Refactoring Electron IPC

package.json

@@ -69,6 +69,7 @@
       "build/**/*",
       "node_modules/**/*",
       "src/helpers.js",
+      "src/renderer/**/*",
       "public/detect_linux.sh",
       "public/install_linux.sh"
     ],

src/constants.js

@@ -28,8 +28,7 @@ exports.DEV_PUBLIC_KEY = '-----BEGIN PUBLIC KEY-----\n' +
   '-----END PUBLIC KEY-----';
 
 
-//const REPERTORY_BRANCH = '1.1.0-release_branch';
+const REPERTORY_BRANCH = '1.1.0-release_branch';
-const REPERTORY_BRANCH = 'master';
 const REPERTORY_UI_BRANCH = '1.0.8_branch';
 
 exports.RELEASES_URL = 'https://bitbucket.org/blockstorage/repertory/raw/' + REPERTORY_BRANCH + '/releases.json';

src/renderer/ipc/AppIPC.js

@@ -0,0 +1,20 @@
+const Constants = require('../../constants');
+
+const addListeners = (ipcMain, closeApplication, setWindowVisibility) => {
+  ipcMain.on(Constants.IPC_Shutdown, () => {
+    closeApplication();
+  });
+
+  ipcMain.on(Constants.IPC_Show_Window, () => {
+    setWindowVisibility(true);
+  });
+
+  ipcMain.on(Constants.IPC_Show_Window + '_sync', event => {
+    setWindowVisibility(true);
+    event.returnValue = true;
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/ConfigIPC.js

@@ -0,0 +1,56 @@
+const Constants = require('../../constants');
+const helpers = require('../../helpers');
+
+const addListeners = (ipcMain, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Get_Config, (event, data) => {
+    helpers
+    .getConfig(data.Version, data.Provider)
+    .then((data) => {
+      if (data.Code === 0) {
+        standardIPCReply(event, Constants.IPC_Get_Config_Reply, {
+          Config: data.Data,
+        });
+      } else {
+        standardIPCReply(event, Constants.IPC_Get_Config_Reply, {}, data.Code);
+      }
+    })
+    .catch(error => {
+      standardIPCReply(event, Constants.IPC_Get_Config_Reply, {}, error);
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Get_Config_Template, (event, data) => {
+    helpers
+    .getConfigTemplate(data.Version, data.Provider)
+    .then((data) => {
+      standardIPCReply(event, Constants.IPC_Get_Config_Template_Reply, {
+        Template: data,
+      });
+    })
+    .catch(error => {
+      standardIPCReply(event, Constants.IPC_Get_Config_Template_Reply, {}, error);
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Set_Config_Values, (event, data) => {
+    const setConfigValue = (i) => {
+      if (i < data.Items.length) {
+        helpers
+        .setConfigValue(data.Items[i].Name, data.Items[i].Value, data.Provider, data.Version)
+        .then(() => {
+          setConfigValue(++i);
+        })
+        .catch(() => {
+          setConfigValue(++i);
+        });
+      } else {
+        standardIPCReply(event, Constants.IPC_Set_Config_Values_Reply, {});
+      }
+    };
+    setConfigValue(0);
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/DaemonIPC.js

@@ -0,0 +1,47 @@
+const Constants = require('../../constants');
+const helpers = require('../../helpers');
+
+const addListeners = (ipcMain, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Check_Daemon_Version, (event, data) => {
+    helpers
+    .checkDaemonVersion(data.Version, data.Provider)
+    .then(code => {
+      standardIPCReply(event, Constants.IPC_Check_Daemon_Version_Reply, {
+        Valid: (code === 0),
+        Code: code,
+      });
+    })
+    .catch(e => {
+      standardIPCReply(event, Constants.IPC_Check_Daemon_Version_Reply, {
+        Valid: false,
+      }, e);
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Check_Daemon_Version + '_sync', (event, data) => {
+    helpers
+    .checkDaemonVersion(data.Version, data.Provider)
+    .then(code => {
+      event.returnValue = {
+        data: {
+          Success: true,
+          Valid: (code === 0),
+          Code: code,
+        },
+      };
+    })
+    .catch(e => {
+      event.returnValue = {
+        data: {
+          Error: e.toString(),
+          Success: false,
+          Valid: false
+        },
+      };
+    });
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/DependencyIPC.js

@@ -0,0 +1,102 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+
+const addListeners = (ipcMain, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Check_Dependency_Installed, (event, data) => {
+    try {
+      const exists = fs.lstatSync(data.File).isFile();
+      standardIPCReply(event, Constants.IPC_Check_Dependency_Installed_Reply, {
+        data: {
+          Exists: exists,
+        },
+      });
+    } catch (e) {
+      standardIPCReply(event, Constants.IPC_Check_Dependency_Installed_Reply, {
+        data : {
+          Exists: false,
+        },
+      });
+    }
+  });
+
+  ipcMain.on(Constants.IPC_Check_Dependency_Installed + '_sync', (event, data) => {
+    try {
+      const ls = fs.lstatSync(data.File);
+      event.returnValue = {
+        data: {
+          Exists: ls.isFile() || ls.isSymbolicLink(),
+        },
+      };
+    } catch (e) {
+      event.returnValue = {
+        data: {
+          Exists: false
+        },
+      };
+    }
+  });
+
+  ipcMain.on(Constants.IPC_Install_Dependency, (event, data) => {
+    if (data.Source.toLowerCase().endsWith('.dmg')) {
+      helpers
+      .executeAsync('open', ['-a', 'Finder', '-W', data.Source])
+      .then(() => {
+        standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+          Source: data.Source,
+          URL: data.URL,
+        });
+      })
+      .catch(error=> {
+        standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+          Source: data.Source,
+          URL: data.URL,
+        }, error);
+      });
+    } else {
+      const execInstall = () => {
+        helpers
+        .executeAndWait(data.Source)
+        .then(() => {
+          standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+            Source: data.Source,
+            URL: data.URL,
+          });
+        })
+        .catch(error => {
+          standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+            Source: data.Source,
+            URL: data.URL,
+          }, error);
+        });
+      };
+      if (data.IsWinFSP) {
+        helpers
+        .performWindowsUninstall(["WinFsp 2019.1", "WinFsp 2019.2", "WinFsp 2019.3 B1", "WinFsp 2019.3 B2"])
+        .then(uninstalled => {
+          if (uninstalled) {
+            standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+              RebootRequired: true,
+              Source: data.Source,
+              URL: data.URL,
+            });
+          } else {
+            execInstall();
+          }
+        })
+        .catch(error => {
+          standardIPCReply(event, Constants.IPC_Install_Dependency_Reply, {
+            Source: data.Source,
+            URL: data.URL,
+          }, error);
+        });
+      } else {
+        execInstall();
+      }
+    }
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/DownloadIPC.js

@@ -0,0 +1,24 @@
+const Constants = require('../../constants');
+const helpers = require('../../helpers');
+
+const addListeners = (ipcMain, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Download_File, (event, data) => {
+    const destination = path.join(helpers.getDataDirectory(), data.Filename);
+    helpers.downloadFile(data.URL, destination, (progress) => {
+      standardIPCReply(event, Constants.IPC_Download_File_Progress, {
+        Destination: destination,
+        Progress: progress,
+        URL: data.URL,
+      });
+    }, error => {
+      standardIPCReply(event, Constants.IPC_Download_File_Complete, {
+        Destination: destination,
+        URL: data.URL,
+      }, error);
+    });
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/FilesystemIPC.js

@@ -0,0 +1,31 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+
+const addListeners = (ipcMain, getMainWindow, dialog) => {
+  ipcMain.on(Constants.IPC_Browse_Directory + '_sync', (event, data) => {
+    dialog.showOpenDialog(getMainWindow(), {
+      defaultPath: data.Location,
+      properties: ['openDirectory'],
+      title: data.Title,
+    }, (filePaths) => {
+      if (filePaths && (filePaths.length > 0)) {
+        event.returnValue = filePaths[0];
+      } else {
+        event.returnValue = '';
+      }
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Delete_File, (event, data) => {
+    try {
+      if (fs.existsSync(data.FilePath)) {
+        fs.unlinkSync(data.FilePath);
+      }
+    } catch (e) {
+    }
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/MountsIPC.js

@@ -0,0 +1,249 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+const os = require('os');
+
+let expectedUnmount = {};
+let firstMountCheck = true;
+let manualMountDetection = {};
+let mountedData = {};
+let mountedLocations = [];
+
+const clearManualMountDetection = provider => {
+  if (manualMountDetection[provider]) {
+    clearInterval(manualMountDetection[provider]);
+    delete manualMountDetection[provider];
+  }
+};
+
+const monitorMount = (sender, provider, version, pid, location) => {
+  manualMountDetection[provider] = setInterval(() => {
+    helpers
+      .detectRepertoryMounts(version)
+      .then(result => {
+        if (result[provider].PID !== pid) {
+          if (result[provider].PID === -1) {
+            clearManualMountDetection(provider);
+            sender.send(Constants.IPC_Unmount_Drive_Reply, {
+              data: {
+                Expected: expectedUnmount[provider],
+                Location: location,
+                Provider: provider,
+                Error: Error(provider + ' Unmounted').toString(),
+                Success: false,
+              }
+            });
+          } else {
+            pid = result[provider].PID;
+          }
+        }
+      })
+      .catch(e => {
+        console.log(e);
+      });
+  },6000);
+};
+
+const unmountAllDrives = () => {
+  // Reset mount states
+  for (const provider of Constants.PROVIDER_LIST) {
+    clearManualMountDetection(provider);
+    expectedUnmount[provider] = true;
+  }
+
+  // Unmount all items
+  for (const i in mountedLocations) {
+    const data = mountedData[mountedLocations[i]];
+    helpers.stopMountProcessSync(data.Version, data.Provider);
+  }
+
+  mountedLocations = [];
+  mountedData = {};
+};
+
+const addListeners = (ipcMain, setTrayImage, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Check_Mount_Location + '_sync', (event, data) => {
+    let response = {
+      Success: true,
+      Error: ''
+    };
+
+    try {
+      if (fs.existsSync(data.Location) && fs.statSync(data.Location).isDirectory()) {
+        if (fs.readdirSync(data.Location).length !== 0) {
+          response.Success = false;
+          response.Error = 'Directory not empty: ' + data.Location;
+        }
+      } else {
+        response.Success = false;
+        response.Error = 'Directory not found: ' + data.Location;
+      }
+    } catch (e) {
+      response.Success = false;
+      response.Error = e.toString();
+    }
+    event.returnValue = response;
+  });
+
+  ipcMain.on(Constants.IPC_Detect_Mounts, (event, data) => {
+    let driveLetters = {};
+    for (const provider of Constants.PROVIDER_LIST) {
+      driveLetters[provider] = [];
+    }
+
+    const grabDriveLetters = (locations) => {
+      for (let i = 'c'.charCodeAt(0); i <= 'z'.charCodeAt(0); i++) {
+        const drive = (String.fromCharCode(i) + ':').toUpperCase();
+        let driveInUse;
+        if (Object.keys(locations).length > 0) {
+          for (const provider of Constants.PROVIDER_LIST) {
+            driveInUse = locations[provider].startsWith(drive);
+            if (driveInUse)
+              break;
+          }
+        }
+        if (!driveInUse) {
+          try {
+            if (!fs.existsSync(drive)) {
+              for (const provider of Constants.PROVIDER_LIST) {
+                driveLetters[provider].push(drive);
+              }
+            }
+          } catch (e) {
+          }
+        }
+      }
+
+      if (Object.keys(locations).length > 0) {
+        for (const provider of Constants.PROVIDER_LIST) {
+          if (locations[provider].length > 0) {
+            if (!driveLetters[provider].find((driveLetter) => {
+              return driveLetter === locations[provider];
+            })) {
+              driveLetters[provider].push(locations[provider]);
+            }
+          }
+        }
+      }
+    };
+
+    const setImage = (locations) => {
+      let driveInUse;
+      if (Object.keys(locations).length > 0) {
+        for (const provider of Constants.PROVIDER_LIST) {
+          driveInUse = locations[provider].length > 0;
+          if (driveInUse)
+            break;
+        }
+      }
+
+      setTrayImage(driveInUse)
+    };
+
+    helpers
+      .detectRepertoryMounts(data.Version)
+      .then((results) => {
+        let storageData = {};
+        let locations = {};
+        for (const provider of Constants.PROVIDER_LIST) {
+          storageData[provider] = results[provider] ? results[provider] : {
+            Active: false,
+            Location: '',
+            PID: -1,
+          };
+          locations[provider] = storageData[provider].Location;
+
+          if (storageData[provider].PID !== -1) {
+            expectedUnmount[provider] = false;
+            if (firstMountCheck) {
+              monitorMount(event.sender, provider, data.Version, storageData[provider].PID, storageData[provider].Location);
+            }
+          }
+        }
+
+        if (os.platform() === 'win32') {
+          grabDriveLetters(locations);
+        }
+
+        setImage(locations);
+        if (firstMountCheck) {
+          firstMountCheck = false;
+        }
+        standardIPCReply(event, Constants.IPC_Detect_Mounts_Reply, {
+          DriveLetters: driveLetters,
+          Locations: locations,
+        });
+      })
+      .catch(error => {
+        if (os.platform() === 'win32') {
+          grabDriveLetters({});
+        }
+        setImage({});
+        standardIPCReply(event, Constants.IPC_Detect_Mounts_Reply, {
+          DriveLetters: driveLetters,
+        }, error);
+      });
+  });
+
+  ipcMain.on(Constants.IPC_Mount_Drive, (event, data) => {
+    expectedUnmount[data.Provider] = false;
+
+    if (mountedLocations.indexOf(data.Location) !== -1) {
+      console.log(data.Provider + ' already mounted: ' + data.Location);
+    } else {
+      mountedLocations.push(data.Location);
+      mountedData[data.Location] = {
+        Version: data.Version,
+        Provider: data.Provider,
+      };
+      const errorHandler = (pid, error) => {
+        if (mountedLocations.indexOf(data.Location) !== -1) {
+          mountedLocations.splice(mountedLocations.indexOf(data.Location), 1);
+          delete mountedData[data.Location];
+        }
+
+        standardIPCReply(event, Constants.IPC_Unmount_Drive_Reply, {
+          Expected: expectedUnmount[data.Provider],
+          Location: data.Location,
+          Provider: data.Provider,
+        }, error || Error(data.Provider + ' Unmounted'));
+      };
+      helpers
+      .executeMount(data.Version, data.Provider, data.Location, data.NoConsoleSupported, (error, pid) => {
+        errorHandler(pid, error);
+      })
+      .then(() => {
+        standardIPCReply(event, Constants.IPC_Mount_Drive_Reply, {
+          Provider: data.Provider,
+        });
+      })
+      .catch(error => {
+        errorHandler(-1, error);
+      });
+    }
+  });
+
+  ipcMain.on(Constants.IPC_Unmount_All_Drives, (event, data) => {
+    unmountAllDrives();
+    standardIPCReply(event, Constants.IPC_Unmount_All_Drives_Reply);
+  });
+
+  ipcMain.on(Constants.IPC_Unmount_Drive, (event, data) => {
+    clearManualMountDetection(data.Provider);
+
+    expectedUnmount[data.Provider] = true;
+    helpers
+      .stopMountProcess(data.Version, data.Provider)
+      .then(result => {
+        console.log(result);
+      })
+      .catch(e => {
+        console.log(e);
+      });
+  });
+};
+
+module.exports = {
+  addListeners,
+  unmountAllDrives
+};

src/renderer/ipc/PlatformIPC.js

@@ -0,0 +1,79 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+const os = require('os');
+const path = require('path');
+
+let _platformOverride;
+
+const getPlatformOverride = () => {
+  return _platformOverride;
+};
+
+const setPlatformOverride = platformOverride => {
+  _platformOverride = platformOverride;
+};
+
+const addListeners = (ipcMain, detectScript, saveUiSettings) => {
+  ipcMain.on(Constants.IPC_Get_Platform, (event) => {
+    const sendResponse = (appPlatform, platform) => {
+      event.sender.send(Constants.IPC_Get_Platform_Reply, {
+        AppPlatform: appPlatform,
+        Platform: platform,
+      });
+    };
+
+    const platform = os.platform();
+    if (platform === 'linux') {
+      if (_platformOverride && (_platformOverride.length > 0)) {
+        sendResponse(_platformOverride, 'linux');
+      } else {
+        const scriptFile = path.join(os.tmpdir(), 'repertory_detect_linux.sh');
+        fs.writeFileSync(scriptFile, detectScript);
+
+        helpers
+        .executeScript(scriptFile)
+        .then(data => {
+          let appPlatform = data.replace(/(\r\n|\n|\r)/gm, "");
+          if (appPlatform === 'unknown') {
+            helpers
+            .downloadFile(Constants.LINUX_DETECT_SCRIPT_URL, scriptFile, null, err => {
+              if (err) {
+                sendResponse(appPlatform, platform);
+              } else {
+                helpers
+                .executeScript(scriptFile)
+                .then(data => {
+                  appPlatform = data.replace(/(\r\n|\n|\r)/gm, "");
+                  sendResponse(appPlatform, platform);
+                })
+                .catch(() => {
+                  sendResponse(appPlatform, platform);
+                });
+              }
+            });
+          } else {
+            sendResponse(appPlatform, platform);
+          }
+        })
+        .catch(() => {
+          sendResponse(platform, platform);
+        });
+      }
+    } else {
+      sendResponse(platform, platform);
+    }
+  });
+
+  ipcMain.on(Constants.IPC_Set_Linux_AppPlatform, (event, data) => {
+    setPlatformOverride(data.AppPlatform);
+    saveUiSettings();
+    event.returnValue = true;
+  });
+};
+
+module.exports = {
+  getPlatformOverride,
+  setPlatformOverride,
+  addListeners
+};

src/renderer/ipc/ReleaseIPC.js

@@ -0,0 +1,87 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+const os = require('os');
+const path = require('path');
+const unzip = require('unzipper');
+
+const addListeners = (ipcMain, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Check_Installed, (event, data) => {
+    const destination = path.join(helpers.getDataDirectory(), data.Version);
+    helpers
+    .getMissingDependencies(data.Dependencies)
+    .then((dependencies) => {
+      let exists = false;
+      try {
+        exists = fs.existsSync(destination) && fs.lstatSync(destination).isDirectory();
+      } catch (e) {
+      }
+      standardIPCReply(event, Constants.IPC_Check_Installed_Reply, {
+        Dependencies: dependencies,
+        Exists: exists,
+        Version: data.Version,
+      });
+    }).catch(error => {
+      standardIPCReply(event, Constants.IPC_Check_Installed_Reply, {
+        Dependencies: [],
+        Version: data.Version,
+      }, error);
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Extract_Release, (event, data) => {
+    const destination = path.join(helpers.getDataDirectory(), data.Version);
+    helpers.removeDirectoryRecursively(destination);
+    helpers.mkDirByPathSync(destination);
+
+    const stream = fs.createReadStream(data.Source);
+    stream
+    .pipe(unzip.Extract({ path: destination }))
+    .on('error', error => {
+      try {
+        helpers.removeDirectoryRecursively(destination);
+      } catch (e) {
+      }
+      stream.close();
+      standardIPCReply(event, Constants.IPC_Extract_Release_Complete, {
+        Source: data.Source,
+      }, error);
+    })
+    .on('finish', () => {
+      stream.close();
+      if (os.platform() !== 'win32') {
+        helpers
+        .executeAndWait("chmod +x \"" + path.join(destination, 'repertory') + "\"")
+        .then(() => {
+          standardIPCReply(event, Constants.IPC_Extract_Release_Complete, {
+            Source: data.Source,
+          });
+        })
+        .catch(error => {
+          standardIPCReply(event, Constants.IPC_Extract_Release_Complete, {
+            Source: data.Source,
+          }, error);
+        })
+      } else {
+        standardIPCReply(event, Constants.IPC_Extract_Release_Complete, {
+          Source: data.Source,
+        });
+      }
+    });
+  });
+
+  ipcMain.on(Constants.IPC_Test_Release, (event, data) => {
+    helpers
+    .testRepertoryBinary(data.Version)
+    .then(() => {
+      standardIPCReply(event, Constants.IPC_Test_Release_Reply, {});
+    })
+    .catch(error => {
+      standardIPCReply(event, Constants.IPC_Test_Release_Reply, {}, error);
+    });
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/StateIPC.js

@@ -0,0 +1,30 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+const path = require('path');
+
+const addListeners = ipcMain => {
+  ipcMain.on(Constants.IPC_Get_State, event => {
+    helpers.mkDirByPathSync(helpers.getDataDirectory());
+    const configFile = path.join(helpers.getDataDirectory(), 'settings.json');
+    if (fs.existsSync(configFile)) {
+      event.sender.send(Constants.IPC_Get_State_Reply, {
+        data: JSON.parse(fs.readFileSync(configFile, 'utf8')),
+      });
+    } else {
+      event.sender.send(Constants.IPC_Get_State_Reply, {
+        data: null,
+      });
+    }
+  });
+
+  ipcMain.on(Constants.IPC_Save_State, (event, data) => {
+    helpers.mkDirByPathSync(helpers.getDataDirectory());
+    const configFile = path.join(helpers.getDataDirectory(), 'settings.json');
+    fs.writeFileSync(configFile, JSON.stringify(data.State), 'utf8');
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/SystemIPC.js

@@ -0,0 +1,16 @@
+const Constants = require('../../constants');
+const os = require('os');
+const helpers = require('../../helpers');
+
+const addListeners = (ipcMain, closeApplication) => {
+  ipcMain.on(Constants.IPC_Reboot_System, () => {
+    if (os.platform() === 'win32') {
+      helpers.executeAsync('shutdown.exe', ['/r', '/t', '30']);
+    }
+    closeApplication();
+  });
+};
+
+module.exports = {
+  addListeners
+};

src/renderer/ipc/UpgradeIPC.js

@@ -0,0 +1,116 @@
+const Constants = require('../../constants');
+const fs = require('fs');
+const helpers = require('../../helpers');
+const os = require('os');
+
+const addListeners = (ipcMain, setIsInstalling, unmountAllDrives, standardIPCReply) => {
+  ipcMain.on(Constants.IPC_Install_Upgrade, (event, data) => {
+    let allowSkipVerification = true;
+
+    unmountAllDrives();
+
+    let tempSig;
+    let tempPub;
+    const cleanupFiles = () => {
+      try {
+        if (tempSig) {
+          fs.unlinkSync(tempSig);
+        }
+        if (tempPub) {
+          fs.unlinkSync(tempPub);
+        }
+      } catch (e) {
+      }
+    };
+
+    const errorHandler = err => {
+      cleanupFiles();
+      setIsInstalling(false);
+      standardIPCReply(event, Constants.IPC_Install_Upgrade_Reply, {
+        AllowSkipVerification: allowSkipVerification,
+        Source: data.Source,
+      }, err);
+    };
+
+    // TODO Enable verification in 1.0.4
+    const hasSignature = false;//!data.SkipVerification && data.Signature && (data.Signature.length > 0);
+    const hasHash = false;//!data.SkipVerification && data.Sha256 && (data.Sha256.length > 0);
+    if (hasSignature) {
+      try {
+        const files = helpers.createSignatureFiles(data.Signature, Constants.DEV_PUBLIC_KEY);
+        tempPub = files.PublicKeyFile;
+        tempSig = files.SignatureFile;
+      } catch (e) {
+        errorHandler(e);
+        return;
+      }
+    }
+
+    let command;
+    let args;
+    const platform = os.platform();
+    if (platform === 'win32') {
+      command = data.Source;
+    } else if (platform === 'darwin') {
+      command = 'open';
+      args = ['-a', 'Finder', data.Source];
+    } else if (platform === 'linux') {
+      try {
+        command = data.Source;
+        fs.chmodSync(command, '750');
+      } catch (e) {
+        errorHandler(e);
+      }
+    } else {
+      errorHandler(Error('Platform not supported: ' + os.platform()));
+    }
+
+    if (command) {
+      const executeInstall = () => {
+        setIsInstalling(true);
+        helpers
+        .executeAsync(command, args)
+        .then(() => {
+          cleanupFiles();
+          standardIPCReply(event, Constants.IPC_Install_Upgrade_Reply)
+        })
+        .catch(error => {
+          setIsInstalling(false);
+          errorHandler(error);
+        });
+      };
+
+      if (hasSignature) {
+        helpers
+        .verifySignature(data.Source, tempSig, tempPub)
+        .then(() => {
+          executeInstall();
+        })
+        .catch(() => {
+          errorHandler(Error('Failed to verify installation package signature'));
+        });
+      } else if (hasHash) {
+        helpers
+        .verifyHash(data.Source, data.Sha256)
+        .then(()=> {
+          executeInstall();
+        })
+        .catch(() => {
+          errorHandler(Error('Failed to verify installation package hash'));
+        });
+      } else {
+        if (platform === 'darwin') {
+          setTimeout(executeInstall, 3000);
+        } else {
+          executeInstall();
+        }
+      }
+    } else {
+      errorHandler(Error('Unsupported upgrade: ' + data.Source));
+    }
+  });
+};
+
+module.exports = {
+  addListeners
+};