From 1e12432ba12b5056904a39115cc461c0de51f51d Mon Sep 17 00:00:00 2001
From: Nikhil M Warrier <nikhilmwarrier@disroot.org>
Date: Sat, 5 Sep 2026 21:50:53 +0530
Subject: Display README.md of current folder via Marked + DOMPurify

- Vendor marked v15.0.12 and DOMPurify 3.4.14 into assets/vendor/
- Fetch README.md from the current directory when listed, render
  markdown, sanitize with DOMPurify, and show in a themed panel
- Style the rendered markdown with existing design tokens
---
 assets/index.css            | 128 ++++++++++++++++++++++++++++++++++++++++++++
 assets/index.html           |   3 ++
 assets/index.js             |  17 ++++++
 assets/vendor/marked.min.js |  69 ++++++++++++++++++++++++
 assets/vendor/purify.min.js |   3 ++
 5 files changed, 220 insertions(+)
 create mode 100644 assets/vendor/marked.min.js
 create mode 100644 assets/vendor/purify.min.js

diff --git a/assets/index.css b/assets/index.css
index 7457d0f..6862df0 100644
--- a/assets/index.css
+++ b/assets/index.css
@@ -183,6 +183,134 @@ svg {
   animation: fade-in 200ms ease-out;
 }
 
+.readme {
+  margin: 1em 0;
+  padding: 1em 1.5em;
+  background-color: var(--bg-tertiary);
+  border: 1px solid var(--border-primary);
+  border-radius: 10px;
+  box-shadow: var(--shadow-pop);
+  font-size: 0.95em;
+  line-height: 1.6;
+  overflow-wrap: break-word;
+  animation: fade-in 200ms ease-out;
+}
+
+.readme> :first-child {
+  margin-top: 0;
+}
+
+.readme> :last-child {
+  margin-bottom: 0;
+}
+
+.readme h1,
+.readme h2,
+.readme h3,
+.readme h4,
+.readme h5,
+.readme h6 {
+  margin: 1.2em 0 0.5em;
+  line-height: 1.3;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.readme h1 {
+  font-size: 1.5em;
+}
+
+.readme h2 {
+  font-size: 1.25em;
+}
+
+.readme h3 {
+  font-size: 1.1em;
+}
+
+.readme h4,
+.readme h5,
+.readme h6 {
+  font-size: 1em;
+}
+
+.readme a {
+  color: var(--text-accent);
+  text-decoration: none;
+  text-underline-offset: 2px;
+}
+
+.readme a:hover {
+  text-decoration: underline;
+}
+
+.readme ul,
+.readme ol {
+  padding-left: 1.6em;
+  margin: 0.5em 0;
+}
+
+.readme li {
+  margin: 0.25em 0;
+}
+
+.readme li> :first-child {
+  margin-top: 0;
+}
+
+.readme code {
+  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+  font-size: 0.9em;
+  background-color: var(--bg-hover);
+  border-radius: 4px;
+  padding: 0.15em 0.35em;
+}
+
+.readme pre {
+  background-color: var(--bg-secondary);
+  border: 1px solid var(--border-primary);
+  border-radius: 8px;
+  padding: 0.8em 1em;
+  overflow-x: auto;
+  margin: 0.8em 0;
+}
+
+.readme pre code {
+  background-color: transparent;
+  padding: 0;
+}
+
+.readme blockquote {
+  margin: 0.8em 0;
+  padding: 0.1em 1em;
+  border-left: 3px solid var(--border-primary);
+  color: var(--text-secondary);
+}
+
+.readme table {
+  border-collapse: collapse;
+  margin: 0.8em 0;
+  display: block;
+  overflow-x: auto;
+}
+
+.readme th,
+.readme td {
+  border: 1px solid var(--border-primary);
+  padding: 0.4em 0.8em;
+  text-align: left;
+}
+
+.readme img {
+  max-width: 100%;
+}
+
+.readme hr {
+  border: none;
+  border-top: 1px solid var(--border-primary);
+  margin: 1.2em 0;
+}
+
 .uploaders-table th {
   text-align: left;
   font-weight: unset;
diff --git a/assets/index.html b/assets/index.html
index 280101b..6d97627 100644
--- a/assets/index.html
+++ b/assets/index.html
@@ -118,6 +118,7 @@
   <div class="main">
     <div class="index-page hidden">
       <div class="empty-folder hidden"></div>
+      <div class="readme hidden"></div>
       <table class="uploaders-table hidden">
         <thead>
           <tr>
@@ -137,6 +138,8 @@
     </div>
   </div>
   <template id="index-data">__INDEX_DATA__</template>
+  <script src="__ASSETS_PREFIX__vendor/marked.min.js"></script>
+  <script src="__ASSETS_PREFIX__vendor/purify.min.js"></script>
   <script src="__ASSETS_PREFIX__index.js"></script>
 </body>
 
diff --git a/assets/index.js b/assets/index.js
index f15ce9c..41df7b3 100644
--- a/assets/index.js
+++ b/assets/index.js
@@ -135,6 +135,7 @@ async function ready() {
   $pathsTableBody = document.querySelector(".paths-body");
   $uploadersTable = document.querySelector(".uploaders-table");
   $emptyFolder = document.querySelector(".empty-folder");
+  $readme = document.querySelector(".readme");
   $editor = document.querySelector(".editor");
   $loginBtn = document.querySelector(".login-btn");
   $logoutBtn = document.querySelector(".logout-btn");
@@ -399,6 +400,22 @@ async function setupIndexPage() {
   if (DATA.user) {
     setupDownloadWithToken();
   }
+
+  await setupReadme();
+}
+
+async function setupReadme() {
+  if (typeof marked === "undefined" || typeof DOMPurify === "undefined") return;
+  if (!DATA.paths.some(p => p.name === "README.md")) return;
+  try {
+    const res = await fetch(newUrl("README.md"));
+    if (!res.ok) return;
+    const text = await res.text();
+    $readme.innerHTML = DOMPurify.sanitize(marked.parse(text));
+    $readme.classList.remove("hidden");
+  } catch (e) {
+    // readme is best-effort; hide silently on any failure
+  }
 }
 
 /**
diff --git a/assets/vendor/marked.min.js b/assets/vendor/marked.min.js
new file mode 100644
index 0000000..b4e0d73
--- /dev/null
+++ b/assets/vendor/marked.min.js
@@ -0,0 +1,69 @@
+/**
+ * marked v15.0.12 - a markdown parser
+ * Copyright (c) 2011-2025, Christopher Jeffrey. (MIT Licensed)
+ * https://github.com/markedjs/marked
+ */
+
+/**
+ * DO NOT EDIT THIS FILE
+ * The code in this file is generated from files in ./src/
+ */
+(function(g,f){if(typeof exports=="object"&&typeof module<"u"){module.exports=f()}else if("function"==typeof define && define.amd){define("marked",f)}else {g["marked"]=f()}}(typeof globalThis < "u" ? globalThis : typeof self < "u" ? self : this,function(){var exports={};var __exports=exports;var module={exports};
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+`}hr(e){return`<hr>
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+`}listitem(e){let t="";if(e.task){let n=this.checkbox({checked:!!e.checked});e.loose?e.tokens[0]?.type==="paragraph"?(e.tokens[0].text=n+" "+e.tokens[0].text,e.tokens[0].tokens&&e.tokens[0].tokens.length>0&&e.tokens[0].tokens[0].type==="text"&&(e.tokens[0].tokens[0].text=n+" "+R(e.tokens[0].tokens[0].text),e.tokens[0].tokens[0].escaped=!0)):e.tokens.unshift({type:"text",raw:n+" ",text:n+" ",escaped:!0}):t+=n+" "}return t+=this.parser.parse(e.tokens,!!e.loose),`<li>${t}</li>
+`}checkbox({checked:e}){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox">'}paragraph({tokens:e}){return`<p>${this.parser.parseInline(e)}</p>
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+<thead>
+`+t+`</thead>
+`+s+`</table>
+`}tablerow({text:e}){return`<tr>
+${e}</tr>
+`}tablecell(e){let t=this.parser.parseInline(e.tokens),n=e.header?"th":"td";return(e.align?`<${n} align="${e.align}">`:`<${n}>`)+t+`</${n}>
+`}strong({tokens:e}){return`<strong>${this.parser.parseInline(e)}</strong>`}em({tokens:e}){return`<em>${this.parser.parseInline(e)}</em>`}codespan({text:e}){return`<code>${R(e,!0)}</code>`}br(e){return"<br>"}del({tokens:e}){return`<del>${this.parser.parseInline(e)}</del>`}link({href:e,title:t,tokens:n}){let s=this.parser.parseInline(n),i=V(e);if(i===null)return s;e=i;let r='<a href="'+e+'"';return t&&(r+=' title="'+R(t)+'"'),r+=">"+s+"</a>",r}image({href:e,title:t,text:n,tokens:s}){s&&(n=this.parser.parseInline(s,this.parser.textRenderer));let i=V(e);if(i===null)return R(n);e=i;let r=`<img src="${e}" alt="${n}"`;return t&&(r+=` title="${R(t)}"`),r+=">",r}text(e){return"tokens"in e&&e.tokens?this.parser.parseInline(e.tokens):"escaped"in e&&e.escaped?e.text:R(e.text)}};var _=class{strong({text:e}){return e}em({text:e}){return e}codespan({text:e}){return e}del({text:e}){return e}html({text:e}){return e}text({text:e}){return e}link({text:e}){return""+e}image({text:e}){return""+e}br(){return""}};var b=class l{options;renderer;textRenderer;constructor(e){this.options=e||w,this.options.renderer=this.options.renderer||new $,this.renderer=this.options.renderer,this.renderer.options=this.options,this.renderer.parser=this,this.textRenderer=new _}static parse(e,t){return new l(t).parse(e)}static parseInline(e,t){return new l(t).parseInline(e)}parse(e,t=!0){let n="";for(let s=0;s<e.length;s++){let i=e[s];if(this.options.extensions?.renderers?.[i.type]){let o=i,a=this.options.extensions.renderers[o.type].call({parser:this},o);if(a!==!1||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(o.type)){n+=a||"";continue}}let r=i;switch(r.type){case"space":{n+=this.renderer.space(r);continue}case"hr":{n+=this.renderer.hr(r);continue}case"heading":{n+=this.renderer.heading(r);continue}case"code":{n+=this.renderer.code(r);continue}case"table":{n+=this.renderer.table(r);continue}case"blockquote":{n+=this.renderer.blockquote(r);continue}case"list":{n+=this.renderer.list(r);continue}case"html":{n+=this.renderer.html(r);continue}case"paragraph":{n+=this.renderer.paragraph(r);continue}case"text":{let o=r,a=this.renderer.text(o);for(;s+1<e.length&&e[s+1].type==="text";)o=e[++s],a+=`
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+
+if(__exports != exports)module.exports = exports;return module.exports}));
diff --git a/assets/vendor/purify.min.js b/assets/vendor/purify.min.js
new file mode 100644
index 0000000..82dce63
--- /dev/null
+++ b/assets/vendor/purify.min.js
@@ -0,0 +1,3 @@
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