inital commit

1 files changed, 0 insertions, 550 deletions

diff --git a/node_modules/hawk/lib/server.js b/node_modules/hawk/lib/server.js
deleted file mode 100755
index c5b02ae..0000000
--- a/node_modules/hawk/lib/server.js
+++ /dev/null
@@ -1,550 +0,0 @@
-'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
-};