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[package]
name = "reqwest_cookie_store"
version = "0.1.0"
authors = ["Patrick Fernie <patrick.fernie@gmail.com>"]
edition = "2018"
description = "A simple crate providing an implementation of the `reqwest::cookie::CookieStore` trait for `cookie_store::CookieStore`"
readme = "README.md"
repository = "https://github.com/pfernie/reqwest_cookie_store"
documentation = "https://docs.rs/reqwest_cookie_store"
license = "MIT/Apache-2.0" # https://spdx.org/licenses/
keywords = ["cookie", "jar", "store", "http"] # free text
categories = ["web-programming::http-client", "web-programming"] # https://crates.io/category_slugs
# https://doc.rust-lang.org/cargo/reference/manifest.html
[package.metadata.docs.rs]
all-features = true
rustdoc-args = ["--cfg", "docsrs"]
[dependencies]
bytes = "1.0.1"
cookie = "0.15.0"
cookie_store = "0.13.3"
reqwest = { version = "0.11.3", default-features = false, features = ["cookies"] }
url = "2.2.2"
[dev-dependencies]
tokio-test = "^0.4.1"

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[![Documentation](https://docs.rs/cookie_store/badge.svg)](https://docs.rs/reqwest_cookie_store)
`reqwest_cookie_store` provides implementations of `reqwest::cookie::CookieStore` for [https://crates.io/crates/cookie_store](cookie_store)
# Example
The following example demonstrates loading a [`cookie_store::CookieStore`] from disk, and using it within a
[`CookieStoreMutex`]. It then makes a series of requests, examining and modifying the contents
of the underlying [`cookie_store::CookieStore`] in between.
```no_run
# tokio_test::block_on(async {
// Load an existing set of cookies, serialized as json
let cookie_store = {
let file = std::fs::File::open("cookies.json")
.map(std::io::BufReader::new)
.unwrap();
cookie_store::CookieStore::load_json(file).unwrap()
};
let cookie_store = reqwest_cookie_store::CookieStoreMutex::new(cookie_store);
let cookie_store = std::sync::Arc::new(cookie_store);
{
// Examine initial contents
println!("initial load");
let store = cookie_store.lock().unwrap();
for c in store.iter_any() {
println!("{:?}", c);
}
}
// Build a `reqwest` Client, providing the deserialized store
let client = reqwest::Client::builder()
.cookie_provider(std::sync::Arc::clone(&cookie_store))
.build()
.unwrap();
// Make a sample request
client.get("https://google.com").send().await.unwrap();
{
// Examine the contents of the store.
println!("after google.com GET");
let store = cookie_store.lock().unwrap();
for c in store.iter_any() {
println!("{:?}", c);
}
}
// Make another request from another domain
println!("GET from msn");
client.get("https://msn.com").send().await.unwrap();
{
// Examine the contents of the store.
println!("after msn.com GET");
let mut store = cookie_store.lock().unwrap();
for c in store.iter_any() {
println!("{:?}", c);
}
// Clear the store, and examine again
store.clear();
println!("after clear");
for c in store.iter_any() {
println!("{:?}", c);
}
}
// Get some new cookies
client.get("https://google.com").send().await.unwrap();
{
// Write store back to disk
let mut writer = std::fs::File::create("cookies2.json")
.map(std::io::BufWriter::new)
.unwrap();
let store = cookie_store.lock().unwrap();
store.save_json(&mut writer).unwrap();
}
# });
```

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#![allow(unused_imports)]
#![deny(warnings, missing_debug_implementations, rust_2018_idioms)]
#![cfg_attr(docsrs, feature(doc_cfg))]
//! # Example
//! The following example demonstrates loading a [`cookie_store::CookieStore`] from disk, and using it within a
//! [`CookieStoreMutex`]. It then makes a series of requests, examining and modifying the contents
//! of the underlying [`cookie_store::CookieStore`] in between.
//! ```no_run
//! # tokio_test::block_on(async {
//! // Load an existing set of cookies, serialized as json
//! let cookie_store = {
//! let file = std::fs::File::open("cookies.json")
//! .map(std::io::BufReader::new)
//! .unwrap();
//! cookie_store::CookieStore::load_json(file).unwrap()
//! };
//! let cookie_store = reqwest_cookie_store::CookieStoreMutex::new(cookie_store);
//! let cookie_store = std::sync::Arc::new(cookie_store);
//! {
//! // Examine initial contents
//! println!("initial load");
//! let store = cookie_store.lock().unwrap();
//! for c in store.iter_any() {
//! println!("{:?}", c);
//! }
//! }
//!
//! // Build a `reqwest` Client, providing the deserialized store
//! let client = reqwest::Client::builder()
//! .cookie_provider(std::sync::Arc::clone(&cookie_store))
//! .build()
//! .unwrap();
//!
//! // Make a sample request
//! client.get("https://google.com").send().await.unwrap();
//! {
//! // Examine the contents of the store.
//! println!("after google.com GET");
//! let store = cookie_store.lock().unwrap();
//! for c in store.iter_any() {
//! println!("{:?}", c);
//! }
//! }
//!
//! // Make another request from another domain
//! println!("GET from msn");
//! client.get("https://msn.com").send().await.unwrap();
//! {
//! // Examine the contents of the store.
//! println!("after msn.com GET");
//! let mut store = cookie_store.lock().unwrap();
//! for c in store.iter_any() {
//! println!("{:?}", c);
//! }
//! // Clear the store, and examine again
//! store.clear();
//! println!("after clear");
//! for c in store.iter_any() {
//! println!("{:?}", c);
//! }
//! }
//!
//! // Get some new cookies
//! client.get("https://google.com").send().await.unwrap();
//! {
//! // Write store back to disk
//! let mut writer = std::fs::File::create("cookies2.json")
//! .map(std::io::BufWriter::new)
//! .unwrap();
//! let store = cookie_store.lock().unwrap();
//! store.save_json(&mut writer).unwrap();
//! }
//! # });
//!```
use std::{
ops::Deref,
sync::{LockResult, Mutex, MutexGuard, PoisonError, RwLock, RwLockReadGuard, RwLockWriteGuard},
};
use bytes::Bytes;
use cookie::{Cookie as RawCookie, ParseError as RawCookieParseError};
use cookie_store::CookieStore;
use reqwest::header::HeaderValue;
use url;
fn set_cookies(
cookie_store: &mut CookieStore,
cookie_headers: &mut dyn Iterator<Item = &HeaderValue>,
url: &url::Url,
) {
let cookies = cookie_headers.filter_map(|val| {
std::str::from_utf8(val.as_bytes())
.map_err(RawCookieParseError::from)
.and_then(RawCookie::parse)
.map(|c| c.into_owned())
.ok()
});
cookie_store.store_response_cookies(cookies, url);
}
fn cookies(cookie_store: &CookieStore, url: &url::Url) -> Option<HeaderValue> {
let s = cookie_store
.get_request_cookies(url)
.map(|c| format!("{}={}", c.name(), c.value()))
.collect::<Vec<_>>()
.join("; ");
if s.is_empty() {
return None;
}
HeaderValue::from_maybe_shared(Bytes::from(s)).ok()
}
/// A [`cookie_store::CookieStore`] wrapped internally by a [`std::sync::Mutex`], suitable for use in
/// async/concurrent contexts.
#[derive(Debug)]
pub struct CookieStoreMutex(Mutex<CookieStore>);
impl Default for CookieStoreMutex {
/// Create a new, empty [`CookieStoreMutex`]
fn default() -> Self {
CookieStoreMutex::new(CookieStore::default())
}
}
impl CookieStoreMutex {
/// Create a new [`CookieStoreMutex`] from an existing [`cookie_store::CookieStore`].
pub fn new(cookie_store: CookieStore) -> CookieStoreMutex {
CookieStoreMutex(Mutex::new(cookie_store))
}
/// Lock and get a handle to the contained [`cookie_store::CookieStore`].
pub fn lock(
&self,
) -> Result<MutexGuard<'_, CookieStore>, PoisonError<MutexGuard<'_, CookieStore>>> {
self.0.lock()
}
/// Consumes this [`CookieStoreMutex`], returning the underlying [`cookie_store::CookieStore`]
pub fn into_inner(self) -> LockResult<CookieStore> {
self.0.into_inner()
}
}
impl reqwest::cookie::CookieStore for CookieStoreMutex {
fn set_cookies(&self, cookie_headers: &mut dyn Iterator<Item = &HeaderValue>, url: &url::Url) {
let mut store = self.0.lock().unwrap();
set_cookies(&mut store, cookie_headers, url);
}
fn cookies(&self, url: &url::Url) -> Option<HeaderValue> {
let store = self.0.lock().unwrap();
cookies(&store, url)
}
}
/// A [`cookie_store::CookieStore`] wrapped internally by a [`std::sync::RwLock`], suitable for use in
/// async/concurrent contexts.
#[derive(Debug)]
pub struct CookieStoreRwLock(RwLock<CookieStore>);
impl Default for CookieStoreRwLock {
/// Create a new, empty [`CookieStoreRwLock`].
fn default() -> Self {
CookieStoreRwLock::new(CookieStore::default())
}
}
impl CookieStoreRwLock {
/// Create a new [`CookieStoreRwLock`] from an existing [`cookie_store::CookieStore`].
pub fn new(cookie_store: CookieStore) -> CookieStoreRwLock {
CookieStoreRwLock(RwLock::new(cookie_store))
}
/// Lock and get a read (non-exclusive) handle to the contained [`cookie_store::CookieStore`].
pub fn read(
&self,
) -> Result<RwLockReadGuard<'_, CookieStore>, PoisonError<RwLockReadGuard<'_, CookieStore>>>
{
self.0.read()
}
/// Lock and get a write (exclusive) handle to the contained [`cookie_store::CookieStore`].
pub fn write(
&self,
) -> Result<RwLockWriteGuard<'_, CookieStore>, PoisonError<RwLockWriteGuard<'_, CookieStore>>>
{
self.0.write()
}
/// Consume this [`CookieStoreRwLock`], returning the underlying [`cookie_store::CookieStore`]
pub fn into_inner(self) -> LockResult<CookieStore> {
self.0.into_inner()
}
}
impl reqwest::cookie::CookieStore for CookieStoreRwLock {
fn set_cookies(&self, cookie_headers: &mut dyn Iterator<Item = &HeaderValue>, url: &url::Url) {
let mut write = self.0.write().unwrap();
set_cookies(&mut write, cookie_headers, url);
}
fn cookies(&self, url: &url::Url) -> Option<HeaderValue> {
let read = self.0.read().unwrap();
cookies(&read, url)
}
}