// Authorize handles GitHub API Authorization.
func (r *GitHub) Authorize(res http.ResponseWriter, req *http.Request) (*model.Login, error) {
var config = &oauth.Config{
ClientId: r.Client,
ClientSecret: r.Secret,
Scope: DefaultScope,
AuthURL: fmt.Sprintf("%s/login/oauth/authorize", r.URL),
TokenURL: fmt.Sprintf("%s/login/oauth/access_token", r.URL),
RedirectURL: fmt.Sprintf("%s/api/auth/%s", httputil.GetURL(req), r.GetKind()),
}
// get the OAuth code
var code = req.FormValue("code")
var state = req.FormValue("state")
if len(code) == 0 {
var random = GetRandom()
httputil.SetCookie(res, req, "github_state", random)
http.Redirect(res, req, config.AuthCodeURL(random), http.StatusSeeOther)
return nil, nil
}
cookieState := httputil.GetCookie(req, "github_state")
httputil.DelCookie(res, req, "github_state")
if cookieState != state {
return nil, fmt.Errorf("Error matching state in OAuth2 redirect")
}
var trans = &oauth.Transport{Config: config}
var token, err = trans.Exchange(code)
if err != nil {
return nil, fmt.Errorf("Error exchanging token. %s", err)
}
var client = NewClient(r.API, token.AccessToken, r.SkipVerify)
var useremail, errr = GetUserEmail(client)
if errr != nil {
return nil, fmt.Errorf("Error retrieving user or verified email. %s", errr)
}
if len(r.Orgs) > 0 {
allowedOrg, err := UserBelongsToOrg(client, r.Orgs)
if err != nil {
return nil, fmt.Errorf("Could not check org membership. %s", err)
}
if !allowedOrg {
return nil, fmt.Errorf("User does not belong to correct org. Must belong to %v", r.Orgs)
}
}
var login = new(model.Login)
login.ID = int64(*useremail.ID)
login.Access = token.AccessToken
login.Login = *useremail.Login
login.Email = *useremail.Email
if useremail.Name != nil {
login.Name = *useremail.Name
}
return login, nil
}
// Authorize handles authentication with thrid party remote systems,
// such as github or bitbucket, and returns user data.
func (r *Gitlab) Authorize(res http.ResponseWriter, req *http.Request) (*model.Login, error) {
host := httputil.GetURL(req)
config := NewOauthConfig(r, host)
var code = req.FormValue("code")
var state = req.FormValue("state")
if len(code) == 0 {
var random = GetRandom()
httputil.SetCookie(res, req, "gitlab_state", random)
http.Redirect(res, req, config.AuthCodeURL(random), http.StatusSeeOther)
return nil, nil
}
cookieState := httputil.GetCookie(req, "gitlab_state")
httputil.DelCookie(res, req, "gitlab_state")
if cookieState != state {
return nil, fmt.Errorf("Error matching state in OAuth2 redirect")
}
var trans = &oauth.Transport{
Config: config,
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
TLSClientConfig: &tls.Config{InsecureSkipVerify: r.SkipVerify},
},
}
var token, err = trans.Exchange(code)
if err != nil {
return nil, fmt.Errorf("Error exchanging token. %s", err)
}
var client = NewClient(r.url, token.AccessToken, r.SkipVerify)
var user, errr = client.CurrentUser()
if errr != nil {
return nil, fmt.Errorf("Error retrieving current user. %s", errr)
}
var login = new(model.Login)
login.ID = int64(user.Id)
login.Access = token.AccessToken
login.Secret = token.RefreshToken
login.Login = user.Username
login.Email = user.Email
return login, nil
}
// Authorize handles Bitbucket API Authorization
func (r *Bitbucket) Authorize(res http.ResponseWriter, req *http.Request) (*model.Login, error) {
consumer := oauth1.Consumer{
RequestTokenURL: "https://bitbucket.org/api/1.0/oauth/request_token/",
AuthorizationURL: "https://bitbucket.org/!api/1.0/oauth/authenticate",
AccessTokenURL: "https://bitbucket.org/api/1.0/oauth/access_token/",
CallbackURL: httputil.GetScheme(req) + "://" + httputil.GetHost(req) + "/api/auth/bitbucket.org",
ConsumerKey: r.Client,
ConsumerSecret: r.Secret,
}
// get the oauth verifier
verifier := req.FormValue("oauth_verifier")
if len(verifier) == 0 {
// Generate a Request Token
requestToken, err := consumer.RequestToken()
if err != nil {
return nil, err
}
// add the request token as a signed cookie
httputil.SetCookie(res, req, "bitbucket_token", requestToken.Encode())
url, _ := consumer.AuthorizeRedirect(requestToken)
http.Redirect(res, req, url, http.StatusSeeOther)
return nil, nil
}
// remove bitbucket token data once before redirecting
// back to the application.
defer httputil.DelCookie(res, req, "bitbucket_token")
// get the tokens from the request
requestTokenStr := httputil.GetCookie(req, "bitbucket_token")
requestToken, err := oauth1.ParseRequestTokenStr(requestTokenStr)
if err != nil {
return nil, err
}
// exchange for an access token
accessToken, err := consumer.AuthorizeToken(requestToken, verifier)
if err != nil {
return nil, err
}
// create the Bitbucket client
client := bitbucket.New(
r.Client,
r.Secret,
accessToken.Token(),
accessToken.Secret(),
)
// get the currently authenticated Bitbucket User
user, err := client.Users.Current()
if err != nil {
return nil, err
}
// put the user data in the common format
login := model.Login{
Login: user.User.Username,
Access: accessToken.Token(),
Secret: accessToken.Secret(),
Name: user.User.DisplayName,
}
email, _ := client.Emails.FindPrimary(user.User.Username)
if email != nil {
login.Email = email.Email
}
return &login, nil
}