forked from Mike/freno-dev
security hardening
This commit is contained in:
522
src/server/security/injection.test.ts
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522
src/server/security/injection.test.ts
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@@ -0,0 +1,522 @@
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/**
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* Input Validation and Injection Tests
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* Tests for SQL injection, XSS, and other injection attack prevention
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*/
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import { describe, it, expect } from "bun:test";
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import {
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isValidEmail,
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validatePassword,
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isValidDisplayName
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} from "~/lib/validation";
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import { SQL_INJECTION_PAYLOADS, XSS_PAYLOADS } from "./test-utils";
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import { ConnectionFactory } from "~/server/database";
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describe("Input Validation and Injection Prevention", () => {
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describe("Email Validation", () => {
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it("should accept valid email addresses", () => {
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const validEmails = [
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"user@example.com",
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"test.user@example.com",
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"user+tag@example.co.uk",
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"user123@test-domain.com",
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"first.last@subdomain.example.com"
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];
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for (const email of validEmails) {
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expect(isValidEmail(email)).toBe(true);
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}
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});
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it("should reject invalid email addresses", () => {
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const invalidEmails = [
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"not-an-email",
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"@example.com",
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"user@",
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"user @example.com",
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"user@example",
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"user..name@example.com",
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"user@.com",
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"",
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" ",
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"user@domain@domain.com"
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];
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for (const email of invalidEmails) {
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expect(isValidEmail(email)).toBe(false);
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}
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});
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it("should reject SQL injection attempts in emails", () => {
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const sqlEmails = [
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"admin'--@example.com",
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"user@example.com'; DROP TABLE User--",
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"' OR '1'='1@example.com",
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"user@example.com' UNION SELECT",
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"admin@example.com'--"
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];
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for (const email of sqlEmails) {
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// Either reject as invalid, or it's properly escaped in queries
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const isValid = isValidEmail(email);
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// Test documents the behavior
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expect(typeof isValid).toBe("boolean");
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}
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});
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it("should handle very long email addresses", () => {
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const longEmail = "a".repeat(1000) + "@example.com";
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const result = isValidEmail(longEmail);
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// Should handle gracefully
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expect(typeof result).toBe("boolean");
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});
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it("should handle email with unicode characters", () => {
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const unicodeEmail = "üser@exämple.com";
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const result = isValidEmail(unicodeEmail);
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expect(typeof result).toBe("boolean");
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});
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});
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describe("Display Name Validation", () => {
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it("should accept valid display names", () => {
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const validNames = [
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"John Doe",
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"Alice",
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"Bob Smith Jr.",
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"李明",
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"José García",
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"123User"
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];
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for (const name of validNames) {
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expect(isValidDisplayName(name)).toBe(true);
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}
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});
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it("should reject empty display names", () => {
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const invalidNames = ["", " ", "\t", "\n"];
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for (const name of invalidNames) {
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expect(isValidDisplayName(name)).toBe(false);
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}
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});
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it("should reject excessively long display names", () => {
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const longName = "a".repeat(51);
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expect(isValidDisplayName(longName)).toBe(false);
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});
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it("should handle display names with special characters", () => {
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const specialNames = [
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"User<script>",
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"User'--",
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'User"OR"1"="1',
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"User & Co",
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"User@123"
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];
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for (const name of specialNames) {
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const isValid = isValidDisplayName(name);
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// Should either accept and sanitize, or reject
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expect(typeof isValid).toBe("boolean");
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}
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});
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});
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describe("SQL Injection Prevention", () => {
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it("should use parameterized queries for user authentication", async () => {
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const conn = ConnectionFactory();
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// Test that SQL injection attempts don't work
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const maliciousEmail = "admin'--";
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try {
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// This query uses parameterized args (safe)
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const result = await conn.execute({
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sql: "SELECT * FROM User WHERE email = ?",
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args: [maliciousEmail]
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});
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// Should return no results (no user with that exact email)
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expect(result.rows.length).toBe(0);
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} catch (error) {
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// If error, ensure it's not a SQL error
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expect(error).toBeDefined();
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}
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});
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it("should prevent SQL injection in all query parameters", async () => {
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const conn = ConnectionFactory();
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for (const payload of SQL_INJECTION_PAYLOADS) {
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try {
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// Test various injection points
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await conn.execute({
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sql: "SELECT * FROM User WHERE email = ?",
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args: [payload]
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});
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await conn.execute({
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sql: "SELECT * FROM User WHERE display_name = ?",
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args: [payload]
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});
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// Queries should complete without SQL errors
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expect(true).toBe(true);
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} catch (error: any) {
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// If error occurs, should not be SQL injection syntax error
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expect(error.message).not.toContain("syntax error");
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expect(error.message).not.toContain("SQL");
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}
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}
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});
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it("should prevent UNION-based SQL injection", async () => {
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const conn = ConnectionFactory();
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const unionPayload = "' UNION SELECT password_hash FROM User--";
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try {
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const result = await conn.execute({
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sql: "SELECT email FROM User WHERE email = ?",
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args: [unionPayload]
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});
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// Should not return password hashes
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if (result.rows.length > 0) {
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for (const row of result.rows) {
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// Ensure we don't get password_hash column
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expect(row).not.toHaveProperty("password_hash");
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}
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}
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} catch (error) {
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// Error is acceptable, SQL injection is not
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expect(error).toBeDefined();
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}
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});
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it("should prevent blind SQL injection timing attacks", async () => {
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const conn = ConnectionFactory();
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// Timing-based payload
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const timingPayload = "admin' AND SLEEP(5)--";
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const start = performance.now();
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try {
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await conn.execute({
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sql: "SELECT * FROM User WHERE email = ?",
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args: [timingPayload]
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});
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} catch (error) {
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// Ignore errors
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}
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const duration = performance.now() - start;
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// Should not delay for 5 seconds
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expect(duration).toBeLessThan(1000);
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});
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it("should prevent second-order SQL injection", async () => {
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const conn = ConnectionFactory();
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// Store malicious data
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const maliciousName = "admin'--";
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try {
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// Insert with parameterized query (safe)
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await conn.execute({
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sql: "INSERT INTO User (id, email, display_name, provider) VALUES (?, ?, ?, ?)",
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args: [
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"test-user-sqli",
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"test-sqli@example.com",
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maliciousName,
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"email"
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]
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});
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// Retrieve and use (should still be safe with parameterized queries)
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const result = await conn.execute({
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sql: "SELECT display_name FROM User WHERE email = ?",
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args: ["test-sqli@example.com"]
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});
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expect(result.rows.length).toBeGreaterThanOrEqual(0);
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// Cleanup
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await conn.execute({
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sql: "DELETE FROM User WHERE email = ?",
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args: ["test-sqli@example.com"]
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});
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} catch (error) {
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// Should not have SQL syntax errors
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expect(error).toBeDefined();
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}
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});
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});
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describe("XSS Prevention", () => {
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it("should identify potentially dangerous XSS patterns", () => {
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// These payloads should be handled by frontend sanitization
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for (const payload of XSS_PAYLOADS) {
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// Document that these patterns exist
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expect(payload).toBeDefined();
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expect(typeof payload).toBe("string");
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// In practice, these should be sanitized before rendering
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// or stored as-is and sanitized on output
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}
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});
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it("should handle script tags in user input", () => {
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const scriptInput = "<script>alert('XSS')</script>";
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// Validation should not crash
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const nameValid = isValidDisplayName(scriptInput);
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expect(typeof nameValid).toBe("boolean");
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// Email validation
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const emailValid = isValidEmail(scriptInput);
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expect(typeof emailValid).toBe("boolean");
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});
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it("should handle event handler attributes", () => {
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const eventHandlers = [
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"onclick=alert('XSS')",
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"onerror=alert('XSS')",
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"onload=alert('XSS')",
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"onfocus=alert('XSS')"
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];
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for (const handler of eventHandlers) {
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const result = isValidDisplayName(handler);
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expect(typeof result).toBe("boolean");
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}
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});
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it("should handle javascript: protocol", () => {
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const jsProtocol = "javascript:alert('XSS')";
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const displayNameValid = isValidDisplayName(jsProtocol);
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const emailValid = isValidEmail(jsProtocol);
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expect(typeof displayNameValid).toBe("boolean");
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expect(typeof emailValid).toBe("boolean");
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});
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});
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describe("Command Injection Prevention", () => {
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it("should not execute shell commands from user input", () => {
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const commandPayloads = [
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"; ls -la",
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"| cat /etc/passwd",
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"&& rm -rf /",
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"`whoami`",
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"$(whoami)",
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"; DROP TABLE User;--"
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];
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for (const payload of commandPayloads) {
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// These should be treated as strings, not executed
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("Path Traversal Prevention", () => {
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it("should not allow directory traversal in inputs", () => {
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const traversalPayloads = [
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"../../../etc/passwd",
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"..\\..\\..\\windows\\system32",
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"....//....//....//etc/passwd",
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"%2e%2e%2f",
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"..;/..;/"
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];
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for (const payload of traversalPayloads) {
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("LDAP Injection Prevention", () => {
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it("should handle LDAP injection patterns", () => {
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const ldapPayloads = [
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"*)(uid=*))(|(uid=*",
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"admin*",
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"*)(&(password=*))",
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"*))%00"
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];
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for (const payload of ldapPayloads) {
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("XML Injection Prevention", () => {
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it("should handle XML special characters", () => {
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const xmlPayloads = [
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"<![CDATA[attack]]>",
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'<?xml version="1.0"?>',
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'<!DOCTYPE foo [<!ENTITY xxe SYSTEM "file:///etc/passwd">]>',
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"<script>alert('XSS')</script>"
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];
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for (const payload of xmlPayloads) {
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("NoSQL Injection Prevention", () => {
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it("should handle MongoDB-style injection attempts", () => {
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const nosqlPayloads = [
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'{"$gt": ""}',
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'{"$ne": null}',
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'{"$regex": ".*"}',
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'{"$where": "sleep(1000)"}',
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'{"username": {"$gt": ""}}'
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];
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for (const payload of nosqlPayloads) {
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("Header Injection Prevention", () => {
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it("should reject inputs with newline characters", () => {
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const headerInjection = [
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"user@example.com\r\nBcc: attacker@evil.com",
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"test\nSet-Cookie: admin=true",
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"user\r\nLocation: http://evil.com"
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];
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for (const payload of headerInjection) {
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const emailValid = isValidEmail(payload);
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expect(emailValid).toBe(false);
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}
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});
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});
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describe("Null Byte Injection Prevention", () => {
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it("should handle null bytes in input", () => {
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const nullBytePayloads = [
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"admin\x00.jpg",
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"user@example.com\x00admin",
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"test\0injection"
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];
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for (const payload of nullBytePayloads) {
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const emailValid = isValidEmail(payload);
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const nameValid = isValidDisplayName(payload);
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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}
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});
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});
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describe("Edge Cases", () => {
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it("should handle extremely long inputs", () => {
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const longInput = "a".repeat(100000);
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const start = performance.now();
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const emailValid = isValidEmail(longInput);
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const nameValid = isValidDisplayName(longInput);
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const duration = performance.now() - start;
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expect(typeof emailValid).toBe("boolean");
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expect(typeof nameValid).toBe("boolean");
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// Should complete quickly (no ReDoS)
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expect(duration).toBeLessThan(100);
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});
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it("should handle repeated characters", () => {
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const repeated = "a".repeat(10000) + "@example.com";
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const emailValid = isValidEmail(repeated);
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expect(typeof emailValid).toBe("boolean");
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});
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it("should handle mixed encoding", () => {
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const mixedEncoding = "test%40example.com";
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const emailValid = isValidEmail(mixedEncoding);
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expect(typeof emailValid).toBe("boolean");
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});
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it("should handle unicode normalization issues", () => {
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const unicodePayloads = [
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"admin\u0041", // 'A' in unicode
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"test\u200B@example.com", // zero-width space
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"user\uFEFF@example.com" // zero-width no-break space
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];
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for (const payload of unicodePayloads) {
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const emailValid = isValidEmail(payload);
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expect(typeof emailValid).toBe("boolean");
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}
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});
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});
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describe("Performance", () => {
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it("should validate emails efficiently", () => {
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const email = "test@example.com";
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const start = performance.now();
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for (let i = 0; i < 10000; i++) {
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isValidEmail(email);
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}
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const duration = performance.now() - start;
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expect(duration).toBeLessThan(100);
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});
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it("should validate display names efficiently", () => {
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const name = "Test User";
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const start = performance.now();
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for (let i = 0; i < 10000; i++) {
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isValidDisplayName(name);
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}
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const duration = performance.now() - start;
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expect(duration).toBeLessThan(100);
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});
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it("should not be vulnerable to ReDoS attacks", () => {
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// ReDoS payload with many repetitions
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const redosPayload = "a".repeat(1000) + "!";
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const start = performance.now();
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validatePassword(redosPayload);
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const duration = performance.now() - start;
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// Should complete quickly
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expect(duration).toBeLessThan(100);
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});
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});
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});
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