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import { app } from 'electron';
import * as fs from 'fs';
import * as path from 'path';
import { IGuiSettingsState, SYSTEM_PREFERRED_LOCALE_KEY } from '../shared/gui-settings-state';
import log from '../shared/logging';
const settingsSchema = {
preferredLocale: 'string',
autoConnect: 'boolean',
enableSystemNotifications: 'boolean',
monochromaticIcon: 'boolean',
startMinimized: 'boolean',
unpinnedWindow: 'boolean',
browsedForSplitTunnelingApplications: 'Array<string>',
};
const defaultSettings: IGuiSettingsState = {
preferredLocale: SYSTEM_PREFERRED_LOCALE_KEY,
autoConnect: false,
enableSystemNotifications: true,
monochromaticIcon: false,
startMinimized: false,
unpinnedWindow: process.platform !== 'win32' && process.platform !== 'darwin',
browsedForSplitTunnelingApplications: [],
};
export default class GuiSettings {
public onChange?: (newState: IGuiSettingsState, oldState: IGuiSettingsState) => void;
private stateValue: IGuiSettingsState = { ...defaultSettings };
get state(): IGuiSettingsState {
return this.stateValue;
}
set preferredLocale(newValue: string) {
this.changeStateAndNotify({ ...this.stateValue, preferredLocale: newValue });
}
get preferredLocale(): string {
return this.stateValue.preferredLocale;
}
set enableSystemNotifications(newValue: boolean) {
this.changeStateAndNotify({ ...this.stateValue, enableSystemNotifications: newValue });
}
get enableSystemNotifications(): boolean {
return this.stateValue.enableSystemNotifications;
}
set autoConnect(newValue: boolean) {
this.changeStateAndNotify({ ...this.stateValue, autoConnect: newValue });
}
get autoConnect(): boolean {
return this.stateValue.autoConnect;
}
set monochromaticIcon(newValue: boolean) {
this.changeStateAndNotify({ ...this.stateValue, monochromaticIcon: newValue });
}
get monochromaticIcon(): boolean {
return this.stateValue.monochromaticIcon;
}
set startMinimized(newValue: boolean) {
this.changeStateAndNotify({ ...this.stateValue, startMinimized: newValue });
}
get startMinimized(): boolean {
return this.stateValue.startMinimized;
}
set unpinnedWindow(newValue: boolean) {
this.changeStateAndNotify({ ...this.stateValue, unpinnedWindow: newValue });
}
get unpinnedWindow(): boolean {
return this.stateValue.unpinnedWindow;
}
public addBrowsedForSplitTunnelingApplications(newApp: string) {
this.changeStateAndNotify({
...this.stateValue,
browsedForSplitTunnelingApplications: [...this.browsedForSplitTunnelingApplications, newApp],
});
}
get browsedForSplitTunnelingApplications(): Array<string> {
return this.stateValue.browsedForSplitTunnelingApplications;
}
public load() {
try {
const settingsFile = this.filePath();
const contents = fs.readFileSync(settingsFile, 'utf8');
const rawJson = JSON.parse(contents);
this.stateValue = {
...defaultSettings,
...this.validateSettings(rawJson),
};
} catch (e) {
const error = e as Error & { code?: string };
// Read settings if the file exists, otherwise write the default settings to it.
if (error.code === 'ENOENT') {
log.verbose('Creating gui-settings file and writing the default settings to it');
this.store();
} else {
log.error(`Failed to read GUI settings file: ${error}`);
}
}
}
public store() {
try {
const settingsFile = this.filePath();
fs.writeFileSync(settingsFile, JSON.stringify(this.stateValue));
} catch (error) {
log.error(`Failed to write GUI settings file: ${error}`);
}
}
private validateSettings(settings: Record<string, unknown>) {
Object.entries(settingsSchema).forEach(([key, expectedType]) => {
if (key in settings) {
if (/^Array<.*>/.test(expectedType)) {
const value = settings[key];
if (!Array.isArray(value)) {
throw new Error(`Expected ${key} to be array but wasn't`);
} else {
const expectedInnerType = expectedType.replace(/^Array</, '').replace(/>$/, '');
const innerTypes: string[] = value.map((value) => typeof value);
if (
innerTypes.length > 0 &&
(innerTypes.some((value) => value !== innerTypes[0]) ||
innerTypes[0] !== expectedInnerType)
) {
throw new Error(`Expected ${key} to contain ${expectedInnerType}s`);
}
}
} else {
const actualType = typeof settings[key];
if (actualType !== expectedType) {
throw new Error(`Expected ${key} to be of type ${expectedType} but was ${actualType}`);
}
}
}
});
return settings as Partial<IGuiSettingsState>;
}
private filePath() {
return path.join(app.getPath('userData'), 'gui_settings.json');
}
private changeStateAndNotify(newState: IGuiSettingsState) {
const oldState = this.stateValue;
this.stateValue = newState;
this.store();
if (this.onChange) {
this.onChange({ ...newState }, oldState);
}
}
}
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