flamego/recaptcha

Folders and files

Name		Name	Last commit message	Last commit date
Latest commit History 44 Commits
.github		.github
example		example
.editorconfig		.editorconfig
.gitignore		.gitignore
.golangci.yml		.golangci.yml
LICENSE		LICENSE
README.md		README.md
codecov.yml		codecov.yml
go.mod		go.mod
go.sum		go.sum
recaptcha.go		recaptcha.go
recaptcha_test.go		recaptcha_test.go
v2.go		v2.go
v3.go		v3.go

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recaptcha

GitHub Workflow Status GoDoc

Package recaptcha is a middleware that provides reCAPTCHA integration for Flamego.

Installation

go get github.com/flamego/recaptcha

Getting started

<!-- templates/home.tmpl -->
<html>
<head>
 <script src="https://www.google.com/recaptcha/api.js"></script>
</head>
<body>
<script>
 function onSubmit(token) {
 document.getElementById("demo-form").submit();
 }
</script>
<form id="demo-form" method="POST">
 <button class="g-recaptcha"
 data-sitekey="{{.SiteKey}}"
 data-callback='onSubmit'
 data-action='submit'>Submit</button>
</form>
</body>
</html>

package main
import (
	"fmt"
	"net/http"
	"github.com/flamego/flamego"
	"github.com/flamego/recaptcha"
	"github.com/flamego/template"
)
func main() {
	f := flamego.Classic()
	f.Use(template.Templater())
	f.Use(recaptcha.V3(
		recaptcha.Options{
			Secret: "<SECRET>",
			VerifyURL: recaptcha.VerifyURLGoogle,
		},
	))
	f.Get("/", func(t template.Template, data template.Data) {
		data["SiteKey"] = "<SITE KEY>"
		t.HTML(http.StatusOK, "home")
	})
	f.Post("/", func(w http.ResponseWriter, r *http.Request, re recaptcha.RecaptchaV3) {
		token := r.PostFormValue("g-recaptcha-response")
		resp, err := re.Verify(token)
		if err != nil {
			w.WriteHeader(http.StatusBadRequest)
			_, _ = w.Write([]byte(err.Error()))
			return
		} else if !resp.Success {
			w.WriteHeader(http.StatusBadRequest)
			_, _ = w.Write([]byte(fmt.Sprintf("Verification failed, error codes %v", resp.ErrorCodes)))
			return
		}
		w.WriteHeader(http.StatusOK)
		_, _ = w.Write([]byte("Verified!"))
	})
	f.Run()
}