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tea/modules/git/auth.go
Norwin 9a3b54b9a3 use token auth for https remotes (#275)
use token for https auth instead of user name

also handle http urls

Co-authored-by: Norwin Roosen <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/275
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: 6543 <6543@obermui.de>
Co-Authored-By: Norwin <noerw@noreply.gitea.io>
Co-Committed-By: Norwin <noerw@noreply.gitea.io>
2020-12-07 22:14:56 +08:00

81 lines
2.1 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"fmt"
"io/ioutil"
"net/url"
"code.gitea.io/tea/modules/utils"
git_transport "github.com/go-git/go-git/v5/plumbing/transport"
gogit_http "github.com/go-git/go-git/v5/plumbing/transport/http"
gogit_ssh "github.com/go-git/go-git/v5/plumbing/transport/ssh"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/terminal"
)
// GetAuthForURL returns the appropriate AuthMethod to be used in Push() / Pull()
// operations depending on the protocol, and prompts the user for credentials if
// necessary.
func GetAuthForURL(remoteURL *url.URL, authToken, keyFile string) (auth git_transport.AuthMethod, err error) {
switch remoteURL.Scheme {
case "http", "https":
// gitea supports push/pull via app token as username.
auth = &gogit_http.BasicAuth{Password: "", Username: authToken}
case "ssh":
// try to select right key via ssh-agent. if it fails, try to read a key manually
user := remoteURL.User.Username()
auth, err = gogit_ssh.DefaultAuthBuilder(user)
if err != nil {
signer, err := readSSHPrivKey(keyFile)
if err != nil {
return nil, err
}
auth = &gogit_ssh.PublicKeys{User: user, Signer: signer}
}
default:
return nil, fmt.Errorf("don't know how to handle url scheme %v", remoteURL.Scheme)
}
return auth, nil
}
func readSSHPrivKey(keyFile string) (sig ssh.Signer, err error) {
if keyFile != "" {
keyFile, err = utils.AbsPathWithExpansion(keyFile)
} else {
keyFile, err = utils.AbsPathWithExpansion("~/.ssh/id_rsa")
}
if err != nil {
return nil, err
}
sshKey, err := ioutil.ReadFile(keyFile)
if err != nil {
return nil, err
}
sig, err = ssh.ParsePrivateKey(sshKey)
if err != nil {
pass, err := promptPass(keyFile)
if err != nil {
return nil, err
}
sig, err = ssh.ParsePrivateKeyWithPassphrase(sshKey, []byte(pass))
if err != nil {
return nil, err
}
}
return sig, err
}
func promptPass(domain string) (string, error) {
fmt.Printf("%s password: ", domain)
pass, err := terminal.ReadPassword(0)
return string(pass), err
}