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TestIsSafeUrl Class — langchain Architecture

Architecture documentation for the TestIsSafeUrl class in test_ssrf_protection.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57["TestIsSafeUrl"]
  0a8d2a49_20ba_b7b4_8bfd_e6c768864657["test_ssrf_protection.py"]
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57 -->|defined in| 0a8d2a49_20ba_b7b4_8bfd_e6c768864657
  6fcbb64e_f029_95ed_2e3b_d48df13a7565["test_safe_url_returns_true()"]
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57 -->|method| 6fcbb64e_f029_95ed_2e3b_d48df13a7565
  d6e31225_b6fc_aaef_1b87_6c67fc504af2["test_unsafe_url_returns_false()"]
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57 -->|method| d6e31225_b6fc_aaef_1b87_6c67fc504af2
  8ac30474_29a7_ba82_b962_21118bb743d6["test_unsafe_url_safe_with_allow_private()"]
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57 -->|method| 8ac30474_29a7_ba82_b962_21118bb743d6
  d1a2d264_6d5f_5e5b_0c8a_cb754f66adcc["test_cloud_metadata_always_unsafe()"]
  48e3e55b_1558_fee1_5c5c_7e216ba3ad57 -->|method| d1a2d264_6d5f_5e5b_0c8a_cb754f66adcc

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_ssrf_protection.py lines 186–209

class TestIsSafeUrl:
    """Tests for is_safe_url function (non-throwing version)."""

    def test_safe_url_returns_true(self) -> None:
        """Test that safe URLs return True."""
        assert is_safe_url("https://example.com/webhook") is True
        assert is_safe_url("http://hooks.slack.com/services/xxx") is True

    def test_unsafe_url_returns_false(self) -> None:
        """Test that unsafe URLs return False."""
        assert is_safe_url("http://localhost:8080") is False
        assert is_safe_url("http://127.0.0.1:8080") is False
        assert is_safe_url("http://192.168.1.1") is False
        assert is_safe_url("http://169.254.169.254") is False

    def test_unsafe_url_safe_with_allow_private(self) -> None:
        """Test that private URLs are safe with allow_private=True."""
        assert is_safe_url("http://localhost:8080", allow_private=True) is True
        assert is_safe_url("http://127.0.0.1:8080", allow_private=True) is True

    def test_cloud_metadata_always_unsafe(self) -> None:
        """Test that cloud metadata is always unsafe."""
        assert is_safe_url("http://169.254.169.254") is False
        assert is_safe_url("http://169.254.169.254", allow_private=True) is False

Defined In

Source

Frequently Asked Questions

What is the TestIsSafeUrl class?
TestIsSafeUrl is a class in the langchain codebase, defined in libs/core/tests/unit_tests/test_ssrf_protection.py.
Where is TestIsSafeUrl defined?
TestIsSafeUrl is defined in libs/core/tests/unit_tests/test_ssrf_protection.py at line 186.

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