Merge pull request #2 from grokability/postprocessing_middleware

Initial stab at middelware that reformats SCIM responses

Author: uberbrady

config/scim.php

@@ -1,5 +1,8 @@
 <?php
 
 return [
+    "trace" => env('SCIM_TRACE',false),
+    // below, if we ever get 'sure' that we can change this default to 'true' we should
+    "standards_compliance" => env('SCIM_STANDARDS_COMPLIANCE', false),
     "publish_routes" => true
 ];

src/Middleware/SCIMHeaders.php

@@ -6,6 +6,20 @@
 use Illuminate\Http\Request;
 use ArieTimmerman\Laravel\SCIMServer\Exceptions\SCIMException;
 
+function undefault_schema(\stdClass $parsed_json)
+{
+    foreach($parsed_json AS $key => $value) {
+        if (stristr($key,'urn:ietf:params:scim:schemas:core:') !== false) {
+            unset($parsed_json->{$key}); //yank it out
+            foreach($value AS $subkey => $subval) { //iterate through *its* subkey/subvals...
+                // TODO should we check if the original keys exist? Only overwrite them if they don't?
+                $parsed_json->{$subkey} = $subval;
+            }
+        }
+    }
+    return $parsed_json;
+}
+
 class SCIMHeaders
 {
     public function handle(Request $request, Closure $next)
@@ -15,6 +29,21 @@ public function handle(Request $request, Closure $next)
         }
 
         $response = $next($request);
+
+        if(config('scim.standards_compliance')) {
+            $response_content = json_decode($response->content());
+
+            if (!$response_content->totalResults) {
+                $response->setContent(json_encode(undefault_schema($response_content)));
+            } else {
+                $final_response = [];
+                foreach ($response_content->Resources as $index => $object) {
+                    $final_response[] = undefault_schema($object);
+                }
+                $response_content->Resources = $final_response;
+                $response->setContent(json_encode($response_content));
+            }
+        }
 
         return $response->header('Content-Type', 'application/scim+json');
     }