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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 | |||
20 | class OIDplus { |
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21 | private static /*OIDplusDataBase*/ $database; |
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22 | private static /*OIDplusConfig*/ $config; |
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61 | daniel-mar | 23 | private static /*OIDplusPagePlugin[][]*/ $pagePlugins = array(); |
24 | private static /*OIDplusObject*/ $objectTypes = array(); |
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74 | daniel-mar | 25 | private static /*OIDplusObject*/ $disabledObjectTypes = array(); |
2 | daniel-mar | 26 | |
27 | private function __construct() { |
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28 | } |
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29 | |||
30 | public static function db() { |
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31 | if (is_null(self::$database)) { |
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32 | self::$database = new OIDplusDataBaseMySQL(); |
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33 | } |
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34 | return self::$database; |
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35 | } |
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36 | |||
37 | public static function config() { |
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38 | if (is_null(self::$config)) { |
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39 | self::$config = new OIDplusConfig(); |
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40 | } |
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41 | return self::$config; |
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42 | } |
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43 | |||
44 | public static function gui() { |
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45 | return new OIDplusGui(); |
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46 | } |
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47 | |||
48 | public static function authUtils() { |
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49 | return new OIDplusAuthUtils(); |
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50 | } |
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51 | |||
52 | public static function system_url() { |
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74 | daniel-mar | 53 | if (!isset($_SERVER["REQUEST_URI"])) return false; |
54 | |||
55 | $test_dir = dirname($_SERVER['SCRIPT_FILENAME']); |
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56 | $c = 0; |
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57 | while (!file_exists($test_dir.'/oidplus.js')) { |
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58 | $test_dir = dirname($test_dir); |
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59 | $c++; |
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60 | if ($c == 1000) return false; |
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61 | } |
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62 | |||
76 | daniel-mar | 63 | $res = dirname($_SERVER['SCRIPT_URI'].'xxx'); |
74 | daniel-mar | 64 | |
65 | for ($i=1; $i<=$c; $i++) { |
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76 | daniel-mar | 66 | $res = dirname($res); |
74 | daniel-mar | 67 | } |
68 | |||
76 | daniel-mar | 69 | $res .= '/'; |
70 | |||
74 | daniel-mar | 71 | return $res; |
2 | daniel-mar | 72 | } |
73 | |||
42 | daniel-mar | 74 | public static function sesHandler() { |
75 | return new OIDplusSessionHandler(OIDPLUS_SESSION_SECRET); |
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76 | } |
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77 | |||
61 | daniel-mar | 78 | public static function registerPagePlugin(OIDplusPagePlugin $plugin) { |
79 | $type = $plugin->type(); |
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80 | if ($type === false) return false; |
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81 | |||
82 | $prio = $plugin->priority(); |
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83 | if ($prio === false) return false; |
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84 | |||
85 | if (!isset(self::$pagePlugins[$type])) self::$pagePlugins[$type] = array(); |
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86 | self::$pagePlugins[$type][$prio] = $plugin; |
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87 | |||
88 | return true; |
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89 | } |
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90 | |||
91 | public static function getPagePlugins($type) { |
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92 | if ($type == '*') { |
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93 | $res = array(); |
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94 | foreach (self::$pagePlugins as $data) { |
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95 | $res = array_merge($res, $data); |
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96 | } |
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97 | } else { |
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98 | $res = self::$pagePlugins[$type]; |
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99 | } |
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100 | ksort($res); |
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101 | return $res; |
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102 | } |
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103 | |||
104 | public static function registerObjectType($ot) { |
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66 | daniel-mar | 105 | $ns = $ot::ns(); |
106 | |||
107 | if (empty($ns)) die("Attention: Empty NS at $ot\n"); |
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108 | |||
109 | $ns_found = false; |
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110 | foreach (OIDplus::getRegisteredObjectTypes() as $test_ot) { |
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111 | if ($test_ot::ns() == $ns) { |
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112 | $ns_found = true; |
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113 | break; |
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114 | } |
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115 | } |
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116 | if ($ns_found) { |
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117 | throw new Exception("Attention: Two objectType plugins use the same namespace \"$ns\"!"); |
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118 | } |
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119 | |||
120 | $init = OIDplus::config()->getValue("objecttypes_initialized"); |
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121 | $init_ary = empty($init) ? array() : explode(';', $init); |
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70 | daniel-mar | 122 | $init_ary = array_map('trim', $init_ary); |
66 | daniel-mar | 123 | |
124 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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125 | $enabled_ary = empty($enabled) ? array() : explode(';', $enabled); |
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70 | daniel-mar | 126 | $enabled_ary = array_map('trim', $enabled_ary); |
66 | daniel-mar | 127 | |
79 | daniel-mar | 128 | $do_enable = false; |
129 | if (in_array($ns, $enabled_ary)) { |
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130 | $do_enable = true; |
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131 | } else { |
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132 | if (!OIDplus::config()->getValue('registration_done')) { |
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133 | $do_enable = $ns == 'oid'; |
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134 | } else { |
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135 | $do_enable = !in_array($ns, $init_ary); |
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136 | } |
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137 | } |
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138 | |||
139 | if ($do_enable) { |
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66 | daniel-mar | 140 | self::$objectTypes[] = $ot; |
141 | usort(self::$objectTypes, function($a, $b) { |
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142 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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143 | $enabled_ary = explode(';', $enabled); |
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144 | |||
145 | $idx_a = array_search($a::ns(), $enabled_ary); |
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146 | $idx_b = array_search($b::ns(), $enabled_ary); |
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147 | |||
148 | if ($idx_a == $idx_b) { |
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149 | return 0; |
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150 | } |
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151 | return ($idx_a > $idx_b) ? +1 : -1; |
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152 | }); |
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74 | daniel-mar | 153 | } else { |
154 | self::$disabledObjectTypes[] = $ot; |
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66 | daniel-mar | 155 | } |
156 | |||
157 | if (!in_array($ns, $init_ary)) { |
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158 | // Was never initialized before, so we add it to the list of enabled object types once |
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159 | |||
79 | daniel-mar | 160 | if ($do_enable) { |
161 | $enabled_ary[] = $ns; |
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162 | OIDplus::config()->setValue("objecttypes_enabled", implode(';', $enabled_ary)); |
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163 | } |
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66 | daniel-mar | 164 | |
165 | $init_ary[] = $ns; |
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166 | OIDplus::config()->setValue("objecttypes_initialized", implode(';', $init_ary)); |
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167 | } |
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61 | daniel-mar | 168 | } |
169 | |||
170 | public static function getRegisteredObjectTypes() { |
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171 | return self::$objectTypes; |
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172 | } |
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173 | |||
74 | daniel-mar | 174 | public static function getDisabledObjectTypes() { |
175 | return self::$disabledObjectTypes; |
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176 | } |
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177 | |||
178 | public static function system_id($oid=false) { |
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179 | if (!self::pkiStatus(true)) return false; |
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180 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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181 | if (preg_match('@BEGIN PUBLIC KEY\-+(.+)\-+END PUBLIC KEY@ismU', $pubKey, $m)) { |
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182 | return ($oid ? '1.3.6.1.4.1.37476.30.9.' : '').smallhash(base64_decode($m[1])); |
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183 | } |
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184 | return false; |
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185 | } |
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186 | |||
187 | public static function pkiStatus($try_generate=true) { |
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188 | if (!function_exists('openssl_pkey_new')) return false; |
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189 | |||
190 | $privKey = OIDplus::config()->getValue('oidplus_private_key'); |
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191 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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192 | |||
193 | if ($try_generate && !verify_private_public_key($privKey, $pubKey)) { |
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194 | $config = array( |
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195 | "digest_alg" => "sha512", |
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196 | "private_key_bits" => 2048, |
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197 | "private_key_type" => OPENSSL_KEYTYPE_RSA, |
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198 | ); |
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199 | |||
200 | // Create the private and public key |
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201 | $res = openssl_pkey_new($config); |
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202 | |||
203 | // Extract the private key from $res to $privKey |
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204 | openssl_pkey_export($res, $privKey); |
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205 | |||
206 | OIDplus::config()->setValue('oidplus_private_key', $privKey); |
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207 | |||
208 | // Extract the public key from $res to $pubKey |
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209 | $pubKey = openssl_pkey_get_details($res); |
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210 | $pubKey = $pubKey["key"]; |
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211 | |||
212 | OIDplus::config()->setValue('oidplus_public_key', $pubKey); |
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213 | } |
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214 | |||
215 | return verify_private_public_key($privKey, $pubKey); |
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216 | } |
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217 | |||
2 | daniel-mar | 218 | public static function init($html=true) { |
42 | daniel-mar | 219 | define('OIDPLUS_HTML_OUTPUT', $html); |
220 | |||
2 | daniel-mar | 221 | // Include config file |
74 | daniel-mar | 222 | |
2 | daniel-mar | 223 | if (file_exists(__DIR__ . '/../config.inc.php')) { |
224 | include_once __DIR__ . '/../config.inc.php'; |
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225 | } else { |
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226 | if ($html) { |
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74 | daniel-mar | 227 | if (!is_dir('setup')) { |
2 | daniel-mar | 228 | echo 'Error: Setup directory missing.'; |
229 | } else { |
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42 | daniel-mar | 230 | header('Location:setup/'); |
2 | daniel-mar | 231 | } |
232 | } else { |
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233 | echo 'Error: Setup directory missing!'; |
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234 | } |
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235 | die(); |
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236 | } |
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237 | |||
238 | // Auto-fill non-existing config values |
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74 | daniel-mar | 239 | |
2 | daniel-mar | 240 | if (!defined('OIDPLUS_CONFIG_VERSION')) define('OIDPLUS_CONFIG_VERSION', 0.0); |
241 | if (!defined('OIDPLUS_ADMIN_PASSWORD')) define('OIDPLUS_ADMIN_PASSWORD', ''); |
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242 | if (!defined('OIDPLUS_MYSQL_HOST')) define('OIDPLUS_MYSQL_HOST', 'localhost'); |
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243 | if (!defined('OIDPLUS_MYSQL_USERNAME')) define('OIDPLUS_MYSQL_USERNAME', 'root'); |
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244 | if (!defined('OIDPLUS_MYSQL_PASSWORD')) define('OIDPLUS_MYSQL_PASSWORD', ''); |
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245 | if (!defined('OIDPLUS_MYSQL_DATABASE')) define('OIDPLUS_MYSQL_DATABASE', 'oidplus'); |
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246 | if (!defined('OIDPLUS_TABLENAME_PREFIX')) define('OIDPLUS_TABLENAME_PREFIX', ''); |
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247 | if (!defined('OIDPLUS_SESSION_SECRET')) define('OIDPLUS_SESSION_SECRET', ''); |
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27 | daniel-mar | 248 | if (!defined('RECAPTCHA_ENABLED')) define('RECAPTCHA_ENABLED', false); |
249 | if (!defined('RECAPTCHA_PUBLIC')) define('RECAPTCHA_PUBLIC', ''); |
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250 | if (!defined('RECAPTCHA_PRIVATE')) define('RECAPTCHA_PRIVATE', ''); |
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2 | daniel-mar | 251 | |
252 | // Check version of the config file |
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74 | daniel-mar | 253 | |
76 | daniel-mar | 254 | if (OIDPLUS_CONFIG_VERSION != 2.0) { |
2 | daniel-mar | 255 | if ($html) { |
256 | 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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257 | } else { |
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258 | echo 'The information located in includes/config.inc.php is outdated. Please run setup again.'; |
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259 | } |
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260 | die(); |
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261 | } |
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42 | daniel-mar | 262 | |
263 | // Do redirect stuff etc. |
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74 | daniel-mar | 264 | |
42 | daniel-mar | 265 | define('OIDPLUS_SSL_AVAILABLE', self::isSslAvailable()); |
61 | daniel-mar | 266 | |
66 | daniel-mar | 267 | // System config settings |
268 | |||
75 | daniel-mar | 269 | OIDplus::config()->prepareConfigKey('objecttypes_initialized', 'List of object type plugins that were initialized once', '', 1, 1); |
270 | 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 | 271 | |
75 | daniel-mar | 272 | OIDplus::config()->prepareConfigKey('oidplus_private_key', 'Private key for this system', '', 1, 0); |
273 | OIDplus::config()->prepareConfigKey('oidplus_public_key', 'Public key for this system', '', 1, 1); |
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74 | daniel-mar | 274 | |
275 | // Initialize public / private keys |
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276 | |||
277 | OIDplus::pkiStatus(true); |
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278 | |||
61 | daniel-mar | 279 | // Register plugins |
74 | daniel-mar | 280 | |
281 | $ary = glob(__DIR__ . '/../../plugins/system/'.'*'.'/plugin.inc.php'); |
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282 | foreach ($ary as $a) include $a; |
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61 | daniel-mar | 283 | $ary = glob(__DIR__ . '/../../plugins/publicPages/'.'*'.'/plugin.inc.php'); |
284 | foreach ($ary as $a) include $a; |
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285 | $ary = glob(__DIR__ . '/../../plugins/raPages/'.'*'.'/plugin.inc.php'); |
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286 | foreach ($ary as $a) include $a; |
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287 | $ary = glob(__DIR__ . '/../../plugins/adminPages/'.'*'.'/plugin.inc.php'); |
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288 | foreach ($ary as $a) include $a; |
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66 | daniel-mar | 289 | $ary = glob(__DIR__ . '/../../plugins/objectTypes/'.'*'.'/*.class.php'); |
290 | foreach ($ary as $a) include $a; |
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74 | daniel-mar | 291 | |
292 | // Initialize plugins |
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293 | |||
294 | foreach (OIDplus::getPagePlugins('*') as $plugin) { |
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295 | $plugin->init($html); |
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296 | } |
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2 | daniel-mar | 297 | } |
42 | daniel-mar | 298 | |
299 | private static function isSslAvailable() { |
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49 | daniel-mar | 300 | $timeout = 2; |
42 | daniel-mar | 301 | |
54 | daniel-mar | 302 | if (php_sapi_name() == 'cli') return false; |
303 | |||
42 | daniel-mar | 304 | if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == "on")) { |
305 | // we are already on HTTPS |
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306 | setcookie('SSL_CHECK', '1', 0, '', '', false, true); |
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307 | return true; |
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308 | } else { |
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49 | daniel-mar | 309 | if (isset($_COOKIE['SSL_CHECK'])) { |
310 | // We already had the HTTPS detection done before. |
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61 | daniel-mar | 311 | if ($_COOKIE['SSL_CHECK']) { |
49 | daniel-mar | 312 | // HTTPS was detected before, but we are HTTP. Redirect now |
313 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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314 | header('Location:'.$location); |
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315 | die('Redirect to HTTPS'); |
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316 | return true; |
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317 | } else { |
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318 | // No HTTPS available. Do nothing. |
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319 | return false; |
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320 | } |
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42 | daniel-mar | 321 | } else { |
49 | daniel-mar | 322 | // This is our first check (or the browser didn't accept the SSL_CHECK cookie) |
323 | if (@fsockopen($_SERVER['HTTP_HOST'], 443, $errno, $errstr, $timeout)) { |
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324 | // HTTPS detected. Redirect now, and remember that we had detected HTTPS |
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325 | setcookie('SSL_CHECK', '1', 0, '', '', false, true); |
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326 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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327 | header('Location:'.$location); |
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328 | die('Redirect to HTTPS'); |
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329 | return true; |
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330 | } else { |
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331 | // No HTTPS detected. Do nothing, and next time, don't try to detect HTTPS again. |
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332 | setcookie('SSL_CHECK', '0', 0, '', '', false, true); |
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333 | return false; |
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334 | } |
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42 | daniel-mar | 335 | } |
336 | } |
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337 | } |
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2 | daniel-mar | 338 | } |