func GithubCallback(session sessions.Session, r *http.Request, re render.Render) {
code, state := r.URL.Query().Get("code"), r.URL.Query().Get("state")
client_id, client_secret := common.Config.OAuth2Client_ID, common.Config.OAuth2Client_Secret
flashes := session.Flashes("state")
if code == "" || state == "" || session == nil || len(flashes) == 0 || flashes[0].(string) != state {
re.Redirect("/")
return
}
client := &http.Client{}
form := url.Values{}
form.Add("code", code)
form.Add("client_id", client_id)
form.Add("client_secret", client_secret)
req, _ := http.NewRequest("POST", "https://github.com/login/oauth/access_token/", strings.NewReader(form.Encode()))
req.Header.Set("Accept", "application/json")
resp, _ := client.Do(req)
body, _ := ioutil.ReadAll(resp.Body)
parse := map[string]interface{}{}
json.Unmarshal([]byte(string(body)), &parse)
token := parse["access_token"].(string)
req, _ = http.NewRequest("GET", "https://api.github.com/user?access_token="+token, nil)
resp, _ = client.Do(req)
body, _ = ioutil.ReadAll(resp.Body)
parse = map[string]interface{}{}
json.Unmarshal([]byte(string(body)), &parse)
username, id := parse["login"].(string), strconv.FormatFloat(parse["id"].(float64), 'f', -1, 64)
if !common.UserExist(id) {
common.NewUser(id)
}
session.Set("loggedin", true)
session.Set("username", username)
session.Set("id", id)
session.Set("token", token)
redirectTo := session.Get("redirect_to")
if redirectTo != nil {
re.Redirect(redirectTo.(string))
} else {
re.Redirect("/")
}
session.Set("redirect_to", nil)
}
// NewPageData is the constructor for PageData struct
func NewPageData(tokens oauth2.Tokens, session sessions.Session) *PageData {
pd := &PageData{}
pd.User = CurrentUser(tokens)
pd.GravatarImage = fmt.Sprintf(
"https://secure.gravatar.com/avatar/%x?s=50&d=https%%3A%%2F%%2Fwww.synkee.com%%2Fapp%%2Fstatic%%2Fdist%%2Fimg%%2Fuser.png",
md5.Sum([]byte(pd.User.Email)))
pd.AppUrl = config.AppUrl
pd.Errors = &binding.Errors{}
pd.SuccessFlash = session.Flashes("success")
pd.ErrorFlash = session.Flashes("error")
pd.Config = config
pd.Settings = &Setting{}
db.Where(&Setting{UserID: int(pd.User.ID)}).First(pd.Settings)
// log.Printf("[NewPageData] settings: %s", pd.Settings)
return pd
}
