mirror of
https://github.com/Awuqing/BackupX.git
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00151e466c
实现 CDC 内容寻址仓库、远程 Agent 中央中转备份与首次初始化体验，并补充安全校验、测试及双语文档。 Closes #94 Closes #101 Closes #104
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
package backup
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import (
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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)
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var fileNameCleaner = regexp.MustCompile(`[^a-zA-Z0-9._-]+`)
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func EnsureTempRoot() (string, error) {
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root := filepath.Join(os.TempDir(), "backupx")
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if err := os.MkdirAll(root, 0o755); err != nil {
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return "", fmt.Errorf("create backup temp root: %w", err)
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}
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return root, nil
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}
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func CreateTaskTempDir(taskName string, startedAt time.Time) (string, error) {
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root, err := EnsureTempRoot()
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if err != nil {
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return "", err
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}
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name := sanitizeTaskName(taskName)
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if name == "" {
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name = "backup"
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}
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path := filepath.Join(root, fmt.Sprintf("%s_%s", name, startedAt.UTC().Format("20060102_150405")))
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if err := os.MkdirAll(path, 0o755); err != nil {
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return "", fmt.Errorf("create task temp dir: %w", err)
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}
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return path, nil
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}
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func BuildArtifactName(taskName string, startedAt time.Time, extension string) string {
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name := sanitizeTaskName(taskName)
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if name == "" {
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name = "backup"
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}
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ext := strings.TrimSpace(extension)
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if ext != "" && !strings.HasPrefix(ext, ".") {
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ext = "." + ext
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}
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return fmt.Sprintf("%s_%s%s", name, startedAt.UTC().Format("20060102_150405"), ext)
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}
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func BuildStorageKey(backupType string, startedAt time.Time, fileName string) string {
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typeName := strings.TrimSpace(strings.ToLower(backupType))
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if typeName == "" {
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typeName = "file"
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}
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return filepath.ToSlash(filepath.Join("BackupX", typeName, startedAt.UTC().Format("060102"), fileName))
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}
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// BuildRecordStorageKey gives remote-Agent artifacts a record-owned namespace.
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// The Master validates this namespace before accepting a relayed upload, so one
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// Agent cannot overwrite another record's object on centrally mounted storage.
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func BuildRecordStorageKey(backupType string, startedAt time.Time, recordID uint, fileName string) string {
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typeName := strings.TrimSpace(strings.ToLower(backupType))
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if typeName == "" {
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typeName = "file"
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}
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return filepath.ToSlash(filepath.Join("BackupX", typeName, startedAt.UTC().Format("060102"), "records", fmt.Sprintf("%d", recordID), fileName))
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}
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func sanitizeTaskName(value string) string {
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trimmed := strings.TrimSpace(strings.ToLower(value))
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trimmed = strings.ReplaceAll(trimmed, " ", "-")
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trimmed = fileNameCleaner.ReplaceAllString(trimmed, "-")
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trimmed = strings.Trim(trimmed, "-._")
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return trimmed
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}
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