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role.go
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role.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"net/http"
"reflect"
"strings"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/utils"
)
func (a *App) GetRole(id string) (*model.Role, *model.AppError) {
return a.Srv().Store.Role().Get(id)
}
func (a *App) GetAllRoles() ([]*model.Role, *model.AppError) {
return a.Srv().Store.Role().GetAll()
}
func (a *App) GetRoleByName(name string) (*model.Role, *model.AppError) {
role, err := a.Srv().Store.Role().GetByName(name)
if err != nil {
return nil, err
}
err = a.mergeChannelHigherScopedPermissions([]*model.Role{role})
if err != nil {
return nil, err
}
return role, nil
}
func (a *App) GetRolesByNames(names []string) ([]*model.Role, *model.AppError) {
roles, err := a.Srv().Store.Role().GetByNames(names)
if err != nil {
return nil, err
}
err = a.mergeChannelHigherScopedPermissions(roles)
if err != nil {
return nil, err
}
return roles, nil
}
// mergeChannelHigherScopedPermissions updates the permissions based on the role type, whether the permission is
// moderated, and the value of the permission on the higher-scoped scheme.
func (a *App) mergeChannelHigherScopedPermissions(roles []*model.Role) *model.AppError {
var higherScopeNamesToQuery []string
for _, role := range roles {
if role.SchemeManaged {
higherScopeNamesToQuery = append(higherScopeNamesToQuery, role.Name)
}
}
if len(higherScopeNamesToQuery) == 0 {
return nil
}
higherScopedPermissionsMap, err := a.Srv().Store.Role().ChannelHigherScopedPermissions(higherScopeNamesToQuery)
if err != nil {
return err
}
for _, role := range roles {
if role.SchemeManaged {
if higherScopedPermissions, ok := higherScopedPermissionsMap[role.Name]; ok {
role.MergeChannelHigherScopedPermissions(higherScopedPermissions)
}
}
}
return nil
}
func (a *App) PatchRole(role *model.Role, patch *model.RolePatch) (*model.Role, *model.AppError) {
// If patch is a no-op then short-circuit the store.
if patch.Permissions != nil && reflect.DeepEqual(*patch.Permissions, role.Permissions) {
return role, nil
}
role.Patch(patch)
role, err := a.UpdateRole(role)
if err != nil {
return nil, err
}
return role, err
}
func (a *App) CreateRole(role *model.Role) (*model.Role, *model.AppError) {
role.Id = ""
role.CreateAt = 0
role.UpdateAt = 0
role.DeleteAt = 0
role.BuiltIn = false
role.SchemeManaged = false
return a.Srv().Store.Role().Save(role)
}
func (a *App) UpdateRole(role *model.Role) (*model.Role, *model.AppError) {
savedRole, err := a.Srv().Store.Role().Save(role)
if err != nil {
return nil, err
}
builtInChannelRoles := []string{
model.CHANNEL_GUEST_ROLE_ID,
model.CHANNEL_USER_ROLE_ID,
model.CHANNEL_ADMIN_ROLE_ID,
}
builtInRolesMinusChannelRoles := utils.RemoveStringsFromSlice(model.BuiltInSchemeManagedRoleIDs, builtInChannelRoles...)
if utils.StringInSlice(savedRole.Name, builtInRolesMinusChannelRoles) {
return savedRole, nil
}
var roleRetrievalFunc func() ([]*model.Role, *model.AppError)
if utils.StringInSlice(savedRole.Name, builtInChannelRoles) {
roleRetrievalFunc = func() ([]*model.Role, *model.AppError) {
return a.Srv().Store.Role().AllChannelSchemeRoles()
}
} else {
roleRetrievalFunc = func() ([]*model.Role, *model.AppError) {
return a.Srv().Store.Role().ChannelRolesUnderTeamRole(savedRole.Name)
}
}
impactedRoles, err := roleRetrievalFunc()
if err != nil {
return nil, err
}
impactedRoles = append(impactedRoles, role)
err = a.mergeChannelHigherScopedPermissions(impactedRoles)
if err != nil {
return nil, err
}
for _, ir := range impactedRoles {
a.sendUpdatedRoleEvent(ir)
}
return savedRole, nil
}
func (a *App) CheckRolesExist(roleNames []string) *model.AppError {
roles, err := a.GetRolesByNames(roleNames)
if err != nil {
return err
}
for _, name := range roleNames {
nameFound := false
for _, role := range roles {
if name == role.Name {
nameFound = true
break
}
}
if !nameFound {
return model.NewAppError("CheckRolesExist", "app.role.check_roles_exist.role_not_found", nil, "role="+name, http.StatusBadRequest)
}
}
return nil
}
func (a *App) sendUpdatedRoleEvent(role *model.Role) {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_ROLE_UPDATED, "", "", "", nil)
message.Add("role", role.ToJson())
a.Srv().Go(func() {
a.Publish(message)
})
}
func RemoveRoles(rolesToRemove []string, roles string) string {
roleList := strings.Fields(roles)
newRoles := make([]string, 0)
for _, role := range roleList {
shouldRemove := false
for _, roleToRemove := range rolesToRemove {
if role == roleToRemove {
shouldRemove = true
break
}
}
if !shouldRemove {
newRoles = append(newRoles, role)
}
}
return strings.Join(newRoles, " ")
}