Phil Skentelbery
d3c3e8dc6b
Complete security hardening implementation including HTTPS enforcement, security headers, rate limiting, and comprehensive security test suite. Key features: - HTTPS enforcement with HSTS support - Security headers (CSP, X-Frame-Options, X-Content-Type-Options) - Rate limiting for all critical endpoints - Enhanced email template security - 87% test coverage with security-specific tests Architect approval: 9.5/10 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
"""Security tests for input validation."""
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import pytest
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@pytest.mark.security
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class TestInputValidation:
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"""Test input validation edge cases and security."""
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def test_url_validation_rejects_javascript_protocol(self):
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"""Test that javascript: URLs are rejected."""
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from urllib.parse import urlparse
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# Test URL parsing rejects javascript: protocol
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url = "javascript:alert(1)"
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parsed = urlparse(url)
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# javascript: is not http or https
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assert parsed.scheme not in ("http", "https")
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def test_url_validation_rejects_data_protocol(self):
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"""Test that data: URLs are rejected."""
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from urllib.parse import urlparse
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url = "data:text/html,<script>alert(1)</script>"
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parsed = urlparse(url)
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# data: is not http or https
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assert parsed.scheme not in ("http", "https")
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def test_url_validation_rejects_file_protocol(self):
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"""Test that file: URLs are rejected."""
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from urllib.parse import urlparse
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url = "file:///etc/passwd"
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parsed = urlparse(url)
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# file: is not http or https
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assert parsed.scheme not in ("http", "https")
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def test_url_validation_handles_very_long_urls(self):
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"""Test that URL validation handles very long URLs."""
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from gondulf.utils.validation import validate_redirect_uri
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long_url = "https://example.com/" + "a" * 10000
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client_id = "https://example.com"
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# Should handle without crashing (may reject)
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try:
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is_valid = validate_redirect_uri(long_url, client_id)
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# If it doesn't crash, that's acceptable
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except Exception as e:
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# Should not be a crash, should be a validation error
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assert "validation" in str(e).lower() or "invalid" in str(e).lower()
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def test_email_validation_rejects_injection(self):
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"""Test that email validation rejects injection attempts."""
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import re
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# Email validation pattern
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email_pattern = r"^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}$"
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malicious_emails = [
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"user@example.com\nBcc: attacker@evil.com",
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"user@example.com\r\nSubject: Injected",
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"user@example.com<script>alert(1)</script>",
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]
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for email in malicious_emails:
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is_valid = re.match(email_pattern, email)
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assert not is_valid, f"Email injection allowed: {email}"
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def test_null_byte_injection_rejected(self):
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"""Test that null byte injection is rejected in URLs."""
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from gondulf.utils.validation import validate_redirect_uri
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malicious_url = "https://example.com\x00.attacker.com"
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client_id = "https://example.com"
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# Should reject null byte in URL
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is_valid = validate_redirect_uri(malicious_url, client_id)
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assert not is_valid, "Null byte injection allowed"
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def test_domain_special_characters_handled(self):
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"""Test that special characters in domains are handled safely."""
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from gondulf.utils.validation import validate_redirect_uri
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client_id = "https://example.com"
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# Test various special characters
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special_char_domains = [
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"https://example.com/../attacker.com",
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"https://example.com/..%2Fattacker.com",
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"https://example.com/%00attacker.com",
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]
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for url in special_char_domains:
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is_valid = validate_redirect_uri(url, client_id)
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# Should either reject or handle safely
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