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<?php
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/**
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* email smtp （support php7）
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*
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*/
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class Smtp
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{
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/* Public Variables */
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public $smtp_port;
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public $time_out;
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public $host_name;
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public $log_file;
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public $relay_host;
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public $debug;
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public $auth;
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public $user;
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public $pass;
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/* Private Variables */
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private $sock;
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/* Constractor */
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function __construct($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
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{
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$this->debug = FALSE;
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$this->smtp_port = $smtp_port;
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$this->relay_host = $relay_host;
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$this->time_out = 30; //is used in fsockopen()
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$this->auth = $auth;//auth
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$this->user = $user;
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$this->pass = $pass;
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$this->host_name = "localhost"; //is used in HELO command
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$this->log_file = "";
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$this->sock = FALSE;
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}
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/* Main Function */
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function sendmail($to, $from, $subject, $body, $mailtype, $cc, $bcc, $additional_headers, $fromUser, $replyToAddress)
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{
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$mail_from = $this->get_address($this->strip_comment($from));
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$body = preg_replace("/(^|(\r\n))(\.)/", "\1.\3", $body);
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$header = "MIME-Version:1.0\r\n";
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if($mailtype=="HTML"){
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$header .= "Content-Type:text/html; charset=utf-8\r\n";
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}
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$header .= "To: ".$to."\r\n";
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if ($cc != "") {
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$header .= "Cc: ".$cc."\r\n";
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}
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$header .= "From: $fromUser<".$from.">\r\n";
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$header .= "Subject: ".$subject."\r\n";
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$header .= "Reply-To: ".$replyToAddress."\r\n";
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$header .= $additional_headers;
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$header .= "Date: ".date("r")."\r\n";
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$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
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list($msec, $sec) = explode(" ", microtime());
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$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
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$TO = explode(",", $this->strip_comment($to));
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if ($cc != "") {
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$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
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}
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if ($bcc != "") {
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$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
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}
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$sent = TRUE;
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foreach ($TO as $rcpt_to) {
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$rcpt_to = $this->get_address($rcpt_to);
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if (!$this->smtp_sockopen($rcpt_to)) {
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$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
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$sent = FALSE;
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continue;
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}
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if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
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$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
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} else {
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$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
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$sent = FALSE;
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}
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fclose($this->sock);
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$this->log_write("Disconnected from remote host\n");
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}
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return $sent;
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}
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/* Private Functions */
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function smtp_send($helo, $from, $to, $header, $body = "")
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{
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if (!$this->smtp_putcmd("HELO", $helo)) {
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return $this->smtp_error("sending HELO command");
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}
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//auth
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if($this->auth){
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if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
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return $this->smtp_error("sending HELO command");
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}
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if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
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return $this->smtp_error("sending HELO command");
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}
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}
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if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {
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return $this->smtp_error("sending MAIL FROM command");
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}
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if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {
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return $this->smtp_error("sending RCPT TO command");
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}
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if (!$this->smtp_putcmd("DATA")) {
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return $this->smtp_error("sending DATA command");
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}
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if (!$this->smtp_message($header, $body)) {
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return $this->smtp_error("sending message");
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}
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if (!$this->smtp_eom()) {
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return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
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}
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if (!$this->smtp_putcmd("QUIT")) {
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return $this->smtp_error("sending QUIT command");
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}
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return TRUE;
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}
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function smtp_sockopen($address)
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{
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if ($this->relay_host == "") {
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return $this->smtp_sockopen_mx($address);
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} else {
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return $this->smtp_sockopen_relay();
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}
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}
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function smtp_sockopen_relay()
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{
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$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
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$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
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if (!($this->sock && $this->smtp_ok())) {
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$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
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$this->log_write("Error: ".$errstr." (".$errno.")\n");
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return FALSE;
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}
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$this->log_write("Connected to relay host ".$this->relay_host."\n");
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return TRUE;
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}
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function smtp_sockopen_mx($address)
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{
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$domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);
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if (!@getmxrr($domain, $MXHOSTS)) {
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$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");
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return FALSE;
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}
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foreach ($MXHOSTS as $host) {
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$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
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$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
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if (!($this->sock && $this->smtp_ok())) {
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$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
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$this->log_write("Error: ".$errstr." (".$errno.")\n");
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continue;
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}
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$this->log_write("Connected to mx host ".$host."\n");
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return TRUE;
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}
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$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
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return FALSE;
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}
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function smtp_message($header, $body)
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{
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fputs($this->sock, $header."\r\n".$body);
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$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
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return TRUE;
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}
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function smtp_eom()
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{
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fputs($this->sock, "\r\n.\r\n");
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$this->smtp_debug(". [EOM]\n");
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return $this->smtp_ok();
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}
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function smtp_ok()
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{
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$response = str_replace("\r\n", "", fgets($this->sock, 512));
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$this->smtp_debug($response."\n");
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if (!preg_match("/^[23]/", $response)) {
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fputs($this->sock, "QUIT\r\n");
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fgets($this->sock, 512);
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$this->log_write("Error: Remote host returned \"".$response."\"\n");
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return FALSE;
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}
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return TRUE;
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}
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function smtp_putcmd($cmd, $arg = "")
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{
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if ($arg != "") {
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if($cmd=="") $cmd = $arg;
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else $cmd = $cmd." ".$arg;
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}
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fputs($this->sock, $cmd."\r\n");
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$this->smtp_debug("> ".$cmd."\n");
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return $this->smtp_ok();
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}
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function smtp_error($string)
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{
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$this->log_write("Error: Error occurred while ".$string.".\n");
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return FALSE;
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}
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function log_write($message)
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{
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$this->smtp_debug($message);
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if ($this->log_file == "") {
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return TRUE;
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}
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$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
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if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
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$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");
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return FALSE;
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}
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flock($fp, LOCK_EX);
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fputs($fp, $message);
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fclose($fp);
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return TRUE;
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}
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function strip_comment($address)
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{
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$comment = "/\([^()]*\)/";
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while (preg_match($comment, $address)) {
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$address = preg_replace($comment, "", $address);
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}
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return $address;
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}
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function get_address($address)
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{
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$address = preg_replace("/([ \t\r\n])+/", "", $address);
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$address = preg_replace("/^.*<(.+)>.*$/", "\1", $address);
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return $address;
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}
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function smtp_debug($message)
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{
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if ($this->debug) {
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echo $message;
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}
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}
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} |