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POSharepoint: How to programmatically manage SPFolder and SPListItem permissions
 

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    <p>I want to know if I'm missing something. Here's how I would do it: For SPFolder I would change the associtaed item's permissions (SPFolder.Item). So I suppose managing SPFolder permissions boils down to managing SPListItem permissions. For SPListItem I would frist break role inheritance with <code>SPListItem.BreakRoleInheritance()</code> and then work with <code>RoleAssignments</code> collections adding and removing roles there.</p> <p>I wonder if RoleAssignments is the only way to manage SPListItem's permissions (besides inheritance) and is there a way to manage individual permissions without roles. There is also EffectiveBasePermissions property but I'm not sure.</p> <p>So the question is is there other ways (besides inheritance) to manage SPListItem permissions apart from the RoleAssignments collection?</p> <p><strong>@Edit:</strong> there's also AllRolesForCurrentUser, but I guess you can get the same info from the RoleAssignments property, so this one is just for convenience.</p> <p><strong>@Edit:</strong> As Flo notes in his answer there is a problem with setting</p> <pre><code>folder.ParentWeb.AllowUnsafeUpdates = true; </code></pre> <p>And using <code>BreakRoleInheritance</code> with argument of 'false' (i.e. without copying permissions of the parent object).</p> <pre><code>folder.Item.BreakRoleInheritance(false); </code></pre> <p><code>BreakRoleInheritance</code> simply won't work on GET request as you'd expect after allowing unsafe updates. Presumably the method resets <code>AllowUnsafeUpdates</code> back to 'false'.</p> <p>One workaround I know for this is to manually delete the inherited permissions after you BreakRoleInheritance(true), like this:</p> <pre><code>folder.Item.BreakRoleInheritance(false); while(folder.Item.RoleAssignments.Count &gt; 0) { folder.Item.RoleAssignments.Remove(0); } </code></pre> <p>Thanks!</p>
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