@Override
public String getUrl(
String path, Map<String, ?> parameters, Parameters frameworkParameters, boolean escapeAmps)
throws FrameworkException {
Url link = urlConverter.getUrl(path, parameters, frameworkParameters, escapeAmps);
log.debug("got " + link + " from " + urlConverter);
if (link == Url.NOT) {
return fallbackConverter.getUrl(path, parameters, frameworkParameters, escapeAmps).getUrl();
} else {
return link.getUrl();
}
}
@Override
public String getProcessUrl(
String path, Map<String, ?> parameters, Parameters frameworkParameters, boolean escapeAmps)
throws FrameworkException {
HttpServletRequest request =
BasicUrlConverter.getUserRequest(frameworkParameters.get(Parameter.REQUEST));
State state = State.getState(request);
frameworkParameters.set(ACTION, state.getId());
Url url = urlConverter.getProcessUrl(path, parameters, frameworkParameters, escapeAmps);
if (url == Url.NOT) {
log.debug("Fall back url");
return fallbackConverter
.getProcessUrl(path, parameters, frameworkParameters, escapeAmps)
.getUrl();
} else {
log.debug("Url converter url " + url);
return url.getUrl();
}
}
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;
}
/**
* Create a pattern for text parsing
*
* @param pattern pattern definition
* @return pattern pattern
*/
private ProcPattern createPattern(Pattern pattern) {
if (pattern.getElements() == null || pattern.getElements().isEmpty()) {
throw new IllegalStateException("Pattern elements list can't be empty.");
}
List<ProcPatternElement> elements = new ArrayList<ProcPatternElement>();
for (PatternElement element : pattern.getElements()) {
if (element instanceof Variable) {
Variable variable = (Variable) element;
if (variable.getAction() != Action.check) {
elements.add(
new ProcVariable(
variable.getName(),
variable.getRegex(),
variable.isGhost(),
variable.getAction()));
} else {
elements.add(new Check(variable.getName(), variable.isGhost()));
}
} else if (element instanceof Text) {
elements.add(create((Text) element));
} else if (element instanceof Constant) {
elements.add(createPatternConstant((Constant) element));
} else if (element instanceof Junk) {
elements.add(JUNK);
} else if (element instanceof Eol) {
elements.add(new ProcEol(((Eol) element).isGhost()));
} else if (element instanceof Bol) {
elements.add(PROC_BOL);
} else if (element instanceof BlankLine) {
elements.add(new ProcBlankLine(((BlankLine) element).isGhost()));
} else if (element instanceof Url) {
Url url = (Url) element;
elements.add(new ProcUrl(url.getName(), url.isGhost(), url.isLocal(), url.isSchemaless()));
}
}
return new ProcPattern(elements);
}
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;
}
