エンコーディング
class mime_decode {
var $content = Array();
function mime_encode_headers($string) {
if($string == "") return;
if(!eregi("^([[:print :]]*)$",$string))
$string = "=?ISO-8859-1?Q?".str_replace("+","_",str_replace("%","=",urlencode) ($string)))."?=";
return $string;
}
function decode_mime_string($string) {
if(($pos = strpos($string,"=?")) === false ) return $string;
while(!($pos === false)) {
$newresult .= substr($string,0,$pos);
$string = substr($string,$pos+2,strlen ($string));
$intpos = strpos($string,"?");
$charset = substr($string,0,$intpos);
$enctype = strto lower(substr($string,$intpos+1) ,1));
$string = substr($string,$intpos+3,strlen($string));
$endpos = strpos($string,"?=");
$mystring = substr($string, 0,$endpos);
$string = substr($string,$endpos+2,strlen($string));
if($enctype == "q") {
$mystring = str_replace("_"," ",$mystring);
$mystring = $this->decode_qp($mystring);
else if ($enctype == "b")
$mystring = Base64_decode($mystring);
$newresult .= $mystring;
$pos($string,"= ?");
}
戻る$newresult.$string;
}
function decode_header($header) {
$headers =explode("rn",$header);
$decodedheaders = Array();
for($i=0;$i< count($headers);$i++) {
$thisheader = $headers[$i];
if(strpos($thisheader,": ") === false) {
$decodedheaders[$lasthead] .= " $ thisheader";
} else {
$dbpoint = strpos($thisheader,": ");
$headname = substr($thisheader,0,$dbpoint));
$headvalue = トリム(substr($thisheader, $dbpoint+1));
if($decodedheaders[$headname] != "") $decodedheaders[$headname] .= "; $headvalue";
else $decodedheaders[$headname] = $headvalue;
$lasthead = $headname;
}
}
return $decodedheaders;
}
function fetch_ Structure($email) {
$ARemail = Array();
$separador = "rnrn";
$header = トリム(substr($email,0,strpos($email,$separador)));
$bodypos = strlen($header)+strlen($separador);
$body = substr($email,$bodypos,strlen($email)-$bodypos);
$ARemail["header"] = $header; $ARemail["body"] = $body;
return $ARemail;
}
function get_names($strmail) {
$ARfrom = Array();
$strmail =tripslashes(ereg_replace("t","", ereg_replace("n","",ereg_replace("r","",$strmail))));
if(trim($strmail) == "") return $ARfrom;
$armail = Array() ;
$counter = 0; $inthechar = 0;
$chartosplit = ",;"; $protectchar = """; $temp = "";
$lt = "<"; $gt = ">";
$closed = 1;
for($i=0;$i $thischar = $strmail[$i];
if($thischar == $lt && $closed) $closed = 0;
if($thischar == $gt && !$closed ) $closed = 1;
if($thischar == $protectchar) $inthechar = ($inthechar)?0:1;
if(!(strpos($chartosplit,$thischar) === false) && !$inthechar && $closed) {
$armail[] = $temp; $temp = "";
} else
$temp .= $thischar;
}
if(trim ($temp) != "")
$armail [] = トリム($temp);
for($i=0;$i $thisPart = トリム(eregi_replace("^"(.*)"$", "\1", trim($armail[$i])));
if($thisPart != "") {
if (eregi("(.*)<(.*)>", $thisPart , $regs)) {
$email = trim($regs[2]);
$name =rim($regs[1]);
} else {
if (エレギ("([-a-z0-9_ $+.]+@[-a-z0-9_.]+[-a-z0-9_]+)((.*))", $thisPart, $regs)) {
$email = $regs[1 ];
$name = $regs[2];
} else
$email = $thisPart;
}
$email = eregi_replace("^$", "\1", $email );
$name = eregi_replace("^"(.*)"$", "\1", Trim($name));
$name = eregi_replace("^((.*))$", "\1", $name);
if ($name == "") $name = $email;
if ($email == "") $email = $name;
$ARfrom[$i]["name"] = $ this->decode_mime_string($name);
$ARfrom[$i]["mail"] = $email;
unset($name);unset($email);
}
}
$ARfrom を返す;
}
function build_alternative_body($ctype,$body) {
global $mime_show_html;
$boundary = $this->get_boundary($ctype);
$part = $this->split_parts($boundary,$body);
$thispart = ($mime_show_html)?$part[1]:$part[0];
$email = $this->fetch_struction($thispart);
$header = $email["header"];
$ body = $email["body"];
$headers = $this->decode_header($header);
$body = $this->compile_body($body,$headers["content-transfer-encoding"] );
return $body;
}
function build_popular_body($ctype,$body) {
global $mime_show_html,$sid,$lid,$ix,$folder;
$Rtype =rim(substr($ctype,strpos) ($ctype,"type=")+5,strlen($ctype)));
if(strpos($Rtype,";") != 0)
$Rtype = substr($Rtype,0,strpos( $Rtype,";"));
if(substr($Rtype,0,1) == """ && substr($Rtype,-1) == """)
$Rtype = substr($Rtype, 1,strlen($Rtype)-2);
$boundary = $this->get_boundary($ctype);
$part = $this->split_parts($boundary,$body);
for($ i=0;$i $email = $this->fetch_ Structure($part[$i]);
$header = $email["header"];
$ body = $email["body"];
$headers = $this->decode_header($header);
$ctype = $headers["content-type"];
$cid = $headers["content-id "];
$Actype = split(";",$headers["content-type"]);
$types = split("/",$Actype[0]); $rctype = strto lower($Actype[0]);
if($rctype == "マルチパート/代替")
$msgbody = $this->build_alternative_body($ctype,$body);
elseif($rctype) == "text/plain" && strpos($headers["content-disposition"],"name") === false) {
$body = $this->compile_body($body,$headers["content-transfer-エンコーディング"]);
$msgbody = $this->build_text_body($body);
} elseif($rctype == "text/html" && strpos($headers["content-disposition"],"name") === false) {
$body = $this->compile_body($body,$headers["content-transfer-encoding"]);
if(!$mime_show_html) $body = $this->build_text_body(strip_tags($body)) ;
$msgbody = $body;
} else {
$thisattach = $this->build_attach($header,$body,$boundary,$i);
if( $cid != "") {
if( substr($cid,0,1) == "<" && substr($cid,-1) == ">")
$cid = substr($cid,1,strlen($cid)-2) ;
$cid = "cid:$cid";
$thisfile = "download.php?sid=$sid&lid=$lid&folder=".urlencode($folder)."&ix=".$ix."&bound="。 base64_encode($thisattach["boundary"])."&part=".$thisattach["part"]."&filename=".urlencode($thisattach["name"]);
$msgbody = str_replace($cid,$ thisfile,$msgbody);
}
}
return $msgbody;
}
function linesize($message="", $length=70) {
$line =explode("rn",$message);
unset($message);
for ($i=0 ;$i <;カウント($line); $i++) {
$line_part =explode(" ",trim($line[$i]));
unset($buf);
for ($e = 0; $e $buf_o = $buf;
if ($e == 0) $buf .= $line_part[$e];
else $buf .= " ".$line_part[$e];
if (strlen( $buf) > $length と $buf_o != "") {
$message .= "$buf_orn";
$buf = $line_part[$e];
}
}
$message .= "$bufrn" ;
}
return($message);
}
function build_text_body($body) {
return "n
".$this->gt;make_link_clickable($this->gt;linesize(htmlspecialchars($body),85 ))."
n";
}
function decode_qp($text) {
$text = quote_printable_decode($text);
/*
$text = str_replace("r","",$text);
$text = ereg_replace("=n", "", $text);
$text = str_replace("n","rn",$text );
*/
$text = ereg_replace("=r", "r", $text);
return $text;
}
function make_link_clickable($text){
$text = ([[ :alnum:]]+)://([^[:space:]]*)([[:alnum:]#?/&=])",
"
\1://\2\3", $text);
$text = eregi_replace("([0-9a-z ]([-_.]?[0-9a-z])*@[0-9a-z]([-.]?[0-9a-z])*\.[a-z]{2,3} )","
\1", $text);
return $text;
}
function process_message($header,$body) {
global $mime_show_html;
$mail_info = $this->get_mail_info($header);
$ctype = $mail_info["content-type"];
$ctenc = $ mail_info["content-transfer-encoding"];
if($ctype == "") $ctype = "text/plain";
$type = $ctype;
$ctype = split(";", $ctype);
$types = split("/",$ctype[0]);
$maintype = strto lower($types[0]);
$subtype = strto lower($types[1]);
switch($maintype) {
case "text":
$body = $this->compile_body($body,$ctenc);
switch($subtype) {
case "html":
if(!$mime_show_html)
$body = $this->build_text_body(strip_tags($body));
$msgbody = $body;
break;
デフォルト:
$msgbody = $this->build_text_body($body);
break;
}
break;
case "multipart":
switch($subtype) {
case "mixed":
$boundary = $this->get_boundary($type) ;
$part = $this->split_parts($境界,$body);
for($i=0;$i
$thispart = トリム($part[$i]);
if($this部分 != "") {
$email = $this->fetch_struct($thispart);
$header = $email["header"];
$body = $email["body"];
$headers = $this->decode_header($header);
$ctype = $headers["コンテンツタイプ" ];
$Actype = split(";",$headers["content-type"]);
$types = split("/",$Actype[0]); $rctype = strto lower($Actype[0]);
if($rctype == "マルチパート/代替")
$msgbody = $this->build_alternative_body ($ctype,$body);
elseif($rctype = = "text/plain" && strpos($headers["content-disposition"],"name") === false) {
$msgbody = $this->build_text_body($this->compile_body($body, $headers["content-transfer-encoding"]));
elseif($rctype == "text/html" && strpos($headers["content-disposition"],"name") === false) {
$body = $this->compile_body($body,$headers["content-transfer-encoding"]);
if(!$mime_show_html)
$body = $this->build_text_body(strip_tags($body) );
$msgbody = $body;
elseif($rctype == "multipart/popular" && strpos($headers["content-disposition"],"name") === false) {
$msgbody = $ this->build_popular_body($ctype,$body);
else {
$thisattach = $this->build_attach($header,$body,$boundary,$i);
}
}
}
休憩。
ケース "代替":
$msgbody = $this->build_alternative_body($ctype[1],$body);
Break;
ケース "関連":
$msgbody = $this->build_popular_body($type,$body);
break;
default:
$thisattach = $this->build_attach($header,$body," ",0);
}
break;
default:
$thisattach = $this->build_attach($header,$body,"",0);
}
return $msgbody;
}
function build_attach( $header,$body,$boundary,$part) {
global $mail,$temporary_directory,$userfolder;
$headers = $this->decode_header($header);
$cdisp = $headers["content-性質"];
$ctype = $headers["content-type"]; $ctype2 =explode(";",$ctype); $ctype2 = $ctype2[0];
$Atype = split("/",$ctype);
$Acdisp = Split(";",$cdisp);
$tenc = $headers["content-transfer -encoding"];
if($temp) $dir_to_save = $userfolder; //"temporary_files/";
if($Atype[0] == "メッセージ") {
$divpos = strpos($body,"nr");
$attachheader = substr($body,0,$divpos );
$attachheaders = $this->decode_header($attachheader);
$filename = $this->decode_mime_string($attachheaders["subject"]);
if($filename == "")
$ファイル名= uniqid("");
$filename = substr(ereg_replace("[^A-Za-z0-9]","_",$filename),0,20).".eml";
} else {
$fname = $Acdisp[1];
$filename = substr($fname,strpos($fname,"filename=")+9,strlen($fname));
if($filename == "")
$filename = substr($ctype,strpos($ctype,"name=")+5,strlen($ctype));
if(substr($filename,0,1) == """ && substr($filename) ,-1) == """)
$filename = substr($filename,1,strlen($filename)-2);
$filename = $this->decode_mime_string($filename);
}
if($Atype[0] != "メッセージ")
$body = $this->compile_body($body,$tenc);
$indice = count($this->content["添付ファイル"]) ;
$this->content["attachments"][$indice]["name"] = $filename;
$this->content["attachments"][$indice]["size"] = strlen( $body);
$this->content["attachments"][$indice]["temp"] = $temp;
$this->content["attachments"][$indice]["content-type"] = $ctype2; //$Atype[0];
$this->content["attachments"][$indice]["content-disposition"] = $Acdisp[0];
$this->content["attachments"] [$indice]["boundary"] = $boundary;
$this->content["attachments"][$indice]["part"] = $part;
return $this->content["attachments" ][$indice];
}
関数compile_body($body,$enctype) {
$enctype =explode(" ",$enctype); $enctype = $enctype[0];
if(strto lower($enctype) == "base64")
$body =base64_decode($body);
elseif(strto lower($enctype) == "quoted-printable")
$body = $this->decode_qp($body);
return $body;
}
function download_attach($header,$body,$down=1) {
$headers = $this->decode_header( $header);
$cdisp = $headers["content-disposition"];
$ctype = $headers["content-type"];
$type = split(";",$ctype); $type = $type[0];
$Atype = split("/",$ctype);
$Acdisp = split(";",$cdisp);
$tenc = strto lower($headers["content-transfer -encoding"]);
if($Atype[0] == "メッセージ") {
$divpos = strpos($body,"nr");
$attachheader = substr($body,0,$divpos) ;
$attachheaders = $this->decode_header($attachheader);
$filename = $this->decode_mime_string($attachheaders["subject"]);
if($filename == "")
$ファイル名 = uniqid("");
$filename = substr(ereg_replace("[^A-Za-z0-9]","_",$filename),0,20);
$filename .= ".eml";
} else {
$fname = $Acdisp[1];
$filename = substr($fname,strpos(strto lower($fname),"filename=")+9,strlen($fname));
if($ファイル名 == "")
$filename = substr($ctype,strpos(strto lower($ctype),"name=")+5,strlen($ctype));
if(substr($filename,0,1) == """ && substr($filename,-1) == """)
$filename = substr($filename,1,strlen($filename)-2);
$filename = $this->decode_mime_string ($filename);
}
if($Atype[0] != "メッセージ")
$body = $this->compile_body($body,$tenc);
$content_type = ($down)? "application/octet-stream":strto lower($type);
$filesize = strlen($body);
header("Content-Type: $content_type; name="$filename"rn"
."Content-Length: $filesizern");
$cdisp = ($down)?"attachment":"inline";
header("Content-Disposition: $cdisp; filename="$filename"rn");
echo($body);
}
function get_mail_info($header) {
$myarray = Array();
$headers = $this->decode_header($header);
/*
echo("
");<br> print_r($headers);<br> echo("");
*/
$message_id = $headers["message-id"];
if(substr($message_id,0,1) == "<" && substr($message_id,-1) == ">")
$ message_id = substr($message_id,1,strlen($message_id)-2);
$myarray["content-type"] = $headers["content-type"];
$myarray["content-transfer-encoding "] = str_replace("GM","-",$headers["content-transfer-encoding"]);
$myarray["message-id"] = $message_id;
$received = $headers["received "];
if($received != "") {
$received =explode(";",$received);
$mydate = $received[1];
} else
$mydate = $headers[" date"];
$myarray["date"] = $this->build_mime_date($mydate);
$myarray["subject"] = $this->decode_mime_string($headers["subject"]);
$myarray["from"] = $this->get_names($headers["from"]);
$myarray["to"] = $this->get_names($headers["to"]);
$myarray["cc"] = $this->get_names($headers["cc"]);
$myarray["status"] = $headers["status"];
$myarray["read"] = ($headers["status"] == "N")?0:1;
return $myarray;
}
function build_mime_date($mydate) {
$mydate =explode(",",$私の日付）;
$mydate = トリム($mydate[count($mydate)-1]);
$parts =explode(" ",$mydate);
if(count($parts) $day = $parts[0];
switch(strto lower($parts[1])) {
case "jan": $mon = 1; Break;
case "feb": $mon = 2; Break;
case "mar": $mon = 3; Break;
case "apr": $mon = 4; Break;
case "may": $mon = 5; Break;
case "jun": $mon = 6; Break;
case "jul": $mon = 7; Break;
case "8 月": $mon = 8; Break;
case "sep": $mon = 9; Break;
case "oct": $mon = 10;ブレーク;
case "11 月": $mon = 11; Break;
case "dec": $mon = 12;休憩;
}
$year = $parts[2];
$ahours =explode(":",$parts[3]);
$hour = $ahours[0]; $min = $ahours[1]; $sec = $ahours[2];
return mktime ($hour, $min, $sec, $mon, $day, $year);
}
関数initialize($email) {
$email = $ this->fetch_struct($email);
$body = $email["body"];
$header = $email["header"];
$mail_info = $this->get_mail_info($header);
$this->content["headers"] = $header;
$this->content["date"] = $mail_info["date"];
$this->content["subject"] = $mail_info["件名"];
$this->content["message-id"] = $mail_info["message-id"];
$this->content["from"] = $mail_info[" from"];
$this->content["to"] = $mail_info["to"];
$this->content["cc"] = $mail_info["cc"];
$this- >content["body"] = $this->process_message($header,$body);
$this->content["read"] = $mail_info["read"];
}
関数 split_parts ($boundary,$body) {
$startpos = strpos($body,"$boundary")+strlen("$boundary")+2;
$lenbody = strpos($body,"rn$boundary--") - $startpos;
$body = substr($body,$startpos,$lenbody);
return split($boundary."rn",$body);
}
function get_boundary($ctype){
$boundary =トリム(substr($ctype,strpos(strto lower($ctype),"boundary=")+9,strlen($ctype)));
$boundary = split(";",$boundary);$boundary = $boundary [0];
if(substr($boundary,0,1) == """ && substr($boundary,-1) == """)
$boundary = substr($boundary,1,strlen( $boundary)-2);
$boundary = "--".$boundary;
return $boundary;
}
function set_as($email,$type=1) {
$status = ($type)?" Y":"N";
$tempmail = $this->fetch_ Structure($email);
$thisheader = $tempmail["header"];
$mail_info = $this->get_mail_info($thisheader);
$decoded_headers = $this->decode_header($thisheader);
while(list($key,$val) = each($decoded_headers))
if (eregi("status",$key)) {
$newmail .= ucfirst($key).": $statusrn"; $headerok = 1;
} else $newmail .= ucfirst($key).": ".trim($val)."rn";
if(!$headerok) $newmail .= "ステータス: $statusrn";
$newmail = trim($newmail)."rnrn".trim($tempmail["body"]);
return $newmail;
}
}
?>
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