From ccfecf6bd1f6f8ff40d76269ce3be52d4367e866 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Wed, 22 Nov 2023 17:41:42 +0100
Subject: catch non-20 response code

---
 index.php | 144 ++++++++++++++++++++++++++++++++------------------------------
 1 file changed, 74 insertions(+), 70 deletions(-)

(limited to 'index.php')

diff --git a/index.php b/index.php
index c2bb48e..069e1bc 100644
--- a/index.php
+++ b/index.php
@@ -15,86 +15,90 @@ $url['query'] ??= '';
 $client = new Client($geminiHost);
 $response = $client->request("$url[path]$url[query]");
 
-ob_start();
-$mime = explode(';', $response->getMeta())[0];
-if (strpos($mime, 'text/gemini') === 0) {
-  $parser = new Gemtext($response->getBody());
-  $lines = $parser->parse();
+if ($response->getStatusCode()->value == 20) {
+  ob_start();
+  $mime = explode(';', $response->getMeta())[0];
+  if (strpos($mime, 'text/gemini') === 0) {
+    $parser = new Gemtext($response->getBody());
+    $lines = $parser->parse();
 
-  $wasListItem = false;
-  $currentListItems = [];
-  foreach ($lines as $line) {
-    if ($wasListItem && $line['type'] !== 'listitem') {
-      echo "<ul>";
-      foreach ($currentListItems as $listItem) {
-        echo "<li>$listItem[text]</li>";
+    $wasListItem = false;
+    $currentListItems = [];
+    foreach ($lines as $line) {
+      if ($wasListItem && $line['type'] !== 'listitem') {
+        echo "<ul>";
+        foreach ($currentListItems as $listItem) {
+          echo "<li>$listItem[text]</li>";
+        }
+        echo "</ul>";
+        $wasListItem = false;
+        $currentListItems = [];
       }
-      echo "</ul>";
-      $wasListItem = false;
-      $currentListItems = [];
-    }
 
-    if ($line['type'] === 'preformatted_on') {
-      echo "<div>$line[alt]</div><pre>";
-    }
-    else if ($line['type'] === 'preformatted') {
-      echo htmlentities($line['raw']);
-    }
-    else if ($line['type'] === 'preformatted_off') {
-      echo "</pre>";
-    }
-    else if ($line['type'] === 'heading') {
-      echo "<h$line[size]>$line[text]</h$line[size]>";
-    }
-    else if ($line['type'] === 'listitem') {
-      $currentListItems[] = $line;
-      $wasListItem = true;
-    }
-    else if ($line['type'] === 'quote') {
-      echo "<blockquote>$line[text]</blockquote>";
-    }
-    else if ($line['type'] === 'link') {
-      $line['link'] = str_replace(["gemini://$geminiHost", $geminiHost], "https://$geminiHost", $line['link']);
-      $line['text'] = $line['text'] ?: $line['link'];
-      echo "<a href=\"$line[link]\">$line[text]</a>";
-    }
-    else if ($line['type'] === 'text') {
-      echo "<p>$line[text]</p>";
+      if ($line['type'] === 'preformatted_on') {
+        echo "<div>$line[alt]</div><pre>";
+      }
+      else if ($line['type'] === 'preformatted') {
+        echo htmlentities($line['raw']);
+      }
+      else if ($line['type'] === 'preformatted_off') {
+        echo "</pre>";
+      }
+      else if ($line['type'] === 'heading') {
+        echo "<h$line[size]>$line[text]</h$line[size]>";
+      }
+      else if ($line['type'] === 'listitem') {
+        $currentListItems[] = $line;
+        $wasListItem = true;
+      }
+      else if ($line['type'] === 'quote') {
+        echo "<blockquote>$line[text]</blockquote>";
+      }
+      else if ($line['type'] === 'link') {
+        $line['link'] = str_replace(["gemini://$geminiHost", $geminiHost], "https://$geminiHost", $line['link']);
+        $line['text'] = $line['text'] ?: $line['link'];
+        echo "<a href=\"$line[link]\" style=\"display: block;\">$line[text]</a>";
+      }
+      else if ($line['type'] === 'text') {
+        echo "<p>$line[text]</p>";
+      }
     }
   }
-}
 
-else if (strpos($mime, 'text') === 0) {
-  echo $response->getBody();
-}
+  else if (strpos($mime, 'text') === 0) {
+    echo $response->getBody();
+  }
 
-else if (strpos($mime, 'image') === 0) {
-  $src = "data:{$mime};base64," . base64_encode($response->getBody());
-  ?>
-  <img src="<?php echo $src; ?>">
-  <?php
-}
+  else if (strpos($mime, 'image') === 0) {
+    $src = "data:{$mime};base64," . base64_encode($response->getBody());
+    ?>
+    <img src="<?php echo $src; ?>">
+    <?php
+    }
 
-else if (strpos($mime, 'video') === 0) {
-  $src = "data:{$mime};base64," . base64_encode($response->getBody());
-  ?>
-  <video controls>
-    <source src="<?php echo $src; ?>" type="<?php echo $mime; ?>">
-  </video>
-  <?php
-}
+  else if (strpos($mime, 'video') === 0) {
+    $src = "data:{$mime};base64," . base64_encode($response->getBody());
+    ?>
+    <video controls>
+      <source src="<?php echo $src; ?>" type="<?php echo $mime; ?>">
+    </video>
+    <?php
+  }
 
-else if (strpos($mime, 'audio') === 0) {
-  $src = "data:{$mime};base64," . base64_encode($response->getBody());
-  ?>
-  <audio controls>
-    <source src="<?php echo $src; ?>" type="<?php echo $mime; ?>">
-  </audio>
-  <?php
-}
+  else if (strpos($mime, 'audio') === 0) {
+    $src = "data:{$mime};base64," . base64_encode($response->getBody());
+    ?>
+    <audio controls>
+      <source src="<?php echo $src; ?>" type="<?php echo $mime; ?>">
+    </audio>
+    <?php
+  }
 
-else {
-  echo "Unhandled MIME type: $mime";
+  else {
+    echo "Unhandled MIME type: $mime";
+  }
+} else {
+  echo $response->getHeader();
 }
 
 echo "<hr>";
-- 
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