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<?php
/**
* Dropbox OAuth
*
* @package Dropbox
* @copyright Copyright (C) 2010 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/dropbox-php/wiki/License MIT
*/
/**
* This class is an abstract OAuth class.
*
* It must be extended by classes who wish to provide OAuth functionality
* using different libraries.
*/
abstract class Dropbox_OAuth {
/**
* After a user has authorized access, dropbox can redirect the user back
* to this url.
*
* @var string
*/
public $authorizeCallbackUrl = null;
/**
* Uri used to fetch request tokens
*
* @var string
*/
const URI_REQUEST_TOKEN = 'https://api.dropbox.com/1/oauth/request_token';
/**
* Uri used to redirect the user to for authorization.
*
* @var string
*/
const URI_AUTHORIZE = 'https://www.dropbox.com/1/oauth/authorize';
/**
* Uri used to
*
* @var string
*/
const URI_ACCESS_TOKEN = 'https://api.dropbox.com/1/oauth/access_token';
/**
* An OAuth request token.
*
* @var string
*/
protected $oauth_token = null;
/**
* OAuth token secret
*
* @var string
*/
protected $oauth_token_secret = null;
/**
* Get OAuth request last responce
*
* @var array
*/
protected $lastResponse = array();
/**
* Input file stream pointer or file path for PUT method
*
* @var resource|string
*/
protected $inFile = null;
/**
* Input file size for PUT method
*
* @var resource | string
*/
protected $inFileSize = null;
/**
* Is support PUT method on OAuth consumer
*
* @var bool
*/
protected $putSupported = false;
/**
* Constructor
*
* @param string $consumerKey
* @param string $consumerSecret
*/
abstract public function __construct($consumerKey, $consumerSecret);
/**
* Sets the request token and secret.
*
* The tokens can also be passed as an array into the first argument.
* The array must have the elements token and token_secret.
*
* @param string|array $token
* @param string $token_secret
* @return void
*/
public function setToken($token, $token_secret = null) {
if (is_array($token)) {
$this->oauth_token = $token['token'];
$this->oauth_token_secret = $token['token_secret'];
} else {
$this->oauth_token = $token;
$this->oauth_token_secret = $token_secret;
}
}
/**
* Returns the oauth request tokens as an associative array.
*
* The array will contain the elements 'token' and 'token_secret'.
*
* @return array
*/
public function getToken() {
return array(
'token' => $this->oauth_token,
'token_secret' => $this->oauth_token_secret,
);
}
/**
* Returns the authorization url
*
* @param string $callBack Specify a callback url to automatically redirect the user back
* @return string
*/
public function getAuthorizeUrl($callBack = null) {
// Building the redirect uri
$token = $this->getToken();
$uri = self::URI_AUTHORIZE . '?oauth_token=' . $token['token'];
if ($callBack) $uri.='&oauth_callback=' . $callBack;
return $uri;
}
/**
* Set input file for PUT method
*
* @param resource|string $file
* @throws Dropbox_Exception
*/
public function setInfile($file) {
if (is_resource($file)) {
$stat = fstat($file);
$this->inFileSize = $stat['size'];
} else if (is_string($file) && is_readable($file)) {
$this->inFileSize = filesize($file);
$file = fopen($file, 'rb');
}
if (!is_resource($file)) {
throw new Dropbox_Exception('File must be a file-resource or a string');
}
$this->inFile = $file;
}
/**
* Return is PUT method supported
*
* @return boolean
*/
public function isPutSupport() {
return $this->putSupported;
}
/**
* Get last request response
*
* @return array:
*/
public function getLastResponse() {
return $this->lastResponse;
}
/**
* Fetches a secured oauth url and returns the response body.
*
* @param string $uri
* @param mixed $arguments
* @param string $method
* @param array $httpHeaders
* @return string
*/
public abstract function fetch($uri, $arguments = array(), $method = 'GET', $httpHeaders = array());
/**
* Requests the OAuth request token.
*
* @return array
*/
abstract public function getRequestToken();
/**
* Requests the OAuth access tokens.
*
* @return array
*/
abstract public function getAccessToken();
}
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