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lewis.moe
1mod common;
2use axum::{Router, extract::Request, http::StatusCode, routing::any};
3use base64::{Engine as _, engine::general_purpose::URL_SAFE_NO_PAD};
4use reqwest::Client;
5use std::sync::Arc;
6use tokio::net::TcpListener;
7async fn spawn_mock_upstream() -> (
8 String,
9 tokio::sync::mpsc::Receiver<(String, String, Option<String>)>,
10) {
11 let (tx, rx) = tokio::sync::mpsc::channel(10);
12 let tx = Arc::new(tx);
13 let app = Router::new().fallback(any(move |req: Request| {
14 let tx = tx.clone();
15 async move {
16 let method = req.method().to_string();
17 let uri = req.uri().to_string();
18 let auth = req
19 .headers()
20 .get("Authorization")
21 .and_then(|h| h.to_str().ok())
22 .map(|s| s.to_string());
23 let _ = tx.send((method, uri, auth)).await;
24 (StatusCode::OK, "Mock Response")
25 }
26 }));
27 let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
28 let addr = listener.local_addr().unwrap();
29 tokio::spawn(async move {
30 axum::serve(listener, app).await.unwrap();
31 });
32 (format!("http://{}", addr), rx)
33}
34#[tokio::test]
35async fn test_proxy_via_header() {
36 let app_url = common::base_url().await;
37 let (upstream_url, mut rx) = spawn_mock_upstream().await;
38 let client = Client::new();
39 let res = client
40 .get(format!("{}/xrpc/com.example.test", app_url))
41 .header("atproto-proxy", &upstream_url)
42 .header("Authorization", "Bearer test-token")
43 .send()
44 .await
45 .unwrap();
46 assert_eq!(res.status(), StatusCode::OK);
47 let (method, uri, auth) = rx.recv().await.expect("Upstream should receive request");
48 assert_eq!(method, "GET");
49 assert_eq!(uri, "/xrpc/com.example.test");
50 assert_eq!(auth, Some("Bearer test-token".to_string()));
51}
52#[tokio::test]
53async fn test_proxy_auth_signing() {
54 let app_url = common::base_url().await;
55 let (upstream_url, mut rx) = spawn_mock_upstream().await;
56 let client = Client::new();
57 let (access_jwt, did) = common::create_account_and_login(&client).await;
58 let res = client
59 .get(format!("{}/xrpc/com.example.signed", app_url))
60 .header("atproto-proxy", &upstream_url)
61 .header("Authorization", format!("Bearer {}", access_jwt))
62 .send()
63 .await
64 .unwrap();
65 assert_eq!(res.status(), StatusCode::OK);
66 let (method, uri, auth) = rx.recv().await.expect("Upstream receive");
67 assert_eq!(method, "GET");
68 assert_eq!(uri, "/xrpc/com.example.signed");
69 let received_token = auth.expect("No auth header").replace("Bearer ", "");
70 assert_ne!(received_token, access_jwt, "Token should be replaced");
71 let parts: Vec<&str> = received_token.split('.').collect();
72 assert_eq!(parts.len(), 3);
73 let payload_bytes = URL_SAFE_NO_PAD.decode(parts[1]).expect("payload b64");
74 let claims: serde_json::Value = serde_json::from_slice(&payload_bytes).expect("payload json");
75 assert_eq!(claims["iss"], did);
76 assert_eq!(claims["sub"], did);
77 assert_eq!(claims["aud"], upstream_url);
78 assert_eq!(claims["lxm"], "com.example.signed");
79}
80#[tokio::test]
81async fn test_proxy_post_with_body() {
82 let app_url = common::base_url().await;
83 let (upstream_url, mut rx) = spawn_mock_upstream().await;
84 let client = Client::new();
85 let payload = serde_json::json!({
86 "text": "Hello from proxy test",
87 "createdAt": "2024-01-01T00:00:00Z"
88 });
89 let res = client
90 .post(format!("{}/xrpc/com.example.postMethod", app_url))
91 .header("atproto-proxy", &upstream_url)
92 .header("Authorization", "Bearer test-token")
93 .json(&payload)
94 .send()
95 .await
96 .unwrap();
97 assert_eq!(res.status(), StatusCode::OK);
98 let (method, uri, auth) = rx.recv().await.expect("Upstream should receive request");
99 assert_eq!(method, "POST");
100 assert_eq!(uri, "/xrpc/com.example.postMethod");
101 assert_eq!(auth, Some("Bearer test-token".to_string()));
102}
103#[tokio::test]
104async fn test_proxy_with_query_params() {
105 let app_url = common::base_url().await;
106 let (upstream_url, mut rx) = spawn_mock_upstream().await;
107 let client = Client::new();
108 let res = client
109 .get(format!(
110 "{}/xrpc/com.example.query?repo=did:plc:test&collection=app.bsky.feed.post&limit=50",
111 app_url
112 ))
113 .header("atproto-proxy", &upstream_url)
114 .header("Authorization", "Bearer test-token")
115 .send()
116 .await
117 .unwrap();
118 assert_eq!(res.status(), StatusCode::OK);
119 let (method, uri, _auth) = rx.recv().await.expect("Upstream should receive request");
120 assert_eq!(method, "GET");
121 assert!(
122 uri.contains("repo=did") || uri.contains("repo=did%3Aplc%3Atest"),
123 "URI should contain repo param, got: {}",
124 uri
125 );
126 assert!(
127 uri.contains("collection=app.bsky.feed.post") || uri.contains("collection=app.bsky"),
128 "URI should contain collection param, got: {}",
129 uri
130 );
131 assert!(
132 uri.contains("limit=50"),
133 "URI should contain limit param, got: {}",
134 uri
135 );
136}