diff options
Diffstat (limited to 'middleware/node_modules/finalhandler')
| -rw-r--r-- | middleware/node_modules/finalhandler/HISTORY.md | 187 | ||||
| -rw-r--r-- | middleware/node_modules/finalhandler/LICENSE | 22 | ||||
| -rw-r--r-- | middleware/node_modules/finalhandler/README.md | 148 | ||||
| -rw-r--r-- | middleware/node_modules/finalhandler/index.js | 331 | ||||
| -rw-r--r-- | middleware/node_modules/finalhandler/package.json | 45 |
5 files changed, 733 insertions, 0 deletions
diff --git a/middleware/node_modules/finalhandler/HISTORY.md b/middleware/node_modules/finalhandler/HISTORY.md new file mode 100644 index 0000000..920c35e --- /dev/null +++ b/middleware/node_modules/finalhandler/HISTORY.md @@ -0,0 +1,187 @@ +1.1.2 / 2019-05-09 +================== + + * Set stricter `Content-Security-Policy` header + * deps: parseurl@~1.3.3 + * deps: statuses@~1.5.0 + +1.1.1 / 2018-03-06 +================== + + * Fix 404 output for bad / missing pathnames + * deps: encodeurl@~1.0.2 + - Fix encoding `%` as last character + * deps: statuses@~1.4.0 + +1.1.0 / 2017-09-24 +================== + + * Use `res.headersSent` when available + +1.0.6 / 2017-09-22 +================== + + * deps: debug@2.6.9 + +1.0.5 / 2017-09-15 +================== + + * deps: parseurl@~1.3.2 + - perf: reduce overhead for full URLs + - perf: unroll the "fast-path" `RegExp` + +1.0.4 / 2017-08-03 +================== + + * deps: debug@2.6.8 + +1.0.3 / 2017-05-16 +================== + + * deps: debug@2.6.7 + - deps: ms@2.0.0 + +1.0.2 / 2017-04-22 +================== + + * deps: debug@2.6.4 + - deps: ms@0.7.3 + +1.0.1 / 2017-03-21 +================== + + * Fix missing `</html>` in HTML document + * deps: debug@2.6.3 + - Fix: `DEBUG_MAX_ARRAY_LENGTH` + +1.0.0 / 2017-02-15 +================== + + * Fix exception when `err` cannot be converted to a string + * Fully URL-encode the pathname in the 404 message + * Only include the pathname in the 404 message + * Send complete HTML document + * Set `Content-Security-Policy: default-src 'self'` header + * deps: debug@2.6.1 + - Allow colors in workers + - Deprecated `DEBUG_FD` environment variable set to `3` or higher + - Fix error when running under React Native + - Use same color for same namespace + - deps: ms@0.7.2 + +0.5.1 / 2016-11-12 +================== + + * Fix exception when `err.headers` is not an object + * deps: statuses@~1.3.1 + * perf: hoist regular expressions + * perf: remove duplicate validation path + +0.5.0 / 2016-06-15 +================== + + * Change invalid or non-numeric status code to 500 + * Overwrite status message to match set status code + * Prefer `err.statusCode` if `err.status` is invalid + * Set response headers from `err.headers` object + * Use `statuses` instead of `http` module for status messages + - Includes all defined status messages + +0.4.1 / 2015-12-02 +================== + + * deps: escape-html@~1.0.3 + - perf: enable strict mode + - perf: optimize string replacement + - perf: use faster string coercion + +0.4.0 / 2015-06-14 +================== + + * Fix a false-positive when unpiping in Node.js 0.8 + * Support `statusCode` property on `Error` objects + * Use `unpipe` module for unpiping requests + * deps: escape-html@1.0.2 + * deps: on-finished@~2.3.0 + - Add defined behavior for HTTP `CONNECT` requests + - Add defined behavior for HTTP `Upgrade` requests + - deps: ee-first@1.1.1 + * perf: enable strict mode + * perf: remove argument reassignment + +0.3.6 / 2015-05-11 +================== + + * deps: debug@~2.2.0 + - deps: ms@0.7.1 + +0.3.5 / 2015-04-22 +================== + + * deps: on-finished@~2.2.1 + - Fix `isFinished(req)` when data buffered + +0.3.4 / 2015-03-15 +================== + + * deps: debug@~2.1.3 + - Fix high intensity foreground color for bold + - deps: ms@0.7.0 + +0.3.3 / 2015-01-01 +================== + + * deps: debug@~2.1.1 + * deps: on-finished@~2.2.0 + +0.3.2 / 2014-10-22 +================== + + * deps: on-finished@~2.1.1 + - Fix handling of pipelined requests + +0.3.1 / 2014-10-16 +================== + + * deps: debug@~2.1.0 + - Implement `DEBUG_FD` env variable support + +0.3.0 / 2014-09-17 +================== + + * Terminate in progress response only on error + * Use `on-finished` to determine request status + +0.2.0 / 2014-09-03 +================== + + * Set `X-Content-Type-Options: nosniff` header + * deps: debug@~2.0.0 + +0.1.0 / 2014-07-16 +================== + + * Respond after request fully read + - prevents hung responses and socket hang ups + * deps: debug@1.0.4 + +0.0.3 / 2014-07-11 +================== + + * deps: debug@1.0.3 + - Add support for multiple wildcards in namespaces + +0.0.2 / 2014-06-19 +================== + + * Handle invalid status codes + +0.0.1 / 2014-06-05 +================== + + * deps: debug@1.0.2 + +0.0.0 / 2014-06-05 +================== + + * Extracted from connect/express diff --git a/middleware/node_modules/finalhandler/LICENSE b/middleware/node_modules/finalhandler/LICENSE new file mode 100644 index 0000000..fb30982 --- /dev/null +++ b/middleware/node_modules/finalhandler/LICENSE @@ -0,0 +1,22 @@ +(The MIT License) + +Copyright (c) 2014-2017 Douglas Christopher Wilson <doug@somethingdoug.com> + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +'Software'), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/middleware/node_modules/finalhandler/README.md b/middleware/node_modules/finalhandler/README.md new file mode 100644 index 0000000..96327f0 --- /dev/null +++ b/middleware/node_modules/finalhandler/README.md @@ -0,0 +1,148 @@ +# finalhandler + +[![NPM Version][npm-image]][npm-url] +[![NPM Downloads][downloads-image]][downloads-url] +[![Node.js Version][node-image]][node-url] +[![Build Status][travis-image]][travis-url] +[![Test Coverage][coveralls-image]][coveralls-url] + +Node.js function to invoke as the final step to respond to HTTP request. + +## Installation + +This is a [Node.js](https://nodejs.org/en/) module available through the +[npm registry](https://www.npmjs.com/). Installation is done using the +[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally): + +```sh +$ npm install finalhandler +``` + +## API + +<!-- eslint-disable no-unused-vars --> + +```js +var finalhandler = require('finalhandler') +``` + +### finalhandler(req, res, [options]) + +Returns function to be invoked as the final step for the given `req` and `res`. +This function is to be invoked as `fn(err)`. If `err` is falsy, the handler will +write out a 404 response to the `res`. If it is truthy, an error response will +be written out to the `res`. + +When an error is written, the following information is added to the response: + + * The `res.statusCode` is set from `err.status` (or `err.statusCode`). If + this value is outside the 4xx or 5xx range, it will be set to 500. + * The `res.statusMessage` is set according to the status code. + * The body will be the HTML of the status code message if `env` is + `'production'`, otherwise will be `err.stack`. + * Any headers specified in an `err.headers` object. + +The final handler will also unpipe anything from `req` when it is invoked. + +#### options.env + +By default, the environment is determined by `NODE_ENV` variable, but it can be +overridden by this option. + +#### options.onerror + +Provide a function to be called with the `err` when it exists. Can be used for +writing errors to a central location without excessive function generation. Called +as `onerror(err, req, res)`. + +## Examples + +### always 404 + +```js +var finalhandler = require('finalhandler') +var http = require('http') + +var server = http.createServer(function (req, res) { + var done = finalhandler(req, res) + done() +}) + +server.listen(3000) +``` + +### perform simple action + +```js +var finalhandler = require('finalhandler') +var fs = require('fs') +var http = require('http') + +var server = http.createServer(function (req, res) { + var done = finalhandler(req, res) + + fs.readFile('index.html', function (err, buf) { + if (err) return done(err) + res.setHeader('Content-Type', 'text/html') + res.end(buf) + }) +}) + +server.listen(3000) +``` + +### use with middleware-style functions + +```js +var finalhandler = require('finalhandler') +var http = require('http') +var serveStatic = require('serve-static') + +var serve = serveStatic('public') + +var server = http.createServer(function (req, res) { + var done = finalhandler(req, res) + serve(req, res, done) +}) + +server.listen(3000) +``` + +### keep log of all errors + +```js +var finalhandler = require('finalhandler') +var fs = require('fs') +var http = require('http') + +var server = http.createServer(function (req, res) { + var done = finalhandler(req, res, { onerror: logerror }) + + fs.readFile('index.html', function (err, buf) { + if (err) return done(err) + res.setHeader('Content-Type', 'text/html') + res.end(buf) + }) +}) + +server.listen(3000) + +function logerror (err) { + console.error(err.stack || err.toString()) +} +``` + +## License + +[MIT](LICENSE) + +[npm-image]: https://img.shields.io/npm/v/finalhandler.svg +[npm-url]: https://npmjs.org/package/finalhandler +[node-image]: https://img.shields.io/node/v/finalhandler.svg +[node-url]: https://nodejs.org/en/download +[travis-image]: https://img.shields.io/travis/pillarjs/finalhandler.svg +[travis-url]: https://travis-ci.org/pillarjs/finalhandler +[coveralls-image]: https://img.shields.io/coveralls/pillarjs/finalhandler.svg +[coveralls-url]: https://coveralls.io/r/pillarjs/finalhandler?branch=master +[downloads-image]: https://img.shields.io/npm/dm/finalhandler.svg +[downloads-url]: https://npmjs.org/package/finalhandler diff --git a/middleware/node_modules/finalhandler/index.js b/middleware/node_modules/finalhandler/index.js new file mode 100644 index 0000000..5673507 --- /dev/null +++ b/middleware/node_modules/finalhandler/index.js @@ -0,0 +1,331 @@ +/*! + * finalhandler + * Copyright(c) 2014-2017 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict' + +/** + * Module dependencies. + * @private + */ + +var debug = require('debug')('finalhandler') +var encodeUrl = require('encodeurl') +var escapeHtml = require('escape-html') +var onFinished = require('on-finished') +var parseUrl = require('parseurl') +var statuses = require('statuses') +var unpipe = require('unpipe') + +/** + * Module variables. + * @private + */ + +var DOUBLE_SPACE_REGEXP = /\x20{2}/g +var NEWLINE_REGEXP = /\n/g + +/* istanbul ignore next */ +var defer = typeof setImmediate === 'function' + ? setImmediate + : function (fn) { process.nextTick(fn.bind.apply(fn, arguments)) } +var isFinished = onFinished.isFinished + +/** + * Create a minimal HTML document. + * + * @param {string} message + * @private + */ + +function createHtmlDocument (message) { + var body = escapeHtml(message) + .replace(NEWLINE_REGEXP, '<br>') + .replace(DOUBLE_SPACE_REGEXP, ' ') + + return '<!DOCTYPE html>\n' + + '<html lang="en">\n' + + '<head>\n' + + '<meta charset="utf-8">\n' + + '<title>Error</title>\n' + + '</head>\n' + + '<body>\n' + + '<pre>' + body + '</pre>\n' + + '</body>\n' + + '</html>\n' +} + +/** + * Module exports. + * @public + */ + +module.exports = finalhandler + +/** + * Create a function to handle the final response. + * + * @param {Request} req + * @param {Response} res + * @param {Object} [options] + * @return {Function} + * @public + */ + +function finalhandler (req, res, options) { + var opts = options || {} + + // get environment + var env = opts.env || process.env.NODE_ENV || 'development' + + // get error callback + var onerror = opts.onerror + + return function (err) { + var headers + var msg + var status + + // ignore 404 on in-flight response + if (!err && headersSent(res)) { + debug('cannot 404 after headers sent') + return + } + + // unhandled error + if (err) { + // respect status code from error + status = getErrorStatusCode(err) + + if (status === undefined) { + // fallback to status code on response + status = getResponseStatusCode(res) + } else { + // respect headers from error + headers = getErrorHeaders(err) + } + + // get error message + msg = getErrorMessage(err, status, env) + } else { + // not found + status = 404 + msg = 'Cannot ' + req.method + ' ' + encodeUrl(getResourceName(req)) + } + + debug('default %s', status) + + // schedule onerror callback + if (err && onerror) { + defer(onerror, err, req, res) + } + + // cannot actually respond + if (headersSent(res)) { + debug('cannot %d after headers sent', status) + req.socket.destroy() + return + } + + // send response + send(req, res, status, headers, msg) + } +} + +/** + * Get headers from Error object. + * + * @param {Error} err + * @return {object} + * @private + */ + +function getErrorHeaders (err) { + if (!err.headers || typeof err.headers !== 'object') { + return undefined + } + + var headers = Object.create(null) + var keys = Object.keys(err.headers) + + for (var i = 0; i < keys.length; i++) { + var key = keys[i] + headers[key] = err.headers[key] + } + + return headers +} + +/** + * Get message from Error object, fallback to status message. + * + * @param {Error} err + * @param {number} status + * @param {string} env + * @return {string} + * @private + */ + +function getErrorMessage (err, status, env) { + var msg + + if (env !== 'production') { + // use err.stack, which typically includes err.message + msg = err.stack + + // fallback to err.toString() when possible + if (!msg && typeof err.toString === 'function') { + msg = err.toString() + } + } + + return msg || statuses[status] +} + +/** + * Get status code from Error object. + * + * @param {Error} err + * @return {number} + * @private + */ + +function getErrorStatusCode (err) { + // check err.status + if (typeof err.status === 'number' && err.status >= 400 && err.status < 600) { + return err.status + } + + // check err.statusCode + if (typeof err.statusCode === 'number' && err.statusCode >= 400 && err.statusCode < 600) { + return err.statusCode + } + + return undefined +} + +/** + * Get resource name for the request. + * + * This is typically just the original pathname of the request + * but will fallback to "resource" is that cannot be determined. + * + * @param {IncomingMessage} req + * @return {string} + * @private + */ + +function getResourceName (req) { + try { + return parseUrl.original(req).pathname + } catch (e) { + return 'resource' + } +} + +/** + * Get status code from response. + * + * @param {OutgoingMessage} res + * @return {number} + * @private + */ + +function getResponseStatusCode (res) { + var status = res.statusCode + + // default status code to 500 if outside valid range + if (typeof status !== 'number' || status < 400 || status > 599) { + status = 500 + } + + return status +} + +/** + * 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 +} + +/** + * Send response. + * + * @param {IncomingMessage} req + * @param {OutgoingMessage} res + * @param {number} status + * @param {object} headers + * @param {string} message + * @private + */ + +function send (req, res, status, headers, message) { + function write () { + // response body + var body = createHtmlDocument(message) + + // response status + res.statusCode = status + res.statusMessage = statuses[status] + + // response headers + setHeaders(res, headers) + + // security headers + res.setHeader('Content-Security-Policy', "default-src 'none'") + res.setHeader('X-Content-Type-Options', 'nosniff') + + // standard headers + res.setHeader('Content-Type', 'text/html; charset=utf-8') + res.setHeader('Content-Length', Buffer.byteLength(body, 'utf8')) + + if (req.method === 'HEAD') { + res.end() + return + } + + res.end(body, 'utf8') + } + + if (isFinished(req)) { + write() + return + } + + // unpipe everything from the request + unpipe(req) + + // flush the request + onFinished(req, write) + req.resume() +} + +/** + * Set response headers from an object. + * + * @param {OutgoingMessage} res + * @param {object} headers + * @private + */ + +function setHeaders (res, headers) { + if (!headers) { + return + } + + var keys = Object.keys(headers) + for (var i = 0; i < keys.length; i++) { + var key = keys[i] + res.setHeader(key, headers[key]) + } +} diff --git a/middleware/node_modules/finalhandler/package.json b/middleware/node_modules/finalhandler/package.json new file mode 100644 index 0000000..79c8f3e --- /dev/null +++ b/middleware/node_modules/finalhandler/package.json @@ -0,0 +1,45 @@ +{ + "name": "finalhandler", + "description": "Node.js final http responder", + "version": "1.1.2", + "author": "Douglas Christopher Wilson <doug@somethingdoug.com>", + "license": "MIT", + "repository": "pillarjs/finalhandler", + "dependencies": { + "debug": "2.6.9", + "encodeurl": "~1.0.2", + "escape-html": "~1.0.3", + "on-finished": "~2.3.0", + "parseurl": "~1.3.3", + "statuses": "~1.5.0", + "unpipe": "~1.0.0" + }, + "devDependencies": { + "eslint": "5.16.0", + "eslint-config-standard": "12.0.0", + "eslint-plugin-import": "2.17.2", + "eslint-plugin-markdown": "1.0.0", + "eslint-plugin-node": "8.0.1", + "eslint-plugin-promise": "4.1.1", + "eslint-plugin-standard": "4.0.0", + "istanbul": "0.4.5", + "mocha": "6.1.4", + "readable-stream": "2.3.6", + "safe-buffer": "5.1.2", + "supertest": "4.0.2" + }, + "files": [ + "LICENSE", + "HISTORY.md", + "index.js" + ], + "engines": { + "node": ">= 0.8" + }, + "scripts": { + "lint": "eslint --plugin markdown --ext js,md .", + "test": "mocha --reporter spec --bail --check-leaks test/", + "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/", + "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/" + } +} |