From 4a52a653e418f85fb585d1ed5e0122f941fed06a Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@icinga.com>
Date: Thu, 20 Jul 2023 16:04:07 +0200
Subject: [PATCH] js: Always load redirects to their designated target

The server applies the redirection magic now, but only
for compatibility reasons.

resolves #4881
---
 library/Icinga/Web/Response.php | 21 ++++++++++++++++++---
 public/js/icinga/loader.js      | 15 +++++----------
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/library/Icinga/Web/Response.php b/library/Icinga/Web/Response.php
index df0b842d54..7772b3d6d9 100644
--- a/library/Icinga/Web/Response.php
+++ b/library/Icinga/Web/Response.php
@@ -315,14 +315,29 @@ public function json()
      */
     protected function prepare()
     {
+        $request = $this->getRequest();
         $redirectUrl = $this->getRedirectUrl();
-        if ($this->getRequest()->isXmlHttpRequest()) {
+        if ($request->isXmlHttpRequest()) {
             if ($redirectUrl !== null) {
-                if ($this->getRequest()->isGet() && Icinga::app()->getViewRenderer()->view->compact) {
+                if ($request->isGet() && Icinga::app()->getViewRenderer()->view->compact) {
                     $redirectUrl->getParams()->set('showCompact', true);
                 }
 
-                $this->setHeader('X-Icinga-Redirect', rawurlencode($redirectUrl->getAbsoluteUrl()), true);
+                $encodedRedirectUrl = rawurlencode($redirectUrl->getAbsoluteUrl());
+
+                // TODO: Compatibility only. Remove once v2.14 is out.
+                $targetId = $request->getHeader('X-Icinga-Container');
+                if ($request->isPost() && $targetId === 'col2' && $request->getHeader('X-Icinga-Col2-State')) {
+                    $col1State = Url::fromPath($request->getHeader('X-Icinga-Col1-State'));
+                    $col2State = Url::fromPath($request->getHeader('X-Icinga-Col2-State'));
+                    if ($col2State->getPath() !== $redirectUrl->getPath()
+                        && $col1State->getPath() === $redirectUrl->getPath()
+                    ) {
+                        $encodedRedirectUrl = '__CLOSE__';
+                    }
+                }
+
+                $this->setHeader('X-Icinga-Redirect', $encodedRedirectUrl, true);
                 if ($this->getRerenderLayout()) {
                     $this->setHeader('X-Icinga-Rerender-Layout', 'yes', true);
                 }
diff --git a/public/js/icinga/loader.js b/public/js/icinga/loader.js
index c86736df29..018bc5dc4a 100644
--- a/public/js/icinga/loader.js
+++ b/public/js/icinga/loader.js
@@ -294,6 +294,11 @@
                 headers['X-Icinga-Autorefresh'] = '1';
             }
 
+            if ($target.is('#col2')) {
+                headers['X-Icinga-Col1-State'] = this.icinga.history.getCol1State();
+                headers['X-Icinga-Col2-State'] = this.icinga.history.getCol2State().replace(/^#!/, '');
+            }
+
             // Ask for a new window id in case we don't already have one
             if (this.icinga.ui.hasWindowId()) {
                 var windowId = this.icinga.ui.getWindowId();
@@ -677,16 +682,6 @@
                     this.loadUrl(parts.shift(), $('#col1'));
                     this.loadUrl(parts.shift(), $('#col2'));
                 } else {
-                    if ($target.attr('id') === 'col2') { // TODO: multicol
-                        if (($target.data('icingaUrl') || '').split('?')[0] === url.split('?')[0]) {
-                            // Don't do anything in this case
-                        } else if ($('#col1').data('icingaUrl').split('?')[0] === url.split('?')[0]) {
-                            icinga.ui.layout1col();
-                            $target = $('#col1');
-                            delete(this.requests['col2']);
-                        }
-                    }
-
                     var req = this.loadUrl(url, $target);
                     req.forceFocus = url === origin ? forceFocus : null;
                     req.autoRefreshInterval = autoRefreshInterval;