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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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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| 61 | daniel-mar | 21 | private static /*OIDplusPagePlugin[][]*/ $pagePlugins = array(); |
| 22 | private static /*OIDplusObject*/ $objectTypes = array(); |
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| 74 | daniel-mar | 23 | private static /*OIDplusObject*/ $disabledObjectTypes = array(); |
| 2 | daniel-mar | 24 | |
| 25 | private function __construct() { |
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| 26 | } |
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| 27 | |||
| 28 | public static function db() { |
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| 86 | daniel-mar | 29 | static $database = null; |
| 30 | if (is_null($database)) { |
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| 31 | $database = new OIDplusDataBaseMySQL(); |
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| 2 | daniel-mar | 32 | } |
| 86 | daniel-mar | 33 | return $database; |
| 2 | daniel-mar | 34 | } |
| 35 | |||
| 36 | public static function config() { |
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| 86 | daniel-mar | 37 | static $config = null; |
| 38 | if (is_null($config)) { |
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| 39 | $config = new OIDplusConfig(); |
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| 2 | daniel-mar | 40 | } |
| 86 | daniel-mar | 41 | return $config; |
| 2 | daniel-mar | 42 | } |
| 43 | |||
| 44 | public static function gui() { |
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| 86 | daniel-mar | 45 | static $gui = null; |
| 46 | if (is_null($gui)) { |
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| 47 | $gui = new OIDplusGui(); |
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| 48 | } |
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| 49 | return $gui; |
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| 2 | daniel-mar | 50 | } |
| 51 | |||
| 52 | public static function authUtils() { |
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| 86 | daniel-mar | 53 | static $authUtils = null; |
| 54 | if (is_null($authUtils)) { |
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| 55 | $authUtils = new OIDplusAuthUtils(); |
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| 56 | } |
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| 57 | return $authUtils; |
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| 2 | daniel-mar | 58 | } |
| 59 | |||
| 86 | daniel-mar | 60 | public static function sesHandler() { |
| 61 | static $sesHandler = null; |
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| 62 | if (is_null($sesHandler)) { |
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| 63 | $sesHandler = new OIDplusSessionHandler(OIDPLUS_SESSION_SECRET); |
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| 64 | } |
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| 65 | return $sesHandler; |
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| 66 | } |
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| 67 | |||
| 83 | daniel-mar | 68 | public static function system_url($relative=false) { |
| 74 | daniel-mar | 69 | if (!isset($_SERVER["REQUEST_URI"])) return false; |
| 70 | |||
| 71 | $test_dir = dirname($_SERVER['SCRIPT_FILENAME']); |
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| 72 | $c = 0; |
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| 73 | while (!file_exists($test_dir.'/oidplus.js')) { |
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| 74 | $test_dir = dirname($test_dir); |
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| 75 | $c++; |
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| 76 | if ($c == 1000) return false; |
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| 77 | } |
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| 78 | |||
| 80 | daniel-mar | 79 | $res = dirname($_SERVER['REQUEST_URI'].'xxx'); |
| 74 | daniel-mar | 80 | |
| 81 | for ($i=1; $i<=$c; $i++) { |
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| 76 | daniel-mar | 82 | $res = dirname($res); |
| 74 | daniel-mar | 83 | } |
| 84 | |||
| 76 | daniel-mar | 85 | $res .= '/'; |
| 86 | |||
| 83 | daniel-mar | 87 | if (!$relative) { |
| 88 | $res = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]" . $res; // TODO: also add port? |
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| 89 | } |
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| 82 | daniel-mar | 90 | |
| 74 | daniel-mar | 91 | return $res; |
| 2 | daniel-mar | 92 | } |
| 93 | |||
| 61 | daniel-mar | 94 | public static function registerPagePlugin(OIDplusPagePlugin $plugin) { |
| 95 | $type = $plugin->type(); |
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| 96 | if ($type === false) return false; |
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| 97 | |||
| 98 | $prio = $plugin->priority(); |
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| 99 | if ($prio === false) return false; |
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| 100 | |||
| 101 | if (!isset(self::$pagePlugins[$type])) self::$pagePlugins[$type] = array(); |
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| 102 | self::$pagePlugins[$type][$prio] = $plugin; |
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| 103 | |||
| 104 | return true; |
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| 105 | } |
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| 106 | |||
| 107 | public static function getPagePlugins($type) { |
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| 108 | if ($type == '*') { |
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| 109 | $res = array(); |
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| 110 | foreach (self::$pagePlugins as $data) { |
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| 111 | $res = array_merge($res, $data); |
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| 112 | } |
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| 113 | } else { |
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| 114 | $res = self::$pagePlugins[$type]; |
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| 115 | } |
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| 116 | ksort($res); |
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| 117 | return $res; |
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| 118 | } |
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| 119 | |||
| 120 | public static function registerObjectType($ot) { |
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| 66 | daniel-mar | 121 | $ns = $ot::ns(); |
| 122 | |||
| 123 | if (empty($ns)) die("Attention: Empty NS at $ot\n"); |
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| 124 | |||
| 125 | $ns_found = false; |
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| 126 | foreach (OIDplus::getRegisteredObjectTypes() as $test_ot) { |
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| 127 | if ($test_ot::ns() == $ns) { |
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| 128 | $ns_found = true; |
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| 129 | break; |
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| 130 | } |
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| 131 | } |
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| 132 | if ($ns_found) { |
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| 133 | throw new Exception("Attention: Two objectType plugins use the same namespace \"$ns\"!"); |
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| 134 | } |
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| 135 | |||
| 136 | $init = OIDplus::config()->getValue("objecttypes_initialized"); |
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| 137 | $init_ary = empty($init) ? array() : explode(';', $init); |
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| 70 | daniel-mar | 138 | $init_ary = array_map('trim', $init_ary); |
| 66 | daniel-mar | 139 | |
| 140 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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| 141 | $enabled_ary = empty($enabled) ? array() : explode(';', $enabled); |
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| 70 | daniel-mar | 142 | $enabled_ary = array_map('trim', $enabled_ary); |
| 66 | daniel-mar | 143 | |
| 79 | daniel-mar | 144 | $do_enable = false; |
| 145 | if (in_array($ns, $enabled_ary)) { |
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| 146 | $do_enable = true; |
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| 147 | } else { |
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| 148 | if (!OIDplus::config()->getValue('registration_done')) { |
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| 149 | $do_enable = $ns == 'oid'; |
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| 150 | } else { |
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| 151 | $do_enable = !in_array($ns, $init_ary); |
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| 152 | } |
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| 153 | } |
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| 154 | |||
| 155 | if ($do_enable) { |
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| 66 | daniel-mar | 156 | self::$objectTypes[] = $ot; |
| 157 | usort(self::$objectTypes, function($a, $b) { |
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| 158 | $enabled = OIDplus::config()->getValue("objecttypes_enabled"); |
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| 159 | $enabled_ary = explode(';', $enabled); |
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| 160 | |||
| 161 | $idx_a = array_search($a::ns(), $enabled_ary); |
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| 162 | $idx_b = array_search($b::ns(), $enabled_ary); |
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| 163 | |||
| 164 | if ($idx_a == $idx_b) { |
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| 165 | return 0; |
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| 166 | } |
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| 167 | return ($idx_a > $idx_b) ? +1 : -1; |
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| 168 | }); |
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| 74 | daniel-mar | 169 | } else { |
| 170 | self::$disabledObjectTypes[] = $ot; |
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| 66 | daniel-mar | 171 | } |
| 172 | |||
| 173 | if (!in_array($ns, $init_ary)) { |
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| 174 | // Was never initialized before, so we add it to the list of enabled object types once |
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| 175 | |||
| 79 | daniel-mar | 176 | if ($do_enable) { |
| 177 | $enabled_ary[] = $ns; |
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| 178 | OIDplus::config()->setValue("objecttypes_enabled", implode(';', $enabled_ary)); |
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| 179 | } |
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| 66 | daniel-mar | 180 | |
| 181 | $init_ary[] = $ns; |
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| 182 | OIDplus::config()->setValue("objecttypes_initialized", implode(';', $init_ary)); |
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| 183 | } |
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| 61 | daniel-mar | 184 | } |
| 185 | |||
| 186 | public static function getRegisteredObjectTypes() { |
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| 187 | return self::$objectTypes; |
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| 188 | } |
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| 189 | |||
| 74 | daniel-mar | 190 | public static function getDisabledObjectTypes() { |
| 191 | return self::$disabledObjectTypes; |
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| 192 | } |
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| 193 | |||
| 194 | public static function system_id($oid=false) { |
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| 195 | if (!self::pkiStatus(true)) return false; |
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| 196 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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| 197 | if (preg_match('@BEGIN PUBLIC KEY\-+(.+)\-+END PUBLIC KEY@ismU', $pubKey, $m)) { |
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| 198 | return ($oid ? '1.3.6.1.4.1.37476.30.9.' : '').smallhash(base64_decode($m[1])); |
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| 199 | } |
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| 200 | return false; |
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| 201 | } |
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| 202 | |||
| 203 | public static function pkiStatus($try_generate=true) { |
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| 204 | if (!function_exists('openssl_pkey_new')) return false; |
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| 205 | |||
| 206 | $privKey = OIDplus::config()->getValue('oidplus_private_key'); |
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| 207 | $pubKey = OIDplus::config()->getValue('oidplus_public_key'); |
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| 208 | |||
| 209 | if ($try_generate && !verify_private_public_key($privKey, $pubKey)) { |
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| 210 | $config = array( |
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| 211 | "digest_alg" => "sha512", |
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| 212 | "private_key_bits" => 2048, |
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| 213 | "private_key_type" => OPENSSL_KEYTYPE_RSA, |
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| 214 | ); |
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| 215 | |||
| 216 | // Create the private and public key |
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| 217 | $res = openssl_pkey_new($config); |
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| 218 | |||
| 219 | // Extract the private key from $res to $privKey |
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| 220 | openssl_pkey_export($res, $privKey); |
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| 221 | |||
| 222 | OIDplus::config()->setValue('oidplus_private_key', $privKey); |
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| 223 | |||
| 224 | // Extract the public key from $res to $pubKey |
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| 225 | $pubKey = openssl_pkey_get_details($res); |
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| 226 | $pubKey = $pubKey["key"]; |
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| 227 | |||
| 228 | OIDplus::config()->setValue('oidplus_public_key', $pubKey); |
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| 229 | } |
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| 230 | |||
| 231 | return verify_private_public_key($privKey, $pubKey); |
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| 232 | } |
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| 233 | |||
| 2 | daniel-mar | 234 | public static function init($html=true) { |
| 42 | daniel-mar | 235 | define('OIDPLUS_HTML_OUTPUT', $html); |
| 236 | |||
| 2 | daniel-mar | 237 | // Include config file |
| 74 | daniel-mar | 238 | |
| 2 | daniel-mar | 239 | if (file_exists(__DIR__ . '/../config.inc.php')) { |
| 240 | include_once __DIR__ . '/../config.inc.php'; |
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| 241 | } else { |
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| 242 | if ($html) { |
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| 74 | daniel-mar | 243 | if (!is_dir('setup')) { |
| 2 | daniel-mar | 244 | echo 'Error: Setup directory missing.'; |
| 245 | } else { |
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| 42 | daniel-mar | 246 | header('Location:setup/'); |
| 2 | daniel-mar | 247 | } |
| 248 | } else { |
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| 249 | echo 'Error: Setup directory missing!'; |
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| 250 | } |
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| 251 | die(); |
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| 252 | } |
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| 253 | |||
| 254 | // Auto-fill non-existing config values |
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| 74 | daniel-mar | 255 | |
| 2 | daniel-mar | 256 | if (!defined('OIDPLUS_CONFIG_VERSION')) define('OIDPLUS_CONFIG_VERSION', 0.0); |
| 257 | if (!defined('OIDPLUS_ADMIN_PASSWORD')) define('OIDPLUS_ADMIN_PASSWORD', ''); |
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| 258 | if (!defined('OIDPLUS_MYSQL_HOST')) define('OIDPLUS_MYSQL_HOST', 'localhost'); |
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| 259 | if (!defined('OIDPLUS_MYSQL_USERNAME')) define('OIDPLUS_MYSQL_USERNAME', 'root'); |
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| 260 | if (!defined('OIDPLUS_MYSQL_PASSWORD')) define('OIDPLUS_MYSQL_PASSWORD', ''); |
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| 261 | if (!defined('OIDPLUS_MYSQL_DATABASE')) define('OIDPLUS_MYSQL_DATABASE', 'oidplus'); |
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| 262 | if (!defined('OIDPLUS_TABLENAME_PREFIX')) define('OIDPLUS_TABLENAME_PREFIX', ''); |
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| 263 | if (!defined('OIDPLUS_SESSION_SECRET')) define('OIDPLUS_SESSION_SECRET', ''); |
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| 27 | daniel-mar | 264 | if (!defined('RECAPTCHA_ENABLED')) define('RECAPTCHA_ENABLED', false); |
| 265 | if (!defined('RECAPTCHA_PUBLIC')) define('RECAPTCHA_PUBLIC', ''); |
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| 266 | if (!defined('RECAPTCHA_PRIVATE')) define('RECAPTCHA_PRIVATE', ''); |
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| 80 | daniel-mar | 267 | if (!defined('OIDPLUS_ENFORCE_SSL')) define('OIDPLUS_ENFORCE_SSL', 2); |
| 2 | daniel-mar | 268 | |
| 269 | // Check version of the config file |
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| 74 | daniel-mar | 270 | |
| 76 | daniel-mar | 271 | if (OIDPLUS_CONFIG_VERSION != 2.0) { |
| 2 | daniel-mar | 272 | if ($html) { |
| 273 | 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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| 274 | } else { |
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| 275 | echo 'The information located in includes/config.inc.php is outdated. Please run setup again.'; |
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| 276 | } |
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| 277 | die(); |
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| 278 | } |
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| 42 | daniel-mar | 279 | |
| 280 | // Do redirect stuff etc. |
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| 74 | daniel-mar | 281 | |
| 42 | daniel-mar | 282 | define('OIDPLUS_SSL_AVAILABLE', self::isSslAvailable()); |
| 61 | daniel-mar | 283 | |
| 66 | daniel-mar | 284 | // System config settings |
| 285 | |||
| 75 | daniel-mar | 286 | OIDplus::config()->prepareConfigKey('objecttypes_initialized', 'List of object type plugins that were initialized once', '', 1, 1); |
| 287 | 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 | 288 | |
| 75 | daniel-mar | 289 | OIDplus::config()->prepareConfigKey('oidplus_private_key', 'Private key for this system', '', 1, 0); |
| 80 | daniel-mar | 290 | 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 | 291 | |
| 292 | // Initialize public / private keys |
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| 293 | |||
| 294 | OIDplus::pkiStatus(true); |
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| 295 | |||
| 61 | daniel-mar | 296 | // Register plugins |
| 74 | daniel-mar | 297 | |
| 298 | $ary = glob(__DIR__ . '/../../plugins/system/'.'*'.'/plugin.inc.php'); |
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| 299 | foreach ($ary as $a) include $a; |
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| 61 | daniel-mar | 300 | $ary = glob(__DIR__ . '/../../plugins/publicPages/'.'*'.'/plugin.inc.php'); |
| 301 | foreach ($ary as $a) include $a; |
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| 302 | $ary = glob(__DIR__ . '/../../plugins/raPages/'.'*'.'/plugin.inc.php'); |
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| 303 | foreach ($ary as $a) include $a; |
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| 304 | $ary = glob(__DIR__ . '/../../plugins/adminPages/'.'*'.'/plugin.inc.php'); |
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| 305 | foreach ($ary as $a) include $a; |
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| 66 | daniel-mar | 306 | $ary = glob(__DIR__ . '/../../plugins/objectTypes/'.'*'.'/*.class.php'); |
| 307 | foreach ($ary as $a) include $a; |
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| 74 | daniel-mar | 308 | |
| 309 | // Initialize plugins |
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| 310 | |||
| 311 | foreach (OIDplus::getPagePlugins('*') as $plugin) { |
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| 312 | $plugin->init($html); |
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| 313 | } |
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| 2 | daniel-mar | 314 | } |
| 42 | daniel-mar | 315 | |
| 316 | private static function isSslAvailable() { |
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| 49 | daniel-mar | 317 | $timeout = 2; |
| 80 | daniel-mar | 318 | $already_ssl = isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == "on"); |
| 319 | $ssl_port = 443; |
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| 83 | daniel-mar | 320 | $cookie_path = OIDplus::system_url(true); |
| 321 | if (empty($cookie_path)) $cookie_path = '/'; |
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| 42 | daniel-mar | 322 | |
| 54 | daniel-mar | 323 | if (php_sapi_name() == 'cli') return false; |
| 324 | |||
| 80 | daniel-mar | 325 | if (OIDPLUS_ENFORCE_SSL == 0) { |
| 326 | // No SSL available |
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| 327 | return $already_ssl; |
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| 328 | } |
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| 329 | |||
| 330 | if (OIDPLUS_ENFORCE_SSL == 1) { |
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| 331 | // Force SSL |
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| 332 | if ($already_ssl) { |
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| 333 | return true; |
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| 42 | daniel-mar | 334 | } else { |
| 80 | daniel-mar | 335 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
| 336 | header('Location:'.$location); |
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| 337 | die('Redirect to HTTPS'); |
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| 338 | return true; |
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| 339 | } |
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| 340 | } |
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| 341 | |||
| 342 | if (OIDPLUS_ENFORCE_SSL == 2) { |
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| 343 | // Automatic SSL detection |
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| 344 | |||
| 345 | if ($already_ssl) { |
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| 346 | // we are already on HTTPS |
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| 83 | daniel-mar | 347 | setcookie('SSL_CHECK', '1', 0, $cookie_path, '', false, true); |
| 80 | daniel-mar | 348 | return true; |
| 349 | } else { |
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| 350 | if (isset($_COOKIE['SSL_CHECK'])) { |
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| 351 | // We already had the HTTPS detection done before. |
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| 352 | if ($_COOKIE['SSL_CHECK']) { |
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| 353 | // HTTPS was detected before, but we are HTTP. Redirect now |
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| 354 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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| 355 | header('Location:'.$location); |
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| 356 | die('Redirect to HTTPS'); |
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| 357 | return true; |
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| 358 | } else { |
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| 359 | // No HTTPS available. Do nothing. |
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| 360 | return false; |
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| 361 | } |
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| 49 | daniel-mar | 362 | } else { |
| 80 | daniel-mar | 363 | // This is our first check (or the browser didn't accept the SSL_CHECK cookie) |
| 364 | if (@fsockopen($_SERVER['HTTP_HOST'], $ssl_port, $errno, $errstr, $timeout)) { |
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| 365 | // HTTPS detected. Redirect now, and remember that we had detected HTTPS |
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| 83 | daniel-mar | 366 | setcookie('SSL_CHECK', '1', 0, $cookie_path, '', false, true); |
| 80 | daniel-mar | 367 | $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
| 368 | header('Location:'.$location); |
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| 369 | die('Redirect to HTTPS'); |
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| 370 | return true; |
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| 371 | } else { |
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| 372 | // No HTTPS detected. Do nothing, and next time, don't try to detect HTTPS again. |
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| 83 | daniel-mar | 373 | setcookie('SSL_CHECK', '0', 0, $cookie_path, '', false, true); |
| 80 | daniel-mar | 374 | return false; |
| 375 | } |
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| 49 | daniel-mar | 376 | } |
| 42 | daniel-mar | 377 | } |
| 378 | } |
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| 379 | } |
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| 2 | daniel-mar | 380 | } |