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1 | <?php |
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2 | |
35586184 |
3 | /** |
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4 | * redirect.php |
5 | * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de> |
6 | * |
7 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
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 |
30 | if (get_magic_quotes_gpc()) { |
31 | global $REQUEST_METHOD; |
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32 | |
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33 | if ($REQUEST_METHOD == 'POST') { |
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34 | global $HTTP_POST_VARS; |
35 | RemoveSlashes($HTTP_POST_VARS); |
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36 | } else if ($REQUEST_METHOD == 'GET') { |
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37 | global $HTTP_GET_VARS; |
38 | RemoveSlashes($HTTP_GET_VARS); |
39 | } |
40 | } |
41 | |
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42 | /* Before starting the session, the base URI must be known. Assuming */ |
43 | /* that this file is in the src/ subdirectory (or something). */ |
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44 | if (!function_exists('sqm_baseuri')){ |
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45 | require_once(SM_PATH . 'functions/display_messages.php'); |
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46 | } |
47 | $base_uri = sqm_baseuri(); |
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48 | |
49 | header('Pragma: no-cache'); |
50 | $location = get_location(); |
51 | |
52 | session_set_cookie_params (0, $base_uri); |
53 | session_start(); |
54 | |
55 | session_unregister ('user_is_logged_in'); |
56 | session_register ('base_uri'); |
57 | |
58 | if (! isset($squirrelmail_language) || |
59 | $squirrelmail_language == '' ) { |
60 | $squirrelmail_language = $squirrelmail_default_language; |
61 | } |
62 | set_up_language($squirrelmail_language, true); |
63 | /* Refresh the language cookie. */ |
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64 | setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000, |
65 | $base_uri); |
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66 | |
67 | if (!isset($login_username)) { |
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68 | include_once( '../functions/display_messages.php' ); |
69 | logout_error( _("You must be logged in to access this page.") ); |
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70 | exit; |
71 | } |
72 | |
73 | if (!session_is_registered('user_is_logged_in')) { |
74 | do_hook ('login_before'); |
75 | |
76 | $onetimepad = OneTimePadCreate(strlen($secretkey)); |
77 | $key = OneTimePadEncrypt($secretkey, $onetimepad); |
78 | session_register('onetimepad'); |
79 | |
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80 | /* remove redundant spaces */ |
81 | $login_username = trim($login_username); |
82 | |
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83 | /* Verify that username and password are correct. */ |
84 | if ($force_username_lowercase) { |
85 | $login_username = strtolower($login_username); |
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86 | } |
87 | |
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88 | $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0); |
89 | if (!$imapConnection) { |
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90 | $errTitle = _("There was an error contacting the mail server."); |
91 | $errString = $errTitle . "<br>\n". |
92 | _("Contact your administrator for help."); |
93 | include_once( '../functions/display_messages.php' ); |
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94 | logout_error( $errString, $errTitle ); |
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95 | exit; |
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96 | } else { |
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97 | $sqimap_capabilities = sqimap_capability($imapConnection); |
98 | session_register('sqimap_capabilities'); |
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99 | $delimiter = sqimap_get_delimiter ($imapConnection); |
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100 | } |
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101 | sqimap_logout($imapConnection); |
102 | session_register('delimiter'); |
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103 | global $username; |
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104 | $username = $login_username; |
105 | session_register ('username'); |
106 | setcookie('key', $key, 0, $base_uri); |
107 | do_hook ('login_verified'); |
108 | |
109 | } |
110 | |
111 | /* Set the login variables. */ |
112 | $user_is_logged_in = true; |
113 | $just_logged_in = true; |
114 | |
115 | /* And register with them with the session. */ |
116 | session_register ('user_is_logged_in'); |
117 | session_register ('just_logged_in'); |
118 | |
119 | /* parse the accepted content-types of the client */ |
120 | $attachment_common_types = array(); |
121 | $attachment_common_types_parsed = array(); |
122 | session_register('attachment_common_types'); |
123 | session_register('attachment_common_types_parsed'); |
124 | |
125 | $debug = false; |
126 | if (isset($HTTP_SERVER_VARS['HTTP_ACCEPT']) && |
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127 | !isset($attachment_common_types_parsed[$HTTP_SERVER_VARS['HTTP_ACCEPT']])) { |
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128 | attachment_common_parse($HTTP_SERVER_VARS['HTTP_ACCEPT'], $debug); |
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129 | } |
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130 | if (isset($HTTP_ACCEPT) && |
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131 | !isset($attachment_common_types_parsed[$HTTP_ACCEPT])) { |
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132 | attachment_common_parse($HTTP_ACCEPT, $debug); |
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133 | } |
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134 | |
135 | /* Complete autodetection of Javascript. */ |
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136 | $javascript_setting = getPref |
137 | ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT); |
138 | $js_autodetect_results = (isset($js_autodetect_results) ? |
139 | $js_autodetect_results : SMPREF_JS_OFF); |
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140 | /* See if it's set to "Always on" */ |
141 | $js_pref = SMPREF_JS_ON; |
142 | if ($javascript_setting != SMPREF_JS_ON){ |
143 | if ($javascript_setting == SMPREF_JS_AUTODETECT) { |
144 | if ($js_autodetect_results == SMPREF_JS_OFF) { |
145 | $js_pref = SMPREF_JS_OFF; |
146 | } |
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147 | } else { |
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148 | $js_pref = SMPREF_JS_OFF; |
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149 | } |
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150 | } |
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151 | /* Update the prefs */ |
152 | setPref($data_dir, $username, 'javascript_on', $js_pref); |
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153 | |
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154 | global $attachments; |
155 | $attachments = unserialize(getPref($data_dir, $username, 'attachments', 0)); |
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156 | /* Compute the URL to forward the user to. */ |
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157 | global $session_expired_location, $session_expired_post; |
158 | if (isset($session_expired_location) && $session_expired_location) { |
159 | $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0); |
160 | if ($compose_new_win) { |
161 | $redirect_url = $session_expired_location; |
162 | } else { |
163 | $redirect_url = 'webmail.php?right_frame='.urldecode($session_expired_location); |
164 | } |
165 | session_unregister('session_expired_location'); |
166 | unset($session_expired_location); |
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167 | if (is_array($attachments)) { |
168 | session_register('attachments'); |
169 | } |
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170 | } else { |
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171 | if (is_array($attachments)) { |
172 | $hashed_attachment_dir = getHashedDir($username, $attachment_dir); |
173 | foreach ($attachments as $attachment) { |
174 | $attached_file = $hashed_attachment_dir.'/'.$attachment['localfilename']; |
175 | if (file_exists($attached_file)) { |
176 | unlink($attached_file); |
177 | } |
178 | } |
179 | removePref($data_dir, $username, 'attachments'); |
180 | } |
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181 | $redirect_url = 'webmail.php'; |
182 | } |
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183 | |
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184 | /* Send them off to the appropriate page. */ |
185 | header("Location: $redirect_url"); |
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186 | |
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187 | /* --------------------- end main ----------------------- */ |
188 | |
189 | function attachment_common_parse($str, $debug) { |
190 | global $attachment_common_types, $attachment_common_types_parsed; |
191 | |
192 | $attachment_common_types_parsed[$str] = true; |
193 | $types = explode(', ', $str); |
194 | |
195 | foreach ($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 | } |
204 | } |
205 | |
206 | |
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207 | ?> |