public boolean sign(Principal.Authentic keys, HttpRequest request) {
if (null != keys) {
RSA rsa = new RSA(keys);
request.maySetDate();
request.maySetHost();
request.setContentMD5();
this.setSAuthVersion(request);
this.setSAuthUID(request, keys.getUID());
this.setSAuthNonce(request);
java.lang.String requestline =
request.validateMethod() + ' ' + request.validatePathComplete();
java.lang.String headerHost = request.validateHostHeaderString();
java.lang.String headerDate = request.validateDateHeaderString();
java.lang.String headerSAuthVersion = this.validateSAuthVersionHeaderString(request);
java.lang.String headerSAuthUID = this.validateSAuthUIDHeaderString(request);
java.lang.String headerSAuthNonce = this.validateSAuthNonceHeaderString(request);
java.lang.String headerContentType = null;
java.lang.String headerContentLength = null;
java.lang.String headerContentEncoding = null;
java.lang.String headerContentRange = null;
java.lang.String headerContentLocation = null;
java.lang.String headerETag = null;
java.lang.String headerLastModified = null;
java.lang.String headerExpires = null;
java.lang.String headerContentMD5 = null;
SHA1 sha = new SHA1();
sha.update(requestline);
sha.update(headerHost);
sha.update(headerDate);
if (request.isContentLengthPositive()) {
headerContentType = request.getContentTypeHeaderString();
sha.update(headerContentType);
headerContentLength = request.validateContentLengthHeaderString();
sha.update(headerContentLength);
headerContentEncoding = request.getContentEncodingHeaderString();
sha.update(headerContentEncoding);
headerContentRange = request.getContentRangeHeaderString();
sha.update(headerContentRange);
headerContentLocation = request.getContentLocationHeaderString();
sha.update(headerContentLocation);
headerETag = request.getETagHeaderString();
sha.update(headerETag);
headerLastModified = request.getLastModifiedHeaderString();
sha.update(headerLastModified);
headerExpires = request.getExpiresHeaderString();
sha.update(headerExpires);
headerContentMD5 = request.validateContentMD5HeaderString(); // (verifyContentMD5)
sha.update(headerContentMD5);
}
sha.update(headerSAuthVersion);
sha.update(headerSAuthUID);
sha.update(headerSAuthNonce);
long signature = Function.Xor.Hash64(rsa.sign(sha));
this.setSAuthSignature(request, signature);
return true;
} else throw new alto.sys.Error.Argument();
}
