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rpc: add application/json-rpc as accepted content type, fixes #18293 (#18310)

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Martin Holst Swende 2018-12-14 11:08:11 +01:00 committed by GitHub
parent e79821cabe
commit 3796751efc
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1 changed files with 20 additions and 7 deletions
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27
rpc/http.go
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@ -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
}
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
}
}
}
// 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 {