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1 | <?php |
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2 | |
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3 | /** |
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4 | * redirect.php |
5 | * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de> |
6 | * |
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7 | * Copyright (c) 1999-2003 The SquirrelMail Project Team |
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8 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
9 | * |
10 | * Prevents users from reposting their form data after a successful logout. |
11 | * |
12 | * $Id$ |
13 | */ |
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14 | |
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15 | /* Path for SquirrelMail required files. */ |
16 | define('SM_PATH','../'); |
17 | |
18 | /* SquirrelMail required files. */ |
19 | require_once(SM_PATH . 'functions/i18n.php'); |
20 | require_once(SM_PATH . 'functions/strings.php'); |
21 | require_once(SM_PATH . 'config/config.php'); |
22 | require_once(SM_PATH . 'functions/prefs.php'); |
23 | require_once(SM_PATH . 'functions/imap.php'); |
24 | require_once(SM_PATH . 'functions/plugin.php'); |
25 | require_once(SM_PATH . 'functions/constants.php'); |
26 | require_once(SM_PATH . 'functions/page_header.php'); |
27 | require_once(SM_PATH . 'functions/global.php'); |
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28 | |
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29 | // Remove slashes if PHP added them |
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30 | $REQUEST_METHOD = $_SERVER['REQUEST_METHOD']; |
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31 | if (get_magic_quotes_gpc()) { |
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32 | if ($REQUEST_METHOD == 'POST') { |
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33 | RemoveSlashes($_POST); |
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34 | } else if ($REQUEST_METHOD == 'GET') { |
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35 | RemoveSlashes($_GET); |
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36 | } |
37 | } |
38 | |
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39 | /* Before starting the session, the base URI must be known. Assuming */ |
40 | /* that this file is in the src/ subdirectory (or something). */ |
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41 | if (!function_exists('sqm_baseuri')){ |
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42 | require_once(SM_PATH . 'functions/display_messages.php'); |
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43 | } |
44 | $base_uri = sqm_baseuri(); |
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45 | |
46 | header('Pragma: no-cache'); |
47 | $location = get_location(); |
48 | |
49 | session_set_cookie_params (0, $base_uri); |
50 | session_start(); |
51 | |
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52 | sqsession_unregister ('user_is_logged_in'); |
53 | sqsession_register ($base_uri, 'base_uri'); |
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54 | |
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55 | /* get globals we me need */ |
56 | if (isset($_POST['login_username'])) { |
57 | $login_username = $_POST['login_username']; |
58 | } |
59 | if (!isset($_COOKIE['squirrelmail_language']) || |
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60 | $squirrelmail_language == '' ) { |
61 | $squirrelmail_language = $squirrelmail_default_language; |
62 | } |
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63 | else { |
64 | $squirrelmail_language = $_COOKIE['squirrelmail_language']; |
65 | } |
66 | if (isset($_POST['secretkey'])) { |
67 | $secretkey = $_POST['secretkey']; |
68 | } |
69 | if (isset($_POST['js_autodetect_results'])) { |
70 | $js_autodetect_results = $_POST['js_autodetect_results']; |
71 | } |
72 | /* end of get globals */ |
73 | |
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74 | set_up_language($squirrelmail_language, true); |
75 | /* Refresh the language cookie. */ |
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76 | setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, |
77 | $base_uri); |
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78 | |
79 | if (!isset($login_username)) { |
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80 | include_once( '../functions/display_messages.php' ); |
81 | logout_error( _("You must be logged in to access this page.") ); |
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82 | exit; |
83 | } |
84 | |
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85 | if (!sqsession_is_registered('user_is_logged_in')) { |
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86 | do_hook ('login_before'); |
87 | |
88 | $onetimepad = OneTimePadCreate(strlen($secretkey)); |
89 | $key = OneTimePadEncrypt($secretkey, $onetimepad); |
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90 | sqsession_register($onetimepad, 'onetimepad'); |
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91 | |
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92 | /* remove redundant spaces */ |
93 | $login_username = trim($login_username); |
94 | |
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95 | /* Verify that username and password are correct. */ |
96 | if ($force_username_lowercase) { |
97 | $login_username = strtolower($login_username); |
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98 | } |
99 | |
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100 | $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0); |
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101 | |
102 | $sqimap_capabilities = sqimap_capability($imapConnection); |
103 | sqsession_register($sqimap_capabilities, 'sqimap_capabilities'); |
104 | $delimiter = sqimap_get_delimiter ($imapConnection); |
105 | |
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106 | sqimap_logout($imapConnection); |
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107 | sqsession_register($delimiter, 'delimiter'); |
108 | |
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109 | $username = $login_username; |
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110 | sqsession_register ($username, 'username'); |
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111 | setcookie('key', $key, 0, $base_uri); |
112 | do_hook ('login_verified'); |
113 | |
114 | } |
115 | |
116 | /* Set the login variables. */ |
117 | $user_is_logged_in = true; |
118 | $just_logged_in = true; |
119 | |
120 | /* And register with them with the session. */ |
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121 | sqsession_register ($user_is_logged_in, 'user_is_logged_in'); |
122 | sqsession_register ($just_logged_in, 'just_logged_in'); |
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123 | |
124 | /* parse the accepted content-types of the client */ |
125 | $attachment_common_types = array(); |
126 | $attachment_common_types_parsed = array(); |
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127 | sqsession_register($attachment_common_types, 'attachment_common_types'); |
128 | sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed'); |
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129 | |
130 | $debug = false; |
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131 | |
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132 | if (isset($_SERVER['HTTP_ACCEPT']) && |
133 | !isset($attachment_common_types_parsed[$_SERVER['HTTP_ACCEPT']])) { |
134 | attachment_common_parse($_SERVER['HTTP_ACCEPT'], $debug); |
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135 | } |
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136 | |
137 | /* Complete autodetection of Javascript. */ |
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138 | $javascript_setting = getPref |
139 | ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); |
140 | $js_autodetect_results = (isset($js_autodetect_results) ? |
141 | $js_autodetect_results : SMPREF_JS_OFF); |
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142 | /* See if it's set to "Always on" */ |
143 | $js_pref = SMPREF_JS_ON; |
144 | if ($javascript_setting != SMPREF_JS_ON){ |
145 | if ($javascript_setting == SMPREF_JS_AUTODETECT) { |
146 | if ($js_autodetect_results == SMPREF_JS_OFF) { |
147 | $js_pref = SMPREF_JS_OFF; |
148 | } |
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149 | } else { |
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150 | $js_pref = SMPREF_JS_OFF; |
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151 | } |
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152 | } |
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153 | /* Update the prefs */ |
154 | setPref($data_dir, $username, 'javascript_on', $js_pref); |
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155 | |
156 | /* Compute the URL to forward the user to. */ |
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157 | if (isset($_SESSION['session_expired_location'])) { |
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158 | $session_expired_location= $_SESSION['session_expired_location']; |
159 | } else { |
160 | $session_expired_location=false; |
161 | } |
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162 | if (isset($session_expired_location) && $session_expired_location) { |
163 | $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0); |
164 | if ($compose_new_win) { |
165 | $redirect_url = $session_expired_location; |
166 | } else { |
167 | $redirect_url = 'webmail.php?right_frame='.urldecode($session_expired_location); |
168 | } |
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169 | sqsession_unregister('session_expired_location'); |
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170 | unset($session_expired_location); |
171 | } else { |
172 | $redirect_url = 'webmail.php'; |
173 | } |
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174 | |
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175 | /* Write session data and send them off to the appropriate page. */ |
176 | session_write_close(); |
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177 | header("Location: $redirect_url"); |
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178 | |
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179 | /* --------------------- end main ----------------------- */ |
180 | |
181 | function attachment_common_parse($str, $debug) { |
182 | global $attachment_common_types, $attachment_common_types_parsed; |
183 | |
184 | $attachment_common_types_parsed[$str] = true; |
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185 | |
186 | /* |
187 | * Replace ", " with "," and explode on that as Mozilla 1.x seems to |
188 | * use "," to seperate whilst IE, and earlier versions of Mozilla use |
189 | * ", " to seperate |
190 | */ |
191 | |
192 | $str = str_replace( ', ' , ',' , $str ); |
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193 | $types = explode(',', $str); |
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194 | |
195 | foreach ($types as $val) { |
196 | // Ignore the ";q=1.0" stuff |
197 | if (strpos($val, ';') !== false) |
198 | $val = substr($val, 0, strpos($val, ';')); |
199 | |
200 | if (! isset($attachment_common_types[$val])) { |
201 | $attachment_common_types[$val] = true; |
202 | } |
203 | } |
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204 | $_SESSION['attachment_common_types'] = $attachment_common_types; |
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205 | } |
206 | |
207 | |
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208 | ?> |