Show HN: This page exists only if someone is looking at it

Re:Show HN: This page exists only if someone is looking at it by femto on Tuesday May 12, 2015 @09:15PM (#9536109)

I just used firebug to alter the page in my browser. I changed the first heading from "This page exists only if someone is looking at it" to "What happens if I use Firebug to alter this page in-situ. Do I end up with malware?".

Will this change propagate? Has anyone yet seen this modified page in their own browser?

Edit:

From the original page: "The server double checks the hash of the content it gets and then passes it along to the new person." I guess the answer is that the change won't propagate?

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Re:Show HN: This page exists only if someone is looking at it by losvedir on Tuesday May 12, 2015 @09:54PM (#9536271)

Correct, the change won't propagate for the reasons you say. (See source [0]). Also, though, note that the content comes to you as a blob of JSON, which gets rendered into your page, and you respond to future content requests with that blob of JSON, rather than the HTML itself.

[0] https://github.com/losvedir/ephemeral2/blob/master/web/chann...

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Re:Show HN: This page exists only if someone is looking at it by femto on Tuesday May 12, 2015 @10:11PM (#9536344)

Thanks for the explanation.

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