diff --git a/.env.example b/.env.example
index 56bc6d33..b6684070 100644
--- a/.env.example
+++ b/.env.example
@@ -62,3 +62,9 @@ SS_ENCRYPT_CYPHER=AES-256-CBC
 GOOGLE_CLIENT_ID=""
 GOOGLE_CLIENT_SECRET=""
 GOOGLE_SCOPES=""
+
+SSH_USER=
+SSH_PUBLIC_KEY=
+SSH_PRIVATE_KEY=
+SCP_HOST=
+SCP_REMOTE_BASE_PATH=/tmp
\ No newline at end of file
diff --git a/app/Events/FileCreated.php b/app/Events/FileCreated.php
new file mode 100644
index 00000000..3ecd9b55
--- /dev/null
+++ b/app/Events/FileCreated.php
@@ -0,0 +1,73 @@
+<?php namespace App\Events;
+/**
+ * Copyright 2017 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 Illuminate\Queue\SerializesModels;
+
+/**
+ * Class FileCreated
+ * @package App\Events
+ */
+final class FileCreated extends Event
+{
+    use SerializesModels;
+
+    /**
+     * @var string
+     */
+    private $local_path;
+
+    /**
+     * @var string
+     */
+    private $file_name;
+
+    /**
+     * @var string
+     */
+    private $folder_name;
+
+
+    public function __construct($local_path, $file_name, $folder_name)
+    {
+        $this->local_path  = $local_path;
+        $this->file_name   = $file_name;
+        $this->folder_name = $folder_name;
+    }
+
+    /**
+     * @return string
+     */
+    public function getLocalPath()
+    {
+        return $this->local_path;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFileName()
+    {
+        return $this->file_name;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFolderName()
+    {
+        return $this->folder_name;
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
index fd1aa853..3aaa7e8e 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
@@ -821,4 +821,42 @@ final class OAuth2SummitEventsApiController extends OAuth2ProtectedController
         return [$summit, $event, $data];
     }
 
+
+    public function addEventAttachment(LaravelRequest $request, $summit_id, $event_id){
+
+        try {
+
+            $file = $request->file('file');
+            if (is_null($file)) {
+                return $this->error412(array('file param not set!'));
+            }
+
+            $summit = SummitFinderStrategyFactory::build($this->repository)->find($summit_id);
+            if (is_null($summit)) return $this->error404();
+
+            $res = $this->service->addEventAttachment($summit, $event_id, $file);
+
+            return !is_null($res) ? $this->created($res->getId()) : $this->error400();
+        }
+        catch (EntityNotFoundException $ex1) {
+            Log::warning($ex1);
+            return $this->error404();
+        }
+        catch(ValidationException $ex2)
+        {
+            Log::warning($ex2);
+            return $this->error412(array($ex2->getMessage()));
+        }
+        catch(\HTTP401UnauthorizedException $ex3)
+        {
+            Log::warning($ex3);
+            return $this->error401();
+        }
+        catch (Exception $ex) {
+            Log::error($ex);
+
+            return $this->error500($ex);
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index c9fa9197..7a3a88cd 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -12,5 +12,5 @@ use Illuminate\Foundation\Auth\Access\AuthorizesResources;
  */
 class Controller extends BaseController
 {
-    use AuthorizesRequests, AuthorizesResources, DispatchesJobs, ValidatesRequests;
+    use AuthorizesRequests, DispatchesJobs, ValidatesRequests;
 }
diff --git a/app/Http/Controllers/JsonController.php b/app/Http/Controllers/JsonController.php
index 6d4e1b5d..7f9289ae 100644
--- a/app/Http/Controllers/JsonController.php
+++ b/app/Http/Controllers/JsonController.php
@@ -85,22 +85,22 @@ abstract class JsonController extends Controller
         return $res;
     }
 
-    protected function error400($data)
+    protected function error400($data = ['message' => 'Bad Request'])
     {
         return Response::json($data, 400);
     }
 
-    protected function error404($data = array('message' => 'Entity Not Found'))
+    protected function error404($data = ['message' => 'Entity Not Found'])
     {
         return Response::json($data, 404);
     }
 
-    protected function error403($data = array('message' => 'Forbidden'))
+    protected function error403($data = ['message' => 'Forbidden'])
     {
         return Response::json($data, 403);
     }
 
-    protected function error401($data = array('message' => 'You don\'t have access to this item through the API.'))
+    protected function error401($data = ['message' => 'You don\'t have access to this item through the API.'])
     {
         return Response::json($data, 401);
     }
diff --git a/app/Http/Utils/FileUploader.php b/app/Http/Utils/FileUploader.php
new file mode 100644
index 00000000..865b73ed
--- /dev/null
+++ b/app/Http/Utils/FileUploader.php
@@ -0,0 +1,53 @@
+<?php namespace App\Http\Utils;
+/**
+ * Copyright 2017 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 App\Events\FileCreated;
+use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\Storage;
+use models\main\File;
+use models\main\IFolderRepository;
+
+/**
+ * Class FileUploader
+ * @package App\Http\Utils
+ */
+final class FileUploader
+{
+    /**
+     * @var IFolderRepository
+     */
+    private $folder_repository;
+
+    public function __construct(IFolderRepository $folder_repository){
+        $this->folder_repository = $folder_repository;
+    }
+
+    /**
+     * @param UploadedFile $file
+     * @param $folder_name
+     * @return File
+     */
+    public function build(UploadedFile $file, $folder_name){
+        $attachment = new File();
+        $local_path = Storage::putFileAs(sprintf('/public/%s', $folder_name), $file, $file->getClientOriginalName());
+        $folder     = $this->folder_repository->getFolderByName($folder_name);
+        $attachment->setParent($folder);
+        $attachment->setName($file->getClientOriginalName());
+        $attachment->setFilename(sprintf("assets/%s/%s",$folder_name, $file->getClientOriginalName()));
+        $attachment->setTitle(str_replace(array('-','_'),' ', preg_replace('/\.[^.]+$/', '', $file->getClientOriginalName())));
+        $attachment->setShowInSearch(true);
+        Event::fire(new FileCreated($local_path, $file->getClientOriginalName(), $folder_name));
+        return $attachment;
+    }
+}
\ No newline at end of file
diff --git a/app/Http/routes.php b/app/Http/routes.php
index 7aed2f1b..42a834b3 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -194,6 +194,7 @@ Route::group([
                     Route::put('/publish', [ 'middleware' => 'auth.user:administrators', 'uses' => 'OAuth2SummitEventsApiController@publishEvent']);
                     Route::delete('/publish', [ 'middleware' => 'auth.user:administrators', 'uses' => 'OAuth2SummitEventsApiController@unPublishEvent']);
                     Route::post('/feedback', 'OAuth2SummitEventsApiController@addEventFeedback');
+                    Route::post('/attachment', 'OAuth2SummitEventsApiController@addEventAttachment');
                     Route::get('/feedback/{attendee_id?}',  ['middleware' => 'cache:'.Config::get('cache_api_response.get_event_feedback_response_lifetime', 300), 'uses' => 'OAuth2SummitEventsApiController@getEventFeedback'] )->where('attendee_id', 'me|[0-9]+');
                 });
             });
diff --git a/app/Models/Foundation/Main/AssetsSyncRequest.php b/app/Models/Foundation/Main/AssetsSyncRequest.php
new file mode 100644
index 00000000..c9ed9831
--- /dev/null
+++ b/app/Models/Foundation/Main/AssetsSyncRequest.php
@@ -0,0 +1,109 @@
+<?php namespace models\main;
+/**
+ * Copyright 2017 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 models\utils\SilverstripeBaseModel;
+use Doctrine\ORM\Mapping AS ORM;
+use DateTime;
+
+/**
+ * @ORM\Entity(repositoryClass="repositories\main\DoctrineAssetsSyncRequestRepository")
+ * @ORM\Table(name="AssetsSyncRequest")
+ * Class File
+ * @package models\main
+ */
+class AssetsSyncRequest extends SilverstripeBaseModel
+{
+    /**
+     * @ORM\Column(name="`From`", type="string")
+     */
+    private $from;
+
+    /**
+     * @ORM\Column(name="`To`", type="string")
+     */
+    private $to;
+
+    /**
+     * @ORM\Column(name="Processed", type="boolean")
+     */
+    private $processed;
+
+    /**
+     * @ORM\Column(name="ProcessedDate", type="datetime")
+     */
+    private $processed_date;
+
+    /**
+     * @return string
+     */
+    public function getFrom()
+    {
+        return $this->from;
+    }
+
+    /**
+     * @param string $from
+     */
+    public function setFrom($from)
+    {
+        $this->from = $from;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTo()
+    {
+        return $this->to;
+    }
+
+    /**
+     * @param string $to
+     */
+    public function setTo($to)
+    {
+        $this->to = $to;
+    }
+
+    /**
+     * @return string
+     */
+    public function getProcessed()
+    {
+        return $this->processed;
+    }
+
+    /**
+     * @param string $processed
+     */
+    public function setProcessed($processed)
+    {
+        $this->processed = $processed;
+    }
+
+    /**
+     * @return DateTime
+     */
+    public function getProcessedDate()
+    {
+        return $this->processed_date;
+    }
+
+    /**
+     * @param DateTime $processed_date
+     */
+    public function setProcessedDate($processed_date)
+    {
+        $this->processed_date = $processed_date;
+    }
+}
\ No newline at end of file
diff --git a/app/Models/Foundation/Main/File.php b/app/Models/Foundation/Main/File.php
index 95c08b29..194f7d32 100644
--- a/app/Models/Foundation/Main/File.php
+++ b/app/Models/Foundation/Main/File.php
@@ -11,12 +11,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
-
 use models\utils\SilverstripeBaseModel;
 use Doctrine\ORM\Mapping AS ORM;
-
 /**
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="repositories\main\DoctrineFolderRepository")
  * @ORM\Table(name="File")
  * Class File
  * @package models\main
@@ -28,20 +26,15 @@ class File extends SilverstripeBaseModel
      */
     private $name;
 
-    /**
-     * @return string
-     */
-    public function getName(){ return $this->name;}
-
     /**
      * @ORM\Column(name="Title", type="string")
      */
     private $title;
 
     /**
-     * @return string
+     * @ORM\Column(name="Content", type="string")
      */
-    public function getTitle(){ return $this->title;}
+    private $content;
 
     /**
      * @ORM\Column(name="Filename", type="string")
@@ -49,7 +42,134 @@ class File extends SilverstripeBaseModel
     private $filename;
 
     /**
-     * @return string
+     * @ORM\Column(name="ShowInSearch", type="boolean")
+     * @var bool
      */
-    public function getFilename(){ return $this->filename;}
+    private $show_in_search;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="models\main\File")
+     * @ORM\JoinColumn(name="ParentID", referencedColumnName="ID")
+     * @var File
+     */
+    private $parent;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="models\main\Member")
+     * @ORM\JoinColumn(name="OwnerID", referencedColumnName="ID")
+     * @var Member
+     */
+    private $owner;
+
+    /**
+     * @return mixed
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param mixed $name
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    /**
+     * @param mixed $title
+     */
+    public function setTitle($title)
+    {
+        $this->title = $title;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * @param mixed $content
+     */
+    public function setContent($content)
+    {
+        $this->content = $content;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getFilename()
+    {
+        return $this->filename;
+    }
+
+    /**
+     * @param mixed $filename
+     */
+    public function setFilename($filename)
+    {
+        $this->filename = $filename;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isShowInSearch()
+    {
+        return $this->show_in_search;
+    }
+
+    /**
+     * @param bool $show_in_search
+     */
+    public function setShowInSearch($show_in_search)
+    {
+        $this->show_in_search = $show_in_search;
+    }
+
+    /**
+     * @return File
+     */
+    public function getParent()
+    {
+        return $this->parent;
+    }
+
+    /**
+     * @param File $parent
+     */
+    public function setParent($parent)
+    {
+        $this->parent = $parent;
+    }
+
+    /**
+     * @return Member
+     */
+    public function getOwner()
+    {
+        return $this->owner;
+    }
+
+    /**
+     * @param Member $owner
+     */
+    public function setOwner($owner)
+    {
+        $this->owner = $owner;
+    }
 }
\ No newline at end of file
diff --git a/app/Models/Foundation/Main/Repositories/IAssetsSyncRequestRepository.php b/app/Models/Foundation/Main/Repositories/IAssetsSyncRequestRepository.php
new file mode 100644
index 00000000..f3cabd51
--- /dev/null
+++ b/app/Models/Foundation/Main/Repositories/IAssetsSyncRequestRepository.php
@@ -0,0 +1,22 @@
+<?php namespace models\main;
+/**
+ * Copyright 2017 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 models\utils\IBaseRepository;
+/**
+ * Interface IAssetsSyncRequestRepository
+ * @package models\main
+ */
+interface IAssetsSyncRequestRepository extends IBaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/app/Models/Foundation/Main/Repositories/IFolderRepository.php b/app/Models/Foundation/Main/Repositories/IFolderRepository.php
new file mode 100644
index 00000000..c4e13bdc
--- /dev/null
+++ b/app/Models/Foundation/Main/Repositories/IFolderRepository.php
@@ -0,0 +1,26 @@
+<?php namespace models\main;
+/**
+ * Copyright 2017 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 models\utils\IBaseRepository;
+/**
+ * Interface IFolderRepository
+ * @package models\main
+ */
+interface IFolderRepository extends IBaseRepository
+{
+    /**
+     * @param string $folder_name
+     * @return File
+     */
+    public function getFolderByName($folder_name);
+}
\ No newline at end of file
diff --git a/app/Models/Foundation/Summit/Events/SummitEventWithFile.php b/app/Models/Foundation/Summit/Events/SummitEventWithFile.php
index 19b39a80..cfb17703 100644
--- a/app/Models/Foundation/Summit/Events/SummitEventWithFile.php
+++ b/app/Models/Foundation/Summit/Events/SummitEventWithFile.php
@@ -31,7 +31,7 @@ class SummitEventWithFile extends SummitEvent
     }
 
     /**
-     * @ORM\ManyToOne(targetEntity="models\main\File")
+     * @ORM\ManyToOne(targetEntity="models\main\File",cascade={"persist"})
      * @ORM\JoinColumn(name="AttachmentID", referencedColumnName="ID")
      * @var File
      */
diff --git a/app/Providers/AuthServiceProvider.php b/app/Providers/AuthServiceProvider.php
index 57d88ea3..954c9a39 100644
--- a/app/Providers/AuthServiceProvider.php
+++ b/app/Providers/AuthServiceProvider.php
@@ -19,12 +19,11 @@ class AuthServiceProvider extends ServiceProvider
     /**
      * Register any application authentication / authorization services.
      *
-     * @param  \Illuminate\Contracts\Auth\Access\Gate  $gate
      * @return void
      */
-    public function boot(GateContract $gate)
+    public function boot()
     {
-        $this->registerPolicies($gate);
+        $this->registerPolicies();
 
         //
     }
diff --git a/app/Providers/EventServiceProvider.php b/app/Providers/EventServiceProvider.php
index e1b0593b..fbedca36 100644
--- a/app/Providers/EventServiceProvider.php
+++ b/app/Providers/EventServiceProvider.php
@@ -1,5 +1,16 @@
 <?php namespace App\Providers;
-
+/**
+ * Copyright 2017 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 App\Events\MyFavoritesAdd;
 use App\Events\SummitEventCreated;
 use App\Events\SummitEventDeleted;
@@ -7,13 +18,17 @@ use App\Events\SummitEventUpdated;
 use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
 use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
 use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Event;
 use LaravelDoctrine\ORM\Facades\Registry;
+use models\main\AssetsSyncRequest;
 use models\summit\SummitEntityEvent;
 use App\Events\MyScheduleAdd;
 use App\Events\MyScheduleRemove;
 use Doctrine\ORM\Event\PreUpdateEventArgs;
 use models\utils\PreRemoveEventArgs;
+use IDCT\Networking\Ssh\SftpClient;
+use IDCT\Networking\Ssh\Credentials;
 
 /**
  * Class EventServiceProvider
@@ -35,12 +50,11 @@ class EventServiceProvider extends ServiceProvider
 
     /**
      * Register any other events for your application.
-     * @param  \Illuminate\Contracts\Events\Dispatcher $events
      * @return void
      */
-    public function boot(DispatcherContract $events)
+    public function boot()
     {
-        parent::boot($events);
+        parent::boot();
 
         Event::listen(\App\Events\MyScheduleAdd::class, function($event)
         {
@@ -276,5 +290,39 @@ class EventServiceProvider extends ServiceProvider
 
         });
 
+        Event::listen(\App\Events\FileCreated::class, function($event)
+        {
+
+            $storage_path      = storage_path();
+            $local_path        = $event->getLocalPath();
+            $file_name         = $event->getFileName();
+            $folder_name       = $event->getFolderName();
+            $remote_base_path  = Config::get('scp.scp_remote_base_path', null);
+            $client            = new SftpClient();
+            $host              = Config::get('scp.scp_host', null);
+
+            $credentials       = Credentials::withPublicKey
+            (
+                Config::get('scp.ssh_user', null),
+                Config::get('scp.ssh_public_key', null),
+                Config::get('scp.ssh_private_key', null)
+            );
+
+            $client->setCredentials($credentials);
+            $client->connect($host);
+            $remote_destination = sprintf("%s/%s",$remote_base_path, $file_name);
+            $client->scpUpload(sprintf("%s/app/%s", $storage_path, $local_path), $remote_destination);
+            $client->close();
+
+            $asset_sync_request = new AssetsSyncRequest();
+            $asset_sync_request->setFrom($remote_destination);
+            $asset_sync_request->setTo(sprintf("%s/%s", $folder_name, $file_name));
+            $asset_sync_request->setProcessed(false);
+            $em = Registry::getManager('ss');
+            $em->persist($asset_sync_request);
+            $em->flush();
+
+        });
+
     }
 }
diff --git a/app/Providers/RouteServiceProvider.php b/app/Providers/RouteServiceProvider.php
index f7c28e92..b7c9690e 100644
--- a/app/Providers/RouteServiceProvider.php
+++ b/app/Providers/RouteServiceProvider.php
@@ -19,14 +19,12 @@ class RouteServiceProvider extends ServiceProvider
     /**
      * Define your route model bindings, pattern filters, etc.
      *
-     * @param  \Illuminate\Routing\Router  $router
      * @return void
      */
-    public function boot(Router $router)
+    public function boot()
     {
         //
-
-        parent::boot($router);
+        parent::boot();
     }
 
     /**
diff --git a/app/Repositories/Main/DoctrineAssetsSyncRequestRepository.php b/app/Repositories/Main/DoctrineAssetsSyncRequestRepository.php
new file mode 100644
index 00000000..3d3ae50d
--- /dev/null
+++ b/app/Repositories/Main/DoctrineAssetsSyncRequestRepository.php
@@ -0,0 +1,36 @@
+<?php namespace repositories\main;
+
+
+/**
+ * Copyright 2017 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 App\Repositories\SilverStripeDoctrineRepository;
+use models\main\AssetsSyncRequest;
+use models\main\IAssetsSyncRequestRepository;
+
+/**
+ * Class DoctrineAssetsSyncRequestRepository
+ * @package repositories\main
+ */
+class DoctrineAssetsSyncRequestRepository
+    extends SilverStripeDoctrineRepository
+    implements IAssetsSyncRequestRepository
+{
+
+    /**
+     * @return string
+     */
+    protected function getBaseEntity()
+    {
+        return AssetsSyncRequest::class;
+    }
+}
\ No newline at end of file
diff --git a/app/Repositories/Main/DoctrineFolderRepository.php b/app/Repositories/Main/DoctrineFolderRepository.php
new file mode 100644
index 00000000..0a45e02e
--- /dev/null
+++ b/app/Repositories/Main/DoctrineFolderRepository.php
@@ -0,0 +1,56 @@
+<?php namespace repositories\main;
+/**
+ * Copyright 2017 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 App\Repositories\SilverStripeDoctrineRepository;
+use Doctrine\ORM\Query\ResultSetMappingBuilder;
+use models\main\File;
+use models\main\IFolderRepository;
+/**
+ * Class DoctrineFolderRepository
+ * @package repositories\main
+ */
+final class DoctrineFolderRepository
+    extends SilverStripeDoctrineRepository
+    implements IFolderRepository
+{
+
+    /**
+     * @param string $folder_name
+     * @return File
+     */
+    public function getFolderByName($folder_name)
+    {
+
+        $query = <<<SQL
+      select * from File where ClassName = 'Folder' AND 
+      Name = :folder_name
+SQL;
+
+        // build rsm here
+        $rsm = new ResultSetMappingBuilder($this->_em);
+        $rsm->addRootEntityFromClassMetadata(\models\main\File::class, 'f');
+        $native_query = $this->_em->createNativeQuery($query, $rsm);
+
+        $native_query->setParameter("folder_name", $folder_name);
+
+        return $native_query->getSingleResult();
+    }
+
+    /**
+     * @return string
+     */
+    protected function getBaseEntity()
+    {
+        return File::class;
+    }
+}
\ No newline at end of file
diff --git a/app/Repositories/RepositoriesProvider.php b/app/Repositories/RepositoriesProvider.php
index 2003f484..ec64117e 100644
--- a/app/Repositories/RepositoriesProvider.php
+++ b/app/Repositories/RepositoriesProvider.php
@@ -14,6 +14,9 @@
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\ServiceProvider;
 use LaravelDoctrine\ORM\Facades\EntityManager;
+use models\main\AssetsSyncRequest;
+use models\main\File;
+
 /**
  * Class RepositoriesProvider
  * @package repositories
@@ -181,5 +184,17 @@ final class RepositoriesProvider extends ServiceProvider
             function(){
                 return  EntityManager::getRepository(\App\Models\Foundation\Marketplace\RemoteCloudService::class);
             });
+
+        App::singleton(
+            'models\main\IFolderRepository',
+            function(){
+                return  EntityManager::getRepository(File::class);
+            });
+
+        App::singleton(
+            'models\main\IAssetsSyncRequestRepository',
+            function(){
+                return  EntityManager::getRepository(AssetsSyncRequest::class);
+            });
     }
 }
\ No newline at end of file
diff --git a/app/Services/Model/ISummitService.php b/app/Services/Model/ISummitService.php
index 4b581575..a674a783 100644
--- a/app/Services/Model/ISummitService.php
+++ b/app/Services/Model/ISummitService.php
@@ -1,7 +1,9 @@
 <?php namespace services\model;
 
+use Illuminate\Http\UploadedFile;
 use models\exceptions\EntityNotFoundException;
 use models\exceptions\ValidationException;
+use models\main\File;
 use models\main\Member;
 use models\summit\ConfirmationExternalOrderRequest;
 use models\summit\Summit;
@@ -146,4 +148,15 @@ interface ISummitService
      * @return bool
      */
     public function unRSVPEvent(Summit $summit ,Member $member, $event_id);
+
+    /**
+     * @param Summit $summit
+     * @param int $event_id
+     * @param UploadedFile $file
+     * @param int $max_file_size
+     * @throws ValidationException
+     * @throws EntityNotFoundException
+     * @return File
+     */
+    public function addEventAttachment(Summit $summit, $event_id, UploadedFile $file,  $max_file_size = 10485760);
 }
\ No newline at end of file
diff --git a/app/Services/Model/SummitService.php b/app/Services/Model/SummitService.php
index af7d7964..23e57aad 100644
--- a/app/Services/Model/SummitService.php
+++ b/app/Services/Model/SummitService.php
@@ -15,11 +15,16 @@ use App\Events\MyFavoritesAdd;
 use App\Events\MyFavoritesRemove;
 use App\Events\MyScheduleAdd;
 use App\Events\MyScheduleRemove;
+use App\Http\Utils\FileUploader;
 use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
 use GuzzleHttp\Exception\ClientException;
+use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\Storage;
 use models\exceptions\EntityNotFoundException;
 use models\exceptions\ValidationException;
+use models\main\File;
+use models\main\IFolderRepository;
 use models\main\IMemberRepository;
 use models\main\ITagRepository;
 use Models\foundation\summit\EntityEvents\EntityEventTypeFactory;
@@ -42,6 +47,7 @@ use models\summit\SummitAttendeeTicket;
 use models\summit\SummitEvent;
 use models\summit\SummitEventFactory;
 use models\summit\SummitEventFeedback;
+use models\summit\SummitEventWithFile;
 use services\apis\IEventbriteAPI;
 use libs\utils\ITransactionService;
 use Exception;
@@ -113,6 +119,11 @@ final class SummitService implements ISummitService
      */
     private $calendar_sync_work_request_repository;
 
+    /**
+     * @var IFolderRepository
+     */
+    private $folder_repository;
+
     /**
      * SummitService constructor.
      * @param ISummitEventRepository $event_repository
@@ -122,9 +133,10 @@ final class SummitService implements ISummitService
      * @param ISummitAttendeeRepository $attendee_repository
      * @param IMemberRepository $member_repository
      * @param ITagRepository $tag_repository
-     * @param IRSVPRepository $rsvp_repository,
+     * @param IRSVPRepository $rsvp_repository
      * @param IAbstractCalendarSyncWorkRequestRepository $calendar_sync_work_request_repository
      * @param IEventbriteAPI $eventbrite_api
+     * @param IFolderRepository $folder_repository
      * @param ITransactionService $tx_service
      */
     public function __construct
@@ -139,6 +151,7 @@ final class SummitService implements ISummitService
         IRSVPRepository                 $rsvp_repository,
         IAbstractCalendarSyncWorkRequestRepository $calendar_sync_work_request_repository,
         IEventbriteAPI                  $eventbrite_api,
+        IFolderRepository               $folder_repository,
         ITransactionService             $tx_service
     )
     {
@@ -152,6 +165,7 @@ final class SummitService implements ISummitService
         $this->rsvp_repository                       = $rsvp_repository;
         $this->calendar_sync_work_request_repository = $calendar_sync_work_request_repository;
         $this->eventbrite_api                        = $eventbrite_api;
+        $this->folder_repository                     = $folder_repository;
         $this->tx_service                            = $tx_service;
     }
 
@@ -985,4 +999,46 @@ final class SummitService implements ISummitService
             return true;
         });
     }
+
+    /**
+     * @param Summit $summit
+     * @param int $event_id
+     * @param UploadedFile $file
+     * @param int $max_file_size
+     * @throws ValidationException
+     * @throws EntityNotFoundException
+     * @return File
+     */
+    public function addEventAttachment(Summit $summit, $event_id, UploadedFile $file,  $max_file_size = 10485760)
+    {
+        return $this->tx_service->transaction(function () use ($summit, $event_id, $file, $max_file_size) {
+
+            $allowed_extensions = ['png','jpg','jpeg','gif','pdf'];
+
+            $event = $summit->getEvent($event_id);
+
+            if (is_null($event)) {
+                throw new EntityNotFoundException('event not found on summit!');
+            }
+
+            if(!$event instanceof SummitEventWithFile){
+                throw new ValidationException(sprintf("event id %s does not allow attachments!", $event_id));
+            }
+
+            if(!in_array($file->extension(), $allowed_extensions)){
+                throw new ValidationException("file does not has a valid extension ('png','jpg','jpeg','gif','pdf').");
+            }
+
+            if($file->getSize() > $max_file_size)
+            {
+                throw new ValidationException(sprintf( "file exceeds max_file_size (%s MB).", ($max_file_size/1024)/1024));
+            }
+
+            $uploader   = new FileUploader($this->folder_repository);
+            $attachment = $uploader->build($file, 'summit-event-attachments');
+            $event->setAttachment($attachment);
+
+            return $attachment;
+        });
+    }
 }
\ No newline at end of file
diff --git a/bindep.txt b/bindep.txt
new file mode 100644
index 00000000..db9ab84f
--- /dev/null
+++ b/bindep.txt
@@ -0,0 +1,32 @@
+mcrypt
+
+php [platform:ubuntu-xenial]
+php5 [platform:dpkg !platform:ubuntu-xenial]
+
+php-cli [platform:rpm platform:ubuntu-xenial]
+php5-cli [platform:dpkg !platform:ubuntu-xenial]
+
+php-common  [platform:ubuntu-xenial]
+php5-common [platform:dpkg !platform:ubuntu-xenial]
+
+php-curl [platform:rpm platform:ubuntu-xenial]
+php5-curl [platform:dpkg !platform:ubuntu-xenial]
+
+php-gd [platform:rpm platform:ubuntu-xenial]
+php5-gd [platform:dpkg !platform:ubuntu-xenial]
+
+php-json [platform:rpm platform:ubuntu-xenial]
+php5-json [platform:dpkg !platform:ubuntu-xenial]
+
+php-mysql [platform:rpm platform:ubuntu-xenial]
+php5-mysql [platform:dpkg !platform:ubuntu-xenial]
+
+php-gmp [platform:rpm platform:ubuntu-xenial]
+php5-gmp [platform:dpkg !platform:ubuntu-xenial]
+
+php-mcrypt [platform:ubuntu-xenial]
+php5-mcrypt [platform:dpkg !platform:ubuntu-xenial]
+
+php-ssh2 [platform:ubuntu-xenial]
+php5-ssh2 [platform:dpkg !platform:ubuntu-xenial]
+
diff --git a/composer.json b/composer.json
index dbbec434..ffdb2bff 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     "type": "project",
     "require": {
         "php": ">=5.5.9",
-        "laravel/framework": "5.2.*",
+        "laravel/framework": "5.3.*",
         "predis/predis": "1.0.1",
         "ezyang/htmlpurifier": "4.7.0",
         "glenscott/url-normalizer" : "^1.4",
@@ -24,8 +24,8 @@
     "require-dev": {
         "fzaninotto/faker": "~1.4",
         "phpunit/phpunit": "~4.0",
-        "symfony/css-selector": "2.8.*|3.0.*",
-        "symfony/dom-crawler": "2.8.*|3.0.*",
+        "symfony/css-selector": "3.1.*",
+        "symfony/dom-crawler": "3.1.*",
         "mockery/mockery": "^0.9.9"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index f2181548..0d5b13ea 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "ead830c8e3853358c3bb00fa8888dc3f",
+    "content-hash": "e6753f00d5d0a8310c65d999f774b885",
     "packages": [
         {
             "name": "classpreloader/classpreloader",
@@ -687,12 +687,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/doctrine2.git",
-                "reference": "049470c787467e2c7f5a267b8b86c5a5d28498fc"
+                "reference": "c811c3ac8486c2a16626e04cc85dde31cab1db57"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/doctrine2/zipball/049470c787467e2c7f5a267b8b86c5a5d28498fc",
-                "reference": "049470c787467e2c7f5a267b8b86c5a5d28498fc",
+                "url": "https://api.github.com/repos/doctrine/doctrine2/zipball/c811c3ac8486c2a16626e04cc85dde31cab1db57",
+                "reference": "c811c3ac8486c2a16626e04cc85dde31cab1db57",
                 "shasum": ""
             },
             "require": {
@@ -755,7 +755,7 @@
                 "database",
                 "orm"
             ],
-            "time": "2017-11-12T11:25:46+00:00"
+            "time": "2017-11-24T01:43:33+00:00"
         },
         {
             "name": "eluceo/ical",
@@ -1001,16 +1001,16 @@
         },
         {
             "name": "google/apiclient-services",
-            "version": "v0.34",
+            "version": "v0.35",
             "source": {
                 "type": "git",
                 "url": "https://github.com/google/google-api-php-client-services.git",
-                "reference": "4d0d438e323929579cabf0b4d420177a96835c6d"
+                "reference": "8c3926a9dafcd1bc86e5af06a1bb7e4aa931c73c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/google/google-api-php-client-services/zipball/4d0d438e323929579cabf0b4d420177a96835c6d",
-                "reference": "4d0d438e323929579cabf0b4d420177a96835c6d",
+                "url": "https://api.github.com/repos/google/google-api-php-client-services/zipball/8c3926a9dafcd1bc86e5af06a1bb7e4aa931c73c",
+                "reference": "8c3926a9dafcd1bc86e5af06a1bb7e4aa931c73c",
                 "shasum": ""
             },
             "require": {
@@ -1034,7 +1034,7 @@
             "keywords": [
                 "google"
             ],
-            "time": "2017-11-11T00:27:24+00:00"
+            "time": "2017-11-18T00:23:16+00:00"
         },
         {
             "name": "google/auth",
@@ -1262,6 +1262,52 @@
             ],
             "time": "2017-10-07T03:19:56+00:00"
         },
+        {
+            "name": "idct/sftp-client",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ideaconnect/idct-sftp-client.git",
+                "reference": "d0362d7b7332cc376fa82d2aa540261bc60f257a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ideaconnect/idct-sftp-client/zipball/d0362d7b7332cc376fa82d2aa540261bc60f257a",
+                "reference": "d0362d7b7332cc376fa82d2aa540261bc60f257a",
+                "shasum": ""
+            },
+            "require": {
+                "ext-ssh2": ">=0.12",
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "IDCT\\Networking\\Ssh\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bartosz Pachołek",
+                    "email": "bartosz@ideaconnect.pl",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that provides wrapper methods around SSH2 and SFTP to simplify file download/upload over SSH/SCP/SFTP.",
+            "homepage": "https://github.com/ideaconnect/idct-sftp-client",
+            "keywords": [
+                "idct",
+                "scp",
+                "sftp",
+                "ssh",
+                "ssh2"
+            ],
+            "time": "2017-09-19 15:52:12"
+        },
         {
             "name": "ircmaxell/password-compat",
             "version": "1.0.x-dev",
@@ -1586,16 +1632,16 @@
         },
         {
             "name": "laravel/framework",
-            "version": "5.2.x-dev",
+            "version": "5.3.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/framework.git",
-                "reference": "f61a75d2a3a0cd99ec2e28d3d3de2753824df876"
+                "reference": "4ab4e5f9470939e1c853196e1d5c84830c8b22e3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/framework/zipball/f61a75d2a3a0cd99ec2e28d3d3de2753824df876",
-                "reference": "f61a75d2a3a0cd99ec2e28d3d3de2753824df876",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/4ab4e5f9470939e1c853196e1d5c84830c8b22e3",
+                "reference": "4ab4e5f9470939e1c853196e1d5c84830c8b22e3",
                 "shasum": ""
             },
             "require": {
@@ -1608,20 +1654,20 @@
                 "monolog/monolog": "~1.11",
                 "mtdowling/cron-expression": "~1.0",
                 "nesbot/carbon": "~1.20",
-                "paragonie/random_compat": "~1.4",
-                "php": ">=5.5.9",
-                "psy/psysh": "0.7.*",
-                "swiftmailer/swiftmailer": "~5.1",
-                "symfony/console": "2.8.*|3.0.*",
-                "symfony/debug": "2.8.*|3.0.*",
-                "symfony/finder": "2.8.*|3.0.*",
-                "symfony/http-foundation": "2.8.*|3.0.*",
-                "symfony/http-kernel": "2.8.*|3.0.*",
-                "symfony/polyfill-php56": "~1.0",
-                "symfony/process": "2.8.*|3.0.*",
-                "symfony/routing": "2.8.*|3.0.*",
-                "symfony/translation": "2.8.*|3.0.*",
-                "symfony/var-dumper": "2.8.*|3.0.*",
+                "paragonie/random_compat": "~1.4|~2.0",
+                "php": ">=5.6.4",
+                "psy/psysh": "0.7.*|0.8.*",
+                "ramsey/uuid": "~3.0",
+                "swiftmailer/swiftmailer": "~5.4",
+                "symfony/console": "3.1.*",
+                "symfony/debug": "3.1.*",
+                "symfony/finder": "3.1.*",
+                "symfony/http-foundation": "3.1.*",
+                "symfony/http-kernel": "3.1.*",
+                "symfony/process": "3.1.*",
+                "symfony/routing": "3.1.*",
+                "symfony/translation": "3.1.*",
+                "symfony/var-dumper": "3.1.*",
                 "vlucas/phpdotenv": "~2.2"
             },
             "replace": {
@@ -1643,6 +1689,7 @@
                 "illuminate/http": "self.version",
                 "illuminate/log": "self.version",
                 "illuminate/mail": "self.version",
+                "illuminate/notifications": "self.version",
                 "illuminate/pagination": "self.version",
                 "illuminate/pipeline": "self.version",
                 "illuminate/queue": "self.version",
@@ -1659,10 +1706,10 @@
                 "aws/aws-sdk-php": "~3.0",
                 "mockery/mockery": "~0.9.4",
                 "pda/pheanstalk": "~3.0",
-                "phpunit/phpunit": "~4.1",
+                "phpunit/phpunit": "~5.4",
                 "predis/predis": "~1.0",
-                "symfony/css-selector": "2.8.*|3.0.*",
-                "symfony/dom-crawler": "2.8.*|3.0.*"
+                "symfony/css-selector": "3.1.*",
+                "symfony/dom-crawler": "3.1.*"
             },
             "suggest": {
                 "aws/aws-sdk-php": "Required to use the SQS queue driver and SES mail driver (~3.0).",
@@ -1674,20 +1721,17 @@
                 "pda/pheanstalk": "Required to use the beanstalk queue driver (~3.0).",
                 "predis/predis": "Required to use the redis cache and queue drivers (~1.0).",
                 "pusher/pusher-php-server": "Required to use the Pusher broadcast driver (~2.0).",
-                "symfony/css-selector": "Required to use some of the crawler integration testing tools (2.8.*|3.0.*).",
-                "symfony/dom-crawler": "Required to use most of the crawler integration testing tools (2.8.*|3.0.*).",
+                "symfony/css-selector": "Required to use some of the crawler integration testing tools (3.1.*).",
+                "symfony/dom-crawler": "Required to use most of the crawler integration testing tools (3.1.*).",
                 "symfony/psr-http-message-bridge": "Required to use psr7 bridging features (0.2.*)."
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.2-dev"
+                    "dev-master": "5.3-dev"
                 }
             },
             "autoload": {
-                "classmap": [
-                    "src/Illuminate/Queue/IlluminateQueueClosure.php"
-                ],
                 "files": [
                     "src/Illuminate/Foundation/helpers.php",
                     "src/Illuminate/Support/helpers.php"
@@ -1703,16 +1747,16 @@
             "authors": [
                 {
                     "name": "Taylor Otwell",
-                    "email": "taylorotwell@gmail.com"
+                    "email": "taylor@laravel.com"
                 }
             ],
             "description": "The Laravel Framework.",
-            "homepage": "http://laravel.com",
+            "homepage": "https://laravel.com",
             "keywords": [
                 "framework",
                 "laravel"
             ],
-            "time": "2017-08-12T11:47:23+00:00"
+            "time": "2017-08-12T11:52:23+00:00"
         },
         {
             "name": "league/flysystem",
@@ -1720,12 +1764,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/flysystem.git",
-                "reference": "8f4639a34cabf69c300814258e6eadc13b0f1aed"
+                "reference": "3b7394d78ad5936dab8a7041c63ac83722af27d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/8f4639a34cabf69c300814258e6eadc13b0f1aed",
-                "reference": "8f4639a34cabf69c300814258e6eadc13b0f1aed",
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+            "version": "3.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/routing.git",
-                "reference": "9038984bd9c05ab07280121e9e10f61a7231457b"
+                "reference": "f25581d4eb0a82962c291917f826166f0dcd8a9a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/9038984bd9c05ab07280121e9e10f61a7231457b",
-                "reference": "9038984bd9c05ab07280121e9e10f61a7231457b",
+                "url": "https://api.github.com/repos/symfony/routing/zipball/f25581d4eb0a82962c291917f826166f0dcd8a9a",
+                "reference": "f25581d4eb0a82962c291917f826166f0dcd8a9a",
                 "shasum": ""
             },
             "require": {
@@ -3438,7 +3566,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -3471,7 +3599,7 @@
                 "uri",
                 "url"
             ],
-            "time": "2016-06-29T05:40:00+00:00"
+            "time": "2017-01-28T00:04:57+00:00"
         },
         {
             "name": "symfony/serializer",
@@ -3539,16 +3667,16 @@
         },
         {
             "name": "symfony/translation",
-            "version": "3.0.x-dev",
+            "version": "3.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "eee6c664853fd0576f21ae25725cfffeafe83f26"
+                "reference": "d5a20fab5f63f44c233c69b3041c3cb1d4945e45"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/eee6c664853fd0576f21ae25725cfffeafe83f26",
-                "reference": "eee6c664853fd0576f21ae25725cfffeafe83f26",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/d5a20fab5f63f44c233c69b3041c3cb1d4945e45",
+                "reference": "d5a20fab5f63f44c233c69b3041c3cb1d4945e45",
                 "shasum": ""
             },
             "require": {
@@ -3572,7 +3700,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -3599,20 +3727,20 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-30T07:22:48+00:00"
+            "time": "2017-01-21T17:01:39+00:00"
         },
         {
             "name": "symfony/var-dumper",
-            "version": "3.0.x-dev",
+            "version": "3.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "1f7e071aafc6676fcb6e3f0497f87c2397247377"
+                "reference": "16df11647e5b992d687cb4eeeb9a882d5f5c26b9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/1f7e071aafc6676fcb6e3f0497f87c2397247377",
-                "reference": "1f7e071aafc6676fcb6e3f0497f87c2397247377",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/16df11647e5b992d687cb4eeeb9a882d5f5c26b9",
+                "reference": "16df11647e5b992d687cb4eeeb9a882d5f5c26b9",
                 "shasum": ""
             },
             "require": {
@@ -3628,7 +3756,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -3662,7 +3790,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2016-07-26T08:03:56+00:00"
+            "time": "2017-01-24T13:02:38+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -3670,19 +3798,19 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/vlucas/phpdotenv.git",
-                "reference": "828d19e597052ddeee65890bb2b1a0912d79fea8"
+                "reference": "ec37c495d56b68f103acafa95fec5ed39b14d7db"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/828d19e597052ddeee65890bb2b1a0912d79fea8",
-                "reference": "828d19e597052ddeee65890bb2b1a0912d79fea8",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/ec37c495d56b68f103acafa95fec5ed39b14d7db",
+                "reference": "ec37c495d56b68f103acafa95fec5ed39b14d7db",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.9"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8 || ^5.0"
+                "phpunit/phpunit": "^4.8.35 || ^5.0"
             },
             "type": "library",
             "extra": {
@@ -3712,7 +3840,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2017-10-10T06:32:45+00:00"
+            "time": "2017-11-24T14:28:50+00:00"
         }
     ],
     "packages-dev": [
@@ -3938,22 +4066,22 @@
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "3.2.2",
+            "version": "3.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "4aada1f93c72c35e22fb1383b47fee43b8f1d157"
+                "reference": "bf329f6c1aadea3299f08ee804682b7c45b326a2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/4aada1f93c72c35e22fb1383b47fee43b8f1d157",
-                "reference": "4aada1f93c72c35e22fb1383b47fee43b8f1d157",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/bf329f6c1aadea3299f08ee804682b7c45b326a2",
+                "reference": "bf329f6c1aadea3299f08ee804682b7c45b326a2",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5",
-                "phpdocumentor/reflection-common": "^1.0@dev",
-                "phpdocumentor/type-resolver": "^0.3.0",
+                "php": "^5.6 || ^7.0",
+                "phpdocumentor/reflection-common": "^1.0.0",
+                "phpdocumentor/type-resolver": "^0.4.0",
                 "webmozart/assert": "^1.0"
             },
             "require-dev": {
@@ -3979,20 +4107,20 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2017-08-08T06:39:58+00:00"
+            "time": "2017-11-10T14:09:06+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "0.3.0",
+            "version": "0.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "fb3933512008d8162b3cdf9e18dba9309b7c3773"
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/fb3933512008d8162b3cdf9e18dba9309b7c3773",
-                "reference": "fb3933512008d8162b3cdf9e18dba9309b7c3773",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/9c977708995954784726e25d0cd1dddf4e65b0f7",
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7",
                 "shasum": ""
             },
             "require": {
@@ -4026,7 +4154,7 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2017-06-03T08:32:36+00:00"
+            "time": "2017-07-14T14:27:02+00:00"
         },
         {
             "name": "phpspec/prophecy",
@@ -4034,12 +4162,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "ddd9d7ffff1d7c3acd1a79a8e21d5ee5ea7beace"
+                "reference": "e4ed002c67da8eceb0eb8ddb8b3847bb53c5c2bf"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/ddd9d7ffff1d7c3acd1a79a8e21d5ee5ea7beace",
-                "reference": "ddd9d7ffff1d7c3acd1a79a8e21d5ee5ea7beace",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/e4ed002c67da8eceb0eb8ddb8b3847bb53c5c2bf",
+                "reference": "e4ed002c67da8eceb0eb8ddb8b3847bb53c5c2bf",
                 "shasum": ""
             },
             "require": {
@@ -4089,7 +4217,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2017-11-07T12:00:44+00:00"
+            "time": "2017-11-24T13:59:53+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -4159,12 +4287,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "63304292f3cf89b2382b90dd7a2abf9e0ba232f9"
+                "reference": "8ebba84e5bd74fc5fdeb916b38749016c7232f93"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/63304292f3cf89b2382b90dd7a2abf9e0ba232f9",
-                "reference": "63304292f3cf89b2382b90dd7a2abf9e0ba232f9",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/8ebba84e5bd74fc5fdeb916b38749016c7232f93",
+                "reference": "8ebba84e5bd74fc5fdeb916b38749016c7232f93",
                 "shasum": ""
             },
             "require": {
@@ -4198,7 +4326,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2017-10-30T04:21:02+00:00"
+            "time": "2017-11-24T15:00:59+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -4841,16 +4969,16 @@
         },
         {
             "name": "symfony/css-selector",
-            "version": "3.0.x-dev",
+            "version": "3.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "b8999c1f33c224b2b66b38253f5e3a838d0d0115"
+                "reference": "722a87478a72d95dc2a3bcf41dc9c2d13fd4cb2d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/b8999c1f33c224b2b66b38253f5e3a838d0d0115",
-                "reference": "b8999c1f33c224b2b66b38253f5e3a838d0d0115",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/722a87478a72d95dc2a3bcf41dc9c2d13fd4cb2d",
+                "reference": "722a87478a72d95dc2a3bcf41dc9c2d13fd4cb2d",
                 "shasum": ""
             },
             "require": {
@@ -4859,7 +4987,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -4890,20 +5018,20 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2016-06-29T05:40:00+00:00"
+            "time": "2017-01-02T20:31:54+00:00"
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "3.0.x-dev",
+            "version": "3.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "dff8fecf1f56990d88058e3a1885c2a5f1b8e970"
+                "reference": "7eede2a901a19928494194f7d1815a77b9a473a0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/dff8fecf1f56990d88058e3a1885c2a5f1b8e970",
-                "reference": "dff8fecf1f56990d88058e3a1885c2a5f1b8e970",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/7eede2a901a19928494194f7d1815a77b9a473a0",
+                "reference": "7eede2a901a19928494194f7d1815a77b9a473a0",
                 "shasum": ""
             },
             "require": {
@@ -4919,7 +5047,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -4946,7 +5074,7 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2016-07-30T07:22:48+00:00"
+            "time": "2017-01-21T17:13:55+00:00"
         },
         {
             "name": "symfony/yaml",
@@ -5058,7 +5186,8 @@
     "minimum-stability": "dev",
     "stability-flags": {
         "smarcet/caldavclient": 20,
-        "smarcet/outlook-rest-client": 20
+        "smarcet/outlook-rest-client": 20,
+        "idct/sftp-client": 20
     },
     "prefer-stable": false,
     "prefer-lowest": false,
diff --git a/config/scp.php b/config/scp.php
new file mode 100644
index 00000000..c4bd28cc
--- /dev/null
+++ b/config/scp.php
@@ -0,0 +1,22 @@
+<?php
+/**
+ * Copyright 2017 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.
+ **/
+
+return
+[
+    'ssh_user'             => env('SSH_USER', ''),
+    'ssh_public_key'       => env('SSH_PUBLIC_KEY', ''),
+    'ssh_private_key'      => env('SSH_PRIVATE_KEY', ''),
+    'scp_host'             => env('SCP_HOST', ''),
+    'scp_remote_base_path' => env('SCP_REMOTE_BASE_PATH', ''),
+];
\ No newline at end of file
diff --git a/database/seeds/ApiEndpointsSeeder.php b/database/seeds/ApiEndpointsSeeder.php
index b626d34a..453328d9 100644
--- a/database/seeds/ApiEndpointsSeeder.php
+++ b/database/seeds/ApiEndpointsSeeder.php
@@ -230,6 +230,12 @@ class ApiEndpointsSeeder extends Seeder
                 'http_method' => 'POST',
                 'scopes' => [sprintf('%s/summits/write', $current_realm)],
             ),
+            array(
+                'name' => 'add-event-attachment',
+                'route' => '/api/v1/summits/{id}/events/{event_id}/attachment',
+                'http_method' => 'POST',
+                'scopes' => [sprintf('%s/summits/write', $current_realm)],
+            ),
             array(
                 'name' => 'add-event-feedback-v2',
                 'route' => '/api/v2/summits/{id}/events/{event_id}/feedback',