woodpecker/remote/bitbucket/bitbucket.go
2017-07-14 15:58:38 -04:00

298 lines
8 KiB
Go

package bitbucket
import (
"fmt"
"net/http"
"net/url"
"github.com/drone/drone/model"
"github.com/drone/drone/remote"
"github.com/drone/drone/remote/bitbucket/internal"
"github.com/drone/drone/shared/httputil"
"golang.org/x/oauth2"
)
// Bitbucket cloud endpoints.
const (
DefaultAPI = "https://api.bitbucket.org"
DefaultURL = "https://bitbucket.org"
)
type config struct {
API string
URL string
Client string
Secret string
}
// New returns a new remote Configuration for integrating with the Bitbucket
// repository hosting service at https://bitbucket.org
func New(client, secret string) remote.Remote {
return &config{
API: DefaultAPI,
URL: DefaultURL,
Client: client,
Secret: secret,
}
}
// Login authenticates an account with Bitbucket using the oauth2 protocol. The
// Bitbucket account details are returned when the user is successfully authenticated.
func (c *config) Login(w http.ResponseWriter, req *http.Request) (*model.User, error) {
redirect := httputil.GetURL(req)
config := c.newConfig(redirect)
// get the OAuth errors
if err := req.FormValue("error"); err != "" {
return nil, &remote.AuthError{
Err: err,
Description: req.FormValue("error_description"),
URI: req.FormValue("error_uri"),
}
}
// get the OAuth code
code := req.FormValue("code")
if len(code) == 0 {
http.Redirect(w, req, config.AuthCodeURL("drone"), http.StatusSeeOther)
return nil, nil
}
token, err := config.Exchange(oauth2.NoContext, code)
if err != nil {
return nil, err
}
client := internal.NewClient(c.API, config.Client(oauth2.NoContext, token))
curr, err := client.FindCurrent()
if err != nil {
return nil, err
}
return convertUser(curr, token), nil
}
// Auth uses the Bitbucket oauth2 access token and refresh token to authenticate
// a session and return the Bitbucket account login.
func (c *config) Auth(token, secret string) (string, error) {
client := c.newClientToken(token, secret)
user, err := client.FindCurrent()
if err != nil {
return "", err
}
return user.Login, nil
}
// Refresh refreshes the Bitbucket oauth2 access token. If the token is
// refreshed the user is updated and a true value is returned.
func (c *config) Refresh(user *model.User) (bool, error) {
config := c.newConfig("")
source := config.TokenSource(
oauth2.NoContext, &oauth2.Token{RefreshToken: user.Secret})
token, err := source.Token()
if err != nil || len(token.AccessToken) == 0 {
return false, err
}
user.Token = token.AccessToken
user.Secret = token.RefreshToken
user.Expiry = token.Expiry.UTC().Unix()
return true, nil
}
// Teams returns a list of all team membership for the Bitbucket account.
func (c *config) Teams(u *model.User) ([]*model.Team, error) {
opts := &internal.ListTeamOpts{
PageLen: 100,
Role: "member",
}
resp, err := c.newClient(u).ListTeams(opts)
if err != nil {
return nil, err
}
return convertTeamList(resp.Values), nil
}
// Repo returns the named Bitbucket repository.
func (c *config) Repo(u *model.User, owner, name string) (*model.Repo, error) {
repo, err := c.newClient(u).FindRepo(owner, name)
if err != nil {
return nil, err
}
return convertRepo(repo), nil
}
// Repos returns a list of all repositories for Bitbucket account, including
// organization repositories.
func (c *config) Repos(u *model.User) ([]*model.Repo, error) {
client := c.newClient(u)
var all []*model.Repo
accounts := []string{u.Login}
resp, err := client.ListTeams(&internal.ListTeamOpts{
PageLen: 100,
Role: "member",
})
if err != nil {
return all, err
}
for _, team := range resp.Values {
accounts = append(accounts, team.Login)
}
for _, account := range accounts {
repos, err := client.ListReposAll(account)
if err != nil {
return all, err
}
for _, repo := range repos {
all = append(all, convertRepo(repo))
}
}
return all, nil
}
// Perm returns the user permissions for the named repository. Because Bitbucket
// does not have an endpoint to access user permissions, we attempt to fetch
// the repository hook list, which is restricted to administrators to calculate
// administrative access to a repository.
func (c *config) Perm(u *model.User, owner, name string) (*model.Perm, error) {
client := c.newClient(u)
perms := new(model.Perm)
_, err := client.FindRepo(owner, name)
if err != nil {
return perms, err
}
_, err = client.ListHooks(owner, name, &internal.ListOpts{})
if err == nil {
perms.Push = true
perms.Admin = true
}
perms.Pull = true
return perms, nil
}
// File fetches the file from the Bitbucket repository and returns its contents.
func (c *config) File(u *model.User, r *model.Repo, b *model.Build, f string) ([]byte, error) {
return c.FileRef(u, r, b.Commit, f)
}
// FileRef fetches the file from the Bitbucket repository and returns its contents.
func (c *config) FileRef(u *model.User, r *model.Repo, ref, f string) ([]byte, error) {
config, err := c.newClient(u).FindSource(r.Owner, r.Name, ref, f)
if err != nil {
return nil, err
}
return []byte(config.Data), err
}
// Status creates a build status for the Bitbucket commit.
func (c *config) Status(u *model.User, r *model.Repo, b *model.Build, link string) error {
status := internal.BuildStatus{
State: convertStatus(b.Status),
Desc: convertDesc(b.Status),
Key: "Drone",
Url: link,
}
return c.newClient(u).CreateStatus(r.Owner, r.Name, b.Commit, &status)
}
// Activate activates the repository by registering repository push hooks with
// the Bitbucket repository. Prior to registering hook, previously created hooks
// are deleted.
func (c *config) Activate(u *model.User, r *model.Repo, link string) error {
rawurl, err := url.Parse(link)
if err != nil {
return err
}
c.Deactivate(u, r, link)
return c.newClient(u).CreateHook(r.Owner, r.Name, &internal.Hook{
Active: true,
Desc: rawurl.Host,
Events: []string{"repo:push"},
Url: link,
})
}
// Deactivate deactives the repository be removing repository push hooks from
// the Bitbucket repository.
func (c *config) Deactivate(u *model.User, r *model.Repo, link string) error {
client := c.newClient(u)
hooks, err := client.ListHooks(r.Owner, r.Name, &internal.ListOpts{})
if err != nil {
return err
}
hook := matchingHooks(hooks.Values, link)
if hook != nil {
return client.DeleteHook(r.Owner, r.Name, hook.Uuid)
}
return nil
}
// Netrc returns a netrc file capable of authenticating Bitbucket requests and
// cloning Bitbucket repositories.
func (c *config) Netrc(u *model.User, r *model.Repo) (*model.Netrc, error) {
return &model.Netrc{
Machine: "bitbucket.org",
Login: "x-token-auth",
Password: u.Token,
}, nil
}
// Hook parses the incoming Bitbucket hook and returns the Repository and
// Build details. If the hook is unsupported nil values are returned.
func (c *config) Hook(req *http.Request) (*model.Repo, *model.Build, error) {
return parseHook(req)
}
// helper function to return the bitbucket oauth2 client
func (c *config) newClient(u *model.User) *internal.Client {
return c.newClientToken(u.Token, u.Secret)
}
// helper function to return the bitbucket oauth2 client
func (c *config) newClientToken(token, secret string) *internal.Client {
return internal.NewClientToken(
c.API,
c.Client,
c.Secret,
&oauth2.Token{
AccessToken: token,
RefreshToken: secret,
},
)
}
// helper function to return the bitbucket oauth2 config
func (c *config) newConfig(redirect string) *oauth2.Config {
return &oauth2.Config{
ClientID: c.Client,
ClientSecret: c.Secret,
Endpoint: oauth2.Endpoint{
AuthURL: fmt.Sprintf("%s/site/oauth2/authorize", c.URL),
TokenURL: fmt.Sprintf("%s/site/oauth2/access_token", c.URL),
},
RedirectURL: fmt.Sprintf("%s/authorize", redirect),
}
}
// helper function to return matching hooks.
func matchingHooks(hooks []*internal.Hook, rawurl string) *internal.Hook {
link, err := url.Parse(rawurl)
if err != nil {
return nil
}
for _, hook := range hooks {
hookurl, err := url.Parse(hook.Url)
if err == nil && hookurl.Host == link.Host {
return hook
}
}
return nil
}