#1638 Add permissions checks to GLTF Save As and Upload buttons (#1653)

indra/llinventory/llpermissions.h

@@ -270,6 +270,7 @@ public:
     inline bool allowModifyBy(const LLUUID &agent_id) const;
     inline bool allowCopyBy(const LLUUID& agent_id) const;
     inline bool allowMoveBy(const LLUUID& agent_id) const;
+
     inline bool allowModifyBy(const LLUUID &agent_id, const LLUUID& group) const;
     inline bool allowCopyBy(const LLUUID& agent_id, const LLUUID& group) const;
     inline bool allowMoveBy(const LLUUID &agent_id, const LLUUID &group) const;
@@ -278,27 +279,11 @@ public:
     // current owner is allowed to transfer to the specified agent id.
     inline bool allowTransferTo(const LLUUID &agent_id) const;
 
-    //
-    // DEPRECATED.
-    //
-    // These return true if the given agent can perform the function.
-    // They also return true if the object isn't owned, or the
-    // requesting agent is a system agent.  See llpermissionsflags.h
-    // for bits.
-    //bool  allowDeleteBy(const LLUUID& agent_id)   const       { return allowModifyBy(agent_id); }
-    //bool  allowEditBy(const LLUUID& agent_id)     const       { return allowModifyBy(agent_id); }
-    // saves last owner and sets current owner
-    //bool setOwner(const LLUUID& agent, const LLUUID& owner);
-    // This method saves the last owner, sets the current owner to the
-    // one provided, and sets the base mask as indicated.
-    //bool setOwner(const LLUUID& agent, const LLUUID& owner, U32 new_base_mask);
-
-    // Attempt to set or clear the given bitmask.  Returns true if you
-    // are allowed to modify the permissions.  If you attempt to turn
-    // on bits not allowed by the base bits, the function will return
-    // true, but those bits will not be set.
-    //bool setGroupBits( const LLUUID& agent, bool set, PermissionMask bits);
-    //bool setEveryoneBits(const LLUUID& agent, bool set, PermissionMask bits);
+    // Returns true if the object can exported by the given agent
+    // (e.g. saved as a local .gltf file)
+    // The current test should return true if the agent is the owner
+    // AND the creator of the object.
+    inline bool allowExportBy(const LLUUID& agent_id) const;
 
     //
     // MISC METHODS and OPERATORS
@@ -353,6 +338,11 @@ bool LLPermissions::allowMoveBy(const LLUUID& agent) const
     return allowOperationBy(PERM_MOVE, agent, LLUUID::null);
 }
 
+bool LLPermissions::allowExportBy(const LLUUID& agent) const
+{
+    return agent == mOwner && agent == mCreator;
+}
+
 bool LLPermissions::allowTransferTo(const LLUUID &agent_id) const
 {
     if (mIsGroupOwned)

indra/newview/gltf/asset.h

@@ -368,6 +368,10 @@ namespace LL
             // remove the bufferview at the given index
             // updates all bufferview indices in this Asset as needed
             void eraseBufferView(S32 bufferView);
+
+            // return true if this Asset has been loaded as a local preview
+            // Local previews may be uploaded or exported to disk
+            bool isLocalPreview() { return !mFilename.empty(); }
         };
 
         Material::AlphaMode gltf_alpha_mode_to_enum(const std::string& alpha_mode);

indra/newview/llviewermenu.cpp

@@ -143,6 +143,7 @@
 #include "llcleanup.h"
 #include "llviewershadermgr.h"
 #include "gltfscenemanager.h"
+#include "gltf/asset.h"
 
 using namespace LLAvatarAppearanceDefines;
 
@@ -3325,6 +3326,33 @@ bool enable_gltf()
     return enablegltf;
 }
 
+bool enable_gltf_save_as()
+{
+    if (enable_gltf())
+    {
+        LLViewerObject* obj = LLSelectMgr::getInstance()->getSelection()->getFirstRootObject();
+        if (obj)
+        {
+            if (obj->mGLTFAsset && obj->mGLTFAsset->isLocalPreview())
+            {
+                return true;
+            }
+
+            LLPermissions* permissions = LLSelectMgr::getInstance()->findObjectPermissions(obj);
+            if (permissions)
+            {
+                return permissions->allowExportBy(gAgent.getID());
+            }
+        }
+    }
+    return false;
+}
+
+bool enable_gltf_upload()
+{
+    return enable_gltf_save_as();
+}
+
 class LLSelfRemoveAllAttachments : public view_listener_t
 {
     bool handleEvent(const LLSD& userdata)
@@ -10091,6 +10119,8 @@ void initialize_menus()
     enable.add("EnableSelectInPathfindingCharacters", boost::bind(&enable_object_select_in_pathfinding_characters));
     enable.add("Advanced.EnableErrorOSException", boost::bind(&enable_os_exception));
     enable.add("EnableGLTF", boost::bind(&enable_gltf));
+    enable.add("EnableGLTFSaveAs", boost::bind(&enable_gltf_save_as));
+    enable.add("EnableGLTFUpload", boost::bind(&enable_gltf_upload));
 
     view_listener_t::addMenu(new LLFloaterVisible(), "FloaterVisible");
     view_listener_t::addMenu(new LLShowSidetrayPanel(), "ShowSidetrayPanel");

indra/newview/skins/default/xui/en/menu_viewer.xml

@@ -2875,7 +2875,7 @@ function="World.EnvPreset"
          label="Save As..."
          name="Save As...">
           <menu_item_call.on_enable
-             function="EnableGLTF"/>
+             function="EnableGLTFSaveAs"/>
           <menu_item_call.on_click
            function="Advanced.ClickGLTFSaveAs" />
         </menu_item_call>
@@ -2883,7 +2883,7 @@ function="World.EnvPreset"
          label="Upload..."
          name="Upload...">
           <menu_item_call.on_enable
-             function="EnableGLTF"/>
+             function="EnableGLTFUpload"/>
           <menu_item_call.on_click
            function="Advanced.ClickGLTFUpload" />
         </menu_item_call>