friendica-addons/tumblr/library/tumblroauth.php

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<?php
/*
* Abraham Williams (abraham@abrah.am) http://abrah.am
*
* The first PHP Library to support OAuth for Tumblr's REST API. (Originally for Twitter, modified for Tumblr by Lucas)
*/
/**
* Tumblr OAuth class
*/
class TumblrOAuth
{
/* Set up the API root URL. */
public $host = "https://api.tumblr.com/v2/";
/* Set timeout default. */
public $timeout = 30;
/* Set connect timeout. */
public $connecttimeout = 30;
/* Verify SSL Cert. */
public $ssl_verifypeer = FALSE;
/* Response format. */
public $format = 'json';
/* Decode returned json data. */
public $decode_json = TRUE;
/* Set the useragent. */
public $useragent = 'TumblrOAuth v0.2.0-beta2';
/* Contains the last HTTP status code returned. */
public $http_code;
/* Contains the last API call. */
public $url;
/**
* Contains the last HTTP headers returned.
* @var array
*/
public $http_header;
/**
* Contains the last HTTP request info
* @var string
*/
public $http_info;
/** @var OAuthToken */
private $token;
/** @var OAuthConsumer */
private $consumer;
/** @var OAuthSignatureMethod_HMAC_SHA1 */
private $sha1_method;
/**
* Set API URLS
*/
function accessTokenURL()
{
return 'https://www.tumblr.com/oauth/access_token';
}
function authenticateURL()
{
return 'https://www.tumblr.com/oauth/authorize';
}
function authorizeURL()
{
return 'https://www.tumblr.com/oauth/authorize';
}
function requestTokenURL()
{
return 'https://www.tumblr.com/oauth/request_token';
}
function __construct($consumer_key, $consumer_secret, $oauth_token = null, $oauth_token_secret = null)
{
$this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
if (!empty($oauth_token) && !empty($oauth_token_secret)) {
$this->token = new OAuthToken($oauth_token, $oauth_token_secret);
} else {
$this->token = null;
}
}
/**
* Get a request_token from Tumblr
*
* @param callback $oauth_callback
* @return array
*/
function getRequestToken($oauth_callback = null)
{
$parameters = [];
if (!empty($oauth_callback)) {
$parameters['oauth_callback'] = $oauth_callback;
}
$request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthToken($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* Get the authorize URL
*
* @param array $token
* @param bool $sign_in_with_tumblr
* @return string
*/
function getAuthorizeURL($token, $sign_in_with_tumblr = TRUE)
{
if (is_array($token)) {
$token = $token['oauth_token'];
}
if (empty($sign_in_with_tumblr)) {
return $this->authorizeURL() . "?oauth_token={$token}";
} else {
return $this->authenticateURL() . "?oauth_token={$token}";
}
}
/**
* Exchange request token and secret for an access token and
* secret, to sign API calls.
*
* @param bool $oauth_verifier
* @return array ("oauth_token" => "the-access-token",
* "oauth_token_secret" => "the-access-secret",
* "user_id" => "9436992",
* "screen_name" => "abraham")
*/
function getAccessToken($oauth_verifier = FALSE)
{
$parameters = [];
if (!empty($oauth_verifier)) {
$parameters['oauth_verifier'] = $oauth_verifier;
}
$request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthToken($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* One time exchange of username and password for access token and secret.
*
* @param string $username
* @param string $password
* @return array ("oauth_token" => "the-access-token",
* "oauth_token_secret" => "the-access-secret",
* "user_id" => "9436992",
* "screen_name" => "abraham",
* "x_auth_expires" => "0")
*/
function getXAuthToken($username, $password)
{
$parameters = [];
$parameters['x_auth_username'] = $username;
$parameters['x_auth_password'] = $password;
$parameters['x_auth_mode'] = 'client_auth';
$request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthToken($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* GET wrapper for oAuthRequest.
*
* @param string $url
* @param array $parameters
* @return mixed|string
*/
function get($url, $parameters = [])
{
$response = $this->oAuthRequest($url, 'GET', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* POST wrapper for oAuthRequest.
*
* @param string $url
* @param array $parameters
* @return mixed|string
*/
function post($url, $parameters = [])
{
$response = $this->oAuthRequest($url, 'POST', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* DELETE wrapper for oAuthReqeust.
*
* @param string $url
* @param array $parameters
* @return mixed|string
*/
function delete($url, $parameters = [])
{
$response = $this->oAuthRequest($url, 'DELETE', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* Format and sign an OAuth / API request
*
* @param string $url
* @param string $method
* @param array $parameters
* @return mixed|string
*/
function oAuthRequest($url, $method, $parameters)
{
if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
$url = "{$this->host}{$url}";
}
$request = OAuthRequest::from_consumer_and_token($this->consumer, $method, $url, $parameters, $this->token);
$request->sign_request($this->sha1_method, $this->consumer, $this->token);
switch ($method) {
case 'GET':
return $this->http($request->to_url(), 'GET');
default:
return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
}
}
/**
* Make an HTTP request
*
* @param string $url
* @param string $method
* @param mixed $postfields
* @return string API results
*/
function http($url, $method, $postfields = null)
{
$this->http_info = [];
$ci = curl_init();
/* Curl settings */
curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
curl_setopt($ci, CURLOPT_HEADER, FALSE);
switch ($method) {
case 'POST':
curl_setopt($ci, CURLOPT_POST, TRUE);
if (!empty($postfields)) {
curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
}
break;
case 'DELETE':
curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
if (!empty($postfields)) {
$url = "{$url}?{$postfields}";
}
}
curl_setopt($ci, CURLOPT_URL, $url);
$response = curl_exec($ci);
$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
$this->url = $url;
curl_close($ci);
return $response;
}
/**
* Get the header info to store.
*
* @param resource $ch
* @param string $header
* @return int
*/
function getHeader($ch, $header)
{
$i = strpos($header, ':');
if (!empty($i)) {
$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
$value = trim(substr($header, $i + 2));
$this->http_header[$key] = $value;
}
return strlen($header);
}
}