From 7a4ff2cd787c26e2ac7c12ef2d2ae75b9aabd997 Mon Sep 17 00:00:00 2001
From: Knah Tsaeb <Knah-Tsaeb@knah-tsaeb.org>
Date: Tue, 13 Feb 2018 11:41:56 +0100
Subject: [PATCH] Add thumbshot key

---
 plugins/myShaarli/myShaarli.meta |  4 +++-
 plugins/myShaarli/myShaarli.php  | 12 ++++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/plugins/myShaarli/myShaarli.meta b/plugins/myShaarli/myShaarli.meta
index 1db23d8f..8c6f7873 100644
--- a/plugins/myShaarli/myShaarli.meta
+++ b/plugins/myShaarli/myShaarli.meta
@@ -1,2 +1,4 @@
 description="For each link, add thumbshot image and favicon"
-parameters=ExternalThumbshot_URL;
+parameters="ExternalThumbshot_URL;ExternalThumbshot_KEY"
+parameter.ExternalThumbshot_URL="Thumshot service URL"
+parameter.ExternalThumbshot_KEY="Thumbshot key (key are hash with hash_hmac('sha1', $url, $key))"
diff --git a/plugins/myShaarli/myShaarli.php b/plugins/myShaarli/myShaarli.php
index 23c8d837..bc72b892 100644
--- a/plugins/myShaarli/myShaarli.php
+++ b/plugins/myShaarli/myShaarli.php
@@ -37,6 +37,9 @@
 function hook_myShaarli_render_linklist($data,$conf)
 {
     $thumUrl = $conf->get('plugins.ExternalThumbshot_URL');
+    if(!empty($conf->get('plugins.ExternalThumbshot_KEY'))){
+        $key = $conf->get('plugins.ExternalThumbshot_KEY');
+    }
     if (!isset($thumUrl)) {
         return $data;
     }
@@ -44,8 +47,13 @@ function hook_myShaarli_render_linklist($data,$conf)
     foreach ($data['links'] as &$value) {
         $thumb = computeThumbnail($conf, $value['url']);
         if(empty($thumb)){
-          //$value['thumbnail'] = '<img src="'.$thumUrl.urlencode($value['url']).'" alt="Thumbnail" width="120" height="90">';
-          $value['thumbnail'] = '<img class="b-lazy" src="#" data-src="'.$thumUrl.urlencode($value['url']).'" alt="Thumbnail" width="120" height="90">';
+            if(!empty($key)){
+                $hmac = '&amp;hm='.hash_hmac('sha1', $value['url'], $key).'&amp;url=';
+            } else {
+                $hmac = null;
+            }
+
+          $value['thumbnail'] = '<img class="b-lazy" src="#" data-src="'.$thumUrl.$hmac.urlencode($value['url']).'" alt="Thumbnail" width="120" height="90">';
         } else {
           $value['thumbnail'] = '<img class="b-lazy" src="#" data-src="'.$thumb['src'].'" alt="Thumbnail" width="120" height="90">';
         }