lib/router.php

   1 <?php
   2 /**
   3  * StatusNet, 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   StatusNet
  24  * @author    Evan Prodromou <evan@status.net>
  25  * @copyright 2009 StatusNet, Inc.
  26  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  27  * @link      http://status.net/
  28  */
  29
  30 if (!defined('STATUSNET') && !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  StatusNet
  43  * @author   Evan Prodromou <evan@status.net>
  44  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  45  * @link     http://status.net/
  46  */
  47
  48 class Router
  49 {
  50     var $m = null;
  51     static $inst = null;
  52     static $bare = array('requesttoken', 'accesstoken', 'userauthorization',
  53                          'postnotice', 'updateprofile', 'finishremotesubscribe');
  54
  55     static function get()
  56     {
  57         if (!Router::$inst) {
  58             Router::$inst = new Router();
  59         }
  60         return Router::$inst;
  61     }
  62
  63     function __construct()
  64     {
  65         if (!$this->m) {
  66             $this->m = $this->initialize();
  67         }
  68     }
  69
  70     function initialize()
  71     {
  72         $m = Net_URL_Mapper::getInstance();
  73
  74         // In the "root"
  75
  76         $m->connect('', array('action' => 'public'));
  77         $m->connect('rss', array('action' => 'publicrss'));
  78         $m->connect('featuredrss', array('action' => 'featuredrss'));
  79         $m->connect('favoritedrss', array('action' => 'favoritedrss'));
  80         $m->connect('opensearch/people', array('action' => 'opensearch',
  81                                                'type' => 'people'));
  82         $m->connect('opensearch/notice', array('action' => 'opensearch',
  83                                                'type' => 'notice'));
  84
  85         // docs
  86
  87         $m->connect('doc/:title', array('action' => 'doc'));
  88
  89         // facebook
  90
  91         $m->connect('facebook', array('action' => 'facebookhome'));
  92         $m->connect('facebook/index.php', array('action' => 'facebookhome'));
  93         $m->connect('facebook/settings.php', array('action' => 'facebooksettings'));
  94         $m->connect('facebook/invite.php', array('action' => 'facebookinvite'));
  95         $m->connect('facebook/remove', array('action' => 'facebookremove'));
  96
  97         // main stuff is repetitive
  98
  99         $main = array('login', 'logout', 'register', 'subscribe',
 100                       'unsubscribe', 'confirmaddress', 'recoverpassword',
 101                       'invite', 'favor', 'disfavor', 'sup',
 102                       'block', 'unblock', 'subedit',
 103                       'groupblock', 'groupunblock');
 104
 105         foreach ($main as $a) {
 106             $m->connect('main/'.$a, array('action' => $a));
 107         }
 108
 109         $m->connect('main/sup/:seconds', array('action' => 'sup'),
 110                     array('seconds' => '[0-9]+'));
 111
 112         $m->connect('main/tagother/:id', array('action' => 'tagother'));
 113
 114         $m->connect('main/oembed',
 115                     array('action' => 'oembed'));
 116
 117         // these take a code
 118
 119         foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
 120             $m->connect('main/'.$c.'/:code', array('action' => $c));
 121         }
 122
 123         // exceptional
 124
 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', 'im',
 135                        'email', 'sms', '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         $m->connect('notice/new?replyto=:replyto&inreplyto=:inreplyto',
 172                     array('action' => 'newnotice'),
 173                     array('replyto' => '[A-Za-z0-9_-]+'),
 174                     array('inreplyto' => '[0-9]+'));
 175
 176         $m->connect('notice/:notice/file',
 177             array('action' => 'file'),
 178             array('notice' => '[0-9]+'));
 179
 180         $m->connect('notice/:notice',
 181                     array('action' => 'shownotice'),
 182                     array('notice' => '[0-9]+'));
 183         $m->connect('notice/delete', array('action' => 'deletenotice'));
 184         $m->connect('notice/delete/:notice',
 185                     array('action' => 'deletenotice'),
 186                     array('notice' => '[0-9]+'));
 187
 188         // conversation
 189
 190         $m->connect('conversation/:id',
 191                     array('action' => 'conversation'),
 192                     array('id' => '[0-9]+'));
 193
 194         $m->connect('message/new', array('action' => 'newmessage'));
 195         $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 196         $m->connect('message/:message',
 197                     array('action' => 'showmessage'),
 198                     array('message' => '[0-9]+'));
 199
 200         $m->connect('user/:id',
 201                     array('action' => 'userbyid'),
 202                     array('id' => '[0-9]+'));
 203
 204         $m->connect('tags/', array('action' => 'publictagcloud'));
 205         $m->connect('tag/', array('action' => 'publictagcloud'));
 206         $m->connect('tags', array('action' => 'publictagcloud'));
 207         $m->connect('tag', array('action' => 'publictagcloud'));
 208         $m->connect('tag/:tag/rss',
 209                     array('action' => 'tagrss'),
 210                     array('tag' => '[a-zA-Z0-9]+'));
 211         $m->connect('tag/:tag',
 212                     array('action' => 'tag'),
 213                     array('tag' => '[\pL\pN_\-\.]{1,64}'));
 214
 215         $m->connect('peopletag/:tag',
 216                     array('action' => 'peopletag'),
 217                     array('tag' => '[a-zA-Z0-9]+'));
 218
 219         $m->connect('featured/', array('action' => 'featured'));
 220         $m->connect('featured', array('action' => 'featured'));
 221         $m->connect('favorited/', array('action' => 'favorited'));
 222         $m->connect('favorited', array('action' => 'favorited'));
 223
 224         // groups
 225
 226         $m->connect('group/new', array('action' => 'newgroup'));
 227
 228         foreach (array('edit', 'join', 'leave') as $v) {
 229             $m->connect('group/:nickname/'.$v,
 230                         array('action' => $v.'group'),
 231                         array('nickname' => '[a-zA-Z0-9]+'));
 232         }
 233
 234         foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 235             $m->connect('group/:nickname/'.$n,
 236                         array('action' => 'group'.$n),
 237                         array('nickname' => '[a-zA-Z0-9]+'));
 238         }
 239
 240         $m->connect('group/:nickname/foaf',
 241                     array('action' => 'foafgroup'),
 242                     array('nickname' => '[a-zA-Z0-9]+'));
 243
 244         $m->connect('group/:nickname/blocked',
 245                     array('action' => 'blockedfromgroup'),
 246                     array('nickname' => '[a-zA-Z0-9]+'));
 247
 248         $m->connect('group/:nickname/makeadmin',
 249                     array('action' => 'makeadmin'),
 250                     array('nickname' => '[a-zA-Z0-9]+'));
 251
 252         $m->connect('group/:id/id',
 253                     array('action' => 'groupbyid'),
 254                     array('id' => '[0-9]+'));
 255
 256         $m->connect('group/:nickname',
 257                     array('action' => 'showgroup'),
 258                     array('nickname' => '[a-zA-Z0-9]+'));
 259
 260         $m->connect('group/', array('action' => 'groups'));
 261         $m->connect('group', array('action' => 'groups'));
 262         $m->connect('groups/', array('action' => 'groups'));
 263         $m->connect('groups', array('action' => 'groups'));
 264
 265         // Twitter-compatible API
 266
 267         // statuses API
 268
 269         $m->connect('api/statuses/public_timeline.:format',
 270                     array('action' => 'ApiTimelinePublic',
 271                     'format' => '(xml|json|rss|atom)'));
 272
 273         $m->connect('api/statuses/friends_timeline.:format',
 274                     array('action' => 'ApiTimelineFriends',
 275                           'format' => '(xml|json|rss|atom)'));
 276
 277         $m->connect('api/statuses/friends_timeline/:id.:format',
 278                     array('action' => 'ApiTimelineFriends',
 279                           'id' => '[a-zA-Z0-9]+',
 280                           'format' => '(xml|json|rss|atom)'));
 281         $m->connect('api/statuses/home_timeline.:format',
 282                     array('action' => 'ApiTimelineFriends',
 283                           'format' => '(xml|json|rss|atom)'));
 284
 285         $m->connect('api/statuses/home_timeline/:id.:format',
 286                     array('action' => 'ApiTimelineFriends',
 287                           'id' => '[a-zA-Z0-9]+',
 288                           'format' => '(xml|json|rss|atom)'));
 289
 290         $m->connect('api/statuses/user_timeline.:format',
 291                     array('action' => 'ApiTimelineUser',
 292                     'format' => '(xml|json|rss|atom)'));
 293
 294         $m->connect('api/statuses/user_timeline/:id.:format',
 295                     array('action' => 'ApiTimelineUser',
 296                     'id' => '[a-zA-Z0-9]+',
 297                     'format' => '(xml|json|rss|atom)'));
 298
 299         $m->connect('api/statuses/mentions.:format',
 300                     array('action' => 'ApiTimelineMentions',
 301                     'format' => '(xml|json|rss|atom)'));
 302
 303         $m->connect('api/statuses/mentions/:id.:format',
 304                     array('action' => 'ApiTimelineMentions',
 305                     'id' => '[a-zA-Z0-9]+',
 306                     'format' => '(xml|json|rss|atom)'));
 307
 308         $m->connect('api/statuses/replies.:format',
 309                     array('action' => 'ApiTimelineMentions',
 310                     'format' => '(xml|json|rss|atom)'));
 311
 312         $m->connect('api/statuses/replies/:id.:format',
 313                     array('action' => 'ApiTimelineMentions',
 314                     'id' => '[a-zA-Z0-9]+',
 315                     'format' => '(xml|json|rss|atom)'));
 316
 317         $m->connect('api/statuses/friends.:format',
 318                      array('action' => 'ApiUserFriends',
 319                            'format' => '(xml|json)'));
 320
 321         $m->connect('api/statuses/friends/:id.:format',
 322                     array('action' => 'ApiUserFriends',
 323                     'id' => '[a-zA-Z0-9]+',
 324                     'format' => '(xml|json)'));
 325
 326         $m->connect('api/statuses/followers.:format',
 327                      array('action' => 'ApiUserFollowers',
 328                            'format' => '(xml|json)'));
 329
 330         $m->connect('api/statuses/followers/:id.:format',
 331                     array('action' => 'ApiUserFollowers',
 332                     'id' => '[a-zA-Z0-9]+',
 333                     'format' => '(xml|json)'));
 334
 335         $m->connect('api/statuses/show.:format',
 336                     array('action' => 'ApiStatusesShow',
 337                           'format' => '(xml|json)'));
 338
 339         $m->connect('api/statuses/show/:id.:format',
 340                     array('action' => 'ApiStatusesShow',
 341                           'id' => '[0-9]+',
 342                           'format' => '(xml|json)'));
 343
 344         $m->connect('api/statuses/update.:format',
 345                     array('action' => 'ApiStatusesUpdate',
 346                           'format' => '(xml|json)'));
 347
 348         $m->connect('api/statuses/destroy.:format',
 349                   array('action' => 'ApiStatusesDestroy',
 350                         'format' => '(xml|json)'));
 351
 352         $m->connect('api/statuses/destroy/:id.:format',
 353                   array('action' => 'ApiStatusesDestroy',
 354                         'id' => '[0-9]+',
 355                         'format' => '(xml|json)'));
 356
 357         // users
 358
 359         $m->connect('api/users/show/:id.:format',
 360                     array('action' => 'ApiUserShow',
 361                           'id' => '[a-zA-Z0-9]+',
 362                           'format' => '(xml|json)'));
 363
 364         $m->connect('api/users/:method',
 365                     array('action' => 'api',
 366                           'apiaction' => 'users'),
 367                     array('method' => 'show(\.(xml|json))?'));
 368
 369         // direct messages
 370
 371
 372         $m->connect('api/direct_messages.:format',
 373                     array('action' => 'ApiDirectMessage',
 374                           'format' => '(xml|json|rss|atom)'));
 375
 376         $m->connect('api/direct_messages/sent.:format',
 377                     array('action' => 'ApiDirectMessage',
 378                           'format' => '(xml|json|rss|atom)',
 379                           'sent' => true));
 380
 381         $m->connect('api/direct_messages/new.:format',
 382                      array('action' => 'ApiDirectMessageNew',
 383                            'format' => '(xml|json)'));
 384
 385         // friendships
 386
 387         $m->connect('api/friendships/show.:format',
 388                     array('action' => 'ApiFriendshipsShow',
 389                           'format' => '(xml|json)'));
 390
 391         $m->connect('api/friendships/exists.:format',
 392                     array('action' => 'ApiFriendshipsExists',
 393                           'format' => '(xml|json)'));
 394
 395         $m->connect('api/friendships/create.:format',
 396                     array('action' => 'ApiFriendshipsCreate',
 397                           'format' => '(xml|json)'));
 398
 399         $m->connect('api/friendships/destroy.:format',
 400                      array('action' => 'ApiFriendshipsDestroy',
 401                           'format' => '(xml|json)'));
 402
 403         $m->connect('api/friendships/create/:id.:format',
 404                     array('action' => 'ApiFriendshipsCreate',
 405                           'id' => '[a-zA-Z0-9]+',
 406                           'format' => '(xml|json)'));
 407
 408         $m->connect('api/friendships/destroy/:id.:format',
 409                     array('action' => 'ApiFriendshipsDestroy',
 410                     'id' => '[a-zA-Z0-9]+',
 411                     'format' => '(xml|json)'));
 412
 413         // Social graph
 414
 415         $m->connect('api/friends/ids/:id.:format',
 416                     array('action' => 'apiFriends',
 417                           'ids_only' => true));
 418
 419         $m->connect('api/followers/ids/:id.:format',
 420                     array('action' => 'apiFollowers',
 421                           'ids_only' => true));
 422
 423         $m->connect('api/friends/ids.:format',
 424                     array('action' => 'apiFriends',
 425                           'ids_only' => true));
 426
 427         $m->connect('api/followers/ids.:format',
 428                      array('action' => 'apiFollowers',
 429                           'ids_only' => true));
 430
 431         // account
 432
 433         $m->connect('api/account/verify_credentials.:format',
 434                     array('action' => 'ApiAccountVerifyCredentials'));
 435
 436         // special case where verify_credentials is called w/out a format
 437
 438         $m->connect('api/account/verify_credentials',
 439                     array('action' => 'ApiAccountVerifyCredentials'));
 440
 441         $m->connect('api/account/rate_limit_status.:format',
 442                     array('action' => 'ApiAccountRateLimitStatus'));
 443
 444         // favorites
 445
 446         $m->connect('api/favorites.:format',
 447                     array('action' => 'ApiTimelineFavorites',
 448                     'format' => '(xml|json|rss|atom)'));
 449
 450         $m->connect('api/favorites/:id.:format',
 451                     array('action' => 'ApiTimelineFavorites',
 452                           'id' => '[a-zA-Z0-9]+',
 453                           'format' => '(xmljson|rss|atom)'));
 454
 455         $m->connect('api/favorites/create/:id.:format',
 456                     array('action' => 'ApiFavoriteCreate',
 457                           'id' => '[a-zA-Z0-9]+',
 458                           'format' => '(xml|json)'));
 459
 460         $m->connect('api/favorites/destroy/:id.:format',
 461                     array('action' => 'ApiFavoriteDestroy',
 462                           'id' => '[a-zA-Z0-9]+',
 463                           'format' => '(xml|json)'));
 464
 465         // notifications
 466
 467         $m->connect('api/notifications/:method/:argument',
 468                     array('action' => 'api',
 469                           'apiaction' => 'favorites'));
 470
 471         // blocks
 472
 473         $m->connect('api/blocks/create/:id.:format',
 474                     array('action' => 'ApiBlockCreate',
 475                           'id' => '[a-zA-Z0-9]+',
 476                           'format' => '(xml|json)'));
 477
 478         $m->connect('api/blocks/destroy/:id.:format',
 479                     array('action' => 'ApiBlockDestroy',
 480                           'id' => '[a-zA-Z0-9]+',
 481                           'format' => '(xml|json)'));
 482         // help
 483
 484         $m->connect('api/help/test.:format',
 485                     array('action' => 'ApiHelpTest',
 486                           'format' => '(xml|json)'));
 487
 488         // statusnet
 489
 490         $m->connect('api/statusnet/version.:format',
 491                     array('action' => 'ApiStatusnetVersion',
 492                           'format' => '(xml|json)'));
 493
 494         $m->connect('api/statusnet/config.:format',
 495                     array('action' => 'ApiStatusnetConfig',
 496                    'format' => '(xml|json)'));
 497
 498         // For older methods, we provide "laconica" base action
 499
 500         $m->connect('api/laconica/version.:format',
 501                     array('action' => 'ApiStatusnetVersion',
 502                           'format' => '(xml|json)'));
 503
 504         $m->connect('api/laconica/config.:format',
 505                     array('action' => 'ApiStatusnetConfig',
 506                     'format' => '(xml|json)'));
 507
 508         // Groups and tags are newer than 0.8.1 so no backward-compatibility
 509         // necessary
 510
 511         // Groups
 512         //'list' has to be handled differently, as php will not allow a method to be named 'list'
 513
 514         $m->connect('api/statusnet/groups/timeline/:id.:format',
 515                     array('action' => 'ApiTimelineGroup',
 516                           'id' => '[a-zA-Z0-9]+',
 517                           'format' => '(xmljson|rss|atom)'));
 518
 519         $m->connect('api/statusnet/groups/show.:format',
 520                     array('action' => 'ApiGroupShow',
 521                     'format' => '(xml|json)'));
 522
 523         $m->connect('api/statusnet/groups/show/:id.:format',
 524                     array('action' => 'ApiGroupShow',
 525                           'id' => '[a-zA-Z0-9]+',
 526                           'format' => '(xml|json)'));
 527
 528         $m->connect('api/statusnet/groups/join.:format',
 529                     array('action' => 'ApiGroupJoin',
 530                           'id' => '[a-zA-Z0-9]+',
 531                           'format' => '(xml|json)'));
 532
 533         $m->connect('api/statusnet/groups/join/:id.:format',
 534                     array('action' => 'ApiGroupJoin',
 535                     'format' => '(xml|json)'));
 536
 537         $m->connect('api/statusnet/groups/leave.:format',
 538                     array('action' => 'ApiGroupLeave',
 539                           'id' => '[a-zA-Z0-9]+',
 540                           'format' => '(xml|json)'));
 541
 542         $m->connect('api/statusnet/groups/leave/:id.:format',
 543                     array('action' => 'ApiGroupLeave',
 544                           'format' => '(xml|json)'));
 545
 546         $m->connect('api/statusnet/groups/is_member.:format',
 547                     array('action' => 'ApiGroupIsMember',
 548                           'format' => '(xml|json)'));
 549
 550         $m->connect('api/statusnet/groups/list.:format',
 551                     array('action' => 'ApiGroupList',
 552                           'format' => '(xml|json|rss|atom)'));
 553
 554         $m->connect('api/statusnet/groups/list/:id.:format',
 555                     array('action' => 'ApiGroupList',
 556                           'id' => '[a-zA-Z0-9]+',
 557                           'format' => '(xml|json|rss|atom)'));
 558
 559         $m->connect('api/statusnet/groups/list_all.:format',
 560                     array('action' => 'ApiGroupListAll',
 561                           'format' => '(xml|json|rss|atom)'));
 562
 563         $m->connect('api/statusnet/groups/membership.:format',
 564                     array('action' => 'ApiGroupMembership',
 565                          'format' => '(xml|json)'));
 566
 567         $m->connect('api/statusnet/groups/membership/:id.:format',
 568                     array('action' => 'ApiGroupMembership',
 569                            'id' => '[a-zA-Z0-9]+',
 570                            'format' => '(xml|json)'));
 571
 572         $m->connect('api/statusnet/groups/create.:format',
 573                     array('action' => 'ApiGroupCreate',
 574                           'format' => '(xml|json)'));
 575         // Tags
 576         $m->connect('api/statusnet/tags/timeline/:tag.:format',
 577                     array('action' => 'ApiTimelineTag',
 578                           'format' => '(xmljson|rss|atom)'));
 579
 580         // search
 581         $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 582         $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 583         $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 584
 585         // user stuff
 586
 587         foreach (array('subscriptions', 'subscribers',
 588                        'nudge', 'all', 'foaf', 'xrds',
 589                        'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 590             $m->connect(':nickname/'.$a,
 591                         array('action' => $a),
 592                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 593         }
 594
 595         foreach (array('subscriptions', 'subscribers') as $a) {
 596             $m->connect(':nickname/'.$a.'/:tag',
 597                         array('action' => $a),
 598                         array('tag' => '[a-zA-Z0-9]+',
 599                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 600         }
 601
 602         foreach (array('rss', 'groups') as $a) {
 603             $m->connect(':nickname/'.$a,
 604                         array('action' => 'user'.$a),
 605                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 606         }
 607
 608         foreach (array('all', 'replies', 'favorites') as $a) {
 609             $m->connect(':nickname/'.$a.'/rss',
 610                         array('action' => $a.'rss'),
 611                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 612         }
 613
 614         $m->connect(':nickname/favorites',
 615                     array('action' => 'showfavorites'),
 616                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
 617
 618         $m->connect(':nickname/avatar/:size',
 619                     array('action' => 'avatarbynickname'),
 620                     array('size' => '(original|96|48|24)',
 621                           'nickname' => '[a-zA-Z0-9]{1,64}'));
 622
 623         $m->connect(':nickname/tag/:tag/rss',
 624             array('action' => 'userrss'),
 625             array('nickname' => '[a-zA-Z0-9]{1,64}'),
 626             array('tag' => '[a-zA-Z0-9]+'));
 627
 628         $m->connect(':nickname/tag/:tag',
 629                     array('action' => 'showstream'),
 630                     array('nickname' => '[a-zA-Z0-9]{1,64}'),
 631                     array('tag' => '[a-zA-Z0-9]+'));
 632
 633         $m->connect(':nickname',
 634                     array('action' => 'showstream'),
 635                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
 636
 637         Event::handle('RouterInitialized', array($m));
 638
 639         return $m;
 640     }
 641
 642     function map($path)
 643     {
 644         try {
 645             $match = $this->m->match($path);
 646         } catch (Net_URL_Mapper_InvalidException $e) {
 647             common_log(LOG_ERR, "Problem getting route for $path - " .
 648                        $e->getMessage());
 649             $cac = new ClientErrorAction("Page not found.", 404);
 650             $cac->showPage();
 651         }
 652
 653         return $match;
 654     }
 655
 656     function build($action, $args=null, $params=null, $fragment=null)
 657     {
 658         $action_arg = array('action' => $action);
 659
 660         if ($args) {
 661             $args = array_merge($action_arg, $args);
 662         } else {
 663             $args = $action_arg;
 664         }
 665
 666         $url = $this->m->generate($args, $params, $fragment);
 667
 668         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 669         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 670         // repair that here rather than modifying the upstream code...
 671
 672         $qpos = strpos($url, '?');
 673         if ($qpos !== false) {
 674             $url = substr($url, 0, $qpos+1) .
 675               str_replace('?', '&', substr($url, $qpos+1));
 676         }
 677         return $url;
 678     }
 679 }