public StorageErrorReason checkStorageOnAdd(
Request request, CollectionResource nearestParent, Path parentPath, String host) {
if (nearestParent instanceof QuotaResource) {
QuotaResource qr = (QuotaResource) nearestParent;
Long llAvail = qr.getQuotaAvailable();
if (llAvail == null) {
Logger.debug(this, "no quota data available");
return null;
}
if (llAvail <= 0) {
Logger.debug(this, "no quota available, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
} else {
// new content must be less then that available
Long newContentLength = request.getContentLengthHeader();
if (newContentLength == null) {
Logger.debug(this, "new content length is not available, cant check quota, allow");
return null;
}
if (newContentLength < llAvail) {
return null;
} else {
Logger.debug(this, "new content length is greater then available storage, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
}
}
} else {
return null;
}
}
public void sample(InputStream in) {
Logger.debug(this, "outputting sample");
try {
ByteArrayOutputStream out = FileUtils.readIn(in);
writer.write(out.toString());
} catch (FileNotFoundException ex) {
Logger.error(this, "", ex);
} catch (IOException ex) {
Logger.error(this, "", ex);
} finally {
FileUtils.close(in);
}
}
/**
* Create a FreenetURI from its string form. May or may not have a freenet: prefix.
*
* @throws MalformedURLException If the string could not be parsed.
*/
public FreenetURI(String URI, boolean noTrim) throws MalformedURLException {
// this.uniqueHashCode = super.hashCode();
if (URI == null) throw new MalformedURLException("No URI specified");
if (!noTrim) URI = URI.trim();
if (URI.indexOf('@') < 0 || URI.indexOf('/') < 0)
// Encoded URL?
try {
URI = URLDecoder.decode(URI, false);
} catch (URLEncodedFormatException e) {
throw new MalformedURLException(
"Invalid URI: no @ or /, or @ or / is escaped but there are invalid escapes");
}
URI = URI_PREFIX.matcher(URI).replaceFirst("");
// decode keyType
int atchar = URI.indexOf('@');
if (atchar == -1) throw new MalformedURLException("There is no @ in that URI! (" + URI + ')');
String _keyType = URI.substring(0, atchar).toUpperCase();
URI = URI.substring(atchar + 1);
boolean validKeyType = false;
for (int i = 0; i < VALID_KEY_TYPES.length; i++) {
if (_keyType.equals(VALID_KEY_TYPES[i])) {
validKeyType = true;
_keyType = VALID_KEY_TYPES[i];
break;
}
}
keyType = _keyType;
if (!validKeyType) throw new MalformedURLException("Invalid key type: " + keyType);
boolean isSSK = "SSK".equals(keyType);
boolean isUSK = "USK".equals(keyType);
boolean isKSK = "KSK".equals(keyType);
// decode metaString
ArrayList<String> sv = null;
int slash2;
sv = new ArrayList<String>();
if (isKSK) URI = "/" + URI; // ensure that KSK docNames are decoded
while ((slash2 = URI.lastIndexOf('/')) != -1) {
String s;
try {
s = URLDecoder.decode(URI.substring(slash2 + 1 /* "/".length() */), true);
} catch (URLEncodedFormatException e) {
throw (MalformedURLException) new MalformedURLException(e.toString()).initCause(e);
}
if (s != null) sv.add(s);
URI = URI.substring(0, slash2);
}
// sv is *backwards*
// this makes for more efficient handling
if (isSSK || isUSK || isKSK) {
if (sv.isEmpty()) throw new MalformedURLException("No docname for " + keyType);
docName = sv.remove(sv.size() - 1);
if (isUSK) {
if (sv.isEmpty()) throw new MalformedURLException("No suggested edition number for USK");
try {
suggestedEdition = Long.parseLong(sv.remove(sv.size() - 1));
} catch (NumberFormatException e) {
throw (MalformedURLException)
new MalformedURLException("Invalid suggested edition: " + e).initCause(e);
}
} else suggestedEdition = -1;
} else {
// docName not necessary, nor is it supported, for CHKs.
docName = null;
suggestedEdition = -1;
}
if (!sv.isEmpty()) {
metaStr = new String[sv.size()];
for (int i = 0; i < metaStr.length; i++) {
metaStr[i] = sv.get(metaStr.length - 1 - i).intern();
if (metaStr[i] == null) throw new NullPointerException();
}
} else metaStr = null;
if (isKSK) {
routingKey = extra = cryptoKey = null;
return;
}
// strip 'file extensions' from CHKs
// added by aum ([email protected])
if ("CHK".equals(keyType)) URI = URI.split("[.]")[0];
// URI now contains: routingKey[,cryptoKey][,metaInfo]
StringTokenizer st = new StringTokenizer(URI, ",");
try {
if (st.hasMoreTokens()) routingKey = Base64.decode(st.nextToken());
else {
routingKey = cryptoKey = extra = null;
return;
}
if (!st.hasMoreTokens()) {
cryptoKey = extra = null;
return;
}
// Can be cryptokey or name-value pair.
String t = st.nextToken();
cryptoKey = Base64.decode(t);
if (!st.hasMoreTokens()) {
extra = null;
return;
}
extra = Base64.decode(st.nextToken());
} catch (IllegalBase64Exception e) {
throw new MalformedURLException("Invalid Base64 quantity: " + e);
}
Logger.debug(
this, "Created from parse: " + toString() + " from " + URI, new Exception("debug"));
}
public StorageErrorReason checkStorageOnReplace(
Request request, CollectionResource parent, Resource replaced, String host) {
if (parent instanceof QuotaResource) {
QuotaResource qr = (QuotaResource) parent;
Long llAvail = qr.getQuotaAvailable();
if (llAvail == null) {
Logger.debug(this, "no quota data available");
return null;
}
if (llAvail <= 0) {
// new content length must be less then existing
Long newContentLength = request.getContentLengthHeader();
if (newContentLength == null) {
Logger.debug(this, "new content length is not available, cant check quota, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
}
if (replaced instanceof GetableResource) {
GetableResource gr = (GetableResource) replaced;
Long existingLength = gr.getContentLength();
if (existingLength == null) {
Logger.debug(
this, "existing content length cant be determined, cant check quota, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
} else {
long diff = existingLength - newContentLength;
if (diff > 0) {
return null;
} else {
Logger.debug(
this,
"new content is larger then existing content, but no quota is available, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
}
}
} else {
Logger.debug(
this, "existing content length cant be determined, cant check quota, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
}
} else {
// difference of new content to existing must be less then available, but if in doubt allow
Long newContentLength = request.getContentLengthHeader();
if (newContentLength == null) {
Logger.debug(this, "new content length is not available, cant check quota, allow");
return null;
}
if (replaced instanceof GetableResource) {
GetableResource gr = (GetableResource) replaced;
Long existingLength = gr.getContentLength();
if (existingLength == null) {
Logger.debug(
this, "existing content length cant be determined, cant check quota, allow");
return null;
} else {
long diff = newContentLength - existingLength; // this is the amount extra needed
if (diff <= llAvail) {
return null;
} else {
Logger.debug(
this,
"new content is larger then existing content, but no quota is available, reject");
return StorageErrorReason.SER_QUOTA_EXCEEDED;
}
}
} else {
Logger.debug(this, "existing content length cant be determined, cant check quota, allow");
return null;
}
}
// if difference between new content and existing is less then available, then ok
} else {
return null;
}
}
