From 77ef004d5ac39e6f2276deaee0b7298fef27819f Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sun, 24 Jul 2022 16:35:06 +0300
Subject: add configuration variables

---
 init.php | 55 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 39 insertions(+), 16 deletions(-)

(limited to 'init.php')

diff --git a/init.php b/init.php
index 4ed6c78..4ac8004 100644
--- a/init.php
+++ b/init.php
@@ -9,6 +9,11 @@ class Auth_OIDC extends Auth_Base {
 	 * TTRSS_AUTH_OIDC_POST_LOGOUT_URL=http://127.0.0.1/logout-redirect
 	 */
 	const AUTH_OIDC_POST_LOGOUT_URL = "AUTH_OIDC_POST_LOGOUT_URL";
+	const AUTH_OIDC_NAME = "AUTH_OIDC_NAME";
+	const AUTH_OIDC_URL = "AUTH_OIDC_URL";
+	const AUTH_OIDC_CLIENT_ID = "AUTH_OIDC_CLIENT_ID";
+	const AUTH_OIDC_CLIENT_SECRET = "AUTH_OIDC_CLIENT_SECRET";
+
 
 	/** @var PluginHost $host */
 	private $host;
@@ -21,35 +26,46 @@ class Auth_OIDC extends Auth_Base {
 	}
 
 	function init($host) {
-		$host->add_hook($host::HOOK_AUTH_USER, $this);
-
 		Config::add(self::AUTH_OIDC_POST_LOGOUT_URL, "", Config::T_STRING);
+		Config::add(self::AUTH_OIDC_NAME, "", Config::T_STRING);
+		Config::add(self::AUTH_OIDC_URL, "", Config::T_STRING);
+		Config::add(self::AUTH_OIDC_CLIENT_ID, "", Config::T_STRING);
+		Config::add(self::AUTH_OIDC_CLIENT_SECRET, "", Config::T_STRING);
+
+		if (Config::get(self::AUTH_OIDC_URL)) {
+			$host->add_hook($host::HOOK_AUTH_USER, $this);
+			$host->add_hook($host::HOOK_LOGINFORM_ADDITIONAL_BUTTONS, $this);
 
-		if (Config::get(self::AUTH_OIDC_POST_LOGOUT_URL) != "") {
-			$host->add_hook($host::HOOK_POST_LOGOUT, $this);
+			if (Config::get(self::AUTH_OIDC_POST_LOGOUT_URL) != "")
+				$host->add_hook($host::HOOK_POST_LOGOUT, $this);
 		}
 
 		$this->host = $host;
 	}
 
 	function is_public_method($method) {
-		return $method == "callback";
+		return $method == "oidc_login";
 	}
 
-	function callback() {
-		print "IN_CALLBACK";
-		die;
+	public function oidc_login() : void {
+		$oidc = new OpenIDConnectClient(Config::get(self::AUTH_OIDC_URL),
+			Config::get(self::AUTH_OIDC_CLIENT_ID),
+			Config::get(self::AUTH_OIDC_CLIENT_SECRET));
+
+		$oidc->setRedirectURL(Config::get_self_url());
+		$oidc->addScope(['openid', 'profile', 'email']);
+		$oidc->authenticate();
 	}
 
 	function authenticate($login, $password, $service = '') {
-		$oidc = new OpenIDConnectClient('https://auth.fakecake.org',
-                                'dev-debian-ttrss',
-                                'Bu3vuCi0wBeQteJ7di4H6SKgqvYnpSludEP68SHu9wLekxXl');
+		if (!($_SESSION['uid'] ?? false) && ($_REQUEST['code'] ?? false)) {
 
-		if (!($_SESSION['uid'] ?? false)) {
-			$oidc->setRedirectURL(Config::get_self_url());
+			$oidc = new OpenIDConnectClient(Config::get(self::AUTH_OIDC_URL),
+				Config::get(self::AUTH_OIDC_CLIENT_ID),
+				Config::get(self::AUTH_OIDC_CLIENT_SECRET));
 
 			try {
+				$oidc->setRedirectURL(Config::get_self_url());
 				$oidc->addScope(['openid', 'profile', 'email']);
 				$oidc->authenticate();
 
@@ -58,7 +74,6 @@ class Auth_OIDC extends Auth_Base {
 				$user_id = $this->auto_create_user($login, $password);
 
 				if ($user_id) {
-
 					$name = $oidc->requestUserInfo("name");
 
 					if ($name) {
@@ -77,14 +92,22 @@ class Auth_OIDC extends Auth_Base {
 				return $user_id;
 
 			} catch (Exception $e) {
-				var_dump($e);
-				die;
+				$_SESSION["login_error_msg"] = 'OIDC: ' . $e->getMessage();
 			}
 		}
 
 		return false;
 	}
 
+	function get_login_js() {
+		return file_get_contents(__DIR__ . "/init.js");
+	}
+
+	function hook_loginform_additional_buttons() {
+		print \Controls\button_tag(T_sprintf('Log in with %s', Config::get(self::AUTH_OIDC_NAME)), '',
+			['class' => '', 'onclick' => 'Plugins.Auth_OIDC.login("'.htmlspecialchars($this->host->get_public_method_url($this, "oidc_login")).'")']);
+	}
+
 	function hook_post_logout($login, $user_id) {
 		return [
 			Config::get(self::AUTH_OIDC_POST_LOGOUT_URL)
-- 
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