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Merge pull request #1469 from jjlin/cors

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CORS fixes
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Daniel García 2021-03-15 16:57:00 +01:00 committed by GitHub
commit a71359f647
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1 changed files with 14 additions and 8 deletions
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22
src/util.rs
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@ -48,10 +48,16 @@ impl CORS {
}
}
fn valid_url(url: String) -> String {
match url.as_ref() {
"file://" => "*".to_string(),
_ => url,
// Check a request's `Origin` header against the list of allowed origins.
// If a match exists, return it. Otherwise, return None.
fn get_allowed_origin(headers: &HeaderMap) -> Option<String> {
let origin = CORS::get_header(headers, "Origin");
let domain_origin = CONFIG.domain_origin();
let safari_extension_origin = "file://";
if origin == domain_origin || origin == safari_extension_origin {
Some(origin)
} else {
None
}
}
}
@ -67,11 +73,11 @@ impl Fairing for CORS {
fn on_response(&self, request: &Request, response: &mut Response) {
let req_headers = request.headers();
// We need to explicitly get the Origin header for Access-Control-Allow-Origin
let req_allow_origin = CORS::valid_url(CORS::get_header(req_headers, "Origin"));
response.set_header(Header::new("Access-Control-Allow-Origin", req_allow_origin));
if let Some(origin) = CORS::get_allowed_origin(req_headers) {
response.set_header(Header::new("Access-Control-Allow-Origin", origin));
}
// Preflight request
if request.method() == Method::Options {
let req_allow_headers = CORS::get_header(req_headers, "Access-Control-Request-Headers");
let req_allow_method = CORS::get_header(req_headers, "Access-Control-Request-Method");