Session 5 (#16)

* introduction to echo

* intro to echo

Co-authored-by: Ibrahim Nurandita Isbandiputra <ibrahim.nurandita@wartek.belajar.id>

Author: ibrahimker

go.mod

@@ -21,6 +21,8 @@ require (
 	github.com/go-openapi/jsonreference v0.20.0 // indirect
 	github.com/go-openapi/spec v0.20.7 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/gorilla/securecookie v1.1.1 // indirect
+	github.com/gorilla/sessions v1.2.1 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/labstack/echo v3.3.10+incompatible // indirect
 	github.com/labstack/gommon v0.4.0 // indirect

go.sum

@@ -25,6 +25,10 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=
+github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
+github.com/gorilla/sessions v1.2.1 h1:DHd3rPN5lE3Ts3D8rKkQ8x/0kqfeNmBAaiSi+o7FsgI=
+github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.13.0 h1:fi9bGIUJOGzzrHBbP8NWbTfNC5fKO6X7kFw40TOqGB8=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.13.0/go.mod h1:uY3Aurq+SxwQCpdX91xZ9CgxIMT1EsYtcidljXufYIY=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=

session-4/ldap/ldap.go

@@ -10,11 +10,16 @@ import (
 )
 
 const (
-	ldapServer   = "ldap.forumsys.com"
+	//ldapServer   = "ldap.forumsys.com"
+	//ldapPort     = 389
+	//ldapBindDN   = "cn=read-only-admin,dc=example,dc=com"
+	//ldapPassword = "password"
+	//ldapSearchDN = "dc=example,dc=com"
+	ldapServer   = "localhost"
 	ldapPort     = 389
-	ldapBindDN   = "cn=read-only-admin,dc=example,dc=com"
+	ldapBindDN   = "cn=admin,dc=ibrahimker,dc=id"
 	ldapPassword = "password"
-	ldapSearchDN = "dc=example,dc=com"
+	ldapSearchDN = "dc=ibrahimker,dc=id"
 )
 
 type UserLDAPData struct {

session-5/main.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"fmt"
 	"net/http"
+	"strings"
 
 	"github.com/labstack/echo"
 )
@@ -35,5 +37,41 @@ func main() {
 		return ctx.JSON(http.StatusOK, data)
 	})
 
+	r.GET("/page1", func(ctx echo.Context) error {
+		name := ctx.QueryParam("name")
+		data := fmt.Sprintf("Hello %s", name)
+
+		return ctx.String(http.StatusOK, data)
+	})
+
+	r.GET("/page2/:name", func(ctx echo.Context) error {
+		name := ctx.Param("name")
+		data := fmt.Sprintf("Hello %s", name)
+
+		return ctx.String(http.StatusOK, data)
+	})
+
+	r.GET("/page3/:name/*", func(ctx echo.Context) error {
+		name := ctx.Param("name")
+		message := ctx.Param("*")
+
+		data := fmt.Sprintf("Hello %s, I have message for you: %s", name, message)
+
+		return ctx.String(http.StatusOK, data)
+	})
+
+	r.POST("/page4", func(ctx echo.Context) error {
+		name := ctx.FormValue("name")
+		message := ctx.FormValue("message")
+
+		data := fmt.Sprintf(
+			"Hello %s, I have message for you: %s",
+			name,
+			strings.Replace(message, "/", "", 1),
+		)
+
+		return ctx.String(http.StatusOK, data)
+	})
+
 	r.Start(":9000")
 }

session-6/main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gorilla/sessions"
+	"github.com/labstack/echo"
+)
+
+const SESSION_ID = "test-session-id"
+
+func main() {
+	e := echo.New()
+	store := sessions.NewCookieStore([]byte("test-session-key"))
+
+	e.GET("/", func(ctx echo.Context) error {
+		data := "Hello from /index"
+		return ctx.String(http.StatusOK, data)
+	})
+
+	e.GET("/set", func(c echo.Context) error {
+		session, err := store.Get(c.Request(), SESSION_ID)
+		if err != nil {
+			return c.String(http.StatusInternalServerError, err.Error())
+		}
+		session.Values["message1"] = "hello"
+		session.Values["message2"] = "world"
+		if err := session.Save(c.Request(), c.Response()); err != nil {
+			return c.String(http.StatusInternalServerError, err.Error())
+		}
+
+		return c.Redirect(http.StatusTemporaryRedirect, "/get")
+	})
+
+	e.GET("/get", func(c echo.Context) error {
+		session, _ := store.Get(c.Request(), SESSION_ID)
+
+		if len(session.Values) == 0 {
+			return c.String(http.StatusOK, "empty result")
+		}
+
+		return c.String(http.StatusOK, fmt.Sprintf(
+			"%s %s",
+			session.Values["message1"],
+			session.Values["message2"],
+		))
+	})
+
+	e.GET("/delete", func(c echo.Context) error {
+		session, _ := store.Get(c.Request(), SESSION_ID)
+		session.Options.MaxAge = -1
+		session.Save(c.Request(), c.Response())
+
+		return c.Redirect(http.StatusTemporaryRedirect, "/get")
+	})
+
+	e.Start(":9000")
+}