From c452c325278599cf53ba7fcf59f917a24a03fb53 Mon Sep 17 00:00:00 2001
From: Jb Lm <lemetayer.jb@gmail.com>
Date: Thu, 31 Mar 2022 12:15:26 +0200
Subject: [PATCH] add /signature/@hash/pdf route for concatenation of multiple
 signature

---
 app.php | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/app.php b/app.php
index 1b054cf..208952c 100644
--- a/app.php
+++ b/app.php
@@ -185,4 +185,30 @@ $f3->route('POST /organize',
     }
 );
 
-return $f3;
\ No newline at end of file
+$f3->route('GET /signature/@hash/pdf',
+    function($f3) {
+        $targetDir = $f3->get('STORAGE').$f3->get('PARAMS.hash');
+        $files = array_diff(scandir($targetDir), array('..', '.'));;
+        $original = null;
+        $originalFilename = null;
+        $layers = [];
+        foreach($files as $file) {
+            if (strpos($file, 'svg.pdf') === false) {
+                $original = $targetDir.'/'.$file;
+                $originalFilename = $file;
+            } else {
+                $layers[] = $targetDir.'/'.$file;
+            }
+        }
+        if (!$original) {
+            $f3->error(404);
+        }
+        if (!$layers||1==1) {
+            Web::instance()->send($original, null, 0, TRUE, str_replace('.pdf', '_signe.pdf', $originalFilename));
+        }
+        shell_exec(sprintf("pdftk %s multibackground %s output %s", implode(' ', $layers), $original, str_replace('.pdf', '_signe.pdf', $original)));
+        Web::instance()->send(str_replace('.pdf', '_signe.pdf', $original), null, 0, TRUE, str_replace('.pdf', '_signe.pdf', $originalFilename));
+    }
+);
+
+return $f3;