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refactor: correct type hinting for certs

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This commit is contained in:
Alex Kelly 2021-10-08 09:59:57 -04:00
parent 21076b20c7
commit 15c165074b
1 changed files with 5 additions and 4 deletions
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9
checkcert/checkcert.py
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@ -7,6 +7,7 @@ import click
from OpenSSL import SSL from OpenSSL import SSL
from OpenSSL import crypto from OpenSSL import crypto
from cryptography import x509 from cryptography import x509
from OpenSSL.crypto import X509
from cryptography.x509.oid import NameOID from cryptography.x509.oid import NameOID
import idna import idna
@ -41,7 +42,7 @@ def get_certificate(hostname: str, port: int) -> HostInfo:
) )
def get_alt_names(cert: Any) -> Any: def get_alt_names(cert: x509.Certificate) -> Any:
"""retrieve the SAN values for given cert""" """retrieve the SAN values for given cert"""
try: try:
ext = cert.extensions.get_extension_for_class(x509.SubjectAlternativeName) ext = cert.extensions.get_extension_for_class(x509.SubjectAlternativeName)
@ -50,12 +51,12 @@ def get_alt_names(cert: Any) -> Any:
return None return None
def get_x509_text(cert: Any) -> Any: def get_x509_text(cert: X509) -> bytes:
"""return the human-readable text version of the certificate""" """return the human-readable text version of the certificate"""
return crypto.dump_certificate(crypto.FILETYPE_TEXT, cert) return crypto.dump_certificate(crypto.FILETYPE_TEXT, cert)
def get_common_name(cert: Any) -> Any: def get_common_name(cert: x509.Certificate) -> Any:
"""Return the common name from the certificate""" """Return the common name from the certificate"""
try: try:
names = cert.subject.get_attributes_for_oid(NameOID.COMMON_NAME) names = cert.subject.get_attributes_for_oid(NameOID.COMMON_NAME)
@ -64,7 +65,7 @@ def get_common_name(cert: Any) -> Any:
return None return None
def get_issuer(cert: Any) -> Any: def get_issuer(cert: x509.Certificate) -> Any:
"""Return the name of the CA/Issuer of the certificate""" """Return the name of the CA/Issuer of the certificate"""
try: try:
names = cert.issuer.get_attributes_for_oid(NameOID.COMMON_NAME) names = cert.issuer.get_attributes_for_oid(NameOID.COMMON_NAME)