Add `debuglogs` module

js/modules/debuglogs.js

@@ -0,0 +1,48 @@
+/* eslint-env node */
+
+const FormData = require('form-data');
+const got = require('got');
+
+
+const BASE_URL = 'https://debuglogs.org';
+
+// Workaround: Submitting `FormData` using native `FormData::submit` procedure
+// as integration with `got` results in S3 error saying we haven’t set the
+// `Content-Length` header:
+const submitFormData = (form, url) =>
+  new Promise((resolve, reject) => {
+    form.submit(url, (error) => {
+      if (error) {
+        return reject(error);
+      }
+
+      return resolve();
+    });
+  });
+
+//      upload :: String -> Promise URL
+exports.upload = async (content) => {
+  const signedForm = await got.get(BASE_URL, { json: true });
+  const { fields, url } = signedForm.body;
+
+  const form = new FormData();
+  form.append('key', fields.key);
+
+  Object.entries(fields)
+    .filter(([key]) => key !== 'key')
+    .forEach(([key, value]) => {
+      form.append(key, value);
+    });
+
+  const contentBuffer = Buffer.from(content, 'utf8');
+  const contentType = 'text/plain';
+  form.append('Content-Type', contentType);
+  form.append('file', contentBuffer, {
+    contentType,
+    filename: 'signal-desktop-debug-log.txt',
+  });
+
+  await submitFormData(form, url);
+
+  return `${BASE_URL}/${fields.key}`;
+};

test/modules/debuglogs_test.js

@@ -0,0 +1,17 @@
+const { assert } = require('chai');
+const got = require('got');
+
+const debuglogs = require('../../js/modules/debuglogs');
+
+
+describe('debuglogs', () => {
+  describe('upload', () => {
+    it('should upload log content', async () => {
+      const nonce = Math.random().toString().slice(2);
+      const url = await debuglogs.upload(nonce);
+
+      const { body } = await got.get(url);
+      assert.equal(nonce, body);
+    });
+  });
+});