fix: Security issue in download route and cleanup

tools.py

@@ -0,0 +1,51 @@
+from flask import Request
+import os
+from functools import cache
+
+def isCurl(request: Request) -> bool:
+    """
+    Check if the request is from curl
+    
+    Args:
+        request (Request): The Flask request object
+    Returns:
+        bool: True if the request is from curl, False otherwise
+
+    """
+    if request.headers and request.headers.get("User-Agent"):
+        # Check if curl
+        if "curl" in request.headers.get("User-Agent", "curl"):
+            return True
+    return False
+
+def isCrawler(request: Request) -> bool:
+    """
+    Check if the request is from a web crawler (e.g., Googlebot, Bingbot)
+    Args:
+        request (Request): The Flask request object
+    Returns:
+        bool: True if the request is from a web crawler, False otherwise
+    """
+
+    if request.headers and request.headers.get("User-Agent"):
+        # Check if Googlebot or Bingbot
+        if "Googlebot" in request.headers.get(
+            "User-Agent", ""
+        ) or "Bingbot" in request.headers.get("User-Agent", ""):
+            return True
+    return False
+
+
+@cache
+def getAddress(coin: str) -> str:
+    address = ""
+    if os.path.isfile(".well-known/wallets/" + coin.upper()):
+        with open(".well-known/wallets/" + coin.upper()) as file:
+            address = file.read()
+    return address
+
+
+def getFilePath(name, path):
+    for root, dirs, files in os.walk(path):
+        if name in files:
+            return os.path.join(root, name)