From d76060a5dc4f9f3da6d9cea517dff48995fd5818 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Sat, 5 Nov 2022 11:53:08 -0700
Subject: handle lnurl pay requests

---
 src/components/Request.svelte                   |  1 +
 src/lib/utils.js                                |  7 ++--
 src/routes/(app)/+layout.svelte                 |  1 -
 src/routes/(app)/[username]/+page.svelte        | 12 +++----
 src/routes/(app)/lnurl/[lnurl]/+page.server.js  | 19 ++++++++++
 src/routes/(app)/lnurl/[lnurl]/+page.svelte     | 46 +++++++++++++++++++++++++
 src/routes/(app)/send/[...text]/+page.server.js | 21 +++++++----
 7 files changed, 91 insertions(+), 16 deletions(-)
 create mode 100644 src/routes/(app)/lnurl/[lnurl]/+page.server.js
 create mode 100644 src/routes/(app)/lnurl/[lnurl]/+page.svelte

(limited to 'src')

diff --git a/src/components/Request.svelte b/src/components/Request.svelte
index c0e2afc0..ea314f13 100644
--- a/src/components/Request.svelte
+++ b/src/components/Request.svelte
@@ -1,4 +1,5 @@
 <script>
+	import { fly } from 'svelte/transition';
 	import { Avatar } from '$comp';
 	import { request } from '$lib/store';
 </script>
diff --git a/src/lib/utils.js b/src/lib/utils.js
index 2e0036e1..7e0b8e4f 100644
--- a/src/lib/utils.js
+++ b/src/lib/utils.js
@@ -22,12 +22,15 @@ export const g = (url, fetch, headers) =>
 
 export const get = (url, headers = {}) =>
 	fetch(base + url, { headers })
-		.then((r) => r.text())
+		.then(async (r) => {
+			if (r.ok) return r.text();
+			throw new Error(await r.text());
+		})
 		.then((body) => {
 			try {
 				return JSON.parse(body);
 			} catch (e) {
-				throw new Error(body);
+				return body;
 			}
 		});
 
diff --git a/src/routes/(app)/+layout.svelte b/src/routes/(app)/+layout.svelte
index 9f29e9a2..5bfe7712 100644
--- a/src/routes/(app)/+layout.svelte
+++ b/src/routes/(app)/+layout.svelte
@@ -1,5 +1,4 @@
 <script>
-	import { fly } from 'svelte/transition';
 	import { SvelteToast } from '@zerodevx/svelte-toast';
 	import { onDestroy, onMount } from 'svelte';
 	import { close, connect, send } from '$lib/socket';
diff --git a/src/routes/(app)/[username]/+page.svelte b/src/routes/(app)/[username]/+page.svelte
index a5b627df..b9deeb5f 100644
--- a/src/routes/(app)/[username]/+page.svelte
+++ b/src/routes/(app)/[username]/+page.svelte
@@ -52,11 +52,11 @@
 					</button>
 				</a>
 
-				<a href={`/${subject.username}/request`}>
-					<button class="rounded-full border py-2 px-5 font-bold hover:opacity-80 w-full mb-2"
-						>Request an invoice</button
-					>
-				</a>
+				<!-- <a href={`/${subject.username}/request`}> -->
+				<!-- 	<button class="rounded-full border py-2 px-5 font-bold hover:opacity-80 w-full mb-2" -->
+				<!-- 		>Request an invoice</button -->
+				<!-- 	> -->
+				<!-- </a> -->
 			</div>
 		{/if}
 	</div>
@@ -65,7 +65,7 @@
 		<p class="text-secondary mb-1">
 			This <a href="https://lightningaddress.com" class="underline" target="_blank" rel="noreferrer"
 				>lightning address</a
-			> can be used repeatedly so you can publish it on websites, business cards, posters, etc.
+			> is like an email for bitcoin. Publish it on your website, business cards, posters, etc.
 		</p>
 
 		<div
diff --git a/src/routes/(app)/lnurl/[lnurl]/+page.server.js b/src/routes/(app)/lnurl/[lnurl]/+page.server.js
new file mode 100644
index 00000000..7b4a527a
--- /dev/null
+++ b/src/routes/(app)/lnurl/[lnurl]/+page.server.js
@@ -0,0 +1,19 @@
+import { auth, get, post } from '$lib/utils';
+import { error, redirect } from '@sveltejs/kit';
+
+export async function load({ locals, params }) {
+	if (!locals.user) redirect(307, '/login');
+	let { lnurl } = params;
+	lnurl = await get(`/decode?text=${lnurl}`);
+	if (lnurl.tag !== 'payRequest') throw error(500, 'We can only handle lnurl pay requests');
+
+	return lnurl;
+}
+
+export const actions = {
+	default: async ({ cookies, request }) => {
+		let { callback, ...form } = Object.fromEntries(await request.formData());
+		form.params = { callback };
+		await post('/pay', form, auth(cookies));
+	}
+};
diff --git a/src/routes/(app)/lnurl/[lnurl]/+page.svelte b/src/routes/(app)/lnurl/[lnurl]/+page.svelte
new file mode 100644
index 00000000..92eca3e0
--- /dev/null
+++ b/src/routes/(app)/lnurl/[lnurl]/+page.svelte
@@ -0,0 +1,46 @@
+<script>
+	import { enhance } from '$app/forms';
+	import { Numpad, Spinner } from '$comp';
+	import { pin } from '$lib/store';
+
+	export let data;
+	let { currency } = data.user;
+	let { minSendable, maxSendable, callback, metadata } = data;
+	let amount, loading;
+	let submit = () => (loading = true);
+</script>
+
+<div class="container px-4 mt-20 max-w-xl mx-auto">
+	<div class="text-center mb-8">
+		{#each JSON.parse(metadata) as m}
+			<div>
+				{#if m[0] === 'text/plain'}
+					<h1 class="text-3xl md:text-4xl font-semibold mb-2">{m[1]}</h1>
+				{/if}
+				{#if m[0].includes('image')}
+					<img src={`data:image/png;base64,${m[1]}`} alt="Recipient" />
+				{/if}
+			</div>
+		{/each}
+	</div>
+	<Numpad bind:amount {currency} />
+
+	<form method="POST" use:enhance on:submit={submit}>
+		<input name="amount" value={amount} type="hidden" />
+		<input name="callback" value={callback} type="hidden" />
+		<input name="pin" value={$pin} type="hidden" />
+
+		<div class="flex w-full">
+			<button
+				type="submit"
+				class="opacity-100 hover:opacity-80'} rounded-2xl border py-3 font-bold mx-auto mt-2 bg-black text-white px-4 w-24"
+			>
+				{#if loading}
+					<Spinner />
+				{:else}
+					Send
+				{/if}
+			</button>
+		</div>
+	</form>
+</div>
diff --git a/src/routes/(app)/send/[...text]/+page.server.js b/src/routes/(app)/send/[...text]/+page.server.js
index b909ab4d..4668cb4f 100644
--- a/src/routes/(app)/send/[...text]/+page.server.js
+++ b/src/routes/(app)/send/[...text]/+page.server.js
@@ -3,8 +3,10 @@ import bip21 from 'bip21';
 import { get, post } from '$lib/utils';
 import { invalid, redirect } from '@sveltejs/kit';
 
-let parse = async (t) => {
+let parse = async (t, r) => {
 	if (!t) return;
+	if (t.includes(':')) t = t.split(':')[1];
+
 	let user, uuid;
 
 	// lightning
@@ -32,11 +34,16 @@ let parse = async (t) => {
 	// ln address
 	if (t.includes('@') && t.includes('.')) {
 		let [name, domain] = t.split('@');
-		try {
-			let lnurl = await get(`/encode?domain=${domain}&name=${name}`);
-		} catch (e) {}
+		if (domain === r.host) t = name;
+		else {
+			try {
+				t = await get(`/encode?domain=${domain}&name=${name}`);
+			} catch (e) {}
+		}
 	}
 
+	if (t.toLowerCase().startsWith('lnurl')) throw redirect(307, `/lnurl/${t}`);
+
 	// user
 	try {
 		user = await get(`/users/${t}`);
@@ -45,15 +52,15 @@ let parse = async (t) => {
 	if (user) throw redirect(303, `/send/user/${t}`);
 };
 
-export async function load({ params }) {
+export async function load({ params, request }) {
 	let { text } = params;
-	await parse(text);
+	await parse(text, request);
 }
 
 export const actions = {
 	default: async ({ request }) => {
 		const form = await request.formData();
-		await parse(form.get('text'));
+		await parse(form.get('text'), request);
 
 		return invalid(403, { error: 'Does not compute, try again' });
 	}
-- 
cgit v1.2.3