githubFork/roundcubemail.git

thomascube

2006-03-04 f5121b5639992fc9e51fd551bac2254429b638fa

commit \| author \| age
4e17e6	1	<?php
T	2	/////////////////////////////////////////////////////////
	3	//
	4	// Iloha IMAP Library (IIL)
	5	//
	6	// (C)Copyright 2002 Ryo Chijiiwa <Ryo@IlohaMail.org>
	7	//
	8	// This file is part of IlohaMail. IlohaMail is free software released
	9	// under the GPL license. See enclosed file COPYING for details, or
	10	// see http://www.fsf.org/copyleft/gpl.html
	11	//
	12	/////////////////////////////////////////////////////////
	13
	14	/********************************************************
	15
	16	FILE: include/imap.inc
	17	PURPOSE:
	18	Provide alternative IMAP library that doesn't rely on the standard
	19	C-Client based version. This allows IlohaMail to function regardless
	20	of whether or not the PHP build it's running on has IMAP functionality
	21	built-in.
	22	USEAGE:
	23	Function containing "_C_" in name require connection handler to be
	24	passed as one of the parameters. To obtain connection handler, use
	25	iil_Connect()
0284c2	26	VERSION:
T	27	IlohaMail-0.9-20050415
	28	CHANGES:
	29	File altered by Thomas Bruederli <roundcube@gmail.com>
	30	to fit enhanced equirements by the RoundCube Webmail:
	31	- Added list of server capabilites and check these before invoking commands
	32	- Added junk flag to iilBasicHeader
	33	- Enhanced error reporting on fsockopen()
	34	- Additional parameter for SORT command
	35	- Removed Call-time pass-by-reference because deprecated
	36	- Parse charset from content-type in iil_C_FetchHeaders()
	37	- Enhanced heaer sorting
	38	- Pass message as reference in iil_C_Append (to save memory)
f88d41	39	- Added BCC and REFERENCE to the list of headers to fetch in iil_C_FetchHeaders()
T	40	- Leave messageID unchanged in iil_C_FetchHeaders()
	41	- Avoid stripslahes in iil_Connect()
0284c2	42	- Removed some debuggers (echo ...)
4e17e6	43
T	44	********************************************************/
0284c2	45
4e17e6	46
T	47	// changed path to work within roundcube webmail
	48	include_once("lib/icl_commons.inc");
	49
	50
	51	if (!$IMAP_USE_HEADER_DATE) $IMAP_USE_INTERNAL_DATE = true;
	52	$IMAP_MONTHS=array("Jan"=>1,"Feb"=>2,"Mar"=>3,"Apr"=>4,"May"=>5,"Jun"=>6,"Jul"=>7,"Aug"=>8,"Sep"=>9,"Oct"=>10,"Nov"=>11,"Dec"=>12);
	53	$IMAP_SERVER_TZ = date('Z');
	54
	55	$iil_error;
	56	$iil_errornum;
	57	$iil_selected;
	58
	59	class iilConnection{
	60	var $fp;
	61	var $error;
	62	var $errorNum;
	63	var $selected;
	64	var $message;
	65	var $host;
	66	var $cache;
	67	var $uid_cache;
	68	var $do_cache;
	69	var $exists;
	70	var $recent;
	71	var $rootdir;
	72	var $delimiter;
f3b659	73	var $capability = array();
4e17e6	74	}
T	75
	76	class iilBasicHeader{
	77	var $id;
	78	var $uid;
	79	var $subject;
	80	var $from;
	81	var $to;
	82	var $cc;
	83	var $replyto;
	84	var $in_reply_to;
	85	var $date;
	86	var $messageID;
	87	var $size;
	88	var $encoding;
	89	var $ctype;
	90	var $flags;
	91	var $timestamp;
	92	var $f;
	93	var $seen;
	94	var $deleted;
	95	var $recent;
	96	var $answered;
	97	var $junk;
	98	var $internaldate;
	99	var $is_reply;
	100	}
	101
	102
	103	class iilThreadHeader{
	104	var $id;
	105	var $sbj;
	106	var $irt;
	107	var $mid;
	108	}
	109
	110
	111	function iil_xor($string, $string2){
	112	$result = "";
	113	$size = strlen($string);
	114	for ($i=0; $i<$size; $i++) $result .= chr(ord($string[$i]) ^ ord($string2[$i]));
	115
	116	return $result;
	117	}
	118
	119	function iil_ReadLine($fp, $size){
	120	$line="";
	121	if ($fp){
	122	do{
	123	$buffer = fgets($fp, 2048);
	124	$line.=$buffer;
	125	}while($buffer[strlen($buffer)-1]!="\n");
	126	}
	127	return $line;
	128	}
	129
	130	function iil_MultLine($fp, $line){
	131	$line = chop($line);
	132	if (ereg('\{[0-9]+\}$', $line)){
	133	$out = "";
	134	preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a);
	135	$bytes = $a[2][0];
	136	while(strlen($out)<$bytes){
	137	$out.=chop(iil_ReadLine($fp, 1024));
	138	}
	139	$line = $a[1][0]."\"$out\"";
	140	}
	141	return $line;
	142	}
	143
	144	function iil_ReadBytes($fp, $bytes){
	145	$data = "";
	146	$len = 0;
	147	do{
	148	$data.=fread($fp, $bytes-$len);
	149	$len = strlen($data);
	150	}while($len<$bytes);
	151	return $data;
	152	}
	153
	154	function iil_ReadReply($fp){
	155	do{
	156	$line = chop(trim(iil_ReadLine($fp, 1024)));
	157	}while($line[0]=="*");
	158
	159	return $line;
	160	}
	161
	162	function iil_ParseResult($string){
	163	$a=explode(" ", $string);
	164	if (count($a) > 2){
	165	if (strcasecmp($a[1], "OK")==0) return 0;
	166	else if (strcasecmp($a[1], "NO")==0) return -1;
	167	else if (strcasecmp($a[1], "BAD")==0) return -2;
	168	}else return -3;
	169	}
	170
	171	// check if $string starts with $match
	172	function iil_StartsWith($string, $match){
	173	$len = strlen($match);
	174	if ($len==0) return false;
	175	if (strncmp($string, $match, $len)==0) return true;
	176	else return false;
	177	}
	178
	179	function iil_StartsWithI($string, $match){
	180	$len = strlen($match);
	181	if ($len==0) return false;
	182	if (strncasecmp($string, $match, $len)==0) return true;
	183	else return false;
	184	}
	185
	186
	187	function iil_C_Authenticate(&$conn, $user, $pass, $encChallenge){
	188
	189	// initialize ipad, opad
	190	for ($i=0;$i<64;$i++){
	191	$ipad.=chr(0x36);
	192	$opad.=chr(0x5C);
	193	}
	194	// pad $pass so it's 64 bytes
	195	$padLen = 64 - strlen($pass);
	196	for ($i=0;$i<$padLen;$i++) $pass .= chr(0);
	197	// generate hash
	198	$hash = md5(iil_xor($pass,$opad).pack("H*",md5(iil_xor($pass, $ipad).base64_decode($encChallenge))));
	199	// generate reply
	200	$reply = base64_encode($user." ".$hash);
	201
	202	// send result, get reply
	203	fputs($conn->fp, $reply."\r\n");
	204	$line = iil_ReadLine($conn->fp, 1024);
	205
	206	// process result
	207	if (iil_ParseResult($line)==0){
	208	$conn->error .= "";
	209	$conn->errorNum = 0;
	210	return $conn->fp;
	211	}else{
	212	$conn->error .= 'Authentication failed (AUTH): <br>"'.htmlspecialchars($line)."\"";
	213	$conn->errorNum = -2;
	214	return false;
	215	}
	216	}
	217
	218	function iil_C_Login(&$conn, $user, $password){
	219
	220	fputs($conn->fp, "a001 LOGIN $user \"$password\"\r\n");
	221
	222	do{
	223	$line = iil_ReadReply($conn->fp);
	224	}while(!iil_StartsWith($line, "a001 "));
	225	$a=explode(" ", $line);
	226	if (strcmp($a[1],"OK")==0){
	227	$result=$conn->fp;
	228	$conn->error.="";
	229	$conn->errorNum = 0;
	230	}else{
	231	$result=false;
	232	fclose($conn->fp);
	233	$conn->error .= 'Authentication failed (LOGIN):<br>"'.htmlspecialchars($line)."\"";
	234	$conn->errorNum = -2;
	235	}
	236	return $result;
	237	}
	238
	239	function iil_ParseNamespace2($str, &$i, $len=0, $l){
	240	if (!$l) $str = str_replace("NIL", "()", $str);
	241	if (!$len) $len = strlen($str);
	242	$data = array();
	243	$in_quotes = false;
	244	$elem = 0;
	245	for($i;$i<$len;$i++){
	246	$c = (string)$str[$i];
	247	if ($c=='(' && !$in_quotes){
	248	$i++;
	249	$data[$elem] = iil_ParseNamespace2($str, $i, $len, $l++);
	250	$elem++;
	251	}else if ($c==')' && !$in_quotes) return $data;
	252	else if ($c=="\\"){
	253	$i++;
	254	if ($in_quotes) $data[$elem].=$c.$str[$i];
	255	}else if ($c=='"'){
	256	$in_quotes = !$in_quotes;
	257	if (!$in_quotes) $elem++;
	258	}else if ($in_quotes){
	259	$data[$elem].=$c;
	260	}
	261	}
	262	return $data;
	263	}
	264
	265	function iil_C_NameSpace(&$conn){
	266	global $my_prefs;
	267
f3b659	268	if (!in_array('NAMESPACE', $conn->capability))
T	269	return false;
	270
4e17e6	271	if ($my_prefs["rootdir"]) return true;
T	272
	273	fputs($conn->fp, "ns1 NAMESPACE\r\n");
	274	do{
	275	$line = iil_ReadLine($conn->fp, 1024);
	276	if (iil_StartsWith($line, "* NAMESPACE")){
	277	$i = 0;
	278	$data = iil_ParseNamespace2(substr($line,11), $i, 0, 0);
	279	}
	280	}while(!iil_StartsWith($line, "ns1"));
	281
	282	if (!is_array($data)) return false;
	283
	284	$user_space_data = $data[0];
	285	if (!is_array($user_space_data)) return false;
	286
	287	$first_userspace = $user_space_data[0];
	288	if (count($first_userspace)!=2) return false;
	289
	290	$conn->rootdir = $first_userspace[0];
	291	$conn->delimiter = $first_userspace[1];
	292	$my_prefs["rootdir"] = substr($conn->rootdir, 0, -1);
	293
	294	return true;
	295
	296	}
	297
	298	function iil_Connect($host, $user, $password){
	299	global $iil_error, $iil_errornum;
	300	global $ICL_SSL, $ICL_PORT;
	301	global $IMAP_NO_CACHE;
	302	global $my_prefs, $IMAP_USE_INTERNAL_DATE;
	303
	304	$iil_error = "";
	305	$iil_errornum = 0;
	306
	307	//strip slashes
f88d41	308	// $user = stripslashes($user);
T	309	// $password = stripslashes($password);
4e17e6	310
T	311	//set auth method
	312	$auth_method = "plain";
	313	if (func_num_args() >= 4){
	314	$auth_array = func_get_arg(3);
	315	if (is_array($auth_array)) $auth_method = $auth_array["imap"];
	316	if (empty($auth_method)) $auth_method = "plain";
	317	}
	318	$message = "INITIAL: $auth_method\n";
	319
	320	$result = false;
	321
	322	//initialize connection
	323	$conn = new iilConnection;
	324	$conn->error="";
	325	$conn->errorNum=0;
	326	$conn->selected="";
	327	$conn->user = $user;
	328	$conn->host = $host;
	329	$conn->cache = array();
	330	$conn->do_cache = (function_exists("cache_write")&&!$IMAP_NO_CACHE);
	331	$conn->cache_dirty = array();
	332
	333	if ($my_prefs['sort_field']=='INTERNALDATE') $IMAP_USE_INTERNAL_DATE = true;
	334	else if ($my_prefs['sort_field']=='DATE') $IMAP_USE_INTERNAL_DATE = false;
	335	//echo '<!-- conn sort_field: '.$my_prefs['sort_field'].' //-->';
	336
	337	//check input
	338	if (empty($host)) $iil_error .= "Invalid host<br>\n";
	339	if (empty($user)) $iil_error .= "Invalid user<br>\n";
	340	if (empty($password)) $iil_error .= "Invalid password<br>\n";
	341	if (!empty($iil_error)) return false;
	342	if (!$ICL_PORT) $ICL_PORT = 143;
	343
	344	//check for SSL
	345	if ($ICL_SSL){
	346	$host = "ssl://".$host;
	347	}
	348
	349	//open socket connection
9fee0e	350	$conn->fp = @fsockopen($host, $ICL_PORT, $errno, $errstr, 10);
4e17e6	351	if (!$conn->fp){
520c36	352	$iil_error = "Could not connect to $host at port $ICL_PORT: $errstr";
4e17e6	353	$iil_errornum = -1;
T	354	return false;
	355	}
	356
	357	$iil_error.="Socket connection established\r\n";
	358	$line=iil_ReadLine($conn->fp, 300);
f3b659	359
4e17e6	360	if (strcasecmp($auth_method, "check")==0){
T	361	//check for supported auth methods
	362
	363	//default to plain text auth
	364	$auth_method = "plain";
	365
	366	//check for CRAM-MD5
	367	fputs($conn->fp, "cp01 CAPABILITY\r\n");
	368	do{
	369	$line = trim(chop(iil_ReadLine($conn->fp, 100)));
42b113	370	$conn->message.="$line\n";
4e17e6	371	$a = explode(" ", $line);
T	372	if ($line[0]=="*"){
	373	while ( list($k, $w) = each($a) ){
f3b659	374	if ($w!='*' && $w!='CAPABILITY')
T	375	$conn->capability[] = $w;
4e17e6	376	if ((strcasecmp($w, "AUTH=CRAM_MD5")==0)\|\|
T	377	(strcasecmp($w, "AUTH=CRAM-MD5")==0)){
	378	$auth_method = "auth";
	379	}
	380	}
	381	}
	382	}while($a[0]!="cp01");
	383	}
	384
	385	if (strcasecmp($auth_method, "auth")==0){
	386	$conn->message.="Trying CRAM-MD5\n";
	387	//do CRAM-MD5 authentication
	388	fputs($conn->fp, "a000 AUTHENTICATE CRAM-MD5\r\n");
	389	$line = trim(chop(iil_ReadLine($conn->fp, 1024)));
42b113	390	$conn->message.="$line\n";
4e17e6	391	if ($line[0]=="+"){
T	392	$conn->message.='Got challenge: '.htmlspecialchars($line)."\n";
	393	//got a challenge string, try CRAM-5
	394	$result = iil_C_Authenticate($conn, $user, $password, substr($line,2));
	395	$conn->message.= "Tried CRAM-MD5: $result \n";
	396	}else{
	397	$conn->message.='No challenge ('.htmlspecialchars($line)."), try plain\n";
	398	$auth = "plain";
	399	}
	400	}
	401
	402	if ((!$result)\|\|(strcasecmp($auth, "plain")==0)){
	403	//do plain text auth
	404	$result = iil_C_Login($conn, $user, $password);
	405	$conn->message.="Tried PLAIN: $result \n";
	406	}
	407
	408	$conn->message .= $auth;
	409
	410	if ($result){
	411	iil_C_Namespace($conn);
	412	return $conn;
	413	}else{
	414	$iil_error = $conn->error;
	415	$iil_errornum = $conn->errorNum;
	416	return false;
	417	}
	418	}
	419
	420	function iil_Close(&$conn){
	421	iil_C_WriteCache($conn);
	422	if (@fputs($conn->fp, "I LOGOUT\r\n")){
	423	fgets($conn->fp, 1024);
	424	fclose($conn->fp);
	425	$conn->fp = false;
	426	}
	427	}
	428
	429	function iil_ClearCache($user, $host){
	430	}
	431
	432
	433	function iil_C_WriteCache(&$conn){
	434	//echo "<!-- doing iil_C_WriteCache //-->\n";
	435	if (!$conn->do_cache) return false;
	436
	437	if (is_array($conn->cache)){
	438	while(list($folder,$data)=each($conn->cache)){
	439	if ($folder && is_array($data) && $conn->cache_dirty[$folder]){
	440	$key = $folder.".imap";
	441	$result = cache_write($conn->user, $conn->host, $key, $data, true);
	442	//echo "<!-- writing $key $data: $result //-->\n";
	443	}
	444	}
	445	}
	446	}
	447
	448	function iil_C_EnableCache(&$conn){
	449	$conn->do_cache = true;
	450	}
	451
	452	function iil_C_DisableCache(&$conn){
	453	$conn->do_cache = false;
	454	}
	455
	456	function iil_C_LoadCache(&$conn, $folder){
	457	if (!$conn->do_cache) return false;
	458
	459	$key = $folder.".imap";
	460	if (!is_array($conn->cache[$folder])){
	461	$conn->cache[$folder] = cache_read($conn->user, $conn->host, $key);
	462	$conn->cache_dirty[$folder] = false;
	463	}
	464	}
	465
	466	function iil_C_ExpireCachedItems(&$conn, $folder, $message_set){
	467
	468	if (!$conn->do_cache) return; //caching disabled
	469	if (!is_array($conn->cache[$folder])) return; //cache not initialized\|empty
	470	if (count($conn->cache[$folder])==0) return; //cache not initialized\|empty
	471
	472	$uids = iil_C_FetchHeaderIndex($conn, $folder, $message_set, "UID");
	473	$num_removed = 0;
	474	if (is_array($uids)){
	475	//echo "<!-- unsetting: ".implode(",",$uids)." //-->\n";
	476	while(list($n,$uid)=each($uids)){
	477	unset($conn->cache[$folder][$uid]);
	478	//$conn->cache[$folder][$uid] = false;
	479	//$num_removed++;
	480	}
	481	$conn->cache_dirty[$folder] = true;
	482
	483	//echo '<!--'."\n";
	484	//print_r($conn->cache);
	485	//echo "\n".'//-->'."\n";
	486	}else{
	487	echo "<!-- failed to get uids: $message_set //-->\n";
	488	}
	489
	490	/*
	491	if ($num_removed>0){
	492	$new_cache;
	493	reset($conn->cache[$folder]);
	494	while(list($uid,$item)=each($conn->cache[$folder])){
	495	if ($item) $new_cache[$uid] = $conn->cache[$folder][$uid];
	496	}
	497	$conn->cache[$folder] = $new_cache;
	498	}
	499	*/
	500	}
	501
	502	function iil_ExplodeQuotedString($delimiter, $string){
	503	$quotes=explode("\"", $string);
	504	while ( list($key, $val) = each($quotes))
	505	if (($key % 2) == 1)
	506	$quotes[$key] = str_replace($delimiter, "_!@!_", $quotes[$key]);
	507	$string=implode("\"", $quotes);
	508
	509	$result=explode($delimiter, $string);
	510	while ( list($key, $val) = each($result) )
	511	$result[$key] = str_replace("_!@!_", $delimiter, $result[$key]);
	512
	513	return $result;
	514	}
	515
	516	function iil_CheckForRecent($host, $user, $password, $mailbox){
	517	if (empty($mailbox)) $mailbox="INBOX";
	518
	519	$conn=iil_Connect($host, $user, $password, "plain");
	520	$fp = $conn->fp;
	521	if ($fp){
	522	fputs($fp, "a002 EXAMINE \"$mailbox\"\r\n");
	523	do{
	524	$line=chop(iil_ReadLine($fp, 300));
	525	$a=explode(" ", $line);
	526	if (($a[0]=="*") && (strcasecmp($a[2], "RECENT")==0)) $result=(int)$a[1];
	527	}while (!iil_StartsWith($a[0],"a002"));
	528
	529	fputs($fp, "a003 LOGOUT\r\n");
	530	fclose($fp);
	531	}else $result=-2;
	532
	533	return $result;
	534	}
	535
	536	function iil_C_Select(&$conn, $mailbox){
	537	$fp = $conn->fp;
	538
	539	if (empty($mailbox)) return false;
	540	if (strcmp($conn->selected, $mailbox)==0) return true;
	541
	542	iil_C_LoadCache($conn, $mailbox);
	543
	544	if (fputs($fp, "sel1 SELECT \"$mailbox\"\r\n")){
	545	do{
	546	$line=chop(iil_ReadLine($fp, 300));
	547	$a=explode(" ", $line);
	548	if (count($a) == 3){
	549	if (strcasecmp($a[2], "EXISTS")==0) $conn->exists=(int)$a[1];
	550	if (strcasecmp($a[2], "RECENT")==0) $conn->recent=(int)$a[1];
	551	}
	552	}while (!iil_StartsWith($line, "sel1"));
	553
	554	$a=explode(" ", $line);
	555
	556	if (strcasecmp($a[1],"OK")==0){
	557	$conn->selected = $mailbox;
	558	return true;
	559	}else return false;
	560	}else{
	561	return false;
	562	}
	563	}
	564
	565	function iil_C_CheckForRecent(&$conn, $mailbox){
	566	if (empty($mailbox)) $mailbox="INBOX";
	567
	568	iil_C_Select($conn, $mailbox);
	569	if ($conn->selected==$mailbox) return $conn->recent;
	570	else return false;
	571	}
	572
	573	function iil_C_CountMessages(&$conn, $mailbox, $refresh=false){
	574	if ($refresh) $conn->selected="";
	575	iil_C_Select($conn, $mailbox);
	576	if ($conn->selected==$mailbox) return $conn->exists;
	577	else return false;
	578	}
	579
	580	function iil_SplitHeaderLine($string){
	581	$pos=strpos($string, ":");
	582	if ($pos>0){
	583	$res[0]=substr($string, 0, $pos);
	584	$res[1]=trim(substr($string, $pos+1));
	585	return $res;
	586	}else{
	587	return $string;
	588	}
	589	}
	590
	591	function iil_StrToTime($str){
	592	global $IMAP_MONTHS,$IMAP_SERVER_TZ;
	593
	594	if ($str) $time1 = strtotime($str);
	595	if ($time1 && $time1!=-1) return $time1-$IMAP_SERVER_TZ;
	596
	597	//echo '<!--'.$str.'//-->';
	598
	599	//replace double spaces with single space
	600	$str = trim($str);
	601	$str = str_replace(" ", " ", $str);
	602
	603	//strip off day of week
	604	$pos=strpos($str, " ");
	605	if (!is_numeric(substr($str, 0, $pos))) $str = substr($str, $pos+1);
	606
	607	//explode, take good parts
	608	$a=explode(" ",$str);
	609	//$month_a=array("Jan"=>1,"Feb"=>2,"Mar"=>3,"Apr"=>4,"May"=>5,"Jun"=>6,"Jul"=>7,"Aug"=>8,"Sep"=>9,"Oct"=>10,"Nov"=>11,"Dec"=>12);
	610	$month_str=$a[1];
	611	$month=$IMAP_MONTHS[$month_str];
	612	$day=$a[0];
	613	$year=$a[2];
	614	$time=$a[3];
	615	$tz_str = $a[4];
	616	$tz = substr($tz_str, 0, 3);
	617	$ta=explode(":",$time);
	618	$hour=(int)$ta[0]-(int)$tz;
	619	$minute=$ta[1];
	620	$second=$ta[2];
	621
	622	//make UNIX timestamp
	623	$time2 = mktime($hour, $minute, $second, $month, $day, $year);
	624	//echo '<!--'.$time1.' '.$time2.' //-->'."\n";
	625	return $time2;
	626	}
	627
15a9d1	628	function iil_C_Sort(&$conn, $mailbox, $field, $add=''){
4e17e6	629	/* Do "SELECT" command */
T	630	if (!iil_C_Select($conn, $mailbox)) return false;
	631
	632	$field = strtoupper($field);
	633	if ($field=='INTERNALDATE') $field='ARRIVAL';
	634	$fields = array('ARRIVAL'=>1,'CC'=>1,'DATE'=>1,'FROM'=>1,'SIZE'=>1,'SUBJECT'=>1,'TO'=>1);
	635
	636	if (!$fields[$field]) return false;
	637
	638	$fp = $conn->fp;
15a9d1	639	$command = 's SORT ('.$field.') US-ASCII ALL '."$add\r\n";
4e17e6	640	$line = $data = '';
T	641
	642	if (!fputs($fp, $command)) return false;
	643	do{
	644	$line = chop(iil_ReadLine($fp, 1024));
	645	if (iil_StartsWith($line, '* SORT')) $data.=($data?' ':'').substr($line,7);
	646	}while($line[0]!='s');
	647
	648	if (empty($data)){
	649	$conn->error = $line;
	650	return false;
	651	}
	652
	653	$out = explode(' ',$data);
	654	return $out;
	655	}
	656
	657	function iil_C_FetchHeaderIndex(&$conn, $mailbox, $message_set, $index_field,$normalize=true){
	658	global $IMAP_USE_INTERNAL_DATE;
	659
	660	$c=0;
	661	$result=array();
	662	$fp = $conn->fp;
	663
	664	if (empty($index_field)) $index_field="DATE";
	665	$index_field = strtoupper($index_field);
	666
	667	if (empty($message_set)) return array();
	668
	669	//$fields_a["DATE"] = ($IMAP_USE_INTERNAL_DATE?6:1);
	670	$fields_a['DATE'] = 1;
	671	$fields_a['INTERNALDATE'] = 6;
	672	$fields_a['FROM'] = 1;
	673	$fields_a['REPLY-TO'] = 1;
	674	$fields_a['SENDER'] = 1;
	675	$fields_a['TO'] = 1;
	676	$fields_a['SUBJECT'] = 1;
	677	$fields_a['UID'] = 2;
	678	$fields_a['SIZE'] = 2;
	679	$fields_a['SEEN'] = 3;
	680	$fields_a['RECENT'] = 4;
	681	$fields_a['DELETED'] = 5;
	682
	683	$mode=$fields_a[$index_field];
	684	if (!($mode > 0)) return false;
	685
	686	/* Do "SELECT" command */
	687	if (!iil_C_Select($conn, $mailbox)) return false;
	688
	689	/* FETCH date,from,subject headers */
	690	if ($mode==1){
	691	$key="fhi".($c++);
	692	$request=$key." FETCH $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)])\r\n";
	693	if (!fputs($fp, $request)) return false;
	694	do{
	695
	696	$line=chop(iil_ReadLine($fp, 200));
	697	$a=explode(" ", $line);
	698	if (($line[0]=="*") && ($a[2]=="FETCH") && ($line[strlen($line)-1]!=")")){
	699	$id=$a[1];
	700
	701	$str=$line=chop(iil_ReadLine($fp, 300));
	702
	703	while($line[0]!=")"){ //caution, this line works only in this particular case
	704	$line=chop(iil_ReadLine($fp, 300));
	705	if ($line[0]!=")"){
	706	if (ord($line[0]) <= 32){ //continuation from previous header line
	707	$str.=" ".trim($line);
	708	}
	709	if ((ord($line[0]) > 32) \|\| (strlen($line[0]) == 0)){
	710	list($field, $string) = iil_SplitHeaderLine($str);
	711	if (strcasecmp($field, "date")==0){
	712	$result[$id]=iil_StrToTime($string);
	713	}else{
	714	$result[$id] = str_replace("\"", "", $string);
	715	if ($normalize) $result[$id]=strtoupper($result[$id]);
	716	}
	717	$str=$line;
	718	}
	719	}
	720	}
	721	}
	722	/*
	723	$end_pos = strlen($line)-1;
	724	if (($line[0]=="*") && ($a[2]=="FETCH") && ($line[$end_pos]=="}")){
	725	$id = $a[1];
	726	$pos = strrpos($line, "{")+1;
	727	$bytes = (int)substr($line, $pos, $end_pos-$pos);
	728	$received = 0;
	729	do{
	730	$line = iil_ReadLine($fp, 0);
	731	$received+=strlen($line);
	732	$line = chop($line);
	733
	734	if ($received>$bytes) break;
	735	else if (!$line) continue;
	736
	737	list($field,$string)=explode(": ", $line);
	738
	739	if (strcasecmp($field, "date")==0)
	740	$result[$id] = iil_StrToTime($string);
	741	else if ($index_field!="DATE")
	742	$result[$id]=strtoupper(str_replace("\"", "", $string));
	743	}while($line[0]!=")");
	744	}else{
	745	//one line response, not expected so ignore
	746	}
	747	*/
	748	}while(!iil_StartsWith($line, $key));
	749	}else if ($mode==6){
	750	$key="fhi".($c++);
	751	$request = $key." FETCH $message_set (INTERNALDATE)\r\n";
	752	if (!fputs($fp, $request)) return false;
	753	do{
	754	$line=chop(iil_ReadLine($fp, 200));
	755	if ($line[0]=="*"){
	756	//original: "* 10 FETCH (INTERNALDATE "31-Jul-2002 09:18:02 -0500")"
	757	$paren_pos = strpos($line, "(");
	758	$foo = substr($line, 0, $paren_pos);
	759	$a = explode(" ", $foo);
	760	$id = $a[1];
	761
	762	$open_pos = strpos($line, "\"") + 1;
	763	$close_pos = strrpos($line, "\"");
	764	if ($open_pos && $close_pos){
	765	$len = $close_pos - $open_pos;
	766	$time_str = substr($line, $open_pos, $len);
	767	$result[$id] = strtotime($time_str);
	768	}
	769	}else{
	770	$a = explode(" ", $line);
	771	}
	772	}while(!iil_StartsWith($a[0], $key));
	773	}else{
	774	if ($mode >= 3) $field_name="FLAGS";
	775	else if ($index_field=="SIZE") $field_name="RFC822.SIZE";
	776	else $field_name=$index_field;
	777
	778	/* FETCH uid, size, flags */
	779	$key="fhi".($c++);
	780	$request=$key." FETCH $message_set ($field_name)\r\n";
	781
	782	if (!fputs($fp, $request)) return false;
	783	do{
	784	$line=chop(iil_ReadLine($fp, 200));
	785	$a = explode(" ", $line);
	786	if (($line[0]=="*") && ($a[2]=="FETCH")){
	787	$line=str_replace("(", "", $line);
	788	$line=str_replace(")", "", $line);
	789	$a=explode(" ", $line);
	790
	791	$id=$a[1];
	792
	793	if (isset($result[$id])) continue; //if we already got the data, skip forward
	794	if ($a[3]!=$field_name) continue; //make sure it's returning what we requested
	795
	796	/* Caution, bad assumptions, next several lines */
	797	if ($mode==2) $result[$id]=$a[4];
	798	else{
	799	$haystack=strtoupper($line);
	800	$result[$id]=(strpos($haystack, $index_field) > 0 ? "F" : "N");
	801	}
	802	}
	803	}while(!iil_StartsWith($line, $key));
	804	}
	805
	806	//check number of elements...
	807	list($start_mid,$end_mid)=explode(':',$message_set);
	808	if (is_numeric($start_mid) && is_numeric($end_mid)){
	809	//count how many we should have
	810	$should_have = $end_mid - $start_mid +1;
	811
	812	//if we have less, try and fill in the "gaps"
	813	if (count($result)<$should_have){
	814	for($i=$start_mid;$i<=$end_mid;$i++) if (!isset($result[$i])) $result[$i] = '';
	815	}
	816	}
	817
	818	return $result;
	819
	820	}
	821
	822	function iil_CompressMessageSet($message_set){
	823	//given a comma delimited list of independent mid's,
	824	//compresses by grouping sequences together
	825
	826	//if less than 255 bytes long, let's not bother
	827	if (strlen($message_set)<255) return $message_set;
	828
	829	//see if it's already been compress
	830	if (strpos($message_set,':')!==false) return $message_set;
	831
	832	//separate, then sort
	833	$ids = explode(',',$message_set);
	834	sort($ids);
	835
	836	$result = array();
	837	$start = $prev = $ids[0];
	838	foreach($ids as $id){
	839	$incr = $id - $prev;
	840	if ($incr>1){ //found a gap
	841	if ($start==$prev) $result[] = $prev; //push single id
	842	else $result[] = $start.':'.$prev; //push sequence as start_id:end_id
	843	$start = $id; //start of new sequence
	844	}
	845	$prev = $id;
	846	}
	847	//handle the last sequence/id
	848	if ($start==$prev) $result[] = $prev;
	849	else $result[] = $start.':'.$prev;
	850
	851	//return as comma separated string
	852	return implode(',',$result);
	853	}
	854
	855	function iil_C_UIDsToMIDs(&$conn, $mailbox, $uids){
	856	if (!is_array($uids) \|\| count($uids)==0) return array();
	857	return iil_C_Search($conn, $mailbox, "UID ".implode(",", $uids));
	858	}
	859
	860	function iil_C_UIDToMID(&$conn, $mailbox, $uid){
	861	$result = iil_C_UIDsToMIDs($conn, $mailbox, array($uid));
	862	if (count($result)==1) return $result[0];
	863	else return false;
	864	}
	865
	866	function iil_C_FetchUIDs(&$conn,$mailbox){
	867	global $clock;
	868
30233b	869	$num = iil_C_CountMessages($conn, $mailbox);
4e17e6	870	if ($num==0) return array();
T	871	$message_set = '1'.($num>1?':'.$num:'');
	872
	873	//if cache not enabled, just call iil_C_FetchHeaderIndex on 'UID' field
	874	if (!$conn->do_cache)
	875	return iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID');
	876
	877	//otherwise, let's check cache first
	878	$key = $mailbox.'.uids';
	879	$cache_good = true;
	880	if ($conn->uid_cache) $data = $conn->uid_cache;
	881	else $data = cache_read($conn->user, $conn->host, $key);
	882
	883	//was anything cached at all?
	884	if ($data===false) $cache_good = -1;
	885
	886	//make sure number of messages were the same
	887	if ($cache_good>0 && $data['n']!=$num) $cache_good = -2;
	888
	889	//if everything's okay so far...
	890	if ($cache_good>0){
	891	//check UIDs of highest mid with current and cached
	892	$temp = iil_C_Search($conn, $mailbox, 'UID '.$data['d'][$num]);
	893	if (!$temp \|\| !is_array($temp) \|\| $temp[0]!=$num) $cache_good=-3;
	894	}
	895
	896	//if cached data's good, return it
	897	if ($cache_good>0){
	898	return $data['d'];
	899	}
	900
	901	//otherwise, we need to fetch it
	902	$data = array('n'=>$num,'d'=>array());
	903	$data['d'] = iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID');
	904	cache_write($conn->user, $conn->host, $key, $data);
	905	$conn->uid_cache = $data;
	906	return $data['d'];
	907	}
	908
	909	function iil_SortThreadHeaders($headers, $index_a, $uids){
	910	asort($index_a);
	911	$result = array();
	912	foreach($index_a as $mid=>$foobar){
	913	$uid = $uids[$mid];
	914	$result[$uid] = $headers[$uid];
	915	}
	916	return $result;
	917	}
	918
	919	function iil_C_FetchThreadHeaders(&$conn, $mailbox, $message_set){
	920	global $clock;
	921	global $index_a;
	922
	923	if (empty($message_set)) return false;
	924
	925	$result = array();
	926	$uids = iil_C_FetchUIDs($conn, $mailbox);
	927	$debug = false;
	928
	929	/* Get cached records where possible */
	930	if ($conn->do_cache){
	931	$cached = cache_read($conn->user, $conn->host, $mailbox.'.thhd');
	932	if ($cached && is_array($uids) && count($uids)>0){
	933	$needed_set = "";
	934	foreach($uids as $id=>$uid){
	935	if ($cached[$uid]){
	936	$result[$uid] = $cached[$uid];
	937	$result[$uid]->id = $id;
	938	}else $needed_set.=($needed_set?",":"").$id;
	939	}
	940	if ($needed_set) $message_set = $needed_set;
	941	else $message_set = '';
	942	}
	943	}
	944	$message_set = iil_CompressMessageSet($message_set);
	945	if ($debug) echo "Still need: ".$message_set;
	946
	947	/* if we're missing any, get them */
	948	if ($message_set){
	949	/* FETCH date,from,subject headers */
	950	$key="fh";
	951	$fp = $conn->fp;
	952	$request=$key." FETCH $message_set (BODY.PEEK[HEADER.FIELDS (SUBJECT MESSAGE-ID IN-REPLY-TO)])\r\n";
	953	$mid_to_id = array();
	954	if (!fputs($fp, $request)) return false;
	955	do{
	956	$line = chop(iil_ReadLine($fp, 1024));
	957	if ($debug) echo $line."\n";
	958	if (ereg('\{[0-9]+\}$', $line)){
	959	$a = explode(" ", $line);
	960	$new = array();
	961
	962	$new_thhd = new iilThreadHeader;
	963	$new_thhd->id = $a[1];
	964	do{
	965	$line=chop(iil_ReadLine($fp, 1024),"\r\n");
	966	if (iil_StartsWithI($line,'Message-ID:') \|\| (iil_StartsWithI($line,'In-Reply-To:')) \|\| (iil_StartsWithI($line,'SUBJECT:'))){
	967	$pos = strpos($line, ":");
	968	$field_name = substr($line, 0, $pos);
	969	$field_val = substr($line, $pos+1);
	970	$new[strtoupper($field_name)] = trim($field_val);
	971	}else if (ereg('^[[:space:]]', $line)){
	972	$new[strtoupper($field_name)].= trim($line);
	973	}
	974	}while($line[0]!=')');
	975	$new_thhd->sbj = $new['SUBJECT'];
	976	$new_thhd->mid = substr($new['MESSAGE-ID'], 1, -1);
	977	$new_thhd->irt = substr($new['IN-REPLY-TO'], 1, -1);
	978
	979	$result[$uids[$new_thhd->id]] = $new_thhd;
	980	}
	981	}while(!iil_StartsWith($line, "fh"));
	982	}
	983
	984	/* sort headers */
	985	if (is_array($index_a)){
	986	$result = iil_SortThreadHeaders($result, $index_a, $uids);
	987	}
	988
	989	/* write new set to cache */
	990	if ($conn->do_cache){
	991	if (count($result)!=count($cached))
	992	cache_write($conn->user, $conn->host, $mailbox.'.thhd', $result);
	993	}
	994
	995	//echo 'iil_FetchThreadHeaders:'."\n";
	996	//print_r($result);
	997
	998	return $result;
	999	}
	1000
	1001	function iil_C_BuildThreads2(&$conn, $mailbox, $message_set, &$clock){
	1002	global $index_a;
	1003
	1004	if (empty($message_set)) return false;
	1005
	1006	$result=array();
	1007	$roots=array();
	1008	$root_mids = array();
	1009	$sub_mids = array();
	1010	$strays = array();
	1011	$messages = array();
	1012	$fp = $conn->fp;
	1013	$debug = false;
	1014
	1015	$sbj_filter_pat = '[a-zA-Z]{2,3}(\[[0-9]\])?:([[:space:]])';
	1016
	1017	/* Do "SELECT" command */
	1018	if (!iil_C_Select($conn, $mailbox)) return false;
	1019
	1020	/* FETCH date,from,subject headers */
	1021	$mid_to_id = array();
	1022	$messages = array();
	1023	$headers = iil_C_FetchThreadHeaders($conn, $mailbox, $message_set);
	1024	if ($clock) $clock->register('fetched headers');
	1025
	1026	if ($debug) print_r($headers);
	1027
	1028	/* go through header records */
	1029	foreach($headers as $header){
	1030	//$id = $header['i'];
	1031	//$new = array('id'=>$id, 'MESSAGE-ID'=>$header['m'],
	1032	// 'IN-REPLY-TO'=>$header['r'], 'SUBJECT'=>$header['s']);
	1033	$id = $header->id;
	1034	$new = array('id'=>$id, 'MESSAGE-ID'=>$header->mid,
	1035	'IN-REPLY-TO'=>$header->irt, 'SUBJECT'=>$header->sbj);
	1036
	1037	/* add to message-id -> mid lookup table */
	1038	$mid_to_id[$new['MESSAGE-ID']] = $id;
	1039
	1040	/* if no subject, use message-id */
	1041	if (empty($new['SUBJECT'])) $new['SUBJECT'] = $new['MESSAGE-ID'];
	1042
	1043	/* if subject contains 'RE:' or has in-reply-to header, it's a reply */
	1044	$sbj_pre ='';
	1045	$has_re = false;
	1046	if (eregi($sbj_filter_pat, $new['SUBJECT'])) $has_re = true;
	1047	if ($has_re\|\|$new['IN-REPLY-TO']) $sbj_pre = 'RE:';
	1048
	1049	/* strip out 're:', 'fw:' etc */
	1050	if ($has_re) $sbj = ereg_replace($sbj_filter_pat,'', $new['SUBJECT']);
	1051	else $sbj = $new['SUBJECT'];
	1052	$new['SUBJECT'] = $sbj_pre.$sbj;
	1053
	1054
	1055	/* if subject not a known thread-root, add to list */
	1056	if ($debug) echo $id.' '.$new['SUBJECT']."\t".$new['MESSAGE-ID']."\n";
	1057	$root_id = $roots[$sbj];
	1058
	1059	if ($root_id && ($has_re \|\| !$root_in_root[$root_id])){
	1060	if ($debug) echo "\tfound root: $root_id\n";
	1061	$sub_mids[$new['MESSAGE-ID']] = $root_id;
	1062	$result[$root_id][] = $id;
	1063	}else if (!isset($roots[$sbj])\|\|(!$has_re&&$root_in_root[$root_id])){
	1064	/* try to use In-Reply-To header to find root
	1065	unless subject contains 'Re:' */
	1066	if ($has_re&&$new['IN-REPLY-TO']){
	1067	if ($debug) echo "\tlooking: ".$new['IN-REPLY-TO']."\n";
	1068
	1069	//reply to known message?
	1070	$temp = $sub_mids[$new['IN-REPLY-TO']];
	1071
	1072	if ($temp){
	1073	//found it, root:=parent's root
	1074	if ($debug) echo "\tfound parent: ".$new['SUBJECT']."\n";
	1075	$result[$temp][] = $id;
	1076	$sub_mids[$new['MESSAGE-ID']] = $temp;
	1077	$sbj = '';
	1078	}else{
	1079	//if we can't find referenced parent, it's a "stray"
	1080	$strays[$id] = $new['IN-REPLY-TO'];
	1081	}
	1082	}
	1083
	1084	//add subject as root
	1085	if ($sbj){
	1086	if ($debug) echo "\t added to root\n";
	1087	$roots[$sbj] = $id;
	1088	$root_in_root[$id] = !$has_re;
	1089	$sub_mids[$new['MESSAGE-ID']] = $id;
	1090	$result[$id] = array($id);
	1091	}
	1092	if ($debug) echo $new['MESSAGE-ID']."\t".$sbj."\n";
	1093	}
	1094
	1095	}
	1096
	1097	//now that we've gone through all the messages,
	1098	//go back and try and link up the stray threads
	1099	if (count($strays)>0){
	1100	foreach($strays as $id=>$irt){
	1101	$root_id = $sub_mids[$irt];
	1102	if (!$root_id \|\| $root_id==$id) continue;
	1103	$result[$root_id] = array_merge($result[$root_id],$result[$id]);
	1104	unset($result[$id]);
	1105	}
	1106	}
	1107
	1108	if ($clock) $clock->register('data prepped');
	1109
	1110	if ($debug) print_r($roots);
	1111	//print_r($result);
	1112	return $result;
	1113	}
	1114
	1115
	1116	function iil_SortThreads(&$tree, $index, $sort_order='ASC'){
	1117	if (!is_array($tree) \|\| !is_array($index)) return false;
	1118
	1119	//create an id to position lookup table
	1120	$i = 0;
	1121	foreach($index as $id=>$val){
	1122	$i++;
	1123	$index[$id] = $i;
	1124	}
	1125	$max = $i+1;
	1126
	1127	//for each tree, set array key to position
	1128	$itree = array();
	1129	foreach($tree as $id=>$node){
	1130	if (count($tree[$id])<=1){
	1131	//for "threads" with only one message, key is position of that message
	1132	$n = $index[$id];
	1133	$itree[$n] = array($n=>$id);
	1134	}else{
	1135	//for "threads" with multiple messages,
	1136	$min = $max;
	1137	$new_a = array();
	1138	foreach($tree[$id] as $mid){
	1139	$new_a[$index[$mid]] = $mid; //create new sub-array mapping position to id
	1140	$pos = $index[$mid];
	1141	if ($pos&&$pos<$min) $min = $index[$mid]; //find smallest position
	1142	}
	1143	$n = $min; //smallest position of child is thread position
	1144
	1145	//assign smallest position to root level key
	1146	//set children array to one created above
	1147	ksort($new_a);
	1148	$itree[$n] = $new_a;
	1149	}
	1150	}
	1151
	1152
	1153	//sort by key, this basically sorts all threads
	1154	ksort($itree);
	1155	$i=0;
	1156	$out=array();
	1157	foreach($itree as $k=>$node){
	1158	$out[$i] = $itree[$k];
	1159	$i++;
	1160	}
	1161
	1162	//return
	1163	return $out;
	1164	}
	1165
	1166	function iil_IndexThreads(&$tree){
	1167	/* creates array mapping mid to thread id */
	1168
	1169	if (!is_array($tree)) return false;
	1170
	1171	$t_index = array();
	1172	foreach($tree as $pos=>$kids){
	1173	foreach($kids as $kid) $t_index[$kid] = $pos;
	1174	}
	1175
	1176	return $t_index;
	1177	}
	1178
	1179	function iil_C_FetchHeaders(&$conn, $mailbox, $message_set){
	1180	global $IMAP_USE_INTERNAL_DATE;
	1181
	1182	$c=0;
	1183	$result=array();
	1184	$fp = $conn->fp;
	1185
	1186	if (empty($message_set)) return array();
	1187
	1188	/* Do "SELECT" command */
	1189	if (!iil_C_Select($conn, $mailbox)){
	1190	$conn->error = "Couldn't select $mailbox";
	1191	return false;
	1192	}
	1193
	1194	/* Get cached records where possible */
	1195	if ($conn->do_cache){
	1196	$uids = iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, "UID");
	1197	if (is_array($uids) && count($conn->cache[$mailbox]>0)){
	1198	$needed_set = "";
	1199	while(list($id,$uid)=each($uids)){
	1200	if ($conn->cache[$mailbox][$uid]){
	1201	$result[$id] = $conn->cache[$mailbox][$uid];
	1202	$result[$id]->id = $id;
	1203	}else $needed_set.=($needed_set?",":"").$id;
	1204	}
	1205	//echo "<!-- iil_C_FetchHeader\nMessage Set: $message_set\nNeeded Set:$needed_set\n//-->\n";
	1206	if ($needed_set) $message_set = iil_CompressMessageSet($needed_set);
	1207	else return $result;
	1208	}
	1209	}
	1210
	1211	/* FETCH date,from,subject headers */
	1212	$key="fh".($c++);
f88d41	1213	$request=$key." FETCH $message_set (BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT REPLY-TO IN-REPLY-TO CC BCC CONTENT-TRANSFER-ENCODING CONTENT-TYPE MESSAGE-ID REFERENCE)])\r\n";
4e17e6	1214
T	1215	if (!fputs($fp, $request)) return false;
	1216	do{
	1217	$line=chop(iil_ReadLine($fp, 200));
	1218	$a=explode(" ", $line);
	1219	if (($line[0]=="*") && ($a[2]=="FETCH")){
	1220	$id=$a[1];
	1221	$result[$id]=new iilBasicHeader;
	1222	$result[$id]->id = $id;
	1223	$result[$id]->subject = "";
	1224	/*
	1225	Start parsing headers. The problem is, some header "lines" take up multiple lines.
	1226	So, we'll read ahead, and if the one we're reading now is a valid header, we'll
	1227	process the previous line. Otherwise, we'll keep adding the strings until we come
	1228	to the next valid header line.
	1229	*/
	1230	$i = 0;
	1231	$lines = array();
	1232	do{
	1233	$line = chop(iil_ReadLine($fp, 300),"\r\n");
	1234	if (ord($line[0])<=32) $lines[$i].=(empty($lines[$i])?"":"\n").trim(chop($line));
	1235	else{
	1236	$i++;
	1237	$lines[$i] = trim(chop($line));
	1238	}
b076a4	1239	}while($line[0]!=")" && strncmp($line, $key, strlen($key))); // patch from "Maksim Rubis" <siburny@hotmail.com>
4e17e6	1240
b076a4	1241	if(strncmp($line, $key, strlen($key)))
T	1242	{
4e17e6	1243	//process header, fill iilBasicHeader obj.
T	1244	// initialize
	1245	if (is_array($headers)){
	1246	reset($headers);
	1247	while ( list($k, $bar) = each($headers) ) $headers[$k] = "";
	1248	}
	1249
	1250	// create array with header field:data
	1251	$headers = array();
	1252	while ( list($lines_key, $str) = each($lines) ){
	1253	list($field, $string) = iil_SplitHeaderLine($str);
	1254	$field = strtolower($field);
	1255	$headers[$field] = $string;
	1256	}
	1257	$result[$id]->date = $headers["date"];
	1258	$result[$id]->timestamp = iil_StrToTime($headers["date"]);
	1259	$result[$id]->from = $headers["from"];
	1260	$result[$id]->to = str_replace("\n", " ", $headers["to"]);
	1261	$result[$id]->subject = str_replace("\n", "", $headers["subject"]);
	1262	$result[$id]->replyto = str_replace("\n", " ", $headers["reply-to"]);
	1263	$result[$id]->cc = str_replace("\n", " ", $headers["cc"]);
bde645	1264	$result[$id]->bcc = str_replace("\n", " ", $headers["bcc"]);
4e17e6	1265	$result[$id]->encoding = str_replace("\n", " ", $headers["content-transfer-encoding"]);
T	1266	$result[$id]->ctype = str_replace("\n", " ", $headers["content-type"]);
a95e0e	1267	$result[$id]->in_reply_to = ereg_replace("[\n<>]",'', $headers['in-reply-to']);
f88d41	1268	$result[$id]->reference = $headers["reference"];
a95e0e	1269
T	1270	list($result[$id]->ctype, $ctype_add) = explode(";", $headers["content-type"]);
	1271
	1272	if (preg_match('/charset="?([a-z0-9\-]+)"?/i', $ctype_add, $regs))
	1273	$result[$id]->charset = $regs[1];
	1274
4e17e6	1275	$messageID = $headers["message-id"];
f88d41	1276	if (!$messageID) "mid:".$id;
4e17e6	1277	$result[$id]->messageID = $messageID;
b076a4	1278	}
T	1279	else {
	1280	$a=explode(" ", $line);
	1281	}
4e17e6	1282
T	1283	}
	1284	}while(strcmp($a[0], $key)!=0);
	1285
	1286	/*
	1287	FETCH uid, size, flags
	1288	Sample reply line: "* 3 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen \Deleted))"
	1289	*/
	1290	$command_key="fh".($c++);
	1291	$request= $command_key." FETCH $message_set (UID RFC822.SIZE FLAGS INTERNALDATE)\r\n";
	1292	if (!fputs($fp, $request)) return false;
	1293	do{
	1294	$line=chop(iil_ReadLine($fp, 200));
	1295	//$a = explode(" ", $line);
	1296	//if (($line[0]=="*") && ($a[2]=="FETCH")){
	1297	if ($line[0]=="*"){
	1298	//echo "<!-- $line //-->\n";
	1299	//get outter most parens
	1300	$open_pos = strpos($line, "(") + 1;
	1301	$close_pos = strrpos($line, ")");
	1302	if ($open_pos && $close_pos){
	1303	//extract ID from pre-paren
	1304	$pre_str = substr($line, 0, $open_pos);
	1305	$pre_a = explode(" ", $line);
	1306	$id = $pre_a[1];
	1307
	1308	//get data
	1309	$len = $close_pos - $open_pos;
	1310	$str = substr($line, $open_pos, $len);
	1311
	1312	//swap parents with quotes, then explode
	1313	$str = eregi_replace("[()]", "\"", $str);
	1314	$a = iil_ExplodeQuotedString(" ", $str);
	1315
	1316	//did we get the right number of replies?
	1317	$parts_count = count($a);
	1318	if ($parts_count>=8){
	1319	for ($i=0;$i<$parts_count;$i=$i+2){
	1320	if (strcasecmp($a[$i],"UID")==0) $result[$id]->uid=$a[$i+1];
	1321	else if (strcasecmp($a[$i],"RFC822.SIZE")==0) $result[$id]->size=$a[$i+1];
	1322	else if (strcasecmp($a[$i],"INTERNALDATE")==0) $time_str = $a[$i+1];
	1323	else if (strcasecmp($a[$i],"FLAGS")==0) $flags_str = $a[$i+1];
	1324	}
	1325
	1326	// process flags
	1327	$flags_str = eregi_replace('[\\\"]', "", $flags_str);
	1328	$flags_a = explode(" ", $flags_str);
	1329	//echo "<!-- ID: $id FLAGS: ".implode(",", $flags_a)." //-->\n";
	1330
	1331	$result[$id]->seen = false;
	1332	$result[$id]->recent = false;
	1333	$result[$id]->deleted = false;
	1334	$result[$id]->answered = false;
	1335	if (is_array($flags_a)){
	1336	reset($flags_a);
	1337	while (list($key,$val)=each($flags_a)){
	1338	if (strcasecmp($val,"Seen")==0) $result[$id]->seen = true;
	1339	else if (strcasecmp($val, "Deleted")==0) $result[$id]->deleted=true;
	1340	else if (strcasecmp($val, "Recent")==0) $result[$id]->recent = true;
	1341	else if (strcasecmp($val, "Answered")==0) $result[$id]->answered = true;
	1342	}
	1343	$result[$id]->flags=$flags_str;
	1344	}
	1345
	1346	// if time is gmt...
	1347	$time_str = str_replace('GMT','+0000',$time_str);
	1348
	1349	//get timezone
	1350	$time_str = substr($time_str, 0, -1);
	1351	$time_zone_str = substr($time_str, -5); //extract timezone
	1352	$time_str = substr($time_str, 1, -6); //remove quotes
	1353	$time_zone = (float)substr($time_zone_str, 1, 2); //get first two digits
	1354	if ($time_zone_str[3]!='0') $time_zone += 0.5; //handle half hour offset
	1355	if ($time_zone_str[0]=="-") $time_zone = $time_zone * -1.0; //minus?
	1356	$result[$id]->internaldate = $time_str;
	1357
	1358	if ($IMAP_USE_INTERNAL_DATE){
	1359	//calculate timestamp
	1360	$timestamp = strtotime($time_str); //return's server's time
	1361	$na_timestamp = $timestamp;
	1362	$timestamp -= $time_zone * 3600; //compensate for tz, get GMT
	1363	$result[$id]->timestamp = $timestamp;
	1364	}
	1365
	1366	if ($conn->do_cache){
	1367	$uid = $result[$id]->uid;
	1368	$conn->cache[$mailbox][$uid] = $result[$id];
	1369	$conn->cache_dirty[$mailbox] = true;
	1370	}
	1371	//echo "<!-- ID: $id : $time_str -- local: $na_timestamp (".date("F j, Y, g:i a", $na_timestamp).") tz: $time_zone -- GMT: ".$timestamp." (".date("F j, Y, g:i a", $timestamp).") //-->\n";
	1372	}else{
	1373	//echo "<!-- ERROR: $id : $str //-->\n";
	1374	}
	1375	}
	1376	}
	1377	}while(strpos($line, $command_key)===false);
	1378
	1379	return $result;
	1380	}
	1381
	1382
	1383	function iil_C_FetchHeader(&$conn, $mailbox, $id){
	1384	$fp = $conn->fp;
	1385	$a=iil_C_FetchHeaders($conn, $mailbox, $id);
	1386	if (is_array($a)) return $a[$id];
	1387	else return false;
	1388	}
	1389
	1390
	1391	function iil_SortHeaders($a, $field, $flag){
	1392	if (empty($field)) $field="uid";
	1393	$field=strtolower($field);
	1394	if ($field=="date"\|\|$field=='internaldate') $field="timestamp";
	1395	if (empty($flag)) $flag="ASC";
	1396	$flag=strtoupper($flag);
b076a4	1397	$stripArr = ($field=='subject') ? array('Re: ','Fwd: ','Fw: ',"\"") : array("\"");
4e17e6	1398
T	1399	$c=count($a);
	1400	if ($c>0){
	1401	/*
	1402	Strategy:
	1403	First, we'll create an "index" array.
	1404	Then, we'll use sort() on that array,
	1405	and use that to sort the main array.
	1406	*/
	1407
	1408	// create "index" array
	1409	$index=array();
	1410	reset($a);
	1411	while (list($key, $val)=each($a)){
	1412	$data=$a[$key]->$field;
b076a4	1413	if (is_string($data)) $data=strtoupper(str_replace($stripArr, "", $data));
4e17e6	1414	$index[$key]=$data;
T	1415	}
	1416
	1417	// sort index
	1418	$i=0;
	1419	if ($flag=="ASC") asort($index);
	1420	else arsort($index);
	1421
	1422	// form new array based on index
	1423	$result=array();
	1424	reset($index);
	1425	while (list($key, $val)=each($index)){
9fee0e	1426	$result[$key]=$a[$key];
4e17e6	1427	$i++;
T	1428	}
	1429	}
	1430
	1431	return $result;
	1432	}
	1433
	1434	function iil_C_Expunge(&$conn, $mailbox){
	1435	$fp = $conn->fp;
	1436	if (iil_C_Select($conn, $mailbox)){
	1437	$c=0;
	1438	fputs($fp, "exp1 EXPUNGE\r\n");
	1439	do{
	1440	$line=chop(iil_ReadLine($fp, 100));
	1441	if ($line[0]=="*") $c++;
	1442	}while (!iil_StartsWith($line, "exp1"));
	1443
	1444	if (iil_ParseResult($line) == 0){
	1445	$conn->selected = ""; //state has changed, need to reselect
	1446	//$conn->exists-=$c;
	1447	return $c;
	1448	}else{
	1449	$conn->error = $line;
	1450	return -1;
	1451	}
	1452	}
	1453
	1454	return -1;
	1455	}
	1456
	1457	function iil_C_ModFlag(&$conn, $mailbox, $messages, $flag, $mod){
	1458	if ($mod!="+" && $mod!="-") return -1;
	1459
	1460	$fp = $conn->fp;
	1461	$flags=array(
	1462	"SEEN"=>"\\Seen",
	1463	"DELETED"=>"\\Deleted",
	1464	"RECENT"=>"\\Recent",
	1465	"ANSWERED"=>"\\Answered",
	1466	"DRAFT"=>"\\Draft",
	1467	"FLAGGED"=>"\\Flagged"
	1468	);
	1469	$flag=strtoupper($flag);
	1470	$flag=$flags[$flag];
	1471	if (iil_C_Select($conn, $mailbox)){
	1472	$c=0;
	1473	fputs($fp, "flg STORE $messages ".$mod."FLAGS (".$flag.")\r\n");
	1474	do{
	1475	$line=chop(iil_ReadLine($fp, 100));
	1476	if ($line[0]=="*") $c++;
	1477	}while (!iil_StartsWith($line, "flg"));
520c36	1478
4e17e6	1479	if (iil_ParseResult($line) == 0){
T	1480	iil_C_ExpireCachedItems($conn, $mailbox, $messages);
	1481	return $c;
	1482	}else{
	1483	$conn->error = $line;
	1484	return -1;
	1485	}
	1486	}else{
	1487	$conn->error = "Select failed";
	1488	return -1;
	1489	}
	1490	}
	1491
	1492	function iil_C_Flag(&$conn, $mailbox, $messages, $flag){
	1493	return iil_C_ModFlag($conn, $mailbox, $messages, $flag, "+");
	1494	}
	1495
	1496	function iil_C_Unflag(&$conn, $mailbox, $messages, $flag){
	1497	return iil_C_ModFlag($conn, $mailbox, $messages, $flag, "-");
	1498	}
	1499
	1500	function iil_C_Delete(&$conn, $mailbox, $messages){
	1501	return iil_C_ModFlag($conn, $mailbox, $messages, "DELETED", "+");
	1502	}
	1503
	1504	function iil_C_Undelete(&$conn, $mailbox, $messages){
	1505	return iil_C_ModFlag($conn, $mailbox, $messages, "DELETED", "-");
	1506	}
	1507
	1508
	1509	function iil_C_Unseen(&$conn, $mailbox, $messages){
	1510	return iil_C_ModFlag($conn, $mailbox, $messages, "SEEN", "-");
	1511	}
	1512
	1513
	1514	function iil_C_Copy(&$conn, $messages, $from, $to){
	1515	$fp = $conn->fp;
	1516
	1517	if (empty($from) \|\| empty($to)) return -1;
	1518
	1519	if (iil_C_Select($conn, $from)){
	1520	$c=0;
	1521
	1522	fputs($fp, "cpy1 COPY $messages \"$to\"\r\n");
	1523	$line=iil_ReadReply($fp);
	1524	return iil_ParseResult($line);
	1525	}else{
	1526	return -1;
	1527	}
	1528	}
	1529
	1530	function iil_FormatSearchDate($month, $day, $year){
	1531	$month = (int)$month;
	1532	$months=array(
	1533	1=>"Jan", 2=>"Feb", 3=>"Mar", 4=>"Apr",
	1534	5=>"May", 6=>"Jun", 7=>"Jul", 8=>"Aug",
	1535	9=>"Sep", 10=>"Oct", 11=>"Nov", 12=>"Dec"
	1536	);
	1537	return $day."-".$months[$month]."-".$year;
	1538	}
	1539
	1540	function iil_C_CountUnseen(&$conn, $folder){
	1541	$index = iil_C_Search($conn, $folder, "ALL UNSEEN");
	1542	if (is_array($index)){
	1543	$str = implode(",", $index);
	1544	if (empty($str)) return false;
	1545	else return count($index);
	1546	}else return false;
	1547	}
	1548
	1549	function iil_C_UID2ID(&$conn, $folder, $uid){
	1550	if ($uid > 0){
	1551	$id_a = iil_C_Search($conn, $folder, "UID $uid");
	1552	if (is_array($id_a)){
	1553	$count = count($id_a);
	1554	if ($count > 1) return false;
	1555	else return $id_a[0];
	1556	}
	1557	}
	1558	return false;
	1559	}
	1560
	1561	function iil_C_Search(&$conn, $folder, $criteria){
	1562	$fp = $conn->fp;
	1563	if (iil_C_Select($conn, $folder)){
	1564	$c=0;
	1565
	1566	$query = "srch1 SEARCH ".chop($criteria)."\r\n";
	1567	fputs($fp, $query);
	1568	do{
	1569	$line=trim(chop(iil_ReadLine($fp, 10000)));
	1570	if (eregi("^\* SEARCH", $line)){
	1571	$str = trim(substr($line, 8));
	1572	$messages = explode(" ", $str);
	1573	}
	1574	}while(!iil_StartsWith($line, "srch1"));
	1575
	1576	$result_code=iil_ParseResult($line);
	1577	if ($result_code==0) return $messages;
	1578	else{
	1579	$conn->error = "iil_C_Search: ".$line."<br>\n";
	1580	return false;
	1581	}
	1582
	1583	}else{
	1584	$conn->error = "iil_C_Search: Couldn't select \"$folder\" <br>\n";
	1585	return false;
	1586	}
	1587	}
	1588
	1589	function iil_C_Move(&$conn, $messages, $from, $to){
	1590	$fp = $conn->fp;
	1591
	1592	if (!$from \|\| !$to) return -1;
	1593
	1594	$r=iil_C_Copy($conn, $messages, $from,$to);
	1595	if ($r==0){
	1596	return iil_C_Delete($conn, $from, $messages);
	1597	}else{
	1598	return $r;
	1599	}
	1600	}
	1601
	1602	function iil_C_GetHierarchyDelimiter(&$conn){
	1603	if ($conn->delimiter) return $conn->delimiter;
	1604
	1605	$fp = $conn->fp;
	1606	$delimiter = false;
	1607
	1608	//try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8)
	1609	if (!fputs($fp, "ghd LIST \"\" \"\"\r\n")) return false;
	1610	do{
	1611	$line=iil_ReadLine($fp, 500);
	1612	if ($line[0]=="*"){
	1613	$line = rtrim($line);
	1614	$a=iil_ExplodeQuotedString(" ", $line);
	1615	if ($a[0]=="*") $delimiter = str_replace("\"", "", $a[count($a)-2]);
	1616	}
	1617	}while (!iil_StartsWith($line, "ghd"));
	1618
	1619	if (strlen($delimiter)>0) return $delimiter;
	1620
	1621	//if that fails, try namespace extension
	1622	//try to fetch namespace data
	1623	fputs($conn->fp, "ns1 NAMESPACE\r\n");
	1624	do{
	1625	$line = iil_ReadLine($conn->fp, 1024);
	1626	if (iil_StartsWith($line, "* NAMESPACE")){
	1627	$i = 0;
	1628	$data = iil_ParseNamespace2(substr($line,11), $i, 0, 0);
	1629	}
	1630	}while(!iil_StartsWith($line, "ns1"));
	1631
	1632	if (!is_array($data)) return false;
	1633
	1634	//extract user space data (opposed to global/shared space)
	1635	$user_space_data = $data[0];
	1636	if (!is_array($user_space_data)) return false;
	1637
	1638	//get first element
	1639	$first_userspace = $user_space_data[0];
	1640	if (!is_array($first_userspace)) return false;
	1641
	1642	//extract delimiter
	1643	$delimiter = $first_userspace[1];
	1644
	1645	return $delimiter;
	1646	}
	1647
	1648	function iil_C_ListMailboxes(&$conn, $ref, $mailbox){
	1649	global $IGNORE_FOLDERS;
	1650
	1651	$ignore = $IGNORE_FOLDERS[strtolower($conn->host)];
	1652
	1653	$fp = $conn->fp;
	1654	if (empty($mailbox)) $mailbox="*";
	1655	if (empty($ref) && $conn->rootdir) $ref = $conn->rootdir;
	1656
	1657	// send command
	1658	if (!fputs($fp, "lmb LIST \"".$ref."\" \"$mailbox\"\r\n")) return false;
	1659	$i=0;
	1660	// get folder list
	1661	do{
	1662	$line=iil_ReadLine($fp, 500);
	1663	$line=iil_MultLine($fp, $line);
	1664
	1665	$a = explode(" ", $line);
	1666	if (($line[0]=="*") && ($a[1]=="LIST")){
	1667	$line = rtrim($line);
	1668	// split one line
	1669	$a=iil_ExplodeQuotedString(" ", $line);
	1670	// last string is folder name
	1671	$folder = str_replace("\"", "", $a[count($a)-1]);
	1672	if (empty($ignore) \|\| (!empty($ignore) && !eregi($ignore, $folder))) $folders[$i] = $folder;
	1673	// second from last is delimiter
	1674	$delim = str_replace("\"", "", $a[count($a)-2]);
	1675	// is it a container?
	1676	$i++;
	1677	}
	1678	}while (!iil_StartsWith($line, "lmb"));
	1679
	1680	if (is_array($folders)){
	1681	if (!empty($ref)){
	1682	// if rootdir was specified, make sure it's the first element
	1683	// some IMAP servers (i.e. Courier) won't return it
	1684	if ($ref[strlen($ref)-1]==$delim) $ref = substr($ref, 0, strlen($ref)-1);
	1685	if ($folders[0]!=$ref) array_unshift($folders, $ref);
	1686	}
	1687	return $folders;
	1688	}else if (iil_ParseResult($line)==0){
	1689	return array('INBOX');
	1690	}else{
	1691	$conn->error = $line;
	1692	return false;
	1693	}
	1694	}
	1695
	1696
	1697	function iil_C_ListSubscribed(&$conn, $ref, $mailbox){
	1698	global $IGNORE_FOLDERS;
	1699
	1700	$ignore = $IGNORE_FOLDERS[strtolower($conn->host)];
	1701
	1702	$fp = $conn->fp;
	1703	if (empty($mailbox)) $mailbox = "*";
	1704	if (empty($ref) && $conn->rootdir) $ref = $conn->rootdir;
	1705	$folders = array();
	1706
	1707	// send command
	1708	if (!fputs($fp, "lsb LSUB \"".$ref."\" \"".$mailbox."\"\r\n")){
	1709	$conn->error = "Couldn't send LSUB command\n";
	1710	return false;
	1711	}
	1712	$i=0;
	1713	// get folder list
	1714	do{
	1715	$line=iil_ReadLine($fp, 500);
	1716	$line=iil_MultLine($fp, $line);
	1717	$a = explode(" ", $line);
	1718	if (($line[0]=="*") && ($a[1]=="LSUB")){
	1719	$line = rtrim($line);
	1720	// split one line
	1721	$a=iil_ExplodeQuotedString(" ", $line);
	1722	// last string is folder name
	1723	//$folder = UTF7DecodeString(str_replace("\"", "", $a[count($a)-1]));
	1724	$folder = str_replace("\"", "", $a[count($a)-1]);
	1725	if ((!in_array($folder, $folders)) && (empty($ignore) \|\| (!empty($ignore) && !eregi($ignore, $folder)))) $folders[$i] = $folder;
	1726	// second from last is delimiter
	1727	$delim = str_replace("\"", "", $a[count($a)-2]);
	1728	// is it a container?
	1729	$i++;
	1730	}
	1731	}while (!iil_StartsWith($line, "lsb"));
	1732
	1733	if (is_array($folders)){
	1734	if (!empty($ref)){
	1735	// if rootdir was specified, make sure it's the first element
	1736	// some IMAP servers (i.e. Courier) won't return it
	1737	if ($ref[strlen($ref)-1]==$delim) $ref = substr($ref, 0, strlen($ref)-1);
	1738	if ($folders[0]!=$ref) array_unshift($folders, $ref);
	1739	}
	1740	return $folders;
	1741	}else{
	1742	$conn->error = $line;
	1743	return false;
	1744	}
	1745	}
	1746
	1747
	1748	function iil_C_Subscribe(&$conn, $folder){
	1749	$fp = $conn->fp;
	1750
	1751	$query = "sub1 SUBSCRIBE \"".$folder."\"\r\n";
	1752	fputs($fp, $query);
	1753	$line=trim(chop(iil_ReadLine($fp, 10000)));
	1754	return iil_ParseResult($line);
	1755	}
	1756
	1757
	1758	function iil_C_UnSubscribe(&$conn, $folder){
	1759	$fp = $conn->fp;
	1760
	1761	$query = "usub1 UNSUBSCRIBE \"".$folder."\"\r\n";
	1762	fputs($fp, $query);
	1763	$line=trim(chop(iil_ReadLine($fp, 10000)));
	1764	return iil_ParseResult($line);
	1765	}
	1766
	1767
	1768	function iil_C_FetchPartHeader(&$conn, $mailbox, $id, $part){
	1769	$fp = $conn->fp;
	1770	$result=false;
	1771	if (($part==0)\|\|(empty($part))) $part="HEADER";
	1772	else $part.=".MIME";
	1773
	1774	if (iil_C_Select($conn, $mailbox)){
	1775	$key="fh".($c++);
	1776	$request=$key." FETCH $id (BODY.PEEK[$part])\r\n";
	1777	if (!fputs($fp, $request)) return false;
	1778	do{
	1779	$line=chop(iil_ReadLine($fp, 200));
	1780	$a=explode(" ", $line);
	1781	if (($line[0]=="*") && ($a[2]=="FETCH") && ($line[strlen($line)-1]!=")")){
	1782	$line=iil_ReadLine($fp, 300);
	1783	while(chop($line)!=")"){
	1784	$result.=$line;
	1785	$line=iil_ReadLine($fp, 300);
	1786	}
	1787	}
	1788	}while(strcmp($a[0], $key)!=0);
	1789	}
	1790
	1791	return $result;
	1792	}
	1793
	1794
	1795	function iil_C_HandlePartBody(&$conn, $mailbox, $id, $part, $mode){
	1796	/* modes:
	1797	1: return string
	1798	2: print
	1799	3: base64 and print
	1800	*/
	1801	$fp = $conn->fp;
	1802	$result=false;
	1803	if (($part==0)\|\|(empty($part))) $part="TEXT";
	1804
	1805	if (iil_C_Select($conn, $mailbox)){
	1806	$reply_key="* ".$id;
	1807	// format request
	1808	$key="ftch".($c++)." ";
	1809	$request=$key."FETCH $id (BODY.PEEK[$part])\r\n";
	1810	// send request
	1811	if (!fputs($fp, $request)) return false;
	1812	// receive reply line
	1813	do{
	1814	$line = chop(iil_ReadLine($fp, 1000));
	1815	$a = explode(" ", $line);
	1816	}while ($a[2]!="FETCH");
	1817	$len = strlen($line);
	1818	if ($line[$len-1] == ")"){
	1819	//one line response, get everything between first and last quotes
	1820	$from = strpos($line, "\"") + 1;
	1821	$to = strrpos($line, "\"");
	1822	$len = $to - $from;
	1823	if ($mode==1) $result = substr($line, $from, $len);
	1824	else if ($mode==2) echo substr($line, $from, $len);
	1825	else if ($mode==3) echo base64_decode(substr($line, $from, $len));
	1826	}else if ($line[$len-1] == "}"){
	1827	//multi-line request, find sizes of content and receive that many bytes
	1828	$from = strpos($line, "{") + 1;
	1829	$to = strrpos($line, "}");
	1830	$len = $to - $from;
	1831	$sizeStr = substr($line, $from, $len);
	1832	$bytes = (int)$sizeStr;
	1833	$received = 0;
	1834	while ($received < $bytes){
	1835	$remaining = $bytes - $received;
	1836	$line = iil_ReadLine($fp, 1024);
	1837	$len = strlen($line);
	1838	if ($len > $remaining) substr($line, 0, $remaining);
	1839	$received += strlen($line);
	1840	if ($mode==1) $result .= chop($line)."\n";
	1841	else if ($mode==2){ echo chop($line)."\n"; flush(); }
	1842	else if ($mode==3){ echo base64_decode($line); flush(); }
	1843	}
	1844	}
	1845	// read in anything up until 'til last line
	1846	do{
	1847	$line = iil_ReadLine($fp, 1024);
	1848	}while(!iil_StartsWith($line, $key));
	1849
	1850	if ($result){
	1851	$result = chop($result);
30233b	1852	return $result; // substr($result, 0, strlen($result)-1);
4e17e6	1853	}else return false;
T	1854	}else{
	1855	echo "Select failed.";
	1856	}
	1857
	1858	if ($mode==1) return $result;
	1859	else return $received;
	1860	}
	1861
	1862	function iil_C_FetchPartBody(&$conn, $mailbox, $id, $part){
	1863	return iil_C_HandlePartBody($conn, $mailbox, $id, $part, 1);
	1864	}
	1865
	1866	function iil_C_PrintPartBody(&$conn, $mailbox, $id, $part){
	1867	iil_C_HandlePartBody($conn, $mailbox, $id, $part, 2);
	1868	}
	1869
	1870	function iil_C_PrintBase64Body(&$conn, $mailbox, $id, $part){
	1871	iil_C_HandlePartBody($conn, $mailbox, $id, $part, 3);
	1872	}
	1873
	1874	function iil_C_CreateFolder(&$conn, $folder){
	1875	$fp = $conn->fp;
	1876	if (fputs($fp, "c CREATE \"".$folder."\"\r\n")){
	1877	do{
	1878	$line=iil_ReadLine($fp, 300);
	1879	}while($line[0]!="c");
	1880	$conn->error = $line;
	1881	return (iil_ParseResult($line)==0);
	1882	}else{
	1883	return false;
	1884	}
	1885	}
	1886
	1887	function iil_C_RenameFolder(&$conn, $from, $to){
	1888	$fp = $conn->fp;
	1889	if (fputs($fp, "r RENAME \"".$from."\" \"".$to."\"\r\n")){
	1890	do{
	1891	$line=iil_ReadLine($fp, 300);
	1892	}while($line[0]!="r");
	1893	return (iil_ParseResult($line)==0);
	1894	}else{
	1895	return false;
	1896	}
	1897	}
	1898
	1899	function iil_C_DeleteFolder(&$conn, $folder){
	1900	$fp = $conn->fp;
	1901	if (fputs($fp, "d DELETE \"".$folder."\"\r\n")){
	1902	do{
	1903	$line=iil_ReadLine($fp, 300);
	1904	}while($line[0]!="d");
	1905	return (iil_ParseResult($line)==0);
	1906	}else{
	1907	$conn->error = "Couldn't send command\n";
	1908	return false;
	1909	}
	1910	}
	1911
e0ed97	1912	function iil_C_Append(&$conn, $folder, &$message){
4e17e6	1913	if (!$folder) return false;
T	1914	$fp = $conn->fp;
	1915
	1916	$message = str_replace("\r", "", $message);
	1917	$message = str_replace("\n", "\r\n", $message);
	1918
	1919	$len = strlen($message);
	1920	if (!$len) return false;
	1921
	1922	$request="A APPEND \"".$folder."\" (\\Seen) {".$len."}\r\n";
	1923	if (fputs($fp, $request)){
0284c2	1924	$line=iil_ReadLine($fp, 100);
4e17e6	1925	$sent = fwrite($fp, $message."\r\n");
T	1926	flush();
	1927	do{
	1928	$line=iil_ReadLine($fp, 1000);
	1929	}while($line[0]!="A");
	1930
	1931	$result = (iil_ParseResult($line)==0);
	1932	if (!$result) $conn->error .= $line."<br>\n";
	1933	return $result;
	1934
	1935	}else{
	1936	$conn->error .= "Couldn't send command \"$request\"<br>\n";
	1937	return false;
	1938	}
	1939	}
	1940
	1941
	1942	function iil_C_AppendFromFile(&$conn, $folder, $path){
	1943	if (!$folder) return false;
	1944
	1945	//open message file
	1946	$in_fp = false;
	1947	if (file_exists(realpath($path))) $in_fp = fopen($path, "r");
	1948	if (!$in_fp){
	1949	$conn->error .= "Couldn't open $path for reading<br>\n";
	1950	return false;
	1951	}
	1952
	1953	$fp = $conn->fp;
	1954	$len = filesize($path);
	1955	if (!$len) return false;
	1956
	1957	//send APPEND command
	1958	$request="A APPEND \"".$folder."\" (\\Seen) {".$len."}\r\n";
	1959	$bytes_sent = 0;
	1960	if (fputs($fp, $request)){
	1961	$line=iil_ReadLine($fp, 100);
	1962
	1963	//send file
	1964	while(!feof($in_fp)){
	1965	$buffer = fgets($in_fp, 4096);
	1966	$bytes_sent += strlen($buffer);
	1967	fputs($fp, $buffer);
	1968	}
	1969	fclose($in_fp);
	1970
	1971	fputs($fp, "\r\n");
	1972
	1973	//read response
	1974	do{
	1975	$line=iil_ReadLine($fp, 1000);
	1976	}while($line[0]!="A");
	1977
	1978	$result = (iil_ParseResult($line)==0);
	1979	if (!$result) $conn->error .= $line."<br>\n";
	1980	return $result;
	1981
	1982	}else{
	1983	$conn->error .= "Couldn't send command \"$request\"<br>\n";
	1984	return false;
	1985	}
	1986	}
	1987
	1988
	1989	function iil_C_FetchStructureString(&$conn, $folder, $id){
	1990	$fp = $conn->fp;
	1991	$result=false;
	1992	if (iil_C_Select($conn, $folder)){
	1993	$key = "F1247";
	1994	if (fputs($fp, "$key FETCH $id (BODYSTRUCTURE)\r\n")){
	1995	do{
	1996	$line=chop(iil_ReadLine($fp, 5000));
	1997	if ($line[0]=="*"){
	1998	if (ereg("\}$", $line)){
	1999	preg_match('/(.+)\{([0-9]+)\}/', $line, $match);
	2000	$result = $match[1];
	2001	do{
	2002	$line = chop(iil_ReadLine($fp, 100));
	2003	if (!preg_match("/^$key/", $line)) $result .= $line;
	2004	else $done = true;
	2005	}while(!$done);
	2006	}else{
	2007	$result = $line;
	2008	}
	2009	list($pre, $post) = explode("BODYSTRUCTURE ", $result);
	2010	$result = substr($post, 0, strlen($post)-1); //truncate last ')' and return
	2011	}
	2012	}while (!preg_match("/^$key/",$line));
	2013	}
	2014	}
	2015	return $result;
	2016	}
	2017
	2018	function iil_C_PrintSource(&$conn, $folder, $id, $part){
	2019	$header = iil_C_FetchPartHeader($conn, $folder, $id, $part);
	2020	//echo str_replace("\r", "", $header);
	2021	echo $header;
	2022	echo iil_C_PrintPartBody($conn, $folder, $id, $part);
	2023	}
	2024
	2025	function iil_C_GetQuota(&$conn){
	2026	/*
	2027	b GETQUOTAROOT "INBOX"
	2028	* QUOTAROOT INBOX user/rchijiiwa1
	2029	* QUOTA user/rchijiiwa1 (STORAGE 654 9765)
	2030	b OK Completed
	2031	*/
	2032	$fp = $conn->fp;
	2033	$result=false;
	2034	$quota_line = "";
	2035
	2036	//get line containing quota info
	2037	if (fputs($fp, "QUOT1 GETQUOTAROOT \"INBOX\"\r\n")){
	2038	do{
	2039	$line=chop(iil_ReadLine($fp, 5000));
	2040	if (iil_StartsWith($line, "* QUOTA ")) $quota_line = $line;
	2041	}while(!iil_StartsWith($line, "QUOT1"));
	2042	}
	2043
	2044	//return false if not found, parse if found
	2045	if (!empty($quota_line)){
	2046	$quota_line = eregi_replace("[()]", "", $quota_line);
	2047	$parts = explode(" ", $quota_line);
	2048	$storage_part = array_search("STORAGE", $parts);
	2049	if ($storage_part>0){
	2050	$result = array();
	2051	$used = $parts[$storage_part+1];
	2052	$total = $parts[$storage_part+2];
	2053	$result["used"] = $used;
	2054	$result["total"] = (empty($total)?"??":$total);
	2055	$result["percent"] = (empty($total)?"??":round(($used/$total)*100));
	2056	$result["free"] = 100 - $result["percent"];
	2057	}
	2058	}
	2059
	2060	return $result;
	2061	}
	2062
	2063
	2064	function iil_C_ClearFolder(&$conn, $folder){
	2065	$num_in_trash = iil_C_CountMessages($conn, $folder);
	2066	if ($num_in_trash > 0) iil_C_Delete($conn, $folder, "1:".$num_in_trash);
	2067	return (iil_C_Expunge($conn, $folder) >= 0);
	2068	}
	2069
	2070	?>