build: use azure function to hash assets instead of lambda

script/release/get-url-hash.js

@@ -1,34 +1,25 @@
-const AWS = require('aws-sdk');
-
-const lambda = new AWS.Lambda({
-  credentials: {
-    accessKeyId: process.env.AWS_LAMBDA_EXECUTE_KEY,
-    secretAccessKey: process.env.AWS_LAMBDA_EXECUTE_SECRET
-  },
-  region: 'us-east-1'
-});
+const got = require('got');
+const url = require('url');
 
 module.exports = async function getUrlHash (targetUrl, algorithm = 'sha256', attempts = 3) {
+  const options = {
+    code: process.env.ELECTRON_ARTIFACT_HASHER_FUNCTION_KEY,
+    targetUrl,
+    algorithm
+  };
+  const search = new url.URLSearchParams(options);
+  const functionUrl = url.format({
+    protocol: 'https:',
+    hostname: 'electron-artifact-hasher.azurewebsites.net',
+    pathname: '/api/HashArtifact',
+    search: search.toString()
+  });
   try {
-    return new Promise((resolve, reject) => {
-      lambda.invoke({
-        FunctionName: 'hasher',
-        Payload: JSON.stringify({
-          targetUrl,
-          algorithm
-        })
-      }, (err, data) => {
-        if (err) return reject(err);
-        try {
-          const response = JSON.parse(data.Payload);
-          if (response.statusCode !== 200) return reject(new Error('non-200 status code received from hasher function'));
-          if (!response.hash) return reject(new Error('Successful lambda call but failed to get valid hash'));
-          resolve(response.hash);
-        } catch (err) {
-          return reject(err);
-        }
-      });
-    });
+    const resp = await got(functionUrl);
+    if (resp.statusCode !== 200) throw new Error('non-200 status code received from hasher function');
+    if (!resp.body) throw new Error('Successful lambda call but failed to get valid hash');
+
+    return resp.body.trim();
   } catch (err) {
     if (attempts > 1) {
       console.error('Failed to get URL hash for', targetUrl, 'we will retry', err);