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[ATTACHMENTS] Follow URL redirects and don't duplicate attachments

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This commit is contained in:
Diogo Peralta Cordeiro 2021-05-01 22:55:33 +01:00 committed by Hugo Sales
parent adb6680a01
commit 1e7d8cac9a
Signed by untrusted user: someonewithpc
GPG Key ID: 7D0C7EAFC9D835A0
1 changed files with 19 additions and 11 deletions
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30
src/Core/GSFile.php
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@ -22,6 +22,7 @@
namespace App\Core;
use App\Core\DB\DB;
use App\Util\Exception\NotFoundException;
use function App\Core\I18n\_m;
use App\Entity\Attachment;
use App\Util\Common;
@ -75,17 +76,24 @@ class GSFile
{
if (Common::isValidHttpUrl($url)) {
$head = HTTPClient::head($url);
$headers = $head->getHeaders();
$headers = array_change_key_case($headers, CASE_LOWER);
$attachment = Attachment::create([
'remote_url' => $url,
'remote_url_hash' => hash(Attachment::URLHASH_ALGO, $url),
'mimetype' => $headers['content-type'][0],
'is_local' => false,
]);
DB::persist($attachment);
Event::handle('AttachmentStoreNew', [&$attachment]);
return $attachment;
// This must come before getInfo given that Symfony HTTPClient is lazy (thus forcing curl exec)
$headers = $head->getHeaders();
$url = $head->getInfo('url'); // The last effective url (after getHeaders so it follows redirects)
$url_hash = hash(Attachment::URLHASH_ALGO, $url);
try {
return DB::findOneBy('attachment', ['remote_url_hash' => $url_hash]);
} catch (NotFoundException) {
$headers = array_change_key_case($headers, CASE_LOWER);
$attachment = Attachment::create([
'remote_url' => $url,
'remote_url_hash' => $url_hash,
'mimetype' => $headers['content-type'][0],
'is_local' => false,
]);
DB::persist($attachment);
Event::handle('AttachmentStoreNew', [&$attachment]);
return $attachment;
}
} else {
throw new \InvalidArgumentException();
}