37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
const fs = require("fs");
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function login(filePath, username, password) {
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const raw = fs.readFileSync(filePath, "utf8");
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const state = JSON.parse(raw);
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const user = state.users.find((item) => item.username === username);
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if (!user) {
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throw new Error("User not found");
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}
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if (user.lockedUntil && new Date(user.lockedUntil).getTime() > Date.now()) {
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return { ok: false, reason: "locked" };
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}
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if (user.password !== password) {
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user.failedAttempts = user.failedAttempts + 1;
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if (user.failedAttempts >= 3) {
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user.lockedUntil = new Date(Date.now() + 15 * 60 * 1000).toISOString();
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}
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fs.writeFileSync(filePath, JSON.stringify(state, null, 2));
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return { ok: false, reason: "invalid-password" };
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}
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user.failedAttempts = 0;
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user.lockedUntil = null;
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user.lastLoginAt = new Date().toISOString();
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fs.writeFileSync(filePath, JSON.stringify(state, null, 2));
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console.log("Logged in", username);
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return { ok: true, token: "token-" + username + "-" + Date.now() };
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}
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module.exports = { login };
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