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use reqwest::Client;
use super::{Error, Mastodon, Result};
use apps::{AppBuilder, Scope};
pub struct Registration {
base: String,
client: Client,
client_id: Option<String>,
client_secret: Option<String>,
redirect: Option<String>,
scopes: Scope,
}
#[derive(Deserialize)]
struct OAuth {
client_id: String,
client_secret: String,
redirect_uri: String,
}
#[derive(Deserialize)]
struct AccessToken {
access_token: String,
}
impl Registration {
pub fn new<I: Into<String>>(base: I) -> Result<Self> {
Ok(Registration {
base: base.into(),
client: Client::new()?,
client_id: None,
client_secret: None,
redirect: None,
scopes: Scope::Read,
})
}
pub fn register(&mut self, app_builder: AppBuilder) -> Result<()> {
let url = format!("{}/api/v1/apps", self.base);
self.scopes = app_builder.scopes;
let app: OAuth = self.client.post(&url).form(&app_builder).send()?.json()?;
self.client_id = Some(app.client_id);
self.client_secret = Some(app.client_secret);
self.redirect = Some(app.redirect_uri);
Ok(())
}
pub fn authorise(&mut self) -> Result<String> {
self.is_registered()?;
let url = format!(
"{}/oauth/authorize?client_id={}&redirect_uri={}&scope={}&response_type=code",
self.base,
self.client_id.clone().unwrap(),
self.redirect.clone().unwrap(),
self.scopes,
);
Ok(url)
}
fn is_registered(&self) -> Result<()> {
if self.client_id.is_none() {
Err(Error::ClientIdRequired)
} else if self.client_secret.is_none() {
Err(Error::ClientSecretRequired)
} else {
Ok(())
}
}
pub fn create_access_token(self, code: String) -> Result<Mastodon> {
self.is_registered()?;
let url = format!(
"{}/oauth/token?client_id={}&client_secret={}&code={}&grant_type=authorization_code&redirect_uri={}",
self.base,
self.client_id.clone().unwrap(),
self.client_secret.clone().unwrap(),
code,
self.redirect.clone().unwrap()
);
let token: AccessToken = self.client.post(&url).send()?.json()?;
Ok(Mastodon::from_registration(self.base,
self.client_id.unwrap(),
self.client_secret.unwrap(),
self.redirect.unwrap(),
token.access_token,
self.client))
}
}