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             $m->connect('bookmarklet/new', array('action' => 'bookmarklet'));
 183
 184             // conversation
 185
 186             $m->connect('conversation/:id',
 187                         array('action' => 'conversation'),
 188                         array('id' => '[0-9]+'));
 189
 190             $m->connect('message/new', array('action' => 'newmessage'));
 191             $m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
 192             $m->connect('message/:message',
 193                         array('action' => 'showmessage'),
 194                         array('message' => '[0-9]+'));
 195
 196             $m->connect('user/:id',
 197                         array('action' => 'userbyid'),
 198                         array('id' => '[0-9]+'));
 199
 200             $m->connect('tags/', array('action' => 'publictagcloud'));
 201             $m->connect('tag/', array('action' => 'publictagcloud'));
 202             $m->connect('tags', array('action' => 'publictagcloud'));
 203             $m->connect('tag', array('action' => 'publictagcloud'));
 204             $m->connect('tag/:tag/rss',
 205                         array('action' => 'tagrss'),
 206                         array('tag' => '[a-zA-Z0-9]+'));
 207             $m->connect('tag/:tag',
 208                         array('action' => 'tag'),
 209                         array('tag' => '[\pL\pN_\-\.]{1,64}'));
 210
 211             $m->connect('peopletag/:tag',
 212                         array('action' => 'peopletag'),
 213                         array('tag' => '[a-zA-Z0-9]+'));
 214
 215             $m->connect('featured/', array('action' => 'featured'));
 216             $m->connect('featured', array('action' => 'featured'));
 217             $m->connect('favorited/', array('action' => 'favorited'));
 218             $m->connect('favorited', array('action' => 'favorited'));
 219
 220             // groups
 221
 222             $m->connect('group/new', array('action' => 'newgroup'));
 223
 224             foreach (array('edit', 'join', 'leave') as $v) {
 225                 $m->connect('group/:nickname/'.$v,
 226                             array('action' => $v.'group'),
 227                             array('nickname' => '[a-zA-Z0-9]+'));
 228             }
 229
 230             foreach (array('members', 'logo', 'rss', 'designsettings') as $n) {
 231                 $m->connect('group/:nickname/'.$n,
 232                             array('action' => 'group'.$n),
 233                             array('nickname' => '[a-zA-Z0-9]+'));
 234             }
 235
 236             $m->connect('group/:nickname/foaf',
 237                         array('action' => 'foafgroup'),
 238                         array('nickname' => '[a-zA-Z0-9]+'));
 239
 240             $m->connect('group/:nickname/blocked',
 241                         array('action' => 'blockedfromgroup'),
 242                         array('nickname' => '[a-zA-Z0-9]+'));
 243
 244             $m->connect('group/:nickname/makeadmin',
 245                         array('action' => 'makeadmin'),
 246                         array('nickname' => '[a-zA-Z0-9]+'));
 247
 248             $m->connect('group/:id/id',
 249                         array('action' => 'groupbyid'),
 250                         array('id' => '[0-9]+'));
 251
 252             $m->connect('group/:nickname',
 253                         array('action' => 'showgroup'),
 254                         array('nickname' => '[a-zA-Z0-9]+'));
 255
 256             $m->connect('group/', array('action' => 'groups'));
 257             $m->connect('group', array('action' => 'groups'));
 258             $m->connect('groups/', array('action' => 'groups'));
 259             $m->connect('groups', array('action' => 'groups'));
 260
 261             // Twitter-compatible API
 262
 263             // statuses API
 264
 265             $m->connect('api/statuses/public_timeline.:format',
 266                         array('action' => 'ApiTimelinePublic',
 267                               'format' => '(xml|json|rss|atom)'));
 268
 269             $m->connect('api/statuses/friends_timeline.:format',
 270                         array('action' => 'ApiTimelineFriends',
 271                               'format' => '(xml|json|rss|atom)'));
 272
 273             $m->connect('api/statuses/friends_timeline/:id.:format',
 274                         array('action' => 'ApiTimelineFriends',
 275                               'id' => '[a-zA-Z0-9]+',
 276                               'format' => '(xml|json|rss|atom)'));
 277             $m->connect('api/statuses/home_timeline.:format',
 278                         array('action' => 'ApiTimelineFriends',
 279                               'format' => '(xml|json|rss|atom)'));
 280
 281             $m->connect('api/statuses/home_timeline/:id.:format',
 282                         array('action' => 'ApiTimelineFriends',
 283                               'id' => '[a-zA-Z0-9]+',
 284                               'format' => '(xml|json|rss|atom)'));
 285
 286             $m->connect('api/statuses/user_timeline.:format',
 287                         array('action' => 'ApiTimelineUser',
 288                               'format' => '(xml|json|rss|atom)'));
 289
 290             $m->connect('api/statuses/user_timeline/:id.:format',
 291                         array('action' => 'ApiTimelineUser',
 292                               'id' => '[a-zA-Z0-9]+',
 293                               'format' => '(xml|json|rss|atom)'));
 294
 295             $m->connect('api/statuses/mentions.:format',
 296                         array('action' => 'ApiTimelineMentions',
 297                               'format' => '(xml|json|rss|atom)'));
 298
 299             $m->connect('api/statuses/mentions/:id.:format',
 300                         array('action' => 'ApiTimelineMentions',
 301                               'id' => '[a-zA-Z0-9]+',
 302                               'format' => '(xml|json|rss|atom)'));
 303
 304             $m->connect('api/statuses/replies.:format',
 305                         array('action' => 'ApiTimelineMentions',
 306                               'format' => '(xml|json|rss|atom)'));
 307
 308             $m->connect('api/statuses/replies/:id.:format',
 309                         array('action' => 'ApiTimelineMentions',
 310                               'id' => '[a-zA-Z0-9]+',
 311                               'format' => '(xml|json|rss|atom)'));
 312
 313             $m->connect('api/statuses/friends.:format',
 314                         array('action' => 'ApiUserFriends',
 315                               'format' => '(xml|json)'));
 316
 317             $m->connect('api/statuses/friends/:id.:format',
 318                         array('action' => 'ApiUserFriends',
 319                               'id' => '[a-zA-Z0-9]+',
 320                               'format' => '(xml|json)'));
 321
 322             $m->connect('api/statuses/followers.:format',
 323                         array('action' => 'ApiUserFollowers',
 324                               'format' => '(xml|json)'));
 325
 326             $m->connect('api/statuses/followers/:id.:format',
 327                         array('action' => 'ApiUserFollowers',
 328                               'id' => '[a-zA-Z0-9]+',
 329                               'format' => '(xml|json)'));
 330
 331             $m->connect('api/statuses/show.:format',
 332                         array('action' => 'ApiStatusesShow',
 333                               'format' => '(xml|json)'));
 334
 335             $m->connect('api/statuses/show/:id.:format',
 336                         array('action' => 'ApiStatusesShow',
 337                               'id' => '[0-9]+',
 338                               'format' => '(xml|json)'));
 339
 340             $m->connect('api/statuses/update.:format',
 341                         array('action' => 'ApiStatusesUpdate',
 342                               'format' => '(xml|json)'));
 343
 344             $m->connect('api/statuses/destroy.:format',
 345                         array('action' => 'ApiStatusesDestroy',
 346                               'format' => '(xml|json)'));
 347
 348             $m->connect('api/statuses/destroy/:id.:format',
 349                         array('action' => 'ApiStatusesDestroy',
 350                               'id' => '[0-9]+',
 351                               'format' => '(xml|json)'));
 352
 353             // users
 354
 355             $m->connect('api/users/show/:id.:format',
 356                         array('action' => 'ApiUserShow',
 357                               'id' => '[a-zA-Z0-9]+',
 358                               'format' => '(xml|json)'));
 359
 360             $m->connect('api/users/:method',
 361                         array('action' => 'api',
 362                               'apiaction' => 'users'),
 363                         array('method' => 'show(\.(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
 460             // notifications
 461
 462             $m->connect('api/notifications/:method/:argument',
 463                         array('action' => 'api',
 464                               'apiaction' => 'favorites'));
 465
 466             // blocks
 467
 468             $m->connect('api/blocks/create/:id.:format',
 469                         array('action' => 'ApiBlockCreate',
 470                               'id' => '[a-zA-Z0-9]+',
 471                               'format' => '(xml|json)'));
 472
 473             $m->connect('api/blocks/destroy/:id.:format',
 474                         array('action' => 'ApiBlockDestroy',
 475                               'id' => '[a-zA-Z0-9]+',
 476                               'format' => '(xml|json)'));
 477             // help
 478
 479             $m->connect('api/help/test.:format',
 480                         array('action' => 'ApiHelpTest',
 481                               'format' => '(xml|json)'));
 482
 483             // statusnet
 484
 485             $m->connect('api/statusnet/version.:format',
 486                         array('action' => 'ApiStatusnetVersion',
 487                               'format' => '(xml|json)'));
 488
 489             $m->connect('api/statusnet/config.:format',
 490                         array('action' => 'ApiStatusnetConfig',
 491                               'format' => '(xml|json)'));
 492
 493             // For older methods, we provide "laconica" base action
 494
 495             $m->connect('api/laconica/version.:format',
 496                         array('action' => 'ApiStatusnetVersion',
 497                               'format' => '(xml|json)'));
 498
 499             $m->connect('api/laconica/config.:format',
 500                         array('action' => 'ApiStatusnetConfig',
 501                               'format' => '(xml|json)'));
 502
 503             // Groups and tags are newer than 0.8.1 so no backward-compatibility
 504             // necessary
 505
 506             // Groups
 507             //'list' has to be handled differently, as php will not allow a method to be named 'list'
 508
 509             $m->connect('api/statusnet/groups/timeline/:id.:format',
 510                         array('action' => 'ApiTimelineGroup',
 511                               'id' => '[a-zA-Z0-9]+',
 512                               'format' => '(xmljson|rss|atom)'));
 513
 514             $m->connect('api/statusnet/groups/show.:format',
 515                         array('action' => 'ApiGroupShow',
 516                               'format' => '(xml|json)'));
 517
 518             $m->connect('api/statusnet/groups/show/:id.:format',
 519                         array('action' => 'ApiGroupShow',
 520                               'id' => '[a-zA-Z0-9]+',
 521                               'format' => '(xml|json)'));
 522
 523             $m->connect('api/statusnet/groups/join.:format',
 524                         array('action' => 'ApiGroupJoin',
 525                               'id' => '[a-zA-Z0-9]+',
 526                               'format' => '(xml|json)'));
 527
 528             $m->connect('api/statusnet/groups/join/:id.:format',
 529                         array('action' => 'ApiGroupJoin',
 530                               'format' => '(xml|json)'));
 531
 532             $m->connect('api/statusnet/groups/leave.:format',
 533                         array('action' => 'ApiGroupLeave',
 534                               'id' => '[a-zA-Z0-9]+',
 535                               'format' => '(xml|json)'));
 536
 537             $m->connect('api/statusnet/groups/leave/:id.:format',
 538                         array('action' => 'ApiGroupLeave',
 539                               'format' => '(xml|json)'));
 540
 541             $m->connect('api/statusnet/groups/is_member.:format',
 542                         array('action' => 'ApiGroupIsMember',
 543                               'format' => '(xml|json)'));
 544
 545             $m->connect('api/statusnet/groups/list.:format',
 546                         array('action' => 'ApiGroupList',
 547                               'format' => '(xml|json|rss|atom)'));
 548
 549             $m->connect('api/statusnet/groups/list/:id.:format',
 550                         array('action' => 'ApiGroupList',
 551                               'id' => '[a-zA-Z0-9]+',
 552                               'format' => '(xml|json|rss|atom)'));
 553
 554             $m->connect('api/statusnet/groups/list_all.:format',
 555                         array('action' => 'ApiGroupListAll',
 556                               'format' => '(xml|json|rss|atom)'));
 557
 558             $m->connect('api/statusnet/groups/membership.:format',
 559                         array('action' => 'ApiGroupMembership',
 560                               'format' => '(xml|json)'));
 561
 562             $m->connect('api/statusnet/groups/membership/:id.:format',
 563                         array('action' => 'ApiGroupMembership',
 564                               'id' => '[a-zA-Z0-9]+',
 565                               'format' => '(xml|json)'));
 566
 567             $m->connect('api/statusnet/groups/create.:format',
 568                         array('action' => 'ApiGroupCreate',
 569                               'format' => '(xml|json)'));
 570             // Tags
 571             $m->connect('api/statusnet/tags/timeline/:tag.:format',
 572                         array('action' => 'ApiTimelineTag',
 573                               'format' => '(xmljson|rss|atom)'));
 574
 575             // search
 576             $m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
 577             $m->connect('api/search.json', array('action' => 'twitapisearchjson'));
 578             $m->connect('api/trends.json', array('action' => 'twitapitrends'));
 579
 580             // user stuff
 581
 582             foreach (array('subscriptions', 'subscribers',
 583                            'nudge', 'all', 'foaf', 'xrds',
 584                            'replies', 'inbox', 'outbox', 'microsummary') as $a) {
 585                 $m->connect(':nickname/'.$a,
 586                             array('action' => $a),
 587                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 588             }
 589
 590             foreach (array('subscriptions', 'subscribers') as $a) {
 591                 $m->connect(':nickname/'.$a.'/:tag',
 592                             array('action' => $a),
 593                             array('tag' => '[a-zA-Z0-9]+',
 594                                   'nickname' => '[a-zA-Z0-9]{1,64}'));
 595             }
 596
 597             foreach (array('rss', 'groups') as $a) {
 598                 $m->connect(':nickname/'.$a,
 599                             array('action' => 'user'.$a),
 600                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 601             }
 602
 603             foreach (array('all', 'replies', 'favorites') as $a) {
 604                 $m->connect(':nickname/'.$a.'/rss',
 605                             array('action' => $a.'rss'),
 606                             array('nickname' => '[a-zA-Z0-9]{1,64}'));
 607             }
 608
 609             $m->connect(':nickname/favorites',
 610                         array('action' => 'showfavorites'),
 611                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 612
 613             $m->connect(':nickname/avatar/:size',
 614                         array('action' => 'avatarbynickname'),
 615                         array('size' => '(original|96|48|24)',
 616                               'nickname' => '[a-zA-Z0-9]{1,64}'));
 617
 618             $m->connect(':nickname/tag/:tag/rss',
 619                         array('action' => 'userrss'),
 620                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 621                         array('tag' => '[a-zA-Z0-9]+'));
 622
 623             $m->connect(':nickname/tag/:tag',
 624                         array('action' => 'showstream'),
 625                         array('nickname' => '[a-zA-Z0-9]{1,64}'),
 626                         array('tag' => '[a-zA-Z0-9]+'));
 627
 628             $m->connect(':nickname',
 629                         array('action' => 'showstream'),
 630                         array('nickname' => '[a-zA-Z0-9]{1,64}'));
 631
 632             Event::handle('RouterInitialized', array($m));
 633         }
 634
 635         return $m;
 636     }
 637
 638     function map($path)
 639     {
 640         try {
 641             $match = $this->m->match($path);
 642         } catch (Net_URL_Mapper_InvalidException $e) {
 643             common_log(LOG_ERR, "Problem getting route for $path - " .
 644                        $e->getMessage());
 645             $cac = new ClientErrorAction("Page not found.", 404);
 646             $cac->showPage();
 647         }
 648
 649         return $match;
 650     }
 651
 652     function build($action, $args=null, $params=null, $fragment=null)
 653     {
 654         $action_arg = array('action' => $action);
 655
 656         if ($args) {
 657             $args = array_merge($action_arg, $args);
 658         } else {
 659             $args = $action_arg;
 660         }
 661
 662         $url = $this->m->generate($args, $params, $fragment);
 663
 664         // Due to a bug in the Net_URL_Mapper code, the returned URL may
 665         // contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
 666         // repair that here rather than modifying the upstream code...
 667
 668         $qpos = strpos($url, '?');
 669         if ($qpos !== false) {
 670             $url = substr($url, 0, $qpos+1) .
 671               str_replace('?', '&', substr($url, $qpos+1));
 672         }
 673         return $url;
 674     }
 675 }