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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package context
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import (
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"fmt"
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"image/color"
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"sync"
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"github.com/hanzoai/git/modules/cache"
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"github.com/hanzoai/git/modules/hcaptcha"
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"github.com/hanzoai/git/modules/log"
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"github.com/hanzoai/git/modules/mcaptcha"
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"github.com/hanzoai/git/modules/recaptcha"
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"github.com/hanzoai/git/modules/setting"
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"github.com/hanzoai/git/modules/templates"
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"github.com/hanzoai/git/modules/turnstile"
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"github.com/hanzoai/git/modules/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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// Use a color palette with high contrast colors suitable for both light and dark modes
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// These colors provide good visibility and readability in both themes
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ColorPalette: color.Palette{
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color.RGBA{R: 234, G: 67, B: 53, A: 255}, // Bright red
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color.RGBA{R: 66, G: 133, B: 244, A: 255}, // Medium blue
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color.RGBA{R: 52, G: 168, B: 83, A: 255}, // Green
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color.RGBA{R: 251, G: 188, B: 5, A: 255}, // Yellow/gold
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color.RGBA{R: 171, G: 71, B: 188, A: 255}, // Purple
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},
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})
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cpt.Store = cache.GetCache().ChiCache()
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})
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return cpt
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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 = "mcaptcha__token" // this form key is hard-coded in the mcaptcha frontend library
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cfTurnstileResponseField = "cf-turnstile-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 templates.TplName, form any) {
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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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case setting.CfTurnstile:
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valid, err = turnstile.Verify(ctx, ctx.Req.Form.Get(cfTurnstileResponseField))
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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("Captcha Verify failed: %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.RenderWithErrDeprecated(ctx.Tr("form.captcha_incorrect"), tpl, form)
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}
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}
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