MW-Peachy /
Peachy
Complex classes like HTTP 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 HTTP, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 29 | class HTTP { |
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| 30 | |||
| 31 | /** |
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| 32 | * Curl object |
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| 33 | * |
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| 34 | * @var resource a cURL handle |
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| 35 | * @access private |
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| 36 | */ |
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| 37 | private $curl_instance; |
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| 38 | |||
| 39 | /** |
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| 40 | * Hash to use for cookies |
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| 41 | * |
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| 42 | * @var string |
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| 43 | * @access private |
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| 44 | */ |
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| 45 | private $cookie_hash; |
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| 46 | |||
| 47 | /** |
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| 48 | * Whether or not to enable GET:, POST:, and DLOAD: messages being sent to the terminal. |
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| 49 | * |
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| 50 | * @var bool |
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| 51 | * @access private |
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| 52 | */ |
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| 53 | private $echo; |
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| 54 | |||
| 55 | /** |
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| 56 | * Useragent |
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| 57 | * |
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| 58 | * @var mixed |
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| 59 | * @access private |
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| 60 | */ |
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| 61 | private $user_agent; |
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| 62 | |||
| 63 | /** |
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| 64 | * Temporary file where cookies are stored |
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| 65 | * |
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| 66 | * @var mixed |
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| 67 | * @access private |
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| 68 | */ |
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| 69 | private $cookie_jar; |
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| 70 | |||
| 71 | /** |
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| 72 | * @var string|null |
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| 73 | */ |
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| 74 | private $lastHeader = null; |
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| 75 | |||
| 76 | /** |
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| 77 | * Construction method for the HTTP class |
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| 78 | * |
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| 79 | * @access public |
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| 80 | * |
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| 81 | * @param bool $echo Whether or not to enable GET:, POST:, and DLOAD: messages being sent to the terminal. Default false; |
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| 82 | * |
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| 83 | * @note please consider using HTTP::getDefaultInstance() instead |
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| 84 | * |
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| 85 | * @throws RuntimeException |
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| 86 | * @throws DependencyError |
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| 87 | * |
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| 88 | * @return HTTP |
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| 89 | */ |
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| 90 | public function __construct($echo = false) |
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| 136 | |||
| 137 | /** |
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| 138 | * @param array $extraHeaders |
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| 139 | */ |
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| 140 | private function setCurlHeaders( $extraHeaders = array() ) { |
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| 143 | |||
| 144 | /** |
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| 145 | * @param boolean $verifyssl |
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| 146 | */ |
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| 147 | private function setVerifySSL( $verifyssl = null ) { |
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| 160 | |||
| 161 | /** |
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| 162 | * @param string $cookie_file |
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| 163 | */ |
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| 164 | public function setCookieJar($cookie_file) |
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| 173 | |||
| 174 | /** |
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| 175 | * @param null $user_agent |
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| 176 | * @throws BadEntryError |
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| 177 | * @throws HookError |
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| 178 | */ |
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| 179 | public function setUserAgent($user_agent = null) |
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| 187 | |||
| 188 | /** |
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| 189 | * @return string|bool Data. False on failure. |
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| 190 | * @throws CURLError |
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| 191 | */ |
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| 192 | private function doCurlExecWithRetrys() { |
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| 218 | |||
| 219 | /** |
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| 220 | * Get an url with HTTP GET |
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| 221 | * |
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| 222 | * @access public |
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| 223 | * |
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| 224 | * @param string $url URL to get |
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| 225 | * @param array|null $data Array of data to pass. Gets transformed into the URL inside the function. Default null. |
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| 226 | * @param array $headers Array of headers to pass to curl |
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| 227 | * @param bool $verifyssl override for the global verifyssl value |
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| 228 | * |
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| 229 | * @return bool|string Result |
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| 230 | */ |
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| 231 | public function get( $url, $data = null, $headers = array(), $verifyssl = null ) { |
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| 263 | |||
| 264 | /** |
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| 265 | * Returns the HTTP code of the last request |
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| 266 | * |
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| 267 | * @access public |
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| 268 | * @return int HTTP code |
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| 269 | */ |
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| 270 | public function get_HTTP_code() |
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| 275 | |||
| 276 | /** |
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| 277 | * Sends data via HTTP POST |
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| 278 | * |
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| 279 | * @access public |
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| 280 | * |
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| 281 | * @param string $url URL to send |
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| 282 | * @param array $data Array of data to pass. |
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| 283 | * @param array $headers Array of headers to pass to curl |
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| 284 | * |
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| 285 | * @param bool|null $verifyssl override for global verifyssl value |
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| 286 | * |
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| 287 | * @return bool|string Result |
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| 288 | */ |
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| 289 | public function post($url, $data, $headers = array(), $verifyssl = null) |
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| 318 | |||
| 319 | /** |
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| 320 | * Downloads an URL to the local disk |
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| 321 | * |
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| 322 | * @access public |
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| 323 | * |
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| 324 | * @param string $url URL to get |
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| 325 | * @param string $local Local filename to download to |
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| 326 | * @param array $headers Array of headers to pass to curl |
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| 327 | * @param bool|null $verifyssl |
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| 328 | * |
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| 329 | * @return bool |
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| 330 | */ |
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| 331 | function download( $url, $local, $headers = array(), $verifyssl = null ) { |
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| 358 | |||
| 359 | /** |
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| 360 | * Gets the Header for the last request made |
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| 361 | * @return null|string |
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| 362 | */ |
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| 363 | public function getLastHeader() { |
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| 366 | |||
| 367 | /** |
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| 368 | * Destructor, deletes cookies and closes cURL class |
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| 369 | * |
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| 370 | * @access public |
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| 371 | * @return void |
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| 372 | */ |
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| 373 | public function __destruct() |
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| 381 | |||
| 382 | /** |
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| 383 | * The below allows us to only have one instance of this class |
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| 384 | */ |
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| 385 | private static $defaultInstance = null; |
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| 386 | private static $defaultInstanceWithEcho = null; |
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| 387 | |||
| 388 | /** |
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| 389 | * @param bool|false $echo |
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| 390 | * @return HTTP|null |
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| 391 | */ |
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| 392 | public static function getDefaultInstance($echo = false) |
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| 406 | |||
| 407 | } |
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.