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parse_boundary does not support quoted strings #64

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Geal opened this issue Sep 17, 2024 · 0 comments

Geal commented Sep 17, 2024

It is possible to get a header with this format: content-type: multipart/mixed;boundary="test";deferSpec=20220824
Specified as parameters in field values: https://httpwg.org/specs/rfc9110.html#rfc.section.5.6.6

The current code in parse boundary does not remove the quotes:

multer/src/lib.rs

Lines 178 to 180 in 09cc730

    
           m.get_param(mime::BOUNDARY) 
        
               .map(|name| name.as_str().to_owned()) 
        
               .ok_or(Error::NoBoundary)

So we get an incomplete multipart stream error because multer is looking for the boundary with quotes

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