Rewrite multipart boundary detection#7728
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earlephilhower merged 3 commits intoesp8266:masterfrom Nov 29, 2020
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Use a simpler, cleaner implementation of multipart form detection as defined in https://tools.ietf.org/html/rfc7578 . Implements a simple state machine that detects the \r\n--<boundary> stream in input a character at a time, instead of buffering and comparing in chunks which can miss things due to alignment issues and which also had a problem with replacing characters in a binary stream. Fixes esp8266#7723
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Author
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@luc-github can you please test this with your failing forms and report back? Using FSBrowser and your binaries, it works correctly, but I don't have any other handy multipart form apps to test against. |
Contributor
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ok I will test when back home and report results thank you |
Contributor
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I can confirm the PR fix the issue - I have tested with my application ESP3D and now index.html.gz is properly expanded after upload - which confirm no more corruption during upload Thank you for the fix |
d-a-v
reviewed
Nov 28, 2020
Adjust the private _uploadReadByte function to return -1 on error (like a read()), and the main file upload handler to use that return value instead of duplicating logic.
d-a-v
approved these changes
Nov 28, 2020
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Use a simpler, cleaner implementation of multipart form detection as
defined in https://tools.ietf.org/html/rfc7578 .
Implements a simple state machine that detects the
\r\n--<boundary>stream in input a character at a time, instead of buffering and
comparing in chunks which can miss things due to alignment issues and
which also had a problem with replacing characters in a binary stream.
Fixes #7723