最好的邮件编码解码类,再没有比这个好的了!贴不下了(2)6-PHP技术-3P代码网
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最好的邮件编码解码类,再没有比这个好的了!贴不下了(2)6

2004-10-01 08:26:10  作者:  来源:互联网  浏览次数:38  文字大小:【】【】【
简介:function build_text_body($body) {         return "\n<pre>".$this->make_link_clickable($this->linesize(htmlspecialchars($body),85)).&qu...
关键字:编码 邮件 这个 最好

function build_text_body($body) {

return "\n

".$this->make_link_clickable($this->linesize(htmlspecialchars($body),85))."
\n";

}

function decode_qp($text) {

$text = quoted_printable_decode($text);

/*

$text = str_replace("\r","",$text);

$text = ereg_replace("=\n", "", $text);

$text = str_replace("\n","\r\n",$text);

*/

$text = ereg_replace("=\r", "\r", $text);

return $text;

}

function make_link_clickable($text){

$text = eregi_replace("([[: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]);

$maintype = strtolower($types[0]);

$subtype = strtolower($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;

default:

$msgbody = $this->build_text_body($body);

break;

}

break;

case "multipart":

switch($subtype) {

case "mixed":

$boundary = $this->get_boundary($type);

$part = $this->split_parts($boundary,$body);

for($i=0;$i

$thispart = trim($part[$i]);

if($thispart != "") {

$email = $this->fetch_structure($thispart);

$header = $email["header"];

$body = $email["body"];

$headers = $this->decode_header($header);

$ctype = $headers["content-type"];

$Actype = split(";",$headers["content-type"]);

$types = split("/",$Actype[0]); $rctype = strtolower($Actype[0]);

if($rctype == "multipart/alternative")

$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($rctype == "multipart/related" && strpos($headers["content-disposition"],"name") === false) {

$msgbody = $this->build_related_body($ctype,$body);

} else {

$thisattach = $this->build_attach($header,$body,$boundary,$i);

}

}

}

break;

case "alternative":

$msgbody = $this->build_alternative_body($ctype[1],$body);

break;

case "related":

$msgbody = $this->build_related_body($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-disposition"];

$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] == "message") {

$divpos = strpos($body,"\n\r");

$attachheader = substr($body,0,$divpos);

$attachheaders = $this->decode_header($attachheader);

$filename = $this->decode_mime_string($attachheaders["subject"]);

if($filename == "")

$filename = 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] != "message")

$body = $this->compile_body($body,$tenc);

$indice = count($this->content["attachments"]);

$this->content["attachments"][$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];

}

function compile_body($body,$enctype) {

$enctype = explode(" ",$enctype); $enctype = $enctype[0];

if(strtolower($enctype) == "base64")

$body = base64_decode($body);

elseif(strtolower($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);

$tenc = strtolower($headers["content-transfer-encoding"]);

if($Atype[0] == "message") {

$divpos = strpos($body,"\n\r");

$attachheader = substr($body,0,$divpos);

$attachheaders = $this->decode_header($attachheader);

$filename = $this->decode_mime_string($attachheaders["subject"]);

if($filename == "")

$filename = uniqid("");

$filename = substr(ereg_replace("[^A-Za-z0-9]","_",$filename),0,20);

$filename .= ".eml";

} else {

$fname = $Acdisp[1];

$filename = substr($fname,strpos(strtolower($fname),"filename=")+9,strlen($fname));

if($filename == "")

$filename = substr($ctype,strpos(strtolower($ctype),"name=")+5,strlen($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] != "message")

$body = $this->compile_body($body,$tenc);

$content_type = ($down)?"application/octet-stream":strtolower($type);

$filesize = strlen($body);

header("Content-Type: $content_type; name=\"$filename\"\r\n"

."Content-Length: $filesize\r\n");

$cdisp = ($down)?"attachment":"inline";

header("Content-Disposition: $cdisp; filename=\"$filename\"\r\n");

echo($body);

}

function get_mail_info($header) {

$myarray = Array();

$headers = $this->decode_header($header);

/*

echo("

");

print_r($headers);

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) {

$mydate = explode(",",$mydate);

$mydate = trim($mydate[count($mydate)-1]);

$parts = explode(" ",$mydate);

if(count($parts) < 4) { return time(); }

$day = $parts[0];

switch(strtolower($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 "aug": $mon = 8; break;

case "sep": $mon = 9; break;

case "oct": $mon = 10; break;

case "nov": $mon = 11; break;

case "dec": $mon = 12; break;

}

$year = $parts[2];

$ahours = explode(":",$parts[3]);

$hour = $ahours[0]; $min = $ahours[1]; $sec = $ahours[2];

return mktime ($hour, $min, $sec, $mon, $day, $year);

}

function initialize($email) {

$email = $this->fetch_structure($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["subject"];

$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"];

}

function split_parts($boundary,$body) {

$startpos = strpos($body,"$boundary")+strlen("$boundary")+2;

$lenbody = strpos($body,"\r\n$boundary--") - $startpos;

$body = substr($body,$startpos,$lenbody);

return split($boundary."\r\n",$body);

}

function get_boundary($ctype){

$boundary = trim(substr($ctype,strpos(strtolower($ctype),"boundary=")+9,strlen($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).": $status\r\n"; $headerok = 1;

} else $newmail .= ucfirst($key).": ".trim($val)."\r\n";

if(!$headerok) $newmail .= "Status: $status\r\n";

$newmail = trim($newmail)."\r\n\r\n".trim($tempmail["body"]);

return $newmail;

}

}

?>

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