@@ -130,7 +130,7 @@ |
||
| 130 | 130 | $frontendData = []; |
| 131 | 131 | $frontendData['challengeEncoded'] = $challengeEncoded; |
| 132 | 132 | $frontendData['state'] = []; |
| 133 | - foreach (['Source', 'FIDO2Scope','FIDO2Username','FIDO2Displayname','requestTokenModel'] as $stateItem) { |
|
| 133 | + foreach (['Source', 'FIDO2Scope', 'FIDO2Username', 'FIDO2Displayname', 'requestTokenModel'] as $stateItem) { |
|
| 134 | 134 | $frontendData['state'][$stateItem] = $state[$stateItem]; |
| 135 | 135 | } |
| 136 | 136 | |
@@ -202,7 +202,7 @@ |
||
| 202 | 202 | 'private' => false, |
| 203 | 203 | ]); |
| 204 | 204 | $response->setExpires(new DateTime('Thu, 19 Nov 1981 08:52:00 GMT')); |
| 205 | - */ |
|
| 205 | + */ |
|
| 206 | 206 | |
| 207 | 207 | return $response; |
| 208 | 208 | } |
@@ -172,7 +172,7 @@ |
||
| 172 | 172 | |
| 173 | 173 | if ($debugEnabled) { |
| 174 | 174 | $response = new RunnableResponse( |
| 175 | - function ($authObject, $state) { |
|
| 175 | + function($authObject, $state) { |
|
| 176 | 176 | echo $authObject->getDebugBuffer(); |
| 177 | 177 | echo $authObject->getValidateBuffer(); |
| 178 | 178 | echo "Debug mode, not continuing to " . ($state['FIDO2WantsRegister'] ? "credential registration page." : "destination."); |
@@ -149,10 +149,10 @@ discard block |
||
| 149 | 149 | /** |
| 150 | 150 | * §7.2 STEP 18 : detect physical object cloning on the token |
| 151 | 151 | */ |
| 152 | - $counter = $authObject->getCounter(); |
|
| 153 | - if ($previousCounter == 0 && $counter == 0) { |
|
| 152 | + $counter = $authObject->getCounter(); |
|
| 153 | + if ($previousCounter == 0 && $counter == 0) { |
|
| 154 | 154 | // no cloning check, it is a brand new token |
| 155 | - } elseif ($counter > $previousCounter) { |
|
| 155 | + } elseif ($counter > $previousCounter) { |
|
| 156 | 156 | // Signature counter was incremented compared to last time, good |
| 157 | 157 | $store = $state['webauthn:store']; |
| 158 | 158 | $store->updateSignCount($oneToken[0], $counter); |
@@ -208,7 +208,7 @@ discard block |
||
| 208 | 208 | 'private' => false, |
| 209 | 209 | ]); |
| 210 | 210 | $response->setExpires(new DateTime('Thu, 19 Nov 1981 08:52:00 GMT')); |
| 211 | - */ |
|
| 211 | + */ |
|
| 212 | 212 | |
| 213 | 213 | return $response; |
| 214 | 214 | } |
@@ -202,7 +202,7 @@ |
||
| 202 | 202 | 'private' => false, |
| 203 | 203 | ]); |
| 204 | 204 | $response->setExpires(new DateTime('Thu, 19 Nov 1981 08:52:00 GMT')); |
| 205 | - */ |
|
| 205 | + */ |
|
| 206 | 206 | |
| 207 | 207 | return $response; |
| 208 | 208 | } |
@@ -196,7 +196,7 @@ |
||
| 196 | 196 | $id = $this->authState::saveState($state, 'webauthn:request'); |
| 197 | 197 | if ($debugEnabled === true) { |
| 198 | 198 | $response = new RunnableResponse( |
| 199 | - function ($regObject, $id) { |
|
| 199 | + function($regObject, $id) { |
|
| 200 | 200 | echo $regObject->getDebugBuffer(); |
| 201 | 201 | echo $regObject->getValidateBuffer(); |
| 202 | 202 | echo "<form id='regform' method='POST' action='" . |
@@ -122,9 +122,9 @@ discard block |
||
| 122 | 122 | case "android-safetynet": |
| 123 | 123 | $this->validateAttestationFormatAndroidSafetyNet($attestationArray); |
| 124 | 124 | break; |
| 125 | - case "apple": |
|
| 126 | - $this->validateAttestationFormatApple($attestationArray); |
|
| 127 | - break; |
|
| 125 | + case "apple": |
|
| 126 | + $this->validateAttestationFormatApple($attestationArray); |
|
| 127 | + break; |
|
| 128 | 128 | case "tpm": |
| 129 | 129 | case "android-key": |
| 130 | 130 | $this->fail("Attestation format " . $attestationArray['fmt'] . " validation not supported right now."); |
@@ -161,9 +161,9 @@ discard block |
||
| 161 | 161 | private function validateAttestationFormatApple(array $attestationArray): void |
| 162 | 162 | { |
| 163 | 163 | |
| 164 | - // found at: https://www.apple.com/certificateauthority/private/ |
|
| 164 | + // found at: https://www.apple.com/certificateauthority/private/ |
|
| 165 | 165 | |
| 166 | - $APPLE_WEBAUTHN_ROOT_CA = "-----BEGIN CERTIFICATE----- |
|
| 166 | + $APPLE_WEBAUTHN_ROOT_CA = "-----BEGIN CERTIFICATE----- |
|
| 167 | 167 | MIICEjCCAZmgAwIBAgIQaB0BbHo84wIlpQGUKEdXcTAKBggqhkjOPQQDAzBLMR8w |
| 168 | 168 | HQYDVQQDDBZBcHBsZSBXZWJBdXRobiBSb290IENBMRMwEQYDVQQKDApBcHBsZSBJ |
| 169 | 169 | bmMuMRMwEQYDVQQIDApDYWxpZm9ybmlhMB4XDTIwMDMxODE4MjEzMloXDTQ1MDMx |
@@ -178,66 +178,66 @@ discard block |
||
| 178 | 178 | 1bWeT0vT |
| 179 | 179 | -----END CERTIFICATE-----"; |
| 180 | 180 | // § 8.8 Bullet 1 of the draft spec at https://pr-preview.s3.amazonaws.com/alanwaketan/webauthn/pull/1491.html#sctn-apple-anonymous-attestation |
| 181 | - // draft implemented in state of 11 Feb 2021 |
|
| 181 | + // draft implemented in state of 11 Feb 2021 |
|
| 182 | 182 | |
| 183 | - // I can't help but notice that the verification procedure does NOTHING with CA certs from the chain, nor is there a root to validate to! |
|
| 184 | - // Found the root CA with Google, see above, and will perform chain validation even if the spec doesn't say so. |
|
| 183 | + // I can't help but notice that the verification procedure does NOTHING with CA certs from the chain, nor is there a root to validate to! |
|
| 184 | + // Found the root CA with Google, see above, and will perform chain validation even if the spec doesn't say so. |
|
| 185 | 185 | |
| 186 | - // first, clear the openssl error backlog. We might need error data in case things go sideways. |
|
| 187 | - while(openssl_error_string() !== false); |
|
| 186 | + // first, clear the openssl error backlog. We might need error data in case things go sideways. |
|
| 187 | + while(openssl_error_string() !== false); |
|
| 188 | 188 | |
| 189 | 189 | $stmtDecoded = $attestationArray['attStmt']; |
| 190 | - if (!isset($stmtDecoded['x5c'])) { |
|
| 191 | - $this->fail("Apple attestation statement does not contain an x5c attestation statement!"); |
|
| 192 | - } |
|
| 193 | - // § 8.8 Bullet 2 |
|
| 190 | + if (!isset($stmtDecoded['x5c'])) { |
|
| 191 | + $this->fail("Apple attestation statement does not contain an x5c attestation statement!"); |
|
| 192 | + } |
|
| 193 | + // § 8.8 Bullet 2 |
|
| 194 | 194 | $nonceToHash = $attestationArray['authData'] . $this->clientDataHash; |
| 195 | - // § 8.8 Bullet 3 |
|
| 196 | - $nonce = hash("sha256", $nonceToHash, TRUE); // does raw_output have to be FALSE or TRUE? |
|
| 195 | + // § 8.8 Bullet 3 |
|
| 196 | + $nonce = hash("sha256", $nonceToHash, TRUE); // does raw_output have to be FALSE or TRUE? |
|
| 197 | 197 | $certProps = openssl_x509_parse(Utils\Crypto::der2pem($stmtDecoded['x5c'][0])); |
| 198 | - // § 8.8 Bullet 4 |
|
| 198 | + // § 8.8 Bullet 4 |
|
| 199 | 199 | if ( |
| 200 | - !isset($certProps['extensions']['1.2.840.113635.100.8.2']) |
|
| 200 | + !isset($certProps['extensions']['1.2.840.113635.100.8.2']) |
|
| 201 | 201 | || empty($certProps['extensions']['1.2.840.113635.100.8.2']) |
| 202 | 202 | ) { |
| 203 | 203 | $this->fail( "The required nonce value is not present in the OID." ); |
| 204 | 204 | } |
| 205 | - $toCompare = substr($certProps['extensions']['1.2.840.113635.100.8.2'], 6); |
|
| 206 | - if ($nonce != $toCompare) { |
|
| 207 | - $this->fail("There is a mismatch between the nonce and the OID (XXX $nonce XXX , XXX $toCompare XXX )."); |
|
| 208 | - } |
|
| 205 | + $toCompare = substr($certProps['extensions']['1.2.840.113635.100.8.2'], 6); |
|
| 206 | + if ($nonce != $toCompare) { |
|
| 207 | + $this->fail("There is a mismatch between the nonce and the OID (XXX $nonce XXX , XXX $toCompare XXX )."); |
|
| 208 | + } |
|
| 209 | 209 | |
| 210 | - // chain validation first |
|
| 211 | - foreach ( $stmtDecoded['x5c'] as $runIndex => $runCert ) { |
|
| 212 | - if (isset($stmtDecoded['x5c'][$runIndex + 1])) { // there is a next cert, so follow the chain |
|
| 213 | - $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
|
| 214 | - $signerPubKey = openssl_pkey_get_public(Utils\Crypto::der2pem($stmtDecoded['x5c'][$runIndex + 1])); |
|
| 215 | - if (openssl_x509_verify($certResource, $signerPubKey) != 1) { |
|
| 216 | - $this->fail("Error during chain validation of the attestation certificate (while validating cert #$runIndex, which is " |
|
| 210 | + // chain validation first |
|
| 211 | + foreach ( $stmtDecoded['x5c'] as $runIndex => $runCert ) { |
|
| 212 | + if (isset($stmtDecoded['x5c'][$runIndex + 1])) { // there is a next cert, so follow the chain |
|
| 213 | + $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
|
| 214 | + $signerPubKey = openssl_pkey_get_public(Utils\Crypto::der2pem($stmtDecoded['x5c'][$runIndex + 1])); |
|
| 215 | + if (openssl_x509_verify($certResource, $signerPubKey) != 1) { |
|
| 216 | + $this->fail("Error during chain validation of the attestation certificate (while validating cert #$runIndex, which is " |
|
| 217 | 217 | . Utils\Crypto::der2pem($runCert) |
| 218 | 218 | . "; next cert was " |
| 219 | 219 | . Utils\Crypto::der2pem($stmtDecoded['x5c'][$runIndex + 1])); |
| 220 | - } |
|
| 221 | - } else { // last cert, compare to the root |
|
| 222 | - $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
|
| 223 | - $signerPubKey = openssl_pkey_get_public($APPLE_WEBAUTHN_ROOT_CA); |
|
| 224 | - if (openssl_x509_verify($certResource, $signerPubKey) != 1) { |
|
| 220 | + } |
|
| 221 | + } else { // last cert, compare to the root |
|
| 222 | + $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
|
| 223 | + $signerPubKey = openssl_pkey_get_public($APPLE_WEBAUTHN_ROOT_CA); |
|
| 224 | + if (openssl_x509_verify($certResource, $signerPubKey) != 1) { |
|
| 225 | 225 | $this->fail("Error during root CA validation of the attestation chain certificate, which is ".Utils\Crypto::der2pem($runCert)); |
| 226 | 226 | } |
| 227 | - } |
|
| 228 | - } |
|
| 227 | + } |
|
| 228 | + } |
|
| 229 | 229 | |
| 230 | 230 | $keyResource = openssl_pkey_get_public(Utils\Crypto::der2pem($stmtDecoded['x5c'][0])); |
| 231 | 231 | if ($keyResource === FALSE) { |
| 232 | - $this->fail("Did not get a parseable X.509 structure out of the Apple attestation statement - x5c nr. 0 statement was: XXX " |
|
| 232 | + $this->fail("Did not get a parseable X.509 structure out of the Apple attestation statement - x5c nr. 0 statement was: XXX " |
|
| 233 | 233 | . $stmtDecoded['x5c'][0] |
| 234 | 234 | . " XXX; PEM equivalent is " |
| 235 | 235 | . Utils\Crypto::der2pem($stmtDecoded['x5c'][0]) |
| 236 | 236 | . ". OpenSSL error: " |
| 237 | 237 | . openssl_error_string() |
| 238 | 238 | ); |
| 239 | - } |
|
| 240 | - // $this->credential is a public key in CBOR, not "PEM". We need to convert it first. |
|
| 239 | + } |
|
| 240 | + // $this->credential is a public key in CBOR, not "PEM". We need to convert it first. |
|
| 241 | 241 | $keyArray = $this->cborDecode(hex2bin($this->credential)); |
| 242 | 242 | $keyObject = new Ec2Key($keyArray); |
| 243 | 243 | $credentialResource = openssl_pkey_get_public($keyObject->asPEM()); |
@@ -251,20 +251,20 @@ discard block |
||
| 251 | 251 | . openssl_error_string() |
| 252 | 252 | ); |
| 253 | 253 | } |
| 254 | - // § 8.8 Bullet 5 |
|
| 255 | - $credentialDetails = openssl_pkey_get_details($credentialResource); |
|
| 256 | - $keyDetails = openssl_pkey_get_details($keyResource); |
|
| 257 | - if ( $credentialDetails['bits'] != $keyDetails['bits'] || |
|
| 254 | + // § 8.8 Bullet 5 |
|
| 255 | + $credentialDetails = openssl_pkey_get_details($credentialResource); |
|
| 256 | + $keyDetails = openssl_pkey_get_details($keyResource); |
|
| 257 | + if ( $credentialDetails['bits'] != $keyDetails['bits'] || |
|
| 258 | 258 | $credentialDetails['key'] != $keyDetails['key'] || |
| 259 | 259 | $credentialDetails['type'] != $keyDetails['type'] ) { |
| 260 | - $this->fail("The credential public key does not match the certificate public key in attestationData. (" |
|
| 261 | - . $credentialDetails['key'] |
|
| 262 | - . " - " |
|
| 263 | - . $keyDetails['key'] |
|
| 264 | - . ")"); |
|
| 265 | - } |
|
| 266 | - $this->pass("Apple attestation format verification passed."); |
|
| 267 | - return; |
|
| 260 | + $this->fail("The credential public key does not match the certificate public key in attestationData. (" |
|
| 261 | + . $credentialDetails['key'] |
|
| 262 | + . " - " |
|
| 263 | + . $keyDetails['key'] |
|
| 264 | + . ")"); |
|
| 265 | + } |
|
| 266 | + $this->pass("Apple attestation format verification passed."); |
|
| 267 | + return; |
|
| 268 | 268 | } |
| 269 | 269 | |
| 270 | 270 | /** |
@@ -391,7 +391,7 @@ discard block |
||
| 391 | 391 | $keyObject = new Ec2Key($this->cborDecode(hex2bin($this->credential))); |
| 392 | 392 | $keyResource = openssl_pkey_get_public($keyObject->asPEM()); |
| 393 | 393 | if ($keyResource === false) { |
| 394 | - $this->fail("Unable to construct ECDSA public key resource from PEM."); |
|
| 394 | + $this->fail("Unable to construct ECDSA public key resource from PEM."); |
|
| 395 | 395 | }; |
| 396 | 396 | break; |
| 397 | 397 | case self::PK_ALGORITHM_RSA: |
@@ -23,7 +23,7 @@ discard block |
||
| 23 | 23 | */ |
| 24 | 24 | public const PK_ALGORITHM_ECDSA = "-7"; |
| 25 | 25 | public const PK_ALGORITHM_RSA = "-257"; |
| 26 | - public const PK_ALGORITHM = [ self::PK_ALGORITHM_ECDSA, self::PK_ALGORITHM_RSA ]; |
|
| 26 | + public const PK_ALGORITHM = [self::PK_ALGORITHM_ECDSA, self::PK_ALGORITHM_RSA]; |
|
| 27 | 27 | public const AAGUID_ASSURANCE_LEVEL_NONE = 0; |
| 28 | 28 | public const AAGUID_ASSURANCE_LEVEL_SELF = 1; |
| 29 | 29 | public const AAGUID_ASSURANCE_LEVEL_BASIC = 2; |
@@ -184,7 +184,7 @@ discard block |
||
| 184 | 184 | // Found the root CA with Google, see above, and will perform chain validation even if the spec doesn't say so. |
| 185 | 185 | |
| 186 | 186 | // first, clear the openssl error backlog. We might need error data in case things go sideways. |
| 187 | - while(openssl_error_string() !== false); |
|
| 187 | + while (openssl_error_string() !== false); |
|
| 188 | 188 | |
| 189 | 189 | $stmtDecoded = $attestationArray['attStmt']; |
| 190 | 190 | if (!isset($stmtDecoded['x5c'])) { |
@@ -200,7 +200,7 @@ discard block |
||
| 200 | 200 | !isset($certProps['extensions']['1.2.840.113635.100.8.2']) |
| 201 | 201 | || empty($certProps['extensions']['1.2.840.113635.100.8.2']) |
| 202 | 202 | ) { |
| 203 | - $this->fail( "The required nonce value is not present in the OID." ); |
|
| 203 | + $this->fail("The required nonce value is not present in the OID."); |
|
| 204 | 204 | } |
| 205 | 205 | $toCompare = substr($certProps['extensions']['1.2.840.113635.100.8.2'], 6); |
| 206 | 206 | if ($nonce != $toCompare) { |
@@ -208,7 +208,7 @@ discard block |
||
| 208 | 208 | } |
| 209 | 209 | |
| 210 | 210 | // chain validation first |
| 211 | - foreach ( $stmtDecoded['x5c'] as $runIndex => $runCert ) { |
|
| 211 | + foreach ($stmtDecoded['x5c'] as $runIndex => $runCert) { |
|
| 212 | 212 | if (isset($stmtDecoded['x5c'][$runIndex + 1])) { // there is a next cert, so follow the chain |
| 213 | 213 | $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
| 214 | 214 | $signerPubKey = openssl_pkey_get_public(Utils\Crypto::der2pem($stmtDecoded['x5c'][$runIndex + 1])); |
@@ -222,7 +222,7 @@ discard block |
||
| 222 | 222 | $certResource = openssl_x509_read(Utils\Crypto::der2pem($runCert)); |
| 223 | 223 | $signerPubKey = openssl_pkey_get_public($APPLE_WEBAUTHN_ROOT_CA); |
| 224 | 224 | if (openssl_x509_verify($certResource, $signerPubKey) != 1) { |
| 225 | - $this->fail("Error during root CA validation of the attestation chain certificate, which is ".Utils\Crypto::der2pem($runCert)); |
|
| 225 | + $this->fail("Error during root CA validation of the attestation chain certificate, which is " . Utils\Crypto::der2pem($runCert)); |
|
| 226 | 226 | } |
| 227 | 227 | } |
| 228 | 228 | } |
@@ -254,9 +254,9 @@ discard block |
||
| 254 | 254 | // § 8.8 Bullet 5 |
| 255 | 255 | $credentialDetails = openssl_pkey_get_details($credentialResource); |
| 256 | 256 | $keyDetails = openssl_pkey_get_details($keyResource); |
| 257 | - if ( $credentialDetails['bits'] != $keyDetails['bits'] || |
|
| 258 | - $credentialDetails['key'] != $keyDetails['key'] || |
|
| 259 | - $credentialDetails['type'] != $keyDetails['type'] ) { |
|
| 257 | + if ($credentialDetails['bits'] != $keyDetails['bits'] || |
|
| 258 | + $credentialDetails['key'] != $keyDetails['key'] || |
|
| 259 | + $credentialDetails['type'] != $keyDetails['type']) { |
|
| 260 | 260 | $this->fail("The credential public key does not match the certificate public key in attestationData. (" |
| 261 | 261 | . $credentialDetails['key'] |
| 262 | 262 | . " - " |