From 2645f9c733fcab7491238c88a27826fb090aa6b0 Mon Sep 17 00:00:00 2001
From: Hannah Isopod <me@bathynomus.xyz>
Date: Wed, 25 Jun 2025 21:40:34 -0600
Subject: guestbook reflects .well-known/button in your site also: - moved
 johnvertisement and mothverisement to landing   page - minor css fixes and
 other routine updates

---
 guestbook/submit.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'guestbook/submit.php')

diff --git a/guestbook/submit.php b/guestbook/submit.php
index 0e53fb3..bb745a2 100644
--- a/guestbook/submit.php
+++ b/guestbook/submit.php
@@ -52,6 +52,38 @@ error_reporting(E_ALL);
         $returnCode = "review";
       }
 
+      $button = ""; // URL for the submitter's .well-known/button.json
+      if($_POST["website"]) {
+        $buttonjson = "";
+        $buttonjsonurl = 'https://'.parse_url($_POST["website"], PHP_URL_HOST).'/.well-known/button.json';
+
+        $ch = curl_init($buttonjsonurl);
+
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_HEADER, 0);
+
+        $buttonjson = curl_exec($ch);
+        if(curl_error($ch)) {
+          //echo curl_error($ch);
+          $buttonjson = "";
+        }
+        curl_close($ch);
+        
+        if($buttonjson) {
+          $buttonobj = json_decode($buttonjson);
+          if($buttonobj->default) {
+            foreach ($buttonobj->buttons as $btn) {
+              if($btn->id === $buttonobj->default) {
+                $button = $btn->uri;
+                break;
+              }
+            }
+          } else {
+            $button = $buttonobj->buttons[0]->uri;
+          }
+        }
+      }
+
       $currentPost = array(
         "entry" => $_POST["entry"],
         "sourceip" => $sourceip,
@@ -61,6 +93,7 @@ error_reporting(E_ALL);
 
         "found" => $_POST["found"],
         "website" => $_POST["website"],
+        "button" => $button,
         "cool" => $_POST["cool"],
         "reply" => "",
         "modstatus" => $modstatus
-- 
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