forked from mirror/gitea
f8b471ace1
Fixes #28660 Fixes an admin api bug related to `user.LoginSource` Fixed `/user/emails` response not identical to GitHub api This PR unifies the user update methods. The goal is to keep the logic only at one place (having audit logs in mind). For example, do the password checks only in one method not everywhere a password is updated. After that PR is merged, the user creation should be next.
119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package pwn
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import (
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"context"
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"crypto/sha1"
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"encoding/hex"
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"errors"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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"code.gitea.io/gitea/modules/setting"
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)
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const passwordURL = "https://api.pwnedpasswords.com/range/"
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// ErrEmptyPassword is an empty password error
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var ErrEmptyPassword = errors.New("password cannot be empty")
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// Client is a HaveIBeenPwned client
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type Client struct {
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ctx context.Context
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http *http.Client
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}
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// New returns a new HaveIBeenPwned Client
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func New(options ...ClientOption) *Client {
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client := &Client{
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ctx: context.Background(),
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http: http.DefaultClient,
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}
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for _, opt := range options {
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opt(client)
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}
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return client
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}
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// ClientOption is a way to modify a new Client
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type ClientOption func(*Client)
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// WithHTTP will set the http.Client of a Client
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func WithHTTP(httpClient *http.Client) func(pwnClient *Client) {
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return func(pwnClient *Client) {
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pwnClient.http = httpClient
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}
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}
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// WithContext will set the context.Context of a Client
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func WithContext(ctx context.Context) func(pwnClient *Client) {
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return func(pwnClient *Client) {
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pwnClient.ctx = ctx
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}
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}
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func newRequest(ctx context.Context, method, url string, body io.ReadCloser) (*http.Request, error) {
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req, err := http.NewRequestWithContext(ctx, method, url, body)
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if err != nil {
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return nil, err
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}
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req.Header.Add("User-Agent", "Gitea "+setting.AppVer)
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return req, nil
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}
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// CheckPassword returns the number of times a password has been compromised
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// Adding padding will make requests more secure, however is also slower
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// because artificial responses will be added to the response
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// For more information, see https://www.troyhunt.com/enhancing-pwned-passwords-privacy-with-padding/
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func (c *Client) CheckPassword(pw string, padding bool) (int, error) {
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if pw == "" {
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return -1, ErrEmptyPassword
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}
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sha := sha1.New()
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sha.Write([]byte(pw))
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enc := hex.EncodeToString(sha.Sum(nil))
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prefix, suffix := enc[:5], enc[5:]
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req, err := newRequest(c.ctx, http.MethodGet, fmt.Sprintf("%s%s", passwordURL, prefix), nil)
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if err != nil {
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return -1, nil
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}
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if padding {
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req.Header.Add("Add-Padding", "true")
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}
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resp, err := c.http.Do(req)
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if err != nil {
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return -1, err
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return -1, err
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}
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defer resp.Body.Close()
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for _, pair := range strings.Split(string(body), "\n") {
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parts := strings.Split(pair, ":")
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if len(parts) != 2 {
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continue
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}
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if strings.EqualFold(suffix, parts[0]) {
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count, err := strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64)
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if err != nil {
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return -1, err
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}
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return int(count), nil
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}
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}
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return 0, nil
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}
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