Total Complexity | 110 |
Total Lines | 701 |
Duplicated Lines | 0 % |
Changes | 18 | ||
Bugs | 4 | Features | 0 |
Complex classes like DebugBar often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DebugBar, and based on these observations, apply Extract Interface, too.
1 | <?php |
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50 | class DebugBar |
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51 | { |
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52 | use Configurable; |
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53 | use Injectable; |
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54 | |||
55 | /** |
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56 | * @var BaseDebugBar|false|null |
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57 | */ |
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58 | protected static $debugbar; |
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59 | |||
60 | /** |
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61 | * @var bool |
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62 | */ |
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63 | public static $bufferingEnabled = false; |
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64 | |||
65 | /** |
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66 | * @var bool |
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67 | */ |
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68 | public static $suppressJquery = false; |
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69 | |||
70 | /** |
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71 | * @var JavascriptRenderer|null |
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72 | */ |
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73 | protected static $renderer; |
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74 | |||
75 | /** |
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76 | * @var bool |
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77 | */ |
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78 | protected static $showQueries = false; |
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79 | |||
80 | /** |
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81 | * @var HTTPRequest|null |
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82 | */ |
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83 | protected static $request; |
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84 | |||
85 | /** |
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86 | * @var array<string,array<float>> |
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87 | */ |
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88 | protected static $extraTimes = []; |
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89 | |||
90 | /** |
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91 | * Get the Debug Bar instance |
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92 | * @throws Exception |
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93 | * @global array $databaseConfig |
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94 | * @return BaseDebugBar|false |
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95 | */ |
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96 | public static function getDebugBar() |
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97 | { |
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98 | if (self::$debugbar !== null) { |
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99 | return self::$debugbar; |
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100 | } |
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101 | |||
102 | $reasons = self::disabledCriteria(); |
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103 | if (!empty($reasons)) { |
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104 | self::$debugbar = false; // no need to check again |
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105 | return false; |
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106 | } |
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107 | |||
108 | self::initDebugBar(); |
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109 | |||
110 | if (!self::$debugbar) { |
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111 | throw new Exception("Failed to initialize the DebugBar"); |
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112 | } |
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113 | |||
114 | return self::$debugbar; |
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115 | } |
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116 | |||
117 | /** |
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118 | * Init the debugbar instance |
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119 | * |
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120 | * @global array $databaseConfig |
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121 | * @return BaseDebugBar|null |
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122 | */ |
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123 | public static function initDebugBar() |
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124 | { |
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125 | // Prevent multiple inits |
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126 | if (self::$debugbar) { |
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127 | return self::$debugbar; |
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128 | } |
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129 | |||
130 | self::$debugbar = $debugbar = new BaseDebugBar(); |
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131 | |||
132 | if (isset($_REQUEST['showqueries']) && Director::isDev()) { |
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133 | self::setShowQueries(true); |
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134 | unset($_REQUEST['showqueries']); |
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135 | } |
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136 | |||
137 | $debugbar->addCollector(new PhpInfoCollector()); |
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138 | $debugbar->addCollector(new TimeDataCollector()); |
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139 | self::measureExtraTime(); |
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140 | $debugbar->addCollector(new MemoryCollector()); |
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141 | |||
142 | // Add config proxy replacing the core config manifest |
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143 | if (self::config()->config_collector) { |
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144 | /** @var ConfigLoader $configLoader */ |
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145 | $configLoader = Injector::inst()->get(Kernel::class)->getConfigLoader(); |
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146 | // There is no getManifests method on ConfigLoader |
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147 | $manifests = self::getProtectedValue($configLoader, 'manifests'); |
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148 | foreach ($manifests as $manifestIdx => $manifest) { |
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149 | if ($manifest instanceof CachedConfigCollection) { |
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150 | $manifest = new ConfigManifestProxy($manifest); |
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151 | $manifests[$manifestIdx] = $manifest; |
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152 | } |
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153 | if ($manifest instanceof DeltaConfigCollection) { |
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154 | $manifest = DeltaConfigManifestProxy::createFromOriginal($manifest); |
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155 | $manifests[$manifestIdx] = $manifest; |
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156 | } |
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157 | } |
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158 | // Don't push as it may change stack order |
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159 | self::setProtectedValue($configLoader, 'manifests', $manifests); |
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160 | } |
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161 | |||
162 | if (self::config()->db_collector) { |
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163 | $debugbar->addCollector(new DatabaseCollector); |
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164 | } |
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165 | |||
166 | // Add message collector last so other collectors can send messages to the console using it |
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167 | $debugbar->addCollector(new MessagesCollector()); |
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168 | |||
169 | // Aggregate monolog into messages |
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170 | $logger = Injector::inst()->get(LoggerInterface::class); |
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171 | if ($logger instanceof Logger) { |
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172 | $logCollector = new MonologCollector($logger); |
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173 | $logCollector->setFormatter(new LogFormatter); |
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174 | $debugbar['messages']->aggregate($logCollector); |
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175 | } |
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176 | |||
177 | // Add some SilverStripe specific infos |
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178 | $debugbar->addCollector(new SilverStripeCollector); |
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179 | |||
180 | if (self::config()->get('enable_storage')) { |
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181 | $debugBarTempFolder = TEMP_FOLDER . '/debugbar'; |
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182 | $debugbar->setStorage($fileStorage = new FileStorage($debugBarTempFolder)); |
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183 | if (isset($_GET['flush']) && is_dir($debugBarTempFolder)) { |
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184 | // FileStorage::clear() is implemented with \DirectoryIterator which throws UnexpectedValueException if dir can not be opened |
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185 | $fileStorage->clear(); |
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186 | } |
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187 | } |
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188 | |||
189 | if (self::config()->config_collector) { |
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190 | // Add the config collector |
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191 | $debugbar->addCollector(new ConfigCollector); |
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192 | } |
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193 | |||
194 | // Cache |
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195 | if (self::config()->cache_collector) { |
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196 | $debugbar->addCollector($cacheCollector = new CacheCollector); |
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197 | $cacheCollector->setShowGet(self::config()->cache_collector_show_get); |
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198 | } |
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199 | |||
200 | // Partial cache |
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201 | if (self::config()->partial_cache_collector) { |
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202 | $debugbar->addCollector(new PartialCacheCollector); |
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203 | } |
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204 | |||
205 | // Email logging |
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206 | if (self::config()->email_collector) { |
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207 | $mailer = Injector::inst()->get(MailerInterface::class); |
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208 | if ($mailer instanceof Mailer) { |
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209 | $debugbar->addCollector(new SymfonyMailerCollector); |
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210 | } |
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211 | } |
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212 | |||
213 | // Since we buffer everything, why not enable all dev options ? |
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214 | if (self::config()->get('auto_debug')) { |
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215 | $_REQUEST['debug'] = true; |
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216 | $_REQUEST['debug_request'] = true; |
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217 | } |
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218 | |||
219 | if (isset($_REQUEST['debug']) || isset($_REQUEST['debug_request'])) { |
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220 | self::$bufferingEnabled = true; |
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221 | ob_start(); // We buffer everything until we have called an action |
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222 | } |
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223 | |||
224 | return $debugbar; |
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225 | } |
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226 | |||
227 | /** |
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228 | * Access a protected property when the api does not allow access |
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229 | * |
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230 | * @param object $object |
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231 | * @param string $property |
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232 | * @return mixed |
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233 | */ |
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234 | protected static function getProtectedValue($object, $property) |
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235 | { |
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236 | $refObject = new ReflectionObject($object); |
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237 | $refProperty = $refObject->getProperty($property); |
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238 | $refProperty->setAccessible(true); |
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239 | return $refProperty->getValue($object); |
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240 | } |
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241 | |||
242 | /** |
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243 | * Set a protected property when the api does not allow access |
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244 | * |
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245 | * @param object $object |
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246 | * @param string $property |
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247 | * @param mixed $newValue |
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248 | * @return void |
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249 | */ |
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250 | protected static function setProtectedValue($object, $property, $newValue) |
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256 | } |
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257 | |||
258 | /** |
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259 | * Clear the current instance of DebugBar |
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260 | * |
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261 | * @return void |
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262 | */ |
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263 | public static function clearDebugBar() |
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264 | { |
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265 | self::$debugbar = null; |
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266 | self::$bufferingEnabled = false; |
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267 | self::$renderer = null; |
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268 | self::$showQueries = false; |
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269 | self::$request = null; |
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270 | self::$extraTimes = []; |
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271 | ProxyDBExtension::resetQueries(); |
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272 | } |
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273 | |||
274 | /** |
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275 | * @return boolean |
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276 | */ |
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277 | public static function getShowQueries() |
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280 | } |
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281 | |||
282 | /** |
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283 | * Override default showQueries mode |
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284 | * |
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285 | * @param boolean $showQueries |
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286 | * @return void |
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287 | */ |
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288 | public static function setShowQueries($showQueries) |
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291 | } |
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292 | |||
293 | /** |
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294 | * Helper to access this module resources |
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295 | * |
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296 | * @param string $path |
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297 | * @return ModuleResource |
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298 | */ |
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299 | public static function moduleResource($path) |
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302 | } |
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303 | |||
304 | /** |
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305 | * @param bool $flag |
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306 | * @return void |
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307 | */ |
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308 | public static function suppressJquery($flag = true) |
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309 | { |
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310 | $file = "debugbar/assets/vendor/jquery/dist/jquery.min.js"; |
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311 | if ($flag) { |
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312 | Requirements::block($file); |
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313 | } else { |
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314 | Requirements::unblock($file); |
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315 | } |
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316 | |||
317 | self::$suppressJquery = $flag; |
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318 | } |
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319 | |||
320 | /** |
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321 | * Include DebugBar assets using Requirements API |
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322 | * This needs to be called before the template is rendered otherwise the calls to the Requirements API are ignored |
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323 | * |
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324 | * @return bool |
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325 | */ |
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326 | public static function includeRequirements() |
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327 | { |
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328 | $debugbar = self::getDebugBar(); |
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329 | |||
330 | if (!$debugbar) { |
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331 | return false; |
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332 | } |
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333 | |||
334 | // Already called |
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335 | if (self::$renderer) { |
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336 | return false; |
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337 | } |
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338 | |||
339 | $renderer = $debugbar->getJavascriptRenderer(); |
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340 | |||
341 | // We don't need the true path since we are going to use Requirements API that appends the BASE_PATH |
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342 | $assetsResource = self::moduleResource('assets'); |
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343 | $renderer->setBasePath($assetsResource->getRelativePath()); |
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344 | $renderer->setBaseUrl(Director::makeRelative($assetsResource->getURL())); |
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345 | |||
346 | $includeJquery = self::config()->get('include_jquery'); |
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347 | // In CMS, jQuery is already included |
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348 | if (self::isAdminController()) { |
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349 | $includeJquery = false; |
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350 | } |
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351 | // If jQuery is already included, set to false |
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352 | $js = Requirements::backend()->getJavascript(); |
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353 | foreach ($js as $url => $args) { |
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354 | $name = basename($url); |
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355 | if ($name == 'jquery.js' || $name == 'jquery.min.js') { |
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356 | $includeJquery = false; |
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357 | break; |
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358 | } |
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359 | } |
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360 | |||
361 | if ($includeJquery) { |
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362 | $renderer->setEnableJqueryNoConflict(true); |
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363 | } else { |
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364 | $renderer->disableVendor('jquery'); |
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365 | $renderer->setEnableJqueryNoConflict(false); |
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366 | } |
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367 | |||
368 | if (DebugBar::config()->get('enable_storage')) { |
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369 | $renderer->setOpenHandlerUrl('__debugbar'); |
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370 | } |
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371 | |||
372 | foreach ($renderer->getAssets('css') as $cssFile) { |
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373 | Requirements::css(self::replaceAssetPath($cssFile)); |
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374 | } |
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375 | |||
376 | foreach ($renderer->getAssets('js') as $jsFile) { |
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377 | Requirements::javascript(self::replaceAssetPath($jsFile), [ |
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378 | 'type' => 'application/javascript' |
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379 | ]); |
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380 | } |
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381 | |||
382 | self::$renderer = $renderer; |
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383 | |||
384 | return true; |
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385 | } |
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386 | |||
387 | /** |
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388 | * @param string $file |
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389 | * @return string |
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390 | */ |
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391 | protected static function replaceAssetPath($file) |
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392 | { |
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393 | return Director::makeRelative(str_replace('\\', '/', ltrim($file, '/'))); |
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394 | } |
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395 | |||
396 | /** |
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397 | * Returns the script to display the DebugBar |
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398 | * |
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399 | * @return string |
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400 | */ |
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401 | public static function renderDebugBar() |
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402 | { |
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403 | if (!self::$renderer) { |
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404 | return ''; |
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405 | } |
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406 | |||
407 | // If we have any extra time pending, add it |
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408 | if (!empty(self::$extraTimes)) { |
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409 | foreach (self::$extraTimes as $extraTime => $extraTimeData) { |
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410 | self::trackTime($extraTime); |
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411 | } |
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412 | } |
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413 | |||
414 | // Requirements may have been cleared (CMS iframes...) or not set |
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415 | $js = Requirements::backend()->getJavascript(); |
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416 | $debugBarResource = self::moduleResource('assets/debugbar.js'); |
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417 | $path = $debugBarResource->getRelativePath(); |
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418 | |||
419 | // Url in getJavascript has a / slash, so fix if necessary |
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420 | $path = str_replace("\\", "/", $path); |
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421 | if (!array_key_exists($path, $js)) { |
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422 | return ''; |
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423 | } |
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424 | $initialize = true; |
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425 | if (Director::is_ajax()) { |
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426 | $initialize = false; |
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427 | } |
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428 | |||
429 | // Normally deprecation notices are output in a shutdown function, which runs well after debugbar has rendered. |
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430 | // This ensures the deprecation notices which have been noted up to this point are logged out and collected by |
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431 | // the MonologCollector. |
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432 | Deprecation::outputNotices(); |
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433 | |||
434 | $script = self::$renderer->render($initialize); |
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435 | |||
436 | return $script; |
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437 | } |
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438 | |||
439 | /** |
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440 | * Get all criteria why the DebugBar could be disabled |
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441 | * |
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442 | * @return array<string> |
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443 | */ |
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444 | public static function disabledCriteria() |
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445 | { |
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446 | $reasons = array(); |
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447 | if (!Director::isDev() && !self::allowAllEnvironments()) { |
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448 | $reasons[] = 'Not in dev mode'; |
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449 | } |
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450 | if (self::isDisabled()) { |
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451 | $reasons[] = 'Disabled by a constant or configuration'; |
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452 | } |
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453 | if (self::vendorNotInstalled()) { |
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454 | $reasons[] = 'DebugBar is not installed in vendors'; |
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455 | } |
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456 | if (self::notLocalIp()) { |
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457 | $reasons[] = 'Not a local ip'; |
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458 | } |
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459 | if (Director::is_cli()) { |
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460 | $reasons[] = 'In CLI mode'; |
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461 | } |
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462 | if (self::isDevUrl()) { |
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463 | $reasons[] = 'Dev tools'; |
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464 | } |
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465 | if (self::isAdminUrl() && !self::config()->get('enabled_in_admin')) { |
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466 | $reasons[] = 'In admin'; |
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467 | } |
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468 | if (isset($_GET['CMSPreview'])) { |
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469 | $reasons[] = 'CMS Preview'; |
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470 | } |
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471 | if (self::isExcludedRoute()) { |
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472 | $reasons[] = 'Route excluded'; |
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473 | } |
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474 | return $reasons; |
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475 | } |
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476 | |||
477 | /** |
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478 | * Determine why DebugBar is disabled |
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479 | * |
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480 | * Deprecated in favor of disabledCriteria |
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481 | * |
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482 | * @return string |
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483 | */ |
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484 | public static function whyDisabled() |
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485 | { |
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486 | $reasons = self::disabledCriteria(); |
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487 | if (!empty($reasons)) { |
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488 | return $reasons[0]; |
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489 | } |
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490 | return "I don't know why"; |
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491 | } |
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492 | |||
493 | /** |
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494 | * @return bool |
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495 | */ |
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496 | public static function vendorNotInstalled() |
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497 | { |
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498 | return !class_exists('DebugBar\\StandardDebugBar'); |
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499 | } |
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500 | |||
501 | /** |
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502 | * @return bool |
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503 | */ |
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504 | public static function notLocalIp() |
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505 | { |
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506 | if (!self::config()->get('check_local_ip')) { |
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507 | return false; |
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508 | } |
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509 | if (isset($_SERVER['REMOTE_ADDR'])) { |
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510 | return !in_array($_SERVER['REMOTE_ADDR'], array('127.0.0.1', '::1', '1')); |
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511 | } |
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512 | return false; |
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513 | } |
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514 | |||
515 | /** |
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516 | * @return bool |
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517 | */ |
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518 | public static function allowAllEnvironments() |
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519 | { |
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520 | // You will also need to add a debugbar-live config |
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521 | if (Environment::getEnv('DEBUGBAR_ALLOW_ALL_ENV')) { |
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522 | return true; |
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523 | } |
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524 | return false; |
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525 | } |
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526 | |||
527 | /** |
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528 | * @return bool |
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529 | */ |
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530 | public static function isDisabled() |
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531 | { |
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532 | if (Environment::getEnv('DEBUGBAR_DISABLE') || static::config()->get('disabled')) { |
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533 | return true; |
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534 | } |
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535 | return false; |
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536 | } |
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537 | |||
538 | /** |
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539 | * @return bool |
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540 | */ |
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541 | public static function isDevUrl() |
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542 | { |
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543 | return strpos(self::getRequestUrl(), '/dev/') === 0; |
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544 | } |
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545 | |||
546 | /** |
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547 | * @return bool |
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548 | */ |
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549 | public static function isAdminUrl() |
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550 | { |
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551 | $baseUrl = rtrim(BASE_URL, '/'); |
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552 | if (class_exists(AdminRootController::class)) { |
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553 | $adminUrl = AdminRootController::config()->get('url_base'); |
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554 | } else { |
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555 | $adminUrl = 'admin'; |
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556 | } |
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557 | |||
558 | return strpos(self::getRequestUrl(), $baseUrl . '/' . $adminUrl . '/') === 0; |
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559 | } |
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560 | |||
561 | /** |
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562 | * @return bool |
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563 | */ |
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564 | public static function isExcludedRoute() |
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565 | { |
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566 | $isExcluded = false; |
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567 | $excludedRoutes = self::config()->get('excluded_routes'); |
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568 | if (!empty($excludedRoutes)) { |
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569 | $url = self::getRequestUrl(); |
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570 | foreach ($excludedRoutes as $excludedRoute) { |
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571 | if (strpos($url, $excludedRoute) === 0) { |
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572 | $isExcluded = true; |
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573 | break; |
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574 | } |
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575 | } |
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576 | } |
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577 | return $isExcluded; |
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578 | } |
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579 | |||
580 | /** |
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581 | * @return bool |
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582 | */ |
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583 | public static function isAdminController() |
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589 | } |
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590 | |||
591 | /** |
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592 | * Avoid triggering data collection for open handler |
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593 | * |
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594 | * @return boolean |
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595 | */ |
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596 | public static function isDebugBarRequest() |
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597 | { |
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598 | if ($url = self::getRequestUrl()) { |
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599 | return strpos($url, '/__debugbar') === 0; |
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600 | } |
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601 | return true; |
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602 | } |
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603 | |||
604 | /** |
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605 | * Get request url |
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606 | * |
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607 | * @return string |
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608 | */ |
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609 | public static function getRequestUrl() |
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610 | { |
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611 | if (isset($_REQUEST['url'])) { |
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612 | return $_REQUEST['url']; |
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613 | } |
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614 | if (isset($_SERVER['REQUEST_URI'])) { |
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615 | return $_SERVER['REQUEST_URI']; |
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616 | } |
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617 | return ''; |
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618 | } |
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619 | |||
620 | /** |
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621 | * Helper to make code cleaner |
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622 | * |
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623 | * @param callable $callback |
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624 | * @return void |
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625 | */ |
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626 | public static function withDebugBar($callback) |
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627 | { |
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628 | if (self::getDebugBar() && !self::isDebugBarRequest()) { |
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629 | $callback(self::getDebugBar()); |
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630 | } |
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631 | } |
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632 | |||
633 | /** |
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634 | * Set the current request. Is provided by the DebugBarMiddleware. |
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635 | * |
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636 | * @param HTTPRequest $request |
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637 | * @return void |
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638 | */ |
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639 | public static function setRequest(HTTPRequest $request) |
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640 | { |
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641 | self::$request = $request; |
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642 | } |
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643 | |||
644 | /** |
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645 | * Get the current request |
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646 | * |
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647 | * @return HTTPRequest|null |
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648 | */ |
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649 | public static function getRequest() |
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650 | { |
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651 | if (self::$request) { |
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652 | return self::$request; |
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653 | } |
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654 | // Fall back to trying from the global state |
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655 | if (Controller::has_curr()) { |
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656 | return Controller::curr()->getRequest(); |
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657 | } |
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658 | return null; |
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659 | } |
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660 | |||
661 | /** |
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662 | * @return TimeDataCollector|false |
||
663 | */ |
||
664 | public static function getTimeCollector() |
||
665 | { |
||
666 | $debugbar = self::getDebugBar(); |
||
667 | if (!$debugbar) { |
||
668 | return false; |
||
669 | } |
||
670 | //@phpstan-ignore-next-line |
||
671 | return $debugbar->getCollector('time'); |
||
672 | } |
||
673 | |||
674 | /** |
||
675 | * @return MessagesCollector|false |
||
676 | */ |
||
677 | public static function getMessageCollector() |
||
678 | { |
||
679 | $debugbar = self::getDebugBar(); |
||
680 | if (!$debugbar) { |
||
681 | return false; |
||
682 | } |
||
683 | //@phpstan-ignore-next-line |
||
684 | return $debugbar->getCollector('messages'); |
||
685 | } |
||
686 | |||
687 | /** |
||
688 | * Start/stop time tracking (also before init) |
||
689 | * |
||
690 | * @param string $label |
||
691 | * @return void |
||
692 | */ |
||
693 | public static function trackTime($label) |
||
694 | { |
||
695 | if (!isset(self::$extraTimes[$label])) { |
||
696 | self::$extraTimes[$label] = [microtime(true)]; |
||
697 | } else { |
||
698 | self::$extraTimes[$label][] = microtime(true); |
||
699 | |||
700 | // If we have the debugbar instance, add the measure |
||
701 | if (self::$debugbar) { |
||
702 | $timeData = self::getTimeCollector(); |
||
703 | if (!$timeData) { |
||
704 | return; |
||
705 | } |
||
706 | $values = self::$extraTimes[$label]; |
||
707 | $timeData->addMeasure( |
||
708 | $label, |
||
709 | $values[0], |
||
710 | $values[1] |
||
711 | ); |
||
712 | unset(self::$extraTimes[$label]); |
||
713 | } |
||
714 | } |
||
715 | } |
||
716 | |||
717 | /** |
||
718 | * Close any open extra time record |
||
719 | * |
||
720 | * @return void |
||
721 | */ |
||
722 | public static function closeExtraTime() |
||
723 | { |
||
724 | foreach (self::$extraTimes as $label => $values) { |
||
725 | if (!isset($values[1])) { |
||
726 | self::$extraTimes[$label][] = microtime(true); |
||
727 | } |
||
728 | } |
||
729 | } |
||
730 | |||
731 | /** |
||
732 | * Add extra time to time collector |
||
733 | * @return void |
||
734 | */ |
||
735 | public static function measureExtraTime() |
||
751 | } |
||
752 | } |
||
753 | } |
||
754 |