From 87b6b35489e69af4d77ed294024f7b0b15129bf3 Mon Sep 17 00:00:00 2001
From: tdro <tdro@noreply.example.com>
Date: Mon, 10 Oct 2022 16:48:54 -0400
Subject: themes/default/layouts/shortcodes/pdf: Use object for PDF

Remove external PDF viewer in demonstration.
---
 assets/css/default.css                     | 11 +++++++++--
 config.json                                |  8 +++++---
 config.toml                                |  6 +++---
 config.yaml                                |  6 +++---
 themes/default/layouts/shortcodes/pdf.html | 14 ++++++++------
 5 files changed, 28 insertions(+), 17 deletions(-)

diff --git a/assets/css/default.css b/assets/css/default.css
index e62e569..4770202 100644
--- a/assets/css/default.css
+++ b/assets/css/default.css
@@ -429,10 +429,17 @@ q:after {
 
 object {
   width: 100%;
-  border: 1px solid #ccc;
-  border: 1px solid var(--border-lighter);
+  border: 2px solid #ccc;
+  border: 2px solid var(--border-darker);
   min-height: 16rem;
   border-radius: 0.5rem;
+  display: flex;
+  align-items: center;
+  text-align: center;
+}
+
+object p {
+  margin: 1rem;
 }
 
 details,
diff --git a/config.json b/config.json
index 8959411..b2d2ae3 100644
--- a/config.json
+++ b/config.json
@@ -134,12 +134,13 @@
         "platform.twitter.com",
         "en.m.wikipedia.org",
         "odysee.com",
-        "docs.google.com"
+        "www.gutenberg.org"
       ],
       "img-src": [
         "'self'",
         "http://preview.test",
-        "imgs.xkcd.com"
+        "imgs.xkcd.com",
+        "www.gutenberg.org"
       ],
       "manifest-src": [
         "'self'"
@@ -150,7 +151,8 @@
         "i.imgur.com"
       ],
       "object-src": [
-        "'none'"
+        "'self'",
+        "www.gutenberg.org"
       ],
       "prefetch-src": [
         "'self'"
diff --git a/config.toml b/config.toml
index 84b6aad..6da97ed 100644
--- a/config.toml
+++ b/config.toml
@@ -107,11 +107,11 @@ enableRobotsTXT = true
     default-src = ["'self'"]
     font-src = ["'self'"]
     form-action = ["'self'", "lite.duckduckgo.com"]
-    frame-src = ["'self'", "imgur.com", "www.youtube-nocookie.com", "platform.twitter.com", "en.m.wikipedia.org", "odysee.com", "docs.google.com"]
-    img-src = ["'self'", "http://preview.test", "imgs.xkcd.com"]
+    frame-src = ["'self'", "imgur.com", "www.youtube-nocookie.com", "platform.twitter.com", "en.m.wikipedia.org", "odysee.com", "www.gutenberg.org"]
+    img-src = ["'self'", "http://preview.test", "imgs.xkcd.com", "www.gutenberg.org"]
     manifest-src = ["'self'"]
     media-src = ["'self'", "raw.githubusercontent.com", "i.imgur.com"]
-    object-src = ["'none'"]
+    object-src = ["'self'", "www.gutenberg.org"]
     prefetch-src = ["'self'"]
     script-src-elem = ["'self'", "s.imgur.com", "platform.twitter.com"]
     script-src = ["'self'", "s.imgur.com", "platform.twitter.com"]
diff --git a/config.yaml b/config.yaml
index 1688d90..96beeeb 100644
--- a/config.yaml
+++ b/config.yaml
@@ -96,11 +96,11 @@ params:
     font-src: ["'self'"]
     form-action: ["'self'", lite.duckduckgo.com]
     frame-src: ["'self'", imgur.com, www.youtube-nocookie.com, platform.twitter.com,
-      en.m.wikipedia.org, odysee.com, docs.google.com]
-    img-src: ["'self'", http://preview.test, imgs.xkcd.com]
+      en.m.wikipedia.org, odysee.com, www.gutenberg.org]
+    img-src: ["'self'", http://preview.test, imgs.xkcd.com, www.gutenberg.org]
     manifest-src: ["'self'"]
     media-src: ["'self'", raw.githubusercontent.com, i.imgur.com]
-    object-src: ["'none'"]
+    object-src: ["'self'", www.gutenberg.org]
     prefetch-src: ["'self'"]
     script-src-elem: ["'self'", s.imgur.com, platform.twitter.com]
     script-src: ["'self'", s.imgur.com, platform.twitter.com]
diff --git a/themes/default/layouts/shortcodes/pdf.html b/themes/default/layouts/shortcodes/pdf.html
index 824169b..6c627b5 100644
--- a/themes/default/layouts/shortcodes/pdf.html
+++ b/themes/default/layouts/shortcodes/pdf.html
@@ -2,10 +2,12 @@
 {{- $title   := default "PDF Document"                                        (.Get "title"   | default (.Get 1)) -}}
 {{- $caption := default (print $title " ([Download](" $url "))")              (.Get "caption" | default (.Get 2)) -}}
 
-<pdf-container title="{{ $title }}">
-  <iframe loading="lazy"
-    sandbox="allow-scripts allow-presentation allow-same-origin"
-    src="https://docs.google.com/gview?url={{ $url }}&embedded=true">
-  </iframe>
+<portable-document title="{{ $title }}">
+  <object type="application/pdf" data="{{ $url }}">
+    <p>
+      Your browser does not support a <code>PDF</code> (Portable Document Format)
+      plugin. Here's a <a href="{{ $url }}">link to the PDF file</a> instead.
+    </p>
+  </object>
   <footer>{{ $caption | markdownify }}</footer>
-</pdf-container>
+</portable-document>
-- 
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