Remove feature for desktopSecureStorage

# Conflicts:
#	src/js/services/storageService.js

app-template/package-template.json

@@ -81,6 +81,7 @@
     "grunt-exec": "^1.0.0",
     "grunt-nw-builder": "^2.0.3",
     "grunt-sass": "^1.2.0",
+    "keytar": "git+https://github.com/spasma/node-keytar.git",
     "load-grunt-tasks": "^3.5.0",
     "shelljs": "^0.3.0",
     "android-versions": "^1.2.1",

src/js/services/desktopSecureStorageService.js

@@ -1,6 +1,82 @@
 'use strict';
 
-angular.module('copayApp.services').factory('desktopSecureStorageService', function($log) {
+angular.module('copayApp.services').factory('desktopSecureStorageService', function($log, appConfigService, platformInfo, lodash, localStorageService) {
-  // Placeholder
+  var root = {};
-  return {};
+  var storage = null;
+  var serviceName = appConfigService.packageNameId;
+  var initialisationFailed = false;
+
+  if (platformInfo.isNW) {
+    try {
+      var os = require('os');
+      var arch = (os.arch() === 'x64' || process.env.hasOwnProperty('PROCESSOR_ARCHITEW6432')) ? 'x64':'ia32';
+      var file = './keytar/keytar-prebuild-v4.1.1-node-v51-'+process.platform+'-'+arch+'.node';
+      storage = require('keytar');
+      storage.setKeytarInstance(require(file));
+    } catch (e) {
+      console.log(e);
+      initialisationFailed = true;
+    }
+  }
+
+  root.get = function(key, cb) {
+    if (!platformInfo.isNW) {
+      cb(new Error('desktopSecureStorageService is only available on NW.js desktop.'));
+      return;
+    }
+
+    if (initialisationFailed)
+      return localStorageService.get(key, cb);
+
+    storage.getPassword(serviceName, key).then(function(result) {
+      return cb(null, result); // XX SP: result is null if no value is found as it should
+    }).catch(function (error) {
+      cb(new Error(error));
+    });
+  };
+
+  root.remove = function(key, cb) {
+    if (!platformInfo.isNW) {
+      cb(new Error('desktopSecureStorageService is only available on NW.js desktop.'));
+      return;
+    }
+
+    if (initialisationFailed)
+      return localStorageService.remove(key, cb);
+
+    storage.removePassword(serviceName, key).then(function (value) {
+      cb();
+    }).catch(function (error) {
+      console.log(error);
+      cb(new Error(error));
+    })
+  };
+
+  root.set = function(key, value, cb) {
+    if (!platformInfo.isNW) {
+      cb(new Error('desktopSecureStorageService is only available on NW.js desktop.'));
+      return;
+    }
+
+    if (initialisationFailed)
+      return localStorageService.set(key, value, cb);
+
+    if (lodash.isObject(value)) {
+      value = JSON.stringify(value);
+    }
+    if (value && !lodash.isString(value)) {
+      value = value.toString();
+    }
+
+    storage.deletePassword(serviceName, key).then(function (result) {
+      storage.setPassword(serviceName, key, value).then(function (value) {
+        cb();
+      }).catch(function (error) {
+        console.log(error);
+        cb(new Error(error));
+      })
+    });
+  };
+
+  return root;
 });

src/js/services/platformInfo.js

@@ -66,5 +66,11 @@ angular.module('copayApp.services').factory('platformInfo', function($window) {
   ret.versionIntelTEE = getVersionIntelTee();
   ret.supportsIntelTEE = ret.versionIntelTEE.length > 0;
 
+  ret.isMac = typeof process !== 'undefined'?process.platform === 'darwin':false;
+  ret.isWindows = typeof process !== 'undefined'?process.platform === 'win32':false;
+  ret.isLinux = typeof process !== 'undefined'?process.platform === 'linux':false;
+
+  ret.isDesktopApp = ret.isNW && (ret.isMac || ret.isWindows || ret.isLinux);
+
   return ret;
 });

src/js/services/profileService.js

@@ -528,7 +528,7 @@ angular.module('copayApp.services')
 
       var walletId = client.credentials.walletId
 
-      if (!root.profile.addWallet(JSON.parse(client.export())))
+      if (root.profile && !root.profile.addWallet(JSON.parse(client.export())))
         return cb(gettextCatalog.getString("Wallet already in {{appName}}", {
           appName: appConfigService.nameCase
         }));

src/js/services/storageService.js

@@ -121,7 +121,7 @@ angular.module('copayApp.services')
 
     root.storeProfile = function(profile, cb) {
       var profileString = profile.toObj();
-      if (platformInfo.isNW) {
+      if (platformInfo.isNW && !platformInfo.isMac) {
         storage.set('profile', profileString, cb);
       } else {
         secureStorageService.set('profile', profileString, cb);
@@ -205,7 +205,7 @@ angular.module('copayApp.services')
      * @param {getProfileCallback} cb 
      */
     root.getProfile = function(cb) {
-      if (platformInfo.isNW) {
+      if (platformInfo.isNW && !platformInfo.isMac) {
         storage.get('profile', function(getErr, getStr) {
           _onOldProfileRetrieved(getErr, getStr, cb);
           });
@@ -728,15 +728,15 @@ angular.module('copayApp.services')
 
     root.setReceivedTransactions = function(walletId, txIds, cb) {
       storage.set('receivedTxs-' + walletId, txIds, cb);
-    }
+    };
 
     root.getReceivedTransactions = function(walletId, cb) {
       storage.get('receivedTxs-' + walletId, cb);
-    }
+    };
 
     root.removeReceivedTransactions = function(walletId, cb) {
       storage.remove('receivedTxs-' + walletId, cb);
-    }
+    };
 
     root.checkIfFlagIsSet = function(key) {
       return new Promise(function(resolve, reject) {
@@ -748,7 +748,7 @@ angular.module('copayApp.services')
           }
         });
       });
-    }
+    };
     
     return root;
   });