Fix js/css content type (paste)

Update README.md

Signed-off-by: Joe Ma <rikkaneko23@gmail.com>

README.md

@@ -120,6 +120,7 @@ Add `?qr=1` to enable QR code generation for paste link.
 |`qrcode`|Toggle QR code generation|
 |`paste-type`|Set paste type|
 |`title`|File's title|
+|`json`|Use JSON response|
 
 #### For raw request,
 
@@ -131,6 +132,7 @@ Add `?qr=1` to enable QR code generation for paste link.
 |`x-read-limit`|The maximum access count|
 |`x-paste-type`|Set paste type|
 |`x-qr`|Toggle QR code generation|
+|`x-json`|Use JSON response|
 
 The request body contains the upload content.
 

src/index.ts

@@ -69,54 +69,18 @@ export default {
     }
 
     if (path === '/v1' && method == 'GET') {
-      return await fetch(PASTE_WEB_URL_v1 + '/paste.html', {
+      return await proxy_uri(PASTE_WEB_URL_v1 + '/paste.html');
-        cf: {
-          cacheEverything: true,
-        },
-      }).then(value => {
-        return new Response(value.body, {
-          // Add the correct content-type to response header
-          headers: {
-            'content-type': 'text/html; charset=UTF-8;',
-            'cache-control': 'public, max-age=172800',
-          },
-        });
-      });
     }
 
     if (/\/(js|css)\/.*$/.test(path) && method == 'GET') {
-      return await fetch(PASTE_WEB_URL + path, {
+      return await proxy_uri(PASTE_WEB_URL + path);
-        cf: {
-          cacheEverything: true,
-        },
-      }).then(value => {
-        return new Response(value.body, {
-          // Add the correct content-type to response header
-          headers: {
-            'content-type': 'text/html; charset=UTF-8;',
-            'cache-control': 'public, max-age=172800',
-          },
-        });
-      });
     }
 
     if (path === '/') {
       switch (method) {
-          // Fetch the HTML for uploading text/file
         case 'GET': {
-          return await fetch(PASTE_WEB_URL + '/paste.html', {
+          // Fetch the HTML for uploading text/file
-            cf: {
+          return await proxy_uri(PASTE_WEB_URL + '/paste.html');
-              cacheEverything: true,
-            },
-          }).then(value => {
-            return new Response(value.body, {
-              // Add the correct content-type to response header
-              headers: {
-                'content-type': 'text/html; charset=UTF-8;',
-                'cache-control': 'public, max-age=172800',
-              },
-            });
-          });
         }
 
         // Create new paste
@@ -636,6 +600,27 @@ function to_human_readable_size(bytes: number): string {
   return size;
 }
 
+// Proxy URI (limit to html/js/css)
+async function proxy_uri(path: string, cf: RequestInitCfProperties = {cacheEverything: true}) {
+  // Fix content type
+  let file_type = 'text/plain';
+  if (path.endsWith('.js')) file_type = 'application/javascript';
+  if (path.endsWith('.css')) file_type = 'text/css';
+  if (path.endsWith('.html')) file_type = 'text/html';
+
+  return await fetch(path, {
+    cf,
+  }).then(value => {
+    return new Response(value.body, {
+      // Add the correct content-type to response header
+      headers: {
+        'content-type': `${file_type}; charset=UTF-8;`,
+        'cache-control': 'public, max-age=172800',
+      },
+    });
+  });
+}
+
 interface PasteIndexEntry {
   title?: string,
   mime_type?: string,

web/v2/js/paste.js

@@ -52,7 +52,7 @@ function validate_url(path) {
 
 function show_pop_alert(message, alert_type = 'alert-primary') {
   remove_pop_alert();
-  $('body').prepend(jQuery.parseHTML(
+  $('.navbar').after(jQuery.parseHTML(
       `<div class="alert ${alert_type} alert-dismissible fade show position-absolute top-0 start-50 translate-middle-x" 
             style="margin-top: 80px; max-width: 500px; width: 80%" id="pop_alert" role="alert"> \
       <div>${message}</div> \