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Fix Java Script Detection #78

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Fix Java Script Detection #78

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d27bd10
Improve IsJavaScript() to avoid false detection of Java Script
Oct 21, 2018
faaed7b
Improve IsJavaScript() to avoid false detection of Java Script and re…
Oct 21, 2018
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9 changes: 4 additions & 5 deletions JSAnalysis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -176,14 +176,13 @@ def isJavascript(content):
@param content: A string
@return: A boolean, True if it seems to contain Javascript code or False in the other case
'''
jsStrings = ['var ', ';', ')', '(', 'function ', '=', '{', '}', 'if ', 'else', 'return', 'while ', 'for ',
jsStrings = ['var ', ';', ')', '(', 'function ', '=', '{', '}', 'if(', 'if (', 'else{', 'else {','else if', 'return', 'while(', 'while (', 'for(', 'for (',
',', 'eval']
keyStrings = [';', '(', ')']
reVarInit = 'var [\w0-9]+\s*?='
reFunctionCall = '[\w0-9]+\s*?\(.*?\)\s*?;'
stringsFound = []
limit = 15
minDistinctStringsFound = 4
#JS should at least contain ';', ')', '(', 'var', '='
minDistinctStringsFound = 5
minRatio = 10
results = 0
length = len(content)
Expand Down Expand Up @@ -279,4 +278,4 @@ def unescape(escapedBytes, unicode = True):
unescapedBytes = escapedBytes
except:
return (-1, 'Error while unescaping the bytes')
return (0, unescapedBytes)
return (0, unescapedBytes)