1pub mod github;
2
3pub use anyhow::{anyhow, Result};
4use derive_more::Deref;
5use futures::future::BoxFuture;
6use futures_lite::FutureExt;
7use isahc::config::{Configurable, RedirectPolicy};
8pub use isahc::{
9 http::{Method, StatusCode, Uri},
10 AsyncBody, Error, HttpClient as IsahcHttpClient, Request, Response,
11};
12#[cfg(feature = "test-support")]
13use std::fmt;
14use std::{
15 sync::{Arc, Mutex},
16 time::Duration,
17};
18pub use url::Url;
19
20pub trait HttpClient: Send + Sync {
21 fn send(
22 &self,
23 req: Request<AsyncBody>,
24 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>>;
25
26 fn get<'a>(
27 &'a self,
28 uri: &str,
29 body: AsyncBody,
30 follow_redirects: bool,
31 ) -> BoxFuture<'a, Result<Response<AsyncBody>, Error>> {
32 let request = isahc::Request::builder()
33 .redirect_policy(if follow_redirects {
34 RedirectPolicy::Follow
35 } else {
36 RedirectPolicy::None
37 })
38 .method(Method::GET)
39 .uri(uri)
40 .body(body);
41 match request {
42 Ok(request) => self.send(request),
43 Err(error) => async move { Err(error.into()) }.boxed(),
44 }
45 }
46
47 fn post_json<'a>(
48 &'a self,
49 uri: &str,
50 body: AsyncBody,
51 ) -> BoxFuture<'a, Result<Response<AsyncBody>, Error>> {
52 let request = isahc::Request::builder()
53 .method(Method::POST)
54 .uri(uri)
55 .header("Content-Type", "application/json")
56 .body(body);
57 match request {
58 Ok(request) => self.send(request),
59 Err(error) => async move { Err(error.into()) }.boxed(),
60 }
61 }
62
63 fn proxy(&self) -> Option<&Uri>;
64}
65
66/// An [`HttpClient`] that may have a proxy.
67#[derive(Deref)]
68pub struct HttpClientWithProxy {
69 #[deref]
70 client: Arc<dyn HttpClient>,
71 proxy: Option<Uri>,
72}
73
74impl HttpClientWithProxy {
75 /// Returns a new [`HttpClientWithProxy`] with the given proxy URL.
76 pub fn new(proxy_url: Option<String>) -> Self {
77 let proxy_url = proxy_url
78 .and_then(|input| {
79 input
80 .parse::<Uri>()
81 .inspect_err(|e| log::error!("Error parsing proxy settings: {}", e))
82 .ok()
83 })
84 .or_else(read_proxy_from_env);
85
86 Self {
87 client: client(proxy_url.clone()),
88 proxy: proxy_url,
89 }
90 }
91}
92
93impl HttpClient for HttpClientWithProxy {
94 fn send(
95 &self,
96 req: Request<AsyncBody>,
97 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
98 self.client.send(req)
99 }
100
101 fn proxy(&self) -> Option<&Uri> {
102 self.proxy.as_ref()
103 }
104}
105
106impl HttpClient for Arc<HttpClientWithProxy> {
107 fn send(
108 &self,
109 req: Request<AsyncBody>,
110 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
111 self.client.send(req)
112 }
113
114 fn proxy(&self) -> Option<&Uri> {
115 self.proxy.as_ref()
116 }
117}
118
119/// An [`HttpClient`] that has a base URL.
120pub struct HttpClientWithUrl {
121 base_url: Mutex<String>,
122 client: HttpClientWithProxy,
123}
124
125impl HttpClientWithUrl {
126 /// Returns a new [`HttpClientWithUrl`] with the given base URL.
127 pub fn new(base_url: impl Into<String>, proxy_url: Option<String>) -> Self {
128 let client = HttpClientWithProxy::new(proxy_url);
129
130 Self {
131 base_url: Mutex::new(base_url.into()),
132 client,
133 }
134 }
135
136 /// Returns the base URL.
137 pub fn base_url(&self) -> String {
138 self.base_url
139 .lock()
140 .map_or_else(|_| Default::default(), |url| url.clone())
141 }
142
143 /// Sets the base URL.
144 pub fn set_base_url(&self, base_url: impl Into<String>) {
145 let base_url = base_url.into();
146 self.base_url
147 .lock()
148 .map(|mut url| {
149 *url = base_url;
150 })
151 .ok();
152 }
153
154 /// Builds a URL using the given path.
155 pub fn build_url(&self, path: &str) -> String {
156 format!("{}{}", self.base_url(), path)
157 }
158
159 /// Builds a Zed API URL using the given path.
160 pub fn build_zed_api_url(&self, path: &str, query: &[(&str, &str)]) -> Result<Url> {
161 let base_url = self.base_url();
162 let base_api_url = match base_url.as_ref() {
163 "https://zed.dev" => "https://api.zed.dev",
164 "https://staging.zed.dev" => "https://api-staging.zed.dev",
165 "http://localhost:3000" => "http://localhost:8080",
166 other => other,
167 };
168
169 Ok(Url::parse_with_params(
170 &format!("{}{}", base_api_url, path),
171 query,
172 )?)
173 }
174}
175
176impl HttpClient for Arc<HttpClientWithUrl> {
177 fn send(
178 &self,
179 req: Request<AsyncBody>,
180 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
181 self.client.send(req)
182 }
183
184 fn proxy(&self) -> Option<&Uri> {
185 self.client.proxy.as_ref()
186 }
187}
188
189impl HttpClient for HttpClientWithUrl {
190 fn send(
191 &self,
192 req: Request<AsyncBody>,
193 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
194 self.client.send(req)
195 }
196
197 fn proxy(&self) -> Option<&Uri> {
198 self.client.proxy.as_ref()
199 }
200}
201
202pub fn client(proxy: Option<Uri>) -> Arc<dyn HttpClient> {
203 Arc::new(HttpClientWithProxy {
204 client: Arc::new(
205 isahc::HttpClient::builder()
206 .connect_timeout(Duration::from_secs(5))
207 .low_speed_timeout(100, Duration::from_secs(5))
208 .proxy(proxy.clone())
209 .build()
210 .unwrap(),
211 ),
212 proxy,
213 })
214}
215
216fn read_proxy_from_env() -> Option<Uri> {
217 const ENV_VARS: &[&str] = &[
218 "ALL_PROXY",
219 "all_proxy",
220 "HTTPS_PROXY",
221 "https_proxy",
222 "HTTP_PROXY",
223 "http_proxy",
224 ];
225
226 for var in ENV_VARS {
227 if let Ok(env) = std::env::var(var) {
228 return env.parse::<Uri>().ok();
229 }
230 }
231
232 None
233}
234
235impl HttpClient for isahc::HttpClient {
236 fn send(
237 &self,
238 req: Request<AsyncBody>,
239 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
240 let client = self.clone();
241 Box::pin(async move { client.send_async(req).await })
242 }
243
244 fn proxy(&self) -> Option<&Uri> {
245 None
246 }
247}
248
249#[cfg(feature = "test-support")]
250type FakeHttpHandler = Box<
251 dyn Fn(Request<AsyncBody>) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>>
252 + Send
253 + Sync
254 + 'static,
255>;
256
257#[cfg(feature = "test-support")]
258pub struct FakeHttpClient {
259 handler: FakeHttpHandler,
260}
261
262#[cfg(feature = "test-support")]
263impl FakeHttpClient {
264 pub fn create<Fut, F>(handler: F) -> Arc<HttpClientWithUrl>
265 where
266 Fut: futures::Future<Output = Result<Response<AsyncBody>, Error>> + Send + 'static,
267 F: Fn(Request<AsyncBody>) -> Fut + Send + Sync + 'static,
268 {
269 Arc::new(HttpClientWithUrl {
270 base_url: Mutex::new("http://test.example".into()),
271 client: HttpClientWithProxy {
272 client: Arc::new(Self {
273 handler: Box::new(move |req| Box::pin(handler(req))),
274 }),
275 proxy: None,
276 },
277 })
278 }
279
280 pub fn with_404_response() -> Arc<HttpClientWithUrl> {
281 Self::create(|_| async move {
282 Ok(Response::builder()
283 .status(404)
284 .body(Default::default())
285 .unwrap())
286 })
287 }
288
289 pub fn with_200_response() -> Arc<HttpClientWithUrl> {
290 Self::create(|_| async move {
291 Ok(Response::builder()
292 .status(200)
293 .body(Default::default())
294 .unwrap())
295 })
296 }
297}
298
299#[cfg(feature = "test-support")]
300impl fmt::Debug for FakeHttpClient {
301 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
302 f.debug_struct("FakeHttpClient").finish()
303 }
304}
305
306#[cfg(feature = "test-support")]
307impl HttpClient for FakeHttpClient {
308 fn send(
309 &self,
310 req: Request<AsyncBody>,
311 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
312 let future = (self.handler)(req);
313 Box::pin(async move { future.await.map(Into::into) })
314 }
315
316 fn proxy(&self) -> Option<&Uri> {
317 None
318 }
319}