static ByteBuf[] readCertificates(File file) throws CertificateException {
String content;
try {
content = readContent(file);
} catch (IOException e) {
throw new CertificateException("failed to read a file: " + file, e);
}
List<ByteBuf> certs = new ArrayList<ByteBuf>();
Matcher m = CERT_PATTERN.matcher(content);
int start = 0;
for (; ; ) {
if (!m.find(start)) {
break;
}
ByteBuf base64 = Unpooled.copiedBuffer(m.group(1), CharsetUtil.US_ASCII);
ByteBuf der = Base64.decode(base64);
base64.release();
certs.add(der);
start = m.end();
}
if (certs.isEmpty()) {
throw new CertificateException("found no certificates: " + file);
}
return certs.toArray(new ByteBuf[certs.size()]);
}
static ByteBuf readPrivateKey(File file) throws KeyException {
String content;
try {
content = readContent(file);
} catch (IOException e) {
throw new KeyException("failed to read a file: " + file, e);
}
Matcher m = KEY_PATTERN.matcher(content);
if (!m.find()) {
throw new KeyException("found no private key: " + file);
}
ByteBuf base64 = Unpooled.copiedBuffer(m.group(1), CharsetUtil.US_ASCII);
ByteBuf der = Base64.decode(base64);
base64.release();
return der;
}