yup-oauth2 0.3.7

A partial oauth2 implementation, providing the 'device' authorization flow
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This library can be used to acquire oauth2.0 authentication for services. At the time of writing, only one way of doing so is implemented, the device flow, along with a flow for refreshing tokens

For your application to use this library, you will have to obtain an application id and secret by following this guide.

Device Flow Usage

As the DeviceFlow involves polling, the DeviceFlowHelper should be used as means to adhere to the protocol, and remain resilient to all kinds of errors that can occour on the way.

The returned Token should be stored permanently to authorize future API requests.

extern crate hyper;
extern crate yup_oauth2 as oauth2;
extern crate rustc_serialize;

use oauth2::{Authenticator, DefaultAuthenticatorDelegate, PollInformation, ConsoleApplicationSecret, MemoryStorage, GetToken};
use rustc_serialize::json;
use std::default::Default;
# const SECRET: &'static str = "{\"installed\":{\"auth_uri\":\"https://accounts.google.com/o/oauth2/auth\",\"client_secret\":\"UqkDJd5RFwnHoiG5x5Rub8SI\",\"token_uri\":\"https://accounts.google.com/o/oauth2/token\",\"client_email\":\"\",\"redirect_uris\":[\"urn:ietf:wg:oauth:2.0:oob\",\"oob\"],\"client_x509_cert_url\":\"\",\"client_id\":\"14070749909-vgip2f1okm7bkvajhi9jugan6126io9v.apps.googleusercontent.com\",\"auth_provider_x509_cert_url\":\"https://www.googleapis.com/oauth2/v1/certs\"}}";

# #[test] fn device() {
let secret = json::decode::<ConsoleApplicationSecret>(SECRET).unwrap().installed.unwrap();
let res = Authenticator::new(&secret, DefaultAuthenticatorDelegate,
                        <MemoryStorage as Default>::default(), None)
match res {
    Ok(t) => {
    // now you can use t.access_token to authenticate API calls within your
    // given scopes. It will not be valid forever, which is when you have to 
    // refresh it using the `RefreshFlow`
    Err(err) => println!("Failed to acquire token: {}", err),
# }

Refresh Flow Usage

As the Token you retrieved previously will only be valid for a certain time, you will have to use the information from the Token.refresh_token field to get a new access_token.

extern crate hyper;
extern crate yup_oauth2 as oauth2;
use oauth2::{RefreshFlow, FlowType, RefreshResult};

# #[test] fn refresh() {
let mut f = RefreshFlow::new(hyper::Client::new());
let new_token = match *f.refresh_token(FlowType::Device,
                                       "my_client_id", "my_secret",
                                       "my_refresh_token") {
                       RefreshResult::Success(ref t) => t,
                       _ => panic!("bad luck ;)")
# }