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         $m = Net_URL_Mapper::getInstance();
  73
  74         if (Event::handle('StartInitializeRouter', array(&$m))) {
  75
  76             // In the "root"
  77
  78             $m->connect('', array('action' => 'public'));
  79             $m->connect('rss', array('action' => 'publicrss'));
  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             $m->connect('main/login?user_id=:user_id&token=:token', array('action'=>'login'), array('user_id'=> '[0-9]+', 'token'=>'.+'));
  92
  93             // main stuff is repetitive
  94
  95             $main = array('login', 'logout', 'register', 'subscribe',
  96                           'unsubscribe', 'confirmaddress', 'recoverpassword',
  97                           'invite', 'favor', 'disfavor', 'sup',
  98                           'block', 'unblock', 'subedit',
  99                           'groupblock', 'groupunblock');
 100
 101             foreach ($main as $a) {
 102                 $m->connect('main/'.$a, array('action' => $a));
 103             }
 104
 105             $m->connect('main/sup/:seconds', array('action' => 'sup'),
 106                         array('seconds' => '[0-9]+'));
 107
 108             $m->connect('main/tagother/:id', array('action' => 'tagother'));
 109
 110             $m->connect('main/oembed',
 111                         array('action' => 'oembed'));
 112
 113             $m->connect('main/xrds',
 114                         array('action' => 'publicxrds'));
 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/remote', array('action' => 'remotesubscribe'));
 125             $m->connect('main/remote?nickname=:nickname', array('action' => 'remotesubscribe'), array('nickname' => '[A-Za-z0-9_-]+'));
 126
 127             foreach (Router::$bare as $action) {
 128                 $m->connect('index.php?action=' . $action, array('action' => $action));
 129             }
 130
 131             // settings
 132
 133             foreach (array('profile', 'avatar', 'password', 'im',
 134                            'email', 'sms', 'userdesign', 'other') as $s) {
 135                 $m->connect('settings/'.$s, array('action' => $s.'settings'));
 136             }
 137
 138             // search
 139
 140             foreach (array('group', 'people', 'notice') as $s) {
 141                 $m->connect('search/'.$s, array('action' => $s.'search'));
 142                 $m->connect('search/'.$s.'?q=:q',
 143                             array('action' => $s.'search'),
 144                             array('q' => '.+'));
 145             }
 146
 147             // The second of these is needed to make the link work correctly
 148             // when inserted into the page. The first is needed to match the
 149             // route on the way in. Seems to be another Net_URL_Mapper bug to me.
 150             $m->connect('search/notice/rss', array('action' => 'noticesearchrss'));
 151             $m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),
 152                         array('q' => '.+'));
 153
 154             $m->connect('attachment/:attachment',
 155                         array('action' => 'attachment'),
 156                         array('attachment' => '[0-9]+'));
 157
 158             $m->connect('attachment/:attachment/ajax',
 159                         array('action' => 'attachment_ajax'),
 160                         array('attachment' => '[0-9]+'));
 161
 162             $m->connect('attachment/:attachment/thumbnail',
 163                         array('action' => 'attachment_thumbnail'),
 164                         array('attachment' => '[0-9]+'));
 165
 166             $m->connect('notice/new', array('action' => 'newnotice'));
 167             $m->connect('notice/new?replyto=:replyto',
 168                         array('action' => 'newnotice'),
 169                         array('replyto' => '[A-Za-z0-9_-]+'));
 170             $m->connect('notice/new?replyto=:replyto&inreplyto=:inreplyto',
 171                         array('action' => 'newnotice'),
 172                         array('replyto' => '[A-Za-z0-9_-]+'),
 173                         array('inreplyto' => '[0-9]+'));
 174
 175             $m->connect('notice/:notice/file',
 176                         array('action' => 'file'),
 177                         array('notice' => '[0-9]+'));
 178
 179             $m->connect('notice/:notice',
 180                         array('action' => 'shownotice'),
 181                         array('notice' => '[0-9]+'));
 182             $m->connect('notice/delete', array('action' => 'deletenotice'));
 183             $m->connect('notice/delete/:notice',
 184                         array('action' => 'deletenotice'),
 185                         array('notice' => '[0-9]+'));
 186
 187             $m->connect('bookmarklet/new', array('action' => 'bookmarklet'));
 188
 189             // conversation
 190
 191             $m->connect('conversation/:id',
 192                         array('action' => 'conversation'),
 193                         array('id' => '[0-9]+'));
 194
 195             $m->connect('message/new', array('action' => 'newmessage'));
 196             $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 197             $m->connect('message/:message',
 198                         array('action' => 'showmessage'),
 199                         array('message' => '[0-9]+'));
 200
 201             $m->connect('user/:id',
 202                         array('action' => 'userbyid'),
 203                         array('id' => '[0-9]+'));
 204
 205             $m->connect('tags/', array('action' => 'publictagcloud'));
 206             $m->connect('tag/', array('action' => 'publictagcloud'));
 207             $m->connect('tags', array('action' => 'publictagcloud'));
 208             $m->connect('tag', array('action' => 'publictagcloud'));
 209             $m->connect('tag/:tag/rss',
 210                         array('action' => 'tagrss'),
 211                         array('tag' => '[a-zA-Z0-9]+'));
 212             $m->connect('tag/:tag',
 213                         array('action' => 'tag'),
 214                         array('tag' => '[\pL\pN_\-\.]{1,64}'));
 215
 216             $m->connect('peopletag/:tag',
 217                         array('action' => 'peopletag'),
 218                         array('tag' => '[a-zA-Z0-9]+'));
 219
 220             $m->connect('featured/', array('action' => 'featured'));
 221             $m->connect('featured', array('action' => 'featured'));
 222             $m->connect('favorited/', array('action' => 'favorited'));
 223             $m->connect('favorited', array('action' => 'favorited'));
 224
 225             // groups
 226
 227             $m->connect('group/new', array('action' => 'newgroup'));
 228
 229             foreach (array('edit', 'join', 'leave') as $v) {
 230                 $m->connect('group/:nickname/'.$v,
 231                             array('action' => $v.'group'),
 232                             array('nickname' => '[a-zA-Z0-9]+'));
 233             }
 234
 235             foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 236                 $m->connect('group/:nickname/'.$n,
 237                             array('action' => 'group'.$n),
 238                             array('nickname' => '[a-zA-Z0-9]+'));
 239             }
 240
 241             $m->connect('group/:nickname/foaf',
 242                         array('action' => 'foafgroup'),
 243                         array('nickname' => '[a-zA-Z0-9]+'));
 244
 245             $m->connect('group/:nickname/blocked',
 246                         array('action' => 'blockedfromgroup'),
 247                         array('nickname' => '[a-zA-Z0-9]+'));
 248
 249             $m->connect('group/:nickname/makeadmin',
 250                         array('action' => 'makeadmin'),
 251                         array('nickname' => '[a-zA-Z0-9]+'));
 252
 253             $m->connect('group/:id/id',
 254                         array('action' => 'groupbyid'),
 255                         array('id' => '[0-9]+'));
 256
 257             $m->connect('group/:nickname',
 258                         array('action' => 'showgroup'),
 259                         array('nickname' => '[a-zA-Z0-9]+'));
 260
 261             $m->connect('group/', array('action' => 'groups'));
 262             $m->connect('group', array('action' => 'groups'));
 263             $m->connect('groups/', array('action' => 'groups'));
 264             $m->connect('groups', array('action' => 'groups'));
 265
 266             // Twitter-compatible API
 267
 268             // statuses API
 269
 270             $m->connect('api/statuses/public_timeline.:format',
 271                         array('action' => 'ApiTimelinePublic',
 272                               'format' => '(xml|json|rss|atom)'));
 273
 274             $m->connect('api/statuses/friends_timeline.:format',
 275                         array('action' => 'ApiTimelineFriends',
 276                               'format' => '(xml|json|rss|atom)'));
 277
 278             $m->connect('api/statuses/friends_timeline/:id.:format',
 279                         array('action' => 'ApiTimelineFriends',
 280                               'id' => '[a-zA-Z0-9]+',
 281                               'format' => '(xml|json|rss|atom)'));
 282             $m->connect('api/statuses/home_timeline.:format',
 283                         array('action' => 'ApiTimelineFriends',
 284                               'format' => '(xml|json|rss|atom)'));
 285
 286             $m->connect('api/statuses/home_timeline/:id.:format',
 287                         array('action' => 'ApiTimelineFriends',
 288                               'id' => '[a-zA-Z0-9]+',
 289                               'format' => '(xml|json|rss|atom)'));
 290
 291             $m->connect('api/statuses/user_timeline.:format',
 292                         array('action' => 'ApiTimelineUser',
 293                               'format' => '(xml|json|rss|atom)'));
 294
 295             $m->connect('api/statuses/user_timeline/:id.:format',
 296                         array('action' => 'ApiTimelineUser',
 297                               'id' => '[a-zA-Z0-9]+',
 298                               'format' => '(xml|json|rss|atom)'));
 299
 300             $m->connect('api/statuses/mentions.:format',
 301                         array('action' => 'ApiTimelineMentions',
 302                               'format' => '(xml|json|rss|atom)'));
 303
 304             $m->connect('api/statuses/mentions/:id.:format',
 305                         array('action' => 'ApiTimelineMentions',
 306                               'id' => '[a-zA-Z0-9]+',
 307                               'format' => '(xml|json|rss|atom)'));
 308
 309             $m->connect('api/statuses/replies.:format',
 310                         array('action' => 'ApiTimelineMentions',
 311                               'format' => '(xml|json|rss|atom)'));
 312
 313             $m->connect('api/statuses/replies/:id.:format',
 314                         array('action' => 'ApiTimelineMentions',
 315                               'id' => '[a-zA-Z0-9]+',
 316                               'format' => '(xml|json|rss|atom)'));
 317
 318             $m->connect('api/statuses/friends.:format',
 319                         array('action' => 'ApiUserFriends',
 320                               'format' => '(xml|json)'));
 321
 322             $m->connect('api/statuses/friends/:id.:format',
 323                         array('action' => 'ApiUserFriends',
 324                               'id' => '[a-zA-Z0-9]+',
 325                               'format' => '(xml|json)'));
 326
 327             $m->connect('api/statuses/followers.:format',
 328                         array('action' => 'ApiUserFollowers',
 329                               'format' => '(xml|json)'));
 330
 331             $m->connect('api/statuses/followers/:id.:format',
 332                         array('action' => 'ApiUserFollowers',
 333                               'id' => '[a-zA-Z0-9]+',
 334                               'format' => '(xml|json)'));
 335
 336             $m->connect('api/statuses/show.:format',
 337                         array('action' => 'ApiStatusesShow',
 338                               'format' => '(xml|json)'));
 339
 340             $m->connect('api/statuses/show/:id.:format',
 341                         array('action' => 'ApiStatusesShow',
 342                               'id' => '[0-9]+',
 343                               'format' => '(xml|json)'));
 344
 345             $m->connect('api/statuses/update.:format',
 346                         array('action' => 'ApiStatusesUpdate',
 347                               'format' => '(xml|json)'));
 348
 349             $m->connect('api/statuses/destroy.:format',
 350                         array('action' => 'ApiStatusesDestroy',
 351                               'format' => '(xml|json)'));
 352
 353             $m->connect('api/statuses/destroy/:id.:format',
 354                         array('action' => 'ApiStatusesDestroy',
 355                               'id' => '[0-9]+',
 356                               'format' => '(xml|json)'));
 357
 358             // users
 359
 360             $m->connect('api/users/show/:id.:format',
 361                         array('action' => 'ApiUserShow',
 362                               'id' => '[a-zA-Z0-9]+',
 363                               'format' => '(xml|json)'));
 364
 365             // direct messages
 366
 367             $m->connect('api/direct_messages.:format',
 368                         array('action' => 'ApiDirectMessage',
 369                               'format' => '(xml|json|rss|atom)'));
 370
 371             $m->connect('api/direct_messages/sent.:format',
 372                         array('action' => 'ApiDirectMessage',
 373                               'format' => '(xml|json|rss|atom)',
 374                               'sent' => true));
 375
 376             $m->connect('api/direct_messages/new.:format',
 377                         array('action' => 'ApiDirectMessageNew',
 378                               'format' => '(xml|json)'));
 379
 380             // friendships
 381
 382             $m->connect('api/friendships/show.:format',
 383                         array('action' => 'ApiFriendshipsShow',
 384                               'format' => '(xml|json)'));
 385
 386             $m->connect('api/friendships/exists.:format',
 387                         array('action' => 'ApiFriendshipsExists',
 388                               'format' => '(xml|json)'));
 389
 390             $m->connect('api/friendships/create.:format',
 391                         array('action' => 'ApiFriendshipsCreate',
 392                               'format' => '(xml|json)'));
 393
 394             $m->connect('api/friendships/destroy.:format',
 395                         array('action' => 'ApiFriendshipsDestroy',
 396                               'format' => '(xml|json)'));
 397
 398             $m->connect('api/friendships/create/:id.:format',
 399                         array('action' => 'ApiFriendshipsCreate',
 400                               'id' => '[a-zA-Z0-9]+',
 401                               'format' => '(xml|json)'));
 402
 403             $m->connect('api/friendships/destroy/:id.:format',
 404                         array('action' => 'ApiFriendshipsDestroy',
 405                               'id' => '[a-zA-Z0-9]+',
 406                               'format' => '(xml|json)'));
 407
 408             // Social graph
 409
 410             $m->connect('api/friends/ids/:id.:format',
 411                         array('action' => 'apiFriends',
 412                               'ids_only' => true));
 413
 414             $m->connect('api/followers/ids/:id.:format',
 415                         array('action' => 'apiFollowers',
 416                               'ids_only' => true));
 417
 418             $m->connect('api/friends/ids.:format',
 419                         array('action' => 'apiFriends',
 420                               'ids_only' => true));
 421
 422             $m->connect('api/followers/ids.:format',
 423                         array('action' => 'apiFollowers',
 424                               'ids_only' => true));
 425
 426             // account
 427
 428             $m->connect('api/account/verify_credentials.:format',
 429                         array('action' => 'ApiAccountVerifyCredentials'));
 430
 431             // special case where verify_credentials is called w/out a format
 432
 433             $m->connect('api/account/verify_credentials',
 434                         array('action' => 'ApiAccountVerifyCredentials'));
 435
 436             $m->connect('api/account/rate_limit_status.:format',
 437                         array('action' => 'ApiAccountRateLimitStatus'));
 438
 439             // favorites
 440
 441             $m->connect('api/favorites.:format',
 442                         array('action' => 'ApiTimelineFavorites',
 443                               'format' => '(xml|json|rss|atom)'));
 444
 445             $m->connect('api/favorites/:id.:format',
 446                         array('action' => 'ApiTimelineFavorites',
 447                               'id' => '[a-zA-Z0-9]+',
 448                               'format' => '(xmljson|rss|atom)'));
 449
 450             $m->connect('api/favorites/create/:id.:format',
 451                         array('action' => 'ApiFavoriteCreate',
 452                               'id' => '[a-zA-Z0-9]+',
 453                               'format' => '(xml|json)'));
 454
 455             $m->connect('api/favorites/destroy/:id.:format',
 456                         array('action' => 'ApiFavoriteDestroy',
 457                               'id' => '[a-zA-Z0-9]+',
 458                               'format' => '(xml|json)'));
 459             // blocks
 460
 461             $m->connect('api/blocks/create/:id.:format',
 462                         array('action' => 'ApiBlockCreate',
 463                               'id' => '[a-zA-Z0-9]+',
 464                               'format' => '(xml|json)'));
 465
 466             $m->connect('api/blocks/destroy/:id.:format',
 467                         array('action' => 'ApiBlockDestroy',
 468                               'id' => '[a-zA-Z0-9]+',
 469                               'format' => '(xml|json)'));
 470             // help
 471
 472             $m->connect('api/help/test.:format',
 473                         array('action' => 'ApiHelpTest',
 474                               'format' => '(xml|json)'));
 475
 476             // statusnet
 477
 478             $m->connect('api/statusnet/version.:format',
 479                         array('action' => 'ApiStatusnetVersion',
 480                               'format' => '(xml|json)'));
 481
 482             $m->connect('api/statusnet/config.:format',
 483                         array('action' => 'ApiStatusnetConfig',
 484                               'format' => '(xml|json)'));
 485
 486             // For older methods, we provide "laconica" base action
 487
 488             $m->connect('api/laconica/version.:format',
 489                         array('action' => 'ApiStatusnetVersion',
 490                               'format' => '(xml|json)'));
 491
 492             $m->connect('api/laconica/config.:format',
 493                         array('action' => 'ApiStatusnetConfig',
 494                               'format' => '(xml|json)'));
 495
 496             // Groups and tags are newer than 0.8.1 so no backward-compatibility
 497             // necessary
 498
 499             // Groups
 500             //'list' has to be handled differently, as php will not allow a method to be named 'list'
 501
 502             $m->connect('api/statusnet/groups/timeline/:id.:format',
 503                         array('action' => 'ApiTimelineGroup',
 504                               'id' => '[a-zA-Z0-9]+',
 505                               'format' => '(xmljson|rss|atom)'));
 506
 507             $m->connect('api/statusnet/groups/show.:format',
 508                         array('action' => 'ApiGroupShow',
 509                               'format' => '(xml|json)'));
 510
 511             $m->connect('api/statusnet/groups/show/:id.:format',
 512                         array('action' => 'ApiGroupShow',
 513                               'id' => '[a-zA-Z0-9]+',
 514                               'format' => '(xml|json)'));
 515
 516             $m->connect('api/statusnet/groups/join.:format',
 517                         array('action' => 'ApiGroupJoin',
 518                               'id' => '[a-zA-Z0-9]+',
 519                               'format' => '(xml|json)'));
 520
 521             $m->connect('api/statusnet/groups/join/:id.:format',
 522                         array('action' => 'ApiGroupJoin',
 523                               'format' => '(xml|json)'));
 524
 525             $m->connect('api/statusnet/groups/leave.:format',
 526                         array('action' => 'ApiGroupLeave',
 527                               'id' => '[a-zA-Z0-9]+',
 528                               'format' => '(xml|json)'));
 529
 530             $m->connect('api/statusnet/groups/leave/:id.:format',
 531                         array('action' => 'ApiGroupLeave',
 532                               'format' => '(xml|json)'));
 533
 534             $m->connect('api/statusnet/groups/is_member.:format',
 535                         array('action' => 'ApiGroupIsMember',
 536                               'format' => '(xml|json)'));
 537
 538             $m->connect('api/statusnet/groups/list.:format',
 539                         array('action' => 'ApiGroupList',
 540                               'format' => '(xml|json|rss|atom)'));
 541
 542             $m->connect('api/statusnet/groups/list/:id.:format',
 543                         array('action' => 'ApiGroupList',
 544                               'id' => '[a-zA-Z0-9]+',
 545                               'format' => '(xml|json|rss|atom)'));
 546
 547             $m->connect('api/statusnet/groups/list_all.:format',
 548                         array('action' => 'ApiGroupListAll',
 549                               'format' => '(xml|json|rss|atom)'));
 550
 551             $m->connect('api/statusnet/groups/membership.:format',
 552                         array('action' => 'ApiGroupMembership',
 553                               'format' => '(xml|json)'));
 554
 555             $m->connect('api/statusnet/groups/membership/:id.:format',
 556                         array('action' => 'ApiGroupMembership',
 557                               'id' => '[a-zA-Z0-9]+',
 558                               'format' => '(xml|json)'));
 559
 560             $m->connect('api/statusnet/groups/create.:format',
 561                         array('action' => 'ApiGroupCreate',
 562                               'format' => '(xml|json)'));
 563             // Tags
 564             $m->connect('api/statusnet/tags/timeline/:tag.:format',
 565                         array('action' => 'ApiTimelineTag',
 566                               'format' => '(xmljson|rss|atom)'));
 567
 568             // search
 569             $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 570             $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 571             $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 572
 573             $m->connect('getfile/:filename',
 574                         array('action' => 'getfile'),
 575                         array('filename' => '[A-Za-z0-9._-]+'));
 576
 577             // user stuff
 578
 579             foreach (array('subscriptions', 'subscribers',
 580                            'nudge', 'all', 'foaf', 'xrds',
 581                            'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 582                 $m->connect(':nickname/'.$a,
 583                             array('action' => $a),
 584                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 585             }
 586
 587             foreach (array('subscriptions', 'subscribers') as $a) {
 588                 $m->connect(':nickname/'.$a.'/:tag',
 589                             array('action' => $a),
 590                             array('tag' => '[a-zA-Z0-9]+',
 591                                   'nickname' => '[a-zA-Z0-9]{1,64}'));
 592             }
 593
 594             foreach (array('rss', 'groups') as $a) {
 595                 $m->connect(':nickname/'.$a,
 596                             array('action' => 'user'.$a),
 597                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 598             }
 599
 600             foreach (array('all', 'replies', 'favorites') as $a) {
 601                 $m->connect(':nickname/'.$a.'/rss',
 602                             array('action' => $a.'rss'),
 603                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 604             }
 605
 606             $m->connect(':nickname/favorites',
 607                         array('action' => 'showfavorites'),
 608                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 609
 610             $m->connect(':nickname/avatar/:size',
 611                         array('action' => 'avatarbynickname'),
 612                         array('size' => '(original|96|48|24)',
 613                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 614
 615             $m->connect(':nickname/tag/:tag/rss',
 616                         array('action' => 'userrss'),
 617                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 618                         array('tag' => '[a-zA-Z0-9]+'));
 619
 620             $m->connect(':nickname/tag/:tag',
 621                         array('action' => 'showstream'),
 622                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 623                         array('tag' => '[a-zA-Z0-9]+'));
 624
 625             $m->connect(':nickname',
 626                         array('action' => 'showstream'),
 627                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 628
 629             Event::handle('RouterInitialized', array($m));
 630         }
 631
 632         return $m;
 633     }
 634
 635     function map($path)
 636     {
 637         try {
 638             $match = $this->m->match($path);
 639         } catch (Net_URL_Mapper_InvalidException $e) {
 640             common_log(LOG_ERR, "Problem getting route for $path - " .
 641                        $e->getMessage());
 642             $cac = new ClientErrorAction("Page not found.", 404);
 643             $cac->showPage();
 644         }
 645
 646         return $match;
 647     }
 648
 649     function build($action, $args=null, $params=null, $fragment=null)
 650     {
 651         $action_arg = array('action' => $action);
 652
 653         if ($args) {
 654             $args = array_merge($action_arg, $args);
 655         } else {
 656             $args = $action_arg;
 657         }
 658
 659         $url = $this->m->generate($args, $params, $fragment);
 660
 661         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 662         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 663         // repair that here rather than modifying the upstream code...
 664
 665         $qpos = strpos($url, '?');
 666         if ($qpos !== false) {
 667             $url = substr($url, 0, $qpos+1) .
 668               str_replace('?', '&', substr($url, $qpos+1));
 669         }
 670         return $url;
 671     }
 672 }