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Rev | Author | Line No. | Line |
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2 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 Daniel Marschall, ViaThinkSoft |
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6 | * |
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7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | * you may not use this file except in compliance with the License. |
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9 | * You may obtain a copy of the License at |
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10 | * |
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11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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12 | * |
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13 | * Unless required by applicable law or agreed to in writing, software |
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14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | * See the License for the specific language governing permissions and |
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17 | * limitations under the License. |
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18 | */ |
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19 | |||
112 | daniel-mar | 20 | if (!defined('IN_OIDPLUS')) die(); |
21 | |||
2 | daniel-mar | 22 | class OIDplus { |
61 | daniel-mar | 23 | private static /*OIDplusPagePlugin[][]*/ $pagePlugins = array(); |
221 | daniel-mar | 24 | private static /*OIDplusAuthPlugin[][]*/ $authPlugins = array(); |
227 | daniel-mar | 25 | private static /*OIDplusObjectTypePlugin[]*/ $objectTypePlugins = array(); |
26 | private static /*string[]*/ $enabledObjectTypes = array(); |
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27 | private static /*string[]*/ $disabledObjectTypes = array(); |
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28 | private static /*OIDplusDatabasePlugin[]*/ $dbPlugins = array(); |
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2 | daniel-mar | 29 | |
30 | private function __construct() { |
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31 | } |
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32 | |||
227 | daniel-mar | 33 | # --- Singleton classes |
2 | daniel-mar | 34 | |
35 | public static function config() { |
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86 | daniel-mar | 36 | static $config = null; |
37 | if (is_null($config)) { |
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38 | $config = new OIDplusConfig(); |
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2 | daniel-mar | 39 | } |
86 | daniel-mar | 40 | return $config; |
2 | daniel-mar | 41 | } |
42 | |||
43 | public static function gui() { |
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86 | daniel-mar | 44 | static $gui = null; |
45 | if (is_null($gui)) { |
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46 | $gui = new OIDplusGui(); |
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47 | } |
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48 | return $gui; |
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2 | daniel-mar | 49 | } |
50 | |||
51 | public static function authUtils() { |
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86 | daniel-mar | 52 | static $authUtils = null; |
53 | if (is_null($authUtils)) { |
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54 | $authUtils = new OIDplusAuthUtils(); |
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55 | } |
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56 | return $authUtils; |
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2 | daniel-mar | 57 | } |
58 | |||
115 | daniel-mar | 59 | public static function logger() { |
60 | static $logger = null; |
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61 | if (is_null($logger)) { |
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62 | $logger = new OIDplusLogger(); |
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63 | } |
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64 | return $logger; |
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65 | } |
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66 | |||
86 | daniel-mar | 67 | public static function sesHandler() { |
68 | static $sesHandler = null; |
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69 | if (is_null($sesHandler)) { |
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70 | $sesHandler = new OIDplusSessionHandler(OIDPLUS_SESSION_SECRET); |
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71 | } |
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72 | return $sesHandler; |
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73 | } |
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74 | |||
227 | daniel-mar | 75 | # --- Database Plugin |
74 | daniel-mar | 76 | |
227 | daniel-mar | 77 | private static function registerDatabasePlugin(OIDplusDatabasePlugin $plugin) { |
150 | daniel-mar | 78 | $name = $plugin->name(); |
79 | if ($name === false) return false; |
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80 | |||
81 | self::$dbPlugins[$name] = $plugin; |
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82 | |||
83 | return true; |
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84 | } |
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85 | |||
86 | public static function getDatabasePlugins() { |
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87 | return self::$dbPlugins; |
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88 | } |
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89 | |||
227 | daniel-mar | 90 | public static function db() { |
91 | if (!isset(self::$dbPlugins[OIDPLUS_DATABASE_PLUGIN])) { |
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92 | throw new Exception("Database plugin '".htmlentities(OIDPLUS_DATABASE_PLUGIN)."' not found. Please check config.inc.php or run <a href=\"setup/\">setup</a> again."); |
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93 | } |
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94 | $obj = self::$dbPlugins[OIDPLUS_DATABASE_PLUGIN]; |
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95 | if (!$obj->isConnected()) $obj->connect(); |
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96 | return $obj; |
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97 | } |
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98 | |||
99 | # --- Page plugin |
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100 | |||
224 | daniel-mar | 101 | private static function registerPagePlugin(OIDplusPagePlugin $plugin) { |
61 | daniel-mar | 102 | $type = $plugin->type(); |
103 | if ($type === false) return false; |
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104 | |||
105 | $prio = $plugin->priority(); |
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106 | if ($prio === false) return false; |
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107 | |||
108 | if (!isset(self::$pagePlugins[$type])) self::$pagePlugins[$type] = array(); |
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109 | self::$pagePlugins[$type][$prio] = $plugin; |
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110 | |||
111 | return true; |
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112 | } |
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113 | |||
114 | public static function getPagePlugins($type) { |
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115 | if ($type == '*') { |
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116 | $res = array(); |
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117 | foreach (self::$pagePlugins as $data) { |
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118 | $res = array_merge($res, $data); |
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119 | } |
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120 | } else { |
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104 | daniel-mar | 121 | $res = isset(self::$pagePlugins[$type]) ? self::$pagePlugins[$type] : array(); |
61 | daniel-mar | 122 | } |
123 | ksort($res); |
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124 | return $res; |
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125 | } |
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126 | |||
227 | daniel-mar | 127 | # --- Auth plugin |
128 | |||
129 | private static function registerAuthPlugin(OIDplusAuthPlugin $plugin) { |
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130 | self::$authPlugins[] = $plugin; |
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131 | return true; |
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132 | } |
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133 | |||
221 | daniel-mar | 134 | public static function getAuthPlugins() { |
135 | return self::$authPlugins; |
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136 | } |
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137 | |||
227 | daniel-mar | 138 | # --- Object type plugin |
139 | |||
140 | private static function registerObjectTypePlugin(OIDplusObjectTypePlugin $plugin) { |
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141 | self::$objectTypePlugins[] = $plugin; |
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142 | |||
143 | $ot = $plugin::getObjectTypeClassName(); |
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144 | self::registerObjectType($ot); |
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145 | |||
146 | return true; |
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147 | } |
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148 | |||
224 | daniel-mar | 149 | private static function registerObjectType($ot) { |
66 | daniel-mar | 150 | $ns = $ot::ns(); |
151 | |||
152 | if (empty($ns)) die("Attention: Empty NS at $ot\n"); |
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153 | |||
154 | $ns_found = false; |
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227 | daniel-mar | 155 | foreach (array_merge(OIDplus::getEnabledObjectTypes(), OIDplus::getDisabledObjectTypes()) as $test_ot) { |
66 | daniel-mar | 156 | if ($test_ot::ns() == $ns) { |
157 | $ns_found = true; |
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158 | break; |
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159 | } |
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160 | } |
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161 | if ($ns_found) { |
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162 | throw new Exception("Attention: Two objectType plugins use the same namespace \"$ns\"!"); |
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163 | } |
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164 | |||
165 | $init = OIDplus::config()->getValue("objecttypes_initialized"); |
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166 | $init_ary = empty($init) ? array() : explode(';', $init); |
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70 | daniel-mar | 167 | $init_ary = array_map('trim', $init_ary); |
66 | daniel-mar | 168 | |
169 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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170 | $enabled_ary = empty($enabled) ? array() : explode(';', $enabled); |
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70 | daniel-mar | 171 | $enabled_ary = array_map('trim', $enabled_ary); |
66 | daniel-mar | 172 | |
79 | daniel-mar | 173 | $do_enable = false; |
174 | if (in_array($ns, $enabled_ary)) { |
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175 | $do_enable = true; |
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176 | } else { |
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177 | if (!OIDplus::config()->getValue('registration_done')) { |
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178 | $do_enable = $ns == 'oid'; |
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179 | } else { |
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180 | $do_enable = !in_array($ns, $init_ary); |
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181 | } |
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182 | } |
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183 | |||
184 | if ($do_enable) { |
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227 | daniel-mar | 185 | self::$enabledObjectTypes[] = $ot; |
186 | usort(self::$enabledObjectTypes, function($a, $b) { |
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66 | daniel-mar | 187 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
188 | $enabled_ary = explode(';', $enabled); |
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189 | |||
190 | $idx_a = array_search($a::ns(), $enabled_ary); |
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191 | $idx_b = array_search($b::ns(), $enabled_ary); |
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192 | |||
193 | if ($idx_a == $idx_b) { |
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194 | return 0; |
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195 | } |
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196 | return ($idx_a > $idx_b) ? +1 : -1; |
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197 | }); |
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74 | daniel-mar | 198 | } else { |
199 | self::$disabledObjectTypes[] = $ot; |
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66 | daniel-mar | 200 | } |
201 | |||
202 | if (!in_array($ns, $init_ary)) { |
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203 | // Was never initialized before, so we add it to the list of enabled object types once |
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204 | |||
79 | daniel-mar | 205 | if ($do_enable) { |
206 | $enabled_ary[] = $ns; |
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207 | OIDplus::config()->setValue("objecttypes_enabled", implode(';', $enabled_ary)); |
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208 | } |
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66 | daniel-mar | 209 | |
210 | $init_ary[] = $ns; |
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211 | OIDplus::config()->setValue("objecttypes_initialized", implode(';', $init_ary)); |
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212 | } |
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61 | daniel-mar | 213 | } |
214 | |||
227 | daniel-mar | 215 | public static function getObjectTypePlugins() { |
216 | return self::$objectTypePlugins; |
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61 | daniel-mar | 217 | } |
218 | |||
227 | daniel-mar | 219 | public static function getObjectTypePluginsEnabled() { |
220 | $res = array(); |
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221 | foreach (self::$objectTypePlugins as $plugin) { |
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222 | $ot = $plugin::getObjectTypeClassName(); |
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223 | if (in_array($ot, self::$enabledObjectTypes)) $res[] = $plugin; |
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224 | } |
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225 | return $res; |
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74 | daniel-mar | 226 | } |
227 | |||
227 | daniel-mar | 228 | public static function getObjectTypePluginsDisabled() { |
229 | $res = array(); |
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230 | foreach (self::$objectTypePlugins as $plugin) { |
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231 | $ot = $plugin::getObjectTypeClassName(); |
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232 | if (in_array($ot, self::$disabledObjectTypes)) $res[] = $plugin; |
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74 | daniel-mar | 233 | } |
227 | daniel-mar | 234 | return $res; |
74 | daniel-mar | 235 | } |
236 | |||
227 | daniel-mar | 237 | public static function getEnabledObjectTypes() { |
238 | return self::$enabledObjectTypes; |
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239 | } |
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74 | daniel-mar | 240 | |
227 | daniel-mar | 241 | public static function getDisabledObjectTypes() { |
242 | return self::$disabledObjectTypes; |
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243 | } |
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74 | daniel-mar | 244 | |
227 | daniel-mar | 245 | # --- Initialization of OIDplus |
206 | daniel-mar | 246 | |
2 | daniel-mar | 247 | public static function init($html=true) { |
42 | daniel-mar | 248 | define('OIDPLUS_HTML_OUTPUT', $html); |
249 | |||
2 | daniel-mar | 250 | // Include config file |
74 | daniel-mar | 251 | |
2 | daniel-mar | 252 | if (file_exists(__DIR__ . '/../config.inc.php')) { |
253 | include_once __DIR__ . '/../config.inc.php'; |
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254 | } else { |
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255 | if ($html) { |
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74 | daniel-mar | 256 | if (!is_dir('setup')) { |
2 | daniel-mar | 257 | echo 'Error: Setup directory missing.'; |
258 | } else { |
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42 | daniel-mar | 259 | header('Location:setup/'); |
2 | daniel-mar | 260 | } |
261 | } else { |
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262 | echo 'Error: Setup directory missing!'; |
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263 | } |
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264 | die(); |
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265 | } |
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266 | |||
267 | // Auto-fill non-existing config values |
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74 | daniel-mar | 268 | |
2 | daniel-mar | 269 | if (!defined('OIDPLUS_CONFIG_VERSION')) define('OIDPLUS_CONFIG_VERSION', 0.0); |
270 | if (!defined('OIDPLUS_ADMIN_PASSWORD')) define('OIDPLUS_ADMIN_PASSWORD', ''); |
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150 | daniel-mar | 271 | if (!defined('OIDPLUS_DATABASE_PLUGIN')) define('OIDPLUS_DATABASE_PLUGIN', 'MySQL'); |
2 | daniel-mar | 272 | if (!defined('OIDPLUS_MYSQL_HOST')) define('OIDPLUS_MYSQL_HOST', 'localhost'); |
273 | if (!defined('OIDPLUS_MYSQL_USERNAME')) define('OIDPLUS_MYSQL_USERNAME', 'root'); |
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150 | daniel-mar | 274 | if (!defined('OIDPLUS_MYSQL_PASSWORD')) define('OIDPLUS_MYSQL_PASSWORD', ''); // base64 encoded |
2 | daniel-mar | 275 | if (!defined('OIDPLUS_MYSQL_DATABASE')) define('OIDPLUS_MYSQL_DATABASE', 'oidplus'); |
276 | if (!defined('OIDPLUS_TABLENAME_PREFIX')) define('OIDPLUS_TABLENAME_PREFIX', ''); |
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277 | if (!defined('OIDPLUS_SESSION_SECRET')) define('OIDPLUS_SESSION_SECRET', ''); |
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27 | daniel-mar | 278 | if (!defined('RECAPTCHA_ENABLED')) define('RECAPTCHA_ENABLED', false); |
279 | if (!defined('RECAPTCHA_PUBLIC')) define('RECAPTCHA_PUBLIC', ''); |
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280 | if (!defined('RECAPTCHA_PRIVATE')) define('RECAPTCHA_PRIVATE', ''); |
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111 | daniel-mar | 281 | if (!defined('OIDPLUS_ENFORCE_SSL')) define('OIDPLUS_ENFORCE_SSL', 2 /* Auto */); |
2 | daniel-mar | 282 | |
283 | // Check version of the config file |
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74 | daniel-mar | 284 | |
76 | daniel-mar | 285 | if (OIDPLUS_CONFIG_VERSION != 2.0) { |
2 | daniel-mar | 286 | if ($html) { |
287 | echo '<h1>Error</h1><p>The information located in <b>includes/config.inc.php</b> is outdated.</p><p>Please run <a href="setup/">setup</a> again.</p>'; |
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288 | } else { |
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289 | echo 'The information located in includes/config.inc.php is outdated. Please run setup again.'; |
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290 | } |
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291 | die(); |
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292 | } |
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42 | daniel-mar | 293 | |
150 | daniel-mar | 294 | // Register database types (highest priority) |
295 | |||
296 | $ary = glob(__DIR__ . '/../../plugins/database/'.'*'.'/plugin.inc.php'); |
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297 | foreach ($ary as $a) include $a; |
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298 | |||
224 | daniel-mar | 299 | foreach (get_declared_classes() as $c) { |
227 | daniel-mar | 300 | if (is_subclass_of($c, 'OIDplusDataBasePlugin')) { |
224 | daniel-mar | 301 | self::registerDatabasePlugin(new $c()); |
302 | } |
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303 | } |
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304 | |||
42 | daniel-mar | 305 | // Do redirect stuff etc. |
74 | daniel-mar | 306 | |
42 | daniel-mar | 307 | define('OIDPLUS_SSL_AVAILABLE', self::isSslAvailable()); |
61 | daniel-mar | 308 | |
66 | daniel-mar | 309 | // System config settings |
310 | |||
75 | daniel-mar | 311 | OIDplus::config()->prepareConfigKey('objecttypes_initialized', 'List of object type plugins that were initialized once', '', 1, 1); |
312 | OIDplus::config()->prepareConfigKey('objecttypes_enabled', 'Enabled object types and their order, separated with a semicolon (please reload the page so that the change is applied)', '', 0, 1); |
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66 | daniel-mar | 313 | |
75 | daniel-mar | 314 | OIDplus::config()->prepareConfigKey('oidplus_private_key', 'Private key for this system', '', 1, 0); |
80 | daniel-mar | 315 | OIDplus::config()->prepareConfigKey('oidplus_public_key', 'Public key for this system. If you "clone" your system, you must delete this key (e.g. using phpMyAdmin), so that a new one is created.', '', 1, 1); |
74 | daniel-mar | 316 | |
317 | // Initialize public / private keys |
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318 | |||
227 | daniel-mar | 319 | OIDplus::getPkiStatus(true); |
74 | daniel-mar | 320 | |
61 | daniel-mar | 321 | // Register plugins |
74 | daniel-mar | 322 | |
222 | daniel-mar | 323 | $ary = glob(__DIR__ . '/../../plugins/objectTypes/'.'*'.'/plugin.inc.php'); |
150 | daniel-mar | 324 | foreach ($ary as $a) include $a; |
325 | |||
61 | daniel-mar | 326 | $ary = glob(__DIR__ . '/../../plugins/publicPages/'.'*'.'/plugin.inc.php'); |
327 | foreach ($ary as $a) include $a; |
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328 | $ary = glob(__DIR__ . '/../../plugins/raPages/'.'*'.'/plugin.inc.php'); |
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329 | foreach ($ary as $a) include $a; |
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330 | $ary = glob(__DIR__ . '/../../plugins/adminPages/'.'*'.'/plugin.inc.php'); |
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331 | foreach ($ary as $a) include $a; |
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74 | daniel-mar | 332 | |
221 | daniel-mar | 333 | $ary = glob(__DIR__ . '/../../plugins/auth/'.'*'.'/plugin.inc.php'); |
334 | foreach ($ary as $a) include $a; |
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335 | |||
224 | daniel-mar | 336 | foreach (get_declared_classes() as $c) { |
337 | if (is_subclass_of($c, 'OIDplusPagePlugin')) { |
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338 | self::registerPagePlugin(new $c()); |
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339 | } |
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340 | if (is_subclass_of($c, 'OIDplusAuthPlugin')) { |
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341 | self::registerAuthPlugin(new $c()); |
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342 | } |
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227 | daniel-mar | 343 | if (is_subclass_of($c, 'OIDplusObjectTypePlugin')) { |
344 | self::registerObjectTypePlugin(new $c()); |
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224 | daniel-mar | 345 | } |
346 | } |
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74 | daniel-mar | 347 | |
224 | daniel-mar | 348 | // Initialize page plugins |
349 | |||
74 | daniel-mar | 350 | foreach (OIDplus::getPagePlugins('*') as $plugin) { |
351 | $plugin->init($html); |
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352 | } |
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2 | daniel-mar | 353 | } |
42 | daniel-mar | 354 | |
227 | daniel-mar | 355 | # --- System URL, System ID, PKI, and other functions |
356 | |||
357 | public static function getSystemUrl($relative=false) { |
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358 | if (!isset($_SERVER["SCRIPT_NAME"])) return false; |
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359 | |||
360 | $test_dir = dirname($_SERVER['SCRIPT_FILENAME']); |
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361 | $c = 0; |
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362 | while (!file_exists($test_dir.'/oidplus_base.js')) { |
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363 | $test_dir = dirname($test_dir); |
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364 | $c++; |
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365 | if ($c == 1000) return false; |
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366 | } |
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367 | |||
368 | $res = dirname($_SERVER['SCRIPT_NAME'].'xxx'); |
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369 | |||
370 | for ($i=1; $i<=$c; $i++) { |
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371 | $res = dirname($res); |
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372 | } |
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373 | |||
374 | if ($res == '/') $res = ''; |
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375 | $res .= '/'; |
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376 | |||
377 | if (!$relative) { |
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378 | $res = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]" . $res; // TODO: also add port? |
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379 | } |
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380 | |||
381 | return $res; |
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382 | } |
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383 | |||
384 | private static $system_id_cache = null; |
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385 | public static function getSystemId($oid=false) { |
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386 | if (!is_null(self::$system_id_cache)) { |
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387 | $out = self::$system_id_cache; |
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388 | } else { |
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389 | $out = false; |
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390 | |||
391 | if (self::getPkiStatus(true)) { |
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392 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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393 | if (preg_match('@BEGIN PUBLIC KEY\-+(.+)\-+END PUBLIC KEY@ismU', $pubKey, $m)) { |
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394 | $out = smallhash(base64_decode($m[1])); |
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395 | } |
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396 | } |
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397 | self::$system_id_cache = $out; |
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398 | } |
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399 | return ($oid ? '1.3.6.1.4.1.37476.30.9.' : '').$out; |
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400 | } |
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401 | |||
402 | public static function getPkiStatus($try_generate=true) { |
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403 | if (!function_exists('openssl_pkey_new')) return false; |
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404 | |||
405 | $privKey = OIDplus::config()->getValue('oidplus_private_key'); |
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406 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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407 | |||
408 | if ($try_generate && !verify_private_public_key($privKey, $pubKey)) { |
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409 | OIDplus::logger()->log("A!", "Generating new SystemID using a new key pair"); |
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410 | |||
411 | $config = array( |
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412 | "digest_alg" => "sha512", |
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413 | "private_key_bits" => 2048, |
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414 | "private_key_type" => OPENSSL_KEYTYPE_RSA, |
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415 | ); |
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416 | |||
417 | // Create the private and public key |
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418 | $res = openssl_pkey_new($config); |
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419 | |||
420 | // Extract the private key from $res to $privKey |
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421 | openssl_pkey_export($res, $privKey); |
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422 | |||
423 | // Extract the public key from $res to $pubKey |
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424 | $pubKey = openssl_pkey_get_details($res)["key"]; |
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425 | |||
426 | // Save the key pair to database |
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427 | OIDplus::config()->setValue('oidplus_private_key', $privKey); |
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428 | OIDplus::config()->setValue('oidplus_public_key', $pubKey); |
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429 | |||
430 | // Log the new system ID |
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431 | if (preg_match('@BEGIN PUBLIC KEY\-+(.+)\-+END PUBLIC KEY@ismU', $pubKey, $m)) { |
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432 | $system_id = smallhash(base64_decode($m[1])); |
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433 | OIDplus::logger()->log("A!", "Your SystemID is now $system_id"); |
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434 | } |
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435 | } |
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436 | |||
437 | return verify_private_public_key($privKey, $pubKey); |
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438 | } |
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439 | |||
170 | daniel-mar | 440 | public static function getInstallType() { |
441 | if (!file_exists(__DIR__ . '/../../oidplus_version.txt') && !is_dir(__DIR__ . '/../../.svn')) { |
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442 | return 'unknown'; |
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443 | } |
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444 | if (file_exists(__DIR__ . '/../../oidplus_version.txt') && is_dir(__DIR__ . '/../../.svn')) { |
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445 | return 'ambigous'; |
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446 | } |
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447 | if (is_dir(__DIR__ . '/../../.svn')) { |
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448 | return 'svn-wc'; |
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449 | } |
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450 | if (file_exists(__DIR__ . '/../../oidplus_version.txt')) { |
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451 | return 'svn-snapshot'; |
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452 | } |
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453 | } |
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454 | |||
111 | daniel-mar | 455 | public static function getVersion() { |
162 | daniel-mar | 456 | $svn_version = null; |
457 | |||
458 | if (file_exists(__DIR__ . '/../../oidplus_version.txt') && is_dir(__DIR__ . '/../../.svn')) { |
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459 | return false; // ambigous |
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111 | daniel-mar | 460 | } |
162 | daniel-mar | 461 | |
462 | if (is_dir(__DIR__ . '/../../.svn')) { |
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463 | // Try to find out the SVN version using the shell |
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464 | $status = @shell_exec('svnversion '.realpath(__FILE__)); |
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465 | if (preg_match('/\d+/', $status, $match)) { |
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466 | $svn_version = 'svn-'.$match[0]; |
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467 | } |
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468 | |||
469 | // If that failed, try to get the version via SQLite3 |
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470 | if (is_null($svn_version)) { |
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471 | $db = new SQLite3(__DIR__ . '/../../.svn/wc.db'); |
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472 | $results = $db->query('SELECT MIN(revision) AS rev FROM NODES_BASE'); |
||
473 | while ($row = $results->fetchArray()) { |
||
474 | $svn_version = 'svn-'.$row['rev']; |
||
475 | } |
||
476 | } |
||
477 | } |
||
478 | |||
479 | if (file_exists(__DIR__ . '/../../oidplus_version.txt')) { |
||
480 | $cont = file_get_contents(__DIR__ . '/../../oidplus_version.txt'); |
||
481 | if (!preg_match('@Revision (\d+)@', $cont, $m)) |
||
482 | return false; // File has unknown format |
||
483 | $svn_version = 'svn-'.$m[1]; |
||
484 | } |
||
485 | |||
486 | return $svn_version; |
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111 | daniel-mar | 487 | } |
488 | |||
42 | daniel-mar | 489 | private static function isSslAvailable() { |
49 | daniel-mar | 490 | $timeout = 2; |
80 | daniel-mar | 491 | $already_ssl = isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == "on"); |
492 | $ssl_port = 443; |
||
227 | daniel-mar | 493 | $cookie_path = OIDplus::getSystemUrl(true); |
83 | daniel-mar | 494 | if (empty($cookie_path)) $cookie_path = '/'; |
42 | daniel-mar | 495 | |
54 | daniel-mar | 496 | if (php_sapi_name() == 'cli') return false; |
497 | |||
80 | daniel-mar | 498 | if (OIDPLUS_ENFORCE_SSL == 0) { |
499 | // No SSL available |
||
500 | return $already_ssl; |
||
501 | } |
||
502 | |||
503 | if (OIDPLUS_ENFORCE_SSL == 1) { |
||
504 | // Force SSL |
||
505 | if ($already_ssl) { |
||
506 | return true; |
||
42 | daniel-mar | 507 | } else { |
80 | daniel-mar | 508 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
509 | header('Location:'.$location); |
||
111 | daniel-mar | 510 | die('Redirect to HTTPS'); |
80 | daniel-mar | 511 | return true; |
512 | } |
||
513 | } |
||
514 | |||
515 | if (OIDPLUS_ENFORCE_SSL == 2) { |
||
516 | // Automatic SSL detection |
||
517 | |||
518 | if ($already_ssl) { |
||
519 | // we are already on HTTPS |
||
83 | daniel-mar | 520 | setcookie('SSL_CHECK', '1', 0, $cookie_path, '', false, true); |
80 | daniel-mar | 521 | return true; |
522 | } else { |
||
523 | if (isset($_COOKIE['SSL_CHECK'])) { |
||
524 | // We already had the HTTPS detection done before. |
||
525 | if ($_COOKIE['SSL_CHECK']) { |
||
526 | // HTTPS was detected before, but we are HTTP. Redirect now |
||
527 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
||
528 | header('Location:'.$location); |
||
529 | die('Redirect to HTTPS'); |
||
530 | return true; |
||
531 | } else { |
||
532 | // No HTTPS available. Do nothing. |
||
533 | return false; |
||
534 | } |
||
49 | daniel-mar | 535 | } else { |
80 | daniel-mar | 536 | // This is our first check (or the browser didn't accept the SSL_CHECK cookie) |
537 | if (@fsockopen($_SERVER['HTTP_HOST'], $ssl_port, $errno, $errstr, $timeout)) { |
||
538 | // HTTPS detected. Redirect now, and remember that we had detected HTTPS |
||
83 | daniel-mar | 539 | setcookie('SSL_CHECK', '1', 0, $cookie_path, '', false, true); |
80 | daniel-mar | 540 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
541 | header('Location:'.$location); |
||
111 | daniel-mar | 542 | die('Redirect to HTTPS'); |
80 | daniel-mar | 543 | return true; |
544 | } else { |
||
545 | // No HTTPS detected. Do nothing, and next time, don't try to detect HTTPS again. |
||
83 | daniel-mar | 546 | setcookie('SSL_CHECK', '0', 0, $cookie_path, '', false, true); |
80 | daniel-mar | 547 | return false; |
548 | } |
||
49 | daniel-mar | 549 | } |
42 | daniel-mar | 550 | } |
551 | } |
||
552 | } |
||
2 | daniel-mar | 553 | } |