From be6d12fcb679bb77edbdc46bb3f7d8c03642cf42 Mon Sep 17 00:00:00 2001
From: Daniel Supernault <danielsupernault@gmail.com>
Date: Sun, 24 Jan 2021 13:30:31 -0700
Subject: [PATCH] Update MediaPipeline, handle cloud object storage

---
 .../ImageOptimizePipeline/ImageUpdate.php     |  5 +-
 .../MediaPipeline/MediaStoragePipeline.php    | 31 ++++++++++
 app/Media.php                                 |  8 +--
 app/Services/MediaStorageService.php          | 62 ++++++++++++++++++-
 4 files changed, 98 insertions(+), 8 deletions(-)
 create mode 100644 app/Jobs/MediaPipeline/MediaStoragePipeline.php

diff --git a/app/Jobs/ImageOptimizePipeline/ImageUpdate.php b/app/Jobs/ImageOptimizePipeline/ImageUpdate.php
index 747820b3..367396df 100644
--- a/app/Jobs/ImageOptimizePipeline/ImageUpdate.php
+++ b/app/Jobs/ImageOptimizePipeline/ImageUpdate.php
@@ -12,7 +12,7 @@ use Illuminate\Queue\SerializesModels;
 use ImageOptimizer;
 use Illuminate\Http\File;
 use App\Services\MediaPathService;
-use App\Services\MediaStorageService;
+use App\Jobs\MediaPipeline\MediaStoragePipeline;
 
 class ImageUpdate implements ShouldQueue
 {
@@ -77,6 +77,7 @@ class ImageUpdate implements ShouldQueue
         $media->size = $total;
         $media->save();
 
-        MediaStorageService::store($media);
+        MediaStoragePipeline::dispatch($media);
+
     }
 }
diff --git a/app/Jobs/MediaPipeline/MediaStoragePipeline.php b/app/Jobs/MediaPipeline/MediaStoragePipeline.php
new file mode 100644
index 00000000..61f80767
--- /dev/null
+++ b/app/Jobs/MediaPipeline/MediaStoragePipeline.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Jobs\MediaPipeline;
+
+use App\Media;
+use Cache;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Redis;
+use App\Services\MediaStorageService;
+
+class MediaStoragePipeline implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    protected $media;
+
+    public function __construct(Media $media)
+    {
+    	$this->media = $media;
+    }
+
+    public function handle()
+    {
+    	MediaStorageService::store($this->media);
+    }
+
+}
\ No newline at end of file
diff --git a/app/Media.php b/app/Media.php
index 9ea9c79a..3854c384 100644
--- a/app/Media.php
+++ b/app/Media.php
@@ -33,7 +33,7 @@ class Media extends Model
             return $this->cdn_url;
         }
 
-        if(!empty($this->remote_media) && $this->remote_url) {
+        if($this->remote_media && $this->remote_url) {
             return $this->remote_url;
         }
 
@@ -46,10 +46,8 @@ class Media extends Model
             return $this->thumbnail_url;
         }
 
-        if($this->remote_url || $this->thumbnail_path) {
-            return url(Storage::url(
-                $this->remote_url ?? 
-                $this->thumbnail_path));
+        if(!$this->remote_media && $this->thumbnail_path) {
+            return url(Storage::url($this->thumbnail_path));
         }
 
         return url(Storage::url('public/no-preview.png'));
diff --git a/app/Services/MediaStorageService.php b/app/Services/MediaStorageService.php
index a6a1d843..db7faf52 100644
--- a/app/Services/MediaStorageService.php
+++ b/app/Services/MediaStorageService.php
@@ -11,6 +11,7 @@ use Illuminate\Support\Str;
 use App\Media;
 use App\Profile;
 use App\User;
+use GuzzleHttp\Client;
 
 class MediaStorageService {
 
@@ -23,6 +24,17 @@ class MediaStorageService {
 		return;
 	}
 
+	public static function head($url)
+	{
+		$c = new Client();
+		$r = $c->request('HEAD', $url);
+		$h = $r->getHeaders();
+		return [
+			'length' => $h['Content-Length'][0],
+			'mime' => $h['Content-Type'][0]
+		];
+	}
+
 	protected function cloudStore($media)
 	{
 		if($media->remote_media == true) {
@@ -51,6 +63,7 @@ class MediaStorageService {
 		$media->thumbnail_url = $thumbUrl;
 		$media->cdn_url = $url;
 		$media->optimized_url = $url;
+		$media->replicated_at = now();
 		$media->save();
 		if($media->status_id) {
 			Cache::forget('status:transformer:media:attachments:' . $media->status_id);
@@ -59,6 +72,53 @@ class MediaStorageService {
 
 	protected function remoteToCloud($media)
 	{
-		// todo
+		$url = $media->remote_url;
+
+		if(!Helpers::validateUrl($url)) {
+			return;
+		}
+
+		$head = $this->head($media->remote_url);
+		$mimes = [
+			'image/jpeg',
+			'image/png',
+			'video/mp4'
+		];
+
+		$mime = $head['mime'];
+		$max_size = (int) config('pixelfed.max_photo_size') * 1000;
+		$media->size = $head['length'];
+		$media->remote_media = true;
+		$media->save();
+
+		if(!in_array($mime, $mimes)) {
+			return;
+		}
+
+		if($head['length'] == $max_size) {
+			return;
+		}
+
+		$ext = $mime == 'image/jpeg' ? '.jpg' : ($mime == 'image/png' ? '.png' : 'mp4');
+
+		$base = MediaPathService::get($media->profile);
+		$path = Str::random(40) . $ext;
+		$tmpBase = storage_path('app/remcache/');
+		$tmpPath = $media->profile_id . '-' . $path;
+		$tmpName = $tmpBase . $tmpPath;
+		$data = file_get_contents($url, false, null, 0, $head['length']);
+		file_put_contents($tmpName, $data);
+		$hash = hash_file('sha256', $tmpName);
+
+		$disk = Storage::disk(config('filesystems.cloud'));
+		$file = $disk->putFileAs($base, new File($tmpName), $path, 'public');
+		$permalink = $disk->url($file);
+		$media->cdn_url = $permalink;
+		$media->original_sha256 = $hash;
+		$media->replicated_at = now();
+		$media->save();
+
+		unlink($tmpName);
+
 	}
 }
\ No newline at end of file