feat: add linux card

api/services/debian.js

@@ -0,0 +1,21 @@
+const { send, sendError, fetch } = require('../util/http')
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return sendError(res, new Error('no query given'))
+  }
+
+  try {
+    const response = await fetch(
+      `https://packages.debian.org/buster/${encodeURIComponent(name)}`,
+      'GET'
+    )
+    const body = await response.text()
+    const availability = body.includes('No such package')
+    send(res, availability)
+  } catch (err) {
+    sendError(res, err)
+  }
+}

api/services/launchpad.js

@@ -0,0 +1,22 @@
+const { send, sendError, fetch } = require('../util/http')
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return sendError(res, new Error('no query given'))
+  }
+
+  try {
+    const response = await fetch(
+      `https://api.launchpad.net/devel/ubuntu/+source/${encodeURIComponent(
+        name
+      )}`,
+      'GET'
+    )
+    const availability = response.status !== 200
+    send(res, availability)
+  } catch (err) {
+    sendError(res, err)
+  }
+}