/
handlers.go
152 lines (132 loc) · 4.37 KB
/
handlers.go
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package facebook_provider
import (
"encoding/json"
"fmt"
"net/http"
"github.com/cjlapao/common-go-identity-oauth2/adapters"
openid "github.com/cjlapao/common-go-identity-oauth2/helpers"
"github.com/cjlapao/common-go-restapi/controllers"
)
func (c *FacebookOAuth2Client) Login() controllers.Controller {
return func(w http.ResponseWriter, r *http.Request) {
if r.TLS != nil {
c.callbackRedirectUrl.SetTls()
}
c.config.RedirectURL = c.callbackRedirectUrl.Get()
// Creating the cookie for use with google
oauthState := openid.GenerateStateOauthCookie(c, c.tokenExpiration, w)
// Calling google and setting the cookie
u := c.config.AuthCodeURL(oauthState)
// redirecting back to the application
http.Redirect(w, r, u, http.StatusTemporaryRedirect)
}
}
func (c *FacebookOAuth2Client) Logout() controllers.Controller {
return func(w http.ResponseWriter, r *http.Request) {
}
}
func (c *FacebookOAuth2Client) Callback() controllers.Controller {
return func(w http.ResponseWriter, r *http.Request) {
// Read oauthState from Cookie
oauthState, err := r.Cookie(openid.GetCookieName(c))
if err != nil {
logger.Exception(err, "error getting cookie %s", openid.GetCookieName(c))
if c.ErrorCallback != nil {
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Success: false,
Error: err,
}
c.ErrorCallback(&response)
return
}
if c.RedirectOnError {
http.Redirect(w, r, c.errorRedirectPath, http.StatusTemporaryRedirect)
}
}
if r.FormValue("state") != oauthState.Value {
logger.Error("Invalid oauth %s state", FACEBOOK_DEFAULT_CLIENT_NAME)
if c.ErrorCallback != nil {
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Success: false,
Error: err,
}
c.ErrorCallback(&response)
}
if c.RedirectOnError {
http.Redirect(w, r, c.errorRedirectPath, http.StatusTemporaryRedirect)
}
return
}
data, err := getUserData(c, r.FormValue("code"))
if err != nil {
logger.Exception(err, "There was an error getting the user profile from %s", FACEBOOK_DEFAULT_CLIENT_NAME)
if c.ErrorCallback != nil {
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Success: false,
Error: err,
}
c.ErrorCallback(&response)
}
if c.RedirectOnError {
http.Redirect(w, r, c.errorRedirectPath, http.StatusTemporaryRedirect)
}
return
}
if c.LoggedInCallback != nil {
var userInfo map[string]interface{}
err := json.Unmarshal(data, &userInfo)
if err != nil {
logger.Exception(err, "Error decoding user profile from %s", FACEBOOK_DEFAULT_CLIENT_NAME)
if c.ErrorCallback != nil {
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Success: false,
Error: err,
}
c.ErrorCallback(&response)
}
if c.RedirectOnError {
http.Redirect(w, r, c.errorRedirectPath, http.StatusTemporaryRedirect)
}
return
}
fmt.Println(userInfo)
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Claims: make(map[string]string),
Code: r.FormValue("code"),
CallbackState: r.FormValue("state"),
}
response.Claims[adapters.CLAIM_EMAIL] = userInfo["email"].(string)
response.Claims[adapters.CLAIM_FAMILY_NAME] = userInfo["last_name"].(string)
response.Claims[adapters.CLAIM_GIVEN_NAME] = userInfo["first_name"].(string)
response.Claims[adapters.CLAIM_NAME] = userInfo["name"].(string)
if userInfo["picture"] != nil {
pictureInfo := userInfo["picture"].(map[string]interface{})
pictureInfoData := pictureInfo["data"].(map[string]interface{})
response.Claims[adapters.CLAIM_PROFILE_PICTURE] = pictureInfoData["url"].(string)
}
err = c.LoggedInCallback(&response)
if err != nil {
logger.Exception(err, "error on callback")
if c.ErrorCallback != nil {
response := adapters.OAuth2CallbackResponse{
State: adapters.OpenIdCallbackStateLoggedIn,
Success: false,
Error: err,
}
c.ErrorCallback(&response)
}
if c.RedirectOnError {
http.Redirect(w, r, c.errorRedirectPath, http.StatusTemporaryRedirect)
}
}
}
if c.RedirectOnSuccess {
http.Redirect(w, r, c.loggedInRedirectPath, http.StatusTemporaryRedirect)
}
}
}