[fetch-forms-from-google-drive] Store/re-use sessions

medic · Feb 28, 2018 · 58b75bb · 58b75bb
1 parent 43cc208
commit 58b75bb
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Showing 3 changed files with 16 additions and 3 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "medic-conf",
-  "version": "1.11.4",
+  "version": "1.11.5",
   "description": "Configure Medic Mobile deployments",
   "main": "index.js",
   "scripts": {

diff --git a/src/lib/google-auth.js b/src/lib/google-auth.js
@@ -6,10 +6,21 @@ const readline = require('readline-sync');
 const warn = require('../lib/log').warn;
 
 const SECRETS_FILE = './.gdrive.secrets.json';
+const TOKENS_FILE = './.gdrive.session.json';
 
 module.exports = () => {
   const client = oauthClient();
 
+  if(!fs.exists(TOKENS_FILE)) return newSessionFor(client);
+
+  client.setCredentials(fs.readJson(TOKENS_FILE));
+
+  if(client.credentials.expiry_date < Date.now()) return newSessionFor(client);
+
+  return Promise.resolve(client);
+};
+
+function newSessionFor(client) {
   const authUrl = client.generateAuthUrl({
     scope: 'https://www.googleapis.com/auth/drive.readonly'
   });
@@ -21,12 +32,14 @@ module.exports = () => {
     client.getToken(accessCode, function (err, tokens) {
       if(err) return reject(err);
 
+      fs.writeJson(TOKENS_FILE, tokens);
+
       client.setCredentials(tokens);
 
       resolve(client);
     });
   });
-};
+}
 
 function oauthClient() {
   let configFile;