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313 lines
11 KiB
PHP
313 lines
11 KiB
PHP
<?php
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/*
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* Author: Neuman Vong neuman@twilio.com
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* License: http://creativecommons.org/licenses/MIT/ MIT
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* Link: https://twilio-php.readthedocs.org/en/latest/
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*/
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function Services_Twilio_autoload($className) {
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if (substr($className, 0, 15) != 'Services_Twilio') {
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return false;
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}
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$file = str_replace('_', '/', $className);
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$file = str_replace('Services/', '', $file);
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return include dirname(__FILE__) . "/$file.php";
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}
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spl_autoload_register('Services_Twilio_autoload');
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/**
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* Create a client to talk to the Twilio API.
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*
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*
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* :param string $sid: Your Account SID
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* :param string $token: Your Auth Token from `your dashboard
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* <https://www.twilio.com/user/account>`_
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* :param string $version: API version to use
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* :param $_http: A HTTP client for making requests.
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* :type $_http: :php:class:`Services_Twilio_TinyHttp`
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* :param int $retryAttempts:
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* Number of times to retry failed requests. Currently only idempotent
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* requests (GET's and DELETE's) are retried.
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*
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* Here's an example:
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*
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* .. code-block:: php
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*
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* require('Services/Twilio.php');
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* $client = new Services_Twilio('AC123', '456bef', null, null, 3);
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* // Take some action with the client, etc.
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*/
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class Services_Twilio extends Services_Twilio_Resource
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{
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const USER_AGENT = 'twilio-php/3.12.4';
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protected $http;
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protected $retryAttempts;
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protected $last_response;
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protected $version;
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protected $versions = array('2008-08-01', '2010-04-01');
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public function __construct(
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$sid,
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$token,
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$version = null,
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Services_Twilio_TinyHttp $_http = null,
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$retryAttempts = 1
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) {
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$this->version = in_array($version, $this->versions) ?
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$version : end($this->versions);
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if (null === $_http) {
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if (!in_array('openssl', get_loaded_extensions())) {
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throw new Services_Twilio_HttpException("The OpenSSL extension is required but not currently enabled. For more information, see http://php.net/manual/en/book.openssl.php");
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}
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if (in_array('curl', get_loaded_extensions())) {
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$_http = new Services_Twilio_TinyHttp(
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"https://api.twilio.com",
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array(
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"curlopts" => array(
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CURLOPT_USERAGENT => self::qualifiedUserAgent(phpversion()),
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CURLOPT_HTTPHEADER => array('Accept-Charset: utf-8'),
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CURLOPT_CAINFO => dirname(__FILE__) . '/cacert.pem',
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),
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)
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);
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} else {
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$_http = new Services_Twilio_HttpStream(
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"https://api.twilio.com",
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array(
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"http_options" => array(
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"http" => array(
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"user_agent" => self::qualifiedUserAgent(phpversion()),
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"header" => "Accept-Charset: utf-8\r\n",
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),
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"ssl" => array(
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'verify_peer' => true,
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'cafile' => dirname(__FILE__) . '/cacert.pem',
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'verify_depth' => 5,
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),
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),
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)
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);
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}
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}
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$_http->authenticate($sid, $token);
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$this->http = $_http;
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$this->accounts = new Services_Twilio_Rest_Accounts($this, "/{$this->version}/Accounts");
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$this->account = $this->accounts->get($sid);
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$this->retryAttempts = $retryAttempts;
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}
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/**
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* Fully qualified user agent with the current PHP Version.
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*
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* :return: the user agent
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* :rtype: string
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*/
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public static function qualifiedUserAgent($php_version) {
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return self::USER_AGENT . " (php $php_version)";
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}
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/**
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* Get the api version used by the rest client
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*
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* :return: the API version in use
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* :returntype: string
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*/
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public function getVersion() {
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return $this->version;
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}
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/**
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* Get the retry attempt limit used by the rest client
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*
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* :return: the number of retry attempts
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* :rtype: int
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*/
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public function getRetryAttempts() {
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return $this->retryAttempts;
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}
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/**
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* Construct a URI based on initial path, query params, and paging
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* information
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*
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* We want to use the query params, unless we have a next_page_uri from the
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* API.
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*
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* :param string $path: The request path (may contain query params if it's
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* a next_page_uri)
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* :param array $params: Query parameters to use with the request
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* :param boolean $full_uri: Whether the $path contains the full uri
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*
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* :return: the URI that should be requested by the library
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* :returntype: string
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*/
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public static function getRequestUri($path, $params, $full_uri = false) {
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$json_path = $full_uri ? $path : "$path.json";
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if (!$full_uri && !empty($params)) {
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$query_path = $json_path . '?' . http_build_query($params, '', '&');
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} else {
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$query_path = $json_path;
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}
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return $query_path;
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}
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/**
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* Helper method for implementing request retry logic
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*
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* :param array $callable: The function that makes an HTTP request
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* :param string $uri: The URI to request
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* :param int $retriesLeft: Number of times to retry
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*
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* :return: The object representation of the resource
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* :rtype: object
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*/
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protected function _makeIdempotentRequest($callable, $uri, $retriesLeft) {
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$response = call_user_func_array($callable, array($uri));
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list($status, $headers, $body) = $response;
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if ($status >= 500 && $retriesLeft > 0) {
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return $this->_makeIdempotentRequest($callable, $uri, $retriesLeft - 1);
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} else {
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return $this->_processResponse($response);
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}
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}
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/**
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* GET the resource at the specified path.
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*
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* :param string $path: Path to the resource
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* :param array $params: Query string parameters
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* :param boolean $full_uri: Whether the full URI has been passed as an
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* argument
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*
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* :return: The object representation of the resource
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* :rtype: object
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*/
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public function retrieveData($path, $params = array(),
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$full_uri = false
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) {
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$uri = self::getRequestUri($path, $params, $full_uri);
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return $this->_makeIdempotentRequest(array($this->http, 'get'),
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$uri, $this->retryAttempts);
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}
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/**
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* DELETE the resource at the specified path.
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*
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* :param string $path: Path to the resource
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* :param array $params: Query string parameters
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*
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* :return: The object representation of the resource
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* :rtype: object
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*/
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public function deleteData($path, $params = array())
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{
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$uri = self::getRequestUri($path, $params);
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return $this->_makeIdempotentRequest(array($this->http, 'delete'),
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$uri, $this->retryAttempts);
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}
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/**
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* POST to the resource at the specified path.
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*
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* :param string $path: Path to the resource
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* :param array $params: Query string parameters
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*
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* :return: The object representation of the resource
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* :rtype: object
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*/
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public function createData($path, $params = array())
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{
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$path = "$path.json";
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$headers = array('Content-Type' => 'application/x-www-form-urlencoded');
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$response = $this->http->post(
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$path, $headers, self::buildQuery($params, '')
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);
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return $this->_processResponse($response);
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}
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/**
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* Build a query string from query data
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*
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* :param array $queryData: An associative array of keys and values. The
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* values can be a simple type or a list, in which case the list is
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* converted to multiple query parameters with the same key.
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* :param string $numericPrefix:
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* :param string $queryStringStyle: Determine how to build the url
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* - strict: Build a standards compliant query string without braces (can be hacked by using braces in key)
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* - php: Build a PHP compatible query string with nested array syntax
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* :return: The encoded query string
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* :rtype: string
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*/
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public static function buildQuery($queryData, $numericPrefix = '') {
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$query = '';
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// Loop through all of the $query_data
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foreach ($queryData as $key => $value) {
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// If the key is an int, add the numeric_prefix to the beginning
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if (is_int($key)) {
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$key = $numericPrefix . $key;
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}
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// If the value is an array, we will end up recursing
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if (is_array($value)) {
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// Loop through the values
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foreach ($value as $value2) {
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// Add an arg_separator if needed
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if ($query !== '') {
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$query .= '&';
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}
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// Recurse
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$query .= self::buildQuery(array($key => $value2), $numericPrefix);
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}
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} else {
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// Add an arg_separator if needed
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if ($query !== '') {
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$query .= '&';
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}
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// Add the key and the urlencoded value (as a string)
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$query .= $key . '=' . urlencode((string)$value);
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}
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}
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return $query;
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}
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/**
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* Convert the JSON encoded resource into a PHP object.
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*
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* :param array $response: 3-tuple containing status, headers, and body
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*
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* :return: PHP object decoded from JSON
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* :rtype: object
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* :throws: A :php:class:`Services_Twilio_RestException` if the Response is
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* in the 300-500 range of status codes.
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*/
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private function _processResponse($response)
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{
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list($status, $headers, $body) = $response;
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if ($status === 204) {
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return true;
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}
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$decoded = json_decode($body);
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if ($decoded === null) {
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throw new Services_Twilio_RestException(
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$status,
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'Could not decode response body as JSON. ' .
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'This likely indicates a 500 server error'
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);
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}
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if (200 <= $status && $status < 300) {
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$this->last_response = $decoded;
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return $decoded;
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}
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throw new Services_Twilio_RestException(
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$status,
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isset($decoded->message) ? $decoded->message : '',
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isset($decoded->code) ? $decoded->code : null,
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isset($decoded->more_info) ? $decoded->more_info : null
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);
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}
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}
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