1 files changed, 151 insertions, 0 deletions
diff --git a/apps/files_external/3rdparty/Dropbox/OAuth.php b/apps/files_external/3rdparty/Dropbox/OAuth.php
new file mode 100644
index 00000000000..905cc2da1c6
--- /dev/null
+++ b/apps/files_external/3rdparty/Dropbox/OAuth.php
@@ -0,0 +1,151 @@
+<?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;
+
+
+    /**
+     * 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;
+    }
+
+    /**
+     * 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(); 
+
+}