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totp

Available on ForgeBox Tested With TestBox

Compatible with ColdFusion 2016 Compatible with ColdFusion 2018 Compatible with Lucee 5

A CFML Implementation of Time-based One-time Passwords

Inspiration

Usage

Obtain a new instance of TOTP using WireBox or simplying by creating a new instance (new TOTP()).

WireBox/ColdBox is NOT required to use this module.

You can view an example of using this library by viewing the index.cfm file in the root of this module.

generate

Generates a secret, authenticator url, and a QR code for a given email and issuer. The secret should be stored securely and associated to the user who created it. It is also recommended that you have the user verify a code using the secret before saving the secret.

Name Type Required Default Description
email string true The email address of the user associated with this secret.
issuer string true The name of the issuer of this secret.
length numeric false 32 The length of the secret key.
width numeric false 128 The width of the QR code.
height numeric false 128 The height of the QR code.

generateSecret

Generates a Base32 string to use as a secret key when generating and verifying TOTPs. This key should be stored securely and associated to the user who created it. It is also recommended that you have the user verify a code using the secret before saving the secret.

Name Type Required Default Description
length numeric false 32 The length of the secret key.

generateUrl

Generates a URL to use with authenticator apps containing the email, issuer, and generated secret key.

Name Type Required Default Description
email string true The email address of the user associated with this secret.
issuer string true The name of the issuer of this secret.
length numeric false 32 The length of the secret key.

generateQRCode

Generates a QR Code to use with authenticator apps containing the authenticator url.

Name Type Required Default Description
authenticatorUrl string true The authenticator url to encode in a QR code, usually from calling generateUrl.
width numeric false 128 The width of the QR code.
height numeric false 128 The height of the QR code.

generateRecoveryCodes

Generates an array of recovery codes.

Each code composed of numbers and lower case characters from latin alphabet (36 possible characters). The code is split in groups separated with dash for better readability. For example: 4ckn-xspn-et8t-xgr0

Name Type Required Default Description
amount numeric true The amount of codes to generate.

generateCode

Generates a Time-based One-time Password (TOTP) for a given secret.

Name Type Required Default Description
secret string true The Base32 string to use when generating the code.
digits numeric false 6 The number of digits of the code to return.
algorithm string false "SHA1" The algorithm to use when generating the code. Valid algorithms are: MD5, SHA1, SHA256, SHA384, SHA512.
time numeric false now The current time (expressed as seconds since January 1, 1970).
timePeriod numeric false 30 The time period the code is valid, in seconds.

verifyCode

Verifies a given TOTP for a given secret.

Name Type Required Default Description
secret string true The Base32 string to use when verifying the code. (This needs to be the same secret used to generate the code.)
code string true The code to verify.
algorithm string false "SHA1" The algorithm to use when verifying the code. (This needs to be the same algorithm used to generate the code.) Valid algorithms are: MD5, SHA1, SHA256, SHA384, SHA512.
time numeric false now The current time (expressed as seconds since January 1, 1970).
timePeriod numeric false 30 The time period the code is valid, in seconds.
allowedTimePeriodDiscrepancy numeric false 1 The number of periods, before and after, a code is considered valid. By default, a code is valid for 30 seconds before to 30 seconds after its valid period for a total of 90 seconds.