From 5b583162ff6d78576b94dcb99cfeb3cc6d1d2d9d Mon Sep 17 00:00:00 2001
From: Max Wofford <max@maxwofford.com>
Date: Wed, 29 Jul 2020 21:34:45 -0400
Subject: [PATCH] Initial deno implementation of api/new route

---
 .gitignore  |  3 +-
 api/new.js  | 26 ----------------
 api/new.ts  | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 vercel.json |  6 ++++
 4 files changed, 96 insertions(+), 27 deletions(-)
 delete mode 100644 api/new.js
 create mode 100644 api/new.ts
 create mode 100644 vercel.json

diff --git a/.gitignore b/.gitignore
index 2eea525..d558dbc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.env
\ No newline at end of file
+.env
+.vercel
\ No newline at end of file
diff --git a/api/new.js b/api/new.js
deleted file mode 100644
index 67e2823..0000000
--- a/api/new.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// https://api.vercel.com/v2/now/files
-
-// https://api.vercel/v12/now/files
-
-// Vercel protects against env tokens starting with `VERCEL_`, so we're calling
-// it the ZEIT_TOKEN
-const zeitToken = process.env.ZEIT_TOKEN
-
-export default (req, res) => {
-  if (req.method == 'OPTIONS') {
-    return res.status(204).json({ status: "YIPPE YAY. YOU HAVE CLEARANCE TO PROCEED." })
-  }
-  if (req.method == 'GET') {
-    return res.status(405).json({ error: '*GET outta here!* (Method not allowed, use POST)' })
-  }
-  if (req.method == 'PUT') {
-    return res.status(405).json({ error: '*PUT that request away!* (Method not allowed, use POST)' })
-  }
-  if (req.method !== 'POST') {
-    return res.status(405).json({ error: 'Method not allowed, use POST' })
-  }
-
-  res.send(req.body)
-
-  // res.json({ ping: 'pong' })
-}
\ No newline at end of file
diff --git a/api/new.ts b/api/new.ts
new file mode 100644
index 0000000..10d8846
--- /dev/null
+++ b/api/new.ts
@@ -0,0 +1,88 @@
+import { ServerRequest } from 'https://deno.land/std@0.61.0/http/server.ts'
+import { Hash } from "https://deno.land/x/checksum@1.4.0/mod.ts"
+import { urlParse } from 'https://deno.land/x/url_parse/mod.ts';
+
+// Vercel protects against env tokens starting with `VERCEL_`, so we're calling
+// it the ZEIT_TOKEN
+
+const uploadFile = async (url: string) => {
+  const req = await fetch(url)
+  const data = new Uint8Array(await req.arrayBuffer())
+  const sha = new Hash('sha1').digest(data).hex()
+  const size = data.byteLength
+  const { pathname } = urlParse(url)
+  const filename = pathname.substr(pathname.lastIndexOf('/') + 1)
+  
+  const uploadedFile = await fetch('https://api.vercel.com/v2/now/files', {
+    method: 'POST',
+    headers: {
+      'Content-Length': size.toString(),
+      'x-now-digest': sha,
+      'Authorization': `Bearer ${Deno.env.get('ZEIT_TOKEN')}`
+    },
+    body: data.buffer,
+  })
+
+  return {
+    sha,
+    size,
+    file: 'public/' + filename,
+    path: filename
+  }
+}
+
+const deploy = async (files: {sha: string, file: string, path: string, size: number}[]) => {
+  const req = await fetch('https://api.vercel.com/v12/now/deployments', {
+    method: 'POST',
+    headers: {
+      'Authorization': `Bearer ${Deno.env.get('ZEIT_TOKEN')}`,
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify({
+      name: 'cloud',
+      files: files.map(f => ({
+        sha: f.sha,
+        file: f.file,
+        size: f.size
+      })),
+      projectSettings: {
+        framework: null
+      }
+    })
+  })
+  const json = await req.json()
+  const baseURL = json.url
+  const fileURLs = files.map(f => baseURL + '/' + f.path)
+
+  return { status: req.status, fileURLs }
+}
+
+export default async (req: ServerRequest) => {
+  // req.respond({ body: `Hello, from Deno!` })
+  if (req.method == 'OPTIONS') {
+    return req.respond({status: 204, body: JSON.stringify({ status: "YIPPE YAY. YOU HAVE CLEARANCE TO PROCEED." })})
+  }
+  if (req.method == 'GET') {
+    return req.respond({status: 405, body: JSON.stringify({ error: '*GET outta here!* (Method not allowed, use POST)' })})
+  }
+  if (req.method == 'PUT') {
+    return req.respond({status: 405, body: JSON.stringify({ error: '*PUT that request away!* (Method not allowed, use POST)' })})
+  }
+  if (req.method != 'POST') {
+    return req.respond({status: 405, body: JSON.stringify({ error: 'Method not allowed, use POST' })})
+  }
+
+  const decoder = new TextDecoder()
+  const buf = await Deno.readAll(req.body)
+  const fileURLs = JSON.parse(decoder.decode(buf))
+  if (!Array.isArray(fileURLs) || fileURLs.length < 1) {
+    return req.respond({status: 422, body: JSON.stringify({ error: 'Empty file array' })})
+  }
+  const uploadedFiles = await Promise.all(fileURLs.map(uploadFile))
+  const result = await deploy(uploadedFiles)
+
+  req.respond({
+    status: result.status,
+    body: JSON.stringify(result.fileURLs)
+  })
+}
\ No newline at end of file
diff --git a/vercel.json b/vercel.json
new file mode 100644
index 0000000..6cfe11e
--- /dev/null
+++ b/vercel.json
@@ -0,0 +1,6 @@
+{
+	"version": 2,
+	"functions": {
+		"api/**/*.{j,t}s": { "runtime": "vercel-deno@0.4.4" }
+	}
+}
\ No newline at end of file