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| package main
import (
"archive/tar"
"compress/gzip"
"encoding/json"
"io"
"io/ioutil"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
_ "github.com/go-sql-driver/mysql"
"xorm.io/xorm"
)
type ComponentBall struct {
ID int64 `xorm:"pk autoincr" json:"id"`
Name string `json:"name"`
Version string `json:"version"`
Description string `json:"description,omitempty"`
Type string `json:"type"`
Checksum string `json:"checksum"`
Dependencies string `json:"dependencies,omitempty"`
ProtoVersion int `json:"protoVersion"`
Changelog string `xorm:"TEXT" json:"changelog"`
DependenciesList []Dependency `json:"dependenciesList" xorm:"-"`
}
type Meta struct {
Name string `json:"name"`
Version string `json:"version"`
Description string `json:"description,omitempty"`
Type string `json:"type"`
Checksum Checksum `json:"checksum"`
Dependencies []Dependency `json:"dependencies,omitempty"`
ProtoVersion int `json:"protoVersion"`
Changelog string `json:"changelog"`
}
type Checksum struct {
V1 string `json:"v1"`
}
type Dependency struct {
Name string `json:"name"`
Type string `json:"type"`
CompatibleVersions string `json:"compatibleVersions"`
IncompatibleVersions []string `json:"incompatibleVersions"`
Description string `json:"description"`
}
func validateChecksum(extractedDir string, expectedChecksum string) bool {
cmd := exec.Command("bash", "-c", "find . -type f ! -name 'meta.json' -exec md5sum {} + | awk '{print $1}' | md5sum")
cmd.Dir = extractedDir
output, err := cmd.Output()
if err != nil {
log.Printf("Error executing checksum validation command: %v", err)
return false
}
actualChecksumLs := strings.Fields(string(output))
if len(actualChecksumLs) < 2 {
log.Println("Error executing command:", err)
}
actualChecksum := actualChecksumLs[0]
return actualChecksum == expectedChecksum
}
func extractTarGz(gzipStream io.Reader, dst string) error {
uncompressedStream, err := gzip.NewReader(gzipStream)
if err != nil {
return err
}
defer uncompressedStream.Close()
tarReader := tar.NewReader(uncompressedStream)
for {
header, err := tarReader.Next()
if err == io.EOF {
break
}
if err != nil {
return err
}
target := filepath.Join(dst, header.Name)
switch header.Typeflag {
case tar.TypeDir:
if err := os.MkdirAll(target, os.FileMode(header.Mode)); err != nil {
return err
}
case tar.TypeReg:
f, err := os.OpenFile(target, os.O_CREATE|os.O_RDWR, os.FileMode(header.Mode))
if err != nil {
return err
}
if _, err := io.Copy(f, tarReader); err != nil {
return err
}
f.Close()
}
}
return nil
}
func saveComponent(engine *xorm.Engine, component ComponentBall) error {
session := engine.NewSession()
defer session.Close()
err := session.Begin()
if err != nil {
return err
}
_, err = session.Insert(&component)
if err != nil {
session.Rollback()
return err
}
return session.Commit()
}
func ImportComponent() error {
packageFile := "SC_v1.5.15.linux-x86_64.tar.gz"
extractedDir := "SC_v1.5.15.linux-x86_64"
err := os.MkdirAll(extractedDir, os.ModePerm)
if err != nil {
return err
}
file, err := os.Open(packageFile)
if err != nil {
log.Fatalf("Error opening package file: %v", err)
return err
}
defer file.Close()
err = extractTarGz(file, extractedDir)
if err != nil {
log.Fatalf("Error extracting package file: %v", err)
return err
}
metaFile := filepath.Join(extractedDir, "meta.json")
metaData, err := ioutil.ReadFile(metaFile)
if err != nil {
log.Fatalf("Error reading meta.json: %v", err)
return err
}
var meta Meta
err = json.Unmarshal(metaData, &meta)
if err != nil {
log.Fatalf("Error parsing meta.json: %v", err)
return err
}
if !validateChecksum(extractedDir, meta.Checksum.V1) {
log.Fatalf("Package integrity validation failed for %s", packageFile)
return err
}
dependenciesJSON, err := json.Marshal(meta.Dependencies)
if err != nil {
log.Fatalf("Error marshaling dependencies: %v", err)
return err
}
component := ComponentBall{
Name: meta.Name,
Version: meta.Version,
Description: meta.Description,
Type: meta.Type,
Checksum: meta.Checksum.V1,
Dependencies: string(dependenciesJSON),
ProtoVersion: meta.ProtoVersion,
Changelog: meta.Changelog,
DependenciesList: meta.Dependencies,
}
dbURL := "user:password@tcp(127.0.0.1:3306)/dbname?charset=utf8&parseTime=True"
engine, err := xorm.NewEngine("mysql", dbURL)
if err != nil {
log.Fatalf("Error connecting to the database: %v", err)
return err
}
err = saveComponent(engine, component)
if err != nil {
log.Fatalf("Error saving component information to the database: %v", err)
return err
}
log.Println("Parsed component information saved to the database successfully.")
return nil
}
func main() {
err := ImportComponent()
if err != nil {
log.Fatalf("Error importing component: %v", err)
}
}
|