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// Copyright The Notary Project Authors.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package plugin
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/notaryproject/notation-go/internal/file"
"github.com/notaryproject/notation-plugin-framework-go/plugin"
)
func binName(name string) string {
return plugin.BinaryPrefix + name + ".exe"
}
// isExecutableFile checks if a file at filePath is executable
func isExecutableFile(filePath string) (bool, error) {
fi, err := os.Stat(filePath)
if err != nil {
return false, err
}
if !fi.Mode().IsRegular() {
return false, ErrNotRegularFile
}
return strings.EqualFold(filepath.Ext(filepath.Base(filePath)), ".exe"), nil
}
// parsePluginName checks if fileName is a valid plugin file name
// and gets plugin name from it based on spec: https://github.com/notaryproject/specifications/blob/main/specs/plugin-extensibility.md#installation
func parsePluginName(fileName string) (string, error) {
if !strings.EqualFold(filepath.Ext(fileName), ".exe") {
return "", fmt.Errorf("invalid plugin executable file name. Plugin file name requires format notation-{plugin-name}.exe, but got %s", fileName)
}
fname := file.TrimFileExtension(fileName)
pluginName, found := strings.CutPrefix(fname, plugin.BinaryPrefix)
if !found || pluginName == "" {
return "", fmt.Errorf("invalid plugin executable file name. Plugin file name requires format notation-{plugin-name}.exe, but got %s", fileName)
}
return pluginName, nil
}
// setExecutable returns error on Windows. User needs to install the correct
// plugin file.
func setExecutable(filePath string) error {
return fmt.Errorf(`plugin executable file must have file extension ".exe", but got %q`, filepath.Base(filePath))
}
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