Recalculate all immutable hashes since the algorithm changed in the past.

Fixes #1826

(cherry picked from commit c920919)

Author: nickygerritsen

webapp/migrations/Version20230508163415.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use App\Entity\ExecutableFile;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20230508163415 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Update hashes of immutable executables';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $immutableExecutables = $this->connection->fetchAllAssociative('SELECT immutable_execid FROM immutable_executable');
+        foreach ($immutableExecutables as $immutableExecutable) {
+            $files = $this->connection->fetchAllAssociative('SELECT hash, filename, is_executable FROM executable_file WHERE immutable_execid = :id', ['id' => $immutableExecutable['immutable_execid']]);
+            uasort($files, fn(array $a, array $b) => strcmp($a['filename'], $b['filename']));
+            $newHash = md5(
+                join(
+                    array_map(
+                        fn(array $file) => $file['hash'] . $file['filename'] . (bool)$file['is_executable'],
+                        $files
+                    )
+                )
+            );
+            $this->connection->executeQuery('UPDATE immutable_executable SET hash = :hash WHERE immutable_execid = :id', [
+                'hash' => $newHash,
+                'id' => $immutableExecutable['immutable_execid'],
+            ]);
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        // We don't handle this case
+    }
+
+    public function isTransactional(): bool
+    {
+        return false;
+    }
+}