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no issue - preperation for User model refactoring - add independent util to generate reset hash, compare a hash and extract information out of it - this code is basically a copy/paste of User model (generateResetToken, validateToken)
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var crypto = require('crypto'); | ||
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exports.resetToken = { | ||
generateHash: function generateHash(options) { | ||
options = options || {}; | ||
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var hash = crypto.createHash('sha256'), | ||
expires = options.expires, | ||
email = options.email, | ||
dbHash = options.dbHash, | ||
password = options.password, | ||
text = ''; | ||
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hash.update(String(expires).toLocaleLowerCase()); | ||
hash.update(String(email).toLocaleLowerCase()); | ||
hash.update(String(dbHash).toLocaleLowerCase()); | ||
hash.update(String(password).toLocaleLowerCase()); | ||
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text += [expires, email, hash.digest('base64')].join('|'); | ||
return new Buffer(text).toString('base64'); | ||
}, | ||
extract: function extract(options) { | ||
options = options || {}; | ||
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var token = options.token, | ||
tokenText = new Buffer(token, 'base64').toString('ascii'), | ||
parts, | ||
expires, | ||
email; | ||
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parts = tokenText.split('|'); | ||
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// Check if invalid structure | ||
if (!parts || parts.length !== 3) { | ||
return false; | ||
} | ||
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expires = parseInt(parts[0], 10); | ||
email = parts[1]; | ||
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return { | ||
expires: expires, | ||
email: email | ||
}; | ||
}, | ||
/*jslint bitwise:true*/ | ||
compare: function compare(options) { | ||
options = options || {}; | ||
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var tokenToCompare = options.token, | ||
parts = exports.resetToken.extract({token: tokenToCompare}), | ||
dbHash = options.dbHash, | ||
password = options.password, | ||
generatedToken, | ||
diff = 0, | ||
i; | ||
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if (isNaN(parts.expires)) { | ||
return false; | ||
} | ||
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// Check if token is expired to prevent replay attacks | ||
if (parts.expires < Date.now()) { | ||
return false; | ||
} | ||
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generatedToken = exports.resetToken.generateHash({ | ||
email: parts.email, | ||
expires: parts.expires, | ||
dbHash: dbHash, | ||
password: password | ||
}); | ||
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if (tokenToCompare.length !== generatedToken.length) { | ||
diff = 1; | ||
} | ||
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for (i = tokenToCompare.length - 1; i >= 0; i = i - 1) { | ||
diff |= tokenToCompare.charCodeAt(i) ^ generatedToken.charCodeAt(i); | ||
} | ||
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return diff === 0; | ||
} | ||
}; |
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Original file line number | Diff line number | Diff line change |
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var uuid = require('node-uuid'), | ||
should = require('should'), | ||
utils = require('../../../server/utils'); | ||
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should.equal(true, true); | ||
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describe('Utils: tokens', function () { | ||
it('generate', function () { | ||
var expires = Date.now() + 60 * 1000, | ||
dbHash = uuid.v4(), token; | ||
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token = utils.tokens.resetToken.generateHash({ | ||
email: 'test1@ghost.org', | ||
expires: expires, | ||
dbHash: dbHash | ||
}); | ||
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should.exist(token); | ||
token.length.should.be.above(0); | ||
}); | ||
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it('compare: success', function () { | ||
var expires = Date.now() + 60 * 1000, | ||
dbHash = uuid.v4(), token, tokenIsCorrect; | ||
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token = utils.tokens.resetToken.generateHash({ | ||
email: 'test1@ghost.org', | ||
expires: expires, | ||
password: '12345678', | ||
dbHash: dbHash | ||
}); | ||
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tokenIsCorrect = utils.tokens.resetToken.compare({ | ||
token: token, | ||
dbHash: dbHash, | ||
password: '12345678' | ||
}); | ||
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tokenIsCorrect.should.eql(true); | ||
}); | ||
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it('compare: error', function () { | ||
var expires = Date.now() + 60 * 1000, | ||
dbHash = uuid.v4(), token, tokenIsCorrect; | ||
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token = utils.tokens.resetToken.generateHash({ | ||
email: 'test1@ghost.org', | ||
expires: expires, | ||
password: '12345678', | ||
dbHash: dbHash | ||
}); | ||
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tokenIsCorrect = utils.tokens.resetToken.compare({ | ||
token: token, | ||
dbHash: dbHash, | ||
password: '123456' | ||
}); | ||
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tokenIsCorrect.should.eql(false); | ||
}); | ||
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it('extract', function () { | ||
var expires = Date.now() + 60 * 1000, | ||
dbHash = uuid.v4(), token, parts, email = 'test1@ghost.org'; | ||
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token = utils.tokens.resetToken.generateHash({ | ||
email: email, | ||
expires: expires, | ||
password: '12345678', | ||
dbHash: dbHash | ||
}); | ||
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parts = utils.tokens.resetToken.extract({ | ||
token: token | ||
}); | ||
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parts.email.should.eql(email); | ||
parts.expires.should.eql(expires); | ||
should.not.exist(parts.password); | ||
should.not.exist(parts.dbHash); | ||
}); | ||
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it('can validate an URI encoded reset token', function () { | ||
var expires = Date.now() + 60 * 1000, | ||
dbHash = uuid.v4(), token, tokenIsCorrect; | ||
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token = utils.tokens.resetToken.generateHash({ | ||
email: 'test1@ghost.org', | ||
expires: expires, | ||
password: '12345678', | ||
dbHash: dbHash | ||
}); | ||
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token = utils.encodeBase64URLsafe(token); | ||
token = encodeURIComponent(token); | ||
token = decodeURIComponent(token); | ||
token = utils.decodeBase64URLsafe(token); | ||
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tokenIsCorrect = utils.tokens.resetToken.compare({ | ||
token: token, | ||
dbHash: dbHash, | ||
password: '12345678' | ||
}); | ||
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tokenIsCorrect.should.eql(true); | ||
}); | ||
}); | ||
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