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 struct SystemIdHeader(String);
65
66impl Header for SystemIdHeader {
67 fn name() -> &'static HeaderName {
68 static SYSTEM_ID_HEADER: OnceLock<HeaderName> = OnceLock::new();
69 SYSTEM_ID_HEADER.get_or_init(|| HeaderName::from_static("x-zed-system-id"))
70 }
71
72 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
73 where
74 Self: Sized,
75 I: Iterator<Item = &'i axum::http::HeaderValue>,
76 {
77 let system_id = values
78 .next()
79 .ok_or_else(axum::headers::Error::invalid)?
80 .to_str()
81 .map_err(|_| axum::headers::Error::invalid())?;
82
83 Ok(Self(system_id.to_string()))
84 }
85
86 fn encode<E: Extend<axum::http::HeaderValue>>(&self, _values: &mut E) {
87 unimplemented!()
88 }
89}
90
91impl std::fmt::Display for SystemIdHeader {
92 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
93 write!(f, "{}", self.0)
94 }
95}
96
97pub fn routes(rpc_server: Arc<rpc::Server>) -> Router<(), Body> {
98 Router::new()
99 .route("/user", get(get_authenticated_user))
100 .route("/users/:id/access_tokens", post(create_access_token))
101 .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
102 .merge(billing::router())
103 .merge(contributors::router())
104 .layer(
105 ServiceBuilder::new()
106 .layer(Extension(rpc_server))
107 .layer(middleware::from_fn(validate_api_token)),
108 )
109}
110
111pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoResponse {
112 let token = req
113 .headers()
114 .get(http::header::AUTHORIZATION)
115 .and_then(|header| header.to_str().ok())
116 .ok_or_else(|| {
117 Error::http(
118 StatusCode::BAD_REQUEST,
119 "missing authorization header".to_string(),
120 )
121 })?
122 .strip_prefix("token ")
123 .ok_or_else(|| {
124 Error::http(
125 StatusCode::BAD_REQUEST,
126 "invalid authorization header".to_string(),
127 )
128 })?;
129
130 let state = req.extensions().get::<Arc<AppState>>().unwrap();
131
132 if token != state.config.api_token {
133 Err(Error::http(
134 StatusCode::UNAUTHORIZED,
135 "invalid authorization token".to_string(),
136 ))?
137 }
138
139 Ok::<_, Error>(next.run(req).await)
140}
141
142#[derive(Debug, Deserialize)]
143struct AuthenticatedUserParams {
144 github_user_id: i32,
145 github_login: String,
146 github_email: Option<String>,
147 github_user_created_at: chrono::DateTime<chrono::Utc>,
148}
149
150#[derive(Debug, Serialize)]
151struct AuthenticatedUserResponse {
152 user: User,
153 metrics_id: String,
154}
155
156async fn get_authenticated_user(
157 Query(params): Query<AuthenticatedUserParams>,
158 Extension(app): Extension<Arc<AppState>>,
159) -> Result<Json<AuthenticatedUserResponse>> {
160 let initial_channel_id = app.config.auto_join_channel_id;
161
162 let user = app
163 .db
164 .get_or_create_user_by_github_account(
165 ¶ms.github_login,
166 params.github_user_id,
167 params.github_email.as_deref(),
168 params.github_user_created_at,
169 initial_channel_id,
170 )
171 .await?;
172 let metrics_id = app.db.get_user_metrics_id(user.id).await?;
173 Ok(Json(AuthenticatedUserResponse { user, metrics_id }))
174}
175
176#[derive(Deserialize, Debug)]
177struct CreateUserParams {
178 github_user_id: i32,
179 github_login: String,
180 email_address: String,
181 email_confirmation_code: Option<String>,
182 #[serde(default)]
183 admin: bool,
184 #[serde(default)]
185 invite_count: i32,
186}
187
188async fn get_rpc_server_snapshot(
189 Extension(rpc_server): Extension<Arc<rpc::Server>>,
190) -> Result<ErasedJson> {
191 Ok(ErasedJson::pretty(rpc_server.snapshot().await))
192}
193
194#[derive(Deserialize)]
195struct CreateAccessTokenQueryParams {
196 public_key: String,
197 impersonate: Option<String>,
198}
199
200#[derive(Serialize)]
201struct CreateAccessTokenResponse {
202 user_id: UserId,
203 encrypted_access_token: String,
204}
205
206async fn create_access_token(
207 Path(user_id): Path<UserId>,
208 Query(params): Query<CreateAccessTokenQueryParams>,
209 Extension(app): Extension<Arc<AppState>>,
210) -> Result<Json<CreateAccessTokenResponse>> {
211 let user = app
212 .db
213 .get_user_by_id(user_id)
214 .await?
215 .ok_or_else(|| anyhow!("user not found"))?;
216
217 let mut impersonated_user_id = None;
218 if let Some(impersonate) = params.impersonate {
219 if user.admin {
220 if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
221 impersonated_user_id = Some(impersonated_user.id);
222 } else {
223 return Err(Error::http(
224 StatusCode::UNPROCESSABLE_ENTITY,
225 format!("user {impersonate} does not exist"),
226 ));
227 }
228 } else {
229 return Err(Error::http(
230 StatusCode::UNAUTHORIZED,
231 "you do not have permission to impersonate other users".to_string(),
232 ));
233 }
234 }
235
236 let access_token =
237 auth::create_access_token(app.db.as_ref(), user_id, impersonated_user_id).await?;
238 let encrypted_access_token =
239 auth::encrypt_access_token(&access_token, params.public_key.clone())?;
240
241 Ok(Json(CreateAccessTokenResponse {
242 user_id: impersonated_user_id.unwrap_or(user_id),
243 encrypted_access_token,
244 }))
245}