邮件协议中的三种情况,对应下面的三种类型
multipart/mixed可以包含附件。
multipart/related可以包含内嵌资源。
multipart/alternative 纯文本与超文本共存
1.纯文本的,只需要一块content-type块,不需要multipart块
我要评论date: tue, 16 apr 2019 17:35:19 +0800
received: from shihan2@sopans.com([]) by via http;
tue, 16 apr 2019 17:35:19 +0800 (cst)
reply-to: shihan2@sopans.com
from: <shihan2@sopans.com>
to: shihan2@sopans.com
subject: =?gbk?b?ztlatlliytq=?=
mime-version: 1.0
x-priority: 3
x-messageid: 1555407319.5028.10108
x-originating-ip: []
x-mailer: sina webmail 4.0
x-sina-mid: 044d8eb6f6ef3f6fae1a32d8b0930f609000000000000002
content-type: text/plain; charset=gbk
content-transfer-encoding: base64
agvsbg8=
2.内容是html的要加两块content-type块内容,一块是html一块是纯文本,并且要增加一块multipart类型块
date: tue, 16 apr 2019 17:36:41 +0800
received: from shihan2@sopans.com([]) by via http;
tue, 16 apr 2019 17:36:41 +0800 (cst)
reply-to: shihan2@sopans.com
from: <shihan2@sopans.com>
to: shihan2@sopans.com
subject: =?gbk?b?ztlatlliytq=?=
mime-version: 1.0
x-priority: 3
x-messageid: 1555407401.2205.10152
x-originating-ip: []
x-mailer: sina webmail 4.0
x-sina-mid: 044d8eb6f6ef3f6fae1a32d8b0930f609000000000000002
content-type: multipart/alternative;
boundary="=-sinamail_alt_849bb6f96e7dc06cb99a08e3f9c84179"
--=-sinamail_alt_849bb6f96e7dc06cb99a08e3f9c84179
content-type: text/plain;
charset=gbk
content-transfer-encoding: base64
content-disposition: inline
agvsbg8=
--=-sinamail_alt_849bb6f96e7dc06cb99a08e3f9c84179
content-type: text/html;
charset=gbk
content-transfer-encoding: base64
content-disposition: inline
pggxpmhlbgxvpc9omt4=
--=-sinamail_alt_849bb6f96e7dc06cb99a08e3f9c84179--
3.有附件的话,还会增加下面两种multipart类型
date: tue, 16 apr 2019 17:38:47 +0800
received: from shihan2@sopans.com([]) by via http;
tue, 16 apr 2019 17:38:47 +0800 (cst)
reply-to: shihan2@sopans.com
from: <shihan2@sopans.com>
to: shihan2@sopans.com
subject: =?gbk?b?ztlatlliytq=?=
mime-version: 1.0
x-priority: 3
x-messageid: 1555407527.4947.4232
x-originating-ip: []
x-mailer: sina webmail 4.0
x-sina-mid: 044d8eb6f6ef3f6fae1a32d8b0930f609000000000000002
content-type: multipart/mixed;
boundary="=-sinamail_mix_fe895d50cd0d0669bb8a7eb8c697db19"
--=-sinamail_mix_fe895d50cd0d0669bb8a7eb8c697db19
content-type: multipart/alternative;
boundary="=-sinamail_alt_f50efff67f5369967ea1a6c77020a1e7"
--=-sinamail_alt_f50efff67f5369967ea1a6c77020a1e7
content-type: text/plain;
charset=gbk
content-transfer-encoding: base64
content-disposition: inline
agvsbg8=
--=-sinamail_alt_f50efff67f5369967ea1a6c77020a1e7
content-type: text/html; charset=gbk
content-transfer-encoding: base64
content-disposition: inline
pggxpmhlbgxvpc9omt4=
--=-sinamail_alt_f50efff67f5369967ea1a6c77020a1e7--
--=-sinamail_mix_fe895d50cd0d0669bb8a7eb8c697db19
content-type: application/octet-stream; name="=?gbk?b?ms5sb2c=?="
content-disposition: attachment; filename="=?gbk?b?ms5sb2c=?="
content-transfer-encoding: base64
mxwyntaguelqruxjtklorw0k
--=-sinamail_mix_fe895d50cd0d0669bb8a7eb8c697db19--
下面的代码是php组合mime邮件协议的类库
<?php
/**
* rfc 822: cr lf
* character "cr":hex value 0d
* character "lf":hex value 0a
* @var string
*/
define("crlf", "\r\n");
/**
* rfc 2822: 2.1.1. line length limits
* @var int
*/
define("mime_line_length_limit", 76);
class mimemail
{
/**
* the charset of the email
* @var string
*/
var $_mail_charset = 'gbk';
var $_mail_text_charset = 'gbk';
/**
* the subject of the email
* @var string
*/
var $_mail_subject = '';
/**
* the from address including display-name of the email
* @var string
*/
var $_mail_from = '';
/**
* just keep the address of from
*
* @var string
*/
var $_mail_from_addr = '';
/**
* the sender address of the email
* @var string
*/
var $_mail_sender = '';
/**
* the to address list of the email
* @var string
*/
var $_mail_to = '';
/**
* the cc address list of the email
* @var string
*/
var $_mail_cc = '';
/**
* the bcc address list of the email
* @var string
*/
var $_mail_bcc = '';
/**
* the priority of the email
* @var int, default 3
*/
var $_mail_priority = 3;
/**
* need notification or not
* @var string
*/
var $_mail_needreply = false;
/**
* 回复地址
* @var <string>
*/
var $_mail_replyto = '';
/**
* notification address of the email
* @var string
*/
var $_mail_notificationto = '';
/**
* message id
* @var string
*/
var $_mail_messageid = '';
/**
* the text body of the email
* @var string
*/
var $_mail_textbody = '';
/**
* the html body of the email
* @var string
*/
var $_mail_htmlbody = '';
var $_mail_bodytype = '';
/**
* the default body content-type
* @var string
*/
var $_mail_type = '';
/**
* the header of the email
* @var string
*/
var $_mail_header = '';
/**
* the body of the email
* @var string
*/
var $_mail_body = '';
/**
* 附件信息数组（附件所在路径、附件名称、附件类型）
*/
var $aattachments = array();
/**
* the encode attachments of the email
* @var array
*/
var $_mail_subpart_attachments = array();
/**
* the attachments index of the email
* @var array
*/
var $_mail_attachments_index = 0;
/**
* count of embedded attachments
* @var int
*/
var $_mail_embedded_count = 0;
/**
* the boundary for 'multipart/mixed' type
* @var string
*/
var $_mail_boundary_mix = '';
/**
* the boundary for 'multipart/related'type
* @var string
*/
var $_mail_boundary_rel = '';
/**
* the boundary for 'multipart/alternative' type
* @var array
*/
var $_mail_boundary_alt = '';
/**
* 用户自定义邮件头
*
* @var array
*/
var $_mail_userheaders = array();
var $mime_types = array(
'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'bmp' => 'image/bmp',
'png' => 'image/png',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'swf' => 'application/x-shockwave-flash',
'doc' => 'application/msword',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'pdf' => 'application/pdf',
'ps' => 'application/postscript',
'eps' => 'application/postscript',
'rtf' => 'application/rtf',
'bz2' => 'application/x-bzip2',
'gz' => 'application/x-gzip',
'tgz' => 'application/x-gzip',
'tar' => 'application/x-tar',
'zip' => 'application/zip',
'html' => 'text/html',
'htm' => 'text/html',
'txt' => 'text/plain',
'css' => 'text/css',
'js' => 'text/javascript',
'eml' => 'message/rfc822'
);
var $_mail_clientip = '';
/**
* mimemail 构造函数
*
*/
function mimemail()
{
$this->_mail_messageid = sprintf('%s.%s', microtime(true), getmypid());
$this->_mail_boundary_mix = "=-sinamail_mix_" . md5(uniqid(rand(), true));
$this->_mail_boundary_rel = "=-sinamail_rel_" . md5(uniqid(rand(), true));
$this->_mail_boundary_alt = "=-sinamail_alt_" . md5(uniqid(rand(), true));
//$this->_mail_sended_index = 0 ;
}
/**
* get message id
*
* @return string
*/
function getmessageid()
{
return $this->_mail_messageid;
}
function convenc($s, $charset = 'gbk')
{
if ($charset == 'utf-8') {
return array($s, 'utf-8');
}
if ($charset == 'gbk' && preg_match('/[^\x00-\x7f\x{3000}-\x{303f}\x{4e00}-\x{9fff}\x{ff00}-\x{ffef}]/u', $s)) {
return array($s, 'utf-8');
}
$es = mb_convert_encoding($s, $charset, 'utf-8');
if ($es === false) {
return array($s, 'utf-8');
} else {
return array($es, $charset);
}
}
function getclientip()
{
if (!$this->_mail_clientip) {
$ip = isset($_server['http_x_forwarded_for']) ? $_server['http_x_forwarded_for'] : '';
if (!$ip) {
$ip = isset($_server['remote_addr']) ? $_server['remote_addr'] : '';
}
$a = explode('|', str_replace(',', '|', $ip));
$this->_mail_clientip = trim($a[0]);
}
return $this->_mail_clientip;
}
function setclientip($ip)
{
$this->_mail_clientip = $ip;
}
/**
* 取得用户自定义邮件头
*
* @param string $name
* @return mixed
*/
function getuserheader($name = '')
{
if (!$name) {
return $this->_mail_userheaders;
}
return (isset($this->_mail_userheaders[$name]) ? $this->_mail_userheaders[$name] : false);
}
/**
* 设置用户自定义邮件头
*
* @param mixed $value
* @param string $name
*/
function setuserheader($value, $name = '')
{
$d = array();
if ($name == '') {
if (is_array($value)) {
$d = $value;
} else {
return;
}
} else {
$d[$name] = $value;
}
foreach ($d as $k => $v) {
if (is_scalar($v)) {
$this->_mail_userheaders[$k] = $v;
}
}
}
/**
* 设置邮件主题
* @param string $subject 邮件主题
*
*/
function setsubject($subject)
{
if (!is_null($subject)) {
if (!$this->isbig($subject)) {
$this->_mail_subject = $subject;
} else {
list($subject, $charset) = $this->convenc($subject);
$this->_mail_subject
= '=?' . $charset . '?b?' . base64_encode($subject) . '?=';
}
}
}
/**
* 设置真实发信地址
*
* @param string $sender
*/
function setsender($sender)
{
$this->_mail_sender = $sender;
}
/**
* 设置发件人
* @param string $from 发件人邮件地址
* @param string $nickname 发件人昵称
*
*/
function setfrom($from, $nickname = '')
{
$this->_mail_from_addr = $from;
if ('' == $nickname) {
$this->_mail_from = '<' . $from . '>';
} else {
if ($this->isbig($nickname)) {
list($nickname, $charset) = $this->convenc($nickname);
$this->_mail_from = sprintf("\"=?%s?b?%s?=\" <%s>", $charset, base64_encode($nickname), $from);
} else {
$this->_mail_from = '"' . $nickname . '" <' . $from . '>';
}
}
}
/**
* 设置收件人邮件列表
* @param string $to 收件人邮件地址
*
*/
function setto($mail_to)
{
if (!is_null($mail_to)) {
list($mail_to, $charset) = $this->convenc($mail_to);
$this->_mail_to = $this->_encodeaddr($mail_to, $charset);
}
}
/**
* 设置抄送邮件列表
* @param string $mail_cc 抄送邮件地址列表
*
*/
function setcc($mail_cc)
{
if (!is_null($mail_cc)) {
list($mail_cc, $charset) = $this->convenc($mail_cc);
$this->_mail_cc = $this->_encodeaddr($mail_cc, $charset);
}
}
/**
* 设置密送邮件列表
* @param string $mail_bcc 密送邮件地址列表
*
*/
function setbcc($mail_bcc)
{
if (!is_null($mail_bcc)) {
list($mail_bcc, $charset) = $this->convenc($mail_bcc);
$this->_mail_bcc = $this->_encodeaddr($mail_bcc, $charset);
}
}
/**
* 设置邮件正文类型
* @param string $text_type 邮件正文类型
*
*/
function setbodytype($text_type)
{
if ($text_type == 'html')
$this->_mail_bodytype = $text_type;
else
$this->_mail_bodytype = "plain";
}
/**
* 设置邮件优先级别
* @param string $priority 邮件优先级别
*
*/
function setpriority($priority = 3)
{
$priority = !is_null($priority) ? $priority : 3;
$this->_mail_priority = $priority;
}
/**
* 设置邮件优先级别
* @param string $isneedreply 是否需要读信回执
* @param string $addr_notificationto 回执邮件地址
*/
function setnotificationto($isneedreply = false, $addr_notificationto = '')
{
if ($isneedreply == true) {
$this->_mail_needreply = $isneedreply;
if (empty($addr_notificationto))
$this->_mail_notificationto = $this->_mail_sender;
else
$this->_mail_notificationto = $addr_notificationto;
}
}
/**
* 设置邮件回复信息
* @param <string> $replyto
*/
function setreplyto($replyto)
{
$this->_mail_replyto = $replyto;
}
/**
* 添加文本格式正文
* @param string $text 文本格式正文
*/
function addtextbody($text)
{
list($text, $charset) = $this->convenc($text, $this->_mail_text_charset);
if ($charset != $this->_mail_text_charset) {
$this->_mail_textbody = mb_convert_encoding($this->_mail_textbody, $charset, $this->_mail_text_charset);
$this->_mail_text_charset = $charset;
}
$this->_mail_textbody .= $text;
}
/**
* 添加html格式正文
* @param string $html html格式正文
*/
function addhtmlbody($html)
{
list($html, $charset) = $this->convenc($html, $this->_mail_charset);
if ($charset != $this->_mail_charset) {
$this->_mail_htmlbody = mb_convert_encoding($this->_mail_htmlbody, $charset, $this->_mail_charset);
$this->_mail_charset = $charset;
}
$this->_mail_htmlbody .= $html;
}
function & getsendmailtext($to = null)
{
$msg = '';
if (!empty($this->_mail_userheaders['sina-sendseparate'])) {
if ($to) {
$header = str_replace('<{$_mail_to}>', $this->_splitaddrlist($to), $this->_mail_header);
} else {
$header = str_replace('<{$_mail_to}>', $this->_splitaddrlist($this->_mail_to), $this->_mail_header);
}
$msg = $header . crlf . crlf . $this->_mail_body;
} else {
$msg = $this->_mail_header . crlf . crlf . $this->_mail_body;
}
return $msg;
}
/*
* 生成邮件header
* @param string $mailcontenttype 邮件content-type
* @return string mailheader
*/
function _buildheader($mailcontenttype)
{
//$this->_mail_header = 'return-path: ' . $this->_mail_sender . crlf;
$this->_mail_header =
'date: ' . date("d, d m y h:i:s") . " +0800 " . crlf;
$this->_mail_header .=
'received: from ' . $this->_mail_sender . '([' . $this->getclientip() . ']) by '
. $_server['http_host'] . ' via http;' . crlf
. ' ' . date("d, d m y h:i:s") . " +0800 (cst)" . crlf;
$replyto = (!empty($this->_mail_replyto)) ? $this->_mail_replyto : $this->_mail_sender;
$this->_mail_header .= 'reply-to: ' . $replyto . crlf;
if (strcasecmp($this->_mail_sender, $this->_mail_from_addr) != 0) {
$this->_mail_header .= 'sender: ' . $this->_mail_sender . crlf;
}
if (!is_null($this->_mail_from))
$this->_mail_header .=
"from: " . $this->_splitaddrlist($this->_mail_from) . crlf;
if (!empty($this->_mail_userheaders['sina-sendseparate'])) {
$this->_mail_header .= 'to: <{$_mail_to}>' . crlf;
} else {
if (!is_null($this->_mail_to))
$this->_mail_header .=
"to: " . $this->_splitaddrlist($this->_mail_to) . crlf;
}
if (!empty($this->_mail_cc))
$this->_mail_header .=
"cc: " . $this->_splitaddrlist($this->_mail_cc) . crlf;
if (!empty($this->_mail_bcc))
$this->_mail_header .= "bcc: " . $this->_splitaddrlist($this->_mail_bcc) . crlf;
if (!is_null($this->_mail_subject))
$this->_mail_header .= "subject: " . $this->_mail_subject . crlf;
$this->_mail_header .= "mime-version: 1.0" . crlf;
$this->_mail_header .= "x-priority: " . $this->_mail_priority . crlf;
if ($this->_mail_needreply == true)
$this->_mail_header .=
"disposition-notification-to: " . $this->_mail_notificationto . crlf;
$this->_mail_header .= 'x-messageid: ' . $this->_mail_messageid . crlf;
$this->_mail_header .= 'x-originating-ip: [' . $_server["server_addr"] . "]" . crlf;
$this->_mail_header .= "x-mailer: sina webmail 4.0" . crlf;
foreach ($this->_mail_userheaders as $k => $v) {
$hn = str_replace(' ', '-', ucwords(str_replace('-', ' ', $k)));
$this->_mail_header .= "x-$hn: $v" . crlf;
}
$this->_mail_header .= $mailcontenttype;
}
/*
* 生成邮件体
* @return bool 成功返回0，失败返回错误代码
*
*/
function buildbody()
{
/*
$b_attachments = ($this->_mail_attachments > 0 ) ? true : false;
$b_imgattachments = (count($this->attachments_img) > 0) ? true : false;
$b_htmlbody = !empty($this->_htmlbody) ? true : false;
$b_textbody = (!$html and !empty($this->_txtbody)) ? true : false;
*/
if (count($this->aattachments) > 0) {
foreach ($this->aattachments as $a_attfile) {
if (!$this->_getattachment($a_attfile['attfilepath'], $a_attfile['attname'], $a_attfile['atttype'], $a_attfile['attembedded'])) {
return false;
}
}
}
switch ($this->_parseelements()) {
case 1: //text/plain
$this->_buildheader("content-type: text/plain; charset=$this->_mail_text_charset\ncontent-transfer-encoding: base64");
$this->_mail_body = $this->_gettextmailbody();
break;
case 3: //text/plain && text/html
$this->_buildheader("content-type: multipart/alternative;\n\t boundary=\"$this->_mail_boundary_alt\"");
$this->_mail_body = "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .=
"content-type: text/plain;\n\tcharset=$this->_mail_text_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gettextmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .=
"content-type: text/html; \n\tcharset=$this->_mail_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gethtmlmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . "--" . crlf;
break;
case 5: // text/plain && attachments
$this->_buildheader("content-type: multipart/mixed;\n\t boundary=\"$this->_mail_boundary_mix\"");
$this->_mail_body = "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .=
"content-type: text/plain;\n\tcharset=$this->_mail_text_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gettextmailbody() . crlf . crlf;
foreach ($this->_mail_subpart_attachments as $value) {
$this->_mail_body .= "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .=
"content-type: " . $value['type'] . "; name=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .=
"content-disposition: attachment; filename=\"" . $value['name'] . "\"" . crlf;
if ($value['type'] == 'message/rfc822') {
$this->_mail_body .= "content-transfer-encoding: 8bit" . crlf . crlf;
} else {
$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
}
$this->_mail_body .= $value['content'] . crlf . crlf;
}
$this->_mail_body .= "--" . $this->_mail_boundary_mix . "--" . crlf;
break;
case 7: //text/plain && text/html && attachment
$this->_buildheader("content-type: multipart/mixed;\n\t boundary=\"$this->_mail_boundary_mix\"");
$this->_mail_body = "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .= "content-type: multipart/alternative;\n\t boundary=\"$this->_mail_boundary_alt\"" . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/plain;\n\tcharset=$this->_mail_text_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gettextmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/html; charset=$this->_mail_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gethtmlmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . "--" . crlf . crlf;
foreach ($this->_mail_subpart_attachments as $value) {
$this->_mail_body .= "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .= "content-type: " . $value['type'] . "; name=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-disposition: attachment; filename=\"" . $value['name'] . "\"" . crlf;
if ($value['type'] == 'message/rfc822') {
$this->_mail_body .= "content-transfer-encoding: 8bit" . crlf . crlf;
} else {
$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
}
$this->_mail_body .= $value['content'] . crlf . crlf;
}
$this->_mail_body .= "--" . $this->_mail_boundary_mix . "--" . crlf;
break;
case 11:
$this->_buildheader("content-type: multipart/related; type=\"multipart/alternative\";\n\t boundary=\"$this->_mail_boundary_rel\"");
$this->_mail_body = "--" . $this->_mail_boundary_rel . crlf;
$this->_mail_body .= "content-type: multipart/alternative;\n\t boundary=\"$this->_mail_boundary_alt\"" . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/plain;\n\tcharset=$this->_mail_text_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gettextmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/html; charset=$this->_mail_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gethtmlmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . "--" . crlf . crlf;
foreach ($this->_mail_subpart_attachments as $value) {
if ($value['embedded']) {
$this->_mail_body .= "--" . $this->_mail_boundary_rel . crlf;
$this->_mail_body .= "content-id: <" . $value['embedded'] . ">" . crlf;
$this->_mail_body .= "content-type: " . $value['type'] . "; name=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-disposition: attachment; filename=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
$this->_mail_body .= $value['content'] . crlf . crlf;
}
}
$this->_mail_body .= "--" . $this->_mail_boundary_rel . "--" . crlf;
break;
case 15:
$this->_buildheader("content-type: multipart/mixed;\n\t boundary=\"$this->_mail_boundary_mix\"");
$this->_mail_body .= "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .= "content-type: multipart/related; type=\"multipart/alternative\"; boundary=\"$this->_mail_boundary_rel\"" . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_rel . crlf;
$this->_mail_body .= "content-type: multipart/alternative;\n\t boundary=\"$this->_mail_boundary_alt\"" . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/plain; charset=$this->_mail_text_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gettextmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . crlf;
$this->_mail_body .= "content-type: text/html; charset=$this->_mail_charset" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf;
$this->_mail_body .= "content-disposition: inline" . crlf . crlf;
$this->_mail_body .= $this->_gethtmlmailbody() . crlf . crlf;
$this->_mail_body .= "--" . $this->_mail_boundary_alt . "--" . crlf . crlf;
foreach ($this->_mail_subpart_attachments as $value) {
if ($value['embedded']) {
$this->_mail_body .= "--" . $this->_mail_boundary_rel . crlf;
$this->_mail_body .= "content-id: <" . $value['embedded'] . ">" . crlf;
$this->_mail_body .= "content-type: " . $value['type'] . "; name=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-disposition: attachment; filename=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
$this->_mail_body .= $value['content'] . crlf . crlf;
}
}
$this->_mail_body .= "--" . $this->_mail_boundary_rel . "--" . crlf . crlf;
foreach ($this->_mail_subpart_attachments as $value) {
if (!$value['embedded']) {
$this->_mail_body .= "--" . $this->_mail_boundary_mix . crlf;
$this->_mail_body .= "content-type: " . $value['type'] . "; name=\"" . $value['name'] . "\"" . crlf;
$this->_mail_body .= "content-disposition: attachment; filename=\"" . $value['name'] . "\"" . crlf;
//$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
if ($value['type'] == 'message/rfc822') {
$this->_mail_body .= "content-transfer-encoding: 8bit" . crlf . crlf;
} else {
$this->_mail_body .= "content-transfer-encoding: base64" . crlf . crlf;
}
$this->_mail_body .= $value['content'] . crlf . crlf;
}
}
$this->_mail_body .= "--" . $this->_mail_boundary_mix . "--" . crlf;
break;
default:
return false;
}
//$this->sended_index++;
return true;
}
/*
* 分析content-type
* @param string $mailcontenttype 邮件content-type
* @return string mailheader
*/
function _parseelements()
{
if ($this->_mail_bodytype == "html") {
$this->_mail_type = 3;
if (!empty($this->mail_html)) {
if (empty($this->mail_text))
$this->mail_text = $this->htmltotext($this->mail_html);
}
}
else
$this->_mail_type = 1;
if ($this->_mail_attachments_index != 0) {
if ($this->_mail_type == 3 && $this->_mail_embedded_count > 0) {
$this->_mail_type = $this->_mail_type + 8;
if ((count($this->aattachments) - $this->_mail_embedded_count) >= 1) {
$this->_mail_type = $this->_mail_type + 4;
}
} else if (count($this->aattachments) > 0) {
$this->_mail_type = $this->_mail_type + 4;
}
}
return $this->_mail_type;
}
/**
* 添加附件
* @param string $attfile 附件文件绝对路径
* @param string $attname 附件名称
* @param string $attfiletype 附件文件类型
* @param bool $attembedded 附件是否为嵌入
* @return 成功 0，失败 错误代码
*/
function addattachment($sattfilepath, $sattname, $satttype='', $sattembedded = false)
{
if (is_null($sattfilepath)) {
return;
}
$embedded = false;
if ($sattembedded) {
$this->_mail_embedded_count++;
$embedded = sprintf('part%s.%s', $this->_mail_embedded_count, $this->_mail_messageid);
}
$this->aattachments[$this->_mail_attachments_index] = array(
'attfilepath' => $sattfilepath,
'attname' => $sattname,
'atttype' => $satttype,
'attembedded' => $embedded
);
$this->_mail_attachments_index++;
}
/**
* 获取附件subpart信息
* @param string $attfile 附件文件绝对路径
* @param string $attname 附件名称
* @param string $attfiletype 附件文件类型
* @param int $attembedded 附件嵌入id
* @return 成功 0，失败 错误代码
*/
function _getattachment($attfile, $attname, $attfiletype = "", $attembedded)
{
$content = file_get_contents($attfile);
if ($content !== false) {
list($attname, $charset) = $this->convenc($attname);
$attfiletype = empty($attfiletype) ? $this->_getmimetype($attname) : $attfiletype;
if ($attfiletype == 'message/rfc822') {
$this->_mail_subpart_attachments[] = array(
'content' => $content,
'name' => '=?' . $charset . '?b?' . base64_encode($attname) . '?=',
'type' => $attfiletype,
'embedded' => false
);
} else {
$this->_mail_subpart_attachments[] = array(
'content' => chunk_split(base64_encode($content), mime_line_length_limit, crlf),
'name' => '=?' . $charset . '?b?' . base64_encode($attname) . '?=',
'type' => $attfiletype,
'embedded' => $attembedded
);
}
return true;
} else {
return false;
}
}
/**
* 将文本格式正文按照rfc规范编码并拆分成行
* @param string
*/
function _gettextmailbody()
{
if (isset($this->_mail_textbody) && !is_null($this->_mail_textbody))
return chunk_split(
base64_encode($this->_mail_textbody), mime_line_length_limit, crlf);
else
return '';
}
/**
* 将嵌入附件的标记替换为实际的content-id
*
* @param string $body
* @return string
*/
function _replaceembedded($body)
{
foreach ($this->aattachments as $att) {
if (!$att['attembedded']) {
continue;
}
$search = '__cid__' . md5($att['attfilepath']);
$repl = 'cid:' . $att['attembedded'];
$body = str_replace($search, $repl, $body);
}
return $body;
}
/**
* 将html格式正文按照rfc规范编码并拆分成行
* @param string
*/
function _gethtmlmailbody()
{
if (isset($this->_mail_htmlbody) && !is_null($this->_mail_htmlbody)) {
if ($this->_mail_embedded_count > 0) {
$this->_mail_htmlbody = $this->_replaceembedded($this->_mail_htmlbody);
}
return chunk_split(
base64_encode($this->_mail_htmlbody), mime_line_length_limit, crlf);
} else {
return '';
}
}
/**
* private
* 获取附件类型
* @param string $attname 附件名称
*/
function _getmimetype($attname)
{
$ext_array = explode(".", $attname);
if (($last = count($ext_array) - 1) != 0) {
$ext = strtolower($ext_array[$last]);
if (isset($this->mime_types[$ext]))
return $this->mime_types[$ext];
}
return "application/octet-stream";
}
/**
* 按照rfc规范将邮件地址列表拆分成行
* @param string $inputaddr 邮件地址列表
* @return string 规范后的邮件地址列表
*/
function _splitaddrlist($inputaddr)
{
if (is_null($inputaddr) || mime_line_length_limit > strlen($inputaddr))
return $inputaddr;
else {
$a_splitaddr = explode(",", $inputaddr);
$curlen = 0;
$outputaddr = '';
foreach ($a_splitaddr as $key => $address) {
$curlen += strlen($address);
if (mime_line_length_limit < $curlen) {
$outputaddr .= crlf . ' ' . $address . ",";
$curlen = strlen($address);
} else {
$outputaddr .= $address . ",";
}
}
return $outputaddr;
}
}
/**
* encode addlist for mime header
* @param string $addr_str 邮件地址列表
*
*/
function _encodeaddr($addr_str, $charset = 'gbk')
{
$addr_ret = '';
$addr_str = mb_ereg_replace(mb_convert_encoding('，', $charset, 'utf-8'), ',', $addr_str, $charset);
$addrs = $this->_splitaddressstr($addr_str);
foreach ($addrs as $key => $addr) {
$addr = trim($addr);
if ($key != 0)
$addr_ret .= ', ';
if (preg_match('/(.*)<(.*)>$/', $addr, $addr_split)) {
$addr_name = trim($addr_split[1]);
$addr_name = trim($addr_name, '"');
$addr_mail = trim($addr_split[2]);
mb_internal_encoding($charset);
if (!self::isbig($addr_name)) {
$addr_ret .= '"' . $addr_name . '" <' . $addr_mail . '>';
} else {
$addr_ret .= '=?' . $charset . '?b?' . base64_encode($addr_name) . '?= <' . $addr_mail . '>';
}
}
else
$addr_ret .= $addr;
}
return $addr_ret;
}
function _splitaddressstr($s)
{
$ls = array();
$inquote = false;
$item = '';
for ($i = 0, $n = strlen($s); $i < $n; ++$i) {
$ch = $s[$i];
if ($ch == '"') {
if (!$inquote) {
$inquote = true;
} else {
$inquote = false;
}
} elseif ($ch == ',' || $ch == ';') {
if (!$inquote) {
if (isset($item[0])) {
array_push($ls, $item);
$item = '';
}
} else {
$item .= $ch;
}
} else {
$item .= $ch;
}
}
if (isset($item[0])) {
array_push($ls, $item);
}
return $ls;
}
/**
* 将html格式转换为text
* @param string $html
* @return string 转换后text字符串
*/
function htmltotext($html)
{
if (!strlen($html))
return '';
$search = array("'<br[^>]*?>'si");
$replace = array("\n");
$txt = preg_replace($search, $replace, $html);
$txt = strip_tags($txt);
return htmlspecialchars_decode($txt);
}
/**
* 检查是否是大字符集
*
* @param string type $string
* @return boolean
*/
function isbig($string)
{
for ($i = 0; $i < strlen($string); $i++) {
if (ord($string[$i]) > 127) {
return true;
}
}
return false;
}
}
$html='<h1>hello</h1>';
$text=strip_tags($html);
$mime=new mimemail();
//增加一个邮件头
$mime->setuserheader('044d8eb6f6ef3f6fae1a32d8b0930f609000000000000002', 'sina-mid');
$mime->setsender("shihan2@sopans.com");
$mime->setfrom("shihan2@sopans.com");
$mime->setto("shihan2@sopans.com");
$mime->setsubject("我来测试");
$mime->setbodytype('html');
$mime->addhtmlbody($html);
$mime->addtextbody($text);
$mime->addattachment("d:/phpserver/www/test/1.log","1.log","");
$mime->buildbody();
$mail=$mime->getsendmailtext();
echo $mail;
//file_put_contents("2.eml",$mail);
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