91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package utils
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import (
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"errors"
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"fmt"
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"time"
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"legalgo-BE-go/config"
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authdomain "legalgo-BE-go/internal/domain/auth"
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jwtclaimenum "legalgo-BE-go/internal/enums/jwt"
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timeutils "legalgo-BE-go/internal/utilities/time_utils"
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"github.com/golang-jwt/jwt/v5"
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)
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type ClaimOption func(options jwt.MapClaims)
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// func GenerateToken(options ...ClaimOption) (string, error) {
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// now := timeutils.Now()
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// claims := jwt.MapClaims{
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// string(jwtclaimenum.ISSUED_AT): now.Unix(),
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// }
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// for _, o := range options {
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// o(claims)
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// }
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// token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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// return token.SignedString(jwtSecret)
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// }
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func GenerateToken(data authdomain.AuthToken) (string, error) {
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now := timeutils.Now()
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claims := jwt.MapClaims{
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"email": data.Email,
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"session_id": data.SessionID,
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"exp": now.Add(1 * time.Hour).Unix(),
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(config.SALT_SECURITY))
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}
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func parseToken(s string) (*jwt.Token, error) {
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return jwt.Parse(s, func(t *jwt.Token) (any, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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errMsg := fmt.Sprintf("unexpected signing method: %v", t.Header["alg"])
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return nil, errors.New(errMsg)
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}
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return []byte(config.SALT_SECURITY), nil
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})
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}
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func DestructToken(s string) (authdomain.AuthToken, error) {
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var data authdomain.AuthToken
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token, err := parseToken(s)
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if err != nil {
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return data, err
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if !ok {
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return data, errors.New("failed to parse token")
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}
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if !token.Valid {
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return data, errors.New("invalid token")
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}
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email, ok := claims[string(jwtclaimenum.EMAIL)].(string)
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if !ok {
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return data, errors.New("invalid email")
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}
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sessionId, ok := claims[string(jwtclaimenum.SESSION_ID)].(string)
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data = authdomain.AuthToken{
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Email: email,
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SessionID: sessionId,
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}
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return data, nil
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}
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