cli/pkg/cmd/factory/http.go
2020-08-12 12:07:36 -05:00

68 lines
1.9 KiB
Go

package factory
import (
"errors"
"fmt"
"net/http"
"os"
"strings"
"github.com/cli/cli/api"
"github.com/cli/cli/internal/config"
"github.com/cli/cli/internal/ghinstance"
"github.com/cli/cli/pkg/iostreams"
)
// generic authenticated HTTP client for commands
func httpClient(io *iostreams.IOStreams, cfg config.Config, appVersion string, setAccept bool) *http.Client {
var opts []api.ClientOption
if verbose := os.Getenv("DEBUG"); verbose != "" {
logTraffic := strings.Contains(verbose, "api")
opts = append(opts, api.VerboseLog(io.ErrOut, logTraffic, io.IsStderrTTY()))
}
opts = append(opts,
api.AddHeader("User-Agent", fmt.Sprintf("GitHub CLI %s", appVersion)),
api.AddHeaderFunc("Authorization", func(req *http.Request) (string, error) {
if token := os.Getenv("GITHUB_TOKEN"); token != "" {
return fmt.Sprintf("token %s", token), nil
}
hostname := ghinstance.NormalizeHostname(req.URL.Hostname())
token, err := cfg.Get(hostname, "oauth_token")
if token == "" {
var notFound *config.NotFoundError
// TODO: check if stdout is TTY too
if errors.As(err, &notFound) && io.IsStdinTTY() {
// interactive OAuth flow
token, err = config.AuthFlowWithConfig(cfg, hostname, "Notice: authentication required", nil)
}
if err != nil {
return "", err
}
if token == "" {
// TODO: instruct user how to manually authenticate
return "", fmt.Errorf("authentication required for %s", hostname)
}
}
return fmt.Sprintf("token %s", token), nil
}),
)
if setAccept {
opts = append(opts,
api.AddHeaderFunc("Accept", func(req *http.Request) (string, error) {
// antiope-preview: Checks
accept := "application/vnd.github.antiope-preview+json"
if ghinstance.IsEnterprise(req.URL.Hostname()) {
// shadow-cat-preview: Draft pull requests
accept += ", application/vnd.github.shadow-cat-preview"
}
return accept, nil
}),
)
}
return api.NewHTTPClient(opts...)
}