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Fix:Sanitize filename to remove line breaks and check filename length is not too long #663

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advplyr 2022-06-01 20:14:10 -05:00
parent 36bd6e649a
commit c3b33ea37a
3 changed files with 43 additions and 13 deletions
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26
server/utils/fileUtils.js
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@ -181,19 +181,33 @@ module.exports.sanitizeFilename = (filename, colonReplacement = ' - ') => {
return false
}
// Max is actually 255-260 for windows but this leaves padding incase ext wasnt put on yet
const MAX_FILENAME_LEN = 240
var replacement = ''
var illegalRe = /[\/\?<>\\:\*\|"]/g;
var controlRe = /[\x00-\x1f\x80-\x9f]/g;
var reservedRe = /^\.+$/;
var windowsReservedRe = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i;
var windowsTrailingRe = /[\. ]+$/;
var illegalRe = /[\/\?<>\\:\*\|"]/g
var controlRe = /[\x00-\x1f\x80-\x9f]/g
var reservedRe = /^\.+$/
var windowsReservedRe = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i
var windowsTrailingRe = /[\. ]+$/
var lineBreaks = /[\n\r]/g
sanitized = filename
.replace(':', colonReplacement) // Replace first occurrence of a colon
.replace(illegalRe, replacement)
.replace(controlRe, replacement)
.replace(reservedRe, replacement)
.replace(lineBreaks, replacement)
.replace(windowsReservedRe, replacement)
.replace(windowsTrailingRe, replacement);
.replace(windowsTrailingRe, replacement)
if (sanitized.length > MAX_FILENAME_LEN) {
var lenToRemove = sanitized.length - MAX_FILENAME_LEN
var ext = Path.extname(sanitized)
var basename = Path.basename(sanitized, ext)
basename = basename.slice(0, basename.length - lenToRemove)
sanitized = basename + ext
}
return sanitized
}