/**
* Change the default read privileges to the anonymous group.
*
* <p>If getCollectionDefaultRead() returns -1 or the anonymous group then nothing is done.
*
* @param context The current DSpace context.
* @param collectionID The collection id.
* @return A process result's object.
*/
public static FlowResult changeCollectionDefaultReadToAnonymous(Context context, int collectionID)
throws SQLException, AuthorizeException, UIException {
FlowResult result = new FlowResult();
int roleID = getCollectionDefaultRead(context, collectionID);
if (roleID < 1) {
throw new UIException(
"Unable to delete the default read role because the role is either already assigned to the anonymous group or multiple groups are assigned the default privileges.");
}
Collection collection = Collection.find(context, collectionID);
Group role = Group.find(context, roleID);
Group anonymous = Group.find(context, 0);
// Delete the old role, this will remove the default privileges.
role.delete();
// Set anonymous as the default read group.
AuthorizeManager.addPolicy(context, collection, Constants.DEFAULT_ITEM_READ, anonymous);
AuthorizeManager.addPolicy(context, collection, Constants.DEFAULT_BITSTREAM_READ, anonymous);
// Commit the changes
context.commit();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(
new Message(
"default",
"All new items submitted to this collection will default to anonymous read."));
return result;
}
/**
* Delete one of a community's roles
*
* @param context The current DSpace context.
* @param communityID The community id.
* @param roleName ADMIN.
* @param groupID The id of the group associated with this role.
* @return A process result's object.
*/
public static FlowResult processDeleteCommunityRole(
Context context, int communityID, String roleName, int groupID)
throws SQLException, UIException, IOException, AuthorizeException {
FlowResult result = new FlowResult();
Community community = Community.find(context, communityID);
Group role = Group.find(context, groupID);
// First, unregister the role
if (ROLE_ADMIN.equals(roleName)) {
community.removeAdministrators();
}
// Second, remove all authorizations for this role by searching for all policies that this
// group has on the collection and remove them otherwise the delete will fail because
// there are dependencies.
@SuppressWarnings("unchecked") // the cast is correct
List<ResourcePolicy> policies = AuthorizeManager.getPolicies(context, community);
for (ResourcePolicy policy : policies) {
if (policy.getGroupID() == groupID) {
policy.delete();
}
}
// Finally, delete the role's actual group.
community.update();
role.delete();
context.commit();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(new Message("default", "The role was successfully deleted."));
return result;
}
/**
* Delete one of collection's roles
*
* @param context The current DSpace context.
* @param collectionID The collection id.
* @param roleName ADMIN, WF_STEP1, WF_STEP2, WF_STEP3, SUBMIT, DEFAULT_READ.
* @param groupID The id of the group associated with this role.
* @return A process result's object.
*/
public static FlowResult processDeleteCollectionRole(
Context context, int collectionID, String roleName, int groupID)
throws SQLException, UIException, IOException, AuthorizeException,
WorkflowConfigurationException {
FlowResult result = new FlowResult();
Collection collection = Collection.find(context, collectionID);
Group role = Group.find(context, groupID);
// First, Unregister the role
if (ROLE_ADMIN.equals(roleName)) {
collection.removeAdministrators();
} else if (ROLE_SUBMIT.equals(roleName)) {
collection.removeSubmitters();
} else {
WorkflowUtils.deleteRoleGroup(context, collection, roleName);
}
// else if (ROLE_WF_STEP1.equals(roleName))
// {
// collection.setWorkflowGroup(1, null);
// }
// else if (ROLE_WF_STEP2.equals(roleName))
// {
// collection.setWorkflowGroup(2, null);
// }
// else if (ROLE_WF_STEP3.equals(roleName))
// {
// collection.setWorkflowGroup(3, null);
//
// }
// Second, remove all authorizations for this role by searching for all policies that this
// group has on the collection and remove them otherwise the delete will fail because
// there are dependencies.
@SuppressWarnings("unchecked") // the cast is correct
List<ResourcePolicy> policies = AuthorizeManager.getPolicies(context, collection);
for (ResourcePolicy policy : policies) {
if (policy.getGroupID() == groupID) {
policy.delete();
}
}
// Finally, Delete the role's actual group.
collection.update();
role.delete();
context.commit();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(new Message("default", "The role was successfully deleted."));
return result;
}
protected Group checkGroup(Context context, HttpServletRequest request)
throws ServletException, IOException, SQLException, AuthorizeException {
// Find out if there's a group parameter
int groupID = Util.getIntParameter(request, "group_id");
Group group = null;
if (groupID >= 0) {
group = Group.find(context, groupID);
}
return group;
} // end checkGroup
/**
* Get all of the groups that an eperson is a member of
*
* @param c
* @param e
* @return
* @throws SQLException
*/
public static Group[] allMemberGroups(Context c, EPerson e) throws SQLException {
List<Group> groupList = new ArrayList<Group>();
Set<Integer> myGroups = allMemberGroupIDs(c, e);
// now convert those Integers to Groups
Iterator<Integer> i = myGroups.iterator();
while (i.hasNext()) {
groupList.add(Group.find(c, (i.next()).intValue()));
}
return groupList.toArray(new Group[groupList.size()]);
}
/**
* Confirms the removal of a supervision order
*
* @param context the context of the request
* @param request the servlet request
* @param response the servlet response
*/
private void showConfirmRemovePage(
Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException {
// get the values from the request
int wsItemID = UIUtil.getIntParameter(request, "siID");
int groupID = UIUtil.getIntParameter(request, "gID");
// get the workspace item and the group from the request values
WorkspaceItem wsItem = WorkspaceItem.find(context, wsItemID);
Group group = Group.find(context, groupID);
// set the attributes for the JSP
request.setAttribute("wsItem", wsItem);
request.setAttribute("group", group);
JSPManager.showJSP(request, response, "/dspace-admin/supervise-confirm-remove.jsp");
}
/**
* Generic find for when the precise type of a DSO is not known, just the a pair of type number
* and database ID.
*
* @param context - the context
* @param type - type number
* @param id - id within table of type'd objects
* @return the object found, or null if it does not exist.
* @throws SQLException only upon failure accessing the database.
*/
public static DSpaceObject find(Context context, int type, int id) throws SQLException {
switch (type) {
case Constants.BITSTREAM:
return Bitstream.find(context, id);
case Constants.BUNDLE:
return Bundle.find(context, id);
case Constants.ITEM:
return Item.find(context, id);
case Constants.COLLECTION:
return Collection.find(context, id);
case Constants.COMMUNITY:
return Community.find(context, id);
case Constants.GROUP:
return Group.find(context, id);
case Constants.EPERSON:
return EPerson.find(context, id);
case Constants.SITE:
return Site.find(context, id);
}
return null;
}
@RequestMapping(method = RequestMethod.POST)
protected String processPost(
@RequestAttribute Context context,
ModelMap model,
HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException {
Group group = null;
group = checkGroup(context, request);
if (group != null) {
// is this user authorized to edit this group?
AuthorizeManager.authorizeAction(context, group, Constants.ADD);
boolean submit_edit = (request.getParameter("submit_edit") != null);
boolean submit_group_update = (request.getParameter("submit_group_update") != null);
boolean submit_group_delete = (request.getParameter("submit_group_delete") != null);
boolean submit_confirm_delete = (request.getParameter("submit_confirm_delete") != null);
boolean submit_cancel_delete = (request.getParameter("submit_cancel_delete") != null);
// just chosen a group to edit - get group and pass it to
// group-edit.jsp
if (submit_edit && !submit_group_update && !submit_group_delete) {
model.addAttribute("group", group);
model.addAttribute("members", group.getMembers());
model.addAttribute("membergroups", group.getMemberGroups());
String utilsGrpName = Utils.addEntities(group.getName());
model.addAttribute("utilsGrpName", utilsGrpName);
return "pages/admin/group-edit";
} // update the members of the group
else if (submit_group_update) {
// first off, did we change the group name?
String newName = request.getParameter("group_name");
if (!newName.equals(group.getName())) {
group.setName(newName);
group.update();
}
int[] eperson_ids = Util.getIntParameters(request, "eperson_id");
int[] group_ids = Util.getIntParameters(request, "group_ids");
// now get members, and add new ones and remove missing ones
EPerson[] members = group.getMembers();
Group[] membergroups = group.getMemberGroups();
if (eperson_ids != null) {
// some epeople were listed, now make group's epeople match
// given epeople
Set memberSet = new HashSet();
Set epersonIDSet = new HashSet();
// add all members to a set
for (int x = 0; x < members.length; x++) {
Integer epersonID = Integer.valueOf(members[x].getID());
memberSet.add(epersonID);
}
// now all eperson_ids are put in a set
for (int x = 0; x < eperson_ids.length; x++) {
epersonIDSet.add(Integer.valueOf(eperson_ids[x]));
}
// process eperson_ids, adding those to group not already
// members
Iterator i = epersonIDSet.iterator();
while (i.hasNext()) {
Integer currentID = (Integer) i.next();
if (!memberSet.contains(currentID)) {
group.addMember(EPerson.find(context, currentID.intValue()));
}
}
// process members, removing any that aren't in eperson_ids
for (int x = 0; x < members.length; x++) {
EPerson e = members[x];
if (!epersonIDSet.contains(Integer.valueOf(e.getID()))) {
group.removeMember(e);
}
}
} else {
// no members found (ids == null), remove them all!
for (int y = 0; y < members.length; y++) {
group.removeMember(members[y]);
}
}
if (group_ids != null) {
// some groups were listed, now make group's member groups
// match given group IDs
Set memberSet = new HashSet();
Set groupIDSet = new HashSet();
// add all members to a set
for (int x = 0; x < membergroups.length; x++) {
Integer myID = Integer.valueOf(membergroups[x].getID());
memberSet.add(myID);
}
// now all eperson_ids are put in a set
for (int x = 0; x < group_ids.length; x++) {
groupIDSet.add(Integer.valueOf(group_ids[x]));
}
// process group_ids, adding those to group not already
// members
Iterator i = groupIDSet.iterator();
while (i.hasNext()) {
Integer currentID = (Integer) i.next();
if (!memberSet.contains(currentID)) {
group.addMember(Group.find(context, currentID.intValue()));
}
}
// process members, removing any that aren't in eperson_ids
for (int x = 0; x < membergroups.length; x++) {
Group g = membergroups[x];
if (!groupIDSet.contains(Integer.valueOf(g.getID()))) {
group.removeMember(g);
}
}
} else {
// no members found (ids == null), remove them all!
for (int y = 0; y < membergroups.length; y++) {
group.removeMember(membergroups[y]);
}
}
group.update();
model.addAttribute("group", group);
model.addAttribute("members", group.getMembers());
model.addAttribute("membergroups", group.getMemberGroups());
String utilsGrpName = Utils.addEntities(group.getName());
model.addAttribute("utilsGrpName", utilsGrpName);
context.commit();
return "pages/admin/group-edit";
} else if (submit_group_delete) {
// direct to a confirmation step
model.addAttribute("group", group);
return "pages/admin/group-confirm-delete";
} else if (submit_confirm_delete) {
// phony authorize, only admins can do this
AuthorizeManager.authorizeAction(context, group, Constants.WRITE);
// delete group, return to group-list.jsp
group.delete();
return showMainPage(context, model, request, response);
} else if (submit_cancel_delete) {
// show group list
return showMainPage(context, model, request, response);
} else {
// unknown action, show edit page
model.addAttribute("group", group);
model.addAttribute("members", group.getMembers());
model.addAttribute("membergroups", group.getMemberGroups());
String utilsGrpName = Utils.addEntities(group.getName());
model.addAttribute("utilsGrpName", utilsGrpName);
return "pages/admin/group-edit";
}
} else {
// want to add a group - create a blank one, and pass to
// group_edit.jsp
String button = UIUtil.getSubmitButton(request, "submit");
if (button.equals("submit_add")) {
group = Group.create(context);
group.setName("new group" + group.getID());
group.update();
model.addAttribute("group", group);
model.addAttribute("members", group.getMembers());
model.addAttribute("membergroups", group.getMemberGroups());
String utilsGrpName = Utils.addEntities(group.getName());
model.addAttribute("utilsGrpName", utilsGrpName);
context.commit();
return "pages/admin/group-edit";
} else {
// show the main page (select groups)
return showMainPage(context, model, request, response);
}
} // end
} // end processGet
public Group getGroup() throws SQLException {
return Group.find(myContext, myRow.getIntColumn("group_id"));
}
