1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package context
import (
"fmt"
"sync"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/hcaptcha"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/mcaptcha"
"code.gitea.io/gitea/modules/recaptcha"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/turnstile"
mc "code.forgejo.org/go-chi/cache"
"code.forgejo.org/go-chi/captcha"
)
var (
imageCaptchaOnce sync.Once
imageCachePrefix = "captcha:"
)
type imageCaptchaStore struct {
c mc.Cache
}
func (c *imageCaptchaStore) Set(id string, digits []byte) {
if err := c.c.Put(imageCachePrefix+id, string(digits), int64(captcha.Expiration.Seconds())); err != nil {
log.Error("Couldn't store captcha cache for %q: %v", id, err)
}
}
func (c *imageCaptchaStore) Get(id string, clear bool) (digits []byte) {
val, ok := c.c.Get(imageCachePrefix + id).(string)
if !ok {
return digits
}
if clear {
if err := c.c.Delete(imageCachePrefix + id); err != nil {
log.Error("Couldn't delete captcha cache for %q: %v", id, err)
}
}
return []byte(val)
}
// GetImageCaptcha returns image captcha ID.
func GetImageCaptcha() string {
imageCaptchaOnce.Do(func() {
captcha.SetCustomStore(&imageCaptchaStore{c: cache.GetCache()})
})
return captcha.New()
}
// SetCaptchaData sets common captcha data
func SetCaptchaData(ctx *Context) {
if !setting.Service.EnableCaptcha {
return
}
ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
ctx.Data["RecaptchaURL"] = setting.Service.RecaptchaURL
ctx.Data["Captcha"] = GetImageCaptcha()
ctx.Data["CaptchaType"] = setting.Service.CaptchaType
ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
ctx.Data["McaptchaSitekey"] = setting.Service.McaptchaSitekey
ctx.Data["McaptchaURL"] = setting.Service.McaptchaURL
ctx.Data["CfTurnstileSitekey"] = setting.Service.CfTurnstileSitekey
}
const (
imgCaptchaIDField = "img-captcha-id"
imgCaptchaResponseField = "img-captcha-response"
gRecaptchaResponseField = "g-recaptcha-response"
hCaptchaResponseField = "h-captcha-response"
mCaptchaResponseField = "m-captcha-response"
cfTurnstileResponseField = "cf-turnstile-response"
)
// VerifyCaptcha verifies Captcha data
// No-op if captchas are not enabled
func VerifyCaptcha(ctx *Context, tpl base.TplName, form any) {
if !setting.Service.EnableCaptcha {
return
}
var valid bool
var err error
switch setting.Service.CaptchaType {
case setting.ImageCaptcha:
valid = captcha.VerifyString(ctx.Req.Form.Get(imgCaptchaIDField), ctx.Req.Form.Get(imgCaptchaResponseField))
case setting.ReCaptcha:
valid, err = recaptcha.Verify(ctx, ctx.Req.Form.Get(gRecaptchaResponseField))
case setting.HCaptcha:
valid, err = hcaptcha.Verify(ctx, ctx.Req.Form.Get(hCaptchaResponseField))
case setting.MCaptcha:
valid, err = mcaptcha.Verify(ctx, ctx.Req.Form.Get(mCaptchaResponseField))
case setting.CfTurnstile:
valid, err = turnstile.Verify(ctx, ctx.Req.Form.Get(cfTurnstileResponseField))
default:
ctx.ServerError("Unknown Captcha Type", fmt.Errorf("unknown Captcha Type: %s", setting.Service.CaptchaType))
return
}
if err != nil {
log.Debug("Captcha Verify failed: %v", err)
}
if !valid {
ctx.Data["Err_Captcha"] = true
ctx.RenderWithErr(ctx.Tr("form.captcha_incorrect"), tpl, form)
}
}
|
