Files
MorphDoc/apps/desktop/src/main.ts
T

389 lines
11 KiB
TypeScript

import {
app,
Menu,
net,
protocol,
session
} from "electron";
import { access, mkdir } from "node:fs/promises";
import { existsSync } from "node:fs";
import path from "node:path";
import { fileURLToPath, pathToFileURL } from "node:url";
import {
createApplicationService,
type ApplicationService
} from "@md-to-pdf/application";
import {
parseFontPackResourceUrl,
parseThemeResourceUrl
} from "./application-contract.js";
import {
DesktopApplicationController
} from "./desktop-application-controller.js";
import { DESKTOP_PDF_PARTITION } from "./electron-pdf-generator.js";
import { DESKTOP_DOCX_PARTITION } from "./electron-docx-media-engine.js";
import {
findMarkdownFileArgument,
isMarkdownFilePath
} from "./markdown-file.js";
import { migrateLegacyUserData } from "./user-data-migration.js";
const APP_SCHEME = "mdpdf";
const APP_HOST = "bundle";
const THEME_HOST = "theme";
const FONT_PACK_HOST = "font-pack";
const currentDirectory = path.dirname(fileURLToPath(import.meta.url));
let applicationController: DesktopApplicationController | undefined;
let pendingExternalMarkdownPath = findMarkdownFileArgument(
process.argv,
process.cwd()
);
function configurePackagedUserDataDirectory() {
if (!app.isPackaged) {
return Promise.resolve();
}
const appDataDirectory = app.getPath("appData");
const targetDirectory = path.join(
appDataDirectory,
__APP_ENGLISH_NAME__
);
const targetAlreadyExists = existsSync(targetDirectory);
app.setPath("userData", targetDirectory);
if (targetAlreadyExists) {
return Promise.resolve();
}
return migrateLegacyUserData(
[path.join(appDataDirectory, __APP_LEGACY_DISPLAY_NAME__)],
targetDirectory
).then(() => undefined);
}
const userDataMigration = configurePackagedUserDataDirectory();
protocol.registerSchemesAsPrivileged([
{
scheme: APP_SCHEME,
privileges: {
standard: true,
secure: true,
supportFetchAPI: true,
stream: true,
codeCache: true,
corsEnabled: true
}
}
]);
function getCommandLineValue(name: string) {
const prefix = `--${name}=`;
return process.argv
.find((argument) => argument.startsWith(prefix))
?.slice(prefix.length);
}
function getWebRoot() {
return app.isPackaged
? path.join(process.resourcesPath, "dist")
: path.resolve(currentDirectory, "../../web/dist");
}
function getApplicationIcon() {
if (app.isPackaged) {
return path.join(
process.resourcesPath,
process.platform === "darwin" ? "app.icns" : "app.ico"
);
}
const projectRoot = path.resolve(currentDirectory, "../../..");
return path.join(
projectRoot,
"logos",
"desktop",
process.platform === "darwin" ? "macos" : "windows",
process.platform === "darwin" ? "app.icns" : "app.ico"
);
}
function encodeThemeAssetPath(assetPath: string) {
return assetPath
.split("/")
.map((segment) => encodeURIComponent(segment))
.join("/");
}
function dispatchExternalMarkdown(filePath: string) {
if (!applicationController) {
pendingExternalMarkdownPath = filePath;
return;
}
void applicationController.openExternalMarkdown(filePath).catch(
(error: unknown) => {
console.warn("无法打开系统传入的 Markdown 文件", error);
}
);
}
function getDesktopThemeDirectory() {
return app.isPackaged
? path.join(app.getPath("userData"), "themes")
: path.resolve(currentDirectory, "../../..", ".local", "themes");
}
function getDesktopFontPackDirectory() {
if (!app.isPackaged) {
return path.resolve(
currentDirectory,
"../../..",
".local",
"font-packs"
);
}
const localApplicationData = process.env.LOCALAPPDATA?.trim();
return localApplicationData
? path.join(localApplicationData, "md-to-pdf", "font-packs")
: path.join(app.getPath("userData"), "font-packs");
}
function createDesktopApplicationService() {
const projectRoot = path.resolve(currentDirectory, "../../..");
return createApplicationService({
bundledRoot: app.isPackaged
? path.join(process.resourcesPath, "themes")
: path.join(projectRoot, "themes"),
localRoot: getDesktopThemeDirectory(),
createAssetUrl: (themeId, assetPath) =>
`${APP_SCHEME}://${THEME_HOST}/${encodeURIComponent(themeId)}/${encodeThemeAssetPath(assetPath)}`,
fontPacks: {
roots: [getDesktopFontPackDirectory()],
appVersion: app.getVersion(),
createAssetUrl: (
packId,
version,
faceId,
kind,
sha256
) =>
`${APP_SCHEME}://${FONT_PACK_HOST}/${encodeURIComponent(
packId
)}/${encodeURIComponent(version)}/${encodeURIComponent(
faceId
)}/${kind}?v=${sha256}`
},
onWarning: (message) => console.warn(message)
});
}
function isContainedPath(root: string, target: string) {
const relative = path.relative(root, target);
return (
relative !== ".." &&
!relative.startsWith(`..${path.sep}`) &&
!path.isAbsolute(relative)
);
}
async function registerApplicationProtocol(
applicationService: ApplicationService
) {
const webRoot = getWebRoot();
const handleRequest = async (request: Request) => {
const url = new URL(request.url);
if (url.host === THEME_HOST) {
try {
const resource = parseThemeResourceUrl(request.url);
if (!resource) {
return new Response("Not found", { status: 404 });
}
const asset = await applicationService.getThemeAsset(
resource.themeId,
resource.assetPath
);
if (!asset) {
return new Response("Not found", { status: 404 });
}
return new Response(asset.content, {
headers: {
"access-control-allow-origin": "*",
"cache-control": "public, max-age=300",
"content-type": asset.contentType,
"x-content-type-options": "nosniff"
}
});
} catch {
return new Response("Not found", { status: 404 });
}
}
if (url.host === FONT_PACK_HOST) {
try {
const resource = parseFontPackResourceUrl(request.url);
if (!resource) {
return new Response("Not found", { status: 404 });
}
const asset = await applicationService.getFontPackAsset(
resource.packId,
resource.packVersion,
resource.faceId,
resource.kind
);
if (!asset) {
return new Response("Not found", { status: 404 });
}
return new Response(asset.content, {
headers: {
"access-control-allow-origin": "*",
"cache-control": "public, max-age=31536000, immutable",
"content-type": asset.contentType,
etag: `\"${asset.sha256}\"`,
"x-content-type-options": "nosniff"
}
});
} catch {
return new Response("Not found", { status: 404 });
}
}
if (url.host !== APP_HOST) {
return new Response("Not found", { status: 404 });
}
let relativePath: string;
try {
relativePath =
decodeURIComponent(url.pathname).replace(/^\/+/, "") ||
"index.html";
} catch {
return new Response("Bad request", { status: 400 });
}
const target = path.resolve(webRoot, relativePath);
if (!isContainedPath(webRoot, target)) {
return new Response("Forbidden", { status: 403 });
}
try {
await access(target);
} catch {
return new Response("Not found", { status: 404 });
}
return net.fetch(pathToFileURL(target).href);
};
await Promise.all([
protocol.handle(APP_SCHEME, handleRequest),
session
.fromPartition(DESKTOP_PDF_PARTITION)
.protocol.handle(APP_SCHEME, handleRequest),
session
.fromPartition(DESKTOP_DOCX_PARTITION)
.protocol.handle(APP_SCHEME, handleRequest)
]);
}
const hasSingleInstanceLock = app.requestSingleInstanceLock();
let windowStateReadyToQuit = false;
if (!hasSingleInstanceLock) {
app.quit();
} else {
app.on("second-instance", (_event, arguments_, workingDirectory) => {
const filePath = findMarkdownFileArgument(
arguments_,
workingDirectory
);
if (filePath) {
dispatchExternalMarkdown(filePath);
} else if (!applicationController?.focusMostRecentWindow()) {
void applicationController?.createWindow();
}
});
app.on("open-file", (event, filePath) => {
event.preventDefault();
if (isMarkdownFilePath(filePath)) {
dispatchExternalMarkdown(filePath);
}
});
app.on("activate", () => {
if (!applicationController?.focusMostRecentWindow()) {
void applicationController?.createWindow();
}
});
app.on("before-quit", (event) => {
if (windowStateReadyToQuit || !applicationController) {
return;
}
event.preventDefault();
void Promise.all([
applicationController.flushWindowState(),
applicationController.closeResources()
]).finally(() => {
windowStateReadyToQuit = true;
app.quit();
setTimeout(() => {
windowStateReadyToQuit = false;
}, 1_000);
});
});
app
.whenReady()
.then(async () => {
await userDataMigration;
Menu.setApplicationMenu(null);
if (process.platform === "win32") {
app.setAppUserModelId(__APP_ID__);
}
const themeDirectory = getDesktopThemeDirectory();
await mkdir(themeDirectory, { recursive: true });
const applicationService = createDesktopApplicationService();
await registerApplicationProtocol(applicationService);
const developmentUrl = getCommandLineValue("web-url");
const applicationUrl =
developmentUrl ?? `${APP_SCHEME}://${APP_HOST}/index.html`;
applicationController = new DesktopApplicationController({
applicationService,
applicationUrl,
renderUrl: new URL(
"/preview-frame.html?target=pdf",
applicationUrl
).href,
preloadPath: path.join(
currentDirectory,
"app-preload.cjs"
),
pdfPreloadPath: path.join(
currentDirectory,
"pdf-preload.cjs"
),
docxRenderUrl: new URL(
"/preview-frame.html?target=continuous",
applicationUrl
).href,
desktopResourcesPath: process.resourcesPath,
iconPath: getApplicationIcon(),
themeDirectory,
windowStatePath: path.join(
app.getPath("userData"),
"window-state.json"
),
saveLocationStatePath: path.join(
app.getPath("userData"),
"save-location.json"
),
documentsDirectory: app.getPath("documents")
});
await applicationController.initialize();
const startupMarkdownPath = pendingExternalMarkdownPath;
pendingExternalMarkdownPath = undefined;
await applicationController.createWindow(startupMarkdownPath);
})
.catch((error: unknown) => {
console.error("桌面应用启动失败", error);
app.quit();
});
}
app.on("window-all-closed", () => {
if (process.platform !== "darwin") {
app.quit();
}
});