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Add support mCaptcha as captcha provider (#20458)
https://mcaptcha.org/ Co-authored-by: Felipe Leopoldo Sologuren Gutiérrez <[email protected]>
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‎custom/conf/app.example.ini‎

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Original file line numberDiff line numberDiff line change
@@ -698,9 +698,11 @@ ROUTER = console
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;; Enable captcha validation for registration
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;ENABLE_CAPTCHA = false
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;;
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;; Type of captcha you want to use. Options: image, recaptcha, hcaptcha
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;; Type of captcha you want to use. Options: image, recaptcha, hcaptcha, mcaptcha.
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;CAPTCHA_TYPE = image
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;;
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;; Change this to use recaptcha.net or other recaptcha service
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;RECAPTCHA_URL = https://www.google.com/recaptcha/
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;; Enable recaptcha to use Google's recaptcha service
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;; Go to https://www.google.com/recaptcha/admin to sign up for a key
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;RECAPTCHA_SECRET =
@@ -710,8 +712,13 @@ ROUTER = console
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;HCAPTCHA_SECRET =
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;HCAPTCHA_SITEKEY =
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;;
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;; Change this to use recaptcha.net or other recaptcha service
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;RECAPTCHA_URL = https://www.google.com/recaptcha/
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;; Change this to use demo.mcaptcha.org or your self-hosted mcaptcha.org instance.
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;MCAPTCHA_URL = https://demo.mcaptcha.org
717+
;;
718+
;; Go to your configured mCaptcha instance and register a sitekey
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;; and use your account's secret.
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;MCAPTCHA_SECRET =
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;MCAPTCHA_SITEKEY =
715722
;;
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;; Default value for KeepEmailPrivate
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;; Each new user will get the value of this setting copied into their profile

‎docs/content/doc/advanced/config-cheat-sheet.en-us.md‎

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@@ -579,13 +579,16 @@ Certain queues have defaults that override the defaults set in `[queue]` (this o
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provided email rather than a generated email.
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- `ENABLE_CAPTCHA`: **false**: Enable this to use captcha validation for registration.
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- `REQUIRE_EXTERNAL_REGISTRATION_CAPTCHA`: **false**: Enable this to force captcha validation
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even for External Accounts (i.e. GitHub, OpenID Connect, etc). You must `ENABLE_CAPTCHA` also.
583-
- `CAPTCHA_TYPE`: **image**: \[image, recaptcha, hcaptcha\]
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even for External Accounts (i.e. GitHub, OpenID Connect, etc). You also must enable `ENABLE_CAPTCHA`.
583+
- `CAPTCHA_TYPE`: **image**: \[image, recaptcha, hcaptcha, mcaptcha\]
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- `RECAPTCHA_SECRET`: **""**: Go to https://www.google.com/recaptcha/admin to get a secret for recaptcha.
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- `RECAPTCHA_SITEKEY`: **""**: Go to https://www.google.com/recaptcha/admin to get a sitekey for recaptcha.
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- `RECAPTCHA_URL`: **https://www.google.com/recaptcha/**: Set the recaptcha url - allows the use of recaptcha net.
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- `HCAPTCHA_SECRET`: **""**: Sign up at https://www.hcaptcha.com/ to get a secret for hcaptcha.
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- `HCAPTCHA_SITEKEY`: **""**: Sign up at https://www.hcaptcha.com/ to get a sitekey for hcaptcha.
589+
- `MCAPTCHA_SECRET`: **""**: Go to your mCaptcha instance to get a secret for mCaptcha.
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- `MCAPTCHA_SITEKEY`: **""**: Go to your mCaptcha instance to get a sitekey for mCaptcha.
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- `MCAPTCHA_URL` **https://demo.mcaptcha.org/**: Set the mCaptcha URL.
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- `DEFAULT_KEEP_EMAIL_PRIVATE`: **false**: By default set users to keep their email address private.
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- `DEFAULT_ALLOW_CREATE_ORGANIZATION`: **true**: Allow new users to create organizations by default.
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- `DEFAULT_USER_IS_RESTRICTED`: **false**: Give new users restricted permissions by default

‎go.mod‎

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@@ -5,6 +5,7 @@ go 1.18
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require (
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code.gitea.io/gitea-vet v0.2.2-0.20220122151748-48ebc902541b
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code.gitea.io/sdk/gitea v0.15.1
8+
codeberg.org/gusted/mcaptcha v0.0.0-20220722211632-55c1ffff1222
89
gitea.com/go-chi/binding v0.0.0-20220309004920-114340dabecb
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gitea.com/go-chi/cache v0.2.0
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gitea.com/go-chi/captcha v0.0.0-20211013065431-70641c1a35d5

‎go.sum‎

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@@ -62,6 +62,8 @@ code.gitea.io/gitea-vet v0.2.2-0.20220122151748-48ebc902541b/go.mod h1:zcNbT/aJE
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code.gitea.io/sdk/gitea v0.11.3/go.mod h1:z3uwDV/b9Ls47NGukYM9XhnHtqPh/J+t40lsUrR6JDY=
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code.gitea.io/sdk/gitea v0.15.1 h1:WJreC7YYuxbn0UDaPuWIe/mtiNKTvLN8MLkaw71yx/M=
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code.gitea.io/sdk/gitea v0.15.1/go.mod h1:klY2LVI3s3NChzIk/MzMn7G1FHrfU7qd63iSMVoHRBA=
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codeberg.org/gusted/mcaptcha v0.0.0-20220722211632-55c1ffff1222 h1:PCW4i+gnQ9XxF8V+nBch3KWdGe4MiP3xXUCA/z0jhHk=
66+
codeberg.org/gusted/mcaptcha v0.0.0-20220722211632-55c1ffff1222/go.mod h1:IIAjsijsd8q1isWX8MACefDEgTQslQ4stk2AeeTt3kM=
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contrib.go.opencensus.io/exporter/aws v0.0.0-20181029163544-2befc13012d0/go.mod h1:uu1P0UCM/6RbsMrgPa98ll8ZcHM858i/AD06a9aLRCA=
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contrib.go.opencensus.io/exporter/ocagent v0.5.0/go.mod h1:ImxhfLRpxoYiSq891pBrLVhN+qmP8BTVvdH2YLs7Gl0=
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contrib.go.opencensus.io/exporter/stackdriver v0.12.1/go.mod h1:iwB6wGarfphGGe/e5CWqyUk/cLzKnWsOKPVW3no6OTw=

‎modules/mcaptcha/mcaptcha.go‎

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@@ -0,0 +1,27 @@
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
3+
// license that can be found in the LICENSE file.
4+
5+
package mcaptcha
6+
7+
import (
8+
"context"
9+
"fmt"
10+
11+
"code.gitea.io/gitea/modules/setting"
12+
13+
"codeberg.org/gusted/mcaptcha"
14+
)
15+
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func Verify(ctx context.Context, token string) (bool, error) {
17+
valid, err := mcaptcha.Verify(ctx, &mcaptcha.VerifyOpts{
18+
InstanceURL: setting.Service.McaptchaURL,
19+
Sitekey: setting.Service.McaptchaSitekey,
20+
Secret: setting.Service.McaptchaSecret,
21+
Token: token,
22+
})
23+
if err != nil {
24+
return false, fmt.Errorf("wasn't able to verify mCaptcha: %v", err)
25+
}
26+
return valid, nil
27+
}

‎modules/setting/service.go‎

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Original file line numberDiff line numberDiff line change
@@ -47,6 +47,9 @@ var Service = struct {
4747
RecaptchaURL string
4848
HcaptchaSecret string
4949
HcaptchaSitekey string
50+
McaptchaSecret string
51+
McaptchaSitekey string
52+
McaptchaURL string
5053
DefaultKeepEmailPrivate bool
5154
DefaultAllowCreateOrganization bool
5255
DefaultUserIsRestricted bool
@@ -133,6 +136,9 @@ func newService() {
133136
Service.RecaptchaURL = sec.Key("RECAPTCHA_URL").MustString("https://www.google.com/recaptcha/")
134137
Service.HcaptchaSecret = sec.Key("HCAPTCHA_SECRET").MustString("")
135138
Service.HcaptchaSitekey = sec.Key("HCAPTCHA_SITEKEY").MustString("")
139+
Service.McaptchaURL = sec.Key("MCAPTCHA_URL").MustString("https://demo.mcaptcha.org/")
140+
Service.McaptchaSecret = sec.Key("MCAPTCHA_SECRET").MustString("")
141+
Service.McaptchaSitekey = sec.Key("MCAPTCHA_SITEKEY").MustString("")
136142
Service.DefaultKeepEmailPrivate = sec.Key("DEFAULT_KEEP_EMAIL_PRIVATE").MustBool()
137143
Service.DefaultAllowCreateOrganization = sec.Key("DEFAULT_ALLOW_CREATE_ORGANIZATION").MustBool(true)
138144
Service.DefaultUserIsRestricted = sec.Key("DEFAULT_USER_IS_RESTRICTED").MustBool(false)

‎modules/setting/setting.go‎

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@@ -59,6 +59,7 @@ const (
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ImageCaptcha = "image"
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ReCaptcha = "recaptcha"
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HCaptcha = "hcaptcha"
62+
MCaptcha = "mcaptcha"
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)
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// settings

‎package-lock.json‎

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‎package.json‎

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@@ -8,6 +8,7 @@
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},
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"dependencies": {
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"@claviska/jquery-minicolors": "2.3.6",
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"@mcaptcha/vanilla-glue": "0.1.0-alpha-2",
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"@primer/octicons": "17.4.0",
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"add-asset-webpack-plugin": "2.0.1",
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"css-loader": "6.7.1",

‎routers/web/auth/auth.go‎

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@@ -18,6 +18,7 @@ import (
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"code.gitea.io/gitea/modules/eventsource"
1919
"code.gitea.io/gitea/modules/hcaptcha"
2020
"code.gitea.io/gitea/modules/log"
21+
"code.gitea.io/gitea/modules/mcaptcha"
2122
"code.gitea.io/gitea/modules/password"
2223
"code.gitea.io/gitea/modules/recaptcha"
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"code.gitea.io/gitea/modules/session"
@@ -414,6 +415,8 @@ func SignUp(ctx *context.Context) {
414415
ctx.Data["CaptchaType"] = setting.Service.CaptchaType
415416
ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
416417
ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
418+
ctx.Data["McaptchaSitekey"] = setting.Service.McaptchaSitekey
419+
ctx.Data["McaptchaURL"] = setting.Service.McaptchaURL
417420
ctx.Data["PageIsSignUp"] = true
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419422
// Show Disabled Registration message if DisableRegistration or AllowOnlyExternalRegistration options are true
@@ -435,6 +438,8 @@ func SignUpPost(ctx *context.Context) {
435438
ctx.Data["CaptchaType"] = setting.Service.CaptchaType
436439
ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
437440
ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
441+
ctx.Data["McaptchaSitekey"] = setting.Service.McaptchaSitekey
442+
ctx.Data["McaptchaURL"] = setting.Service.McaptchaURL
438443
ctx.Data["PageIsSignUp"] = true
439444

440445
// Permission denied if DisableRegistration or AllowOnlyExternalRegistration options are true
@@ -458,6 +463,8 @@ func SignUpPost(ctx *context.Context) {
458463
valid, err = recaptcha.Verify(ctx, form.GRecaptchaResponse)
459464
case setting.HCaptcha:
460465
valid, err = hcaptcha.Verify(ctx, form.HcaptchaResponse)
466+
case setting.MCaptcha:
467+
valid, err = mcaptcha.Verify(ctx, form.McaptchaResponse)
461468
default:
462469
ctx.ServerError("Unknown Captcha Type", fmt.Errorf("Unknown Captcha Type: %s", setting.Service.CaptchaType))
463470
return

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