Files
packets/cmd/packets/main.go

539 lines
13 KiB
Go

package main
import (
"bufio"
"crypto/ed25519"
"database/sql"
_ "embed"
"fmt"
"log"
"os"
"path/filepath"
"sync"
"packets/configs"
"packets/internal/consts"
"packets/internal/utils"
packets "packets/pkg"
"github.com/pelletier/go-toml/v2"
"github.com/spf13/cobra"
_ "modernc.org/sqlite"
)
//go:embed ed25519public_key.pem
var publicKey []byte
// init is doing some verifications
func init() {
log.SetPrefix("error: ")
log.SetFlags(0)
//log.SetFlags(log.Lshortfile)
_, err := os.Stat(consts.DefaultLinux_d)
if os.IsNotExist(err) {
err := os.Mkdir(consts.DefaultLinux_d, 0777)
if err != nil {
if os.IsPermission(err) {
log.Fatal("can't create packets root directory, please run as root")
} else {
log.Fatal(err)
}
}
}
_, err = os.Stat(filepath.Join(consts.DefaultLinux_d, "index.db"))
if err != nil {
if os.IsNotExist(err) {
if len(os.Args) > 1 && os.Args[0] != "sync" {
} else {
fmt.Println("index.db does not exist, try to use \"packets sync\"")
}
} else {
log.Fatal(err)
}
}
_, err = os.Stat(filepath.Join(consts.DefaultLinux_d, "installed.db"))
if err != nil {
if os.IsNotExist(err) {
db, err := sql.Open("sqlite", filepath.Join(consts.DefaultLinux_d, "installed.db"))
if err != nil {
log.Fatal(db)
}
defer db.Close()
db.Exec("CREATE TABLE IF NOT EXISTS packages (query_name TEXT NOT NULL,name TEXT NOT NULL UNIQUE PRIMARY KEY, version TEXT NOT NULL, dependencies TEXT NOT NULL DEFAULT '', description TEXT NOT NULL, family TEXT NOT NULL, package_d TEXT NOT NULL, filename TEXT NOT NULL, os TEXT NOT NULL, arch TEXT NOT NULL, in_cache INTEGER NOT NULL DEFAULT 1, serial INTEGER NOT NULL)")
} else {
log.Fatal(err)
}
}
_, err = os.Stat(filepath.Join(consts.DefaultLinux_d, "config.toml"))
if os.IsNotExist(err) {
f, err := os.Create(filepath.Join(consts.DefaultLinux_d, "config.toml"))
if err != nil {
log.Fatal(err)
}
defer f.Close()
encoder := toml.NewEncoder(f)
cfg, err := configs.DefaultConfigTOML()
if err != nil {
log.Fatal(err)
}
if err = encoder.Encode(*cfg); err != nil {
log.Fatal(err)
}
}
}
// COBRA CMDS
var rootCmd = &cobra.Command{Use: "packets"}
var syncCmd = &cobra.Command{
Use: "sync [url]",
Args: cobra.MaximumNArgs(1),
Short: "Syncronizes with an remote index.db, and check if the data dir is changed",
Run: func(cmd *cobra.Command, args []string) {
_, err := os.Stat(consts.IndexDB)
if err != nil {
if !os.IsNotExist(err) {
log.Fatal("index.db does not exist, try to use \"packets sync\"")
}
}
f, err := os.OpenFile(consts.IndexDB, os.O_WRONLY, 0)
if err != nil {
log.Fatalf("can't open to write [ %s ]. Are you running packets as root?\n", consts.IndexDB)
}
f.Close()
syncUrl := consts.DefaultSyncUrl
if len(args) > 0 {
syncUrl = args[0]
}
DBB, err := utils.GetFileHTTP(syncUrl)
if err != nil {
log.Fatal(err)
}
databaseSig, err := utils.GetFileHTTP(syncUrl + ".sig")
if err != nil {
log.Fatal(err)
}
if syncUrl == consts.DefaultSyncUrl {
if !ed25519.Verify(publicKey, DBB, databaseSig) {
log.Printf("Signature verification failed for the **MAIN** respository [ %s ], the index.db file may be compromised, do wish to continue? (y/N)\n", syncUrl)
fmt.Print(">> ")
var a string
fmt.Scanf("%s", &a)
if a != "y" && a != "Y" {
log.Fatalf("aborting, try googling to know about [ %s ]\n", syncUrl)
}
}
}
if err := os.WriteFile(consts.IndexDB, DBB, 0774); err != nil {
log.Fatal(err)
}
fmt.Printf(":: Sucessifully syncronized index.db with [ %s ]\n", syncUrl)
os.Exit(0)
},
}
type Quer1 struct {
Name string
Version string
Description string
}
var installCmd = &cobra.Command{
Use: "install {package} [packages...]",
Short: "Install a package",
Args: cobra.MinimumNArgs(1),
Run: func(cmd *cobra.Command, args []string) {
_, err := os.Stat(consts.IndexDB)
if err != nil {
if !os.IsNotExist(err) {
log.Fatal("index.db does not exist, try to use \"packets sync\"")
}
}
f, err := os.OpenFile(consts.InstalledDB, os.O_WRONLY, 0)
if err != nil {
log.Fatalf("can't open [ %s ]. Are you running packets as root?\n", consts.InstalledDB)
}
f.Close()
db, err := sql.Open("sqlite", consts.IndexDB)
if err != nil {
fmt.Println(err)
}
defer db.Close()
cfg, err := configs.GetConfigTOML()
if err != nil {
log.Fatal(err)
}
for _, inputName := range args {
var exist bool
err := db.QueryRow("SELECT EXISTS(SELECT 1 FROM packages WHERE name = ?)", inputName).Scan(&exist)
if err != nil {
if err != sql.ErrNoRows {
log.Panic(err)
}
}
if exist {
installed, err := utils.CheckIfPackageInstalled(inputName)
if err != nil {
log.Fatal(err)
}
if installed {
log.Printf("package %s is already installed\n", inputName)
continue
}
fmt.Printf("Checking dependencies of (%s)\n", inputName)
dependencies, err := utils.GetDependencies(inputName)
if err != nil {
log.Fatal(err)
}
if len(dependencies) > 0 {
var wg sync.WaitGroup
var mu sync.Mutex
fmt.Printf(":: Packets will install %s and %d dependencies\nPackages to install:\n", inputName, len(dependencies))
fmt.Println(dependencies)
fmt.Println("Are you sure? (y/N)")
var a string
fmt.Scanf("%s", &a)
if a != "y" && a != "Y" {
os.Exit(1)
}
for _, depn := range dependencies {
wg.Add(1)
go AyncFullInstall(depn, cfg.Config.StorePackages, filepath.Join(cfg.Config.Data_d, inputName), &wg, &mu)
}
wg.Wait()
}
fmt.Printf("Downloading (%s) \n", inputName)
p, err := utils.GetPackage(inputName)
if err != nil {
log.Fatal(err)
}
fmt.Printf(":: Installing (%s) \n", inputName)
if err := packets.InstallPackage(p.PackageF, filepath.Join(cfg.Config.Data_d, inputName)); err != nil {
log.Fatal(err)
}
if cfg.Config.StorePackages {
_, err := p.Write()
if err != nil {
log.Fatal(err)
}
err = p.AddToInstalledDB(1, filepath.Join(cfg.Config.Data_d, inputName))
if err != nil {
log.Fatal(err)
}
} else {
err := p.AddToInstalledDB(0, filepath.Join(cfg.Config.Data_d, inputName))
if err != nil {
log.Fatal(err)
}
}
continue
}
rows, err := db.Query("SELECT name, version, description FROM packages WHERE query_name = ?", inputName)
if err != nil {
log.Fatal(err)
}
defer rows.Close()
var pkgs []Quer1
for rows.Next() {
var q Quer1
if err := rows.Scan(&q.Name, &q.Version, &q.Description); err != nil {
log.Panic(err)
}
pkgs = append(pkgs, q)
}
switch len(pkgs) {
case 0:
log.Fatalf("can't find any results for (%s)\n", inputName)
case 1:
fmt.Printf(":: Founded 1 package for %s \n", inputName)
installed, err := utils.CheckIfPackageInstalled(pkgs[0].Name)
if err != nil {
log.Fatal(err)
}
if installed {
log.Printf("Package %s is already installed\n", pkgs[0].Name)
continue
}
fmt.Printf("Checking dependencies of (%s)\n", pkgs[0].Name)
dependencies, err := utils.GetDependencies(pkgs[0].Name)
if err != nil {
log.Fatal(err)
}
if len(dependencies) > 0 {
var wg sync.WaitGroup
var mu sync.Mutex
fmt.Printf(":: Packets will install %s and %d dependencies\nPackages to install:\n", pkgs[0].Name, len(dependencies))
fmt.Println(dependencies)
fmt.Println("Are you sure? (y/N)")
var a string
fmt.Scanf("%s", &a)
if a != "y" && a != "Y" {
os.Exit(1)
}
for _, depn := range dependencies {
wg.Add(1)
go AyncFullInstall(depn, cfg.Config.StorePackages, filepath.Join(cfg.Config.Data_d, inputName), &wg, &mu)
}
wg.Wait()
}
fmt.Printf("Downloading %s \n", pkgs[0].Name)
p, err := utils.GetPackage(pkgs[0].Name)
if err != nil {
log.Fatal(err)
}
cfg, err := configs.GetConfigTOML()
if err != nil {
log.Fatal(err)
}
fmt.Printf(":: Installing %s \n", pkgs[0].Name)
if err := packets.InstallPackage(p.PackageF, filepath.Join(cfg.Config.Data_d, pkgs[0].Name)); err != nil {
log.Fatal(err)
}
if cfg.Config.StorePackages {
_, err := p.Write()
if err != nil {
log.Fatal(err)
}
err = p.AddToInstalledDB(1, filepath.Join(cfg.Config.Data_d, pkgs[0].Name))
if err != nil {
log.Fatal(err)
}
} else {
err := p.AddToInstalledDB(0, filepath.Join(cfg.Config.Data_d, pkgs[0].Name))
if err != nil {
log.Fatal(err)
}
}
continue
default:
fmt.Printf(":: Founded %d packages for (%s)\n Select 1 to install\n", len(pkgs), inputName)
for i, q := range pkgs {
fmt.Printf("[%d] %s : %s\n %s\n", i, q.Name, q.Version, q.Description)
}
var choice int
optionagain:
fmt.Print(">> ")
fmt.Fscan(bufio.NewReader(os.Stdin), &choice)
if choice > len(pkgs) || choice < 0 {
fmt.Println("invalid option")
goto optionagain
}
installed, err := utils.CheckIfPackageInstalled(pkgs[choice].Name)
if err != nil {
log.Fatal(err)
}
if installed {
log.Printf("package %s is already installed\n", pkgs[choice].Name)
continue
}
fmt.Printf("Checking dependencies of (%s)\n", pkgs[choice].Name)
dependencies, err := utils.GetDependencies(pkgs[choice].Name)
if err != nil {
log.Fatal(err)
}
if len(dependencies) > 0 {
var wg sync.WaitGroup
var mu sync.Mutex
fmt.Printf(":: Packets will install %s and %d dependencies\nPackages to install:\n", pkgs[choice].Name, len(dependencies))
fmt.Println(dependencies)
fmt.Println("Are you sure? (y/N)")
var a string
fmt.Scanf("%s", &a)
if a != "y" && a != "Y" {
os.Exit(1)
}
for _, depn := range dependencies {
wg.Add(1)
go AyncFullInstall(depn, cfg.Config.StorePackages, filepath.Join(cfg.Config.Data_d, pkgs[choice].Name), &wg, &mu)
}
wg.Wait()
}
fmt.Printf("Downloading %s \n", pkgs[choice].Name)
p, err := utils.GetPackage(pkgs[choice].Name)
if err != nil {
log.Fatal(err)
}
cfg, err := configs.GetConfigTOML()
if err != nil {
log.Fatal(err)
}
fmt.Printf(":: Installing (%s) \n", pkgs[choice].Name)
if err := packets.InstallPackage(p.PackageF, filepath.Join(cfg.Config.Data_d, pkgs[choice].Name)); err != nil {
log.Fatal(err)
}
if cfg.Config.StorePackages {
_, err := p.Write()
if err != nil {
log.Fatal(err)
}
err = p.AddToInstalledDB(1, filepath.Join(cfg.Config.Data_d, pkgs[choice].Name))
if err != nil {
log.Fatal(err)
}
} else {
err := p.AddToInstalledDB(0, filepath.Join(cfg.Config.Data_d, pkgs[choice].Name))
if err != nil {
log.Fatal(err)
}
}
continue
}
}
},
}
var removeCmd = &cobra.Command{
Use: "remove {package name}[package name...] ",
Args: cobra.MinimumNArgs(1),
Short: "Remove a package from the given names",
Run: func(cmd *cobra.Command, args []string) {
fmt.Print(":: This command will remove permanently this packages, are you sure? (y/N)\n>> ")
var a string
fmt.Scanf("%s", &a)
if a != "y" && a != "Y" {
os.Exit(1)
}
for _, pkgName := range args {
installed, err := utils.CheckIfPackageInstalled(pkgName)
if err != nil {
log.Fatal(err)
}
if installed {
db, err := sql.Open("sqlite", consts.InstalledDB)
if err != nil {
log.Fatal(err)
}
var packageDir string
if err := db.QueryRow("SELECT package_d FROM packages WHERE name = ?", pkgName).Scan(&packageDir); err != nil {
log.Fatal(err)
}
f, err := os.Open(filepath.Join(packageDir, "manifest.toml"))
if err != nil {
log.Fatal(err)
}
manifest, err := utils.ManifestFileRead(f)
if err != nil {
log.Fatal(err)
}
packets.ExecuteRemoveScript(filepath.Join(packageDir, manifest.Hooks.Remove))
if err := os.RemoveAll(packageDir); err != nil {
log.Fatal(err)
}
if err := utils.RemoveFromInstalledDB(pkgName); err != nil {
log.Fatal(err)
}
fmt.Println("Sucessifully removed")
os.Exit(0)
}
log.Fatalf("%s not installed", pkgName)
}
},
}
func main() {
rootCmd.AddCommand(installCmd)
rootCmd.AddCommand(removeCmd)
rootCmd.AddCommand(syncCmd)
rootCmd.Execute()
}
func AyncFullInstall(dep string, storePackages bool, installPath string, wg *sync.WaitGroup, mu *sync.Mutex) {
defer wg.Done()
fmt.Printf(" Downloading %s \n", dep)
p, err := utils.GetPackage(dep)
if err != nil {
log.Println(err)
return
}
fmt.Printf(" Installing %s \n", dep)
if err := packets.InstallPackage(p.PackageF, installPath); err != nil {
log.Fatal(err)
}
if storePackages {
_, err := p.Write()
if err != nil {
log.Println(err)
return
}
mu.Lock()
defer mu.Unlock()
err = p.AddToInstalledDB(1, installPath)
if err != nil {
log.Println(err)
return
}
} else {
mu.Lock()
defer mu.Unlock()
err := p.AddToInstalledDB(0, installPath)
if err != nil {
log.Println(err)
return
}
}
}