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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package api
import (
"net/http"
"strings"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/app"
"github.com/mattermost/platform/model"
)
func HasPermissionToContext(c *Context, permission *model.Permission) bool {
userRoles := c.Session.GetUserRoles()
if !CheckIfRolesGrantPermission(userRoles, permission.Id) {
c.Err = model.NewLocAppError("HasPermissionToContext", "api.context.permissions.app_error", nil, "userId="+c.Session.UserId+", teamId="+c.TeamId+" permission="+permission.Id+" "+model.RoleIdsToString(userRoles))
c.Err.StatusCode = http.StatusForbidden
return false
}
return true
}
func HasPermissionTo(user *model.User, permission *model.Permission) bool {
roles := user.GetRoles()
return CheckIfRolesGrantPermission(roles, permission.Id)
}
func HasPermissionToCurrentTeamContext(c *Context, permission *model.Permission) bool {
return HasPermissionToTeamContext(c, c.TeamId, permission)
}
func HasPermissionToTeamContext(c *Context, teamId string, permission *model.Permission) bool {
teamMember := c.Session.GetTeamByTeamId(teamId)
if teamMember != nil {
roles := teamMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
}
if HasPermissionToContext(c, permission) {
return true
}
c.Err = model.NewLocAppError("HasPermissionToTeamContext", "api.context.permissions.app_error", nil, "userId="+c.Session.UserId+", teamId="+c.TeamId+" permission="+permission.Id)
c.Err.StatusCode = http.StatusForbidden
return false
}
func HasPermissionToTeam(user *model.User, teamMember *model.TeamMember, permission *model.Permission) bool {
if teamMember == nil {
return false
}
roles := teamMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
return HasPermissionTo(user, permission)
}
func HasPermissionToChannelContext(c *Context, channelId string, permission *model.Permission) bool {
cmc := app.Srv.Store.Channel().GetAllChannelMembersForUser(c.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
}
}
}
cc := app.Srv.Store.Channel().Get(channelId, true)
if ccresult := <-cc; ccresult.Err == nil {
channel := ccresult.Data.(*model.Channel)
if teamMember := c.Session.GetTeamByTeamId(channel.TeamId); teamMember != nil {
roles := teamMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
}
}
if HasPermissionToContext(c, permission) {
return true
}
c.Err = model.NewLocAppError("HasPermissionToChannelContext", "api.context.permissions.app_error", nil, "userId="+c.Session.UserId+", "+"permission="+permission.Id+" channelRoles="+model.RoleIdsToString(channelRoles))
c.Err.StatusCode = http.StatusForbidden
return false
}
func HasPermissionToChannel(user *model.User, teamMember *model.TeamMember, channelMember *model.ChannelMember, permission *model.Permission) bool {
if channelMember == nil {
return false
}
roles := channelMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
return HasPermissionToTeam(user, teamMember, permission)
}
func HasPermissionToChannelByPostContext(c *Context, postId string, permission *model.Permission) bool {
cmc := app.Srv.Store.Channel().GetMemberForPost(postId, c.Session.UserId)
var channelRoles []string
if cmcresult := <-cmc; cmcresult.Err == nil {
channelMember := cmcresult.Data.(*model.ChannelMember)
channelRoles = channelMember.GetRoles()
if CheckIfRolesGrantPermission(channelRoles, permission.Id) {
return true
}
}
cc := app.Srv.Store.Channel().GetForPost(postId)
if ccresult := <-cc; ccresult.Err == nil {
channel := ccresult.Data.(*model.Channel)
if teamMember := c.Session.GetTeamByTeamId(channel.TeamId); teamMember != nil {
roles := teamMember.GetRoles()
if CheckIfRolesGrantPermission(roles, permission.Id) {
return true
}
}
}
if HasPermissionToContext(c, permission) {
return true
}
c.Err = model.NewLocAppError("HasPermissionToChannelByPostContext", "api.context.permissions.app_error", nil, "userId="+c.Session.UserId+", "+"permission="+permission.Id+" channelRoles="+model.RoleIdsToString(channelRoles))
c.Err.StatusCode = http.StatusForbidden
return false
}
func HasPermissionToUser(c *Context, userId string) bool {
// You are the user (users autmaticly have permissions to themselves)
if c.Session.UserId == userId {
return true
}
// You have permission
if HasPermissionToContext(c, model.PERMISSION_EDIT_OTHER_USERS) {
return true
}
c.Err = model.NewLocAppError("HasPermissionToUser", "api.context.permissions.app_error", nil, "userId="+userId)
c.Err.StatusCode = http.StatusForbidden
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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