+function tumblr_module() {}
+
+function tumblr_content(&$a) {
+
+ if(! local_user()) {
+ notice( t('Permission denied.') . EOL);
+ return '';
+ }
+
+ if (isset($a->argv[1]))
+ switch ($a->argv[1]) {
+ case "connect":
+ $o = tumblr_connect($a);
+ break;
+ case "callback":
+ $o = tumblr_callback($a);
+ break;
+ default:
+ $o = print_r($a->argv, true);
+ break;
+ }
+ else
+ $o = tumblr_connect($a);
+
+ return $o;
+}
+
+function tumblr_connect($a) {
+ // Start a session. This is necessary to hold on to a few keys the callback script will also need
+ session_start();
+
+ // Include the TumblrOAuth library
+ //require_once('addon/tumblr/tumblroauth/tumblroauth.php');
+
+ // Define the needed keys
+ $consumer_key = get_config('tumblr','consumer_key');
+ $consumer_secret = get_config('tumblr','consumer_secret');
+
+ // The callback URL is the script that gets called after the user authenticates with tumblr
+ // In this example, it would be the included callback.php
+ $callback_url = $a->get_baseurl()."/tumblr/callback";
+
+ // Let's begin. First we need a Request Token. The request token is required to send the user
+ // to Tumblr's login page.
+
+ // Create a new instance of the TumblrOAuth library. For this step, all we need to give the library is our
+ // Consumer Key and Consumer Secret
+ $tum_oauth = new TumblrOAuth($consumer_key, $consumer_secret);
+
+ // Ask Tumblr for a Request Token. Specify the Callback URL here too (although this should be optional)
+ $request_token = $tum_oauth->getRequestToken($callback_url);
+
+ // Store the request token and Request Token Secret as out callback.php script will need this
+ $_SESSION['request_token'] = $token = $request_token['oauth_token'];
+ $_SESSION['request_token_secret'] = $request_token['oauth_token_secret'];
+
+ // Check the HTTP Code. It should be a 200 (OK), if it's anything else then something didn't work.
+ switch ($tum_oauth->http_code) {
+ case 200:
+ // Ask Tumblr to give us a special address to their login page
+ $url = $tum_oauth->getAuthorizeURL($token);
+
+ // Redirect the user to the login URL given to us by Tumblr
+ header('Location: ' . $url);
+
+ // That's it for our side. The user is sent to a Tumblr Login page and
+ // asked to authroize our app. After that, Tumblr sends the user back to
+ // our Callback URL (callback.php) along with some information we need to get
+ // an access token.
+
+ break;
+ default:
+ // Give an error message
+ $o = 'Could not connect to Tumblr. Refresh the page or try again later.';
+ }
+ return($o);
+}
+
+function tumblr_callback($a) {
+
+ // Start a session, load the library
+ session_start();
+ //require_once('addon/tumblr/tumblroauth/tumblroauth.php');
+
+ // Define the needed keys
+ $consumer_key = get_config('tumblr','consumer_key');
+ $consumer_secret = get_config('tumblr','consumer_secret');
+
+ // Once the user approves your app at Tumblr, they are sent back to this script.
+ // This script is passed two parameters in the URL, oauth_token (our Request Token)
+ // and oauth_verifier (Key that we need to get Access Token).
+ // We'll also need out Request Token Secret, which we stored in a session.
+
+ // Create instance of TumblrOAuth.
+ // It'll need our Consumer Key and Secret as well as our Request Token and Secret
+ $tum_oauth = new TumblrOAuth($consumer_key, $consumer_secret, $_SESSION['request_token'], $_SESSION['request_token_secret']);
+
+ // Ok, let's get an Access Token. We'll need to pass along our oauth_verifier which was given to us in the URL.
+ $access_token = $tum_oauth->getAccessToken($_REQUEST['oauth_verifier']);
+
+ // We're done with the Request Token and Secret so let's remove those.
+ unset($_SESSION['request_token']);
+ unset($_SESSION['request_token_secret']);
+
+ // Make sure nothing went wrong.
+ if (200 == $tum_oauth->http_code) {
+ // good to go
+ } else {
+ return('Unable to authenticate');
+ }
+
+ // What's next? Now that we have an Access Token and Secret, we can make an API call.
+ set_pconfig(local_user(), "tumblr", "oauth_token", $access_token['oauth_token']);
+ set_pconfig(local_user(), "tumblr", "oauth_token_secret", $access_token['oauth_token_secret']);
+
+ $o = t("You are now authenticated to tumblr.");
+ $o .= '<br /><a href="'.$a->get_baseurl().'/settings/connectors">'.t("return to the connector page").'</a>';
+ return($o);
+}