rpc: enforce the 128KB request limits on websockets too

rpc/http.go

@@ -27,16 +27,16 @@ import (
 	"mime"
 	"net"
 	"net/http"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/rs/cors"
-	"strings"
 )
 
 const (
-	contentType                 = "application/json"
-	maxHTTPRequestContentLength = 1024 * 128
+	contentType             = "application/json"
+	maxRequestContentLength = 1024 * 128
 )
 
 var nullAddr, _ = net.ResolveTCPAddr("tcp", "127.0.0.1:0")
@@ -182,8 +182,8 @@ func validateRequest(r *http.Request) (int, error) {
 	if r.Method == http.MethodPut || r.Method == http.MethodDelete {
 		return http.StatusMethodNotAllowed, errors.New("method not allowed")
 	}
-	if r.ContentLength > maxHTTPRequestContentLength {
-		err := fmt.Errorf("content length too large (%d>%d)", r.ContentLength, maxHTTPRequestContentLength)
+	if r.ContentLength > maxRequestContentLength {
+		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"))