[#335] added Discord OAuth2 provider

apis/settings_test.go

@@ -52,6 +52,7 @@ func TestSettingsList(t *testing.T) {
 				`"facebookAuth":{`,
 				`"githubAuth":{`,
 				`"gitlabAuth":{`,
+				`"discordAuth":{`,
 				`"secret":"******"`,
 				`"clientSecret":"******"`,
 			},
@@ -114,6 +115,7 @@ func TestSettingsSet(t *testing.T) {
 				`"facebookAuth":{`,
 				`"githubAuth":{`,
 				`"gitlabAuth":{`,
+				`"discordAuth":{`,
 				`"secret":"******"`,
 				`"clientSecret":"******"`,
 				`"appName":"Acme"`,
@@ -166,6 +168,7 @@ func TestSettingsSet(t *testing.T) {
 				`"facebookAuth":{`,
 				`"githubAuth":{`,
 				`"gitlabAuth":{`,
+				`"discordAuth":{`,
 				`"secret":"******"`,
 				`"clientSecret":"******"`,
 				`"appName":"update_test"`,

apis/user.go

@@ -129,7 +129,7 @@ func (api *userApi) authMethods(c echo.Context) error {
 		}
 
 		state := security.RandomString(30)
-		codeVerifier := security.RandomString(30)
+		codeVerifier := security.RandomString(43)
 		codeChallenge := security.S256Challenge(codeVerifier)
 		codeChallengeMethod := "S256"
 		result.AuthProviders = append(result.AuthProviders, providerInfo{