[squirrelmail.git] / src / redirect.php

<?php

    /**
     **  redirect.php
     **  Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
     **
     **  Copyright (c) 1999-2001 The Squirrelmail Development 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');

    /* 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)) {
        $squirrelmail_language = '';
    }
    set_up_language($squirrelmail_language, true);

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

    /* Refresh the language cookie. */
    if (isset($squirrelmail_language)) {
        setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
    }

    require_once('../functions/prefs.php');
    require_once('../functions/imap.php');
    require_once('../functions/plugin.php');
    require_once('../functions/constants.php');

    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) {
            echo "<html><body bgcolor=\"#ffffff\">\n";
            echo "<br><br>";
            echo "<center>";
            echo "<b>"._("There was an error contacting the mail server.")."</b><br>";
            echo _("Contact your administrator for help.")."\n";
            echo "</center>";
            echo "</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');
  
    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. */
    checkForPrefs($data_dir, $username);
    $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
    $js_autodetect_results = (isset($js_autodetect_results) ? $js_autodetect_results : SMPREF_JS_OFF);
    if ($javascript_setting == SMPREF_JS_AUTODETECT) {
        if ($js_autodetect_results == SMPREF_JS_ON) {
            setPref($data_dir, $username, 'javascript_on', SMPREF_JS_ON);
        } else {
            setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
        }
    } else {
        setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
    }

    /* 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");


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
23d6bd09	3	/**
895905c0	4	** redirect.php
	5	** Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
	6	**
	7	** Copyright (c) 1999-2001 The Squirrelmail Development 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	**/
23d6bd09	14
	15	require_once('../functions/i18n.php');
	16	require_once('../functions/strings.php');
	17	require_once('../config/config.php');
	18
	19	/* Before starting the session, the base URI must be known. Assuming */
	20	/* that this file is in the src/ subdirectory (or something). */
	21	ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
	22	$base_uri = $regs[1];
	23
	24	header('Pragma: no-cache');
	25	$location = get_location();
	26
	27	session_set_cookie_params (0, $base_uri);
	28	session_start();
	29
	30	session_unregister ('user_is_logged_in');
	31	session_register ('base_uri');
	32
	33	if (! isset($squirrelmail_language)) {
	34	$squirrelmail_language = '';
	35	}
	36	set_up_language($squirrelmail_language, true);
	37
	38	if (!isset($login_username)) {
	39	echo "<HTML><BODY BGCOLOR=\"#ffffff\">\n";
	40	echo "<BR><BR>\n";
	41	echo "<CENTER>\n";
	42	echo ' <B>' . _("You must be logged in to access this page.") . "</B><BR>";
	43	echo ' <A HREF="../src/login.php">' . _("Go to the login page") . "</A>\n";
	44	echo "</CENTER>\n";
	45	echo "</BODY></HTML>\n";
	46	exit;
	47	}
	48
	49	/* Refresh the language cookie. */
	50	if (isset($squirrelmail_language)) {
	51	setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
	52	}
	53
	54	require_once('../functions/prefs.php');
	55	require_once('../functions/imap.php');
	56	require_once('../functions/plugin.php');
	57	require_once('../functions/constants.php');
	58
	59	if (!session_is_registered('user_is_logged_in')) {
	60	do_hook ('login_before');
	61
	62	$onetimepad = OneTimePadCreate(strlen($secretkey));
	63	$key = OneTimePadEncrypt($secretkey, $onetimepad);
	64	session_register('onetimepad');
	65
	66	/* Verify that username and password are correct. */
	67	if ($force_username_lowercase) {
	68	$login_username = strtolower($login_username);
	69	}
	70
	71	$imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
	72	if (!$imapConnection) {
	73	echo "<html><body bgcolor=\"#ffffff\">\n";
	74	echo "<br><br>";
	75	echo "<center>";
	76	echo "<b>"._("There was an error contacting the mail server.")."</b><br>";
	77	echo _("Contact your administrator for help.")."\n";
78	echo "</center>";
79	echo "</body></html>\n";
80	exit;
81	} else {
82	$delimiter = sqimap_get_delimiter ($imapConnection);
83	}
84	sqimap_logout($imapConnection);
525b7ae6	85	session_register('delimiter');
23d6bd09	86
	87	$username = $login_username;
	88	session_register ('username');
	89	setcookie('key', $key, 0, $base_uri);
23d6bd09	90	do_hook ('login_verified');
	91	}
	92
	93	/* Set the login variables. */
	94	$user_is_logged_in = true;
	95	$just_logged_in = true;
	96
	97	/* And register with them with the session. */
	98	session_register ('user_is_logged_in');
	99	session_register ('just_logged_in');
	100
7baf86a9	101	/* parse the accepted content-types of the client */
	102	$attachment_common_types = array();
	103	$attachment_common_types_parsed = array();
	104	session_register('attachment_common_types');
	105	session_register('attachment_common_types_parsed');
	106
	107	if (isset($HTTP_SERVER_VARS['HTTP_ACCEPT']) &&
	108	!isset($attachment_common_types_parsed[$HTTP_SERVER_VARS['HTTP_ACCEPT']]))
	109	attachment_common_parse($HTTP_SERVER_VARS['HTTP_ACCEPT'], $debug);
	110	if (isset($HTTP_ACCEPT) &&
	111	!isset($attachment_common_types_parsed[$HTTP_ACCEPT]))
	112	attachment_common_parse($HTTP_ACCEPT, $debug);
	113
	114
23d6bd09	115	/* Complete autodetection of Javascript. */
357f1ae0	116	checkForPrefs($data_dir, $username);
23d6bd09	117	$javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
	118	$js_autodetect_results = (isset($js_autodetect_results) ? $js_autodetect_results : SMPREF_JS_OFF);
	119	if ($javascript_setting == SMPREF_JS_AUTODETECT) {
	120	if ($js_autodetect_results == SMPREF_JS_ON) {
	121	setPref($data_dir, $username, 'javascript_on', SMPREF_JS_ON);
	122	} else {
	123	setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
	124	}
	125	} else {
	126	setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
	127	}
	128
	129	/* Compute the URL to forward the user to. */
	130	if(isset($rcptemail)) {
	131	$redirect_url = 'webmail.php?right_frame=compose.php&rcptaddress=';
	132	$redirect_url .= urlencode($rcptemail);
	133	} else {
	134	$redirect_url = 'webmail.php';
	135	}
	136
	137	/* Send them off to the appropriate page. */
	138	header("Location: $redirect_url");
7baf86a9	139
	140
	141	function attachment_common_parse($str, $debug)
	142	{
	143	global $attachment_common_types, $attachment_common_types_parsed;
	144
	145	$attachment_common_types_parsed[$str] = true;
	146	$types = explode(', ', $str);
	147
	148	foreach ($types as $val)
	149	{
	150	// Ignore the ";q=1.0" stuff
	151	if (strpos($val, ';') !== false)
	152	$val = substr($val, 0, strpos($val, ';'));
	153
	154	if (! isset($attachment_common_types[$val])) {
	155	$attachment_common_types[$val] = true;
	156	}
	157	}
	158	}
	159
e0dcff78	160	?>