function globals.UpdateExtensionTables()

in ransomware/artifact.lua [2001:2034]
32 lines of code
12 McCabe index (conditional complexity)

function globals.UpdateExtensionTables(eventData, processData)
    if globals.FILE_CREATE_NEW == eventData.operation then
        if not utils.TableHasKey(processData.createExtensions, eventData.fileExtension) then
            processData.createExtensions[eventData.fileExtension] = {}
        end
        table.insert(processData.createExtensions[eventData.fileExtension], eventData)
    elseif globals.FILE_MODIFY == eventData.operation then
        if not utils.TableHasKey(processData.modifyExtensions, eventData.fileExtension) then
            processData.modifyExtensions[eventData.fileExtension] = {}
        end
        table.insert(processData.modifyExtensions[eventData.fileExtension], eventData)
    elseif globals.FILE_DELETE == eventData.operation then
        if not utils.TableHasKey(processData.deleteExtensions, eventData.fileExtension) then
            processData.deleteExtensions[eventData.fileExtension] = {}
        end
        table.insert(processData.deleteExtensions[eventData.fileExtension], eventData)
    elseif globals.FILE_RENAME == eventData.operation then
        if not utils.TableHasKey(processData.renameExtensions, eventData.fileExtension) then
            processData.renameExtensions[eventData.fileExtension] = {}
        end
        table.insert(processData.renameExtensions[eventData.fileExtension], eventData)

        if not utils.TableHasKey(processData.renamePreviousExtensions, eventData.filePreviousExtension) then
            processData.renamePreviousExtensions[eventData.filePreviousExtension] = {}
        end
        table.insert(processData.renamePreviousExtensions[eventData.filePreviousExtension], eventData)

    elseif globals.FILE_OVERWRITE == eventData.operation then
        if not utils.TableHasKey(processData.overwriteExtensions, eventData.fileExtension) then
            processData.overwriteExtensions[eventData.fileExtension] = {}
        end
        table.insert(processData.overwriteExtensions[eventData.fileExtension], eventData)
    end
end