1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  * @package Nette\Config
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * Initial system DI container generator.
 13:  *
 14:  * @author     David Grudl
 15:  *
 16:  * @property   bool $debugMode
 17:  * @property-write $tempDirectory
 18:  * @package Nette\Config
 19:  */
 20: class NConfigurator extends NObject
 21: {
 22:     /** config file sections */
 23:     const AUTO = NULL,
 24:         NONE = FALSE;
 25: 
 26:     /** @deprecated */
 27:     const DEVELOPMENT = 'development',
 28:         PRODUCTION = 'production';
 29: 
 30:     /** @var array of function(Configurator $sender, Compiler $compiler); Occurs after the compiler is created */
 31:     public $onCompile;
 32: 
 33:     /** @var array */
 34:     protected $parameters;
 35: 
 36:     /** @var array */
 37:     protected $files = array();
 38: 
 39: 
 40:     public function __construct()
 41:     {
 42:         $this->parameters = $this->getDefaultParameters();
 43:     }
 44: 
 45: 
 46:     /**
 47:      * Set parameter %debugMode%.
 48:      * @param  bool|string|array
 49:      * @return self
 50:      */
 51:     public function setDebugMode($value = '')
 52:     {
 53:         $this->parameters['debugMode'] = is_string($value) || is_array($value) ? self::detectDebugMode($value) : (bool) $value;
 54:         $this->parameters['productionMode'] = !$this->parameters['debugMode']; // compatibility
 55:         return $this;
 56:     }
 57: 
 58: 
 59:     /**
 60:      * @return bool
 61:      */
 62:     public function isDebugMode()
 63:     {
 64:         return !$this->parameters['productionMode'];
 65:     }
 66: 
 67: 
 68:     /**
 69:      * Sets path to temporary directory.
 70:      * @return self
 71:      */
 72:     public function setTempDirectory($path)
 73:     {
 74:         $this->parameters['tempDir'] = $path;
 75:         if (($cacheDir = $this->getCacheDirectory()) && !is_dir($cacheDir)) {
 76:             mkdir($cacheDir);
 77:         }
 78:         return $this;
 79:     }
 80: 
 81: 
 82:     /**
 83:      * Adds new parameters. The %params% will be expanded.
 84:      * @return self
 85:      */
 86:     public function addParameters(array $params)
 87:     {
 88:         $this->parameters = NConfigHelpers::merge($params, $this->parameters);
 89:         return $this;
 90:     }
 91: 
 92: 
 93:     /**
 94:      * @return array
 95:      */
 96:     protected function getDefaultParameters()
 97:     {
 98:         $trace = PHP_VERSION_ID < 50205 ? debug_backtrace() : debug_backtrace(FALSE);
 99:         $debugMode = self::detectDebugMode();
100:         return array(
101:             'appDir' => isset($trace[1]['file']) ? dirname($trace[1]['file']) : NULL,
102:             'wwwDir' => isset($_SERVER['SCRIPT_FILENAME']) ? dirname($_SERVER['SCRIPT_FILENAME']) : NULL,
103:             'debugMode' => $debugMode,
104:             'productionMode' => !$debugMode,
105:             'environment' => $debugMode ? 'development' : 'production',
106:             'consoleMode' => PHP_SAPI === 'cli',
107:             'container' => array(
108:                 'class' => 'SystemContainer',
109:                 'parent' => 'NDIContainer',
110:             )
111:         );
112:     }
113: 
114: 
115:     /**
116:      * @param  string        error log directory
117:      * @param  string        administrator email
118:      * @return void
119:      */
120:     public function enableDebugger($logDirectory = NULL, $email = NULL)
121:     {
122:         NDebugger::$strictMode = TRUE;
123:         NDebugger::enable($this->parameters['productionMode'], $logDirectory, $email);
124:     }
125: 
126: 
127:     /**
128:      * @return NRobotLoader
129:      */
130:     public function createRobotLoader()
131:     {
132:         if (!($cacheDir = $this->getCacheDirectory())) {
133:             throw new InvalidStateException("Set path to temporary directory using setTempDirectory().");
134:         }
135:         $loader = new NRobotLoader;
136:         $loader->setCacheStorage(new NFileStorage($cacheDir));
137:         $loader->autoRebuild = !$this->parameters['productionMode'];
138:         return $loader;
139:     }
140: 
141: 
142:     /**
143:      * Adds configuration file.
144:      * @return self
145:      */
146:     public function addConfig($file, $section = NULL)
147:     {
148:         $this->files[] = array($file, $section === NULL ? $this->parameters['environment'] : $section);
149:         return $this;
150:     }
151: 
152: 
153:     /** @deprecated */
154:     public function loadConfig($file, $section = NULL)
155:     {
156:         trigger_error(__METHOD__ . '() is deprecated; use addConfig(file, [section])->createContainer() instead.', E_USER_WARNING);
157:         return $this->addConfig($file, $section)->createContainer();
158:     }
159: 
160: 
161:     /**
162:      * Returns system DI container.
163:      * @return SystemContainer|NContainer
164:      */
165:     public function createContainer()
166:     {
167:         if ($cacheDir = $this->getCacheDirectory()) {
168:             $cache = new NCache(new NPhpFileStorage($cacheDir), 'Nette.Configurator');
169:             $cacheKey = array($this->parameters, $this->files);
170:             $cached = $cache->load($cacheKey);
171:             if (!$cached) {
172:                 $code = $this->buildContainer($dependencies);
173:                 $cache->save($cacheKey, $code, array(
174:                     NCache::FILES => $dependencies,
175:                 ));
176:                 $cached = $cache->load($cacheKey);
177:             }
178:             NLimitedScope::load($cached['file'], TRUE);
179: 
180:         } elseif ($this->files) {
181:             throw new InvalidStateException("Set path to temporary directory using setTempDirectory().");
182: 
183:         } else {
184:             NLimitedScope::evaluate($this->buildContainer()); // back compatibility with Environment
185:         }
186: 
187:         $container = new $this->parameters['container']['class'];
188:         $container->initialize();
189:         NEnvironment::setContext($container); // back compatibility
190:         return $container;
191:     }
192: 
193: 
194:     /**
195:      * Build system container class.
196:      * @return string
197:      */
198:     protected function buildContainer(& $dependencies = NULL)
199:     {
200:         $loader = $this->createLoader();
201:         $config = array();
202:         $code = "<?php\n";
203:         foreach ($this->files as $tmp) {
204:             list($file, $section) = $tmp;
205:             $config = NConfigHelpers::merge($loader->load($file, $section), $config);
206:             $code .= "// source: $file $section\n";
207:         }
208:         $code .= "\n";
209: 
210:         $this->checkCompatibility($config);
211: 
212:         if (!isset($config['parameters'])) {
213:             $config['parameters'] = array();
214:         }
215:         $config['parameters'] = NConfigHelpers::merge($config['parameters'], $this->parameters);
216: 
217:         $compiler = $this->createCompiler();
218:         $this->onCompile($this, $compiler);
219: 
220:         $code .= $compiler->compile(
221:             $config,
222:             $this->parameters['container']['class'],
223:             $config['parameters']['container']['parent']
224:         );
225:         $dependencies = array_merge($loader->getDependencies(), $this->isDebugMode() ? $compiler->getContainerBuilder()->getDependencies() : array());
226:         return $code;
227:     }
228: 
229: 
230:     protected function checkCompatibility(array $config)
231:     {
232:         foreach (array('service' => 'services', 'variable' => 'parameters', 'variables' => 'parameters', 'mode' => 'parameters', 'const' => 'constants') as $old => $new) {
233:             if (isset($config[$old])) {
234:                 throw new DeprecatedException("Section '$old' in configuration file is deprecated; use '$new' instead.");
235:             }
236:         }
237:         if (isset($config['services'])) {
238:             foreach ($config['services'] as $key => $def) {
239:                 foreach (array('option' => 'arguments', 'methods' => 'setup') as $old => $new) {
240:                     if (is_array($def) && isset($def[$old])) {
241:                         throw new DeprecatedException("Section '$old' in service definition is deprecated; refactor it into '$new'.");
242:                     }
243:                 }
244:             }
245:         }
246:     }
247: 
248: 
249:     /**
250:      * @return NConfigCompiler
251:      */
252:     protected function createCompiler()
253:     {
254:         $compiler = new NConfigCompiler;
255:         $compiler->addExtension('php', new NPhpExtension)
256:             ->addExtension('constants', new NConstantsExtension)
257:             ->addExtension('nette', new NNetteExtension);
258:         return $compiler;
259:     }
260: 
261: 
262:     /**
263:      * @return NConfigLoader
264:      */
265:     protected function createLoader()
266:     {
267:         return new NConfigLoader;
268:     }
269: 
270: 
271:     protected function getCacheDirectory()
272:     {
273:         return empty($this->parameters['tempDir']) ? NULL : $this->parameters['tempDir'] . '/cache';
274:     }
275: 
276: 
277:     /********************* tools ****************d*g**/
278: 
279: 
280:     /**
281:      * Detects debug mode by IP address.
282:      * @param  string|array  IP addresses or computer names whitelist detection
283:      * @return bool
284:      */
285:     public static function detectDebugMode($list = NULL)
286:     {
287:         $list = is_string($list) ? preg_split('#[,\s]+#', $list) : (array) $list;
288:         if (!isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
289:             $list[] = '127.0.0.1';
290:             $list[] = '::1';
291:         }
292:         return in_array(isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : php_uname('n'), $list, TRUE);
293:     }
294: 
295: 
296:     /** @deprecated */
297:     public function setProductionMode($value = TRUE)
298:     {
299:         return $this->setDebugMode(is_bool($value) ? !$value : $value);
300:     }
301: 
302: 
303:     /** @deprecated */
304:     public function isProductionMode()
305:     {
306:         return !$this->isDebugMode();
307:     }
308: 
309: 
310:     /** @deprecated */
311:     public static function detectProductionMode($list = NULL)
312:     {
313:         return !self::detectDebugMode($list);
314:     }
315: 
316: }
317: