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Merge pull request #6 from DarkCoder26/Auth
Jwt token and register added in auth
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package auth | ||
|
|
||
| import ( | ||
| // "fmt" | ||
| "encoding/json" | ||
| "net/http" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/dgrijalva/jwt-go" | ||
| ) | ||
|
|
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| var jwtKey = []byte(os.Getenv("JWT_SECRET")) | ||
| var users = map[string]string{} | ||
|
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| type Claims struct { | ||
| Username string "json:username" | ||
| jwt.StandardClaims | ||
| } | ||
|
|
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| func GenerateJWT(w http.ResponseWriter, r *http.Request) { | ||
| username := r.URL.Query().Get("username") | ||
| if username == "" { | ||
| http.Error(w, "Username is required", http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
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| expirationTime := time.Now().Add(30 * time.Minute) | ||
| claims := &Claims{ | ||
| Username: username, | ||
| StandardClaims: jwt.StandardClaims{ | ||
| ExpiresAt: expirationTime.Unix(), | ||
| IssuedAt: time.Now().Unix(), | ||
| Issuer: "Linky", | ||
| }, | ||
| } | ||
| token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims) | ||
| tokenString, err := token.SignedString(jwtKey) | ||
| if err != nil { | ||
| http.Error(w, "Could not generate token", http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
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| w.Header().Set("Content-Type", "application/json") | ||
| w.Write([]byte(`{"token": "` + tokenString + `"}`)) | ||
| // return tokenString | ||
| } | ||
|
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| func ValidateJWT(w http.ResponseWriter, r *http.Request) { | ||
| tokenString := r.URL.Query().Get("token") | ||
| claims := &Claims{} | ||
| token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) { | ||
| return jwtKey, nil | ||
| }) | ||
|
|
||
| if err != nil { | ||
| if err == jwt.ErrSignatureInvalid { | ||
| http.Error(w, "Invalid token signature", http.StatusUnauthorized) | ||
| return | ||
| } | ||
| http.Error(w, "Invalid token", http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| if !token.Valid { | ||
| http.Error(w, "Invalid token", http.StatusUnauthorized) | ||
| return | ||
| } | ||
| w.Header().Set("Content-Type", "application/json") | ||
| json.NewEncoder(w).Encode(map[string]interface{}{ | ||
| "username": claims.Username, | ||
| "id": claims.Id, | ||
| "issuer": claims.Issuer, | ||
| "expiresAt": claims.ExpiresAt, | ||
| "issuedAt": claims.IssuedAt, | ||
| }) | ||
|
|
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| // return claims, nil | ||
| } | ||
|
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| func Register(w http.ResponseWriter, r *http.Request) { | ||
| username := r.URL.Query().Get("username") | ||
| password := r.URL.Query().Get("password") | ||
|
|
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| if username == "" || password == "" { | ||
| http.Error(w, "Username and password are required", http.StatusBadRequest) | ||
| return | ||
| } | ||
|
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| if _, exists := users[username]; exists { | ||
| http.Error(w, "User already exists", http.StatusBadRequest) | ||
| return | ||
| } | ||
|
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| users[username] = password | ||
|
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| w.Header().Set("Content-Type", "application/json") | ||
| w.WriteHeader(http.StatusOK) | ||
| json.NewEncoder(w).Encode(map[string]string{"message": "User registered successfully"}) | ||
| } | ||
|
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| func ShowUsers(w http.ResponseWriter, r *http.Request) { | ||
| w.Header().Set("Content-Type", "application/json") | ||
| json.NewEncoder(w).Encode(users) | ||
| } |
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