bwc

src/js/services/storageService.js

@@ -0,0 +1,111 @@
+'use strict';
+angular.module('copayApp.services')
+  .factory('storageService', function(localStorageService, sjcl, $log, lodash) {
+
+    var root = {};
+
+    var getUUID = function(cb) {
+      // TO SIMULATE MOBILE
+      //return cb('hola');
+      if (!window || !window.plugins || !window.plugins.uniqueDeviceID)
+        return cb(null);
+
+      window.plugins.uniqueDeviceID.get(
+        function(uuid) {
+          return cb(uuid);
+        }, cb);
+    };
+
+    var encryptOnMobile = function(text, cb) {
+      getUUID(function(uuid) {
+        if (uuid) {
+          $log.debug('Encrypting profile');
+          text = sjcl.encrypt(uuid, text);
+        }
+        return cb(null, text);
+      });
+    };
+
+
+    var decryptOnMobile = function(text, cb) {
+      var json;
+      try {
+        json = JSON.parse(text);
+      } catch (e) {};
+
+      if (!json.iter || !json.ct)
+        return cb(null, text);
+
+      $log.debug('Profile is encrypted');
+      getUUID(function(uuid) {
+        if (!uuid)
+          return cb(new Error('Could not decrypt localstorage profile'));
+
+        text = sjcl.decrypt(uuid, text);
+        return cb(null, text);
+      });
+    };
+
+    root.storeNewProfile = function(profile, cb) {
+      encryptOnMobile(profile.toObj(), function(err, x) {
+        localStorageService.create('profile', x, cb);
+      });
+    };
+
+    root.storeProfile = function(profile, cb) {
+      encryptOnMobile(profile.toObj(), function(err, x) {
+        localStorageService.set('profile', x, cb);
+      });
+    };
+
+    root.getProfile = function(cb) {
+      localStorageService.get('profile', function(err, str) {
+        if (err || !str) return cb(err);
+
+        decryptOnMobile(str, function(err, str) {
+          if (err) return cb(err);
+          var p, err;
+          try {
+            p = Profile.fromString(str);
+          } catch (e) {
+            err = new Error('Could not read profile:' + p);
+          }
+          return cb(err, p);
+        });
+      });
+    };
+
+    root.deleteProfile = function(cb) {
+      localStorageService.remove('profile', cb);
+    };
+
+    root.storeFocusedWalletId = function(id, cb) {
+      localStorageService.set('focusedWalletId', id, cb);
+    };
+
+    root.getFocusedWalletId = function(cb) {
+      localStorageService.get('focusedWalletId', cb);
+    };
+
+    root.getLastAddress = function(walletId, cb) {
+      localStorageService.get('lastAddress-' + walletId, cb);
+    };
+
+    root.storeLastAddress = function(walletId, address, cb) {
+      localStorageService.set('lastAddress-' + walletId, address, cb);
+    };
+
+    root.clearLastAddress = function(walletId, cb) {
+      localStorageService.remove('lastAddress-' + walletId, cb);
+    };
+
+    root.setBackupFlag = function(walletId, cb) {
+      localStorageService.set('backup-' + walletId, Date.now(), cb);
+    };
+
+    root.getBackupFlag = function(walletId, cb) {
+      localStorageService.get('backup-' + walletId, cb);
+    };
+
+    return root;
+  });