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First, let me emphasize that I'm not a programmer/developer.

I have seven top level file folders in a Documents and Media portlet. (LR CE 6.2 GA3)
Thousands of files were uploaded with permissions set to owner only.
I need a script to assign full permissions to a particular role for all files and subfolders under a top level folder.
i.e. I created a Role and a User Group called Design; one of the top level folders is Design; members of the Design group have full access, BUT all the files and subfolders under Design have full permissions only for Owner...

I found the following which could be the basis of such a script on Sourceforge - can anyone suggest what changes I'd need to make?:

<code>
Groovy script to update document permission

I need a quick way to update 20+ permissions among 100+ permissions for each document uploaded. So this script does the job.

import java.util.ArrayList
import java.util.Iterator
import java.util.List
import java.util.ListIterator

import com.liferay.portlet.documentlibrary.model.DLFileEntry
import com.liferay.portlet.documentlibrary.model.DLFileEntryModel
import com.liferay.portlet.documentlibrary.model.DLFileEntryType
import com.liferay.portal.service.ResourcePermissionLocalServiceUtil
import com.liferay.portal.service.RoleLocalServiceUtil
import com.liferay.portal.model.ResourceConstants
import com.liferay.portal.model.ResourcePermission
import com.liferay.portal.model.Role
import com.liferay.portal.model.RoleConstants
import com.liferay.portal.security.permission.ActionKeys

// Replace companyId and fileEntryId
long companyId = 10253
String fileEntryId = 432617

// Get Guest and Site Member roles
Role guestRole = RoleLocalServiceUtil.getRole(companyId, RoleConstants.GUEST)
Role siteMemberRole = RoleLocalServiceUtil.getRole(companyId, RoleConstants.SITE_MEMBER)

// Get user created roles
List roles = new ArrayList()

Role bsmRole = RoleLocalServiceUtil.getRole(companyId, "Branch Sales Manager")
Role boaRole = RoleLocalServiceUtil.getRole(companyId, "Branch Office Admin")
Role usmRole = RoleLocalServiceUtil.getRole(companyId, "Unit Sales Manager")
Role uftRole = RoleLocalServiceUtil.getRole(companyId, "Unit Field Trainer")
Role agtRole = RoleLocalServiceUtil.getRole(companyId, "Agent")
Role auRole = RoleLocalServiceUtil.getRole(companyId, "Applied User")
Role rdRole = RoleLocalServiceUtil.getRole(companyId, "Regional Director")
Role usRole = RoleLocalServiceUtil.getRole(companyId, "Unit Supervisor")
Role fvpnrRole = RoleLocalServiceUtil.getRole(companyId, "Field Vice President National Recruiting")
Role hoaRole = RoleLocalServiceUtil.getRole(companyId, "Home Office Admin")
Role houRole = RoleLocalServiceUtil.getRole(companyId, "Home Office User")
Role loaRole = RoleLocalServiceUtil.getRole(companyId, "Leave of Absence User")
Role mtRole = RoleLocalServiceUtil.getRole(companyId, "Manager Trainee")
Role roaRole = RoleLocalServiceUtil.getRole(companyId, "Regional Office Admin")
Role soaRole = RoleLocalServiceUtil.getRole(companyId, "Satellite Office Admin")
Role svpRole = RoleLocalServiceUtil.getRole(companyId, "Senior Vice President")
Role toaRole = RoleLocalServiceUtil.getRole(companyId, "Territory Office Admin")
Role tvpRole = RoleLocalServiceUtil.getRole(companyId, "Territory Vice President")
Role tdmbRole = RoleLocalServiceUtil.getRole(companyId, "Territory Development Manager (Branch)")
Role tdmhRole = RoleLocalServiceUtil.getRole(companyId, "Territory Development Manager (Home Office)")
Role tdmtRole = RoleLocalServiceUtil.getRole(companyId, "Territory Development Manager (Territory)")

roles.add(bsmRole)
roles.add(boaRole)
roles.add(usmRole)
roles.add(uftRole)
roles.add(agtRole)
roles.add(auRole)
roles.add(rdRole)
roles.add(usRole)
roles.add(fvpnrRole)
roles.add(hoaRole)
roles.add(houRole)
roles.add(loaRole)
roles.add(mtRole)
roles.add(roaRole)
roles.add(soaRole)
roles.add(svpRole)
roles.add(toaRole)
roles.add(tvpRole)
roles.add(tdmbRole)
roles.add(tdmhRole)
roles.add(tdmtRole)

Iterator roleIterator = null
Role role = null

String resourceName = DLFileEntry.class.getName()
ResourcePermission permission = null

/*
* Remove all permissions from guest and site member if they have view permission
*/
try {

if (ResourcePermissionLocalServiceUtil.hasResourcePermission(companyId, resourceName, ResourceConstants.SCOPE_INDIVIDUAL, fileEntryId, guestRole.getRoleId(), ActionKeys.VIEW)) {
permission = ResourcePermissionLocalServiceUtil.getResourcePermission(companyId, resourceName, ResourceConstants.SCOPE_INDIVIDUAL, fileEntryId, guestRole.getRoleId());
permission.setActionIds(0);
ResourcePermissionLocalServiceUtil.updateResourcePermission(permission, true);
}

if (ResourcePermissionLocalServiceUtil.hasResourcePermission(companyId, resourceName, ResourceConstants.SCOPE_INDIVIDUAL, fileEntryId, siteMemberRole.getRoleId(), ActionKeys.VIEW)) {
permission = ResourcePermissionLocalServiceUtil.getResourcePermission(companyId, resourceName, ResourceConstants.SCOPE_INDIVIDUAL, fileEntryId, siteMemberRole.getRoleId());
permission.setActionIds(0);
ResourcePermissionLocalServiceUtil.updateResourcePermission(permission, true);
}

/*
* Add view permission to each user created role
*/
roleIterator = roles.iterator();

def keys = new String[1]
keys[0] = ActionKeys.VIEW

while (roleIterator.hasNext()) {
role = roleIterator.next()
if (!ResourcePermissionLocalServiceUtil.hasResourcePermission(companyId, resourceName, ResourceConstants.SCOPE_INDIVIDUAL, fileEntryId, role.getRoleId(), ActionKeys.VIEW)) {
ResourcePermissionLocalServiceUtil.setResourcePermissions(companyId, DLFileEntry.class.getName(), 4, fileEntryId, role.getRoleId(), keys)
}
}

out.println("***** Success *****");
}
catch (e) {
out.println("***** Error = " + e.getMessage());
}
</code>