X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=class%2Fmime.class.php;h=fc05bdb2cf996907d31dee7dbb5a36e5412d0986;hp=a28846920be2f665bf977cbb8194f1e7ad7e49a1;hb=09047d19fab2afd788d7ea6e493811393bf4c1a3;hpb=01d3a2900ae960b3dae4c4e54f708ce7accab532 diff --git a/class/mime.class.php b/class/mime.class.php index a2884692..fc05bdb2 100644 --- a/class/mime.class.php +++ b/class/mime.class.php @@ -3,1751 +3,26 @@ /** * mime.class * - * Copyright (c) 2002 The SquirrelMail Project Team + * Copyright (c) 2003-2005 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 + * @version $Id$ + * @package squirrelmail */ -class rfc822_header -{ - var $date = '', - $subject = '', - $from = array(), - $sender = '', - $reply_to = array(), - $to = array(), - $cc = array(), - $bcc = array(), - $in_reply_to = '', - $message_id = '', - $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); - $value = trim(substr($line,$pos+1)); - if(!preg_match('/^X.*/i',$field)) { - $value = $this->stripComments($value); - } - $this->parseField($field,$value); - } - } - if ($this->content_type == '') - { - $this->parseContentType('text/plain; charset=us-ascii'); - } - } - - function stripComments($value) - { - $cnt = strlen($value); - $s = ''; - $i = 0; - while ($i < $cnt) - { - switch ($value{$i}) - { - case ('"'): - $s .= '"'; - $i++; - while ($value{$i} != '"') - { - if ($value{$i} == '\\') - { - $s .= '\\'; - $i++; - } - $s .= $value{$i}; - $i++; - if ($i > $cnt) break; - } - $s .= $value{$i}; - break; - case ('('): - while ($value{$i} != ')') - { - if ($value{$i} == '\\') - { - $i++; - } - $i++; - } - break; - default: - $s .= $value{$i}; - break; - } - $i++; - } - return $s; - } - - function parseField($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 ('disposition-notification-to'): - $this->dnt = $this->parseAddress($value); - break; - case ('mime-Version'): - $value = str_replace(' ','',$value); - if ($value == '1.0') - { - $this->mime = true; - } - 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 ('user-agent'): - $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; - } - } - - function parseAddress($address, $ar=false, $addr_ar = array(), $group = '') - { - $pos = 0; - $j = strlen( $address ); - $name = ''; - $addr = ''; - while ( $pos < $j ) { - switch ($address{$pos}) - { - case ('"'): /* get the personal name */ - $pos++; - if ($address{$pos} == '"') - { - $pos++; - } else - { - while ( $pos < $j && $address{$pos} != '"') - { - if (substr($address, $pos, 2) == '\\"') - { - $name .= $address{$pos}; - $pos++; - } elseif (substr($address, $pos, 2) == '\\\\') - { - $name .= $address{$pos}; - $pos++; - } - $name .= $address{$pos}; - $pos++; - } - } - $pos++; - break; - case ('<'): /* get email address */ - $addr_start=$pos; - $pos++; - while ( $pos < $j && $address{$pos} != '>' ) - { - $addr .= $address{$pos}; - $pos++; - } - $pos++; - break; - case ('('): /* rip off comments */ - $addr_start=$pos; - $pos++; - while ( $pos < $j && $address{$pos} != ')' ) - { - $addr .= $address{$pos}; - $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; - $pos++; - break; - case (','): /* we reached a delimiter */ - if ($addr == '') - { - $addr = substr($address,0,$pos); - } elseif ($name == '') { - $name = trim(substr($address,0,$addr_start)); - } - - $at = strpos($addr, '@'); - $addr_structure = new address_structure(); - $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 - { - $addr_structure->mailbox = $addr; - } - $address = trim(substr($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 = ''; - $pos++; - break; - case (';'): - if ($group) - { - $address = substr($address, 0, $pos-1); - } - $pos++; - break; - default: - $pos++; - break; - } - - } - if ($addr == '') - { - $addr = substr($address,0,$pos); - } elseif ($name == '') - { - $name = trim(substr($address,0,$addr_start)); - } - $at = strpos($addr, '@'); - $addr_structure = new address_structure(); - $addr_structure->group = $group; - if ($at) - { - $addr_structure->mailbox = trim(substr($addr,0,$at)); - $addr_structure->host = trim(substr($addr,$at+1)); - } else - { - $addr_structure->mailbox = trim($addr); - } - if ($group && $addr == '') /* no addresses found in group */ - { - $name = "$group: Undisclosed recipients;"; - $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 ($addr_ar); - } else - { - return ($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; - } - $content_type = new content_type($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)); - $props = trim(substr($type,$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, $separator=', ') - { - if (is_array($arr)) - { - $s = ''; - foreach($arr as $arg ) - { - $result = $this->getAddr_s($arg); - if ($result) - { - $s .= $separator . $result; - } - } - if ($s) $s = substr($s,2); - return $s; - } else - { - $s = ''; - eval('$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); - } - return $arr; - } else - { - eval('$addr = $this->'.$arg.';') ; - if (is_array($addr)) - { - foreach ($addr as $addr_o) - { - if (is_object($addr_o)) - { - if (isset($addr_o->host) && $addr_o->host !='') - { - $email = $addr_o->mailbox.'@'.$addr_o->host; - } else - { - $email = $addr_o->mailbox; - } - $email = strtolower($email); - if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) - { - $arr[$email] = $addr_o->personal; - } - } - } - } else - { - if (is_object($addr)) - { - if (isset($addr->host)) - { - $email = $addr->mailbox.'@'.$addr->host; - } else - { - $email = $addr->mailbox; - } - $email = strtolower($email); - if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) - { - $arr[$email] = $addr->personal; - } - } - } - return $arr; - } - } - - function getContentType($type0, $type1) - { - $type0 = $this->content_type->type0; - $type1 = $this->content_type->type1; - return $this->content_type->properties; - } -} - -class msg_header -{ - /** msg_header contains all variables available in a bodystructure **/ - /** entity like described in rfc2060 **/ - - var $type0 = '', - $type1 = '', - $parameters = array(), - $id = 0, - $description = '', - $encoding='', - $size = 0, - $md5='', - $disposition = '', - $language=''; - - /* - * returns addres_list of supplied argument - * arguments: array('to', 'from', ...) or just a string like 'to'. - * result: string: address1, addres2, .... - */ - - function setVar($var, $value) - { - $this->{$var} = $value; - } - - function getParameter($par) - { - $value = strtolower($par); - if (isset($this->parameters[$par])) - { - return $this->parameters[$par]; - } - return ''; - } - - function setParameter($parameter, $value) - { - $this->parameters[strtolower($parameter)] = $value; - } -} - - - -class address_structure -{ - var $personal = '', $adl = '', $mailbox = '', $host = '', $group = ''; - - function getAddress($full=true) - { - if (is_object($this)) - { - if (isset($this->host) && $this->host !='') - { - $email = $this->mailbox.'@'.$this->host; - } else - { - $email = $this->mailbox; - } - if (trim($this->personal) !='') - { - if ($email) - { - $addr = '"' . $this->personal . '" <' .$email.'>'; - } else - { - $addr = $this->personal; - } - $best_dpl = $this->personal; - } else - { - $addr = $email; - $best_dpl = $email; - } - if ($full) - { - return $addr; - } else - { - return $best_dpl; - } - } else return ''; - } -} - -class message -{ - /** message is the object that contains messages. It is a recursive - object in that through the $entities variable, it can contain - more objects of type message. See documentation in mime.txt for - a better description of how this works. - **/ - var $rfc822_header = '', - $mime_header = '', - $flags = '', - $type0='', - $type1='', - $entities = array(), - $parent_ent, $entity, - $parent = '', $decoded_body='', - $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, - $is_mdnsent = 0, - $body_part = '', - $offset = 0, /* for fetching body parts out of raw messages */ - $length = 0; /* for fetching body parts out of raw messages */ - - function setEnt($ent) - { - $this->entity_id= $ent; - } - - function addEntity ($msg) - { - $msg->parent = &$this; - $this->entities[] = $msg; - } - - function getFilename() - { - $filename = ''; - if (is_object($this->header->disposition)) - { - $filename = $this->header->disposition->getproperty('filename'); - if (!$filename) - { - $filename = $this->header->disposition->getproperty('name'); - } - } - if (!$filename) - { - $filename = 'untitled-'.$this->entity_id; - } - return $filename; - } - - - function addRFC822Header($read) - { - $header = new rfc822_header(); - $this->rfc822_header = $header->parseHeader($read); - } - - function getEntity($ent) - { - $cur_ent = $this->entity_id; - $msg = $this; - if ($cur_ent == '' || $cur_ent == '0') - { - $cur_ent_a = array(); - } else - { - $cur_ent_a = explode('.',$this->entity_id); - } - $ent_a = explode('.',$ent); - - $cnt = count($ent_a); - - for ($i=0;$i<$cnt -1;$i++) - { - if (isset($cur_ent_a[$i]) && $cur_ent_a[$i] != $ent_a[$i]) - { - $msg = $msg->parent; - $cur_ent_a = explode('.',$msg->entity_id); - $i--; - } else if (!isset($cur_ent_a[$i])) - { - if (isset($msg->entities[($ent_a[$i]-1)])) - { - $msg = $msg->entities[($ent_a[$i]-1)]; - } else { - $msg = $msg->entities[0]; - } - } - if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') - { - /*this is a header for a message/rfc822 entity */ - $msg = $msg->entities[0]; - } - } - - if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') - { - /*this is a header for a message/rfc822 entity */ - $msg = $msg->entities[0]; - } - - if (isset($msg->entities[($ent_a[$cnt-1])-1])) - { - if (is_object($msg->entities[($ent_a[$cnt-1])-1])) - { - $msg = $msg->entities[($ent_a[$cnt-1]-1)]; - } - } - - return $msg; - } - - function setBody($s) - { - $this->body_part = $s; - } - - function clean_up() - { - $msg = $this; - $msg->body_part = ''; - $i=0; - while ( isset($msg->entities[$i])) - { - $msg->entities[$i]->clean_up(); - $i++; - } - } - - function getMailbox() - { - $msg = $this; - while (is_object($msg->parent)) - { - $msg = $msg->parent; - } - return $msg->mailbox; - } - - function calcEntity($msg) - { - if ($this->type0 == 'message' && $this->type1 == 'rfc822') - { - $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ - } else if (isset($this->entity_id) && $this->entity_id !='') - { - $ent_no = count($this->entities)+1; - $par_ent = substr($this->entity_id,-2); - if ($par_ent{0} == '.') - { - $par_ent = $par_ent{1}; - } - if ($par_ent == '0') - { - $ent_no = count($this->entities)+1; - if ($ent_no > 0) - { - $ent = substr($this->entity_id,0,strrpos($this->entity_id,'.')); - if ($ent) - { - $ent = $ent . ".$ent_no"; - } else - { - $ent = $ent_no; - } - $msg->entity_id = $ent; - } else - { - $msg->entity_id = $ent_no; - } - } else - { - $ent = $this->entity_id . ".$ent_no"; - $msg->entity_id = $ent; - } - } else - { - $msg->entity_id = '0'; - } - return $msg->entity_id; - } - - - /* - * Bodystructure parser, a recursive function for generating the - * entity-tree with all the mime-parts. - * - * It follows RFC2060 and stores all the described fields in the - * message object. - * - * Question/Bugs: - * - * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net. - * - */ - function parseStructure($read, $i=0) - { - $arg_no = 0; - $arg_a = array(); - $cnt = strlen($read); - while ($i < $cnt) - { - $char = strtoupper($read{$i}); - switch ($char) - { - case '(': - if ($arg_no == 0 ) - { - if (!isset($msg)) - { - $msg = new message(); - $hdr = new msg_header(); - $hdr->type0 = 'text'; - $hdr->type1 = 'plain'; - $hdr->encoding = 'us-ascii'; - $msg->entity_id = $this->calcEntity($msg); - } else - { - $msg->header->type0 = 'multipart'; - $msg->type0 = 'multipart'; - while ($read{$i} == '(') - { - $res = $msg->parseStructure($read,$i); - $i = $res[1]; - $msg->addEntity($res[0]); - } - } - } else - { - switch ($arg_no) - { - case 1: - /* multipart properties */ - $i++; - $res = $this->parseProperties($read,$i); - - $arg_a[] = $res[0]; - $i = $res[1]; - $arg_no++; - break; - case 2: - if (isset($msg->type0) && $msg->type0 == 'multipart') - { - $i++; - $res = $msg->parseDisposition($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } else /* properties */ - { - $res = $msg->parseProperties($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } - $arg_no++; - break; - case 3: - if (isset($msg->type0) && $msg->type0 == 'multipart') - { - $i++; - $res= $msg->parseLanguage($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } - case 7: - if ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822') - { - $msg->header->type0 = $arg_a[0]; - $msg->type0 = $arg_a[0]; - $msg->header->type1 = $arg_a[1]; - $msg->type1 = $arg_a[1]; - $rfc822_hdr = new rfc822_header(); - $res = $msg->parseEnvelope($read,$i,$rfc822_hdr); - $i = $res[1]; - $msg->rfc822_header = $res[0]; - $i++; - while ($i < $cnt && $read{$i} != '(') - { - $i++; - } - $res = $msg->parseStructure($read,$i); - $i = $res[1]; - $msg->addEntity($res[0]); - } - break; - case 8: - $i++; - $res = $msg->parseDisposition($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - $arg_no++; - break; - case 9: - if ($arg_a[0] == 'text' || - ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) - { - $i++; - $res = $msg->parseDisposition($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } else - { - $i++; - $res = $msg->parseLanguage($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } - $arg_no++; - break; - case 10: - if ($arg_a[0] == 'text' || - ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) - { - $i++; - $res = $msg->parseLanguage($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - } else - { - $i = $msg->parseParenthesis($read,$i); - $arg_a[] = ''; /* not yet desribed in rfc2060 */ - } - $arg_no++; - break; - default: - /* unknown argument, skip this part */ - $i = $msg->parseParenthesis($read,$i); - $arg_a[] = ''; - $arg_no++; - break; - } /* switch */ - } - break; - case '"': - /* inside an entity -> start processing */ - $debug = substr($read,$i,20); - $res = $msg->parseQuote($read,$i); - $arg_s = $res[0]; - $i = $res[1]; - $arg_no++; - if ($arg_no < 3) $arg_s = strtolower($arg_s); /* type0 and type1 */ - $arg_a[] = $arg_s; - break; - case 'n': - case 'N': - /* probably NIL argument */ - if (strtoupper(substr($read,$i,4)) == 'NIL ' || - strtoupper(substr($read,$i,4)) == 'NIL)') - { - $arg_a[] = ''; - $arg_no++; - $i = $i+2; - } - break; - case '{': - /* process the literal value */ - $res = $msg->parseLiteral($read,$i); - $arg_s = $res[0]; - $i = $res[1]; - $arg_no++; - break; - case (is_numeric($read{$i}) ): - /* process integers */ - if ($read{$i} == ' ') break; - $arg_s = $read{$i};; - $i++; - while (preg_match('/^[0-9]{1}$/',$read{$i})) - { - $arg_s .= $read{$i}; - $i++; - } - $arg_no++; - $arg_a[] = $arg_s; - break; - case ')': - if (isset($msg->type0) && $msg->type0 == 'multipart') - { - $multipart = true; - } else - { - $multipart = false; - } - if (!$multipart) - { - if ($arg_a[0] == 'text' || - ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) - { - $shifted_args = true; - } else - { - $shifted_args = false; - } - $hdr->type0 = $arg_a[0]; - $hdr->type1 = $arg_a[1]; - - $msg->type0 = $arg_a[0]; - $msg->type1 = $arg_a[1]; - - $arr = $arg_a[2]; - if (is_array($arr)) - { - $hdr->parameters = $arg_a[2]; - } - $hdr->id = str_replace( '<', '', str_replace( '>', '', $arg_a[3] ) ); - $hdr->description = $arg_a[4]; - $hdr->encoding = strtolower($arg_a[5]); - $hdr->entity_id = $msg->entity_id; - $hdr->size = $arg_a[6]; - if ($shifted_args) - { - $hdr->lines = $arg_a[7]; - if (isset($arg_a[8])) - { - $hdr->md5 = $arg_a[8]; - } - if (isset($arg_a[9])) - { - $hdr->disposition = $arg_a[9]; - } - if (isset($arg_a[10])) - { - $hdr->language = $arg_a[10]; - } - } else - { - if (isset($arg_a[7])) - { - $hdr->md5 = $arg_a[7]; - } - if (isset($arg_a[8])) - { - $hdr->disposition = $arg_a[8]; - } - if (isset($arg_a[9])) - { - $hdr->language = $arg_a[9]; - } - } - $msg->header = $hdr; - $arg_no = 0; - $i++; - if (substr($msg->entity_id,-2) == '.0' && $msg->type0 !='multipart') - { - $msg->entity_id++; - } - return (array($msg, $i)); - } else - { - $hdr->type0 = 'multipart'; - $hdr->type1 = $arg_a[0]; - $msg->type0 = 'multipart'; - $msg->type1 = $arg_a[0]; - if (is_array($arg_a[1])) - { - $hdr->parameters = $arg_a[1]; - } - if (isset($arg_a[2])) - { - $hdr->disposition = $arg_a[2]; - } - if (isset($arg_a[3])) - { - $hdr->language = $arg_a[3]; - } - $msg->header = $hdr; - return (array($msg, $i)); - } - default: - break; - } /* switch */ - $i++; - } /* while */ - } /* parsestructure */ - - function parseProperties($read, $i) - { - $properties = array(); - $arg_s = ''; - $prop_name = ''; - while ($read{$i} != ')') - { - if ($read{$i} == '"') - { - $res = $this->parseQuote($read,$i); - $arg_s = $res[0]; - $i = $res[1]; - } else if ($read{$i} == '{') - { - $res = $this->parseLiteral($read,$i); - $arg_s = $res[0]; - $i = $res[1]; - } - if ($prop_name == '' && $arg_s) - { - $prop_name = strtolower($arg_s); - $properties[$prop_name] = ''; - $arg_s = ''; - } elseif ($prop_name != '' && $arg_s != '') - { - $properties[$prop_name] = $arg_s; - $prop_name = ''; - $arg_s = ''; - } - $i++; - } - return (array($properties, $i)); - } - - function parseEnvelope($read, $i, $hdr) - { - $arg_no = 0; - $arg_a = array(); - $cnt = strlen($read); - while ($i< $cnt && $read{$i} != ')') - { - $i++; - $char = strtoupper($read{$i}); - switch ($char) - { - case '"': - $res = $this->parseQuote($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - $arg_no++; - break; - case '{': - $res = $this->parseLiteral($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - $arg_no++; - break; - case 'N': - /* probably NIL argument */ - if (strtoupper(substr($read,$i,3)) == 'NIL') { - $arg_a[] = ''; - $arg_no++; - $i = $i+2; - } - break; - case '(': - /* Address structure - * With group support. - * Note: Group support is useless on SMTP connections - * because the protocol doesn't support it - */ - $addr_a = array(); - $group = ''; - $a=0; - while ($i < $cnt && $read{$i} != ')') - { - if ($read{$i} == '(') - { - $res = $this->parseAddress($read,$i); - $addr = $res[0]; - $i = $res[1]; - if ($addr->host == '' && $addr->mailbox != '') - { - /* start of group */ - $group = $addr->mailbox; - $group_addr = $addr; - $j = $a; - } elseif ($group && $addr->host == '' && $addr->mailbox == '') - { - /* end group */ - if ($a == $j+1) /* no group members */ - { - $group_addr->group = $group; - $group_addr->mailbox = ''; - $group_addr->personal = "$group: Undisclosed recipients;"; - $addr_a[] = $group_addr; - $group =''; - } - } else - { - $addr->group = $group; - $addr_a[] = $addr; - } - $a++; - } - $i++; - } - $arg_a[] = $addr_a; - break; - default: - break; - } - $i++; - } - if (count($arg_a) > 9) - { - /* argument 1: date */ - $d = strtr($arg_a[0], array(' ' => ' ')); - $d = explode(' ', $d); - $hdr->date = getTimeStamp($d); - /* argument 2: subject */ - if (!trim($arg_a[1])) - { - $arg_a[1]= _("(no subject)"); - } - $hdr->subject = $arg_a[1]; - /* argument 3: from */ - $hdr->from = $arg_a[2][0]; - /* argument 4: sender */ - $hdr->sender = $arg_a[3][0]; - /* argument 5: reply-to */ - $hdr->replyto = $arg_a[4][0]; - /* argument 6: to */ - $hdr->to = $arg_a[5]; - /* argument 7: cc */ - $hdr->cc = $arg_a[6]; - /* argument 8: bcc */ - $hdr->bcc = $arg_a[7]; - /* argument 9: in-reply-to */ - $hdr->inreplyto = $arg_a[8]; - /* argument 10: message-id */ - $hdr->message_id = $arg_a[9]; - } - return (array($hdr,$i)); - } - - function parseLiteral($read, $i) - { - $lit_cnt = ''; - $i++; - while ($read{$i} != '}') - { - $lit_cnt .= $read{$i}; - $i++; - } - $lit_cnt +=2; /* add the { and } characters */ - $s = ''; - for ($j = 0; $j < $lit_cnt; $j++) - { - $i++; - $s .= $read{$i}; - } - return (array($s, $i)); - } - - function parseQuote($read, $i) - { - $i++; - $s = ''; - while ($read{$i} != '"') - { - if ($read{$i} == '\\') - { - $i++; - } - $s .= $read{$i}; - $i++; - } - return (array($s, $i)); - } - - function parseAddress($read, $i) - { - $arg_a = array(); - while ($read{$i} != ')' ) - { - $char = strtoupper($read{$i}); - switch ($char) - { - case '"': - $res = $this->parseQuote($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case '{': - $res = $this->parseLiteral($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case 'n': - case 'N': - if (strtoupper(substr($read,$i,3)) == 'NIL') { - $arg_a[] = ''; - $i = $i+2; - } - break; - default: - break; - } - $i++; - } - if (count($arg_a) == 4) - { - $adr = new address_structure(); - $adr->personal = $arg_a[0]; - $adr->adl = $arg_a[1]; - $adr->mailbox = $arg_a[2]; - $adr->host = $arg_a[3]; - } else - { - $adr = ''; - } - return (array($adr,$i)); - } - - function parseDisposition($read,$i) - { - $arg_a = array(); - while ($read{$i} != ')') - { - switch ($read{$i}) - { - case '"': - $res = $this->parseQuote($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case '{': - $res = $this->parseLiteral($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case '(': - $res = $this->parseProperties($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - default: - break; - } - $i++; - } - if (isset($arg_a[0])) - { - $disp = new disposition($arg_a[0]); - if (isset($arg_a[1])) - { - $disp->properties = $arg_a[1]; - } - } - if (is_object($disp)) - { - return (array($disp, $i)); - } else - { - return (array('',$i)); - } - } - - function parseLanguage($read,$i) - { - /* no idea how to process this one without examples */ - $arg_a = array(); - while ($read{$i} != ')') - { - switch ($read{$i}) - { - case '"': - $res = $this->parseQuote($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case '{': - $res = $this->parseLiteral($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - case '(': - $res = $this->parseProperties($read,$i); - $arg_a[] = $res[0]; - $i = $res[1]; - break; - default: - break; - } - $i++; - } - if (isset($arg_a[0])) - { - $lang = new language($arg_a[0]); - if (isset($arg_a[1])) - { - $lang->properties = $arg_a[1]; - } - } - if (is_object($lang)) - { - return (array($lang, $i)); - } else - { - return (array('', $i)); - } - } - - function parseParenthesis($read,$i) - { - while ($read{$i} != ')') - { - switch ($read{$i}) - { - case '"': - $res = $this->parseQuote($read,$i); - $i = $res[1]; - break; - case '{': - $res = $this->parseLiteral($read,$i); - $i = $res[1]; - break; - case '(': - $res = $this->parseParenthesis($read,$i); - $i = $res[1]; - break; - default: - break; - } - $i++; - } - return $i; - } - - /* function to fill the message structure in case the bodystructure - isn't available NOT FINISHED YET - */ - function parseMessage($read, $type0, $type1) - { - switch ($type0) - { - case 'message': - $rfc822_header = true; - $mime_header = false; - break; - case 'multipart': - $mime_header = true; - $rfc822_header = false; - break; - default: - return $read; - } - - for ($i=1; $i < $count; $i++) - { - $line = trim($body[$i]); - if ( ( $mime_header || $rfc822_header) && - (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i",$line,$reg)) ) - { - $bnd = $reg[1]; - $bndreg = $bnd; - $bndreg = str_replace("\\","\\\\",$bndreg); - $bndreg = str_replace("?","\\?",$bndreg); - $bndreg = str_replace("+","\\+",$bndreg); - $bndreg = str_replace(".","\\.",$bndreg); - $bndreg = str_replace("/","\\/",$bndreg); - $bndreg = str_replace("-","\\-",$bndreg); - $bndreg = str_replace("(","\\(",$bndreg); - $bndreg = str_replace(")","\\)",$bndreg); - } elseif ( $rfc822_header && $line == '' ) - { - $rfc822_header = false; - if ($msg->type0 == 'multipart') - { - $mime_header = true; - } - } - - if (($line{0} == '-' || $rfc822_header) && isset($boundaries[0])) - { - $cnt=count($boundaries)-1; - $bnd = $boundaries[$cnt]['bnd']; - $bndreg = $boundaries[$cnt]['bndreg']; - - $regstr = '/^--'."($bndreg)".".*".'/'; - if (preg_match($regstr,$line,$reg) ) - { - $bndlen = strlen($reg[1]); - $bndend = false; - if (strlen($line) > ($bndlen + 3)) - { - if ($line{$bndlen+2} == '-' && $line{$bndlen+3} == '-') - $bndend = true; - } - if ($bndend) - { - /* calc offset and return $msg */ - // $entStr = CalcEntity("$entStr",-1); - array_pop($boundaries); - $mime_header = true; - $bnd_end = true; - } else - { - $mime_header = true; - $bnd_end = false; -// $entStr = CalcEntity("$entStr",0); - $content_indx++; - } - } else - { - if ($header) - { - } - } - } - } - } - - function findDisplayEntity ($entity = array(), $alt_order = array('text/plain','text/html')) - { - $found = false; - $type = $this->type0.'/'.$this->type1; - if ( $type == 'multipart/alternative') - { - $msg = $this->findAlternativeEntity($alt_order); - if (count($msg->entities) == 0) - { - $entity[] = $msg->entity_id; - } else - { - $entity = $msg->findDisplayEntity($entity, $alt_order); - } - $found = true; - } else if ( $type == 'multipart/related') - { - $msgs = $this->findRelatedEntity(); - foreach ($msgs as $msg) - { - if (count($msg->entities) == 0) - { - $entity[] = $msg->entity_id; - } else - { - $entity = $msg->findDisplayEntity($entity,$alt_order); - } - } - if (count($msgs) > 0) { - $found = true; - } - } else if ($this->type0 == 'text' && - ($this->type1 == 'plain' || - $this->type1 == 'html' || - $this->type1 == 'message') && - isset($this->entity_id) ) - { - if (count($this->entities) == 0) - { - if (strtolower($this->header->disposition->name) != 'attachment') - { - $entity[] = $this->entity_id; - } - } - } - $i = 0; - if(!$found) { - foreach ($this->entities as $ent) { - if(strtolower($ent->header->disposition->name) != 'attachment' && - ($ent->type0 != 'message' && $ent->type1 != 'rfc822')) - { - $entity = $ent->findDisplayEntity($entity, $alt_order); - } - } - } - /* - while ( isset($this->entities[$i]) && !$found && - (strtolower($this->entities[$i]->header->disposition->name) - != 'attachment') && - ($this->entities[$i]->type0 != 'message' && - $this->entities[$i]->type1 != 'rfc822' ) - ) - { - $entity = $this->entities[$i]->findDisplayEntity($entity, $alt_order); - $i++; - } - */ - return( $entity ); - } - - function findAlternativeEntity ($alt_order) - { - /* if we are dealing with alternative parts then we choose the best - * viewable message supported by SM. - */ - $best_view = 0; - $entity = array(); - $altcount = count($alt_order); - foreach($this->entities as $ent) - { - $type = $ent->header->type0.'/'.$ent->header->type1; - if ($type == 'multipart/related') - { - $type = $ent->header->getParameter('type'); - } - for ($j = $best_view; $j < $altcount; $j++) - { - if ($alt_order[$j] == $type && $j >= $best_view) - { - $best_view = $j; - $entity = $ent; - } - } - } - return $entity; - } - - function findRelatedEntity () - { - $msgs = array(); - $entcount = count($this->entities); - for ($i = 0; $i < $entcount; $i++) - { - $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; - if ($this->header->getParameter('type') == $type) - { - $msgs[] = $this->entities[$i]; - } - } - return $msgs; - } - - function getAttachments($exclude_id=array(), $result = array()) - { - if ($this->type0 == 'message' && $this->type1 == 'rfc822') - { - $this = $this->entities[0]; - } - if (count($this->entities)) - { - foreach ($this->entities as $entity) - { - $exclude = false; - foreach ($exclude_id as $excl) - { - if ($entity->entity_id === $excl) - { - $exclude = true; - } - } - if (!$exclude) - { - if ($entity->type0 == 'multipart' && - $entity->type1 != 'related') - { - $result = $entity->getAttachments($exclude_id, $result); - } else if ($entity->type0 != 'multipart') - { - $result[] = $entity; - } - } - } - } else - { - $exclude = false; - foreach ($exclude_id as $excl) - { - if ($this->entity_id == $excl) - { - $exclude = true; - } - } - if (!$exclude) - { - $result[] = $this; - } - } - return $result; - } -} - -class smime_message -{ -} - -class disposition -{ - function disposition($name) - { - $this->name = $name; - $this->properties = array(); - } - - function getProperty($par) - { - $value = strtolower($par); - if (isset($this->properties[$par])) - { - return $this->properties[$par]; - } - return ''; - } - -} - -class language -{ - function language($name) - { - $this->name = $name; - $this->properties = array(); - } -} -class content_type -{ - var $type0='text', - $type1='plain', - $properties=''; - function content_type($type) - { - $pos = strpos($type,'/'); - if ($pos > 0) - { - $this->type0 = substr($type,0,$pos); - $this->type1 = substr($type,$pos+1); - } else - { - $this->type0 = $type; - } - $this->properties = array(); - } -} +/** @ignore */ +if (! defined('SM_PATH')) define('SM_PATH','../'); + +/** Load in the entire MIME system */ +require_once(SM_PATH . 'class/mime/Rfc822Header.class.php'); +require_once(SM_PATH . 'class/mime/MessageHeader.class.php'); +require_once(SM_PATH . 'class/mime/AddressStructure.class.php'); +require_once(SM_PATH . 'class/mime/Message.class.php'); +require_once(SM_PATH . 'class/mime/SMimeMessage.class.php'); +require_once(SM_PATH . 'class/mime/Disposition.class.php'); +require_once(SM_PATH . 'class/mime/Language.class.php'); +require_once(SM_PATH . 'class/mime/ContentType.class.php'); ?> \ No newline at end of file