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             // these take a code
 112
 113             foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
 114                 $m->connect('main/'.$c.'/:code', array('action' => $c));
 115             }
 116
 117             // exceptional
 118
 119             $m->connect('main/remote', array('action' => 'remotesubscribe'));
 120             $m->connect('main/remote?nickname=:nickname', array('action' => 'remotesubscribe'), array('nickname' => '[A-Za-z0-9_-]+'));
 121
 122             foreach (Router::$bare as $action) {
 123                 $m->connect('index.php?action=' . $action, array('action' => $action));
 124             }
 125
 126             // settings
 127
 128             foreach (array('profile', 'avatar', 'password', 'im',
 129                            'email', 'sms', 'userdesign', 'other') as $s) {
 130                 $m->connect('settings/'.$s, array('action' => $s.'settings'));
 131             }
 132
 133             // search
 134
 135             foreach (array('group', 'people', 'notice') as $s) {
 136                 $m->connect('search/'.$s, array('action' => $s.'search'));
 137                 $m->connect('search/'.$s.'?q=:q',
 138                             array('action' => $s.'search'),
 139                             array('q' => '.+'));
 140             }
 141
 142             // The second of these is needed to make the link work correctly
 143             // when inserted into the page. The first is needed to match the
 144             // route on the way in. Seems to be another Net_URL_Mapper bug to me.
 145             $m->connect('search/notice/rss', array('action' => 'noticesearchrss'));
 146             $m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),
 147                         array('q' => '.+'));
 148
 149             $m->connect('attachment/:attachment',
 150                         array('action' => 'attachment'),
 151                         array('attachment' => '[0-9]+'));
 152
 153             $m->connect('attachment/:attachment/ajax',
 154                         array('action' => 'attachment_ajax'),
 155                         array('attachment' => '[0-9]+'));
 156
 157             $m->connect('attachment/:attachment/thumbnail',
 158                         array('action' => 'attachment_thumbnail'),
 159                         array('attachment' => '[0-9]+'));
 160
 161             $m->connect('notice/new', array('action' => 'newnotice'));
 162             $m->connect('notice/new?replyto=:replyto',
 163                         array('action' => 'newnotice'),
 164                         array('replyto' => '[A-Za-z0-9_-]+'));
 165             $m->connect('notice/new?replyto=:replyto&inreplyto=:inreplyto',
 166                         array('action' => 'newnotice'),
 167                         array('replyto' => '[A-Za-z0-9_-]+'),
 168                         array('inreplyto' => '[0-9]+'));
 169
 170             $m->connect('notice/:notice/file',
 171                         array('action' => 'file'),
 172                         array('notice' => '[0-9]+'));
 173
 174             $m->connect('notice/:notice',
 175                         array('action' => 'shownotice'),
 176                         array('notice' => '[0-9]+'));
 177             $m->connect('notice/delete', array('action' => 'deletenotice'));
 178             $m->connect('notice/delete/:notice',
 179                         array('action' => 'deletenotice'),
 180                         array('notice' => '[0-9]+'));
 181
 182             // conversation
 183
 184             $m->connect('conversation/:id',
 185                         array('action' => 'conversation'),
 186                         array('id' => '[0-9]+'));
 187
 188             $m->connect('message/new', array('action' => 'newmessage'));
 189             $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 190             $m->connect('message/:message',
 191                         array('action' => 'showmessage'),
 192                         array('message' => '[0-9]+'));
 193
 194             $m->connect('user/:id',
 195                         array('action' => 'userbyid'),
 196                         array('id' => '[0-9]+'));
 197
 198             $m->connect('tags/', array('action' => 'publictagcloud'));
 199             $m->connect('tag/', array('action' => 'publictagcloud'));
 200             $m->connect('tags', array('action' => 'publictagcloud'));
 201             $m->connect('tag', array('action' => 'publictagcloud'));
 202             $m->connect('tag/:tag/rss',
 203                         array('action' => 'tagrss'),
 204                         array('tag' => '[a-zA-Z0-9]+'));
 205             $m->connect('tag/:tag',
 206                         array('action' => 'tag'),
 207                         array('tag' => '[\pL\pN_\-\.]{1,64}'));
 208
 209             $m->connect('peopletag/:tag',
 210                         array('action' => 'peopletag'),
 211                         array('tag' => '[a-zA-Z0-9]+'));
 212
 213             $m->connect('featured/', array('action' => 'featured'));
 214             $m->connect('featured', array('action' => 'featured'));
 215             $m->connect('favorited/', array('action' => 'favorited'));
 216             $m->connect('favorited', array('action' => 'favorited'));
 217
 218             // groups
 219
 220             $m->connect('group/new', array('action' => 'newgroup'));
 221
 222             foreach (array('edit', 'join', 'leave') as $v) {
 223                 $m->connect('group/:nickname/'.$v,
 224                             array('action' => $v.'group'),
 225                             array('nickname' => '[a-zA-Z0-9]+'));
 226             }
 227
 228             foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 229                 $m->connect('group/:nickname/'.$n,
 230                             array('action' => 'group'.$n),
 231                             array('nickname' => '[a-zA-Z0-9]+'));
 232             }
 233
 234             $m->connect('group/:nickname/foaf',
 235                         array('action' => 'foafgroup'),
 236                         array('nickname' => '[a-zA-Z0-9]+'));
 237
 238             $m->connect('group/:nickname/blocked',
 239                         array('action' => 'blockedfromgroup'),
 240                         array('nickname' => '[a-zA-Z0-9]+'));
 241
 242             $m->connect('group/:nickname/makeadmin',
 243                         array('action' => 'makeadmin'),
 244                         array('nickname' => '[a-zA-Z0-9]+'));
 245
 246             $m->connect('group/:id/id',
 247                         array('action' => 'groupbyid'),
 248                         array('id' => '[0-9]+'));
 249
 250             $m->connect('group/:nickname',
 251                         array('action' => 'showgroup'),
 252                         array('nickname' => '[a-zA-Z0-9]+'));
 253
 254             $m->connect('group/', array('action' => 'groups'));
 255             $m->connect('group', array('action' => 'groups'));
 256             $m->connect('groups/', array('action' => 'groups'));
 257             $m->connect('groups', array('action' => 'groups'));
 258
 259             // Twitter-compatible API
 260
 261             // statuses API
 262
 263             $m->connect('api/statuses/public_timeline.:format',
 264                         array('action' => 'ApiTimelinePublic',
 265                               'format' => '(xml|json|rss|atom)'));
 266
 267             $m->connect('api/statuses/friends_timeline.:format',
 268                         array('action' => 'ApiTimelineFriends',
 269                               'format' => '(xml|json|rss|atom)'));
 270
 271             $m->connect('api/statuses/friends_timeline/:id.:format',
 272                         array('action' => 'ApiTimelineFriends',
 273                               'id' => '[a-zA-Z0-9]+',
 274                               'format' => '(xml|json|rss|atom)'));
 275             $m->connect('api/statuses/home_timeline.:format',
 276                         array('action' => 'ApiTimelineFriends',
 277                               'format' => '(xml|json|rss|atom)'));
 278
 279             $m->connect('api/statuses/home_timeline/:id.:format',
 280                         array('action' => 'ApiTimelineFriends',
 281                               'id' => '[a-zA-Z0-9]+',
 282                               'format' => '(xml|json|rss|atom)'));
 283
 284             $m->connect('api/statuses/user_timeline.:format',
 285                         array('action' => 'ApiTimelineUser',
 286                               'format' => '(xml|json|rss|atom)'));
 287
 288             $m->connect('api/statuses/user_timeline/:id.:format',
 289                         array('action' => 'ApiTimelineUser',
 290                               'id' => '[a-zA-Z0-9]+',
 291                               'format' => '(xml|json|rss|atom)'));
 292
 293             $m->connect('api/statuses/mentions.:format',
 294                         array('action' => 'ApiTimelineMentions',
 295                               'format' => '(xml|json|rss|atom)'));
 296
 297             $m->connect('api/statuses/mentions/:id.:format',
 298                         array('action' => 'ApiTimelineMentions',
 299                               'id' => '[a-zA-Z0-9]+',
 300                               'format' => '(xml|json|rss|atom)'));
 301
 302             $m->connect('api/statuses/replies.:format',
 303                         array('action' => 'ApiTimelineMentions',
 304                               'format' => '(xml|json|rss|atom)'));
 305
 306             $m->connect('api/statuses/replies/:id.:format',
 307                         array('action' => 'ApiTimelineMentions',
 308                               'id' => '[a-zA-Z0-9]+',
 309                               'format' => '(xml|json|rss|atom)'));
 310
 311             $m->connect('api/statuses/friends.:format',
 312                         array('action' => 'ApiUserFriends',
 313                               'format' => '(xml|json)'));
 314
 315             $m->connect('api/statuses/friends/:id.:format',
 316                         array('action' => 'ApiUserFriends',
 317                               'id' => '[a-zA-Z0-9]+',
 318                               'format' => '(xml|json)'));
 319
 320             $m->connect('api/statuses/followers.:format',
 321                         array('action' => 'ApiUserFollowers',
 322                               'format' => '(xml|json)'));
 323
 324             $m->connect('api/statuses/followers/:id.:format',
 325                         array('action' => 'ApiUserFollowers',
 326                               'id' => '[a-zA-Z0-9]+',
 327                               'format' => '(xml|json)'));
 328
 329             $m->connect('api/statuses/show.:format',
 330                         array('action' => 'ApiStatusesShow',
 331                               'format' => '(xml|json)'));
 332
 333             $m->connect('api/statuses/show/:id.:format',
 334                         array('action' => 'ApiStatusesShow',
 335                               'id' => '[0-9]+',
 336                               'format' => '(xml|json)'));
 337
 338             $m->connect('api/statuses/update.:format',
 339                         array('action' => 'ApiStatusesUpdate',
 340                               'format' => '(xml|json)'));
 341
 342             $m->connect('api/statuses/destroy.:format',
 343                         array('action' => 'ApiStatusesDestroy',
 344                               'format' => '(xml|json)'));
 345
 346             $m->connect('api/statuses/destroy/:id.:format',
 347                         array('action' => 'ApiStatusesDestroy',
 348                               'id' => '[0-9]+',
 349                               'format' => '(xml|json)'));
 350
 351             // users
 352
 353             $m->connect('api/users/show/:id.:format',
 354                         array('action' => 'ApiUserShow',
 355                               'id' => '[a-zA-Z0-9]+',
 356                               'format' => '(xml|json)'));
 357
 358             $m->connect('api/users/:method',
 359                         array('action' => 'api',
 360                               'apiaction' => 'users'),
 361                         array('method' => 'show(\.(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
 458             // notifications
 459
 460             $m->connect('api/notifications/:method/:argument',
 461                         array('action' => 'api',
 462                               'apiaction' => 'favorites'));
 463
 464             // blocks
 465
 466             $m->connect('api/blocks/create/:id.:format',
 467                         array('action' => 'ApiBlockCreate',
 468                               'id' => '[a-zA-Z0-9]+',
 469                               'format' => '(xml|json)'));
 470
 471             $m->connect('api/blocks/destroy/:id.:format',
 472                         array('action' => 'ApiBlockDestroy',
 473                               'id' => '[a-zA-Z0-9]+',
 474                               'format' => '(xml|json)'));
 475             // help
 476
 477             $m->connect('api/help/test.:format',
 478                         array('action' => 'ApiHelpTest',
 479                               'format' => '(xml|json)'));
 480
 481             // statusnet
 482
 483             $m->connect('api/statusnet/version.:format',
 484                         array('action' => 'ApiStatusnetVersion',
 485                               'format' => '(xml|json)'));
 486
 487             $m->connect('api/statusnet/config.:format',
 488                         array('action' => 'ApiStatusnetConfig',
 489                               'format' => '(xml|json)'));
 490
 491             // For older methods, we provide "laconica" base action
 492
 493             $m->connect('api/laconica/version.:format',
 494                         array('action' => 'ApiStatusnetVersion',
 495                               'format' => '(xml|json)'));
 496
 497             $m->connect('api/laconica/config.:format',
 498                         array('action' => 'ApiStatusnetConfig',
 499                               'format' => '(xml|json)'));
 500
 501             // Groups and tags are newer than 0.8.1 so no backward-compatibility
 502             // necessary
 503
 504             // Groups
 505             //'list' has to be handled differently, as php will not allow a method to be named 'list'
 506
 507             $m->connect('api/statusnet/groups/timeline/:id.:format',
 508                         array('action' => 'ApiTimelineGroup',
 509                               'id' => '[a-zA-Z0-9]+',
 510                               'format' => '(xmljson|rss|atom)'));
 511
 512             $m->connect('api/statusnet/groups/show.:format',
 513                         array('action' => 'ApiGroupShow',
 514                               'format' => '(xml|json)'));
 515
 516             $m->connect('api/statusnet/groups/show/:id.:format',
 517                         array('action' => 'ApiGroupShow',
 518                               'id' => '[a-zA-Z0-9]+',
 519                               'format' => '(xml|json)'));
 520
 521             $m->connect('api/statusnet/groups/join.:format',
 522                         array('action' => 'ApiGroupJoin',
 523                               'id' => '[a-zA-Z0-9]+',
 524                               'format' => '(xml|json)'));
 525
 526             $m->connect('api/statusnet/groups/join/:id.:format',
 527                         array('action' => 'ApiGroupJoin',
 528                               'format' => '(xml|json)'));
 529
 530             $m->connect('api/statusnet/groups/leave.:format',
 531                         array('action' => 'ApiGroupLeave',
 532                               'id' => '[a-zA-Z0-9]+',
 533                               'format' => '(xml|json)'));
 534
 535             $m->connect('api/statusnet/groups/leave/:id.:format',
 536                         array('action' => 'ApiGroupLeave',
 537                               'format' => '(xml|json)'));
 538
 539             $m->connect('api/statusnet/groups/is_member.:format',
 540                         array('action' => 'ApiGroupIsMember',
 541                               'format' => '(xml|json)'));
 542
 543             $m->connect('api/statusnet/groups/list.:format',
 544                         array('action' => 'ApiGroupList',
 545                               'format' => '(xml|json|rss|atom)'));
 546
 547             $m->connect('api/statusnet/groups/list/:id.:format',
 548                         array('action' => 'ApiGroupList',
 549                               'id' => '[a-zA-Z0-9]+',
 550                               'format' => '(xml|json|rss|atom)'));
 551
 552             $m->connect('api/statusnet/groups/list_all.:format',
 553                         array('action' => 'ApiGroupListAll',
 554                               'format' => '(xml|json|rss|atom)'));
 555
 556             $m->connect('api/statusnet/groups/membership.:format',
 557                         array('action' => 'ApiGroupMembership',
 558                               'format' => '(xml|json)'));
 559
 560             $m->connect('api/statusnet/groups/membership/:id.:format',
 561                         array('action' => 'ApiGroupMembership',
 562                               'id' => '[a-zA-Z0-9]+',
 563                               'format' => '(xml|json)'));
 564
 565             $m->connect('api/statusnet/groups/create.:format',
 566                         array('action' => 'ApiGroupCreate',
 567                               'format' => '(xml|json)'));
 568             // Tags
 569             $m->connect('api/statusnet/tags/timeline/:tag.:format',
 570                         array('action' => 'ApiTimelineTag',
 571                               'format' => '(xmljson|rss|atom)'));
 572
 573             // search
 574             $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 575             $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 576             $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 577
 578             // user stuff
 579
 580             foreach (array('subscriptions', 'subscribers',
 581                            'nudge', 'all', 'foaf', 'xrds',
 582                            'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 583                 $m->connect(':nickname/'.$a,
 584                             array('action' => $a),
 585                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 586             }
 587
 588             foreach (array('subscriptions', 'subscribers') as $a) {
 589                 $m->connect(':nickname/'.$a.'/:tag',
 590                             array('action' => $a),
 591                             array('tag' => '[a-zA-Z0-9]+',
 592                                   'nickname' => '[a-zA-Z0-9]{1,64}'));
 593             }
 594
 595             foreach (array('rss', 'groups') as $a) {
 596                 $m->connect(':nickname/'.$a,
 597                             array('action' => 'user'.$a),
 598                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 599             }
 600
 601             foreach (array('all', 'replies', 'favorites') as $a) {
 602                 $m->connect(':nickname/'.$a.'/rss',
 603                             array('action' => $a.'rss'),
 604                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 605             }
 606
 607             $m->connect(':nickname/favorites',
 608                         array('action' => 'showfavorites'),
 609                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 610
 611             $m->connect(':nickname/avatar/:size',
 612                         array('action' => 'avatarbynickname'),
 613                         array('size' => '(original|96|48|24)',
 614                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 615
 616             $m->connect(':nickname/tag/:tag/rss',
 617                         array('action' => 'userrss'),
 618                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 619                         array('tag' => '[a-zA-Z0-9]+'));
 620
 621             $m->connect(':nickname/tag/:tag',
 622                         array('action' => 'showstream'),
 623                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 624                         array('tag' => '[a-zA-Z0-9]+'));
 625
 626             $m->connect(':nickname',
 627                         array('action' => 'showstream'),
 628                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 629
 630             Event::handle('RouterInitialized', array($m));
 631         }
 632
 633         return $m;
 634     }
 635
 636     function map($path)
 637     {
 638         try {
 639             $match = $this->m->match($path);
 640         } catch (Net_URL_Mapper_InvalidException $e) {
 641             common_log(LOG_ERR, "Problem getting route for $path - " .
 642                        $e->getMessage());
 643             $cac = new ClientErrorAction("Page not found.", 404);
 644             $cac->showPage();
 645         }
 646
 647         return $match;
 648     }
 649
 650     function build($action, $args=null, $params=null, $fragment=null)
 651     {
 652         $action_arg = array('action' => $action);
 653
 654         if ($args) {
 655             $args = array_merge($action_arg, $args);
 656         } else {
 657             $args = $action_arg;
 658         }
 659
 660         $url = $this->m->generate($args, $params, $fragment);
 661
 662         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 663         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 664         // repair that here rather than modifying the upstream code...
 665
 666         $qpos = strpos($url, '?');
 667         if ($qpos !== false) {
 668             $url = substr($url, 0, $qpos+1) .
 669               str_replace('?', '&', substr($url, $qpos+1));
 670         }
 671         return $url;
 672     }
 673 }