Ralf HaferkampandRalf Haferkamp
9ec532da93
for getting https://github.com/opencloud-eu/reva/pull/360
126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
// Copyright 2018-2021 CERN
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// In applying this license, CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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package sharedconf
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import (
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"fmt"
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"os"
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"sync"
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"github.com/mitchellh/mapstructure"
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)
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var (
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sharedConf = &conf{}
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sharedConfOnce sync.Once
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)
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// ClientOptions represent additional options (e.g. tls settings) for the grpc clients
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type ClientOptions struct {
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TLSMode string `mapstructure:"tls_mode"`
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CACertFile string `mapstructure:"cacert"`
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}
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type conf struct {
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JWTSecret string `mapstructure:"jwt_secret"`
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GatewaySVC string `mapstructure:"gatewaysvc"`
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DataGateway string `mapstructure:"datagateway"`
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SkipUserGroupsInToken bool `mapstructure:"skip_user_groups_in_token"`
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MultiTenantEnabled bool `mapstructure:"multi_tenant_enabled"`
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GRPCClientOptions ClientOptions `mapstructure:"grpc_client_options"`
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}
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// Decode decodes the configuration.
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func Decode(v interface{}) error {
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var err error
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sharedConfOnce.Do(func() {
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if err = mapstructure.Decode(v, sharedConf); err != nil {
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return
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}
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// add some defaults
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if sharedConf.GatewaySVC == "" {
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sharedConf.GatewaySVC = "0.0.0.0:19000"
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}
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// this is the default address we use for the data gateway HTTP service
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if sharedConf.DataGateway == "" {
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host, err := os.Hostname()
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if err != nil || host == "" {
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sharedConf.DataGateway = "http://0.0.0.0:19001/datagateway"
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} else {
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sharedConf.DataGateway = fmt.Sprintf("http://%s:19001/datagateway", host)
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}
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}
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// TODO(labkode): would be cool to autogenerate one secret and print
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// it on init time.
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if sharedConf.JWTSecret == "" {
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sharedConf.JWTSecret = "changemeplease"
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}
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})
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return err
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}
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// GetJWTSecret returns the package level configured jwt secret if not overwritten.
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func GetJWTSecret(val string) string {
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if val == "" {
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return sharedConf.JWTSecret
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}
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return val
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}
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// GetGatewaySVC returns the package level configured gateway service if not overwritten.
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func GetGatewaySVC(val string) string {
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if val == "" {
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return sharedConf.GatewaySVC
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}
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return val
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}
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// GetDataGateway returns the package level data gateway endpoint if not overwritten.
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func GetDataGateway(val string) string {
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if val == "" {
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return sharedConf.DataGateway
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}
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return val
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}
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// SkipUserGroupsInToken returns whether to skip encoding user groups in the access tokens.
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func SkipUserGroupsInToken() bool {
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return sharedConf.SkipUserGroupsInToken
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}
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// MultiTenantEnabled returns whether this is a mulit-tenant enabled configuratio
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func MultiTenantEnabled() bool {
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return sharedConf.MultiTenantEnabled
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}
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// GRPCClientOptions returns the global grpc client options
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func GRPCClientOptions() ClientOptions {
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return sharedConf.GRPCClientOptions
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}
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// this is used by the tests
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func resetOnce() {
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sharedConf = &conf{}
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sharedConfOnce = sync.Once{}
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}
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