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68e934ab5d
Enable this to require captcha validation for user login. You also must enable `ENABLE_CAPTCHA`. Summary: - Consolidate CAPTCHA template - add CAPTCHA handle and context - add `REQUIRE_CAPTCHA_FOR_LOGIN` config and docs - Consolidate CAPTCHA set-up and verification code Partially resolved #6049 Signed-off-by: Xinyu Zhou <i@sourcehut.net> Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Andrew Thornton <art27@cantab.net>
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package context
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import (
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"fmt"
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"sync"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/cache"
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"code.gitea.io/gitea/modules/hcaptcha"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/mcaptcha"
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"code.gitea.io/gitea/modules/recaptcha"
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"code.gitea.io/gitea/modules/setting"
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"gitea.com/go-chi/captcha"
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)
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var (
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imageCaptchaOnce sync.Once
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cpt *captcha.Captcha
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)
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// GetImageCaptcha returns global image captcha
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func GetImageCaptcha() *captcha.Captcha {
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imageCaptchaOnce.Do(func() {
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cpt = captcha.NewCaptcha(captcha.Options{
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SubURL: setting.AppSubURL,
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})
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cpt.Store = cache.GetCache()
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})
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return cpt
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}
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// SetCaptchaData sets common captcha data
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func SetCaptchaData(ctx *Context) {
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if !setting.Service.EnableCaptcha {
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return
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}
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ctx.Data["EnableCaptcha"] = setting.Service.EnableCaptcha
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ctx.Data["RecaptchaURL"] = setting.Service.RecaptchaURL
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ctx.Data["Captcha"] = GetImageCaptcha()
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ctx.Data["CaptchaType"] = setting.Service.CaptchaType
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ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
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ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
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ctx.Data["McaptchaSitekey"] = setting.Service.McaptchaSitekey
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ctx.Data["McaptchaURL"] = setting.Service.McaptchaURL
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}
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const (
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gRecaptchaResponseField = "g-recaptcha-response"
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hCaptchaResponseField = "h-captcha-response"
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mCaptchaResponseField = "m-captcha-response"
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)
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// VerifyCaptcha verifies Captcha data
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// No-op if captchas are not enabled
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func VerifyCaptcha(ctx *Context, tpl base.TplName, form interface{}) {
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if !setting.Service.EnableCaptcha {
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return
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}
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var valid bool
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var err error
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switch setting.Service.CaptchaType {
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case setting.ImageCaptcha:
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valid = GetImageCaptcha().VerifyReq(ctx.Req)
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case setting.ReCaptcha:
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valid, err = recaptcha.Verify(ctx, ctx.Req.Form.Get(gRecaptchaResponseField))
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case setting.HCaptcha:
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valid, err = hcaptcha.Verify(ctx, ctx.Req.Form.Get(hCaptchaResponseField))
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case setting.MCaptcha:
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valid, err = mcaptcha.Verify(ctx, ctx.Req.Form.Get(mCaptchaResponseField))
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default:
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ctx.ServerError("Unknown Captcha Type", fmt.Errorf("Unknown Captcha Type: %s", setting.Service.CaptchaType))
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return
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}
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if err != nil {
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log.Debug("%v", err)
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}
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if !valid {
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ctx.Data["Err_Captcha"] = true
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ctx.RenderWithErr(ctx.Tr("form.captcha_incorrect"), tpl, form)
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}
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}
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