", "Navigation.Menu.Tooltip", sonePlugin);
 254                 for (PageToadlet toadlet : pageToadlets) {
 255                         String menuName = toadlet.getMenuName();
 256                         if (menuName != null) {
 257                                 toadletContainer.register(toadlet, "Navigation.Menu.Name", toadlet.path(), true, "Navigation.Menu.Item." + menuName + ".Name", "Navigation.Menu.Item." + menuName + ".Tooltip", false, toadlet);
 258                         } else {
 259                                 toadletContainer.register(toadlet, null, toadlet.path(), true, false);
 260                         }
 261                 }
 262         }
 263
 264         /**
 265          * Unregisters all toadlets.
 266          */
 267         private void unregisterToadlets() {
 268                 ToadletContainer toadletContainer = sonePlugin.pluginRespirator().getToadletContainer();
 269                 for (PageToadlet pageToadlet : pageToadlets) {
 270                         toadletContainer.unregister(pageToadlet);
 271                 }
 272                 toadletContainer.getPageMaker().removeNavigationCategory("Navigation.Menu.Name");
 273         }
 274
 275         /**
 276          * Creates a {@link Reader} from the {@link InputStream} for the resource
 277          * with the given name.
 278          *
 279          * @param resourceName
 280          *            The name of the resource
 281          * @return A {@link Reader} for the resource
 282          */
 283         private Reader createReader(String resourceName) {
 284                 try {
 285                         return new InputStreamReader(getClass().getResourceAsStream(resourceName), "UTF-8");
 286                 } catch (UnsupportedEncodingException uee1) {
 287                         return null;
 288                 }
 289         }
 290
 291         /**
 292          * Template provider implementation that uses
 293          * {@link WebInterface#createReader(String)} to load templates for
 294          * inclusion.
 295          *
 296          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
 297          */
 298         private class ClassPathTemplateProvider implements TemplateProvider {
 299
 300                 /** The template factory. */
 301                 private final TemplateFactory templateFactory;
 302
 303                 /**
 304                  * Creates a new template provider that locates templates on the
 305                  * classpath.
 306                  *
 307                  * @param templateFactory
 308                  *            The template factory to create the templates
 309                  */
 310                 public ClassPathTemplateProvider(TemplateFactory templateFactory) {
 311                         this.templateFactory = templateFactory;
 312                 }
 313
 314                 /**
 315                  * {@inheritDoc}
 316                  */
 317                 @Override
 318                 @SuppressWarnings("synthetic-access")
 319                 public Template getTemplate(String templateName) {
 320                         Reader templateReader = createReader("/templates/" + templateName);
 321                         if (templateReader == null) {
 322                                 return null;
 323                         }
 324                         Template template = templateFactory.createTemplate(templateReader);
 325                         try {
 326                                 template.parse();
 327                         } catch (TemplateException te1) {
 328                                 logger.log(Level.WARNING, "Could not parse template “" + templateName + "” for inclusion!", te1);
 329                         }
 330                         return template;
 331                 }
 332
 333         }
 334 }