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gitlab_oauth.go
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gitlab_oauth.go
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package social
import (
"encoding/json"
"fmt"
"net/http"
"regexp"
"github.com/grafana/grafana/pkg/models"
"golang.org/x/oauth2"
)
type SocialGitlab struct {
*SocialBase
allowedGroups []string
apiUrl string
}
func (s *SocialGitlab) Type() int {
return int(models.GITLAB)
}
func (s *SocialGitlab) GetCustomAuthParams() []oauth2.AuthCodeOption {
return []oauth2.AuthCodeOption{}
}
func (s *SocialGitlab) IsGroupMember(groups []string) bool {
if len(s.allowedGroups) == 0 {
return true
}
for _, allowedGroup := range s.allowedGroups {
for _, group := range groups {
if group == allowedGroup {
return true
}
}
}
return false
}
func (s *SocialGitlab) GetGroups(client *http.Client) []string {
groups := make([]string, 0)
for page, url := s.GetGroupsPage(client, s.apiUrl+"/groups"); page != nil; page, url = s.GetGroupsPage(client, url) {
groups = append(groups, page...)
}
return groups
}
// GetGroupsPage returns groups and link to the next page if response is paginated
func (s *SocialGitlab) GetGroupsPage(client *http.Client, url string) ([]string, string) {
type Group struct {
FullPath string `json:"full_path"`
}
var (
groups []Group
next string
)
if url == "" {
return nil, next
}
response, err := s.httpGet(client, url)
if err != nil {
s.log.Error("Error getting groups from GitLab API", "err", err)
return nil, next
}
if err := json.Unmarshal(response.Body, &groups); err != nil {
s.log.Error("Error parsing JSON from GitLab API", "err", err)
return nil, next
}
fullPaths := make([]string, len(groups))
for i, group := range groups {
fullPaths[i] = group.FullPath
}
// GitLab uses Link header with "rel" set to prev/next/first/last page. We need "next".
if link, ok := response.Headers["Link"]; ok {
pattern := regexp.MustCompile(`<([^>]+)>; rel="next"`)
if matches := pattern.FindStringSubmatch(link[0]); matches != nil {
next = matches[1]
}
}
return fullPaths, next
}
func (s *SocialGitlab) UserInfo(client *http.Client, _ *oauth2.Token) (*BasicUserInfo, error) {
var data struct {
Id int
Username string
Email string
Name string
State string
}
response, err := s.httpGet(client, s.apiUrl+"/user")
if err != nil {
return nil, fmt.Errorf("Error getting user info: %s", err)
}
if err = json.Unmarshal(response.Body, &data); err != nil {
return nil, fmt.Errorf("error getting user info: %s", err)
}
if data.State != "active" {
return nil, fmt.Errorf("user %s is inactive", data.Username)
}
groups := s.GetGroups(client)
role, grafanaAdmin := s.extractRoleAndAdmin(response.Body, groups, true)
if s.roleAttributeStrict && !role.IsValid() {
return nil, &InvalidBasicRoleError{idP: "Gitlab", assignedRole: string(role)}
}
var isGrafanaAdmin *bool = nil
if s.allowAssignGrafanaAdmin {
isGrafanaAdmin = &grafanaAdmin
}
userInfo := &BasicUserInfo{
Id: fmt.Sprintf("%d", data.Id),
Name: data.Name,
Login: data.Username,
Email: data.Email,
Groups: groups,
Role: role,
IsGrafanaAdmin: isGrafanaAdmin,
}
if !s.IsGroupMember(groups) {
return nil, errMissingGroupMembership
}
return userInfo, nil
}