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// Copyright (c) 2014-2019 Ludovic Fauvet
// Licensed under the MIT license
package cli
import (
"context"
"fmt"
"os"
"strconv"
"github.com/etix/mirrorbits/core"
"github.com/etix/mirrorbits/rpc"
"github.com/golang/protobuf/ptypes/empty"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (c *cli) GetRPC() rpc.CLIClient {
c.Lock()
defer c.Unlock()
if c.rpcconn == nil {
conn, err := grpc.Dial(core.RPCHost+":"+strconv.FormatUint(uint64(core.RPCPort), 10),
grpc.WithInsecure(),
grpc.WithBlock(),
grpc.FailOnNonTempDialError(true),
grpc.WithPerRPCCredentials(c.creds))
if err != nil {
fmt.Fprintf(os.Stderr, "rpc: %s\n", err)
os.Exit(1)
}
c.rpcconn = conn
client := rpc.NewCLIClient(c.rpcconn)
_, err = client.Ping(context.Background(), &empty.Empty{})
s := status.Convert(err)
if s.Code() == codes.Unauthenticated {
if len(c.creds.Password) == 0 {
fmt.Fprintf(os.Stderr, "Please set the server password with the -P option.\n")
} else {
fmt.Fprintf(os.Stderr, "Password refused\n")
}
os.Exit(1)
}
}
return rpc.NewCLIClient(c.rpcconn)
}
type loginCreds struct {
Password string
}
func (c *loginCreds) GetRequestMetadata(context.Context, ...string) (map[string]string, error) {
return map[string]string{
"password": c.Password,
}, nil
}
func (c *loginCreds) RequireTransportSecurity() bool {
return false
}
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