perfect_python500
3afad02686
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28 lines
1.3 KiB
TypeScript
28 lines
1.3 KiB
TypeScript
import { test } from "node:test";
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import assert from "node:assert/strict";
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import { createHmac } from "node:crypto";
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import { verifyTelegramInitData } from "../lib/telegram-webapp";
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const token = "123:test-token";
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function signedData(authDate = Math.floor(Date.now() / 1000)) {
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const params = new URLSearchParams({
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auth_date: String(authDate),
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query_id: "query",
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user: JSON.stringify({ id: 12345, username: "applicant" }),
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});
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const check = [...params.entries()].sort(([a], [b]) => a.localeCompare(b))
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.map(([key, value]) => key + "=" + value).join("\n");
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const secret = createHmac("sha256", "WebAppData").update(token).digest();
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params.set("hash", createHmac("sha256", secret).update(check).digest("hex"));
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return params.toString();
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}
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test("Telegram init data verifies identity and rejects tampering, duplicates, and expired data", () => {
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const data = signedData();
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assert.deepEqual(verifyTelegramInitData(data, token), { id: "12345", username: "applicant" });
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assert.equal(verifyTelegramInitData(data, "wrong-token"), null);
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assert.equal(verifyTelegramInitData(data.replace("applicant", "impostor"), token), null);
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assert.equal(verifyTelegramInitData(data + "&user=other", token), null);
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assert.equal(verifyTelegramInitData(signedData(Math.floor(Date.now() / 1000) - 90000), token), null);
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});
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