forked from vikunja/vikunja
konrad
24904585a2
Fix user tests Add swagger docs Fix lint Add totp check when logging in Make totp enrollment work Add migration for totp table go mod vendor Add routes for totp routes Add route handler for totp routes Add basic implementation to enroll a user in totp Co-authored-by: kolaente <k@knt.li> Reviewed-on: vikunja/api#383
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
/**
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* Copyright 2014 Paul Querna
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// Package otp implements both HOTP and TOTP based
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// one time passcodes in a Google Authenticator compatible manner.
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//
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// When adding a TOTP for a user, you must store the "secret" value
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// persistently. It is recommend to store the secret in an encrypted field in your
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// datastore. Due to how TOTP works, it is not possible to store a hash
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// for the secret value like you would a password.
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//
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// To enroll a user, you must first generate an OTP for them. Google
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// Authenticator supports using a QR code as an enrollment method:
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//
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// import (
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// "github.com/pquerna/otp/totp"
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//
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// "bytes"
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// "image/png"
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// )
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//
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// key, err := totp.Generate(totp.GenerateOpts{
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// Issuer: "Example.com",
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// AccountName: "alice@example.com",
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// })
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//
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// // Convert TOTP key into a QR code encoded as a PNG image.
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// var buf bytes.Buffer
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// img, err := key.Image(200, 200)
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// png.Encode(&buf, img)
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//
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// // display the QR code to the user.
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// display(buf.Bytes())
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//
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// // Now Validate that the user's successfully added the passcode.
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// passcode := promptForPasscode()
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// valid := totp.Validate(passcode, key.Secret())
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//
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// if valid {
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// // User successfully used their TOTP, save it to your backend!
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// storeSecret("alice@example.com", key.Secret())
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// }
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//
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// Validating a TOTP passcode is very easy, just prompt the user for a passcode
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// and retrieve the associated user's previously stored secret.
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// import "github.com/pquerna/otp/totp"
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//
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// passcode := promptForPasscode()
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// secret := getSecret("alice@example.com")
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//
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// valid := totp.Validate(passcode, secret)
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//
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// if valid {
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// // Success! continue login process.
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// }
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package otp
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