demo3

2023-05-04 14:21:14 +08:00 · 2023-05-04 14:21:14 +08:00 · 8b3418086f
parent d284e6e824
commit 8b3418086f
13 changed files with 898 additions and 0 deletions
--- a/4
+++ b/4
@ -0,0 +1,4 @@
+release1:
+	go mod tidy
+	GOOS=linux go build -o demo3 .
+	scp demo3 ubuntu@192.168.0.214:~/
--- a/consul/consul.go
+++ b/consul/consul.go
@ -0,0 +1,167 @@
+package consul
+
+import (
+	"errors"
+	"fmt"
+	"math/rand"
+	"time"
+
+	consulapi "github.com/hashicorp/consul/api"
+)
+
+var (
+	_client *consulapi.Client
+	conf    *Config
+)
+
+type Config struct {
+	Address string
+}
+
+// Init 初始化consul连接
+func Init(config *Config) error {
+	if config == nil {
+		config = &Config{
+			Address: "127.0.0.1:8500",
+		}
+	}
+	conf = config
+	if conf.Address == "" {
+		conf.Address = "127.0.0.1:8500"
+	}
+	return nil
+}
+
+func New() (*consulapi.Client, error) {
+	if _client != nil {
+		return _client, nil
+	}
+
+	// 创建连接consul服务配置
+	config := consulapi.DefaultConfig()
+	config.Address = conf.Address
+	client, err := consulapi.NewClient(config)
+	if err != nil {
+		return nil, err
+	}
+	_client = client
+	return client, nil
+}
+
+// RegisterAPI 注册api服务到consul
+func RegisterAPI(name string, addr string, port int, tags ...string) error {
+	client, err := New()
+	if err != nil {
+		return err
+	}
+	if client == nil {
+		return errors.New("consul 实例空")
+	}
+
+	// 创建注册到consul的服务到
+	registration := new(consulapi.AgentServiceRegistration)
+	registration.ID = fmt.Sprintf("%s-%s:%d", name, addr, port)
+	registration.Name = name
+	registration.Port = port
+	registration.Tags = tags
+	registration.Address = addr
+
+	// 增加consul健康检查回调函数
+	check := new(consulapi.AgentServiceCheck)
+	check.HTTP = fmt.Sprintf("http://%s:%d/health/check", registration.Address, registration.Port)
+	check.Timeout = "5s"
+	check.Interval = "5s"
+	check.DeregisterCriticalServiceAfter = "30s" // 故障检查失败30s后 consul自动将注册服务删除
+	registration.Check = check
+
+	// 注册服务到consul
+	if err := client.Agent().ServiceRegister(registration); err != nil {
+		return err
+	}
+	return nil
+}
+
+// DeRegister 取消consul注册的服务
+func DeRegister(name string, addr string, port int) error {
+	client, err := New()
+	if err != nil {
+		return err
+	}
+	if client == nil {
+		return errors.New("consul 实例空")
+	}
+	client.Agent().ServiceDeregister(fmt.Sprintf("%s-%s:%d", name, addr, port))
+	return nil
+}
+
+// FindNode 查找节点
+func FindNode(servicename, tag string) (*consulapi.AgentService, error) {
+	client, err := New()
+	if err != nil {
+		return nil, err
+	}
+
+	if client == nil {
+		return nil, errors.New("consul 实例空")
+	}
+	services, _, err := client.Health().Service(servicename, tag, true, nil)
+	if err != nil {
+		return nil, err
+	}
+	l := len(services)
+	if l == 0 {
+		return nil, nil
+	}
+	if l == 1 {
+		return services[0].Service, nil
+	}
+
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	return services[r.Intn(l)%l].Service, nil
+}
+
+// CheckHeath 健康检查
+func CheckHeath(serviceid string) error {
+	client, err := New()
+	if err != nil {
+		return err
+	}
+	if client == nil {
+		return errors.New("consul 实例空")
+	}
+	// 健康检查
+	//	a, b, _ := client.Agent().AgentHealthServiceByID(serviceid)
+	return nil
+}
+
+// KVPut test
+func KVPut(key string, values *[]byte, flags uint64) (*consulapi.WriteMeta, error) {
+	client, err := New()
+	if err != nil {
+		return nil, err
+	}
+	if client == nil {
+		return nil, errors.New("consul 实例空")
+	}
+
+	return client.KV().Put(&consulapi.KVPair{Key: key, Flags: flags, Value: *values}, nil)
+}
+
+// KVGet 获取值
+func KVGet(key string, flags uint64) (*[]byte, error) {
+	client, err := New()
+	if err != nil {
+		return nil, err
+	}
+	if client == nil {
+		return nil, errors.New("consul 实例空")
+	}
+
+	// KV get值
+	data, _, _ := client.KV().Get(key, nil)
+	if data != nil {
+		return &data.Value, nil
+	}
+
+	return nil, nil
+}
--- a/BIN
+++ b/BIN
--- a/BIN
+++ b/BIN
--- a/gin/auth-filter.go
+++ b/gin/auth-filter.go
@ -0,0 +1,147 @@
+package gin
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"myschools.me/campus/campus-core/campus"
+	"myschools.me/campus/demo-3/consul"
+	"myschools.me/campus/demo-3/tools"
+	"myschools.me/suguo/snippet/redis"
+)
+
+// 从redis中认证用户
+func AuthUser() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		token := c.GetHeader("Authorization")
+		claims := cacheGet(&token)
+		if claims == nil {
+			c.Abort()
+			return
+		}
+		c.Set("user", claims)
+		c.Next()
+	}
+}
+
+// 从redis中获取用户信息，最佳实践经验建议把此代码放service层
+func cacheGet(token *string) interface{} {
+	var user interface{}
+	b, err := redis.GetBytes(token)
+	if err != nil {
+		return nil
+	}
+	if err := json.Unmarshal(*b, &user); err != nil {
+		return nil
+	}
+	return &user
+}
+
+// gin拦截，基于微服务的拦截
+// func AuthUserBS() gin.HandlerFunc {
+// 	return func(c *gin.Context) {
+// 		token := c.GetHeader("Authorization")
+// 		claims := userAuthWithGrpc(&token)
+// 		if claims == nil {
+// 			yy.RespUnauth(c, "token无效或过期，请重新登录", nil, nil)
+// 			c.Abort()
+// 		}
+// 		c.Set("user", claims)
+// 		c.Next()
+// 	}
+// }
+
+// func userAuthWithGrpc(token *string) *yy.UserClaims {
+// 	srv, err := consul.FindService("oauth", "v1")
+// 	if err != nil {
+// 		logrus.WithFields(logrus.Fields{
+// 			"func": "userAuthWithGrpc",
+// 		}).Errorf("consul.FindServer: %s", err.Error())
+// 		return nil
+// 	}
+// 	defer srv.Close()
+// 	client := pb.NewCertificationClient(srv)
+// 	resp, err := client.Auth(context.Background(), &pb.CertificationAuthRequest{
+// 		Token: *token,
+// 	})
+// 	if err != nil {
+// 		logrus.WithFields(logrus.Fields{
+// 			"func": "userAuthWithGrpc",
+// 		}).Errorf("client.Auth: %s", err.Error())
+// 		return nil
+// 	}
+// 	if resp.Result == "ok" {
+// 		r := &yy.UserClaims{}
+// 		if err := json.Unmarshal(resp.Data.Value, r); err != nil {
+// 			logrus.WithFields(logrus.Fields{
+// 				"func": "userAuthWithGrpc",
+// 			}).Errorf("json.Unmarshal: %s", err.Error())
+// 			return nil
+// 		}
+// 		return r
+// 	}
+// 	logrus.WithFields(logrus.Fields{
+// 		"func": "userAuthWithGrpc",
+// 	}).Warnln("nil")
+// 	return nil
+// }
+
+func getPort(key string) (string, error) {
+	client, err := consul.New()
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+	service, _, err := client.Health().Service(key, "", true, nil)
+	if err != nil {
+		return "", err
+	}
+	fmt.Println("Service", service[0].Service.Address, "port", service[0].Service.Port)
+	if len(service) > 0 {
+		return service[0].Service.Address + ":" + fmt.Sprintf("%v", service[0].Service.Port), nil
+	} else {
+		return "", nil
+	}
+
+}
+
+func AuthUserByDemo1() gin.HandlerFunc {
+	return func(c *gin.Context) {
+
+		reqid := campus.NewRequestID(nil)
+
+		token := c.GetHeader("Authorization")
+		url, err := getPort("demo1")
+		url = "http://" + url + "/token/verify"
+		fmt.Println("URL:", url)
+		if err != nil {
+			panic(err)
+		}
+		headerMap := make(map[string]string, 0)
+		headerMap["Authorization"] = token
+		headerMap["Content-Type"] = "application/json"
+		fmt.Println("Authorization:" + token)
+		err2, bytes := tools.GetPost(url, "get", headerMap, nil)
+		if err2 != nil {
+			panic(err2)
+		}
+
+		base := struct {
+			Code      int    `json:"code"`
+			Msg       string `json:"msg"`
+			Requestid string `json:"requestid"`
+			Data      struct{}
+		}{}
+
+		_ = json.Unmarshal(bytes, &base)
+		if base.Code != 0 {
+			campus.RespBadRequest(c, "请求头错误", errors.New("请求头错误"), &reqid)
+
+			return
+		} else {
+			c.Next()
+		}
+
+	}
+}
--- a/gin/config.go
+++ b/gin/config.go
@ -0,0 +1,11 @@
+package gin
+
+// GIN 配置
+type Config struct {
+	RootPath string
+	Addr     string
+	Port     int
+	Ssl      bool
+	SslPem   string
+	SslKey   string
+}
--- a/gin/gin.go
+++ b/gin/gin.go
@ -0,0 +1,67 @@
+package gin
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/unrolled/secure"
+)
+
+func Service(conf *Config) *Config {
+	if conf == nil {
+		conf = &Config{
+			RootPath: "/",
+			Addr:     "0.0.0.0",
+			Port:     8080,
+			Ssl:      false,
+			SslPem:   "server.pem",
+			SslKey:   "server.key",
+		}
+	}
+	go func() {
+		router := gin.New()
+		router.Use(gin.Logger(), gin.Recovery())
+		routerSetup(router, &conf.RootPath)
+
+		if conf.Ssl {
+			router.Use(tlsHandler(conf))
+		}
+
+		s := &http.Server{
+			Addr:           fmt.Sprintf("%s:%d", conf.Addr, conf.Port),
+			Handler:        router,
+			ReadTimeout:    10 * time.Second,
+			WriteTimeout:   10 * time.Second,
+			MaxHeaderBytes: 1 << 20,
+		}
+		log.Printf("start service on %s", fmt.Sprintf("%s:%d", conf.Addr, conf.Port))
+
+		if conf.Ssl {
+			log.Fatal(s.ListenAndServeTLS(conf.SslPem, conf.SslKey))
+		} else {
+			log.Fatal(s.ListenAndServe())
+		}
+	}()
+	return conf
+}
+
+func tlsHandler(conf *Config) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		secureMiddleware := secure.New(secure.Options{
+			SSLRedirect: true,
+			SSLHost:     ":" + strconv.Itoa(conf.Port),
+		})
+		err := secureMiddleware.Process(c.Writer, c.Request)
+
+		// If there was an error, do not continue.
+		if err != nil {
+			return
+		}
+
+		c.Next()
+	}
+}
--- a/gin/router.go
+++ b/gin/router.go
@ -0,0 +1,36 @@
+package gin
+
+import (
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"myschools.me/campus/demo-3/handler"
+)
+
+// 路由配置
+func routerSetup(router *gin.Engine, rootpath *string) {
+	router.Use(gin.Recovery())
+	router.GET(`/health/check`, handler.HealthCheck)
+
+	r := router.Group(fmt.Sprintf("/%s", *rootpath))
+	{
+		r.POST(`/register`)
+		r.GET(`/accountcheck/:accname`)
+		r.POST(`/login`)
+		r.POST(`/forgot`)
+	}
+
+	ug := r.Group(`/user`)
+	{
+		ug.GET(`/choose/:orgid`)
+		ug.GET(`/detail`)
+		ug.POST(`/update`)
+	}
+
+	order := r.Group("order", AuthUserByDemo1())
+	{
+		order.POST("create", handler.CreateOrder)
+
+	}
+
+}
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,59 @@
+module myschools.me/campus/demo-3
+
+go 1.19
+
+require (
+	github.com/gin-gonic/gin v1.9.0
+	github.com/hashicorp/consul/api v1.20.0
+	github.com/shopspring/decimal v1.3.1
+	github.com/unrolled/secure v1.13.0
+	myschools.me/campus/campus-core v0.1.68
+	myschools.me/suguo/snippet v1.0.4
+)
+
+require (
+	github.com/google/btree v1.0.0 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+)
+
+require (
+	github.com/armon/go-metrics v0.4.0 // indirect
+	github.com/bytedance/sonic v1.8.0 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.11.2 // indirect
+	github.com/goccy/go-json v0.10.0 // indirect
+	github.com/gomodule/redigo v1.8.9 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-hclog v1.2.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/hashicorp/serf v0.10.1 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.9 // indirect
+	golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect
+	golang.org/x/crypto v0.5.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	gorm.io/gorm v1.24.3 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,284 @@
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+github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
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+github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
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--- a/handler/order-handler.go
+++ b/handler/order-handler.go
@ -0,0 +1,33 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/shopspring/decimal"
+	"myschools.me/campus/campus-core/campus"
+)
+
+func HealthCheck(c *gin.Context) {
+	c.JSON(http.StatusOK, nil)
+}
+
+type createOrderReq struct {
+	Title  string          `json:"title,omitempty"`
+	Price  decimal.Decimal `json:"price,omitempty"`
+	Number int             `json:"number,omitempty"`
+}
+
+func CreateOrder(c *gin.Context) {
+	reqid := campus.NewRequestID(nil)
+	var args createOrderReq
+	if err := c.ShouldBindJSON(&args); err != nil {
+		campus.RespBadRequest(c, "参数异常", err, &reqid)
+		return
+	}
+	totalPrice := args.Price.Mul(decimal.NewFromInt(int64(args.Number))).Truncate(2)
+	str := fmt.Sprintf("欢迎购买%s,买了%d件,累计花费%v元", args.Title, args.Number, totalPrice)
+	campus.RespSuccess(c, "下单成功", str, &reqid)
+
+}
--- a/main.go
+++ b/main.go
@ -0,0 +1,47 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"time"
+
+	"myschools.me/campus/demo-3/consul"
+	"myschools.me/campus/demo-3/gin"
+)
+
+func main() {
+
+	appname := flag.String("appname", "demo3", "app name for current")
+	port := flag.Int("port", 8080, "port for gin")
+	addr := flag.String("addr", "localhost", "ip address for gin")
+	flag.Parse()
+
+	consul.Init(nil)
+
+	gin.Service(&gin.Config{
+		RootPath: `/demo3`,
+		Addr:     *addr,
+		Port:     *port,
+	})
+
+	traefikTag := fmt.Sprintf("traefik.http.routers.%s.rule=PathPrefix(`/demo3`)", *appname)
+	if err := consul.RegisterAPI(*appname, *addr, *port, traefikTag); err != nil {
+		fmt.Println("注册失败", err.Error())
+	}
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	<-c
+	_, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	//取消注册
+	err := consul.DeRegister(*appname, *addr, *port)
+	if err != nil {
+		fmt.Println("Error: ", err)
+	}
+
+	os.Exit(0)
+
+}
--- a/tools/http-client.go
+++ b/tools/http-client.go
@ -0,0 +1,43 @@
+package tools
+
+import (
+	"io/ioutil"
+	"net/http"
+	"strings"
+)
+
+/*
+请求示例：
+url := "https://blog.csdn.net/weixin_60232039/article/details/128861515"
+headers := make(map[string]string)
+headers["Content-Type"] = "application/json"
+meth := "get"
+err, bytes := GetPost(url, meth, headers, nil)
+
+	if err != nil {
+		panic(err)
+	}
+
+// fmt.Println(string(bytes))
+*/
+
+func GetPost(url string, meth string, header map[string]string, data []byte) (error, []byte) {
+
+	client := &http.Client{}
+	newMeth := strings.ToUpper(meth)
+	req, err := http.NewRequest(newMeth, url, strings.NewReader(string(data)))
+	if err != nil {
+		return err, nil
+	}
+
+	if len(header) > 0 {
+		for k, v := range header {
+			req.Header.Add(k, v)
+		}
+	}
+
+	resp, _ := client.Do(req)
+	defer resp.Body.Close()
+	body, _ := ioutil.ReadAll(resp.Body)
+	return nil, body
+}