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Coverage for /Users/yunong/workspace/node-restify/lib/plugins/authorization.js : 90%
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | // Copyright 2012 Mark Cavage, Inc. All rights reserved. var httpSignature = require('http-signature'); var errors = require('../errors'); ///--- Globals var InvalidHeaderError = errors.InvalidHeaderError; var OPTIONS = { algorithms: [ 'rsa-sha1', 'rsa-sha256', 'rsa-sha512', 'dsa-sha1', 'hmac-sha1', 'hmac-sha256', 'hmac-sha512' ] }; ///--- Helpers function parseBasic(string) { var decoded; var index; var pieces; decoded = (new Buffer(string, 'base64')).toString('utf8'); if (!decoded) throw new InvalidHeaderError('Authorization header invalid'); index = decoded.indexOf(':'); if (index === -1) { pieces = [decoded]; } else { pieces = [decoded.slice(0, index), decoded.slice(index + 1)]; } if (!pieces || typeof (pieces[0]) !== 'string') throw new InvalidHeaderError('Authorization header invalid'); // Allows for usernameless authentication if (!pieces[0]) pieces[0] = null; // Allows for passwordless authentication if (!pieces[1]) pieces[1] = null; return ({ username: pieces[0], password: pieces[1] }); } function parseSignature(request, options) { options = options || {}; options.algorithms = OPTIONS.algorithms; try { return (httpSignature.parseRequest(request, options)); } catch (e) { throw new InvalidHeaderError('Authorization header invalid: ' + e.message); } } /** * Returns a plugin that will parse the client's Authorization header. * * Subsequent handlers will see `req.authorization`, which looks like: * * { * scheme: <Basic|Signature|...>, * credentials: <Undecoded value of header>, * basic: { * username: $user * password: $password * } * } * * `req.username` will also be set, and defaults to 'anonymous'. * * @return {Function} restify handler. * @throws {TypeError} on bad input */ function authorizationParser(options) { function parseAuthorization(req, res, next) { req.authorization = {}; req.username = 'anonymous'; if (!req.headers.authorization) return (next()); var pieces = req.headers.authorization.split(' ', 2); if (!pieces || pieces.length !== 2) { var e = new InvalidHeaderError('BasicAuth content ' + 'is invalid.'); return (next(e)); } req.authorization.scheme = pieces[0]; req.authorization.credentials = pieces[1]; try { switch (pieces[0].toLowerCase()) { case 'basic': req.authorization.basic = parseBasic(pieces[1]); req.username = req.authorization.basic.username; break; case 'signature': req.authorization.signature = parseSignature(req, options); req.username = req.authorization.signature.keyId; break; default: break; } } catch (e2) { return (next(e2)); } return (next()); } return (parseAuthorization); } module.exports = authorizationParser; |