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Add settable domain to CORS handler #331

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This commit is contained in:
Taylor Gerring 2015-03-29 21:56:04 +02:00
parent 04a7c4ae1e
commit b6fde73ef1
1 changed files with 17 additions and 3 deletions
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20
rpc/http.go
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@ -10,6 +10,7 @@ import (
"github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/xeth" "github.com/ethereum/go-ethereum/xeth"
"github.com/rs/cors"
) )
var rpclogger = logger.NewLogger("RPC") var rpclogger = logger.NewLogger("RPC")
@ -25,7 +26,21 @@ func Start(pipe *xeth.XEth, config RpcConfig) error {
rpclogger.Errorf("Can't listen on %s:%d: %v", config.ListenAddress, config.ListenPort, err) rpclogger.Errorf("Can't listen on %s:%d: %v", config.ListenAddress, config.ListenPort, err)
return err return err
} }
go http.Serve(l, JSONRPC(pipe))
var handler http.Handler
if len(config.CorsDomain) > 0 {
var opts cors.Options
opts.AllowedMethods = []string{"POST"}
opts.AllowedOrigins = []string{config.CorsDomain}
c := cors.New(opts)
handler = c.Handler(JSONRPC(pipe))
} else {
handler = JSONRPC(pipe)
}
go http.Serve(l, handler)
return nil return nil
} }
@ -34,8 +49,7 @@ func JSONRPC(pipe *xeth.XEth) http.Handler {
api := NewEthereumApi(pipe) api := NewEthereumApi(pipe)
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
// TODO this needs to be configurable w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*")
// Limit request size to resist DoS // Limit request size to resist DoS
if req.ContentLength > maxSizeReqLength { if req.ContentLength > maxSizeReqLength {