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add cors code #9

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9 changes: 9 additions & 0 deletions .idea/jsonrpc.iml
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8 changes: 8 additions & 0 deletions .idea/modules.xml
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6 changes: 6 additions & 0 deletions .idea/vcs.xml
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63 changes: 63 additions & 0 deletions .idea/workspace.xml
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17 changes: 17 additions & 0 deletions client_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,23 @@ func BenchmarkClientSync(b *testing.B) {

func startServer(t *testing.T, counter *state) {
s := NewServer()

s.HandleFunc("sum", sum)
s.HandleFunc("random", random)
s.HandleFunc("counter", counter.increaseCounter)

if err := http.ListenAndServe(port, s); err != nil {
t.Errorf("starting server: %v", err)
}
}

func startServerAddCORS(t *testing.T, counter *state) {
s := NewServer()
s.Cors = map[string]string{
"Access-Control-Allow-Origin":"*",
"Access-Control-Allow-Methods":"POST,GET,OPTIONS",
"Access-Control-Allow-Headers":"Content-Type",
}
s.HandleFunc("sum", sum)
s.HandleFunc("random", random)
s.HandleFunc("counter", counter.increaseCounter)
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7 changes: 7 additions & 0 deletions server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ var (
// Server represents a JSON-RPC server.
type Server struct {
handler sync.Map
// cors map
Cors map[string]string
}

type handlerType struct {
Expand Down Expand Up @@ -95,6 +97,11 @@ func inspectHandler(h reflect.Value) (numArgs int, ptype, rtype reflect.Type, er

// ServeHTTP responds to an JSON-RPC request and executes the requested method.
func (s *Server) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
if len(s.Cors) >0{
for k1, v1 := range s.Cors {
rw.Header().Add(k1,v1)
}
}
// Only POST methods are jsonrpc valid calls
if r.Method != "POST" {
rw.WriteHeader(http.StatusNotFound)
Expand Down