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filetransport.go
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filetransport.go
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package httpartifacttransport
import (
"fmt"
"io"
"net/http"
"os"
"code.cloudfoundry.org/lager"
"github.com/starkandwayne/scs-broker/broker"
"github.com/starkandwayne/scs-broker/config"
)
type HttpArtifactTransport struct {
Config config.Config
Logger lager.Logger
Client *http.Client
}
func NewHttpArtifactTransport(config config.Config, logger lager.Logger) HttpArtifactTransport {
return HttpArtifactTransport{
Config: config,
Logger: logger,
}
}
func (transport *HttpArtifactTransport) EnableHttpFileTransport() {
transport.Logger.Info("detected file transfer protocol")
t := &http.Transport{}
os.Mkdir("./"+broker.ArtifactsDir, 0777)
t.RegisterProtocol("file", http.NewFileTransport(http.Dir("./"+broker.ArtifactsDir)))
transport.Client = &http.Client{Transport: t}
}
func (transport *HttpArtifactTransport) DownloadArtifact(filename string, url string) error {
if transport.Client == nil {
transport.Logger.Info("standard http protocol detected")
transport.Client = &http.Client{}
}
transport.Logger.Info(fmt.Sprintf("Downloading from URI: %s ", url))
resp, err := transport.Client.Get(url)
transport.Logger.Info(fmt.Sprintf("HTTP STATUS CODE: %s ", resp.Status))
if err != nil {
return err
}
defer resp.Body.Close()
os.Mkdir("./"+broker.ArtifactsDir, 0777)
// Create the file
out, err := os.Create("./" + broker.ArtifactsDir + "/" + filename)
if err != nil {
return err
}
defer out.Close()
// Write the body to file
num, err := io.Copy(out, resp.Body)
if err != nil {
return err
}
transport.Logger.Info(fmt.Sprintf("Wrote: %d bytes", num))
fi, err := os.Stat("./" + broker.ArtifactsDir + "/" + filename)
if err != nil {
return err
}
transport.Logger.Info(fmt.Sprintf("Filename: %s Size: %d", fi.Name(), fi.Size()))
return err
}