diff options
author | Kali Kaneko <kali@leap.se> | 2013-07-02 22:29:32 +0900 |
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committer | Kali Kaneko <kali@leap.se> | 2013-07-02 22:29:32 +0900 |
commit | 1d30e2580592ef905d9b21c475459da1e40b1cd6 (patch) | |
tree | 6ec48c6b5234da55ecc91ad3c6235fb20b61315c /src/leap/crypto/certs.py | |
parent | 81dc8ebe9ef46c0fafa75cba5c4959bb822da686 (diff) | |
parent | 5b975799ce9b7a6e0a88be4bcb48bdfb90800bb3 (diff) |
Merge branch 'master' of ssh://leap.se/leap_client
Diffstat (limited to 'src/leap/crypto/certs.py')
-rw-r--r-- | src/leap/crypto/certs.py | 112 |
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_ |