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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"strings"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/model"
)
func SessionHasPermissionTo(session model.Session, permission *model.Permission) bool {
return CheckIfRolesGrantPermission(session.GetUserRoles(), permission.Id)
}
func SessionHasPermissionToTeam(session model.Session, teamId string, permission *model.Permission) bool {
if teamId == "" {
return false
}
teamMember := session.GetTeamByTeamId(teamId)
if teamMember != nil {
if CheckIfRolesGrantPermission(teamMember.GetRoles(), permission.Id) {
return true
}
}
return SessionHasPermissionTo(session, permission)
}
func SessionHasPermissionToChannel(session model.Session, channelId string, permission *model.Permission) bool {
if channelId == "" {
return false
}
cmc := Srv.Store.Channel().GetAllChannelMembersForUser(session.UserId, true)
var channelRoles []string
if cmcresult := <-cmc; cmcresult.Err == nil {
ids := cmcresult.Data.(map[string]string)
if roles, ok := ids[channelId]; ok {
channelRoles = strings.Fields(roles)
if CheckIfRolesGrantPermission(channelRoles, permission.Id) {
return true
}
}
}
channel, err := GetChannel(channelId)
if err == nil {
return SessionHasPermissionToTeam(session, channel.TeamId, permission)
}
return SessionHasPermissionTo(session, permission)
}
func SessionHasPermissionToChannelByPost(session model.Session, postId string, permission *model.Permission) bool {
var channelMember *model.ChannelMember
if result := <-Srv.Store.Channel().GetMemberForPost(postId, session.UserId); result.Err == nil {
channelMember = result.Data.(*model.ChannelMember)
if CheckIfRolesGrantPermission(channelMember.GetRoles(), permission.Id) {
return true
}
}
if result := <-Srv.Store.Channel().GetForPost(postId); result.Err == nil {
channel := result.Data.(*model.Channel)
return SessionHasPermissionToTeam(session, channel.TeamId, permission)
}
return SessionHasPermissionTo(session, permission)
}
func SessionHasPermissionToUser(session model.Session, userId string) bool {
if userId == "" {
return false
}
if session.UserId == userId {
return true
}
if SessionHasPermissionTo(session, model.PERMISSION_EDIT_OTHER_USERS) {
return true
}
return false
}
func SessionHasPermissionToPost(session model.Session, postId string, permission *model.Permission) bool {
post, err := GetSinglePost(postId)
if err != nil {
return false
}
if post.UserId == session.UserId {
return true
}
return SessionHasPermissionToChannel(session, post.ChannelId, permission)
}
func HasPermissionTo(askingUserId string, permission *model.Permission) bool {
user, err := GetUser(askingUserId)
if err != nil {
return false
}
roles := user.GetRoles()
return CheckIfRolesGrantPermission(roles, permission.Id)
}
func HasPermissionToTeam(askingUserId string, teamId string, permission *model.Permission) bool {
if teamId == "" || askingUserId == "" {
return false
}
teamMember, err := GetTeamMember(teamId, askingUserId)
if err != nil {
return false
}
roles := teamMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
return HasPermissionTo(askingUserId, permission)
}
func HasPermissionToChannel(askingUserId string, channelId string, permission *model.Permission) bool {
if channelId == "" || askingUserId == "" {
return false
}
channelMember, err := GetChannelMember(channelId, askingUserId)
if err == nil {
roles := channelMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
}
var channel *model.Channel
channel, err = GetChannel(channelId)
if err == nil {
return HasPermissionToTeam(askingUserId, channel.TeamId, permission)
}
return HasPermissionTo(askingUserId, permission)
}
func HasPermissionToChannelByPost(askingUserId string, postId string, permission *model.Permission) bool {
var channelMember *model.ChannelMember
if result := <-Srv.Store.Channel().GetMemberForPost(postId, askingUserId); result.Err == nil {
channelMember = result.Data.(*model.ChannelMember)
if CheckIfRolesGrantPermission(channelMember.GetRoles(), permission.Id) {
return true
}
}
if result := <-Srv.Store.Channel().GetForPost(postId); result.Err == nil {
channel := result.Data.(*model.Channel)
return HasPermissionToTeam(askingUserId, channel.TeamId, permission)
}
return HasPermissionTo(askingUserId, permission)
}
func HasPermissionToUser(askingUserId string, userId string) bool {
if askingUserId == userId {
return true
}
if HasPermissionTo(askingUserId, model.PERMISSION_EDIT_OTHER_USERS) {
return true
}
return false
}
func CheckIfRolesGrantPermission(roles []string, permissionId string) bool {
for _, roleId := range roles {
if role, ok := model.BuiltInRoles[roleId]; !ok {
l4g.Debug("Bad role in system " + roleId)
return false
} else {
permissions := role.Permissions
for _, permission := range permissions {
if permission == permissionId {
return true
}
}
}
}
return false
}
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