Add support to upload custom profile avatar

src/routes/profile.js

@@ -3,6 +3,9 @@
 exports = module.exports = {
     get: get,
     update: update,
+    getAvatar: getAvatar,
+    setAvatar: setAvatar,
+    clearAvatar: clearAvatar,
     changePassword: changePassword,
     setTwoFactorAuthenticationSecret: setTwoFactorAuthenticationSecret,
     enableTwoFactorAuthentication: enableTwoFactorAuthentication,
@@ -12,14 +15,21 @@ exports = module.exports = {
 var assert = require('assert'),
     auditSource = require('../auditsource.js'),
     BoxError = require('../boxerror.js'),
+    fs = require('fs'),
     HttpError = require('connect-lastmile').HttpError,
     HttpSuccess = require('connect-lastmile').HttpSuccess,
+    path = require('path'),
+    paths = require('../paths.js'),
+    safe = require('safetydance'),
     users = require('../users.js'),
+    settings = require('../settings.js'),
     _ = require('underscore');
 
 function get(req, res, next) {
     assert.strictEqual(typeof req.user, 'object');
 
+    const emailHash = require('crypto').createHash('md5').update(req.user.email).digest('hex');
+
     next(new HttpSuccess(200, {
         id: req.user.id,
         username: req.user.username,
@@ -28,7 +38,8 @@ function get(req, res, next) {
         displayName: req.user.displayName,
         twoFactorAuthenticationEnabled: req.user.twoFactorAuthenticationEnabled,
         admin: req.user.admin,
-        source: req.user.source
+        source: req.user.source,
+        avatarUrl: fs.existsSync(path.join(paths.PROFILE_ICONS_DIR, req.user.id)) ? `${settings.adminOrigin()}/api/v1/profile/avatar/${req.user.id}` : `https://www.gravatar.com/avatar/${emailHash}.jpg?s=128&d=mm`
     }));
 }
 
@@ -49,6 +60,28 @@ function update(req, res, next) {
     });
 }
 
+function setAvatar(req, res, next) {
+    assert.strictEqual(typeof req.user, 'object');
+
+    if (!req.files.avatar) return next(new HttpError(400, 'avatar is missing'));
+
+    if (!safe.fs.renameSync(req.files.avatar.path, path.join(paths.PROFILE_ICONS_DIR, req.user.id))) return next(new HttpError(500, safe.error));
+
+    next(new HttpSuccess(202, {}));
+}
+
+function clearAvatar(req, res, next) {
+    assert.strictEqual(typeof req.user, 'object');
+
+    safe.fs.unlinkSync(path.join(paths.PROFILE_ICONS_DIR, req.user.id));
+
+    next(new HttpSuccess(202, {}));
+}
+
+function getAvatar(req, res) {
+    res.sendFile(path.join(paths.PROFILE_ICONS_DIR, req.params.identifier));
+}
+
 function changePassword(req, res, next) {
     assert.strictEqual(typeof req.body, 'object');
     assert.strictEqual(typeof req.user, 'object');