class smtp { var $hostname=""; var $port=25; var $connection=0; var $debug=1;
var $timeout=30; var $err_str; var $err_no;
var $autocode=true; var $charset="gb2312"; var $subject=""; var $body=""; var $attach=""; var $temp_text_body; var $temp_html_body; var $temp_body_images;
var $bound_begin="=====powered_by_boss_chen_"; var $bound_end="_046484063883_=====";
function smtp($server="smtp.china.com"",$port=25,$time_out=20) {$this->hostname=$server; $this->port=$port; $this->timeout=$time_out; return true; }
function outdebug($message) { echo htmlspecialchars($message)."<br>/n"; }
function command($command,$return_lenth=1,$return_code='2') { if ($this->connection==0) { $this->err_str="没有连接到任何服务器，请检查网络连接"; return false; } if ($this->debug) $this->outdebug(">>> $command"); if (!fputs($this->connection,"$command /r/n")) { $this->err_str="无法发送命令".$command; return false; } else { $resp=fgets($this->connection,256); if($this->debug) $this->outdebug("$resp"); if (substr($resp,0,$return_lenth)!=$return_code) { $this->err_str=$command." 命令服务器返回无效:".$resp; return false; } else return true; } }
function open() { if($this->hostname=="") {$this->err_str="无效的主机名!!"; return false; }
function close() { if($this->connection!=0) { fclose($this->connection); $this->connection=0; } }
function buildhead($from_name,$to_name,$from_mail,$to_mail,$subject) { if (empty($from_name)) $from_name=$from_mail; if (empty($to_name)) $to_name=$to_mail; $this->subject="from: =?$this->charset?b?".base64_encode($from_name)."?=<$from_mail>/r/n"; $this->subject.="to: =?$this->charset?b?".base64_encode($to_name)."?=<$to_mail>/r/n"; $subject=ereg_replace("/n","",$subject); $this->subject.="subject: =?$this->charset?b?".base64_encode($subject)."?=/r/n"; if ($this->debug) echo nl2br(htmlspecialchars($this->subject)); return true; }
function parse_html_body($html_body=null) { $passed=""; $image_count=0; $this->temp_body_images=array(); while (eregi("/<*img([^/>]+)src[[:space:]]*=[[:space:]]*([^ ]+)",$html_body,$reg)) {
$[email protected]($html_body,$reg[0]); $passed.=substr($html_body,0,$pos); $html_body=substr($html_body,$pos+strlen($reg[0])); $image_tag=$reg[2]; $image_att=$reg[1]; $tag_len=strlen($image_tag); if ($image_tag[0]=="'" or $image_tag[0]=='"') $image_tag=substr($image_tag,1); if (substr($image_tag,strlen($imgage_tag)-1,1)=="'" or substr($image_tag,strlen($imgage_tag)-1,1)=='"') $image_tag=substr($image_tag,0,strlen($imgage_tag)-1); //echo $image_tag."<br>"; $cid=md5(uniqid(rand())); $cid=substr($cid,0,15)."@unigenius.com"; $passed.="<img ".$image_att."src=/"cid:".$cid."/""; $[email protected]($html_body,'>'); $passed.=substr($html_body,0,$end_pos); $html_body=substr($html_body,$end_pos); // 把图片数据读出来保存到一个数据；
$img_file_con=fopen($image_tag,"r"); unset($image_data); while ($tem_buffer=addslashes(fread($img_file_con,16777216))) $image_data.=$tem_buffer; fclose($img_file_con); $image_exe_name=substr($image_tag,strrpos($image_tag,'.')+1,3); switch (strtolower($image_exe_name)) { case "jpg": case "jpeg": $content_type="image/jpeg"; break; case "gif": $content_type="image/gif"; break; case "png": $content_type="image/x-png"; break; case "tif": $content_type="image/tif"; break; default: $content_type="image/"; break; }
if (!$hava_att) $this->body.="/r/nthis is a multi-part message in mime format./r/n/r/n"; $this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."/r/n"; $this->body.="content-type: text/plain;/r/n"; $this->body.="charset=/"$this->charset/"/r/n"; $this->body.="content-transfer-encoding: base64 /r/n"; $this->body.="/r/n".chunk_split(base64_encode(stripslashes($text_body)))."/r/n"; $this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."/r/n"; $this->body.="content-type: text/html;/r/n"; $this->body.="charset=/"$this->charset/"/r/n"; $this->body.="content-transfer-encoding: base64 /r/n"; $this->body.="/r/n".chunk_split(base64_encode(stripslashes($this->temp_html_body)))."/r/n"; $this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."--/r/n/r/n"; $bound_level--; } else { $this->body.="content-type: text/html;/r/n"; $this->body.="charset=/"$this->charset/"/r/n"; $this->body.="content-transfer-encoding: base64 /r/n"; $this->body.="/r/n".chunk_split(base64_encode(stripslashes($this->temp_html_body)))."/r/n"; } //正文编码，有或没有 text 部分，编成不同的格式。
} // end else } else // 如果没有 html 正文，只有 text 正文 { $this->body.="content-type: text/plain; charset=/"$this->charset/"/r/n"; $this->body.="content-transfer-encoding: base64 /r/n"; $this->body.="/r/n".chunk_split(base64_encode(stripslashes($text_body)))."/r/n"; } } // end function default
function buildbody($text_body=null,$html_body=null,$att=null) { $this->body="mime-version: 1.0/r/n"; if (null==$att or (@count($att)==0)) //如果没有附件，查看正文的类型 ； { $encode_level=0; $this->build_content($encode_level,$text_body,$html_body); } // 如果没有附件， // ******************************************************** else //如果有附件， { $bound_level=0; $this->body.="content-type: multipart/mixed; boundary=/""; $bound_level++;
$this->body.=$this->bound_begin.$bound_level.$this->bound_end."/"/r/n/r/n"; $this->body.="this is a multi-part message in mime format./r/n/r/n"; $this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."/r/n"; $this->build_content($bound_level,$text_body,$html_body,true); // 编入正文部分
$num=count($att); for ($i=0;$i<$num;$i++) { $file_name=$att[$i][name]; $file_source=$att[$i][source]; $file_type=$att[$i][type]; $file_size=$att[$i][size];
if (file_exists($file_source)) { $file_data=addslashes(fread($fp=fopen($file_source,"r"), filesize($file_source))); $file_data=chunk_split(base64_encode(stripslashes($file_data))); $this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."/r/n"; $this->body.="content-type: $file_type;/r/n name=/"$file_name/"/r/ncontent-transfer-encoding: base64/r/n"; $this->body.="content-disposition: attachment; filename=/"$file_name/"/r/n/r/n"; $this->body.=$file_data."/r/n"; } } //end for
$this->body.="--".$this->bound_begin.$bound_level.$this->bound_end."--/r/n/r/n"; } // end else
if ($this->debug) echo nl2br(htmlspecialchars($this->body));
return true; }
function send($from_name,$to_name,$from_mail,$to_mail,$subject,$text_body=false,$html_body=false,$att=false) {
if (empty($from_mail) or empty($to_mail)) { $this->err_str="没有指定正确的邮件地址:发送人：".$from_mail."接收人：".$to_mail; return false; }
if (gettype($to_mail)!="array") $to_mail=split(",",$to_mail); //如果不是数组，转换成数组，哪怕只有一个发送对象; if (gettype($to_name)!="array") $to_name=split(",",$to_name); //如果不是数组，转换成数组，哪怕只有一个发送对象;
$this->buildbody($text_body,$html_body,$att); // 所有信件的内容是一样的，可以只编一次，而对于不同的收信人，需要不同的 head
if (!$this->open()) return false; if (!$this->command("helo $this->hostname",3,"250")) return false; // 与服务器建立链接 if (!$this->open()) return false; if (!$this->command("helo $this->hostname",3,"250")) return false;
for ($i=0;$i<count($to_mail);$i++) { $this->buildhead($from_name,$to_name[$i],$from_mail,$to_mail[$i],$subject); if (!$this->command("rset",3,"250")) return false; if (!$this->command("mail from:".$from_mail,3,"250")) return false; if (!$this->command("rcpt to:".$to_mail[$i],3,"250")) return false; if (!$this->command("data",3,"354")) return false; // 准备发送邮件 if ($this->debug) $this->outdebug("sending subject;"); if (!fputs($this->connection,$this->subject)) { $this->err_str="发送邮件头时出错！"; return false;} if ($this->debug) $this->outdebug("sending body;"); if (!fputs($this->connection,$this->body)) { $this->err_str="发送正文时出错！"; return false;} if (!fputs($this->connection,"./r/n")) { $this->err_str="发送正文时出错！"; return false;} //正文发送完毕，退出； $resp=fgets($this->connection,256); if($this->debug) $this->outdebug("$resp"); if (substr($resp,0,1)!="2") { $this->err_str="发送完后，服务器没有响应！！"; return false; } // 发送邮件 } if (!$this->command("quit",3,"221")) return false; $this->close(); return true; }
}//end class define }//end if(!isset($__smtp_class__)) ?>
