throw new DAVException("This resource is locked and an \"If:\" header was not supplied to allow access to the resource.",
ServletDAVHandler.SC_HTTP_LOCKED, 0);
}
DAVIFHeader ifHeader = (DAVIFHeader) ifHeaders.getFirst();
if (lock == null && ifHeader.isDummyHeader()) {
if ((flags & ServletDAVHandler.DAV_VALIDATE_IS_PARENT) != 0) {
return;
}
throw new DAVException("The locktoken specified in the \"Lock-Token:\" header is invalid because this resource has no outstanding locks.",
HttpServletResponse.SC_BAD_REQUEST, 0);
}
String eTag = resource.getETag();
String uri = DAVPathUtil.dropTraillingSlash(resource.getResourceURI().getRequestURI());
int numThatAppy = 0;
String reason = null;
Iterator ifHeadersIter = ifHeaders.iterator();
for (;ifHeadersIter.hasNext();) {
ifHeader = (DAVIFHeader) ifHeadersIter.next();
if (ifHeader.getURI() != null && !uri.equals(ifHeader.getURI())) {
continue;
}
++numThatAppy;
LinkedList stateList = ifHeader.getStateList();
boolean doContinue = false;
for (Iterator stateListIter = stateList.iterator(); stateListIter.hasNext();) {
DAVIFState state = (DAVIFState) stateListIter.next();
if (state.getType() == DAVIFStateType.IF_ETAG) {
String currentETag = null;
String givenETag = null;
String stateETag = state.getETag();
if (stateETag.startsWith("W/")) {
givenETag = stateETag.substring(2);
} else {
givenETag = stateETag;
}
if (eTag.startsWith("W/")) {
currentETag = eTag.substring(2);
} else {
currentETag = eTag;
}
boolean eTagsDoNotMatch = !givenETag.equals(currentETag);
if (state.getCondition() == DAVIFState.IF_CONDITION_NORMAL && eTagsDoNotMatch) {
reason = "an entity-tag was specified, but the resource's actual ETag does not match.";
doContinue = true;
break;
} else if (state.getCondition() == DAVIFState.IF_CONDITION_NOT && !eTagsDoNotMatch) {
reason = "an entity-tag was specified using the \"Not\" form, but the resource's actual ETag matches the provided entity-tag.";
doContinue = true;
break;
}
} else if (state.getType() == DAVIFStateType.IF_OPAQUE_LOCK) {
if (provider == null) {
if (state.getCondition() == DAVIFState.IF_CONDITION_NOT) {
continue;
}
reason = "a State-token was supplied, but a lock database is not available for to provide the required lock.";
doContinue = true;
break;
}
boolean matched = false;
if (lock != null) {
if (!lock.getLockToken().equals(state.getLockToken())) {
continue;
}
seenLockToken = true;
if (state.getCondition() == DAVIFState.IF_CONDITION_NOT) {
reason = "a State-token was supplied, which used a \"Not\" condition. The State-token was found in the locks on this resource";
doContinue = true;
break;
}
String lockAuthUser = lock.getAuthUser();
String requestUser = resource.getUserName();
if (lockAuthUser != null && (requestUser == null || !lockAuthUser.equals(requestUser))) {
throw new DAVException("User \"{0}\" submitted a locktoken created by user \"{1}\".",
new Object[] { requestUser, lockAuthUser }, HttpServletResponse.SC_FORBIDDEN, 0);
}
matched = true;
}
if (!matched && state.getCondition() == DAVIFState.IF_CONDITION_NORMAL) {
reason = "a State-token was supplied, but it was not found in the locks on this resource.";
doContinue = true;
break;
}
} else if (state.getType() == DAVIFStateType.IF_UNKNOWN) {
if (state.getCondition() == DAVIFState.IF_CONDITION_NORMAL) {
reason = "an unknown state token was supplied";
doContinue = true;
break;
}
}
}
if (doContinue) {
continue;
}
if (seenLockToken) {
return;
}
break;
}
if (!ifHeadersIter.hasNext()) {
if (numThatAppy == 0) {
if (seenLockToken) {
return;
}
if (findSubmittedLockToken(ifHeaders, lock)) {
return;
}
throw new DAVException("This resource is locked and the \"If:\" header did not specify one of the locktokens for this resource's lock(s).",
ServletDAVHandler.SC_HTTP_LOCKED, 0);
}
ifHeader = (DAVIFHeader) ifHeaders.getFirst();
if (ifHeader.isDummyHeader()) {
throw new DAVException("The locktoken specified in the \"Lock-Token:\" header did not specify one of this resource's locktoken(s).",
HttpServletResponse.SC_BAD_REQUEST, 0);
}
if (reason == null) {
throw new DAVException("The preconditions specified by the \"If:\" header did not match this resource.",
HttpServletResponse.SC_PRECONDITION_FAILED, 0);
}
throw new DAVException("The precondition(s) specified by the \"If:\" header did not match this resource. At least one failure is because: {0}",
new Object[] { reason }, HttpServletResponse.SC_PRECONDITION_FAILED, 0);
}
if (findSubmittedLockToken(ifHeaders, lock)) {
return;
}
if (ifHeader.isDummyHeader()) {
throw new DAVException("The locktoken specified in the \"Lock-Token:\" header did not specify one of this resource's locktoken(s).",
HttpServletResponse.SC_BAD_REQUEST, 0);
}
throw new DAVException("This resource is locked and the \"If:\" header did not specify one of the locktokens for this resource's lock(s).",