<?php

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namespace GuzzleHttp\Cookie;

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/**

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* Persists non-session cookies using a JSON formatted file

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*/

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class FileCookieJar extends CookieJar

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{

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/** @var string filename */

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private $filename;

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/** @var bool Control whether to persist session cookies or not. */

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private $storeSessionCookies;

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/**

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* Create a new FileCookieJar object

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*

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* @param string $cookieFile File to store the cookie data

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* @param bool $storeSessionCookies Set to true to store session cookies

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* in the cookie jar.

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*

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* @throws \RuntimeException if the file cannot be found or created

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*/

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public function __construct($cookieFile, $storeSessionCookies = false)

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{

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parent::__construct();

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$this->filename = $cookieFile;

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$this->storeSessionCookies = $storeSessionCookies;

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if (file_exists($cookieFile)) {

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$this->load($cookieFile);

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}

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}

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/**

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* Saves the file when shutting down

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*/

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public function __destruct()

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{

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$this->save($this->filename);

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}

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/**

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* Saves the cookies to a file.

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*

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* @param string $filename File to save

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* @throws \RuntimeException if the file cannot be found or created

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*/

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public function save($filename)

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{

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$json = [];

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foreach ($this as $cookie) {

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/** @var SetCookie $cookie */

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if (CookieJar::shouldPersist($cookie, $this->storeSessionCookies)) {

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$json[] = $cookie->toArray();

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}

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}

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$jsonStr = \GuzzleHttp\json_encode($json);

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if (false === file_put_contents($filename, $jsonStr, LOCK_EX)) {

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throw new \RuntimeException("Unable to save file {$filename}");

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}

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}

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/**

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* Load cookies from a JSON formatted file.

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*

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* Old cookies are kept unless overwritten by newly loaded ones.

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*

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* @param string $filename Cookie file to load.

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* @throws \RuntimeException if the file cannot be loaded.

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*/

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public function load($filename)

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{

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$json = file_get_contents($filename);

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if (false === $json) {

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throw new \RuntimeException("Unable to load file {$filename}");

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} elseif ($json === '') {

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return;

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}

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$data = \GuzzleHttp\json_decode($json, true);

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if (is_array($data)) {

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foreach (json_decode($json, true) as $cookie) {

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$this->setCookie(new SetCookie($cookie));

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}

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} elseif (strlen($data)) {

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throw new \RuntimeException("Invalid cookie file: {$filename}");

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}

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}

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}

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