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f183783baa
This will allow instance admins to view signup pattern patterns for public instances. It is modelled after discourse, mastodon, and MediaWiki's approaches. Note: This has privacy implications, but as the above-stated open-source projects take this approach, especially MediaWiki, which I have no doubt looked into this thoroughly, it is likely okay for us, too. However, I would be appreciative of any feedback on how this could be improved. --------- Co-authored-by: Giteabot <teabot@gitea.io>
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package pam
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import (
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"context"
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"fmt"
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"strings"
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"code.gitea.io/gitea/models/auth"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/auth/pam"
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"code.gitea.io/gitea/modules/optional"
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"code.gitea.io/gitea/modules/setting"
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"github.com/google/uuid"
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)
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// Authenticate queries if login/password is valid against the PAM,
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// and create a local user if success when enabled.
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func (source *Source) Authenticate(ctx context.Context, user *user_model.User, userName, password string) (*user_model.User, error) {
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pamLogin, err := pam.Auth(source.ServiceName, userName, password)
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if err != nil {
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if strings.Contains(err.Error(), "Authentication failure") {
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return nil, user_model.ErrUserNotExist{Name: userName}
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}
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return nil, err
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}
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if user != nil {
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return user, nil
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}
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// Allow PAM sources with `@` in their name, like from Active Directory
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username := pamLogin
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email := pamLogin
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idx := strings.Index(pamLogin, "@")
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if idx > -1 {
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username = pamLogin[:idx]
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}
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if user_model.ValidateEmail(email) != nil {
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if source.EmailDomain != "" {
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email = fmt.Sprintf("%s@%s", username, source.EmailDomain)
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} else {
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email = fmt.Sprintf("%s@%s", username, setting.Service.NoReplyAddress)
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}
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if user_model.ValidateEmail(email) != nil {
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email = uuid.New().String() + "@localhost"
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}
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}
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user = &user_model.User{
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LowerName: strings.ToLower(username),
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Name: username,
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Email: email,
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Passwd: password,
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LoginType: auth.PAM,
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LoginSource: source.authSource.ID,
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LoginName: userName, // This is what the user typed in
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}
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overwriteDefault := &user_model.CreateUserOverwriteOptions{
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IsActive: optional.Some(true),
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}
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if err := user_model.CreateUser(ctx, user, &user_model.Meta{}, overwriteDefault); err != nil {
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return user, err
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}
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return user, nil
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}
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// IsSkipLocalTwoFA returns if this source should skip local 2fa for password authentication
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func (source *Source) IsSkipLocalTwoFA() bool {
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return source.SkipLocalTwoFA
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}
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