Complex classes like Setup 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. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
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 Setup, and based on these observations, apply Extract Interface, too.
1 | <?php |
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49 | class Setup { |
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50 | /** @var \OCP\IConfig */ |
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51 | protected $config; |
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52 | /** @var IniGetWrapper */ |
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53 | protected $iniWrapper; |
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54 | /** @var IL10N */ |
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55 | protected $l10n; |
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56 | /** @var \OC_Defaults */ |
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57 | protected $defaults; |
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58 | /** @var ILogger */ |
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59 | protected $logger; |
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60 | /** @var ISecureRandom */ |
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61 | protected $random; |
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62 | |||
63 | /** |
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64 | * @param IConfig $config |
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65 | * @param IniGetWrapper $iniWrapper |
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66 | * @param \OC_Defaults $defaults |
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67 | */ |
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68 | function __construct(IConfig $config, |
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82 | |||
83 | static $dbSetupClasses = array( |
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84 | 'mysql' => '\OC\Setup\MySQL', |
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85 | 'pgsql' => '\OC\Setup\PostgreSQL', |
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86 | 'oci' => '\OC\Setup\OCI', |
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87 | 'sqlite' => '\OC\Setup\Sqlite', |
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88 | 'sqlite3' => '\OC\Setup\Sqlite', |
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89 | ); |
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90 | |||
91 | /** |
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92 | * Wrapper around the "class_exists" PHP function to be able to mock it |
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93 | * @param string $name |
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94 | * @return bool |
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95 | */ |
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96 | protected function class_exists($name) { |
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99 | |||
100 | /** |
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101 | * Wrapper around the "is_callable" PHP function to be able to mock it |
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102 | * @param string $name |
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103 | * @return bool |
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104 | */ |
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105 | protected function is_callable($name) { |
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108 | |||
109 | /** |
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110 | * Wrapper around \PDO::getAvailableDrivers |
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111 | * |
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112 | * @return array |
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113 | */ |
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114 | protected function getAvailableDbDriversForPdo() { |
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117 | |||
118 | /** |
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119 | * Get the available and supported databases of this instance |
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120 | * |
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121 | * @param bool $allowAllDatabases |
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122 | * @return array |
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123 | * @throws Exception |
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124 | */ |
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125 | public function getSupportedDatabases($allowAllDatabases = false) { |
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126 | $availableDatabases = array( |
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127 | 'sqlite' => array( |
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128 | 'type' => 'class', |
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129 | 'call' => 'SQLite3', |
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130 | 'name' => 'SQLite' |
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131 | ), |
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132 | 'mysql' => array( |
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133 | 'type' => 'pdo', |
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134 | 'call' => 'mysql', |
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135 | 'name' => 'MySQL/MariaDB' |
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136 | ), |
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137 | 'pgsql' => array( |
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138 | 'type' => 'pdo', |
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139 | 'call' => 'pgsql', |
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140 | 'name' => 'PostgreSQL' |
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141 | ), |
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142 | 'oci' => array( |
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143 | 'type' => 'function', |
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144 | 'call' => 'oci_connect', |
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145 | 'name' => 'Oracle' |
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146 | ) |
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147 | ); |
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148 | if ($allowAllDatabases) { |
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149 | $configuredDatabases = array_keys($availableDatabases); |
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150 | } else { |
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151 | $configuredDatabases = $this->config->getSystemValue('supportedDatabases', |
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152 | array('sqlite', 'mysql', 'pgsql')); |
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153 | } |
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154 | if(!is_array($configuredDatabases)) { |
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155 | throw new Exception('Supported databases are not properly configured.'); |
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156 | } |
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157 | |||
158 | $supportedDatabases = array(); |
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159 | |||
160 | foreach($configuredDatabases as $database) { |
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161 | if(array_key_exists($database, $availableDatabases)) { |
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162 | $working = false; |
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163 | $type = $availableDatabases[$database]['type']; |
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164 | $call = $availableDatabases[$database]['call']; |
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165 | |||
166 | if($type === 'class') { |
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167 | $working = $this->class_exists($call); |
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168 | } elseif ($type === 'function') { |
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169 | $working = $this->is_callable($call); |
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170 | } elseif($type === 'pdo') { |
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171 | $working = in_array($call, $this->getAvailableDbDriversForPdo(), TRUE); |
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172 | } |
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173 | if($working) { |
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174 | $supportedDatabases[$database] = $availableDatabases[$database]['name']; |
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175 | } |
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176 | } |
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177 | } |
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178 | |||
179 | return $supportedDatabases; |
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180 | } |
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181 | |||
182 | /** |
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183 | * Gathers system information like database type and does |
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184 | * a few system checks. |
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185 | * |
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186 | * @return array of system info, including an "errors" value |
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187 | * in case of errors/warnings |
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188 | */ |
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189 | public function getSystemInfo($allowAllDatabases = false) { |
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252 | |||
253 | /** |
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254 | * @param $options |
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255 | * @return array |
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256 | */ |
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257 | public function install($options) { |
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258 | $l = $this->l10n; |
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259 | |||
260 | $error = array(); |
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261 | $dbType = $options['dbtype']; |
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262 | |||
263 | if(empty($options['adminlogin'])) { |
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264 | $error[] = $l->t('Set an admin username.'); |
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265 | } |
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266 | if(empty($options['adminpass'])) { |
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267 | $error[] = $l->t('Set an admin password.'); |
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268 | } |
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269 | if(empty($options['directory'])) { |
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270 | $options['directory'] = \OC::$SERVERROOT."/data"; |
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271 | } |
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272 | |||
273 | if (!isset(self::$dbSetupClasses[$dbType])) { |
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274 | $dbType = 'sqlite'; |
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275 | } |
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276 | |||
277 | $username = htmlspecialchars_decode($options['adminlogin']); |
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278 | $password = htmlspecialchars_decode($options['adminpass']); |
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279 | $dataDir = htmlspecialchars_decode($options['directory']); |
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280 | |||
281 | $class = self::$dbSetupClasses[$dbType]; |
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282 | /** @var \OC\Setup\AbstractDatabase $dbSetup */ |
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283 | $dbSetup = new $class($l, 'db_structure.xml', $this->config, |
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284 | $this->logger, $this->random); |
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285 | $error = array_merge($error, $dbSetup->validate($options)); |
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286 | |||
287 | // validate the data directory |
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288 | if ( |
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289 | (!is_dir($dataDir) and !mkdir($dataDir)) or |
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290 | !is_writable($dataDir) |
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291 | ) { |
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292 | $error[] = $l->t("Can't create or write into the data directory %s", array($dataDir)); |
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293 | } |
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294 | |||
295 | if(count($error) != 0) { |
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296 | return $error; |
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297 | } |
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298 | |||
299 | $request = \OC::$server->getRequest(); |
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300 | |||
301 | //no errors, good |
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302 | if(isset($options['trusted_domains']) |
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303 | && is_array($options['trusted_domains'])) { |
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304 | $trustedDomains = $options['trusted_domains']; |
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305 | } else { |
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306 | $trustedDomains = [$request->getInsecureServerHost()]; |
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307 | } |
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308 | |||
309 | //use sqlite3 when available, otherwise sqlite2 will be used. |
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310 | if($dbType=='sqlite' and class_exists('SQLite3')) { |
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311 | $dbType='sqlite3'; |
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312 | } |
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313 | |||
314 | //generate a random salt that is used to salt the local user passwords |
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315 | $salt = $this->random->generate(30); |
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316 | // generate a secret |
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317 | $secret = $this->random->generate(48); |
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318 | |||
319 | //write the config file |
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320 | $this->config->setSystemValues([ |
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321 | 'passwordsalt' => $salt, |
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322 | 'secret' => $secret, |
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323 | 'trusted_domains' => $trustedDomains, |
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324 | 'datadirectory' => $dataDir, |
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325 | 'overwrite.cli.url' => $request->getServerProtocol() . '://' . $request->getInsecureServerHost() . \OC::$WEBROOT, |
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326 | 'dbtype' => $dbType, |
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327 | 'version' => implode('.', \OCP\Util::getVersion()), |
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328 | ]); |
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329 | |||
330 | try { |
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331 | $dbSetup->initialize($options); |
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332 | $dbSetup->setupDatabase($username); |
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333 | } catch (\OC\DatabaseSetupException $e) { |
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334 | $error[] = array( |
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335 | 'error' => $e->getMessage(), |
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336 | 'hint' => $e->getHint() |
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337 | ); |
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338 | return($error); |
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339 | } catch (Exception $e) { |
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340 | $error[] = array( |
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341 | 'error' => 'Error while trying to create admin user: ' . $e->getMessage(), |
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342 | 'hint' => '' |
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343 | ); |
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344 | return($error); |
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345 | } |
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346 | |||
347 | //create the user and group |
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348 | $user = null; |
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349 | try { |
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350 | $user = \OC::$server->getUserManager()->createUser($username, $password); |
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351 | if (!$user) { |
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352 | $error[] = "User <$username> could not be created."; |
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353 | } |
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354 | } catch(Exception $exception) { |
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355 | $error[] = $exception->getMessage(); |
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356 | } |
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357 | |||
358 | if(count($error) == 0) { |
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359 | $config = \OC::$server->getConfig(); |
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360 | $config->setAppValue('core', 'installedat', microtime(true)); |
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361 | $config->setAppValue('core', 'lastupdatedat', microtime(true)); |
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362 | $config->setAppValue('core', 'vendor', $this->getVendor()); |
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363 | |||
364 | $group =\OC::$server->getGroupManager()->createGroup('admin'); |
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365 | $group->addUser($user); |
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366 | |||
367 | // Create a session token for the newly created user |
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368 | // The token provider requires a working db, so it's not injected on setup |
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369 | /* @var $userSession User\Session */ |
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370 | $userSession = \OC::$server->getUserSession(); |
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371 | $defaultTokenProvider = \OC::$server->query('OC\Authentication\Token\DefaultTokenProvider'); |
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372 | $userSession->setTokenProvider($defaultTokenProvider); |
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373 | $userSession->login($username, $password); |
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374 | $userSession->createSessionToken($request, $userSession->getUser()->getUID(), $username, $password); |
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375 | |||
376 | //guess what this does |
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377 | Installer::installShippedApps(); |
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378 | |||
379 | // create empty file in data dir, so we can later find |
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380 | // out that this is indeed an ownCloud data directory |
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381 | file_put_contents($config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').'/.ocdata', ''); |
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382 | |||
383 | // Update .htaccess files |
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384 | Setup::updateHtaccess(); |
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385 | Setup::protectDataDirectory(); |
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386 | |||
387 | //try to write logtimezone |
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388 | if (date_default_timezone_get()) { |
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389 | $config->setSystemValue('logtimezone', date_default_timezone_get()); |
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390 | } |
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391 | |||
392 | self::installBackgroundJobs(); |
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393 | |||
394 | //and we are done |
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395 | $config->setSystemValue('installed', true); |
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396 | } |
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397 | |||
398 | return $error; |
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399 | } |
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400 | |||
401 | public static function installBackgroundJobs() { |
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404 | |||
405 | /** |
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406 | * @return string Absolute path to htaccess |
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407 | */ |
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408 | private function pathToHtaccess() { |
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411 | |||
412 | /** |
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413 | * Append the correct ErrorDocument path for Apache hosts |
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414 | */ |
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415 | public static function updateHtaccess() { |
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480 | |||
481 | public static function protectDataDirectory() { |
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501 | |||
502 | /** |
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503 | * Return vendor from which this version was published |
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504 | * |
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505 | * @return string Get the vendor |
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506 | * |
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507 | * Copy of \OC\Updater::getVendor() |
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508 | */ |
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509 | private function getVendor() { |
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515 | } |
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516 |
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.