Merge branch 'oauth2' into 'dev'

Fixes to OAuth2 connect-with-openid.  Add zothash Claim.  Add zotwebbie Claim.

See merge request hubzilla/core!1254

Zotlabs/Identity/OAuth2Server.php

@@ -4,7 +4,7 @@ namespace Zotlabs\Identity;
 
 class OAuth2Server extends \OAuth2\Server {
 
-	public function __construct(OAuth2Storage $storage, $config = []) {
+	public function __construct(OAuth2Storage $storage, $config = null) {
 
 		if(! is_array($config)) {
 			$config = [
@@ -19,7 +19,8 @@ class OAuth2Server extends \OAuth2\Server {
 		$this->addGrantType(new \OAuth2\GrantType\ClientCredentials($storage));
 
 		// Add the "Authorization Code" grant type (this is where the oauth magic happens)
-		$this->addGrantType(new \OAuth2\GrantType\AuthorizationCode($storage));
+                // Need to use OpenID\GrantType to return id_token (see:https://github.com/bshaffer/oauth2-server-php/issues/443)
+		$this->addGrantType(new \OAuth2\OpenID\GrantType\AuthorizationCode($storage));
 
 		$keyStorage = new \OAuth2\Storage\Memory( [
 			'keys' => [

Zotlabs/Identity/OAuth2Storage.php

@@ -50,20 +50,67 @@ class OAuth2Storage extends \OAuth2\Storage\Pdo {
     public function getUser($username)
     {
 
-		$x = channelx_by_nick($username);
+		$x = channelx_by_n($username);
 		if(! $x) {
 			return false;
 		}
 
 		return( [
+                        'webbie'    => $x['channel_address'].'@'.\App::get_hostname(),
+                        'zothash'   => $x['channel_hash'],
 			'username'  => $x['channel_address'],
 			'user_id'   => $x['channel_id'],
+			'name'      => $x['channel_name'],
 			'firstName' => $x['channel_name'],
 			'lastName'  => '',
 			'password'  => 'NotARealPassword'
 		] );
     }
 
+    public function scopeExists($scope) {
+      // Report that the scope is valid even if it's not.
+      // We will only return a very small subset no matter what.
+      // @TODO: Truly validate the scope
+      //    see vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/ScopeInterface.php and
+      //        vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Pdo.php
+      //    for more info.
+      return true;
+    }
+
+    public function getDefaultScope($client_id=null) {
+      // Do not REQUIRE a scope
+      //    see vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/ScopeInterface.php and
+      //    for more info.
+      return null;
+    }
+
+    public function getUserClaims ($user_id, $claims) {
+      // Populate the CLAIMS requested (if any).
+      // @TODO: create a more reasonable/comprehensive list.
+      // @TODO: present claims on the AUTHORIZATION screen
+
+        $userClaims = Array();
+        $claims = explode (' ', trim($claims));
+        $validclaims = Array ("name","preferred_username","zothash");
+        $claimsmap = Array (
+                            "zotwebbie" => 'webbie',
+                            "zothash" => 'zothash',
+                            "name" => 'name',
+                            "preferred_username" => "username"
+                           );
+        $userinfo = $this->getUser($user_id);
+        foreach ($validclaims as $validclaim) {
+            if (in_array($validclaim,$claims)) {
+              $claimkey = $claimsmap[$validclaim];
+              $userClaims[$validclaim] = $userinfo[$claimkey];
+            } else {
+              $userClaims[$validclaim] = $validclaim;
+            }
+        }
+        $userClaims["sub"]=$user_id;
+        return $userClaims; 
+    }
+
     /**
      * plaintext passwords are bad!  Override this for your application
      *
@@ -78,4 +125,4 @@ class OAuth2Storage extends \OAuth2\Storage\Pdo {
         return true;
     }
 
-}
+}

Zotlabs/Module/Authorize.php

@@ -60,12 +60,16 @@ class Authorize extends \Zotlabs\Web\Controller {
 		$request = \OAuth2\Request::createFromGlobals();
 		$response = new \OAuth2\Response();
 
+                // Note, "sub" field must match type and content. $user_id is used to populate - make sure it's a string. 
+                $channel = channelx_by_n(local_channel());
+		$user_id = $channel["channel_id"];
+
 		// If the client is not registered, add to the database
 		if (!$client = $storage->getClientDetails($client_id)) {
-			$client_secret = random_string(16);
+                        // Until "Dynamic Client Registration" is pursued - allow new clients to assign their own secret in the REQUEST
+			$client_secret = (isset($_REQUEST["client_secret"])) ? $_REQUEST["client_secret"] : random_string(16);
 			// Client apps are registered per channel
-			$user_id = local_channel();
+			$storage->setClientDetails($client_id, $client_secret, $redirect_uri, 'authorization_code', urldecode($_REQUEST["scope"]), $user_id);
-			$storage->setClientDetails($client_id, $client_secret, $redirect_uri, 'authorization_code', null, $user_id);
 			
 		}
 		if (!$client = $storage->getClientDetails($client_id)) {
@@ -83,7 +87,7 @@ class Authorize extends \Zotlabs\Web\Controller {
 
 		// print the authorization code if the user has authorized your client
 		$is_authorized = ($_POST['authorize'] === 'allow');
-		$s->handleAuthorizeRequest($request, $response, $is_authorized, local_channel());
+		$s->handleAuthorizeRequest($request, $response, $is_authorized, $user_id);
 		if ($is_authorized) {
 			$code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=') + 5, 40);
 			logger('Authorization Code: ' .  $code);

Zotlabs/Module/Token.php

@@ -27,11 +27,11 @@ class Token extends \Zotlabs\Web\Controller {
 				$_SERVER['PHP_AUTH_PW'] = $password;
 			}
 		}
-
+                $storage = new OAuth2Storage(\DBA::$dba->db);
-		$s = new \Zotlabs\Identity\OAuth2Server(new OAuth2Storage(\DBA::$dba->db));
+		$s = new \Zotlabs\Identity\OAuth2Server($storage);
 		$request = \OAuth2\Request::createFromGlobals();
-		$s->handleTokenRequest($request)->send();
+		$response = $s->handleTokenRequest($request);
-
+                $response->send();
 		killme();
 	}
 

Zotlabs/Module/Userinfo.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Zotlabs\Module;
+
+use Zotlabs\Identity\OAuth2Storage;
+
+
+class Userinfo extends \Zotlabs\Web\Controller {
+
+	function init() {
+		$s = new \Zotlabs\Identity\OAuth2Server(new OAuth2Storage(\DBA::$dba->db));
+		$request = \OAuth2\Request::createFromGlobals();
+		$s->handleUserInfoRequest($request)->send();
+		killme();
+	}
+
+}