Upload 3 files

details.json

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+{"installed":{"client_id":"89307648764-14kv87qknb5ajjgsblalpkobdgjglvoh.apps.googleusercontent.com","project_id":"elite-particle-434617-c1","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["http://localhost"]}}

test.py

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+import streamlit as st
+from google_auth_oauthlib.flow import InstalledAppFlow
+from googleapiclient.discovery import build
+from googleapiclient.errors import HttpError
+import pickle
+import os
+import hashlib
+
+# Constants
+CREDS_FILE = 'token.pickle'
+CREDENTIALS_FILE = 'details.json'
+SCOPES = ['https://www.googleapis.com/auth/spreadsheets']
+SPREADSHEET_ID = "17KIBySu21Oh0ajtyo4A9jUTjnwOIl69KlqNlTfszrXQ"
+RANGE_NAME = "Sheet1!A:C"
+
+# Google Sheets API setup with OAuth
+def get_gsheet_service(creds):
+    try:
+        service = build('sheets', 'v4', credentials=creds)
+        return service
+    except HttpError as err:
+        st.error(f"Failed to create service: {err}")
+        return None
+
+def append_data_to_sheet(service, spreadsheet_id, range_name, values):
+    try:
+        body = {
+            'values': values
+        }
+        result = service.spreadsheets().values().append(
+            spreadsheetId=spreadsheet_id,
+            range=range_name,
+            valueInputOption="RAW",
+            body=body
+        ).execute()
+        return result
+    except HttpError as err:
+        st.error(f"Failed to append data: {err}")
+        return None
+
+def read_data_from_sheet(service, spreadsheet_id, range_name):
+    try:
+        result = service.spreadsheets().values().get(spreadsheetId=spreadsheet_id, range=range_name).execute()
+        return result.get('values', [])
+    except HttpError as err:
+        st.error(f"Failed to read data: {err}")
+        return []
+
+# Function to hash passwords
+def hash_password(password):
+    return hashlib.sha256(password.encode()).hexdigest()
+
+# OAuth flow setup
+def get_credentials():
+    if os.path.exists(CREDS_FILE):
+        with open(CREDS_FILE, 'rb') as token:
+            creds = pickle.load(token)
+        if creds and creds.valid:
+            return creds
+        if creds and creds.expired and creds.refresh_token:
+            creds.refresh(Request())
+            with open(CREDS_FILE, 'wb') as token:
+                pickle.dump(creds, token)
+            return creds
+    flow = InstalledAppFlow.from_client_secrets_file(CREDENTIALS_FILE, SCOPES)
+    creds = flow.run_local_server(port=0)
+    with open(CREDS_FILE, 'wb') as token:
+        pickle.dump(creds, token)
+    return creds
+
+# Sign Up Page
+def signup(service):
+    st.subheader("Sign Up")
+    
+    with st.form(key='signup_form'):
+        new_username = st.text_input("Username")
+        new_password = st.text_input("Password", type="password")
+        signup_button = st.form_submit_button("Sign Up")
+    
+    if signup_button:
+        if new_username and new_password:
+            # Check if username already exists
+            user_data = read_data_from_sheet(service, SPREADSHEET_ID, RANGE_NAME)
+            for user in user_data:
+                if user[0] == new_username:
+                    st.error("Username already exists. Please choose a different username.")
+                    return
+            
+            # Hash the password
+            hashed_password = hash_password(new_password)
+            
+            # Store the username and hashed password
+            values = [[new_username, hashed_password]]
+            result = append_data_to_sheet(service, SPREADSHEET_ID, RANGE_NAME, values)
+            
+            if result:
+                st.success("Signup successful! Please go to the login page.")
+            else:
+                st.error("Failed to sign up.")
+        else:
+            st.error("Please provide both a username and password.")
+
+# Login Page
+def login(service):
+    st.subheader("Login")
+    
+    with st.form(key='login_form'):
+        username = st.text_input("Username")
+        password = st.text_input("Password", type="password")
+        login_button = st.form_submit_button("Login")
+    
+    if login_button:
+        if username and password:
+            # Hash the password
+            hashed_password = hash_password(password)
+            
+            # Read data from Google Sheets
+            user_data = read_data_from_sheet(service, SPREADSHEET_ID, RANGE_NAME)
+            
+            # Verify login credentials
+            for user in user_data:
+                if user[0] == username and user[1] == hashed_password:
+                    st.success("Login successful!")
+                    return True
+            st.error("Invalid username or password.")
+        else:
+            st.error("Please enter both username and password.")
+    return False
+
+# Streamlit app
+def main():
+    st.title("Google Sheets Authentication System")
+    
+    # Get OAuth credentials
+    creds = get_credentials()
+    
+    # Create a service object
+    service = get_gsheet_service(creds)
+    
+    if service:
+        # Choose between login and signup
+        page = st.sidebar.selectbox("Choose a page", ["Login", "Signup"])
+        
+        if page == "Login":
+            logged_in = login(service)
+            if logged_in:
+                st.write("You are logged in! You can add more functionality here.")
+        elif page == "Signup":
+            signup(service)
+    else:
+        st.error("Failed to create the service.")
+
+if __name__ == "__main__":
+    main()