two version of R2R are hereHEADmaster

1 files changed, 567 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/truststore/_windows.py b/.venv/lib/python3.12/site-packages/pip/_vendor/truststore/_windows.py
new file mode 100644
index 00000000..a9bf9abd
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/truststore/_windows.py
@@ -0,0 +1,567 @@
+import contextlib
+import ssl
+import typing
+from ctypes import WinDLL  # type: ignore
+from ctypes import WinError  # type: ignore
+from ctypes import (
+    POINTER,
+    Structure,
+    c_char_p,
+    c_ulong,
+    c_void_p,
+    c_wchar_p,
+    cast,
+    create_unicode_buffer,
+    pointer,
+    sizeof,
+)
+from ctypes.wintypes import (
+    BOOL,
+    DWORD,
+    HANDLE,
+    LONG,
+    LPCSTR,
+    LPCVOID,
+    LPCWSTR,
+    LPFILETIME,
+    LPSTR,
+    LPWSTR,
+)
+from typing import TYPE_CHECKING, Any
+
+from ._ssl_constants import _set_ssl_context_verify_mode
+
+HCERTCHAINENGINE = HANDLE
+HCERTSTORE = HANDLE
+HCRYPTPROV_LEGACY = HANDLE
+
+
+class CERT_CONTEXT(Structure):
+    _fields_ = (
+        ("dwCertEncodingType", DWORD),
+        ("pbCertEncoded", c_void_p),
+        ("cbCertEncoded", DWORD),
+        ("pCertInfo", c_void_p),
+        ("hCertStore", HCERTSTORE),
+    )
+
+
+PCERT_CONTEXT = POINTER(CERT_CONTEXT)
+PCCERT_CONTEXT = POINTER(PCERT_CONTEXT)
+
+
+class CERT_ENHKEY_USAGE(Structure):
+    _fields_ = (
+        ("cUsageIdentifier", DWORD),
+        ("rgpszUsageIdentifier", POINTER(LPSTR)),
+    )
+
+
+PCERT_ENHKEY_USAGE = POINTER(CERT_ENHKEY_USAGE)
+
+
+class CERT_USAGE_MATCH(Structure):
+    _fields_ = (
+        ("dwType", DWORD),
+        ("Usage", CERT_ENHKEY_USAGE),
+    )
+
+
+class CERT_CHAIN_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("RequestedUsage", CERT_USAGE_MATCH),
+        ("RequestedIssuancePolicy", CERT_USAGE_MATCH),
+        ("dwUrlRetrievalTimeout", DWORD),
+        ("fCheckRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+        ("pftCacheResync", LPFILETIME),
+        ("pStrongSignPara", c_void_p),
+        ("dwStrongSignFlags", DWORD),
+    )
+
+
+if TYPE_CHECKING:
+    PCERT_CHAIN_PARA = pointer[CERT_CHAIN_PARA]  # type: ignore[misc]
+else:
+    PCERT_CHAIN_PARA = POINTER(CERT_CHAIN_PARA)
+
+
+class CERT_TRUST_STATUS(Structure):
+    _fields_ = (
+        ("dwErrorStatus", DWORD),
+        ("dwInfoStatus", DWORD),
+    )
+
+
+class CERT_CHAIN_ELEMENT(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("pCertContext", PCERT_CONTEXT),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("pRevocationInfo", c_void_p),
+        ("pIssuanceUsage", PCERT_ENHKEY_USAGE),
+        ("pApplicationUsage", PCERT_ENHKEY_USAGE),
+        ("pwszExtendedErrorInfo", LPCWSTR),
+    )
+
+
+PCERT_CHAIN_ELEMENT = POINTER(CERT_CHAIN_ELEMENT)
+
+
+class CERT_SIMPLE_CHAIN(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("cElement", DWORD),
+        ("rgpElement", POINTER(PCERT_CHAIN_ELEMENT)),
+        ("pTrustListInfo", c_void_p),
+        ("fHasRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+    )
+
+
+PCERT_SIMPLE_CHAIN = POINTER(CERT_SIMPLE_CHAIN)
+
+
+class CERT_CHAIN_CONTEXT(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("TrustStatus", CERT_TRUST_STATUS),
+        ("cChain", DWORD),
+        ("rgpChain", POINTER(PCERT_SIMPLE_CHAIN)),
+        ("cLowerQualityChainContext", DWORD),
+        ("rgpLowerQualityChainContext", c_void_p),
+        ("fHasRevocationFreshnessTime", BOOL),
+        ("dwRevocationFreshnessTime", DWORD),
+    )
+
+
+PCERT_CHAIN_CONTEXT = POINTER(CERT_CHAIN_CONTEXT)
+PCCERT_CHAIN_CONTEXT = POINTER(PCERT_CHAIN_CONTEXT)
+
+
+class SSL_EXTRA_CERT_CHAIN_POLICY_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwAuthType", DWORD),
+        ("fdwChecks", DWORD),
+        ("pwszServerName", LPCWSTR),
+    )
+
+
+class CERT_CHAIN_POLICY_PARA(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwFlags", DWORD),
+        ("pvExtraPolicyPara", c_void_p),
+    )
+
+
+PCERT_CHAIN_POLICY_PARA = POINTER(CERT_CHAIN_POLICY_PARA)
+
+
+class CERT_CHAIN_POLICY_STATUS(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("dwError", DWORD),
+        ("lChainIndex", LONG),
+        ("lElementIndex", LONG),
+        ("pvExtraPolicyStatus", c_void_p),
+    )
+
+
+PCERT_CHAIN_POLICY_STATUS = POINTER(CERT_CHAIN_POLICY_STATUS)
+
+
+class CERT_CHAIN_ENGINE_CONFIG(Structure):
+    _fields_ = (
+        ("cbSize", DWORD),
+        ("hRestrictedRoot", HCERTSTORE),
+        ("hRestrictedTrust", HCERTSTORE),
+        ("hRestrictedOther", HCERTSTORE),
+        ("cAdditionalStore", DWORD),
+        ("rghAdditionalStore", c_void_p),
+        ("dwFlags", DWORD),
+        ("dwUrlRetrievalTimeout", DWORD),
+        ("MaximumCachedCertificates", DWORD),
+        ("CycleDetectionModulus", DWORD),
+        ("hExclusiveRoot", HCERTSTORE),
+        ("hExclusiveTrustedPeople", HCERTSTORE),
+        ("dwExclusiveFlags", DWORD),
+    )
+
+
+PCERT_CHAIN_ENGINE_CONFIG = POINTER(CERT_CHAIN_ENGINE_CONFIG)
+PHCERTCHAINENGINE = POINTER(HCERTCHAINENGINE)
+
+X509_ASN_ENCODING = 0x00000001
+PKCS_7_ASN_ENCODING = 0x00010000
+CERT_STORE_PROV_MEMORY = b"Memory"
+CERT_STORE_ADD_USE_EXISTING = 2
+USAGE_MATCH_TYPE_OR = 1
+OID_PKIX_KP_SERVER_AUTH = c_char_p(b"1.3.6.1.5.5.7.3.1")
+CERT_CHAIN_REVOCATION_CHECK_END_CERT = 0x10000000
+CERT_CHAIN_REVOCATION_CHECK_CHAIN = 0x20000000
+CERT_CHAIN_POLICY_IGNORE_ALL_NOT_TIME_VALID_FLAGS = 0x00000007
+CERT_CHAIN_POLICY_IGNORE_INVALID_BASIC_CONSTRAINTS_FLAG = 0x00000008
+CERT_CHAIN_POLICY_ALLOW_UNKNOWN_CA_FLAG = 0x00000010
+CERT_CHAIN_POLICY_IGNORE_INVALID_NAME_FLAG = 0x00000040
+CERT_CHAIN_POLICY_IGNORE_WRONG_USAGE_FLAG = 0x00000020
+CERT_CHAIN_POLICY_IGNORE_INVALID_POLICY_FLAG = 0x00000080
+CERT_CHAIN_POLICY_IGNORE_ALL_REV_UNKNOWN_FLAGS = 0x00000F00
+CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG = 0x00008000
+CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG = 0x00004000
+SECURITY_FLAG_IGNORE_CERT_CN_INVALID = 0x00001000
+AUTHTYPE_SERVER = 2
+CERT_CHAIN_POLICY_SSL = 4
+FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000
+FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200
+
+# Flags to set for SSLContext.verify_mode=CERT_NONE
+CERT_CHAIN_POLICY_VERIFY_MODE_NONE_FLAGS = (
+    CERT_CHAIN_POLICY_IGNORE_ALL_NOT_TIME_VALID_FLAGS
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_BASIC_CONSTRAINTS_FLAG
+    | CERT_CHAIN_POLICY_ALLOW_UNKNOWN_CA_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_NAME_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_WRONG_USAGE_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_INVALID_POLICY_FLAG
+    | CERT_CHAIN_POLICY_IGNORE_ALL_REV_UNKNOWN_FLAGS
+    | CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG
+    | CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG
+)
+
+wincrypt = WinDLL("crypt32.dll")
+kernel32 = WinDLL("kernel32.dll")
+
+
+def _handle_win_error(result: bool, _: Any, args: Any) -> Any:
+    if not result:
+        # Note, actually raises OSError after calling GetLastError and FormatMessage
+        raise WinError()
+    return args
+
+
+CertCreateCertificateChainEngine = wincrypt.CertCreateCertificateChainEngine
+CertCreateCertificateChainEngine.argtypes = (
+    PCERT_CHAIN_ENGINE_CONFIG,
+    PHCERTCHAINENGINE,
+)
+CertCreateCertificateChainEngine.errcheck = _handle_win_error
+
+CertOpenStore = wincrypt.CertOpenStore
+CertOpenStore.argtypes = (LPCSTR, DWORD, HCRYPTPROV_LEGACY, DWORD, c_void_p)
+CertOpenStore.restype = HCERTSTORE
+CertOpenStore.errcheck = _handle_win_error
+
+CertAddEncodedCertificateToStore = wincrypt.CertAddEncodedCertificateToStore
+CertAddEncodedCertificateToStore.argtypes = (
+    HCERTSTORE,
+    DWORD,
+    c_char_p,
+    DWORD,
+    DWORD,
+    PCCERT_CONTEXT,
+)
+CertAddEncodedCertificateToStore.restype = BOOL
+
+CertCreateCertificateContext = wincrypt.CertCreateCertificateContext
+CertCreateCertificateContext.argtypes = (DWORD, c_char_p, DWORD)
+CertCreateCertificateContext.restype = PCERT_CONTEXT
+CertCreateCertificateContext.errcheck = _handle_win_error
+
+CertGetCertificateChain = wincrypt.CertGetCertificateChain
+CertGetCertificateChain.argtypes = (
+    HCERTCHAINENGINE,
+    PCERT_CONTEXT,
+    LPFILETIME,
+    HCERTSTORE,
+    PCERT_CHAIN_PARA,
+    DWORD,
+    c_void_p,
+    PCCERT_CHAIN_CONTEXT,
+)
+CertGetCertificateChain.restype = BOOL
+CertGetCertificateChain.errcheck = _handle_win_error
+
+CertVerifyCertificateChainPolicy = wincrypt.CertVerifyCertificateChainPolicy
+CertVerifyCertificateChainPolicy.argtypes = (
+    c_ulong,
+    PCERT_CHAIN_CONTEXT,
+    PCERT_CHAIN_POLICY_PARA,
+    PCERT_CHAIN_POLICY_STATUS,
+)
+CertVerifyCertificateChainPolicy.restype = BOOL
+
+CertCloseStore = wincrypt.CertCloseStore
+CertCloseStore.argtypes = (HCERTSTORE, DWORD)
+CertCloseStore.restype = BOOL
+CertCloseStore.errcheck = _handle_win_error
+
+CertFreeCertificateChain = wincrypt.CertFreeCertificateChain
+CertFreeCertificateChain.argtypes = (PCERT_CHAIN_CONTEXT,)
+
+CertFreeCertificateContext = wincrypt.CertFreeCertificateContext
+CertFreeCertificateContext.argtypes = (PCERT_CONTEXT,)
+
+CertFreeCertificateChainEngine = wincrypt.CertFreeCertificateChainEngine
+CertFreeCertificateChainEngine.argtypes = (HCERTCHAINENGINE,)
+
+FormatMessageW = kernel32.FormatMessageW
+FormatMessageW.argtypes = (
+    DWORD,
+    LPCVOID,
+    DWORD,
+    DWORD,
+    LPWSTR,
+    DWORD,
+    c_void_p,
+)
+FormatMessageW.restype = DWORD
+
+
+def _verify_peercerts_impl(
+    ssl_context: ssl.SSLContext,
+    cert_chain: list[bytes],
+    server_hostname: str | None = None,
+) -> None:
+    """Verify the cert_chain from the server using Windows APIs."""
+
+    # If the peer didn't send any certificates then
+    # we can't do verification. Raise an error.
+    if not cert_chain:
+        raise ssl.SSLCertVerificationError("Peer sent no certificates to verify")
+
+    pCertContext = None
+    hIntermediateCertStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, None, 0, None)
+    try:
+        # Add intermediate certs to an in-memory cert store
+        for cert_bytes in cert_chain[1:]:
+            CertAddEncodedCertificateToStore(
+                hIntermediateCertStore,
+                X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+                cert_bytes,
+                len(cert_bytes),
+                CERT_STORE_ADD_USE_EXISTING,
+                None,
+            )
+
+        # Cert context for leaf cert
+        leaf_cert = cert_chain[0]
+        pCertContext = CertCreateCertificateContext(
+            X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, leaf_cert, len(leaf_cert)
+        )
+
+        # Chain params to match certs for serverAuth extended usage
+        cert_enhkey_usage = CERT_ENHKEY_USAGE()
+        cert_enhkey_usage.cUsageIdentifier = 1
+        cert_enhkey_usage.rgpszUsageIdentifier = (c_char_p * 1)(OID_PKIX_KP_SERVER_AUTH)
+        cert_usage_match = CERT_USAGE_MATCH()
+        cert_usage_match.Usage = cert_enhkey_usage
+        chain_params = CERT_CHAIN_PARA()
+        chain_params.RequestedUsage = cert_usage_match
+        chain_params.cbSize = sizeof(chain_params)
+        pChainPara = pointer(chain_params)
+
+        if ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_CHAIN:
+            chain_flags = CERT_CHAIN_REVOCATION_CHECK_CHAIN
+        elif ssl_context.verify_flags & ssl.VERIFY_CRL_CHECK_LEAF:
+            chain_flags = CERT_CHAIN_REVOCATION_CHECK_END_CERT
+        else:
+            chain_flags = 0
+
+        try:
+            # First attempt to verify using the default Windows system trust roots
+            # (default chain engine).
+            _get_and_verify_cert_chain(
+                ssl_context,
+                None,
+                hIntermediateCertStore,
+                pCertContext,
+                pChainPara,
+                server_hostname,
+                chain_flags=chain_flags,
+            )
+        except ssl.SSLCertVerificationError as e:
+            # If that fails but custom CA certs have been added
+            # to the SSLContext using load_verify_locations,
+            # try verifying using a custom chain engine
+            # that trusts the custom CA certs.
+            custom_ca_certs: list[bytes] | None = ssl_context.get_ca_certs(
+                binary_form=True
+            )
+            if custom_ca_certs:
+                try:
+                    _verify_using_custom_ca_certs(
+                        ssl_context,
+                        custom_ca_certs,
+                        hIntermediateCertStore,
+                        pCertContext,
+                        pChainPara,
+                        server_hostname,
+                        chain_flags=chain_flags,
+                    )
+                # Raise the original error, not the new error.
+                except ssl.SSLCertVerificationError:
+                    raise e from None
+            else:
+                raise
+    finally:
+        CertCloseStore(hIntermediateCertStore, 0)
+        if pCertContext:
+            CertFreeCertificateContext(pCertContext)
+
+
+def _get_and_verify_cert_chain(
+    ssl_context: ssl.SSLContext,
+    hChainEngine: HCERTCHAINENGINE | None,
+    hIntermediateCertStore: HCERTSTORE,
+    pPeerCertContext: c_void_p,
+    pChainPara: PCERT_CHAIN_PARA,  # type: ignore[valid-type]
+    server_hostname: str | None,
+    chain_flags: int,
+) -> None:
+    ppChainContext = None
+    try:
+        # Get cert chain
+        ppChainContext = pointer(PCERT_CHAIN_CONTEXT())
+        CertGetCertificateChain(
+            hChainEngine,  # chain engine
+            pPeerCertContext,  # leaf cert context
+            None,  # current system time
+            hIntermediateCertStore,  # additional in-memory cert store
+            pChainPara,  # chain-building parameters
+            chain_flags,
+            None,  # reserved
+            ppChainContext,  # the resulting chain context
+        )
+        pChainContext = ppChainContext.contents
+
+        # Verify cert chain
+        ssl_extra_cert_chain_policy_para = SSL_EXTRA_CERT_CHAIN_POLICY_PARA()
+        ssl_extra_cert_chain_policy_para.cbSize = sizeof(
+            ssl_extra_cert_chain_policy_para
+        )
+        ssl_extra_cert_chain_policy_para.dwAuthType = AUTHTYPE_SERVER
+        ssl_extra_cert_chain_policy_para.fdwChecks = 0
+        if ssl_context.check_hostname is False:
+            ssl_extra_cert_chain_policy_para.fdwChecks = (
+                SECURITY_FLAG_IGNORE_CERT_CN_INVALID
+            )
+        if server_hostname:
+            ssl_extra_cert_chain_policy_para.pwszServerName = c_wchar_p(server_hostname)
+
+        chain_policy = CERT_CHAIN_POLICY_PARA()
+        chain_policy.pvExtraPolicyPara = cast(
+            pointer(ssl_extra_cert_chain_policy_para), c_void_p
+        )
+        if ssl_context.verify_mode == ssl.CERT_NONE:
+            chain_policy.dwFlags |= CERT_CHAIN_POLICY_VERIFY_MODE_NONE_FLAGS
+        chain_policy.cbSize = sizeof(chain_policy)
+
+        pPolicyPara = pointer(chain_policy)
+        policy_status = CERT_CHAIN_POLICY_STATUS()
+        policy_status.cbSize = sizeof(policy_status)
+        pPolicyStatus = pointer(policy_status)
+        CertVerifyCertificateChainPolicy(
+            CERT_CHAIN_POLICY_SSL,
+            pChainContext,
+            pPolicyPara,
+            pPolicyStatus,
+        )
+
+        # Check status
+        error_code = policy_status.dwError
+        if error_code:
+            # Try getting a human readable message for an error code.
+            error_message_buf = create_unicode_buffer(1024)
+            error_message_chars = FormatMessageW(
+                FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                None,
+                error_code,
+                0,
+                error_message_buf,
+                sizeof(error_message_buf),
+                None,
+            )
+
+            # See if we received a message for the error,
+            # otherwise we use a generic error with the
+            # error code and hope that it's search-able.
+            if error_message_chars <= 0:
+                error_message = f"Certificate chain policy error {error_code:#x} [{policy_status.lElementIndex}]"
+            else:
+                error_message = error_message_buf.value.strip()
+
+            err = ssl.SSLCertVerificationError(error_message)
+            err.verify_message = error_message
+            err.verify_code = error_code
+            raise err from None
+    finally:
+        if ppChainContext:
+            CertFreeCertificateChain(ppChainContext.contents)
+
+
+def _verify_using_custom_ca_certs(
+    ssl_context: ssl.SSLContext,
+    custom_ca_certs: list[bytes],
+    hIntermediateCertStore: HCERTSTORE,
+    pPeerCertContext: c_void_p,
+    pChainPara: PCERT_CHAIN_PARA,  # type: ignore[valid-type]
+    server_hostname: str | None,
+    chain_flags: int,
+) -> None:
+    hChainEngine = None
+    hRootCertStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, None, 0, None)
+    try:
+        # Add custom CA certs to an in-memory cert store
+        for cert_bytes in custom_ca_certs:
+            CertAddEncodedCertificateToStore(
+                hRootCertStore,
+                X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+                cert_bytes,
+                len(cert_bytes),
+                CERT_STORE_ADD_USE_EXISTING,
+                None,
+            )
+
+        # Create a custom cert chain engine which exclusively trusts
+        # certs from our hRootCertStore
+        cert_chain_engine_config = CERT_CHAIN_ENGINE_CONFIG()
+        cert_chain_engine_config.cbSize = sizeof(cert_chain_engine_config)
+        cert_chain_engine_config.hExclusiveRoot = hRootCertStore
+        pConfig = pointer(cert_chain_engine_config)
+        phChainEngine = pointer(HCERTCHAINENGINE())
+        CertCreateCertificateChainEngine(
+            pConfig,
+            phChainEngine,
+        )
+        hChainEngine = phChainEngine.contents
+
+        # Get and verify a cert chain using the custom chain engine
+        _get_and_verify_cert_chain(
+            ssl_context,
+            hChainEngine,
+            hIntermediateCertStore,
+            pPeerCertContext,
+            pChainPara,
+            server_hostname,
+            chain_flags,
+        )
+    finally:
+        if hChainEngine:
+            CertFreeCertificateChainEngine(hChainEngine)
+        CertCloseStore(hRootCertStore, 0)
+
+
+@contextlib.contextmanager
+def _configure_context(ctx: ssl.SSLContext) -> typing.Iterator[None]:
+    check_hostname = ctx.check_hostname
+    verify_mode = ctx.verify_mode
+    ctx.check_hostname = False
+    _set_ssl_context_verify_mode(ctx, ssl.CERT_NONE)
+    try:
+        yield
+    finally:
+        ctx.check_hostname = check_hostname
+        _set_ssl_context_verify_mode(ctx, verify_mode)