cli/internal/config/config_setup.go
2020-08-12 12:05:54 -05:00

104 lines
2.5 KiB
Go

package config
import (
"bufio"
"fmt"
"io"
"os"
"strings"
"github.com/cli/cli/api"
"github.com/cli/cli/auth"
"github.com/cli/cli/utils"
)
var (
// The "GitHub CLI" OAuth app
oauthClientID = "178c6fc778ccc68e1d6a"
// This value is safe to be embedded in version control
oauthClientSecret = "34ddeff2b558a23d38fba8a6de74f086ede1cc0b"
)
// IsGitHubApp reports whether an OAuth app is "GitHub CLI" or "GitHub CLI (dev)"
func IsGitHubApp(id string) bool {
// this intentionally doesn't use `oauthClientID` because that is a variable
// that can potentially be changed at build time via GH_OAUTH_CLIENT_ID
return id == "178c6fc778ccc68e1d6a" || id == "4d747ba5675d5d66553f"
}
func AuthFlowWithConfig(cfg Config, hostname, notice string, additionalScopes []string) (string, error) {
token, userLogin, err := authFlow(hostname, notice, additionalScopes)
if err != nil {
return "", err
}
err = cfg.Set(hostname, "user", userLogin)
if err != nil {
return "", err
}
err = cfg.Set(hostname, "oauth_token", token)
if err != nil {
return "", err
}
err = cfg.Write()
if err != nil {
return "", err
}
AuthFlowComplete()
return token, nil
}
func authFlow(oauthHost, notice string, additionalScopes []string) (string, string, error) {
var verboseStream io.Writer
if strings.Contains(os.Getenv("DEBUG"), "oauth") {
verboseStream = os.Stderr
}
minimumScopes := []string{"repo", "read:org", "gist"}
scopes := append(minimumScopes, additionalScopes...)
flow := &auth.OAuthFlow{
Hostname: oauthHost,
ClientID: oauthClientID,
ClientSecret: oauthClientSecret,
Scopes: scopes,
WriteSuccessHTML: func(w io.Writer) {
fmt.Fprintln(w, oauthSuccessPage)
},
VerboseStream: verboseStream,
}
fmt.Fprintln(os.Stderr, notice)
fmt.Fprintf(os.Stderr, "- %s to open %s in your browser... ", utils.Bold("Press Enter"), flow.Hostname)
_ = waitForEnter(os.Stdin)
token, err := flow.ObtainAccessToken()
if err != nil {
return "", "", err
}
userLogin, err := getViewer(oauthHost, token)
if err != nil {
return "", "", err
}
return token, userLogin, nil
}
func AuthFlowComplete() {
fmt.Fprintf(os.Stderr, "%s Authentication complete. %s to continue...\n",
utils.GreenCheck(), utils.Bold("Press Enter"))
_ = waitForEnter(os.Stdin)
}
func getViewer(hostname, token string) (string, error) {
http := api.NewClient(api.AddHeader("Authorization", fmt.Sprintf("token %s", token)))
return api.CurrentLoginName(http, hostname)
}
func waitForEnter(r io.Reader) error {
scanner := bufio.NewScanner(r)
scanner.Scan()
return scanner.Err()
}