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Copy pathgitlab.go
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124 lines (104 loc) · 3.57 KB
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package gitlab
import (
"context"
"fmt"
"net/http"
"time"
"github.com/xanzy/go-gitlab"
"golang.org/x/oauth2"
"github.com/ovh/cds/engine/api/authentication"
"github.com/ovh/cds/sdk"
)
var _ sdk.AuthDriverWithRedirect = new(authDriver)
var _ sdk.AuthDriverWithSigninStateToken = new(authDriver)
// NewDriver returns a new Gitlab auth driver for given config.
func NewDriver(signupDisabled bool, cdsURL, url, applicationID, secret, orga string) sdk.AuthDriver {
return &authDriver{
signupDisabled: signupDisabled,
cdsURL: cdsURL,
url: url,
applicationID: applicationID,
secret: secret,
organization: orga,
}
}
type authDriver struct {
signupDisabled bool
cdsURL string
url string
applicationID string
secret string
organization string
}
func (d authDriver) GetManifest() sdk.AuthDriverManifest {
return sdk.AuthDriverManifest{
Type: sdk.ConsumerGitlab,
SignupDisabled: d.signupDisabled,
}
}
func (d authDriver) GetSigninURI(signinState sdk.AuthSigninConsumerToken) (sdk.AuthDriverSigningRedirect, error) {
// Generate a new state value for the auth signin request
jws, err := authentication.NewDefaultSigninStateToken(signinState.Origin,
signinState.RedirectURI, signinState.IsFirstConnection)
if err != nil {
return sdk.AuthDriverSigningRedirect{}, err
}
var result = sdk.AuthDriverSigningRedirect{
Method: http.MethodGet,
URL: fmt.Sprintf("%s/oauth/authorize?client_id=%s&response_type=code&state=%s&redirect_uri=%s", d.url, d.applicationID, jws, d.cdsURL+"/auth/callback/gitlab"),
}
return result, nil
}
func (d authDriver) GetSessionDuration() time.Duration {
return time.Hour * 24 * 30 // 1 month session
}
func (d authDriver) CheckSigninRequest(req sdk.AuthConsumerSigninRequest) error {
code, err := req.StringE("code")
if err != nil || code == "" {
return sdk.NewErrorFrom(sdk.ErrWrongRequest, "missing or invalid gitlab code")
}
return nil
}
func (d authDriver) CheckSigninStateToken(req sdk.AuthConsumerSigninRequest) error {
// Check if state is given and if its valid
state, err := req.StringE("state")
if err != nil {
return sdk.NewErrorFrom(sdk.ErrWrongRequest, "missing state value")
}
return authentication.CheckDefaultSigninStateToken(state)
}
func (d authDriver) GetUserInfo(ctx context.Context, req sdk.AuthConsumerSigninRequest) (sdk.AuthDriverUserInfo, error) {
var info sdk.AuthDriverUserInfo
config := &oauth2.Config{
Endpoint: oauth2.Endpoint{
TokenURL: fmt.Sprintf("%s/oauth/token", d.url),
},
}
ctx2 := context.WithValue(ctx, oauth2.HTTPClient, http.DefaultClient)
t, err := config.Exchange(ctx2, req.String("code"),
oauth2.SetAuthURLParam("client_id", d.applicationID),
oauth2.SetAuthURLParam("client_secret", d.secret),
oauth2.SetAuthURLParam("grant_type", "authorization_code"),
oauth2.SetAuthURLParam("redirect_uri", d.cdsURL+"/auth/callback/gitlab"),
)
if err != nil {
return info, sdk.WrapError(err, "cannot get gitlab token with given code")
}
c := gitlab.NewOAuthClient(http.DefaultClient, t.AccessToken)
if err := c.SetBaseURL(d.url); err != nil {
return info, sdk.WrapError(err, "invalid gitlab url")
}
me, res, err := c.Users.CurrentUser()
if err != nil {
return info, sdk.WrapError(err, "cannot get current user from gitlab")
}
if res.StatusCode != 200 {
return info, sdk.NewErrorFrom(sdk.ErrUnknownError, "cannot get current user from gitlab")
}
info.ExternalID = fmt.Sprintf("%d", me.ID)
info.Username = me.Username
info.Fullname = me.Name
info.Email = me.Email
info.Organization = d.organization
return info, nil
}