mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-12 08:23:48 +02:00
497 lines
12 KiB
Go
497 lines
12 KiB
Go
// Copyright 2018 Drone.IO Inc.
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// Copyright 2021 Informatyka Boguslawski sp. z o.o. sp.k., http://www.ib.pl/
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// This file has been modified by Informatyka Boguslawski sp. z o.o. sp.k.
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package gitea
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import (
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"context"
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"crypto/tls"
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"fmt"
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"net"
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"net/http"
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"net/url"
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"path"
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"path/filepath"
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"code.gitea.io/sdk/gitea"
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"github.com/woodpecker-ci/woodpecker/server"
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"github.com/woodpecker-ci/woodpecker/server/model"
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"github.com/woodpecker-ci/woodpecker/server/remote"
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"golang.org/x/oauth2"
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)
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const (
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authorizeTokenURL = "%s/login/oauth/authorize"
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accessTokenURL = "%s/login/oauth/access_token"
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perPage = 50
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)
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type Gitea struct {
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URL string
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Context string
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Machine string
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ClientID string
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ClientSecret string
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Username string
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Password string
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PrivateMode bool
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SkipVerify bool
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}
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// Opts defines configuration options.
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type Opts struct {
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URL string // Gitea server url.
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Context string // Context to display in status check
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Client string // OAuth2 Client ID
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Secret string // OAuth2 Client Secret
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Username string // Optional machine account username.
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Password string // Optional machine account password.
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PrivateMode bool // Gitea is running in private mode.
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SkipVerify bool // Skip ssl verification.
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}
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// New returns a Remote implementation that integrates with Gitea,
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// an open source Git service written in Go. See https://gitea.io/
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func New(opts Opts) (remote.Remote, error) {
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u, err := url.Parse(opts.URL)
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if err != nil {
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return nil, err
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}
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host, _, err := net.SplitHostPort(u.Host)
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if err == nil {
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u.Host = host
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}
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return &Gitea{
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URL: opts.URL,
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Context: opts.Context,
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Machine: u.Host,
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ClientID: opts.Client,
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ClientSecret: opts.Secret,
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Username: opts.Username,
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Password: opts.Password,
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PrivateMode: opts.PrivateMode,
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SkipVerify: opts.SkipVerify,
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}, nil
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}
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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.
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func (c *Gitea) Login(w http.ResponseWriter, req *http.Request) (*model.User, error) {
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config := &oauth2.Config{
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ClientID: c.ClientID,
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ClientSecret: c.ClientSecret,
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Endpoint: oauth2.Endpoint{
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AuthURL: fmt.Sprintf(authorizeTokenURL, c.URL),
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TokenURL: fmt.Sprintf(accessTokenURL, c.URL),
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},
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RedirectURL: fmt.Sprintf("%s/authorize", server.Config.Server.Host),
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}
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// get the OAuth errors
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if err := req.FormValue("error"); err != "" {
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return nil, &remote.AuthError{
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Err: err,
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Description: req.FormValue("error_description"),
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URI: req.FormValue("error_uri"),
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}
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}
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// get the OAuth code
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code := req.FormValue("code")
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if len(code) == 0 {
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http.Redirect(w, req, config.AuthCodeURL("drone"), http.StatusSeeOther)
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return nil, nil
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}
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token, err := config.Exchange(oauth2.NoContext, code)
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if err != nil {
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return nil, err
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}
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client, err := c.newClientToken(token.AccessToken)
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if err != nil {
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return nil, err
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}
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account, _, err := client.GetMyUserInfo()
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if err != nil {
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return nil, err
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}
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return &model.User{
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Token: token.AccessToken,
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Secret: token.RefreshToken,
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Expiry: token.Expiry.UTC().Unix(),
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Login: account.UserName,
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Email: account.Email,
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Avatar: expandAvatar(c.URL, account.AvatarURL),
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}, nil
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}
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// Auth uses the Gitea oauth2 access token and refresh token to authenticate
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// a session and return the Gitea account login.
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func (c *Gitea) Auth(token, _ string) (string, error) {
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client, err := c.newClientToken(token)
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if err != nil {
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return "", err
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}
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user, _, err := client.GetMyUserInfo()
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if err != nil {
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return "", err
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}
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return user.UserName, nil
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}
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// Refresh refreshes the Gitea oauth2 access token. If the token is
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// refreshed the user is updated and a true value is returned.
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func (c *Gitea) Refresh(user *model.User) (bool, error) {
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config := &oauth2.Config{
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ClientID: c.ClientID,
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ClientSecret: c.ClientSecret,
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Endpoint: oauth2.Endpoint{
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AuthURL: fmt.Sprintf(authorizeTokenURL, c.URL),
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TokenURL: fmt.Sprintf(accessTokenURL, c.URL),
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},
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}
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source := config.TokenSource(context.TODO(), &oauth2.Token{RefreshToken: user.Secret})
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token, err := source.Token()
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if err != nil || len(token.AccessToken) == 0 {
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return false, err
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}
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user.Token = token.AccessToken
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user.Secret = token.RefreshToken
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user.Expiry = token.Expiry.UTC().Unix()
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return true, nil
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}
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// Teams is supported by the Gitea driver.
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func (c *Gitea) Teams(u *model.User) ([]*model.Team, error) {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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teams := make([]*model.Team, 0, perPage)
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page := 1
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for {
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orgs, _, err := client.ListMyOrgs(
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gitea.ListOrgsOptions{
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ListOptions: gitea.ListOptions{
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Page: page,
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PageSize: perPage,
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},
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},
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)
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if err != nil {
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return nil, err
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}
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for _, org := range orgs {
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teams = append(teams, toTeam(org, c.URL))
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}
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if len(orgs) < perPage {
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break
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}
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page++
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}
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return teams, nil
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}
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// TeamPerm is not supported by the Gitea driver.
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func (c *Gitea) TeamPerm(u *model.User, org string) (*model.Perm, error) {
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return nil, nil
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}
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// Repo returns the named Gitea repository.
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func (c *Gitea) Repo(u *model.User, owner, name string) (*model.Repo, error) {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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repo, _, err := client.GetRepo(owner, name)
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if err != nil {
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return nil, err
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}
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if c.PrivateMode {
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repo.Private = true
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}
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return toRepo(repo, c.PrivateMode), nil
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}
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// Repos returns a list of all repositories for the Gitea account, including
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// organization repositories.
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func (c *Gitea) Repos(u *model.User) ([]*model.Repo, error) {
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repos := make([]*model.Repo, 0, perPage)
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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// Gitea SDK forces us to read repo list paginated.
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var page = 1
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for {
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all, _, err := client.ListMyRepos(
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gitea.ListReposOptions{
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ListOptions: gitea.ListOptions{
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Page: page,
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PageSize: perPage,
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},
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},
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)
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if err != nil {
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return nil, err
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}
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for _, repo := range all {
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repos = append(repos, toRepo(repo, c.PrivateMode))
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}
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if len(all) < perPage {
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break
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}
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// Last page was not empty so more repos may be available - continue loop.
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page++
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}
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return repos, nil
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}
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// Perm returns the user permissions for the named Gitea repository.
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func (c *Gitea) Perm(u *model.User, owner, name string) (*model.Perm, error) {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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repo, _, err := client.GetRepo(owner, name)
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if err != nil {
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return nil, err
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}
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return toPerm(repo.Permissions), nil
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}
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// File fetches the file from the Gitea repository and returns its contents.
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func (c *Gitea) File(u *model.User, r *model.Repo, b *model.Build, f string) ([]byte, error) {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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cfg, _, err := client.GetFile(r.Owner, r.Name, b.Commit, f)
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return cfg, err
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}
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func (c *Gitea) Dir(u *model.User, r *model.Repo, b *model.Build, f string) ([]*remote.FileMeta, error) {
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var configs []*remote.FileMeta
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return nil, err
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}
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// List files in repository. Path from root
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tree, _, err := client.GetTrees(r.Owner, r.Name, b.Commit, true)
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if err != nil {
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return nil, err
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}
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f = path.Clean(f) // We clean path and remove trailing slash
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f += "/" + "*" // construct pattern for match i.e. file in subdir
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for _, e := range tree.Entries {
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// Filter path matching pattern and type file (blob)
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if m, _ := filepath.Match(f, e.Path); m && e.Type == "blob" {
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data, err := c.File(u, r, b, e.Path)
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if err != nil {
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return nil, fmt.Errorf("multi-pipeline cannot get %s: %s", e.Path, err)
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}
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configs = append(configs, &remote.FileMeta{
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Name: e.Path,
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Data: data,
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})
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}
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}
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return configs, nil
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}
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// Status is supported by the Gitea driver.
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func (c *Gitea) Status(u *model.User, r *model.Repo, b *model.Build, link string, proc *model.Proc) error {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return err
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}
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status := getStatus(b.Status)
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desc := getDesc(b.Status)
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_, _, err = client.CreateStatus(
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r.Owner,
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r.Name,
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b.Commit,
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gitea.CreateStatusOption{
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State: status,
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TargetURL: link,
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Description: desc,
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Context: c.Context,
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},
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)
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return err
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}
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// Netrc returns a netrc file capable of authenticating Gitea requests and
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// cloning Gitea repositories. The netrc will use the global machine account
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// when configured.
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func (c *Gitea) Netrc(u *model.User, r *model.Repo) (*model.Netrc, error) {
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if c.Password != "" {
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return &model.Netrc{
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Login: c.Username,
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Password: c.Password,
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Machine: c.Machine,
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}, nil
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}
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return &model.Netrc{
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Login: u.Login,
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Password: u.Token,
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Machine: c.Machine,
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}, nil
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}
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// Activate activates the repository by registering post-commit hooks with
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// the Gitea repository.
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func (c *Gitea) Activate(u *model.User, r *model.Repo, link string) error {
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config := map[string]string{
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"url": link,
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"secret": r.Hash,
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"content_type": "json",
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}
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hook := gitea.CreateHookOption{
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Type: gitea.HookTypeGitea,
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Config: config,
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Events: []string{"push", "create", "pull_request"},
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Active: true,
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}
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return err
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}
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_, _, err = client.CreateRepoHook(r.Owner, r.Name, hook)
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return err
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}
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// Deactivate deactives the repository be removing repository push hooks from
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// the Gitea repository.
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func (c *Gitea) Deactivate(u *model.User, r *model.Repo, link string) error {
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client, err := c.newClientToken(u.Token)
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if err != nil {
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return err
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}
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hooks, _, err := client.ListRepoHooks(r.Owner, r.Name, gitea.ListHooksOptions{})
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if err != nil {
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return err
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}
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hook := matchingHooks(hooks, link)
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if hook != nil {
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_, err := client.DeleteRepoHook(r.Owner, r.Name, hook.ID)
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return err
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}
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return nil
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}
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// Hook parses the incoming Gitea hook and returns the Repository and Build
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// details. If the hook is unsupported nil values are returned.
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func (c *Gitea) Hook(r *http.Request) (*model.Repo, *model.Build, error) {
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return parseHook(r)
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}
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// helper function to return the Gitea client with Token
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func (c *Gitea) newClientToken(token string) (*gitea.Client, error) {
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httpClient := &http.Client{}
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if c.SkipVerify {
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httpClient.Transport = &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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}
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return gitea.NewClient(c.URL, gitea.SetToken(token), gitea.SetHTTPClient(httpClient))
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}
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const (
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DescPending = "the build is pending"
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DescRunning = "the build is running"
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DescSuccess = "the build was successful"
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DescFailure = "the build failed"
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DescCanceled = "the build canceled"
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DescBlocked = "the build is pending approval"
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DescDeclined = "the build was rejected"
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)
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// getStatus is a helper function that converts a Drone
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// status to a Gitea status.
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func getStatus(status string) gitea.StatusState {
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switch status {
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case model.StatusPending, model.StatusBlocked:
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return gitea.StatusPending
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case model.StatusRunning:
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return gitea.StatusPending
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case model.StatusSuccess:
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return gitea.StatusSuccess
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case model.StatusFailure, model.StatusError:
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return gitea.StatusFailure
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case model.StatusKilled:
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return gitea.StatusFailure
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case model.StatusDeclined:
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return gitea.StatusWarning
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default:
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return gitea.StatusFailure
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}
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}
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// getDesc is a helper function that generates a description
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// message for the build based on the status.
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func getDesc(status string) string {
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switch status {
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case model.StatusPending:
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return DescPending
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case model.StatusRunning:
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return DescRunning
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case model.StatusSuccess:
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return DescSuccess
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case model.StatusFailure, model.StatusError:
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return DescFailure
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case model.StatusKilled:
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return DescCanceled
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case model.StatusBlocked:
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return DescBlocked
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case model.StatusDeclined:
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return DescDeclined
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default:
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return DescFailure
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}
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}
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