initial import

.eslintrc

@@ -0,0 +1,30 @@
+{
+  "parser": "babel-eslint",
+  "rules": {
+    "quotes": [
+      2,
+      "single"
+    ],
+    "linebreak-style": [
+      2,
+      "unix"
+    ],
+    "no-unused-vars": [2, {
+      "vars": "all",
+      "args": "after-used",
+      "argsIgnorePattern": "^_",
+      "varsIgnorePattern": "^_"
+    }],    
+    "semi": [
+      2,
+      "always"
+    ],
+    "no-console" : 0
+  },
+  "env": {
+    "es6": true,
+    "node": true
+  },
+  "plugins": [
+  ]
+}

.gitignore

@@ -25,3 +25,5 @@ build/Release
 # Dependency directory
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
+client_secret.json
+gmail-credentials.json

lib/get_token.js

@@ -0,0 +1,47 @@
+(function() {
+  'use strict';
+
+  var fs = require('fs');
+  var googleAuth = require('google-auth-library');
+
+  function getAuthorizationToken(code, cb) {
+    // Load client secrets
+    fs.readFile('client_secret.json', function(err, data) {
+      if (err) {
+        return cb(err);
+      }
+      var credentials = JSON.parse(data);
+      var clientSecret = credentials.installed.client_secret;
+      var clientId = credentials.installed.client_id;
+      var redirectUrl = credentials.installed.redirect_uris[0];
+      var auth = new googleAuth();
+      var oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl);
+
+      oauth2Client.getToken(code, function(err, token) {
+        if (err) {
+          return cb(err);
+        }
+        var file = 'gmail-credentials.json';
+
+        fs.writeFile(file, JSON.stringify(token));
+        return cb(null, file);
+      });
+    });
+  }
+
+  if (process.argv.length != 3) {
+    console.log('usage: node get_token token');
+    process.exit(1);
+  }
+  var token = process.argv[2];
+
+  getAuthorizationToken(token, function(err, file) {
+    if (err) {
+      console.log('err:', err);
+    } else {
+      console.log('authorization token is in:\n', file);
+    }
+  });
+
+})();
+

lib/get_url.js

@@ -0,0 +1,39 @@
+(function() {
+  'use strict';
+
+  var fs = require('fs');
+  var googleAuth = require('google-auth-library');
+
+  var scopes = require('./scopes');
+
+  function getAuthorizationUrl(cb) {
+    // Load client secrets
+    fs.readFile('client_secret.json', function(err, data) {
+      if (err) {
+        return cb(err);
+      }
+      var credentials = JSON.parse(data);
+      var clientSecret = credentials.installed.client_secret;
+      var clientId = credentials.installed.client_id;
+      var redirectUrl = credentials.installed.redirect_uris[0];
+      var auth = new googleAuth();
+      var oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl);
+
+      var authUrl = oauth2Client.generateAuthUrl({
+        access_type: 'offline',
+        scope: scopes
+      });
+      return cb(null, authUrl);
+    });
+  }
+
+  getAuthorizationUrl(function(err, url) {
+    if (err) {
+      console.log('err:', err);
+    } else {
+      console.log('Authorization url is:\n', url);
+    }
+  });
+
+})();
+

lib/scopes.js

@@ -0,0 +1,7 @@
+(function() {
+  "use strict";
+
+  module.exports = [
+    'https://www.googleapis.com/auth/gmail.send'
+  ];
+})();

lib/send_mail.js

@@ -0,0 +1,76 @@
+(function() {
+  'use strict';
+
+  var fs = require('fs');
+  var googleAuth = require('google-auth-library');
+  var google = require('googleapis');
+
+  function getOAuth2Client(cb) {
+    // Load client secrets
+    fs.readFile('client_secret.json', function(err, data) {
+      if (err) {
+        return cb(err);
+      }
+      var credentials = JSON.parse(data);
+      var clientSecret = credentials.installed.client_secret;
+      var clientId = credentials.installed.client_id;
+      var redirectUrl = credentials.installed.redirect_uris[0];
+      var auth = new googleAuth();
+      var oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl);
+
+      // Load credentials
+      fs.readFile('gmail-credentials.json', function(err, token) {
+        if (err) {
+          return cb(err);
+        } else {
+          oauth2Client.credentials = JSON.parse(token);
+          return cb(null, oauth2Client);
+        }
+      });
+    });
+  }
+
+  function sendSampleMail(auth, cb) {
+    var gmailClass = google.gmail('v1');
+
+    var email_lines = [];
+
+    email_lines.push('From: "test" <pcarion@gmail.com>');
+    email_lines.push('To: pcarion@gmail.com');
+    email_lines.push('Content-type: text/html;charset=iso-8859-1');
+    email_lines.push('MIME-Version: 1.0');
+    email_lines.push('Subject: this would be the subject');
+    email_lines.push('');
+    email_lines.push('And this would be the content.<br/>');
+    email_lines.push('The body is in HTML so <b>we could even use bold</b>');
+
+    var email = email_lines.join('\r\n').trim();
+
+    var base64EncodedEmail = new Buffer(email).toString('base64');
+    base64EncodedEmail = base64EncodedEmail.replace(/\+/g, '-').replace(/\//g, '_');
+
+    gmailClass.users.messages.send({
+      auth: auth,
+      userId: 'me',
+      resource: {
+        raw: base64EncodedEmail
+      }
+    }, cb);
+  }
+
+
+  getOAuth2Client(function(err, oauth2Client) {
+    if (err) {
+      console.log('err:', err);
+    } else {
+      sendSampleMail(oauth2Client, function(err, results) {
+        if (err) {
+          console.log('err:', err);
+        } else {
+          console.log(results);
+        }
+      });
+    }
+  });
+})();
+

package.json

@@ -19,5 +19,9 @@
   "dependencies": {
     "google-auth-library": "^0.9.7",
     "googleapis": "^2.1.6"
+  },
+  "devDependencies": {
+    "babel-eslint": "^4.1.6",
+    "eslint": "^1.10.3"
   }
 }