1 | <?php |
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2 | /* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */ |
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3 | // +----------------------------------------------------------------------+ |
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4 | // | PHP Version 4 | |
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5 | // +----------------------------------------------------------------------+ |
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6 | // | Copyright (c) 1997-2003 The PHP Group | |
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7 | // +----------------------------------------------------------------------+ |
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8 | // | This source file is subject to version 2.02 of the PHP license, | |
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9 | // | that is bundled with this package in the file LICENSE, and is | |
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10 | // | available at through the world-wide-web at | |
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11 | // | http://www.php.net/license/2_02.txt. | |
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12 | // | If you did not receive a copy of the PHP license and are unable to | |
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13 | // | obtain it through the world-wide-web, please send a note to | |
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14 | // | license@php.net so we can mail you a copy immediately. | |
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15 | // +----------------------------------------------------------------------+ |
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16 | // | Authors: Chuck Hagenbuch <chuck@horde.org> | |
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17 | // | Jon Parise <jon@php.net> | |
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18 | // | Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar> | |
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19 | // +----------------------------------------------------------------------+ |
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20 | // |
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21 | // $Id: SMTP.php 314875 2011-08-13 17:03:30Z jon $ |
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22 | |
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23 | require_once dirname(__FILE__).'/../PEAR/PEAR.php'; |
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24 | require_once dirname(__FILE__).'/../Net/Socket.php'; |
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25 | |
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26 | /** |
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27 | * Provides an implementation of the SMTP protocol using PEAR's |
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28 | * Net_Socket:: class. |
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29 | * |
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30 | * @package Net_SMTP |
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31 | * @author Chuck Hagenbuch <chuck@horde.org> |
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32 | * @author Jon Parise <jon@php.net> |
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33 | * @author Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar> |
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34 | * |
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35 | * @example basic.php A basic implementation of the Net_SMTP package. |
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36 | */ |
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37 | class Net_SMTP |
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38 | { |
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39 | /** |
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40 | * The server to connect to. |
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41 | * @var string |
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42 | * @access public |
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43 | */ |
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44 | var $host = 'localhost'; |
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45 | |
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46 | /** |
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47 | * The port to connect to. |
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48 | * @var int |
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49 | * @access public |
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50 | */ |
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51 | var $port = 25; |
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52 | |
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53 | /** |
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54 | * The value to give when sending EHLO or HELO. |
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55 | * @var string |
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56 | * @access public |
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57 | */ |
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58 | var $localhost = 'localhost'; |
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59 | |
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60 | /** |
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61 | * List of supported authentication methods, in preferential order. |
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62 | * @var array |
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63 | * @access public |
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64 | */ |
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65 | var $auth_methods = array(); |
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66 | |
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67 | /** |
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68 | * Use SMTP command pipelining (specified in RFC 2920) if the SMTP |
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69 | * server supports it. |
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70 | * |
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71 | * When pipeling is enabled, rcptTo(), mailFrom(), sendFrom(), |
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72 | * somlFrom() and samlFrom() do not wait for a response from the |
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73 | * SMTP server but return immediately. |
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74 | * |
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75 | * @var bool |
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76 | * @access public |
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77 | */ |
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78 | var $pipelining = false; |
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79 | |
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80 | /** |
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81 | * Number of pipelined commands. |
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82 | * @var int |
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83 | * @access private |
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84 | */ |
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85 | var $_pipelined_commands = 0; |
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86 | |
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87 | /** |
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88 | * Should debugging output be enabled? |
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89 | * @var boolean |
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90 | * @access private |
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91 | */ |
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92 | var $_debug = false; |
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93 | |
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94 | /** |
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95 | * Debug output handler. |
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96 | * @var callback |
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97 | * @access private |
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98 | */ |
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99 | var $_debug_handler = null; |
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100 | |
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101 | /** |
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102 | * The socket resource being used to connect to the SMTP server. |
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103 | * @var resource |
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104 | * @access private |
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105 | */ |
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106 | var $_socket = null; |
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107 | |
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108 | /** |
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109 | * Array of socket options that will be passed to Net_Socket::connect(). |
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110 | * @see stream_context_create() |
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111 | * @var array |
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112 | * @access private |
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113 | */ |
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114 | var $_socket_options = null; |
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115 | |
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116 | /** |
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117 | * The socket I/O timeout value in seconds. |
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118 | * @var int |
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119 | * @access private |
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120 | */ |
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121 | var $_timeout = 0; |
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122 | |
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123 | /** |
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124 | * The most recent server response code. |
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125 | * @var int |
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126 | * @access private |
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127 | */ |
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128 | var $_code = -1; |
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129 | |
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130 | /** |
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131 | * The most recent server response arguments. |
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132 | * @var array |
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133 | * @access private |
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134 | */ |
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135 | var $_arguments = array(); |
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136 | |
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137 | /** |
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138 | * Stores the SMTP server's greeting string. |
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139 | * @var string |
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140 | * @access private |
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141 | */ |
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142 | var $_greeting = null; |
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143 | |
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144 | /** |
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145 | * Stores detected features of the SMTP server. |
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146 | * @var array |
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147 | * @access private |
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148 | */ |
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149 | var $_esmtp = array(); |
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150 | |
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151 | /** |
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152 | * Instantiates a new Net_SMTP object, overriding any defaults |
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153 | * with parameters that are passed in. |
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154 | * |
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155 | * If you have SSL support in PHP, you can connect to a server |
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156 | * over SSL using an 'ssl://' prefix: |
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157 | * |
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158 | * // 465 is a common smtps port. |
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159 | * $smtp = new Net_SMTP('ssl://mail.host.com', 465); |
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160 | * $smtp->connect(); |
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161 | * |
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162 | * @param string $host The server to connect to. |
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163 | * @param integer $port The port to connect to. |
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164 | * @param string $localhost The value to give when sending EHLO or HELO. |
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165 | * @param boolean $pipeling Use SMTP command pipelining |
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166 | * @param integer $timeout Socket I/O timeout in seconds. |
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167 | * @param array $socket_options Socket stream_context_create() options. |
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168 | * |
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169 | * @access public |
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170 | * @since 1.0 |
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171 | */ |
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172 | function Net_SMTP($host = null, $port = null, $localhost = null, |
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173 | $pipelining = false, $timeout = 0, $socket_options = null) |
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174 | { |
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175 | if (isset($host)) { |
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176 | $this->host = $host; |
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177 | } |
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178 | if (isset($port)) { |
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179 | $this->port = $port; |
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180 | } |
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181 | if (isset($localhost)) { |
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182 | $this->localhost = $localhost; |
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183 | } |
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184 | $this->pipelining = $pipelining; |
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185 | |
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186 | $this->_socket = new Net_Socket(); |
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187 | $this->_socket_options = $socket_options; |
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188 | $this->_timeout = $timeout; |
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189 | |
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190 | /* Include the Auth_SASL package. If the package is available, we |
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191 | * enable the authentication methods that depend upon it. */ |
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192 | if (@include_once 'Auth/SASL.php') { |
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193 | $this->setAuthMethod('CRAM-MD5', array($this, '_authCram_MD5')); |
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194 | $this->setAuthMethod('DIGEST-MD5', array($this, '_authDigest_MD5')); |
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195 | } |
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196 | |
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197 | /* These standard authentication methods are always available. */ |
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198 | $this->setAuthMethod('LOGIN', array($this, '_authLogin'), false); |
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199 | $this->setAuthMethod('PLAIN', array($this, '_authPlain'), false); |
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200 | } |
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201 | |
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202 | /** |
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203 | * Set the socket I/O timeout value in seconds plus microseconds. |
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204 | * |
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205 | * @param integer $seconds Timeout value in seconds. |
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206 | * @param integer $microseconds Additional value in microseconds. |
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207 | * |
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208 | * @access public |
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209 | * @since 1.5.0 |
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210 | */ |
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211 | function setTimeout($seconds, $microseconds = 0) { |
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212 | return $this->_socket->setTimeout($seconds, $microseconds); |
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213 | } |
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214 | |
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215 | /** |
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216 | * Set the value of the debugging flag. |
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217 | * |
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218 | * @param boolean $debug New value for the debugging flag. |
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219 | * |
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220 | * @access public |
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221 | * @since 1.1.0 |
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222 | */ |
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223 | function setDebug($debug, $handler = null) |
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224 | { |
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225 | $this->_debug = $debug; |
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226 | $this->_debug_handler = $handler; |
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227 | } |
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228 | |
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229 | /** |
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230 | * Write the given debug text to the current debug output handler. |
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231 | * |
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232 | * @param string $message Debug mesage text. |
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233 | * |
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234 | * @access private |
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235 | * @since 1.3.3 |
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236 | */ |
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237 | function _debug($message) |
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238 | { |
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239 | if ($this->_debug) { |
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240 | if ($this->_debug_handler) { |
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241 | call_user_func_array($this->_debug_handler, |
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242 | array(&$this, $message)); |
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243 | } else { |
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244 | echo "DEBUG: $message\n"; |
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245 | } |
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246 | } |
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247 | } |
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248 | |
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249 | /** |
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250 | * Send the given string of data to the server. |
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251 | * |
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252 | * @param string $data The string of data to send. |
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253 | * |
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254 | * @return mixed The number of bytes that were actually written, |
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255 | * or a PEAR_Error object on failure. |
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256 | * |
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257 | * @access private |
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258 | * @since 1.1.0 |
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259 | */ |
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260 | function _send($data) |
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261 | { |
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262 | $this->_debug("Send: $data"); |
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263 | |
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264 | $result = $this->_socket->write($data); |
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265 | if (!$result || PEAR::isError($result)) { |
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266 | $msg = ($result) ? $result->getMessage() : "unknown error"; |
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267 | return PEAR::raiseError("Failed to write to socket: $msg", |
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268 | null, PEAR_ERROR_RETURN); |
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269 | } |
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270 | |
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271 | return $result; |
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272 | } |
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273 | |
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274 | /** |
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275 | * Send a command to the server with an optional string of |
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276 | * arguments. A carriage return / linefeed (CRLF) sequence will |
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277 | * be appended to each command string before it is sent to the |
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278 | * SMTP server - an error will be thrown if the command string |
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279 | * already contains any newline characters. Use _send() for |
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280 | * commands that must contain newlines. |
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281 | * |
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282 | * @param string $command The SMTP command to send to the server. |
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283 | * @param string $args A string of optional arguments to append |
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284 | * to the command. |
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285 | * |
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286 | * @return mixed The result of the _send() call. |
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287 | * |
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288 | * @access private |
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289 | * @since 1.1.0 |
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290 | */ |
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291 | function _put($command, $args = '') |
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292 | { |
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293 | if (!empty($args)) { |
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294 | $command .= ' ' . $args; |
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295 | } |
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296 | |
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297 | if (strcspn($command, "\r\n") !== strlen($command)) { |
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298 | return PEAR::raiseError('Commands cannot contain newlines', |
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299 | null, PEAR_ERROR_RETURN); |
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300 | } |
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301 | |
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302 | return $this->_send($command . "\r\n"); |
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303 | } |
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304 | |
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305 | /** |
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306 | * Read a reply from the SMTP server. The reply consists of a response |
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307 | * code and a response message. |
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308 | * |
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309 | * @param mixed $valid The set of valid response codes. These |
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310 | * may be specified as an array of integer |
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311 | * values or as a single integer value. |
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312 | * @param bool $later Do not parse the response now, but wait |
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313 | * until the last command in the pipelined |
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314 | * command group |
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315 | * |
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316 | * @return mixed True if the server returned a valid response code or |
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317 | * a PEAR_Error object is an error condition is reached. |
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318 | * |
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319 | * @access private |
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320 | * @since 1.1.0 |
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321 | * |
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322 | * @see getResponse |
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323 | */ |
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324 | function _parseResponse($valid, $later = false) |
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325 | { |
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326 | $this->_code = -1; |
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327 | $this->_arguments = array(); |
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328 | |
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329 | if ($later) { |
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330 | $this->_pipelined_commands++; |
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331 | return true; |
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332 | } |
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333 | |
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334 | for ($i = 0; $i <= $this->_pipelined_commands; ++$i) { |
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335 | while ($line = $this->_socket->readLine()) { |
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336 | $this->_debug("Recv: $line"); |
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337 | |
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338 | /* If we receive an empty line, the connection was closed. */ |
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339 | if (empty($line)) { |
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340 | $this->disconnect(); |
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341 | return PEAR::raiseError('Connection was closed', |
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342 | null, PEAR_ERROR_RETURN); |
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343 | } |
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344 | |
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345 | /* Read the code and store the rest in the arguments array. */ |
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346 | $code = substr($line, 0, 3); |
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347 | $this->_arguments[] = trim(substr($line, 4)); |
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348 | |
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349 | /* Check the syntax of the response code. */ |
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350 | if (is_numeric($code)) { |
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351 | $this->_code = (int)$code; |
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352 | } else { |
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353 | $this->_code = -1; |
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354 | break; |
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355 | } |
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356 | |
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357 | /* If this is not a multiline response, we're done. */ |
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358 | if (substr($line, 3, 1) != '-') { |
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359 | break; |
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360 | } |
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361 | } |
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362 | } |
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363 | |
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364 | $this->_pipelined_commands = 0; |
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365 | |
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366 | /* Compare the server's response code with the valid code/codes. */ |
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367 | if (is_int($valid) && ($this->_code === $valid)) { |
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368 | return true; |
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369 | } elseif (is_array($valid) && in_array($this->_code, $valid, true)) { |
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370 | return true; |
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371 | } |
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372 | |
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373 | return PEAR::raiseError('Invalid response code received from server', |
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374 | $this->_code, PEAR_ERROR_RETURN); |
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375 | } |
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376 | |
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377 | /** |
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378 | * Issue an SMTP command and verify its response. |
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379 | * |
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380 | * @param string $command The SMTP command string or data. |
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381 | * @param mixed $valid The set of valid response codes. These |
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382 | * may be specified as an array of integer |
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383 | * values or as a single integer value. |
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384 | * |
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385 | * @return mixed True on success or a PEAR_Error object on failure. |
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386 | * |
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387 | * @access public |
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388 | * @since 1.6.0 |
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389 | */ |
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390 | function command($command, $valid) |
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391 | { |
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392 | if (PEAR::isError($error = $this->_put($command))) { |
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393 | return $error; |
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394 | } |
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395 | if (PEAR::isError($error = $this->_parseResponse($valid))) { |
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396 | return $error; |
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397 | } |
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398 | |
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399 | return true; |
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400 | } |
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401 | |
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402 | /** |
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403 | * Return a 2-tuple containing the last response from the SMTP server. |
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404 | * |
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405 | * @return array A two-element array: the first element contains the |
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406 | * response code as an integer and the second element |
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407 | * contains the response's arguments as a string. |
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408 | * |
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409 | * @access public |
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410 | * @since 1.1.0 |
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411 | */ |
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412 | function getResponse() |
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413 | { |
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414 | return array($this->_code, join("\n", $this->_arguments)); |
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415 | } |
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416 | |
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417 | /** |
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418 | * Return the SMTP server's greeting string. |
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419 | * |
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420 | * @return string A string containing the greeting string, or null if a |
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421 | * greeting has not been received. |
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422 | * |
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423 | * @access public |
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424 | * @since 1.3.3 |
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425 | */ |
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426 | function getGreeting() |
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427 | { |
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428 | return $this->_greeting; |
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429 | } |
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430 | |
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431 | /** |
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432 | * Attempt to connect to the SMTP server. |
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433 | * |
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434 | * @param int $timeout The timeout value (in seconds) for the |
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435 | * socket connection attempt. |
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436 | * @param bool $persistent Should a persistent socket connection |
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437 | * be used? |
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438 | * |
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439 | * @return mixed Returns a PEAR_Error with an error message on any |
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440 | * kind of failure, or true on success. |
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441 | * @access public |
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442 | * @since 1.0 |
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443 | */ |
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444 | function connect($timeout = null, $persistent = false) |
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445 | { |
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446 | $this->_greeting = null; |
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447 | $result = $this->_socket->connect($this->host, $this->port, |
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448 | $persistent, $timeout, |
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449 | $this->_socket_options); |
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450 | if (PEAR::isError($result)) { |
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451 | return PEAR::raiseError('Failed to connect socket: ' . |
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452 | $result->getMessage()); |
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453 | } |
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454 | |
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455 | /* |
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456 | * Now that we're connected, reset the socket's timeout value for |
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457 | * future I/O operations. This allows us to have different socket |
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458 | * timeout values for the initial connection (our $timeout parameter) |
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459 | * and all other socket operations. |
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460 | */ |
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461 | if ($this->_timeout > 0) { |
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462 | if (PEAR::isError($error = $this->setTimeout($this->_timeout))) { |
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463 | return $error; |
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464 | } |
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465 | } |
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466 | |
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467 | if (PEAR::isError($error = $this->_parseResponse(220))) { |
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468 | return $error; |
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469 | } |
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470 | |
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471 | /* Extract and store a copy of the server's greeting string. */ |
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472 | list(, $this->_greeting) = $this->getResponse(); |
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473 | |
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474 | if (PEAR::isError($error = $this->_negotiate())) { |
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475 | return $error; |
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476 | } |
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477 | |
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478 | return true; |
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479 | } |
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480 | |
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481 | /** |
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482 | * Attempt to disconnect from the SMTP server. |
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483 | * |
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484 | * @return mixed Returns a PEAR_Error with an error message on any |
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485 | * kind of failure, or true on success. |
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486 | * @access public |
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487 | * @since 1.0 |
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488 | */ |
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489 | function disconnect() |
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490 | { |
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491 | if (PEAR::isError($error = $this->_put('QUIT'))) { |
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492 | return $error; |
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493 | } |
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494 | if (PEAR::isError($error = $this->_parseResponse(221))) { |
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495 | return $error; |
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496 | } |
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497 | if (PEAR::isError($error = $this->_socket->disconnect())) { |
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498 | return PEAR::raiseError('Failed to disconnect socket: ' . |
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499 | $error->getMessage()); |
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500 | } |
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501 | |
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502 | return true; |
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503 | } |
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504 | |
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505 | /** |
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506 | * Attempt to send the EHLO command and obtain a list of ESMTP |
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507 | * extensions available, and failing that just send HELO. |
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508 | * |
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509 | * @return mixed Returns a PEAR_Error with an error message on any |
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510 | * kind of failure, or true on success. |
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511 | * |
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512 | * @access private |
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513 | * @since 1.1.0 |
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514 | */ |
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515 | function _negotiate() |
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516 | { |
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517 | if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) { |
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518 | return $error; |
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519 | } |
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520 | |
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521 | if (PEAR::isError($this->_parseResponse(250))) { |
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522 | /* If we receive a 503 response, we're already authenticated. */ |
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523 | if ($this->_code === 503) { |
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524 | return true; |
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525 | } |
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526 | |
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527 | /* If the EHLO failed, try the simpler HELO command. */ |
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528 | if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) { |
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529 | return $error; |
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530 | } |
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531 | if (PEAR::isError($this->_parseResponse(250))) { |
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532 | return PEAR::raiseError('HELO was not accepted: ', $this->_code, |
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533 | PEAR_ERROR_RETURN); |
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534 | } |
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535 | |
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536 | return true; |
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537 | } |
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538 | |
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539 | foreach ($this->_arguments as $argument) { |
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540 | $verb = strtok($argument, ' '); |
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541 | $arguments = substr($argument, strlen($verb) + 1, |
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542 | strlen($argument) - strlen($verb) - 1); |
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543 | $this->_esmtp[$verb] = $arguments; |
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544 | } |
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545 | |
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546 | if (!isset($this->_esmtp['PIPELINING'])) { |
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547 | $this->pipelining = false; |
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548 | } |
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549 | |
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550 | return true; |
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551 | } |
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552 | |
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553 | /** |
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554 | * Returns the name of the best authentication method that the server |
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555 | * has advertised. |
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556 | * |
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557 | * @return mixed Returns a string containing the name of the best |
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558 | * supported authentication method or a PEAR_Error object |
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559 | * if a failure condition is encountered. |
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560 | * @access private |
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561 | * @since 1.1.0 |
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562 | */ |
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563 | function _getBestAuthMethod() |
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564 | { |
---|
565 | $available_methods = explode(' ', $this->_esmtp['AUTH']); |
---|
566 | |
---|
567 | foreach ($this->auth_methods as $method => $callback) { |
---|
568 | if (in_array($method, $available_methods)) { |
---|
569 | return $method; |
---|
570 | } |
---|
571 | } |
---|
572 | |
---|
573 | return PEAR::raiseError('No supported authentication methods', |
---|
574 | null, PEAR_ERROR_RETURN); |
---|
575 | } |
---|
576 | |
---|
577 | /** |
---|
578 | * Attempt to do SMTP authentication. |
---|
579 | * |
---|
580 | * @param string The userid to authenticate as. |
---|
581 | * @param string The password to authenticate with. |
---|
582 | * @param string The requested authentication method. If none is |
---|
583 | * specified, the best supported method will be used. |
---|
584 | * @param bool Flag indicating whether or not TLS should be attempted. |
---|
585 | * @param string An optional authorization identifier. If specified, this |
---|
586 | * identifier will be used as the authorization proxy. |
---|
587 | * |
---|
588 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
589 | * kind of failure, or true on success. |
---|
590 | * @access public |
---|
591 | * @since 1.0 |
---|
592 | */ |
---|
593 | function auth($uid, $pwd , $method = '', $tls = true, $authz = '') |
---|
594 | { |
---|
595 | /* We can only attempt a TLS connection if one has been requested, |
---|
596 | * we're running PHP 5.1.0 or later, have access to the OpenSSL |
---|
597 | * extension, are connected to an SMTP server which supports the |
---|
598 | * STARTTLS extension, and aren't already connected over a secure |
---|
599 | * (SSL) socket connection. */ |
---|
600 | if ($tls && version_compare(PHP_VERSION, '5.1.0', '>=') && |
---|
601 | extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) && |
---|
602 | strncasecmp($this->host, 'ssl://', 6) !== 0) { |
---|
603 | /* Start the TLS connection attempt. */ |
---|
604 | if (PEAR::isError($result = $this->_put('STARTTLS'))) { |
---|
605 | return $result; |
---|
606 | } |
---|
607 | if (PEAR::isError($result = $this->_parseResponse(220))) { |
---|
608 | return $result; |
---|
609 | } |
---|
610 | if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) { |
---|
611 | return $result; |
---|
612 | } elseif ($result !== true) { |
---|
613 | return PEAR::raiseError('STARTTLS failed'); |
---|
614 | } |
---|
615 | |
---|
616 | /* Send EHLO again to recieve the AUTH string from the |
---|
617 | * SMTP server. */ |
---|
618 | $this->_negotiate(); |
---|
619 | } |
---|
620 | |
---|
621 | if (empty($this->_esmtp['AUTH'])) { |
---|
622 | return PEAR::raiseError('SMTP server does not support authentication'); |
---|
623 | } |
---|
624 | |
---|
625 | /* If no method has been specified, get the name of the best |
---|
626 | * supported method advertised by the SMTP server. */ |
---|
627 | if (empty($method)) { |
---|
628 | if (PEAR::isError($method = $this->_getBestAuthMethod())) { |
---|
629 | /* Return the PEAR_Error object from _getBestAuthMethod(). */ |
---|
630 | return $method; |
---|
631 | } |
---|
632 | } else { |
---|
633 | $method = strtoupper($method); |
---|
634 | if (!array_key_exists($method, $this->auth_methods)) { |
---|
635 | return PEAR::raiseError("$method is not a supported authentication method"); |
---|
636 | } |
---|
637 | } |
---|
638 | |
---|
639 | if (!isset($this->auth_methods[$method])) { |
---|
640 | return PEAR::raiseError("$method is not a supported authentication method"); |
---|
641 | } |
---|
642 | |
---|
643 | if (!is_callable($this->auth_methods[$method], false)) { |
---|
644 | return PEAR::raiseError("$method authentication method cannot be called"); |
---|
645 | } |
---|
646 | |
---|
647 | if (is_array($this->auth_methods[$method])) { |
---|
648 | list($object, $method) = $this->auth_methods[$method]; |
---|
649 | $result = $object->{$method}($uid, $pwd, $authz, $this); |
---|
650 | } else { |
---|
651 | $func = $this->auth_methods[$method]; |
---|
652 | $result = $func($uid, $pwd, $authz, $this); |
---|
653 | } |
---|
654 | |
---|
655 | /* If an error was encountered, return the PEAR_Error object. */ |
---|
656 | if (PEAR::isError($result)) { |
---|
657 | return $result; |
---|
658 | } |
---|
659 | |
---|
660 | return true; |
---|
661 | } |
---|
662 | |
---|
663 | /** |
---|
664 | * Add a new authentication method. |
---|
665 | * |
---|
666 | * @param string The authentication method name (e.g. 'PLAIN') |
---|
667 | * @param mixed The authentication callback (given as the name of a |
---|
668 | * function or as an (object, method name) array). |
---|
669 | * @param bool Should the new method be prepended to the list of |
---|
670 | * available methods? This is the default behavior, |
---|
671 | * giving the new method the highest priority. |
---|
672 | * |
---|
673 | * @return mixed True on success or a PEAR_Error object on failure. |
---|
674 | * |
---|
675 | * @access public |
---|
676 | * @since 1.6.0 |
---|
677 | */ |
---|
678 | function setAuthMethod($name, $callback, $prepend = true) |
---|
679 | { |
---|
680 | if (!is_string($name)) { |
---|
681 | return PEAR::raiseError('Method name is not a string'); |
---|
682 | } |
---|
683 | |
---|
684 | if (!is_string($callback) && !is_array($callback)) { |
---|
685 | return PEAR::raiseError('Method callback must be string or array'); |
---|
686 | } |
---|
687 | |
---|
688 | if (is_array($callback)) { |
---|
689 | if (!is_object($callback[0]) || !is_string($callback[1])) |
---|
690 | return PEAR::raiseError('Bad mMethod callback array'); |
---|
691 | } |
---|
692 | |
---|
693 | if ($prepend) { |
---|
694 | $this->auth_methods = array_merge(array($name => $callback), |
---|
695 | $this->auth_methods); |
---|
696 | } else { |
---|
697 | $this->auth_methods[$name] = $callback; |
---|
698 | } |
---|
699 | |
---|
700 | return true; |
---|
701 | } |
---|
702 | |
---|
703 | /** |
---|
704 | * Authenticates the user using the DIGEST-MD5 method. |
---|
705 | * |
---|
706 | * @param string The userid to authenticate as. |
---|
707 | * @param string The password to authenticate with. |
---|
708 | * @param string The optional authorization proxy identifier. |
---|
709 | * |
---|
710 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
711 | * kind of failure, or true on success. |
---|
712 | * @access private |
---|
713 | * @since 1.1.0 |
---|
714 | */ |
---|
715 | function _authDigest_MD5($uid, $pwd, $authz = '') |
---|
716 | { |
---|
717 | if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) { |
---|
718 | return $error; |
---|
719 | } |
---|
720 | /* 334: Continue authentication request */ |
---|
721 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
722 | /* 503: Error: already authenticated */ |
---|
723 | if ($this->_code === 503) { |
---|
724 | return true; |
---|
725 | } |
---|
726 | return $error; |
---|
727 | } |
---|
728 | |
---|
729 | $challenge = base64_decode($this->_arguments[0]); |
---|
730 | $digest = &Auth_SASL::factory('digestmd5'); |
---|
731 | $auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge, |
---|
732 | $this->host, "smtp", |
---|
733 | $authz)); |
---|
734 | |
---|
735 | if (PEAR::isError($error = $this->_put($auth_str))) { |
---|
736 | return $error; |
---|
737 | } |
---|
738 | /* 334: Continue authentication request */ |
---|
739 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
740 | return $error; |
---|
741 | } |
---|
742 | |
---|
743 | /* We don't use the protocol's third step because SMTP doesn't |
---|
744 | * allow subsequent authentication, so we just silently ignore |
---|
745 | * it. */ |
---|
746 | if (PEAR::isError($error = $this->_put(''))) { |
---|
747 | return $error; |
---|
748 | } |
---|
749 | /* 235: Authentication successful */ |
---|
750 | if (PEAR::isError($error = $this->_parseResponse(235))) { |
---|
751 | return $error; |
---|
752 | } |
---|
753 | } |
---|
754 | |
---|
755 | /** |
---|
756 | * Authenticates the user using the CRAM-MD5 method. |
---|
757 | * |
---|
758 | * @param string The userid to authenticate as. |
---|
759 | * @param string The password to authenticate with. |
---|
760 | * @param string The optional authorization proxy identifier. |
---|
761 | * |
---|
762 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
763 | * kind of failure, or true on success. |
---|
764 | * @access private |
---|
765 | * @since 1.1.0 |
---|
766 | */ |
---|
767 | function _authCRAM_MD5($uid, $pwd, $authz = '') |
---|
768 | { |
---|
769 | if (PEAR::isError($error = $this->_put('AUTH', 'CRAM-MD5'))) { |
---|
770 | return $error; |
---|
771 | } |
---|
772 | /* 334: Continue authentication request */ |
---|
773 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
774 | /* 503: Error: already authenticated */ |
---|
775 | if ($this->_code === 503) { |
---|
776 | return true; |
---|
777 | } |
---|
778 | return $error; |
---|
779 | } |
---|
780 | |
---|
781 | $challenge = base64_decode($this->_arguments[0]); |
---|
782 | $cram = &Auth_SASL::factory('crammd5'); |
---|
783 | $auth_str = base64_encode($cram->getResponse($uid, $pwd, $challenge)); |
---|
784 | |
---|
785 | if (PEAR::isError($error = $this->_put($auth_str))) { |
---|
786 | return $error; |
---|
787 | } |
---|
788 | |
---|
789 | /* 235: Authentication successful */ |
---|
790 | if (PEAR::isError($error = $this->_parseResponse(235))) { |
---|
791 | return $error; |
---|
792 | } |
---|
793 | } |
---|
794 | |
---|
795 | /** |
---|
796 | * Authenticates the user using the LOGIN method. |
---|
797 | * |
---|
798 | * @param string The userid to authenticate as. |
---|
799 | * @param string The password to authenticate with. |
---|
800 | * @param string The optional authorization proxy identifier. |
---|
801 | * |
---|
802 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
803 | * kind of failure, or true on success. |
---|
804 | * @access private |
---|
805 | * @since 1.1.0 |
---|
806 | */ |
---|
807 | function _authLogin($uid, $pwd, $authz = '') |
---|
808 | { |
---|
809 | if (PEAR::isError($error = $this->_put('AUTH', 'LOGIN'))) { |
---|
810 | return $error; |
---|
811 | } |
---|
812 | /* 334: Continue authentication request */ |
---|
813 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
814 | /* 503: Error: already authenticated */ |
---|
815 | if ($this->_code === 503) { |
---|
816 | return true; |
---|
817 | } |
---|
818 | return $error; |
---|
819 | } |
---|
820 | |
---|
821 | if (PEAR::isError($error = $this->_put(base64_encode($uid)))) { |
---|
822 | return $error; |
---|
823 | } |
---|
824 | /* 334: Continue authentication request */ |
---|
825 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
826 | return $error; |
---|
827 | } |
---|
828 | |
---|
829 | if (PEAR::isError($error = $this->_put(base64_encode($pwd)))) { |
---|
830 | return $error; |
---|
831 | } |
---|
832 | |
---|
833 | /* 235: Authentication successful */ |
---|
834 | if (PEAR::isError($error = $this->_parseResponse(235))) { |
---|
835 | return $error; |
---|
836 | } |
---|
837 | |
---|
838 | return true; |
---|
839 | } |
---|
840 | |
---|
841 | /** |
---|
842 | * Authenticates the user using the PLAIN method. |
---|
843 | * |
---|
844 | * @param string The userid to authenticate as. |
---|
845 | * @param string The password to authenticate with. |
---|
846 | * @param string The optional authorization proxy identifier. |
---|
847 | * |
---|
848 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
849 | * kind of failure, or true on success. |
---|
850 | * @access private |
---|
851 | * @since 1.1.0 |
---|
852 | */ |
---|
853 | function _authPlain($uid, $pwd, $authz = '') |
---|
854 | { |
---|
855 | if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) { |
---|
856 | return $error; |
---|
857 | } |
---|
858 | /* 334: Continue authentication request */ |
---|
859 | if (PEAR::isError($error = $this->_parseResponse(334))) { |
---|
860 | /* 503: Error: already authenticated */ |
---|
861 | if ($this->_code === 503) { |
---|
862 | return true; |
---|
863 | } |
---|
864 | return $error; |
---|
865 | } |
---|
866 | |
---|
867 | $auth_str = base64_encode($authz . chr(0) . $uid . chr(0) . $pwd); |
---|
868 | |
---|
869 | if (PEAR::isError($error = $this->_put($auth_str))) { |
---|
870 | return $error; |
---|
871 | } |
---|
872 | |
---|
873 | /* 235: Authentication successful */ |
---|
874 | if (PEAR::isError($error = $this->_parseResponse(235))) { |
---|
875 | return $error; |
---|
876 | } |
---|
877 | |
---|
878 | return true; |
---|
879 | } |
---|
880 | |
---|
881 | /** |
---|
882 | * Send the HELO command. |
---|
883 | * |
---|
884 | * @param string The domain name to say we are. |
---|
885 | * |
---|
886 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
887 | * kind of failure, or true on success. |
---|
888 | * @access public |
---|
889 | * @since 1.0 |
---|
890 | */ |
---|
891 | function helo($domain) |
---|
892 | { |
---|
893 | if (PEAR::isError($error = $this->_put('HELO', $domain))) { |
---|
894 | return $error; |
---|
895 | } |
---|
896 | if (PEAR::isError($error = $this->_parseResponse(250))) { |
---|
897 | return $error; |
---|
898 | } |
---|
899 | |
---|
900 | return true; |
---|
901 | } |
---|
902 | |
---|
903 | /** |
---|
904 | * Return the list of SMTP service extensions advertised by the server. |
---|
905 | * |
---|
906 | * @return array The list of SMTP service extensions. |
---|
907 | * @access public |
---|
908 | * @since 1.3 |
---|
909 | */ |
---|
910 | function getServiceExtensions() |
---|
911 | { |
---|
912 | return $this->_esmtp; |
---|
913 | } |
---|
914 | |
---|
915 | /** |
---|
916 | * Send the MAIL FROM: command. |
---|
917 | * |
---|
918 | * @param string $sender The sender (reverse path) to set. |
---|
919 | * @param string $params String containing additional MAIL parameters, |
---|
920 | * such as the NOTIFY flags defined by RFC 1891 |
---|
921 | * or the VERP protocol. |
---|
922 | * |
---|
923 | * If $params is an array, only the 'verp' option |
---|
924 | * is supported. If 'verp' is true, the XVERP |
---|
925 | * parameter is appended to the MAIL command. If |
---|
926 | * the 'verp' value is a string, the full |
---|
927 | * XVERP=value parameter is appended. |
---|
928 | * |
---|
929 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
930 | * kind of failure, or true on success. |
---|
931 | * @access public |
---|
932 | * @since 1.0 |
---|
933 | */ |
---|
934 | function mailFrom($sender, $params = null) |
---|
935 | { |
---|
936 | $args = "FROM:<$sender>"; |
---|
937 | |
---|
938 | /* Support the deprecated array form of $params. */ |
---|
939 | if (is_array($params) && isset($params['verp'])) { |
---|
940 | /* XVERP */ |
---|
941 | if ($params['verp'] === true) { |
---|
942 | $args .= ' XVERP'; |
---|
943 | |
---|
944 | /* XVERP=something */ |
---|
945 | } elseif (trim($params['verp'])) { |
---|
946 | $args .= ' XVERP=' . $params['verp']; |
---|
947 | } |
---|
948 | } elseif (is_string($params) && !empty($params)) { |
---|
949 | $args .= ' ' . $params; |
---|
950 | } |
---|
951 | |
---|
952 | if (PEAR::isError($error = $this->_put('MAIL', $args))) { |
---|
953 | return $error; |
---|
954 | } |
---|
955 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
956 | return $error; |
---|
957 | } |
---|
958 | |
---|
959 | return true; |
---|
960 | } |
---|
961 | |
---|
962 | /** |
---|
963 | * Send the RCPT TO: command. |
---|
964 | * |
---|
965 | * @param string $recipient The recipient (forward path) to add. |
---|
966 | * @param string $params String containing additional RCPT parameters, |
---|
967 | * such as the NOTIFY flags defined by RFC 1891. |
---|
968 | * |
---|
969 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
970 | * kind of failure, or true on success. |
---|
971 | * |
---|
972 | * @access public |
---|
973 | * @since 1.0 |
---|
974 | */ |
---|
975 | function rcptTo($recipient, $params = null) |
---|
976 | { |
---|
977 | $args = "TO:<$recipient>"; |
---|
978 | if (is_string($params)) { |
---|
979 | $args .= ' ' . $params; |
---|
980 | } |
---|
981 | |
---|
982 | if (PEAR::isError($error = $this->_put('RCPT', $args))) { |
---|
983 | return $error; |
---|
984 | } |
---|
985 | if (PEAR::isError($error = $this->_parseResponse(array(250, 251), $this->pipelining))) { |
---|
986 | return $error; |
---|
987 | } |
---|
988 | |
---|
989 | return true; |
---|
990 | } |
---|
991 | |
---|
992 | /** |
---|
993 | * Quote the data so that it meets SMTP standards. |
---|
994 | * |
---|
995 | * This is provided as a separate public function to facilitate |
---|
996 | * easier overloading for the cases where it is desirable to |
---|
997 | * customize the quoting behavior. |
---|
998 | * |
---|
999 | * @param string $data The message text to quote. The string must be passed |
---|
1000 | * by reference, and the text will be modified in place. |
---|
1001 | * |
---|
1002 | * @access public |
---|
1003 | * @since 1.2 |
---|
1004 | */ |
---|
1005 | function quotedata(&$data) |
---|
1006 | { |
---|
1007 | /* Change Unix (\n) and Mac (\r) linefeeds into |
---|
1008 | * Internet-standard CRLF (\r\n) linefeeds. */ |
---|
1009 | $data = preg_replace(array('/(?<!\r)\n/','/\r(?!\n)/'), "\r\n", $data); |
---|
1010 | |
---|
1011 | /* Because a single leading period (.) signifies an end to the |
---|
1012 | * data, legitimate leading periods need to be "doubled" |
---|
1013 | * (e.g. '..'). */ |
---|
1014 | $data = str_replace("\n.", "\n..", $data); |
---|
1015 | } |
---|
1016 | |
---|
1017 | /** |
---|
1018 | * Send the DATA command. |
---|
1019 | * |
---|
1020 | * @param mixed $data The message data, either as a string or an open |
---|
1021 | * file resource. |
---|
1022 | * @param string $headers The message headers. If $headers is provided, |
---|
1023 | * $data is assumed to contain only body data. |
---|
1024 | * |
---|
1025 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1026 | * kind of failure, or true on success. |
---|
1027 | * @access public |
---|
1028 | * @since 1.0 |
---|
1029 | */ |
---|
1030 | function data($data, $headers = null) |
---|
1031 | { |
---|
1032 | /* Verify that $data is a supported type. */ |
---|
1033 | if (!is_string($data) && !is_resource($data)) { |
---|
1034 | return PEAR::raiseError('Expected a string or file resource'); |
---|
1035 | } |
---|
1036 | |
---|
1037 | /* Start by considering the size of the optional headers string. We |
---|
1038 | * also account for the addition 4 character "\r\n\r\n" separator |
---|
1039 | * sequence. */ |
---|
1040 | $size = (is_null($headers)) ? 0 : strlen($headers) + 4; |
---|
1041 | |
---|
1042 | if (is_resource($data)) { |
---|
1043 | $stat = fstat($data); |
---|
1044 | if ($stat === false) { |
---|
1045 | return PEAR::raiseError('Failed to get file size'); |
---|
1046 | } |
---|
1047 | $size += $stat['size']; |
---|
1048 | } else { |
---|
1049 | $size += strlen($data); |
---|
1050 | } |
---|
1051 | |
---|
1052 | /* RFC 1870, section 3, subsection 3 states "a value of zero indicates |
---|
1053 | * that no fixed maximum message size is in force". Furthermore, it |
---|
1054 | * says that if "the parameter is omitted no information is conveyed |
---|
1055 | * about the server's fixed maximum message size". */ |
---|
1056 | $limit = (isset($this->_esmtp['SIZE'])) ? $this->_esmtp['SIZE'] : 0; |
---|
1057 | if ($limit > 0 && $size >= $limit) { |
---|
1058 | $this->disconnect(); |
---|
1059 | return PEAR::raiseError('Message size exceeds server limit'); |
---|
1060 | } |
---|
1061 | |
---|
1062 | /* Initiate the DATA command. */ |
---|
1063 | if (PEAR::isError($error = $this->_put('DATA'))) { |
---|
1064 | return $error; |
---|
1065 | } |
---|
1066 | if (PEAR::isError($error = $this->_parseResponse(354))) { |
---|
1067 | return $error; |
---|
1068 | } |
---|
1069 | |
---|
1070 | /* If we have a separate headers string, send it first. */ |
---|
1071 | if (!is_null($headers)) { |
---|
1072 | $this->quotedata($headers); |
---|
1073 | if (PEAR::isError($result = $this->_send($headers . "\r\n\r\n"))) { |
---|
1074 | return $result; |
---|
1075 | } |
---|
1076 | } |
---|
1077 | |
---|
1078 | /* Now we can send the message body data. */ |
---|
1079 | if (is_resource($data)) { |
---|
1080 | /* Stream the contents of the file resource out over our socket |
---|
1081 | * connection, line by line. Each line must be run through the |
---|
1082 | * quoting routine. */ |
---|
1083 | while (strlen($line = fread($data, 8192)) > 0) { |
---|
1084 | /* If the last character is an newline, we need to grab the |
---|
1085 | * next character to check to see if it is a period. */ |
---|
1086 | while (!feof($data)) { |
---|
1087 | $char = fread($data, 1); |
---|
1088 | $line .= $char; |
---|
1089 | if ($char != "\n") { |
---|
1090 | break; |
---|
1091 | } |
---|
1092 | } |
---|
1093 | $this->quotedata($line); |
---|
1094 | if (PEAR::isError($result = $this->_send($line))) { |
---|
1095 | return $result; |
---|
1096 | } |
---|
1097 | } |
---|
1098 | } else { |
---|
1099 | /* |
---|
1100 | * Break up the data by sending one chunk (up to 512k) at a time. |
---|
1101 | * This approach reduces our peak memory usage. |
---|
1102 | */ |
---|
1103 | for ($offset = 0; $offset < $size;) { |
---|
1104 | $end = $offset + 512000; |
---|
1105 | |
---|
1106 | /* |
---|
1107 | * Ensure we don't read beyond our data size or span multiple |
---|
1108 | * lines. quotedata() can't properly handle character data |
---|
1109 | * that's split across two line break boundaries. |
---|
1110 | */ |
---|
1111 | if ($end >= $size) { |
---|
1112 | $end = $size; |
---|
1113 | } else { |
---|
1114 | for (; $end < $size; ++$end) { |
---|
1115 | if ($data[$end] != "\n") { |
---|
1116 | break; |
---|
1117 | } |
---|
1118 | } |
---|
1119 | } |
---|
1120 | |
---|
1121 | /* Extract our chunk and run it through the quoting routine. */ |
---|
1122 | $chunk = substr($data, $offset, $end - $offset); |
---|
1123 | $this->quotedata($chunk); |
---|
1124 | |
---|
1125 | /* If we run into a problem along the way, abort. */ |
---|
1126 | if (PEAR::isError($result = $this->_send($chunk))) { |
---|
1127 | return $result; |
---|
1128 | } |
---|
1129 | |
---|
1130 | /* Advance the offset to the end of this chunk. */ |
---|
1131 | $offset = $end; |
---|
1132 | } |
---|
1133 | } |
---|
1134 | |
---|
1135 | /* Finally, send the DATA terminator sequence. */ |
---|
1136 | if (PEAR::isError($result = $this->_send("\r\n.\r\n"))) { |
---|
1137 | return $result; |
---|
1138 | } |
---|
1139 | |
---|
1140 | /* Verify that the data was successfully received by the server. */ |
---|
1141 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
1142 | return $error; |
---|
1143 | } |
---|
1144 | |
---|
1145 | return true; |
---|
1146 | } |
---|
1147 | |
---|
1148 | /** |
---|
1149 | * Send the SEND FROM: command. |
---|
1150 | * |
---|
1151 | * @param string The reverse path to send. |
---|
1152 | * |
---|
1153 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1154 | * kind of failure, or true on success. |
---|
1155 | * @access public |
---|
1156 | * @since 1.2.6 |
---|
1157 | */ |
---|
1158 | function sendFrom($path) |
---|
1159 | { |
---|
1160 | if (PEAR::isError($error = $this->_put('SEND', "FROM:<$path>"))) { |
---|
1161 | return $error; |
---|
1162 | } |
---|
1163 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
1164 | return $error; |
---|
1165 | } |
---|
1166 | |
---|
1167 | return true; |
---|
1168 | } |
---|
1169 | |
---|
1170 | /** |
---|
1171 | * Backwards-compatibility wrapper for sendFrom(). |
---|
1172 | * |
---|
1173 | * @param string The reverse path to send. |
---|
1174 | * |
---|
1175 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1176 | * kind of failure, or true on success. |
---|
1177 | * |
---|
1178 | * @access public |
---|
1179 | * @since 1.0 |
---|
1180 | * @deprecated 1.2.6 |
---|
1181 | */ |
---|
1182 | function send_from($path) |
---|
1183 | { |
---|
1184 | return sendFrom($path); |
---|
1185 | } |
---|
1186 | |
---|
1187 | /** |
---|
1188 | * Send the SOML FROM: command. |
---|
1189 | * |
---|
1190 | * @param string The reverse path to send. |
---|
1191 | * |
---|
1192 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1193 | * kind of failure, or true on success. |
---|
1194 | * @access public |
---|
1195 | * @since 1.2.6 |
---|
1196 | */ |
---|
1197 | function somlFrom($path) |
---|
1198 | { |
---|
1199 | if (PEAR::isError($error = $this->_put('SOML', "FROM:<$path>"))) { |
---|
1200 | return $error; |
---|
1201 | } |
---|
1202 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
1203 | return $error; |
---|
1204 | } |
---|
1205 | |
---|
1206 | return true; |
---|
1207 | } |
---|
1208 | |
---|
1209 | /** |
---|
1210 | * Backwards-compatibility wrapper for somlFrom(). |
---|
1211 | * |
---|
1212 | * @param string The reverse path to send. |
---|
1213 | * |
---|
1214 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1215 | * kind of failure, or true on success. |
---|
1216 | * |
---|
1217 | * @access public |
---|
1218 | * @since 1.0 |
---|
1219 | * @deprecated 1.2.6 |
---|
1220 | */ |
---|
1221 | function soml_from($path) |
---|
1222 | { |
---|
1223 | return somlFrom($path); |
---|
1224 | } |
---|
1225 | |
---|
1226 | /** |
---|
1227 | * Send the SAML FROM: command. |
---|
1228 | * |
---|
1229 | * @param string The reverse path to send. |
---|
1230 | * |
---|
1231 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1232 | * kind of failure, or true on success. |
---|
1233 | * @access public |
---|
1234 | * @since 1.2.6 |
---|
1235 | */ |
---|
1236 | function samlFrom($path) |
---|
1237 | { |
---|
1238 | if (PEAR::isError($error = $this->_put('SAML', "FROM:<$path>"))) { |
---|
1239 | return $error; |
---|
1240 | } |
---|
1241 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
1242 | return $error; |
---|
1243 | } |
---|
1244 | |
---|
1245 | return true; |
---|
1246 | } |
---|
1247 | |
---|
1248 | /** |
---|
1249 | * Backwards-compatibility wrapper for samlFrom(). |
---|
1250 | * |
---|
1251 | * @param string The reverse path to send. |
---|
1252 | * |
---|
1253 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1254 | * kind of failure, or true on success. |
---|
1255 | * |
---|
1256 | * @access public |
---|
1257 | * @since 1.0 |
---|
1258 | * @deprecated 1.2.6 |
---|
1259 | */ |
---|
1260 | function saml_from($path) |
---|
1261 | { |
---|
1262 | return samlFrom($path); |
---|
1263 | } |
---|
1264 | |
---|
1265 | /** |
---|
1266 | * Send the RSET command. |
---|
1267 | * |
---|
1268 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1269 | * kind of failure, or true on success. |
---|
1270 | * @access public |
---|
1271 | * @since 1.0 |
---|
1272 | */ |
---|
1273 | function rset() |
---|
1274 | { |
---|
1275 | if (PEAR::isError($error = $this->_put('RSET'))) { |
---|
1276 | return $error; |
---|
1277 | } |
---|
1278 | if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { |
---|
1279 | return $error; |
---|
1280 | } |
---|
1281 | |
---|
1282 | return true; |
---|
1283 | } |
---|
1284 | |
---|
1285 | /** |
---|
1286 | * Send the VRFY command. |
---|
1287 | * |
---|
1288 | * @param string The string to verify |
---|
1289 | * |
---|
1290 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1291 | * kind of failure, or true on success. |
---|
1292 | * @access public |
---|
1293 | * @since 1.0 |
---|
1294 | */ |
---|
1295 | function vrfy($string) |
---|
1296 | { |
---|
1297 | /* Note: 251 is also a valid response code */ |
---|
1298 | if (PEAR::isError($error = $this->_put('VRFY', $string))) { |
---|
1299 | return $error; |
---|
1300 | } |
---|
1301 | if (PEAR::isError($error = $this->_parseResponse(array(250, 252)))) { |
---|
1302 | return $error; |
---|
1303 | } |
---|
1304 | |
---|
1305 | return true; |
---|
1306 | } |
---|
1307 | |
---|
1308 | /** |
---|
1309 | * Send the NOOP command. |
---|
1310 | * |
---|
1311 | * @return mixed Returns a PEAR_Error with an error message on any |
---|
1312 | * kind of failure, or true on success. |
---|
1313 | * @access public |
---|
1314 | * @since 1.0 |
---|
1315 | */ |
---|
1316 | function noop() |
---|
1317 | { |
---|
1318 | if (PEAR::isError($error = $this->_put('NOOP'))) { |
---|
1319 | return $error; |
---|
1320 | } |
---|
1321 | if (PEAR::isError($error = $this->_parseResponse(250))) { |
---|
1322 | return $error; |
---|
1323 | } |
---|
1324 | |
---|
1325 | return true; |
---|
1326 | } |
---|
1327 | |
---|
1328 | /** |
---|
1329 | * Backwards-compatibility method. identifySender()'s functionality is |
---|
1330 | * now handled internally. |
---|
1331 | * |
---|
1332 | * @return boolean This method always return true. |
---|
1333 | * |
---|
1334 | * @access public |
---|
1335 | * @since 1.0 |
---|
1336 | */ |
---|
1337 | function identifySender() |
---|
1338 | { |
---|
1339 | return true; |
---|
1340 | } |
---|
1341 | |
---|
1342 | } |
---|