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  • PHP

Classes

  • NMail
  • NMailMimePart
  • NSendmailMailer
  • NSmtpMailer

Interfaces

  • IMailer

Exceptions

  • NSmtpException
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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  *
  6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Mail
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * Sends emails via the SMTP server.
 17:  *
 18:  * @author     David Grudl
 19:  * @package Nette\Mail
 20:  */
 21: class NSmtpMailer extends NObject implements IMailer
 22: {
 23:     /** @var resource */
 24:     private $connection;
 25: 
 26:     /** @var string */
 27:     private $host;
 28: 
 29:     /** @var int */
 30:     private $port;
 31: 
 32:     /** @var string */
 33:     private $username;
 34: 
 35:     /** @var string */
 36:     private $password;
 37: 
 38:     /** @var string ssl | tls | (empty) */
 39:     private $secure;
 40: 
 41:     /** @var int */
 42:     private $timeout;
 43: 
 44: 
 45: 
 46:     public function __construct(array $options = array())
 47:     {
 48:         if (isset($options['host'])) {
 49:             $this->host = $options['host'];
 50:             $this->port = isset($options['port']) ? (int) $options['port'] : NULL;
 51:         } else {
 52:             $this->host = ini_get('SMTP');
 53:             $this->port = (int) ini_get('smtp_port');
 54:         }
 55:         $this->username = isset($options['username']) ? $options['username'] : '';
 56:         $this->password = isset($options['password']) ? $options['password'] : '';
 57:         $this->secure = isset($options['secure']) ? $options['secure'] : '';
 58:         $this->timeout = isset($options['timeout']) ? (int) $options['timeout'] : 20;
 59:         if (!$this->port) {
 60:             $this->port = $this->secure === 'ssl' ? 465 : 25;
 61:         }
 62:     }
 63: 
 64: 
 65: 
 66:     /**
 67:      * Sends email.
 68:      * @param  NMail
 69:      * @return void
 70:      */
 71:     public function send(NMail $mail)
 72:     {
 73:         $data = $mail->generateMessage();
 74: 
 75:         $this->connect();
 76: 
 77:         $from = $mail->getHeader('From');
 78:         if ($from) {
 79:             $from = array_keys($from);
 80:             $this->write("MAIL FROM:<$from[0]>", 250);
 81:         }
 82: 
 83:         foreach (array_merge(
 84:             (array) $mail->getHeader('To'),
 85:             (array) $mail->getHeader('Cc'),
 86:             (array) $mail->getHeader('Bcc')
 87:         ) as $email => $name) {
 88:             $this->write("RCPT TO:<$email>", array(250, 251));
 89:         }
 90: 
 91:         $this->write('DATA', 354);
 92:         $data = preg_replace('#^\.#m', '..', $data);
 93:         $this->write($data);
 94:         $this->write('.', 250);
 95: 
 96:         $this->write('QUIT', 221);
 97: 
 98:         $this->disconnect();
 99:     }
100: 
101: 
102: 
103:     /**
104:      * Connects and authenticates to SMTP server.
105:      * @return void
106:      */
107:     private function connect()
108:     {
109:         $this->connection = @fsockopen( // intentionally @
110:             ($this->secure === 'ssl' ? 'ssl://' : '') . $this->host,
111:             $this->port, $errno, $error, $this->timeout
112:         );
113:         if (!$this->connection) {
114:             throw new NSmtpException($error, $errno);
115:         }
116:         stream_set_timeout($this->connection, $this->timeout, 0);
117:         $this->read(); // greeting
118: 
119:         $self = isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost';
120:         $this->write("EHLO $self");
121:         if ((int) $this->read() !== 250) {
122:             $this->write("HELO $self", 250);
123:         }
124: 
125:         if ($this->secure === 'tls') {
126:             $this->write('STARTTLS', 220);
127:             if (!stream_socket_enable_crypto($this->connection, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
128:                 throw new NSmtpException('Unable to connect via TLS.');
129:             }
130:         }
131: 
132:         if ($this->username != NULL && $this->password != NULL) {
133:             $this->write('AUTH LOGIN', 334);
134:             $this->write(base64_encode($this->username), 334, 'username');
135:             $this->write(base64_encode($this->password), 235, 'password');
136:         }
137:     }
138: 
139: 
140: 
141:     /**
142:      * Disconnects from SMTP server.
143:      * @return void
144:      */
145:     private function disconnect()
146:     {
147:         fclose($this->connection);
148:         $this->connection = NULL;
149:     }
150: 
151: 
152: 
153:     /**
154:      * Writes data to server and checks response.
155:      * @param  string
156:      * @param  int   response code
157:      * @param  string  error message
158:      * @return void
159:      */
160:     private function write($line, $expectedCode = NULL, $message = NULL)
161:     {
162:         fwrite($this->connection, $line . NMail::EOL);
163:         if ($expectedCode && !in_array((int) $this->read(), (array) $expectedCode)) {
164:             throw new NSmtpException('SMTP server did not accept ' . ($message ? $message : $line));
165:         }
166:     }
167: 
168: 
169: 
170:     /**
171:      * Reads response from server.
172:      * @return string
173:      */
174:     private function read()
175:     {
176:         $s = '';
177:         while (($line = fgets($this->connection, 1e3)) != NULL) { // intentionally ==
178:             $s .= $line;
179:             if (substr($line, 3, 1) === ' ') {
180:                 break;
181:             }
182:         }
183:         return $s;
184:     }
185: 
186: }
187: 
188: 
189: 
190: /**
191:  * SMTP mailer exception.
192:  *
193:  * @author     David Grudl
194:  * @package Nette\Mail
195:  */
196: class NSmtpException extends Exception
197: {
198: }
199: 
Nette Framework 2.0.0 (for PHP 5.2, prefixed) API API documentation generated by ApiGen 2.7.0