marcobaobao
4c35b0b41f
introduced pipelines and abstracted download process.go in Downloader interface
58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package metadata
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import (
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"bytes"
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"encoding/json"
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"errors"
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"io"
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"log/slog"
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"os/exec"
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"syscall"
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"time"
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"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/common"
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"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/config"
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)
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func DefaultFetcher(url string) (*common.DownloadMetadata, error) {
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cmd := exec.Command(config.Instance().DownloaderPath, url, "-J")
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cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, err
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}
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return nil, err
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}
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meta := common.DownloadMetadata{
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URL: url,
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CreatedAt: time.Now(),
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}
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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var bufferedStderr bytes.Buffer
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go func() {
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io.Copy(&bufferedStderr, stderr)
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}()
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slog.Info("retrieving metadata", slog.String("url", url))
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if err := json.NewDecoder(stdout).Decode(&meta); err != nil {
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return nil, err
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}
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if err := cmd.Wait(); err != nil {
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return nil, errors.New(bufferedStderr.String())
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}
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return &meta, nil
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}
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