Improved help message for URL upload

* Hide notice about max size if it's equal to max size of regular uploads.

* Show notice about DuckDuckGo's proxy if it's turned on.

* Also updated description in config.sample.js to further emphasize about the limitation of using DuckDuckGo's proxy.

config.sample.js

@@ -120,7 +120,8 @@ module.exports = {
     /*
       Use DuckDuckGo's proxy when fetching any URL uploads.
       This may be considered a hack and not supported by DuckDuckGo, so USE AT YOUR OWN RISK.
-      This have only been tested with pictures, GIFs, WEBMs and MP4s.
+      This should work with any type of URLs, but they have to be direct links,
+      since DuckDuckGo's proxy will not follow redirects.
     */
     urlDuckDuckGoProxy: false,
 

lolisafe.js

@@ -68,8 +68,10 @@ for (const page of config.pages) {
     }))
   } else if (page === 'home') {
     safe.get('/', (req, res, next) => res.render('home', {
+      maxSize: config.uploads.maxSize,
       urlMaxSize: config.uploads.urlMaxSize,
-      gitHash: safe.get('git-hash')
+      gitHash: safe.get('git-hash'),
+      urlDuckDuckGoProxy: config.uploads.urlDuckDuckGoProxy
     }))
   } else if (page === 'faq') {
     const fileLength = config.uploads.fileLength

views/home.njk

@@ -71,7 +71,15 @@
               <div class="control">
                 <textarea id="urls" class="textarea" rows="2"></textarea>
               </div>
-              <p class="help">Maximum file size for URL upload is {{ urlMaxSize }}.</p>
+              <p class="help">
+                {% if urlMaxSize !== maxSize -%}
+                Maximum file size for URL upload is <span style="font-weight: bold">{{ urlMaxSize }}</span>.
+                {%- endif %}
+                {%- if urlMaxSize and urlMaxSize !== maxSize and urlDuckDuckGoProxy %}<br>{% endif -%}
+                {%- if urlDuckDuckGoProxy %}
+                Since we're using DuckDuckGo's proxy, the URLs have to be direct links.
+              {% endif -%}
+              </p>
             </div>
             <div class="field">
               <div class="control is-expanded">