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Plugins: Simplify TestExtractFiles test (#95183)

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simplify TestExtractFiles test
This commit is contained in:
Will Browne 2024-10-24 12:01:00 +01:00 committed by GitHub
parent a2868fdb14
commit 9ae3d049a3
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GPG Key ID: B5690EEEBB952194
2 changed files with 28 additions and 39 deletions
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2
pkg/plugins/storage/fs.go
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@ -168,7 +168,7 @@ func isSymlinkRelativeTo(basePath string, symlinkDestPath string, symlinkOrigPat
return false
}
fileDir := filepath.Dir(symlinkOrigPath)
cleanPath := filepath.Clean(filepath.Join(fileDir, "/", symlinkDestPath))
cleanPath := filepath.Clean(filepath.Join(fileDir, symlinkDestPath))
p, err := filepath.Rel(basePath, cleanPath)
if err != nil {
return false

65
pkg/plugins/storage/fs_test.go
View File

@ -15,7 +15,7 @@ import (
)
func TestAdd(t *testing.T) {
testDir := "./testdata/tmpInstallPluginDir"
testDir := filepath.Join("testdata", "tmpInstallPluginDir")
err := os.MkdirAll(testDir, 0o750)
require.NoError(t, err)
@ -27,7 +27,7 @@ func TestAdd(t *testing.T) {
pluginID := "test-app"
fs := FileSystem(log.NewTestPrettyLogger(), testDir)
archive, err := fs.Extract(context.Background(), pluginID, SimpleDirNameGeneratorFunc, zipFile(t, "./testdata/plugin-with-symlinks.zip"))
archive, err := fs.Extract(context.Background(), pluginID, SimpleDirNameGeneratorFunc, zipFile(t, filepath.Join("testdata", "plugin-with-symlinks.zip")))
require.NotNil(t, archive)
require.NoError(t, err)
@ -50,16 +50,23 @@ func TestAdd(t *testing.T) {
}
func TestExtractFiles(t *testing.T) {
pluginsDir := setupFakePluginsDir(t)
testDir := filepath.Join("testdata", "tmpInstallPluginDir")
err := os.MkdirAll(testDir, 0o750)
require.NoError(t, err)
i := &FS{log: log.NewTestPrettyLogger(), pluginsDir: pluginsDir}
t.Cleanup(func() {
err = os.RemoveAll(testDir)
require.NoError(t, err)
})
fs := FileSystem(log.NewTestPrettyLogger(), testDir)
t.Run("Should preserve file permissions for plugin backend binaries for linux and darwin", func(t *testing.T) {
skipWindows(t)
pluginID := "grafana-simple-json-datasource"
path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/grafana-simple-json-datasource-ec18fa4da8096a952608a7e4c7782b4260b41bcf.zip"), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "grafana-simple-json-datasource-ec18fa4da8096a952608a7e4c7782b4260b41bcf.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(testDir, pluginID), path)
require.NoError(t, err)
// File in zip has permissions 755
@ -87,8 +94,8 @@ func TestExtractFiles(t *testing.T) {
skipWindows(t)
pluginID := "plugin-with-symlink"
path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-symlink.zip"), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-symlink.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(testDir, pluginID), path)
require.NoError(t, err)
_, err = os.Stat(filepath.Join(path, "symlink_to_txt"))
@ -103,8 +110,8 @@ func TestExtractFiles(t *testing.T) {
skipWindows(t)
pluginID := "plugin-with-symlink-dir"
path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-symlink-dir.zip"), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-symlink-dir.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(testDir, pluginID), path)
require.NoError(t, err)
_, err = os.Stat(filepath.Join(path, "symlink_to_dir"))
@ -119,11 +126,11 @@ func TestExtractFiles(t *testing.T) {
skipWindows(t)
pluginID := "plugin-with-absolute-symlink"
path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(testDir, pluginID), path)
require.NoError(t, err)
_, err = os.Stat(filepath.Join(path, "/test.txt"))
_, err = os.Stat(filepath.Join(path, "test.txt"))
require.True(t, os.IsNotExist(err))
})
@ -131,29 +138,29 @@ func TestExtractFiles(t *testing.T) {
skipWindows(t)
pluginID := "plugin-with-absolute-symlink-dir"
path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink-dir.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink-dir.zip")), pluginID, SimpleDirNameGeneratorFunc)
require.Equal(t, filepath.Join(testDir, pluginID), path)
require.NoError(t, err)
_, err = os.Stat(filepath.Join(path, "/plugin-with-absolute-symlink-dir/target"))
_, err = os.Stat(filepath.Join(path, "plugin-with-absolute-symlink-dir", "target"))
require.True(t, os.IsNotExist(err))
})
t.Run("Should detect if archive members point outside of the destination directory", func(t *testing.T) {
path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-parent-member.zip")), "plugin-with-parent-member", SimpleDirNameGeneratorFunc)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-parent-member.zip")), "plugin-with-parent-member", SimpleDirNameGeneratorFunc)
require.Empty(t, path)
require.EqualError(t, err, fmt.Sprintf(
`archive member "../member.txt" tries to write outside of plugin directory: %q, this can be a security risk`,
pluginsDir,
testDir,
))
})
t.Run("Should detect if archive members are absolute", func(t *testing.T) {
path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-member.zip")), "plugin-with-absolute-member", SimpleDirNameGeneratorFunc)
path, err := fs.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-member.zip")), "plugin-with-absolute-member", SimpleDirNameGeneratorFunc)
require.Empty(t, path)
require.EqualError(t, err, fmt.Sprintf(
`archive member "/member.txt" tries to write outside of plugin directory: %q, this can be a security risk`,
pluginsDir,
testDir,
))
})
}
@ -260,24 +267,6 @@ func TestIsSymlinkRelativeTo(t *testing.T) {
}
}
func setupFakePluginsDir(t *testing.T) string {
dir := "testdata/fake-plugins-dir"
err := os.RemoveAll(dir)
require.NoError(t, err)
err = os.MkdirAll(dir, 0750)
require.NoError(t, err)
t.Cleanup(func() {
err = os.RemoveAll(dir)
require.NoError(t, err)
})
dir, err = filepath.Abs(dir)
require.NoError(t, err)
return dir
}
func skipWindows(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("Skipping test on Windows")