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Fix a bug with empty factors #212

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Jun 5, 2024
Merged

Fix a bug with empty factors #212

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38 changes: 19 additions & 19 deletions arjun/core/anomaly.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,15 +13,15 @@ def define(response_1, response_2, param, value, wordlist):
returns dict
"""
factors = {
'same_code': False, # if http status code is same, contains that code
'same_body': False, # if http body is same, contains that body
'same_plaintext': False, # if http body isn't same but is same after removing html, contains that non-html text
'lines_num': False, # if number of lines in http body is same, contains that number
'lines_diff': False, # if http-body or plaintext aren't and there are more than two lines, contain which lines are same
'same_headers': False, # if the headers are same, contains those headers
'same_redirect': False, # if both requests redirect in similar manner, contains that redirection
'param_missing': False, # if param name is missing from the body, contains words that are already there
'value_missing': False # contains whether param value is missing from the body
'same_code': None, # if http status code is same, contains that code
'same_body': None, # if http body is same, contains that body
'same_plaintext': None, # if http body isn't same but is same after removing html, contains that non-html text
'lines_num': None, # if number of lines in http body is same, contains that number
'lines_diff': None, # if http-body or plaintext aren't and there are more than two lines, contain which lines are same
'same_headers': None, # if the headers are same, contains those headers
'same_redirect': None, # if both requests redirect in similar manner, contains that redirection
'param_missing': None, # if param name is missing from the body, contains words that are already there
'value_missing': None # contains whether param value is missing from the body
}
if type(response_1) == type(response_2) == requests.models.Response:
body_1, body_2 = response_1.text, response_2.text
Expand Down Expand Up @@ -61,33 +61,33 @@ def compare(response, factors, params):
return ('', [], '')
these_headers = list(response.headers.keys())
these_headers.sort()
if factors['same_code'] and response.status_code != factors['same_code']:
if factors['same_code'] is not None and response.status_code != factors['same_code']:
return ('http code', params, 'same_code')
if factors['same_headers'] and these_headers != factors['same_headers']:
if factors['same_headers'] is not None and these_headers != factors['same_headers']:
return ('http headers', params, 'same_headers')
if mem.var['disable_redirects']:
if factors['same_redirect'] and urlparse(response.headers.get('Location', '')).path != factors['same_redirect']:
if factors['same_redirect'] is not None and urlparse(response.headers.get('Location', '')).path != factors['same_redirect']:
return ('redirection', params, 'same_redirect')
elif factors['same_redirect'] and 'Location' in response.headers:
elif factors['same_redirect'] is not None and 'Location' in response.headers:
if urlparse(response.headers.get('Location', '')).path != factors['same_redirect']:
return ('redirection', params, 'same_redirect')
if factors['same_body'] and response.text != factors['same_body']:
if factors['same_body'] is not None and response.text != factors['same_body']:
return ('body length', params, 'same_body')
if factors['lines_num'] and response.text.count('\n') != factors['lines_num']:
if factors['lines_num'] is not None and response.text.count('\n') != factors['lines_num']:
return ('number of lines', params, 'lines_num')
if factors['same_plaintext'] and remove_tags(response.text) != factors['same_plaintext']:
if factors['same_plaintext'] is not None and remove_tags(response.text) != factors['same_plaintext']:
return ('text length', params, 'same_plaintext')
if factors['lines_diff']:
if factors['lines_diff'] is not None:
for line in factors['lines_diff']:
if line not in response.text:
return ('lines', params, 'lines_diff')
if type(factors['param_missing']) == list:
if factors['param_missing'] is not None:
for param in params.keys():
if len(param) < 5:
continue
if param not in factors['param_missing'] and re.search(r'[\'"\s]%s[\'"\s]' % re.escape(param), response.text):
return ('param name reflection', params, 'param_missing')
if factors['value_missing']:
if factors['value_missing'] is not None:
for value in params.values():
if type(value) != str or len(value) != 6:
continue
Expand Down