diff options
Diffstat (limited to 'node_modules/morgan/index.js')
-rw-r--r-- | node_modules/morgan/index.js | 522 |
1 files changed, 0 insertions, 522 deletions
diff --git a/node_modules/morgan/index.js b/node_modules/morgan/index.js deleted file mode 100644 index 703e192..0000000 --- a/node_modules/morgan/index.js +++ /dev/null @@ -1,522 +0,0 @@ -/*! - * morgan - * Copyright(c) 2010 Sencha Inc. - * Copyright(c) 2011 TJ Holowaychuk - * Copyright(c) 2014 Jonathan Ong - * Copyright(c) 2014-2017 Douglas Christopher Wilson - * MIT Licensed - */ - -'use strict' - -/** - * Module exports. - * @public - */ - -module.exports = morgan -module.exports.compile = compile -module.exports.format = format -module.exports.token = token - -/** - * Module dependencies. - * @private - */ - -var auth = require('basic-auth') -var debug = require('debug')('morgan') -var deprecate = require('depd')('morgan') -var onFinished = require('on-finished') -var onHeaders = require('on-headers') - -/** - * Array of CLF month names. - * @private - */ - -var CLF_MONTH = [ - 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', - 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' -] - -/** - * Default log buffer duration. - * @private - */ - -var DEFAULT_BUFFER_DURATION = 1000 - -/** - * Create a logger middleware. - * - * @public - * @param {String|Function} format - * @param {Object} [options] - * @return {Function} middleware - */ - -function morgan (format, options) { - var fmt = format - var opts = options || {} - - if (format && typeof format === 'object') { - opts = format - fmt = opts.format || 'default' - - // smart deprecation message - deprecate('morgan(options): use morgan(' + (typeof fmt === 'string' ? JSON.stringify(fmt) : 'format') + ', options) instead') - } - - if (fmt === undefined) { - deprecate('undefined format: specify a format') - } - - // output on request instead of response - var immediate = opts.immediate - - // check if log entry should be skipped - var skip = opts.skip || false - - // format function - var formatLine = typeof fmt !== 'function' - ? getFormatFunction(fmt) - : fmt - - // stream - var buffer = opts.buffer - var stream = opts.stream || process.stdout - - // buffering support - if (buffer) { - deprecate('buffer option') - - // flush interval - var interval = typeof buffer !== 'number' - ? DEFAULT_BUFFER_DURATION - : buffer - - // swap the stream - stream = createBufferStream(stream, interval) - } - - return function logger (req, res, next) { - // request data - req._startAt = undefined - req._startTime = undefined - req._remoteAddress = getip(req) - - // response data - res._startAt = undefined - res._startTime = undefined - - // record request start - recordStartTime.call(req) - - function logRequest () { - if (skip !== false && skip(req, res)) { - debug('skip request') - return - } - - var line = formatLine(morgan, req, res) - - if (line == null) { - debug('skip line') - return - } - - debug('log request') - stream.write(line + '\n') - }; - - if (immediate) { - // immediate log - logRequest() - } else { - // record response start - onHeaders(res, recordStartTime) - - // log when response finished - onFinished(res, logRequest) - } - - next() - } -} - -/** - * Apache combined log format. - */ - -morgan.format('combined', ':remote-addr - :remote-user [:date[clf]] ":method :url HTTP/:http-version" :status :res[content-length] ":referrer" ":user-agent"') - -/** - * Apache common log format. - */ - -morgan.format('common', ':remote-addr - :remote-user [:date[clf]] ":method :url HTTP/:http-version" :status :res[content-length]') - -/** - * Default format. - */ - -morgan.format('default', ':remote-addr - :remote-user [:date] ":method :url HTTP/:http-version" :status :res[content-length] ":referrer" ":user-agent"') -deprecate.property(morgan, 'default', 'default format: use combined format') - -/** - * Short format. - */ - -morgan.format('short', ':remote-addr :remote-user :method :url HTTP/:http-version :status :res[content-length] - :response-time ms') - -/** - * Tiny format. - */ - -morgan.format('tiny', ':method :url :status :res[content-length] - :response-time ms') - -/** - * dev (colored) - */ - -morgan.format('dev', function developmentFormatLine (tokens, req, res) { - // get the status code if response written - var status = headersSent(res) - ? res.statusCode - : undefined - - // get status color - var color = status >= 500 ? 31 // red - : status >= 400 ? 33 // yellow - : status >= 300 ? 36 // cyan - : status >= 200 ? 32 // green - : 0 // no color - - // get colored function - var fn = developmentFormatLine[color] - - if (!fn) { - // compile - fn = developmentFormatLine[color] = compile('\x1b[0m:method :url \x1b[' + - color + 'm:status \x1b[0m:response-time ms - :res[content-length]\x1b[0m') - } - - return fn(tokens, req, res) -}) - -/** - * request url - */ - -morgan.token('url', function getUrlToken (req) { - return req.originalUrl || req.url -}) - -/** - * request method - */ - -morgan.token('method', function getMethodToken (req) { - return req.method -}) - -/** - * response time in milliseconds - */ - -morgan.token('response-time', function getResponseTimeToken (req, res, digits) { - if (!req._startAt || !res._startAt) { - // missing request and/or response start time - return - } - - // calculate diff - var ms = (res._startAt[0] - req._startAt[0]) * 1e3 + - (res._startAt[1] - req._startAt[1]) * 1e-6 - - // return truncated value - return ms.toFixed(digits === undefined ? 3 : digits) -}) - -/** - * current date - */ - -morgan.token('date', function getDateToken (req, res, format) { - var date = new Date() - - switch (format || 'web') { - case 'clf': - return clfdate(date) - case 'iso': - return date.toISOString() - case 'web': - return date.toUTCString() - } -}) - -/** - * response status code - */ - -morgan.token('status', function getStatusToken (req, res) { - return headersSent(res) - ? String(res.statusCode) - : undefined -}) - -/** - * normalized referrer - */ - -morgan.token('referrer', function getReferrerToken (req) { - return req.headers['referer'] || req.headers['referrer'] -}) - -/** - * remote address - */ - -morgan.token('remote-addr', getip) - -/** - * remote user - */ - -morgan.token('remote-user', function getRemoteUserToken (req) { - // parse basic credentials - var credentials = auth(req) - - // return username - return credentials - ? credentials.name - : undefined -}) - -/** - * HTTP version - */ - -morgan.token('http-version', function getHttpVersionToken (req) { - return req.httpVersionMajor + '.' + req.httpVersionMinor -}) - -/** - * UA string - */ - -morgan.token('user-agent', function getUserAgentToken (req) { - return req.headers['user-agent'] -}) - -/** - * request header - */ - -morgan.token('req', function getRequestToken (req, res, field) { - // get header - var header = req.headers[field.toLowerCase()] - - return Array.isArray(header) - ? header.join(', ') - : header -}) - -/** - * response header - */ - -morgan.token('res', function getResponseHeader (req, res, field) { - if (!headersSent(res)) { - return undefined - } - - // get header - var header = res.getHeader(field) - - return Array.isArray(header) - ? header.join(', ') - : header -}) - -/** - * Format a Date in the common log format. - * - * @private - * @param {Date} dateTime - * @return {string} - */ - -function clfdate (dateTime) { - var date = dateTime.getUTCDate() - var hour = dateTime.getUTCHours() - var mins = dateTime.getUTCMinutes() - var secs = dateTime.getUTCSeconds() - var year = dateTime.getUTCFullYear() - - var month = CLF_MONTH[dateTime.getUTCMonth()] - - return pad2(date) + '/' + month + '/' + year + - ':' + pad2(hour) + ':' + pad2(mins) + ':' + pad2(secs) + - ' +0000' -} - -/** - * Compile a format string into a function. - * - * @param {string} format - * @return {function} - * @public - */ - -function compile (format) { - if (typeof format !== 'string') { - throw new TypeError('argument format must be a string') - } - - var fmt = String(JSON.stringify(format)) - var js = ' "use strict"\n return ' + fmt.replace(/:([-\w]{2,})(?:\[([^\]]+)\])?/g, function (_, name, arg) { - var tokenArguments = 'req, res' - var tokenFunction = 'tokens[' + String(JSON.stringify(name)) + ']' - - if (arg !== undefined) { - tokenArguments += ', ' + String(JSON.stringify(arg)) - } - - return '" +\n (' + tokenFunction + '(' + tokenArguments + ') || "-") + "' - }) - - // eslint-disable-next-line no-new-func - return new Function('tokens, req, res', js) -} - -/** - * Create a basic buffering stream. - * - * @param {object} stream - * @param {number} interval - * @public - */ - -function createBufferStream (stream, interval) { - var buf = [] - var timer = null - - // flush function - function flush () { - timer = null - stream.write(buf.join('')) - buf.length = 0 - } - - // write function - function write (str) { - if (timer === null) { - timer = setTimeout(flush, interval) - } - - buf.push(str) - } - - // return a minimal "stream" - return { write: write } -} - -/** - * Define a format with the given name. - * - * @param {string} name - * @param {string|function} fmt - * @public - */ - -function format (name, fmt) { - morgan[name] = fmt - return this -} - -/** - * Lookup and compile a named format function. - * - * @param {string} name - * @return {function} - * @public - */ - -function getFormatFunction (name) { - // lookup format - var fmt = morgan[name] || name || morgan.default - - // return compiled format - return typeof fmt !== 'function' - ? compile(fmt) - : fmt -} - -/** - * Get request IP address. - * - * @private - * @param {IncomingMessage} req - * @return {string} - */ - -function getip (req) { - return req.ip || - req._remoteAddress || - (req.connection && req.connection.remoteAddress) || - undefined -} - -/** - * Determine if the response headers have been sent. - * - * @param {object} res - * @returns {boolean} - * @private - */ - -function headersSent (res) { - return typeof res.headersSent !== 'boolean' - ? Boolean(res._header) - : res.headersSent -} - -/** - * Pad number to two digits. - * - * @private - * @param {number} num - * @return {string} - */ - -function pad2 (num) { - var str = String(num) - - return (str.length === 1 ? '0' : '') + str -} - -/** - * Record the start time. - * @private - */ - -function recordStartTime () { - this._startAt = process.hrtime() - this._startTime = new Date() -} - -/** - * Define a token function with the given name, - * and callback fn(req, res). - * - * @param {string} name - * @param {function} fn - * @public - */ - -function token (name, fn) { - morgan[name] = fn - return this -} |