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PORead Local Registry with Browser Based Javascript - Google Desktop API
 

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  1. PORead Local Registry with Browser Based Javascript - Google Desktop API
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    <p>Can I use javascript in a Google Chrome packaged app (a.k.a. browser extension) to read a user's local registry key (i.e. stored query url, a.k.a. the <em><code>search_url</code> key</em> for Google Desktop)? If so, some example code to access this would be much appreciated!</p> <h2>Background / Detail</h2> <p>I am trying to write a browser plugin which opens up the users Google Desktop homepage in their Chrome browser. The url is: <code>http://127.0.0.1:4664/&amp;s={search_url key}</code></p> <p>According to the Google Desktop API docs, this can be accomplished by using the <a href="http://code.google.com/apis/desktop/docs/queryapi.html#httpxml" rel="nofollow">HTTP/XML-Based Query API</a>. I'm hoping that there is an HTML5 specification (e.g. File API) which provides a standard procedure to read local files, given the users permission. </p> <p>In order to do this, I need read access for the local <em><code>search_url</code> key</em>. Depending on the user's OS, the API doc offers two possible local file locations that contain the <em><code>search_url</code> key</em>:</p> <p><strong>Windows</strong></p> <pre><code>HKEY_CURRENT_USER\Software\Google\Google Desktop\API\search_url </code></pre> <p><strong>Mac OS X</strong></p> <pre><code>CFStringRef val = CFPreferencesCopyValue( CFSTR("search_url"), CFSTR("com.google.Desktop.WebServer"), kCFPreferencesCurrentUser, kCFPreferencesAnyHost); if (val) { // act on the value CFRelease(val); } </code></pre> <h2>Alternative Approach for Windows OS</h2> <p>Apparently, NPAPI (http://code.google.com/chrome/extensions/npapi.html) allows a Chrome app to run a dll in Windows, but I'm not very familiar with the Windows API or VB and would like to avoid using them, if possible.</p>
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    1. CODo you realize the sheer magnitude of the security hole you're asking for?
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    2. COThank you for the response SLaks. I understand that there are risks and I realized that I mis-worded my question (changed from web app to browser plugin). Given that this is a client side browser plugin, can't a user permit read access? In addition, this is only required for a specific file path. Is the fact that it's in the registry raising a red flag?
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    3. COFound this related article about HTML5 File API, but looks like a user must actively provide file path: http://www.html5rocks.com/tutorials/file/dndfiles/#toc-selecting-files
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