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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\OATHAuth\HTMLForm; |
| 4 | |
| 5 | use Endroid\QrCode\Builder\Builder; |
| 6 | use Endroid\QrCode\Encoding\Encoding; |
| 7 | use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh; |
| 8 | use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeNone; |
| 9 | use Endroid\QrCode\Writer\SvgWriter; |
| 10 | use MediaWiki\Config\ConfigException; |
| 11 | use MediaWiki\Extension\OATHAuth\Key\TOTPKey; |
| 12 | use MediaWiki\Html\Html; |
| 13 | use MediaWiki\Logger\LoggerFactory; |
| 14 | use MediaWiki\Status\Status; |
| 15 | use MWException; |
| 16 | |
| 17 | class TOTPEnableForm extends OATHAuthOOUIHTMLForm { |
| 18 | /** |
| 19 | * @param array|bool|Status|string $submitResult |
| 20 | * @return string |
| 21 | */ |
| 22 | public function getHTML( $submitResult ) { |
| 23 | $this->getOutput()->addModuleStyles( 'ext.oath.totp.showqrcode.styles' ); |
| 24 | |
| 25 | return parent::getHTML( $submitResult ); |
| 26 | } |
| 27 | |
| 28 | /** |
| 29 | * Add content to output when operation was successful |
| 30 | */ |
| 31 | public function onSuccess() { |
| 32 | $this->getOutput()->addWikiMsg( 'oathauth-validatedoath' ); |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * @return array |
| 37 | */ |
| 38 | protected function getDescriptors() { |
| 39 | $keyData = $this->getRequest()->getSessionData( 'oathauth_totp_key' ) ?? []; |
| 40 | $key = TOTPKey::newFromArray( $keyData ); |
| 41 | if ( !$key instanceof TOTPKey ) { |
| 42 | $key = TOTPKey::newFromRandom(); |
| 43 | $this->getRequest()->setSessionData( |
| 44 | 'oathauth_totp_key', |
| 45 | $key->jsonSerialize() |
| 46 | ); |
| 47 | } |
| 48 | |
| 49 | $secret = $key->getSecret(); |
| 50 | $issuer = $this->oathUser->getIssuer(); |
| 51 | $account = $this->oathUser->getAccount(); |
| 52 | $label = "{$issuer}:{$account}"; |
| 53 | $qrcodeUrl = "otpauth://totp/" |
| 54 | . rawurlencode( $label ) |
| 55 | . "?secret=" |
| 56 | . rawurlencode( $secret ) |
| 57 | . "&issuer=" |
| 58 | . rawurlencode( $issuer ); |
| 59 | |
| 60 | $qrCode = Builder::create() |
| 61 | ->writer( new SvgWriter() ) |
| 62 | ->writerOptions( [ SvgWriter::WRITER_OPTION_EXCLUDE_XML_DECLARATION => true ] ) |
| 63 | ->data( $qrcodeUrl ) |
| 64 | ->encoding( new Encoding( 'UTF-8' ) ) |
| 65 | ->errorCorrectionLevel( new ErrorCorrectionLevelHigh() ) |
| 66 | ->roundBlockSizeMode( new RoundBlockSizeModeNone() ) |
| 67 | ->size( 256 ) |
| 68 | ->margin( 0 ) |
| 69 | ->build(); |
| 70 | |
| 71 | // messages used: oathauth-step1, oathauth-step2, oathauth-step3, oathauth-step4 |
| 72 | return [ |
| 73 | 'app' => [ |
| 74 | 'type' => 'info', |
| 75 | 'default' => $this->msg( 'oathauth-step1-test' )->parse(), |
| 76 | 'raw' => true, |
| 77 | 'section' => 'step1', |
| 78 | ], |
| 79 | 'qrcode' => [ |
| 80 | 'type' => 'info', |
| 81 | 'default' => |
| 82 | $this->msg( 'oathauth-step2-qrcode' )->escaped() . '<br/>' |
| 83 | . Html::element( 'img', [ |
| 84 | 'src' => $qrCode->getDataUri(), |
| 85 | 'alt' => $this->msg( 'oathauth-qrcode-alt' ), |
| 86 | 'width' => 256, |
| 87 | 'height' => 256, |
| 88 | ] ), |
| 89 | 'raw' => true, |
| 90 | 'section' => 'step2', |
| 91 | ], |
| 92 | 'manual' => [ |
| 93 | 'type' => 'info', |
| 94 | 'label-message' => 'oathauth-step2alt', |
| 95 | 'default' => |
| 96 | '<strong>' . $this->msg( 'oathauth-secret' )->escaped() . '</strong><br/>' |
| 97 | . '<kbd>' . $this->getSecretForDisplay( $key ) . '</kbd><br/>' |
| 98 | . '<strong>' . $this->msg( 'oathauth-account' )->escaped() . '</strong><br/>' |
| 99 | . htmlspecialchars( $label ) . '<br/><br/>', |
| 100 | 'raw' => true, |
| 101 | 'section' => 'step2', |
| 102 | ], |
| 103 | 'scratchtokens' => [ |
| 104 | 'type' => 'info', |
| 105 | 'default' => |
| 106 | '<strong>' . $this->msg( 'oathauth-recoverycodes-important' )->escaped() . '</strong><br/>' |
| 107 | . $this->msg( 'oathauth-recoverycodes' )->parse() |
| 108 | . $this->createResourceList( $this->getScratchTokensForDisplay( $key ) ), |
| 109 | 'raw' => true, |
| 110 | 'section' => 'step3', |
| 111 | ], |
| 112 | 'token' => [ |
| 113 | 'type' => 'text', |
| 114 | 'default' => '', |
| 115 | 'label-message' => 'oathauth-entertoken', |
| 116 | 'name' => 'token', |
| 117 | 'section' => 'step4', |
| 118 | 'dir' => 'ltr', |
| 119 | 'autocomplete' => 'one-time-code', |
| 120 | 'spellcheck' => false, |
| 121 | ] |
| 122 | ]; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * @param array $resources |
| 127 | * @return string |
| 128 | */ |
| 129 | private function createResourceList( $resources ) { |
| 130 | $resourceList = ''; |
| 131 | foreach ( $resources as $resource ) { |
| 132 | $resourceList .= Html::rawElement( 'li', [], Html::rawElement( 'kbd', [], $resource ) ); |
| 133 | } |
| 134 | return Html::rawElement( 'ul', [], $resourceList ); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Retrieve the current secret for display purposes |
| 139 | * |
| 140 | * The characters of the token are split in groups of 4 |
| 141 | * |
| 142 | * @param TOTPKey $key |
| 143 | * @return string |
| 144 | */ |
| 145 | protected function getSecretForDisplay( TOTPKey $key ) { |
| 146 | return $this->tokenFormatterFunction( $key->getSecret() ); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Retrieve current recovery codes for display purposes |
| 151 | * |
| 152 | * The characters of the token are split in groups of 4 |
| 153 | * |
| 154 | * @param TOTPKey $key |
| 155 | * @return string[] |
| 156 | */ |
| 157 | protected function getScratchTokensForDisplay( TOTPKey $key ) { |
| 158 | return array_map( [ $this, 'tokenFormatterFunction' ], $key->getScratchTokens() ); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Formats a key or recovery code by creating groups of 4 separated by space characters |
| 163 | * |
| 164 | * @param string $token Token to format |
| 165 | * @return string The token formatted for display |
| 166 | */ |
| 167 | private function tokenFormatterFunction( $token ) { |
| 168 | return implode( ' ', str_split( $token, 4 ) ); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * @param array $formData |
| 173 | * @return array|bool |
| 174 | * @throws ConfigException |
| 175 | * @throws MWException |
| 176 | */ |
| 177 | public function onSubmit( array $formData ) { |
| 178 | $keyData = $this->getRequest()->getSessionData( 'oathauth_totp_key' ) ?? []; |
| 179 | $key = TOTPKey::newFromArray( $keyData ); |
| 180 | if ( !$key instanceof TOTPKey ) { |
| 181 | return [ 'oathauth-invalidrequest' ]; |
| 182 | } |
| 183 | |
| 184 | if ( $key->isScratchToken( $formData['token'] ) ) { |
| 185 | // A recovery code is not allowed for enrollment |
| 186 | LoggerFactory::getInstance( 'authentication' )->info( |
| 187 | 'OATHAuth {user} attempted to enable 2FA using a recovery code from {clientip}', [ |
| 188 | 'user' => $this->getUser()->getName(), |
| 189 | 'clientip' => $this->getRequest()->getIP(), |
| 190 | ] |
| 191 | ); |
| 192 | return [ 'oathauth-noscratchforvalidation' ]; |
| 193 | } |
| 194 | if ( !$key->verify( [ 'token' => $formData['token'] ], $this->oathUser ) ) { |
| 195 | LoggerFactory::getInstance( 'authentication' )->info( |
| 196 | 'OATHAuth {user} failed to provide a correct token while enabling 2FA from {clientip}', [ |
| 197 | 'user' => $this->getUser()->getName(), |
| 198 | 'clientip' => $this->getRequest()->getIP(), |
| 199 | ] |
| 200 | ); |
| 201 | return [ 'oathauth-failedtovalidateoath' ]; |
| 202 | } |
| 203 | |
| 204 | $this->getRequest()->setSessionData( 'oathauth_totp_key', null ); |
| 205 | $this->oathRepo->createKey( |
| 206 | $this->oathUser, |
| 207 | $this->module, |
| 208 | $key->jsonSerialize(), |
| 209 | $this->getRequest()->getIP() |
| 210 | ); |
| 211 | |
| 212 | return true; |
| 213 | } |
| 214 | } |