68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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// +build !oss
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package admission
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import (
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"context"
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"errors"
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"strings"
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"github.com/drone/drone/core"
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)
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// ErrMembership is returned when attempting to create a new
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// user account for a user that is not a member of an approved
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// organization.
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var ErrMembership = errors.New("User must be a member of an approved organization")
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// Membership limits user access by organization membership.
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func Membership(service core.OrganizationService, accounts []string) core.AdmissionService {
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lookup := map[string]struct{}{}
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for _, account := range accounts {
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account = strings.TrimSpace(account)
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account = strings.ToLower(account)
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lookup[account] = struct{}{}
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}
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return &membership{service: service, account: lookup}
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}
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type membership struct {
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service core.OrganizationService
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account map[string]struct{}
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}
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func (s *membership) Admit(ctx context.Context, user *core.User) error {
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// this admission policy is only enforced for
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// new users. Existing users are always admitted.
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if user.ID != 0 {
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return nil
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}
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// if the membership whitelist is empty assume the system
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// is open admission.
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if len(s.account) == 0 {
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return nil
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}
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// if the username is in the whitelist when can admin
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// the user without making an API call to fetch the
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// organization list.
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_, ok := s.account[strings.ToLower(user.Login)]
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if ok {
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return nil
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}
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orgs, err := s.service.List(ctx, user)
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if err != nil {
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return err
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}
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for _, org := range orgs {
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_, ok := s.account[strings.ToLower(org.Name)]
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if ok {
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return nil
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}
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}
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return ErrMembership
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}
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