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130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
// +build ignore
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// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"bytes"
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"context"
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"crypto/tls"
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"strings"
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minio "github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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)
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// JWTToken - parses the output from IDP access token.
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type JWTToken struct {
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AccessToken string `json:"access_token"`
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Expiry int `json:"expires_in"`
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}
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var (
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stsEndpoint string
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idpEndpoint string
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clientID string
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clientSecret string
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)
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func init() {
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flag.StringVar(&stsEndpoint, "sts-ep", "http://localhost:9000", "STS endpoint")
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flag.StringVar(&idpEndpoint, "idp-ep", "http://localhost:8080/auth/realms/minio/protocol/openid-connect/token", "IDP token endpoint")
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flag.StringVar(&clientID, "cid", "", "Client ID")
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flag.StringVar(&clientSecret, "csec", "", "Client secret")
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}
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func getTokenExpiry() (*credentials.ClientGrantsToken, error) {
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data := url.Values{}
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data.Set("grant_type", "client_credentials")
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req, err := http.NewRequest(http.MethodPost, idpEndpoint, strings.NewReader(data.Encode()))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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req.SetBasicAuth(clientID, clientSecret)
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t := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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},
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}
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hclient := http.Client{
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Transport: t,
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}
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resp, err := hclient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("%s", resp.Status)
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}
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var idpToken JWTToken
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if err = json.NewDecoder(resp.Body).Decode(&idpToken); err != nil {
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return nil, err
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}
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return &credentials.ClientGrantsToken{Token: idpToken.AccessToken, Expiry: idpToken.Expiry}, nil
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}
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func main() {
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flag.Parse()
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if clientID == "" || clientSecret == "" {
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flag.PrintDefaults()
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return
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}
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sts, err := credentials.NewSTSClientGrants(stsEndpoint, getTokenExpiry)
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if err != nil {
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log.Fatal(err)
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}
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// Uncomment this to use MinIO API operations by initializing minio
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// client with obtained credentials.
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opts := &minio.Options{
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Creds: sts,
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BucketLookup: minio.BucketLookupAuto,
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}
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u, err := url.Parse(stsEndpoint)
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if err != nil {
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log.Fatal(err)
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}
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clnt, err := minio.New(u.Host, opts)
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if err != nil {
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log.Fatal(err)
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}
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d := bytes.NewReader([]byte("Hello, World"))
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n, err := clnt.PutObject(context.Background(), "my-bucketname", "my-objectname", d, d.Size(), minio.PutObjectOptions{})
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if err != nil {
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log.Fatalln(err)
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}
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log.Println("Uploaded", "my-objectname", " of size: ", n, "Successfully.")
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}
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