From ff7fc68382bf1359adc31bd65bb6786b7f63e31a Mon Sep 17 00:00:00 2001
From: Fabio Comuni <fabrix.xm@gmail.com>
Date: Wed, 26 Oct 2011 17:15:36 +0200
Subject: [PATCH] oauthapi: authorize app

---
 include/api.php    |  5 +--
 include/oauth.php  |  1 +
 library/OAuth1.php | 15 ++++++--
 mod/api.php        | 94 ++++++++++++++++++++++++++++++++++++++++++++++
 mod/settings.php   | 18 ++++++++-
 5 files changed, 125 insertions(+), 8 deletions(-)

diff --git a/include/api.php b/include/api.php
index 252caeb8e..2de965681 100644
--- a/include/api.php
+++ b/include/api.php
@@ -1158,9 +1158,8 @@
 		echo "oauth_token=".$r->key."&oauth_secret=".$r->secret;
 		killme();			
 	}
-	function api_oauth_authorize(&$a, $type){
-	}
+
 	api_register_func('api/oauth/request_token', 'api_oauth_request_token', false);
 	api_register_func('api/oauth/access_token', 'api_oauth_access_token', false);
-	api_register_func('api/oauth/authorize', 'api_oauth_authorize', false);
+
 
diff --git a/include/oauth.php b/include/oauth.php
index 63d5fcd92..506172491 100644
--- a/include/oauth.php
+++ b/include/oauth.php
@@ -101,6 +101,7 @@ class FKOAuth1 extends OAuthServer {
 	function __construct() {
 		parent::__construct(new FKOAuthDataStore());
 		$this->add_signature_method(new OAuthSignatureMethod_PLAINTEXT());
+		$this->add_signature_method(new OAuthSignatureMethod_HMAC_SHA1());
 	}
 }
 
diff --git a/library/OAuth1.php b/library/OAuth1.php
index 67a94c479..604945265 100644
--- a/library/OAuth1.php
+++ b/library/OAuth1.php
@@ -85,7 +85,8 @@ abstract class OAuthSignatureMethod {
    */
   public function check_signature($request, $consumer, $token, $signature) {
     $built = $this->build_signature($request, $consumer, $token);
-    return $built == $signature;
+    //echo "<pre>"; var_dump($signature, $built, ($built == $signature)); killme();
+    return ($built == $signature);
   }
 }
 
@@ -113,7 +114,9 @@ class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
     $key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
     $key = implode('&', $key_parts);
 
-    return base64_encode(hash_hmac('sha1', $base_string, $key, true));
+
+    $r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
+    return $r;
   }
 }
 
@@ -282,7 +285,12 @@ class OAuthRequest {
       }
 
     }
-
+    // fix for friendika redirect system
+    
+    $http_url =  substr($http_url, 0, strpos($http_url,$parameters['q'])+strlen($parameters['q']));
+    unset( $parameters['q'] );
+    
+	//echo "<pre>".__function__."\n"; var_dump($http_method, $http_url, $parameters, $_SERVER['REQUEST_URI']); killme();
     return new OAuthRequest($http_method, $http_url, $parameters);
   }
 
@@ -642,6 +650,7 @@ class OAuthServer {
       $token,
       $signature
     );
+	
 
     if (!$valid_sig) {
       throw new OAuthException("Invalid signature");
diff --git a/mod/api.php b/mod/api.php
index fa5e43de9..bc5de0340 100644
--- a/mod/api.php
+++ b/mod/api.php
@@ -2,7 +2,101 @@
 
 require_once('include/api.php');
 
+function oauth_get_client(){
+	// get consumer/client from request token
+	try {
+		$request = OAuthRequest::from_request();
+	} catch(Exception $e) {
+		echo "<pre>"; var_dump($e); killme();
+	}
+	
+	$params = $request->get_parameters();
+	$token = $params['oauth_token'];
+	
+	$r = q("SELECT `clients`.* 
+			FROM `clients`, `tokens` 
+			WHERE `clients`.`client_id`=`tokens`.`client_id` 
+			AND `tokens`.`id`='%s' AND `tokens`.`scope`='request'",
+			dbesc($token));
+
+	if (!count($r))
+		return null;
+	
+	return $r[0];
+}
+
+function api_post(&$a) {
+
+	if(! local_user()) {
+		notice( t('Permission denied.') . EOL);
+		return;
+	}
+
+	if(count($a->user) && x($a->user,'uid') && $a->user['uid'] != local_user()) {
+		notice( t('Permission denied.') . EOL);
+		return;
+	}
+
+}
+
 function api_content(&$a) {
+	if ($a->cmd=='api/oauth/authorize'){
+		/* 
+		 * api/oauth/authorize interact with the user. return a standard page
+		 */
+		
+		
+		if (x($_POST,'oauth_yes')){
+		
+		
+			$app = oauth_get_client();
+			if (is_null($app)) return "Invalid request. Unknown token.";
+			$consumer = new OAuthConsumer($app['key'], $app['secret']);
+			
+			// Rev A change
+			$request = OAuthRequest::from_request();
+			$callback = $request->get_parameter('oauth_callback');
+			$datastore = new FKOAuthDataStore();
+			$new_token = $datastore->new_request_token($consumer, $callback);
+			
+			$tpl = get_markup_template("oauth_authorize_done.tpl");
+			$o = replace_macros($tpl, array(
+				'$title' => t('Authorize application connection'),
+				'$info' => t('Return to your app and insert this Securty Code:'),
+				'$code' => $new_token->key,
+			));
+		
+			return $o;
+		
+		
+		}
+	
+		
+		
+		if(! local_user()) {
+			//TODO: we need login form to redirect to this page
+			notice( t('Please login to continue.') . EOL );
+			return login(false);
+		}
+		
+		$app = oauth_get_client();
+		if (is_null($app)) return "Invalid request. Unknown token.";
+		
+		
+		$tpl = get_markup_template('oauth_authorize.tpl');
+		$o = replace_macros($tpl, array(
+			'$title' => t('Authorize application connection'),
+			'$app' => $app,
+			'$authorize' => t('Do you want to authorize this application to access your posts and contacts, and/or create new posts for you?'),
+			'$yes'	=> t('Yes'),
+			'$no'	=> t('No'),
+		));
+		
+		//echo "<pre>"; var_dump($app); killme();
+		
+		return $o;
+	}
+	
 	echo api_call($a);
 	killme();
 }
diff --git a/mod/settings.php b/mod/settings.php
index 84f66d263..da2b57cd5 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -339,6 +339,11 @@ function settings_content(&$a) {
 			'url' 	=> $a->get_baseurl().'/settings/addon',
 			'sel'	=> (($a->argc > 1) && ($a->argv[1] === 'addon')?'active':''),
 		),
+		array(
+			'label' => t('Connections'),
+			'url' => $a->get_baseurl() . '/settings/oauth',
+			'sel' => (($a->argc > 1) && ($a->argv[1] === 'oauth')?'active':''),
+		),
 		array(
 			'label' => t('Export personal data'),
 			'url' => $a->get_baseurl() . '/uexport',
@@ -351,8 +356,17 @@ function settings_content(&$a) {
 		'$tabs' => $tabs,
 	));
 		
-	
-
+	if(($a->argc > 1) && ($a->argv[1] === 'oauth')) {
+		
+		$tpl = get_markup_template("settings_oauth.tpl");
+		$o .= replace_macros($tpl, array(
+			'$title'	=> t('Connected Apps'),
+			'$tabs'		=> $tabs,
+			'$settings_addons' => $settings_addons
+		));
+		return $o;
+		
+	}
 	if(($a->argc > 1) && ($a->argv[1] === 'addon')) {
 		$settings_addons = "";