1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ |
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3 | |
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4 | /** |
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5 | * Storage driver for use against a SAP system using the SAPRFC PHP extension. |
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6 | * |
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7 | * Requires the SAPRFC ext available at http://saprfc.sourceforge.net/ |
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8 | * |
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9 | * PHP version 5 |
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10 | * |
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11 | * LICENSE: This source file is subject to version 3.01 of the PHP license |
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12 | * that is available through the world-wide-web at the following URI: |
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13 | * http://www.php.net/license/3_01.txt. If you did not receive a copy of |
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14 | * the PHP License and are unable to obtain it through the web, please |
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15 | * send a note to license@php.net so we can mail you a copy immediately. |
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16 | * |
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17 | * @category Authentication |
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18 | * @package Auth |
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19 | * @author Stoyan Stefanov <ssttoo@gmail.com> |
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20 | * @author Adam Ashley <aashley@php.net> |
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21 | * @copyright 2001-2006 The PHP Group |
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22 | * @license http://www.php.net/license/3_01.txt PHP License 3.01 |
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23 | * @version CVS: $Id$ |
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24 | * @link http://pear.php.net/package/Auth |
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25 | * @since File available since Release 1.4.0 |
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26 | */ |
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27 | |
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28 | /** |
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29 | * Include Auth_Container base class |
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30 | */ |
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31 | require_once 'Auth/Container.php'; |
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32 | /** |
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33 | * Include PEAR for error handling |
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34 | */ |
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35 | require_once 'PEAR.php'; |
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36 | |
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37 | /** |
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38 | * Performs authentication against a SAP system using the SAPRFC PHP extension. |
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39 | * |
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40 | * When the option GETSSO2 is TRUE (default) |
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41 | * the Single Sign-On (SSO) ticket is retrieved |
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42 | * and stored as an Auth attribute called 'sap' |
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43 | * in order to be reused for consecutive connections. |
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44 | * |
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45 | * @category Authentication |
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46 | * @package Auth |
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47 | * @author Stoyan Stefanov <ssttoo@gmail.com> |
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48 | * @author Adam Ashley <aashley@php.net> |
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49 | * @copyright 2001-2006 The PHP Group |
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50 | * @license http://www.php.net/license/3_01.txt PHP License 3.01 |
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51 | * @version Release: 1.4.2 File: $Revision: 8713 $ |
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52 | * @since Class available since Release 1.4.0 |
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53 | */ |
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54 | class Auth_Container_SAP extends Auth_Container { |
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55 | |
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56 | // {{{ properties |
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57 | |
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58 | /** |
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59 | * @var array Default options |
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60 | */ |
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61 | var $options = array( |
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62 | 'CLIENT' => '000', |
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63 | 'LANG' => 'EN', |
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64 | 'GETSSO2' => true, |
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65 | ); |
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66 | |
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67 | // }}} |
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68 | // {{{ Auth_Container_SAP() |
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69 | |
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70 | /** |
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71 | * Class constructor. Checks that required options |
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72 | * are present and that the SAPRFC extension is loaded |
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73 | * |
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74 | * Options that can be passed and their defaults: |
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75 | * <pre> |
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76 | * array( |
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77 | * 'ASHOST' => "", |
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78 | * 'SYSNR' => "", |
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79 | * 'CLIENT' => "000", |
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80 | * 'GWHOST' =>"", |
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81 | * 'GWSERV' =>"", |
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82 | * 'MSHOST' =>"", |
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83 | * 'R3NAME' =>"", |
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84 | * 'GROUP' =>"", |
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85 | * 'LANG' =>"EN", |
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86 | * 'TRACE' =>"", |
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87 | * 'GETSSO2'=> true |
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88 | * ) |
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89 | * </pre> |
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90 | * |
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91 | * @param array array of options. |
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92 | * @return void |
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93 | */ |
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94 | function Auth_Container_SAP($options) |
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95 | { |
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96 | $saprfc_loaded = PEAR::loadExtension('saprfc'); |
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97 | if (!$saprfc_loaded) { |
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98 | return PEAR::raiseError('Cannot use SAP authentication, ' |
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99 | .'SAPRFC extension not loaded!'); |
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100 | } |
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101 | if (empty($options['R3NAME']) && empty($options['ASHOST'])) { |
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102 | return PEAR::raiseError('R3NAME or ASHOST required for authentication'); |
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103 | } |
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104 | $this->options = array_merge($this->options, $options); |
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105 | } |
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106 | |
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107 | // }}} |
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108 | // {{{ fetchData() |
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109 | |
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110 | /** |
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111 | * Performs username and password check |
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112 | * |
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113 | * @param string Username |
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114 | * @param string Password |
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115 | * @return boolean TRUE on success (valid user), FALSE otherwise |
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116 | */ |
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117 | function fetchData($username, $password) |
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118 | { |
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119 | $connection_options = $this->options; |
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120 | $connection_options['USER'] = $username; |
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121 | $connection_options['PASSWD'] = $password; |
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122 | $rfc = saprfc_open($connection_options); |
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123 | if (!$rfc) { |
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124 | $message = "Couldn't connect to the SAP system."; |
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125 | $error = $this->getError(); |
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126 | if ($error['message']) { |
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127 | $message .= ': ' . $error['message']; |
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128 | } |
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129 | PEAR::raiseError($message, null, null, null, @$erorr['all']); |
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130 | return false; |
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131 | } else { |
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132 | if (!empty($this->options['GETSSO2'])) { |
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133 | if ($ticket = @saprfc_get_ticket($rfc)) { |
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134 | $this->options['MYSAPSSO2'] = $ticket; |
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135 | unset($this->options['GETSSO2']); |
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136 | $this->_auth_obj->setAuthData('sap', $this->options); |
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137 | } else { |
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138 | PEAR::raiseError("SSO ticket retrieval failed"); |
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139 | } |
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140 | } |
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141 | @saprfc_close($rfc); |
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142 | return true; |
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143 | } |
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144 | |
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145 | } |
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146 | |
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147 | // }}} |
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148 | // {{{ getError() |
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149 | |
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150 | /** |
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151 | * Retrieves the last error from the SAP connection |
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152 | * and returns it as an array. |
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153 | * |
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154 | * @return array Array of error information |
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155 | */ |
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156 | function getError() |
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157 | { |
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158 | |
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159 | $error = array(); |
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160 | $sap_error = saprfc_error(); |
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161 | if (empty($err)) { |
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162 | return $error; |
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163 | } |
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164 | $err = explode("n", $sap_error); |
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165 | foreach ($err AS $line) { |
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166 | $item = split(':', $line); |
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167 | $error[strtolower(trim($item[0]))] = trim($item[1]); |
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168 | } |
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169 | $error['all'] = $sap_error; |
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170 | return $error; |
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171 | } |
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172 | |
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173 | // }}} |
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174 | |
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175 | } |
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176 | |
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177 | ?> |
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