mirror of https://github.com/go-gitea/gitea.git
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package asymkey
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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/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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// CheckPrincipalKeyString strips spaces and returns an error if the given principal contains newlines
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func CheckPrincipalKeyString(ctx context.Context, user *user_model.User, content string) (_ string, err error) {
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if setting.SSH.Disabled {
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return "", db.ErrSSHDisabled{}
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}
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content = strings.TrimSpace(content)
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if strings.ContainsAny(content, "\r\n") {
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return "", util.NewInvalidArgumentErrorf("only a single line with a single principal please")
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}
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// check all the allowed principals, email, username or anything
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// if any matches, return ok
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for _, v := range setting.SSH.AuthorizedPrincipalsAllow {
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switch v {
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case "anything":
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return content, nil
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case "email":
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emails, err := user_model.GetEmailAddresses(ctx, user.ID)
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if err != nil {
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return "", err
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}
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for _, email := range emails {
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if !email.IsActivated {
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continue
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}
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if content == email.Email {
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return content, nil
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}
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}
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case "username":
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if content == user.Name {
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return content, nil
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}
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}
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}
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return "", fmt.Errorf("didn't match allowed principals: %s", setting.SSH.AuthorizedPrincipalsAllow)
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}
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