From f9c413d85a9e04b9c4b0645936b9d9024208686b Mon Sep 17 00:00:00 2001
From: Vincent LAURENT <vince.laurent@gmail.com>
Date: Sat, 20 May 2023 02:05:24 +0200
Subject: [PATCH] Retrieving the current commit number to display it in the
 footer of each page

---
 app.php                         | 22 ++++++++++++++++++++++
 templates/metadata.html.php     |  6 +++---
 templates/organization.html.php |  6 +++---
 templates/signature.html.php    |  6 +++---
 4 files changed, 31 insertions(+), 9 deletions(-)

diff --git a/app.php b/app.php
index 32e11c0..b8d857d 100644
--- a/app.php
+++ b/app.php
@@ -10,6 +10,8 @@ $f3->set('XFRAME', null); // Allow use in an iframe
 $f3->set('ROOT', __DIR__);
 $f3->set('UI', $f3->get('ROOT')."/templates/");
 $f3->set('UPLOADS', sys_get_temp_dir()."/");
+$f3->set('COMMIT', getCommit());
+
 $f3->config(__DIR__.'/config/config.ini');
 
 if($f3->get('PDF_STORAGE_PATH') && !preg_match('|/$|', $f3->get('PDF_STORAGE_PATH'))) {
@@ -359,6 +361,26 @@ $f3->route('GET /metadata',
     }
 );
 
+function getCommit() {
+    if(!file_exists(__DIR__.'/.git/HEAD')) {
+
+        return null;
+    }
+
+    $head = str_replace(["ref: ", "\n"], "", file_get_contents(__DIR__.'/.git/HEAD'));
+    $commit = null;
+
+    if(strpos($head, "refs/") !== 0) {
+        $commit = $head;
+    }
+
+    if(file_exists(__DIR__.'/.git/'.$head)) {
+        $commit = str_replace("\n", "", file_get_contents(__DIR__.'/.git/'.$head));
+    }
+
+    return substr($commit, 0, 7);
+}
+
 function convertPHPSizeToBytes($sSize)
 {
     $sSuffix = strtoupper(substr($sSize, -1));
diff --git a/templates/metadata.html.php b/templates/metadata.html.php
index 4f525ba..c842ee1 100644
--- a/templates/metadata.html.php
+++ b/templates/metadata.html.php
@@ -7,7 +7,7 @@
 
     <link href="/vendor/bootstrap.min.css?5.1.1" rel="stylesheet">
     <link href="/vendor/bootstrap-icons.css?1.5.0" rel="stylesheet">
-    <link href="/css/app.css?202210080134" rel="stylesheet">
+    <link href="/css/app.css?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/css/app.css") ?>" rel="stylesheet">
     <link rel="icon" type="image/x-icon" href="/favicon-metadata.ico">
 
     <title>Édition des métadonnées d'un PDF</title>
@@ -45,7 +45,7 @@
             </div>
         </div>
         <footer class="text-center text-muted mb-2 fixed-bottom opacity-75">
-            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0 </span>: <a href="https://github.com/24eme/signaturepdf">voir le code source</a></small>
+            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0</span> : <a href="https://github.com/24eme/signaturepdf">voir le code source </a><?php if($COMMIT): ?> <span class="d-none d-md-inline small">[<a href="https://github.com/24eme/signaturepdf/tree/<?php echo $COMMIT ?>"><?php echo $COMMIT ?></a>]</span><?php endif; ?></small>
         </footer>
     </div>
     <div id="page-metadata" class="d-none">
@@ -102,6 +102,6 @@
     <script>
     var defaultFields = <?php echo json_encode(isset($METADATA_DEFAULT_FIELDS) ? $METADATA_DEFAULT_FIELDS : array()); ?>;
     </script>
-    <script src="/js/metadata.js?202304030148"></script>
+    <script src="/js/metadata.js?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/js/metadata.js") ?>"></script>
   </body>
 </html>
diff --git a/templates/organization.html.php b/templates/organization.html.php
index ae69acf..0eef40a 100644
--- a/templates/organization.html.php
+++ b/templates/organization.html.php
@@ -7,7 +7,7 @@
 
     <link href="/vendor/bootstrap.min.css?5.1.1" rel="stylesheet">
     <link href="/vendor/bootstrap-icons.css?1.5.0" rel="stylesheet">
-    <link href="/css/app.css?202210080134" rel="stylesheet">
+    <link href="/css/app.css?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/css/app.css") ?>" rel="stylesheet">
     <link rel="icon" type="image/x-icon" href="/favicon-organization.ico">
 
     <title>Organiser un PDF</title>
@@ -45,7 +45,7 @@
             </div>
         </div>
         <footer class="text-center text-muted mb-2 fixed-bottom opacity-75">
-            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0 </span>: <a href="https://github.com/24eme/signaturepdf">voir le code source</a></small>
+            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0</span> : <a href="https://github.com/24eme/signaturepdf">voir le code source </a><?php if($COMMIT): ?> <span class="d-none d-md-inline small">[<a href="https://github.com/24eme/signaturepdf/tree/<?php echo $COMMIT ?>"><?php echo $COMMIT ?></a>]</span><?php endif; ?></small>
         </footer>
     </div>
     <div id="page-organization" style="padding-right: 350px;" class="d-none">
@@ -157,6 +157,6 @@
     <script>
     var maxSize = <?php echo $maxSize ?>;
     </script>
-    <script src="/js/organization.js?202304040034"></script>
+    <script src="/js/organization.js?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/js/organization.js") ?>"></script>
   </body>
 </html>
diff --git a/templates/signature.html.php b/templates/signature.html.php
index ef41345..5764c22 100644
--- a/templates/signature.html.php
+++ b/templates/signature.html.php
@@ -7,7 +7,7 @@
     <meta name="description" content="Logiciel libre de signature de PDF en ligne">
     <link href="/vendor/bootstrap.min.css?5.1.1" rel="stylesheet">
     <link href="/vendor/bootstrap-icons.css?1.8.1" rel="stylesheet">
-    <link href="/css/app.css" rel="stylesheet">
+    <link href="/css/app.css?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/css/app.css") ?>" rel="stylesheet">
     <title>Signature PDF</title>
   </head>
   <body>
@@ -45,7 +45,7 @@
             </div>
         </div>
         <footer class="text-center text-muted mb-2 fixed-bottom opacity-75">
-            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0 </span>: <a href="https://github.com/24eme/signaturepdf">voir le code source</a></small>
+            <small>Logiciel libre <span class="d-none d-md-inline">sous license AGPL-3.0</span> : <a href="https://github.com/24eme/signaturepdf">voir le code source </a><?php if($COMMIT): ?> <span class="d-none d-md-inline small">[<a href="https://github.com/24eme/signaturepdf/tree/<?php echo $COMMIT ?>"><?php echo $COMMIT ?></a>]</span><?php endif; ?></small>
         </footer>
     </div>
     <div id="page-signature" style="padding-right: 350px;" class="d-none">
@@ -265,6 +265,6 @@
     hash = "<?php echo $hash ?>";
     <?php endif; ?>
     </script>
-    <script src="/js/signature.js?202304030148"></script>
+    <script src="/js/signature.js?<?php echo ($COMMIT) ? $COMMIT : filemtime($ROOT."/public/js/signature.js") ?>"></script>
   </body>
 </html>