update

src/main/browser/browser-url-helpers.ts

@@ -0,0 +1,100 @@
+import { BrowserWindow } from "electron";
+import log from "electron-log/main.js";
+import { PLATFORM_RULES } from "./browser-types";
+
+export function getPlatformRules(platform: string) {
+  return PLATFORM_RULES[platform] ?? PLATFORM_RULES.other;
+}
+
+export function assertAllowedUrl(platform: string, rawUrl: string, actionType: string) {
+  const allowedHosts = getPlatformRules(platform).allowedHosts;
+  let url: URL;
+  try {
+    url = new URL(rawUrl);
+  } catch {
+    throw new Error(`Invalid URL for ${actionType}: ${rawUrl}`);
+  }
+  if (url.protocol !== "https:") {
+    throw new Error(`Navigation blocked for ${actionType}. Only https URLs are allowed.`);
+  }
+  const host = url.hostname.toLowerCase();
+  const isAllowed = allowedHosts.some((allowedHost) => host === allowedHost || host.endsWith(`.${allowedHost}`));
+  if (!isAllowed) {
+    throw new Error(`Navigation blocked for ${actionType}. ${host} is outside the allowed ${platform} domains.`);
+  }
+}
+
+export function isAllowedNavigation(platform: string, rawUrl: string): boolean {
+  try {
+    assertAllowedUrl(platform, rawUrl, "navigate");
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+export function attachWindowSecurity(win: BrowserWindow, platform: string) {
+  win.webContents.setWindowOpenHandler(({ url }) => {
+    if (!isAllowedNavigation(platform, url)) {
+      return { action: "deny" };
+    }
+    setImmediate(() => {
+      void win.loadURL(url).catch((error) => {
+        log.warn(`[browser] Failed to open allowed popup target for ${platform}: ${error instanceof Error ? error.message : String(error)}`);
+      });
+    });
+    return { action: "deny" };
+  });
+  win.webContents.on("will-navigate", (event, navigationUrl) => {
+    if (isAllowedNavigation(platform, navigationUrl)) {
+      return;
+    }
+    event.preventDefault();
+    log.warn(`[browser] Blocked navigation outside allowlist for ${platform}: ${navigationUrl}`);
+  });
+  win.webContents.on("will-redirect", (event, navigationUrl) => {
+    if (isAllowedNavigation(platform, navigationUrl)) {
+      return;
+    }
+    event.preventDefault();
+    log.warn(`[browser] Blocked redirect outside allowlist for ${platform}: ${navigationUrl}`);
+  });
+}
+
+export function getComposeUrl(platform: string): string {
+  const urls: Record<string, string> = {
+    twitter: "https://x.com/compose/tweet",
+    linkedin: "https://www.linkedin.com/feed/",
+    instagram: "https://www.instagram.com/",
+    facebook: "https://www.facebook.com/",
+    reddit: "https://www.reddit.com/submit",
+    bluesky: "https://bsky.app/",
+    youtube: "https://www.youtube.com/",
+    tiktok: "https://www.tiktok.com/",
+  };
+  return urls[platform] || getPlatformRules(platform).loginUrl;
+}
+
+export function getFeedUrl(platform: string): string {
+  const urls: Record<string, string> = {
+    twitter: "https://x.com/home",
+    linkedin: "https://www.linkedin.com/feed/",
+    instagram: "https://www.instagram.com/",
+    facebook: "https://www.facebook.com/",
+    reddit: "https://www.reddit.com/",
+    bluesky: "https://bsky.app/",
+    youtube: "https://www.youtube.com/",
+    tiktok: "https://www.tiktok.com/",
+  };
+  return urls[platform] || getPlatformRules(platform).loginUrl;
+}
+
+export function getSearchUrl(platform: string, query: string): string {
+  const q = encodeURIComponent(query);
+  const urls: Record<string, string> = {
+    twitter: `https://x.com/search?q=${q}`,
+    linkedin: `https://www.linkedin.com/search/results/all/?keywords=${q}`,
+    reddit: `https://www.reddit.com/search/?q=${q}`,
+  };
+  return urls[platform] || `https://google.com/search?q=${q}`;
+}