91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package helpers
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import (
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"fmt"
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"strings"
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"time"
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"github.com/gin-contrib/slog"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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"github.com/spf13/viper"
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)
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func GenerateToken(profile_id string) (string, error) {
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// token_lifespan := viper.GetInt("token_hour_lifespan")
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claims := jwt.MapClaims{
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"name": "Thomas Peetz",
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"admin": true,
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"authorized": true,
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"sub": profile_id,
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"exp": time.Now().Add(time.Hour * 72).Unix(),
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}
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// claims["authorized"] = true
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// claims["profile_id"] = profile_id
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// claims["exp"] = time.Now().Add(time.Hour * time.Duration(token_lifespan)).Unix()
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(viper.GetString("api_secret")))
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}
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func TokenValid(c *gin.Context) error {
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logger := slog.Get(c)
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tokenString := ExtractToken(c)
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_, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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logger.Info("TokenValid", "Unexpected signing method", token.Header["alg"])
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return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
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}
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return []byte(viper.GetString("api_secret")), nil
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})
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if err != nil {
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return err
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}
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return nil
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}
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func ExtractToken(c *gin.Context) string {
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logger := slog.Get(c)
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token := c.Query("token")
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if token != "" {
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logger.Info("ExtractToken", "token from query", token)
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return token
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}
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bearerToken := c.Request.Header.Get("Authorization")
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if len(strings.Split(bearerToken, " ")) == 2 {
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logger.Info("ExtractToken", "token from query", token)
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return strings.Split(bearerToken, " ")[1]
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}
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return ""
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}
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func ExtractTokenID(c *gin.Context) (string, error) {
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tokenString := ExtractToken(c)
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
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}
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return []byte(viper.GetString("api_secret")), nil
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})
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if err != nil {
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return "", err
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if ok && token.Valid {
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uid, ok := claims["profile_id"].(string)
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if !ok {
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return "", err
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}
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return uid, nil
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}
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return "", nil
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}
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