public boolean WriteBytesToEncrStreamH(
XStorage xStorage,
String sStreamPath,
String sMediaType,
boolean bCompressed,
byte[] pBytes,
String sPass,
boolean bCommit) {
// open substream element
XStream xSubStream = null;
try {
XHierarchicalStorageAccess xHStorage =
(XHierarchicalStorageAccess)
UnoRuntime.queryInterface(XHierarchicalStorageAccess.class, xStorage);
if (xHStorage == null) {
Error("The storage does not support hierarchical access!");
return false;
}
Object oSubStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(
sStreamPath, ElementModes.WRITE, sPass);
xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
if (xSubStream == null) {
Error("Can't create substream '" + sStreamPath + "'!");
return false;
}
} catch (Exception e) {
Error("Can't create substream '" + sStreamPath + "', exception : " + e + "!");
return false;
}
if (!WriteBytesToStream(xSubStream, sStreamPath, sMediaType, bCompressed, pBytes)) return false;
XTransactedObject xTransact =
(XTransactedObject) UnoRuntime.queryInterface(XTransactedObject.class, xSubStream);
if (xTransact == null) {
Error("Substream '" + sStreamPath + "', stream opened for writing must be transacted!");
return false;
}
if (bCommit) {
try {
xTransact.commit();
} catch (Exception e) {
Error(
"Can't commit storage after substream '"
+ sStreamPath
+ "' change, exception : "
+ e
+ "!");
return false;
}
}
// free the stream resources, garbage collector may remove the object too late
if (!disposeStream(xSubStream, sStreamPath)) return false;
return true;
}
public boolean cantOpenEncrStreamH(XStorage xStorage, String sPath, int nMode, String aPass) {
// try to open the substream with specified mode must fail
XHierarchicalStorageAccess xHStorage =
(XHierarchicalStorageAccess)
UnoRuntime.queryInterface(XHierarchicalStorageAccess.class, xStorage);
if (xHStorage == null) {
Error("The storage does not support hierarchical access!");
return false;
}
try {
Object oDummyStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(sPath, nMode, aPass);
Error("The trying to open substream '" + sPath + "' must fail!");
} catch (WrongPasswordException wpe) {
Error("The substream '" + sPath + "' must not exist!");
return false;
} catch (Exception e) {
return true;
}
return false;
}
public boolean checkEncrStreamH(
XStorage xParentStorage, String sPath, String sMediaType, byte[] pBytes, String sPass) {
// Important: a common password for any of parent storage should not be set or
// should be different from sPass
XHierarchicalStorageAccess xHStorage =
(XHierarchicalStorageAccess)
UnoRuntime.queryInterface(XHierarchicalStorageAccess.class, xParentStorage);
if (xHStorage == null) {
Error("The storage does not support hierarchical access!");
return false;
}
try {
Object oSubStream = xHStorage.openStreamElementByHierarchicalName(sPath, ElementModes.READ);
XStream xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
Error("Encrypted substream '" + sPath + "' was opened without password!");
return false;
} catch (WrongPasswordException wpe) {
} catch (Exception e) {
Error(
"Unexpected exception in case of opening of encrypted stream '"
+ sPath
+ "' without password: "******"!");
return false;
}
String sWrongPass = "******";
sWrongPass += sPass;
try {
Object oSubStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(
sPath, ElementModes.READ, sWrongPass);
XStream xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
Error("Encrypted substream '" + sPath + "' was opened with wrong password!");
return false;
} catch (WrongPasswordException wpe) {
} catch (Exception e) {
Error(
"Unexpected exception in case of opening of encrypted stream '"
+ sPath
+ "' with wrong password: "******"!");
return false;
}
XStream xSubStream = null;
try {
Object oSubStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(sPath, ElementModes.READ, sPass);
xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
if (xSubStream == null) {
Error("Can't open encrypted substream '" + sPath + "'!");
return false;
}
} catch (Exception e) {
Error("Can't open encrypted substream '" + sPath + "', exception : " + e + "!");
return false;
}
// encrypted streams will be compressed always, so after the storing this property is always
// true,
// although before the storing it can be set to false ( it is not always clear whether a stream
// is encrypted
// before the storing )
boolean bResult = InternalCheckStream(xSubStream, sPath, sMediaType, true, pBytes, false);
// free the stream resources, garbage collector may remove the object too late
if (!disposeStream(xSubStream, sPath)) return false;
return bResult;
}
public int ChangeStreamPassH(
XStorage xStorage, String sPath, String sOldPass, String sNewPass, boolean bCommit) {
// open substream element
XHierarchicalStorageAccess xHStorage =
(XHierarchicalStorageAccess)
UnoRuntime.queryInterface(XHierarchicalStorageAccess.class, xStorage);
if (xHStorage == null) {
Error("The storage does not support hierarchical access!");
return 0;
}
XStream xSubStream = null;
try {
Object oSubStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(
sPath, ElementModes.WRITE, sOldPass);
xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
if (xSubStream == null) {
Error("Can't open encrypted substream '" + sPath + "'!");
return 0;
}
} catch (Exception e) {
Error("Can't open encrypted substream '" + sPath + "', exception : " + e + "!");
return 0;
}
// change the password for the stream
XEncryptionProtectedSource xStreamEncryption =
(XEncryptionProtectedSource)
UnoRuntime.queryInterface(XEncryptionProtectedSource.class, xSubStream);
if (xStreamEncryption == null) {
Message(
"Optional interface XEncryptionProtectedSource is not implemented, feature can not be tested!");
return -1;
}
try {
xStreamEncryption.setEncryptionPassword(sNewPass);
} catch (Exception e) {
Error("Can't change encryption key of the substream '" + sPath + "', exception:" + e);
return 0;
}
XTransactedObject xTransact =
(XTransactedObject) UnoRuntime.queryInterface(XTransactedObject.class, xSubStream);
if (xTransact == null) {
Error("Substream '" + sPath + "', stream opened for writing must be transacted!");
return 0;
}
if (bCommit) {
try {
xTransact.commit();
} catch (Exception e) {
Error(
"Can't commit storage after substream '" + sPath + "' change, exception : " + e + "!");
return 0;
}
}
// free the stream resources, garbage collector may remove the object too late
if (!disposeStream(xSubStream, sPath)) return 0;
return 1;
}