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| import hmac | |
| import streamlit as st | |
| def check_password(): | |
| """Returns `True` if the user had the correct password.""" | |
| def password_entered(): | |
| """Checks whether a password entered by the user is correct.""" | |
| if hmac.compare_digest(st.session_state["password"], st.secrets["PASSWORD"]): | |
| st.session_state["password_correct"] = True | |
| del st.session_state["password"] # Don't store the password. | |
| else: | |
| st.session_state["password_correct"] = False | |
| # Return True if the passward is validated. | |
| if st.session_state.get("password_correct", False): | |
| return True | |
| # Show input for password. | |
| st.text_input( | |
| "Password", type="password", on_change=password_entered, key="password" | |
| ) | |
| if "password_correct" in st.session_state: | |
| st.error("Incorrect password") | |
| return False | |