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             // main stuff is repetitive
  92
  93             $main = array('login', 'logout', 'register', 'subscribe',
  94                           'unsubscribe', 'confirmaddress', 'recoverpassword',
  95                           'invite', 'favor', 'disfavor', 'sup',
  96                           'block', 'unblock', 'subedit',
  97                           'groupblock', 'groupunblock');
  98
  99             foreach ($main as $a) {
 100                 $m->connect('main/'.$a, array('action' => $a));
 101             }
 102
 103             $m->connect('main/sup/:seconds', array('action' => 'sup'),
 104                         array('seconds' => '[0-9]+'));
 105
 106             $m->connect('main/tagother/:id', array('action' => 'tagother'));
 107
 108             $m->connect('main/oembed',
 109                         array('action' => 'oembed'));
 110
 111             $m->connect('main/xrds',
 112                         array('action' => 'publicxrds'));
 113
 114             // these take a code
 115
 116             foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
 117                 $m->connect('main/'.$c.'/:code', array('action' => $c));
 118             }
 119
 120             // exceptional
 121
 122             $m->connect('main/remote', array('action' => 'remotesubscribe'));
 123             $m->connect('main/remote?nickname=:nickname', array('action' => 'remotesubscribe'), array('nickname' => '[A-Za-z0-9_-]+'));
 124
 125             foreach (Router::$bare as $action) {
 126                 $m->connect('index.php?action=' . $action, array('action' => $action));
 127             }
 128
 129             // settings
 130
 131             foreach (array('profile', 'avatar', 'password', 'im',
 132                            'email', 'sms', 'userdesign', 'other') as $s) {
 133                 $m->connect('settings/'.$s, array('action' => $s.'settings'));
 134             }
 135
 136             // search
 137
 138             foreach (array('group', 'people', 'notice') as $s) {
 139                 $m->connect('search/'.$s, array('action' => $s.'search'));
 140                 $m->connect('search/'.$s.'?q=:q',
 141                             array('action' => $s.'search'),
 142                             array('q' => '.+'));
 143             }
 144
 145             // The second of these is needed to make the link work correctly
 146             // when inserted into the page. The first is needed to match the
 147             // route on the way in. Seems to be another Net_URL_Mapper bug to me.
 148             $m->connect('search/notice/rss', array('action' => 'noticesearchrss'));
 149             $m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),
 150                         array('q' => '.+'));
 151
 152             $m->connect('attachment/:attachment',
 153                         array('action' => 'attachment'),
 154                         array('attachment' => '[0-9]+'));
 155
 156             $m->connect('attachment/:attachment/ajax',
 157                         array('action' => 'attachment_ajax'),
 158                         array('attachment' => '[0-9]+'));
 159
 160             $m->connect('attachment/:attachment/thumbnail',
 161                         array('action' => 'attachment_thumbnail'),
 162                         array('attachment' => '[0-9]+'));
 163
 164             $m->connect('notice/new', array('action' => 'newnotice'));
 165             $m->connect('notice/new?replyto=:replyto',
 166                         array('action' => 'newnotice'),
 167                         array('replyto' => '[A-Za-z0-9_-]+'));
 168             $m->connect('notice/new?replyto=:replyto&inreplyto=:inreplyto',
 169                         array('action' => 'newnotice'),
 170                         array('replyto' => '[A-Za-z0-9_-]+'),
 171                         array('inreplyto' => '[0-9]+'));
 172
 173             $m->connect('notice/:notice/file',
 174                         array('action' => 'file'),
 175                         array('notice' => '[0-9]+'));
 176
 177             $m->connect('notice/:notice',
 178                         array('action' => 'shownotice'),
 179                         array('notice' => '[0-9]+'));
 180             $m->connect('notice/delete', array('action' => 'deletenotice'));
 181             $m->connect('notice/delete/:notice',
 182                         array('action' => 'deletenotice'),
 183                         array('notice' => '[0-9]+'));
 184
 185             $m->connect('bookmarklet/new', array('action' => 'bookmarklet'));
 186
 187             // conversation
 188
 189             $m->connect('conversation/:id',
 190                         array('action' => 'conversation'),
 191                         array('id' => '[0-9]+'));
 192
 193             $m->connect('message/new', array('action' => 'newmessage'));
 194             $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 195             $m->connect('message/:message',
 196                         array('action' => 'showmessage'),
 197                         array('message' => '[0-9]+'));
 198
 199             $m->connect('user/:id',
 200                         array('action' => 'userbyid'),
 201                         array('id' => '[0-9]+'));
 202
 203             $m->connect('tags/', array('action' => 'publictagcloud'));
 204             $m->connect('tag/', array('action' => 'publictagcloud'));
 205             $m->connect('tags', array('action' => 'publictagcloud'));
 206             $m->connect('tag', array('action' => 'publictagcloud'));
 207             $m->connect('tag/:tag/rss',
 208                         array('action' => 'tagrss'),
 209                         array('tag' => '[a-zA-Z0-9]+'));
 210             $m->connect('tag/:tag',
 211                         array('action' => 'tag'),
 212                         array('tag' => '[\pL\pN_\-\.]{1,64}'));
 213
 214             $m->connect('peopletag/:tag',
 215                         array('action' => 'peopletag'),
 216                         array('tag' => '[a-zA-Z0-9]+'));
 217
 218             $m->connect('featured/', array('action' => 'featured'));
 219             $m->connect('featured', array('action' => 'featured'));
 220             $m->connect('favorited/', array('action' => 'favorited'));
 221             $m->connect('favorited', array('action' => 'favorited'));
 222
 223             // groups
 224
 225             $m->connect('group/new', array('action' => 'newgroup'));
 226
 227             foreach (array('edit', 'join', 'leave') as $v) {
 228                 $m->connect('group/:nickname/'.$v,
 229                             array('action' => $v.'group'),
 230                             array('nickname' => '[a-zA-Z0-9]+'));
 231             }
 232
 233             foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 234                 $m->connect('group/:nickname/'.$n,
 235                             array('action' => 'group'.$n),
 236                             array('nickname' => '[a-zA-Z0-9]+'));
 237             }
 238
 239             $m->connect('group/:nickname/foaf',
 240                         array('action' => 'foafgroup'),
 241                         array('nickname' => '[a-zA-Z0-9]+'));
 242
 243             $m->connect('group/:nickname/blocked',
 244                         array('action' => 'blockedfromgroup'),
 245                         array('nickname' => '[a-zA-Z0-9]+'));
 246
 247             $m->connect('group/:nickname/makeadmin',
 248                         array('action' => 'makeadmin'),
 249                         array('nickname' => '[a-zA-Z0-9]+'));
 250
 251             $m->connect('group/:id/id',
 252                         array('action' => 'groupbyid'),
 253                         array('id' => '[0-9]+'));
 254
 255             $m->connect('group/:nickname',
 256                         array('action' => 'showgroup'),
 257                         array('nickname' => '[a-zA-Z0-9]+'));
 258
 259             $m->connect('group/', array('action' => 'groups'));
 260             $m->connect('group', array('action' => 'groups'));
 261             $m->connect('groups/', array('action' => 'groups'));
 262             $m->connect('groups', array('action' => 'groups'));
 263
 264             // Twitter-compatible API
 265
 266             // statuses API
 267
 268             $m->connect('api/statuses/public_timeline.:format',
 269                         array('action' => 'ApiTimelinePublic',
 270                               'format' => '(xml|json|rss|atom)'));
 271
 272             $m->connect('api/statuses/friends_timeline.:format',
 273                         array('action' => 'ApiTimelineFriends',
 274                               'format' => '(xml|json|rss|atom)'));
 275
 276             $m->connect('api/statuses/friends_timeline/:id.:format',
 277                         array('action' => 'ApiTimelineFriends',
 278                               'id' => '[a-zA-Z0-9]+',
 279                               'format' => '(xml|json|rss|atom)'));
 280             $m->connect('api/statuses/home_timeline.:format',
 281                         array('action' => 'ApiTimelineFriends',
 282                               'format' => '(xml|json|rss|atom)'));
 283
 284             $m->connect('api/statuses/home_timeline/:id.:format',
 285                         array('action' => 'ApiTimelineFriends',
 286                               'id' => '[a-zA-Z0-9]+',
 287                               'format' => '(xml|json|rss|atom)'));
 288
 289             $m->connect('api/statuses/user_timeline.:format',
 290                         array('action' => 'ApiTimelineUser',
 291                               'format' => '(xml|json|rss|atom)'));
 292
 293             $m->connect('api/statuses/user_timeline/:id.:format',
 294                         array('action' => 'ApiTimelineUser',
 295                               'id' => '[a-zA-Z0-9]+',
 296                               'format' => '(xml|json|rss|atom)'));
 297
 298             $m->connect('api/statuses/mentions.:format',
 299                         array('action' => 'ApiTimelineMentions',
 300                               'format' => '(xml|json|rss|atom)'));
 301
 302             $m->connect('api/statuses/mentions/:id.:format',
 303                         array('action' => 'ApiTimelineMentions',
 304                               'id' => '[a-zA-Z0-9]+',
 305                               'format' => '(xml|json|rss|atom)'));
 306
 307             $m->connect('api/statuses/replies.:format',
 308                         array('action' => 'ApiTimelineMentions',
 309                               'format' => '(xml|json|rss|atom)'));
 310
 311             $m->connect('api/statuses/replies/:id.:format',
 312                         array('action' => 'ApiTimelineMentions',
 313                               'id' => '[a-zA-Z0-9]+',
 314                               'format' => '(xml|json|rss|atom)'));
 315
 316             $m->connect('api/statuses/friends.:format',
 317                         array('action' => 'ApiUserFriends',
 318                               'format' => '(xml|json)'));
 319
 320             $m->connect('api/statuses/friends/:id.:format',
 321                         array('action' => 'ApiUserFriends',
 322                               'id' => '[a-zA-Z0-9]+',
 323                               'format' => '(xml|json)'));
 324
 325             $m->connect('api/statuses/followers.:format',
 326                         array('action' => 'ApiUserFollowers',
 327                               'format' => '(xml|json)'));
 328
 329             $m->connect('api/statuses/followers/:id.:format',
 330                         array('action' => 'ApiUserFollowers',
 331                               'id' => '[a-zA-Z0-9]+',
 332                               'format' => '(xml|json)'));
 333
 334             $m->connect('api/statuses/show.:format',
 335                         array('action' => 'ApiStatusesShow',
 336                               'format' => '(xml|json)'));
 337
 338             $m->connect('api/statuses/show/:id.:format',
 339                         array('action' => 'ApiStatusesShow',
 340                               'id' => '[0-9]+',
 341                               'format' => '(xml|json)'));
 342
 343             $m->connect('api/statuses/update.:format',
 344                         array('action' => 'ApiStatusesUpdate',
 345                               'format' => '(xml|json)'));
 346
 347             $m->connect('api/statuses/destroy.:format',
 348                         array('action' => 'ApiStatusesDestroy',
 349                               'format' => '(xml|json)'));
 350
 351             $m->connect('api/statuses/destroy/:id.:format',
 352                         array('action' => 'ApiStatusesDestroy',
 353                               'id' => '[0-9]+',
 354                               'format' => '(xml|json)'));
 355
 356             // users
 357
 358             $m->connect('api/users/show/:id.:format',
 359                         array('action' => 'ApiUserShow',
 360                               'id' => '[a-zA-Z0-9]+',
 361                               'format' => '(xml|json)'));
 362
 363             // direct messages
 364
 365             $m->connect('api/direct_messages.:format',
 366                         array('action' => 'ApiDirectMessage',
 367                               'format' => '(xml|json|rss|atom)'));
 368
 369             $m->connect('api/direct_messages/sent.:format',
 370                         array('action' => 'ApiDirectMessage',
 371                               'format' => '(xml|json|rss|atom)',
 372                               'sent' => true));
 373
 374             $m->connect('api/direct_messages/new.:format',
 375                         array('action' => 'ApiDirectMessageNew',
 376                               'format' => '(xml|json)'));
 377
 378             // friendships
 379
 380             $m->connect('api/friendships/show.:format',
 381                         array('action' => 'ApiFriendshipsShow',
 382                               'format' => '(xml|json)'));
 383
 384             $m->connect('api/friendships/exists.:format',
 385                         array('action' => 'ApiFriendshipsExists',
 386                               'format' => '(xml|json)'));
 387
 388             $m->connect('api/friendships/create.:format',
 389                         array('action' => 'ApiFriendshipsCreate',
 390                               'format' => '(xml|json)'));
 391
 392             $m->connect('api/friendships/destroy.:format',
 393                         array('action' => 'ApiFriendshipsDestroy',
 394                               'format' => '(xml|json)'));
 395
 396             $m->connect('api/friendships/create/:id.:format',
 397                         array('action' => 'ApiFriendshipsCreate',
 398                               'id' => '[a-zA-Z0-9]+',
 399                               'format' => '(xml|json)'));
 400
 401             $m->connect('api/friendships/destroy/:id.:format',
 402                         array('action' => 'ApiFriendshipsDestroy',
 403                               'id' => '[a-zA-Z0-9]+',
 404                               'format' => '(xml|json)'));
 405
 406             // Social graph
 407
 408             $m->connect('api/friends/ids/:id.:format',
 409                         array('action' => 'apiFriends',
 410                               'ids_only' => true));
 411
 412             $m->connect('api/followers/ids/:id.:format',
 413                         array('action' => 'apiFollowers',
 414                               'ids_only' => true));
 415
 416             $m->connect('api/friends/ids.:format',
 417                         array('action' => 'apiFriends',
 418                               'ids_only' => true));
 419
 420             $m->connect('api/followers/ids.:format',
 421                         array('action' => 'apiFollowers',
 422                               'ids_only' => true));
 423
 424             // account
 425
 426             $m->connect('api/account/verify_credentials.:format',
 427                         array('action' => 'ApiAccountVerifyCredentials'));
 428
 429             // special case where verify_credentials is called w/out a format
 430
 431             $m->connect('api/account/verify_credentials',
 432                         array('action' => 'ApiAccountVerifyCredentials'));
 433
 434             $m->connect('api/account/rate_limit_status.:format',
 435                         array('action' => 'ApiAccountRateLimitStatus'));
 436
 437             // favorites
 438
 439             $m->connect('api/favorites.:format',
 440                         array('action' => 'ApiTimelineFavorites',
 441                               'format' => '(xml|json|rss|atom)'));
 442
 443             $m->connect('api/favorites/:id.:format',
 444                         array('action' => 'ApiTimelineFavorites',
 445                               'id' => '[a-zA-Z0-9]+',
 446                               'format' => '(xmljson|rss|atom)'));
 447
 448             $m->connect('api/favorites/create/:id.:format',
 449                         array('action' => 'ApiFavoriteCreate',
 450                               'id' => '[a-zA-Z0-9]+',
 451                               'format' => '(xml|json)'));
 452
 453             $m->connect('api/favorites/destroy/:id.:format',
 454                         array('action' => 'ApiFavoriteDestroy',
 455                               'id' => '[a-zA-Z0-9]+',
 456                               'format' => '(xml|json)'));
 457             // blocks
 458
 459             $m->connect('api/blocks/create/:id.:format',
 460                         array('action' => 'ApiBlockCreate',
 461                               'id' => '[a-zA-Z0-9]+',
 462                               'format' => '(xml|json)'));
 463
 464             $m->connect('api/blocks/destroy/:id.:format',
 465                         array('action' => 'ApiBlockDestroy',
 466                               'id' => '[a-zA-Z0-9]+',
 467                               'format' => '(xml|json)'));
 468             // help
 469
 470             $m->connect('api/help/test.:format',
 471                         array('action' => 'ApiHelpTest',
 472                               'format' => '(xml|json)'));
 473
 474             // statusnet
 475
 476             $m->connect('api/statusnet/version.:format',
 477                         array('action' => 'ApiStatusnetVersion',
 478                               'format' => '(xml|json)'));
 479
 480             $m->connect('api/statusnet/config.:format',
 481                         array('action' => 'ApiStatusnetConfig',
 482                               'format' => '(xml|json)'));
 483
 484             // For older methods, we provide "laconica" base action
 485
 486             $m->connect('api/laconica/version.:format',
 487                         array('action' => 'ApiStatusnetVersion',
 488                               'format' => '(xml|json)'));
 489
 490             $m->connect('api/laconica/config.:format',
 491                         array('action' => 'ApiStatusnetConfig',
 492                               'format' => '(xml|json)'));
 493
 494             // Groups and tags are newer than 0.8.1 so no backward-compatibility
 495             // necessary
 496
 497             // Groups
 498             //'list' has to be handled differently, as php will not allow a method to be named 'list'
 499
 500             $m->connect('api/statusnet/groups/timeline/:id.:format',
 501                         array('action' => 'ApiTimelineGroup',
 502                               'id' => '[a-zA-Z0-9]+',
 503                               'format' => '(xmljson|rss|atom)'));
 504
 505             $m->connect('api/statusnet/groups/show.:format',
 506                         array('action' => 'ApiGroupShow',
 507                               'format' => '(xml|json)'));
 508
 509             $m->connect('api/statusnet/groups/show/:id.:format',
 510                         array('action' => 'ApiGroupShow',
 511                               'id' => '[a-zA-Z0-9]+',
 512                               'format' => '(xml|json)'));
 513
 514             $m->connect('api/statusnet/groups/join.:format',
 515                         array('action' => 'ApiGroupJoin',
 516                               'id' => '[a-zA-Z0-9]+',
 517                               'format' => '(xml|json)'));
 518
 519             $m->connect('api/statusnet/groups/join/:id.:format',
 520                         array('action' => 'ApiGroupJoin',
 521                               'format' => '(xml|json)'));
 522
 523             $m->connect('api/statusnet/groups/leave.:format',
 524                         array('action' => 'ApiGroupLeave',
 525                               'id' => '[a-zA-Z0-9]+',
 526                               'format' => '(xml|json)'));
 527
 528             $m->connect('api/statusnet/groups/leave/:id.:format',
 529                         array('action' => 'ApiGroupLeave',
 530                               'format' => '(xml|json)'));
 531
 532             $m->connect('api/statusnet/groups/is_member.:format',
 533                         array('action' => 'ApiGroupIsMember',
 534                               'format' => '(xml|json)'));
 535
 536             $m->connect('api/statusnet/groups/list.:format',
 537                         array('action' => 'ApiGroupList',
 538                               'format' => '(xml|json|rss|atom)'));
 539
 540             $m->connect('api/statusnet/groups/list/:id.:format',
 541                         array('action' => 'ApiGroupList',
 542                               'id' => '[a-zA-Z0-9]+',
 543                               'format' => '(xml|json|rss|atom)'));
 544
 545             $m->connect('api/statusnet/groups/list_all.:format',
 546                         array('action' => 'ApiGroupListAll',
 547                               'format' => '(xml|json|rss|atom)'));
 548
 549             $m->connect('api/statusnet/groups/membership.:format',
 550                         array('action' => 'ApiGroupMembership',
 551                               'format' => '(xml|json)'));
 552
 553             $m->connect('api/statusnet/groups/membership/:id.:format',
 554                         array('action' => 'ApiGroupMembership',
 555                               'id' => '[a-zA-Z0-9]+',
 556                               'format' => '(xml|json)'));
 557
 558             $m->connect('api/statusnet/groups/create.:format',
 559                         array('action' => 'ApiGroupCreate',
 560                               'format' => '(xml|json)'));
 561             // Tags
 562             $m->connect('api/statusnet/tags/timeline/:tag.:format',
 563                         array('action' => 'ApiTimelineTag',
 564                               'format' => '(xmljson|rss|atom)'));
 565
 566             // search
 567             $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 568             $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 569             $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 570
 571             $m->connect('getfile/:filename',
 572                         array('action' => 'getfile'),
 573                         array('filename' => '[A-Za-z0-9._-]+'));
 574
 575             // user stuff
 576
 577             foreach (array('subscriptions', 'subscribers',
 578                            'nudge', 'all', 'foaf', 'xrds',
 579                            'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 580                 $m->connect(':nickname/'.$a,
 581                             array('action' => $a),
 582                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 583             }
 584
 585             foreach (array('subscriptions', 'subscribers') as $a) {
 586                 $m->connect(':nickname/'.$a.'/:tag',
 587                             array('action' => $a),
 588                             array('tag' => '[a-zA-Z0-9]+',
 589                                   'nickname' => '[a-zA-Z0-9]{1,64}'));
 590             }
 591
 592             foreach (array('rss', 'groups') as $a) {
 593                 $m->connect(':nickname/'.$a,
 594                             array('action' => 'user'.$a),
 595                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 596             }
 597
 598             foreach (array('all', 'replies', 'favorites') as $a) {
 599                 $m->connect(':nickname/'.$a.'/rss',
 600                             array('action' => $a.'rss'),
 601                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 602             }
 603
 604             $m->connect(':nickname/favorites',
 605                         array('action' => 'showfavorites'),
 606                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 607
 608             $m->connect(':nickname/avatar/:size',
 609                         array('action' => 'avatarbynickname'),
 610                         array('size' => '(original|96|48|24)',
 611                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 612
 613             $m->connect(':nickname/tag/:tag/rss',
 614                         array('action' => 'userrss'),
 615                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 616                         array('tag' => '[a-zA-Z0-9]+'));
 617
 618             $m->connect(':nickname/tag/:tag',
 619                         array('action' => 'showstream'),
 620                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 621                         array('tag' => '[a-zA-Z0-9]+'));
 622
 623             $m->connect(':nickname',
 624                         array('action' => 'showstream'),
 625                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 626
 627             Event::handle('RouterInitialized', array($m));
 628         }
 629
 630         return $m;
 631     }
 632
 633     function map($path)
 634     {
 635         try {
 636             $match = $this->m->match($path);
 637         } catch (Net_URL_Mapper_InvalidException $e) {
 638             common_log(LOG_ERR, "Problem getting route for $path - " .
 639                        $e->getMessage());
 640             $cac = new ClientErrorAction("Page not found.", 404);
 641             $cac->showPage();
 642         }
 643
 644         return $match;
 645     }
 646
 647     function build($action, $args=null, $params=null, $fragment=null)
 648     {
 649         $action_arg = array('action' => $action);
 650
 651         if ($args) {
 652             $args = array_merge($action_arg, $args);
 653         } else {
 654             $args = $action_arg;
 655         }
 656
 657         $url = $this->m->generate($args, $params, $fragment);
 658
 659         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 660         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 661         // repair that here rather than modifying the upstream code...
 662
 663         $qpos = strpos($url, '?');
 664         if ($qpos !== false) {
 665             $url = substr($url, 0, $qpos+1) .
 666               str_replace('?', '&', substr($url, $qpos+1));
 667         }
 668         return $url;
 669     }
 670 }