Add comment spam classification and captcha checks.

Score artwork comments with local signatures plus Together AI, and optionally require Turnstile before posting.
2026-09-20 14:48:50 +02:00
parent 37bacc1334
commit 586c44ba74
16 changed files with 858 additions and 135 deletions
@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('artwork_comments', function (Blueprint $table): void {
+            $table->unsignedTinyInteger('spam_score')->nullable()->after('is_approved');
+            $table->unsignedTinyInteger('spam_probability')->nullable()->after('spam_score');
+            $table->string('spam_reason', 500)->nullable()->after('spam_probability');
+            $table->string('moderation_source', 40)->nullable()->after('spam_reason');
+            $table->timestamp('moderated_at')->nullable()->after('moderation_source');
+            $table->index(['spam_score', 'moderated_at'], 'artwork_comments_spam_score_idx');
+        });
+
+        Schema::create('comment_spam_signatures', function (Blueprint $table): void {
+            $table->id();
+            $table->string('content_hash', 64)->unique();
+            $table->string('pattern_signature', 64)->nullable()->index();
+            $table->string('source', 40);
+            $table->string('reason', 500)->nullable();
+            $table->unsignedTinyInteger('confidence')->default(0);
+            $table->unsignedInteger('hit_count')->default(0);
+            $table->unsignedBigInteger('reviewed_by')->nullable()->index();
+            $table->json('metadata')->nullable();
+            $table->timestamp('created_at')->useCurrent();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('comment_spam_signatures');
+        Schema::table('artwork_comments', function (Blueprint $table): void {
+            $table->dropIndex('artwork_comments_spam_score_idx');
+            $table->dropColumn([
+                'spam_score', 'spam_probability', 'spam_reason',
+                'moderation_source', 'moderated_at',
+            ]);
+        });
+    }
+};
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (! Schema::hasTable('comment_spam_signatures')) {
+            Schema::create('comment_spam_signatures', function (Blueprint $table): void {
+                $table->id();
+                $table->string('content_hash', 64)->unique();
+                $table->string('pattern_signature', 64)->nullable()->index();
+                $table->string('source', 40);
+                $table->string('reason', 500)->nullable();
+                $table->unsignedTinyInteger('confidence')->default(0);
+                $table->unsignedInteger('hit_count')->default(0);
+                $table->unsignedBigInteger('reviewed_by')->nullable()->index();
+                $table->json('metadata')->nullable();
+                $table->timestamp('created_at')->useCurrent();
+            });
+
+            return;
+        }
+
+        Schema::table('comment_spam_signatures', function (Blueprint $table): void {
+            if (! Schema::hasColumn('comment_spam_signatures', 'pattern_signature')) {
+                $table->string('pattern_signature', 64)->nullable()->index();
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'source')) {
+                $table->string('source', 40)->nullable();
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'reason')) {
+                $table->string('reason', 500)->nullable();
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'confidence')) {
+                $table->unsignedTinyInteger('confidence')->default(0);
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'hit_count')) {
+                $table->unsignedInteger('hit_count')->default(0);
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'reviewed_by')) {
+                $table->unsignedBigInteger('reviewed_by')->nullable()->index();
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'metadata')) {
+                $table->json('metadata')->nullable();
+            }
+
+            if (! Schema::hasColumn('comment_spam_signatures', 'created_at')) {
+                $table->timestamp('created_at')->nullable()->useCurrent();
+            }
+        });
+    }
+
+    public function down(): void
+    {
+        if (! Schema::hasTable('comment_spam_signatures') || ! Schema::hasColumn('comment_spam_signatures', 'hit_count')) {
+            return;
+        }
+
+        Schema::table('comment_spam_signatures', function (Blueprint $table): void {
+            $table->dropColumn('hit_count');
+        });
+    }
+};