diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
index 3009bf2f..07c51c97 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
@@ -11,6 +11,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
+
+use App\Http\Utils\FileTypes;
 use libs\utils\HTMLCleaner;
 use models\exceptions\EntityNotFoundException;
 use models\exceptions\ValidationException;
@@ -640,7 +642,13 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
                 'description',
             ];
 
-            $slide = $this->presentation_service->addSlideTo($request, $presentation_id, HTMLCleaner::cleanData($data, $fields));
+            $slide = $this->presentation_service->addSlideTo
+            (
+                $request,
+                $presentation_id,
+                HTMLCleaner::cleanData($data, $fields),
+                array_merge(FileTypes::ImagesExntesions, FileTypes::SlidesExtensions)
+            );
 
             return $this->created(SerializerRegistry::getInstance()->getSerializer($slide)->serialize());
         }
@@ -675,25 +683,7 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
             if (is_null($summit)) return $this->error404();
 
 
-            $content_type = $request->headers->has('Content-Type')  ? strtolower( $request->headers->get('Content-Type')) : null;
-
-            if (false !== $pos = strpos($content_type, ';')) {
-                $content_type = substr($content_type, 0, $pos);
-            }
-            $file  = null;
             $data  = $request->all();
-            Log::debug("updatePresentationSlide: data ".var_dump($data));
-            if(strstr($content_type, 'multipart/form-data')) {
-                Log::debug("updatePresentationSlide: has multipart/form-data");
-                $parser = new ParseMultiPartFormDataInputStream(file_get_contents('php://input'));
-                $input  = $parser->getInput();
-                Log::debug("updatePresentationSlide: input ".var_dump($input));
-                $data   = $input['parameters'];
-                $files  = $input['files'];
-                $file   = null;
-                if (isset($files['file']))
-                    $file = $files['file'];
-            }
 
             $rules = [
                 'link'            => 'nullable|url',
@@ -720,7 +710,11 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
 
             $slide = $this->presentation_service->updateSlide
             (
-                $request, $presentation_id, $slide_id, HTMLCleaner::cleanData($data, $fields), $file
+                $request,
+                $presentation_id,
+                $slide_id,
+                HTMLCleaner::cleanData($data, $fields),
+                array_merge(FileTypes::ImagesExntesions, FileTypes::SlidesExtensions)
             );
 
             return $this->updated(SerializerRegistry::getInstance()->getSerializer($slide)->serialize());
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitLocationsApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitLocationsApiController.php
index 16e2e650..160fa752 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitLocationsApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitLocationsApiController.php
@@ -1932,28 +1932,10 @@ final class OAuth2SummitLocationsApiController extends OAuth2ProtectedController
 
             $summit = SummitFinderStrategyFactory::build($this->repository, $this->resource_server_context)->find($summit_id);
             if (is_null($summit)) return $this->error404();
-
-            $content_type = $request->headers->has('Content-Type')  ? strtolower( $request->headers->get('Content-Type')) : null;
-
-            if (false !== $pos = strpos($content_type, ';')) {
-                $content_type = substr($content_type, 0, $pos);
-            }
-
-            if(!strstr($content_type, 'multipart/form-data'))
-                return $this->error400();
-
-            $parser   = new ParseMultiPartFormDataInputStream(file_get_contents('php://input'));
-            $input    = $parser->getInput();
-            $metadata = $input['parameters'];
-            $files    = $input['files'];
-            $file     = null;
-
-            if(isset($files['file']))
-                $file = $files['file'];
-
-            $rules      = SummitLocationImageValidationRulesFactory::build(true);
+            $data  = $request->all();
+            $rules = SummitLocationImageValidationRulesFactory::build(true);
             // Creates a Validator instance and validates the data.
-            $validation = Validator::make($metadata, $rules);
+            $validation = Validator::make($data, $rules);
 
             if ($validation->fails()) {
                 $messages = $validation->messages()->toArray();
@@ -1971,9 +1953,9 @@ final class OAuth2SummitLocationsApiController extends OAuth2ProtectedController
                 $map_id,
                 HTMLCleaner::cleanData
                 (
-                    $metadata, ['description']
+                    $data, ['description']
                 ),
-                $file
+                $request->hasFile('file') ? $request->file('file'):null
             );
 
             return $this->updated(SerializerRegistry::getInstance()->getSerializer($map)->serialize());
@@ -2148,28 +2130,10 @@ final class OAuth2SummitLocationsApiController extends OAuth2ProtectedController
         try {
             $summit = SummitFinderStrategyFactory::build($this->repository, $this->resource_server_context)->find($summit_id);
             if (is_null($summit)) return $this->error404();
-
-            $content_type = $request->headers->has('Content-Type')  ? strtolower( $request->headers->get('Content-Type')) : null;
-
-            if (false !== $pos = strpos($content_type, ';')) {
-                $content_type = substr($content_type, 0, $pos);
-            }
-
-            if(!strstr($content_type, 'multipart/form-data'))
-                return $this->error400();
-
-            $parser   = new ParseMultiPartFormDataInputStream(file_get_contents('php://input'));
-            $input    = $parser->getInput();
-            $metadata = $input['parameters'];
-            $files    = $input['files'];
-            $file     = null;
-
-            if(isset($files['file']))
-                $file = $files['file'];
-
-            $rules      = SummitLocationImageValidationRulesFactory::build(true);
+            $data  = $request->all();
+            $rules = SummitLocationImageValidationRulesFactory::build(true);
             // Creates a Validator instance and validates the data.
-            $validation = Validator::make($metadata, $rules);
+            $validation = Validator::make($data, $rules);
 
             if ($validation->fails()) {
                 $messages = $validation->messages()->toArray();
@@ -2187,9 +2151,9 @@ final class OAuth2SummitLocationsApiController extends OAuth2ProtectedController
                 $image_id,
                 HTMLCleaner::cleanData
                 (
-                    $metadata, ['description']
+                    $data, ['description']
                 ),
-                $file
+                $request->hasFile('file') ? $request->file('file'):null
             );
 
             return $this->updated(SerializerRegistry::getInstance()->getSerializer($image)->serialize());
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index 57a9c3a6..dbaefe4e 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -21,6 +21,7 @@ class Kernel extends HttpKernel
         \Illuminate\View\Middleware\ShareErrorsFromSession::class,
         \App\Http\Middleware\CORSMiddleware::class,
         \App\Http\Middleware\SecurityHTTPHeadersWriterMiddleware::class,
+        \App\Http\Middleware\ParseMultipartFormDataInputForNonPostRequests::class,
     ];
 
     /**
diff --git a/app/Http/Middleware/ParseMultipartFormDataInputForNonPostRequests.php b/app/Http/Middleware/ParseMultipartFormDataInputForNonPostRequests.php
new file mode 100644
index 00000000..6d28847b
--- /dev/null
+++ b/app/Http/Middleware/ParseMultipartFormDataInputForNonPostRequests.php
@@ -0,0 +1,59 @@
+<?php namespace App\Http\Middleware;
+/**
+ * Copyright 2019 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use Closure;
+use utils\ParseMultiPartFormDataInputStream;
+/**
+ * Class ParseMultipartFormDataInputForNonPostRequests
+ * @package App\Http\Middleware
+ */
+final class ParseMultipartFormDataInputForNonPostRequests
+{
+    /*
+    * Content-Type: multipart/form-data - only works for POST requests. All others fail, this is a bug in PHP since 2011.
+    * See comments here: https://github.com/laravel/framework/issues/13457
+    *
+    * This middleware converts all multi-part/form-data for NON-POST requests, into a properly formatted
+    * request variable for Laravel 5.6. It uses the ParseInputStream class, found here:
+    * https://gist.github.com/devmycloud/df28012101fbc55d8de1737762b70348
+    */
+    public function handle($request, Closure $next)
+    {
+        if ($request->method() == 'POST' OR $request->method() == 'GET') {
+            return $next($request);
+        }
+
+        if (preg_match('/multipart\/form-data/', $request->headers->get('Content-Type')) or
+            preg_match('/multipart\/form-data/', $request->headers->get('content-type'))
+        ) {
+            $parser     = new ParseMultiPartFormDataInputStream(file_get_contents('php://input'));
+            $params     = $parser->getInput();
+            $files      = [];
+            $parameters = [];
+            foreach ($params as $key => $param) {
+                if ($param instanceof \Symfony\Component\HttpFoundation\File\UploadedFile) {
+                    $files[$key] = $param;
+                } else {
+                    $parameters[$key] = $param;
+                }
+            }
+            if (count($files) > 0) {
+                $request->files->add($files);
+            }
+            if (count($parameters) > 0) {
+                $request->request->add($parameters);
+            }
+        }
+        return $next($request);
+    }
+}
\ No newline at end of file
diff --git a/app/Http/Utils/FileTypes.php b/app/Http/Utils/FileTypes.php
new file mode 100644
index 00000000..a80afcd6
--- /dev/null
+++ b/app/Http/Utils/FileTypes.php
@@ -0,0 +1,24 @@
+<?php namespace App\Http\Utils;
+/**
+ * Copyright 2019 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+
+/**
+ * Class FileTypes
+ * @package App\Http\Utils
+ */
+final class FileTypes
+{
+    const SlidesExtensions = ['ppt', 'pptx', 'xps',  'key', 'pdf'];
+    const ImagesExntesions = ['jpg', 'jpeg', 'png', 'svg', 'bmp', 'tga', 'tiff', 'gif'];
+}
\ No newline at end of file
diff --git a/app/Http/Utils/ParseMultiPartFormDataInputStream.php b/app/Http/Utils/ParseMultiPartFormDataInputStream.php
index 80516a9d..dcc31e9d 100644
--- a/app/Http/Utils/ParseMultiPartFormDataInputStream.php
+++ b/app/Http/Utils/ParseMultiPartFormDataInputStream.php
@@ -235,7 +235,7 @@ final class ParseMultiPartFormDataInputStream
     {
         $string = trim($string);
         $data = [];
-        if ( preg_match('/name=\"(.*)\"\n*(.*)$/s', $string, $match) ) {
+        if ( preg_match('name=\"([^\"]*)\"[\n|\r]+([^\n\r].*)$', $string, $match) ) {
             if (preg_match('/^(.*)\[\]$/i', $match[1], $tmp)) {
                 $data[$tmp[1]][] = ($match[2] !== NULL ? $match[2] : '');
             } else {
diff --git a/app/Services/Model/IPresentationService.php b/app/Services/Model/IPresentationService.php
index fbd635dc..8aaadd38 100644
--- a/app/Services/Model/IPresentationService.php
+++ b/app/Services/Model/IPresentationService.php
@@ -1,5 +1,4 @@
 <?php namespace services\model;
-
 /**
  * Copyright 2016 OpenStack Foundation
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,7 +20,6 @@ use models\summit\PresentationSlide;
 use models\summit\PresentationVideo;
 use models\summit\Summit;
 use Illuminate\Http\Request as LaravelRequest;
-use Illuminate\Http\UploadedFile;
 /**
  * Interface IPresentationService
  * @package services\model
@@ -107,7 +105,7 @@ interface IPresentationService
         LaravelRequest $request,
         $presentation_id,
         array $slide_data,
-        array $allowed_extensions = ['ppt', 'pptx', 'xps',  'key', 'pdf', 'jpg', 'jpeg', 'png', 'svg', 'bmp', 'tga', 'tiff', 'gif'],
+        array $allowed_extensions = [],
         $max_file_size = 10485760
     );
 
@@ -116,7 +114,6 @@ interface IPresentationService
      * @param int $presentation_id
      * @param int $slide_id
      * @param array $slide_data
-     * @param UploadedFile $file
      * @param array $allowed_extensions
      * @param int $max_file_size
      * @return mixed|PresentationSlide
@@ -128,8 +125,7 @@ interface IPresentationService
         $presentation_id,
         $slide_id,
         array $slide_data,
-        UploadedFile $file = null,
-        array $allowed_extensions = ['ppt', 'pptx', 'xps',  'key', 'pdf', 'jpg', 'jpeg', 'png', 'svg', 'bmp', 'tga', 'tiff', 'gif'],
+        array $allowed_extensions = [],
         $max_file_size = 10485760
     );
 
diff --git a/app/Services/Model/PresentationService.php b/app/Services/Model/PresentationService.php
index 1c4c2e34..aec56ec5 100644
--- a/app/Services/Model/PresentationService.php
+++ b/app/Services/Model/PresentationService.php
@@ -623,7 +623,7 @@ final class PresentationService
         LaravelRequest $request,
         $presentation_id,
         array $slide_data,
-        array $allowed_extensions =  ['ppt', 'pptx', 'xps',  'key', 'pdf', 'jpg', 'jpeg', 'png', 'svg', 'bmp', 'tga', 'tiff', 'gif'],
+        array $allowed_extensions =  [],
         $max_file_size = 10485760
     )
     {
@@ -653,7 +653,7 @@ final class PresentationService
             $slide = PresentationSlideFactory::build($slide_data);
 
             // check if there is any file sent
-            if($request->hasFile('file')){
+            if($hasFile){
                 $file = $request->file('file');
                 if (!in_array($file->extension(), $allowed_extensions)) {
                     throw new ValidationException(
@@ -684,7 +684,6 @@ final class PresentationService
      * @param int $presentation_id
      * @param int $slide_id
      * @param array $slide_data
-     * @param UploadedFile $file
      * @param array $allowed_extensions
      * @param int $max_file_size
      * @return mixed|PresentationSlide
@@ -696,8 +695,7 @@ final class PresentationService
         $presentation_id,
         $slide_id,
         array $slide_data,
-        UploadedFile $file = null,
-        array $allowed_extensions = ['ppt', 'pptx', 'xps',  'key', 'pdf', 'jpg', 'jpeg', 'png', 'svg', 'bmp', 'tga', 'tiff', 'gif'],
+        array $allowed_extensions = [],
         $max_file_size = 10485760
     ){
 
@@ -708,8 +706,7 @@ final class PresentationService
             $slide_data,
             $max_file_size,
             $allowed_extensions,
-            $slide_id,
-            $file
+            $slide_id
         ) {
 
             $presentation = $this->presentation_repository->getById($presentation_id);
@@ -730,7 +727,7 @@ final class PresentationService
 
 
             $hasLink = isset($slide_data['link']) && !empty($slide_data['link']);
-            $hasFile = !is_null($file);
+            $hasFile = $request->hasFile('file');
 
             if($hasFile && $hasLink){
                 throw new ValidationException("you must provide a file or a link, not both.");
@@ -751,6 +748,7 @@ final class PresentationService
 
             // check if there is any file sent
             if($hasFile){
+                $file = $request->file('file');
                 if (!in_array($file->extension(), $allowed_extensions)) {
                     throw new ValidationException(
                         sprintf("file does not has a valid extension '(%s)'.", implode("','", $allowed_extensions)));