69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package utils
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import (
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"archive/tar"
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"io"
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"log"
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"net/http"
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"os"
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"packets/configs"
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errors_packets "packets/internal/errors"
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"path/filepath"
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"github.com/klauspost/compress/zstd"
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"github.com/pelletier/go-toml/v2"
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)
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func DownloadPackageHTTP(url string) (*[]byte, error) {
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resp, err := http.Get(url)
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if err != nil {
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log.Fatal(err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, errors_packets.ErrResponseNot200OK
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}
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fileBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return &fileBytes, nil
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}
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// ReadManifest is crucial to get package metadata it reads manifest.toml from a package file (tar.zst)
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func ReadManifest(file *os.File) (*configs.Manifest, error) {
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zstdReader, err := zstd.NewReader(file)
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if err != nil {
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return nil, err
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}
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defer zstdReader.Close()
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tarReader := tar.NewReader(zstdReader)
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for {
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header, err := tarReader.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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return nil, err
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}
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if filepath.Base(header.Name) == "manifest.toml" {
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decoder := toml.NewDecoder(tarReader)
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var manifest configs.Manifest
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if err := decoder.Decode(&manifest); err != nil {
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log.Fatal(err)
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}
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return &manifest, nil
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}
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}
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return nil, errors_packets.ErrCantFindManifestTOML
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}
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