Update app.py

app.py

@@ -10,15 +10,15 @@ def forward_parameters(target_url, extra_params):
     :param extra_params: A dictionary of additional parameters to forward.
     :return: The response from the target URL.
     """
+    # Validate the target URL
+    parsed_url = urlparse(target_url)
+    if parsed_url.scheme not in ['http', 'https']:
+        return f"Invalid URL: '{target_url}'. URLs must start with http:// or https://"
+
+    # Construct the full URL with extra parameters
+    encoded_params = urlencode(extra_params, quote_via=quote_plus)
+    full_url = f"{target_url}?{encoded_params}" if encoded_params else target_url
     try:
-        # Validate the target URL
-        parsed_url = urlparse(target_url)
-        if not parsed_url.scheme in ['http', 'https']:
-            return "Invalid URL: URLs must start with http:// or https://"
-
-        # Construct the full URL with extra parameters
-        encoded_params = urlencode(extra_params, quote_via=quote_plus)
-        full_url = f"{target_url}?{encoded_params}" if encoded_params else target_url
         response = requests.get(full_url)  # Using GET request for simplicity
         return response.text
     except requests.exceptions.RequestException as e:
@@ -28,26 +28,20 @@ def forward_parameters(target_url, extra_params):
 # Streamlit interface
 st.title('HTTPS Streamlit Parameters Forwarder')
 
-# Correctly accessing the query parameters
+# Accessing the query parameters
 params = st.query_params
 
-# Debug: Log received parameters
-st.write("Received parameters:", params)
-
-target_url = params.get('param1', [None])[0]  # Extract the target URL
+target_url = params.get('param1', [None])[0]
 
 if target_url:
-    # Remove 'param1' to forward the remaining parameters
+    # Remove 'param1' from the parameters to be forwarded
     forwarded_params = {k: v for k, v in params.items() if k != 'param1'}
     response = forward_parameters(target_url, forwarded_params)
-    st.text_area("Response from Target URL", value=response, height=300, help="The response from the forwarded URL.")
+    st.text_area("Response from Target URL", value=response, height=300)
 else:
-    st.error("No target URL provided.")
+    st.error("Please provide a target URL using `?param1=URL` in the query string.")
     st.markdown("""
-        Please append `?param1=URL` to the query string in the address bar,
-        replacing `URL` with your desired target URL.
-
-        Example: `?param1=http://example.com&param2=value`
-
-        This will forward `param2=value` to `http://example.com`.
+        **Example usage:**
+        
+        Append `?param1=http://example.com&param2=value` to the query string in the address bar. This will forward `param2=value` to `http://example.com`.
     """)