5 * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
7 * Copyright (c) 1999-2002 The SquirrelMail Project Team
8 * Licensed under the GNU GPL. For full terms see the file COPYING.
10 * Prevents users from reposting their form data after a successful logout.
15 /* Path for SquirrelMail required files. */
16 define('SM_PATH','../');
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');
29 // Remove slashes if PHP added them
30 $REQUEST_METHOD = $_SERVER['REQUEST_METHOD'];
31 if (get_magic_quotes_gpc()) {
32 if ($REQUEST_METHOD == 'POST') {
33 RemoveSlashes($_POST);
34 } else if ($REQUEST_METHOD == 'GET') {
39 /* Before starting the session, the base URI must be known. Assuming */
40 /* that this file is in the src/ subdirectory (or something). */
41 if (!function_exists('sqm_baseuri')){
42 require_once(SM_PATH
. 'functions/display_messages.php');
44 $base_uri = sqm_baseuri();
46 header('Pragma: no-cache');
47 $location = get_location();
49 session_set_cookie_params (0, $base_uri);
52 sqsession_unregister ('user_is_logged_in');
53 sqsession_register ($base_uri, 'base_uri');
55 /* get globals we me need */
56 if (isset($_POST['login_username'])) {
57 $login_username = $_POST['login_username'];
59 if (!isset($_COOKIE['squirrelmail_language']) ||
60 $squirrelmail_language == '' ) {
61 $squirrelmail_language = $squirrelmail_default_language;
64 $squirrelmail_language = $_COOKIE['squirrelmail_language'];
66 if (isset($_POST['secretkey'])) {
67 $secretkey = $_POST['secretkey'];
69 if (isset($_POST['js_autodetect_results'])) {
70 $js_autodetect_results = $_POST['js_autodetect_results'];
72 /* end of get globals */
74 set_up_language($squirrelmail_language, true);
75 /* Refresh the language cookie. */
76 setcookie('squirrelmail_language', $squirrelmail_language, time()+
2592000,
79 if (!isset($login_username)) {
80 include_once( '../functions/display_messages.php' );
81 logout_error( _("You must be logged in to access this page.") );
85 if (!sqsession_is_registered('user_is_logged_in')) {
86 do_hook ('login_before');
88 $onetimepad = OneTimePadCreate(strlen($secretkey));
89 $key = OneTimePadEncrypt($secretkey, $onetimepad);
90 sqsession_register($onetimepad, 'onetimepad');
92 /* remove redundant spaces */
93 $login_username = trim($login_username);
95 /* Verify that username and password are correct. */
96 if ($force_username_lowercase) {
97 $login_username = strtolower($login_username);
100 $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
101 if (!$imapConnection) {
102 $errTitle = _("There was an error contacting the mail server.");
103 $errString = $errTitle . "<br>\n".
104 _("Contact your administrator for help.");
105 include_once( '../functions/display_messages.php' );
106 logout_error( $errString, $errTitle );
109 $sqimap_capabilities = sqimap_capability($imapConnection);
110 sqsession_register($sqimap_capabilities, 'sqimap_capabilities');
111 $delimiter = sqimap_get_delimiter ($imapConnection);
113 sqimap_logout($imapConnection);
114 sqsession_register($delimiter, 'delimiter');
116 $username = $login_username;
117 sqsession_register ($username, 'username');
118 setcookie('key', $key, 0, $base_uri);
119 do_hook ('login_verified');
123 /* Set the login variables. */
124 $user_is_logged_in = true;
125 $just_logged_in = true;
127 /* And register with them with the session. */
128 sqsession_register ($user_is_logged_in, 'user_is_logged_in');
129 sqsession_register ($just_logged_in, 'just_logged_in');
131 /* parse the accepted content-types of the client */
132 $attachment_common_types = array();
133 $attachment_common_types_parsed = array();
134 sqsession_register($attachment_common_types, 'attachment_common_types');
135 sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed');
139 if (isset($_SERVER['HTTP_ACCEPT']) &&
140 !isset($attachment_common_types_parsed[$_SERVER['HTTP_ACCEPT']])) {
141 attachment_common_parse($_SERVER['HTTP_ACCEPT'], $debug);
143 if (isset($_SERVER['HTTP_ACCEPT']) &&
144 !isset($attachment_common_types_parsed[$_SERVER['HTTP_ACCEPT']])) {
145 attachment_common_parse($_SERVER['HTTP_ACCEPT'], $debug);
148 /* Complete autodetection of Javascript. */
149 $javascript_setting = getPref
150 ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT
);
151 $js_autodetect_results = (isset($js_autodetect_results) ?
152 $js_autodetect_results : SMPREF_JS_OFF
);
153 /* See if it's set to "Always on" */
154 $js_pref = SMPREF_JS_ON
;
155 if ($javascript_setting != SMPREF_JS_ON
){
156 if ($javascript_setting == SMPREF_JS_AUTODETECT
) {
157 if ($js_autodetect_results == SMPREF_JS_OFF
) {
158 $js_pref = SMPREF_JS_OFF
;
161 $js_pref = SMPREF_JS_OFF
;
164 /* Update the prefs */
165 setPref($data_dir, $username, 'javascript_on', $js_pref);
168 $attachments = unserialize(getPref($data_dir, $username, 'attachments', 0));
169 /* Compute the URL to forward the user to. */
170 global $session_expired_location, $session_expired_post;
171 if (isset($session_expired_location) && $session_expired_location) {
172 $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0);
173 if ($compose_new_win) {
174 $redirect_url = $session_expired_location;
176 $redirect_url = 'webmail.php?right_frame='.urldecode($session_expired_location);
178 sqsession_unregister('session_expired_location');
179 unset($session_expired_location);
180 if (is_array($compose_messages)) {
181 sqsession_register('compose_messages');
184 /* need to be adapted to compose_messages.
185 if (is_array($attachments)) {
186 $hashed_attachment_dir = getHashedDir($username, $attachment_dir);
187 foreach ($attachments as $attachment) {
188 $attached_file = $hashed_attachment_dir.'/'.$attachment['localfilename'];
189 if (file_exists($attached_file)) {
190 unlink($attached_file);
193 removePref($data_dir, $username, 'attachments');
196 $redirect_url = 'webmail.php';
199 /* Write session data and send them off to the appropriate page. */
200 session_write_close();
201 header("Location: $redirect_url");
203 /* --------------------- end main ----------------------- */
205 function attachment_common_parse($str, $debug) {
206 global $attachment_common_types, $attachment_common_types_parsed;
208 $attachment_common_types_parsed[$str] = true;
209 $types = explode(', ', $str);
211 foreach ($types as $val) {
212 // Ignore the ";q=1.0" stuff
213 if (strpos($val, ';') !== false)
214 $val = substr($val, 0, strpos($val, ';'));
216 if (! isset($attachment_common_types[$val])) {
217 $attachment_common_types[$val] = true;
220 $_SESSION['attachment_common_types'] = $attachment_common_types;