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232 lines
7.5 KiB
232 lines
7.5 KiB
package token_verify
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import (
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"Open_IM/pkg/common/config"
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"Open_IM/pkg/common/constant"
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commonDB "Open_IM/pkg/common/db"
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"Open_IM/pkg/common/log"
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"Open_IM/pkg/utils"
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"github.com/garyburd/redigo/redis"
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"github.com/golang-jwt/jwt/v4"
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"time"
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)
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//var (
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// TokenExpired = errors.New("token is timed out, please log in again")
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// TokenInvalid = errors.New("token has been invalidated")
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// TokenNotValidYet = errors.New("token not active yet")
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// TokenMalformed = errors.New("that's not even a token")
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// TokenUnknown = errors.New("couldn't handle this token")
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//)
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type Claims struct {
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UID string
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Platform string //login platform
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jwt.RegisteredClaims
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}
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func BuildClaims(uid, platform string, ttl int64) Claims {
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now := time.Now()
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return Claims{
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UID: uid,
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Platform: platform,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(now.Add(time.Duration(ttl*24) * time.Hour)), //Expiration time
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IssuedAt: jwt.NewNumericDate(now), //Issuing time
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NotBefore: jwt.NewNumericDate(now), //Begin Effective time
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}}
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}
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func CreateToken(userID string, platformID int32) (string, int64, error) {
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claims := BuildClaims(userID, constant.PlatformIDToName(platformID), config.Config.TokenPolicy.AccessExpire)
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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tokenString, err := token.SignedString([]byte(config.Config.TokenPolicy.AccessSecret))
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if err != nil {
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return "", 0, err
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}
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//remove Invalid token
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m, err := commonDB.DB.GetTokenMapByUidPid(userID, constant.PlatformIDToName(platformID))
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if err != nil && err != redis.ErrNil {
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return "", 0, err
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}
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var deleteTokenKey []string
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for k, v := range m {
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_, err = GetClaimFromToken(k)
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if err != nil || v != constant.NormalToken {
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deleteTokenKey = append(deleteTokenKey, k)
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}
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}
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if len(deleteTokenKey) != 0 {
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err = commonDB.DB.DeleteTokenByUidPid(userID, platformID, deleteTokenKey)
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if err != nil {
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return "", 0, err
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}
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}
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err = commonDB.DB.AddTokenFlag(userID, platformID, tokenString, constant.NormalToken)
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if err != nil {
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return "", 0, err
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}
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return tokenString, claims.ExpiresAt.Time.Unix(), err
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}
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func secret() jwt.Keyfunc {
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return func(token *jwt.Token) (interface{}, error) {
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return []byte(config.Config.TokenPolicy.AccessSecret), nil
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}
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}
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func GetClaimFromToken(tokensString string) (*Claims, error) {
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token, err := jwt.ParseWithClaims(tokensString, &Claims{}, secret())
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if err != nil {
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if ve, ok := err.(*jwt.ValidationError); ok {
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if ve.Errors&jwt.ValidationErrorMalformed != 0 {
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return nil, &constant.ErrTokenMalformed
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} else if ve.Errors&jwt.ValidationErrorExpired != 0 {
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return nil, &constant.ErrTokenExpired
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} else if ve.Errors&jwt.ValidationErrorNotValidYet != 0 {
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return nil, &constant.ErrTokenNotValidYet
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} else {
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return nil, &constant.ErrTokenUnknown
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}
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} else {
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return nil, &constant.ErrTokenNotValidYet
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}
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} else {
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if claims, ok := token.Claims.(*Claims); ok && token.Valid {
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//log.NewDebug("", claims.UID, claims.Platform)
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return claims, nil
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}
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return nil, &constant.ErrTokenNotValidYet
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}
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}
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func IsAppManagerAccess(token string, OpUserID string) bool {
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claims, err := ParseToken(token, "")
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if err != nil {
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return false
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}
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if utils.IsContain(claims.UID, config.Config.Manager.AppManagerUid) && claims.UID == OpUserID {
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return true
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}
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return false
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}
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func IsManagerUserID(OpUserID string) bool {
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if utils.IsContain(OpUserID, config.Config.Manager.AppManagerUid) {
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return true
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} else {
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return false
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}
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}
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func CheckAccess(OpUserID string, OwnerUserID string) bool {
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if utils.IsContain(OpUserID, config.Config.Manager.AppManagerUid) {
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return true
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}
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if OpUserID == OwnerUserID {
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return true
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}
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return false
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}
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func GetUserIDFromToken(token string, operationID string) (bool, string) {
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claims, err := ParseToken(token, operationID)
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if err != nil {
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log.Error(operationID, "ParseToken failed, ", err.Error(), token)
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return false, ""
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}
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return true, claims.UID
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}
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func ParseTokenGetUserID(token string, operationID string) (error, string) {
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claims, err := ParseToken(token, operationID)
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if err != nil {
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return utils.Wrap(err, ""), ""
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}
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return nil, claims.UID
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}
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func ParseToken(tokensString, operationID string) (claims *Claims, err error) {
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claims, err = GetClaimFromToken(tokensString)
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if err != nil {
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log.NewError(operationID, "token validate err", err.Error(), tokensString)
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return nil, utils.Wrap(err, "")
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}
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m, err := commonDB.DB.GetTokenMapByUidPid(claims.UID, claims.Platform)
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if err != nil {
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log.NewError(operationID, "get token from redis err", err.Error(), tokensString)
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return nil, utils.Wrap(&constant.ErrTokenInvalid, "get token from redis err")
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}
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if m == nil {
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log.NewError(operationID, "get token from redis err", "m is nil", tokensString)
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return nil, utils.Wrap(&constant.ErrTokenInvalid, "get token from redis err")
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}
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if v, ok := m[tokensString]; ok {
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switch v {
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case constant.NormalToken:
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log.NewDebug(operationID, "this is normal return", claims)
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return claims, nil
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case constant.InValidToken:
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return nil, utils.Wrap(&constant.ErrTokenInvalid, "")
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case constant.KickedToken:
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log.Error(operationID, "this token has been kicked by other same terminal ", constant.ErrTokenKicked)
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return nil, utils.Wrap(&constant.ErrTokenKicked, "this token has been kicked by other same terminal ")
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case constant.ExpiredToken:
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return nil, utils.Wrap(&constant.ErrTokenExpired, "")
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default:
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return nil, utils.Wrap(&constant.ErrTokenUnknown, "")
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}
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}
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log.NewError(operationID, "redis token map not find", constant.ErrTokenUnknown)
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return nil, utils.Wrap(&constant.ErrTokenUnknown, "redis token map not find")
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}
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//func MakeTheTokenInvalid(currentClaims *Claims, platformClass string) (bool, error) {
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// storedRedisTokenInterface, err := db.DB.GetPlatformToken(currentClaims.UID, platformClass)
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// if err != nil {
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// return false, err
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// }
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// storedRedisPlatformClaims, err := ParseRedisInterfaceToken(storedRedisTokenInterface)
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// if err != nil {
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// return false, err
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// }
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// //if issue time less than redis token then make this token invalid
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// if currentClaims.IssuedAt.Time.Unix() < storedRedisPlatformClaims.IssuedAt.Time.Unix() {
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// return true, constant.TokenInvalid
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// }
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// return false, nil
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//}
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func ParseRedisInterfaceToken(redisToken interface{}) (*Claims, error) {
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return GetClaimFromToken(string(redisToken.([]uint8)))
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}
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//Validation token, false means failure, true means successful verification
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func VerifyToken(token, uid string) (bool, error) {
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claims, err := ParseToken(token, "")
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if err != nil {
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return false, utils.Wrap(err, "ParseToken failed")
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}
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if claims.UID != uid {
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return false, &constant.ErrTokenUnknown
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}
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log.NewDebug("", claims.UID, claims.Platform)
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return true, nil
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}
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func WsVerifyToken(token, uid string, platformID string, operationID string) (bool, error, string) {
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claims, err := ParseToken(token, operationID)
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if err != nil {
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return false, utils.Wrap(err, "parse token err"), "parse token err"
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}
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if claims.UID != uid {
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return false, utils.Wrap(&constant.ErrTokenUnknown, "uid is not same to token uid"), "uid is not same to token uid"
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}
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if claims.Platform != constant.PlatformIDToName(utils.StringToInt32(platformID)) {
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return false, utils.Wrap(&constant.ErrTokenUnknown, "platform is not same to token platform"), "platform is not same to token platform"
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}
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log.NewDebug(operationID, utils.GetSelfFuncName(), " check ok ", claims.UID, uid, claims.Platform)
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return true, nil, ""
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}
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