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-rw-r--r--rpc/http.go27
1 files changed, 20 insertions, 7 deletions
diff --git a/rpc/http.go b/rpc/http.go
index af79858e2..674166fb3 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -36,11 +36,15 @@ import (
)
const (
- contentType = "application/json"
maxRequestContentLength = 1024 * 512
)
-var nullAddr, _ = net.ResolveTCPAddr("tcp", "127.0.0.1:0")
+var (
+ // https://www.jsonrpc.org/historical/json-rpc-over-http.html#id13
+ acceptedContentTypes = []string{"application/json", "application/json-rpc", "application/jsonrequest"}
+ contentType = acceptedContentTypes[0]
+ nullAddr, _ = net.ResolveTCPAddr("tcp", "127.0.0.1:0")
+)
type httpConn struct {
client *http.Client
@@ -263,12 +267,21 @@ func validateRequest(r *http.Request) (int, error) {
err := fmt.Errorf("content length too large (%d>%d)", r.ContentLength, maxRequestContentLength)
return http.StatusRequestEntityTooLarge, err
}
- mt, _, err := mime.ParseMediaType(r.Header.Get("content-type"))
- if r.Method != http.MethodOptions && (err != nil || mt != contentType) {
- err := fmt.Errorf("invalid content type, only %s is supported", contentType)
- return http.StatusUnsupportedMediaType, err
+ // Allow OPTIONS (regardless of content-type)
+ if r.Method == http.MethodOptions {
+ return 0, nil
+ }
+ // Check content-type
+ if mt, _, err := mime.ParseMediaType(r.Header.Get("content-type")); err == nil {
+ for _, accepted := range acceptedContentTypes {
+ if accepted == mt {
+ return 0, nil
+ }
+ }
}
- return 0, nil
+ // Invalid content-type
+ err := fmt.Errorf("invalid content type, only %s is supported", contentType)
+ return http.StatusUnsupportedMediaType, err
}
func newCorsHandler(srv *Server, allowedOrigins []string) http.Handler {