Merge pull request #22 from ChandimaGalahitiyawa/master

Cloudflare ANS Block Expression

cloudflare builder.py

@@ -0,0 +1,37 @@
+#author: Chandima Galahitiyawa
+#date: 27th Nov 2023
+
+def create_formatted_strings(input_file_path, max_length=4096):
+    with open(input_file_path, 'r') as file:
+        lines = file.readlines()
+
+    all_expressions = []
+    current_expression = ""
+    for line in lines:
+        number = line.strip()
+        part = f"(ip.geoip.asnum eq {number})"
+        # Check if adding the next part will exceed the limit
+        if len(current_expression) + len(part) + 4 > max_length:  # 4 for ' or ' length
+            all_expressions.append(current_expression.rstrip(' or '))
+            current_expression = part
+        else:
+            current_expression += part + ' or '
+
+    # Add the last expression if it's not empty
+    if current_expression:
+        all_expressions.append(current_expression.rstrip(' or '))
+
+    return all_expressions
+
+# Path for the input file
+input_file_path = 'save.txt'  # Replace with your file path
+
+# Create the formatted strings
+formatted_strings = create_formatted_strings(input_file_path)
+
+# Output the result to a file or print it
+for index, expression in enumerate(formatted_strings, start=1):
+    print(f"Expression {index}:\n{expression}\n")
+    # Optionally, write each expression to a separate file
+    with open(f'output_expression_{index}.txt', 'w') as file:
+        file.write(expression)