Change CORS headers
Only add Allow-Origin to all requests and move the others to preflight OPTIONS request. If Origin is `file://` change it to the wildcard.
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parent
8367d1d715
commit
7b1da527a6
21
src/util.rs
21
src/util.rs
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@ -42,6 +42,13 @@ impl CORS {
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_ => "".to_string(),
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}
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}
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fn valid_url(url: String) -> String {
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match url.as_ref() {
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"file://" => "*".to_string(),
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_ => url,
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}
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}
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}
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impl Fairing for CORS {
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@ -56,21 +63,17 @@ impl Fairing for CORS {
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let req_headers = request.headers();
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// We need to explicitly get the Origin header for Access-Control-Allow-Origin
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let req_allow_origin = CORS::get_header(&req_headers, "Origin");
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let req_allow_origin = CORS::valid_url(CORS::get_header(&req_headers, "Origin"));
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let req_allow_headers = CORS::get_header(&req_headers, "Access-Control-Request-Headers");
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response.set_header(Header::new("Access-Control-Allow-Origin", req_allow_origin));
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let req_allow_method = CORS::get_header(&req_headers,"Access-Control-Request-Method");
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if request.method() == Method::Options {
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let req_allow_headers = CORS::get_header(&req_headers, "Access-Control-Request-Headers");
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let req_allow_method = CORS::get_header(&req_headers,"Access-Control-Request-Method");
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if request.method() == Method::Options || response.content_type() == Some(ContentType::JSON) {
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// Requests with credentials need explicit values since they do not allow wildcards.
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response.set_header(Header::new("Access-Control-Allow-Origin", req_allow_origin));
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response.set_header(Header::new("Access-Control-Allow-Methods", req_allow_method));
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response.set_header(Header::new("Access-Control-Allow-Headers", req_allow_headers));
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response.set_header(Header::new("Access-Control-Allow-Credentials", "true"));
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}
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if request.method() == Method::Options {
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response.set_status(Status::Ok);
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response.set_header(ContentType::Plain);
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response.set_sized_body(Cursor::new(""));
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