[squirrelmail.git] / class / mime / Rfc822Header.class.php

<?php

/**
 * Rfc822Header.class.php
 *
 * Copyright (c) 2003 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This contains functions needed to handle mime messages.
 *
 * $Id$
 */

/*
 * rdc822_header class
 * input: header_string or array
 */
class Rfc822Header {
    var $date = '',
        $subject = '',
        $from = array(),
        $sender = '',
        $reply_to = array(),
        $to = array(),
        $cc = array(),
        $bcc = array(),
        $in_reply_to = '',
        $message_id = '',
	$references = '',
        $mime = false,
        $content_type = '',
        $disposition = '',
        $xmailer = '',
        $priority = 3,
        $dnt = '',
        $mlist = array(),
        $more_headers = array(); /* only needed for constructing headers
                                    in smtp.php */
    function parseHeader($hdr) {
        if (is_array($hdr)) {
            $hdr = implode('', $hdr);
        }

        /* First we unfold the header */
        $hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $hdr));

        /* Now we can make a new header array with */
        /* each element representing a headerline  */
        $hdr = explode("\r\n" , $hdr);
        foreach ($hdr as $line) {
            $pos = strpos($line, ':');
            if ($pos > 0) {
                $field = substr($line, 0, $pos);
		if (!strstr($field,' ')) { /* valid field */
            	    $value = trim(substr($line, $pos+1));
            	    if(!preg_match('/^X.*/i', $field) &&
                       !preg_match('/^Subject/i', $field)) {
                       $value = $this->stripComments($value);
                    }
            	    $this->parseField($field, $value);
		}
            }
        }
        if ($this->content_type == '') {
            $this->parseContentType('text/plain; charset=us-ascii');
        }
    }

    function stripComments($value) {
        $result = '';

        $cnt = strlen($value);
        for ($i = 0; $i < $cnt; ++$i) {
            switch ($value{$i}) {
                case '"':
                    $result .= '"';
                    while ((++$i < $cnt) && ($value{$i} != '"')) {
                        if ($value{$i} == '\\') {
                            $result .= '\\';
                            ++$i;
                        }
                        $result .= $value{$i};
                    }
                    $result .= $value{$i};
                    break;
                case '(':
                    $depth = 1;
                    while (($depth > 0) && (++$i < $cnt)) {
                        switch($value{$i}) {
                            case '\\':
                                ++$i;
                                break;
                            case '(':
                                ++$depth;
                                break;
                            case ')':
                                --$depth;
                                break;
                            default:
                                break;
                        }
                    }
                    break;
                default:
                    $result .= $value{$i};
                    break;
            }
        }
        return $result;
    }

    function parseField($field, $value) {
        $field = strtolower($field);
        switch($field) {
            case 'date':
                $d = strtr($value, array('  ' => ' '));
                $d = explode(' ', $d);
                $this->date = getTimeStamp($d);
                break;
            case 'subject':
                $this->subject = $value;
                break;
            case 'from':
                $this->from = $this->parseAddress($value,true);
                break;
            case 'sender':
                $this->sender = $this->parseAddress($value);
                break;
            case 'reply-to':
                $this->reply_to = $this->parseAddress($value, true);
                break;
            case 'to':
                $this->to = $this->parseAddress($value, true);
                break;
            case 'cc':
                $this->cc = $this->parseAddress($value, true);
                break;
            case 'bcc':
                $this->bcc = $this->parseAddress($value, true);
                break;
            case 'in-reply-to':
                $this->in_reply_to = $value;
                break;
            case 'message-id':
                $this->message_id = $value;
                break;
	    case 'references':
	        $this->references = $value;
		break;
            case 'disposition-notification-to':
                $this->dnt = $this->parseAddress($value);
                break;
            case 'mime-version':
                $value = str_replace(' ', '', $value);
                $this->mime = ($value == '1.0' ? true : $this->mime);
                break;
            case 'content-type':
                $this->parseContentType($value);
                break;
            case 'content-disposition':
                $this->parseDisposition($value);
                break;
            case 'user-agent':
            case 'x-mailer':
                $this->xmailer = $value;
                break;
            case 'x-priority':
                $this->priority = $value;
                break;
            case 'list-post':
                $this->mlist('post', $value);
                break;
            case 'list-reply':
                $this->mlist('reply', $value);
                break;
            case 'list-subscribe':
                $this->mlist('subscribe', $value);
                break;
            case 'list-unsubscribe':
                $this->mlist('unsubscribe', $value);
                break;
            case 'list-archive':
                $this->mlist('archive', $value);
                break;
            case 'list-owner':
                $this->mlist('owner', $value);
                break;
            case 'list-help':
                $this->mlist('help', $value);
                break;
            case 'list-id':
                $this->mlist('id', $value);
                break;
            default:
                break;
        }
    }
    /*
     * parseAddress: recursive function for parsing address strings and store 
     *               them in an address stucture object.
     *               input: $address = string
     *                      $ar      = boolean (return array instead of only the
     *                                 first element)
     *                      $addr_ar = array with parsed addresses
     *                      $group   = string
     *                      $host    = string (default domainname in case of 
     *                                 addresses without a domainname)
     *                      $lookup  = callback function (for lookup address
     *                                 strings which are probably nicks
     *                                 (without @ ) ) 
     *               output: array with addressstructure objects or only one
     *                       address_structure object.
     */
    function parseAddress
    ($address, $ar=false, $addr_ar = array(), $group = '', $host='',$lookup=false) {
        $pos = 0;
        $j = strlen($address);
        $name = '';
        $addr = '';
        while ($pos < $j) {
            switch ($address{$pos}) {
                case '"': /* get the personal name */
                    if ($address{++$pos} == '"') {
                        ++$pos;
                    } else {
                        while ($pos < $j && $address{$pos} != '"') {
                            if ((substr($address, $pos, 2) == '\\"') ||
                                (substr($address, $pos, 2) == '\\\\')) {
                                $name .= $address{$pos++};
                            }
                            $name .= $address{$pos++};
                        }
                    }
                    ++$pos;
                    break;
                case '<':  /* get email address */
                    $addr_start = $pos++;
                    while ($pos < $j && $address{$pos} != '>') {
                        $addr .= $address{$pos++};
                    }
                    ++$pos;
                    break;
                case '(':  /* rip off comments */
                    $addr_start = $pos;
                    for (++$pos; ($pos < $j) && ($address{$pos} != ')'); ++$pos) {
                        $addr .= $address{$pos};
                    }
                    $address_start = substr($address, 0, $addr_start);
                    $address_end   = substr($address, $pos + 1);
                    $address       = $address_start . $address_end;
                    $j = strlen($address);
                    $pos = $addr_start + 1;
                    break;
                case ',':  /* we reached a delimiter */
                    if ($addr == '') {
                        $addr = substr($address, 0, $pos);
                    } else if ($name == '') {
                        $name = trim(substr($address, 0, $addr_start));
                    }

                    $at = strpos($addr, '@');
                    $addr_structure = new AddressStructure();
                    $addr_structure->personal = $name;
                    $addr_structure->group = $group;
                    if ($at) {
                        $addr_structure->mailbox = substr($addr, 0, $at);
                        $addr_structure->host = substr($addr, $at+1);
                    } else {
			/* if lookup function */
			if ($lookup) {
			    $aAddr = call_user_func_array($lookup,array($addr));
			    if (isset($aAddr['email'])) {
				$at = strpos($aAddr['email'], '@');
                    		$addr_structure->mailbox = substr($aAddr['email'], 0, $at);
                    		$addr_structure->host = substr($aAddr['email'], $at+1);
				if (isset($aAddr['name'])) {
				    $addr_structure->personal = $aAddr['name'];
				}
			    }
			}
			if (!$addr_structure->mailbox) {
                    	    $addr_structure->mailbox = trim($addr);
			    if ($host) {
				$addr_structure->host = $host;
			    }
			}
                    }
                    $address = trim(substr($address, $pos+1));
                    $j = strlen($address);
                    $pos = 0;
                    $name = '';
                    $addr = '';
                    $addr_ar[] = $addr_structure;
                    break;
                case ':':  /* process the group addresses */
                    /* group marker */
                    $group = substr($address, 0, $pos);
                    $address = substr($address, $pos+1);
                    $result = $this->parseAddress($address, $ar, $addr_ar, $group);
                    $addr_ar = $result[0];
                    $pos = $result[1];
                    $address = substr($address, $pos++);
                    $j = strlen($address);
                    $group = '';
                    break;
                case ';':
                    if ($group) {
                        $address = substr($address, 0, $pos - 1);
                    }
                    ++$pos;
                    break;
                default:
                    ++$pos;
                    break;
            }
        }
        if ($addr == '') {
            $addr = substr($address, 0, $pos);
        } else if ($name == '') {
            $name = trim(substr($address, 0, $addr_start));
        }
        $at = strpos($addr, '@');
        $addr_structure = new AddressStructure();
        $addr_structure->group = $group;
        if ($at) {
            $addr_structure->mailbox = trim(substr($addr, 0, $at));
            $addr_structure->host = trim(substr($addr, $at+1));
        } else {
	    /* if lookup function */
	    if ($lookup) {
		$aAddr = call_user_func_array($lookup,array($addr));
	        if (isset($aAddr['email'])) {
		    $at = strpos($aAddr['email'], '@');
                    $addr_structure->mailbox = substr($aAddr['email'], 0, $at);
                    $addr_structure->host = substr($aAddr['email'], $at+1);
		    if (isset($aAddr['name'])) {
		        $addr_structure->personal = $aAddr['name'];
		    }
		}
	    }
	    if (!$addr_structure->mailbox) {
                $addr_structure->mailbox = trim($addr);
	        if ($host) {
		    $addr_structure->host = $host;
		}
	    }
        }
        if ($group && $addr == '') { /* no addresses found in group */
            $name = "$group";
            $addr_structure->personal = $name;
            $addr_ar[] = $addr_structure;
            return (array($addr_ar,$pos+1 ));
	} elseif ($group) {
            $addr_structure->personal = $name;
            $addr_ar[] = $addr_structure;
	    return (array($addr_ar,$pos+1 ));
        } else {
            $addr_structure->personal = $name;
            if ($name || $addr) {
                $addr_ar[] = $addr_structure;
            }
        }
        if ($ar) {
            return ($addr_ar);
        }
        return ($addr_ar[0]);
    }

    function parseContentType($value) {
        $pos = strpos($value, ';');
        $props = '';
        if ($pos > 0) {
           $type = trim(substr($value, 0, $pos));
           $props = trim(substr($type, $pos+1));
        } else {
           $type = $value;
        }
        $content_type = new ContentType($type);
        if ($props) {
            $properties = $this->parseProperties($props);
            if (!isset($properties['charset'])) {
                $properties['charset'] = 'us-ascii';
            }
            $content_type->properties = $this->parseProperties($props);
        }
        $this->content_type = $content_type;
    }

    function parseProperties($value) {
        $propArray = explode(';', $value);
        $propResultArray = array();
        foreach ($propArray as $prop) {
            $prop = trim($prop);
            $pos = strpos($prop, '=');
            if ($pos > 0)  {
                $key = trim(substr($prop, 0, $pos));
                $val = trim(substr($prop, $pos+1));
                if ($val{0} == '"') {
                    $val = substr($val, 1, -1);
                }
                $propResultArray[$key] = $val;
            }
        }
        return $propResultArray;
    }

    function parseDisposition($value) {
        $pos = strpos($value, ';');
        $props = '';
        if ($pos > 0) {
            $name = trim(substr($value, 0, $pos));
            $props = trim(substr($value, $pos+1));
        } else {
            $name = $value;
        }
        $props_a = $this->parseProperties($props);
        $disp = new Disposition($name);
        $disp->properties = $props_a;
        $this->disposition = $disp;
    }

    function mlist($field, $value) {
        $res_a = array();
        $value_a = explode(',', $value);
        foreach ($value_a as $val) {
            $val = trim($val);
            if ($val{0} == '<') {
                $val = substr($val, 1, -1);
            }
            if (substr($val, 0, 7) == 'mailto:') {
                $res_a['mailto'] = substr($val, 7);
            } else {
                $res_a['href'] = $val;
            }
        }
        $this->mlist[$field] = $res_a;
    }

    /*
     * function to get the addres strings out of the header.
     * Arguments: string or array of strings !
     * example1: header->getAddr_s('to').
     * example2: header->getAddr_s(array('to', 'cc', 'bcc'))
     */
    function getAddr_s($arr, $separator = ',') {
        $s = '';

        if (is_array($arr)) {
            foreach($arr as $arg) {
                if ($this->getAddr_s($arg)) {
                    $s .= $separator . $result;
                }
            }
            $s = ($s ? substr($s, 2) : $s);
        } else {
            eval('$addr = $this->' . $arr . ';') ;
            if (is_array($addr)) {
                foreach ($addr as $addr_o) {
                    if (is_object($addr_o)) {
                        $s .= $addr_o->getAddress() . $separator;
                    }
                }
                $s = substr($s, 0, -strlen($separator));
            } else {
                if (is_object($addr)) {
                    $s .= $addr->getAddress();
                }
            }
        }
        return $s;
    }

    function getAddr_a($arg, $excl_arr = array(), $arr = array()) {
        if (is_array($arg)) {
            foreach($arg as $argument) {
                $arr = $this->getAddr_a($argument, $excl_arr, $arr);
            }
        } else {
            eval('$addr = $this->' . $arg . ';') ;
            if (is_array($addr)) {
                foreach ($addr as $next_addr) {
                    if (is_object($next_addr)) {
                        if (isset($next_addr->host) && ($next_addr->host != '')) {
                            $email = $next_addr->mailbox . '@' . $next_addr->host;
                        } else {
                            $email = $next_addr->mailbox;
                        }
                        $email = strtolower($email);
                        if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
                            $arr[$email] = $next_addr->personal;
                        }
                    }
                }
            } else {
                if (is_object($addr)) {
                    $email  = $addr->mailbox;
                    $email .= (isset($addr->host) ? '@' . $addr->host : '');
                    $email  = strtolower($email);
                    if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
                        $arr[$email] = $addr->personal;
                    }
                }
            }
        }
        return $arr;
    }
    
    function findAddress($address, $recurs = false) {
	$result = false;
        if (is_array($address)) {
	    $i=0;
            foreach($address as $argument) {
                $match = $this->findAddress($argument, true);
		$last = end($match);
		if ($match[1]) {
		    return $i;
		} else {
		    if (count($match[0]) && !$result) {
			$result = $i;
		    }
		}
		++$i;	
            }
	} else {
	    if (!is_array($this->cc)) $this->cc = array();
	    $srch_addr = $this->parseAddress($address);
	    $results = array();
	    foreach ($this->to as $to) {
		if ($to->host == $srch_addr->host) {
		    if ($to->mailbox == $srch_addr->mailbox) {
			$results[] = $srch_addr;
			if ($to->personal == $srch_addr->personal) {
			    if ($recurs) {
				return array($results, true);
			    } else {
				return true;
			    }
			}
		    }
		}
	    }
 	    foreach ($this->cc as $cc) {
	        if ($cc->host == $srch_addr->host) {
		    if ($cc->mailbox == $srch_addr->mailbox) {
		        $results[] = $srch_addr;
		        if ($cc->personal == $srch_addr->personal) {
			    if ($recurs) {
			        return array($results, true);
			    } else {
			        return true;
			    }
		        }
		    }
		}
	    }
	    if ($recurs) {
		return array($results, false);
	    } elseif (count($result)) {
		return true;
	    } else {
		return false;
	    }	
	}
	return $result;
    }

    function getContentType($type0, $type1) {
        $type0 = $this->content_type->type0;
        $type1 = $this->content_type->type1;
        return $this->content_type->properties;
    }
}

?>
Commit	Line	Data
19d470aa	1	<?php
	2
	3	/**
	4	* Rfc822Header.class.php
	5	*
76911253	6	* Copyright (c) 2003 The SquirrelMail Project Team
19d470aa	7	* Licensed under the GNU GPL. For full terms see the file COPYING.
	8	*
	9	* This contains functions needed to handle mime messages.
	10	*
	11	* $Id$
	12	*/
	13
	14	/*
	15	* rdc822_header class
	16	* input: header_string or array
	17	*/
	18	class Rfc822Header {
	19	var $date = '',
	20	$subject = '',
	21	$from = array(),
	22	$sender = '',
	23	$reply_to = array(),
	24	$to = array(),
	25	$cc = array(),
	26	$bcc = array(),
	27	$in_reply_to = '',
	28	$message_id = '',
238c278c	29	$references = '',
19d470aa	30	$mime = false,
	31	$content_type = '',
	32	$disposition = '',
	33	$xmailer = '',
	34	$priority = 3,
	35	$dnt = '',
	36	$mlist = array(),
	37	$more_headers = array(); /* only needed for constructing headers
	38	in smtp.php */
	39	function parseHeader($hdr) {
	40	if (is_array($hdr)) {
	41	$hdr = implode('', $hdr);
	42	}
	43
	44	/* First we unfold the header */
	45	$hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $hdr));
	46
	47	/* Now we can make a new header array with */
	48	/* each element representing a headerline */
	49	$hdr = explode("\r\n" , $hdr);
	50	foreach ($hdr as $line) {
	51	$pos = strpos($line, ':');
	52	if ($pos > 0) {
	53	$field = substr($line, 0, $pos);
d0719411	54	if (!strstr($field,' ')) { /* valid field */
	55	$value = trim(substr($line, $pos+1));
	56	if(!preg_match('/^X.*/i', $field) &&
	57	!preg_match('/^Subject/i', $field)) {
	58	$value = $this->stripComments($value);
	59	}
	60	$this->parseField($field, $value);
	61	}
19d470aa	62	}
	63	}
	64	if ($this->content_type == '') {
	65	$this->parseContentType('text/plain; charset=us-ascii');
	66	}
	67	}
	68
	69	function stripComments($value) {
	70	$result = '';
	71
	72	$cnt = strlen($value);
	73	for ($i = 0; $i < $cnt; ++$i) {
	74	switch ($value{$i}) {
	75	case '"':
	76	$result .= '"';
	77	while ((++$i < $cnt) && ($value{$i} != '"')) {
	78	if ($value{$i} == '\\') {
	79	$result .= '\\';
	80	++$i;
	81	}
	82	$result .= $value{$i};
	83	}
	84	$result .= $value{$i};
	85	break;
	86	case '(':
	87	$depth = 1;
	88	while (($depth > 0) && (++$i < $cnt)) {
	89	switch($value{$i}) {
	90	case '\\':
	91	++$i;
	92	break;
	93	case '(':
	94	++$depth;
	95	break;
	96	case ')':
	97	--$depth;
	98	break;
	99	default:
	100	break;
	101	}
	102	}
	103	break;
	104	default:
	105	$result .= $value{$i};
	106	break;
	107	}
	108	}
	109	return $result;
	110	}
	111
	112	function parseField($field, $value) {
	113	$field = strtolower($field);
	114	switch($field) {
	115	case 'date':
	116	$d = strtr($value, array(' ' => ' '));
	117	$d = explode(' ', $d);
	118	$this->date = getTimeStamp($d);
	119	break;
	120	case 'subject':
	121	$this->subject = $value;
	122	break;
	123	case 'from':
	124	$this->from = $this->parseAddress($value,true);
	125	break;
126	case 'sender':
127	$this->sender = $this->parseAddress($value);
128	break;
129	case 'reply-to':
130	$this->reply_to = $this->parseAddress($value, true);
131	break;
132	case 'to':
133	$this->to = $this->parseAddress($value, true);
134	break;
135	case 'cc':
136	$this->cc = $this->parseAddress($value, true);
137	break;
138	case 'bcc':
139	$this->bcc = $this->parseAddress($value, true);
140	break;
141	case 'in-reply-to':
142	$this->in_reply_to = $value;
143	break;
144	case 'message-id':
145	$this->message_id = $value;
146	break;
238c278c	147	case 'references':
	148	$this->references = $value;
	149	break;
19d470aa	150	case 'disposition-notification-to':
	151	$this->dnt = $this->parseAddress($value);
	152	break;
	153	case 'mime-version':
	154	$value = str_replace(' ', '', $value);
	155	$this->mime = ($value == '1.0' ? true : $this->mime);
	156	break;
	157	case 'content-type':
	158	$this->parseContentType($value);
	159	break;
	160	case 'content-disposition':
	161	$this->parseDisposition($value);
	162	break;
	163	case 'user-agent':
	164	case 'x-mailer':
	165	$this->xmailer = $value;
	166	break;
	167	case 'x-priority':
	168	$this->priority = $value;
	169	break;
	170	case 'list-post':
	171	$this->mlist('post', $value);
	172	break;
	173	case 'list-reply':
	174	$this->mlist('reply', $value);
	175	break;
	176	case 'list-subscribe':
	177	$this->mlist('subscribe', $value);
	178	break;
	179	case 'list-unsubscribe':
	180	$this->mlist('unsubscribe', $value);
	181	break;
	182	case 'list-archive':
	183	$this->mlist('archive', $value);
	184	break;
	185	case 'list-owner':
	186	$this->mlist('owner', $value);
	187	break;
	188	case 'list-help':
	189	$this->mlist('help', $value);
	190	break;
	191	case 'list-id':
	192	$this->mlist('id', $value);
	193	break;
	194	default:
	195	break;
	196	}
	197	}
e74ba378	198	/*
	199	* parseAddress: recursive function for parsing address strings and store
	200	* them in an address stucture object.
	201	* input: $address = string
	202	* $ar = boolean (return array instead of only the
	203	* first element)
	204	* $addr_ar = array with parsed addresses
	205	* $group = string
	206	* $host = string (default domainname in case of
	207	* addresses without a domainname)
	208	* $lookup = callback function (for lookup address
	209	* strings which are probably nicks
	210	* (without @ ) )
	211	* output: array with addressstructure objects or only one
	212	* address_structure object.
	213	*/
19d470aa	214	function parseAddress
e74ba378	215	($address, $ar=false, $addr_ar = array(), $group = '', $host='',$lookup=false) {
19d470aa	216	$pos = 0;
	217	$j = strlen($address);
	218	$name = '';
	219	$addr = '';
	220	while ($pos < $j) {
	221	switch ($address{$pos}) {
	222	case '"': /* get the personal name */
	223	if ($address{++$pos} == '"') {
	224	++$pos;
	225	} else {
	226	while ($pos < $j && $address{$pos} != '"') {
	227	if ((substr($address, $pos, 2) == '\\"') \|\|
	228	(substr($address, $pos, 2) == '\\\\')) {
	229	$name .= $address{$pos++};
	230	}
	231	$name .= $address{$pos++};
	232	}
	233	}
	234	++$pos;
	235	break;
	236	case '<': /* get email address */
	237	$addr_start = $pos++;
	238	while ($pos < $j && $address{$pos} != '>') {
	239	$addr .= $address{$pos++};
	240	}
	241	++$pos;
	242	break;
	243	case '(': /* rip off comments */
	244	$addr_start = $pos;
	245	for (++$pos; ($pos < $j) && ($address{$pos} != ')'); ++$pos) {
	246	$addr .= $address{$pos};
	247	}
	248	$address_start = substr($address, 0, $addr_start);
	249	$address_end = substr($address, $pos + 1);
	250	$address = $address_start . $address_end;
	251	$j = strlen($address);
	252	$pos = $addr_start + 1;
	253	break;
	254	case ',': /* we reached a delimiter */
	255	if ($addr == '') {
	256	$addr = substr($address, 0, $pos);
	257	} else if ($name == '') {
	258	$name = trim(substr($address, 0, $addr_start));
	259	}
	260
	261	$at = strpos($addr, '@');
	262	$addr_structure = new AddressStructure();
	263	$addr_structure->personal = $name;
	264	$addr_structure->group = $group;
	265	if ($at) {
	266	$addr_structure->mailbox = substr($addr, 0, $at);
	267	$addr_structure->host = substr($addr, $at+1);
	268	} else {
e74ba378	269	/* if lookup function */
	270	if ($lookup) {
	271	$aAddr = call_user_func_array($lookup,array($addr));
	272	if (isset($aAddr['email'])) {
	273	$at = strpos($aAddr['email'], '@');
	274	$addr_structure->mailbox = substr($aAddr['email'], 0, $at);
	275	$addr_structure->host = substr($aAddr['email'], $at+1);
	276	if (isset($aAddr['name'])) {
	277	$addr_structure->personal = $aAddr['name'];
	278	}
	279	}
	280	}
ec0e3bf0	281	if (!$addr_structure->mailbox) {
e74ba378	282	$addr_structure->mailbox = trim($addr);
	283	if ($host) {
	284	$addr_structure->host = $host;
	285	}
238c278c	286	}
19d470aa	287	}
	288	$address = trim(substr($address, $pos+1));
	289	$j = strlen($address);
	290	$pos = 0;
	291	$name = '';
	292	$addr = '';
	293	$addr_ar[] = $addr_structure;
	294	break;
	295	case ':': /* process the group addresses */
	296	/* group marker */
	297	$group = substr($address, 0, $pos);
	298	$address = substr($address, $pos+1);
	299	$result = $this->parseAddress($address, $ar, $addr_ar, $group);
	300	$addr_ar = $result[0];
	301	$pos = $result[1];
	302	$address = substr($address, $pos++);
	303	$j = strlen($address);
	304	$group = '';
	305	break;
	306	case ';':
	307	if ($group) {
	308	$address = substr($address, 0, $pos - 1);
	309	}
	310	++$pos;
	311	break;
	312	default:
	313	++$pos;
	314	break;
	315	}
	316	}
	317	if ($addr == '') {
	318	$addr = substr($address, 0, $pos);
	319	} else if ($name == '') {
	320	$name = trim(substr($address, 0, $addr_start));
	321	}
	322	$at = strpos($addr, '@');
	323	$addr_structure = new AddressStructure();
	324	$addr_structure->group = $group;
	325	if ($at) {
	326	$addr_structure->mailbox = trim(substr($addr, 0, $at));
	327	$addr_structure->host = trim(substr($addr, $at+1));
	328	} else {
e74ba378	329	/* if lookup function */
	330	if ($lookup) {
	331	$aAddr = call_user_func_array($lookup,array($addr));
	332	if (isset($aAddr['email'])) {
	333	$at = strpos($aAddr['email'], '@');
	334	$addr_structure->mailbox = substr($aAddr['email'], 0, $at);
	335	$addr_structure->host = substr($aAddr['email'], $at+1);
	336	if (isset($aAddr['name'])) {
	337	$addr_structure->personal = $aAddr['name'];
	338	}
	339	}
	340	}
ec0e3bf0	341	if (!$addr_structure->mailbox) {
e74ba378	342	$addr_structure->mailbox = trim($addr);
	343	if ($host) {
	344	$addr_structure->host = $host;
	345	}
238c278c	346	}
19d470aa	347	}
19d470aa	348	if ($group && $addr == '') { /* no addresses found in group */
238c278c	349	$name = "$group";
19d470aa	350	$addr_structure->personal = $name;
19d470aa	351	$addr_ar[] = $addr_structure;
085103f0	352	return (array($addr_ar,$pos+1 ));
	353	} elseif ($group) {
	354	$addr_structure->personal = $name;
	355	$addr_ar[] = $addr_structure;
	356	return (array($addr_ar,$pos+1 ));
19d470aa	357	} else {
	358	$addr_structure->personal = $name;
	359	if ($name \|\| $addr) {
	360	$addr_ar[] = $addr_structure;
	361	}
	362	}
	363	if ($ar) {
	364	return ($addr_ar);
	365	}
	366	return ($addr_ar[0]);
	367	}
	368
	369	function parseContentType($value) {
	370	$pos = strpos($value, ';');
	371	$props = '';
	372	if ($pos > 0) {
	373	$type = trim(substr($value, 0, $pos));
	374	$props = trim(substr($type, $pos+1));
	375	} else {
	376	$type = $value;
	377	}
	378	$content_type = new ContentType($type);
	379	if ($props) {
	380	$properties = $this->parseProperties($props);
	381	if (!isset($properties['charset'])) {
	382	$properties['charset'] = 'us-ascii';
	383	}
	384	$content_type->properties = $this->parseProperties($props);
	385	}
	386	$this->content_type = $content_type;
	387	}
	388
	389	function parseProperties($value) {
	390	$propArray = explode(';', $value);
	391	$propResultArray = array();
	392	foreach ($propArray as $prop) {
	393	$prop = trim($prop);
	394	$pos = strpos($prop, '=');
	395	if ($pos > 0) {
	396	$key = trim(substr($prop, 0, $pos));
	397	$val = trim(substr($prop, $pos+1));
	398	if ($val{0} == '"') {
	399	$val = substr($val, 1, -1);
	400	}
	401	$propResultArray[$key] = $val;
	402	}
	403	}
	404	return $propResultArray;
	405	}
	406
	407	function parseDisposition($value) {
	408	$pos = strpos($value, ';');
	409	$props = '';
	410	if ($pos > 0) {
	411	$name = trim(substr($value, 0, $pos));
fc9269ec	412	$props = trim(substr($value, $pos+1));
19d470aa	413	} else {
	414	$name = $value;
	415	}
	416	$props_a = $this->parseProperties($props);
	417	$disp = new Disposition($name);
	418	$disp->properties = $props_a;
	419	$this->disposition = $disp;
	420	}
	421
	422	function mlist($field, $value) {
	423	$res_a = array();
	424	$value_a = explode(',', $value);
	425	foreach ($value_a as $val) {
	426	$val = trim($val);
	427	if ($val{0} == '<') {
	428	$val = substr($val, 1, -1);
	429	}
	430	if (substr($val, 0, 7) == 'mailto:') {
	431	$res_a['mailto'] = substr($val, 7);
	432	} else {
	433	$res_a['href'] = $val;
	434	}
	435	}
	436	$this->mlist[$field] = $res_a;
	437	}
	438
	439	/*
	440	* function to get the addres strings out of the header.
	441	* Arguments: string or array of strings !
	442	* example1: header->getAddr_s('to').
	443	* example2: header->getAddr_s(array('to', 'cc', 'bcc'))
	444	*/
	445	function getAddr_s($arr, $separator = ',') {
	446	$s = '';
	447
	448	if (is_array($arr)) {
	449	foreach($arr as $arg) {
	450	if ($this->getAddr_s($arg)) {
	451	$s .= $separator . $result;
	452	}
	453	}
	454	$s = ($s ? substr($s, 2) : $s);
	455	} else {
	456	eval('$addr = $this->' . $arr . ';') ;
	457	if (is_array($addr)) {
	458	foreach ($addr as $addr_o) {
	459	if (is_object($addr_o)) {
	460	$s .= $addr_o->getAddress() . $separator;
	461	}
	462	}
	463	$s = substr($s, 0, -strlen($separator));
	464	} else {
	465	if (is_object($addr)) {
	466	$s .= $addr->getAddress();
	467	}
	468	}
	469	}
	470	return $s;
	471	}
	472
	473	function getAddr_a($arg, $excl_arr = array(), $arr = array()) {
	474	if (is_array($arg)) {
	475	foreach($arg as $argument) {
	476	$arr = $this->getAddr_a($argument, $excl_arr, $arr);
477	}
478	} else {
479	eval('$addr = $this->' . $arg . ';') ;
480	if (is_array($addr)) {
481	foreach ($addr as $next_addr) {
482	if (is_object($next_addr)) {
483	if (isset($next_addr->host) && ($next_addr->host != '')) {
484	$email = $next_addr->mailbox . '@' . $next_addr->host;
485	} else {
486	$email = $next_addr->mailbox;
487	}
488	$email = strtolower($email);
489	if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
490	$arr[$email] = $next_addr->personal;
491	}
492	}
493	}
494	} else {
495	if (is_object($addr)) {
496	$email = $addr->mailbox;
497	$email .= (isset($addr->host) ? '@' . $addr->host : '');
498	$email = strtolower($email);
499	if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) {
500	$arr[$email] = $addr->personal;
501	}
502	}
503	}
504	}
505	return $arr;
506	}
d0719411	507
	508	function findAddress($address, $recurs = false) {
	509	$result = false;
	510	if (is_array($address)) {
	511	$i=0;
	512	foreach($address as $argument) {
	513	$match = $this->findAddress($argument, true);
	514	$last = end($match);
	515	if ($match[1]) {
	516	return $i;
	517	} else {
	518	if (count($match[0]) && !$result) {
	519	$result = $i;
	520	}
	521	}
	522	++$i;
	523	}
	524	} else {
03d73e64	525	if (!is_array($this->cc)) $this->cc = array();
d0719411	526	$srch_addr = $this->parseAddress($address);
	527	$results = array();
	528	foreach ($this->to as $to) {
	529	if ($to->host == $srch_addr->host) {
	530	if ($to->mailbox == $srch_addr->mailbox) {
	531	$results[] = $srch_addr;
	532	if ($to->personal == $srch_addr->personal) {
	533	if ($recurs) {
	534	return array($results, true);
	535	} else {
	536	return true;
	537	}
	538	}
	539	}
	540	}
	541	}
	542	foreach ($this->cc as $cc) {
	543	if ($cc->host == $srch_addr->host) {
	544	if ($cc->mailbox == $srch_addr->mailbox) {
	545	$results[] = $srch_addr;
	546	if ($cc->personal == $srch_addr->personal) {
	547	if ($recurs) {
	548	return array($results, true);
	549	} else {
	550	return true;
	551	}
	552	}
	553	}
	554	}
	555	}
	556	if ($recurs) {
	557	return array($results, false);
	558	} elseif (count($result)) {
	559	return true;
	560	} else {
	561	return false;
	562	}
	563	}
	564	return $result;
	565	}
19d470aa	566
	567	function getContentType($type0, $type1) {
	568	$type0 = $this->content_type->type0;
	569	$type1 = $this->content_type->type1;
	570	return $this->content_type->properties;
	571	}
	572	}
	573
	574	?>