X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/06b500984250f75b98f38a8f25ac953cb45aeee4..refs/pull/3745/head:/app/Http/Controllers/Api/AttachmentApiController.php

diff --git a/app/Http/Controllers/Api/AttachmentApiController.php b/app/Http/Controllers/Api/AttachmentApiController.php
index 67815bc47..7059ca282 100644
--- a/app/Http/Controllers/Api/AttachmentApiController.php
+++ b/app/Http/Controllers/Api/AttachmentApiController.php
@@ -15,21 +15,6 @@ class AttachmentApiController extends ApiController
 {
     protected $attachmentService;
 
-    protected $rules = [
-        'create' => [
-            'name'        => ['required', 'min:1', 'max:255', 'string'],
-            'uploaded_to' => ['required', 'integer', 'exists:pages,id'],
-            'file'        => ['required_without:link', 'file'],
-            'link'        => ['required_without:file', 'min:1', 'max:255', 'safe_url'],
-        ],
-        'update' => [
-            'name'        => ['min:1', 'max:255', 'string'],
-            'uploaded_to' => ['integer', 'exists:pages,id'],
-            'file'        => ['file'],
-            'link'        => ['min:1', 'max:255', 'safe_url'],
-        ],
-    ];
-
     public function __construct(AttachmentService $attachmentService)
     {
         $this->attachmentService = $attachmentService;
@@ -61,7 +46,7 @@ class AttachmentApiController extends ApiController
     public function create(Request $request)
     {
         $this->checkPermission('attachment-create-all');
-        $requestData = $this->validate($request, $this->rules['create']);
+        $requestData = $this->validate($request, $this->rules()['create']);
 
         $pageId = $request->get('uploaded_to');
         $page = Page::visible()->findOrFail($pageId);
@@ -102,14 +87,33 @@ class AttachmentApiController extends ApiController
             'markdown' => $attachment->markdownLink(),
         ]);
 
-        if (!$attachment->external) {
-            $attachmentContents = $this->attachmentService->getAttachmentFromStorage($attachment);
-            $attachment->setAttribute('content', base64_encode($attachmentContents));
-        } else {
+        // Simply return a JSON response of the attachment for link-based attachments
+        if ($attachment->external) {
             $attachment->setAttribute('content', $attachment->path);
+
+            return response()->json($attachment);
         }
 
-        return response()->json($attachment);
+        // Build and split our core JSON, at point of content.
+        $splitter = 'CONTENT_SPLIT_LOCATION_' . time() . '_' . rand(1, 40000);
+        $attachment->setAttribute('content', $splitter);
+        $json = $attachment->toJson();
+        $jsonParts = explode($splitter, $json);
+        // Get a stream for the file data from storage
+        $stream = $this->attachmentService->streamAttachmentFromStorage($attachment);
+
+        return response()->stream(function () use ($jsonParts, $stream) {
+            // Output the pre-content JSON data
+            echo $jsonParts[0];
+
+            // Stream out our attachment data as base64 content
+            stream_filter_append($stream, 'convert.base64-encode', STREAM_FILTER_READ);
+            fpassthru($stream);
+            fclose($stream);
+
+            // Output our post-content JSON data
+            echo $jsonParts[1];
+        }, 200, ['Content-Type' => 'application/json']);
     }
 
     /**
@@ -122,7 +126,7 @@ class AttachmentApiController extends ApiController
      */
     public function update(Request $request, string $id)
     {
-        $requestData = $this->validate($request, $this->rules['update']);
+        $requestData = $this->validate($request, $this->rules()['update']);
         /** @var Attachment $attachment */
         $attachment = Attachment::visible()->findOrFail($id);
 
@@ -162,4 +166,22 @@ class AttachmentApiController extends ApiController
 
         return response('', 204);
     }
+
+    protected function rules(): array
+    {
+        return [
+            'create' => [
+                'name'        => ['required', 'min:1', 'max:255', 'string'],
+                'uploaded_to' => ['required', 'integer', 'exists:pages,id'],
+                'file'        => array_merge(['required_without:link'], $this->attachmentService->getFileValidationRules()),
+                'link'        => ['required_without:file', 'min:1', 'max:255', 'safe_url'],
+            ],
+            'update' => [
+                'name'        => ['min:1', 'max:255', 'string'],
+                'uploaded_to' => ['integer', 'exists:pages,id'],
+                'file'        => $this->attachmentService->getFileValidationRules(),
+                'link'        => ['min:1', 'max:255', 'safe_url'],
+            ],
+        ];
+    }
 }