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    <p>You can't circumvent cross-domain origin with XHR (well, only in Firefox 3.5 with user's permission, not a good solution). Technically, moving from port 80 (http) to 443 (https) is breaking that policy (must be same domain and port). This is the example the specification itself sites here - <a href="http://www.w3.org/Security/wiki/Same_Origin_Policy#General_Principles" rel="nofollow noreferrer">http://www.w3.org/Security/wiki/Same_Origin_Policy#General_Principles</a>.</p> <p>Have you looked into JSONP (<a href="http://en.wikipedia.org/wiki/JSON#JSONP" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/JSON#JSONP</a>) or CSSHttpRequests (<a href="http://nb.io/hacks/csshttprequest" rel="nofollow noreferrer">http://nb.io/hacks/csshttprequest</a>)?</p> <p>JSONP is a way to add a <code>&lt;script&gt;</code> tag to a page with a pre-defined global callback across domains (as you can put the <code>&lt;script&gt;</code>s <code>src</code> to anywhere on the web). Example:</p> <pre><code>&lt;script&gt; function globalCallback (a) { /* do stuff with a */ } </code></pre> <p>And then you insert a <code>&lt;script&gt;</code> tag to your other domain, like so:</p> <pre><code> var jsonp = document.createElement('script'); json.setAttribute('src','http://path.to/my/script'); document.body.appendChild(jsonp); &lt;/script&gt; </code></pre> <p>And in the source of the external script, you must call the <code>globalCallback</code> function with the data you want to pass to it, like this:</p> <pre><code> globalCallback({"big":{"phat":"object"}}); </code></pre> <p>And you'll get the data you want after that script executes!</p> <p>CSSHttpRequests is a bit more of a hack, so I've never had the need to use it, though feel free to give it a try if you don't like JSONP, :).</p>
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    1. POsecure xmlhttprequest from nonsecure page
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    1. USDan Beam
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    1. COok, but {big {phat object}} is defined in the external script. no way to pass in data, is there?
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    2. COwhen you call the `globalCallback` it's passing it to the originating page's function ... "pass[ing] in data"
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    3. COreturning it to the originating page. I want to pass data to the remote script without putting it in the url.
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