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1 <?php
2
3 /*
4  +-----------------------------------------------------------------------+
5  | program/include/iniset.php                                            |
6  |                                                                       |
7  | This file is part of the Roundcube Webmail client                     |
8  | Copyright (C) 2008-2011, The Roundcube Dev Team                       |
9  | Licensed under the GNU GPL                                            |
10  |                                                                       |
11  | PURPOSE:                                                              |
12  |   Setup the application envoronment required to process               |
13  |   any request.                                                        |
14  +-----------------------------------------------------------------------+
15  | Author: Till Klampaeckel <till@php.net>                               |
16  |         Thomas Bruederli <roundcube@gmail.com>                        |
17  +-----------------------------------------------------------------------+
18
19  $Id: iniset.php 5582 2011-12-09 08:55:40Z thomasb $
20
21 */
22
23 // Some users are not using Installer, so we'll check some
24 // critical PHP settings here. Only these, which doesn't provide
25 // an error/warning in the logs later. See (#1486307).
26 $crit_opts = array(
27     'mbstring.func_overload' => 0,
28     'suhosin.session.encrypt' => 0,
29     'session.auto_start' => 0,
30     'file_uploads' => 1,
31     'magic_quotes_runtime' => 0,
32 );
33 foreach ($crit_opts as $optname => $optval) {
34     if ($optval != ini_get($optname)) {
35         die("ERROR: Wrong '$optname' option value. Read REQUIREMENTS section in INSTALL file or use Roundcube Installer, please!");
36     }
37 }
38
39 // application constants
40 define('RCMAIL_VERSION', '0.7');
41 define('RCMAIL_CHARSET', 'UTF-8');
42 define('JS_OBJECT_NAME', 'rcmail');
43 define('RCMAIL_START', microtime(true));
44
45 if (!defined('INSTALL_PATH')) {
46     define('INSTALL_PATH', dirname($_SERVER['SCRIPT_FILENAME']).'/');
47 }
48
49 if (!defined('RCMAIL_CONFIG_DIR')) {
50     define('RCMAIL_CONFIG_DIR', INSTALL_PATH . 'config');
51 }
52
53 // make sure path_separator is defined
54 if (!defined('PATH_SEPARATOR')) {
55     define('PATH_SEPARATOR', (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') ? ';' : ':');
56 }
57
58 // RC include folders MUST be included FIRST to avoid other
59 // possible not compatible libraries (i.e PEAR) to be included
60 // instead the ones provided by RC
61 $include_path = INSTALL_PATH . 'program/lib' . PATH_SEPARATOR;
62 $include_path.= ini_get('include_path');
63
64 if (set_include_path($include_path) === false) {
65     die("Fatal error: ini_set/set_include_path does not work.");
66 }
67
68 ini_set('error_reporting', E_ALL&~E_NOTICE);
69
70 // increase maximum execution time for php scripts
71 // (does not work in safe mode)
72 @set_time_limit(120);
73
74 // set internal encoding for mbstring extension
75 if (extension_loaded('mbstring')) {
76     mb_internal_encoding(RCMAIL_CHARSET);
77     @mb_regex_encoding(RCMAIL_CHARSET);
78 }
79
80 /**
81  * Use PHP5 autoload for dynamic class loading
82  * 
83  * @todo Make Zend, PEAR etc play with this
84  * @todo Make our classes conform to a more straight forward CS.
85  */
86 function rcube_autoload($classname)
87 {
88     $filename = preg_replace(
89         array(
90             '/MDB2_(.+)/',
91             '/Mail_(.+)/',
92             '/Net_(.+)/',
93             '/Auth_(.+)/',
94             '/^html_.+/',
95             '/^utf8$/',
96         ),
97         array(
98             'MDB2/\\1',
99             'Mail/\\1',
100             'Net/\\1',
101             'Auth/\\1',
102             'html',
103             'utf8.class',
104         ),
105         $classname
106     );
107
108     if ($fp = @fopen("$filename.php", 'r', true)) {
109         fclose($fp);
110         include_once("$filename.php");
111         return true;
112     }
113
114     return false;
115 }
116
117 spl_autoload_register('rcube_autoload');
118
119 /**
120  * Local callback function for PEAR errors
121  */
122 function rcube_pear_error($err)
123 {
124     error_log(sprintf("%s (%s): %s",
125         $err->getMessage(),
126         $err->getCode(),
127         $err->getUserinfo()), 0);
128 }
129
130 // set PEAR error handling (will also load the PEAR main class)
131 PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
132
133 // include global functions
134 require_once INSTALL_PATH . 'program/include/main.inc';
135 require_once INSTALL_PATH . 'program/include/rcube_shared.inc';