1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
import subprocess
import json
import base64
import urllib
import urllib2
import struct
import sys
def get_cert_info(s):
p = subprocess.Popen(
["openssl", "x509", "-noout", "-subject", "-issuer", "-inform", "der"],
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
parsed = p.communicate(s)
if parsed[1]:
print "error:", parsed[1]
result = {}
for line in parsed[0].split("\n"):
(key, sep, value) = line.partition("=")
if sep == "=":
result[key] = value
return result
def get_certs_from_file(certfile):
certs = []
cert = ""
incert = False
for line in open(certfile):
line = line.strip()
if line == "-----BEGIN CERTIFICATE-----":
cert = ""
incert = True
elif line == "-----END CERTIFICATE-----":
certs.append(cert)
incert = False
elif incert:
cert += line
return certs
def get_root_cert(issuer):
accepted_certs = \
json.loads(open("googlelog-accepted-certs.txt").read())["certificates"]
root_cert = None
for accepted_cert in accepted_certs:
subject = get_cert_info(base64.decodestring(accepted_cert))["subject"]
if subject == issuer:
print "found root cert"
root_cert = base64.decodestring(accepted_cert)
return root_cert
def get_sth(baseurl):
result = urllib2.urlopen(baseurl + "ct/v1/get-sth").read()
return json.loads(result)
def get_proof_by_hash(baseurl, hash, tree_size):
try:
params = urllib.urlencode({"hash":base64.b64encode(hash),
"tree_size":tree_size})
print params
result = \
urllib2.urlopen(baseurl + "ct/v1/get-proof-by-hash?" + params).read()
return result
except urllib2.HTTPError, e:
print e.read()
sys.exit(1)
def tls_array(data, length_len):
length_bytes = struct.pack(">Q", len(data))[-length_len:]
return length_bytes + data
def add_chain(baseurl, submission):
try:
return json.loads(urllib2.urlopen(baseurl + "ct/v1/add-chain",
json.dumps(submission)).read())
except urllib2.HTTPError, e:
print e.read()
sys.exit(1)
|
