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-rw-r--r--public/system/library/mail/smtp.php350
1 files changed, 350 insertions, 0 deletions
diff --git a/public/system/library/mail/smtp.php b/public/system/library/mail/smtp.php
new file mode 100644
index 0000000..f5f822d
--- /dev/null
+++ b/public/system/library/mail/smtp.php
@@ -0,0 +1,350 @@
+<?php
+namespace Mail;
+class Smtp {
+ public $smtp_hostname;
+ public $smtp_username;
+ public $smtp_password;
+ public $smtp_port = 25;
+ public $smtp_timeout = 5;
+ public $verp = false;
+
+ public function send() {
+ if (is_array($this->to)) {
+ $to = implode(',', $this->to);
+ } else {
+ $to = $this->to;
+ }
+
+ $boundary = '----=_NextPart_' . md5(time());
+
+ $header = 'MIME-Version: 1.0' . PHP_EOL;
+ $header .= 'To: <' . $to . '>' . PHP_EOL;
+ $header .= 'Subject: =?UTF-8?B?' . base64_encode($this->subject) . '?=' . PHP_EOL;
+ $header .= 'Date: ' . date('D, d M Y H:i:s O') . PHP_EOL;
+ $header .= 'From: =?UTF-8?B?' . base64_encode($this->sender) . '?= <' . $this->from . '>' . PHP_EOL;
+
+ if (!$this->reply_to) {
+ $header .= 'Reply-To: =?UTF-8?B?' . base64_encode($this->sender) . '?= <' . $this->from . '>' . PHP_EOL;
+ } else {
+ $header .= 'Reply-To: =?UTF-8?B?' . base64_encode($this->reply_to) . '?= <' . $this->reply_to . '>' . PHP_EOL;
+ }
+
+ $header .= 'Return-Path: ' . $this->from . PHP_EOL;
+ $header .= 'X-Mailer: PHP/' . phpversion() . PHP_EOL;
+ $header .= 'Content-Type: multipart/mixed; boundary="' . $boundary . '"' . PHP_EOL . PHP_EOL;
+
+ if (!$this->html) {
+ $message = '--' . $boundary . PHP_EOL;
+ $message .= 'Content-Type: text/plain; charset="utf-8"' . PHP_EOL;
+ $message .= 'Content-Transfer-Encoding: 8bit' . PHP_EOL . PHP_EOL;
+ $message .= $this->text . PHP_EOL;
+ } else {
+ $message = '--' . $boundary . PHP_EOL;
+ $message .= 'Content-Type: multipart/alternative; boundary="' . $boundary . '_alt"' . PHP_EOL . PHP_EOL;
+ $message .= '--' . $boundary . '_alt' . PHP_EOL;
+ $message .= 'Content-Type: text/plain; charset="utf-8"' . PHP_EOL;
+ $message .= 'Content-Transfer-Encoding: 8bit' . PHP_EOL . PHP_EOL;
+
+ if ($this->text) {
+ $message .= $this->text . PHP_EOL;
+ } else {
+ $message .= 'This is a HTML email and your email client software does not support HTML email!' . PHP_EOL;
+ }
+
+ $message .= '--' . $boundary . '_alt' . PHP_EOL;
+ $message .= 'Content-Type: text/html; charset="utf-8"' . PHP_EOL;
+ $message .= 'Content-Transfer-Encoding: 8bit' . PHP_EOL . PHP_EOL;
+ $message .= $this->html . PHP_EOL;
+ $message .= '--' . $boundary . '_alt--' . PHP_EOL;
+ }
+
+ foreach ($this->attachments as $attachment) {
+ if (file_exists($attachment)) {
+ $handle = fopen($attachment, 'r');
+
+ $content = fread($handle, filesize($attachment));
+
+ fclose($handle);
+
+ $message .= '--' . $boundary . PHP_EOL;
+ $message .= 'Content-Type: application/octet-stream; name="' . basename($attachment) . '"' . PHP_EOL;
+ $message .= 'Content-Transfer-Encoding: base64' . PHP_EOL;
+ $message .= 'Content-Disposition: attachment; filename="' . basename($attachment) . '"' . PHP_EOL;
+ $message .= 'Content-ID: <' . urlencode(basename($attachment)) . '>' . PHP_EOL;
+ $message .= 'X-Attachment-Id: ' . urlencode(basename($attachment)) . PHP_EOL . PHP_EOL;
+ $message .= chunk_split(base64_encode($content));
+ }
+ }
+
+ $message .= '--' . $boundary . '--' . PHP_EOL;
+
+ if (substr($this->smtp_hostname, 0, 3) == 'tls') {
+ $hostname = substr($this->smtp_hostname, 6);
+ } else {
+ $hostname = $this->smtp_hostname;
+ }
+
+ $handle = fsockopen($hostname, $this->smtp_port, $errno, $errstr, $this->smtp_timeout);
+
+ if (!$handle) {
+ throw new \Exception('Error: ' . $errstr . ' (' . $errno . ')');
+ } else {
+ if (substr(PHP_OS, 0, 3) != 'WIN') {
+ socket_set_timeout($handle, $this->smtp_timeout, 0);
+ }
+
+ while ($line = fgets($handle, 515)) {
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ fputs($handle, 'EHLO ' . getenv('SERVER_NAME') . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ //some SMTP servers respond with 220 code before responding with 250. hence, we need to ignore 220 response string
+ if (substr($reply, 0, 3) == 220 && substr($line, 3, 1) == ' ') {
+ $reply = '';
+ continue;
+ }
+ else if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 250) {
+ throw new \Exception('Error: EHLO not accepted from server!');
+ }
+
+ if (substr($this->smtp_hostname, 0, 3) == 'tls') {
+ fputs($handle, 'STARTTLS' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 220) {
+ throw new \Exception('Error: STARTTLS not accepted from server!');
+ }
+
+ stream_socket_enable_crypto($handle, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
+ }
+
+ if (!empty($this->smtp_username) && !empty($this->smtp_password)) {
+ fputs($handle, 'EHLO ' . getenv('SERVER_NAME') . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 250) {
+ throw new \Exception('Error: EHLO not accepted from server!');
+ }
+
+ fputs($handle, 'AUTH LOGIN' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 334) {
+ throw new \Exception('Error: AUTH LOGIN not accepted from server!');
+ }
+
+ fputs($handle, base64_encode($this->smtp_username) . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 334) {
+ throw new \Exception('Error: Username not accepted from server!');
+ }
+
+ fputs($handle, base64_encode($this->smtp_password) . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 235) {
+ throw new \Exception('Error: Password not accepted from server!');
+ }
+ } else {
+ fputs($handle, 'HELO ' . getenv('SERVER_NAME') . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 250) {
+ throw new \Exception('Error: HELO not accepted from server!');
+ }
+ }
+
+ if ($this->verp) {
+ fputs($handle, 'MAIL FROM: <' . $this->from . '>XVERP' . "\r\n");
+ } else {
+ fputs($handle, 'MAIL FROM: <' . $this->from . '>' . "\r\n");
+ }
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 250) {
+ throw new \Exception('Error: MAIL FROM not accepted from server!');
+ }
+
+ if (!is_array($this->to)) {
+ fputs($handle, 'RCPT TO: <' . $this->to . '>' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if ((substr($reply, 0, 3) != 250) && (substr($reply, 0, 3) != 251)) {
+ throw new \Exception('Error: RCPT TO not accepted from server!');
+ }
+ } else {
+ foreach ($this->to as $recipient) {
+ fputs($handle, 'RCPT TO: <' . $recipient . '>' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if ((substr($reply, 0, 3) != 250) && (substr($reply, 0, 3) != 251)) {
+ throw new \Exception('Error: RCPT TO not accepted from server!');
+ }
+ }
+ }
+
+ fputs($handle, 'DATA' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 354) {
+ throw new \Exception('Error: DATA not accepted from server!');
+ }
+
+ // According to rfc 821 we should not send more than 1000 including the CRLF
+ $message = str_replace("\r\n", "\n", $header . $message);
+ $message = str_replace("\r", "\n", $message);
+
+ $lines = explode("\n", $message);
+
+ foreach ($lines as $line) {
+ $results = str_split($line, 998);
+
+ foreach ($results as $result) {
+ if (substr(PHP_OS, 0, 3) != 'WIN') {
+ fputs($handle, $result . "\r\n");
+ } else {
+ fputs($handle, str_replace("\n", "\r\n", $result) . "\r\n");
+ }
+ }
+ }
+
+ fputs($handle, '.' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 250) {
+ throw new \Exception('Error: DATA not accepted from server!');
+ }
+
+ fputs($handle, 'QUIT' . "\r\n");
+
+ $reply = '';
+
+ while ($line = fgets($handle, 515)) {
+ $reply .= $line;
+
+ if (substr($line, 3, 1) == ' ') {
+ break;
+ }
+ }
+
+ if (substr($reply, 0, 3) != 221) {
+ throw new \Exception('Error: QUIT not accepted from server!');
+ }
+
+ fclose($handle);
+ }
+ }
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-17 00:17:17 +0000