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2010-10-17T09:03:32.083
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The first thing I'd try is forget about libraries and try to understand what's happening in the context of a subscriber exactly. It should be really really straightforward to build a script that handles all this together. A subscriber application must do 2 things : <ul> <li>Acknowledge the susbcription : the hub will verify the intent of the susbcriber. It's a GET request</li> <li>Deal with incoming pings. It's a POST request.</li> </ul> So let's start : <ol> <li>Put a script somewhere on the web (it must be accessible from behind a firewall) which must be bale to handle to GET requests from the hub. Make sure it only echoes the <code>hub.challenge</code> param that it gets in the response's body and returns 200.</li> <li>Send the following from your command line : <code>curl -X POST <a href="http://pubsubhubbub.appspot.com/" rel="nofollow">http://pubsubhubbub.appspot.com/</a> -d'hub.mode=subscribe' -d'hub.verify=sync' -d'hub.topic=http://the.feed.url' -d'hub.callback=http://the.script.url' -D-</code></li> <li>You should see an incoming verification request on the script. Ideally (if you followed step 1, it should echo the hub.challenge and return a 200.</li> </ol> If this was all fine the curl request that you send should tell you that the hub returned a 204. If you get anything else, check the body of the response, it will indicate you what went wrong. Later... <ol> <li>Your script will get a POST request. This is a notification of new content!</li> <li>Parse the raw body (XML) of this POST request, it contains the feed, only with the new entries. </li> <li>Do whatever needs to be done with the parsed content (save into a database... etc).</li> </ol> I hope this helps. You can <a href="https://pubsubhubbub.appspot.com/subscribe" rel="nofollow">also use this tool</a> to debug your subscription of you need help.
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1. POHow do I use the subscriber option?
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1. USJulien Genestoux
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