Add custom emoji

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Daniel Supernault 2022-01-18 23:03:21 -07:00
parent 16ced7b463
commit ca79e26d3a
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6 changed files with 195 additions and 5 deletions

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@ -0,0 +1,41 @@
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;
class CustomEmoji extends Model
{
use HasFactory;
const SCAN_RE = "/(?<=[^[:alnum:]:]|\n|^):([a-zA-Z0-9_]{2,}):(?=[^[:alnum:]:]|$)/x";
const CACHE_KEY = "pf:custom_emoji:";
public static function scan($text)
{
return Str::of($text)
->matchAll(self::SCAN_RE)
->map(function($match) {
$tag = Cache::remember(self::CACHE_KEY . $match, 14400, function() use($match) {
return self::whereShortcode(':' . $match . ':')->first();
});
if($tag) {
$url = url('/storage/' . $tag->media_path);
return [
'shortcode' => $match,
'url' => $url,
'static_path' => $url,
'visible_in_picker' => $tag->disabled == false
];
}
})
->filter(function($tag) {
return $tag && isset($tag['static_path']);
})
->values();
}
}

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@ -0,0 +1,91 @@
<?php
namespace App\Services;
use App\Util\ActivityPub\Helpers;
use Illuminate\Support\Facades\Http;
use App\Models\CustomEmoji;
class CustomEmojiService
{
public static function getByShortcode($shortcode)
{
return CustomEmoji::whereShortcode($shortcode)->first();
}
public static function getByUrl($url)
{
if(Helpers::validateUrl($url) == false) {
return;
}
$emoji = CustomEmoji::whereUri($url)->first();
if($emoji) {
return $emoji;
}
$res = Http::acceptJson()->get($url);
if($res->successful()) {
$json = $res->json();
if(
!$json ||
!isset($json['id']) ||
!isset($json['type']) ||
$json['type'] !== 'Emoji' ||
!isset($json['icon']) ||
!isset($json['icon']['mediaType']) ||
!isset($json['icon']['url']) ||
!isset($json['icon']['type']) ||
$json['icon']['type'] !== 'Image' ||
!in_array($json['icon']['mediaType'], ['image/jpeg', 'image/png', 'image/jpg'])
) {
return;
}
if(!self::headCheck($json['icon']['url'])) {
return;
}
$emoji = new CustomEmoji;
$emoji->shortcode = $json['name'];
$emoji->uri = $json['id'];
$emoji->domain = parse_url($json['id'], PHP_URL_HOST);
$emoji->image_remote_url = $json['icon']['url'];
$emoji->save();
$ext = '.' . last(explode('/', $json['icon']['mediaType']));
$dest = storage_path('app/public/emoji/') . $emoji->id . $ext;
copy($emoji->image_remote_url, $dest);
$emoji->media_path = 'emoji/' . $emoji->id . $ext;
$emoji->save();
return $emoji;
} else {
return;
}
}
public static function headCheck($url)
{
$res = Http::head($url);
if(!$res->successful()) {
return false;
}
$type = $res->header('content-type');
$length = $res->header('content-length');
if(
!$type ||
!$length ||
!in_array($type, ['image/jpeg', 'image/png', 'image/jpg']) ||
$length > config('federation.custom_emoji.max_size')
) {
return false;
}
return true;
}
}

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@ -14,6 +14,7 @@ use App\Services\StatusLabelService;
use App\Services\StatusMentionService;
use App\Services\ProfileService;
use App\Services\PollService;
use App\Models\CustomEmoji;
class StatusStatelessTransformer extends Fractal\TransformerAbstract
{
@ -25,17 +26,18 @@ class StatusStatelessTransformer extends Fractal\TransformerAbstract
return [
'_v' => 1,
'id' => (string) $status->id,
//'gid' => $status->group_id ? (string) $status->group_id : null,
'shortcode' => HashidService::encode($status->id),
'uri' => $status->url(),
'url' => $status->url(),
'in_reply_to_id' => (string) $status->in_reply_to_id,
'in_reply_to_account_id' => (string) $status->in_reply_to_profile_id,
'in_reply_to_id' => $status->in_reply_to_id ? (string) $status->in_reply_to_id : null,
'in_reply_to_account_id' => $status->in_reply_to_profile_id ? (string) $status->in_reply_to_profile_id : null,
'reblog' => null,
'content' => $status->rendered ?? $status->caption,
'content_text' => $status->caption,
'created_at' => $status->created_at->format('c'),
'emojis' => [],
'reblogs_count' => 0,
'emojis' => CustomEmoji::scan($status->caption),
'reblogs_count' => $status->reblogs_count ?? 0,
'favourites_count' => $status->likes_count ?? 0,
'reblogged' => null,
'favourited' => null,

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@ -157,6 +157,8 @@ class RestrictedNames
'embed',
'email',
'emails',
'emoji',
'emojis',
'error',
'explore',
'export',

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@ -44,6 +44,13 @@ return [
'enabled' => env('WEBFINGER', true)
],
'network_timeline' => env('PF_NETWORK_TIMELINE', true)
'network_timeline' => env('PF_NETWORK_TIMELINE', true),
'custom_emoji' => [
'enabled' => env('CUSTOM_EMOJI', false),
// max size in bytes, default is 2mb
'max_size' => env('CUSTOM_EMOJI_MAX_SIZE', 2000000),
]
];

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@ -0,0 +1,47 @@
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class CreateCustomEmojiTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('custom_emoji', function (Blueprint $table) {
$table->id();
$table->string('shortcode')->unique()->index();
$table->string('media_path')->nullable();
$table->string('domain')->nullable()->index();
$table->boolean('disabled')->default(false)->index();
$table->string('uri')->nullable();
$table->string('image_remote_url')->nullable();
$table->unsignedInteger('category_id')->nullable();
$table->unique(['shortcode', 'domain']);
$table->timestamps();
});
Schema::create('custom_emoji_categories', function (Blueprint $table) {
$table->id();
$table->string('name')->unique()->index();
$table->boolean('disabled')->default(false)->index();
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::dropIfExists('custom_emoji');
Schema::dropIfExists('custom_emoji_categories');
}
}