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Diffstat (limited to 'node_modules/content-type/index.js')
| -rw-r--r-- | node_modules/content-type/index.js | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/node_modules/content-type/index.js b/node_modules/content-type/index.js deleted file mode 100644 index 6ce03f2..0000000 --- a/node_modules/content-type/index.js +++ /dev/null @@ -1,222 +0,0 @@ -/*! - * content-type - * Copyright(c) 2015 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * RegExp to match *( ";" parameter ) in RFC 7231 sec 3.1.1.1 - * - * parameter = token "=" ( token / quoted-string ) - * token = 1*tchar - * tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" - * / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~" - * / DIGIT / ALPHA - * ; any VCHAR, except delimiters - * quoted-string = DQUOTE *( qdtext / quoted-pair ) DQUOTE - * qdtext = HTAB / SP / %x21 / %x23-5B / %x5D-7E / obs-text - * obs-text = %x80-FF - * quoted-pair = "\" ( HTAB / SP / VCHAR / obs-text ) - */ -var PARAM_REGEXP = /; *([!#$%&'*+.^_`|~0-9A-Za-z-]+) *= *("(?:[\u000b\u0020\u0021\u0023-\u005b\u005d-\u007e\u0080-\u00ff]|\\[\u000b\u0020-\u00ff])*"|[!#$%&'*+.^_`|~0-9A-Za-z-]+) */g -var TEXT_REGEXP = /^[\u000b\u0020-\u007e\u0080-\u00ff]+$/ -var TOKEN_REGEXP = /^[!#$%&'*+.^_`|~0-9A-Za-z-]+$/ - -/** - * RegExp to match quoted-pair in RFC 7230 sec 3.2.6 - * - * quoted-pair = "\" ( HTAB / SP / VCHAR / obs-text ) - * obs-text = %x80-FF - */ -var QESC_REGEXP = /\\([\u000b\u0020-\u00ff])/g - -/** - * RegExp to match chars that must be quoted-pair in RFC 7230 sec 3.2.6 - */ -var QUOTE_REGEXP = /([\\"])/g - -/** - * RegExp to match type in RFC 7231 sec 3.1.1.1 - * - * media-type = type "/" subtype - * type = token - * subtype = token - */ -var TYPE_REGEXP = /^[!#$%&'*+.^_`|~0-9A-Za-z-]+\/[!#$%&'*+.^_`|~0-9A-Za-z-]+$/ - -/** - * Module exports. - * @public - */ - -exports.format = format -exports.parse = parse - -/** - * Format object to media type. - * - * @param {object} obj - * @return {string} - * @public - */ - -function format (obj) { - if (!obj || typeof obj !== 'object') { - throw new TypeError('argument obj is required') - } - - var parameters = obj.parameters - var type = obj.type - - if (!type || !TYPE_REGEXP.test(type)) { - throw new TypeError('invalid type') - } - - var string = type - - // append parameters - if (parameters && typeof parameters === 'object') { - var param - var params = Object.keys(parameters).sort() - - for (var i = 0; i < params.length; i++) { - param = params[i] - - if (!TOKEN_REGEXP.test(param)) { - throw new TypeError('invalid parameter name') - } - - string += '; ' + param + '=' + qstring(parameters[param]) - } - } - - return string -} - -/** - * Parse media type to object. - * - * @param {string|object} string - * @return {Object} - * @public - */ - -function parse (string) { - if (!string) { - throw new TypeError('argument string is required') - } - - // support req/res-like objects as argument - var header = typeof string === 'object' - ? getcontenttype(string) - : string - - if (typeof header !== 'string') { - throw new TypeError('argument string is required to be a string') - } - - var index = header.indexOf(';') - var type = index !== -1 - ? header.substr(0, index).trim() - : header.trim() - - if (!TYPE_REGEXP.test(type)) { - throw new TypeError('invalid media type') - } - - var obj = new ContentType(type.toLowerCase()) - - // parse parameters - if (index !== -1) { - var key - var match - var value - - PARAM_REGEXP.lastIndex = index - - while ((match = PARAM_REGEXP.exec(header))) { - if (match.index !== index) { - throw new TypeError('invalid parameter format') - } - - index += match[0].length - key = match[1].toLowerCase() - value = match[2] - - if (value[0] === '"') { - // remove quotes and escapes - value = value - .substr(1, value.length - 2) - .replace(QESC_REGEXP, '$1') - } - - obj.parameters[key] = value - } - - if (index !== header.length) { - throw new TypeError('invalid parameter format') - } - } - - return obj -} - -/** - * Get content-type from req/res objects. - * - * @param {object} - * @return {Object} - * @private - */ - -function getcontenttype (obj) { - var header - - if (typeof obj.getHeader === 'function') { - // res-like - header = obj.getHeader('content-type') - } else if (typeof obj.headers === 'object') { - // req-like - header = obj.headers && obj.headers['content-type'] - } - - if (typeof header !== 'string') { - throw new TypeError('content-type header is missing from object') - } - - return header -} - -/** - * Quote a string if necessary. - * - * @param {string} val - * @return {string} - * @private - */ - -function qstring (val) { - var str = String(val) - - // no need to quote tokens - if (TOKEN_REGEXP.test(str)) { - return str - } - - if (str.length > 0 && !TEXT_REGEXP.test(str)) { - throw new TypeError('invalid parameter value') - } - - return '"' + str.replace(QUOTE_REGEXP, '\\$1') + '"' -} - -/** - * Class to represent a content type. - * @private - */ -function ContentType (type) { - this.parameters = Object.create(null) - this.type = type -} |