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/wp-includes/Requests/src/ -> Session.php (source)

   1  <?php
   2  /**
   3   * Session handler for persistent requests and default parameters
   4   *
   5   * @package Requests\SessionHandler
   6   */
   7  
   8  namespace WpOrg\Requests;
   9  
  10  use WpOrg\Requests\Cookie\Jar;
  11  use WpOrg\Requests\Exception\InvalidArgument;
  12  use WpOrg\Requests\Iri;
  13  use WpOrg\Requests\Requests;
  14  use WpOrg\Requests\Utility\InputValidator;
  15  
  16  /**
  17   * Session handler for persistent requests and default parameters
  18   *
  19   * Allows various options to be set as default values, and merges both the
  20   * options and URL properties together. A base URL can be set for all requests,
  21   * with all subrequests resolved from this. Base options can be set (including
  22   * a shared cookie jar), then overridden for individual requests.
  23   *
  24   * @package Requests\SessionHandler
  25   */
  26  class Session {
  27      /**
  28       * Base URL for requests
  29       *
  30       * URLs will be made absolute using this as the base
  31       *
  32       * @var string|null
  33       */
  34      public $url = null;
  35  
  36      /**
  37       * Base headers for requests
  38       *
  39       * @var array
  40       */
  41      public $headers = [];
  42  
  43      /**
  44       * Base data for requests
  45       *
  46       * If both the base data and the per-request data are arrays, the data will
  47       * be merged before sending the request.
  48       *
  49       * @var array
  50       */
  51      public $data = [];
  52  
  53      /**
  54       * Base options for requests
  55       *
  56       * The base options are merged with the per-request data for each request.
  57       * The only default option is a shared cookie jar between requests.
  58       *
  59       * Values here can also be set directly via properties on the Session
  60       * object, e.g. `$session->useragent = 'X';`
  61       *
  62       * @var array
  63       */
  64      public $options = [];
  65  
  66      /**
  67       * Create a new session
  68       *
  69       * @param string|Stringable|null $url Base URL for requests
  70       * @param array $headers Default headers for requests
  71       * @param array $data Default data for requests
  72       * @param array $options Default options for requests
  73       *
  74       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $url argument is not a string, Stringable or null.
  75       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $headers argument is not an array.
  76       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $data argument is not an array.
  77       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
  78       */
  79  	public function __construct($url = null, $headers = [], $data = [], $options = []) {
  80          if ($url !== null && InputValidator::is_string_or_stringable($url) === false) {
  81              throw InvalidArgument::create(1, '$url', 'string|Stringable|null', gettype($url));
  82          }
  83  
  84          if (is_array($headers) === false) {
  85              throw InvalidArgument::create(2, '$headers', 'array', gettype($headers));
  86          }
  87  
  88          if (is_array($data) === false) {
  89              throw InvalidArgument::create(3, '$data', 'array', gettype($data));
  90          }
  91  
  92          if (is_array($options) === false) {
  93              throw InvalidArgument::create(4, '$options', 'array', gettype($options));
  94          }
  95  
  96          $this->url     = $url;
  97          $this->headers = $headers;
  98          $this->data    = $data;
  99          $this->options = $options;
 100  
 101          if (empty($this->options['cookies'])) {
 102              $this->options['cookies'] = new Jar();
 103          }
 104      }
 105  
 106      /**
 107       * Get a property's value
 108       *
 109       * @param string $name Property name.
 110       * @return mixed|null Property value, null if none found
 111       */
 112  	public function __get($name) {
 113          if (isset($this->options[$name])) {
 114              return $this->options[$name];
 115          }
 116  
 117          return null;
 118      }
 119  
 120      /**
 121       * Set a property's value
 122       *
 123       * @param string $name Property name.
 124       * @param mixed $value Property value
 125       */
 126  	public function __set($name, $value) {
 127          $this->options[$name] = $value;
 128      }
 129  
 130      /**
 131       * Remove a property's value
 132       *
 133       * @param string $name Property name.
 134       */
 135  	public function __isset($name) {
 136          return isset($this->options[$name]);
 137      }
 138  
 139      /**
 140       * Remove a property's value
 141       *
 142       * @param string $name Property name.
 143       */
 144  	public function __unset($name) {
 145          unset($this->options[$name]);
 146      }
 147  
 148      /**#@+
 149       * @see \WpOrg\Requests\Session::request()
 150       * @param string $url
 151       * @param array $headers
 152       * @param array $options
 153       * @return \WpOrg\Requests\Response
 154       */
 155      /**
 156       * Send a GET request
 157       */
 158  	public function get($url, $headers = [], $options = []) {
 159          return $this->request($url, $headers, null, Requests::GET, $options);
 160      }
 161  
 162      /**
 163       * Send a HEAD request
 164       */
 165  	public function head($url, $headers = [], $options = []) {
 166          return $this->request($url, $headers, null, Requests::HEAD, $options);
 167      }
 168  
 169      /**
 170       * Send a DELETE request
 171       */
 172  	public function delete($url, $headers = [], $options = []) {
 173          return $this->request($url, $headers, null, Requests::DELETE, $options);
 174      }
 175      /**#@-*/
 176  
 177      /**#@+
 178       * @see \WpOrg\Requests\Session::request()
 179       * @param string $url
 180       * @param array $headers
 181       * @param array $data
 182       * @param array $options
 183       * @return \WpOrg\Requests\Response
 184       */
 185      /**
 186       * Send a POST request
 187       */
 188  	public function post($url, $headers = [], $data = [], $options = []) {
 189          return $this->request($url, $headers, $data, Requests::POST, $options);
 190      }
 191  
 192      /**
 193       * Send a PUT request
 194       */
 195  	public function put($url, $headers = [], $data = [], $options = []) {
 196          return $this->request($url, $headers, $data, Requests::PUT, $options);
 197      }
 198  
 199      /**
 200       * Send a PATCH request
 201       *
 202       * Note: Unlike {@see \WpOrg\Requests\Session::post()} and {@see \WpOrg\Requests\Session::put()},
 203       * `$headers` is required, as the specification recommends that should send an ETag
 204       *
 205       * @link https://tools.ietf.org/html/rfc5789
 206       */
 207  	public function patch($url, $headers, $data = [], $options = []) {
 208          return $this->request($url, $headers, $data, Requests::PATCH, $options);
 209      }
 210      /**#@-*/
 211  
 212      /**
 213       * Main interface for HTTP requests
 214       *
 215       * This method initiates a request and sends it via a transport before
 216       * parsing.
 217       *
 218       * @see \WpOrg\Requests\Requests::request()
 219       *
 220       * @param string $url URL to request
 221       * @param array $headers Extra headers to send with the request
 222       * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
 223       * @param string $type HTTP request type (use \WpOrg\Requests\Requests constants)
 224       * @param array $options Options for the request (see {@see \WpOrg\Requests\Requests::request()})
 225       * @return \WpOrg\Requests\Response
 226       *
 227       * @throws \WpOrg\Requests\Exception On invalid URLs (`nonhttp`)
 228       */
 229  	public function request($url, $headers = [], $data = [], $type = Requests::GET, $options = []) {
 230          $request = $this->merge_request(compact('url', 'headers', 'data', 'options'));
 231  
 232          return Requests::request($request['url'], $request['headers'], $request['data'], $type, $request['options']);
 233      }
 234  
 235      /**
 236       * Send multiple HTTP requests simultaneously
 237       *
 238       * @see \WpOrg\Requests\Requests::request_multiple()
 239       *
 240       * @param array $requests Requests data (see {@see \WpOrg\Requests\Requests::request_multiple()})
 241       * @param array $options Global and default options (see {@see \WpOrg\Requests\Requests::request()})
 242       * @return array Responses (either \WpOrg\Requests\Response or a \WpOrg\Requests\Exception object)
 243       *
 244       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $requests argument is not an array or iterable object with array access.
 245       * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
 246       */
 247  	public function request_multiple($requests, $options = []) {
 248          if (InputValidator::has_array_access($requests) === false || InputValidator::is_iterable($requests) === false) {
 249              throw InvalidArgument::create(1, '$requests', 'array|ArrayAccess&Traversable', gettype($requests));
 250          }
 251  
 252          if (is_array($options) === false) {
 253              throw InvalidArgument::create(2, '$options', 'array', gettype($options));
 254          }
 255  
 256          foreach ($requests as $key => $request) {
 257              $requests[$key] = $this->merge_request($request, false);
 258          }
 259  
 260          $options = array_merge($this->options, $options);
 261  
 262          // Disallow forcing the type, as that's a per request setting
 263          unset($options['type']);
 264  
 265          return Requests::request_multiple($requests, $options);
 266      }
 267  
 268  	public function __wakeup() {
 269          throw new \LogicException( __CLASS__ . ' should never be unserialized' );
 270      }
 271  
 272      /**
 273       * Merge a request's data with the default data
 274       *
 275       * @param array $request Request data (same form as {@see \WpOrg\Requests\Session::request_multiple()})
 276       * @param boolean $merge_options Should we merge options as well?
 277       * @return array Request data
 278       */
 279  	protected function merge_request($request, $merge_options = true) {
 280          if ($this->url !== null) {
 281              $request['url'] = Iri::absolutize($this->url, $request['url']);
 282              $request['url'] = $request['url']->uri;
 283          }
 284  
 285          if (empty($request['headers'])) {
 286              $request['headers'] = [];
 287          }
 288  
 289          $request['headers'] = array_merge($this->headers, $request['headers']);
 290  
 291          if (empty($request['data'])) {
 292              if (is_array($this->data)) {
 293                  $request['data'] = $this->data;
 294              }
 295          } elseif (is_array($request['data']) && is_array($this->data)) {
 296              $request['data'] = array_merge($this->data, $request['data']);
 297          }
 298  
 299          if ($merge_options === true) {
 300              $request['options'] = array_merge($this->options, $request['options']);
 301  
 302              // Disallow forcing the type, as that's a per request setting
 303              unset($request['options']['type']);
 304          }
 305  
 306          return $request;
 307      }
 308  }


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