mirror of
https://github.com/gravitational/teleport.git
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Marco André Dinis
a60d1c0f43
In the context of Teleport Discover we are trying to ease the usage of Teleport for the user's first interaction. When adding a new database resource the user must, among other things, generate the mTLS files Examples: https://goteleport.com/docs/database-access/guides/postgres-self-hosted/#step-25-create-a-certificatekey-pair https://goteleport.com/docs/database-access/guides/mysql-self-hosted/#step-24-create-a-certificatekey-pair This PR aims to reduce this friction: the user should be able to setup the resource without prior setup of local tools (`tsh login`) We're doing this by providing an endpoint that will return those exact files Demo ```shell marco@lenix ~/p/downloadmtls> curl --silent --insecure 'https://127.0.0.1.nip.io:3080/v1/webapi/sites/lenix/sign' --dat a '{"hostname":"discover.example.com", "ttl":"9999h", "format": "db"}' --header 'Authorization: Bearer 308bf3dd3019ddc4 2cff44a48e028480' --header 'Content-Type: application/json' -OJ marco@lenix ~/p/downloadmtls> tar -xvf teleport_mTLS_discover.example.com.tar.gz server.key server.crt server.cas marco@lenix ~/p/downloadmtls> head -1 server.* ==> server.cas <== -----BEGIN CERTIFICATE----- ==> server.crt <== -----BEGIN CERTIFICATE----- ==> server.key <== -----BEGIN RSA PRIVATE KEY----- ``` Fixes https://github.com/gravitational/teleport/issues/14049
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
/*
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Copyright 2022 Gravitational, Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package utils
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"io/fs"
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"github.com/gravitational/trace"
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)
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// ReadStatFS combines two interfaces: fs.ReadFileFS and fs.StatFS
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// We need both when creating the archive to be able to:
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// - read file contents - `ReadFile` provided by fs.ReadFileFS
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// - set the correct file permissions - `Stat() ... Mode()` provided by fs.StatFS
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type ReadStatFS interface {
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fs.ReadFileFS
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fs.StatFS
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}
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// CompressTarGzArchive creates a Tar Gzip archive in memory, reading the files using the provided file reader
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func CompressTarGzArchive(files []string, fileReader ReadStatFS) (*bytes.Buffer, error) {
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archiveBytes := &bytes.Buffer{}
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gzipWriter := gzip.NewWriter(archiveBytes)
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defer gzipWriter.Close()
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tarWriter := tar.NewWriter(gzipWriter)
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defer tarWriter.Close()
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for _, filename := range files {
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bs, err := fileReader.ReadFile(filename)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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fileStat, err := fileReader.Stat(filename)
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if err != nil {
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return nil, trace.Wrap(err)
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}
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if err := tarWriter.WriteHeader(&tar.Header{
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Name: filename,
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Size: int64(len(bs)),
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Mode: int64(fileStat.Mode()),
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}); err != nil {
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return nil, trace.Wrap(err)
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}
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if _, err := tarWriter.Write(bs); err != nil {
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return nil, trace.Wrap(err)
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}
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}
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return archiveBytes, nil
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}
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