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Unexpected default maxBodyLength enforcement by follow-redirects #4263

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mhassan1 opened this issue Nov 13, 2021 · 1 comment · Fixed by #4731
Closed

Unexpected default maxBodyLength enforcement by follow-redirects #4263

mhassan1 opened this issue Nov 13, 2021 · 1 comment · Fixed by #4731

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@mhassan1
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Describe the bug

As part of the upgrade of follow-redirects in #2689, a default maxBodyLength of 10MB began to be enforced (previously, there was no request payload limit). There are a few issues with this:

  1. The default limit is not mentioned in the axios documentation
  2. This change in defaults is not included as a breaking change in the axios changelog
  3. The default is unlimited when maxRedirects = 0

To Reproduce

axios.post('/size', 'x'.repeat(1e8))
// -> Error: Request body larger than maxBodyLength limit

axios.post('/size', 'x'.repeat(1e8), { maxBodyLength: -1 })
// -> Error: Request body larger than maxBodyLength limit

axios.post('/size', 'x'.repeat(1e8), { maxRedirects: 0 })
// -> OK

axios.post('/size', 'x'.repeat(1e8), { maxBodyLength: Infinity })
// -> OK

Expected behavior

The default maxBodyLength should be consistent and documented, regardless of the value of maxRedirects.

Environment

  • Axios Version: 0.24.0
  • Adapter: HTTP
  • Browser: N/A
  • Browser Version: N/A
  • Node.js Version: 16.13.0
  • OS: OS X 11.6
  • Additional Library Versions: N/A

Additional context/Screenshots

This is related to #3786, although I don't think that PR goes far enough to correct the inconsistent behavior.

@mitsos1os
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mitsos1os commented May 19, 2022

This bug is still valid.

Axios only passes down maxBodyLength configuration to follow-redirects when it has a value greater than -1 here

This results to follow-redirects using its default 10mb limit set here, when axios default (which is supposed to be unlimited) -1 value used

There has to be a correction for the default case, where if axios limit is set to -1 then Infinity should be passed to follow-redirects to have similar behavior in its checking logic here

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2 participants