A package for handling reCaptcha (http://www.google.com/recaptcha) form submissions in Go (http://golang.org/).
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README.md

go-recaptcha

About

This package handles reCaptcha (API version 2.0) form submissions in Go.

Usage

Install the package in your environment:

go get github.com/dpapathanasiou/go-recaptcha

To use it within your own code, import github.com/dpapathanasiou/go-recaptcha and call:

recaptcha.Init (recaptchaPrivateKey)

once, to set the reCaptcha private key for your domain, then:

recaptcha.Confirm (clientIpAddress, recaptchaResponse)

for each reCaptcha form input you need to check, using the values obtained by reading the form's POST parameters (the recaptchaResponse in the above corresponds to the value of g-recaptcha-response sent by the reCaptcha server.)

The recaptcha.Confirm() function returns either true (i.e., the captcha was completed correctly) or false, along with any errors (from the HTTP io read or the attempt to unmarshal the JSON reply).

Usage Example

Included with this repo is example.go, a simple HTTP server which creates the reCaptcha form and tests the input.

See the instructions for running the example for more details.

Donate

If you find this work useful, please consider making a donation:

Bitcoin Donate 14TM4ADKJbaGEi8Qr8dh4KfPBQmjTshkZ2

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