feat: add oidc support (#1725)

* feat: add the ui for configuring the third-party standard OAuth2.0/OIDC.

- update SystemSetting.js
- add setup ui
- add configuration

* feat: add the ui for "allow the OAuth 2.0 to login"

- update SystemSetting.js

* feat: add OAuth 2.0 web ui and its process functions

- update common.js
- update AuthLogin.js
- update config.js

* fix: missing "Userinfo" endpoint configuration entry, used by OAuth clients to request user information from the IdP.

- update config.js
- update SystemSetting.js

* feat: updated the icons for Lark and OIDC to match the style of the icons for WeChat, EMail, GitHub.

- update lark.svg
- new oidc.svg

* refactor: Changing OAuth 2.0 to OIDC

* feat: add OIDC login method

* feat: Add support for OIDC login to the backend

* fix: Change the AppId and AppSecret on the Web UI to the standard usage: ClientId, ClientSecret.

* feat: Support quick configuration of OIDC through Well-Known Discovery Endpoint

* feat: Standardize terminology, add well-known configuration

- Change the AppId and AppSecret on the Server End to the standard usage: ClientId, ClientSecret.
- add Well-Known configuration to store in database, no actual use in server end but store and display in web ui only

common/config/config.go

@@ -35,6 +35,7 @@ var PasswordLoginEnabled = true
 var PasswordRegisterEnabled = true
 var EmailVerificationEnabled = false
 var GitHubOAuthEnabled = false
+var OidcEnabled = false
 var WeChatAuthEnabled = false
 var TurnstileCheckEnabled = false
 var RegisterEnabled = true
@@ -70,6 +71,13 @@ var GitHubClientSecret = ""
 var LarkClientId = ""
 var LarkClientSecret = ""
 
+var OidcClientId = ""
+var OidcClientSecret = ""
+var OidcWellKnown = ""
+var OidcAuthorizationEndpoint = ""
+var OidcTokenEndpoint = ""
+var OidcUserinfoEndpoint = ""
+
 var WeChatServerAddress = ""
 var WeChatServerToken = ""
 var WeChatAccountQRCodeImageURL = ""