mirror of
https://github.com/octoleo/restic.git
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2b39f9f4b2
Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
96 lines
3.1 KiB
Go
96 lines
3.1 KiB
Go
// Copyright 2014 Google Inc. All Rights Reserved.
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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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// Package testutil contains helper functions for writing tests.
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package testutil
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"golang.org/x/net/context"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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"golang.org/x/oauth2/jwt"
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)
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const (
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envProjID = "GCLOUD_TESTS_GOLANG_PROJECT_ID"
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envPrivateKey = "GCLOUD_TESTS_GOLANG_KEY"
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)
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// ProjID returns the project ID to use in integration tests, or the empty
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// string if none is configured.
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func ProjID() string {
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return os.Getenv(envProjID)
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}
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// TokenSource returns the OAuth2 token source to use in integration tests,
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// or nil if none is configured. It uses the standard environment variable
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// for tests in this repo.
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func TokenSource(ctx context.Context, scopes ...string) oauth2.TokenSource {
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return TokenSourceEnv(ctx, envPrivateKey, scopes...)
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}
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// TokenSourceEnv returns the OAuth2 token source to use in integration tests. or nil
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// if none is configured. It tries to get credentials from the filename in the
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// environment variable envVar. If the environment variable is unset, TokenSourceEnv
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// will try to find 'Application Default Credentials'. Else, TokenSourceEnv will
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// return nil. TokenSourceEnv will log.Fatal if the token source is specified but
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// missing or invalid.
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func TokenSourceEnv(ctx context.Context, envVar string, scopes ...string) oauth2.TokenSource {
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key := os.Getenv(envVar)
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if key == "" { // Try for application default credentials.
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ts, err := google.DefaultTokenSource(ctx, scopes...)
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if err != nil {
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log.Println("No 'Application Default Credentials' found.")
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return nil
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}
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return ts
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}
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conf, err := jwtConfigFromFile(key, scopes)
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if err != nil {
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log.Fatal(err)
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}
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return conf.TokenSource(ctx)
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}
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// JWTConfig reads the JSON private key file whose name is in the default
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// environment variable, and returns the jwt.Config it contains. It ignores
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// scopes.
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// If the environment variable is empty, it returns (nil, nil).
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func JWTConfig() (*jwt.Config, error) {
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return jwtConfigFromFile(os.Getenv(envPrivateKey), nil)
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}
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// jwtConfigFromFile reads the given JSON private key file, and returns the
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// jwt.Config it contains.
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// If the filename is empty, it returns (nil, nil).
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func jwtConfigFromFile(filename string, scopes []string) (*jwt.Config, error) {
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if filename == "" {
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return nil, nil
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}
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jsonKey, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, fmt.Errorf("Cannot read the JSON key file, err: %v", err)
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}
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conf, err := google.JWTConfigFromJSON(jsonKey, scopes...)
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if err != nil {
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return nil, fmt.Errorf("google.JWTConfigFromJSON: %v", err)
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}
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return conf, nil
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}
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