From d4729427aa9a267b79edcfe8cab2c1e88f6f5279 Mon Sep 17 00:00:00 2001
From: Dane Everitt <dane@daneeveritt.com>
Date: Wed, 16 Nov 2016 17:22:22 -0500
Subject: [PATCH] Support for uploading templates for installing packs

---
 app/Http/Controllers/Admin/PackController.php | 32 ++++++-
 app/Http/Routes/AdminRoutes.php               |  7 ++
 app/Repositories/ServiceRepository/Pack.php   | 96 +++++++++++++++++--
 .../admin/services/packs/byoption.blade.php   | 18 +++-
 .../views/admin/services/packs/new.blade.php  |  2 +-
 .../admin/services/packs/upload.blade.php     | 45 +++++++++
 6 files changed, 187 insertions(+), 13 deletions(-)
 create mode 100644 resources/views/admin/services/packs/upload.blade.php

diff --git a/app/Http/Controllers/Admin/PackController.php b/app/Http/Controllers/Admin/PackController.php
index e16c94686..acb05c7a7 100644
--- a/app/Http/Controllers/Admin/PackController.php
+++ b/app/Http/Controllers/Admin/PackController.php
@@ -97,7 +97,6 @@ class PackController extends Controller
 
     public function new(Request $request, $opt = null)
     {
-
         return view('admin.services.packs.new', [
             'services' => $this->formatServices(),
             'packFor' => $opt,
@@ -106,7 +105,6 @@ class PackController extends Controller
 
     public function create(Request $request)
     {
-        // dd($request->all());
         try {
             $repo = new Pack;
             $id = $repo->create($request->except([
@@ -123,7 +121,6 @@ class PackController extends Controller
             Alert::danger('An error occured while attempting to add a new service pack.')->flash();
         }
         return redirect()->route('admin.services.packs.new', $request->input('option'))->withInput();
-
     }
 
     public function edit(Request $request, $id)
@@ -179,7 +176,7 @@ class PackController extends Controller
         if ((bool) $files) {
             $zip = new \ZipArchive;
             if (!$zip->open($filename, \ZipArchive::CREATE)) {
-                exit("cannot open <$filename>\n");
+                abort(503, 'Unable to open file for writing.');
             }
 
             $files = Storage::files('packs/' . $pack->uuid);
@@ -200,4 +197,31 @@ class PackController extends Controller
             ])->deleteFileAfterSend(true);
         }
     }
+
+    public function uploadForm(Request $request, $for = null) {
+        return view('admin.services.packs.upload', [
+            'services' => $this->formatServices(),
+            'for' => $for
+        ]);
+    }
+
+    public function postUpload(Request $request)
+    {
+        try {
+            $repo = new Pack;
+            $id = $repo->createWithTemplate($request->except([
+                '_token'
+            ]));
+            Alert::success('Successfully created new service!')->flash();
+            return redirect()->route('admin.services.packs.edit', $id)->withInput();
+        } catch (DisplayValidationException $ex) {
+            return redirect()->back()->withErrors(json_decode($ex->getMessage()))->withInput();
+        } catch (DisplayException $ex) {
+            Alert::danger($ex->getMessage())->flash();
+        } catch (\Exception $ex) {
+            Log::error($ex);
+            Alert::danger('An error occured while attempting to add a new service pack.')->flash();
+        }
+        return redirect()->back();
+    }
 }
diff --git a/app/Http/Routes/AdminRoutes.php b/app/Http/Routes/AdminRoutes.php
index d84de184c..96819bbbe 100644
--- a/app/Http/Routes/AdminRoutes.php
+++ b/app/Http/Routes/AdminRoutes.php
@@ -446,6 +446,13 @@ class AdminRoutes {
             $router->post('/new', [
                 'uses' => 'Admin\PackController@create'
             ]);
+            $router->get('/upload/{option?}', [
+                'as' => 'admin.services.packs.uploadForm',
+                'uses' => 'Admin\PackController@uploadForm'
+            ]);
+            $router->post('/upload', [
+                'uses' => 'Admin\PackController@postUpload'
+            ]);
             $router->get('/', [
                 'as' => 'admin.services.packs',
                 'uses' => 'Admin\PackController@listAll'
diff --git a/app/Repositories/ServiceRepository/Pack.php b/app/Repositories/ServiceRepository/Pack.php
index 4e3d190bc..c4b3529de 100644
--- a/app/Repositories/ServiceRepository/Pack.php
+++ b/app/Repositories/ServiceRepository/Pack.php
@@ -46,7 +46,7 @@ class Pack
         $validator = Validator::make($data, [
             'name' => 'required|string',
             'version' => 'required|string',
-            'description' => 'string',
+            'description' => 'sometimes|nullable|string',
             'option' => 'required|exists:service_options,id',
             'selectable' => 'sometimes|boolean',
             'visible' => 'sometimes|boolean',
@@ -55,7 +55,7 @@ class Pack
             'build_cpu' => 'required|integer|min:0',
             'build_io' => 'required|integer|min:10|max:1000',
             'build_container' => 'required|string',
-            'build_script' => 'sometimes|string'
+            'build_script' => 'sometimes|nullable|string'
         ]);
 
         if ($validator->fails()) {
@@ -75,7 +75,8 @@ class Pack
             }
         }
 
-        DB::transaction(function () use ($data) {
+        DB::beginTransaction();
+        try {
             $uuid = new UuidService;
             $pack = Models\ServicePack::create([
                 'option' => $data['option'],
@@ -93,13 +94,94 @@ class Pack
                 'visible' => isset($data['visible'])
             ]);
 
-            $filename = ($data['file_upload']->getMimeType() === 'application/zip') ? 'archive.zip' : 'archive.tar.gz';
-            $data['file_upload']->storeAs('packs/' . $pack->uuid, $filename);
+            Storage::makeDirectory('packs/' . $pack->uuid);
+            if (isset($data['file_upload'])) {
+                $filename = ($data['file_upload']->getMimeType() === 'application/zip') ? 'archive.zip' : 'archive.tar.gz';
+                $data['file_upload']->storeAs('packs/' . $pack->uuid, $filename);
+            }
 
-            $pack->save();
+            DB::commit();
+        } catch (\Exception $ex) {
+            DB::rollBack();
+            throw $ex;
+        }
 
+        return $pack->id;
+    }
+
+    public function createWithTemplate(array $data)
+    {
+        if (!isset($data['file_upload'])) {
+            throw new DisplayException('No template file was found submitted with this request.');
+        }
+
+        if (!$data['file_upload']->isValid()) {
+            throw new DisplayException('The file provided does not appear to be valid.');
+        }
+
+        if (!in_array($data['file_upload']->getMimeType(), [
+            'application/zip',
+            'text/plain',
+            'application/json'
+        ])) {
+            throw new DisplayException('The file provided (' . $data['file_upload']->getMimeType() . ') does not meet the required filetypes of application/zip or application/json.');
+        }
+
+        if ($data['file_upload']->getMimeType() === 'application/zip') {
+            $zip = new \ZipArchive;
+            if (!$zip->open($data['file_upload']->path())) {
+                throw new DisplayException('The uploaded archive was unable to be opened.');
+            }
+
+            $isZip = $zip->locateName('archive.zip');
+            $isTar = $zip->locateName('archive.tar.gz');
+
+            if ($zip->locateName('import.json') === false || ($isZip === false && $isTar === false)) {
+                throw new DisplayException('This contents of the provided archive were in an invalid format.');
+            }
+
+            $json = json_decode($zip->getFromName('import.json'));
+            $id = $this->create([
+                'name' => $json->name,
+                'version' => $json->version,
+                'description' => $json->description,
+                'option' => $data['option'],
+                'selectable' => $json->selectable,
+                'visible' => $json->visible,
+                'build_memory' => $json->build->memory,
+                'build_swap' => $json->build->swap,
+                'build_cpu' => $json->build->cpu,
+                'build_io' => $json->build->io,
+                'build_container' => $json->build->container,
+                'build_script' => $json->build->script
+            ]);
+
+            $pack = Models\ServicePack::findOrFail($id);
+            if (!$zip->extractTo(storage_path('app/packs/' . $pack->uuid), ($isZip === false) ? 'archive.tar.gz' : 'archive.zip')) {
+                $pack->delete();
+                throw new DisplayException('Unable to extract the archive file to the correct location.');
+            }
+
+            $zip->close();
             return $pack->id;
-        });
+        } else {
+            $json = json_decode(file_get_contents($data['file_upload']->path()));
+            return $this->create([
+                'name' => $json->name,
+                'version' => $json->version,
+                'description' => $json->description,
+                'option' => $data['option'],
+                'selectable' => $json->selectable,
+                'visible' => $json->visible,
+                'build_memory' => $json->build->memory,
+                'build_swap' => $json->build->swap,
+                'build_cpu' => $json->build->cpu,
+                'build_io' => $json->build->io,
+                'build_container' => $json->build->container,
+                'build_script' => $json->build->script
+            ]);
+        }
+
     }
 
     public function update($id, array $data)
diff --git a/resources/views/admin/services/packs/byoption.blade.php b/resources/views/admin/services/packs/byoption.blade.php
index 6ec8f03e1..cc285d16f 100644
--- a/resources/views/admin/services/packs/byoption.blade.php
+++ b/resources/views/admin/services/packs/byoption.blade.php
@@ -58,7 +58,7 @@
                     <a href="{{ route('admin.services.packs.new', $option->id) }}">
                         <button class="pull-right btn btn-xxs btn-primary"><i class="fa fa-plus"></i></button>
                     </a>
-                    <a href="{{ route('admin.services.packs.new', $option->id) }}">
+                    <a href="#upload" id="toggleUpload">
                         <button class="pull-right btn btn-xxs btn-default" style="margin-right:5px;"><i class="fa fa-upload"></i> Install from Template</button>
                     </a>
                 </td>
@@ -69,6 +69,22 @@
 <script>
 $(document).ready(function () {
     $('#sidebar_links').find("a[href='/admin/services/packs']").addClass('active');
+    $('#toggleUpload').on('click', function (event) {
+        event.preventDefault();
+        var element = $(this);
+        element.find('button').addClass('disabled');
+        $.ajax({
+            method: 'GET',
+            url: '{{ route('admin.services.packs.uploadForm', $option->id) }}'
+        }).fail(function (jqXhr) {
+            console.error(jqXhr);
+            alert('There was an error trying to create the upload form.');
+        }).success(function (data) {
+            $(data).modal();
+        }).always(function () {
+            element.find('button').removeClass('disabled');
+        });
+    });
 });
 </script>
 @endsection
diff --git a/resources/views/admin/services/packs/new.blade.php b/resources/views/admin/services/packs/new.blade.php
index b6895636f..af658cce4 100644
--- a/resources/views/admin/services/packs/new.blade.php
+++ b/resources/views/admin/services/packs/new.blade.php
@@ -152,7 +152,7 @@
                             <label class="control-label">Package Archive:</label>
                             <input name="file_upload" type="file" accept=".zip,.tar.gz, application/zip, application/gzip" />
                             <p class="text-muted"><small>This package file must either be a <code>.zip</code> or <code>.tar.gz</code> archive of files to use for either building or running this pack.<br /><br />If your file is larger than <code>20MB</code> we recommend uploading it using SFTP. Once you have added this pack to the system, a path will be provided where you should upload the file.
-                            This is currently configured with the following limits: <code>upload_max_filesize={{ ini_get('upload_max_filesize') }}</code> and <code>post_max_size={{ ini_get('post_max_size') }}</code>. If your file is larger than either of those values this request will fail.</small></p>
+                            This server is currently configured with the following limits: <code>upload_max_filesize={{ ini_get('upload_max_filesize') }}</code> and <code>post_max_size={{ ini_get('post_max_size') }}</code>. If your file is larger than either of those values this request will fail.</small></p>
                         </div>
                     </div>
                 </div>
diff --git a/resources/views/admin/services/packs/upload.blade.php b/resources/views/admin/services/packs/upload.blade.php
new file mode 100644
index 000000000..e9ca020fa
--- /dev/null
+++ b/resources/views/admin/services/packs/upload.blade.php
@@ -0,0 +1,45 @@
+<div class="modal fade" tabindex="-1" role="dialog">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <form action="{{ route('admin.services.packs.uploadForm') }}" method="POST" enctype="multipart/form-data">
+                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+                    <h4 class="modal-title">Install Pack from Template</h4>
+                </div>
+                <div class="modal-body">
+                    <div class="well" style="margin-bottom:0">
+                        <div class="row">
+                            <div class="col-md-12">
+                                <label class="control-label">Associated Service Option:</label>
+                                <select name="option" class="form-control">
+                                    @foreach($services as $service => $options)
+                                        <option disabled>{{ $service }}</option>
+                                        @foreach($options as $option)
+                                            <option value="{{ $option['id'] }}" @if((int) $for === (int) $option['id'])selected="selected"@endif>&nbsp;&nbsp; -- {{ $option['name'] }}</option>
+                                        @endforeach
+                                    @endforeach
+                                </select>
+                            </div>
+                        </div>
+                        <div class="row" style="margin-top:15px;">
+                            <div class="col-md-12">
+                                <div class="row">
+                                    <div class="form-group col-md-12">
+                                        <label class="control-label">Package Archive:</label>
+                                        <input name="file_upload" type="file" accept=".zip,.json, application/json, application/zip" />
+                                        <p class="text-muted"><small>This file should be either the <code>.json</code> template file, or a <code>.zip</code> pack archive containing <code>archive.(zip|tar.gz)</code> and <code>import.json</code> within.<br /><br />This server is currently configured with the following limits: <code>upload_max_filesize={{ ini_get('upload_max_filesize') }}</code> and <code>post_max_size={{ ini_get('post_max_size') }}</code>. If your file is larger than either of those values this request will fail.</small></p>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    {!! csrf_field() !!}
+                    <button type="button" class="btn btn-default btn-sm" data-dismiss="modal">Cancel</button>
+                    <input type="submit" class="btn btn-primary btn-sm" value="Install" />
+                </div>
+            </form>
+        </div>
+    </div>
+</div>