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service_test.go
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service_test.go
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/**
* @Time: 2020/9/30 14:05
* @Author: solacowa@gmail.com
* @File: service_test
* @Software: GoLand
*/
package captcha
import (
"context"
"github.com/dchest/captcha"
"github.com/go-kit/kit/endpoint"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/go-kit/kit/transport"
kithttp "github.com/go-kit/kit/transport/http"
"net/http"
"os"
)
func ExampleNew() {
var logger log.Logger
logger = log.NewLogfmtLogger(log.StdlibWriter{})
opts := []kithttp.ServerOption{
kithttp.ServerErrorHandler(transport.NewLogErrorHandler(level.Error(logger))),
kithttp.ServerBefore(kithttp.PopulateRequestContext),
kithttp.ServerBefore(func(ctx context.Context, request *http.Request) context.Context {
ctx = context.WithValue(ctx, "context-trace-key", "trace-id")
return ctx
}),
}
var ems []endpoint.Middleware
svc := New(captcha.NewMemoryStore(
captcha.CollectNum,
captcha.Expiration,
), "trace-id")
svc = NewLogging(logger, "trace-id")(svc)
var prefix = "/captcha/"
mux := http.NewServeMux()
mux.Handle(prefix, MakeHTTPHandler(svc, opts, ems, prefix, func(ctx context.Context, w http.ResponseWriter, response interface{}) (err error) {
return kithttp.EncodeJSONResponse(ctx, w, response)
}))
http.Handle("/", accessControl(mux, logger))
err := http.ListenAndServe(":8080", nil)
if err != nil {
os.Exit(1)
}
}
func accessControl(h http.Handler, logger log.Logger) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "OPTIONS" {
return
}
_ = level.Info(logger).Log("remote-addr", r.RemoteAddr, "uri", r.RequestURI, "method", r.Method, "length", r.ContentLength)
h.ServeHTTP(w, r)
})
}