public static void verifyAtteReport()

in samplecode/ue-ra/ue-ra-client-java/src/main/java/org/rustsgx/ueraclientjava/VerifyMraCert.java [105:189]
73 lines of code
14 McCabe index (conditional complexity)

    public static void verifyAtteReport(byte[] attnReportRaw, byte[] pubK) throws Exception {
        //extract data from attReportJson
        Gson gson = new Gson();
        String attReportJson = new String();
        for (int i = 0; i < attnReportRaw.length; i++) {
            attReportJson += (char) attnReportRaw[i];
        }
        SgxQuoteReport sgxQr;
        try {
            sgxQr = gson.fromJson(attReportJson, SgxQuoteReport.class);
        } catch (Exception e) {
            throw e;
        }

        //1 Check timestamp is within 24H
        if (sgxQr.getTimestamp().length() != 0) {
            String timeFixed = sgxQr.getTimestamp() + "Z";
            DateTime dateTime = new DateTime(timeFixed);
            DateTime now = new DateTime();
            Interval interval = new Interval(dateTime.getMillis(), now.getMillis());
            System.out.printf("Time diff =  %d\n", Seconds.secondsIn(interval).getSeconds());
        } else {
            throw new Exception("Failed to fetch timestamp from attestation report");
        }


        //2 Verify quote status (mandatory field)
        if (sgxQr.getIsvEnclaveQuoteStatus().length() != 0) {
            System.out.printf("isvEnclaveQuoteStatus = %s\n", sgxQr.getIsvEnclaveQuoteStatus());
            switch (sgxQr.getIsvEnclaveQuoteStatus()) {
                case "OK":
                    break;
                case "GROUP_OUT_OF_DATE":
                case "GROUP_REVOKED":
                case "CONFIGURATION_NEEDED":
                    if (sgxQr.getPlatformInfoBlob().length() != 0) {
                        byte[] pfBlob = HexBin.decode(sgxQr.getPlatformInfoBlob());
                        PlatformInfoBlob platformInfoBlob = new PlatformInfoBlob();
                        platformInfoBlob.parsePlatInfo(Arrays.copyOfRange(pfBlob, 4, pfBlob.length), platformInfoBlob);
                        System.out.printf("Platform info is: %s\n", gson.toJson(platformInfoBlob));
                    } else {
                        throw new Exception("Failed to fetch platformInfoBlob from attestation report");
                    }
                    break;
                default:
                    throw new Exception("SGX_ERROR_UNEXPECTED");
            }
        } else {
            throw new Exception("Failed to fetch isvEnclaveQuoteStatus from attestation report");
        }


        // 3 Verify quote body
        if (sgxQr.getIsvEnclaveQuoteBody().length() != 0) {
            Base64.Decoder decoder = Base64.getDecoder();
            byte[] qb = decoder.decode(sgxQr.getIsvEnclaveQuoteBody());
            String qbString = new String();
            String qbBytes = new String();
            String pubKeyString = new String();
            for (int i = 0; i < qb.length; i++) {
                qbBytes += String.format("%d, ", Byte.toUnsignedInt(qb[i]));
                qbString += String.format("%02x", qb[i]);
            }
            for (int i = 0; i < pubK.length; i++) {
                pubKeyString += String.format("%02x", pubK[i]);
            }

            QuoteReportData quoteReportData = new QuoteReportData();
            quoteReportData.pareReport(qb, qbString, quoteReportData);
            System.out.println("Quote = [" + qbBytes.substring(0, qbBytes.length() - 2) + "]");
            System.out.printf("sgx quote version = %s\n", quoteReportData.getVersion());
            System.out.printf("sgx quote signature type = %s\n", quoteReportData.getSignType());
            System.out.printf("sgx quote report_data = %s\n", quoteReportData.getQuoteReportBody().getReportData());
            System.out.printf("sgx quote mr_enclave = %s\n", quoteReportData.getQuoteReportBody().getMrEnclave());
            System.out.printf("sgx quote mr_signer = %s\n", quoteReportData.getQuoteReportBody().getMrSigner());
            System.out.printf("Anticipated public key = %s\n", pubKeyString);

            if (pubKeyString.equals(quoteReportData.getQuoteReportBody().getReportData())) {
                System.out.println("ue RA done!");
            }
        } else {
            throw new Exception("Failed to fetch isvEnclaveQuoteBody from attestation report");
        }

    }