105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
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package tokenservicelogic
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import (
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"app-cloudep-permission-server/internal/domain"
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"app-cloudep-permission-server/internal/entity"
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"bytes"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"github.com/golang-jwt/jwt/v4"
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"time"
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)
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var generateAccessTokenFunc = generateAccessToken
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var generateRefreshTokenFunc = generateRefreshToken
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func generateAccessToken(token entity.Token, data any, sign string) (string, error) {
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claim := entity.Claims{
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Data: data,
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RegisteredClaims: jwt.RegisteredClaims{
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ID: token.ID,
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ExpiresAt: jwt.NewNumericDate(time.Unix(int64(token.ExpiresIn), 0)),
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Issuer: "permission",
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},
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}
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accessToken, err := jwt.NewWithClaims(jwt.SigningMethodHS256, claim).
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SignedString([]byte(sign))
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if err != nil {
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return "", domain.TokenClaimError(err.Error())
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}
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return accessToken, nil
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}
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func generateRefreshToken(accessToken string) string {
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buf := bytes.NewBufferString(accessToken)
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h := sha256.New()
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_, _ = h.Write(buf.Bytes())
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return hex.EncodeToString(h.Sum(nil))
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}
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func parseToken(accessToken string, secret string, validate bool) (jwt.MapClaims, error) {
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// 跳過驗證的解析
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var token *jwt.Token
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var err error
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if validate {
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token, err = jwt.Parse(accessToken, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, domain.TokenUnexpectedSigningErr(fmt.Sprintf("token unexpected signing method: %v", token.Header["alg"]))
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}
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return []byte(secret), nil
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})
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if err != nil {
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return jwt.MapClaims{}, err
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}
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} else {
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parser := jwt.NewParser(jwt.WithoutClaimsValidation())
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token, err = parser.Parse(accessToken, func(token *jwt.Token) (interface{}, error) {
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return []byte(secret), nil
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})
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if err != nil {
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return jwt.MapClaims{}, err
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}
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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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return jwt.MapClaims{}, domain.TokenTokenValidateErr("token valid error")
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}
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return claims, nil
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}
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func parseClaims(accessToken string, secret string, validate bool) (claims, error) {
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claimMap, err := parseToken(accessToken, secret, validate)
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if err != nil {
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return claims{}, err
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}
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claimsData, ok := claimMap["data"].(map[string]any)
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if ok {
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return convertMap(claimsData), nil
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}
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return claims{}, domain.TokenClaimError("get data from claim map error")
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}
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func convertMap(input map[string]interface{}) map[string]string {
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output := make(map[string]string)
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for key, value := range input {
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switch v := value.(type) {
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case string:
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output[key] = v
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case fmt.Stringer:
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output[key] = v.String()
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default:
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output[key] = fmt.Sprintf("%v", value)
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}
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}
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return output
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}
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