1pub mod billing;
2pub mod contributors;
3pub mod events;
4pub mod extensions;
5pub mod ips_file;
6pub mod slack;
7
8use crate::{
9 auth,
10 db::{User, UserId},
11 rpc, AppState, Error, Result,
12};
13use anyhow::anyhow;
14use axum::{
15 body::Body,
16 extract::{Path, Query},
17 headers::Header,
18 http::{self, HeaderName, Request, StatusCode},
19 middleware::{self, Next},
20 response::IntoResponse,
21 routing::{get, post},
22 Extension, Json, Router,
23};
24use axum_extra::response::ErasedJson;
25use serde::{Deserialize, Serialize};
26use std::sync::{Arc, OnceLock};
27use tower::ServiceBuilder;
28
29pub use extensions::fetch_extensions_from_blob_store_periodically;
30
31pub struct CloudflareIpCountryHeader(String);
32
33impl Header for CloudflareIpCountryHeader {
34 fn name() -> &'static HeaderName {
35 static CLOUDFLARE_IP_COUNTRY_HEADER: OnceLock<HeaderName> = OnceLock::new();
36 CLOUDFLARE_IP_COUNTRY_HEADER.get_or_init(|| HeaderName::from_static("cf-ipcountry"))
37 }
38
39 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
40 where
41 Self: Sized,
42 I: Iterator<Item = &'i axum::http::HeaderValue>,
43 {
44 let country_code = values
45 .next()
46 .ok_or_else(axum::headers::Error::invalid)?
47 .to_str()
48 .map_err(|_| axum::headers::Error::invalid())?;
49
50 Ok(Self(country_code.to_string()))
51 }
52
53 fn encode<E: Extend<axum::http::HeaderValue>>(&self, _values: &mut E) {
54 unimplemented!()
55 }
56}
57
58impl std::fmt::Display for CloudflareIpCountryHeader {
59 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
60 write!(f, "{}", self.0)
61 }
62}
63
64pub fn routes(rpc_server: Arc<rpc::Server>) -> Router<(), Body> {
65 Router::new()
66 .route("/user", get(get_authenticated_user))
67 .route("/users/:id/access_tokens", post(create_access_token))
68 .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
69 .merge(billing::router())
70 .merge(contributors::router())
71 .layer(
72 ServiceBuilder::new()
73 .layer(Extension(rpc_server))
74 .layer(middleware::from_fn(validate_api_token)),
75 )
76}
77
78pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoResponse {
79 let token = req
80 .headers()
81 .get(http::header::AUTHORIZATION)
82 .and_then(|header| header.to_str().ok())
83 .ok_or_else(|| {
84 Error::http(
85 StatusCode::BAD_REQUEST,
86 "missing authorization header".to_string(),
87 )
88 })?
89 .strip_prefix("token ")
90 .ok_or_else(|| {
91 Error::http(
92 StatusCode::BAD_REQUEST,
93 "invalid authorization header".to_string(),
94 )
95 })?;
96
97 let state = req.extensions().get::<Arc<AppState>>().unwrap();
98
99 if token != state.config.api_token {
100 Err(Error::http(
101 StatusCode::UNAUTHORIZED,
102 "invalid authorization token".to_string(),
103 ))?
104 }
105
106 Ok::<_, Error>(next.run(req).await)
107}
108
109#[derive(Debug, Deserialize)]
110struct AuthenticatedUserParams {
111 github_user_id: Option<i32>,
112 github_login: String,
113 github_email: Option<String>,
114}
115
116#[derive(Debug, Serialize)]
117struct AuthenticatedUserResponse {
118 user: User,
119 metrics_id: String,
120}
121
122async fn get_authenticated_user(
123 Query(params): Query<AuthenticatedUserParams>,
124 Extension(app): Extension<Arc<AppState>>,
125) -> Result<Json<AuthenticatedUserResponse>> {
126 let initial_channel_id = app.config.auto_join_channel_id;
127
128 let user = app
129 .db
130 .get_or_create_user_by_github_account(
131 ¶ms.github_login,
132 params.github_user_id,
133 params.github_email.as_deref(),
134 initial_channel_id,
135 )
136 .await?;
137 let metrics_id = app.db.get_user_metrics_id(user.id).await?;
138 return Ok(Json(AuthenticatedUserResponse { user, metrics_id }));
139}
140
141#[derive(Deserialize, Debug)]
142struct CreateUserParams {
143 github_user_id: i32,
144 github_login: String,
145 email_address: String,
146 email_confirmation_code: Option<String>,
147 #[serde(default)]
148 admin: bool,
149 #[serde(default)]
150 invite_count: i32,
151}
152
153async fn get_rpc_server_snapshot(
154 Extension(rpc_server): Extension<Arc<rpc::Server>>,
155) -> Result<ErasedJson> {
156 Ok(ErasedJson::pretty(rpc_server.snapshot().await))
157}
158
159#[derive(Deserialize)]
160struct CreateAccessTokenQueryParams {
161 public_key: String,
162 impersonate: Option<String>,
163}
164
165#[derive(Serialize)]
166struct CreateAccessTokenResponse {
167 user_id: UserId,
168 encrypted_access_token: String,
169}
170
171async fn create_access_token(
172 Path(user_id): Path<UserId>,
173 Query(params): Query<CreateAccessTokenQueryParams>,
174 Extension(app): Extension<Arc<AppState>>,
175) -> Result<Json<CreateAccessTokenResponse>> {
176 let user = app
177 .db
178 .get_user_by_id(user_id)
179 .await?
180 .ok_or_else(|| anyhow!("user not found"))?;
181
182 let mut impersonated_user_id = None;
183 if let Some(impersonate) = params.impersonate {
184 if user.admin {
185 if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
186 impersonated_user_id = Some(impersonated_user.id);
187 } else {
188 return Err(Error::http(
189 StatusCode::UNPROCESSABLE_ENTITY,
190 format!("user {impersonate} does not exist"),
191 ));
192 }
193 } else {
194 return Err(Error::http(
195 StatusCode::UNAUTHORIZED,
196 "you do not have permission to impersonate other users".to_string(),
197 ));
198 }
199 }
200
201 let access_token =
202 auth::create_access_token(app.db.as_ref(), user_id, impersonated_user_id).await?;
203 let encrypted_access_token =
204 auth::encrypt_access_token(&access_token, params.public_key.clone())?;
205
206 Ok(Json(CreateAccessTokenResponse {
207 user_id: impersonated_user_id.unwrap_or(user_id),
208 encrypted_access_token,
209 }))
210}