retrieve CA certificate from URL (#370)

bonfire/utils.py

@@ -10,6 +10,8 @@
 import subprocess
 import tempfile
 import time
+from urllib.request import urlretrieve
+
 from distutils.version import StrictVersion
 from pathlib import Path
 from urllib.parse import urlparse
@@ -63,33 +65,7 @@ def get_config_path():
 
 GIT_SHA_RE = re.compile(r"[a-f0-9]{40}")
 
-GL_CA_CERT = """
------BEGIN CERTIFICATE-----
-MIIENDCCAxygAwIBAgIJANunI0D662cnMA0GCSqGSIb3DQEBCwUAMIGlMQswCQYD
-VQQGEwJVUzEXMBUGA1UECAwOTm9ydGggQ2Fyb2xpbmExEDAOBgNVBAcMB1JhbGVp
-Z2gxFjAUBgNVBAoMDVJlZCBIYXQsIEluYy4xEzARBgNVBAsMClJlZCBIYXQgSVQx
-GzAZBgNVBAMMElJlZCBIYXQgSVQgUm9vdCBDQTEhMB8GCSqGSIb3DQEJARYSaW5m
-b3NlY0ByZWRoYXQuY29tMCAXDTE1MDcwNjE3MzgxMVoYDzIwNTUwNjI2MTczODEx
-WjCBpTELMAkGA1UEBhMCVVMxFzAVBgNVBAgMDk5vcnRoIENhcm9saW5hMRAwDgYD
-VQQHDAdSYWxlaWdoMRYwFAYDVQQKDA1SZWQgSGF0LCBJbmMuMRMwEQYDVQQLDApS
-ZWQgSGF0IElUMRswGQYDVQQDDBJSZWQgSGF0IElUIFJvb3QgQ0ExITAfBgkqhkiG
-9w0BCQEWEmluZm9zZWNAcmVkaGF0LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP
-ADCCAQoCggEBALQt9OJQh6GC5LT1g80qNh0u50BQ4sZ/yZ8aETxt+5lnPVX6MHKz
-bfwI6nO1aMG6j9bSw+6UUyPBHP796+FT/pTS+K0wsDV7c9XvHoxJBJJU38cdLkI2
-c/i7lDqTfTcfLL2nyUBd2fQDk1B0fxrskhGIIZ3ifP1Ps4ltTkv8hRSob3VtNqSo
-GxkKfvD2PKjTPxDPWYyruy9irLZioMffi3i/gCut0ZWtAyO3MVH5qWF/enKwgPES
-X9po+TdCvRB/RUObBaM761EcrLSM1GqHNueSfqnho3AjLQ6dBnPWlo638Zm1VebK
-BELyhkLWMSFkKwDmne0jQ02Y4g075vCKvCsCAwEAAaNjMGEwHQYDVR0OBBYEFH7R
-4yC+UehIIPeuL8Zqw3PzbgcZMB8GA1UdIwQYMBaAFH7R4yC+UehIIPeuL8Zqw3Pz
-bgcZMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgGGMA0GCSqGSIb3DQEB
-CwUAA4IBAQBDNvD2Vm9sA5A9AlOJR8+en5Xz9hXcxJB5phxcZQ8jFoG04Vshvd0e
-LEnUrMcfFgIZ4njMKTQCM4ZFUPAieyLx4f52HuDopp3e5JyIMfW+KFcNIpKwCsak
-oSoKtIUOsUJK7qBVZxcrIyeQV2qcYOeZhtS5wBqIwOAhFwlCET7Ze58QHmS48slj
-S9K0JAcps2xdnGu0fkzhSQxY8GPQNFTlr6rYld5+ID/hHeS76gq0YG3q6RLWRkHf
-4eTkRjivAlExrFzKcljC4axKQlnOvVAzz+Gm32U0xPBF4ByePVxCJUHw1TsyTmel
-RxNEp7yHoXcwn+fXna+t5JWh1gxUZty3
------END CERTIFICATE-----
-"""
+GL_CA_CERT_URL = "https://certs.corp.redhat.com/certs/2022-IT-Root-CA.pem"
 
 _RATE_LIMIT_ERR_MSG = (
     "rate limited by GitHub, set GITHUB_TOKEN env var and/or use GITHUB_API_URL "
@@ -231,12 +207,10 @@ def fetch(self):
     @cached_property
     def _gl_certfile(self):
         with tempfile.NamedTemporaryFile(delete=False) as fp:
-            cert_fname = fp.name
-            fp.write(GL_CA_CERT.encode("ascii"))
-
-        atexit.register(os.unlink, cert_fname)
+            urlretrieve(GL_CA_CERT_URL, fp.name)
 
-        return cert_fname
+        atexit.register(os.unlink, fp.name)
+        return fp.name
 
     @cached_property
     def _gh_auth_headers(self):