This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Cross-Origin Resource Sharing. Added header 'Access-Control-Allow-Origin' in response header for iframe data. Can parent page now manipulate iframe's DOM ?

  • 1 பதிலளி
  • 2 இந்த பிரச்னைகள் உள்ளது
  • 1 view
  • Last reply by guigs

binit.00354
binit.00354
more options

Let say, I have a page on domain www.a.b.xyz.com. This page contains an iframe, with data from www.d.xyz.com.

iframe is loaded with data from www.d.xyz.com, by submitting html form to host www.d.xyz.com. In return server www.d.xyz.com is returning HTML DOM to be rendered in iframe. Server also sets header 'Access-Control-Allow-Origin: *.xyz.com' in response.

iframe is loaded with HTML DOM from www.d.xyz.com.

Now, I'm trying to access/manipulate (for eg: Click a button in iframe) DOM from parent page using Javascript. But, I'm not able to do so.

Is it because, 'Access-Control-Allow-Origin: *.xyz.com' just informs browser to show/render the content from www.d.xyz.com on www.a.b.xyz.com, but do not grant permission to parent page to manipulate iframe's DOM ?

I am able to manipulate iframe's DOM from parent, only if I create sub-domain for both parent and iframe- document.domain='xyz.com'; I changed domain using firebug debugger.

Any help will be appreciated.

Let say, I have a page on domain www.a.b.xyz.com. This page contains an iframe, with data from www.d.xyz.com. iframe is loaded with data from www.d.xyz.com, by submitting html form to host www.d.xyz.com. In return server www.d.xyz.com is returning HTML DOM to be rendered in iframe. Server also sets header 'Access-Control-Allow-Origin: *.xyz.com' in response. iframe is loaded with HTML DOM from www.d.xyz.com. Now, I'm trying to access/manipulate (for eg: Click a button in iframe) DOM from parent page using Javascript. But, I'm not able to do so. Is it because, 'Access-Control-Allow-Origin: *.xyz.com' just informs browser to show/render the content from www.d.xyz.com on www.a.b.xyz.com, but do not grant permission to parent page to manipulate iframe's DOM ? I am able to manipulate iframe's DOM from parent, only if I create sub-domain for both parent and iframe- document.domain='xyz.com'; I changed domain using firebug debugger. Any help will be appreciated.

binit.00354 மூலமாக திருத்தப்பட்டது

All Replies (1)

guigs
guigs
more options

It sounds like you are running into this restriction and are looking for a work around: security.fileuri.strict_origin_policy preference, which defaults to true

I am not entirely sure if the subdomain counts a the same origin, but you can try location set. But an even better example: https://developer.mozilla.org/en-US/A.../Cross_Domain_Content_Scripts#Cross-domain_iframes

So your original question: Can parent page now manipulate iframe's DOM ? Sort of.


References: