114 lines
2.6 KiB
Go

package main
import (
"encoding/json"
"flag"
"net/http"
pb "git.esin.io/lab/weixin/protobuf/clientapi/mp/auth"
"google.golang.org/grpc"
)
var (
lisPort string
authServerEndpoint string
)
func init() {
flag.StringVar(&lisPort, "port", "3000", "server listen port")
flag.StringVar(&authServerEndpoint, "auth.server", "localhost:13721", "auth grpc server endpoint")
}
func main() {
flag.Parse()
if err := run(); err != nil {
panic(err)
}
}
func run() error {
grpcDialOpts := []grpc.DialOption{
grpc.WithInsecure(),
grpc.WithBlock(),
}
grpcConn, err := grpc.Dial(authServerEndpoint, grpcDialOpts...)
if err != nil {
return err
}
h := NewHandler(pb.NewAuthServiceClient(grpcConn))
http.HandleFunc("/url", h.getCodeURL)
http.HandleFunc("/token", h.exchangeToken)
http.HandleFunc("/userinfo", h.getUserinfo)
http.HandleFunc("/userinfo/sync", h.syncUserinfo)
return http.ListenAndServe(":"+lisPort, nil)
}
type restHandler struct {
client pb.AuthServiceClient
}
func NewHandler(client pb.AuthServiceClient) *restHandler {
return &restHandler{
client: client,
}
}
func (h restHandler) getCodeURL(w http.ResponseWriter, r *http.Request) {
resp, err := h.client.GetCodeURL(r.Context(), &pb.GetCodeURLRequest{
RedirectUrl: r.FormValue("redirect_url"),
State: r.FormValue("state"),
Scope: pb.GetCodeURLRequest_snsapi_base,
})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
encoder := json.NewEncoder(w)
encoder.SetEscapeHTML(false)
encoder.Encode(resp)
}
func (h restHandler) exchangeToken(w http.ResponseWriter, r *http.Request) {
code := r.FormValue("code")
resp, err := h.client.ExchangeToken(r.Context(), &pb.ExchangeTokenRequest{
Code: code,
})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
json.NewEncoder(w).Encode(resp)
}
func (h restHandler) getUserinfo(w http.ResponseWriter, r *http.Request) {
openid := r.FormValue("openid")
resp, err := h.client.GetUserinfo(r.Context(), &pb.GetUserinfoRequest{
OpenId: openid,
Lang: pb.GetUserinfoRequest_zh_CN,
})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
json.NewEncoder(w).Encode(resp)
}
func (h restHandler) syncUserinfo(w http.ResponseWriter, r *http.Request) {
openid := r.FormValue("openid")
resp, err := h.client.SyncUserinfo(r.Context(), &pb.SyncUserinfoRequest{
OpenId: openid,
Lang: pb.SyncUserinfoRequest_zh_CN,
})
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
json.NewEncoder(w).Encode(resp)
}