Tickets :: Comment on [#10749] POST full text of the web page being bookmarked with the bookmarklet

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Comment	> To avoid not being able to save full content for the web page being > bookmarked if it's password protected, grab it with javascript and > send it along to trean. From > http://www.randsinrepose.com/archives/2011/01/25/interview_marco_arment.html: > What part of Instapaper's infrastructure are you most proud of? > > The bookmarklet has a mechanism to save pages from sites that require > logins for full content, such as the Wall Street Journal and > Harper's, by sending a copy of the page's HTML from the customer's > browser to the server. It's like automating the "Save as..." menu > item: if you have your own account for these sites and can see the > page in your browser, you can save it to Instapaper. > > The way it does this is ridiculous: instead of calling a simple GET > request to save the page, since an entire page's contents would > quickly overrun any URL-length limits in the stack, it injects a FORM > with a POST action and populates a hidden value with the page > contents. > > But form-data requests from browsers aren't Gzip-compressed, so the > resulting data is huge and needs to be sent over people's (often > slow, often mobile) upstream connections. So I found an open-source > DEFLATE implementation in Javascript - really - and the bookmarklet > compresses the page data right there in the browser before sending it. > > The whole procedure is hideously complex, but works incredibly well.
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