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<?php |
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namespace seregazhuk\PinterestBot\Api; |
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use seregazhuk\PinterestBot\Helpers\Cookies; |
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use seregazhuk\PinterestBot\Helpers\UrlBuilder; |
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use seregazhuk\PinterestBot\Api\Contracts\HttpClient; |
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/** |
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* Class CurlAdapter. |
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*/ |
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class CurlHttpClient implements HttpClient |
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{ |
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/** |
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* Custom CURL options for requests. |
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* |
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* @var array |
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*/ |
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protected $options = [ |
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CURLOPT_USERAGENT => 'Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0' |
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]; |
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/** |
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* @var array |
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*/ |
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protected $headers = []; |
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/** |
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* Contains the curl instance. |
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* |
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* @var resource |
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*/ |
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protected $curl; |
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/** |
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* @var string |
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*/ |
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protected $cookieJar; |
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/** |
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* Cookies container |
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* |
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* @var Cookies |
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*/ |
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protected $cookies; |
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public function __construct(Cookies $cookies) |
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{ |
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$this->cookies = $cookies; |
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} |
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/** |
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* Load cookies for specified username |
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* |
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* @param string $username |
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* @return HttpClient |
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*/ |
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public function loadCookies($username = '') |
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{ |
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$this->initCookieJar($username); |
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$this->cookies->fill($this->cookieJar); |
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return $this; |
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} |
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/** |
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* Executes curl request. |
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* |
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* @param string $url |
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* @param string $postString |
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* @param array $headers |
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* @return string |
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*/ |
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public function execute($url, $postString = '', array $headers = []) |
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{ |
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$this->headers = $headers; |
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$this->init($url, $postString); |
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$res = curl_exec($this->curl); |
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curl_close($this->curl); |
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$this->cookies->fill($this->cookieJar); |
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return $res; |
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} |
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/** |
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* Initializes curl resource with options. |
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* |
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* @param string $url |
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* @param string $postString |
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* @return $this |
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*/ |
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protected function init($url, $postString) |
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{ |
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$this->curl = curl_init($url); |
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if (empty($this->cookieJar)) { |
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$this->loadCookies(); |
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} |
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curl_setopt_array($this->curl, $this->makeHttpOptions($postString)); |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getDefaultHttpOptions() |
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{ |
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return [ |
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CURLOPT_RETURNTRANSFER => true, |
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CURLOPT_SSL_VERIFYPEER => false, |
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CURLOPT_FOLLOWLOCATION => true, |
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CURLOPT_ENCODING => 'gzip,deflate', |
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CURLOPT_HTTPHEADER => $this->headers, |
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CURLOPT_REFERER => UrlBuilder::URL_BASE, |
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CURLOPT_COOKIEFILE => $this->cookieJar, |
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CURLOPT_COOKIEJAR => $this->cookieJar, |
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]; |
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} |
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/** |
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* Adds necessary curl options for query. |
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* |
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* @param string $postString POST query string |
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* |
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* @return array |
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*/ |
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protected function makeHttpOptions($postString = '') |
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{ |
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// Union custom Curl options and default. |
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$options = array_replace( |
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$this->options, |
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$this->getDefaultHttpOptions() |
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); |
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if (!empty($postString)) { |
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$options[CURLOPT_POST] = true; |
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$options[CURLOPT_POSTFIELDS] = $postString; |
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} |
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return $options; |
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} |
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/** |
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* Set custom Curl options to override default |
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* |
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* @param array $options |
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* @return CurlHttpClient |
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*/ |
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public function setOptions(array $options) |
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{ |
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$this->options = $options; |
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return $this; |
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} |
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/** |
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* Get a cookie value by name |
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* |
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* @param $name |
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* @return mixed |
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*/ |
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public function cookie($name) |
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{ |
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return $this->cookies->get($name); |
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} |
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/** |
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* Get all cookies |
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* |
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* @return array |
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*/ |
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public function cookies() |
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{ |
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return $this->cookies->all(); |
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} |
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/** |
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* Init cookie file for a specified username. If username is empty we use |
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* common cookie file for all sessions. If file does not exist it will |
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* be created in system temp directory. |
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* |
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* @param $username |
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* @return $this |
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*/ |
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protected function initCookieJar($username = '') |
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{ |
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$this->cookieJar = $this->initCookieFile($username); |
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return $this; |
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} |
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/** |
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* Returns cookie file name by username. If username is empty we use a |
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* random cookie name, to be sure we have different cookies |
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* in parallel sessions. |
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* |
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* @param string $username |
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* @return string |
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*/ |
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protected function initCookieFile($username) |
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{ |
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if(empty($username)) { |
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return tempnam(sys_get_temp_dir(), self::COOKIE_PREFIX); |
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} |
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$cookieName = self::COOKIE_PREFIX . $username; |
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$cookieFilePath = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $cookieName; |
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if (!file_exists($cookieFilePath)) { |
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touch($cookieFilePath); |
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} |
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return $cookieFilePath; |
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} |
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} |
seregazhuk /
php-pinterest-bot
