diff --git a/.env b/.env new file mode 100644 index 0000000..b69e75e --- /dev/null +++ b/.env @@ -0,0 +1,3 @@ +PORT=3000 +DB="db_user:db_pass@tcp(127.0.0.1:3306)/db_name?charset=utf8mb4&parseTime=True&loc=Local" +SECRET=sIOlasdfjoOIJKMNjkjasnfmKPIJKnmja \ No newline at end of file diff --git a/.gitignore b/.gitignore index adf8f72..f3b1988 100644 --- a/.gitignore +++ b/.gitignore @@ -21,3 +21,4 @@ # Go workspace file go.work +Go-JWT-Tests \ No newline at end of file diff --git a/README.md b/README.md index f31a214..168019f 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,5 @@ # Go-JWT-Tests -Go-JWT-Tests \ No newline at end of file +Go-JWT-Tests + +https://www.youtube.com/watch?v=ma7rUS_vW9M <= Inspiration \ No newline at end of file diff --git a/controllers/usersController.go b/controllers/usersController.go new file mode 100644 index 0000000..fda87c6 --- /dev/null +++ b/controllers/usersController.go @@ -0,0 +1,127 @@ +package controllers + +import ( + "net/http" + "os" + "time" + + "gitea.voser.cloud/janic/Go-JWT-Tests/initializers" + "gitea.voser.cloud/janic/Go-JWT-Tests/models" + "github.com/gin-gonic/gin" + "github.com/golang-jwt/jwt/v5" + "golang.org/x/crypto/bcrypt" +) + +func Signup(c *gin.Context) { + // Get the email/pass + var body struct { + Email string + Password string + } + + if c.Bind(&body) != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Failed to read body", + }) + + return + } + + // Hash Password + hash, err := bcrypt.GenerateFromPassword([]byte(body.Password), 10) + + if err != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Failed to hash password", + }) + + return + } + + // Create the user + user := models.User{Email: body.Email, Password: string(hash)} + result := initializers.DB.Create(&user) + + if result.Error != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Failed to create user", + }) + + return + } + + // respond + c.JSON(http.StatusOK, gin.H{}) +} + +func Login(c *gin.Context) { + + // Get the email and pass of body + var body struct { + Email string + Password string + } + + if c.Bind(&body) != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Failed to read body", + }) + + return + } + + // Lookup requested user + var user models.User + + initializers.DB.First(&user, "email = ?", body.Email) + + if user.ID == 0 { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Invalid Email or Password", + }) + + return + } + + // Compare sent in pass with saved user pass hash + err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(body.Password)) + + if err != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Invalid Email or Password", + }) + + return + } + // Generate a jwt token + // Create a new token object, specifying signing method and the claims + // you would like it to contain. + + token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{ + "sub": user.ID, + "nbf": time.Date(2015, 10, 10, 12, 0, 0, 0, time.UTC).Unix(), + "exp": time.Now().Add(time.Hour * 24 * 30).Unix(), + }) + + // Sign and get the complete encoded token as a string using the secret + tokenString, err := token.SignedString([]byte(os.Getenv("SECRET"))) + + if err != nil { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "Failed to create Token", + }) + + return + } + + // Return token + c.SetSameSite(http.SameSiteLaxMode) + c.SetCookie("Authorization", tokenString, 3600*24*30, "", "", false, true) + c.JSON(http.StatusOK, gin.H{}) +} + +func Validate(c *gin.Context) { + c.JSON(http.StatusOK, gin.H{ + "message": "I'm Logged in", + }) +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..f26e3c9 --- /dev/null +++ b/go.mod @@ -0,0 +1,43 @@ +module gitea.voser.cloud/janic/Go-JWT-Tests + +go 1.20 + +require ( + github.com/bytedance/sonic v1.8.6 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect + github.com/fatih/color v1.15.0 // indirect + github.com/fsnotify/fsnotify v1.6.0 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/gin-gonic/gin v1.9.0 // indirect + github.com/githubnemo/CompileDaemon v1.4.0 // 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 v10.12.0 // indirect + github.com/go-sql-driver/mysql v1.7.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/golang-jwt/jwt v3.2.2+incompatible // indirect + github.com/golang-jwt/jwt/v5 v5.0.0-rc.1 // indirect + github.com/jinzhu/inflection v1.0.0 // indirect + github.com/jinzhu/now v1.1.5 // indirect + github.com/joho/godotenv v1.5.1 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.4 // indirect + github.com/leodido/go-urn v1.2.2 // indirect + github.com/mattn/go-colorable v0.1.13 // indirect + github.com/mattn/go-isatty v0.0.18 // 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 v2.0.7 // indirect + github.com/radovskyb/watcher v1.0.7 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.11 // indirect + golang.org/x/arch v0.3.0 // indirect + golang.org/x/crypto v0.7.0 // 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 v1.30.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + gorm.io/driver/mysql v1.4.7 // indirect + gorm.io/gorm v1.24.6 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..67cc69c --- /dev/null +++ b/go.sum @@ -0,0 +1,114 @@ +github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.8.6 h1:aUgO9S8gvdN6SyW2EhIpAw5E4ChworywIEndZCkCVXk= +github.com/bytedance/sonic v1.8.6/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= +github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU= +github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs= +github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= +github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY= +github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw= +github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.9.0 h1:OjyFBKICoexlu99ctXNR2gg+c5pKrKMuyjgARg9qeY8= +github.com/gin-gonic/gin v1.9.0/go.mod h1:W1Me9+hsUSyj3CePGrd1/QrKJMSJ1Tu/0hFEH89961k= +github.com/githubnemo/CompileDaemon v1.4.0 h1:z96Qu4tj+RzRfF+L7f1O6E8ion5JQlisWeXWc2wzwDQ= +github.com/githubnemo/CompileDaemon v1.4.0/go.mod h1:/G125r3YBIp6rcXtCZfiEHwFzcl7GSsNSwylxSNrkMA= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= 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h1:rY46lkCspzGHn7+IYsNpSfEv9tA+SU4SkkB+GFX125Y= +gorm.io/driver/mysql v1.4.7/go.mod h1:SxzItlnT1cb6e1e4ZRpgJN2VYtcqJgqnHxWr4wsP8oc= +gorm.io/gorm v1.23.8/go.mod h1:l2lP/RyAtc1ynaTjFksBde/O8v9oOGIApu2/xRitmZk= +gorm.io/gorm v1.24.6 h1:wy98aq9oFEetsc4CAbKD2SoBCdMzsbSIvSUUFJuHi5s= +gorm.io/gorm v1.24.6/go.mod h1:L4uxeKpfBml98NYqVqwAdmV1a2nBtAec/cf3fpucW/k= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/initializers/connectToDb.go b/initializers/connectToDb.go new file mode 100644 index 0000000..fbba16e --- /dev/null +++ b/initializers/connectToDb.go @@ -0,0 +1,20 @@ +package initializers + +import ( + "os" + + "gorm.io/driver/mysql" + "gorm.io/gorm" +) + +var DB *gorm.DB + +func ConnectToDb() { + var err error + dsn := os.Getenv("DB") + DB, err = gorm.Open(mysql.Open(dsn), &gorm.Config{}) + + if err != nil { + panic("Failed to connecto to db") + } +} diff --git a/initializers/loadEnvVariables.go b/initializers/loadEnvVariables.go new file mode 100644 index 0000000..9f50a11 --- /dev/null +++ b/initializers/loadEnvVariables.go @@ -0,0 +1,15 @@ +package initializers + +import ( + "log" + + "github.com/joho/godotenv" +) + +func LoadEnvVariables() { + err := godotenv.Load() + + if err != nil { + log.Fatal("Error loading .env file") + } +} diff --git a/initializers/syncDatabase.go b/initializers/syncDatabase.go new file mode 100644 index 0000000..ae02a61 --- /dev/null +++ b/initializers/syncDatabase.go @@ -0,0 +1,7 @@ +package initializers + +import "gitea.voser.cloud/janic/Go-JWT-Tests/models" + +func SyncDatabase() { + DB.AutoMigrate(&models.User{}) +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..4698aff --- /dev/null +++ b/main.go @@ -0,0 +1,29 @@ +package main + +import ( + "gitea.voser.cloud/janic/Go-JWT-Tests/controllers" + "gitea.voser.cloud/janic/Go-JWT-Tests/initializers" + "gitea.voser.cloud/janic/Go-JWT-Tests/middleware" + "github.com/gin-gonic/gin" +) + +func init() { + initializers.LoadEnvVariables() + initializers.ConnectToDb() + initializers.SyncDatabase() +} + +func main() { + r := gin.Default() + + r.GET("/ping", func(c *gin.Context) { + c.JSON(200, gin.H{ + "message": "pong", + }) + }) + + r.POST("/signup", controllers.Signup) + r.POST("/login", controllers.Login) + r.GET("/validate", middleware.RequireAuth, controllers.Validate) + r.Run() +} diff --git a/middleware/requireAuth.go b/middleware/requireAuth.go new file mode 100644 index 0000000..91ef086 --- /dev/null +++ b/middleware/requireAuth.go @@ -0,0 +1,61 @@ +package middleware + +import ( + "fmt" + "net/http" + "os" + "time" + + "gitea.voser.cloud/janic/Go-JWT-Tests/initializers" + "gitea.voser.cloud/janic/Go-JWT-Tests/models" + "github.com/gin-gonic/gin" + "github.com/golang-jwt/jwt/v5" +) + +func RequireAuth(c *gin.Context) { + // Get the cookie from request + tokenString, err := c.Cookie("Authorization") + + if err != nil { + c.AbortWithStatus(http.StatusUnauthorized) + } + + // Decode & validate + token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) { + if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok { + return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"]) + } + + // hmacSampleSecret is a []byte containing your secret, e.g. []byte("my_secret_key") + return []byte(os.Getenv("SECRET")), nil + }) + + // Abort if no token is set + if token == nil { + c.AbortWithStatus(http.StatusUnauthorized) + } + + if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid { + // Check the expiration date + if float64(time.Now().Unix()) > claims["exp"].(float64) { + c.AbortWithStatus(http.StatusUnauthorized) + } + + // Lookup the user with the token + var user models.User + initializers.DB.First(&user, claims["sub"]) + + if user.ID == 0 { + c.AbortWithStatus(http.StatusUnauthorized) + } + + // Attach to request + c.Set("user", user) + + // Continue + c.Next() + } else { + fmt.Println(err) + } + +} diff --git a/models/userModel.go b/models/userModel.go new file mode 100644 index 0000000..8deeb26 --- /dev/null +++ b/models/userModel.go @@ -0,0 +1,10 @@ +package models + +import "gorm.io/gorm" + +type User struct { + gorm.Model + Name string + Email string `gorm:"unique"` + Password string +} diff --git a/runDB.sh b/runDB.sh new file mode 100644 index 0000000..f974aef --- /dev/null +++ b/runDB.sh @@ -0,0 +1 @@ +docker run -e MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=true -e MYSQL_USER=db_user -e MYSQL_PASSWORD=db_pass -e MARIADB_DATABASE=db_name -p 3306:3306 docker.io/library/mariadb