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validators.go
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validators.go
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package auth
import (
"strings"
"github.com/gofrs/uuid"
"github.com/brocaar/lorawan"
"github.com/jmoiron/sqlx"
"github.com/pkg/errors"
)
// Flag defines the authorization flag.
type Flag int
// DisableAssignExistingUsers controls if existing users can be assigned
// to an organization or application. When set to false (default), organization
// admin users are able to list all users, which might depending on the
// context of the setup be a privacy issue.
var DisableAssignExistingUsers = false
// Authorization flags.
const (
Create Flag = iota
Read
Update
Delete
List
UpdateProfile
)
const userQuery = `
select count(*)
from "user" u
left join organization_user ou
on u.id = ou.user_id
left join organization o
on o.id = ou.organization_id
left join gateway g
on o.id = g.organization_id
left join application a
on a.organization_id = o.id
left join service_profile sp
on sp.organization_id = o.id
left join device_profile dp
on dp.organization_id = o.id
left join network_server ns
on ns.id = sp.network_server_id or ns.id = dp.network_server_id
left join device d
on a.id = d.application_id
left join multicast_group mg
on sp.service_profile_id = mg.service_profile_id
`
// ValidateActiveUser validates if the user in the JWT claim is active.
func ValidateActiveUser() ValidatorFunc {
where := [][]string{
{"u.username = $1", "u.is_active = true"},
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username)
}
}
// ValidateUsersAccess validates if the client has access to the global users
// resource.
func ValidateUsersAccess(flag Flag) ValidatorFunc {
var where [][]string
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true"},
}
case List:
if DisableAssignExistingUsers {
// global admin users
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
}
} else {
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true"},
}
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username)
}
}
// ValidateUserAccess validates if the client has access to the given user
// resource.
func ValidateUserAccess(userID int64, flag Flag) ValidatorFunc {
var where [][]string
switch flag {
case Read:
// global admin
// user itself
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "u.id = $2"},
}
case Update, Delete:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
case UpdateProfile:
// global admin
// user itself
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "u.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, userID)
}
}
// ValidateIsApplicationAdmin validates if the client has access to
// administrate the given application.
func ValidateIsApplicationAdmin(applicationID int64) ValidatorFunc {
// global admin
// organization admin
where := [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, applicationID)
}
}
// ValidateApplicationsAccess validates if the client has access to the
// global applications resource.
func ValidateApplicationsAccess(flag Flag, organizationID int64) ValidatorFunc {
var where [][]string
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
case List:
// global admin
// organization user (when organization id is given)
// any active user (api will filter on user)
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "$2 > 0", "o.id = $2 or a.organization_id = $2"},
{"u.username = $1", "u.is_active = true", "$2 = 0"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateApplicationAccess validates if the client has access to the given
// application.
func ValidateApplicationAccess(applicationID int64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "a.id = $2"},
}
case Update:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
case Delete:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, applicationID)
}
}
// ValidateApplicationUsersAccess validates if the client has access to the
// given application members.
func ValidateApplicationUsersAccess(applicationID int64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
if DisableAssignExistingUsers {
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
} else {
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
}
case List:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "a.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, applicationID)
}
}
// ValidateApplicationUserAccess validates if the client has access to the
// given application member.
func ValidateApplicationUserAccess(applicationID, userID int64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization admin
// user itself
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
{"u.username = $1", "u.is_active = true", "a.id = $2", "ou.user_id = $3"},
}
case Update:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$3 = $3"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
case Delete:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$3 = $3"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, applicationID, userID)
}
}
// ValidateNodesAccess validates if the client has access to the global nodes
// resource.
func ValidateNodesAccess(applicationID int64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "a.id = $2"},
}
case List:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "a.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, applicationID)
}
}
// ValidateNodeAccess validates if the client has access to the given node.
func ValidateNodeAccess(devEUI lorawan.EUI64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "d.dev_eui = $2"},
}
case Update:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "d.dev_eui = $2"},
}
case Delete:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "d.dev_eui = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, devEUI[:])
}
}
// ValidateDeviceQueueAccess validates if the client has access to the queue
// of the given node.
func ValidateDeviceQueueAccess(devEUI lorawan.EUI64, flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create, List, Delete:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "d.dev_eui = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, devEUI[:])
}
}
// ValidateGatewaysAccess validates if the client has access to the gateways.
func ValidateGatewaysAccess(flag Flag, organizationID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true", "o.can_have_gateways = true"},
}
case List:
// global admin
// organization user
// any active user (result filtered on user)
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "$2 > 0", "o.id = $2"},
{"u.username = $1", "u.is_active = true", "$2 = 0"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateGatewayAccess validates if the client has access to the given gateway.
func ValidateGatewayAccess(flag Flag, mac lorawan.EUI64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "g.mac = $2"},
}
case Update, Delete:
where = [][]string{
// global admin
// organization admin
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "g.mac = $2", "ou.is_admin = true"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, mac[:])
}
}
// ValidateIsOrganizationAdmin validates if the client has access to
// administrate the given organization.
func ValidateIsOrganizationAdmin(organizationID int64) ValidatorFunc {
// global admin
// organization admin
where := [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "o.id = $2"},
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateOrganizationsAccess validates if the client has access to the
// organizations.
func ValidateOrganizationsAccess(flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
}
case List:
// any active user (results are filtered by the api)
where = [][]string{
{"u.username = $1", "u.is_active = true"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username)
}
}
// ValidateOrganizationAccess validates if the client has access to the
// given organization.
func ValidateOrganizationAccess(flag Flag, id int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2"},
{"u.username = $1", "u.is_active = true", "a.organization_id = $2"},
}
case Update:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
case Delete:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, id)
}
}
// ValidateOrganizationUsersAccess validates if the client has access to
// the organization users.
func ValidateOrganizationUsersAccess(flag Flag, id int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
if DisableAssignExistingUsers {
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
} else {
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
}
case List:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, id)
}
}
// ValidateOrganizationUserAccess validates if the client has access to the
// given user of the given organization.
func ValidateOrganizationUserAccess(flag Flag, organizationID, userID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization admin
// user itself
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.user_id = $3", "ou.user_id = u.id"},
}
case Update:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$3 = $3"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
case Delete:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$3 = $3"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID, userID)
}
}
// ValidateGatewayProfileAccess validates if the client has access
// to the gateway-profiles.
func ValidateGatewayProfileAccess(flag Flag) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create, Update, Delete:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
}
case Read, List:
// any active user
where = [][]string{
{"u.username = $1", "u.is_active = true"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username)
}
}
// ValidateNetworkServersAccess validates if the client has access to the
// network-servers.
func ValidateNetworkServersAccess(flag Flag, organizationID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
case List:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateNetworkServerAccess validates if the client has access to the
// given network-server.
func ValidateNetworkServerAccess(flag Flag, id int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// org. admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "ns.id = $2"},
}
case Update, Delete:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, id)
}
}
// ValidateOrganizationNetworkServerAccess validates if the given client has
// access to the given organization id / network server id combination.
func ValidateOrganizationNetworkServerAccess(flag Flag, organizationID, networkServerID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ns.id = $3"},
}
default:
panic("unsupported flag")
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID, networkServerID)
}
}
// ValidateServiceProfilesAccess validates if the client has access to the
// service-profiles.
func ValidateServiceProfilesAccess(flag Flag, organizationID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
case List:
// global admin
// organization user (when organization id is given)
// any active user (filtered by user)
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "$2 > 0", "o.id = $2"},
{"u.username = $1", "u.is_active = true", "$2 = 0"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateServiceProfileAccess validates if the client has access to the
// given service-profile.
func ValidateServiceProfileAccess(flag Flag, id uuid.UUID) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization users to which the service-profile is linked
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "sp.service_profile_id = $2"},
}
case Update, Delete:
// global admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true", "$2 = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, id)
}
}
// ValidateDeviceProfilesAccess validates if the client has access to the
// device-profiles.
func ValidateDeviceProfilesAccess(flag Flag, organizationID, applicationID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true", "$3 = 0"},
}
case List:
// global admin
// organization user (when organization id is given)
// user linked to a given application (when application id is given)
// any active user (filtered by user)
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "$3 = 0", "$2 > 0", "o.id = $2"},
{"u.username = $1", "u.is_active = true", "$2 = 0", "$3 > 0", "a.id = $3"},
{"u.username = $1", "u.is_active = true", "$2 = 0", "$3 = 0"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID, applicationID)
}
}
// ValidateDeviceProfileAccess validates if the client has access to the
// given device-profile.
func ValidateDeviceProfileAccess(flag Flag, id uuid.UUID) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// gloabal admin
// organization users
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "dp.device_profile_id = $2"},
}
case Update, Delete:
// global admin
// organization admin users
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin=true", "dp.device_profile_id = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, id)
}
}
// ValidateMulticastGroupsAccess validates if the client has access to the
// multicast-groups.
func ValidateMulticastGroupsAccess(flag Flag, organizationID int64) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create:
// global admin
// organization admin
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2", "ou.is_admin = true"},
}
case List:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "o.id = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, organizationID)
}
}
// ValidateMulticastGroupAccess validates if the client has access to the given
// multicast-group.
func ValidateMulticastGroupAccess(flag Flag, multicastGroupID uuid.UUID) ValidatorFunc {
var where = [][]string{}
switch flag {
case Read:
// global admin
// organization users
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "mg.id = $2"},
}
case Update, Delete:
// global admin
// organization admin users
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "ou.is_admin = true", "mg.id = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, multicastGroupID)
}
}
// ValidateMulticastGroupQueueAccess validates if the client has access to
// the given multicast-group queue.
func ValidateMulticastGroupQueueAccess(flag Flag, multicastGroupID uuid.UUID) ValidatorFunc {
var where = [][]string{}
switch flag {
case Create, Read, List, Delete:
// global admin
// organization user
where = [][]string{
{"u.username = $1", "u.is_active = true", "u.is_admin = true"},
{"u.username = $1", "u.is_active = true", "mg.id = $2"},
}
}
return func(db sqlx.Queryer, claims *Claims) (bool, error) {
return executeQuery(db, userQuery, where, claims.Username, multicastGroupID)
}
}
func executeQuery(db sqlx.Queryer, query string, where [][]string, args ...interface{}) (bool, error) {
var ors []string
for _, ands := range where {
ors = append(ors, "(("+strings.Join(ands, ") and (")+"))")
}
whereStr := strings.Join(ors, " or ")
query = query + " where " + whereStr
var count int64
if err := sqlx.Get(db, &count, query, args...); err != nil {
return false, errors.Wrap(err, "select error")
}
return count > 0, nil
}