sforkowany z mirror/friendica
248 wiersze
7.7 KiB
PHP
248 wiersze
7.7 KiB
PHP
<?php
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/*
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* Abraham Williams (abraham@abrah.am) http://abrah.am
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*
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* The first PHP Library to support OAuth for Twitter's REST API.
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*/
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/* Load OAuth lib. You can find it at http://oauth.net */
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require_once('library/OAuth1.php');
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/**
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* Twitter OAuth class
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*/
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class TwitterOAuth {
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/* Contains the last HTTP status code returned. */
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public $http_code;
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/* Contains the last API call. */
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public $url;
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/* Set up the API root URL. */
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public $host = "https://api.twitter.com/1.1/";
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/* Set timeout default. */
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public $timeout = 30;
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/* Set connect timeout. */
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public $connecttimeout = 30;
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/* Verify SSL Cert. */
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public $ssl_verifypeer = FALSE;
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/* Respons format. */
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public $format = 'json';
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/* Decode returned json data. */
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public $decode_json = TRUE;
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/* Contains the last HTTP headers returned. */
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public $http_info;
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/* Set the useragnet. */
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public $useragent = 'TwitterOAuth v0.2.0-beta2';
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/* Immediately retry the API call if the response was not successful. */
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//public $retry = TRUE;
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/**
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* Set API URLS
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*/
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function accessTokenURL() { return 'https://api.twitter.com/oauth/access_token'; }
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function authenticateURL() { return 'https://twitter.com/oauth/authenticate'; }
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function authorizeURL() { return 'https://twitter.com/oauth/authorize'; }
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function requestTokenURL() { return 'https://api.twitter.com/oauth/request_token'; }
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/**
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* Debug helpers
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*/
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function lastStatusCode() { return $this->http_status; }
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function lastAPICall() { return $this->last_api_call; }
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/**
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* construct TwitterOAuth object
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*/
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function __construct($consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) {
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$this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
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$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
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if (!empty($oauth_token) && !empty($oauth_token_secret)) {
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$this->token = new OAuthConsumer($oauth_token, $oauth_token_secret);
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} else {
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$this->token = NULL;
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}
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}
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/**
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* Get a request_token from Twitter
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*
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* @returns a key/value array containing oauth_token and oauth_token_secret
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*/
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function getRequestToken($oauth_callback = NULL) {
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$parameters = array();
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if (!empty($oauth_callback)) {
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$parameters['oauth_callback'] = $oauth_callback;
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}
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$request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters);
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$token = OAuthUtil::parse_parameters($request);
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$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
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return $token;
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}
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/**
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* Get the authorize URL
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*
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* @returns a string
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*/
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function getAuthorizeURL($token, $sign_in_with_twitter = TRUE) {
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if (is_array($token)) {
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$token = $token['oauth_token'];
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}
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if (empty($sign_in_with_twitter)) {
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return $this->authorizeURL() . "?oauth_token={$token}";
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} else {
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return $this->authenticateURL() . "?oauth_token={$token}";
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}
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}
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/**
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* Exchange request token and secret for an access token and
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* secret, to sign API calls.
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*
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* @returns array("oauth_token" => "the-access-token",
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* "oauth_token_secret" => "the-access-secret",
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* "user_id" => "9436992",
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* "screen_name" => "abraham")
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*/
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function getAccessToken($oauth_verifier = FALSE) {
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$parameters = array();
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if (!empty($oauth_verifier)) {
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$parameters['oauth_verifier'] = $oauth_verifier;
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}
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$request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters);
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$token = OAuthUtil::parse_parameters($request);
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$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
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return $token;
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}
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/**
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* One time exchange of username and password for access token and secret.
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*
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* @returns array("oauth_token" => "the-access-token",
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* "oauth_token_secret" => "the-access-secret",
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* "user_id" => "9436992",
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* "screen_name" => "abraham",
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* "x_auth_expires" => "0")
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*/
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function getXAuthToken($username, $password) {
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$parameters = array();
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$parameters['x_auth_username'] = $username;
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$parameters['x_auth_password'] = $password;
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$parameters['x_auth_mode'] = 'client_auth';
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$request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters);
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$token = OAuthUtil::parse_parameters($request);
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$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
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return $token;
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}
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/**
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* GET wrapper for oAuthRequest.
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*/
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function get($url, $parameters = array()) {
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$response = $this->oAuthRequest($url, 'GET', $parameters);
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if ($this->format === 'json' && $this->decode_json) {
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return json_decode($response);
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}
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return $response;
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}
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/**
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* POST wrapper for oAuthRequest.
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*/
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function post($url, $parameters = array()) {
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$response = $this->oAuthRequest($url, 'POST', $parameters);
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if ($this->format === 'json' && $this->decode_json) {
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return json_decode($response);
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}
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return $response;
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}
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/**
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* DELETE wrapper for oAuthReqeust.
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*/
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function delete($url, $parameters = array()) {
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$response = $this->oAuthRequest($url, 'DELETE', $parameters);
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if ($this->format === 'json' && $this->decode_json) {
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return json_decode($response);
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}
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return $response;
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}
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/**
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* Format and sign an OAuth / API request
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*/
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function oAuthRequest($url, $method, $parameters) {
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if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
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$url = "{$this->host}{$url}.{$this->format}";
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}
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$request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters);
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$request->sign_request($this->sha1_method, $this->consumer, $this->token);
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switch ($method) {
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case 'GET':
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return $this->http($request->to_url(), 'GET');
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case 'UPLOAD':
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return $this->http($request->get_normalized_http_url(), 'POST', $request->to_postdata(true));
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default:
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return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
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}
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}
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/**
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* Make an HTTP request
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*
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* @return API results
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*/
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function http($url, $method, $postfields = NULL) {
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$this->http_info = array();
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$ci = curl_init();
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/* Curl settings */
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curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
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curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
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curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
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curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
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curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
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curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
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curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
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curl_setopt($ci, CURLOPT_HEADER, FALSE);
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switch ($method) {
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case 'POST':
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curl_setopt($ci, CURLOPT_POST, TRUE);
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if (!empty($postfields)) {
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curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
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}
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break;
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case 'DELETE':
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curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
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if (!empty($postfields)) {
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$url = "{$url}?{$postfields}";
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}
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}
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curl_setopt($ci, CURLOPT_URL, $url);
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$response = curl_exec($ci);
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$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
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$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
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$this->url = $url;
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curl_close ($ci);
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return $response;
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}
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/**
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* Get the header info to store.
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*/
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function getHeader($ch, $header) {
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$i = strpos($header, ':');
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if (!empty($i)) {
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$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
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$value = trim(substr($header, $i + 2));
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$this->http_header[$key] = $value;
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}
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return strlen($header);
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}
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}
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