woodpecker/remote/gitea/gitea.go

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// Copyright 2018 Drone.IO Inc.
//
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// 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
//
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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
// 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.
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package gitea
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"net/url"
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"code.gitea.io/sdk/gitea"
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"github.com/drone/drone/model"
"github.com/drone/drone/remote"
)
// Opts defines configuration options.
type Opts struct {
URL string // Gitea server url.
Context string // Context to display in status check
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Username string // Optional machine account username.
Password string // Optional machine account password.
PrivateMode bool // Gitea is running in private mode.
SkipVerify bool // Skip ssl verification.
}
type client struct {
URL string
Context string
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Machine string
Username string
Password string
PrivateMode bool
SkipVerify bool
}
const (
DescPending = "the build is pending"
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DescRunning = "the build is running"
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DescSuccess = "the build was successful"
DescFailure = "the build failed"
DescCanceled = "the build canceled"
DescBlocked = "the build is pending approval"
DescDeclined = "the build was rejected"
)
// getStatus is a helper function that converts a Drone
// status to a Gitea status.
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func getStatus(status string) gitea.StatusState {
switch status {
case model.StatusPending, model.StatusBlocked:
return gitea.StatusPending
case model.StatusRunning:
return gitea.StatusPending
case model.StatusSuccess:
return gitea.StatusSuccess
case model.StatusFailure, model.StatusError:
return gitea.StatusFailure
case model.StatusKilled:
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return gitea.StatusFailure
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case model.StatusDeclined:
return gitea.StatusWarning
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default:
return gitea.StatusFailure
}
}
// getDesc is a helper function that generates a description
// message for the build based on the status.
func getDesc(status string) string {
switch status {
case model.StatusPending:
return DescPending
case model.StatusRunning:
return DescRunning
case model.StatusSuccess:
return DescSuccess
case model.StatusFailure, model.StatusError:
return DescFailure
case model.StatusKilled:
return DescCanceled
case model.StatusBlocked:
return DescBlocked
case model.StatusDeclined:
return DescDeclined
default:
return DescFailure
}
}
// New returns a Remote implementation that integrates with Gitea, an open
// source Git service written in Go. See https://gitea.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,
Context: opts.Context,
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Machine: url.Host,
Username: opts.Username,
Password: opts.Password,
PrivateMode: opts.PrivateMode,
SkipVerify: opts.SkipVerify,
}, nil
}
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// Login authenticates an account with Gitea using basic authentication. The
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// Gitea 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,
gitea.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 Gitea driver.
func (c *client) Auth(token, secret string) (string, error) {
return "", fmt.Errorf("Not Implemented")
}
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// Teams is supported by the Gitea driver.
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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
}
// TeamPerm is not supported by the Gitea driver.
func (c *client) TeamPerm(u *model.User, org string) (*model.Perm, error) {
return nil, nil
}
// Repo returns the named Gitea 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
}
if c.PrivateMode {
repo.Private = true
}
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return toRepo(repo, c.PrivateMode), nil
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}
// Repos returns a list of all repositories for the Gitea account, including
// organization repositories.
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func (c *client) Repos(u *model.User) ([]*model.Repo, error) {
repos := []*model.Repo{}
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client := c.newClientToken(u.Token)
all, err := client.ListMyRepos()
if err != nil {
return repos, err
}
for _, repo := range all {
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repos = append(repos, toRepo(repo, c.PrivateMode))
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}
return repos, err
}
// Perm returns the user permissions for the named Gitea 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 Gitea 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)
cfg, err := client.GetFile(r.Owner, r.Name, b.Commit, f)
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return cfg, err
}
// FileRef fetches the file from the Gitea 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)
}
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// Status is supported by the Gitea driver.
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func (c *client) Status(u *model.User, r *model.Repo, b *model.Build, link string) error {
client := c.newClientToken(u.Token)
status := getStatus(b.Status)
desc := getDesc(b.Status)
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_, err := client.CreateStatus(
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r.Owner,
r.Name,
b.Commit,
gitea.CreateStatusOption{
State: status,
TargetURL: link,
Description: desc,
Context: c.Context,
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},
)
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return err
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}
// Netrc returns a netrc file capable of authenticating Gitea requests and
// cloning Gitea 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.Login,
Password: u.Token,
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Machine: c.Machine,
}, nil
}
// Activate activates the repository by registering post-commit hooks with
// the Gitea 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 := gitea.CreateHookOption{
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Type: "gitea",
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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 deactives the repository be removing repository push hooks from
// the Gitea repository.
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func (c *client) Deactivate(u *model.User, r *model.Repo, link string) error {
client := c.newClientToken(u.Token)
hooks, err := client.ListRepoHooks(r.Owner, r.Name)
if err != nil {
return err
}
hook := matchingHooks(hooks, link)
if hook != nil {
return client.DeleteRepoHook(r.Owner, r.Name, hook.ID)
}
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return nil
}
// Hook parses the incoming Gitea 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 Gitea client
func (c *client) newClient() *gitea.Client {
return c.newClientToken("")
}
// helper function to return the Gitea client
func (c *client) newClientToken(token string) *gitea.Client {
client := gitea.NewClient(c.URL, token)
if c.SkipVerify {
httpClient := &http.Client{}
httpClient.Transport = &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client.SetHTTPClient(httpClient)
}
return client
}
// helper function to return matching hooks.
func matchingHooks(hooks []*gitea.Hook, rawurl string) *gitea.Hook {
link, err := url.Parse(rawurl)
if err != nil {
return nil
}
for _, hook := range hooks {
if val, ok := hook.Config["url"]; ok {
hookurl, err := url.Parse(val)
if err == nil && hookurl.Host == link.Host {
return hook
}
}
}
return nil
}