Update app.py

app.py

@@ -2,27 +2,23 @@ import streamlit as st
 import requests
 from urllib.parse import urlencode, quote_plus, urlparse
 
-def is_valid_url(url):
-    """
-    Checks if the URL has a valid scheme.
-    """
-    parsed_url = urlparse(url)
-    return parsed_url.scheme in ['http', 'https']
-
 def forward_parameters(target_url, extra_params):
     """
     Forward parameters to the target URL and return the response.
-    
+
     :param target_url: The URL to which the parameters should be forwarded.
     :param extra_params: A dictionary of additional parameters to forward.
     :return: The response from the target URL.
     """
-    if not is_valid_url(target_url):
-        return "Invalid URL: No scheme supplied. URLs must start with http:// or https://"
-    
     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
-        full_url = f"{target_url}?{urlencode(extra_params, quote_via=quote_plus)}"
+        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:
@@ -35,14 +31,16 @@ st.title('HTTPS Streamlit Parameters Forwarder')
 # Correctly accessing the query parameters
 params = st.query_params
 
-target_url = params.get('param1', [None])[0]
+# Debug: Log received parameters
+st.write("Received parameters:", params)
+
+target_url = params.get('param1', [None])[0]  # Extract the target URL
 
 if target_url:
     # Remove 'param1' to forward the remaining parameters
-    if 'param1' in params:
-        del params['param1']
-    response = forward_parameters(target_url, params)
-    st.text_area("Response from Target URL", value=response, height=300)
+    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.")
 else:
     st.error("No target URL provided.")
     st.markdown("""