Add a maximum feed size #906
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tadzik
suggested changes
Apr 4, 2024
tests/FeedReader.spec.ts
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| const items = await storage.hasSeenFeedGuids(feedUrl, ...expectedHash); | ||
| expect(items).to.deep.equal(expectedHash); | ||
| }); | ||
| it.only("should fail to handle a feed which exceed the maximum size.", async () => { |
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Focused test!
We could probably use the "no focused tests" eslint rule.
tests/FeedReader.spec.ts
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| it.only("should fail to handle a feed which exceed the maximum size.", async () => { | ||
| const { feedReader, feedUrl } = await constructFeedReader(() => ({ | ||
| headers: { | ||
| 'Content-Length': Math.pow(1024, 2).toString(), |
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Hm, isn't this exactly 1 megabyte? This should not be failing.
tadzik
approved these changes
May 16, 2024
| }, | ||
| Ok(body) => { | ||
| // Check if we only got the length after loading the response. | ||
| match body.len() as u64 <= max_content_size { |
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Minor: I'd just write it as if body.len() as u64 <= max_content_size {..., since if is also an expression in Rust. match kinda makes it seems like there's more to it than that.
| <guid isPermaLink="true">http://www.example.com/blog/post/${i}</guid> | ||
| </item>`).join('')} | ||
| </channel> | ||
| </rss>`; |
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Note: this is fine, measuring at 1.2 MB. If we wanted to be extra careful, we could do an assert checking if it's longer than 1024*1024.
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This prevents massive feeds from potentially clogging up Hookshot. Some RSS/ATOM feeds are horribly maintained and just list every entry ever, so we've set a "sensible limit" of 25MB.