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Diffstat (limited to 'node_modules/content-disposition/index.js')
| -rw-r--r-- | node_modules/content-disposition/index.js | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/node_modules/content-disposition/index.js b/node_modules/content-disposition/index.js deleted file mode 100644 index 88a0d0a..0000000 --- a/node_modules/content-disposition/index.js +++ /dev/null @@ -1,445 +0,0 @@ -/*! - * content-disposition - * Copyright(c) 2014 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module exports. - */ - -module.exports = contentDisposition -module.exports.parse = parse - -/** - * Module dependencies. - */ - -var basename = require('path').basename - -/** - * RegExp to match non attr-char, *after* encodeURIComponent (i.e. not including "%") - */ - -var ENCODE_URL_ATTR_CHAR_REGEXP = /[\x00-\x20"'()*,/:;<=>?@[\\\]{}\x7f]/g // eslint-disable-line no-control-regex - -/** - * RegExp to match percent encoding escape. - */ - -var HEX_ESCAPE_REGEXP = /%[0-9A-Fa-f]{2}/ -var HEX_ESCAPE_REPLACE_REGEXP = /%([0-9A-Fa-f]{2})/g - -/** - * RegExp to match non-latin1 characters. - */ - -var NON_LATIN1_REGEXP = /[^\x20-\x7e\xa0-\xff]/g - -/** - * RegExp to match quoted-pair in RFC 2616 - * - * quoted-pair = "\" CHAR - * CHAR = <any US-ASCII character (octets 0 - 127)> - */ - -var QESC_REGEXP = /\\([\u0000-\u007f])/g - -/** - * RegExp to match chars that must be quoted-pair in RFC 2616 - */ - -var QUOTE_REGEXP = /([\\"])/g - -/** - * RegExp for various RFC 2616 grammar - * - * parameter = token "=" ( token | quoted-string ) - * token = 1*<any CHAR except CTLs or separators> - * separators = "(" | ")" | "<" | ">" | "@" - * | "," | ";" | ":" | "\" | <"> - * | "/" | "[" | "]" | "?" | "=" - * | "{" | "}" | SP | HT - * quoted-string = ( <"> *(qdtext | quoted-pair ) <"> ) - * qdtext = <any TEXT except <">> - * quoted-pair = "\" CHAR - * CHAR = <any US-ASCII character (octets 0 - 127)> - * TEXT = <any OCTET except CTLs, but including LWS> - * LWS = [CRLF] 1*( SP | HT ) - * CRLF = CR LF - * CR = <US-ASCII CR, carriage return (13)> - * LF = <US-ASCII LF, linefeed (10)> - * SP = <US-ASCII SP, space (32)> - * HT = <US-ASCII HT, horizontal-tab (9)> - * CTL = <any US-ASCII control character (octets 0 - 31) and DEL (127)> - * OCTET = <any 8-bit sequence of data> - */ - -var PARAM_REGEXP = /;[\x09\x20]*([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*=[\x09\x20]*("(?:[\x20!\x23-\x5b\x5d-\x7e\x80-\xff]|\\[\x20-\x7e])*"|[!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*/g // eslint-disable-line no-control-regex -var TEXT_REGEXP = /^[\x20-\x7e\x80-\xff]+$/ -var TOKEN_REGEXP = /^[!#$%&'*+.0-9A-Z^_`a-z|~-]+$/ - -/** - * RegExp for various RFC 5987 grammar - * - * ext-value = charset "'" [ language ] "'" value-chars - * charset = "UTF-8" / "ISO-8859-1" / mime-charset - * mime-charset = 1*mime-charsetc - * mime-charsetc = ALPHA / DIGIT - * / "!" / "#" / "$" / "%" / "&" - * / "+" / "-" / "^" / "_" / "`" - * / "{" / "}" / "~" - * language = ( 2*3ALPHA [ extlang ] ) - * / 4ALPHA - * / 5*8ALPHA - * extlang = *3( "-" 3ALPHA ) - * value-chars = *( pct-encoded / attr-char ) - * pct-encoded = "%" HEXDIG HEXDIG - * attr-char = ALPHA / DIGIT - * / "!" / "#" / "$" / "&" / "+" / "-" / "." - * / "^" / "_" / "`" / "|" / "~" - */ - -var EXT_VALUE_REGEXP = /^([A-Za-z0-9!#$%&+\-^_`{}~]+)'(?:[A-Za-z]{2,3}(?:-[A-Za-z]{3}){0,3}|[A-Za-z]{4,8}|)'((?:%[0-9A-Fa-f]{2}|[A-Za-z0-9!#$&+.^_`|~-])+)$/ - -/** - * RegExp for various RFC 6266 grammar - * - * disposition-type = "inline" | "attachment" | disp-ext-type - * disp-ext-type = token - * disposition-parm = filename-parm | disp-ext-parm - * filename-parm = "filename" "=" value - * | "filename*" "=" ext-value - * disp-ext-parm = token "=" value - * | ext-token "=" ext-value - * ext-token = <the characters in token, followed by "*"> - */ - -var DISPOSITION_TYPE_REGEXP = /^([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*(?:$|;)/ // eslint-disable-line no-control-regex - -/** - * Create an attachment Content-Disposition header. - * - * @param {string} [filename] - * @param {object} [options] - * @param {string} [options.type=attachment] - * @param {string|boolean} [options.fallback=true] - * @return {string} - * @api public - */ - -function contentDisposition (filename, options) { - var opts = options || {} - - // get type - var type = opts.type || 'attachment' - - // get parameters - var params = createparams(filename, opts.fallback) - - // format into string - return format(new ContentDisposition(type, params)) -} - -/** - * Create parameters object from filename and fallback. - * - * @param {string} [filename] - * @param {string|boolean} [fallback=true] - * @return {object} - * @api private - */ - -function createparams (filename, fallback) { - if (filename === undefined) { - return - } - - var params = {} - - if (typeof filename !== 'string') { - throw new TypeError('filename must be a string') - } - - // fallback defaults to true - if (fallback === undefined) { - fallback = true - } - - if (typeof fallback !== 'string' && typeof fallback !== 'boolean') { - throw new TypeError('fallback must be a string or boolean') - } - - if (typeof fallback === 'string' && NON_LATIN1_REGEXP.test(fallback)) { - throw new TypeError('fallback must be ISO-8859-1 string') - } - - // restrict to file base name - var name = basename(filename) - - // determine if name is suitable for quoted string - var isQuotedString = TEXT_REGEXP.test(name) - - // generate fallback name - var fallbackName = typeof fallback !== 'string' - ? fallback && getlatin1(name) - : basename(fallback) - var hasFallback = typeof fallbackName === 'string' && fallbackName !== name - - // set extended filename parameter - if (hasFallback || !isQuotedString || HEX_ESCAPE_REGEXP.test(name)) { - params['filename*'] = name - } - - // set filename parameter - if (isQuotedString || hasFallback) { - params.filename = hasFallback - ? fallbackName - : name - } - - return params -} - -/** - * Format object to Content-Disposition header. - * - * @param {object} obj - * @param {string} obj.type - * @param {object} [obj.parameters] - * @return {string} - * @api private - */ - -function format (obj) { - var parameters = obj.parameters - var type = obj.type - - if (!type || typeof type !== 'string' || !TOKEN_REGEXP.test(type)) { - throw new TypeError('invalid type') - } - - // start with normalized type - var string = String(type).toLowerCase() - - // 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] - - var val = param.substr(-1) === '*' - ? ustring(parameters[param]) - : qstring(parameters[param]) - - string += '; ' + param + '=' + val - } - } - - return string -} - -/** - * Decode a RFC 6987 field value (gracefully). - * - * @param {string} str - * @return {string} - * @api private - */ - -function decodefield (str) { - var match = EXT_VALUE_REGEXP.exec(str) - - if (!match) { - throw new TypeError('invalid extended field value') - } - - var charset = match[1].toLowerCase() - var encoded = match[2] - var value - - // to binary string - var binary = encoded.replace(HEX_ESCAPE_REPLACE_REGEXP, pdecode) - - switch (charset) { - case 'iso-8859-1': - value = getlatin1(binary) - break - case 'utf-8': - value = new Buffer(binary, 'binary').toString('utf8') - break - default: - throw new TypeError('unsupported charset in extended field') - } - - return value -} - -/** - * Get ISO-8859-1 version of string. - * - * @param {string} val - * @return {string} - * @api private - */ - -function getlatin1 (val) { - // simple Unicode -> ISO-8859-1 transformation - return String(val).replace(NON_LATIN1_REGEXP, '?') -} - -/** - * Parse Content-Disposition header string. - * - * @param {string} string - * @return {object} - * @api private - */ - -function parse (string) { - if (!string || typeof string !== 'string') { - throw new TypeError('argument string is required') - } - - var match = DISPOSITION_TYPE_REGEXP.exec(string) - - if (!match) { - throw new TypeError('invalid type format') - } - - // normalize type - var index = match[0].length - var type = match[1].toLowerCase() - - var key - var names = [] - var params = {} - var value - - // calculate index to start at - index = PARAM_REGEXP.lastIndex = match[0].substr(-1) === ';' - ? index - 1 - : index - - // match parameters - while ((match = PARAM_REGEXP.exec(string))) { - if (match.index !== index) { - throw new TypeError('invalid parameter format') - } - - index += match[0].length - key = match[1].toLowerCase() - value = match[2] - - if (names.indexOf(key) !== -1) { - throw new TypeError('invalid duplicate parameter') - } - - names.push(key) - - if (key.indexOf('*') + 1 === key.length) { - // decode extended value - key = key.slice(0, -1) - value = decodefield(value) - - // overwrite existing value - params[key] = value - continue - } - - if (typeof params[key] === 'string') { - continue - } - - if (value[0] === '"') { - // remove quotes and escapes - value = value - .substr(1, value.length - 2) - .replace(QESC_REGEXP, '$1') - } - - params[key] = value - } - - if (index !== -1 && index !== string.length) { - throw new TypeError('invalid parameter format') - } - - return new ContentDisposition(type, params) -} - -/** - * Percent decode a single character. - * - * @param {string} str - * @param {string} hex - * @return {string} - * @api private - */ - -function pdecode (str, hex) { - return String.fromCharCode(parseInt(hex, 16)) -} - -/** - * Percent encode a single character. - * - * @param {string} char - * @return {string} - * @api private - */ - -function pencode (char) { - var hex = String(char) - .charCodeAt(0) - .toString(16) - .toUpperCase() - return hex.length === 1 - ? '%0' + hex - : '%' + hex -} - -/** - * Quote a string for HTTP. - * - * @param {string} val - * @return {string} - * @api private - */ - -function qstring (val) { - var str = String(val) - - return '"' + str.replace(QUOTE_REGEXP, '\\$1') + '"' -} - -/** - * Encode a Unicode string for HTTP (RFC 5987). - * - * @param {string} val - * @return {string} - * @api private - */ - -function ustring (val) { - var str = String(val) - - // percent encode as UTF-8 - var encoded = encodeURIComponent(str) - .replace(ENCODE_URL_ATTR_CHAR_REGEXP, pencode) - - return 'UTF-8\'\'' + encoded -} - -/** - * Class for parsed Content-Disposition header for v8 optimization - */ - -function ContentDisposition (type, parameters) { - this.type = type - this.parameters = parameters -} |