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2aa91ff2 S |
1 | <?php |
2 | namespace dns\system; | |
3 | ||
2c424371 S |
4 | if (!defined('DNS_VERSION')) define('DNS_VERSION', '3.0.0 Beta'); |
5 | ||
2aa91ff2 S |
6 | /** |
7 | * @author Jan Altensen (Stricted) | |
8 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> | |
9 | * @copyright 2014-2015 Jan Altensen (Stricted) | |
10 | */ | |
11 | class DNS { | |
d3147195 S |
12 | /** |
13 | * module name | |
14 | * | |
15 | * @var string | |
16 | */ | |
17 | protected static $module = ''; | |
18 | ||
2aa91ff2 S |
19 | /** |
20 | * database object | |
21 | * | |
22 | * @var object | |
23 | */ | |
24 | protected static $dbObj = null; | |
25 | ||
5a33cd73 S |
26 | /** |
27 | * session object | |
28 | * | |
29 | * @var object | |
30 | */ | |
31 | protected static $sessionObj = null; | |
32 | ||
2aa91ff2 S |
33 | /** |
34 | * template object | |
35 | * | |
36 | * @var object | |
37 | */ | |
38 | protected static $tplObj = null; | |
39 | ||
40 | /** | |
41 | * language array | |
42 | * | |
43 | * @var array | |
44 | */ | |
45 | protected $language = array(); | |
46 | ||
47 | /** | |
48 | * init main system | |
49 | */ | |
d3147195 S |
50 | public function __construct($module = '') { |
51 | self::$module = $module; | |
19018596 S |
52 | spl_autoload_register(array('dns\system\DNS', 'autoload')); |
53 | set_exception_handler(array('dns\system\DNS', 'handleException')); | |
54 | set_error_handler(array('dns\system\DNS', 'handleError'), E_ALL); | |
55 | /*register_shutdown_function(array('dns\system\DNS', 'destruct'));*/ | |
2aa91ff2 S |
56 | |
57 | $this->initDB(); | |
58 | self::buildOptions(); | |
5a33cd73 | 59 | $this->initSession(); |
2aa91ff2 S |
60 | $this->initLanguage(); |
61 | $this->initTPL(); | |
d3147195 | 62 | new RequestHandler(self::$module); |
2aa91ff2 S |
63 | } |
64 | ||
19018596 S |
65 | /* |
66 | public static function destruct() { | |
67 | $error = error_get_last(); | |
68 | if (!empty($error)) { | |
69 | self::handleException(new SystemException($error['message'], $error['line'])); | |
70 | } | |
71 | ||
72 | } | |
73 | */ | |
74 | ||
2aa91ff2 S |
75 | /** |
76 | * get database | |
77 | */ | |
78 | public static function getDB() { | |
79 | return self::$dbObj; | |
80 | } | |
81 | ||
82 | /** | |
83 | * init database | |
84 | */ | |
85 | protected function initDB() { | |
86 | require(DNS_DIR.'/config.inc.php'); | |
87 | self::$dbObj = new DB($driver, $host, $user, $pass, $db, $port); | |
88 | } | |
89 | ||
5a33cd73 S |
90 | /** |
91 | * init session system | |
92 | */ | |
93 | protected function initSession() { | |
94 | self::$sessionObj = new SessionHandler(); | |
95 | } | |
96 | ||
97 | /** | |
98 | * return session object | |
99 | */ | |
100 | public static function getSession() { | |
101 | return self::$sessionObj; | |
102 | } | |
103 | ||
2aa91ff2 S |
104 | /* |
105 | * autoload class files from namespace uses | |
106 | * | |
107 | * @param string $className | |
108 | */ | |
109 | public static function autoload ($className) { | |
110 | $namespaces = explode('\\', $className); | |
111 | if (count($namespaces) > 1) { | |
112 | array_shift($namespaces); | |
113 | $classPath = DNS_DIR.'/lib/'.implode('/', $namespaces).'.class.php'; | |
114 | if (file_exists($classPath)) { | |
115 | require_once($classPath); | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
19018596 S |
120 | /** |
121 | * Calls the show method on the given exception. | |
122 | * | |
123 | * @param \Exception $e | |
124 | */ | |
125 | public static final function handleException(\Exception $e) { | |
126 | try { | |
127 | if ($e instanceof SystemException) { | |
128 | $e->show(); | |
129 | exit; | |
130 | } | |
131 | ||
132 | // repack Exception | |
133 | self::handleException(new SystemException($e->getMessage(), $e->getCode(), '', $e)); | |
134 | } | |
135 | catch (\Exception $exception) { | |
136 | die("<pre>DNS::handleException() Unhandled exception: ".$exception->getMessage()."\n\n".$exception->getTraceAsString()); | |
137 | } | |
138 | } | |
139 | ||
140 | /** | |
141 | * Catches php errors and throws instead a system exception. | |
142 | * | |
143 | * @param integer $errorNo | |
144 | * @param string $message | |
145 | * @param string $filename | |
146 | * @param integer $lineNo | |
147 | */ | |
148 | public static final function handleError($errorNo, $message, $filename, $lineNo) { | |
149 | if (error_reporting() != 0) { | |
150 | $type = 'error'; | |
151 | switch ($errorNo) { | |
152 | case 2: $type = 'warning'; | |
153 | break; | |
154 | case 8: $type = 'notice'; | |
155 | break; | |
156 | } | |
157 | ||
158 | throw new SystemException('PHP '.$type.' in file '.$filename.' ('.$lineNo.'): '.$message, 0); | |
159 | } | |
160 | } | |
161 | ||
162 | /** | |
163 | * Returns true if the debug mode is enabled, otherwise false. | |
164 | * | |
165 | * @return boolean | |
166 | */ | |
167 | public static function debugModeIsEnabled() { | |
168 | // try to load constants | |
169 | if (!defined('ENABLE_DEBUG')) { | |
170 | self::buildOptions(); | |
171 | } | |
172 | ||
173 | if (defined('ENABLE_DEBUG') && ENABLE_DEBUG) { | |
174 | return true; | |
175 | } | |
176 | ||
177 | return false; | |
178 | } | |
179 | ||
2aa91ff2 S |
180 | /** |
181 | * init language system | |
182 | */ | |
183 | protected function initLanguage () { | |
d3147195 S |
184 | /* |
185 | * @TODO: activate this later | |
186 | * self::buildlanguage(); | |
187 | */ | |
2aa91ff2 S |
188 | $availableLanguages = array("de", "en"); |
189 | $languageCode = 'de'; | |
d3147195 | 190 | |
2aa91ff2 S |
191 | if (isset($_GET['l'])) { |
192 | $code = strtolower($_GET['l']); | |
193 | if (in_array($code, $availableLanguages)) { | |
194 | $languageCode = $code; | |
195 | } | |
196 | else if (array_key_exists($code, $availableLanguages)) { | |
197 | $languageCode = $availableLanguages[$code]; | |
198 | } | |
199 | } | |
b8e7e273 S |
200 | else if (self::getSession()->language !== null) { |
201 | $code = strtolower(self::getSession()->language); | |
2aa91ff2 S |
202 | if (in_array($code, $availableLanguages)) { |
203 | $languageCode = $code; | |
204 | } | |
205 | else if (array_key_exists($code, $availableLanguages)) { | |
206 | $languageCode = $availableLanguages[$code]; | |
207 | } | |
208 | } | |
209 | else if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && $_SERVER['HTTP_ACCEPT_LANGUAGE']) { | |
210 | $acceptedLanguages = explode(',', str_replace('_', '-', strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']))); | |
211 | foreach ($acceptedLanguages as $acceptedLanguage) { | |
212 | $code = strtolower(preg_replace('%^([a-z]{2}).*$%i', '$1', $acceptedLanguage)); | |
213 | if (in_array($code, $availableLanguages)) { | |
214 | $languageCode = $code; | |
215 | break; | |
216 | } | |
217 | } | |
218 | } | |
219 | ||
d3147195 S |
220 | // @TODO: remove this later |
221 | /* try to load module language files */ | |
222 | if (!empty(self::$module)) { | |
223 | $basedir = DNS_DIR.'/'.self::$module.'/lang/'; | |
224 | $file = $basedir.$languageCode.'.lang.php'; | |
225 | self::getSession()->register('language', $languageCode); | |
226 | ||
227 | if (file_exists($file)) { | |
228 | require_once($file); | |
229 | if (isset($lang) && !empty($lang) && is_array($lang)) { | |
230 | $this->language = array_merge($this->language, $lang); | |
231 | } | |
232 | } | |
233 | } | |
234 | ||
235 | /* load default language files */ | |
236 | $basedir = DNS_DIR.'/lang/'; | |
2aa91ff2 | 237 | $file = $basedir.$languageCode.'.lang.php'; |
b8e7e273 | 238 | self::getSession()->register('language', $languageCode); |
2aa91ff2 S |
239 | |
240 | if (file_exists($file)) { | |
241 | require_once($file); | |
242 | if (isset($lang) && !empty($lang) && is_array($lang)) { | |
243 | $this->language = array_merge($this->language, $lang); | |
244 | } | |
245 | } | |
246 | ||
247 | return; | |
248 | } | |
249 | ||
250 | /** | |
251 | * Executes template scripting in a language variable. | |
252 | * | |
253 | * @param string $item | |
254 | * @param array $variables | |
255 | * @return string result | |
256 | */ | |
257 | public static function getLanguageVariable ($item, array $variables = array()) { | |
258 | $lang = self::getTPL()->getTemplateVars('language'); | |
259 | ||
260 | if ($lang == null) { | |
261 | return $item; | |
262 | } | |
263 | ||
264 | if (!empty($variables)) { | |
265 | self::getTPL()->assign($variables); | |
266 | } | |
267 | ||
268 | if (isset($lang[$item])) { | |
269 | if (strpos($lang[$item], self::getTPL()->left_delimiter) !== false && strpos($lang[$item], self::getTPL()->right_delimiter) !== false) { | |
270 | $data = str_replace("\$", '$', $lang[$item]); | |
271 | $template_class = self::getTPL()->template_class; | |
272 | $template = new $template_class('eval:'.$data, self::getTPL(), self::getTPL()); | |
273 | return $template->fetch(); | |
274 | } | |
275 | ||
276 | return $lang[$item]; | |
277 | } | |
278 | ||
279 | return $item; | |
280 | } | |
281 | ||
282 | /** | |
283 | * init template engine | |
284 | */ | |
285 | protected function initTPL () { | |
286 | require(DNS_DIR.'/config.inc.php'); | |
287 | ||
b8e7e273 S |
288 | if (self::getSession()->tpl !== null && !empty(self::getSession()->tpl)) { |
289 | $tpl = self::getSession()->tpl; | |
2aa91ff2 S |
290 | } |
291 | ||
01c0ad42 | 292 | require_once(DNS_DIR.'/lib/system/api/smarty/libs/Smarty.class.php'); |
2aa91ff2 S |
293 | self::$tplObj = new \Smarty; |
294 | ||
d3147195 S |
295 | self::getTPL()->setTemplateDir(DNS_DIR.(empty(self::$module) ? '' : '/'.self::$module)."/templates/".$tpl); |
296 | self::getTPL()->setCompileDir(DNS_DIR.(empty(self::$module) ? '' : '/'.self::$module)."/templates/compiled/".$tpl); | |
8c6420e2 | 297 | self::getTPL()->setPluginsDir(array( |
01c0ad42 | 298 | DNS_DIR."/lib/system/api/smarty/libs/plugins", |
8c6420e2 S |
299 | DNS_DIR."/lib/template/plugins" |
300 | )); | |
2aa91ff2 S |
301 | self::getTPL()->loadFilter('pre', 'hascontent'); |
302 | ||
d8929762 | 303 | if (!ENABLE_DEBUG) { |
2aa91ff2 S |
304 | self::getTPL()->loadFilter('output', 'trimwhitespace'); |
305 | } | |
306 | ||
2aa91ff2 | 307 | /* assign language variables */ |
e7216dc0 | 308 | self::getTPL()->assign(array( |
cd67909e S |
309 | "language" => $this->language, |
310 | "isReseller" => User::isReseller(), | |
311 | "isAdmin" => User::isAdmin() | |
312 | )); | |
313 | ||
314 | /*self::getTPL()->assign("version", mb_substr(sha1(DNS_VERSION), 0, 8));*/ | |
315 | ||
2aa91ff2 S |
316 | } |
317 | ||
318 | /** | |
319 | * get template engine | |
320 | */ | |
321 | public static function getTPL () { | |
322 | return self::$tplObj; | |
323 | } | |
324 | ||
e7216dc0 S |
325 | /** |
326 | * Creates a random hash. | |
327 | * | |
328 | * @return string | |
329 | */ | |
330 | public static function generateRandomID() { | |
331 | return sha1(microtime() . uniqid(mt_rand(), true)); | |
332 | } | |
333 | ||
d8929762 S |
334 | /** |
335 | * Creates an UUID. | |
336 | * | |
337 | * @return string | |
338 | */ | |
339 | public static function generateUUID() { | |
340 | return strtoupper(sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(16384, 20479), mt_rand(32768, 49151), mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535))); | |
341 | } | |
342 | ||
2aa91ff2 S |
343 | /** |
344 | * build options from database | |
345 | * | |
346 | * @param boolean $force | |
347 | */ | |
348 | public static function buildOptions ($force = false) { | |
349 | $file = DNS_DIR."/options.inc.php"; | |
350 | if (!file_exists($file) || (filemtime($file) + 86400) < time() || $force === true) { | |
351 | if (file_exists($file)) { | |
352 | @unlink($file); | |
353 | } | |
354 | ||
355 | @touch($file); | |
356 | $options = self::getDB()->query("select * from dns_options"); | |
357 | $content = "<?php\n/* generated at ".gmdate('r')." */\n"; | |
358 | ||
359 | while ($row = self::getDB()->fetch_array($options)) { | |
6d8f93a7 | 360 | $content .= "if (!defined('".strtoupper($row['optionName'])."')) define('".strtoupper($row['optionName'])."', ".((is_bool($row['optionValue']) || is_numeric($row['optionValue'])) ? intval($row['optionValue']) : "'".addcslashes($row['optionValue'], "'\\")."'").");\n"; |
2aa91ff2 S |
361 | } |
362 | ||
363 | $handler = fOpen($file, "a+"); | |
364 | fWrite($handler, $content); | |
365 | fClose($handler); | |
366 | } | |
367 | ||
368 | require_once($file); | |
369 | } | |
d3147195 S |
370 | |
371 | /** | |
372 | * build language files from database | |
373 | * | |
374 | * @param boolean $force | |
375 | */ | |
376 | public static function buildlanguage ($force = false) { | |
377 | $availableLanguages = array("de", "en"); | |
378 | foreach ($availableLanguages as $languageID => $languageCode) { | |
379 | ||
380 | $file = DNS_DIR."/lang/".$languageCode.".lang.php"; | |
381 | if (!file_exists($file) || (filemtime($file) + 86400) < time() || $force === true) { | |
382 | if (file_exists($file)) { | |
383 | @unlink($file); | |
384 | } | |
385 | ||
386 | @touch($file); | |
387 | ||
388 | $items = self::getDB()->query("select * from dns_language where languageID = ?", array($languageID)); | |
389 | $content = "<?php\n/**\n* language: ".$languageCode."\n* encoding: UTF-8\n* generated at ".gmdate("r")."\n* \n* DO NOT EDIT THIS FILE\n*/\n"; | |
390 | $content .= "\$lang = array();\n"; | |
391 | while ($row = self::getDB()->fetch_array($items)) { | |
392 | print_r($row); | |
393 | $content .= "\$lang['".$row['languageItem']."'] = '".str_replace("\$", '$', $row['languageValue'])."';\n"; | |
394 | } | |
395 | ||
396 | $handler = fOpen($file, "a+"); | |
397 | fWrite($handler, $content); | |
398 | fClose($handler); | |
399 | } | |
400 | } | |
401 | } | |
2aa91ff2 | 402 | } |