- if (this.groups.add(newGroup)) {
- // save the new group in our properties and notify any listeners of the change
- groupChanged(newGroup);
- }
-
- }
-
-
-
-
- /**
- * Helper to create a new Group ID.
- * Use the Name field to create the Id.
- * The Name is expected to not be null; if it is then this method throws an exception.
- * The name is supposed to be unique within the current set of groups,
- * so creating the ID based on the name will create a unique string.
- *
- * @param name
- * @return
- */
- private String createNewPDPGroupId(String name) {
- String id = name;
- // replace "bad" characters with sequences that will be ok for file names and properties keys.
- id = id.replace(" ", "_sp_");
- id = id.replace("\t", "_tab_");
- id = id.replace("\\", "_bksl_");
- id = id.replace("/", "_sl_");
- id = id.replace(":", "_col_");
- id = id.replace("*", "_ast_");
- id = id.replace("?", "_q_");
- id = id.replace("\"", "_quo_");
- id = id.replace("<", "_lt_");
- id = id.replace(">", "_gt_");
- id = id.replace("|", "_bar_");
- id = id.replace("=", "_eq_");
- id = id.replace(",", "_com_");
- id = id.replace(";", "_scom_");
-
- return id;
- }
-
-
- @Override
- public OnapPDP getPDP(String pdpId) throws PAPException {
- for (OnapPDPGroup group : this.groups) {
- for (OnapPDP pdp : group.getOnapPdps()) {
- if (pdp.getId().equals(pdpId)) {
- return pdp;
- }
- }
- }
- return null;
- }
-
-
- @Override
- public void movePDP(OnapPDP pdp, OnapPDPGroup newGroup) throws PAPException {
- if (newGroup == null) {
- throw new NullPointerException("You must specify which group the PDP will belong to.");
- }
- PDPGroup currentGroup = this.getPDPGroup(pdp);
- if (currentGroup == null) {
- throw new PAPException("PDP must already belong to a group.");
- }
- if (currentGroup.equals(newGroup)) {
- logger.warn("Already in that group.");
- return;
- }
- if (currentGroup instanceof StdPDPGroup && newGroup instanceof StdPDPGroup) {
- if (((StdPDPGroup) currentGroup).removePDP(pdp)) {
- boolean result = ((StdPDPGroup) newGroup).addPDP(pdp);
- if (result) {
- //
- // Save the configuration
- //
- this.doSave();
- } else {
- PolicyLogger.error("Failed to add to new group, putting back into original group.");
- if (((StdPDPGroup) currentGroup).removePDP(pdp) == false) {
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "Failed to put PDP back into original group.");
- }
- }
- }
- } else {
- String message = "Unknown PDP group class: " + newGroup.getClass().getCanonicalName() + " and " + currentGroup.getClass().getCanonicalName();
- logger.warn(message);
- throw new PAPException(message);
- }
- }
-
-
- @Override
- public void updatePDP(OnapPDP pdp) throws PAPException {
- PDP currentPDP = this.getPDP(pdp.getId());
- if (currentPDP == null) {
- String message = "Unknown PDP id '" + pdp.getId() + "'";
- logger.warn(message);
- throw new PAPException(message);
- }
-
- // the only things that the user can change are name and description
- currentPDP.setDescription(pdp.getDescription());
- currentPDP.setName(pdp.getName());
- if (currentPDP instanceof OnapPDP && pdp instanceof OnapPDP) {
- ((OnapPDP)currentPDP).setJmxPort(((OnapPDP)pdp).getJmxPort());
- }
- this.doSave();
- }
-
- @Override
- public void removePDP(OnapPDP pdp) throws PAPException {
- PDPGroup group = this.getPDPGroup(pdp);
- if (group == null) {
- throw new NullPointerException();
- }
- if (group instanceof StdPDPGroup) {
- boolean result = ((StdPDPGroup) group).removePDP(pdp);
- if (result) {
- this.doSave();
- }
- return;
- }
- String message = "Unknown PDP group class: " + group.getClass().getCanonicalName();
- logger.warn(message);
- throw new PAPException(message);
- }
-
-
- @Override
- /**
- * Should never be called - Detailed status is held on the PDP, not the PAP
- */
- public PDPStatus getStatus(OnapPDP pdp) throws PAPException {
- return getPDP(pdp.getId()).getStatus();
- }
-
- @Override
- public void publishPolicy(String id, String name, boolean isRoot, InputStream policy, OnapPDPGroup group) throws PAPException {
- if (group == null) {
- throw new NullPointerException();
- }
- if (group instanceof StdPDPGroup && this.groups.contains(group)) {
- ((StdPDPGroup) group).publishPolicy(id, name, isRoot, policy);
- return;
- }
- logger.warn("unknown PDP Group: " + group);
- throw new PAPException("Unknown PDP Group: " + group.getId());
- }
-
- // Currently not used on the PAP side. This is done by ((StdPDPGroup) group).copyPolicyToFile
- @Override
- public void copyPolicy(PDPPolicy policy, OnapPDPGroup group)
- throws PAPException {
- }
-
-
- @Override
- public void removePolicy(PDPPolicy policy, OnapPDPGroup group) throws PAPException {
- if (group == null) {
- throw new NullPointerException();
- }
- if (group instanceof StdPDPGroup && this.groups.contains(group)) {
- ((StdPDPGroup) group).removePolicy(policy);
- return;
- }
- logger.warn("unknown PDP Group: " + group);
- throw new PAPException("Unknown PDP Group: " + group.getId());
- }
-
-
- //
- // HELPER methods
- //
-
- private Set<StdPDPGroup> readProperties(Path repository, Properties properties) throws PAPException {
- Set<StdPDPGroup> groups = new HashSet<>();
- //
- // See if there is a groups property
- //
- String groupList = properties.getProperty(PROP_PAP_GROUPS, "");
- if (groupList == null) {
- logger.warn("null group list " + PROP_PAP_GROUPS);
- groupList = "";
- }
- if (logger.isDebugEnabled()) {
- logger.debug("group list: " + groupList);
- }
- //
- // Iterate the groups, converting to a set ensures we have unique groups.
- //
- for (String id : Splitter.on(',').trimResults().omitEmptyStrings().split(groupList)) {
- //
- // Add our Group Object
- //
- StdPDPGroup g = new StdPDPGroup(id.trim(),
- id.equals(properties.getProperty(PROP_PAP_GROUPS_DEFAULT, PROP_PAP_GROUPS_DEFAULT_NAME)),
- properties,
- Paths.get(repository.toString(), id));
-
- //
- // Add it in
- //
- groups.add(g);
- }
- //
- // Dump what we got
- //
- if (logger.isDebugEnabled()) {
- logger.debug("PDP Group List: " + groups.toString());
- }
- return groups;
- }
-
- private void saveConfiguration() throws PAPException, IOException {
- //
- // Create our properties object
- //
- Properties properties = new Properties() {
- private static final long serialVersionUID = 1L;
- // For Debugging it is helpful for the file to be in a sorted order,
- // any by returning the keys in the natural Alpha order for strings we get close enough.
- // TreeSet is sorted, and this just overrides the normal Properties method to get the keys.
- @Override
- public synchronized Enumeration<Object> keys() {
- return Collections.enumeration(new TreeSet<Object>(super.keySet()));
- }
- };
- //
- // Iterate our groups
- //
- List<String> ids = new ArrayList<>();
- for (PDPGroup group : this.groups) {
- ids.add(group.getId());
- properties.setProperty(group.getId() + ".name", (group.getName() == null ? "" : group.getName()));
- properties.setProperty(group.getId() + ".description", (group.getDescription() == null ? "" : group.getDescription()));
- //
- // Iterate its PDPs
- //
- List<String> pdps = new ArrayList<>();
- for (PDP pdp : group.getPdps()) {
- pdps.add(pdp.getId());
- properties.setProperty(pdp.getId() + ".name", (pdp.getName() == null ? "" : pdp.getName()));
- properties.setProperty(pdp.getId() + ".description", (pdp.getDescription() == null ? "" : pdp.getDescription()));
- if (pdp instanceof OnapPDP) {
- properties.setProperty(pdp.getId() + ".jmxport", (((OnapPDP)pdp).getJmxPort()==0 ? "" : ((OnapPDP)pdp).getJmxPort()).toString());
- }
- }
- String pdpList = "";
- if (pdps.size() == 1) {
- pdpList = pdps.get(0);
- } else if (pdps.size() > 1) {
- pdpList = Joiner.on(',').skipNulls().join(pdps);
- }
- if (logger.isDebugEnabled()) {
- logger.debug("Group " + group.getId() + " PDPS: " + pdpList);
- }
- properties.setProperty(group.getId() + ".pdps", pdpList);
- }
- if (ids.isEmpty()) {
- throw new PAPException("Inconsistency - we have NO groups. We should have at least one.");
- }
- String groupList = "";
- if (ids.size() == 1) {
- groupList = ids.get(0);
- } else if (ids.size() > 1){
- groupList = Joiner.on(',').skipNulls().join(ids);
- }
- logger.info("New Group List: " + groupList);
-
- properties.setProperty(PROP_PAP_GROUPS, groupList);
- //
- // Get the default group
- //
- PDPGroup defaultGroup = this.getDefaultGroup();
- if (defaultGroup == null) {
- throw new PAPException("Invalid state - no default group.");
- }
- properties.setProperty(PROP_PAP_GROUPS_DEFAULT, defaultGroup.getId());
- //
- // Now we can save the file
- //
- Path file = Paths.get(this.repository.toString(), "xacml.properties");
- try (OutputStream os = Files.newOutputStream(file)) {
- properties.store(os, "");
- }
- }
-
- public static void removeGroupProperties(String id, Properties properties) {
- for (Object key : properties.keySet()) {
- if (key.toString().startsWith(id + ".")) {
- properties.remove(key);
- }
- }
- }
-
- public static void setGroupProperties(PDPGroup group, Properties properties) {
- //
- // make sure its in the list of groups
- //
- Iterable<String> groups = Splitter.on(',').trimResults().omitEmptyStrings().split( properties.getProperty(PROP_PAP_GROUPS, ""));
- boolean inList = false;
- for (String g : groups) {
- if (g.equals(group.getId())) {
- inList = true;
- }
- }
- if (inList == false) {
- Set<String> grps = Sets.newHashSet(groups);
- grps.add(group.getId());
- String newGroupList = "";;
- if (grps.size() == 1) {
- newGroupList = grps.iterator().next();
- } else if (grps.size() > 1) {
- newGroupList = Joiner.on(',').skipNulls().join(grps);
- }
- logger.info("New Group List: " + newGroupList);
- properties.setProperty(PROP_PAP_GROUPS, newGroupList);
- }
- //
- // Set its properties
- //
- properties.setProperty(group.getId() + ".name", group.getName());
- properties.setProperty(group.getId() + ".description", group.getDescription());
- //
- // Set its PDP list
- //
- if (group.getPdps().size() > 0) {
- String pdpList = "";
- if (group.getPdps().size() == 1) {
- pdpList = group.getPdps().iterator().next().getId();
- } else if (group.getPdps().size() > 1) {
- Set<String> ids = new HashSet<>();
- for (PDP pdp : group.getPdps()) {
- ids.add(pdp.getId());
- }
- pdpList = Joiner.on(',').skipNulls().join(ids);
- }
- properties.setProperty(group.getId() + ".pdps", pdpList);
- } else {
- properties.setProperty(group.getId() + ".pdps", "");
- }
- }
-
-
- public void changed() {
- if (logger.isDebugEnabled()) {
- logger.debug("changed");
- }
- this.doSave();
- this.fireChanged();
- }
-
- public void groupChanged(OnapPDPGroup group) {
- if (logger.isDebugEnabled()) {
- logger.debug("groupChanged: " + group);
- }
- this.doSave();
- this.firePDPGroupChanged(group);
- }
-
-
- public void pdpChanged(OnapPDP pdp) {
- if (logger.isDebugEnabled()) {
- logger.debug("pdpChanged: " + pdp);
- }
- this.doSave();
- this.firePDPChanged(pdp);
- }
-
- private void doSave() {
- try {
- //
- // Save the configuration
- //
- this.saveConfiguration();
- } catch (IOException e) {
- PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "StdEngine", "Failed to save configuration");
- } catch (PAPException e) {
- PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "StdEngine", "Failed to save configuration");
- }
- }
-
- private Properties setPIPProperties(Properties props){
- props.setProperty(XACMLProperties.PROP_PIP_ENGINES, "AAF");
- props.setProperty("AAF.name", "AAFEngine");
- props.setProperty("AAF.description", "AAFEngine to communicate with AAF to take decisions");
- props.setProperty("AAF.classname","org.onap.policy.xacml.std.pip.engines.aaf.AAFEngine");
- // read from PIP properties file.
- Path file = Paths.get(pipPropertyFile);
- if (!Files.notExists(file)) {
- InputStream in;
- Properties prop = new Properties();
- try {
- in = new FileInputStream(file.toFile());
- prop.load(in);
- } catch (IOException e) {
- PolicyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "can not load the pip properties from file" +e);
- }
- props = prop;
- }
- return props;
- }
-
-
- @Override
- public Set<OnapPDPGroup> getOnapPDPGroups() throws PAPException {
- final Set<OnapPDPGroup> grps = new HashSet<>();
- for (OnapPDPGroup g : this.groups) {
- grps.add(g);
- }
- return Collections.unmodifiableSet(grps);
- }
-
- @Override
- public OnapPDPGroup getPDPGroup(OnapPDP pdp) throws PAPException {
- for (OnapPDPGroup group : this.groups) {
- if (group.getPdps().contains(pdp)) {
- return group;
- }
- }
- return null;
- }
-
- @Override
- public void setDefaultGroup(OnapPDPGroup group) throws PAPException {
- boolean changesMade = false;
- for (OnapPDPGroup aGroup : groups) {
- if (aGroup.getId().equals(group.getId())) {
- if ( ! aGroup.isDefaultGroup()) {
- if (aGroup instanceof StdPDPGroup) {
- ((StdPDPGroup) aGroup).setDefault(true);
- changesMade = true;
- } else {
- throw new IllegalArgumentException("Group in groups of unknown type '" + aGroup.getClass().getName() + "'");
- }
- }
- } else {
- // not the new default group
- if (aGroup.isDefaultGroup()) {
- if (aGroup instanceof StdPDPGroup) {
- ((StdPDPGroup) aGroup).setDefault(false);
- changesMade = true;
- } else {
- throw new IllegalArgumentException("Group in groups of unknown type '" + aGroup.getClass().getName() + "'");
- }
- }
- }
- }
- if (changesMade) {
- this.doSave();
- }
-
- return;
-
- }
-
- @Override
- public void newPDP(String id, OnapPDPGroup group, String name, String description, int jmxport)
- throws PAPException, NullPointerException {
- if (group == null) {
- throw new PAPException("You must specify which group the PDP will belong to.");
- }
- if (this.groups.contains(group) == false) {
- throw new PAPException("Unknown group, not in our list.");
- }
- for (OnapPDP p : group.getOnapPdps()) {
- if (p.getId().equals(id)) {
- throw new PAPException("A PDP with this ID exists.");
- }
- }
- if (group instanceof StdPDPGroup) {
- StdPDP pdp = new StdPDP(id, name, description, jmxport);
- if (((StdPDPGroup) group).addPDP(pdp)) {
- //
- // Save the properties and notify any listeners
- //
- pdpChanged(pdp);
- return;
- }
- }
- return;
-
- }
-
- @Override
- public void updateGroup(OnapPDPGroup group) throws PAPException {
- if (group == null || group.getId() == null) {
- throw new PAPException("Group or id is null");
- }
- if (group.getName() == null || group.getName().trim().length() == 0) {
- throw new PAPException("New name for group cannot be null or blank");
- }
- StdPDPGroup existingGroup = (StdPDPGroup)getGroup(group.getId());
- if (existingGroup == null) {
- throw new PAPException("Update found no existing group with id '" + group.getId() + "'");
- }
-
-
- // We do dramatically different things when the Name changes
- // because the Name is essentially the identity of the group (as the User knows it) so when the Identity changes we have to change the group ID.
- if (group.getName().equals(existingGroup.getName())) {
-
- // update the disk
- try {
- ((StdPDPGroup)group).saveGroupConfiguration();
- } catch (IOException e) {
- throw new PAPException("Unable to save new configuration for '" + group.getName() + "': " + e.getMessage(), e);
- }
- // update the group in the set by simply replacing the old instance with the new one
- this.groups.remove(existingGroup);
- this.groups.add((StdPDPGroup)group);
-
- } else {
- // the name/identity of the group has changed
- // generate the new id
- String newId = createNewPDPGroupId(group.getName());
-
- // make sure no other group uses the new id
- for (OnapPDPGroup g : groups) {
- if (g.getId().equals(newId)) {
- throw new PAPException("Replacement name maps to ID '" + newId + "' which is already in use");
- }
- }
- ((StdPDPGroup)group).setId(newId);
-
- // rename the existing directory to the new id
- Path oldPath = existingGroup.getDirectory();
- Path newPath = Paths.get(oldPath.getParent().toString(), newId);
- ((StdPDPGroup)group).setDirectory(newPath);
-
- try {
- boolean success = oldPath.toFile().renameTo(newPath.toFile());
- if ( ! success) {
- throw new PAPException("Unable to rename directory; reason unknown");
- }
- } catch (Exception e) {
- PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "StdEngine", "Unable to rename directory");
- throw new PAPException("Unable to move directory from '" + oldPath + "' to '" + newPath + "': " + e.getMessage(),e);
- }
- // update the disk
- try {
- ((StdPDPGroup)group).saveGroupConfiguration();
- } catch (IOException e) {
- throw new PAPException("Unable to save new configuration for '" + group.getName() + "': " + e.getMessage(), e);
- }
-
- // save the new group into the Set
- groups.remove(existingGroup);
- groups.add((StdPDPGroup)group);
-
- }
-
- // perhaps only the group changed, but if the name/id changed it may look to a listener like more than one group
- changed();
-
-
- }
-
- @Override
- public void removeGroup(OnapPDPGroup group, OnapPDPGroup newGroup) throws PAPException, NullPointerException {
- if (group == null) {
- throw new NullPointerException();
- }
- //
- // Does this group exist?
- //
- if (this.groups.contains(group) == false) {
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "This group doesn't exist.");
- throw new PAPException("The group '" + group.getId() + "' does not exist");
- }
- //
- // Is it the default group?
- //
- if (group.isDefaultGroup()) {
- throw new PAPException("You cannot delete the default group.");
- }
- Set<OnapPDP> pdps = group.getOnapPdps();
- //
- // Are there PDPs? If so, then we need a target group
- //
- if (pdps.isEmpty() == false && newGroup == null) {
- throw new NullPointerException("Group targeted for deletion has PDPs, you must provide a new group for them.");
- }
- //
- // Move the PDPs
- //
- if (pdps.isEmpty() == false) {
- if (! (newGroup instanceof StdPDPGroup)) {
- throw new PAPException("Unexpected class for newGroup: " + newGroup.getClass().getCanonicalName());
- }
- // The movePDP function will modify the set of PDPs in the group.
- // To avoid concurrent modification exceptions we need to duplicate the list before calling that function.
- List<OnapPDP> pdpList = new ArrayList<>();
- for (OnapPDP pdp : pdps) {
- pdpList.add(pdp);
- }
- // now we can use the PDPs from the list without having ConcurrentAccessExceptions
- for (OnapPDP pdp : pdpList) {
- this.movePDP(pdp, newGroup);
- }
- }
- //
- // remove the directory for the group
- //
- String id = group.getId();
- Path groupPath = Paths.get(this.repository.toString(), id);
- //
- // If it exists already
- //
- if ( ! Files.exists(groupPath)) {
- logger.warn("removeGroup " + id + " directory does not exist" + groupPath.toString());
- } else {
- try {
- Files.walkFileTree(groupPath, new SimpleFileVisitor<Path>() {
-
- @Override
- public FileVisitResult visitFile(Path file,
- BasicFileAttributes attrs) throws IOException {
- Files.delete(file);
- return super.visitFile(file, attrs);
- }
-
- });
- //
- // delete the directory
- //
- Files.delete(groupPath);
- } catch (IOException e) {
- PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, e, "StdEngine", "Failed to delete " + groupPath);
- throw new PAPException("Failed to delete " + id);
- }
- }
-
- // remove the group from the set of all groups
- groups.remove(group);
-
- //
- // Save changes
- //
- changed();
- this.doSave();
- return;
-
- }
+ if (this.groups.add(newGroup)) {
+ // save the new group in our properties and notify any listeners of the change
+ groupChanged(newGroup);
+ }
+
+ }
+
+ /**
+ * Helper to create a new Group ID. Use the Name field to create the Id. The Name is expected to not be null; if it
+ * is then this method throws an exception. The name is supposed to be unique within the current set of groups, so
+ * creating the ID based on the name will create a unique string.
+ *
+ * @param name String
+ * @return String
+ */
+ private String createNewPdpGroupId(String name) {
+ String id = name;
+ // replace "bad" characters with sequences that will be ok for file names and properties keys.
+ id = id.replace(" ", "_sp_");
+ id = id.replace("\t", "_tab_");
+ id = id.replace("\\", "_bksl_");
+ id = id.replace("/", "_sl_");
+ id = id.replace(":", "_col_");
+ id = id.replace("*", "_ast_");
+ id = id.replace("?", "_q_");
+ id = id.replace("\"", "_quo_");
+ id = id.replace("<", "_lt_");
+ id = id.replace(">", "_gt_");
+ id = id.replace("|", "_bar_");
+ id = id.replace("=", "_eq_");
+ id = id.replace(",", "_com_");
+ id = id.replace(";", "_scom_");
+
+ return id;
+ }
+
+ @Override
+ public OnapPDP getPDP(String pdpId) throws PAPException {
+ for (OnapPDPGroup group : this.groups) {
+ for (OnapPDP pdp : group.getOnapPdps()) {
+ if (pdp.getId().equals(pdpId)) {
+ return pdp;
+ }
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public void movePDP(OnapPDP pdp, OnapPDPGroup newGroup) throws PAPException {
+ if (newGroup == null) {
+ throw new NullPointerException("You must specify which group the PDP will belong to.");
+ }
+ PDPGroup currentGroup = this.getPDPGroup(pdp);
+ if (currentGroup == null) {
+ throw new PAPException("PDP must already belong to a group.");
+ }
+ if (currentGroup.equals(newGroup)) {
+ logger.warn("Already in that group.");
+ return;
+ }
+ if (currentGroup instanceof StdPDPGroup && newGroup instanceof StdPDPGroup) {
+ if (((StdPDPGroup) currentGroup).removePDP(pdp)) {
+ boolean result = ((StdPDPGroup) newGroup).addPDP(pdp);
+ if (result) {
+ //
+ // Save the configuration
+ //
+ this.doSave();
+ } else {
+ PolicyLogger.error("Failed to add to new group, putting back into original group.");
+ if (!((StdPDPGroup) currentGroup).removePDP(pdp)) {
+ PolicyLogger
+ .error(MessageCodes.ERROR_DATA_ISSUE + "Failed to put PDP back into original group.");
+ }
+ }
+ }
+ } else {
+ String message = "Unknown PDP group class: " + newGroup.getClass().getCanonicalName() + " and "
+ + currentGroup.getClass().getCanonicalName();
+ logger.warn(message);
+ throw new PAPException(message);
+ }
+ }
+
+ @Override
+ public void updatePDP(OnapPDP pdp) throws PAPException {
+ PDP currentPdp = this.getPDP(pdp.getId());
+ if (currentPdp == null) {
+ String message = "Unknown PDP id '" + pdp.getId() + "'";
+ logger.warn(message);
+ throw new PAPException(message);
+ }
+
+ // the only things that the user can change are name and description
+ currentPdp.setDescription(pdp.getDescription());
+ currentPdp.setName(pdp.getName());
+ if (currentPdp instanceof OnapPDP) {
+ ((OnapPDP) currentPdp).setJmxPort(pdp.getJmxPort());
+ }
+ this.doSave();
+ }
+
+ @Override
+ public void removePDP(OnapPDP pdp) throws PAPException {
+ PDPGroup group = this.getPDPGroup(pdp);
+ if (group == null) {
+ throw new NullPointerException();
+ }
+ if (group instanceof StdPDPGroup) {
+ boolean result = ((StdPDPGroup) group).removePDP(pdp);
+ if (result) {
+ this.doSave();
+ }
+ return;
+ }
+ String message = "Unknown PDP group class: " + group.getClass().getCanonicalName();
+ logger.warn(message);
+ throw new PAPException(message);
+ }
+
+ @Override
+ /**
+ * Should never be called - Detailed status is held on the PDP, not the PAP
+ */
+ public PDPStatus getStatus(OnapPDP pdp) throws PAPException {
+ return getPDP(pdp.getId()).getStatus();
+ }
+
+ @Override
+ public void publishPolicy(String id, String name, boolean isRoot, InputStream policy, OnapPDPGroup group)
+ throws PAPException {
+ if (group == null) {
+ throw new NullPointerException();
+ }
+ if (group instanceof StdPDPGroup && this.groups.contains(group)) {
+ ((StdPDPGroup) group).publishPolicy(id, name, isRoot, policy);
+ return;
+ }
+ logger.warn("unknown PDP Group: " + group);
+ throw new PAPException("Unknown PDP Group: " + group.getId());
+ }
+
+ @Override
+ public void copyPolicy(PDPPolicy policy, OnapPDPGroup group) throws PAPException {
+ //
+ // Currently not used on the PAP side. This is done by ((StdPDPGroup) group).copyPolicyToFile
+ //
+ }
+
+ @Override
+ public void removePolicy(PDPPolicy policy, OnapPDPGroup group) throws PAPException {
+ if (group == null) {
+ throw new NullPointerException();
+ }
+ if (group instanceof StdPDPGroup && this.groups.contains(group)) {
+ ((StdPDPGroup) group).removePolicy(policy);
+ return;
+ }
+ logger.warn("unknown PDP Group: " + group);
+ throw new PAPException("Unknown PDP Group: " + group.getId());
+ }
+
+ //
+ // HELPER methods
+ //
+
+ private Set<StdPDPGroup> readProperties(Path repository, Properties properties) throws PAPException {
+ Set<StdPDPGroup> pdpGroups = new HashSet<>();
+ //
+ // See if there is a groups property
+ //
+ String groupList = properties.getProperty(PROP_PAP_GROUPS, "");
+ if (groupList == null) {
+ logger.warn("null group list " + PROP_PAP_GROUPS);
+ groupList = "";
+ }
+ if (logger.isDebugEnabled()) {
+ logger.debug("group list: " + groupList);
+ }
+ //
+ // Iterate the groups, converting to a set ensures we have unique groups.
+ //
+ for (String id : Splitter.on(',').trimResults().omitEmptyStrings().split(groupList)) {
+ //
+ // Add our Group Object
+ //
+ StdPDPGroup newGroup = new StdPDPGroup(id.trim(),
+ id.equals(properties.getProperty(PROP_PAP_GROUPS_DEFAULT, PROP_PAP_GROUPS_DEFAULT_NAME)),
+ properties, Paths.get(repository.toString(), id));
+
+ //
+ // Add it in
+ //
+ pdpGroups.add(newGroup);
+ }
+ //
+ // Dump what we got
+ //
+ if (logger.isDebugEnabled()) {
+ logger.debug("PDP Group List: " + pdpGroups.toString());
+ }
+ return pdpGroups;
+ }
+
+ private void saveConfiguration() throws PAPException, IOException {
+ //
+ // Create our properties object
+ //
+ Properties properties = new Properties() {
+ private static final long serialVersionUID = 1L;
+
+ // For Debugging it is helpful for the file to be in a sorted order,
+ // any by returning the keys in the natural Alpha order for strings we get close enough.
+ // TreeSet is sorted, and this just overrides the normal Properties method to get the keys.
+ @Override
+ public synchronized Enumeration<Object> keys() {
+ return Collections.enumeration(new TreeSet<Object>(super.keySet()));
+ }
+ };
+ //
+ // Iterate our groups
+ //
+ List<String> ids = new ArrayList<>();
+ for (PDPGroup group : this.groups) {
+ ids.add(group.getId());
+ properties.setProperty(group.getId() + ".name", group.getName() == null ? "" : group.getName());
+ properties.setProperty(group.getId() + ".description",
+ group.getDescription() == null ? "" : group.getDescription());
+ //
+ // Iterate its PDPs
+ //
+ List<String> pdps = new ArrayList<>();
+ for (PDP pdp : group.getPdps()) {
+ pdps.add(pdp.getId());
+ properties.setProperty(pdp.getId() + ".name", pdp.getName() == null ? "" : pdp.getName());
+ properties.setProperty(pdp.getId() + ".description",
+ pdp.getDescription() == null ? "" : pdp.getDescription());
+ if (pdp instanceof OnapPDP) {
+ properties.setProperty(pdp.getId() + ".jmxport",
+ (((OnapPDP) pdp).getJmxPort() == 0 ? "" : ((OnapPDP) pdp).getJmxPort()).toString());
+ }
+ }
+ String pdpList = "";
+ if (pdps.size() == 1) {
+ pdpList = pdps.get(0);
+ } else if (pdps.size() > 1) {
+ pdpList = Joiner.on(',').skipNulls().join(pdps);
+ }
+ if (logger.isDebugEnabled()) {
+ logger.debug("Group " + group.getId() + " PDPS: " + pdpList);
+ }
+ properties.setProperty(group.getId() + ".pdps", pdpList);
+ }
+ if (ids.isEmpty()) {
+ throw new PAPException("Inconsistency - we have NO groups. We should have at least one.");
+ }
+ String groupList = "";
+ if (ids.size() == 1) {
+ groupList = ids.get(0);
+ } else if (ids.size() > 1) {
+ groupList = Joiner.on(',').skipNulls().join(ids);
+ }
+ logger.info("New Group List: " + groupList);
+
+ properties.setProperty(PROP_PAP_GROUPS, groupList);
+ //
+ // Get the default group
+ //
+ PDPGroup defaultGroup = this.getDefaultGroup();
+ if (defaultGroup == null) {
+ throw new PAPException("Invalid state - no default group.");
+ }
+ properties.setProperty(PROP_PAP_GROUPS_DEFAULT, defaultGroup.getId());
+ //
+ // Now we can save the file
+ //
+ Path file = Paths.get(this.repository.toString(), "xacml.properties");
+ try (OutputStream os = Files.newOutputStream(file)) {
+ properties.store(os, "");
+ }
+ }
+
+ /**
+ * removeGroupProperties.
+ *
+ * @param id String
+ * @param properties Properties
+ */
+ public static void removeGroupProperties(String id, Properties properties) {
+ for (Object key : properties.keySet()) {
+ if (key.toString().startsWith(id + ".")) {
+ properties.remove(key);
+ }
+ }
+ }
+
+ /**
+ * setGroupProperties.
+ *
+ * @param group PDPGroup
+ * @param properties Properties
+ */
+ public static void setGroupProperties(PDPGroup group, Properties properties) {
+ //
+ // make sure its in the list of groups
+ //
+ Iterable<String> groups =
+ Splitter.on(',').trimResults().omitEmptyStrings().split(properties.getProperty(PROP_PAP_GROUPS, ""));
+ boolean inList = false;
+ for (String g : groups) {
+ if (g.equals(group.getId())) {
+ inList = true;
+ }
+ }
+ if (!inList) {
+ Set<String> grps = Sets.newHashSet(groups);
+ grps.add(group.getId());
+ String newGroupList;
+ if (grps.size() == 1) {
+ newGroupList = grps.iterator().next();
+ } else if (grps.size() > 1) {
+ newGroupList = Joiner.on(',').skipNulls().join(grps);
+ } else {
+ newGroupList = "";
+ }
+ logger.info("New Group List: " + newGroupList);
+ properties.setProperty(PROP_PAP_GROUPS, newGroupList);
+ }
+ //
+ // Set its properties
+ //
+ properties.setProperty(group.getId() + ".name", group.getName());
+ properties.setProperty(group.getId() + ".description", group.getDescription());
+ //
+ // Set its PDP list
+ //
+ if (!group.getPdps().isEmpty()) {
+ String pdpList = "";
+ if (group.getPdps().size() == 1) {
+ pdpList = group.getPdps().iterator().next().getId();
+ } else if (group.getPdps().size() > 1) {
+ Set<String> ids = new HashSet<>();
+ for (PDP pdp : group.getPdps()) {
+ ids.add(pdp.getId());
+ }
+ pdpList = Joiner.on(',').skipNulls().join(ids);
+ }
+ properties.setProperty(group.getId() + ".pdps", pdpList);
+ } else {
+ properties.setProperty(group.getId() + ".pdps", "");
+ }
+ }
+
+ /**
+ * changed.
+ */
+ public void changed() {
+ if (logger.isDebugEnabled()) {
+ logger.debug("changed");
+ }
+ this.doSave();
+ this.fireChanged();
+ }
+
+ /**
+ * groupChanged.
+ *
+ * @param group OnapPDPGroup
+ */
+ public void groupChanged(OnapPDPGroup group) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("groupChanged: " + group);
+ }
+ this.doSave();
+ this.firePDPGroupChanged(group);
+ }
+
+ /**
+ * pdpChanged.
+ *
+ * @param pdp OnapPDP
+ */
+ public void pdpChanged(OnapPDP pdp) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("pdpChanged: " + pdp);
+ }
+ this.doSave();
+ this.firePDPChanged(pdp);
+ }
+
+ private void doSave() {
+ try {
+ //
+ // Save the configuration
+ //
+ this.saveConfiguration();
+ } catch (IOException | PAPException e) {
+ PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "StdEngine", "Failed to save configuration");
+ }
+ }
+
+ private Properties setPipProperties(Properties props) {
+ props.setProperty(XACMLProperties.PROP_PIP_ENGINES, "AAF");
+ props.setProperty("AAF.name", "AAFEngine");
+ props.setProperty("AAF.description", "AAFEngine to communicate with AAF to take decisions");
+ props.setProperty("AAF.classname", "org.onap.policy.xacml.std.pip.engines.aaf.AAFEngine");
+ // read from PIP properties file.
+ Path file = Paths.get(pipPropertyFile);
+ if (!Files.notExists(file)) {
+ InputStream in;
+ Properties prop = new Properties();
+ try {
+ in = new FileInputStream(file.toFile());
+ prop.load(in);
+ } catch (IOException e) {
+ PolicyLogger.error(
+ XACMLErrorConstants.ERROR_SYSTEM_ERROR + "can not load the pip properties from file" + e);
+ }
+ props = prop;
+ }
+ return props;
+ }
+
+ @Override
+ public Set<OnapPDPGroup> getOnapPDPGroups() throws PAPException {
+ final Set<OnapPDPGroup> grps = new HashSet<>();
+ for (OnapPDPGroup g : this.groups) {
+ grps.add(g);
+ }
+ return Collections.unmodifiableSet(grps);
+ }
+
+ @Override
+ public OnapPDPGroup getPDPGroup(OnapPDP pdp) throws PAPException {
+ for (OnapPDPGroup group : this.groups) {
+ if (group.getPdps().contains(pdp)) {
+ return group;
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public void setDefaultGroup(OnapPDPGroup group) throws PAPException {
+ boolean changesMade = false;
+ for (OnapPDPGroup theGroup : groups) {
+ if (theGroup.getId().equals(group.getId())) {
+ if (!theGroup.isDefaultGroup()) {
+ if (theGroup instanceof StdPDPGroup) {
+ ((StdPDPGroup) theGroup).setDefault(true);
+ changesMade = true;
+ } else {
+ throw new IllegalArgumentException(
+ "Group in groups of unknown type '" + theGroup.getClass().getName() + "'");
+ }
+ }
+ } else {
+ // not the new default group
+ if (theGroup.isDefaultGroup()) {
+ if (theGroup instanceof StdPDPGroup) {
+ ((StdPDPGroup) theGroup).setDefault(false);
+ changesMade = true;
+ } else {
+ throw new IllegalArgumentException(
+ "Group in groups of unknown type '" + theGroup.getClass().getName() + "'");
+ }
+ }
+ }
+ }
+ if (changesMade) {
+ this.doSave();
+ }
+ }
+
+ @Override
+ public void newPDP(String id, OnapPDPGroup group, String name, String description, int jmxport)
+ throws PAPException {
+ if (group == null) {
+ throw new PAPException("You must specify which group the PDP will belong to.");
+ }
+ if (!this.groups.contains(group)) {
+ throw new PAPException("Unknown group, not in our list.");
+ }
+ for (OnapPDP p : group.getOnapPdps()) {
+ if (p.getId().equals(id)) {
+ throw new PAPException("A PDP with this ID exists.");
+ }
+ }
+ if (group instanceof StdPDPGroup) {
+ StdPDP pdp = new StdPDP(id, name, description, jmxport);
+ if (((StdPDPGroup) group).addPDP(pdp)) {
+ //
+ // Save the properties and notify any listeners
+ //
+ pdpChanged(pdp);
+ }
+ }
+ }
+
+ @Override
+ public void updateGroup(OnapPDPGroup group, String userName) throws PAPException {
+ // To pass the userId for PDP Audit log maintenance.
+
+ }
+
+ @Override
+ public void updateGroup(OnapPDPGroup group) throws PAPException {
+ if (group == null || group.getId() == null) {
+ throw new PAPException("Group or id is null");
+ }
+ if (group.getName() == null || group.getName().trim().length() == 0) {
+ throw new PAPException("New name for group cannot be null or blank");
+ }
+ StdPDPGroup existingGroup = (StdPDPGroup) getGroup(group.getId());
+ if (existingGroup == null) {
+ throw new PAPException("Update found no existing group with id '" + group.getId() + "'");
+ }
+
+ // We do dramatically different things when the Name changes
+ // because the Name is essentially the identity of the group (as the User knows it) so when the Identity changes
+ // we have to change the group ID.
+ if (group.getName().equals(existingGroup.getName())) {
+
+ // update the disk
+ try {
+ ((StdPDPGroup) group).saveGroupConfiguration();
+ } catch (IOException e) {
+ throw new PAPException(
+ "Unable to save new configuration for '" + group.getName() + "': " + e.getMessage(), e);
+ }
+ // update the group in the set by simply replacing the old instance with the new one
+ this.groups.remove(existingGroup);
+ this.groups.add((StdPDPGroup) group);
+
+ } else {
+ // the name/identity of the group has changed
+ // generate the new id
+ String newId = createNewPdpGroupId(group.getName());
+
+ // make sure no other group uses the new id
+ for (OnapPDPGroup g : groups) {
+ if (g.getId().equals(newId)) {
+ throw new PAPException("Replacement name maps to ID '" + newId + "' which is already in use");
+ }
+ }
+ ((StdPDPGroup) group).setId(newId);
+
+ // rename the existing directory to the new id
+ Path oldPath = existingGroup.getDirectory();
+ Path newPath = Paths.get(oldPath.getParent().toString(), newId);
+ ((StdPDPGroup) group).setDirectory(newPath);
+
+ try {
+ boolean success = oldPath.toFile().renameTo(newPath.toFile());
+ if (!success) {
+ throw new PAPException("Unable to rename directory; reason unknown");
+ }
+ } catch (Exception e) {
+ PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "StdEngine", "Unable to rename directory");
+ throw new PAPException(
+ "Unable to move directory from '" + oldPath + "' to '" + newPath + "': " + e.getMessage(), e);
+ }
+ // update the disk
+ try {
+ ((StdPDPGroup) group).saveGroupConfiguration();
+ } catch (IOException e) {
+ throw new PAPException(
+ "Unable to save new configuration for '" + group.getName() + "': " + e.getMessage(), e);
+ }
+
+ // save the new group into the Set
+ groups.remove(existingGroup);
+ groups.add((StdPDPGroup) group);
+
+ }
+
+ // perhaps only the group changed, but if the name/id changed it may look to a listener like more than one group
+ changed();
+
+ }
+
+ @Override
+ public void removeGroup(OnapPDPGroup group, OnapPDPGroup newGroup) throws PAPException {
+ if (group == null) {
+ throw new NullPointerException();
+ }
+ //
+ // Does this group exist?
+ //
+ if (!this.groups.contains(group)) {
+ PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "This group doesn't exist.");
+ throw new PAPException("The group '" + group.getId() + "' does not exist");
+ }
+ //
+ // Is it the default group?
+ //
+ if (group.isDefaultGroup()) {
+ throw new PAPException("You cannot delete the default group.");
+ }
+ Set<OnapPDP> pdps = group.getOnapPdps();
+ //
+ // Are there PDPs? If so, then we need a target group
+ //
+ if (!pdps.isEmpty() && newGroup == null) {
+ throw new NullPointerException(
+ "Group targeted for deletion has PDPs, you must provide a new group for them.");
+ }
+ //
+ // Move the PDPs
+ //
+ if (!pdps.isEmpty()) {
+ if (!(newGroup instanceof StdPDPGroup)) {
+ throw new PAPException("Unexpected class for newGroup: " + newGroup.getClass().getCanonicalName());
+ }
+ // The movePDP function will modify the set of PDPs in the group.
+ // To avoid concurrent modification exceptions we need to duplicate the list before calling that function.
+ List<OnapPDP> pdpList = new ArrayList<>();
+ for (OnapPDP pdp : pdps) {
+ pdpList.add(pdp);
+ }
+ // now we can use the PDPs from the list without having ConcurrentAccessExceptions
+ for (OnapPDP pdp : pdpList) {
+ this.movePDP(pdp, newGroup);
+ }
+ }
+ //
+ // remove the directory for the group
+ //
+ String id = group.getId();
+ Path groupPath = Paths.get(this.repository.toString(), id);
+ //
+ // If it exists already
+ //
+ if (!Files.exists(groupPath)) {
+ logger.warn("removeGroup " + id + " directory does not exist" + groupPath.toString());
+ } else {
+ try {
+ Files.walkFileTree(groupPath, new SimpleFileVisitor<Path>() {
+
+ @Override
+ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+ Files.delete(file);
+ return super.visitFile(file, attrs);
+ }
+
+ });
+ //
+ // delete the directory
+ //
+ Files.delete(groupPath);
+ } catch (IOException e) {
+ PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE, e, "StdEngine", "Failed to delete " + groupPath);
+ throw new PAPException("Failed to delete " + id);
+ }
+ }
+
+ // remove the group from the set of all groups
+ groups.remove(group);
+
+ //
+ // Save changes
+ //
+ changed();
+ this.doSave();
+ }