54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package app
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import (
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"fmt"
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"os"
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"strings"
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"github.com/farahty/go-mongo/models"
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"github.com/golang-jwt/jwt/v4"
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"github.com/mitchellh/mapstructure"
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)
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func getTokenFromHeader(authHeader string) (string, error) {
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if authHeader == "" {
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return "", fmt.Errorf("there is no authorization header provided")
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}
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authSlice := strings.Split(authHeader, " ")
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if len(authSlice) != 2 {
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return "", fmt.Errorf("wrong access token or header format")
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}
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return strings.TrimSpace(authSlice[1]), nil
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}
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func getUserFromToken(tokenString string) (*models.UserJWT, error) {
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token, err := jwt.Parse(tokenString, func(t *jwt.Token) (interface{}, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("wrong token format ")
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}
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return []byte(os.Getenv("ACCESS_SECRET")), nil
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})
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if err != nil {
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return nil, err
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}
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if !token.Valid {
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return nil, fmt.Errorf("token is not valid")
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}
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var user *models.UserJWT
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claims := token.Claims.(jwt.MapClaims)
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if err := mapstructure.Decode(claims["data"], &user); err != nil {
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return nil, fmt.Errorf("error while decoding payload claim")
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}
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return user, nil
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}
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