From f334479db34f7133832a8f15077eef27fdfe89af Mon Sep 17 00:00:00 2001
From: LiCaoZ <admin@licaoz.com>
Date: Fri, 21 Jul 2023 00:21:13 +0800
Subject: =?UTF-8?q?feat:=20=E6=94=AF=E6=8C=81=E8=87=AA=E5=AE=9A=E4=B9=89?=
 =?UTF-8?q?=20Gravatar=20CDN=20(#35)=20(#37)?=
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* feat: Gravatar 支持自订镜像

* feat: 支持自定义 Gravatar CDN  (#35)
---
 libs/Comments.php | 9 ++++++++-
 libs/Options.php  | 5 +++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/libs/Comments.php b/libs/Comments.php
index 52a7c6a..96c03f3 100644
--- a/libs/Comments.php
+++ b/libs/Comments.php
@@ -42,7 +42,14 @@ Class Comments {
     {
         //MD5 EMail
         $email = md5($email);
-        $avatar = 'https://cravatar.cn/avatar/' . $email . '?s=' . $size;
+
+        // 如果配置了 CustomGravatarCDN，则用 CustomGravatarCDN 拼接
+        if (Helper::options()->CustomGravatarCDN) {
+            $avatar = Helper::options()->CustomGravatarCDN . $email . '?s=' . $size;
+        } // 否则，使用 Cravatar
+        else {
+            $avatar = 'https://cravatar.cn/avatar/' . $email . '?s=' . $size;
+        }
 
         return $avatar;
     }
diff --git a/libs/Options.php b/libs/Options.php
index d8394df..06aadcb 100644
--- a/libs/Options.php
+++ b/libs/Options.php
@@ -90,6 +90,11 @@ function themeConfig($form) {
     ')
     );
     $form->addInput($categoryNav->addRule('required', _t('此处必须设置')));
+    // Gravatar CDN
+    $CustomGravatarCDN = new Typecho_Widget_Helper_Form_Element_Text('CustomGravatarCDN', NULL, NULL, _t('自定义评论头像 Gravatar CDN'), _t('
+    <p class="description">在此处填入你期望使用的 Gravatar CDN 链接，形如 <code>https://cravatar.cn/avatar/</code></p>
+    <p class="description">留空则使用 <a rel="nofollow noreferrer" target="_blank" href="https://cravatar.cn/">Cravatar</a></p>'));
+    $form->addInput($CustomGravatarCDN);
 
     /**
      * 附加功能
-- 
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