lib/router.php

   1 <?php
   2 /**
   3  * Laconica, the distributed open-source microblogging tool
   4  *
   5  * URL routing utilities
   6  *
   7  * PHP version 5
   8  *
   9  * LICENCE: This program is free software: you can redistribute it and/or modify
  10  * it under the terms of the GNU Affero General Public License as published by
  11  * the Free Software Foundation, either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU Affero General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Affero General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * @category  URL
  23  * @package   Laconica
  24  * @author    Evan Prodromou <evan@controlyourself.ca>
  25  * @copyright 2009 Control Yourself, Inc.
  26  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  27  * @link      http://laconi.ca/
  28  */
  29
  30 if (!defined('LACONICA')) {
  31     exit(1);
  32 }
  33
  34 require_once 'Net/URL/Mapper.php';
  35
  36 /**
  37  * URL Router
  38  *
  39  * Cheap wrapper around Net_URL_Mapper
  40  *
  41  * @category URL
  42  * @package  Laconica
  43  * @author   Evan Prodromou <evan@controlyourself.ca>
  44  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  45  * @link     http://laconi.ca/
  46  */
  47
  48 class Router
  49 {
  50     var $m = null;
  51     static $inst = null;
  52     static $bare = array('requesttoken', 'accesstoken', 'userauthorization',
  53                          'postnotice', 'updateprofile', 'finishremotesubscribe',
  54                          'finishopenidlogin', 'finishaddopenid');
  55
  56     static function get()
  57     {
  58         if (!Router::$inst) {
  59             Router::$inst = new Router();
  60         }
  61         return Router::$inst;
  62     }
  63
  64     function __construct()
  65     {
  66         if (!$this->m) {
  67             $this->m = $this->initialize();
  68         }
  69     }
  70
  71     function initialize()
  72     {
  73         $m = Net_URL_Mapper::getInstance();
  74
  75         // In the "root"
  76
  77         $m->connect('', array('action' => 'public'));
  78         $m->connect('rss', array('action' => 'publicrss'));
  79         $m->connect('xrds', array('action' => 'publicxrds'));
  80         $m->connect('featuredrss', array('action' => 'featuredrss'));
  81         $m->connect('favoritedrss', array('action' => 'favoritedrss'));
  82         $m->connect('opensearch/people', array('action' => 'opensearch',
  83                                                'type' => 'people'));
  84         $m->connect('opensearch/notice', array('action' => 'opensearch',
  85                                                'type' => 'notice'));
  86
  87         // docs
  88
  89         $m->connect('doc/:title', array('action' => 'doc'));
  90
  91         // facebook
  92
  93         $m->connect('facebook', array('action' => 'facebookhome'));
  94         $m->connect('facebook/index.php', array('action' => 'facebookhome'));
  95         $m->connect('facebook/settings.php', array('action' => 'facebooksettings'));
  96         $m->connect('facebook/invite.php', array('action' => 'facebookinvite'));
  97         $m->connect('facebook/remove', array('action' => 'facebookremove'));
  98
  99         // main stuff is repetitive
 100
 101         $main = array('login', 'logout', 'register', 'subscribe',
 102                       'unsubscribe', 'confirmaddress', 'recoverpassword',
 103                       'invite', 'favor', 'disfavor', 'sup',
 104                       'block', 'unblock', 'subedit',
 105                       'groupblock', 'groupunblock');
 106
 107         foreach ($main as $a) {
 108             $m->connect('main/'.$a, array('action' => $a));
 109         }
 110
 111         $m->connect('main/sup/:seconds', array('action' => 'sup'),
 112                     array('seconds' => '[0-9]+'));
 113
 114         $m->connect('main/tagother/:id', array('action' => 'tagother'));
 115
 116         // these take a code
 117
 118         foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
 119             $m->connect('main/'.$c.'/:code', array('action' => $c));
 120         }
 121
 122         // exceptional
 123
 124         $m->connect('main/openid', array('action' => 'openidlogin'));
 125         $m->connect('main/remote', array('action' => 'remotesubscribe'));
 126         $m->connect('main/remote?nickname=:nickname', array('action' => 'remotesubscribe'), array('nickname' => '[A-Za-z0-9_-]+'));
 127
 128         foreach (Router::$bare as $action) {
 129             $m->connect('index.php?action=' . $action, array('action' => $action));
 130         }
 131
 132         // settings
 133
 134         foreach (array('profile', 'avatar', 'password', 'openid', 'im',
 135                        'email', 'sms', 'twitter', 'userdesign', 'other') as $s) {
 136             $m->connect('settings/'.$s, array('action' => $s.'settings'));
 137         }
 138
 139         // search
 140
 141         foreach (array('group', 'people', 'notice') as $s) {
 142             $m->connect('search/'.$s, array('action' => $s.'search'));
 143             $m->connect('search/'.$s.'?q=:q',
 144                         array('action' => $s.'search'),
 145                         array('q' => '.+'));
 146         }
 147
 148         // The second of these is needed to make the link work correctly
 149         // when inserted into the page. The first is needed to match the
 150         // route on the way in. Seems to be another Net_URL_Mapper bug to me.
 151         $m->connect('search/notice/rss', array('action' => 'noticesearchrss'));
 152         $m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),
 153                     array('q' => '.+'));
 154
 155         $m->connect('attachment/:attachment',
 156                     array('action' => 'attachment'),
 157                     array('attachment' => '[0-9]+'));
 158
 159         $m->connect('attachment/:attachment/ajax',
 160                     array('action' => 'attachment_ajax'),
 161                     array('attachment' => '[0-9]+'));
 162
 163         $m->connect('attachment/:attachment/thumbnail',
 164                     array('action' => 'attachment_thumbnail'),
 165                     array('attachment' => '[0-9]+'));
 166
 167         $m->connect('notice/new', array('action' => 'newnotice'));
 168         $m->connect('notice/new?replyto=:replyto',
 169                     array('action' => 'newnotice'),
 170                     array('replyto' => '[A-Za-z0-9_-]+'));
 171
 172         $m->connect('notice/:notice/file',
 173             array('action' => 'file'),
 174             array('notice' => '[0-9]+'));
 175
 176         $m->connect('notice/:notice',
 177                     array('action' => 'shownotice'),
 178                     array('notice' => '[0-9]+'));
 179         $m->connect('notice/delete', array('action' => 'deletenotice'));
 180         $m->connect('notice/delete/:notice',
 181                     array('action' => 'deletenotice'),
 182                     array('notice' => '[0-9]+'));
 183
 184         // conversation
 185
 186         $m->connect('conversation/:id',
 187                     array('action' => 'conversation'),
 188                     array('id' => '[0-9]+'));
 189
 190         $m->connect('message/new', array('action' => 'newmessage'));
 191         $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 192         $m->connect('message/:message',
 193                     array('action' => 'showmessage'),
 194                     array('message' => '[0-9]+'));
 195
 196         $m->connect('user/:id',
 197                     array('action' => 'userbyid'),
 198                     array('id' => '[0-9]+'));
 199
 200         $m->connect('tags/', array('action' => 'publictagcloud'));
 201         $m->connect('tag/', array('action' => 'publictagcloud'));
 202         $m->connect('tags', array('action' => 'publictagcloud'));
 203         $m->connect('tag', array('action' => 'publictagcloud'));
 204         $m->connect('tag/:tag/rss',
 205                     array('action' => 'tagrss'),
 206                     array('tag' => '[a-zA-Z0-9]+'));
 207         $m->connect('tag/:tag',
 208                     array('action' => 'tag'),
 209                     array('tag' => '[a-zA-Z0-9]+'));
 210
 211         $m->connect('peopletag/:tag',
 212                     array('action' => 'peopletag'),
 213                     array('tag' => '[a-zA-Z0-9]+'));
 214
 215         $m->connect('featured/', array('action' => 'featured'));
 216         $m->connect('featured', array('action' => 'featured'));
 217         $m->connect('favorited/', array('action' => 'favorited'));
 218         $m->connect('favorited', array('action' => 'favorited'));
 219
 220         // groups
 221
 222         $m->connect('group/new', array('action' => 'newgroup'));
 223
 224         foreach (array('edit', 'join', 'leave') as $v) {
 225             $m->connect('group/:nickname/'.$v,
 226                         array('action' => $v.'group'),
 227                         array('nickname' => '[a-zA-Z0-9]+'));
 228         }
 229
 230         foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 231             $m->connect('group/:nickname/'.$n,
 232                         array('action' => 'group'.$n),
 233                         array('nickname' => '[a-zA-Z0-9]+'));
 234         }
 235
 236         $m->connect('group/:nickname/blocked',
 237                     array('action' => 'blockedfromgroup'),
 238                     array('nickname' => '[a-zA-Z0-9]+'));
 239
 240         $m->connect('group/:nickname/makeadmin',
 241                     array('action' => 'makeadmin'),
 242                     array('nickname' => '[a-zA-Z0-9]+'));
 243
 244         $m->connect('group/:id/id',
 245                     array('action' => 'groupbyid'),
 246                     array('id' => '[0-9]+'));
 247
 248         $m->connect('group/:nickname',
 249                     array('action' => 'showgroup'),
 250                     array('nickname' => '[a-zA-Z0-9]+'));
 251
 252         $m->connect('group/', array('action' => 'groups'));
 253         $m->connect('group', array('action' => 'groups'));
 254         $m->connect('groups/', array('action' => 'groups'));
 255         $m->connect('groups', array('action' => 'groups'));
 256
 257         // Twitter-compatible API
 258
 259         // statuses API
 260
 261         $m->connect('api/statuses/:method',
 262                     array('action' => 'api',
 263                           'apiaction' => 'statuses'),
 264                     array('method' => '(public_timeline|friends_timeline|user_timeline|update|replies|mentions|show|friends|followers|featured)(\.(atom|rss|xml|json))?'));
 265
 266         $m->connect('api/statuses/:method/:argument',
 267                     array('action' => 'api',
 268                           'apiaction' => 'statuses'),
 269                     array('method' => '(user_timeline|friends_timeline|replies|mentions|show|destroy|friends|followers)'));
 270
 271         // users
 272
 273         $m->connect('api/users/:method/:argument',
 274                     array('action' => 'api',
 275                           'apiaction' => 'users'),
 276                     array('method' => 'show(\.(xml|json))?'));
 277
 278         $m->connect('api/users/:method',
 279                     array('action' => 'api',
 280                           'apiaction' => 'users'),
 281                     array('method' => 'show(\.(xml|json))?'));
 282
 283         // direct messages
 284
 285         foreach (array('xml', 'json') as $e) {
 286             $m->connect('api/direct_messages/new.'.$e,
 287                         array('action' => 'api',
 288                               'apiaction' => 'direct_messages',
 289                               'method' => 'create.'.$e));
 290         }
 291
 292         foreach (array('xml', 'json', 'rss', 'atom') as $e) {
 293             $m->connect('api/direct_messages.'.$e,
 294                         array('action' => 'api',
 295                               'apiaction' => 'direct_messages',
 296                               'method' => 'direct_messages.'.$e));
 297         }
 298
 299         foreach (array('xml', 'json', 'rss', 'atom') as $e) {
 300             $m->connect('api/direct_messages/sent.'.$e,
 301                         array('action' => 'api',
 302                               'apiaction' => 'direct_messages',
 303                               'method' => 'sent.'.$e));
 304         }
 305
 306         $m->connect('api/direct_messages/destroy/:argument',
 307                     array('action' => 'api',
 308                           'apiaction' => 'direct_messages'));
 309
 310         // friendships
 311
 312         $m->connect('api/friendships/:method/:argument',
 313                     array('action' => 'api',
 314                           'apiaction' => 'friendships'),
 315                     array('method' => '(create|destroy)'));
 316
 317         $m->connect('api/friendships/:method',
 318                     array('action' => 'api',
 319                           'apiaction' => 'friendships'),
 320                     array('method' => '(show|exists)(\.(xml|json))'));
 321
 322         // Social graph
 323
 324         $m->connect('api/friends/ids/:argument',
 325                     array('action' => 'api',
 326                           'apiaction' => 'statuses',
 327                           'method' => 'friendsIDs'));
 328
 329         foreach (array('xml', 'json') as $e) {
 330             $m->connect('api/friends/ids.'.$e,
 331                         array('action' => 'api',
 332                               'apiaction' => 'statuses',
 333                               'method' => 'friendsIDs.'.$e));
 334         }
 335
 336         $m->connect('api/followers/ids/:argument',
 337                     array('action' => 'api',
 338                           'apiaction' => 'statuses',
 339                           'method' => 'followersIDs'));
 340
 341         foreach (array('xml', 'json') as $e) {
 342             $m->connect('api/followers/ids.'.$e,
 343                         array('action' => 'api',
 344                               'apiaction' => 'statuses',
 345                               'method' => 'followersIDs.'.$e));
 346         }
 347
 348         // account
 349
 350         $m->connect('api/account/:method',
 351                     array('action' => 'api',
 352                           'apiaction' => 'account'));
 353
 354         // favorites
 355
 356         $m->connect('api/favorites/:method/:argument',
 357                     array('action' => 'api',
 358                           'apiaction' => 'favorites',
 359                           array('method' => '(create|destroy)')));
 360
 361         $m->connect('api/favorites/:argument',
 362                     array('action' => 'api',
 363                           'apiaction' => 'favorites',
 364                           'method' => 'favorites'));
 365
 366         foreach (array('xml', 'json', 'rss', 'atom') as $e) {
 367             $m->connect('api/favorites.'.$e,
 368                         array('action' => 'api',
 369                               'apiaction' => 'favorites',
 370                               'method' => 'favorites.'.$e));
 371         }
 372
 373         // notifications
 374
 375         $m->connect('api/notifications/:method/:argument',
 376                     array('action' => 'api',
 377                           'apiaction' => 'favorites'));
 378
 379         // blocks
 380
 381         $m->connect('api/blocks/:method/:argument',
 382                     array('action' => 'api',
 383                           'apiaction' => 'blocks'));
 384
 385         // help
 386
 387         $m->connect('api/help/:method',
 388                     array('action' => 'api',
 389                           'apiaction' => 'help'));
 390
 391         // laconica
 392
 393         $m->connect('api/laconica/:method',
 394                     array('action' => 'api',
 395                           'apiaction' => 'laconica'));
 396
 397         // search
 398         $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 399         $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 400         $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 401
 402         // user stuff
 403
 404         foreach (array('subscriptions', 'subscribers',
 405                        'nudge', 'xrds', 'all', 'foaf',
 406                        'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 407             $m->connect(':nickname/'.$a,
 408                         array('action' => $a),
 409                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 410         }
 411
 412         foreach (array('subscriptions', 'subscribers') as $a) {
 413             $m->connect(':nickname/'.$a.'/:tag',
 414                         array('action' => $a),
 415                         array('tag' => '[a-zA-Z0-9]+',
 416                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 417         }
 418
 419         foreach (array('rss', 'groups') as $a) {
 420             $m->connect(':nickname/'.$a,
 421                         array('action' => 'user'.$a),
 422                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 423         }
 424
 425         foreach (array('all', 'replies', 'favorites') as $a) {
 426             $m->connect(':nickname/'.$a.'/rss',
 427                         array('action' => $a.'rss'),
 428                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 429         }
 430
 431         $m->connect(':nickname/favorites',
 432                     array('action' => 'showfavorites'),
 433                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
 434
 435         $m->connect(':nickname/avatar/:size',
 436                     array('action' => 'avatarbynickname'),
 437                     array('size' => '(original|96|48|24)',
 438                           'nickname' => '[a-zA-Z0-9]{1,64}'));
 439
 440         $m->connect(':nickname/tag/:tag/rss',
 441             array('action' => 'userrss'),
 442             array('nickname' => '[a-zA-Z0-9]{1,64}'),
 443             array('tag' => '[a-zA-Z0-9]+'));
 444
 445         $m->connect(':nickname/tag/:tag',
 446                     array('action' => 'showstream'),
 447                     array('nickname' => '[a-zA-Z0-9]{1,64}'),
 448                     array('tag' => '[a-zA-Z0-9]+'));
 449
 450         $m->connect(':nickname',
 451                     array('action' => 'showstream'),
 452                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
 453
 454         Event::handle('RouterInitialized', array($m));
 455
 456         return $m;
 457     }
 458
 459     function map($path)
 460     {
 461         try {
 462             $match = $this->m->match($path);
 463         } catch (Net_URL_Mapper_InvalidException $e) {
 464             common_log(LOG_ERR, "Problem getting route for $path - " .
 465                        $e->getMessage());
 466             $cac = new ClientErrorAction("Page not found.", 404);
 467             $cac->showPage();
 468         }
 469
 470         return $match;
 471     }
 472
 473     function build($action, $args=null, $params=null, $fragment=null)
 474     {
 475         $action_arg = array('action' => $action);
 476
 477         if ($args) {
 478             $args = array_merge($action_arg, $args);
 479         } else {
 480             $args = $action_arg;
 481         }
 482
 483         $url = $this->m->generate($args, $params, $fragment);
 484
 485         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 486         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 487         // repair that here rather than modifying the upstream code...
 488
 489         $qpos = strpos($url, '?');
 490         if ($qpos !== false) {
 491             $url = substr($url, 0, $qpos+1) .
 492               str_replace('?', '&', substr($url, $qpos+1));
 493         }
 494         return $url;
 495     }
 496 }