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(PHP Extension) Download Google OAuth2 Certs (JWK) and Load into Chilkat PublicKey ObjectsDemonstrates how to download the JWK from https://www.googleapis.com/oauth2/v3/certs and load the public keys into Chilkat public key objects.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $http = new CkHttp(); $jwkStr = $http->quickGetStr('https://www.googleapis.com/oauth2/v3/certs'); if ($http->get_LastMethodSuccess() == false) { print $http->lastErrorText() . "\n"; exit; } // We have the following: // { // "keys": [ // { // "kid": "e8732db06287515556213b80acbcfd08cfb302a9", // "n": "4RIrO30287Wsq3gqXCMkUYMVAeI3H8...w2mbMNEBQ", // "kty": "RSA", // "e": "AQAB", // "alg": "RS256", // "use": "sig" // }, // { // "kid": "8462a71da4f6d611fc0fecf0fc4ba9c37d65e6cd", // "e": "AQAB", // "n": "xT_ngLZNmT5GBtJZeTB...Ft4gK0eoFi0d3l8bcw", // "alg": "RS256", // "use": "sig", // "kty": "RSA" // } // ] // } $json = new CkJsonObject(); $success = $json->Load($jwkStr); $numKeys = $json->SizeOfArray('keys'); $i = 0; while ($i < $numKeys) { $json->put_I($i); // jsonKey is a CkJsonObject $jsonKey = $json->ObjectOf('keys[i]'); $pubKey = new CkPublicKey(); $success = $pubKey->LoadFromString($jsonKey->emit()); if ($success == false) { print $pubKey->lastErrorText() . "\n"; exit; } print $i . "\n"; print $pubKey->getPem(true) . "\n"; $i = $i + 1; } print 'Success.' . "\n"; // Sample output: // 0 // -----BEGIN RSA PUBLIC KEY----- // MIIBCgKCAQEA4RIrO30287Wsq3gqXCMkUYMVAeI3H8LVE6IXR1krdFeGnZLiGUPw // cbkeVpXf3lmJdsStOg+jijces2DZCfPyIBiQuLYfxxmAZE6ErJ0QJFg1stwli2Pz // 9ncYhFoqi8pXr7kEzEJBTzX4thuw56ydbGsshSEznPXoerCJOc7UI2+n0wFCWQ4Y // LHbh/PrWt4vdadyUUUW/QpQHXQLdD8q/Qwqdj0O9zlJE7R6Elw2E9EqnHyIGu1hm // LxhqrTru1M18SUhONYbVskV/BCEdVKs//X96849HorWQDCAgVMWfGsdMVq55FAdJ // 680N5UmQDRynIZ4+PeNGN4S9iw2mbMNEBQIDAQAB // -----END RSA PUBLIC KEY----- // // 1 // -----BEGIN RSA PUBLIC KEY----- // MIIBCgKCAQEAxT/ngLZNmT5GBdkLtJZjNeTB+8B5yWgrq/e5eMZ1hrZhcmLK+dSn // IkpOPV8/OekV67EnQ7I4II2rcNJnHGrGKZziXO3XN2gtUHE+mBJC99oULSbX/QwB // Kz7gC/IBPq9EuxTt6Oq6fPkVQ9DbRIgWJSEGBF/KRaNl3kyAlIZfpY7XgHyJTTv8 // E7yAcYKPR+36gzdl+ps0sDLKzUuAtZNq8llK0u80z6AtAUIYwWdkEhM9upy6keKI // TasIxcsO7M6kZPINUSbh6t5VAm8FuqRmxpgg+9c9/GQSGd89InVypoVzWLQ+wOGg // 5G4H6JqIgtj0TRFt4gK0eoFi2U0d3l8bcwIDAQAB // -----END RSA PUBLIC KEY----- // // Success. ?> |
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