Move export permission check to LLPermissions, try two.

Removes code duplication.

Several parts of the code ignored the PERM_EXPORT but
and still did demand that things are full perm next
to being a creator. This has now changed the export
rules are the same for everything as they were for mesh:
you need to be the owner and the creator for every element
that is exported (not just the root prim, of course).

indra/llinventory/llpermissions.cpp

@@ -1098,3 +1098,9 @@ LLPermissions ll_permissions_from_sd(const LLSD& sd_perm)
 	rv.fix();
 	return rv;
 }
+
+bool LLPermissions::allowExportBy(LLUUID const& requester, bool supports_export) const
+{
+	return !mIsGroupOwned && requester == mOwner && (requester == mCreator || (supports_export && (mMaskEveryone & PERM_EXPORT)));
+}
+

indra/llinventory/llpermissions.h

@@ -275,6 +275,13 @@ public:
 	inline bool allowCopyBy(const LLUUID& agent_id, const LLUUID& group) const;
 	inline bool allowMoveBy(const LLUUID &agent_id, const LLUUID &group) const;
 
+	// Returns true if export is allowed.
+	// If a grid supports PERM_EXPORT then they should also check if (any) element
+	// has that bit set and allow exporting even when this function returns false,
+	// or pass supports_export as true, which causes to perform that check using
+	// these permissions.
+	bool allowExportBy(LLUUID const& requester, bool supports_export = false) const;
+
 	// This somewhat specialized function is meant for testing if the
 	// current owner is allowed to transfer to the specified agent id.
 	inline bool allowTransferTo(const LLUUID &agent_id) const;

indra/newview/awavefront.cpp

@@ -220,16 +220,13 @@ void WavefrontSaver::Add(const LLViewerObject* some_vo)
 }
 namespace
 {
+	// Identical to the one in daeexport.cpp.
 	bool can_export_node(const LLSelectNode* node)
 	{
-		if (const LLPermissions* perms = node->mPermissions)
-		{
-			if (gAgentID == perms->getCreator() || (LFSimFeatureHandler::instance().simSupportsExport() && gAgentID == perms->getOwner() && perms->getMaskEveryone() & PERM_EXPORT))
-			{
-				return true;
-			}
-		}
-		return false;
+		LLPermissions* perms = node->mPermissions;	// Is perms ever NULL?
+		// This tests the PERM_EXPORT bit too, which is not really necessary (just checking if it's set
+		// on the root prim would suffice), but also isn't hurting.
+		return perms && perms->allowExportBy(gAgentID, LFSimFeatureHandler::instance().simSupportsExport());
 	}
 	class LFSaveSelectedObjects : public view_listener_t
 	{

indra/newview/daeexport.cpp

@@ -117,16 +117,13 @@ namespace DAEExportUtil
 		}
 	}
 
-	bool canExportNode(const LLSelectNode* node)
+	// Identical to the one in awavefront.cpp
+	bool can_export_node(const LLSelectNode* node)
 	{
-		if (const LLPermissions* perms = node->mPermissions)
-		{
-			if (gAgentID == perms->getCreator() || (LFSimFeatureHandler::instance().simSupportsExport() && gAgentID == perms->getOwner() && perms->getMaskEveryone() & PERM_EXPORT))
-			{
-				return true;
-			}
-		}
-		return false;
+		LLPermissions* perms = node->mPermissions;	// Is perms ever NULL?
+		// This tests the PERM_EXPORT bit too, which is not really necessary (just checking if it's set
+		// on the root prim would suffice), but also isn't hurting.
+		return perms && perms->allowExportBy(gAgentID, LFSimFeatureHandler::instance().simSupportsExport());
 	}
 
 	void saveSelectedObject()
@@ -144,7 +141,7 @@ namespace DAEExportUtil
 			{
 				total++;
 				LLSelectNode* node = *iter;
-				if (!canExportNode(node) || !node->getObject()->getVolume()) continue;
+				if (!can_export_node(node) || !node->getObject()->getVolume()) continue;
 				included++;
 				daesaver->Add(node->getObject(), node->mName);
 			}

indra/newview/llpaneleditwearable.cpp

@@ -26,6 +26,7 @@
 
 #include "llviewerprecompiledheaders.h"
 
+#include "lfsimfeaturehandler.h"
 #include "llpaneleditwearable.h"
 #include "llpanel.h"
 #include "llviewerwearable.h"
@@ -1422,11 +1423,8 @@ bool LLPanelEditWearable::updatePermissions()
 	
 			// Exporting (of slider values) is allowed when the wearable is full perm, and owned by and created by the user.
 			// Of course, only modifiable is enough for the user to write down the values and enter them else where... but why make it easy for them to break the ToS.
-			if (is_complete && 
-				gAgent.getID() == item->getPermissions().getOwner() &&
-				gAgent.getID() == item->getPermissions().getCreator() &&
-				(PERM_ITEM_UNRESTRICTED &
-				perm_mask) == PERM_ITEM_UNRESTRICTED)
+			if (is_complete &&
+				(item->getPermissions().allowExportBy(gAgent.getID(), LFSimFeatureHandler::instance().simSupportsExport())))
 			{
 				can_export = true;
 			}

indra/newview/llpanelpermissions.cpp

@@ -1177,7 +1177,7 @@ void LLPanelPermissions::onCommitEveryoneCopy(LLUICtrl *ctrl, void *data)
 
 void LLPanelPermissions::onCommitExport(const LLSD& param)
 {
-	LLSelectMgr::getInstance()->selectionSetObjectPermissions(PERM_EVERYONE, param, PERM_EXPORT);
+	LLSelectMgr::getInstance()->selectionSetObjectPermissions(PERM_EVERYONE, param.asBoolean(), PERM_EXPORT);
 }
 
 // static

indra/newview/llviewermenu.cpp

@@ -54,6 +54,7 @@
 #include "llappearancemgr.h"
 #include "llagentwearables.h"
 #include "jcfloaterareasearch.h"
+#include "lfsimfeaturehandler.h"
 
 #include "llagentpilot.h"
 #include "llcompilequeue.h"
@@ -2884,30 +2885,22 @@ class LLObjectEnableExport : public view_listener_t
 {
 	bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
 	{
-		bool new_value = !!LLSelectMgr::getInstance()->getSelection()->getPrimaryObject();
-		if (new_value)
+		LLPermissions perms;
+		bool new_value = LLSelectMgr::getInstance()->selectGetPermissions(perms) && perms.isOwned();	// At least one object, accumulated permissions of all objects.
+		bool supports_export = LFSimFeatureHandler::instance().simSupportsExport();
+		if (new_value && !(supports_export && (perms.getMaskEveryone() & PERM_EXPORT)))				// No need to call allowExportBy if PERM_EXPORT is set on (all) root objects.
 		{
 			struct ff : public LLSelectedNodeFunctor
 			{
-				ff(const LLSD& data) : LLSelectedNodeFunctor(), userdata(data)
-				{
-				}
-				const LLSD& userdata;
+				bool mSupportsExport;
+				ff(bool supports_export) : mSupportsExport(supports_export) { }
 				virtual bool apply(LLSelectNode* node)
 				{
-					// Note: the actual permission checking algorithm depends on the grid TOS and must be
-					// performed for each prim and texture. This is done later in llviewerobjectbackup.cpp.
-					// This means that even if the item is enabled in the menu, the export may fail should
-					// the permissions not be met for each exported asset. The permissions check below
-					// therefore only corresponds to the minimal permissions requirement common to all grids.
-					LLPermissions *item_permissions = node->mPermissions;
-					return (gAgent.getID() == item_permissions->getOwner() &&
-							(gAgent.getID() == item_permissions->getCreator() ||
-							 (item_permissions->getMaskOwner() & PERM_ITEM_UNRESTRICTED) == PERM_ITEM_UNRESTRICTED));
+					return node->mPermissions->allowExportBy(gAgent.getID(), mSupportsExport);
 				}
 			};
-			ff * the_ff = new ff(userdata);
-			new_value = LLSelectMgr::getInstance()->getSelection()->applyToNodes(the_ff, false);
+			ff the_ff(supports_export);
+			new_value = LLSelectMgr::getInstance()->getSelection()->applyToNodes(&the_ff, false);
 		}
 		gMenuHolder->findControl(userdata["control"].asString())->setValue(new_value);
 		return true;

indra/newview/llviewerobjectbackup.cpp

@@ -79,6 +79,7 @@
 #include "llviewerwindow.h"
 
 #include "hippogridmanager.h"
+#include "lfsimfeaturehandler.h"
 
 #include "llviewerobjectbackup.h" 
 
@@ -398,18 +399,7 @@ void LLObjectBackup::exportObject_continued(AIFilePicker* filepicker)
 
 bool LLObjectBackup::validatePerms(const LLPermissions *item_permissions)
 {
-	if (gHippoGridManager->getConnectedGrid()->isSecondLife())
-	{
-		// In Second Life, you must be the creator to be permitted to export the asset.
-		return (gAgent.getID() == item_permissions->getOwner() &&
-				gAgent.getID() == item_permissions->getCreator());
-	}
-	else
-	{
-		// Out of Second Life, simply check that the asset is full perms.
-		return (gAgent.getID() == item_permissions->getOwner() &&
-				(item_permissions->getMaskOwner() & PERM_ITEM_UNRESTRICTED) == PERM_ITEM_UNRESTRICTED);
-	}
+	return item_permissions->allowExportBy(gAgent.getID(), LFSimFeatureHandler::instance().simSupportsExport());
 }
 
 // So far, only Second Life forces TPVs to verify the creator for textures...