diff options
author | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
---|---|---|
committer | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
commit | 3d1cd02f27518f1a04374c7c8320cd5d82ede6e9 (patch) | |
tree | 75be5fba4368472fb11c8015aee026b2b9a71888 /school/node_modules/ws/lib/validation.js | |
parent | 8cc1f13c17fa2fb5a4410542d39e650e02945634 (diff) | |
download | pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.gz pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.bz2 pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.zip |
Updated 40 files, added 37 files, deleted 1103 files and renamed 3905 files (automated)
Diffstat (limited to 'school/node_modules/ws/lib/validation.js')
-rw-r--r-- | school/node_modules/ws/lib/validation.js | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/school/node_modules/ws/lib/validation.js b/school/node_modules/ws/lib/validation.js deleted file mode 100644 index 169ac6f..0000000 --- a/school/node_modules/ws/lib/validation.js +++ /dev/null @@ -1,104 +0,0 @@ -'use strict'; - -/** - * Checks if a status code is allowed in a close frame. - * - * @param {Number} code The status code - * @return {Boolean} `true` if the status code is valid, else `false` - * @public - */ -function isValidStatusCode(code) { - return ( - (code >= 1000 && - code <= 1014 && - code !== 1004 && - code !== 1005 && - code !== 1006) || - (code >= 3000 && code <= 4999) - ); -} - -/** - * Checks if a given buffer contains only correct UTF-8. - * Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by - * Markus Kuhn. - * - * @param {Buffer} buf The buffer to check - * @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false` - * @public - */ -function _isValidUTF8(buf) { - const len = buf.length; - let i = 0; - - while (i < len) { - if ((buf[i] & 0x80) === 0) { - // 0xxxxxxx - i++; - } else if ((buf[i] & 0xe0) === 0xc0) { - // 110xxxxx 10xxxxxx - if ( - i + 1 === len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i] & 0xfe) === 0xc0 // Overlong - ) { - return false; - } - - i += 2; - } else if ((buf[i] & 0xf0) === 0xe0) { - // 1110xxxx 10xxxxxx 10xxxxxx - if ( - i + 2 >= len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i + 2] & 0xc0) !== 0x80 || - (buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80) || // Overlong - (buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0) // Surrogate (U+D800 - U+DFFF) - ) { - return false; - } - - i += 3; - } else if ((buf[i] & 0xf8) === 0xf0) { - // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - if ( - i + 3 >= len || - (buf[i + 1] & 0xc0) !== 0x80 || - (buf[i + 2] & 0xc0) !== 0x80 || - (buf[i + 3] & 0xc0) !== 0x80 || - (buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80) || // Overlong - (buf[i] === 0xf4 && buf[i + 1] > 0x8f) || - buf[i] > 0xf4 // > U+10FFFF - ) { - return false; - } - - i += 4; - } else { - return false; - } - } - - return true; -} - -try { - let isValidUTF8 = require('utf-8-validate'); - - /* istanbul ignore if */ - if (typeof isValidUTF8 === 'object') { - isValidUTF8 = isValidUTF8.Validation.isValidUTF8; // utf-8-validate@<3.0.0 - } - - module.exports = { - isValidStatusCode, - isValidUTF8(buf) { - return buf.length < 150 ? _isValidUTF8(buf) : isValidUTF8(buf); - } - }; -} catch (e) /* istanbul ignore next */ { - module.exports = { - isValidStatusCode, - isValidUTF8: _isValidUTF8 - }; -} |