Added cookies to the icon download request.

Some sites use XSRF Tokens, or other Tokens to verify a subseqense
response. The cookies which are sent during the page request are now
used when downloading the favicon.

A site which uses this is mijn.ing.nl.
This commit is contained in:
BlackDex 2019-01-31 15:49:58 +01:00
parent f42ac5f2c0
commit 5016e30cf2

View File

@ -8,6 +8,8 @@ use rocket::Route;
use reqwest::{header::HeaderMap, Client, Response};
use rocket::http::{Cookie};
use regex::Regex;
use soup::prelude::*;
@ -147,7 +149,7 @@ struct IconList {
/// favicon_location1 = get_icon_url("github.com");
/// favicon_location2 = get_icon_url("gitlab.com");
/// ```
fn get_icon_url(domain: &str) -> Result<String, Error> {
fn get_icon_url(domain: &str) -> Result<(String, String), Error> {
// Default URL with secure and insecure schemes
let ssldomain = format!("https://{}", domain);
let httpdomain = format!("http://{}", domain);
@ -155,10 +157,20 @@ fn get_icon_url(domain: &str) -> Result<String, Error> {
// Create the iconlist
let mut iconlist: Vec<IconList> = Vec::new();
// Create the cookie_str to fill it all the cookies from the response
// These cookies can be used to request/download the favicon image.
// Some sites have extra security in place with for example XSRF Tokens.
let mut cookie_str = String::new();
let resp = get_page(&ssldomain).or_else(|_| get_page(&httpdomain));
if let Ok(content) = resp {
// Extract the URL from the respose in case redirects occured (like @ gitlab.com)
let url = content.url().clone();
let raw_cookies = content.headers().get_all("set-cookie");
raw_cookies.iter().for_each(|raw_cookie| {
let cookie = Cookie::parse(raw_cookie.to_str().unwrap_or_default()).unwrap();
cookie_str.push_str(&format!("{}={}; ", cookie.name(), cookie.value()));
});
// Add the default favicon.ico to the list with the domain the content responded from.
iconlist.push(IconList { priority: 35, href: url.join("/favicon.ico").unwrap().into_string() });
@ -188,11 +200,16 @@ fn get_icon_url(domain: &str) -> Result<String, Error> {
iconlist.sort_by_key(|x| x.priority);
// There always is an icon in the list, so no need to check if it exists, and just return the first one
Ok(iconlist.remove(0).href)
Ok((iconlist.remove(0).href, cookie_str))
}
fn get_page(url: &str) -> Result<Response, Error> {
CLIENT.get(url).send()?.error_for_status().map_err(Into::into)
//CLIENT.get(url).send()?.error_for_status().map_err(Into::into)
get_page_with_cookies(url, "")
}
fn get_page_with_cookies(url: &str, cookie_str: &str) -> Result<Response, Error> {
CLIENT.get(url).header("cookie", cookie_str).send()?.error_for_status().map_err(Into::into)
}
/// Returns a Integer with the priority of the type of the icon which to prefer.
@ -244,10 +261,10 @@ fn get_icon_priority(href: &str, sizes: &str) -> u8 {
}
fn download_icon(domain: &str) -> Result<Vec<u8>, Error> {
let url = get_icon_url(&domain)?;
let (url, cookie_str) = get_icon_url(&domain)?;
info!("Downloading icon for {} via {}...", domain, url);
let mut res = get_page(&url)?;
let mut res = get_page_with_cookies(&url, &cookie_str)?;
let mut buffer = Vec::new();
res.copy_to(&mut buffer)?;