feat(auth): implement account command

cmd/account.go

@@ -1,15 +1,37 @@
 package cmd
 
 import (
+	"fmt"
+	"time"
+
+	"github.com/paastech-cloud/cli/internal/config"
 	"github.com/spf13/cobra"
 )
 
 var accountCmd = &cobra.Command{
 	GroupID: "account",
 	Use:     "account",
 	Short:   "Get infos about user account",
-	Long:    "Get infos about user account",
 	RunE: func(cmd *cobra.Command, args []string) error {
+		jwt, err := config.ExtractJWTInfos()
+		if err != nil {
+			return err
+		}
+
+		fmt.Println("👤 You are logged in as: " + jwt.Username)
+		timeDiff := jwt.ExpirationTime.Sub(time.Now())
+		if timeDiff > 0 {
+			fmt.Println(
+				"⌛ Current session expires in: " + fmt.Sprintf(
+					"%02dh%02dm%02ds",
+					int(timeDiff.Hours()),
+					int(timeDiff.Minutes())%60,
+					int(timeDiff.Seconds())%60,
+				),
+			)
+		} else {
+			fmt.Println("❌ Current session is expired. Please log back in.")
+		}
 		return nil
 	},
 }

cmd/login.go

@@ -18,8 +18,7 @@ var (
 var loginCmd = &cobra.Command{
 	GroupID: "account",
 	Use:     "login",
-	Short:   "Log in to PaaSTech.cloud",
-	Long:    "Log in to PaaSTech.cloud",
+	Short:   "Log in to PaaSTech",
 	RunE: func(cmd *cobra.Command, args []string) error {
 		email, _ := cmd.Flags().GetString("email")
 		password, _ := cmd.Flags().GetString("password")

go.mod

@@ -3,7 +3,7 @@ module github.com/paastech-cloud/cli
 go 1.20
 
 require (
-	github.com/mitchellh/go-homedir v1.1.0
+	github.com/golang-jwt/jwt/v5 v5.0.0
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.16.0
 	golang.org/x/crypto v0.10.0

go.sum

@@ -86,6 +86,8 @@ github.com/go-git/go-git/v5 v5.7.0/go.mod h1:coJHKEOk5kUClpsNlXrUvPrDxY3w3gjHvhc
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/golang-jwt/jwt/v5 v5.0.0 h1:1n1XNM9hk7O9mnQoNBGolZvzebBQ7p93ULHRc28XJUE=
+github.com/golang-jwt/jwt/v5 v5.0.0/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -172,8 +174,6 @@ github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0V
 github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
 github.com/matryer/is v1.2.0 h1:92UTHpy8CDwaJ08GqLDzhhuixiBUUD1p3AU6PHddz4A=
 github.com/matryer/is v1.2.0/go.mod h1:2fLPjFQM9rhQ15aVEtbuwhJinnOqrmgXPNdZsdwlWXA=
-github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
-github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=

internal/config/config.go

@@ -2,17 +2,33 @@ package config
 
 import (
 	"errors"
+	"fmt"
 	"os"
 	"path/filepath"
+	"time"
 
+	"github.com/golang-jwt/jwt/v5"
 	"github.com/spf13/viper"
 )
 
-// Load the auth config (jwt) from $HOME/.config/paastech/auth.yaml
-func LoadAuthConfig() error {
+type JWTInfos struct {
+	Username       string
+	ExpirationTime time.Time
+}
+
+// Set and return auth config as config file
+func authConfigFile() string {
 	// Define config path
 	authConfigFile := filepath.Join(os.Getenv("HOME"), ".config", "paastech", "auth.yaml")
 	viper.SetConfigFile(authConfigFile)
+	viper.ReadInConfig()
+	return authConfigFile
+}
+
+// Load the auth config (jwt) from $HOME/.config/paastech/auth.yaml
+func LoadAuthConfig() error {
+	// Set auth config file as config
+	authConfigFile := authConfigFile()
 
 	// Check if the auth.yaml file exists, if not, create it
 	if _, err := os.Stat(authConfigFile); os.IsNotExist(err) {
@@ -33,15 +49,39 @@ func LoadAuthConfig() error {
 
 // Set the jwt in config file
 func SetJWT(jwt string) {
-	// Define config path
-	authConfigFile := filepath.Join(os.Getenv("HOME"), ".config", "paastech", "auth.yaml")
-	viper.SetConfigFile(authConfigFile)
+	// Set auth config file as config
+	authConfigFile()
 
 	// Change jwt value in config file
 	viper.Set("jwt", jwt)
 	viper.WriteConfig()
 }
 
+// Extract payload from jwt and return it as UserInfos struct
+func ExtractJWTInfos() (JWTInfos, error) {
+	// Set auth config file as config
+	authConfigFile()
+
+	// Get jwt from config
+	tokenString := viper.GetString("jwt")
+	if tokenString == "" {
+		return JWTInfos{}, errors.New("Not logged in")
+	}
+
+	// Parse payload
+	token, _, err := new(jwt.Parser).ParseUnverified(tokenString, jwt.MapClaims{})
+	if err != nil {
+		fmt.Println(tokenString)
+		return JWTInfos{}, errors.New("Impossible to parse user jwt")
+	}
+	claims := token.Claims.(jwt.MapClaims)
+
+	return JWTInfos{
+		Username:       claims["username"].(string),
+		ExpirationTime: time.Unix(int64(claims["exp"].(float64)), 0),
+	}, nil
+}
+
 // Create the auth config file in the home config directory
 func createAuthConfig(path string) error {
 	// Create the $HOME/.config/paastech directory if it doesn't exist