[squirrelmail.git] / src / redirect.php

<?php

/**
* redirect.php
* Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
*
* Copyright (c) 1999-2002 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* Prevents users from reposting their form data after a successful logout.
*
* $Id$
*/

require_once('../functions/i18n.php');
require_once('../functions/strings.php');
require_once('../config/config.php');
require_once('../functions/prefs.php');
require_once('../functions/imap.php');
require_once('../functions/plugin.php');
require_once('../functions/constants.php');
require_once('../functions/page_header.php');

// Remove slashes if PHP added them
if (get_magic_quotes_gpc()) {
    global $REQUEST_METHOD;

    if ($REQUEST_METHOD == "POST") {
        global $HTTP_POST_VARS;
        RemoveSlashes($HTTP_POST_VARS);
    } else if ($REQUEST_METHOD == "GET") {
        global $HTTP_GET_VARS;
        RemoveSlashes($HTTP_GET_VARS);
    }
}

/* Before starting the session, the base URI must be known. Assuming */
/* that this file is in the src/ subdirectory (or something).        */
ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
$base_uri = $regs[1];

header('Pragma: no-cache');
$location = get_location();

session_set_cookie_params (0, $base_uri);
session_start();

session_unregister ('user_is_logged_in');
session_register ('base_uri');

if (! isset($squirrelmail_language) ||
    $squirrelmail_language == '' ) {
    $squirrelmail_language = $squirrelmail_default_language;
}
set_up_language($squirrelmail_language, true);
/* Refresh the language cookie. */
setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);

if (!isset($login_username)) {
    displayHtmlHeader( _("You must be logged in to access this page.") );
    echo "<BODY BGCOLOR=\"#ffffff\">\n" .
        "<BR>&nbsp;<BR>\n" .
        "<CENTER>\n" .
        '<B>' . _("You must be logged in to access this page.") . "</B><BR>" .
        '<A HREF="../src/login.php">'  . _("Go to the login page") . "</A>\n" .
        "</CENTER>\n" .
        "</BODY></HTML>\n";
    exit;
}

if (!session_is_registered('user_is_logged_in')) {
    do_hook ('login_before');

    $onetimepad = OneTimePadCreate(strlen($secretkey));
    $key = OneTimePadEncrypt($secretkey, $onetimepad);
    session_register('onetimepad');

    /* Verify that username and password are correct. */
    if ($force_username_lowercase) {
        $login_username = strtolower($login_username);
    }

    $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
    if (!$imapConnection) {
        displayHtmlHeader( _("There was an error contacting the mail server.") );
        echo "<body bgcolor=\"#ffffff\">\n".
            "<br> <br>\n".
            "<center>\n".
            '<b>' . _("There was an error contacting the mail server.") . "</b><br>\n".
            _("Contact your administrator for help.") . "\n".
            "</center>\n".
            "</body></html>\n";
        exit;
    } else {
        $delimiter = sqimap_get_delimiter ($imapConnection);
    }
    sqimap_logout($imapConnection);
    session_register('delimiter');

    $username = $login_username;
    session_register ('username');
    setcookie('key', $key, 0, $base_uri);
    do_hook ('login_verified');

}

/* Set the login variables. */
$user_is_logged_in = true;
$just_logged_in = true;

/* And register with them with the session. */
session_register ('user_is_logged_in');
session_register ('just_logged_in');

/* parse the accepted content-types of the client */
$attachment_common_types = array();
$attachment_common_types_parsed = array();
session_register('attachment_common_types');
session_register('attachment_common_types_parsed');

$debug = false;
if (isset($HTTP_SERVER_VARS['HTTP_ACCEPT']) &&
    !isset($attachment_common_types_parsed[$HTTP_SERVER_VARS['HTTP_ACCEPT']]))
    attachment_common_parse($HTTP_SERVER_VARS['HTTP_ACCEPT'], $debug);
if (isset($HTTP_ACCEPT) &&
    !isset($attachment_common_types_parsed[$HTTP_ACCEPT]))
    attachment_common_parse($HTTP_ACCEPT, $debug);


/* Complete autodetection of Javascript. */
$javascript_setting = getPref
    ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
$js_autodetect_results = (isset($js_autodetect_results) ?
    $js_autodetect_results : SMPREF_JS_OFF);
/* See if it's set to "Always on" */
$js_pref = SMPREF_JS_ON;
if ($javascript_setting != SMPREF_JS_ON){
    if ($javascript_setting == SMPREF_JS_AUTODETECT) {
        if ($js_autodetect_results == SMPREF_JS_OFF) {
            $js_pref = SMPREF_JS_OFF;
        }
    } else {
        $js_pref = SMPREF_JS_OFF;
    }
}
/* Update the prefs */
setPref($data_dir, $username, 'javascript_on', $js_pref);

/* Compute the URL to forward the user to. */
if(isset($rcptemail)) {
    $redirect_url = 'webmail.php?right_frame=compose.php&rcptaddress=';
    $redirect_url .= urlencode($rcptemail);
} else {
    $redirect_url = 'webmail.php';
}

/* Send them off to the appropriate page. */
header("Location: $redirect_url");

/* --------------------- end main ----------------------- */

function attachment_common_parse($str, $debug) {
    global $attachment_common_types, $attachment_common_types_parsed;

    $attachment_common_types_parsed[$str] = true;
    $types = explode(', ', $str);

    foreach ($types as $val) {
        // Ignore the ";q=1.0" stuff
        if (strpos($val, ';') !== false)
            $val = substr($val, 0, strpos($val, ';'));

        if (! isset($attachment_common_types[$val])) {
            $attachment_common_types[$val] = true;
        }
    }
}


?>
Commit	Line	Data
7392739d	1	<?php
895905c0	2
35586184	3	/**
cab99c3a	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	*/
35586184	14
	15	require_once('../functions/i18n.php');
	16	require_once('../functions/strings.php');
	17	require_once('../config/config.php');
	18	require_once('../functions/prefs.php');
	19	require_once('../functions/imap.php');
	20	require_once('../functions/plugin.php');
	21	require_once('../functions/constants.php');
5a545dda	22	require_once('../functions/page_header.php');
cb48c245	23
26707265	24	// Remove slashes if PHP added them
	25	if (get_magic_quotes_gpc()) {
	26	global $REQUEST_METHOD;
cab99c3a	27
26707265	28	if ($REQUEST_METHOD == "POST") {
	29	global $HTTP_POST_VARS;
	30	RemoveSlashes($HTTP_POST_VARS);
	31	} else if ($REQUEST_METHOD == "GET") {
	32	global $HTTP_GET_VARS;
	33	RemoveSlashes($HTTP_GET_VARS);
	34	}
	35	}
	36
5c3b0995	37	/* Before starting the session, the base URI must be known. Assuming */
	38	/* that this file is in the src/ subdirectory (or something). */
	39	ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
	40	$base_uri = $regs[1];
	41
	42	header('Pragma: no-cache');
	43	$location = get_location();
	44
	45	session_set_cookie_params (0, $base_uri);
	46	session_start();
	47
	48	session_unregister ('user_is_logged_in');
	49	session_register ('base_uri');
	50
	51	if (! isset($squirrelmail_language) \|\|
	52	$squirrelmail_language == '' ) {
	53	$squirrelmail_language = $squirrelmail_default_language;
	54	}
	55	set_up_language($squirrelmail_language, true);
	56	/* Refresh the language cookie. */
	57	setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
	58
	59	if (!isset($login_username)) {
5a545dda	60	displayHtmlHeader( _("You must be logged in to access this page.") );
5a545dda	61	echo "<BODY BGCOLOR=\"#ffffff\">\n" .
5c3b0995	62	"<BR> <BR>\n" .
	63	"<CENTER>\n" .
	64	'<B>' . _("You must be logged in to access this page.") . "</B><BR>" .
	65	'<A HREF="../src/login.php">' . _("Go to the login page") . "</A>\n" .
	66	"</CENTER>\n" .
	67	"</BODY></HTML>\n";
	68	exit;
	69	}
	70
	71	if (!session_is_registered('user_is_logged_in')) {
	72	do_hook ('login_before');
	73
	74	$onetimepad = OneTimePadCreate(strlen($secretkey));
	75	$key = OneTimePadEncrypt($secretkey, $onetimepad);
	76	session_register('onetimepad');
	77
	78	/* Verify that username and password are correct. */
	79	if ($force_username_lowercase) {
	80	$login_username = strtolower($login_username);
23d6bd09	81	}
23d6bd09	82
5c3b0995	83	$imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
5c3b0995	84	if (!$imapConnection) {
5a545dda	85	displayHtmlHeader( _("There was an error contacting the mail server.") );
5a545dda	86	echo "<body bgcolor=\"#ffffff\">\n".
5c3b0995	87	"<br> <br>\n".
	88	"<center>\n".
	89	'<b>' . _("There was an error contacting the mail server.") . "</b><br>\n".
	90	_("Contact your administrator for help.") . "\n".
	91	"</center>\n".
	92	"</body></html>\n";
	93	exit;
23d6bd09	94	} else {
5c3b0995	95	$delimiter = sqimap_get_delimiter ($imapConnection);
23d6bd09	96	}
5c3b0995	97	sqimap_logout($imapConnection);
	98	session_register('delimiter');
	99
	100	$username = $login_username;
	101	session_register ('username');
	102	setcookie('key', $key, 0, $base_uri);
	103	do_hook ('login_verified');
	104
	105	}
	106
	107	/* Set the login variables. */
	108	$user_is_logged_in = true;
	109	$just_logged_in = true;
	110
	111	/* And register with them with the session. */
	112	session_register ('user_is_logged_in');
	113	session_register ('just_logged_in');
	114
	115	/* parse the accepted content-types of the client */
	116	$attachment_common_types = array();
	117	$attachment_common_types_parsed = array();
	118	session_register('attachment_common_types');
	119	session_register('attachment_common_types_parsed');
	120
	121	$debug = false;
	122	if (isset($HTTP_SERVER_VARS['HTTP_ACCEPT']) &&
	123	!isset($attachment_common_types_parsed[$HTTP_SERVER_VARS['HTTP_ACCEPT']]))
	124	attachment_common_parse($HTTP_SERVER_VARS['HTTP_ACCEPT'], $debug);
	125	if (isset($HTTP_ACCEPT) &&
	126	!isset($attachment_common_types_parsed[$HTTP_ACCEPT]))
	127	attachment_common_parse($HTTP_ACCEPT, $debug);
	128
	129
	130	/* Complete autodetection of Javascript. */
165829a3	131	$javascript_setting = getPref
	132	($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
	133	$js_autodetect_results = (isset($js_autodetect_results) ?
	134	$js_autodetect_results : SMPREF_JS_OFF);
18f734b9	135	/* See if it's set to "Always on" */
	136	$js_pref = SMPREF_JS_ON;
	137	if ($javascript_setting != SMPREF_JS_ON){
	138	if ($javascript_setting == SMPREF_JS_AUTODETECT) {
	139	if ($js_autodetect_results == SMPREF_JS_OFF) {
	140	$js_pref = SMPREF_JS_OFF;
	141	}
23d6bd09	142	} else {
18f734b9	143	$js_pref = SMPREF_JS_OFF;
23d6bd09	144	}
5c3b0995	145	}
18f734b9	146	/* Update the prefs */
18f734b9	147	setPref($data_dir, $username, 'javascript_on', $js_pref);
5c3b0995	148
	149	/* Compute the URL to forward the user to. */
	150	if(isset($rcptemail)) {
	151	$redirect_url = 'webmail.php?right_frame=compose.php&rcptaddress=';
	152	$redirect_url .= urlencode($rcptemail);
	153	} else {
	154	$redirect_url = 'webmail.php';
	155	}
	156
	157	/* Send them off to the appropriate page. */
	158	header("Location: $redirect_url");
7baf86a9	159
cab99c3a	160	/* --------------------- end main ----------------------- */
	161
	162	function attachment_common_parse($str, $debug) {
	163	global $attachment_common_types, $attachment_common_types_parsed;
	164
	165	$attachment_common_types_parsed[$str] = true;
	166	$types = explode(', ', $str);
	167
	168	foreach ($types as $val) {
	169	// Ignore the ";q=1.0" stuff
	170	if (strpos($val, ';') !== false)
	171	$val = substr($val, 0, strpos($val, ';'));
	172
	173	if (! isset($attachment_common_types[$val])) {
	174	$attachment_common_types[$val] = true;
	175	}
	176	}
	177	}
	178
	179
e0dcff78	180	?>