forked from harness/gitness
/
gogs.go
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/
gogs.go
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// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gogs
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"net/url"
"strings"
"github.com/drone/drone/model"
"github.com/drone/drone/remote"
"github.com/gogits/go-gogs-client"
)
// Opts defines configuration options.
type Opts struct {
URL string // Gogs server url.
Username string // Optional machine account username.
Password string // Optional machine account password.
PrivateMode bool // Gogs is running in private mode.
SkipVerify bool // Skip ssl verification.
}
type client struct {
URL string
Machine string
Username string
Password string
PrivateMode bool
SkipVerify bool
}
// New returns a Remote implementation that integrates with Gogs, an open
// source Git service written in Go. See https://gogs.io/
func New(opts Opts) (remote.Remote, error) {
url, err := url.Parse(opts.URL)
if err != nil {
return nil, err
}
host, _, err := net.SplitHostPort(url.Host)
if err == nil {
url.Host = host
}
return &client{
URL: opts.URL,
Machine: url.Host,
Username: opts.Username,
Password: opts.Password,
PrivateMode: opts.PrivateMode,
SkipVerify: opts.SkipVerify,
}, nil
}
// Login authenticates an account with Gogs using basic authentication. The
// Gogs account details are returned when the user is successfully authenticated.
func (c *client) Login(res http.ResponseWriter, req *http.Request) (*model.User, error) {
var (
username = req.FormValue("username")
password = req.FormValue("password")
)
// if the username or password is empty we re-direct to the login screen.
if len(username) == 0 || len(password) == 0 {
http.Redirect(res, req, "/login/form", http.StatusSeeOther)
return nil, nil
}
client := c.newClient()
// try to fetch drone token if it exists
var accessToken string
tokens, err := client.ListAccessTokens(username, password)
if err == nil {
for _, token := range tokens {
if token.Name == "drone" {
accessToken = token.Sha1
break
}
}
}
// if drone token not found, create it
if accessToken == "" {
token, terr := client.CreateAccessToken(
username,
password,
gogs.CreateAccessTokenOption{Name: "drone"},
)
if terr != nil {
return nil, terr
}
accessToken = token.Sha1
}
client = c.newClientToken(accessToken)
account, err := client.GetUserInfo(username)
if err != nil {
return nil, err
}
return &model.User{
Token: accessToken,
Login: account.UserName,
Email: account.Email,
Avatar: expandAvatar(c.URL, account.AvatarUrl),
}, nil
}
// Auth is not supported by the Gogs driver.
func (c *client) Auth(token, secret string) (string, error) {
return "", fmt.Errorf("Not Implemented")
}
// Teams is not supported by the Gogs driver.
func (c *client) Teams(u *model.User) ([]*model.Team, error) {
client := c.newClientToken(u.Token)
orgs, err := client.ListMyOrgs()
if err != nil {
return nil, err
}
var teams []*model.Team
for _, org := range orgs {
teams = append(teams, toTeam(org, c.URL))
}
return teams, nil
}
// Repo returns the named Gogs repository.
func (c *client) Repo(u *model.User, owner, name string) (*model.Repo, error) {
client := c.newClientToken(u.Token)
repo, err := client.GetRepo(owner, name)
if err != nil {
return nil, err
}
return toRepo(repo, c.PrivateMode), nil
}
// Repos returns a list of all repositories for the Gogs account, including
// organization repositories.
func (c *client) Repos(u *model.User) ([]*model.Repo, error) {
repos := []*model.Repo{}
client := c.newClientToken(u.Token)
all, err := client.ListMyRepos()
if err != nil {
return repos, err
}
for _, repo := range all {
repos = append(repos, toRepo(repo, c.PrivateMode))
}
return repos, err
}
// Perm returns the user permissions for the named Gogs repository.
func (c *client) Perm(u *model.User, owner, name string) (*model.Perm, error) {
client := c.newClientToken(u.Token)
repo, err := client.GetRepo(owner, name)
if err != nil {
return nil, err
}
return toPerm(repo.Permissions), nil
}
// File fetches the file from the Gogs repository and returns its contents.
func (c *client) File(u *model.User, r *model.Repo, b *model.Build, f string) ([]byte, error) {
client := c.newClientToken(u.Token)
ref := b.Commit
// TODO gogs does not yet return a sha with the pull request
// so unfortunately we need to use the pull request branch.
if b.Event == model.EventPull {
ref = b.Branch
}
if ref == "" {
// Remove refs/tags or refs/heads, Gogs needs a short ref
ref = strings.TrimPrefix(
strings.TrimPrefix(
b.Ref,
"refs/heads/",
),
"refs/tags/",
)
}
cfg, err := client.GetFile(r.Owner, r.Name, ref, f)
return cfg, err
}
// FileRef fetches the file from the Gogs repository and returns its contents.
func (c *client) FileRef(u *model.User, r *model.Repo, ref, f string) ([]byte, error) {
return c.newClientToken(u.Token).GetFile(r.Owner, r.Name, ref, f)
}
// Status is not supported by the Gogs driver.
func (c *client) Status(u *model.User, r *model.Repo, b *model.Build, link string) error {
return nil
}
// Netrc returns a netrc file capable of authenticating Gogs requests and
// cloning Gogs repositories. The netrc will use the global machine account
// when configured.
func (c *client) Netrc(u *model.User, r *model.Repo) (*model.Netrc, error) {
if c.Password != "" {
return &model.Netrc{
Login: c.Username,
Password: c.Password,
Machine: c.Machine,
}, nil
}
return &model.Netrc{
Login: u.Token,
Password: "x-oauth-basic",
Machine: c.Machine,
}, nil
}
// Activate activates the repository by registering post-commit hooks with
// the Gogs repository.
func (c *client) Activate(u *model.User, r *model.Repo, link string) error {
config := map[string]string{
"url": link,
"secret": r.Hash,
"content_type": "json",
}
hook := gogs.CreateHookOption{
Type: "gogs",
Config: config,
Events: []string{"push", "create", "pull_request"},
Active: true,
}
client := c.newClientToken(u.Token)
_, err := client.CreateRepoHook(r.Owner, r.Name, hook)
return err
}
// Deactivate is not supported by the Gogs driver.
func (c *client) Deactivate(u *model.User, r *model.Repo, link string) error {
return nil
}
// Hook parses the incoming Gogs hook and returns the Repository and Build
// details. If the hook is unsupported nil values are returned.
func (c *client) Hook(r *http.Request) (*model.Repo, *model.Build, error) {
return parseHook(r)
}
// helper function to return the Gogs client
func (c *client) newClient() *gogs.Client {
return c.newClientToken("")
}
// helper function to return the Gogs client
func (c *client) newClientToken(token string) *gogs.Client {
client := gogs.NewClient(c.URL, token)
if c.SkipVerify {
httpClient := &http.Client{}
httpClient.Transport = &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client.SetHTTPClient(httpClient)
}
return client
}