First Commmit

experimental/libbox/log.go

@@ -0,0 +1,165 @@
+//go:build darwin || linux || windows
+
+package libbox
+
+import (
+	"archive/zip"
+	"io"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"runtime"
+	"runtime/debug"
+	"time"
+)
+
+type crashReportMetadata struct {
+	reportMetadata
+	CrashedAt       string `json:"crashedAt,omitempty"`
+	SignalName      string `json:"signalName,omitempty"`
+	SignalCode      string `json:"signalCode,omitempty"`
+	ExceptionName   string `json:"exceptionName,omitempty"`
+	ExceptionReason string `json:"exceptionReason,omitempty"`
+}
+
+func archiveCrashReport(path string, crashReportsDir string) {
+	content, err := os.ReadFile(path)
+	if err != nil || len(content) == 0 {
+		return
+	}
+
+	info, _ := os.Stat(path)
+	crashTime := time.Now().UTC()
+	if info != nil {
+		crashTime = info.ModTime().UTC()
+	}
+
+	initReportDir(crashReportsDir)
+	destPath, err := nextAvailableReportPath(crashReportsDir, crashTime)
+	if err != nil {
+		return
+	}
+	initReportDir(destPath)
+
+	writeReportFile(destPath, "go.log", content)
+	metadata := crashReportMetadata{
+		reportMetadata: baseReportMetadata(),
+		CrashedAt:      crashTime.Format(time.RFC3339),
+	}
+	writeReportMetadata(destPath, metadata)
+	os.Remove(path)
+	copyConfigSnapshot(destPath)
+}
+
+func configSnapshotPath() string {
+	return filepath.Join(sBasePath, "configuration.json")
+}
+
+func saveConfigSnapshot(configContent string) {
+	snapshotPath := configSnapshotPath()
+	os.WriteFile(snapshotPath, []byte(configContent), 0o666)
+	chownReport(snapshotPath)
+}
+
+func redirectStderr(path string) error {
+	crashReportsDir := filepath.Join(sWorkingPath, "crash_reports")
+	archiveCrashReport(path, crashReportsDir)
+	archiveCrashReport(path+".old", crashReportsDir)
+
+	outputFile, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+	if runtime.GOOS != "android" && runtime.GOOS != "windows" {
+		err = outputFile.Chown(sUserID, sGroupID)
+		if err != nil {
+			outputFile.Close()
+			os.Remove(outputFile.Name())
+			return err
+		}
+	}
+
+	err = debug.SetCrashOutput(outputFile, debug.CrashOptions{})
+	if err != nil {
+		outputFile.Close()
+		os.Remove(outputFile.Name())
+		return err
+	}
+	_ = outputFile.Close()
+	return nil
+}
+
+func CreateZipArchive(sourcePath string, destinationPath string) error {
+	sourceInfo, err := os.Stat(sourcePath)
+	if err != nil {
+		return err
+	}
+	if !sourceInfo.IsDir() {
+		return os.ErrInvalid
+	}
+
+	destinationFile, err := os.Create(destinationPath)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = destinationFile.Close()
+	}()
+
+	zipWriter := zip.NewWriter(destinationFile)
+
+	rootName := filepath.Base(sourcePath)
+	err = filepath.WalkDir(sourcePath, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relativePath, err := filepath.Rel(sourcePath, path)
+		if err != nil {
+			return err
+		}
+		if relativePath == "." {
+			return nil
+		}
+
+		archivePath := filepath.ToSlash(filepath.Join(rootName, relativePath))
+		if d.IsDir() {
+			_, err = zipWriter.Create(archivePath + "/")
+			return err
+		}
+
+		fileInfo, err := d.Info()
+		if err != nil {
+			return err
+		}
+		header, err := zip.FileInfoHeader(fileInfo)
+		if err != nil {
+			return err
+		}
+		header.Name = archivePath
+		header.Method = zip.Deflate
+
+		writer, err := zipWriter.CreateHeader(header)
+		if err != nil {
+			return err
+		}
+
+		sourceFile, err := os.Open(path)
+		if err != nil {
+			return err
+		}
+
+		_, err = io.Copy(writer, sourceFile)
+		closeErr := sourceFile.Close()
+		if err != nil {
+			return err
+		}
+		return closeErr
+	})
+	if err != nil {
+		_ = zipWriter.Close()
+		return err
+	}
+
+	return zipWriter.Close()
+}