Add 8 new tools: Hash Verifier, URL Tool, String Utils, Cron Explainer, IP Calc, Lorem Ipsum, CSV Viewer, Notes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/tools/hashverifier.py

@@ -0,0 +1,39 @@
+from flask import Blueprint, request, jsonify
+import hashlib
+import bcrypt
+from util.logger import logger
+from auth.token import verify_token
+
+hashverifier_blueprint = Blueprint('hashverifier_tool', __name__)
+
+
+@hashverifier_blueprint.route('/api/hash/verify', methods=['POST'])
+def verify_hash():
+    user = verify_token()
+    if not user:
+        return jsonify({"message": "Nicht autorisiert"}), 401
+    try:
+        data = request.get_json() or {}
+        text = data.get("text", "")
+        hash_val = data.get("hash", "").strip()
+        algorithm = data.get("algorithm", "sha256")
+
+        if algorithm == "md5":
+            computed = hashlib.md5(text.encode()).hexdigest()
+            match = computed.lower() == hash_val.lower()
+        elif algorithm == "sha256":
+            computed = hashlib.sha256(text.encode()).hexdigest()
+            match = computed.lower() == hash_val.lower()
+        elif algorithm == "bcrypt":
+            try:
+                match = bcrypt.checkpw(text.encode(), hash_val.encode())
+            except Exception:
+                return jsonify({"message": "Ungültiger bcrypt-Hash"}), 400
+        else:
+            return jsonify({"message": "Unbekannter Algorithmus"}), 400
+
+        logger.info(f"Hash verify ({algorithm}) von {user['username']}: {match}")
+        return jsonify({"match": match})
+    except Exception as e:
+        logger.error(f"Fehler bei Hash-Verifikation: {e}")
+        return jsonify({"message": "Fehler bei der Verifikation"}), 500