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(user_agent: Option<String>, 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(user_agent, 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(
128 base_url: impl Into<String>,
129 user_agent: Option<String>,
130 proxy_url: Option<String>,
131 ) -> Self {
132 let client = HttpClientWithProxy::new(user_agent, proxy_url);
133
134 Self {
135 base_url: Mutex::new(base_url.into()),
136 client,
137 }
138 }
139
140 /// Returns the base URL.
141 pub fn base_url(&self) -> String {
142 self.base_url
143 .lock()
144 .map_or_else(|_| Default::default(), |url| url.clone())
145 }
146
147 /// Sets the base URL.
148 pub fn set_base_url(&self, base_url: impl Into<String>) {
149 let base_url = base_url.into();
150 self.base_url
151 .lock()
152 .map(|mut url| {
153 *url = base_url;
154 })
155 .ok();
156 }
157
158 /// Builds a URL using the given path.
159 pub fn build_url(&self, path: &str) -> String {
160 format!("{}{}", self.base_url(), path)
161 }
162
163 /// Builds a Zed API URL using the given path.
164 pub fn build_zed_api_url(&self, path: &str, query: &[(&str, &str)]) -> Result<Url> {
165 let base_url = self.base_url();
166 let base_api_url = match base_url.as_ref() {
167 "https://zed.dev" => "https://api.zed.dev",
168 "https://staging.zed.dev" => "https://api-staging.zed.dev",
169 "http://localhost:3000" => "http://localhost:8080",
170 other => other,
171 };
172
173 Ok(Url::parse_with_params(
174 &format!("{}{}", base_api_url, path),
175 query,
176 )?)
177 }
178}
179
180impl HttpClient for Arc<HttpClientWithUrl> {
181 fn send(
182 &self,
183 req: Request<AsyncBody>,
184 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
185 self.client.send(req)
186 }
187
188 fn proxy(&self) -> Option<&Uri> {
189 self.client.proxy.as_ref()
190 }
191}
192
193impl HttpClient for HttpClientWithUrl {
194 fn send(
195 &self,
196 req: Request<AsyncBody>,
197 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
198 self.client.send(req)
199 }
200
201 fn proxy(&self) -> Option<&Uri> {
202 self.client.proxy.as_ref()
203 }
204}
205
206pub fn client(user_agent: Option<String>, proxy: Option<Uri>) -> Arc<dyn HttpClient> {
207 let mut builder = isahc::HttpClient::builder()
208 .connect_timeout(Duration::from_secs(5))
209 .low_speed_timeout(100, Duration::from_secs(5))
210 .proxy(proxy.clone());
211 if let Some(user_agent) = user_agent {
212 builder = builder.default_header("User-Agent", user_agent);
213 }
214
215 Arc::new(HttpClientWithProxy {
216 client: Arc::new(builder.build().unwrap()),
217 proxy,
218 })
219}
220
221fn read_proxy_from_env() -> Option<Uri> {
222 const ENV_VARS: &[&str] = &[
223 "ALL_PROXY",
224 "all_proxy",
225 "HTTPS_PROXY",
226 "https_proxy",
227 "HTTP_PROXY",
228 "http_proxy",
229 ];
230
231 for var in ENV_VARS {
232 if let Ok(env) = std::env::var(var) {
233 return env.parse::<Uri>().ok();
234 }
235 }
236
237 None
238}
239
240impl HttpClient for isahc::HttpClient {
241 fn send(
242 &self,
243 req: Request<AsyncBody>,
244 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
245 let client = self.clone();
246 Box::pin(async move { client.send_async(req).await })
247 }
248
249 fn proxy(&self) -> Option<&Uri> {
250 None
251 }
252}
253
254#[cfg(feature = "test-support")]
255type FakeHttpHandler = Box<
256 dyn Fn(Request<AsyncBody>) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>>
257 + Send
258 + Sync
259 + 'static,
260>;
261
262#[cfg(feature = "test-support")]
263pub struct FakeHttpClient {
264 handler: FakeHttpHandler,
265}
266
267#[cfg(feature = "test-support")]
268impl FakeHttpClient {
269 pub fn create<Fut, F>(handler: F) -> Arc<HttpClientWithUrl>
270 where
271 Fut: futures::Future<Output = Result<Response<AsyncBody>, Error>> + Send + 'static,
272 F: Fn(Request<AsyncBody>) -> Fut + Send + Sync + 'static,
273 {
274 Arc::new(HttpClientWithUrl {
275 base_url: Mutex::new("http://test.example".into()),
276 client: HttpClientWithProxy {
277 client: Arc::new(Self {
278 handler: Box::new(move |req| Box::pin(handler(req))),
279 }),
280 proxy: None,
281 },
282 })
283 }
284
285 pub fn with_404_response() -> Arc<HttpClientWithUrl> {
286 Self::create(|_| async move {
287 Ok(Response::builder()
288 .status(404)
289 .body(Default::default())
290 .unwrap())
291 })
292 }
293
294 pub fn with_200_response() -> Arc<HttpClientWithUrl> {
295 Self::create(|_| async move {
296 Ok(Response::builder()
297 .status(200)
298 .body(Default::default())
299 .unwrap())
300 })
301 }
302}
303
304#[cfg(feature = "test-support")]
305impl fmt::Debug for FakeHttpClient {
306 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
307 f.debug_struct("FakeHttpClient").finish()
308 }
309}
310
311#[cfg(feature = "test-support")]
312impl HttpClient for FakeHttpClient {
313 fn send(
314 &self,
315 req: Request<AsyncBody>,
316 ) -> BoxFuture<'static, Result<Response<AsyncBody>, Error>> {
317 let future = (self.handler)(req);
318 Box::pin(async move { future.await.map(Into::into) })
319 }
320
321 fn proxy(&self) -> Option<&Uri> {
322 None
323 }
324}