func (self *MySession) Destroy() (bool, error) {
if len(self.key) == 0 || len(self.sessionId) == 0 {
errorMsg := fmt.Sprintln("Uninitialized yet!")
return false, errors.New(errorMsg)
}
go_lib.LogInfof("Destroy session (key=%s)... \n", self.key)
grantors, err := dao.GetHash(self.key, SESSION_GRANTORS_KEY)
if err != nil {
return false, err
}
_, err = dao.DelKey(self.key)
if err != nil {
return false, err
}
if len(grantors) > 0 {
_, err = dao.DelHashField(SESSION_MAP_KEY, grantors)
if err != nil {
return false, err
}
}
go_lib.LogInfof("Delete session cookie (value=%s)...\n", self.sessionId)
hmSessionCookie.Delete(SESSION_COOKIE_KEY, self.w)
go_lib.LogInfof("The session (key=%s) is destroyed. \n", self.key)
return true, nil
}
func GetMatchedSession(w http.ResponseWriter, r *http.Request) (*MySession, error) {
sessionId := hmSessionCookie.GetOne(SESSION_COOKIE_KEY, r)
if len(sessionId) == 0 {
warningMsg := fmt.Sprintf("Not found matched session! No session cookie!")
go_lib.LogWarnln(warningMsg)
return nil, nil
}
sessionkey := generateSessionKey(sessionId)
exists, err := dao.Exists(sessionkey)
if err != nil {
return nil, err
}
if !exists {
warningMsg := fmt.Sprintf("Not found matched session! No session in storage! (sessionId=%s, sessionKey=%s)", sessionId, sessionkey)
go_lib.LogWarnln(warningMsg)
return nil, nil
}
grantors, err := dao.GetHash(sessionkey, SESSION_GRANTORS_KEY)
if err != nil {
return nil, err
}
if len(grantors) == 0 {
warningMsg := fmt.Sprintf("Not found grantor from session (sessionKey=%s, attribute=%s)!\n", sessionkey, SESSION_GRANTORS_KEY)
go_lib.LogWarnln(warningMsg)
return nil, nil
}
groupName, err := dao.GetHash(sessionkey, SESSION_GROUP_KEY)
if err != nil {
return nil, err
}
if len(groupName) == 0 {
warningMsg := fmt.Sprintf("Not found group name from session (sessionKey=%s, attribute=%s)!\n", sessionkey, SESSION_GROUP_KEY)
go_lib.LogWarnln(warningMsg)
return nil, err
}
servivalSecondsLiterals, err := dao.GetHash(sessionkey, SESSION_SURVIVAL_SECONDS_KEY)
if err != nil {
return nil, err
}
if len(servivalSecondsLiterals) == 0 {
warningMsg := fmt.Sprintf("Not found session servival seconds. Use default value '0'. (sessionKey=%s, attribute=%s)!\n", sessionkey, SESSION_SURVIVAL_SECONDS_KEY)
go_lib.LogWarnln(warningMsg)
return nil, err
}
hmSession := &MySession{key: sessionkey, sessionId: sessionId, w: w, r: r}
return hmSession, nil
}
func (self *MySession) Get(name string) (string, error) {
if len(name) == 0 {
errorMsg := fmt.Sprintln("The parameter named name is EMPTY!")
return "", errors.New(errorMsg)
}
value, err := dao.GetHash(self.key, name)
if err != nil {
return "", err
}
return value, nil
}
func ClearPageAccessRecord(pageName string, visitor string) (bool, error) {
if len(pageName) == 0 {
return false, errors.New("The parameter named pageName is EMPTY!")
}
sign := getSignForPage(pageName)
sign.Set()
defer sign.Unset()
parameterInfo := fmt.Sprintf("(pageName=%s, visitor=%s)", pageName, visitor)
var result bool
conn := dao.RedisPool.Get()
defer conn.Close()
value, err := dao.GetHash(dao.PAGE_ACCESS_RECORDS_KEY, pageName)
if err != nil {
return false, err
}
visitorAccessRecords, err := parseVisitorAccessRecords(value)
if err != nil {
base.Logger().Errorf("Parsing visitor access records error: %s %s\n", err, parameterInfo)
}
if visitorAccessRecords != nil {
_, ok := visitorAccessRecords[visitor]
if ok {
delete(visitorAccessRecords, visitor)
literals, err := formatVisitorAccessRecords(visitorAccessRecords)
if err != nil {
base.Logger().Errorf("Formating visitor access records error: %s %s\n", err, parameterInfo)
} else {
result, err = dao.SetHash(dao.PAGE_ACCESS_RECORDS_KEY, pageName, literals)
if err != nil {
return false, err
}
}
}
}
if result {
base.Logger().Infof("The page access info has been cleared. %s\n", parameterInfo)
} else {
base.Logger().Warnf("The page access info failed to clear. %s\n", parameterInfo)
}
return result, nil
}
func GetUserGroup(groupName string) (*UserGroup, error) {
if len(groupName) == 0 {
debug.PrintStack()
return nil, errors.New("The parameter named groupName is EMPTY!")
}
groupRightsLiterals, err := dao.GetHash(dao.USER_GROUP_KEY, groupName)
if err != nil {
return nil, err
}
if len(groupRightsLiterals) == 0 {
return nil, nil
}
groupRights, err := UnmarshalGroupRights(groupRightsLiterals)
if err != nil {
return nil, err
}
userGroup := new(UserGroup)
userGroup.Name = groupName
userGroup.Rights = groupRights
return userGroup, nil
}
func AddPageAccessRecord(pageName string, visitor string, number uint64) (bool, error) {
if len(pageName) == 0 {
return false, errors.New("The parameter named pageName is EMPTY!")
}
sign := getSignForPage(pageName)
sign.Set()
defer sign.Unset()
parameterInfo := fmt.Sprintf("(pageName=%s, visitor=%s, number=%d)", pageName, visitor, number)
var result bool
conn := dao.RedisPool.Get()
defer conn.Close()
value, err := dao.GetHash(dao.PAGE_ACCESS_RECORDS_KEY, pageName)
if err != nil {
return false, err
}
visitorAccessRecords, err := parseVisitorAccessRecords(value)
if err != nil {
go_lib.LogErrorf("Parsing visitor access records error: %s %s\n", err, parameterInfo)
}
if visitorAccessRecords != nil {
visitorAccessRecords[visitor] = visitorAccessRecords[visitor] + uint64(number)
literals, err := formatVisitorAccessRecords(visitorAccessRecords)
if err != nil {
go_lib.LogErrorf("Formating visitor access records error: %s %s\n", err, parameterInfo)
} else {
result, err = dao.SetHash(dao.PAGE_ACCESS_RECORDS_KEY, pageName, literals)
if err != nil {
return result, err
}
}
}
if result {
go_lib.LogInfof("The page access info has been recorded. %s\n", parameterInfo)
} else {
go_lib.LogWarnf("The page access info failed to record. %s\n", parameterInfo)
}
return result, nil
}
func GetPageAccessRecords(pageName string) (map[string]uint64, error) {
if len(pageName) == 0 {
return nil, errors.New("The parameter named pageName is EMPTY!")
}
sign := getSignForPage(pageName)
sign.Set()
defer sign.Unset()
parameterInfo := fmt.Sprintf("(pageName=%s)", pageName)
conn := dao.RedisPool.Get()
defer conn.Close()
value, err := dao.GetHash(dao.PAGE_ACCESS_RECORDS_KEY, pageName)
if err != nil {
errorMsg := fmt.Sprintf("Getting visitor access records error: %s %s\n", err, parameterInfo)
return nil, errors.New(errorMsg)
}
var visitorAccessRecords map[string]uint64
visitorAccessRecords, err = parseVisitorAccessRecords(value)
if err != nil {
errorMsg := fmt.Sprintf("Parsing visitor access records error: %s %s\n", err, parameterInfo)
return nil, errors.New(errorMsg)
}
return visitorAccessRecords, nil
}
