If I install reCAPTCHA and set it to be used by a form but I do not configure reCAPTCHA, any page which should contain the reCAPTCHA is blank except for this message:

To use reCAPTCHA you must get an API key from https://www.google.com/recaptcha/admin/create

This has the potential to completely break a web site. If reCAPTCHA is not configured, Drupal should behave as if there is no CAPTCHA configured or perhaps fall-back to a default CAPTCHA.

(I wonder what happens if reCAPTCHA is properly configured, but the reCAPTCHA servers go down or are inaccessible. Does that also trigger a similar problem?)


Liam Morland’s picture

Status:Active» Needs review
2.37 KB

The reCAPTCHA module calls die() when not configured. The attached patch causes it to instead display a message and always behave as if the CAPTCHA was valid. In other words, having reCAPTCHA unconfigured will not break your site.

Liam Morland’s picture

Going through the code some more, I have come up with a much better solution. This one only changes recaptcha.module and causes CAPTCHA to fallback to the built-in math CAPTCHA when reCAPTCHA is not configured.

Liam Morland’s picture

I must be having a slow day. Here is a simpler, better patch that implements the fallback to math.

RobLoach’s picture

Status:Needs review» Reviewed & tested by the community

Thanks! Looks good! Mind committing this it? :-)

RobLoach’s picture

Assigned:Unassigned» Liam Morland
Liam Morland’s picture

Status:Reviewed & tested by the community» Fixed

Fixed in e1515c0.

Liam Morland’s picture

Version:7.x-1.x-dev» 6.x-1.x-dev
Status:Fixed» Patch (to be ported)
Liam Morland’s picture

Assigned:Liam Morland» Unassigned
Liam Morland’s picture

  • Liam Morland committed e1515c0 on 7.x-1.x, 7.x-2.x
    Issue #1681746: Fallback to Math if reCAPTCHA is not configured.

  • Liam Morland committed e1515c0 on 8.x-2.x
    Issue #1681746: Fallback to Math if reCAPTCHA is not configured.

  • Liam Morland committed e1515c0 on 6.x-2.x
    Issue #1681746: Fallback to Math if reCAPTCHA is not configured.
hass’s picture

Issue summary:View changes
Status:Patch (to be ported)» Fixed

  • hass committed 8ab3aad on 6.x-1.x authored by Liam Morland
    Issue #1681746 by Liam Morland: Page is blank when reCAPTCHA not...

Status:Fixed» Closed (fixed)

Automatically closed - issue fixed for 2 weeks with no activity.