The google recapcha allows for a javascript callback to be run on recaptcha completion, by passing the name of a javascript function in an tag attribute name `data-callback`. However, the recaptcha module contains no configuration option for this.

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#2 data-callback.patch2.11 KBslefevre1
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slefevre1 created an issue. See original summary.

slefevre1’s picture

slefevre1 CreditAttribution: slefevre1 commented
FileSize
data-callback.patch2.11 KB

This patch creates an admin text box to specify a javascript callback.

hass’s picture

hass CreditAttribution: hass commented
Status: Active » Closed (duplicate)
Parent issue: » #2822129: No option for data-callback

That patch looks like a serious security problem.

ianwensink’s picture

ianwensink CreditAttribution: ianwensink commented

Hi hass,

I am coming across the issue where the page scrolls down after verification on iOS10. This issue can be 'resolved' by adding a javascript callback, where you scroll back up.

The patch #2 provided by the reporter seems perfect, and not like a security risk. Can you please tell me where I'm wrong there?

Besides, the issue is not really a duplicate, since that other issue is for Drupal8.

Thanks,
Ian Wensink