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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
"""
raven.core.processors
~~~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import re
from raven.utils.compat import string_types, text_type, PY3
from raven.utils import varmap
class Processor(object):
def __init__(self, client):
self.client = client
def get_data(self, data, **kwargs):
return
def process(self, data, **kwargs):
resp = self.get_data(data, **kwargs)
if resp:
data = resp
if 'exception' in data:
if 'values' in data['exception']:
for value in data['exception'].get('values', []):
if 'stacktrace' in value:
self.filter_stacktrace(value['stacktrace'])
if 'request' in data:
self.filter_http(data['request'])
if 'extra' in data:
data['extra'] = self.filter_extra(data['extra'])
return data
def filter_stacktrace(self, data):
pass
def filter_http(self, data):
pass
def filter_extra(self, data):
return data
class RemovePostDataProcessor(Processor):
"""Removes HTTP post data."""
def filter_http(self, data, **kwargs):
data.pop('data', None)
class RemoveStackLocalsProcessor(Processor):
"""Removes local context variables from stacktraces."""
def filter_stacktrace(self, data, **kwargs):
for frame in data.get('frames', []):
frame.pop('vars', None)
class SanitizeKeysProcessor(Processor):
"""
Asterisk out things that correspond to a configurable set of keys.
"""
MASK = '*' * 8
@property
def sanitize_keys(self):
keys = getattr(self.client, 'sanitize_keys')
if keys is None:
raise ValueError('The sanitize_keys setting must be present to use SanitizeKeysProcessor')
return keys
def sanitize(self, item, value):
if value is None:
return
if not item: # key can be a NoneType
return value
# Just in case we have bytes here, we want to make them into text
# properly without failing so we can perform our check.
if isinstance(item, bytes):
item = item.decode('utf-8', 'replace')
else:
item = text_type(item)
item = item.lower()
for key in self.sanitize_keys:
if key in item:
# store mask as a fixed length for security
return self.MASK
return value
def filter_stacktrace(self, data):
for frame in data.get('frames', []):
if 'vars' not in frame:
continue
frame['vars'] = varmap(self.sanitize, frame['vars'])
def filter_http(self, data):
for n in ('data', 'cookies', 'headers', 'env', 'query_string'):
if n not in data:
continue
# data could be provided as bytes
if PY3 and isinstance(data[n], bytes):
data[n] = data[n].decode('utf-8', 'replace')
if isinstance(data[n], string_types) and '=' in data[n]:
# at this point we've assumed it's a standard HTTP query
# or cookie
if n == 'cookies':
delimiter = ';'
else:
delimiter = '&'
data[n] = self._sanitize_keyvals(data[n], delimiter)
else:
data[n] = varmap(self.sanitize, data[n])
if n == 'headers' and 'Cookie' in data[n]:
data[n]['Cookie'] = self._sanitize_keyvals(
data[n]['Cookie'], ';'
)
def filter_extra(self, data):
return varmap(self.sanitize, data)
def _sanitize_keyvals(self, keyvals, delimiter):
sanitized_keyvals = []
for keyval in keyvals.split(delimiter):
keyval = keyval.split('=')
if len(keyval) == 2:
sanitized_keyvals.append((keyval[0], self.sanitize(*keyval)))
else:
sanitized_keyvals.append(keyval)
return delimiter.join('='.join(keyval) for keyval in sanitized_keyvals)
class SanitizePasswordsProcessor(SanitizeKeysProcessor):
"""
Asterisk out things that look like passwords, credit card numbers,
and API keys in frames, http, and basic extra data.
"""
KEYS = frozenset([
'password',
'secret',
'passwd',
'authorization',
'api_key',
'apikey',
'sentry_dsn',
'access_token',
])
VALUES_RE = re.compile(r'^(?:\d[ -]*?){13,16}$')
@property
def sanitize_keys(self):
return self.KEYS
def sanitize(self, item, value):
value = super(SanitizePasswordsProcessor, self).sanitize(item, value)
if isinstance(value, string_types) and self.VALUES_RE.match(value):
return self.MASK
return value
|
