func (sc *ServerContext) installPrincipals(context *db.DatabaseContext, spec map[string]json.RawMessage, what string) error {
for name, data := range spec {
isUsers := (what == "user")
if name == "GUEST" && isUsers {
name = ""
}
authenticator := context.Authenticator()
newPrincipal, err := authenticator.UnmarshalPrincipal(data, name, 1, isUsers)
if err != nil {
return fmt.Errorf("Invalid config for %s %q: %v", what, name, err)
}
oldPrincipal, err := authenticator.GetPrincipal(newPrincipal.Name(), isUsers)
if oldPrincipal == nil || name == "" {
if err == nil {
err = authenticator.Save(newPrincipal)
}
if err != nil {
return fmt.Errorf("Couldn't create %s %q: %v", what, name, err)
} else if name == "" {
base.Log(" Reset guest user to config")
} else {
base.Log(" Created %s %q", what, name)
}
}
}
return nil
}
// Updates or creates a principal from a PrincipalConfig structure.
func updatePrincipal(dbc *db.DatabaseContext, newInfo PrincipalConfig, isUser bool, allowReplace bool) (replaced bool, err error) {
// Get the existing principal, or if this is a POST make sure there isn't one:
var princ auth.Principal
var user auth.User
authenticator := dbc.Authenticator()
if isUser {
user, err = authenticator.GetUser(internalUserName(*newInfo.Name))
princ = user
} else {
princ, err = authenticator.GetRole(*newInfo.Name)
}
if err != nil {
return
}
replaced = (princ != nil)
if !replaced {
// If user/role didn't exist already, instantiate a new one:
if isUser {
user, err = authenticator.NewUser(internalUserName(*newInfo.Name), "", nil)
princ = user
} else {
princ, err = authenticator.NewRole(*newInfo.Name, nil)
}
if err != nil {
return
}
} else if !allowReplace {
err = base.HTTPErrorf(http.StatusConflict, "Already exists")
return
}
// Now update the Principal object from the properties in the request, first the channels:
updatedChannels := princ.ExplicitChannels()
if updatedChannels == nil {
updatedChannels = ch.TimedSet{}
}
lastSeq, err := dbc.LastSequence()
if err != nil {
return
}
updatedChannels.UpdateAtSequence(newInfo.ExplicitChannels, lastSeq+1)
princ.SetExplicitChannels(updatedChannels)
// Then the roles:
if isUser {
user.SetEmail(newInfo.Email)
if newInfo.Password != nil {
user.SetPassword(*newInfo.Password)
}
user.SetDisabled(newInfo.Disabled)
user.SetExplicitRoleNames(newInfo.ExplicitRoleNames)
}
// And finally save the Principal:
err = authenticator.Save(princ)
return
}
func (h *handler) checkAuth(context *db.DatabaseContext) error {
h.user = nil
if context == nil {
return nil
}
// Check cookie first:
var err error
h.user, err = context.Authenticator().AuthenticateCookie(h.rq)
if err != nil {
return err
} else if h.user != nil {
base.LogTo("HTTP+", "#%03d: Authenticated as %q via cookie", h.serialNumber, h.user.Name())
return nil
}
// If no cookie, check HTTP auth:
if userName, password := h.getBasicAuth(); userName != "" {
h.user = context.Authenticator().AuthenticateUser(userName, password)
if h.user == nil {
base.Log("HTTP auth failed for username=%q", userName)
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return &base.HTTPError{http.StatusUnauthorized, "Invalid login"}
}
if h.user.Name() != "" {
base.LogTo("HTTP+", "#%03d: Authenticated as %q", h.serialNumber, h.user.Name())
}
return nil
}
// No auth given -- check guest access
if h.user, err = context.Authenticator().GetUser(""); err != nil {
return err
}
if h.privs == regularPrivs && h.user.Disabled() {
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return &base.HTTPError{http.StatusUnauthorized, "Login required"}
}
return nil
}
// Updates or creates a principal from a PrincipalConfig structure.
func updatePrincipal(dbc *db.DatabaseContext, newInfo PrincipalConfig, isUser bool, allowReplace bool) (replaced bool, err error) {
// Get the existing principal, or if this is a POST make sure there isn't one:
var princ auth.Principal
var user auth.User
authenticator := dbc.Authenticator()
if isUser {
user, err = authenticator.GetUser(internalUserName(*newInfo.Name))
princ = user
} else {
princ, err = authenticator.GetRole(*newInfo.Name)
}
if err != nil {
return
}
replaced = (princ != nil)
if !replaced {
// If user/role didn't exist already, instantiate a new one:
if isUser {
user, err = authenticator.NewUser(internalUserName(*newInfo.Name), "", nil)
princ = user
} else {
princ, err = authenticator.NewRole(*newInfo.Name, nil)
}
if err != nil {
return
}
} else if !allowReplace {
err = base.HTTPErrorf(http.StatusConflict, "Already exists")
return
}
// Now update the Principal object from the properties in the request, first the channels:
updatedChannels := princ.ExplicitChannels()
if updatedChannels == nil {
updatedChannels = ch.TimedSet{}
}
lastSeq, err := dbc.LastSequence()
if err != nil {
return
}
updatedChannels.UpdateAtSequence(newInfo.ExplicitChannels, lastSeq+1)
princ.SetExplicitChannels(updatedChannels)
// Then the user-specific fields like roles:
if isUser {
user.SetEmail(newInfo.Email)
if newInfo.Password != nil {
user.SetPassword(*newInfo.Password)
}
user.SetDisabled(newInfo.Disabled)
// Convert the array of role strings into a TimedSet by reapplying the current sequences
// for existing roles, and using the database's last sequence for any new roles.
newRoles := ch.TimedSet{}
oldRoles := user.ExplicitRoles()
var currentSequence uint64
for _, roleName := range newInfo.ExplicitRoleNames {
since, found := oldRoles[roleName]
if !found {
if currentSequence == 0 {
currentSequence, _ = dbc.LastSequence()
if currentSequence == 0 {
currentSequence = 1
}
}
since = currentSequence
}
newRoles[roleName] = since
}
user.SetExplicitRoles(newRoles)
}
// And finally save the Principal:
err = authenticator.Save(princ)
return
}