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cookies and cookies storage implementation
This commit is contained in:
Shamir Khodzha
Josh Matthews
parent
e14c569ed0
commit
3239aeacdc
13 changed files with 6441 additions and 48 deletions
314
components/net/cookie.rs
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314
components/net/cookie.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//use resource_task::{Metadata, Payload, Done, LoadResponse, LoaderTask, start_sending};
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//use time::Tm;
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use url::Url;
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use std::ascii::AsciiExt;
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use time::{strptime, Tm, at, get_time, Timespec, now};
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use std::i64;
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use pub_domains::PUB_DOMAINS;
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use std::io::net::ip::IpAddr;
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#[derive(Clone, Show)]
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pub struct Cookie {
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pub name: String,
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pub value: String,
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pub domain: String,
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pub expires: Option<Tm>,
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pub path: String,
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pub secure: bool,
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pub http_only: bool,
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pub host_only: bool,
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pub persistent: bool,
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pub created_at: Tm,
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pub last_access: Tm,
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pub scheme: String
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}
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impl Cookie {
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pub fn new(header_value: String, url: &Url) -> Option<Cookie> {
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let mut secure = false;
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let mut http_only = false;
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let mut name = None;
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let mut value = None;
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let mut domain = "".to_string();
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let mut path = "".to_string();
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let mut expires = None;
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let mut max_age = None;
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let mut set_cookie_iter = header_value.as_slice().split(';');
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match set_cookie_iter.next() {
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Some(name_value_pair) => {
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if !name_value_pair.contains_char('=') {
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return None;
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}
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let mut data = name_value_pair.split('=').map(|x| x.trim());
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name = data.next();
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value = data.next();
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}
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None => { return None }
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}
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if name.is_some() && name.unwrap() == "" {
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return None
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}
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for spl in set_cookie_iter {
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let cookie_av = spl.trim();
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if cookie_av.contains_char('=') {
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match cookie_av.split('=').map(|x| x.trim()).collect::<Vec<&str>>().as_slice() {
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[attr, val] if attr.eq_ignore_ascii_case("domain") => {
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if val == "" {
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continue;
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}
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let cookie_domain;
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if val.char_at(0) == '.' {
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cookie_domain = val.slice_from(1);
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} else {
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cookie_domain = val;
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}
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domain = cookie_domain.to_ascii_lowercase();
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}
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[attr, val] if attr.eq_ignore_ascii_case("path") => {
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if val == "" || val.char_at(0) != '/' {
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match url.path() {
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Some(x) => {
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let mut url_path = "".to_string();
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for v in x.iter() {
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url_path.push_str(v.as_slice())
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}
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path = Cookie::default_path(url_path.as_slice())
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}
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_ => {
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return None
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}
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}
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} else {
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path = val.to_string();
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}
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}
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[attr, val] if attr.eq_ignore_ascii_case("expires") => {
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// we try strptime with three date formats according to
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// http://tools.ietf.org/html/rfc2616#section-3.3.1
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match strptime(val, "%a, %d %b %Y %H:%M:%S %Z") {
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Ok(x) => expires = Some(x),
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Err(_) => {
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match strptime(val, "%A, %d-%b-%y %H:%M:%S %Z") {
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Ok(x) => expires = Some(x),
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Err(_) => {
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match strptime(val, "%a %b %d %H:%M:%S %Y") {
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Ok(x) => expires = Some(x),
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Err(_) => continue
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}
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}
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}
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}
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}
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}
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[attr, val] if attr.eq_ignore_ascii_case("max-age") => {
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match val.parse() {
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Some(x) if x > 0 => {
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let mut expires = get_time();
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expires.sec += x;
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max_age = Some(at(expires));
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}
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Some(_) => {
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max_age = Some(at(Timespec::new(0, 0)))
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}
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None => continue
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}
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}
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x => { println!("Undefined cookie attr value: {:?}", x); }
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}
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} else if cookie_av.eq_ignore_ascii_case("secure") {
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secure = true;
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} else if cookie_av.eq_ignore_ascii_case("httponly") {
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http_only = true;
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} else {
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println!("Undefined cookie attr value: {}", cookie_av)
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}
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}
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let url_host = match url.host() {
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Some(x) => x.serialize(),
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None => "".to_string()
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};
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let mut cookie = Cookie {
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name: name.unwrap().to_string(),
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value: value.unwrap().to_string(),
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created_at: now(),
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last_access: now(),
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domain: url_host.clone(),
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expires: None,
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path: path,
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secure: secure,
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http_only: http_only,
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host_only: true,
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persistent: false,
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scheme: url.scheme.clone()
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};
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if max_age.is_some() {
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cookie.persistent = true;
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cookie.expires = max_age;
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} else if expires.is_some() {
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cookie.persistent = true;
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cookie.expires = expires;
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} else {
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cookie.expires = Some(at(Timespec::new(i64::MAX, 0)))
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}
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match PUB_DOMAINS.iter().find(|&x| domain == *x) {
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Some(val) if *val == url_host => domain = "".to_string(),
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Some(_) => return None,
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None => {}
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}
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if !domain.is_empty() {
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if !Cookie::domain_match(url_host.as_slice(), domain.as_slice()) {
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return None;
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} else {
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cookie.host_only = false;
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cookie.domain = domain;
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}
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}
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if cookie.http_only && !url.scheme.as_slice().starts_with("http") {
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return None;
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}
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Some(cookie)
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}
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pub fn touch(&mut self) {
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self.last_access = now();
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}
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fn default_path(request_path: &str) -> String {
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if request_path == "" || request_path.char_at(0) != '/' || request_path == "/" {
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return "/".to_string();
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}
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if request_path.ends_with("/") {
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return request_path.slice_to(request_path.len()-1).to_string();
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}
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return request_path.clone().to_string();
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}
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pub fn path_match(request_path: &str, cookie_path: &str) -> bool {
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request_path == cookie_path ||
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( request_path.starts_with(cookie_path) &&
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( request_path.ends_with("/") || request_path.char_at(cookie_path.len()) == '/' )
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)
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}
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pub fn domain_match(string: &str, domain_string: &str) -> bool {
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if string == domain_string {
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return true;
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}
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if string.ends_with(domain_string)
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&& string.char_at(string.len()-domain_string.len()-1) == '.'
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&& string.parse::<IpAddr>().is_none() {
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return true;
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}
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false
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}
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pub fn appropriate_for_url(&self, url: Url) -> bool {
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let domain = url.host().unwrap().serialize();
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let mut result = if self.host_only {
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self.domain == domain
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} else {
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Cookie::domain_match(domain.as_slice(), self.domain.as_slice())
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};
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result = result && Cookie::path_match(url.serialize_path().unwrap().as_slice(), self.path.as_slice());
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if self.secure {
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result = result && url.scheme == "https".to_string()
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}
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if self.http_only {
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result = result && url.scheme.as_slice().starts_with("http")
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}
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result
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}
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}
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#[test]
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fn test_domain_match() {
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assert!(Cookie::domain_match("foo.com", "foo.com"));
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assert!(Cookie::domain_match("bar.foo.com", "foo.com"));
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assert!(Cookie::domain_match("baz.bar.foo.com", "foo.com"));
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assert!(!Cookie::domain_match("bar.foo.com", "bar.com"));
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assert!(!Cookie::domain_match("bar.com", "baz.bar.com"));
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assert!(!Cookie::domain_match("foo.com", "bar.com"));
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}
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#[test]
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fn test_default_path() {
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assert!(Cookie::default_path("/foo/bar/baz/").as_slice() == "/foo/bar/baz");
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assert!(Cookie::default_path("/foo").as_slice() == "/foo");
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assert!(Cookie::default_path("/").as_slice() == "/");
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assert!(Cookie::default_path("").as_slice() == "/");
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}
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#[test]
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fn fn_cookie_constructor() {
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let url = &Url::parse("http://example.com/foo").unwrap();
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let gov_url = &Url::parse("http://gov.ac/foo").unwrap();
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// cookie name/value test
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assert!(Cookie::new(" baz ".to_string(), url).is_none());
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assert!(Cookie::new(" = bar ".to_string(), url).is_none());
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assert!(Cookie::new(" baz = ".to_string(), url).is_some());
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// cookie domains test
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assert!(Cookie::new(" baz = bar; Domain = ".to_string(), url).is_some());
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assert!(Cookie::new(" baz = bar; Domain = ".to_string(), url).unwrap().domain.as_slice() == "example.com");
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// cookie public domains test
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assert!(Cookie::new(" baz = bar; Domain = gov.ac".to_string(), url).is_none());
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assert!(Cookie::new(" baz = bar; Domain = gov.ac".to_string(), gov_url).is_some());
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// cookie domain matching test
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assert!(Cookie::new(" baz = bar ; Secure; Domain = bazample.com".to_string(), url).is_none());
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assert!(Cookie::new(" baz = bar ; Secure; Path = /foo/bar/".to_string(), url).is_some());
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let cookie = Cookie::new(" baz = bar ; Secure; Path = /foo/bar/".to_string(), url).unwrap();
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assert!(cookie.value.as_slice() == "bar");
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assert!(cookie.name.as_slice() == "baz");
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assert!(cookie.secure);
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assert!(cookie.path.as_slice() == "/foo/bar/");
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assert!(cookie.domain.as_slice() == "example.com");
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assert!(cookie.host_only);
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let u = &Url::parse("http://example.com/foobar").unwrap();
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assert!(Cookie::new("foobar=value;path=/".to_string(), u).is_some());
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}
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#[deriving(Clone)]
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pub struct CookieManager {
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cookies: Vec<Cookie>,
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}
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impl CookieManager {
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pub fn new() -> CookieManager {
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CookieManager {
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cookies: Vec::new()
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}
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}
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pub fn add(&mut self, cookie: &Cookie) -> bool {
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match self.cookies.iter().find(|x| x.domain == cookie.domain && x.name == cookie.name && x.path == cookie.path) {
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Some(c) => {
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if c.http_only && !cookie.scheme.as_slice().starts_with("http") {
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return false
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}
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}
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None => {}
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}
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self.cookies.push(cookie.clone());
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true
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}
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}
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