statping/handlers/oauth_slack.go

80 lines
1.8 KiB
Go

package handlers
import (
"encoding/json"
"fmt"
"github.com/statping/statping/types/core"
"github.com/statping/statping/types/errors"
"github.com/statping/statping/utils"
"golang.org/x/oauth2"
"golang.org/x/oauth2/slack"
"net/http"
"time"
)
func slackOAuth(r *http.Request) (*oAuth, error) {
c := core.App
code := r.URL.Query().Get("code")
config := &oauth2.Config{
ClientID: c.OAuth.SlackClientID,
ClientSecret: c.OAuth.SlackClientSecret,
Endpoint: slack.Endpoint,
RedirectURL: c.Domain + basePath + "oauth/slack",
Scopes: []string{"identity.basic"},
}
gg, err := config.Exchange(r.Context(), code)
if err != nil {
return nil, err
}
oauther := &oAuth{
Token: gg.AccessToken,
RefreshToken: gg.RefreshToken,
Valid: gg.Valid(),
Type: gg.Type(),
}
identity, err := returnSlackIdentity(gg.AccessToken)
if err != nil {
return nil, err
}
if !identity.Ok {
return nil, errors.New("slack identity is invalid")
}
oauther.Username = identity.User.Name
oauther.Email = identity.User.Email
return oauther, nil
}
// slackIdentity will query the Slack API to fetch the users ID, username, and email address.
func returnSlackIdentity(token string) (slackIdentity, error) {
url := fmt.Sprintf("https://slack.com/api/users.identity?token=%s", token)
out, _, err := utils.HttpRequest(url, "GET", "application/x-www-form-urlencoded", nil, nil, 10*time.Second, true, nil)
if err != nil {
return slackIdentity{}, err
}
var i slackIdentity
if err := json.Unmarshal(out, &i); err != nil {
return slackIdentity{}, err
}
return i, nil
}
type slackIdentity struct {
Ok bool `json:"ok"`
User struct {
Name string `json:"name"`
ID string `json:"id"`
Email string `json:"email"`
} `json:"user"`
Team struct {
ID string `json:"id"`
} `json:"team"`
}