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more optimization

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This commit is contained in:
Miroslav Stampar 2011-07-12 23:21:15 +00:00
parent 9933edc718
commit 5c162efbd8
2 changed files with 8 additions and 0 deletions
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5
lib/core/common.py
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@ -92,6 +92,7 @@ from lib.core.settings import ML
from lib.core.settings import MIN_TIME_RESPONSES
from lib.core.settings import PAYLOAD_DELIMITER
from lib.core.settings import REFLECTED_NON_ALPHA_NUM_REGEX
from lib.core.settings import REFLECTED_MAX_REGEX_PARTS
from lib.core.settings import REFLECTED_VALUE_MARKER
from lib.core.settings import TIME_STDEV_COEFF
from lib.core.settings import DYNAMICITY_MARK_LENGTH
@ -2596,6 +2597,10 @@ def removeReflectiveValues(content, payload, suppressWarning=False):
regex = regex.replace(2 * REFLECTED_NON_ALPHA_NUM_REGEX, REFLECTED_NON_ALPHA_NUM_REGEX)
if all([part.lower() in content.lower() for part in regex.split(REFLECTED_NON_ALPHA_NUM_REGEX)]): # fast optimization check
parts = regex.split(REFLECTED_NON_ALPHA_NUM_REGEX)
if len(parts) > REFLECTED_MAX_REGEX_PARTS: # preventing CPU hogs
regex = "%s.+?%s" % (REFLECTED_NON_ALPHA_NUM_REGEX.join(parts[:REFLECTED_MAX_REGEX_PARTS/2]), REFLECTED_NON_ALPHA_NUM_REGEX.join(parts[-REFLECTED_MAX_REGEX_PARTS/2:]))
retVal = re.sub(regex, REFLECTED_VALUE_MARKER, content, re.I)
if retVal != content:

3
lib/core/settings.py
View File

@ -311,6 +311,9 @@ REFLECTED_VALUE_MARKER = '__REFLECTED_VALUE__'
# Regular expression used for marking non-alphanum characters
REFLECTED_NON_ALPHA_NUM_REGEX = r'[^\r\n]+?'
# Maximum number of alpha-numerical parts in reflected regex (for speed purposes)
REFLECTED_MAX_REGEX_PARTS = 10
# Chars which can be used as a failsafe values in case of too long URL encoding value
URLENCODE_FAILSAFE_CHARS = '()|,'