|
|
|
|
@ -1,8 +1,8 @@
|
|
|
|
|
<img src="https://source.netsyms.com/Netsyms/Captcheck/raw/master/logo.png" alt="Captcheck" style="max-width: 50%;" />
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Easy, light, self-hostable CAPTCHA service. Works on modern browsers (and
|
|
|
|
|
IE9+). Uses a selection of icons from Font-Awesome. Text-only accessibility
|
|
|
|
|
Easy, light, self-hostable CAPTCHA service. Works on modern browsers (and
|
|
|
|
|
IE9+). Uses a selection of icons from Font-Awesome. Text-only accessibility
|
|
|
|
|
mode and support for keyboard-only operation.
|
|
|
|
|
|
|
|
|
|
Thanks to textcaptcha.com for supplying the data for the text CAPTCHA.
|
|
|
|
|
@ -10,7 +10,7 @@ Thanks to textcaptcha.com for supplying the data for the text CAPTCHA.
|
|
|
|
|
How to use
|
|
|
|
|
----------
|
|
|
|
|
|
|
|
|
|
In your form, put an empty div with the class "captcheck_container".
|
|
|
|
|
In your form, put an empty div with the class "captcheck_container".
|
|
|
|
|
Add `captcheck.js` (or `captcheck.dist.js`) into your page.
|
|
|
|
|
|
|
|
|
|
<!DOCTYPE html>
|
|
|
|
|
@ -31,22 +31,28 @@ Add `captcheck.js` (or `captcheck.dist.js`) into your page.
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
|
|
|
|
|
When the form is submitted, your server will receive two extra form fields:
|
|
|
|
|
When the form is submitted, your server will receive two extra form fields:
|
|
|
|
|
`captcheck_session_code` and `captcheck_selected_answer`.
|
|
|
|
|
In your form handling code, send a request to `http(s)://captcheck-url/api.php`.
|
|
|
|
|
Pass the variables `session_id` and `answer_id` with the values sent with the form,
|
|
|
|
|
and also pass the variable `action` with the value `verify`.
|
|
|
|
|
You will receive a JSON response with (among other things) `"result": true` or
|
|
|
|
|
`"result": false`. If result is false, the user failed the test, and another
|
|
|
|
|
In your form handling code, send a request to `http(s)://captcheck-url/api.php`.
|
|
|
|
|
Pass the variables `session_id` and `answer_id` with the values sent with the form,
|
|
|
|
|
and also pass the variable `action` with the value `verify`.
|
|
|
|
|
You will receive a JSON response with (among other things) `"result": true` or
|
|
|
|
|
`"result": false`. If result is false, the user failed the test, and another
|
|
|
|
|
variable `msg` is available with an explanation.
|
|
|
|
|
|
|
|
|
|
Example URL:
|
|
|
|
|
Example URL:
|
|
|
|
|
`http(s)://captcheck-url/api.php?action=verify&session_id=<captcheck_session_code>&answer_id=<captcheck_selected_answer>`
|
|
|
|
|
|
|
|
|
|
Example responses:
|
|
|
|
|
`{"session":"some_session_id","result":true}`
|
|
|
|
|
Example responses:
|
|
|
|
|
`{"session":"some_session_id","result":true}`
|
|
|
|
|
`{"session":"some_session_id","result":false,"msg":"Answer incorrect."}`
|
|
|
|
|
|
|
|
|
|
###Content-Security-Policy and Nonces
|
|
|
|
|
|
|
|
|
|
Add `data-stylenonce="nonce_here"` to the `.captcheck_container` div.
|
|
|
|
|
If you have multiple CAPTCHAs on one page, only one of them needs the nonce
|
|
|
|
|
specified.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Installation
|
|
|
|
|
------------
|
|
|
|
|
@ -61,7 +67,7 @@ Installation
|
|
|
|
|
Execution Flow
|
|
|
|
|
--------------
|
|
|
|
|
|
|
|
|
|
JS = captcheck.js, API = api.php, FORM = parent form,
|
|
|
|
|
JS = captcheck.js, API = api.php, FORM = parent form,
|
|
|
|
|
SITE = form processing code, -> = some action taken on the right by the left
|
|
|
|
|
|
|
|
|
|
JS -> API: Request session ID, question, and answers (with scrambled random codes)
|
|
|
|
|
|
