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authorTomás Touceda <chiiph@leap.se>2013-03-06 15:27:23 -0300
committerTomás Touceda <chiiph@leap.se>2013-03-06 15:27:23 -0300
commit5ff29dc57e2877a14e705d09b7042cddf4165d0a (patch)
tree18e5817a105f0aaa7a9a752f7b644e44a6c867bc /src/leap/crypto/certs.py
parente23553caaf93a734578b02f9130dee38161d0e22 (diff)
Remove everything to start from scratch
Diffstat (limited to 'src/leap/crypto/certs.py')
-rw-r--r--src/leap/crypto/certs.py112
1 files changed, 0 insertions, 112 deletions
diff --git a/src/leap/crypto/certs.py b/src/leap/crypto/certs.py
deleted file mode 100644
index cbb5725a..00000000
--- a/src/leap/crypto/certs.py
+++ /dev/null
@@ -1,112 +0,0 @@
-import logging
-import os
-from StringIO import StringIO
-import ssl
-import time
-
-from dateutil.parser import parse
-from OpenSSL import crypto
-
-from leap.util.misc import null_check
-
-logger = logging.getLogger(__name__)
-
-
-class BadCertError(Exception):
- """
- raised for malformed certs
- """
-
-
-class NoCertError(Exception):
- """
- raised for cert not found in given path
- """
-
-
-def get_https_cert_from_domain(domain, port=443):
- """
- @param domain: a domain name to get a certificate from.
- """
- cert = ssl.get_server_certificate((domain, port))
- x509 = crypto.load_certificate(crypto.FILETYPE_PEM, cert)
- return x509
-
-
-def get_cert_from_file(_file):
- null_check(_file, "pem file")
- if isinstance(_file, (str, unicode)):
- if not os.path.isfile(_file):
- raise NoCertError
- with open(_file) as f:
- cert = f.read()
- else:
- cert = _file.read()
- x509 = crypto.load_certificate(crypto.FILETYPE_PEM, cert)
- return x509
-
-
-def get_pkey_from_file(_file):
- getkey = lambda f: crypto.load_privatekey(
- crypto.FILETYPE_PEM, f.read())
-
- if isinstance(_file, str):
- with open(_file) as f:
- key = getkey(f)
- else:
- key = getkey(_file)
- return key
-
-
-def can_load_cert_and_pkey(string):
- """
- loads certificate and private key from
- a buffer
- """
- try:
- f = StringIO(string)
- cert = get_cert_from_file(f)
-
- f = StringIO(string)
- key = get_pkey_from_file(f)
-
- null_check(cert, 'certificate')
- null_check(key, 'private key')
- except Exception as exc:
- logger.error(type(exc), exc.message)
- raise BadCertError
- else:
- return True
-
-
-def get_cert_fingerprint(domain=None, port=443, filepath=None,
- hash_type="SHA256", sep=":"):
- """
- @param domain: a domain name to get a fingerprint from
- @type domain: str
- @param filepath: path to a file containing a PEM file
- @type filepath: str
- @param hash_type: the hash function to be used in the fingerprint.
- must be one of SHA1, SHA224, SHA256, SHA384, SHA512
- @type hash_type: str
- @rparam: hex_fpr, a hexadecimal representation of a bytestring
- containing the fingerprint.
- @rtype: string
- """
- if domain:
- cert = get_https_cert_from_domain(domain, port=port)
- if filepath:
- cert = get_cert_from_file(filepath)
- hex_fpr = cert.digest(hash_type)
- return hex_fpr
-
-
-def get_time_boundaries(certfile):
- cert = get_cert_from_file(certfile)
- null_check(cert, 'certificate')
-
- fromts, tots = (cert.get_notBefore(), cert.get_notAfter())
- from_, to_ = map(
- lambda ts: time.gmtime(time.mktime(parse(ts).timetuple())),
- (fromts, tots))
- return from_, to_