forked from grafana/grafana
/
github_oauth.go
211 lines (164 loc) · 3.88 KB
/
github_oauth.go
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package social
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"github.com/grafana/grafana/pkg/models"
"golang.org/x/oauth2"
)
type SocialGithub struct {
*oauth2.Config
allowedDomains []string
allowedOrganizations []string
apiUrl string
allowSignup bool
teamIds []int
}
var (
ErrMissingTeamMembership = errors.New("User not a member of one of the required teams")
)
var (
ErrMissingOrganizationMembership = errors.New("User not a member of one of the required organizations")
)
func (s *SocialGithub) Type() int {
return int(models.GITHUB)
}
func (s *SocialGithub) IsEmailAllowed(email string) bool {
return isEmailAllowed(email, s.allowedDomains)
}
func (s *SocialGithub) IsSignupAllowed() bool {
return s.allowSignup
}
func (s *SocialGithub) IsTeamMember(client *http.Client) bool {
if len(s.teamIds) == 0 {
return true
}
teamMemberships, err := s.FetchTeamMemberships(client)
if err != nil {
return false
}
for _, teamId := range s.teamIds {
for _, membershipId := range teamMemberships {
if teamId == membershipId {
return true
}
}
}
return false
}
func (s *SocialGithub) IsOrganizationMember(client *http.Client) bool {
if len(s.allowedOrganizations) == 0 {
return true
}
organizations, err := s.FetchOrganizations(client)
if err != nil {
return false
}
for _, allowedOrganization := range s.allowedOrganizations {
for _, organization := range organizations {
if organization == allowedOrganization {
return true
}
}
}
return false
}
func (s *SocialGithub) FetchPrivateEmail(client *http.Client) (string, error) {
type Record struct {
Email string `json:"email"`
Primary bool `json:"primary"`
Verified bool `json:"verified"`
}
emailsUrl := fmt.Sprintf(s.apiUrl + "/emails")
r, err := client.Get(emailsUrl)
if err != nil {
return "", err
}
defer r.Body.Close()
var records []Record
if err = json.NewDecoder(r.Body).Decode(&records); err != nil {
return "", err
}
var email = ""
for _, record := range records {
if record.Primary {
email = record.Email
}
}
return email, nil
}
func (s *SocialGithub) FetchTeamMemberships(client *http.Client) ([]int, error) {
type Record struct {
Id int `json:"id"`
}
membershipUrl := fmt.Sprintf(s.apiUrl + "/teams")
r, err := client.Get(membershipUrl)
if err != nil {
return nil, err
}
defer r.Body.Close()
var records []Record
if err = json.NewDecoder(r.Body).Decode(&records); err != nil {
return nil, err
}
var ids = make([]int, len(records))
for i, record := range records {
ids[i] = record.Id
}
return ids, nil
}
func (s *SocialGithub) FetchOrganizations(client *http.Client) ([]string, error) {
type Record struct {
Login string `json:"login"`
}
url := fmt.Sprintf(s.apiUrl + "/orgs")
r, err := client.Get(url)
if err != nil {
return nil, err
}
defer r.Body.Close()
var records []Record
if err = json.NewDecoder(r.Body).Decode(&records); err != nil {
return nil, err
}
var logins = make([]string, len(records))
for i, record := range records {
logins[i] = record.Login
}
return logins, nil
}
func (s *SocialGithub) UserInfo(client *http.Client) (*BasicUserInfo, error) {
var data struct {
Id int `json:"id"`
Login string `json:"login"`
Email string `json:"email"`
}
var err error
r, err := client.Get(s.apiUrl)
if err != nil {
return nil, err
}
defer r.Body.Close()
if err = json.NewDecoder(r.Body).Decode(&data); err != nil {
return nil, err
}
userInfo := &BasicUserInfo{
Name: data.Login,
Login: data.Login,
Email: data.Email,
}
if !s.IsTeamMember(client) {
return nil, ErrMissingTeamMembership
}
if !s.IsOrganizationMember(client) {
return nil, ErrMissingOrganizationMembership
}
if userInfo.Email == "" {
userInfo.Email, err = s.FetchPrivateEmail(client)
if err != nil {
return nil, err
}
}
return userInfo, nil
}