Fix license issues

[sdnc/oam.git] / dgbuilder / dgeflows / node_modules / serve-favicon / index.js

diff --git a/dgbuilder/dgeflows/node_modules/serve-favicon/index.js b/dgbuilder/dgeflows/node_modules/serve-favicon/index.js
deleted file mode 100644 (file)
index b83e85f..0000000
--- a/dgbuilder/dgeflows/node_modules/serve-favicon/index.js
+++ /dev/null
@@ -1,167 +0,0 @@
-/*!
- * serve-favicon
- * Copyright(c) 2010 Sencha Inc.
- * Copyright(c) 2011 TJ Holowaychuk
- * Copyright(c) 2014 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-/**
- * Module dependencies.
- * @private
- */
-
-var etag = require('etag');
-var fresh = require('fresh');
-var fs = require('fs');
-var ms = require('ms');
-var parseUrl = require('parseurl');
-var path = require('path');
-var resolve = path.resolve;
-
-/**
- * Module variables.
- * @private
- */
-
-var maxMaxAge = 60 * 60 * 24 * 365 * 1000; // 1 year
-
-/**
- * Serves the favicon located by the given `path`.
- *
- * @public
- * @param {String|Buffer} path
- * @param {Object} options
- * @return {Function} middleware
- */
-
-module.exports = function favicon(path, options){
-  options = options || {};
-
-  var buf;
-  var icon; // favicon cache
-  var maxAge = calcMaxAge(options.maxAge);
-  var stat;
-
-  if (!path) throw new TypeError('path to favicon.ico is required');
-
-  if (Buffer.isBuffer(path)) {
-    buf = new Buffer(path.length);
-    path.copy(buf);
-
-    icon = createIcon(buf, maxAge);
-  } else if (typeof path === 'string') {
-    path = resolve(path);
-    stat = fs.statSync(path);
-    if (stat.isDirectory()) throw createIsDirError(path);
-  } else {
-    throw new TypeError('path to favicon.ico must be string or buffer');
-  }
-
-  return function favicon(req, res, next){
-    if (parseUrl(req).pathname !== '/favicon.ico') {
-      next();
-      return;
-    }
-
-    if ('GET' !== req.method && 'HEAD' !== req.method) {
-      var status = 'OPTIONS' === req.method ? 200 : 405;
-      res.writeHead(status, {'Allow': 'GET, HEAD, OPTIONS'});
-      res.end();
-      return;
-    }
-
-    if (icon) return send(req, res, icon);
-
-    fs.readFile(path, function(err, buf){
-      if (err) return next(err);
-      icon = createIcon(buf, maxAge);
-      send(req, res, icon);
-    });
-  };
-};
-
-/**
- * Calculate the max-age from a configured value.
- *
- * @private
- * @param {string|number} val
- * @return {number}
- */
-
-function calcMaxAge(val) {
-  var num = typeof val === 'string'
-    ? ms(val)
-    : val;
-
-  return num != null
-    ? Math.min(Math.max(0, num), maxMaxAge)
-    : maxMaxAge
-}
-
-/**
- * Create icon data from Buffer and max-age.
- *
- * @private
- * @param {Buffer} buf
- * @param {number} maxAge
- * @return {object}
- */
-
-function createIcon(buf, maxAge) {
-  return {
-    body: buf,
-    headers: {
-      'Cache-Control': 'public, max-age=' + ~~(maxAge / 1000),
-      'ETag': etag(buf)
-    }
-  };
-}
-
-/**
- * Create EISDIR error.
- *
- * @private
- * @param {string} path
- * @return {Error}
- */
-
-function createIsDirError(path) {
-  var error = new Error('EISDIR, illegal operation on directory \'' + path + '\'');
-  error.code = 'EISDIR';
-  error.errno = 28;
-  error.path = path;
-  error.syscall = 'open';
-  return error;
-}
-
-/**
- * Send icon data in response to a request.
- *
- * @private
- * @param {IncomingMessage} req
- * @param {OutgoingMessage} res
- * @param {object} icon
- */
-
-function send(req, res, icon) {
-  var headers = icon.headers;
-
-  // Set headers
-  var keys = Object.keys(headers);
-  for (var i = 0; i < keys.length; i++) {
-    var key = keys[i];
-    res.setHeader(key, headers[key]);
-  }
-
-  if (fresh(req.headers, res._headers)) {
-    res.statusCode = 304;
-    res.end();
-    return;
-  }
-
-  res.statusCode = 200;
-  res.setHeader('Content-Length', icon.body.length);
-  res.setHeader('Content-Type', 'image/x-icon');
-  res.end(icon.body);
-}