gnu-social/lib/router.php

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* URL routing utilities
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category URL
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once 'Net/URL/Mapper.php';
/**
* URL Router
*
* Cheap wrapper around Net_URL_Mapper
*
* @category URL
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class Router
{
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var $m = null;
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static $inst = null;
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static $bare = array('requesttoken', 'accesstoken', 'userauthorization',
'postnotice', 'updateprofile', 'finishremotesubscribe',
'finishopenidlogin', 'finishaddopenid');
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static function get()
{
if (!Router::$inst) {
Router::$inst = new Router();
}
return Router::$inst;
}
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function __construct()
{
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if (!$this->m) {
$this->m = $this->initialize();
}
}
function initialize() {
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$m = Net_URL_Mapper::getInstance();
// In the "root"
$m->connect('', array('action' => 'public'));
$m->connect('rss', array('action' => 'publicrss'));
$m->connect('xrds', array('action' => 'publicxrds'));
$m->connect('featuredrss', array('action' => 'featuredrss'));
$m->connect('favoritedrss', array('action' => 'favoritedrss'));
$m->connect('opensearch/people', array('action' => 'opensearch',
'type' => 'people'));
$m->connect('opensearch/notice', array('action' => 'opensearch',
'type' => 'notice'));
// docs
$m->connect('doc/:title', array('action' => 'doc'));
// facebook
$m->connect('facebook', array('action' => 'facebookhome'));
$m->connect('facebook/index.php', array('action' => 'facebookhome'));
$m->connect('facebook/settings.php', array('action' => 'facebooksettings'));
$m->connect('facebook/invite.php', array('action' => 'facebookinvite'));
$m->connect('facebook/remove', array('action' => 'facebookremove'));
// main stuff is repetitive
$main = array('login', 'logout', 'register', 'subscribe',
'unsubscribe', 'confirmaddress', 'recoverpassword',
'invite', 'favor', 'disfavor', 'sup',
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'block', 'subedit');
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foreach ($main as $a) {
$m->connect('main/'.$a, array('action' => $a));
}
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$m->connect('main/sup/:seconds', array('action' => 'sup'),
array('seconds' => '[0-9]+'));
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$m->connect('main/tagother/:id', array('action' => 'tagother'));
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// these take a code
foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
$m->connect('main/'.$c.'/:code', array('action' => $c));
}
// exceptional
$m->connect('main/openid', array('action' => 'openidlogin'));
$m->connect('main/remote', array('action' => 'remotesubscribe'));
$m->connect('main/remote?nickname=:nickname', array('action' => 'remotesubscribe'), array('nickname' => '[A-Za-z0-9_-]+'));
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foreach (Router::$bare as $action) {
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$m->connect('index.php?action=' . $action, array('action' => $action));
}
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// settings
foreach (array('profile', 'avatar', 'password', 'openid', 'im',
'email', 'sms', 'twitter', 'other') as $s) {
$m->connect('settings/'.$s, array('action' => $s.'settings'));
}
// search
foreach (array('group', 'people', 'notice') as $s) {
$m->connect('search/'.$s, array('action' => $s.'search'));
$m->connect('search/'.$s.'?q=:q', array('action' => $s.'search'),array('q' => '.+'));
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}
// The second of these is needed to make the link work correctly
// when inserted into the page. The first is needed to match the
// route on the way in. Seems to be another Net_URL_Mapper bug to me.
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$m->connect('search/notice/rss', array('action' => 'noticesearchrss'));
$m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),array('q' => '.+'));
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// notice
$m->connect('notice/new', array('action' => 'newnotice'));
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$m->connect('notice/new?replyto=:replyto',
array('action' => 'newnotice'),
array('replyto' => '[A-Za-z0-9_-]+'));
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$m->connect('notice/:notice',
array('action' => 'shownotice'),
array('notice' => '[0-9]+'));
$m->connect('notice/delete', array('action' => 'deletenotice'));
$m->connect('notice/delete/:notice',
array('action' => 'deletenotice'),
array('notice' => '[0-9]+'));
$m->connect('message/new', array('action' => 'newmessage'));
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$m->connect('message/new?to=:to', array('action' => 'newmessage'), array('to' => '[A-Za-z0-9_-]+'));
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$m->connect('message/:message',
array('action' => 'showmessage'),
array('message' => '[0-9]+'));
$m->connect('user/:id',
array('action' => 'userbyid'),
array('id' => '[0-9]+'));
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$m->connect('tags/', array('action' => 'publictagcloud'));
$m->connect('tag/', array('action' => 'publictagcloud'));
$m->connect('tags', array('action' => 'publictagcloud'));
$m->connect('tag', array('action' => 'publictagcloud'));
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$m->connect('tag/:tag/rss',
array('action' => 'tagrss'),
array('tag' => '[a-zA-Z0-9]+'));
$m->connect('tag/:tag',
array('action' => 'tag'),
array('tag' => '[a-zA-Z0-9]+'));
$m->connect('peopletag/:tag',
array('action' => 'peopletag'),
array('tag' => '[a-zA-Z0-9]+'));
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$m->connect('featured/', array('action' => 'featured'));
$m->connect('featured', array('action' => 'featured'));
$m->connect('favorited/', array('action' => 'favorited'));
$m->connect('favorited', array('action' => 'favorited'));
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// groups
$m->connect('group/new', array('action' => 'newgroup'));
foreach (array('edit', 'join', 'leave') as $v) {
$m->connect('group/:nickname/'.$v,
array('action' => $v.'group'),
array('nickname' => '[a-zA-Z0-9]+'));
}
foreach (array('members', 'logo', 'rss') as $n) {
$m->connect('group/:nickname/'.$n,
array('action' => 'group'.$n),
array('nickname' => '[a-zA-Z0-9]+'));
}
$m->connect('group/:id/id',
array('action' => 'groupbyid'),
array('id' => '[0-9]+'));
$m->connect('group/:nickname',
array('action' => 'showgroup'),
array('nickname' => '[a-zA-Z0-9]+'));
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$m->connect('group/', array('action' => 'groups'));
$m->connect('group', array('action' => 'groups'));
$m->connect('groups/', array('action' => 'groups'));
$m->connect('groups', array('action' => 'groups'));
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// Twitter-compatible API
// statuses API
$m->connect('api/statuses/:method',
array('action' => 'api',
'apiaction' => 'statuses'),
array('method' => '(public_timeline|friends_timeline|user_timeline|update|replies|friends|followers|featured)(\.(atom|rss|xml|json))?'));
$m->connect('api/statuses/:method/:argument',
array('action' => 'api',
'apiaction' => 'statuses'),
array('method' => '(user_timeline|friends_timeline|replies|show|destroy|friends|followers)'));
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// users
$m->connect('api/users/:method/:argument',
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array('action' => 'api',
'apiaction' => 'users'),
array('method' => 'show(\.(xml|json))?'));
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$m->connect('api/users/:method',
array('action' => 'api',
'apiaction' => 'users'),
array('method' => 'show(\.(xml|json))?'));
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// direct messages
foreach (array('xml', 'json') as $e) {
$m->connect('api/direct_messages/new.'.$e,
array('action' => 'api',
'apiaction' => 'direct_messages',
'method' => 'create.'.$e));
}
foreach (array('xml', 'json', 'rss', 'atom') as $e) {
$m->connect('api/direct_messages.'.$e,
array('action' => 'api',
'apiaction' => 'direct_messages',
'method' => 'direct_messages.'.$e));
}
foreach (array('xml', 'json', 'rss', 'atom') as $e) {
$m->connect('api/direct_messages/sent.'.$e,
array('action' => 'api',
'apiaction' => 'direct_messages',
'method' => 'sent.'.$e));
}
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$m->connect('api/direct_messages/destroy/:argument',
array('action' => 'api',
'apiaction' => 'direct_messages'));
// friendships
$m->connect('api/friendships/:method/:argument',
array('action' => 'api',
'apiaction' => 'friendships'),
array('method' => '(create|destroy)'));
$m->connect('api/friendships/:method',
array('action' => 'api',
'apiaction' => 'friendships'),
array('method' => 'exists(\.(xml|json))'));
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// Social graph
$m->connect('api/friends/ids/:argument',
array('action' => 'api',
'apiaction' => 'statuses',
'method' => 'friendsIDs'));
foreach (array('xml', 'json') as $e) {
$m->connect('api/friends/ids.'.$e,
array('action' => 'api',
'apiaction' => 'statuses',
'method' => 'friendsIDs.'.$e));
}
$m->connect('api/followers/ids/:argument',
array('action' => 'api',
'apiaction' => 'statuses',
'method' => 'followersIDs'));
foreach (array('xml', 'json') as $e) {
$m->connect('api/followers/ids.'.$e,
array('action' => 'api',
'apiaction' => 'statuses',
'method' => 'followersIDs.'.$e));
}
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// account
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$m->connect('api/account/:method',
array('action' => 'api',
'apiaction' => 'account'));
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// favorites
$m->connect('api/favorites/:method/:argument',
array('action' => 'api',
'apiaction' => 'favorites'));
$m->connect('api/favorites/:argument',
array('action' => 'api',
'apiaction' => 'favorites',
'method' => 'favorites'));
foreach (array('xml', 'json', 'rss', 'atom') as $e) {
$m->connect('api/favorites.'.$e,
array('action' => 'api',
'apiaction' => 'favorites',
'method' => 'favorites.'.$e));
}
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// notifications
$m->connect('api/notifications/:method/:argument',
array('action' => 'api',
'apiaction' => 'favorites'));
// blocks
$m->connect('api/blocks/:method/:argument',
array('action' => 'api',
'apiaction' => 'blocks'));
// help
$m->connect('api/help/:method',
array('action' => 'api',
'apiaction' => 'help'));
// laconica
$m->connect('api/laconica/:method',
array('action' => 'api',
'apiaction' => 'laconica'));
// search
$m->connect('api/search.atom', array('action' => 'twitapisearchatom'));
$m->connect('api/search.json', array('action' => 'twitapisearchjson'));
$m->connect('api/trends.json', array('action' => 'twitapitrends'));
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// user stuff
foreach (array('subscriptions', 'subscribers',
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'nudge', 'xrds', 'all', 'foaf',
'replies', 'inbox', 'outbox', 'microsummary') as $a) {
$m->connect(':nickname/'.$a,
array('action' => $a),
array('nickname' => '[a-zA-Z0-9]{1,64}'));
}
foreach (array('subscriptions', 'subscribers') as $a) {
$m->connect(':nickname/'.$a.'/:tag',
array('action' => $a),
array('tag' => '[a-zA-Z0-9]+',
'nickname' => '[a-zA-Z0-9]{1,64}'));
}
foreach (array('rss', 'groups') as $a) {
$m->connect(':nickname/'.$a,
array('action' => 'user'.$a),
array('nickname' => '[a-zA-Z0-9]{1,64}'));
}
foreach (array('all', 'replies', 'favorites') as $a) {
$m->connect(':nickname/'.$a.'/rss',
array('action' => $a.'rss'),
array('nickname' => '[a-zA-Z0-9]{1,64}'));
}
$m->connect(':nickname/favorites',
array('action' => 'showfavorites'),
array('nickname' => '[a-zA-Z0-9]{1,64}'));
$m->connect(':nickname/avatar/:size',
array('action' => 'avatarbynickname'),
array('size' => '(original|96|48|24)',
'nickname' => '[a-zA-Z0-9]{1,64}'));
$m->connect(':nickname',
array('action' => 'showstream'),
array('nickname' => '[a-zA-Z0-9]{1,64}'));
Event::handle('RouterInitialized', array($m));
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return $m;
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}
function map($path)
{
try {
$match = $this->m->match($path);
} catch (Net_URL_Mapper_InvalidException $e) {
common_log(LOG_ERR, "Problem getting route for $path - " .
$e->getMessage());
$cac = new ClientErrorAction("Page not found.", 404);
$cac->showPage();
}
return $match;
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}
function build($action, $args=null, $params=null, $fragment=null)
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{
$action_arg = array('action' => $action);
if ($args) {
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$args = array_merge($action_arg, $args);
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} else {
$args = $action_arg;
}
$url = $this->m->generate($args, $params, $fragment);
// Due to a bug in the Net_URL_Mapper code, the returned URL may
// contain a malformed query of the form ?p1=v1?p2=v2?p3=v3. We
// repair that here rather than modifying the upstream code...
$qpos = strpos($url,'?');
if ($qpos !== false) {
$url = substr($url, 0, $qpos+1) .
str_replace('?', '&', substr($url, $qpos+1));
}
return $url;
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}
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}