1mod extensions;
2
3use crate::{
4 auth,
5 db::{ContributorSelector, User, UserId},
6 rpc, AppState, Error, Result,
7};
8use anyhow::anyhow;
9use axum::{
10 body::Body,
11 extract::{Path, Query},
12 http::{self, Request, StatusCode},
13 middleware::{self, Next},
14 response::IntoResponse,
15 routing::{get, post},
16 Extension, Json, Router,
17};
18use axum_extra::response::ErasedJson;
19use chrono::SecondsFormat;
20use serde::{Deserialize, Serialize};
21use std::sync::Arc;
22use tower::ServiceBuilder;
23use tracing::instrument;
24
25pub use extensions::fetch_extensions_from_blob_store_periodically;
26
27pub fn routes(rpc_server: Arc<rpc::Server>, state: Arc<AppState>) -> Router<Body> {
28 Router::new()
29 .route("/user", get(get_authenticated_user))
30 .route("/users/:id/access_tokens", post(create_access_token))
31 .route("/panic", post(trace_panic))
32 .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
33 .route("/contributors", get(get_contributors).post(add_contributor))
34 .route("/contributor", get(check_is_contributor))
35 .merge(extensions::router())
36 .layer(
37 ServiceBuilder::new()
38 .layer(Extension(state))
39 .layer(Extension(rpc_server))
40 .layer(middleware::from_fn(validate_api_token)),
41 )
42}
43
44pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoResponse {
45 let token = req
46 .headers()
47 .get(http::header::AUTHORIZATION)
48 .and_then(|header| header.to_str().ok())
49 .ok_or_else(|| {
50 Error::Http(
51 StatusCode::BAD_REQUEST,
52 "missing authorization header".to_string(),
53 )
54 })?
55 .strip_prefix("token ")
56 .ok_or_else(|| {
57 Error::Http(
58 StatusCode::BAD_REQUEST,
59 "invalid authorization header".to_string(),
60 )
61 })?;
62
63 let state = req.extensions().get::<Arc<AppState>>().unwrap();
64
65 if token != state.config.api_token {
66 Err(Error::Http(
67 StatusCode::UNAUTHORIZED,
68 "invalid authorization token".to_string(),
69 ))?
70 }
71
72 Ok::<_, Error>(next.run(req).await)
73}
74
75#[derive(Debug, Deserialize)]
76struct AuthenticatedUserParams {
77 github_user_id: Option<i32>,
78 github_login: String,
79 github_email: Option<String>,
80}
81
82#[derive(Debug, Serialize)]
83struct AuthenticatedUserResponse {
84 user: User,
85 metrics_id: String,
86}
87
88async fn get_authenticated_user(
89 Query(params): Query<AuthenticatedUserParams>,
90 Extension(app): Extension<Arc<AppState>>,
91) -> Result<Json<AuthenticatedUserResponse>> {
92 let user = app
93 .db
94 .get_or_create_user_by_github_account(
95 ¶ms.github_login,
96 params.github_user_id,
97 params.github_email.as_deref(),
98 )
99 .await?;
100 let metrics_id = app.db.get_user_metrics_id(user.id).await?;
101 return Ok(Json(AuthenticatedUserResponse { user, metrics_id }));
102}
103
104#[derive(Deserialize, Debug)]
105struct CreateUserParams {
106 github_user_id: i32,
107 github_login: String,
108 email_address: String,
109 email_confirmation_code: Option<String>,
110 #[serde(default)]
111 admin: bool,
112 #[serde(default)]
113 invite_count: i32,
114}
115
116#[derive(Serialize, Debug)]
117struct CreateUserResponse {
118 user: User,
119 signup_device_id: Option<String>,
120 metrics_id: String,
121}
122
123#[derive(Debug, Deserialize)]
124struct Panic {
125 version: String,
126 release_channel: String,
127 backtrace_hash: String,
128 text: String,
129}
130
131#[instrument(skip(panic))]
132async fn trace_panic(panic: Json<Panic>) -> Result<()> {
133 tracing::error!(version = %panic.version, release_channel = %panic.release_channel, backtrace_hash = %panic.backtrace_hash, text = %panic.text, "panic report");
134 Ok(())
135}
136
137async fn get_rpc_server_snapshot(
138 Extension(rpc_server): Extension<Arc<rpc::Server>>,
139) -> Result<ErasedJson> {
140 Ok(ErasedJson::pretty(rpc_server.snapshot().await))
141}
142
143async fn get_contributors(Extension(app): Extension<Arc<AppState>>) -> Result<Json<Vec<String>>> {
144 Ok(Json(app.db.get_contributors().await?))
145}
146
147#[derive(Debug, Deserialize)]
148struct CheckIsContributorParams {
149 github_user_id: Option<i32>,
150 github_login: Option<String>,
151}
152
153impl CheckIsContributorParams {
154 fn as_contributor_selector(self) -> Result<ContributorSelector> {
155 if let Some(github_user_id) = self.github_user_id {
156 return Ok(ContributorSelector::GitHubUserId { github_user_id });
157 }
158
159 if let Some(github_login) = self.github_login {
160 return Ok(ContributorSelector::GitHubLogin { github_login });
161 }
162
163 Err(anyhow!(
164 "must be one of `github_user_id` or `github_login`."
165 ))?
166 }
167}
168
169#[derive(Debug, Serialize)]
170struct CheckIsContributorResponse {
171 signed_at: Option<String>,
172}
173
174async fn check_is_contributor(
175 Extension(app): Extension<Arc<AppState>>,
176 Query(params): Query<CheckIsContributorParams>,
177) -> Result<Json<CheckIsContributorResponse>> {
178 let params = params.as_contributor_selector()?;
179 Ok(Json(CheckIsContributorResponse {
180 signed_at: app
181 .db
182 .get_contributor_sign_timestamp(¶ms)
183 .await?
184 .map(|ts| ts.and_utc().to_rfc3339_opts(SecondsFormat::Millis, true)),
185 }))
186}
187
188async fn add_contributor(
189 Json(params): Json<AuthenticatedUserParams>,
190 Extension(app): Extension<Arc<AppState>>,
191) -> Result<()> {
192 Ok(app
193 .db
194 .add_contributor(
195 ¶ms.github_login,
196 params.github_user_id,
197 params.github_email.as_deref(),
198 )
199 .await?)
200}
201
202#[derive(Deserialize)]
203struct CreateAccessTokenQueryParams {
204 public_key: String,
205 impersonate: Option<String>,
206}
207
208#[derive(Serialize)]
209struct CreateAccessTokenResponse {
210 user_id: UserId,
211 encrypted_access_token: String,
212}
213
214async fn create_access_token(
215 Path(user_id): Path<UserId>,
216 Query(params): Query<CreateAccessTokenQueryParams>,
217 Extension(app): Extension<Arc<AppState>>,
218) -> Result<Json<CreateAccessTokenResponse>> {
219 let user = app
220 .db
221 .get_user_by_id(user_id)
222 .await?
223 .ok_or_else(|| anyhow!("user not found"))?;
224
225 let mut impersonated_user_id = None;
226 if let Some(impersonate) = params.impersonate {
227 if user.admin {
228 if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
229 impersonated_user_id = Some(impersonated_user.id);
230 } else {
231 return Err(Error::Http(
232 StatusCode::UNPROCESSABLE_ENTITY,
233 format!("user {impersonate} does not exist"),
234 ));
235 }
236 } else {
237 return Err(Error::Http(
238 StatusCode::UNAUTHORIZED,
239 "you do not have permission to impersonate other users".to_string(),
240 ));
241 }
242 }
243
244 let access_token =
245 auth::create_access_token(app.db.as_ref(), user_id, impersonated_user_id).await?;
246 let encrypted_access_token =
247 auth::encrypt_access_token(&access_token, params.public_key.clone())?;
248
249 Ok(Json(CreateAccessTokenResponse {
250 user_id: impersonated_user_id.unwrap_or(user_id),
251 encrypted_access_token,
252 }))
253}