chhoto-url/actix/src/auth.rs

101 lines
2.9 KiB
Rust

// SPDX-FileCopyrightText: 2023 Sayantan Santra <sayantan.santra689@gmail.com>
// SPDX-License-Identifier: MIT
use actix_session::Session;
use std::{env, time::SystemTime};
use actix_web::HttpRequest;
// API key generation and scoring
use passwords::{PasswordGenerator, scorer, analyzer};
// Validate API key
pub fn validate_key(key: String) -> bool {
if let Ok(api_key) = env::var("api_key") {
if api_key != key {
eprintln!("Incorrect API key was provided when connecting to Chhoto URL.");
false
} else {
eprintln!("Server accessed with API key.");
true
}
} else {
eprintln!("API was accessed with API key validation but no API key was specified. Set the 'api_key' environment variable.");
false
}
}
// Generate an API key if the user doesn't specify a secure key
// Called in main.rs
pub fn gen_key() -> String {
let key = PasswordGenerator {
length: 128,
numbers: true,
lowercase_letters: true,
uppercase_letters: true,
symbols: false,
spaces: false,
exclude_similar_characters: false,
strict: true,
};
key.generate_one().unwrap()
}
// Check if the API key header exists
pub fn api_header(req: &HttpRequest) -> Option<&str> {
req.headers().get("Chhoto-Api-Key")?.to_str().ok()
}
// Determine whether the inputted API key is sufficiently secure
pub fn is_key_secure() -> bool {
let score = scorer::score(&analyzer::analyze(env::var("api_key").unwrap()));
score >= 90.0
}
// Validate a given password
pub fn validate(session: Session) -> bool {
// If there's no password provided, just return true
if env::var("password")
.ok()
.filter(|s| !s.trim().is_empty())
.is_none()
{
return true;
}
if let Ok(token) = session.get::<String>("chhoto-url-auth") {
check(token)
} else {
false
}
}
// Check a token cryptographically
fn check(token: Option<String>) -> bool {
if let Some(token_body) = token {
let token_parts: Vec<&str> = token_body.split(';').collect();
if token_parts.len() < 2 {
false
} else {
let token_text = token_parts[0];
let token_time = token_parts[1].parse::<u64>().unwrap_or(0);
let time_now = SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.expect("Time went backwards!")
.as_secs();
token_text == "chhoto-url-auth" && time_now < token_time + 1209600 // There are 1209600 seconds in 14 days
}
} else {
false
}
}
// Generate a new cryptographic token
pub fn gen_token() -> String {
let token_text = String::from("chhoto-url-auth");
let time = SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.expect("Time went backwards!")
.as_secs();
format!("{token_text};{time}")
}