func (this *cbConfigStore) Authorize(credentials map[string]string, privileges []clustering.Privilege) errors.Error {
if len(credentials) == 0 {
return errors.NewAdminAuthError(nil, "no credentials provided")
}
for username, password := range credentials {
auth, err := cbauth.Auth(username, password)
if err != nil {
return errors.NewAdminAuthError(err, "")
}
for _, requested := range privileges {
switch requested {
case clustering.PRIV_SYS_ADMIN:
isAdmin, err := auth.IsAdmin()
if err != nil {
return errors.NewAdminAuthError(err, "")
}
if isAdmin {
return nil
}
return errors.NewAdminAuthError(nil, "sys admin requires administrator credentials")
case clustering.PRIV_READ:
if auth.CanReadAnyMetadata() {
return nil
}
return errors.NewAdminAuthError(nil, "read not authorized")
}
}
}
return errors.NewAdminAuthError(nil, "unrecognized authorization request")
}
func (this *HttpEndpoint) hasAdminAuth(req *http.Request) errors.Error {
// retrieve the credentials from the request; the credentials must be specified
// using basic authorization format. An error is returned if there is a step that
// prevents retrieval of the credentials.
authHdr := req.Header["Authorization"]
if len(authHdr) == 0 {
return errors.NewAdminAuthError(nil, "basic authorization required")
}
auth := authHdr[0]
basicPrefix := "Basic "
if !strings.HasPrefix(auth, basicPrefix) {
return errors.NewAdminAuthError(nil, "basic authorization required")
}
decoded, err := base64.StdEncoding.DecodeString(auth[len(basicPrefix):])
if err != nil {
return errors.NewAdminDecodingError(err)
}
colonIndex := bytes.IndexByte(decoded, ':')
if colonIndex == -1 {
return errors.NewAdminAuthError(nil, "incorrect authorization header")
}
user := string(decoded[:colonIndex])
password := string(decoded[colonIndex+1:])
creds := map[string]string{user: password}
// Attempt authorization with the cluster
configstore := this.server.ConfigurationStore()
sslPrivs := []clustering.Privilege{clustering.PRIV_SYS_ADMIN}
authErr := configstore.Authorize(creds, sslPrivs)
if authErr != nil {
return authErr
}
return nil
}