summaryrefslogtreecommitdiff
path: root/index.php
blob: a8890e9a3b673e9866fd1014c89884d055f6b4ec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
<?php
/**
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 *
 * 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/>.
 */

define('INSTALLDIR', dirname(__FILE__));
define('LACONICA', true);

require_once INSTALLDIR . '/lib/common.php';

$user = null;
$action = null;

function getPath($req)
{
    if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
        && array_key_exists('p', $req)) {
        return $req['p'];
    } else if (array_key_exists('PATH_INFO', $_SERVER)) {
        return $_SERVER['PATH_INFO'];
    } else {
        return null;
    }
}

function handleError($error)
{
    if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
        return;
    }

    common_log(LOG_ERR, "PEAR error: " . $error->getMessage());
    $msg = sprintf(_('The database for %s isn\'t responding correctly, '.
                     'so the site won\'t work properly. '.
                     'The site admins probably know about the problem, '.
                     'but you can contact them at %s to make sure. '.
                     'Otherwise, wait a few minutes and try again.'),
                   common_config('site', 'name'),
                   common_config('site', 'email'));

    $dac = new DBErrorAction($msg, 500);
    $dac->showPage();
    exit(-1);
}

function main()
{
    global $user, $action;

    // For database errors

    PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError');

    // XXX: we need a little more structure in this script

    // get and cache current user

    $user = common_current_user();

    // initialize language env

    common_init_language();

    $path = getPath($_REQUEST);

    $r = Router::get();

    $args = $r->map($path);

    if (!$args) {
        $cac = new ClientErrorAction(_('Unknown page'), 404);
        $cac->showPage();
        return;
    }

    $args = array_merge($args, $_REQUEST);

    $action = $args['action'];

    if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
        common_redirect(common_local_url('public'));
        return;
    }

    // If the site is private, and they're not on one of the "public"
    // parts of the site, redirect to login

    if (!$user && common_config('site', 'private') &&
        !in_array($action, array('login', 'openidlogin', 'finishopenidlogin',
                                 'recoverpassword', 'api', 'doc', 'register'))) {
        common_redirect(common_local_url('login'));
        return;
    }

    $action_class = ucfirst($action).'Action';

    if (!class_exists($action_class)) {
        $cac = new ClientErrorAction(_('Unknown action'), 404);
        $cac->showPage();
    } else {
        $action_obj = new $action_class();

        // XXX: find somewhere for this little block to live

        if ($config['db']['mirror'] && $action_obj->isReadOnly()) {
            if (is_array($config['db']['mirror'])) {
                // "load balancing", ha ha
                $k = array_rand($config['db']['mirror']);

                $mirror = $config['db']['mirror'][$k];
            } else {
                $mirror = $config['db']['mirror'];
            }
            $config['db']['database'] = $mirror;
        }

        try {
            if ($action_obj->prepare($args)) {
                $action_obj->handle($args);
            }
        } catch (ClientException $cex) {
            $cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
            $cac->showPage();
        } catch (ServerException $sex) { // snort snort guffaw
            $sac = new ServerErrorAction($sex->getMessage(), $sex->getCode());
            $sac->showPage();
        } catch (Exception $ex) {
            $sac = new ServerErrorAction($ex->getMessage());
            $sac->showPage();
        }
    }
}

main();

// XXX: cleanup exit() calls or add an exit handler so
// this always gets called

Event::handle('CleanupPlugin');