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653
app/node_modules/hawk/lib/browser.js
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vendored
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653
app/node_modules/hawk/lib/browser.js
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vendored
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@@ -0,0 +1,653 @@
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'use strict';
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/*
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HTTP Hawk Authentication Scheme
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Copyright (c) 2012-2016, Eran Hammer <eran@hammer.io>
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BSD Licensed
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*/
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// Declare namespace
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const hawk = {
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internals: {}
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};
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hawk.client = {
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// Generate an Authorization header for a given request
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/*
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uri: 'http://example.com/resource?a=b' or object generated by hawk.utils.parseUri()
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method: HTTP verb (e.g. 'GET', 'POST')
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options: {
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// Required
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credentials: {
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id: 'dh37fgj492je',
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key: 'aoijedoaijsdlaksjdl',
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algorithm: 'sha256' // 'sha1', 'sha256'
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},
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// Optional
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ext: 'application-specific', // Application specific data sent via the ext attribute
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timestamp: Date.now() / 1000, // A pre-calculated timestamp in seconds
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nonce: '2334f34f', // A pre-generated nonce
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localtimeOffsetMsec: 400, // Time offset to sync with server time (ignored if timestamp provided)
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payload: '{"some":"payload"}', // UTF-8 encoded string for body hash generation (ignored if hash provided)
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contentType: 'application/json', // Payload content-type (ignored if hash provided)
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hash: 'U4MKKSmiVxk37JCCrAVIjV=', // Pre-calculated payload hash
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app: '24s23423f34dx', // Oz application id
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dlg: '234sz34tww3sd' // Oz delegated-by application id
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}
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*/
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header: function (uri, method, options) {
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const result = {
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field: '',
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artifacts: {}
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};
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// Validate inputs
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if (!uri || (typeof uri !== 'string' && typeof uri !== 'object') ||
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!method || typeof method !== 'string' ||
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!options || typeof options !== 'object') {
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result.err = 'Invalid argument type';
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return result;
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}
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// Application time
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const timestamp = options.timestamp || hawk.utils.nowSec(options.localtimeOffsetMsec);
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// Validate credentials
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const credentials = options.credentials;
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if (!credentials ||
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!credentials.id ||
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!credentials.key ||
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!credentials.algorithm) {
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result.err = 'Invalid credentials object';
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return result;
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}
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if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
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result.err = 'Unknown algorithm';
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return result;
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}
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// Parse URI
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if (typeof uri === 'string') {
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uri = hawk.utils.parseUri(uri);
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}
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// Calculate signature
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const artifacts = {
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ts: timestamp,
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nonce: options.nonce || hawk.utils.randomString(6),
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method,
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resource: uri.resource,
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host: uri.host,
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port: uri.port,
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hash: options.hash,
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ext: options.ext,
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app: options.app,
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dlg: options.dlg
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};
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result.artifacts = artifacts;
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// Calculate payload hash
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if (!artifacts.hash &&
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(options.payload || options.payload === '')) {
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artifacts.hash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, options.contentType);
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}
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const mac = hawk.crypto.calculateMac('header', credentials, artifacts);
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// Construct header
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const hasExt = artifacts.ext !== null && artifacts.ext !== undefined && artifacts.ext !== ''; // Other falsey values allowed
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let header = 'Hawk id="' + credentials.id +
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'", ts="' + artifacts.ts +
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'", nonce="' + artifacts.nonce +
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(artifacts.hash ? '", hash="' + artifacts.hash : '') +
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(hasExt ? '", ext="' + hawk.utils.escapeHeaderAttribute(artifacts.ext) : '') +
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'", mac="' + mac + '"';
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if (artifacts.app) {
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header += ', app="' + artifacts.app +
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(artifacts.dlg ? '", dlg="' + artifacts.dlg : '') + '"';
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}
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result.field = header;
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return result;
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},
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// Generate a bewit value for a given URI
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/*
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uri: 'http://example.com/resource?a=b'
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options: {
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// Required
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credentials: {
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id: 'dh37fgj492je',
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key: 'aoijedoaijsdlaksjdl',
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algorithm: 'sha256' // 'sha1', 'sha256'
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},
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ttlSec: 60 * 60, // TTL in seconds
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// Optional
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ext: 'application-specific', // Application specific data sent via the ext attribute
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localtimeOffsetMsec: 400 // Time offset to sync with server time
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};
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*/
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bewit: function (uri, options) {
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// Validate inputs
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if (!uri ||
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(typeof uri !== 'string') ||
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!options ||
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typeof options !== 'object' ||
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!options.ttlSec) {
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return '';
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}
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options.ext = (options.ext === null || options.ext === undefined ? '' : options.ext); // Zero is valid value
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// Application time
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const now = hawk.utils.nowSec(options.localtimeOffsetMsec);
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// Validate credentials
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const credentials = options.credentials;
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if (!credentials ||
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!credentials.id ||
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!credentials.key ||
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!credentials.algorithm) {
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return '';
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}
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if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
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return '';
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}
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// Parse URI
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uri = hawk.utils.parseUri(uri);
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// Calculate signature
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const exp = now + options.ttlSec;
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const mac = hawk.crypto.calculateMac('bewit', credentials, {
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ts: exp,
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nonce: '',
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method: 'GET',
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resource: uri.resource, // Maintain trailing '?' and query params
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host: uri.host,
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port: uri.port,
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ext: options.ext
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});
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// Construct bewit: id\exp\mac\ext
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const bewit = credentials.id + '\\' + exp + '\\' + mac + '\\' + options.ext;
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return hawk.utils.base64urlEncode(bewit);
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},
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// Validate server response
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/*
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request: object created via 'new XMLHttpRequest()' after response received or fetch API 'Response'
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artifacts: object received from header().artifacts
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options: {
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payload: optional payload received
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required: specifies if a Server-Authorization header is required. Defaults to 'false'
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}
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*/
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authenticate: function (request, credentials, artifacts, options) {
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options = options || {};
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const getHeader = function (name) {
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// Fetch API or plain headers
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if (request.headers) {
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return (typeof request.headers.get === 'function' ? request.headers.get(name) : request.headers[name]);
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}
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// XMLHttpRequest
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return (request.getResponseHeader ? request.getResponseHeader(name) : request.getHeader(name));
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};
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const wwwAuthenticate = getHeader('www-authenticate');
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if (wwwAuthenticate) {
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// Parse HTTP WWW-Authenticate header
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const wwwAttributes = hawk.utils.parseAuthorizationHeader(wwwAuthenticate, ['ts', 'tsm', 'error']);
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if (!wwwAttributes) {
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return false;
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}
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if (wwwAttributes.ts) {
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const tsm = hawk.crypto.calculateTsMac(wwwAttributes.ts, credentials);
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if (tsm !== wwwAttributes.tsm) {
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return false;
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}
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hawk.utils.setNtpSecOffset(wwwAttributes.ts - Math.floor(Date.now() / 1000)); // Keep offset at 1 second precision
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}
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}
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// Parse HTTP Server-Authorization header
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const serverAuthorization = getHeader('server-authorization');
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if (!serverAuthorization &&
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!options.required) {
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return true;
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}
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const attributes = hawk.utils.parseAuthorizationHeader(serverAuthorization, ['mac', 'ext', 'hash']);
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if (!attributes) {
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return false;
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}
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const modArtifacts = {
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ts: artifacts.ts,
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nonce: artifacts.nonce,
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method: artifacts.method,
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resource: artifacts.resource,
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host: artifacts.host,
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port: artifacts.port,
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hash: attributes.hash,
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ext: attributes.ext,
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app: artifacts.app,
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dlg: artifacts.dlg
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};
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const mac = hawk.crypto.calculateMac('response', credentials, modArtifacts);
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if (mac !== attributes.mac) {
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return false;
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}
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if (!options.payload &&
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options.payload !== '') {
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return true;
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}
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if (!attributes.hash) {
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return false;
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}
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const calculatedHash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, getHeader('content-type'));
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return (calculatedHash === attributes.hash);
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},
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message: function (host, port, message, options) {
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// Validate inputs
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if (!host || typeof host !== 'string' ||
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!port || typeof port !== 'number' ||
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message === null || message === undefined || typeof message !== 'string' ||
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!options || typeof options !== 'object') {
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return null;
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}
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// Application time
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const timestamp = options.timestamp || hawk.utils.nowSec(options.localtimeOffsetMsec);
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|
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// Validate credentials
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const credentials = options.credentials;
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if (!credentials ||
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!credentials.id ||
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!credentials.key ||
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||||
!credentials.algorithm) {
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|
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// Invalid credential object
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return null;
|
||||
}
|
||||
|
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if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
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return null;
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}
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// Calculate signature
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||||
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const artifacts = {
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ts: timestamp,
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nonce: options.nonce || hawk.utils.randomString(6),
|
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host,
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port,
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hash: hawk.crypto.calculatePayloadHash(message, credentials.algorithm)
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};
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||||
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// Construct authorization
|
||||
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||||
const result = {
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id: credentials.id,
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||||
ts: artifacts.ts,
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nonce: artifacts.nonce,
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hash: artifacts.hash,
|
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mac: hawk.crypto.calculateMac('message', credentials, artifacts)
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};
|
||||
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return result;
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||||
},
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||||
|
||||
authenticateTimestamp: function (message, credentials, updateClock) { // updateClock defaults to true
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const tsm = hawk.crypto.calculateTsMac(message.ts, credentials);
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if (tsm !== message.tsm) {
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return false;
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||||
}
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||||
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||||
if (updateClock !== false) {
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||||
hawk.utils.setNtpSecOffset(message.ts - Math.floor(Date.now() / 1000)); // Keep offset at 1 second precision
|
||||
}
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||||
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return true;
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}
|
||||
};
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||||
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||||
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hawk.crypto = {
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||||
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headerVersion: '1',
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||||
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algorithms: ['sha1', 'sha256'],
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||||
calculateMac: function (type, credentials, options) {
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||||
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const normalized = hawk.crypto.generateNormalizedString(type, options);
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||||
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||||
const hmac = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()](normalized, credentials.key);
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||||
return hmac.toString(CryptoJS.enc.Base64);
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},
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||||
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generateNormalizedString: function (type, options) {
|
||||
|
||||
let normalized = 'hawk.' + hawk.crypto.headerVersion + '.' + type + '\n' +
|
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options.ts + '\n' +
|
||||
options.nonce + '\n' +
|
||||
(options.method || '').toUpperCase() + '\n' +
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(options.resource || '') + '\n' +
|
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options.host.toLowerCase() + '\n' +
|
||||
options.port + '\n' +
|
||||
(options.hash || '') + '\n';
|
||||
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||||
if (options.ext) {
|
||||
normalized += options.ext.replace('\\', '\\\\').replace('\n', '\\n');
|
||||
}
|
||||
|
||||
normalized += '\n';
|
||||
|
||||
if (options.app) {
|
||||
normalized += options.app + '\n' +
|
||||
(options.dlg || '') + '\n';
|
||||
}
|
||||
|
||||
return normalized;
|
||||
},
|
||||
|
||||
calculatePayloadHash: function (payload, algorithm, contentType) {
|
||||
|
||||
const hash = CryptoJS.algo[algorithm.toUpperCase()].create();
|
||||
hash.update('hawk.' + hawk.crypto.headerVersion + '.payload\n');
|
||||
hash.update(hawk.utils.parseContentType(contentType) + '\n');
|
||||
hash.update(payload);
|
||||
hash.update('\n');
|
||||
return hash.finalize().toString(CryptoJS.enc.Base64);
|
||||
},
|
||||
|
||||
calculateTsMac: function (ts, credentials) {
|
||||
|
||||
const hash = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()]('hawk.' + hawk.crypto.headerVersion + '.ts\n' + ts + '\n', credentials.key);
|
||||
return hash.toString(CryptoJS.enc.Base64);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
// localStorage compatible interface
|
||||
|
||||
hawk.internals.LocalStorage = function () {
|
||||
|
||||
this._cache = {};
|
||||
this.length = 0;
|
||||
|
||||
this.getItem = function (key) {
|
||||
|
||||
return this._cache.hasOwnProperty(key) ? String(this._cache[key]) : null;
|
||||
};
|
||||
|
||||
this.setItem = function (key, value) {
|
||||
|
||||
this._cache[key] = String(value);
|
||||
this.length = Object.keys(this._cache).length;
|
||||
};
|
||||
|
||||
this.removeItem = function (key) {
|
||||
|
||||
delete this._cache[key];
|
||||
this.length = Object.keys(this._cache).length;
|
||||
};
|
||||
|
||||
this.clear = function () {
|
||||
|
||||
this._cache = {};
|
||||
this.length = 0;
|
||||
};
|
||||
|
||||
this.key = function (i) {
|
||||
|
||||
return Object.keys(this._cache)[i || 0];
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
hawk.utils = {
|
||||
|
||||
storage: new hawk.internals.LocalStorage(),
|
||||
|
||||
setStorage: function (storage) {
|
||||
|
||||
const ntpOffset = hawk.utils.storage.getItem('hawk_ntp_offset');
|
||||
hawk.utils.storage = storage;
|
||||
if (ntpOffset) {
|
||||
hawk.utils.setNtpSecOffset(ntpOffset);
|
||||
}
|
||||
},
|
||||
|
||||
setNtpSecOffset: function (offset) {
|
||||
|
||||
try {
|
||||
hawk.utils.storage.setItem('hawk_ntp_offset', offset);
|
||||
}
|
||||
catch (err) {
|
||||
console.error('[hawk] could not write to storage.');
|
||||
console.error(err);
|
||||
}
|
||||
},
|
||||
|
||||
getNtpSecOffset: function () {
|
||||
|
||||
const offset = hawk.utils.storage.getItem('hawk_ntp_offset');
|
||||
if (!offset) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return parseInt(offset, 10);
|
||||
},
|
||||
|
||||
now: function (localtimeOffsetMsec) {
|
||||
|
||||
return Date.now() + (localtimeOffsetMsec || 0) + (hawk.utils.getNtpSecOffset() * 1000);
|
||||
},
|
||||
|
||||
nowSec: function (localtimeOffsetMsec) {
|
||||
|
||||
return Math.floor(hawk.utils.now(localtimeOffsetMsec) / 1000);
|
||||
},
|
||||
|
||||
escapeHeaderAttribute: function (attribute) {
|
||||
|
||||
return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');
|
||||
},
|
||||
|
||||
parseContentType: function (header) {
|
||||
|
||||
if (!header) {
|
||||
return '';
|
||||
}
|
||||
|
||||
return header.split(';')[0].replace(/^\s+|\s+$/g, '').toLowerCase();
|
||||
},
|
||||
|
||||
parseAuthorizationHeader: function (header, keys) {
|
||||
|
||||
if (!header) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const headerParts = header.match(/^(\w+)(?:\s+(.*))?$/); // Header: scheme[ something]
|
||||
if (!headerParts) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const scheme = headerParts[1];
|
||||
if (scheme.toLowerCase() !== 'hawk') {
|
||||
return null;
|
||||
}
|
||||
|
||||
const attributesString = headerParts[2];
|
||||
if (!attributesString) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const attributes = {};
|
||||
const verify = attributesString.replace(/(\w+)="([^"\\]*)"\s*(?:,\s*|$)/g, ($0, $1, $2) => {
|
||||
|
||||
// Check valid attribute names
|
||||
|
||||
if (keys.indexOf($1) === -1) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Allowed attribute value characters: !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9
|
||||
|
||||
if ($2.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~]+$/) === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Check for duplicates
|
||||
|
||||
if (attributes.hasOwnProperty($1)) {
|
||||
return;
|
||||
}
|
||||
|
||||
attributes[$1] = $2;
|
||||
return '';
|
||||
});
|
||||
|
||||
if (verify !== '') {
|
||||
return null;
|
||||
}
|
||||
|
||||
return attributes;
|
||||
},
|
||||
|
||||
randomString: function (size) {
|
||||
|
||||
const randomSource = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
|
||||
const len = randomSource.length;
|
||||
|
||||
const result = [];
|
||||
for (let i = 0; i < size; ++i) {
|
||||
result[i] = randomSource[Math.floor(Math.random() * len)];
|
||||
}
|
||||
|
||||
return result.join('');
|
||||
},
|
||||
|
||||
// 1 2 3 4
|
||||
uriRegex: /^([^:]+)\:\/\/(?:[^@/]*@)?([^\/:]+)(?:\:(\d+))?([^#]*)(?:#.*)?$/, // scheme://credentials@host:port/resource#fragment
|
||||
parseUri: function (input) {
|
||||
|
||||
const parts = input.match(hawk.utils.uriRegex);
|
||||
if (!parts) {
|
||||
return { host: '', port: '', resource: '' };
|
||||
}
|
||||
|
||||
const scheme = parts[1].toLowerCase();
|
||||
const uri = {
|
||||
host: parts[2],
|
||||
port: parts[3] || (scheme === 'http' ? '80' : (scheme === 'https' ? '443' : '')),
|
||||
resource: parts[4]
|
||||
};
|
||||
|
||||
return uri;
|
||||
},
|
||||
|
||||
base64urlEncode: function (value) {
|
||||
|
||||
const wordArray = CryptoJS.enc.Utf8.parse(value);
|
||||
const encoded = CryptoJS.enc.Base64.stringify(wordArray);
|
||||
return encoded.replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
// $lab:coverage:off$
|
||||
/* eslint-disable */
|
||||
|
||||
// Based on: Crypto-JS v3.1.2
|
||||
// Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
|
||||
// http://code.google.com/p/crypto-js/
|
||||
// http://code.google.com/p/crypto-js/wiki/License
|
||||
|
||||
var CryptoJS = CryptoJS || function (h, r) { var k = {}, l = k.lib = {}, n = function () { }, f = l.Base = { extend: function (a) { n.prototype = this; var b = new n; a && b.mixIn(a); b.hasOwnProperty("init") || (b.init = function () { b.$super.init.apply(this, arguments) }); b.init.prototype = b; b.$super = this; return b }, create: function () { var a = this.extend(); a.init.apply(a, arguments); return a }, init: function () { }, mixIn: function (a) { for (let b in a) a.hasOwnProperty(b) && (this[b] = a[b]); a.hasOwnProperty("toString") && (this.toString = a.toString) }, clone: function () { return this.init.prototype.extend(this) } }, j = l.WordArray = f.extend({ init: function (a, b) { a = this.words = a || []; this.sigBytes = b != r ? b : 4 * a.length }, toString: function (a) { return (a || s).stringify(this) }, concat: function (a) { var b = this.words, d = a.words, c = this.sigBytes; a = a.sigBytes; this.clamp(); if (c % 4) for (let e = 0; e < a; e++) b[c + e >>> 2] |= (d[e >>> 2] >>> 24 - 8 * (e % 4) & 255) << 24 - 8 * ((c + e) % 4); else if (65535 < d.length) for (let e = 0; e < a; e += 4) b[c + e >>> 2] = d[e >>> 2]; else b.push.apply(b, d); this.sigBytes += a; return this }, clamp: function () { var a = this.words, b = this.sigBytes; a[b >>> 2] &= 4294967295 << 32 - 8 * (b % 4); a.length = h.ceil(b / 4) }, clone: function () { var a = f.clone.call(this); a.words = this.words.slice(0); return a }, random: function (a) { for (let b = [], d = 0; d < a; d += 4) b.push(4294967296 * h.random() | 0); return new j.init(b, a) } }), m = k.enc = {}, s = m.Hex = { stringify: function (a) { var b = a.words; a = a.sigBytes; for (var d = [], c = 0; c < a; c++) { var e = b[c >>> 2] >>> 24 - 8 * (c % 4) & 255; d.push((e >>> 4).toString(16)); d.push((e & 15).toString(16)) } return d.join("") }, parse: function (a) { for (var b = a.length, d = [], c = 0; c < b; c += 2) d[c >>> 3] |= parseInt(a.substr(c, 2), 16) << 24 - 4 * (c % 8); return new j.init(d, b / 2) } }, p = m.Latin1 = { stringify: function (a) { var b = a.words; a = a.sigBytes; for (var d = [], c = 0; c < a; c++) d.push(String.fromCharCode(b[c >>> 2] >>> 24 - 8 * (c % 4) & 255)); return d.join("") }, parse: function (a) { for (var b = a.length, d = [], c = 0; c < b; c++) d[c >>> 2] |= (a.charCodeAt(c) & 255) << 24 - 8 * (c % 4); return new j.init(d, b) } }, t = m.Utf8 = { stringify: function (a) { try { return decodeURIComponent(escape(p.stringify(a))) } catch (b) { throw Error("Malformed UTF-8 data"); } }, parse: function (a) { return p.parse(unescape(encodeURIComponent(a))) } }, q = l.BufferedBlockAlgorithm = f.extend({ reset: function () { this._data = new j.init; this._nDataBytes = 0 }, _append: function (a) { "string" == typeof a && (a = t.parse(a)); this._data.concat(a); this._nDataBytes += a.sigBytes }, _process: function (a) { var b = this._data, d = b.words, c = b.sigBytes, e = this.blockSize, f = c / (4 * e), f = a ? h.ceil(f) : h.max((f | 0) - this._minBufferSize, 0); a = f * e; c = h.min(4 * a, c); if (a) { for (var g = 0; g < a; g += e) this._doProcessBlock(d, g); g = d.splice(0, a); b.sigBytes -= c } return new j.init(g, c) }, clone: function () { var a = f.clone.call(this); a._data = this._data.clone(); return a }, _minBufferSize: 0 }); l.Hasher = q.extend({ cfg: f.extend(), init: function (a) { this.cfg = this.cfg.extend(a); this.reset() }, reset: function () { q.reset.call(this); this._doReset() }, update: function (a) { this._append(a); this._process(); return this }, finalize: function (a) { a && this._append(a); return this._doFinalize() }, blockSize: 16, _createHelper: function (a) { return function (b, d) { return (new a.init(d)).finalize(b) } }, _createHmacHelper: function (a) { return function (b, d) { return (new u.HMAC.init(a, d)).finalize(b) } } }); var u = k.algo = {}; return k }(Math);
|
||||
(() => { var k = CryptoJS, b = k.lib, m = b.WordArray, l = b.Hasher, d = [], b = k.algo.SHA1 = l.extend({ _doReset: function () { this._hash = new m.init([1732584193, 4023233417, 2562383102, 271733878, 3285377520]) }, _doProcessBlock: function (n, p) { for (var a = this._hash.words, e = a[0], f = a[1], h = a[2], j = a[3], b = a[4], c = 0; 80 > c; c++) { if (16 > c) d[c] = n[p + c] | 0; else { var g = d[c - 3] ^ d[c - 8] ^ d[c - 14] ^ d[c - 16]; d[c] = g << 1 | g >>> 31 } g = (e << 5 | e >>> 27) + b + d[c]; g = 20 > c ? g + ((f & h | ~f & j) + 1518500249) : 40 > c ? g + ((f ^ h ^ j) + 1859775393) : 60 > c ? g + ((f & h | f & j | h & j) - 1894007588) : g + ((f ^ h ^ j) - 899497514); b = j; j = h; h = f << 30 | f >>> 2; f = e; e = g } a[0] = a[0] + e | 0; a[1] = a[1] + f | 0; a[2] = a[2] + h | 0; a[3] = a[3] + j | 0; a[4] = a[4] + b | 0 }, _doFinalize: function () { var b = this._data, d = b.words, a = 8 * this._nDataBytes, e = 8 * b.sigBytes; d[e >>> 5] |= 128 << 24 - e % 32; d[(e + 64 >>> 9 << 4) + 14] = Math.floor(a / 4294967296); d[(e + 64 >>> 9 << 4) + 15] = a; b.sigBytes = 4 * d.length; this._process(); return this._hash }, clone: function () { var b = l.clone.call(this); b._hash = this._hash.clone(); return b } }); k.SHA1 = l._createHelper(b); k.HmacSHA1 = l._createHmacHelper(b) })();
|
||||
(function (k) { for (var g = CryptoJS, h = g.lib, v = h.WordArray, j = h.Hasher, h = g.algo, s = [], t = [], u = function (q) { return 4294967296 * (q - (q | 0)) | 0 }, l = 2, b = 0; 64 > b;) { var d; a: { d = l; for (var w = k.sqrt(d), r = 2; r <= w; r++) if (!(d % r)) { d = !1; break a } d = !0 } d && (8 > b && (s[b] = u(k.pow(l, 0.5))), t[b] = u(k.pow(l, 1 / 3)), b++); l++ } var n = [], h = h.SHA256 = j.extend({ _doReset: function () { this._hash = new v.init(s.slice(0)) }, _doProcessBlock: function (q, h) { for (var a = this._hash.words, c = a[0], d = a[1], b = a[2], k = a[3], f = a[4], g = a[5], j = a[6], l = a[7], e = 0; 64 > e; e++) { if (16 > e) n[e] = q[h + e] | 0; else { var m = n[e - 15], p = n[e - 2]; n[e] = ((m << 25 | m >>> 7) ^ (m << 14 | m >>> 18) ^ m >>> 3) + n[e - 7] + ((p << 15 | p >>> 17) ^ (p << 13 | p >>> 19) ^ p >>> 10) + n[e - 16] } m = l + ((f << 26 | f >>> 6) ^ (f << 21 | f >>> 11) ^ (f << 7 | f >>> 25)) + (f & g ^ ~f & j) + t[e] + n[e]; p = ((c << 30 | c >>> 2) ^ (c << 19 | c >>> 13) ^ (c << 10 | c >>> 22)) + (c & d ^ c & b ^ d & b); l = j; j = g; g = f; f = k + m | 0; k = b; b = d; d = c; c = m + p | 0 } a[0] = a[0] + c | 0; a[1] = a[1] + d | 0; a[2] = a[2] + b | 0; a[3] = a[3] + k | 0; a[4] = a[4] + f | 0; a[5] = a[5] + g | 0; a[6] = a[6] + j | 0; a[7] = a[7] + l | 0 }, _doFinalize: function () { var d = this._data, b = d.words, a = 8 * this._nDataBytes, c = 8 * d.sigBytes; b[c >>> 5] |= 128 << 24 - c % 32; b[(c + 64 >>> 9 << 4) + 14] = k.floor(a / 4294967296); b[(c + 64 >>> 9 << 4) + 15] = a; d.sigBytes = 4 * b.length; this._process(); return this._hash }, clone: function () { var b = j.clone.call(this); b._hash = this._hash.clone(); return b } }); g.SHA256 = j._createHelper(h); g.HmacSHA256 = j._createHmacHelper(h) })(Math);
|
||||
(() => { var c = CryptoJS, k = c.enc.Utf8; c.algo.HMAC = c.lib.Base.extend({ init: function (a, b) { a = this._hasher = new a.init; "string" == typeof b && (b = k.parse(b)); var c = a.blockSize, e = 4 * c; b.sigBytes > e && (b = a.finalize(b)); b.clamp(); for (var f = this._oKey = b.clone(), g = this._iKey = b.clone(), h = f.words, j = g.words, d = 0; d < c; d++) h[d] ^= 1549556828, j[d] ^= 909522486; f.sigBytes = g.sigBytes = e; this.reset() }, reset: function () { var a = this._hasher; a.reset(); a.update(this._iKey) }, update: function (a) { this._hasher.update(a); return this }, finalize: function (a) { var b = this._hasher; a = b.finalize(a); b.reset(); return b.finalize(this._oKey.clone().concat(a)) } }) })();
|
||||
(() => { var h = CryptoJS, j = h.lib.WordArray; h.enc.Base64 = { stringify: function (b) { var e = b.words, f = b.sigBytes, c = this._map; b.clamp(); b = []; for (var a = 0; a < f; a += 3) for (var d = (e[a >>> 2] >>> 24 - 8 * (a % 4) & 255) << 16 | (e[a + 1 >>> 2] >>> 24 - 8 * ((a + 1) % 4) & 255) << 8 | e[a + 2 >>> 2] >>> 24 - 8 * ((a + 2) % 4) & 255, g = 0; 4 > g && a + 0.75 * g < f; g++) b.push(c.charAt(d >>> 6 * (3 - g) & 63)); if (e = c.charAt(64)) for (; b.length % 4;) b.push(e); return b.join("") }, parse: function (b) { var e = b.length, f = this._map, c = f.charAt(64); c && (c = b.indexOf(c), -1 != c && (e = c)); for (var c = [], a = 0, d = 0; d < e; d++) if (d % 4) { var g = f.indexOf(b.charAt(d - 1)) << 2 * (d % 4), h = f.indexOf(b.charAt(d)) >>> 6 - 2 * (d % 4); c[a >>> 2] |= (g | h) << 24 - 8 * (a % 4); a++ } return j.create(c, a) }, _map: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" } })();
|
||||
|
||||
|
||||
hawk.crypto.utils = CryptoJS;
|
||||
|
||||
// Export if used as a module
|
||||
|
||||
if (typeof module !== 'undefined' && module.exports) {
|
||||
module.exports = hawk;
|
||||
}
|
||||
|
||||
/* eslint-enable */
|
||||
// $lab:coverage:on$
|
||||
394
app/node_modules/hawk/lib/client.js
generated
vendored
Normal file
394
app/node_modules/hawk/lib/client.js
generated
vendored
Normal file
@@ -0,0 +1,394 @@
|
||||
'use strict';
|
||||
|
||||
// Load modules
|
||||
|
||||
const Url = require('url');
|
||||
const Hoek = require('hoek');
|
||||
const Cryptiles = require('cryptiles');
|
||||
const Crypto = require('./crypto');
|
||||
const Utils = require('./utils');
|
||||
|
||||
|
||||
// Declare internals
|
||||
|
||||
const internals = {};
|
||||
|
||||
|
||||
// Generate an Authorization header for a given request
|
||||
|
||||
/*
|
||||
uri: 'http://example.com/resource?a=b' or object from Url.parse()
|
||||
method: HTTP verb (e.g. 'GET', 'POST')
|
||||
options: {
|
||||
|
||||
// Required
|
||||
|
||||
credentials: {
|
||||
id: 'dh37fgj492je',
|
||||
key: 'aoijedoaijsdlaksjdl',
|
||||
algorithm: 'sha256' // 'sha1', 'sha256'
|
||||
},
|
||||
|
||||
// Optional
|
||||
|
||||
ext: 'application-specific', // Application specific data sent via the ext attribute
|
||||
timestamp: Date.now() / 1000, // A pre-calculated timestamp in seconds
|
||||
nonce: '2334f34f', // A pre-generated nonce
|
||||
localtimeOffsetMsec: 400, // Time offset to sync with server time (ignored if timestamp provided)
|
||||
payload: '{"some":"payload"}', // UTF-8 encoded string for body hash generation (ignored if hash provided)
|
||||
contentType: 'application/json', // Payload content-type (ignored if hash provided)
|
||||
hash: 'U4MKKSmiVxk37JCCrAVIjV=', // Pre-calculated payload hash
|
||||
app: '24s23423f34dx', // Oz application id
|
||||
dlg: '234sz34tww3sd' // Oz delegated-by application id
|
||||
}
|
||||
*/
|
||||
|
||||
exports.header = function (uri, method, options) {
|
||||
|
||||
const result = {
|
||||
field: '',
|
||||
artifacts: {}
|
||||
};
|
||||
|
||||
// Validate inputs
|
||||
|
||||
if (!uri || (typeof uri !== 'string' && typeof uri !== 'object') ||
|
||||
!method || typeof method !== 'string' ||
|
||||
!options || typeof options !== 'object') {
|
||||
|
||||
result.err = 'Invalid argument type';
|
||||
return result;
|
||||
}
|
||||
|
||||
// Application time
|
||||
|
||||
const timestamp = options.timestamp || Utils.nowSecs(options.localtimeOffsetMsec);
|
||||
|
||||
// Validate credentials
|
||||
|
||||
const credentials = options.credentials;
|
||||
if (!credentials ||
|
||||
!credentials.id ||
|
||||
!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
result.err = 'Invalid credential object';
|
||||
return result;
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
result.err = 'Unknown algorithm';
|
||||
return result;
|
||||
}
|
||||
|
||||
// Parse URI
|
||||
|
||||
if (typeof uri === 'string') {
|
||||
uri = Url.parse(uri);
|
||||
}
|
||||
|
||||
// Calculate signature
|
||||
|
||||
const artifacts = {
|
||||
ts: timestamp,
|
||||
nonce: options.nonce || Cryptiles.randomString(6),
|
||||
method,
|
||||
resource: uri.pathname + (uri.search || ''), // Maintain trailing '?'
|
||||
host: uri.hostname,
|
||||
port: uri.port || (uri.protocol === 'http:' ? 80 : 443),
|
||||
hash: options.hash,
|
||||
ext: options.ext,
|
||||
app: options.app,
|
||||
dlg: options.dlg
|
||||
};
|
||||
|
||||
result.artifacts = artifacts;
|
||||
|
||||
// Calculate payload hash
|
||||
|
||||
if (!artifacts.hash &&
|
||||
(options.payload || options.payload === '')) {
|
||||
|
||||
artifacts.hash = Crypto.calculatePayloadHash(options.payload, credentials.algorithm, options.contentType);
|
||||
}
|
||||
|
||||
const mac = Crypto.calculateMac('header', credentials, artifacts);
|
||||
|
||||
// Construct header
|
||||
|
||||
const hasExt = artifacts.ext !== null && artifacts.ext !== undefined && artifacts.ext !== ''; // Other falsey values allowed
|
||||
let header = 'Hawk id="' + credentials.id +
|
||||
'", ts="' + artifacts.ts +
|
||||
'", nonce="' + artifacts.nonce +
|
||||
(artifacts.hash ? '", hash="' + artifacts.hash : '') +
|
||||
(hasExt ? '", ext="' + Hoek.escapeHeaderAttribute(artifacts.ext) : '') +
|
||||
'", mac="' + mac + '"';
|
||||
|
||||
if (artifacts.app) {
|
||||
header = header + ', app="' + artifacts.app +
|
||||
(artifacts.dlg ? '", dlg="' + artifacts.dlg : '') + '"';
|
||||
}
|
||||
|
||||
result.field = header;
|
||||
|
||||
return result;
|
||||
};
|
||||
|
||||
|
||||
// Validate server response
|
||||
|
||||
/*
|
||||
res: node's response object
|
||||
artifacts: object received from header().artifacts
|
||||
options: {
|
||||
payload: optional payload received
|
||||
required: specifies if a Server-Authorization header is required. Defaults to 'false'
|
||||
}
|
||||
*/
|
||||
|
||||
exports.authenticate = function (res, credentials, artifacts, options, callback) {
|
||||
|
||||
artifacts = Hoek.clone(artifacts);
|
||||
options = options || {};
|
||||
|
||||
let wwwAttributes = null;
|
||||
let serverAuthAttributes = null;
|
||||
|
||||
const finalize = function (err) {
|
||||
|
||||
if (callback) {
|
||||
const headers = {
|
||||
'www-authenticate': wwwAttributes,
|
||||
'server-authorization': serverAuthAttributes
|
||||
};
|
||||
|
||||
return callback(err, headers);
|
||||
}
|
||||
|
||||
return !err;
|
||||
};
|
||||
|
||||
if (res.headers['www-authenticate']) {
|
||||
|
||||
// Parse HTTP WWW-Authenticate header
|
||||
|
||||
wwwAttributes = Utils.parseAuthorizationHeader(res.headers['www-authenticate'], ['ts', 'tsm', 'error']);
|
||||
if (wwwAttributes instanceof Error) {
|
||||
wwwAttributes = null;
|
||||
return finalize(new Error('Invalid WWW-Authenticate header'));
|
||||
}
|
||||
|
||||
// Validate server timestamp (not used to update clock since it is done via the SNPT client)
|
||||
|
||||
if (wwwAttributes.ts) {
|
||||
const tsm = Crypto.calculateTsMac(wwwAttributes.ts, credentials);
|
||||
if (tsm !== wwwAttributes.tsm) {
|
||||
return finalize(new Error('Invalid server timestamp hash'));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Parse HTTP Server-Authorization header
|
||||
|
||||
if (!res.headers['server-authorization'] &&
|
||||
!options.required) {
|
||||
|
||||
return finalize();
|
||||
}
|
||||
|
||||
serverAuthAttributes = Utils.parseAuthorizationHeader(res.headers['server-authorization'], ['mac', 'ext', 'hash']);
|
||||
if (serverAuthAttributes instanceof Error) {
|
||||
serverAuthAttributes = null;
|
||||
return finalize(new Error('Invalid Server-Authorization header'));
|
||||
}
|
||||
|
||||
artifacts.ext = serverAuthAttributes.ext;
|
||||
artifacts.hash = serverAuthAttributes.hash;
|
||||
|
||||
const mac = Crypto.calculateMac('response', credentials, artifacts);
|
||||
if (mac !== serverAuthAttributes.mac) {
|
||||
return finalize(new Error('Bad response mac'));
|
||||
}
|
||||
|
||||
if (!options.payload &&
|
||||
options.payload !== '') {
|
||||
|
||||
return finalize();
|
||||
}
|
||||
|
||||
if (!serverAuthAttributes.hash) {
|
||||
return finalize(new Error('Missing response hash attribute'));
|
||||
}
|
||||
|
||||
const calculatedHash = Crypto.calculatePayloadHash(options.payload, credentials.algorithm, res.headers['content-type']);
|
||||
if (calculatedHash !== serverAuthAttributes.hash) {
|
||||
return finalize(new Error('Bad response payload mac'));
|
||||
}
|
||||
|
||||
return finalize();
|
||||
};
|
||||
|
||||
|
||||
// Generate a bewit value for a given URI
|
||||
|
||||
/*
|
||||
uri: 'http://example.com/resource?a=b' or object from Url.parse()
|
||||
options: {
|
||||
|
||||
// Required
|
||||
|
||||
credentials: {
|
||||
id: 'dh37fgj492je',
|
||||
key: 'aoijedoaijsdlaksjdl',
|
||||
algorithm: 'sha256' // 'sha1', 'sha256'
|
||||
},
|
||||
ttlSec: 60 * 60, // TTL in seconds
|
||||
|
||||
// Optional
|
||||
|
||||
ext: 'application-specific', // Application specific data sent via the ext attribute
|
||||
localtimeOffsetMsec: 400 // Time offset to sync with server time
|
||||
};
|
||||
*/
|
||||
|
||||
exports.getBewit = function (uri, options) {
|
||||
|
||||
// Validate inputs
|
||||
|
||||
if (!uri ||
|
||||
(typeof uri !== 'string' && typeof uri !== 'object') ||
|
||||
!options ||
|
||||
typeof options !== 'object' ||
|
||||
!options.ttlSec) {
|
||||
|
||||
return '';
|
||||
}
|
||||
|
||||
options.ext = (options.ext === null || options.ext === undefined ? '' : options.ext); // Zero is valid value
|
||||
|
||||
// Application time
|
||||
|
||||
const now = Utils.now(options.localtimeOffsetMsec);
|
||||
|
||||
// Validate credentials
|
||||
|
||||
const credentials = options.credentials;
|
||||
if (!credentials ||
|
||||
!credentials.id ||
|
||||
!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
return '';
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return '';
|
||||
}
|
||||
|
||||
// Parse URI
|
||||
|
||||
if (typeof uri === 'string') {
|
||||
uri = Url.parse(uri);
|
||||
}
|
||||
|
||||
// Calculate signature
|
||||
|
||||
const exp = Math.floor(now / 1000) + options.ttlSec;
|
||||
const mac = Crypto.calculateMac('bewit', credentials, {
|
||||
ts: exp,
|
||||
nonce: '',
|
||||
method: 'GET',
|
||||
resource: uri.pathname + (uri.search || ''), // Maintain trailing '?'
|
||||
host: uri.hostname,
|
||||
port: uri.port || (uri.protocol === 'http:' ? 80 : 443),
|
||||
ext: options.ext
|
||||
});
|
||||
|
||||
// Construct bewit: id\exp\mac\ext
|
||||
|
||||
const bewit = credentials.id + '\\' + exp + '\\' + mac + '\\' + options.ext;
|
||||
return Hoek.base64urlEncode(bewit);
|
||||
};
|
||||
|
||||
|
||||
// Generate an authorization string for a message
|
||||
|
||||
/*
|
||||
host: 'example.com',
|
||||
port: 8000,
|
||||
message: '{"some":"payload"}', // UTF-8 encoded string for body hash generation
|
||||
options: {
|
||||
|
||||
// Required
|
||||
|
||||
credentials: {
|
||||
id: 'dh37fgj492je',
|
||||
key: 'aoijedoaijsdlaksjdl',
|
||||
algorithm: 'sha256' // 'sha1', 'sha256'
|
||||
},
|
||||
|
||||
// Optional
|
||||
|
||||
timestamp: Date.now() / 1000, // A pre-calculated timestamp in seconds
|
||||
nonce: '2334f34f', // A pre-generated nonce
|
||||
localtimeOffsetMsec: 400, // Time offset to sync with server time (ignored if timestamp provided)
|
||||
}
|
||||
*/
|
||||
|
||||
exports.message = function (host, port, message, options) {
|
||||
|
||||
// Validate inputs
|
||||
|
||||
if (!host || typeof host !== 'string' ||
|
||||
!port || typeof port !== 'number' ||
|
||||
message === null || message === undefined || typeof message !== 'string' ||
|
||||
!options || typeof options !== 'object') {
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
// Application time
|
||||
|
||||
const timestamp = options.timestamp || Utils.nowSecs(options.localtimeOffsetMsec);
|
||||
|
||||
// Validate credentials
|
||||
|
||||
const credentials = options.credentials;
|
||||
if (!credentials ||
|
||||
!credentials.id ||
|
||||
!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
// Invalid credential object
|
||||
return null;
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// Calculate signature
|
||||
|
||||
const artifacts = {
|
||||
ts: timestamp,
|
||||
nonce: options.nonce || Cryptiles.randomString(6),
|
||||
host,
|
||||
port,
|
||||
hash: Crypto.calculatePayloadHash(message, credentials.algorithm)
|
||||
};
|
||||
|
||||
// Construct authorization
|
||||
|
||||
const result = {
|
||||
id: credentials.id,
|
||||
ts: artifacts.ts,
|
||||
nonce: artifacts.nonce,
|
||||
hash: artifacts.hash,
|
||||
mac: Crypto.calculateMac('message', credentials, artifacts)
|
||||
};
|
||||
|
||||
return result;
|
||||
};
|
||||
|
||||
|
||||
|
||||
128
app/node_modules/hawk/lib/crypto.js
generated
vendored
Normal file
128
app/node_modules/hawk/lib/crypto.js
generated
vendored
Normal file
@@ -0,0 +1,128 @@
|
||||
'use strict';
|
||||
|
||||
// Load modules
|
||||
|
||||
const Crypto = require('crypto');
|
||||
const Url = require('url');
|
||||
const Utils = require('./utils');
|
||||
|
||||
|
||||
// Declare internals
|
||||
|
||||
const internals = {};
|
||||
|
||||
|
||||
// MAC normalization format version
|
||||
|
||||
exports.headerVersion = '1'; // Prevent comparison of mac values generated with different normalized string formats
|
||||
|
||||
|
||||
// Supported HMAC algorithms
|
||||
|
||||
exports.algorithms = ['sha1', 'sha256'];
|
||||
|
||||
|
||||
// Calculate the request MAC
|
||||
|
||||
/*
|
||||
type: 'header', // 'header', 'bewit', 'response'
|
||||
credentials: {
|
||||
key: 'aoijedoaijsdlaksjdl',
|
||||
algorithm: 'sha256' // 'sha1', 'sha256'
|
||||
},
|
||||
options: {
|
||||
method: 'GET',
|
||||
resource: '/resource?a=1&b=2',
|
||||
host: 'example.com',
|
||||
port: 8080,
|
||||
ts: 1357718381034,
|
||||
nonce: 'd3d345f',
|
||||
hash: 'U4MKKSmiVxk37JCCrAVIjV/OhB3y+NdwoCr6RShbVkE=',
|
||||
ext: 'app-specific-data',
|
||||
app: 'hf48hd83qwkj', // Application id (Oz)
|
||||
dlg: 'd8djwekds9cj' // Delegated by application id (Oz), requires options.app
|
||||
}
|
||||
*/
|
||||
|
||||
exports.calculateMac = function (type, credentials, options) {
|
||||
|
||||
const normalized = exports.generateNormalizedString(type, options);
|
||||
|
||||
const hmac = Crypto.createHmac(credentials.algorithm, credentials.key).update(normalized);
|
||||
const digest = hmac.digest('base64');
|
||||
return digest;
|
||||
};
|
||||
|
||||
|
||||
exports.generateNormalizedString = function (type, options) {
|
||||
|
||||
let resource = options.resource || '';
|
||||
if (resource &&
|
||||
resource[0] !== '/') {
|
||||
|
||||
const url = Url.parse(resource, false);
|
||||
resource = url.path; // Includes query
|
||||
}
|
||||
|
||||
let normalized = 'hawk.' + exports.headerVersion + '.' + type + '\n' +
|
||||
options.ts + '\n' +
|
||||
options.nonce + '\n' +
|
||||
(options.method || '').toUpperCase() + '\n' +
|
||||
resource + '\n' +
|
||||
options.host.toLowerCase() + '\n' +
|
||||
options.port + '\n' +
|
||||
(options.hash || '') + '\n';
|
||||
|
||||
if (options.ext) {
|
||||
normalized = normalized + options.ext.replace('\\', '\\\\').replace('\n', '\\n');
|
||||
}
|
||||
|
||||
normalized = normalized + '\n';
|
||||
|
||||
if (options.app) {
|
||||
normalized = normalized + options.app + '\n' +
|
||||
(options.dlg || '') + '\n';
|
||||
}
|
||||
|
||||
return normalized;
|
||||
};
|
||||
|
||||
|
||||
exports.calculatePayloadHash = function (payload, algorithm, contentType) {
|
||||
|
||||
const hash = exports.initializePayloadHash(algorithm, contentType);
|
||||
hash.update(payload || '');
|
||||
return exports.finalizePayloadHash(hash);
|
||||
};
|
||||
|
||||
|
||||
exports.initializePayloadHash = function (algorithm, contentType) {
|
||||
|
||||
const hash = Crypto.createHash(algorithm);
|
||||
hash.update('hawk.' + exports.headerVersion + '.payload\n');
|
||||
hash.update(Utils.parseContentType(contentType) + '\n');
|
||||
return hash;
|
||||
};
|
||||
|
||||
|
||||
exports.finalizePayloadHash = function (hash) {
|
||||
|
||||
hash.update('\n');
|
||||
return hash.digest('base64');
|
||||
};
|
||||
|
||||
|
||||
exports.calculateTsMac = function (ts, credentials) {
|
||||
|
||||
const hmac = Crypto.createHmac(credentials.algorithm, credentials.key);
|
||||
hmac.update('hawk.' + exports.headerVersion + '.ts\n' + ts + '\n');
|
||||
return hmac.digest('base64');
|
||||
};
|
||||
|
||||
|
||||
exports.timestampMessage = function (credentials, localtimeOffsetMsec) {
|
||||
|
||||
const now = Utils.nowSecs(localtimeOffsetMsec);
|
||||
const tsm = exports.calculateTsMac(now, credentials);
|
||||
return { ts: now, tsm };
|
||||
};
|
||||
17
app/node_modules/hawk/lib/index.js
generated
vendored
Normal file
17
app/node_modules/hawk/lib/index.js
generated
vendored
Normal file
@@ -0,0 +1,17 @@
|
||||
'use strict';
|
||||
|
||||
// Export sub-modules
|
||||
|
||||
exports.error = exports.Error = require('boom');
|
||||
exports.sntp = require('sntp');
|
||||
|
||||
exports.server = require('./server');
|
||||
exports.client = require('./client');
|
||||
exports.crypto = require('./crypto');
|
||||
exports.utils = require('./utils');
|
||||
|
||||
exports.uri = {
|
||||
authenticate: exports.server.authenticateBewit,
|
||||
getBewit: exports.client.getBewit
|
||||
};
|
||||
|
||||
550
app/node_modules/hawk/lib/server.js
generated
vendored
Normal file
550
app/node_modules/hawk/lib/server.js
generated
vendored
Normal file
@@ -0,0 +1,550 @@
|
||||
'use strict';
|
||||
|
||||
// Load modules
|
||||
|
||||
const Boom = require('boom');
|
||||
const Hoek = require('hoek');
|
||||
const Cryptiles = require('cryptiles');
|
||||
const Crypto = require('./crypto');
|
||||
const Utils = require('./utils');
|
||||
|
||||
|
||||
// Declare internals
|
||||
|
||||
const internals = {};
|
||||
|
||||
|
||||
// Hawk authentication
|
||||
|
||||
/*
|
||||
req: node's HTTP request object or an object as follows:
|
||||
|
||||
const request = {
|
||||
method: 'GET',
|
||||
url: '/resource/4?a=1&b=2',
|
||||
host: 'example.com',
|
||||
port: 8080,
|
||||
authorization: 'Hawk id="dh37fgj492je", ts="1353832234", nonce="j4h3g2", ext="some-app-ext-data", mac="6R4rV5iE+NPoym+WwjeHzjAGXUtLNIxmo1vpMofpLAE="'
|
||||
};
|
||||
|
||||
credentialsFunc: required function to lookup the set of Hawk credentials based on the provided credentials id.
|
||||
The credentials include the MAC key, MAC algorithm, and other attributes (such as username)
|
||||
needed by the application. This function is the equivalent of verifying the username and
|
||||
password in Basic authentication.
|
||||
|
||||
const credentialsFunc = function (id, callback) {
|
||||
|
||||
// Lookup credentials in database
|
||||
db.lookup(id, function (err, item) {
|
||||
|
||||
if (err || !item) {
|
||||
return callback(err);
|
||||
}
|
||||
|
||||
const credentials = {
|
||||
// Required
|
||||
key: item.key,
|
||||
algorithm: item.algorithm,
|
||||
// Application specific
|
||||
user: item.user
|
||||
};
|
||||
|
||||
return callback(null, credentials);
|
||||
});
|
||||
};
|
||||
|
||||
options: {
|
||||
|
||||
hostHeaderName: optional header field name, used to override the default 'Host' header when used
|
||||
behind a cache of a proxy. Apache2 changes the value of the 'Host' header while preserving
|
||||
the original (which is what the module must verify) in the 'x-forwarded-host' header field.
|
||||
Only used when passed a node Http.ServerRequest object.
|
||||
|
||||
nonceFunc: optional nonce validation function. The function signature is function(key, nonce, ts, callback)
|
||||
where 'callback' must be called using the signature function(err).
|
||||
|
||||
timestampSkewSec: optional number of seconds of permitted clock skew for incoming timestamps. Defaults to 60 seconds.
|
||||
Provides a +/- skew which means actual allowed window is double the number of seconds.
|
||||
|
||||
localtimeOffsetMsec: optional local clock time offset express in a number of milliseconds (positive or negative).
|
||||
Defaults to 0.
|
||||
|
||||
payload: optional payload for validation. The client calculates the hash value and includes it via the 'hash'
|
||||
header attribute. The server always ensures the value provided has been included in the request
|
||||
MAC. When this option is provided, it validates the hash value itself. Validation is done by calculating
|
||||
a hash value over the entire payload (assuming it has already be normalized to the same format and
|
||||
encoding used by the client to calculate the hash on request). If the payload is not available at the time
|
||||
of authentication, the authenticatePayload() method can be used by passing it the credentials and
|
||||
attributes.hash returned in the authenticate callback.
|
||||
|
||||
host: optional host name override. Only used when passed a node request object.
|
||||
port: optional port override. Only used when passed a node request object.
|
||||
}
|
||||
|
||||
callback: function (err, credentials, artifacts) { }
|
||||
*/
|
||||
|
||||
exports.authenticate = function (req, credentialsFunc, options, callback) {
|
||||
|
||||
callback = Hoek.nextTick(callback);
|
||||
|
||||
// Default options
|
||||
|
||||
options.nonceFunc = options.nonceFunc || internals.nonceFunc;
|
||||
options.timestampSkewSec = options.timestampSkewSec || 60; // 60 seconds
|
||||
|
||||
// Application time
|
||||
|
||||
const now = Utils.now(options.localtimeOffsetMsec); // Measure now before any other processing
|
||||
|
||||
// Convert node Http request object to a request configuration object
|
||||
|
||||
const request = Utils.parseRequest(req, options);
|
||||
if (request instanceof Error) {
|
||||
return callback(Boom.badRequest(request.message));
|
||||
}
|
||||
|
||||
// Parse HTTP Authorization header
|
||||
|
||||
const attributes = Utils.parseAuthorizationHeader(request.authorization);
|
||||
if (attributes instanceof Error) {
|
||||
return callback(attributes);
|
||||
}
|
||||
|
||||
// Construct artifacts container
|
||||
|
||||
const artifacts = {
|
||||
method: request.method,
|
||||
host: request.host,
|
||||
port: request.port,
|
||||
resource: request.url,
|
||||
ts: attributes.ts,
|
||||
nonce: attributes.nonce,
|
||||
hash: attributes.hash,
|
||||
ext: attributes.ext,
|
||||
app: attributes.app,
|
||||
dlg: attributes.dlg,
|
||||
mac: attributes.mac,
|
||||
id: attributes.id
|
||||
};
|
||||
|
||||
// Verify required header attributes
|
||||
|
||||
if (!attributes.id ||
|
||||
!attributes.ts ||
|
||||
!attributes.nonce ||
|
||||
!attributes.mac) {
|
||||
|
||||
return callback(Boom.badRequest('Missing attributes'), null, artifacts);
|
||||
}
|
||||
|
||||
// Fetch Hawk credentials
|
||||
|
||||
credentialsFunc(attributes.id, (err, credentials) => {
|
||||
|
||||
if (err) {
|
||||
return callback(err, credentials || null, artifacts);
|
||||
}
|
||||
|
||||
if (!credentials) {
|
||||
return callback(Utils.unauthorized('Unknown credentials'), null, artifacts);
|
||||
}
|
||||
|
||||
if (!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
return callback(Boom.internal('Invalid credentials'), credentials, artifacts);
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return callback(Boom.internal('Unknown algorithm'), credentials, artifacts);
|
||||
}
|
||||
|
||||
// Calculate MAC
|
||||
|
||||
const mac = Crypto.calculateMac('header', credentials, artifacts);
|
||||
if (!Cryptiles.fixedTimeComparison(mac, attributes.mac)) {
|
||||
return callback(Utils.unauthorized('Bad mac'), credentials, artifacts);
|
||||
}
|
||||
|
||||
// Check payload hash
|
||||
|
||||
if (options.payload ||
|
||||
options.payload === '') {
|
||||
|
||||
if (!attributes.hash) {
|
||||
return callback(Utils.unauthorized('Missing required payload hash'), credentials, artifacts);
|
||||
}
|
||||
|
||||
const hash = Crypto.calculatePayloadHash(options.payload, credentials.algorithm, request.contentType);
|
||||
if (!Cryptiles.fixedTimeComparison(hash, attributes.hash)) {
|
||||
return callback(Utils.unauthorized('Bad payload hash'), credentials, artifacts);
|
||||
}
|
||||
}
|
||||
|
||||
// Check nonce
|
||||
|
||||
options.nonceFunc(credentials.key, attributes.nonce, attributes.ts, (err) => {
|
||||
|
||||
if (err) {
|
||||
return callback(Utils.unauthorized('Invalid nonce'), credentials, artifacts);
|
||||
}
|
||||
|
||||
// Check timestamp staleness
|
||||
|
||||
if (Math.abs((attributes.ts * 1000) - now) > (options.timestampSkewSec * 1000)) {
|
||||
const tsm = Crypto.timestampMessage(credentials, options.localtimeOffsetMsec);
|
||||
return callback(Utils.unauthorized('Stale timestamp', tsm), credentials, artifacts);
|
||||
}
|
||||
|
||||
// Successful authentication
|
||||
|
||||
return callback(null, credentials, artifacts);
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
|
||||
// Authenticate payload hash - used when payload cannot be provided during authenticate()
|
||||
|
||||
/*
|
||||
payload: raw request payload
|
||||
credentials: from authenticate callback
|
||||
artifacts: from authenticate callback
|
||||
contentType: req.headers['content-type']
|
||||
*/
|
||||
|
||||
exports.authenticatePayload = function (payload, credentials, artifacts, contentType) {
|
||||
|
||||
const calculatedHash = Crypto.calculatePayloadHash(payload, credentials.algorithm, contentType);
|
||||
return Cryptiles.fixedTimeComparison(calculatedHash, artifacts.hash);
|
||||
};
|
||||
|
||||
|
||||
// Authenticate payload hash - used when payload cannot be provided during authenticate()
|
||||
|
||||
/*
|
||||
calculatedHash: the payload hash calculated using Crypto.calculatePayloadHash()
|
||||
artifacts: from authenticate callback
|
||||
*/
|
||||
|
||||
exports.authenticatePayloadHash = function (calculatedHash, artifacts) {
|
||||
|
||||
return Cryptiles.fixedTimeComparison(calculatedHash, artifacts.hash);
|
||||
};
|
||||
|
||||
|
||||
// Generate a Server-Authorization header for a given response
|
||||
|
||||
/*
|
||||
credentials: {}, // Object received from authenticate()
|
||||
artifacts: {} // Object received from authenticate(); 'mac', 'hash', and 'ext' - ignored
|
||||
options: {
|
||||
ext: 'application-specific', // Application specific data sent via the ext attribute
|
||||
payload: '{"some":"payload"}', // UTF-8 encoded string for body hash generation (ignored if hash provided)
|
||||
contentType: 'application/json', // Payload content-type (ignored if hash provided)
|
||||
hash: 'U4MKKSmiVxk37JCCrAVIjV=' // Pre-calculated payload hash
|
||||
}
|
||||
*/
|
||||
|
||||
exports.header = function (credentials, artifacts, options) {
|
||||
|
||||
// Prepare inputs
|
||||
|
||||
options = options || {};
|
||||
|
||||
if (!artifacts ||
|
||||
typeof artifacts !== 'object' ||
|
||||
typeof options !== 'object') {
|
||||
|
||||
return '';
|
||||
}
|
||||
|
||||
artifacts = Hoek.clone(artifacts);
|
||||
delete artifacts.mac;
|
||||
artifacts.hash = options.hash;
|
||||
artifacts.ext = options.ext;
|
||||
|
||||
// Validate credentials
|
||||
|
||||
if (!credentials ||
|
||||
!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
// Invalid credential object
|
||||
return '';
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return '';
|
||||
}
|
||||
|
||||
// Calculate payload hash
|
||||
|
||||
if (!artifacts.hash &&
|
||||
(options.payload || options.payload === '')) {
|
||||
|
||||
artifacts.hash = Crypto.calculatePayloadHash(options.payload, credentials.algorithm, options.contentType);
|
||||
}
|
||||
|
||||
const mac = Crypto.calculateMac('response', credentials, artifacts);
|
||||
|
||||
// Construct header
|
||||
|
||||
let header = 'Hawk mac="' + mac + '"' +
|
||||
(artifacts.hash ? ', hash="' + artifacts.hash + '"' : '');
|
||||
|
||||
if (artifacts.ext !== null &&
|
||||
artifacts.ext !== undefined &&
|
||||
artifacts.ext !== '') { // Other falsey values allowed
|
||||
|
||||
header = header + ', ext="' + Hoek.escapeHeaderAttribute(artifacts.ext) + '"';
|
||||
}
|
||||
|
||||
return header;
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* Arguments and options are the same as authenticate() with the exception that the only supported options are:
|
||||
* 'hostHeaderName', 'localtimeOffsetMsec', 'host', 'port'
|
||||
*/
|
||||
|
||||
|
||||
// 1 2 3 4
|
||||
internals.bewitRegex = /^(\/.*)([\?&])bewit\=([^&$]*)(?:&(.+))?$/;
|
||||
|
||||
|
||||
exports.authenticateBewit = function (req, credentialsFunc, options, callback) {
|
||||
|
||||
callback = Hoek.nextTick(callback);
|
||||
|
||||
// Application time
|
||||
|
||||
const now = Utils.now(options.localtimeOffsetMsec);
|
||||
|
||||
// Convert node Http request object to a request configuration object
|
||||
|
||||
const request = Utils.parseRequest(req, options);
|
||||
if (request instanceof Error) {
|
||||
return callback(Boom.badRequest(request.message));
|
||||
}
|
||||
|
||||
// Extract bewit
|
||||
|
||||
if (request.url.length > Utils.limits.maxMatchLength) {
|
||||
return callback(Boom.badRequest('Resource path exceeds max length'));
|
||||
}
|
||||
|
||||
const resource = request.url.match(internals.bewitRegex);
|
||||
if (!resource) {
|
||||
return callback(Utils.unauthorized());
|
||||
}
|
||||
|
||||
// Bewit not empty
|
||||
|
||||
if (!resource[3]) {
|
||||
return callback(Utils.unauthorized('Empty bewit'));
|
||||
}
|
||||
|
||||
// Verify method is GET
|
||||
|
||||
if (request.method !== 'GET' &&
|
||||
request.method !== 'HEAD') {
|
||||
|
||||
return callback(Utils.unauthorized('Invalid method'));
|
||||
}
|
||||
|
||||
// No other authentication
|
||||
|
||||
if (request.authorization) {
|
||||
return callback(Boom.badRequest('Multiple authentications'));
|
||||
}
|
||||
|
||||
// Parse bewit
|
||||
|
||||
const bewitString = Hoek.base64urlDecode(resource[3]);
|
||||
if (bewitString instanceof Error) {
|
||||
return callback(Boom.badRequest('Invalid bewit encoding'));
|
||||
}
|
||||
|
||||
// Bewit format: id\exp\mac\ext ('\' is used because it is a reserved header attribute character)
|
||||
|
||||
const bewitParts = bewitString.split('\\');
|
||||
if (bewitParts.length !== 4) {
|
||||
return callback(Boom.badRequest('Invalid bewit structure'));
|
||||
}
|
||||
|
||||
const bewit = {
|
||||
id: bewitParts[0],
|
||||
exp: parseInt(bewitParts[1], 10),
|
||||
mac: bewitParts[2],
|
||||
ext: bewitParts[3] || ''
|
||||
};
|
||||
|
||||
if (!bewit.id ||
|
||||
!bewit.exp ||
|
||||
!bewit.mac) {
|
||||
|
||||
return callback(Boom.badRequest('Missing bewit attributes'));
|
||||
}
|
||||
|
||||
// Construct URL without bewit
|
||||
|
||||
let url = resource[1];
|
||||
if (resource[4]) {
|
||||
url = url + resource[2] + resource[4];
|
||||
}
|
||||
|
||||
// Check expiration
|
||||
|
||||
if (bewit.exp * 1000 <= now) {
|
||||
return callback(Utils.unauthorized('Access expired'), null, bewit);
|
||||
}
|
||||
|
||||
// Fetch Hawk credentials
|
||||
|
||||
credentialsFunc(bewit.id, (err, credentials) => {
|
||||
|
||||
if (err) {
|
||||
return callback(err, credentials || null, bewit.ext);
|
||||
}
|
||||
|
||||
if (!credentials) {
|
||||
return callback(Utils.unauthorized('Unknown credentials'), null, bewit);
|
||||
}
|
||||
|
||||
if (!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
return callback(Boom.internal('Invalid credentials'), credentials, bewit);
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return callback(Boom.internal('Unknown algorithm'), credentials, bewit);
|
||||
}
|
||||
|
||||
// Calculate MAC
|
||||
|
||||
const mac = Crypto.calculateMac('bewit', credentials, {
|
||||
ts: bewit.exp,
|
||||
nonce: '',
|
||||
method: 'GET',
|
||||
resource: url,
|
||||
host: request.host,
|
||||
port: request.port,
|
||||
ext: bewit.ext
|
||||
});
|
||||
|
||||
if (!Cryptiles.fixedTimeComparison(mac, bewit.mac)) {
|
||||
return callback(Utils.unauthorized('Bad mac'), credentials, bewit);
|
||||
}
|
||||
|
||||
// Successful authentication
|
||||
|
||||
return callback(null, credentials, bewit);
|
||||
});
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* options are the same as authenticate() with the exception that the only supported options are:
|
||||
* 'nonceFunc', 'timestampSkewSec', 'localtimeOffsetMsec'
|
||||
*/
|
||||
|
||||
exports.authenticateMessage = function (host, port, message, authorization, credentialsFunc, options, callback) {
|
||||
|
||||
callback = Hoek.nextTick(callback);
|
||||
|
||||
// Default options
|
||||
|
||||
options.nonceFunc = options.nonceFunc || internals.nonceFunc;
|
||||
options.timestampSkewSec = options.timestampSkewSec || 60; // 60 seconds
|
||||
|
||||
// Application time
|
||||
|
||||
const now = Utils.now(options.localtimeOffsetMsec); // Measure now before any other processing
|
||||
|
||||
// Validate authorization
|
||||
|
||||
if (!authorization.id ||
|
||||
!authorization.ts ||
|
||||
!authorization.nonce ||
|
||||
!authorization.hash ||
|
||||
!authorization.mac) {
|
||||
|
||||
return callback(Boom.badRequest('Invalid authorization'));
|
||||
}
|
||||
|
||||
// Fetch Hawk credentials
|
||||
|
||||
credentialsFunc(authorization.id, (err, credentials) => {
|
||||
|
||||
if (err) {
|
||||
return callback(err, credentials || null);
|
||||
}
|
||||
|
||||
if (!credentials) {
|
||||
return callback(Utils.unauthorized('Unknown credentials'));
|
||||
}
|
||||
|
||||
if (!credentials.key ||
|
||||
!credentials.algorithm) {
|
||||
|
||||
return callback(Boom.internal('Invalid credentials'), credentials);
|
||||
}
|
||||
|
||||
if (Crypto.algorithms.indexOf(credentials.algorithm) === -1) {
|
||||
return callback(Boom.internal('Unknown algorithm'), credentials);
|
||||
}
|
||||
|
||||
// Construct artifacts container
|
||||
|
||||
const artifacts = {
|
||||
ts: authorization.ts,
|
||||
nonce: authorization.nonce,
|
||||
host,
|
||||
port,
|
||||
hash: authorization.hash
|
||||
};
|
||||
|
||||
// Calculate MAC
|
||||
|
||||
const mac = Crypto.calculateMac('message', credentials, artifacts);
|
||||
if (!Cryptiles.fixedTimeComparison(mac, authorization.mac)) {
|
||||
return callback(Utils.unauthorized('Bad mac'), credentials);
|
||||
}
|
||||
|
||||
// Check payload hash
|
||||
|
||||
const hash = Crypto.calculatePayloadHash(message, credentials.algorithm);
|
||||
if (!Cryptiles.fixedTimeComparison(hash, authorization.hash)) {
|
||||
return callback(Utils.unauthorized('Bad message hash'), credentials);
|
||||
}
|
||||
|
||||
// Check nonce
|
||||
|
||||
options.nonceFunc(credentials.key, authorization.nonce, authorization.ts, (err) => {
|
||||
|
||||
if (err) {
|
||||
return callback(Utils.unauthorized('Invalid nonce'), credentials);
|
||||
}
|
||||
|
||||
// Check timestamp staleness
|
||||
|
||||
if (Math.abs((authorization.ts * 1000) - now) > (options.timestampSkewSec * 1000)) {
|
||||
return callback(Utils.unauthorized('Stale timestamp'), credentials);
|
||||
}
|
||||
|
||||
// Successful authentication
|
||||
|
||||
return callback(null, credentials);
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
|
||||
internals.nonceFunc = function (key, nonce, ts, nonceCallback) {
|
||||
|
||||
return nonceCallback(); // No validation
|
||||
};
|
||||
186
app/node_modules/hawk/lib/utils.js
generated
vendored
Normal file
186
app/node_modules/hawk/lib/utils.js
generated
vendored
Normal file
@@ -0,0 +1,186 @@
|
||||
'use strict';
|
||||
|
||||
// Load modules
|
||||
|
||||
const Sntp = require('sntp');
|
||||
const Boom = require('boom');
|
||||
|
||||
|
||||
// Declare internals
|
||||
|
||||
const internals = {};
|
||||
|
||||
|
||||
exports.version = function () {
|
||||
|
||||
return require('../package.json').version;
|
||||
};
|
||||
|
||||
|
||||
exports.limits = {
|
||||
maxMatchLength: 4096 // Limit the length of uris and headers to avoid a DoS attack on string matching
|
||||
};
|
||||
|
||||
|
||||
// Extract host and port from request
|
||||
|
||||
// $1 $2
|
||||
internals.hostHeaderRegex = /^(?:(?:\r\n)?\s)*((?:[^:]+)|(?:\[[^\]]+\]))(?::(\d+))?(?:(?:\r\n)?\s)*$/; // (IPv4, hostname)|(IPv6)
|
||||
|
||||
|
||||
exports.parseHost = function (req, hostHeaderName) {
|
||||
|
||||
hostHeaderName = (hostHeaderName ? hostHeaderName.toLowerCase() : 'host');
|
||||
const hostHeader = req.headers[hostHeaderName];
|
||||
if (!hostHeader) {
|
||||
return null;
|
||||
}
|
||||
|
||||
if (hostHeader.length > exports.limits.maxMatchLength) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const hostParts = hostHeader.match(internals.hostHeaderRegex);
|
||||
if (!hostParts) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return {
|
||||
name: hostParts[1],
|
||||
port: (hostParts[2] ? hostParts[2] : (req.connection && req.connection.encrypted ? 443 : 80))
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
// Parse Content-Type header content
|
||||
|
||||
exports.parseContentType = function (header) {
|
||||
|
||||
if (!header) {
|
||||
return '';
|
||||
}
|
||||
|
||||
return header.split(';')[0].trim().toLowerCase();
|
||||
};
|
||||
|
||||
|
||||
// Convert node's to request configuration object
|
||||
|
||||
exports.parseRequest = function (req, options) {
|
||||
|
||||
if (!req.headers) {
|
||||
return req;
|
||||
}
|
||||
|
||||
// Obtain host and port information
|
||||
|
||||
let host;
|
||||
if (!options.host ||
|
||||
!options.port) {
|
||||
|
||||
host = exports.parseHost(req, options.hostHeaderName);
|
||||
if (!host) {
|
||||
return new Error('Invalid Host header');
|
||||
}
|
||||
}
|
||||
|
||||
const request = {
|
||||
method: req.method,
|
||||
url: req.url,
|
||||
host: options.host || host.name,
|
||||
port: options.port || host.port,
|
||||
authorization: req.headers.authorization,
|
||||
contentType: req.headers['content-type'] || ''
|
||||
};
|
||||
|
||||
return request;
|
||||
};
|
||||
|
||||
|
||||
exports.now = function (localtimeOffsetMsec) {
|
||||
|
||||
return Sntp.now() + (localtimeOffsetMsec || 0);
|
||||
};
|
||||
|
||||
|
||||
exports.nowSecs = function (localtimeOffsetMsec) {
|
||||
|
||||
return Math.floor(exports.now(localtimeOffsetMsec) / 1000);
|
||||
};
|
||||
|
||||
|
||||
internals.authHeaderRegex = /^(\w+)(?:\s+(.*))?$/; // Header: scheme[ something]
|
||||
internals.attributeRegex = /^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~]+$/; // !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9
|
||||
|
||||
|
||||
// Parse Hawk HTTP Authorization header
|
||||
|
||||
exports.parseAuthorizationHeader = function (header, keys) {
|
||||
|
||||
keys = keys || ['id', 'ts', 'nonce', 'hash', 'ext', 'mac', 'app', 'dlg'];
|
||||
|
||||
if (!header) {
|
||||
return Boom.unauthorized(null, 'Hawk');
|
||||
}
|
||||
|
||||
if (header.length > exports.limits.maxMatchLength) {
|
||||
return Boom.badRequest('Header length too long');
|
||||
}
|
||||
|
||||
const headerParts = header.match(internals.authHeaderRegex);
|
||||
if (!headerParts) {
|
||||
return Boom.badRequest('Invalid header syntax');
|
||||
}
|
||||
|
||||
const scheme = headerParts[1];
|
||||
if (scheme.toLowerCase() !== 'hawk') {
|
||||
return Boom.unauthorized(null, 'Hawk');
|
||||
}
|
||||
|
||||
const attributesString = headerParts[2];
|
||||
if (!attributesString) {
|
||||
return Boom.badRequest('Invalid header syntax');
|
||||
}
|
||||
|
||||
const attributes = {};
|
||||
let errorMessage = '';
|
||||
const verify = attributesString.replace(/(\w+)="([^"\\]*)"\s*(?:,\s*|$)/g, ($0, $1, $2) => {
|
||||
|
||||
// Check valid attribute names
|
||||
|
||||
if (keys.indexOf($1) === -1) {
|
||||
errorMessage = 'Unknown attribute: ' + $1;
|
||||
return;
|
||||
}
|
||||
|
||||
// Allowed attribute value characters
|
||||
|
||||
if ($2.match(internals.attributeRegex) === null) {
|
||||
errorMessage = 'Bad attribute value: ' + $1;
|
||||
return;
|
||||
}
|
||||
|
||||
// Check for duplicates
|
||||
|
||||
if (attributes.hasOwnProperty($1)) {
|
||||
errorMessage = 'Duplicate attribute: ' + $1;
|
||||
return;
|
||||
}
|
||||
|
||||
attributes[$1] = $2;
|
||||
return '';
|
||||
});
|
||||
|
||||
if (verify !== '') {
|
||||
return Boom.badRequest(errorMessage || 'Bad header format');
|
||||
}
|
||||
|
||||
return attributes;
|
||||
};
|
||||
|
||||
|
||||
exports.unauthorized = function (message, attributes) {
|
||||
|
||||
return Boom.unauthorized(message || null, 'Hawk', attributes);
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user