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Use HTML page instead for browser and plain text for console

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Joe Ma 2022-09-11 23:38:46 +08:00
parent d2c49287b6
commit 022f83a387
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GPG key ID: 7A0ECF5F5EDC587F
2 changed files with 40 additions and 7 deletions
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2
paste.html
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@ -60,7 +60,7 @@
<input id="read_limit_input" type="number" name="read-limit" min="1" style="width: 3em"> <input id="read_limit_input" type="number" name="read-limit" min="1" style="width: 3em">
</div> </div>
<div> <div>
<input id="show_qr_checkbox" type="checkbox" name="qrcode"> <input id="show_qr_checkbox" type="checkbox" name="qrcode" checked>
<label for="show_qr_checkbox">Show QR code on sumbitted</label> <label for="show_qr_checkbox">Show QR code on sumbitted</label>
</div> </div>
<br> <br>

45
src/index.ts
View file

@ -95,6 +95,10 @@ export default {
const path = pathname.replace(/\/+$/, '') || '/'; const path = pathname.replace(/\/+$/, '') || '/';
let cache = caches.default; let cache = caches.default;
const agent = headers.get('user-agent') ?? '';
// Detect if request from browsers
const is_browser = ['Mozilla', 'AppleWebKit', 'Chrome', 'Safari', 'Gecko'].some(v => agent.includes(v));
const s3 = new AwsClient({ const s3 = new AwsClient({
accessKeyId: env.AWS_ACCESS_KEY_ID, accessKeyId: env.AWS_ACCESS_KEY_ID,
secretAccessKey: env.AWS_SECRET_ACCESS_KEY, secretAccessKey: env.AWS_SECRET_ACCESS_KEY,
@ -241,7 +245,7 @@ export default {
// Key will be expired after 28 day if unmodified // Key will be expired after 28 day if unmodified
ctx.waitUntil(env.PASTE_INDEX.put(uuid, JSON.stringify(descriptor), {expirationTtl: 2419200})); ctx.waitUntil(env.PASTE_INDEX.put(uuid, JSON.stringify(descriptor), {expirationTtl: 2419200}));
return new Response(await get_paste_info(uuid, descriptor, env, need_qrcode)); return await get_paste_info(uuid, descriptor, env, is_browser, need_qrcode);
} else { } else {
return new Response('Unable to upload the paste.\n', { return new Response('Unable to upload the paste.\n', {
status: 500, status: 500,
@ -279,7 +283,7 @@ export default {
switch (method) { switch (method) {
case 'GET': { case 'GET': {
const need_qrcode = searchParams.get('qr') === '1'; const need_qrcode = searchParams.get('qr') === '1';
return new Response(await get_paste_info(uuid, descriptor, env, need_qrcode)); return await get_paste_info(uuid, descriptor, env, is_browser, need_qrcode);
} }
case 'POST': { case 'POST': {
@ -451,11 +455,12 @@ export default {
}, },
}; };
async function get_paste_info(uuid: string, descriptor: PasteIndexEntry, env: Env, need_qr: boolean = false): Promise<string> { async function get_paste_info(uuid: string, descriptor: PasteIndexEntry, env: Env, use_html: boolean = true, need_qr: boolean = false): Promise<Response> {
const date = new Date(descriptor.last_modified); const date = new Date(descriptor.last_modified);
const link = `https://${SERVICE_URL}/${uuid}`;
let content = dedent` let content = dedent`
id: ${uuid} id: ${uuid}
link: https://${SERVICE_URL}/${uuid} link: ${link}
title: ${descriptor.title || '<empty>'} title: ${descriptor.title || '<empty>'}
mime-type: ${descriptor.mime_type ?? '-'} mime-type: ${descriptor.mime_type ?? '-'}
size: ${descriptor.size} bytes (${to_human_readable_size(descriptor.size)}) size: ${descriptor.size} bytes (${to_human_readable_size(descriptor.size)})
@ -466,10 +471,37 @@ async function get_paste_info(uuid: string, descriptor: PasteIndexEntry, env: En
created at ${date.toISOString()} created at ${date.toISOString()}
`; `;
// Browser response
if (use_html) {
const html = dedent`
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Paste</title>
</head>
<body>
<pre style="word-wrap: break-word; white-space: pre-wrap;
font-family: 'Fira Mono', monospace; font-size: 16px;">${content}</pre>
${(need_qr) ? `<img src="${'https://qrcode.nekoul.com/?' + new URLSearchParams({q: link, type: 'svg'})}"
alt="${link}" style="max-width: 280px">` : ''}
</body>
</html>
`;
return new Response(html, {
headers: {
'content-type': 'text/html; charset=UTF-8;',
},
});
}
// Console response
if (need_qr) { if (need_qr) {
// Cloudflare currently does not support doing a subrequest to the same zone, use service binding instead // Cloudflare currently does not support doing a subrequest to the same zone, use service binding instead
const res = await env.QRCODE.fetch('https://qrcode.nekoul.com?' + new URLSearchParams({ const res = await env.QRCODE.fetch('https://qrcode.nekoul.com?' + new URLSearchParams({
q: `https://${SERVICE_URL}/${uuid}`, q: link,
type: 'utf8',
})); }));
if (res.ok) { if (res.ok) {
@ -479,7 +511,8 @@ async function get_paste_info(uuid: string, descriptor: PasteIndexEntry, env: En
content += '\n'; content += '\n';
} }
} }
return content;
return new Response(content);
} }
function check_password_rules(password: string): boolean { function check_password_rules(password: string): boolean {