private Url decryptUrl(final Request request, final Url encryptedUrl) {
if (encryptedUrl.getSegments().isEmpty()) {
return encryptedUrl;
}
List<String> encryptedSegments = encryptedUrl.getSegments();
if (encryptedSegments.size() < 1) {
return null;
}
Url url = new Url(request.getCharset());
try {
String encryptedUrlString = encryptedSegments.get(0);
if (Strings.isEmpty(encryptedUrlString)) {
return null;
}
String decryptedUrl = getCrypt().decryptUrlSafe(encryptedUrlString);
if (decryptedUrl == null) {
return null;
}
Url originalUrl = Url.parse(decryptedUrl, request.getCharset());
int originalNumberOfSegments = originalUrl.getSegments().size();
int encryptedNumberOfSegments = encryptedUrl.getSegments().size();
HashedSegmentGenerator generator = new HashedSegmentGenerator(encryptedUrlString);
int segNo = 1;
for (; segNo < encryptedNumberOfSegments; segNo++) {
if (segNo > originalNumberOfSegments) {
break;
}
String next = generator.next();
String encryptedSegment = encryptedSegments.get(segNo);
if (!next.equals(encryptedSegment)) {
break;
}
// unmodified segment
url.getSegments().add(originalUrl.getSegments().get(segNo - 1));
}
for (; segNo < encryptedNumberOfSegments; segNo++) {
// modified or additional segment
url.getSegments().add(encryptedUrl.getSegments().get(segNo));
}
url.getQueryParameters().addAll(originalUrl.getQueryParameters());
} catch (Exception e) {
log.error("Error decrypting URL", e);
url = null;
}
return url;
}
private Url decryptUrl(final Request request, final Url encryptedUrl) {
if (encryptedUrl.getSegments().isEmpty()) {
return encryptedUrl;
}
final List<String> encryptedSegments = (List<String>) encryptedUrl.getSegments();
if (encryptedSegments.size() < 1) {
return null;
}
Url url = new Url(request.getCharset());
try {
final String encryptedUrlString = (String) encryptedSegments.get(0);
if (Strings.isEmpty((CharSequence) encryptedUrlString)) {
return null;
}
final String decryptedUrl = this.getCrypt().decryptUrlSafe(encryptedUrlString);
if (decryptedUrl == null) {
return null;
}
final Url originalUrl = Url.parse(decryptedUrl, request.getCharset());
final int originalNumberOfSegments = originalUrl.getSegments().size();
final int encryptedNumberOfSegments = encryptedUrl.getSegments().size();
final HashedSegmentGenerator generator = new HashedSegmentGenerator(encryptedUrlString);
int segNo;
for (segNo = 1; segNo < encryptedNumberOfSegments; ++segNo) {
if (segNo > originalNumberOfSegments) {
break;
}
final String next = generator.next();
final String encryptedSegment = (String) encryptedSegments.get(segNo);
if (!next.equals(encryptedSegment)) {
break;
}
url.getSegments().add(originalUrl.getSegments().get(segNo - 1));
}
while (segNo < encryptedNumberOfSegments) {
url.getSegments().add(encryptedUrl.getSegments().get(segNo));
++segNo;
}
url.getQueryParameters().addAll(originalUrl.getQueryParameters());
} catch (Exception e) {
CryptoMapper.log.error("Error decrypting URL", e);
url = null;
}
return url;
}
protected void encodePageComponentInfo(Url url, PageComponentInfo info) {
Args.notNull(url, "url");
if (info != null && Session.exists() && !Session.get().isSessionInvalidated()) {
String s = info.toString();
if (!Strings.isEmpty(s)) {
QueryParameter parameter = new QueryParameter(s, "");
url.getQueryParameters().add(parameter);
}
}
}
private Url encryptUrl(final Url url) {
if (url.getSegments().isEmpty() && url.getQueryParameters().isEmpty()) {
return url;
}
final String encryptedUrlString = this.getCrypt().encryptUrlSafe(url.toString());
final Url encryptedUrl = new Url(url.getCharset());
encryptedUrl.getSegments().add(encryptedUrlString);
final int numberOfSegments = url.getSegments().size();
final HashedSegmentGenerator generator = new HashedSegmentGenerator(encryptedUrlString);
for (int segNo = 0; segNo < numberOfSegments; ++segNo) {
encryptedUrl.getSegments().add(generator.next());
}
return encryptedUrl;
}
/**
* @see
* org.apache.wicket.request.mapper.parameter.IPageParametersEncoder#encodePageParameters(org.apache.wicket.request.mapper.parameter.PageParameters)
*/
public Url encodePageParameters(final PageParameters pageParameters) {
Url url = new Url();
for (int i = 0; i < pageParameters.getIndexedCount(); ++i) {
url.getSegments().add(pageParameters.get(i).toString());
}
for (PageParameters.NamedPair pair : pageParameters.getAllNamed()) {
QueryParameter param = new QueryParameter(pair.getKey(), pair.getValue());
url.getQueryParameters().add(param);
}
return url;
}
/**
* Extracts the {@link PageComponentInfo} from the URL. The {@link PageComponentInfo} is encoded
* as the very first query parameter and the parameter consists of name only (no value).
*
* @param url
* @return PageComponentInfo instance if one was encoded in URL, <code>null</code> otherwise.
*/
protected PageComponentInfo getPageComponentInfo(final Url url) {
if (url == null) {
throw new IllegalStateException("Argument 'url' may not be null.");
} else {
for (QueryParameter queryParameter : url.getQueryParameters()) {
if (Strings.isEmpty(queryParameter.getValue())) {
PageComponentInfo pageComponentInfo = PageComponentInfo.parse(queryParameter.getName());
if (pageComponentInfo != null) {
return pageComponentInfo;
}
}
}
}
return null;
}
private BrixPageParameters createBrixPageParams(Url url, Path path) {
BrixPageParameters parameters = new BrixPageParameters();
Path nodePath = path;
Path requestPath = new Path("/" + url.getPath());
if (nodePath.isAncestorOf(requestPath)) {
Path remaining = new Path(requestPath.toString(), false).toRelative(nodePath);
int i = 0;
for (String s : remaining) {
parameters.set(i, BrixNodePageUrlMapper.urlDecode(s));
++i;
}
}
for (QueryParameter parameter : url.getQueryParameters()) {
String parameterName = parameter.getName();
if (PageComponentInfo.parse(parameterName) == null) {
parameters.add(parameterName, parameter.getValue());
}
}
return parameters;
}
