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config_setup.go
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101 lines (86 loc) · 2.17 KB
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package context
import (
"bufio"
"fmt"
"io"
"os"
"path/filepath"
"github.com/github/gh-cli/api"
"github.com/github/gh-cli/auth"
"gopkg.in/yaml.v3"
)
const (
oauthHost = "github.com"
)
var (
// The GitHub app that is meant for development
oauthClientID = "4d747ba5675d5d66553f"
// This value is safe to be embedded in version control
oauthClientSecret = "d4fee7b3f9c2ef4284a5ca7be0ee200cf15b6f8d"
)
// TODO: have a conversation about whether this belongs in the "context" package
// FIXME: make testable
func setupConfigFile(filename string) (*configEntry, error) {
flow := &auth.OAuthFlow{
Hostname: oauthHost,
ClientID: oauthClientID,
ClientSecret: oauthClientSecret,
WriteSuccessHTML: func(w io.Writer) {
fmt.Fprintln(w, oauthSuccessPage)
},
}
fmt.Fprintln(os.Stderr, "Notice: authentication required")
fmt.Fprintf(os.Stderr, "Press Enter to open %s in your web browser... ", flow.Hostname)
waitForEnter(os.Stdin)
token, err := flow.ObtainAccessToken()
if err != nil {
return nil, err
}
userLogin, err := getViewer(token)
if err != nil {
return nil, err
}
entry := configEntry{
User: userLogin,
Token: token,
}
data := make(map[string][]configEntry)
data[flow.Hostname] = []configEntry{entry}
err = os.MkdirAll(filepath.Dir(filename), 0771)
if err != nil {
return nil, err
}
config, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return nil, err
}
defer config.Close()
yamlData, err := yaml.Marshal(data)
if err != nil {
return nil, err
}
n, err := config.Write(yamlData)
if err == nil && n < len(yamlData) {
err = io.ErrShortWrite
}
if err == nil {
fmt.Fprintln(os.Stderr, "Authentication complete. Press Enter to continue... ")
waitForEnter(os.Stdin)
}
return &entry, err
}
func getViewer(token string) (string, error) {
http := api.NewClient(api.AddHeader("Authorization", fmt.Sprintf("token %s", token)))
response := struct {
Viewer struct {
Login string
}
}{}
err := http.GraphQL("{ viewer { login } }", nil, &response)
return response.Viewer.Login, err
}
func waitForEnter(r io.Reader) error {
scanner := bufio.NewScanner(r)
scanner.Scan()
return scanner.Err()
}