From b9b9f483f54365ecb88572690f308a29d26da31c Mon Sep 17 00:00:00 2001
From: Romain d'Alverny <rdalverny@gmail.com>
Date: Fri, 14 Jan 2022 19:10:00 +0100
Subject: Import OPML file directly in admin

Allows to backup/restore a full opml list.

Maybe related to moonmoon/moonmoon#67.
---
 admin/index.php         | 14 ++++++++++++++
 admin/subscriptions.php | 10 +++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/admin/index.php b/admin/index.php
index 153c2ad..76ebb25 100755
--- a/admin/index.php
+++ b/admin/index.php
@@ -127,6 +127,20 @@ ob_start();
                 </table>
                 </form>
             </div>
+
+            <div class="widget">
+                <h3><?=_g('Upload OPML file')?></h3>
+                <form action="subscriptions.php" method="post" id="opmlimport" enctype="multipart/form-data">
+                    <p>Beware! This will totally erase and replace the list of your feeds just above.</p>
+                    <fieldset>
+                        <label for="url"><?=_g('File:')?></label>
+                        <input type="file" class="text" name="opml" id="opml" class="text" size="50" />
+                        <input type="submit" class="submit add" name="upload" value="<?=_g('Upload OPML file and replace existing feeds')?>" />
+                    </fieldset>
+                    <input type="hidden" value="<?php echo $csrf->generate('feedmanage'); ?>" name="_csrf">
+                </form>
+            </div>
+
 <?php
 $page_content = ob_get_contents();
 ob_end_clean();
diff --git a/admin/subscriptions.php b/admin/subscriptions.php
index 76980f4..2e07f17 100755
--- a/admin/subscriptions.php
+++ b/admin/subscriptions.php
@@ -14,7 +14,15 @@ if (!$csrf->verify($_POST['_csrf'], 'feedmanage')) {
 
 $opmlFile = $PlanetConfig->getOpmlFile();
 
-if (isset($_POST['opml']) || isset($_POST['add'])) {
+if (isset($_POST['upload']) &&
+    isset($_FILES['opml']) &&
+    is_uploaded_file($_FILES['opml']['tmp_name']) &&
+    $_FILES['opml']['size'] > 0) {
+    OpmlManager::backup($opmlFile);
+    $newOpml = new Opml();
+    $newOpml->parse(file_get_contents($_FILES['opml']['tmp_name']));
+    OpmlManager::save($newOpml, $opmlFile);
+} elseif (isset($_POST['opml']) || isset($_POST['add'])) {
     // Load old OPML
     $oldOpml = OpmlManager::load($opmlFile);
     if ($PlanetConfig->getName() === '') {
-- 
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