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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package source
import (
"context"
"fmt"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/organization"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/log"
)
type syncType int
const (
syncAdd syncType = iota
syncRemove
)
// SyncGroupsToTeams maps authentication source groups to organization and team memberships
func SyncGroupsToTeams(ctx context.Context, user *user_model.User, sourceUserGroups container.Set[string], sourceGroupTeamMapping map[string]map[string][]string, performRemoval bool) error {
orgCache := make(map[string]*organization.Organization)
teamCache := make(map[string]*organization.Team)
return SyncGroupsToTeamsCached(ctx, user, sourceUserGroups, sourceGroupTeamMapping, performRemoval, orgCache, teamCache)
}
// SyncGroupsToTeamsCached maps authentication source groups to organization and team memberships
func SyncGroupsToTeamsCached(ctx context.Context, user *user_model.User, sourceUserGroups container.Set[string], sourceGroupTeamMapping map[string]map[string][]string, performRemoval bool, orgCache map[string]*organization.Organization, teamCache map[string]*organization.Team) error {
membershipsToAdd, membershipsToRemove := resolveMappedMemberships(sourceUserGroups, sourceGroupTeamMapping)
if performRemoval {
if err := syncGroupsToTeamsCached(ctx, user, membershipsToRemove, syncRemove, orgCache, teamCache); err != nil {
return fmt.Errorf("could not sync[remove] user groups: %w", err)
}
}
if err := syncGroupsToTeamsCached(ctx, user, membershipsToAdd, syncAdd, orgCache, teamCache); err != nil {
return fmt.Errorf("could not sync[add] user groups: %w", err)
}
return nil
}
func resolveMappedMemberships(sourceUserGroups container.Set[string], sourceGroupTeamMapping map[string]map[string][]string) (map[string][]string, map[string][]string) {
membershipsToAdd := map[string][]string{}
membershipsToRemove := map[string][]string{}
for group, memberships := range sourceGroupTeamMapping {
isUserInGroup := sourceUserGroups.Contains(group)
if isUserInGroup {
for org, teams := range memberships {
membershipsToAdd[org] = append(membershipsToAdd[org], teams...)
}
} else {
for org, teams := range memberships {
membershipsToRemove[org] = append(membershipsToRemove[org], teams...)
}
}
}
return membershipsToAdd, membershipsToRemove
}
func syncGroupsToTeamsCached(ctx context.Context, user *user_model.User, orgTeamMap map[string][]string, action syncType, orgCache map[string]*organization.Organization, teamCache map[string]*organization.Team) error {
for orgName, teamNames := range orgTeamMap {
var err error
org, ok := orgCache[orgName]
if !ok {
org, err = organization.GetOrgByName(ctx, orgName)
if err != nil {
if organization.IsErrOrgNotExist(err) {
// organization must be created before group sync
log.Warn("group sync: Could not find organisation %s: %v", orgName, err)
continue
}
return err
}
orgCache[orgName] = org
}
for _, teamName := range teamNames {
team, ok := teamCache[orgName+teamName]
if !ok {
team, err = org.GetTeam(ctx, teamName)
if err != nil {
if organization.IsErrTeamNotExist(err) {
// team must be created before group sync
log.Warn("group sync: Could not find team %s: %v", teamName, err)
continue
}
return err
}
teamCache[orgName+teamName] = team
}
isMember, err := organization.IsTeamMember(ctx, org.ID, team.ID, user.ID)
if err != nil {
return err
}
if action == syncAdd && !isMember {
if err := models.AddTeamMember(ctx, team, user.ID); err != nil {
log.Error("group sync: Could not add user to team: %v", err)
return err
}
} else if action == syncRemove && isMember {
if err := models.RemoveTeamMember(ctx, team, user.ID); err != nil {
log.Error("group sync: Could not remove user from team: %v", err)
return err
}
}
}
}
return nil
}
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