26 lines
1.3 KiB
JavaScript
26 lines
1.3 KiB
JavaScript
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"use strict";
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const HEADER = "x-learnharness-desktop";
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/** Called for EVERY outgoing request, so redirects cannot carry the secret
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* to another origin. Never expose this function or its secret to preload. */
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function desktopAPIHeaders(details, origin, secret, windows) {
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const headers = { ...details.requestHeaders };
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for (const name of Object.keys(headers)) if (name.toLowerCase() === HEADER) delete headers[name];
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if (!secret) return headers;
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try {
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const target = new URL(details.url);
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if (target.origin !== origin || target.username || target.password || !(target.pathname === "/api" || target.pathname.startsWith("/api/"))) return headers;
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const win = windows.find((candidate) => !candidate.isDestroyed() && candidate.webContents.id === details.webContentsId);
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if (!win || win.webContents.isDestroyed()) return headers;
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const contents = win.webContents;
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if (details.webContents && details.webContents !== contents) return headers;
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if (!details.frame || details.frame !== contents.mainFrame) return headers;
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if (new URL(contents.mainFrame.url).origin !== origin) return headers;
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if (details.initiatorOrigin !== undefined && details.initiatorOrigin !== origin) return headers;
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headers[HEADER] = secret;
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} catch { /* Missing/destroyed/navigated frames fail closed. */ }
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return headers;
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}
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module.exports = { desktopAPIHeaders, HEADER };
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