guestbook reflects .well-known/button in your site

also:
- moved johnvertisement and mothverisement to landing
  page
- minor css fixes and other routine updates

5 files changed, 48 insertions, 9 deletions

diff --git a/guestbook/bg.jxl b/guestbook/bg.jxl
deleted file mode 100644
index a386f5e..0000000
--- a/guestbook/bg.jxl
+++ /dev/null
diff --git a/guestbook/comments.css b/guestbook/comments.css
index 031320f..91628cf 100644
--- a/guestbook/comments.css
+++ b/guestbook/comments.css
@@ -12,7 +12,7 @@ form > table {
   margin-bottom: 1.5rem;
 }
 
-article {
+.comment {
   width: 100%;
   margin: 2rem auto;
   display: grid;
@@ -24,7 +24,7 @@ article {
     'gb-message gb-message gb-message'
     'gb-reply gb-reply gb-reply';
 }
-article :is(h1,h2,h3,h4,h5,h6) {
+.comment :is(h1,h2,h3,h4,h5,h6) {
   border: none;
   padding-left: initial;
 }
@@ -86,7 +86,7 @@ input[type="submit"]:hover, input[type="reset"]:hover {
 .gb-index {
   text-align: right;
 }
-.gb-cool {
+.gb-cool, .gb-found {
   word-break: break-all;
 }
 .gb-name, .gb-date, .gb-index {
@@ -105,11 +105,11 @@ input[type="submit"]:hover, input[type="reset"]:hover {
     border: 2px solid #00000033;
     border-bottom: 2px solid #888888;
   }
-  article {
+  .comment {
     margin: 2rem auto;
   }
   @media (max-width: 43rem) {
-    article {
+    .comment {
       grid-template-areas:
         'gb-name gb-name gb-index'
         'gb-date gb-date gb-date'
diff --git a/guestbook/comments.php b/guestbook/comments.php
index 3f65fb9..432c1d2 100644
--- a/guestbook/comments.php
+++ b/guestbook/comments.php
@@ -18,13 +18,19 @@ function echo_comments($page, $Parsedown = null) {
       $message = $Parsedown->text($post->message);
       $found = htmlentities($post->found);
       $website = $post->website;
+      $button = $post->button;
       $cool = $post->cool;
       $coolsanitized = htmlentities(preg_replace("/https?:\/\//i", "", $cool));
       $reply = $Parsedown->text($post->reply);
 
-      $output = $output."<hr><article><div style='grid-area:gb-name;' class='gb-name'>";
-      if($website) { $output = $output."<a href='$website'>$name</a>"; }
-      else { $output = $output.$name; }
+      $output = $output."<hr><article class='comment'><div style='grid-area:gb-name;' class='gb-name'>";
+      if($website) { 
+        if($button) {
+          $output = $output."<a href='$website'><img src='$button' alt='$name'/></a>";
+        } else {
+          $output = $output."<a href='$website'>$name</a>";
+        }
+      } else { $output = $output.$name; }
       $output = $output."</div><div style='grid-area:gb-date;' class='gb-date'>$date</div><div style='grid-area:gb-index;' class='gb-index'>Entry #$index</div>";
       if($cool) {
         $output = $output."<div style='grid-area:gb-cool;' class='gb-cool'><b>cool thing</b>: <a href='$cool'>$coolsanitized</a></div>";
diff --git a/guestbook/index.php b/guestbook/index.php
index 8908e25..299bf96 100644
--- a/guestbook/index.php
+++ b/guestbook/index.php
@@ -22,7 +22,7 @@ error_reporting(E_ALL);
     <?php include($_SERVER['DOCUMENT_ROOT'] . '/nav.php'); bg();
           include($_SERVER['DOCUMENT_ROOT'] . '/common.php'); ?>
     <h1>guestbook</h1>
-    <h2 id="caption">say hi!</h2>
+    <h2 id="caption">say hi</h2>
     <nav>
       <a href="feed.php">RSS</a>
     </nav>
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