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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 | |||
| 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 | |||
| 80 | daniel-mar | 63 | $res = dirname($_SERVER['REQUEST_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 | |||
| 82 | daniel-mar | 71 | $res = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]" . $res; // TODO: also add port? |
| 72 | |||
| 74 | daniel-mar | 73 | return $res; |
| 2 | daniel-mar | 74 | } |
| 75 | |||
| 42 | daniel-mar | 76 | public static function sesHandler() { |
| 77 | return new OIDplusSessionHandler(OIDPLUS_SESSION_SECRET); |
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| 78 | } |
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| 79 | |||
| 61 | daniel-mar | 80 | public static function registerPagePlugin(OIDplusPagePlugin $plugin) { |
| 81 | $type = $plugin->type(); |
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| 82 | if ($type === false) return false; |
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| 83 | |||
| 84 | $prio = $plugin->priority(); |
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| 85 | if ($prio === false) return false; |
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| 86 | |||
| 87 | if (!isset(self::$pagePlugins[$type])) self::$pagePlugins[$type] = array(); |
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| 88 | self::$pagePlugins[$type][$prio] = $plugin; |
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| 89 | |||
| 90 | return true; |
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| 91 | } |
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| 92 | |||
| 93 | public static function getPagePlugins($type) { |
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| 94 | if ($type == '*') { |
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| 95 | $res = array(); |
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| 96 | foreach (self::$pagePlugins as $data) { |
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| 97 | $res = array_merge($res, $data); |
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| 98 | } |
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| 99 | } else { |
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| 100 | $res = self::$pagePlugins[$type]; |
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| 101 | } |
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| 102 | ksort($res); |
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| 103 | return $res; |
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| 104 | } |
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| 105 | |||
| 106 | public static function registerObjectType($ot) { |
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| 66 | daniel-mar | 107 | $ns = $ot::ns(); |
| 108 | |||
| 109 | if (empty($ns)) die("Attention: Empty NS at $ot\n"); |
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| 110 | |||
| 111 | $ns_found = false; |
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| 112 | foreach (OIDplus::getRegisteredObjectTypes() as $test_ot) { |
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| 113 | if ($test_ot::ns() == $ns) { |
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| 114 | $ns_found = true; |
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| 115 | break; |
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| 116 | } |
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| 117 | } |
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| 118 | if ($ns_found) { |
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| 119 | throw new Exception("Attention: Two objectType plugins use the same namespace \"$ns\"!"); |
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| 120 | } |
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| 121 | |||
| 122 | $init = OIDplus::config()->getValue("objecttypes_initialized"); |
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| 123 | $init_ary = empty($init) ? array() : explode(';', $init); |
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| 70 | daniel-mar | 124 | $init_ary = array_map('trim', $init_ary); |
| 66 | daniel-mar | 125 | |
| 126 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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| 127 | $enabled_ary = empty($enabled) ? array() : explode(';', $enabled); |
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| 70 | daniel-mar | 128 | $enabled_ary = array_map('trim', $enabled_ary); |
| 66 | daniel-mar | 129 | |
| 79 | daniel-mar | 130 | $do_enable = false; |
| 131 | if (in_array($ns, $enabled_ary)) { |
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| 132 | $do_enable = true; |
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| 133 | } else { |
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| 134 | if (!OIDplus::config()->getValue('registration_done')) { |
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| 135 | $do_enable = $ns == 'oid'; |
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| 136 | } else { |
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| 137 | $do_enable = !in_array($ns, $init_ary); |
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| 138 | } |
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| 139 | } |
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| 140 | |||
| 141 | if ($do_enable) { |
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| 66 | daniel-mar | 142 | self::$objectTypes[] = $ot; |
| 143 | usort(self::$objectTypes, function($a, $b) { |
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| 144 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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| 145 | $enabled_ary = explode(';', $enabled); |
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| 146 | |||
| 147 | $idx_a = array_search($a::ns(), $enabled_ary); |
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| 148 | $idx_b = array_search($b::ns(), $enabled_ary); |
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| 149 | |||
| 150 | if ($idx_a == $idx_b) { |
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| 151 | return 0; |
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| 152 | } |
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| 153 | return ($idx_a > $idx_b) ? +1 : -1; |
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| 154 | }); |
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| 74 | daniel-mar | 155 | } else { |
| 156 | self::$disabledObjectTypes[] = $ot; |
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| 66 | daniel-mar | 157 | } |
| 158 | |||
| 159 | if (!in_array($ns, $init_ary)) { |
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| 160 | // Was never initialized before, so we add it to the list of enabled object types once |
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| 161 | |||
| 79 | daniel-mar | 162 | if ($do_enable) { |
| 163 | $enabled_ary[] = $ns; |
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| 164 | OIDplus::config()->setValue("objecttypes_enabled", implode(';', $enabled_ary)); |
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| 165 | } |
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| 66 | daniel-mar | 166 | |
| 167 | $init_ary[] = $ns; |
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| 168 | OIDplus::config()->setValue("objecttypes_initialized", implode(';', $init_ary)); |
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| 169 | } |
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| 61 | daniel-mar | 170 | } |
| 171 | |||
| 172 | public static function getRegisteredObjectTypes() { |
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| 173 | return self::$objectTypes; |
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| 174 | } |
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| 175 | |||
| 74 | daniel-mar | 176 | public static function getDisabledObjectTypes() { |
| 177 | return self::$disabledObjectTypes; |
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| 178 | } |
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| 179 | |||
| 180 | public static function system_id($oid=false) { |
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| 181 | if (!self::pkiStatus(true)) return false; |
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| 182 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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| 183 | if (preg_match('@BEGIN PUBLIC KEY\-+(.+)\-+END PUBLIC KEY@ismU', $pubKey, $m)) { |
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| 184 | return ($oid ? '1.3.6.1.4.1.37476.30.9.' : '').smallhash(base64_decode($m[1])); |
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| 185 | } |
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| 186 | return false; |
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| 187 | } |
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| 188 | |||
| 189 | public static function pkiStatus($try_generate=true) { |
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| 190 | if (!function_exists('openssl_pkey_new')) return false; |
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| 191 | |||
| 192 | $privKey = OIDplus::config()->getValue('oidplus_private_key'); |
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| 193 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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| 194 | |||
| 195 | if ($try_generate && !verify_private_public_key($privKey, $pubKey)) { |
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| 196 | $config = array( |
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| 197 | "digest_alg" => "sha512", |
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| 198 | "private_key_bits" => 2048, |
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| 199 | "private_key_type" => OPENSSL_KEYTYPE_RSA, |
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| 200 | ); |
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| 201 | |||
| 202 | // Create the private and public key |
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| 203 | $res = openssl_pkey_new($config); |
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| 204 | |||
| 205 | // Extract the private key from $res to $privKey |
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| 206 | openssl_pkey_export($res, $privKey); |
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| 207 | |||
| 208 | OIDplus::config()->setValue('oidplus_private_key', $privKey); |
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| 209 | |||
| 210 | // Extract the public key from $res to $pubKey |
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| 211 | $pubKey = openssl_pkey_get_details($res); |
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| 212 | $pubKey = $pubKey["key"]; |
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| 213 | |||
| 214 | OIDplus::config()->setValue('oidplus_public_key', $pubKey); |
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| 215 | } |
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| 216 | |||
| 217 | return verify_private_public_key($privKey, $pubKey); |
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| 218 | } |
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| 219 | |||
| 2 | daniel-mar | 220 | public static function init($html=true) { |
| 42 | daniel-mar | 221 | define('OIDPLUS_HTML_OUTPUT', $html); |
| 222 | |||
| 2 | daniel-mar | 223 | // Include config file |
| 74 | daniel-mar | 224 | |
| 2 | daniel-mar | 225 | if (file_exists(__DIR__ . '/../config.inc.php')) { |
| 226 | include_once __DIR__ . '/../config.inc.php'; |
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| 227 | } else { |
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| 228 | if ($html) { |
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| 74 | daniel-mar | 229 | if (!is_dir('setup')) { |
| 2 | daniel-mar | 230 | echo 'Error: Setup directory missing.'; |
| 231 | } else { |
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| 42 | daniel-mar | 232 | header('Location:setup/'); |
| 2 | daniel-mar | 233 | } |
| 234 | } else { |
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| 235 | echo 'Error: Setup directory missing!'; |
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| 236 | } |
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| 237 | die(); |
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| 238 | } |
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| 239 | |||
| 240 | // Auto-fill non-existing config values |
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| 74 | daniel-mar | 241 | |
| 2 | daniel-mar | 242 | if (!defined('OIDPLUS_CONFIG_VERSION')) define('OIDPLUS_CONFIG_VERSION', 0.0); |
| 243 | if (!defined('OIDPLUS_ADMIN_PASSWORD')) define('OIDPLUS_ADMIN_PASSWORD', ''); |
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| 244 | if (!defined('OIDPLUS_MYSQL_HOST')) define('OIDPLUS_MYSQL_HOST', 'localhost'); |
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| 245 | if (!defined('OIDPLUS_MYSQL_USERNAME')) define('OIDPLUS_MYSQL_USERNAME', 'root'); |
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| 246 | if (!defined('OIDPLUS_MYSQL_PASSWORD')) define('OIDPLUS_MYSQL_PASSWORD', ''); |
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| 247 | if (!defined('OIDPLUS_MYSQL_DATABASE')) define('OIDPLUS_MYSQL_DATABASE', 'oidplus'); |
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| 248 | if (!defined('OIDPLUS_TABLENAME_PREFIX')) define('OIDPLUS_TABLENAME_PREFIX', ''); |
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| 249 | if (!defined('OIDPLUS_SESSION_SECRET')) define('OIDPLUS_SESSION_SECRET', ''); |
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| 27 | daniel-mar | 250 | if (!defined('RECAPTCHA_ENABLED')) define('RECAPTCHA_ENABLED', false); |
| 251 | if (!defined('RECAPTCHA_PUBLIC')) define('RECAPTCHA_PUBLIC', ''); |
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| 252 | if (!defined('RECAPTCHA_PRIVATE')) define('RECAPTCHA_PRIVATE', ''); |
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| 80 | daniel-mar | 253 | if (!defined('OIDPLUS_ENFORCE_SSL')) define('OIDPLUS_ENFORCE_SSL', 2); |
| 2 | daniel-mar | 254 | |
| 255 | // Check version of the config file |
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| 74 | daniel-mar | 256 | |
| 76 | daniel-mar | 257 | if (OIDPLUS_CONFIG_VERSION != 2.0) { |
| 2 | daniel-mar | 258 | if ($html) { |
| 259 | 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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| 260 | } else { |
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| 261 | echo 'The information located in includes/config.inc.php is outdated. Please run setup again.'; |
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| 262 | } |
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| 263 | die(); |
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| 264 | } |
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| 42 | daniel-mar | 265 | |
| 266 | // Do redirect stuff etc. |
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| 74 | daniel-mar | 267 | |
| 42 | daniel-mar | 268 | define('OIDPLUS_SSL_AVAILABLE', self::isSslAvailable()); |
| 61 | daniel-mar | 269 | |
| 66 | daniel-mar | 270 | // System config settings |
| 271 | |||
| 75 | daniel-mar | 272 | OIDplus::config()->prepareConfigKey('objecttypes_initialized', 'List of object type plugins that were initialized once', '', 1, 1); |
| 273 | 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 | 274 | |
| 75 | daniel-mar | 275 | OIDplus::config()->prepareConfigKey('oidplus_private_key', 'Private key for this system', '', 1, 0); |
| 80 | daniel-mar | 276 | 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 | 277 | |
| 278 | // Initialize public / private keys |
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| 279 | |||
| 280 | OIDplus::pkiStatus(true); |
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| 281 | |||
| 61 | daniel-mar | 282 | // Register plugins |
| 74 | daniel-mar | 283 | |
| 284 | $ary = glob(__DIR__ . '/../../plugins/system/'.'*'.'/plugin.inc.php'); |
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| 285 | foreach ($ary as $a) include $a; |
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| 61 | daniel-mar | 286 | $ary = glob(__DIR__ . '/../../plugins/publicPages/'.'*'.'/plugin.inc.php'); |
| 287 | foreach ($ary as $a) include $a; |
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| 288 | $ary = glob(__DIR__ . '/../../plugins/raPages/'.'*'.'/plugin.inc.php'); |
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| 289 | foreach ($ary as $a) include $a; |
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| 290 | $ary = glob(__DIR__ . '/../../plugins/adminPages/'.'*'.'/plugin.inc.php'); |
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| 291 | foreach ($ary as $a) include $a; |
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| 66 | daniel-mar | 292 | $ary = glob(__DIR__ . '/../../plugins/objectTypes/'.'*'.'/*.class.php'); |
| 293 | foreach ($ary as $a) include $a; |
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| 74 | daniel-mar | 294 | |
| 295 | // Initialize plugins |
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| 296 | |||
| 297 | foreach (OIDplus::getPagePlugins('*') as $plugin) { |
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| 298 | $plugin->init($html); |
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| 299 | } |
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| 2 | daniel-mar | 300 | } |
| 42 | daniel-mar | 301 | |
| 302 | private static function isSslAvailable() { |
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| 49 | daniel-mar | 303 | $timeout = 2; |
| 80 | daniel-mar | 304 | $already_ssl = isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == "on"); |
| 305 | $ssl_port = 443; |
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| 42 | daniel-mar | 306 | |
| 54 | daniel-mar | 307 | if (php_sapi_name() == 'cli') return false; |
| 308 | |||
| 80 | daniel-mar | 309 | if (OIDPLUS_ENFORCE_SSL == 0) { |
| 310 | // No SSL available |
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| 311 | return $already_ssl; |
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| 312 | } |
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| 313 | |||
| 314 | if (OIDPLUS_ENFORCE_SSL == 1) { |
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| 315 | // Force SSL |
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| 316 | if ($already_ssl) { |
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| 317 | return true; |
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| 42 | daniel-mar | 318 | } else { |
| 80 | daniel-mar | 319 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
| 320 | header('Location:'.$location); |
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| 321 | die('Redirect to HTTPS'); |
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| 322 | return true; |
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| 323 | } |
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| 324 | } |
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| 325 | |||
| 326 | if (OIDPLUS_ENFORCE_SSL == 2) { |
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| 327 | // Automatic SSL detection |
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| 328 | |||
| 329 | if ($already_ssl) { |
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| 330 | // we are already on HTTPS |
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| 331 | setcookie('SSL_CHECK', '1', 0, '', '', false, true); |
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| 332 | return true; |
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| 333 | } else { |
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| 334 | if (isset($_COOKIE['SSL_CHECK'])) { |
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| 335 | // We already had the HTTPS detection done before. |
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| 336 | if ($_COOKIE['SSL_CHECK']) { |
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| 337 | // HTTPS was detected before, but we are HTTP. Redirect now |
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| 338 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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| 339 | header('Location:'.$location); |
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| 340 | die('Redirect to HTTPS'); |
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| 341 | return true; |
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| 342 | } else { |
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| 343 | // No HTTPS available. Do nothing. |
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| 344 | return false; |
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| 345 | } |
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| 49 | daniel-mar | 346 | } else { |
| 80 | daniel-mar | 347 | // This is our first check (or the browser didn't accept the SSL_CHECK cookie) |
| 348 | if (@fsockopen($_SERVER['HTTP_HOST'], $ssl_port, $errno, $errstr, $timeout)) { |
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| 349 | // HTTPS detected. Redirect now, and remember that we had detected HTTPS |
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| 350 | setcookie('SSL_CHECK', '1', 0, '', '', false, true); |
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| 351 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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| 352 | header('Location:'.$location); |
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| 353 | die('Redirect to HTTPS'); |
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| 354 | return true; |
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| 355 | } else { |
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| 356 | // No HTTPS detected. Do nothing, and next time, don't try to detect HTTPS again. |
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| 357 | setcookie('SSL_CHECK', '0', 0, '', '', false, true); |
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| 358 | return false; |
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| 359 | } |
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| 49 | daniel-mar | 360 | } |
| 42 | daniel-mar | 361 | } |
| 362 | } |
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| 363 | } |
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| 2 | daniel-mar | 364 | } |