/
github.go
142 lines (112 loc) · 3.41 KB
/
github.go
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package oauth
import (
"os"
log "github.com/Sirupsen/logrus"
"github.com/google/go-github/github"
"github.com/juju/errors"
"golang.org/x/oauth2"
oauthGithub "golang.org/x/oauth2/github"
"strings"
)
func makeGitHubProvider(clientID, clientSecret string, token *oauth2.Token) *gitHubReader {
return &gitHubReader{
clientID: clientID,
clientSecret: clientSecret,
token: token,
}
}
func makeGitHubProviderUsingEnv(token *oauth2.Token) *gitHubReader {
clientID := os.Getenv("ND_GITHUB_CLIENT_ID")
clientSecret := os.Getenv("ND_GITHUB_SECRET")
requiredScope := os.Getenv("ND_GITHUB_SCOPE")
return &gitHubReader{
clientID: clientID,
clientSecret: clientSecret,
token: token,
scope: strings.Split(requiredScope, ","),
}
}
// Token reader
func (gr *gitHubReader) Token(authCode string) (*oauth2.Token, error) {
if authCode == "" {
return nil, errors.Trace(errors.Errorf("authCode is empty!"))
}
conf := &oauth2.Config{
ClientID: gr.clientID,
ClientSecret: gr.clientSecret,
Scopes: gr.scope,
Endpoint: oauthGithub.Endpoint,
}
token, err := conf.Exchange(oauth2.NoContext, authCode)
if err != nil {
log.WithField("authCode", authCode).Errorf("%s", err)
return nil, errors.Trace(err)
}
gr.token = token
log.WithField("authCode", authCode).Debugf("Got token, will expiry at [%s]", gr.token.Expiry)
ts := oauth2.StaticTokenSource(gr.token)
tc := oauth2.NewClient(oauth2.NoContext, ts)
client := github.NewClient(tc)
gr.user, _, err = client.Users.Get("")
gr.emails, _, err = client.Users.ListEmails(nil)
if err != nil {
log.WithField("authCode", authCode).Errorf("%s", err)
return nil, errors.Trace(err)
}
if len(gr.emails) == 0 && gr.user.Email == nil{
return nil, errors.Errorf("Could not access user email!scope ?")
}
if err != nil {
log.WithField("authCode", authCode).Errorf("%s", err)
return nil, errors.Trace(err)
}
log.WithField("authCode", authCode).WithField("user", gr.user.Email).Debugf("[%s]", gr.user.String())
log.WithField("authCode", authCode).WithField("emails", gr.user.Email).Debugf("[%+v]",gr.emails)
return gr.token, nil
}
// Email reader
func (gr *gitHubReader) Email() (*string, error) {
if gr.token == nil {
return nil, errors.Errorf("Use Token() first to exchange authCode for valid token")
}
if gr.user.Email != nil {
return gr.user.Email, nil
}
for _, eml := range gr.emails {
if eml.Verified == nil && eml.Primary == nil {
continue
}
if *eml.Verified && *eml.Primary && eml.Email != nil {
return eml.Email, nil
}
}
return nil, errors.Errorf("No email available!")
}
// Username reader
func (gr *gitHubReader) Username() (*string, error) {
if gr.token == nil {
return nil, errors.Errorf("Use Token() first to exchange authCode for valid token")
}
return gr.user.Login, nil
}
// Avatar reader
func (gr *gitHubReader) Avatar() (*string, error) {
if gr.token == nil {
return nil, errors.Errorf("Use Token() first to exchange authCode for valid token")
}
return gr.user.AvatarURL, nil
}
// Name reader
func (gr *gitHubReader) Name() (*string, error) {
if gr.token == nil {
return nil, errors.Errorf("Use Token() first to exchange authCode for valid token")
}
return gr.user.Name, nil
}
// Data reader
func (gr *gitHubReader) Data() (interface{}, error) {
if gr.token == nil {
return nil, errors.Errorf("Use Token() first to exchange authCode for valid token")
}
return gr.user, nil
}