Move token generation from dedicated class to TwoFAccount model class

This commit is contained in:
Bubka 2020-11-14 18:55:10 +01:00
parent acd1b2deca
commit 02798a05f3
5 changed files with 81 additions and 91 deletions

View File

@ -1,60 +0,0 @@
<?php
namespace App\Classes;
use OTPHP\TOTP;
use OTPHP\Factory;
use Assert\AssertionFailedException;
class OTP
{
/**
* Generate a TOTP
*
* @param \App\TwoFAccount $twofaccount
* @param Boolean $isPreview Prevent updating storage in case of HOTP preview
* @return an array that represent the totp code
*/
public static function generate($twofaccount, $isPreview = false)
{
if( $twofaccount->otpType === 'totp' ) {
$currentPosition = time();
$PeriodCount = floor($currentPosition / $twofaccount->totpPeriod); //nombre de période de x s depuis T0 (x=30 par défaut)
$currentPeriodStartAt = $PeriodCount * $twofaccount->totpPeriod;
$positionInCurrentPeriod = $currentPosition - $currentPeriodStartAt;
// For memo :
// $nextOtpAt = ($PeriodCount+1)*$period
// $remainingTime = $nextOtpAt - time()
return $totp = [
'token' => $twofaccount->token(),
'position' => $positionInCurrentPeriod
];
}
else {
// It's a HOTP
$hotp = [
'token' => $twofaccount->token(),
'hotpCounter' => $twofaccount->hotpCounter
];
// now we update the counter for the next OTP generation
$twofaccount->increaseHotpCounter();
$hotp['nextHotpCounter'] = $twofaccount->hotpCounter;
$hotp['nextUri'] = $twofaccount->uri;
if( !$isPreview ) {
$twofaccount->save();
}
return $hotp;
}
}
}

View File

@ -114,31 +114,45 @@ public function reorder(Request $request)
*/
public function generateOTP(Request $request)
{
$isPreview = false;
if( $request->id ) {
// The request data is the Id of the account
// The request data is the Id of an existing account
$twofaccount = TwoFAccount::FindOrFail($request->id);
}
else if( $request->otp['uri'] ) {
// The request data contain an uri
$twofaccount = new TwoFAccount;
$twofaccount->populateFromUri($request->otp['uri']);
$isPreview = true; // HOTP generated for preview (in the Create form) will not have its counter updated
}
else {
// The request data should contain all otp parameter
$twofaccount = new TwoFAccount;
$twofaccount->populate($request->otp);
$isPreview = true; // HOTP generated for preview (in the Create form) will not have its counter updated
}
return response()->json(OTP::generate($twofaccount, $isPreview ? true : false), 200);
if( $twofaccount->otpType === 'hotp' ) {
// returned counter & uri will be updated
$twofaccount->increaseHotpCounter();
// and the db too
if( $request->id ) {
$twofaccount->save();
}
}
if( $request->id ) {
return response()->json($twofaccount, 200);
}
return response()->json($twofaccount->makeVisible(['uri', 'secret', 'algorithm']), 200);
}
/**
* Update the specified resource in storage.
*

View File

@ -40,7 +40,7 @@ class TwoFAccount extends Model implements Sortable
*
* @var array
*/
protected $appends = ['isConsistent', 'otpType', 'secret', 'algorithm', 'digits', 'totpPeriod', 'hotpCounter', 'imageLink'];
protected $appends = ['token', 'isConsistent', 'otpType', 'secret', 'algorithm', 'digits', 'totpPeriod', 'totpPosition', 'hotpCounter', 'imageLink'];
/**
@ -348,6 +348,29 @@ public function populate(Array $attrib = [])
}
/**
* Calculate where is now() in the totp current period
* @return mixed The position
*/
private function getTotpPosition()
{
// For memo :
// $nextOtpAt = ($PeriodCount+1)*$period
// $remainingTime = $nextOtpAt - time()
if( $this->otpType === 'totp' ) {
$currentPosition = time();
$PeriodCount = floor($currentPosition / $this->totpPeriod); //nombre de période de x s depuis T0 (x=30 par défaut)
$currentPeriodStartAt = $PeriodCount * $this->totpPeriod;
$positionInCurrentPeriod = $currentPosition - $currentPeriodStartAt;
return $positionInCurrentPeriod;
}
return null;
}
/**
* Update the uri attribute using the OTP object
* @return void
@ -362,12 +385,13 @@ private function refreshUri() : void
* Generate a token which is valid at the current time (now)
* @return string The generated token
*/
public function token() : string
public function generateToken() : string
{
return $this->otpType === 'totp' ? $this->otp->now() : $this->otp->at($this->otp->getCounter());
}
/**
* Increment the hotp counter by 1
* @return string The generated token
@ -381,6 +405,28 @@ public function increaseHotpCounter() : void
}
/**
* get token attribute
*
* @return string The token
*/
public function getTokenAttribute() : string
{
return $this->generateToken();
}
/**
* get totpPosition attribute
*
* @return int The position
*/
public function getTotpPositionAttribute()
{
return $this->getTotpPosition();
}
/**
* get OTP Type attribute
*

View File

@ -22,8 +22,6 @@
data() {
return {
id: null,
next_uri: '',
nextHotpCounter: null,
token : '',
timerID: null,
position: null,
@ -127,7 +125,7 @@
let spacePosition = Math.ceil(response.data.token.length / 2);
this.token = response.data.token.substr(0, spacePosition) + " " + response.data.token.substr(spacePosition);
this.position = response.data.position;
this.position = response.data.totpPosition;
let dots = this.$el.querySelector('.dots');
@ -172,11 +170,9 @@
let spacePosition = Math.ceil(response.data.token.length / 2);
this.token = response.data.token.substr(0, spacePosition) + " " + response.data.token.substr(spacePosition)
this.internal_hotpCounter = response.data.hotpCounter
this.nextHotpCounter = response.data.nextHotpCounter
this.next_uri = response.data.nextUri
this.$emit('update-hotp-counter', { nextHotpCounter: this.nextHotpCounter })
// returned counter & uri are incremented
this.$emit('increment-hotp', { nextHotpCounter: response.data.hotpCounter, nextUri: response.data.uri })
})
.catch(error => {

View File

@ -9,7 +9,7 @@
<font-awesome-icon :icon="['fas', 'image']" size="2x" />
</label>
<button class="delete delete-icon-button is-medium" v-if="tempIcon" @click.prevent="deleteIcon"></button>
<token-displayer ref="QuickFormTokenDisplayer" v-bind="form.data()">
<token-displayer ref="QuickFormTokenDisplayer" v-bind="form.data()" @increment-hotp="incrementHotp">
</token-displayer>
</div>
</div>
@ -128,7 +128,7 @@
</form>
<!-- modal -->
<modal v-model="ShowTwofaccountInModal">
<token-displayer ref="AdvancedFormTokenDisplayer" v-bind="form.data()" @update-hotp-counter="updateHotpCounter">
<token-displayer ref="AdvancedFormTokenDisplayer" v-bind="form.data()" @increment-hotp="incrementHotp">
</token-displayer>
</modal>
</form-wrapper>
@ -205,17 +205,6 @@
// set current temp icon as account icon
this.form.icon = this.tempIcon
// The quick form or the preview feature has incremented the HOTP counter so the next_uri property
// must be used as the uri to store.
// This could desynchronized the HOTP verification server and our local counter if the user never verified the HOTP but this
// is acceptable (and HOTP counter can be edited by the way)
if( this.isQuickForm && this.$refs.QuickFormTokenDisplayer.next_uri ) {
this.form.uri = this.$refs.QuickFormTokenDisplayer.next_uri
}
else if( this.$refs.AdvancedFormTokenDisplayer && this.$refs.AdvancedFormTokenDisplayer.next_uri ) {
this.form.uri = this.$refs.AdvancedFormTokenDisplayer.next_uri
}
await this.form.post('/api/twofaccounts')
if( this.form.errors.any() === false ) {
@ -253,7 +242,7 @@
this.form.fill(data)
this.form.otpType = this.form.otpType.toUpperCase()
this.form.secretIsBase32Encoded = 1
this.form.uri = '' // we don't want an uri now because the user can change any otp parameter in the form
this.form.uri = '' // we don't want the uri because the user can change any otp parameter in the form
},
@ -278,8 +267,13 @@
}
},
updateHotpCounter(payload) {
incrementHotp(payload) {
// The quick form or the preview feature has incremented the HOTP counter so we get the new value from
// the component.
// This could desynchronized the HOTP verification server and our local counter if the user never verified the HOTP but this
// is acceptable (and HOTP counter can be edited by the way)
this.form.hotpCounter = payload.nextHotpCounter
this.form.uri = payload.nextUri
},
},