githubFork/roundcubemail.git

thomascube

2006-01-23 0677ca5a1e745643a9142081c4cbb7ea13e5a2e5

commit \| author \| age
4e17e6	1	<?php
T	2
	3	/*
	4	+-----------------------------------------------------------------------+
	5	\| program/include/main.inc \|
	6	\| \|
	7	\| This file is part of the RoundCube Webmail client \|
	8	\| Copyright (C) 2005, RoundCube Dev, - Switzerland \|
30233b	9	\| Licensed under the GNU GPL \|
4e17e6	10	\| \|
T	11	\| PURPOSE: \|
	12	\| Provide basic functions for the webmail package \|
	13	\| \|
	14	+-----------------------------------------------------------------------+
	15	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	16	+-----------------------------------------------------------------------+
	17
	18	$Id$
	19
	20	*/
	21
	22	require_once('lib/des.inc');
0af7e8	23	require_once('lib/utf7.inc');
83dbb7	24	require_once('lib/utf8.class.php');
4e17e6	25
T	26
	27	// register session and connect to server
	28	function rcmail_startup($task='mail')
	29	{
	30	global $sess_id, $sess_auth, $sess_user_lang;
	31	global $CONFIG, $INSTALL_PATH, $BROWSER, $OUTPUT, $_SESSION, $IMAP, $DB, $JS_OBJECT_NAME;
	32
	33	// check client
	34	$BROWSER = rcube_browser();
de2e1e	35
4e17e6	36	// load config file
T	37	include_once('config/main.inc.php');
	38	$CONFIG = is_array($rcmail_config) ? $rcmail_config : array();
	39	$CONFIG['skin_path'] = $CONFIG['skin_path'] ? preg_replace('/\/$/', '', $CONFIG['skin_path']) : 'skins/default';
	40
	41	// load db conf
	42	include_once('config/db.inc.php');
	43	$CONFIG = array_merge($CONFIG, $rcmail_config);
	44
fd8c50	45	if (empty($CONFIG['log_dir']))
T	46	$CONFIG['log_dir'] = $INSTALL_PATH.'logs';
	47	else
	48	$CONFIG['log_dir'] = ereg_replace('\/$', '', $CONFIG['log_dir']);
4e17e6	49
T	50	// set PHP error logging according to config
	51	if ($CONFIG['debug_level'] & 1)
	52	{
	53	ini_set('log_errors', 1);
fd8c50	54	ini_set('error_log', $CONFIG['log_dir'].'/errors');
4e17e6	55	}
T	56	if ($CONFIG['debug_level'] & 4)
	57	ini_set('display_errors', 1);
	58	else
	59	ini_set('display_errors', 0);
7902df	60
T	61	// set session garbage collecting time according to session_lifetime
	62	if (!empty($CONFIG['session_lifetime']))
	63	ini_set('session.gc_maxlifetime', ($CONFIG['session_lifetime']+2)*60);
4e17e6	64
T	65
	66	// prepare DB connection
f45ec7	67	require_once('include/rcube_'.(empty($CONFIG['db_backend']) ? 'db' : $CONFIG['db_backend']).'.inc');
S	68
1676e1	69	$DB = new rcube_db($CONFIG['db_dsnw'], $CONFIG['db_dsnr']);
42b113	70	$DB->sqlite_initials = $INSTALL_PATH.'SQL/sqlite.initial.sql';
4e17e6	71
T	72	// we can use the database for storing session data
36df57	73	// session queries do not work with MDB2
1cded8	74	if ($CONFIG['db_backend']!='mdb2' && is_object($DB) /* && $DB->db_provider!='sqlite' */)
4e17e6	75	include_once('include/session.inc');
T	76
	77
	78	// init session
	79	session_start();
	80	$sess_id = session_id();
	81
	82	// create session and set session vars
	83	if (!$_SESSION['client_id'])
	84	{
	85	$_SESSION['client_id'] = $sess_id;
0af7e8	86	$_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']);
4e17e6	87	$_SESSION['auth_time'] = mktime();
T	88	$_SESSION['auth'] = rcmail_auth_hash($sess_id, $_SESSION['auth_time']);
	89	unset($GLOBALS['_auth']);
	90	}
	91
	92	// set session vars global
	93	$sess_auth = $_SESSION['auth'];
0af7e8	94	$sess_user_lang = rcube_language_prop($_SESSION['user_lang']);
4e17e6	95
T	96
	97	// overwrite config with user preferences
	98	if (is_array($_SESSION['user_prefs']))
	99	$CONFIG = array_merge($CONFIG, $_SESSION['user_prefs']);
	100
	101
	102	// reset some session parameters when changing task
	103	if ($_SESSION['task'] != $task)
	104	unset($_SESSION['page']);
	105
	106	// set current task to session
	107	$_SESSION['task'] = $task;
	108
	109
	110	// create IMAP object
	111	if ($task=='mail')
	112	rcmail_imap_init();
	113
	114
	115	// set localization
	116	if ($CONFIG['locale_string'])
	117	setlocale(LC_ALL, $CONFIG['locale_string']);
	118	else if ($sess_user_lang)
	119	setlocale(LC_ALL, $sess_user_lang);
	120
	121
	122	register_shutdown_function('rcmail_shutdown');
	123	}
	124
	125
	126	// create authorization hash
	127	function rcmail_auth_hash($sess_id, $ts)
	128	{
	129	global $CONFIG;
	130
	131	$auth_string = sprintf('rcmailsess%sR%sChk:%s;%s',
	132	$sess_id,
	133	$ts,
	134	$CONFIG['ip_check'] ? $_SERVER['REMOTE_ADDR'] : '*...*',
	135	$_SERVER['HTTP_USER_AGENT']);
	136
	137	if (function_exists('sha1'))
	138	return sha1($auth_string);
	139	else
	140	return md5($auth_string);
	141	}
	142
	143
	144
	145	// create IMAP object and connect to server
	146	function rcmail_imap_init($connect=FALSE)
	147	{
1cded8	148	global $CONFIG, $DB, $IMAP;
6dc026	149
1cded8	150	$IMAP = new rcube_imap($DB);
15a9d1	151	$IMAP->debug_level = $CONFIG['debug_level'];
T	152	$IMAP->skip_deleted = $CONFIG['skip_deleted'];
	153
4e17e6	154
7902df	155	// connect with stored session data
T	156	if ($connect)
	157	{
	158	if (!($conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])))
	159	show_message('imaperror', 'error');
	160
	161	rcmail_set_imap_prop();
	162	}
	163
6dc026	164	// enable caching of imap data
T	165	if ($CONFIG['enable_caching']===TRUE)
	166	$IMAP->set_caching(TRUE);
	167
4e17e6	168	if (is_array($CONFIG['default_imap_folders']))
T	169	$IMAP->set_default_mailboxes($CONFIG['default_imap_folders']);
	170
	171	// set pagesize from config
	172	if (isset($CONFIG['pagesize']))
	173	$IMAP->set_pagesize($CONFIG['pagesize']);
7902df	174	}
4e17e6	175
T	176
7902df	177	// set root dir and last stored mailbox
T	178	// this must be done AFTER connecting to the server
	179	function rcmail_set_imap_prop()
	180	{
	181	global $CONFIG, $IMAP;
	182
	183	// set root dir from config
	184	if (strlen($CONFIG['imap_root']))
	185	$IMAP->set_rootdir($CONFIG['imap_root']);
	186
	187	if (strlen($_SESSION['mbox']))
	188	$IMAP->set_mailbox($_SESSION['mbox']);
	189
	190	if (isset($_SESSION['page']))
	191	$IMAP->set_page($_SESSION['page']);
4e17e6	192	}
T	193
	194
	195	// do these things on script shutdown
	196	function rcmail_shutdown()
	197	{
	198	global $IMAP;
	199
	200	if (is_object($IMAP))
	201	{
	202	$IMAP->close();
	203	$IMAP->write_cache();
	204	}
0af7e8	205
T	206	// before closing the database connection, write session data
	207	session_write_close();
4e17e6	208	}
T	209
	210
	211	// destroy session data and remove cookie
	212	function rcmail_kill_session()
	213	{
	214	/* $sess_name = session_name();
	215	if (isset($_COOKIE[$sess_name]))
	216	setcookie($sess_name, '', time()-42000, '/');
	217	*/
	218	$_SESSION = array();
	219	session_destroy();
	220	}
	221
	222
	223	// return correct name for a specific database table
	224	function get_table_name($table)
	225	{
	226	global $CONFIG;
	227
	228	// return table name if configured
	229	$config_key = 'db_table_'.$table;
	230
	231	if (strlen($CONFIG[$config_key]))
	232	return $CONFIG[$config_key];
	233
	234	return $table;
	235	}
	236
	237
1cded8	238	// return correct name for a specific database sequence
T	239	// (used for Postres only)
	240	function get_sequence_name($sequence)
	241	{
	242	global $CONFIG;
	243
	244	// return table name if configured
	245	$config_key = 'db_sequence_'.$sequence;
	246
	247	if (strlen($CONFIG[$config_key]))
	248	return $CONFIG[$config_key];
	249
	250	return $table;
	251	}
0af7e8	252
T	253
	254	// check the given string and returns language properties
	255	function rcube_language_prop($lang, $prop='lang')
	256	{
	257	global $INSTLL_PATH;
	258	static $rcube_languages, $rcube_language_aliases, $rcube_charsets;
	259
	260	if (empty($rcube_languages))
	261	@include($INSTLL_PATH.'program/localization/index.inc');
	262
	263	// check if we have an alias for that language
	264	if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang]))
	265	$lang = $rcube_language_aliases[$lang];
	266
	267	// try the first two chars
	268	if (!isset($rcube_languages[$lang]) && strlen($lang>2))
	269	{
	270	$lang = substr($lang, 0, 2);
	271	$lang = rcube_language_prop($lang);
	272	}
	273
	274	if (!isset($rcube_languages[$lang]))
	275	$lang = 'en_US';
	276
	277	// language has special charset configured
	278	if (isset($rcube_charsets[$lang]))
	279	$charset = $rcube_charsets[$lang];
	280	else
	281	$charset = 'UTF-8';
	282
	283	if ($prop=='charset')
	284	return $charset;
	285	else
	286	return $lang;
	287	}
1cded8	288
4e17e6	289
T	290	// init output object for GUI and add common scripts
	291	function load_gui()
	292	{
3f9edb	293	global $CONFIG, $OUTPUT, $COMM_PATH, $JS_OBJECT_NAME, $sess_user_lang;
4e17e6	294
T	295	// init output page
	296	$OUTPUT = new rcube_html_page();
	297
	298	// add common javascripts
	299	$javascript = "var $JS_OBJECT_NAME = new rcube_webmail();\n";
	300	$javascript .= "$JS_OBJECT_NAME.set_env('comm_path', '$COMM_PATH');\n";
	301
597170	302	if (!empty($GLOBALS['_framed']))
4e17e6	303	$javascript .= "$JS_OBJECT_NAME.set_env('framed', true);\n";
7cc38e	304
4e17e6	305	$OUTPUT->add_script($javascript);
T	306	$OUTPUT->include_script('program/js/common.js');
7cc38e	307	$OUTPUT->include_script('program/js/app.js');
T	308
	309	// set user-selected charset
5bc8cb	310	if (!empty($CONFIG['charset']))
7cc38e	311	$OUTPUT->set_charset($CONFIG['charset']);
T	312	else
	313	rcmail_set_locale($sess_user_lang);
0af7e8	314
10a699	315	// add some basic label to client
T	316	rcube_add_label('loading');
0af7e8	317	}
7cc38e	318
T	319
	320	// set localization charset based on the given language
	321	function rcmail_set_locale($lang)
	322	{
3f9edb	323	global $OUTPUT;
T	324	$OUTPUT->set_charset(rcube_language_prop($lang, 'charset'));
7cc38e	325	}
4e17e6	326
T	327
	328	// perfom login to the IMAP server and to the webmail service
	329	function rcmail_login($user, $pass, $host=NULL)
	330	{
	331	global $CONFIG, $IMAP, $DB, $sess_user_lang;
42b113	332	$user_id = NULL;
4e17e6	333
T	334	if (!$host)
	335	$host = $CONFIG['default_host'];
	336
f619de	337	// parse $host URL
T	338	$a_host = parse_url($host);
	339	if ($a_host['host'])
	340	{
	341	$host = $a_host['host'];
	342	$imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? TRUE : FALSE;
	343	$imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $CONFIG['default_port']);
	344	}
	345
4e17e6	346	// query if user already registered
d7cb77	347	$sql_result = $DB->query("SELECT user_id, username, language, preferences
S	348	FROM ".get_table_name('users')."
	349	WHERE mail_host=? AND (username=? OR alias=?)",
	350	$host,
	351	$user,
	352	$user);
4e17e6	353
42b113	354	// user already registered -> overwrite username
4e17e6	355	if ($sql_arr = $DB->fetch_assoc($sql_result))
T	356	{
	357	$user_id = $sql_arr['user_id'];
42b113	358	$user = $sql_arr['username'];
T	359	}
	360
977a29	361	// try to resolve email address from virtuser table
T	362	if (!empty($CONFIG['virtuser_file']) && strstr($user, '@'))
	363	$user = rcmail_email2user($user);
	364
	365
42b113	366	// exit if IMAP login failed
T	367	if (!($imap_login = $IMAP->connect($host, $user, $pass, $imap_port, $imap_ssl)))
	368	return FALSE;
	369
	370	// user already registered
	371	if ($user_id && !empty($sql_arr))
	372	{
4e17e6	373	// get user prefs
T	374	if (strlen($sql_arr['preferences']))
	375	{
	376	$user_prefs = unserialize($sql_arr['preferences']);
	377	$_SESSION['user_prefs'] = $user_prefs;
	378	array_merge($CONFIG, $user_prefs);
	379	}
	380
f3b659	381
4e17e6	382	// set user specific language
T	383	if (strlen($sql_arr['language']))
	384	$sess_user_lang = $_SESSION['user_lang'] = $sql_arr['language'];
f3b659	385
4e17e6	386	// update user's record
d7cb77	387	$DB->query("UPDATE ".get_table_name('users')."
667737	388	SET last_login=now()
d7cb77	389	WHERE user_id=?",
S	390	$user_id);
4e17e6	391	}
T	392	// create new system user
	393	else if ($CONFIG['auto_create_user'])
	394	{
	395	$user_id = rcmail_create_user($user, $host);
	396	}
	397
	398	if ($user_id)
	399	{
	400	$_SESSION['user_id'] = $user_id;
	401	$_SESSION['imap_host'] = $host;
7902df	402	$_SESSION['imap_port'] = $imap_port;
T	403	$_SESSION['imap_ssl'] = $imap_ssl;
4e17e6	404	$_SESSION['username'] = $user;
f3b659	405	$_SESSION['user_lang'] = $sess_user_lang;
4e17e6	406	$_SESSION['password'] = encrypt_passwd($pass);
T	407
	408	// force reloading complete list of subscribed mailboxes
	409	$IMAP->clear_cache('mailboxes');
	410
	411	return TRUE;
	412	}
	413
	414	return FALSE;
	415	}
	416
	417
	418	// create new entry in users and identities table
	419	function rcmail_create_user($user, $host)
	420	{
	421	global $DB, $CONFIG, $IMAP;
977a29	422
T	423	$user_email = '';
	424
	425	// try to resolve user in virtusertable
	426	if (!empty($CONFIG['virtuser_file']) && strstr($user, '@')==FALSE)
	427	$user_email = rcmail_user2email($user);
	428
d7cb77	429	$DB->query("INSERT INTO ".get_table_name('users')."
977a29	430	(created, last_login, username, mail_host, alias, language)
T	431	VALUES (now(), now(), ?, ?, ?, ?)",
d7cb77	432	$user,
S	433	$host,
977a29	434	$user_email,
d7cb77	435	$_SESSION['user_lang']);
4e17e6	436
1cded8	437	if ($user_id = $DB->insert_id(get_sequence_name('users')))
4e17e6	438	{
977a29	439	if (is_string($CONFIG['mail_domain']))
T	440	$mail_domain = $CONFIG['mail_domain'];
	441	else if (is_array($CONFIG['mail_domain']) && isset($CONFIG['mail_domain'][$host]))
	442	$mail_domain = $CONFIG['mail_domain'][$host];
	443	else
	444	$mail_domain = $host;
	445
	446	if ($user_email=='')
	447	$user_email = strstr($user, '@') ? $user : sprintf('%s@%s', $user, $mail_domain);
	448
52c1f2	449	$user_name = $user!=$user_email ? $user : '';
977a29	450
4e17e6	451	// also create a new identity record
d7cb77	452	$DB->query("INSERT INTO ".get_table_name('identities')."
1cded8	453	(user_id, del, standard, name, email)
T	454	VALUES (?, 0, 1, ?, ?)",
d7cb77	455	$user_id,
S	456	$user_name,
	457	$user_email);
4e17e6	458
T	459	// get existing mailboxes
	460	$a_mailboxes = $IMAP->list_mailboxes();
	461
	462	// check if the configured mailbox for sent messages exists
	463	if ($CONFIG['sent_mbox'] && !in_array_nocase($CONFIG['sent_mbox'], $a_mailboxes))
	464	$IMAP->create_mailbox($CONFIG['sent_mbox'], TRUE);
	465
	466	// check if the configured mailbox for sent messages exists
	467	if ($CONFIG['trash_mbox'] && !in_array_nocase($CONFIG['trash_mbox'], $a_mailboxes))
	468	$IMAP->create_mailbox($CONFIG['trash_mbox'], TRUE);
42b113	469	}
T	470	else
	471	{
	472	raise_error(array('code' => 500,
	473	'type' => 'php',
	474	'line' => __LINE__,
	475	'file' => __FILE__,
	476	'message' => "Failed to create new user"), TRUE, FALSE);
4e17e6	477	}
T	478
	479	return $user_id;
	480	}
	481
	482
977a29	483	// load virtuser table in array
T	484	function rcmail_getvirtualfile()
	485	{
	486	global $CONFIG;
	487	if (empty($CONFIG['virtuser_file']) \|\| !is_file($CONFIG['virtuser_file']))
	488	return FALSE;
	489
	490	// read file
	491	$a_lines = file($CONFIG['virtuser_file']);
	492	return $a_lines;
	493	}
	494
	495
	496	// find matches of the given pattern in virtuser table
	497	function rcmail_findinvirtual($pattern)
	498	{
	499	$result = array();
	500	$virtual = rcmail_getvirtualfile();
	501	if ($virtual==FALSE)
	502	return $result;
	503
	504	// check each line for matches
	505	foreach ($virtual as $line)
	506	{
	507	$line = trim($line);
	508	if (empty($line) \|\| $line{0}=='#')
	509	continue;
	510
	511	if (eregi($pattern, $line))
	512	$result[] = $line;
	513	}
	514
	515	return $result;
	516	}
	517
	518
	519	// resolve username with virtuser table
	520	function rcmail_email2user($email)
	521	{
	522	$user = $email;
	523	$r = rcmail_findinvirtual("^$email");
	524
	525	for ($i=0; $i<count($r); $i++)
	526	{
	527	$data = $r[$i];
	528	$arr = preg_split('/\s+/', $data);
	529	if(count($arr)>0)
	530	{
	531	$user = trim($arr[count($arr)-1]);
	532	break;
	533	}
	534	}
	535
	536	return $user;
	537	}
	538
	539
	540	// resolve e-mail address with virtuser table
	541	function rcmail_user2email($user)
	542	{
	543	$email = "";
	544	$r = rcmail_findinvirtual("$user$");
	545
	546	for ($i=0; $i<count($r); $i++)
	547	{
	548	$data=$r[$i];
	549	$arr = preg_split('/\s+/', $data);
	550	if (count($arr)>0)
	551	{
	552	$email = trim($arr[0]);
	553	break;
	554	}
	555	}
	556
	557	return $email;
	558	}
	559
	560
10a699	561	// overwrite action variable
T	562	function rcmail_overwrite_action($action)
	563	{
	564	global $OUTPUT, $JS_OBJECT_NAME;
	565	$GLOBALS['_action'] = $action;
	566
	567	$OUTPUT->add_script(sprintf("\n%s.set_env('action', '%s');", $JS_OBJECT_NAME, $action));
	568	}
	569
	570
4e17e6	571	function show_message($message, $type='notice')
T	572	{
	573	global $OUTPUT, $JS_OBJECT_NAME, $REMOTE_REQUEST;
	574
597170	575	$framed = $GLOBALS['_framed'];
4e17e6	576	$command = sprintf("display_message('%s', '%s');",
T	577	addslashes(rep_specialchars_output(rcube_label($message))),
	578	$type);
	579
	580	if ($REMOTE_REQUEST)
	581	return 'this.'.$command;
	582
	583	else
	584	$OUTPUT->add_script(sprintf("%s%s.%s",
	585	$framed ? sprintf('if(parent.%s)parent.', $JS_OBJECT_NAME) : '',
	586	$JS_OBJECT_NAME,
	587	$command));
	588
	589	// console(rcube_label($message));
	590	}
	591
	592
	593	function console($msg, $type=1)
	594	{
520c36	595	if ($GLOBALS['REMOTE_REQUEST'])
T	596	print "// $msg\n";
	597	else
	598	{
	599	print $msg;
	600	print "\n<hr>\n";
	601	}
4e17e6	602	}
T	603
	604
	605	function encrypt_passwd($pass)
	606	{
	607	$cypher = des('rcmail?24BitPwDkeyF**ECB', $pass, 1, 0, NULL);
	608	return base64_encode($cypher);
	609	}
	610
	611
	612	function decrypt_passwd($cypher)
	613	{
	614	$pass = des('rcmail?24BitPwDkeyF**ECB', base64_decode($cypher), 0, 0, NULL);
	615	return trim($pass);
	616	}
	617
	618
	619	// send correct response on a remote request
15a9d1	620	function rcube_remote_response($js_code, $flush=FALSE)
4e17e6	621	{
15a9d1	622	static $s_header_sent = FALSE;
T	623
	624	if (!$s_header_sent)
	625	{
	626	$s_header_sent = TRUE;
	627	send_nocacheing_headers();
	628	header('Content-Type: application/x-javascript');
	629	print '/ remote response ['.date('d/M/Y h:i:s O')."] /\n";
	630	}
4e17e6	631
15a9d1	632	// send response code
2a20b0	633	print rcube_charset_convert($js_code, 'UTF-8', $GLOBALS['CHARSET']);
15a9d1	634
T	635	if ($flush) // flush the output buffer
	636	flush();
	637	else // terminate script
	638	exit;
4e17e6	639	}
T	640
	641
9fee0e	642	// read directory program/localization/ and return a list of available languages
T	643	function rcube_list_languages()
	644	{
	645	global $CONFIG, $INSTALL_PATH;
	646	static $sa_languages = array();
	647
	648	if (!sizeof($sa_languages))
	649	{
7cc38e	650	@include($INSTLL_PATH.'program/localization/index.inc');
9fee0e	651
T	652	if ($dh = @opendir($INSTLL_PATH.'program/localization'))
	653	{
	654	while (($name = readdir($dh)) !== false)
	655	{
	656	if ($name{0}=='.' \|\| !is_dir($INSTLL_PATH.'program/localization/'.$name))
	657	continue;
	658
	659	if ($label = $rcube_languages[$name])
	660	$sa_languages[$name] = $label ? $label : $name;
	661	}
	662	closedir($dh);
	663	}
	664	}
	665
	666	return $sa_languages;
	667	}
	668
4e17e6	669
10a699	670	// add a localized label to the client environment
T	671	function rcube_add_label()
	672	{
	673	global $OUTPUT, $JS_OBJECT_NAME;
	674
	675	$arg_list = func_get_args();
	676	foreach ($arg_list as $i => $name)
	677	$OUTPUT->add_script(sprintf("%s.add_label('%s', '%s');",
	678	$JS_OBJECT_NAME,
	679	$name,
	680	rep_specialchars_output(rcube_label($name), 'js')));
1cded8	681	}
T	682
	683
	684	// remove temp files of a session
	685	function rcmail_clear_session_temp($sess_id)
	686	{
	687	global $CONFIG;
	688
	689	$temp_dir = $CONFIG['temp_dir'].(!eregi('\/$', $CONFIG['temp_dir']) ? '/' : '');
	690	$cache_dir = $temp_dir.$sess_id;
	691
	692	if (is_dir($cache_dir))
	693	{
	694	clear_directory($cache_dir);
	695	rmdir($cache_dir);
	696	}
	697	}
	698
	699
	700
3f9edb	701	// convert a string from one charset to another
T	702	// this function is not complete and not tested well
	703	function rcube_charset_convert($str, $from, $to=NULL)
0af7e8	704	{
83dbb7	705	$from = strtoupper($from);
T	706	$to = $to==NULL ? strtoupper($GLOBALS['CHARSET']) : strtoupper($to);
0af7e8	707
3f9edb	708	if ($from==$to)
T	709	return $str;
83dbb7	710
T	711	// convert charset using iconv module
	712	if (function_exists('iconv') && $from!='UTF-7' && $to!='UTF-7') {
	713	return iconv($from, $to, $str);
	714	}
	715
	716	// convert string to UTF-8
	717	if ($from=='UTF-7')
	718	$str = rcube_charset_convert(UTF7DecodeString($str), 'ISO-8859-1');
	719	else if ($from=='ISO-8859-1' && function_exists('utf8_encode'))
	720	$str = utf8_encode($str);
	721	else if ($from!='UTF-8')
	722	{
	723	$conv = new utf8($from);
	724	$str = $conv->strToUtf8($str);
	725	}
0af7e8	726
3f9edb	727	// encode string for output
83dbb7	728	if ($to=='UTF-7')
3f9edb	729	return UTF7EncodeString($str);
83dbb7	730	else if ($to=='ISO-8859-1' && function_exists('utf8_decode'))
T	731	return utf8_decode($str);
	732	else if ($to!='UTF-8')
	733	{
	734	$conv = new utf8($to);
	735	return $conv->utf8ToStr($str);
	736	}
3f9edb	737
83dbb7	738	// return UTF-8 string
3f9edb	739	return $str;
0af7e8	740	}
3f9edb	741
0af7e8	742
T	743
1cded8	744	// replace specials characters to a specific encoding type
T	745	function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
	746	{
3f9edb	747	global $OUTPUT_TYPE, $OUTPUT;
1cded8	748	static $html_encode_arr, $js_rep_table, $rtf_rep_table, $xml_rep_table;
T	749
	750	if (!$enctype)
	751	$enctype = $GLOBALS['OUTPUT_TYPE'];
	752
	753	// convert nbsps back to normal spaces if not html
	754	if ($enctype!='html')
	755	$str = str_replace(chr(160), ' ', $str);
	756
	757	// encode for plaintext
	758	if ($enctype=='text')
	759	return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str);
	760
	761	// encode for HTML output
	762	if ($enctype=='html')
	763	{
	764	if (!$html_encode_arr)
	765	{
0af7e8	766	$html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
1cded8	767	unset($html_encode_arr['?']);
T	768	unset($html_encode_arr['&']);
	769	}
	770
	771	$ltpos = strpos($str, '<');
	772	$encode_arr = $html_encode_arr;
	773
	774	// don't replace quotes and html tags
	775	if (($mode=='show' \|\| $mode=='') && $ltpos!==false && strpos($str, '>', $ltpos)!==false)
	776	{
	777	unset($encode_arr['"']);
	778	unset($encode_arr['<']);
	779	unset($encode_arr['>']);
	780	}
	781	else if ($mode=='remove')
	782	$str = strip_tags($str);
	783
	784	$out = strtr($str, $encode_arr);
0af7e8	785
1cded8	786	return $newlines ? nl2br($out) : $out;
T	787	}
	788
	789
	790	if ($enctype=='url')
	791	return rawurlencode($str);
	792
	793
	794	// if the replace tables for RTF, XML and JS are not yet defined
	795	if (!$js_rep_table)
	796	{
	797	$js_rep_table = $rtf_rep_table = $xml_rep_table = array();
	798
	799	for ($c=160; $c<256; $c++) // can be increased to support more charsets
	800	{
	801	$hex = dechex($c);
	802	$rtf_rep_table[Chr($c)] = "\\'$hex";
	803	$xml_rep_table[Chr($c)] = "&#$c;";
	804
3f9edb	805	if ($OUTPUT->get_charset()=='ISO-8859-1')
1cded8	806	$js_rep_table[Chr($c)] = sprintf("\u%s%s", str_repeat('0', 4-strlen($hex)), $hex);
T	807	}
	808
	809	$js_rep_table['"'] = sprintf("\u%s%s", str_repeat('0', 4-strlen(dechex(34))), dechex(34));
	810	$xml_rep_table['"'] = '"';
	811	}
	812
	813	// encode for RTF
	814	if ($enctype=='xml')
	815	return strtr($str, $xml_rep_table);
	816
	817	// encode for javascript use
	818	if ($enctype=='js')
	819	return preg_replace(array("/\r\n/", '/"/', "/([^\\\])'/"), array('\n', '\"', "$1\'"), strtr($str, $js_rep_table));
	820
	821	// encode for RTF
	822	if ($enctype=='rtf')
	823	return preg_replace("/\r\n/", "\par ", strtr($str, $rtf_rep_table));
	824
	825	// no encoding given -> return original string
	826	return $str;
10a699	827	}
T	828
	829
4e17e6	830
T	831	// ************ template parsing and gui functions ************
	832
	833
	834	// return boolean if a specific template exists
	835	function template_exists($name)
	836	{
	837	global $CONFIG, $OUTPUT;
	838	$skin_path = $CONFIG['skin_path'];
	839
	840	// check template file
	841	return is_file("$skin_path/templates/$name.html");
	842	}
	843
	844
	845	// get page template an replace variable
	846	// similar function as used in nexImage
	847	function parse_template($name='main', $exit=TRUE)
	848	{
	849	global $CONFIG, $OUTPUT;
	850	$skin_path = $CONFIG['skin_path'];
	851
	852	// read template file
	853	$templ = '';
	854	$path = "$skin_path/templates/$name.html";
	855
	856	if($fp = @fopen($path, 'r'))
	857	{
	858	$templ = fread($fp, filesize($path));
	859	fclose($fp);
	860	}
	861	else
	862	{
	863	raise_error(array('code' => 500,
	864	'type' => 'php',
	865	'line' => __LINE__,
	866	'file' => __FILE__,
	867	'message' => "Error loading template for '$name'"), TRUE, TRUE);
	868	return FALSE;
	869	}
	870
	871
	872	// parse for specialtags
	873	$output = parse_rcube_xml($templ);
	874
	875	$OUTPUT->write(trim(parse_with_globals($output)), $skin_path);
	876
	877	if ($exit)
	878	exit;
	879	}
	880
	881
	882
	883	// replace all strings ($varname) with the content of the according global variable
	884	function parse_with_globals($input)
	885	{
b595c9	886	$GLOBALS['__comm_path'] = $GLOBALS['COMM_PATH'];
4e17e6	887	$output = preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
T	888	return $output;
	889	}
	890
	891
	892
	893	function parse_rcube_xml($input)
	894	{
	895	$output = preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "rcube_xml_command('\\1', '\\2')", $input);
	896	return $output;
	897	}
	898
	899
	900	function rcube_xml_command($command, $str_attrib, $a_attrib=NULL)
	901	{
0af7e8	902	global $IMAP, $CONFIG, $OUTPUT;
4e17e6	903
T	904	$attrib = array();
	905	$command = strtolower($command);
	906
	907	preg_match_all('/\s*([-_a-z]+)=["]([^"]+)["]?/i', stripslashes($str_attrib), $regs, PREG_SET_ORDER);
	908
	909	// convert attributes to an associative array (name => value)
	910	if ($regs)
	911	foreach ($regs as $attr)
	912	$attrib[strtolower($attr[1])] = $attr[2];
	913	else if ($a_attrib)
	914	$attrib = $a_attrib;
	915
	916	// execute command
	917	switch ($command)
	918	{
	919	// return a button
	920	case 'button':
	921	if ($attrib['command'])
	922	return rcube_button($attrib);
	923	break;
	924
	925	// show a label
	926	case 'label':
	927	if ($attrib['name'] \|\| $attrib['command'])
7dd801	928	return rep_specialchars_output(rcube_label($attrib));
4e17e6	929	break;
T	930
	931	// create a menu item
	932	case 'menu':
	933	if ($attrib['command'] && $attrib['group'])
	934	rcube_menu($attrib);
	935	break;
	936
	937	// include a file
	938	case 'include':
	939	$path = realpath($CONFIG['skin_path'].$attrib['file']);
	940
	941	if($fp = @fopen($path, 'r'))
	942	{
	943	$incl = fread($fp, filesize($path));
	944	fclose($fp);
	945	return parse_rcube_xml($incl);
	946	}
	947	break;
	948
	949	// return code for a specific application object
	950	case 'object':
	951	$object = strtolower($attrib['name']);
	952
1cded8	953	$object_handlers = array(
15a9d1	954	// GENERAL
T	955	'loginform' => 'rcmail_login_form',
	956	'username' => 'rcmail_current_username',
	957
1cded8	958	// MAIL
T	959	'mailboxlist' => 'rcmail_mailbox_list',
15a9d1	960	'message' => 'rcmail_message_container',
1cded8	961	'messages' => 'rcmail_message_list',
T	962	'messagecountdisplay' => 'rcmail_messagecount_display',
	963	'messageheaders' => 'rcmail_message_headers',
	964	'messagebody' => 'rcmail_message_body',
	965	'messageattachments' => 'rcmail_message_attachments',
	966	'blockedobjects' => 'rcmail_remote_objects_msg',
	967	'messagecontentframe' => 'rcmail_messagecontent_frame',
	968	'messagepartframe' => 'rcmail_message_part_frame',
	969	'messagepartcontrols' => 'rcmail_message_part_controls',
	970	'composeheaders' => 'rcmail_compose_headers',
	971	'composesubject' => 'rcmail_compose_subject',
	972	'composebody' => 'rcmail_compose_body',
	973	'composeattachmentlist' => 'rcmail_compose_attachment_list',
	974	'composeattachmentform' => 'rcmail_compose_attachment_form',
	975	'composeattachment' => 'rcmail_compose_attachment_field',
	976	'priorityselector' => 'rcmail_priority_selector',
	977	'charsetselector' => 'rcmail_charset_selector',
	978
	979	// ADDRESS BOOK
	980	'addresslist' => 'rcmail_contacts_list',
	981	'addressframe' => 'rcmail_contact_frame',
	982	'recordscountdisplay' => 'rcmail_rowcount_display',
	983	'contactdetails' => 'rcmail_contact_details',
	984	'contacteditform' => 'rcmail_contact_editform',
d1d2c4	985	'ldappublicsearch' => 'rcmail_ldap_public_search_form',
S	986	'ldappublicaddresslist' => 'rcmail_ldap_public_list',
1cded8	987
T	988	// USER SETTINGS
	989	'userprefs' => 'rcmail_user_prefs_form',
	990	'itentitieslist' => 'rcmail_identities_list',
	991	'identityframe' => 'rcmail_identity_frame',
	992	'identityform' => 'rcube_identity_form',
	993	'foldersubscription' => 'rcube_subscription_form',
	994	'createfolder' => 'rcube_create_folder_form',
	995	'composebody' => 'rcmail_compose_body'
	996	);
	997
	998
	999	// execute object handler function
15a9d1	1000	if ($object_handlers[$object] && function_exists($object_handlers[$object]))
1cded8	1001	return call_user_func($object_handlers[$object], $attrib);
4e17e6	1002
T	1003	else if ($object=='pagetitle')
	1004	{
	1005	$task = $GLOBALS['_task'];
15a9d1	1006	$title = !empty($CONFIG['product_name']) ? $CONFIG['product_name'].' :: ' : '';
T	1007
4e17e6	1008	if ($task=='mail' && isset($GLOBALS['MESSAGE']['subject']))
15a9d1	1009	$title .= $GLOBALS['MESSAGE']['subject'];
4e17e6	1010	else if (isset($GLOBALS['PAGE_TITLE']))
15a9d1	1011	$title .= $GLOBALS['PAGE_TITLE'];
4e17e6	1012	else if ($task=='mail' && ($mbox_name = $IMAP->get_mailbox_name()))
3f9edb	1013	$title .= rcube_charset_convert($mbox_name, 'UTF-7', 'UTF-8');
4e17e6	1014	else
15a9d1	1015	$title .= $task;
T	1016
	1017	return rep_specialchars_output($title, 'html', 'all');
4e17e6	1018	}
T	1019
	1020	break;
	1021	}
	1022
	1023	return '';
	1024	}
	1025
	1026
	1027	// create and register a button
	1028	function rcube_button($attrib)
	1029	{
14eafe	1030	global $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $BROWSER;
4e17e6	1031	static $sa_buttons = array();
T	1032	static $s_button_count = 100;
	1033
	1034	$skin_path = $CONFIG['skin_path'];
	1035
	1036	if (!($attrib['command'] \|\| $attrib['name']))
	1037	return '';
	1038
	1039	// try to find out the button type
	1040	if ($attrib['type'])
	1041	$attrib['type'] = strtolower($attrib['type']);
	1042	else
	1043	$attrib['type'] = ($attrib['image'] \|\| $attrib['imagepas'] \|\| $arg['imagect']) ? 'image' : 'link';
	1044
	1045
	1046	$command = $attrib['command'];
	1047
	1048	// take the button from the stack
	1049	if($attrib['name'] && $sa_buttons[$attrib['name']])
	1050	$attrib = $sa_buttons[$attrib['name']];
	1051
	1052	// add button to button stack
	1053	else if($attrib['image'] \|\| $arg['imagect'] \|\| $attrib['imagepas'] \|\| $attrib['class'])
	1054	{
	1055	if(!$attrib['name'])
	1056	$attrib['name'] = $command;
	1057
	1058	if (!$attrib['image'])
	1059	$attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
	1060
	1061	$sa_buttons[$attrib['name']] = $attrib;
	1062	}
	1063
	1064	// get saved button for this command/name
	1065	else if ($command && $sa_buttons[$command])
	1066	$attrib = $sa_buttons[$command];
	1067
	1068	//else
	1069	// return '';
	1070
	1071
	1072	// set border to 0 because of the link arround the button
	1073	if ($attrib['type']=='image' && !isset($attrib['border']))
	1074	$attrib['border'] = 0;
	1075
	1076	if (!$attrib['id'])
	1077	$attrib['id'] = sprintf('rcmbtn%d', $s_button_count++);
	1078
	1079	// get localized text for labels and titles
	1080	if ($attrib['title'])
	1081	$attrib['title'] = rep_specialchars_output(rcube_label($attrib['title']));
	1082	if ($attrib['label'])
	1083	$attrib['label'] = rep_specialchars_output(rcube_label($attrib['label']));
	1084
	1085	if ($attrib['alt'])
	1086	$attrib['alt'] = rep_specialchars_output(rcube_label($attrib['alt']));
14eafe	1087
T	1088	// set title to alt attribute for IE browsers
	1089	if ($BROWSER['ie'] && $attrib['title'] && !$attrib['alt'])
	1090	{
	1091	$attrib['alt'] = $attrib['title'];
	1092	unset($attrib['title']);
	1093	}
	1094
4e17e6	1095	// add empty alt attribute for XHTML compatibility
T	1096	if (!isset($attrib['alt']))
	1097	$attrib['alt'] = '';
	1098
	1099
	1100	// register button in the system
	1101	if ($attrib['command'])
	1102	$OUTPUT->add_script(sprintf("%s.register_button('%s', '%s', '%s', '%s', '%s', '%s');",
	1103	$JS_OBJECT_NAME,
	1104	$command,
	1105	$attrib['id'],
	1106	$attrib['type'],
	1107	$attrib['imageact'] ? $skin_path.$attrib['imageact'] : $attrib['classact'],
	1108	$attirb['imagesel'] ? $skin_path.$attirb['imagesel'] : $attrib['classsel'],
	1109	$attrib['imageover'] ? $skin_path.$attrib['imageover'] : ''));
	1110
	1111	// overwrite attributes
	1112	if (!$attrib['href'])
	1113	$attrib['href'] = '#';
	1114
	1115	if ($command)
	1116	$attrib['onclick'] = sprintf("return %s.command('%s','%s',this)", $JS_OBJECT_NAME, $command, $attrib['prop']);
	1117
	1118	if ($command && $attrib['imageover'])
	1119	{
	1120	$attrib['onmouseover'] = sprintf("return %s.button_over('%s','%s')", $JS_OBJECT_NAME, $command, $attrib['id']);
	1121	$attrib['onmouseout'] = sprintf("return %s.button_out('%s','%s')", $JS_OBJECT_NAME, $command, $attrib['id']);
	1122	}
	1123
	1124
	1125	$out = '';
	1126
	1127	// generate image tag
	1128	if ($attrib['type']=='image')
	1129	{
1cded8	1130	$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'width', 'height', 'border', 'hspace', 'vspace', 'align', 'alt'));
4e17e6	1131	$img_tag = sprintf('<img src="%%s"%s />', $attrib_str);
T	1132	$btn_content = sprintf($img_tag, $skin_path.$attrib['image']);
	1133	if ($attrib['label'])
	1134	$btn_content .= ' '.$attrib['label'];
	1135
	1136	$link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'title');
	1137	}
	1138	else if ($attrib['type']=='link')
	1139	{
	1140	$btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
	1141	$link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style');
	1142	}
	1143	else if ($attrib['type']=='input')
	1144	{
	1145	$attrib['type'] = 'button';
	1146
	1147	if ($attrib['label'])
	1148	$attrib['value'] = $attrib['label'];
	1149
	1150	$attrib_str = create_attrib_string($attrib, array('type', 'value', 'onclick', 'id', 'class', 'style'));
	1151	$out = sprintf('<input%s disabled />', $attrib_str);
	1152	}
	1153
	1154	// generate html code for button
	1155	if ($btn_content)
	1156	{
	1157	$attrib_str = create_attrib_string($attrib, $link_attrib);
	1158	$out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
	1159	}
	1160
	1161	return $out;
	1162	}
	1163
	1164
	1165	function rcube_menu($attrib)
	1166	{
	1167
	1168	return '';
	1169	}
	1170
	1171
	1172
d1d2c4	1173	function rcube_table_output($attrib, $table_data, $a_show_cols, $id_col)
4e17e6	1174	{
T	1175	global $DB;
	1176
	1177	// allow the following attributes to be added to the <table> tag
	1178	$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
	1179
	1180	$table = '<table' . $attrib_str . ">\n";
	1181
	1182	// add table title
	1183	$table .= "<thead><tr>\n";
	1184
	1185	foreach ($a_show_cols as $col)
1038d5	1186	$table .= '<td class="'.$col.'">' . rep_specialchars_output(rcube_label($col)) . "</td>\n";
4e17e6	1187
T	1188	$table .= "</tr></thead>\n<tbody>\n";
	1189
	1190	$c = 0;
d1d2c4	1191
S	1192	if (!is_array($table_data))
4e17e6	1193	{
d1d2c4	1194	while ($table_data && ($sql_arr = $DB->fetch_assoc($table_data)))
4e17e6	1195	{
d1d2c4	1196	$zebra_class = $c%2 ? 'even' : 'odd';
4e17e6	1197
d1d2c4	1198	$table .= sprintf('<tr id="rcmrow%d" class="contact '.$zebra_class.'">'."\n", $sql_arr[$id_col]);
S	1199
	1200	// format each col
	1201	foreach ($a_show_cols as $col)
	1202	{
	1203	$cont = rep_specialchars_output($sql_arr[$col]);
	1204	$table .= '<td class="'.$col.'">' . $cont . "</td>\n";
	1205	}
	1206
	1207	$table .= "</tr>\n";
	1208	$c++;
	1209	}
	1210	}
	1211	else
	1212	{
	1213	foreach ($table_data as $row_data)
	1214	{
	1215	$zebra_class = $c%2 ? 'even' : 'odd';
	1216
	1217	$table .= sprintf('<tr id="rcmrow%d" class="contact '.$zebra_class.'">'."\n", $row_data[$id_col]);
	1218
	1219	// format each col
	1220	foreach ($a_show_cols as $col)
	1221	{
	1222	$cont = rep_specialchars_output($row_data[$col]);
	1223	$table .= '<td class="'.$col.'">' . $cont . "</td>\n";
	1224	}
	1225
	1226	$table .= "</tr>\n";
	1227	$c++;
	1228	}
4e17e6	1229	}
T	1230
	1231	// complete message table
	1232	$table .= "</tbody></table>\n";
	1233
	1234	return $table;
	1235	}
	1236
	1237
	1238
	1239	function rcmail_get_edit_field($col, $value, $attrib, $type='text')
	1240	{
	1241	$fname = '_'.$col;
	1242	$attrib['name'] = $fname;
	1243
	1244	if ($type=='checkbox')
	1245	{
	1246	$attrib['value'] = '1';
	1247	$input = new checkbox($attrib);
	1248	}
	1249	else if ($type=='textarea')
	1250	{
	1251	$attrib['cols'] = $attrib['size'];
	1252	$input = new textarea($attrib);
	1253	}
	1254	else
	1255	$input = new textfield($attrib);
	1256
	1257	// use value from post
597170	1258	if (!empty($_POST[$fname]))
4e17e6	1259	$value = $_POST[$fname];
T	1260
	1261	$out = $input->show($value);
	1262
	1263	return $out;
	1264	}
	1265
	1266
	1267	function create_attrib_string($attrib, $allowed_attribs=array('id', 'class', 'style'))
	1268	{
	1269	// allow the following attributes to be added to the <iframe> tag
	1270	$attrib_str = '';
	1271	foreach ($allowed_attribs as $a)
	1272	if (isset($attrib[$a]))
	1273	$attrib_str .= sprintf(' %s="%s"', $a, $attrib[$a]);
	1274
	1275	return $attrib_str;
	1276	}
	1277
	1278
	1279
	1280	function format_date($date, $format=NULL)
	1281	{
	1282	global $CONFIG, $sess_user_lang;
	1283
	1284	if (is_numeric($date))
	1285	$ts = $date;
b076a4	1286	else if (!empty($date))
4e17e6	1287	$ts = strtotime($date);
b076a4	1288	else
T	1289	return '';
4e17e6	1290
T	1291	// convert time to user's timezone
	1292	$timestamp = $ts - date('Z', $ts) + ($CONFIG['timezone'] * 3600);
	1293
	1294	// get current timestamp in user's timezone
	1295	$now = time(); // local time
	1296	$now -= (int)date('Z'); // make GMT time
	1297	$now += ($CONFIG['timezone'] * 3600); // user's time
749b07	1298	$now_date = getdate();
4e17e6	1299
749b07	1300	//$day_secs = 60((int)date('H', $now)60 + (int)date('i', $now));
T	1301	//$week_secs = 60 * 60 * 24 * 7;
	1302	//$diff = $now - $timestamp;
	1303	$today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
	1304	$week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
4e17e6	1305
30233b	1306	// define date format depending on current time
749b07	1307	if ($CONFIG['prettydate'] && !$format && $timestamp > $today_limit)
4e17e6	1308	return sprintf('%s %s', rcube_label('today'), date('H:i', $timestamp));
749b07	1309	else if ($CONFIG['prettydate'] && !$format && $timestamp > $week_limit)
4e17e6	1310	$format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
T	1311	else if (!$format)
	1312	$format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
	1313
	1314
	1315	// parse format string manually in order to provide localized weekday and month names
	1316	// an alternative would be to convert the date() format string to fit with strftime()
	1317	$out = '';
	1318	for($i=0; $i<strlen($format); $i++)
	1319	{
	1320	if ($format{$i}=='\\') // skip escape chars
	1321	continue;
	1322
	1323	// write char "as-is"
	1324	if ($format{$i}==' ' \|\| $format{$i-1}=='\\')
	1325	$out .= $format{$i};
	1326	// weekday (short)
	1327	else if ($format{$i}=='D')
	1328	$out .= rcube_label(strtolower(date('D', $timestamp)));
	1329	// weekday long
	1330	else if ($format{$i}=='l')
	1331	$out .= rcube_label(strtolower(date('l', $timestamp)));
	1332	// month name (short)
	1333	else if ($format{$i}=='M')
	1334	$out .= rcube_label(strtolower(date('M', $timestamp)));
	1335	// month name (long)
	1336	else if ($format{$i}=='F')
	1337	$out .= rcube_label(strtolower(date('F', $timestamp)));
	1338	else
	1339	$out .= date($format{$i}, $timestamp);
	1340	}
	1341
	1342	return $out;
	1343	}
	1344
	1345
	1346	// ************ functions delivering gui objects ************
	1347
	1348
	1349
	1350	function rcmail_message_container($attrib)
	1351	{
	1352	global $OUTPUT, $JS_OBJECT_NAME;
	1353
	1354	if (!$attrib['id'])
	1355	$attrib['id'] = 'rcmMessageContainer';
	1356
	1357	// allow the following attributes to be added to the <table> tag
	1358	$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
	1359	$out = '<div' . $attrib_str . "></div>";
	1360
	1361	$OUTPUT->add_script("$JS_OBJECT_NAME.gui_object('message', '$attrib[id]');");
	1362
	1363	return $out;
	1364	}
	1365
	1366
15a9d1	1367	// return the IMAP username of the current session
T	1368	function rcmail_current_username($attrib)
	1369	{
	1370	global $DB;
	1371	static $s_username;
	1372
	1373	// alread fetched
	1374	if (!empty($s_username))
	1375	return $s_username;
	1376
	1377	// get e-mail address form default identity
	1378	$sql_result = $DB->query("SELECT email AS mailto
	1379	FROM ".get_table_name('identities')."
	1380	WHERE user_id=?
	1381	AND standard=1
	1382	AND del<>1",
	1383	$_SESSION['user_id']);
	1384
	1385	if ($DB->num_rows($sql_result))
	1386	{
	1387	$sql_arr = $DB->fetch_assoc($sql_result);
	1388	$s_username = $sql_arr['mailto'];
	1389	}
	1390	else if (strstr($_SESSION['username'], '@'))
	1391	$s_username = $_SESSION['username'];
	1392	else
	1393	$s_username = $_SESSION['username'].'@'.$_SESSION['imap_host'];
	1394
	1395	return $s_username;
	1396	}
	1397
	1398
4e17e6	1399	// return code for the webmail login form
T	1400	function rcmail_login_form($attrib)
	1401	{
	1402	global $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $SESS_HIDDEN_FIELD;
	1403
	1404	$labels = array();
	1405	$labels['user'] = rcube_label('username');
	1406	$labels['pass'] = rcube_label('password');
	1407	$labels['host'] = rcube_label('server');
	1408
	1409	$input_user = new textfield(array('name' => '_user', 'size' => 30));
	1410	$input_pass = new passwordfield(array('name' => '_pass', 'size' => 30));
	1411	$input_action = new hiddenfield(array('name' => '_action', 'value' => 'login'));
	1412
	1413	$fields = array();
	1414	$fields['user'] = $input_user->show($_POST['_user']);
	1415	$fields['pass'] = $input_pass->show();
	1416	$fields['action'] = $input_action->show();
	1417
	1418	if (is_array($CONFIG['default_host']))
	1419	{
	1420	$select_host = new select(array('name' => '_host'));
42b113	1421
T	1422	foreach ($CONFIG['default_host'] as $key => $value)
	1423	$select_host->add($value, (is_numeric($key) ? $value : $key));
	1424
4e17e6	1425	$fields['host'] = $select_host->show($_POST['_host']);
T	1426	}
	1427	else if (!strlen($CONFIG['default_host']))
	1428	{
	1429	$input_host = new textfield(array('name' => '_host', 'size' => 30));
	1430	$fields['host'] = $input_host->show($_POST['_host']);
	1431	}
	1432
	1433	$form_name = strlen($attrib['form']) ? $attrib['form'] : 'form';
	1434	$form_start = !strlen($attrib['form']) ? '<form name="form" action="./" method="post">' : '';
	1435	$form_end = !strlen($attrib['form']) ? '</form>' : '';
	1436
	1437	if ($fields['host'])
	1438	$form_host = <<<EOF
	1439
	1440	</tr><tr>
	1441
	1442	<td class="title">$labels[host]</td>
	1443	<td>$fields[host]</td>
	1444
	1445	EOF;
	1446
	1447	$OUTPUT->add_script("$JS_OBJECT_NAME.gui_object('loginform', '$form_name');");
	1448
	1449	$out = <<<EOF
	1450	$form_start
	1451	$SESS_HIDDEN_FIELD
	1452	$fields[action]
	1453	<table><tr>
	1454
	1455	<td class="title">$labels[user]</td>
	1456	<td>$fields[user]</td>
	1457
	1458	</tr><tr>
	1459
	1460	<td class="title">$labels[pass]</td>
	1461	<td>$fields[pass]</td>
	1462	$form_host
	1463	</tr></table>
	1464	$form_end
	1465	EOF;
	1466
	1467	return $out;
	1468	}
	1469
	1470
1cded8	1471
T	1472	function rcmail_charset_selector($attrib)
	1473	{
	1474	// pass the following attributes to the form class
	1475	$field_attrib = array('name' => '_charset');
	1476	foreach ($attrib as $attr => $value)
	1477	if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex')))
	1478	$field_attrib[$attr] = $value;
	1479
	1480	$charsets = array(
	1481	'US-ASCII' => 'ASCII (English)',
	1482	'X-EUC-JP' => 'EUC-JP (Japanese)',
	1483	'EUC-KR' => 'EUC-KR (Korean)',
	1484	'BIG5' => 'BIG5 (Chinese)',
	1485	'GB2312' => 'GB2312 (Chinese)',
	1486	'ISO-8859-1' => 'ISO-8859-1 (Latin-1)',
	1487	'ISO-8859-2' => 'ISO-8895-2 (Central European)',
	1488	'ISO-8859-7' => 'ISO-8859-7 (Greek)',
	1489	'ISO-8859-9' => 'ISO-8859-9 (Turkish)',
	1490	'Windows-1251' => 'Windows-1251 (Cyrillic)',
	1491	'Windows-1252' => 'Windows-1252 (Western)',
	1492	'Windows-1255' => 'Windows-1255 (Hebrew)',
	1493	'Windows-1256' => 'Windows-1256 (Arabic)',
	1494	'Windows-1257' => 'Windows-1257 (Baltic)',
	1495	'UTF-8' => 'UTF-8'
	1496	);
	1497
	1498	$select = new select($field_attrib);
	1499	$select->add(array_values($charsets), array_keys($charsets));
	1500
	1501	$set = $_POST['_charset'] ? $_POST['_charset'] : $GLOBALS['CHARSET'];
	1502	return $select->show($set);
	1503	}
	1504
	1505
15a9d1	1506	function rcube_timer()
T	1507	{
	1508	list($usec, $sec) = explode(" ", microtime());
	1509	return ((float)$usec + (float)$sec);
	1510	}
	1511
	1512
	1513	function rcube_print_time($timer, $label='Timer')
	1514	{
	1515	static $print_count = 0;
	1516
	1517	$print_count++;
	1518	$now = rcube_timer();
	1519	$diff = $now-$timer;
	1520
	1521	if (empty($label))
	1522	$label = 'Timer '.$print_count;
	1523
	1524	console(sprintf("%s: %0.4f sec", $label, $diff));
	1525	}
	1526
d1d2c4	1527	?>