Safelink_URL_Decoder.py

#!/usr/bin/env python3

import urllib.parse

# Prompt the user to enter the SafeLink URL
safelink = input("Enter the SafeLink URL: ")

try:
    # Parse the SafeLink URL to extract its components
    parsed_url = urllib.parse.urlparse(safelink)

    # Extract the query parameters from the SafeLink URL
    query_params = urllib.parse.parse_qs(parsed_url.query)

    # Check if the 'a' or 'url' parameter exists in the query parameters
    if 'a' in query_params:
        # Decode the 'a' parameter value
        decoded_url = urllib.parse.unquote(query_params['a'][0])
    elif 'url' in query_params:
        # Decode the 'url' parameter value
        decoded_url = urllib.parse.unquote(query_params['url'][0])
    else:
        raise ValueError("The provided SafeLink URL does not contain 'a' or 'url' parameter.")

    # Parse the decoded URL to check for nested query parameters
    nested_query_params = urllib.parse.parse_qs(urllib.parse.urlparse(decoded_url).query)

    # If a nested 'u' parameter exists, decode it
    if 'u' in nested_query_params:
        nested_url = nested_query_params['u'][0]
        final_url = urllib.parse.unquote(nested_url)
    else:
        # If no nested 'u' parameter, use the decoded URL as the final URL
        final_url = decoded_url

    # Parse the final URL to handle and remove any fragments
    final_parsed_url = urllib.parse.urlparse(final_url)
    final_url_without_fragment = final_parsed_url._replace(fragment='').geturl()

    # Print the final URL without the fragment
    print(f"Final URL: {final_url_without_fragment}")
except Exception as e:
    # Print any error that occurs during the process
    print(f"An error occurred: {e}")