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use jwt::{SignWithKey, VerifyWithKey};
use super::http_parser::Request;
pub use expedite::datetime::period::Period;
pub use expedite::datetime::time::Time;
use hmac::Hmac;
use sha2::Sha256;
use std::collections::{BTreeMap, HashMap};
use std::str::FromStr;
use std::sync::Arc;
use chrono::TimeZone;
use chrono_tz::GMT;
use chrono_tz::US::Pacific;
pub struct Cookie {
name: String,
path: String,
domain: String,
max_age: Option<Time>,
http_only: bool,
data: BTreeMap<String, String>,
secret_key: Arc<Hmac<Sha256>>,
}
fn cookie_str_to_map(s: &str) -> HashMap<&str, &str> {
let mut map = HashMap::new();
for e in s.split(";") {
match e.split_once("=") {
Some((k, v)) => {
map.insert(k.trim(), v.trim());
}
None => {
continue;
}
}
}
map
}
impl Cookie {
pub fn new(name: String, req: &Request) -> Self {
let key = &*req.get_secret_key();
let path = req.url_to_path();
match req.get_header("Cookie") {
Some(s) => match cookie_str_to_map(s).get(name.as_str()) {
Some(&token) => {
match token.verify_with_key(key) {
Ok(x) => {
return Cookie {
name,
path: String::from(path),
domain: String::new(),
max_age: None,
http_only: false,
data: x,
secret_key: req.get_secret_key(),
};
}
Err(_) => {}
}
}
None => {}
},
None => {}
}
Cookie {
name,
path: String::from(path),
domain: String::new(),
max_age: None,
http_only: false,
data: BTreeMap::new(),
secret_key: req.get_secret_key(),
}
}
pub fn set_name(&mut self, name: String) {
self.name = name;
}
pub fn get_name(&self) -> &String {
&self.name
}
pub fn set_path(&mut self, path: String) {
self.path = path
}
pub fn get_path(&self) -> &String {
&self.path
}
pub fn set_domain(&mut self, domain: String) {
self.domain = domain;
}
pub fn get_domain(&self) -> &String {
&self.domain
}
pub fn set_max_age(&mut self, time: Time) {
self.max_age = Some(time);
}
pub fn get_max_age(&self) -> &Option<Time> {
&self.max_age
}
pub fn set_http_only(&mut self, v: bool) {
self.http_only = v;
}
pub fn get_http_only(&self) -> bool {
self.http_only
}
pub fn get_data<T: FromStr>(&self, k: String) -> Option<T> {
match self.data.get(&k) {
Some(v) => match v.parse() {
Ok(v) => {
return Some(v);
}
Err(_) => {
return None;
}
},
None => {
return None;
}
}
}
pub fn insert<T: ToString>(&mut self, k: String, v: T) {
self.data.insert(k, v.to_string());
}
pub fn gen_token(&self) -> Option<String> {
match self.data.clone().sign_with_key(&*self.secret_key) {
Ok(s) => Some(s),
Err(_) => None,
}
}
pub(crate) fn to_string(&self) -> Option<String> {
let time = if let Some(ref t) = self.max_age {
let time = Pacific
.ymd(t.date.year as i32, t.date.month, t.date.day)
.and_hms(t.hours, t.minutes, t.seconds);
let gmt = time.with_timezone(&GMT);
gmt.to_rfc2822()
} else {
String::from("Session")
};
let domain = {
if self.domain == "" {
"".to_string()
} else {
format!("domain={};", self.domain)
}
};
let http_only = {
if self.http_only {
"HttpOnly;"
} else {
""
}
};
if let Some(token) = self.gen_token() {
let r = format!(
"{name}={token}; path={path}; {domain} Expires={time}; {http_only}",
name = self.name,
path = self.path,
time = time.to_string()
);
Some(r)
} else {
None
}
}
}