2 # Copyright (c) 2014 Google Inc. All rights reserved.
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
8 # * Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above
11 # copyright notice, this list of conditions and the following disclaimer
12 # in the documentation and/or other materials provided with the
14 # * Neither the name of Google Inc. nor the names of its
15 # contributors may be used to endorse or promote products derived from
16 # this software without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 def validate_injected_script(fileName):
36 f = open(fileName, "r")
40 proto_functions = "|".join([
42 "concat", "every", "filter", "forEach", "indexOf", "join", "lastIndexOf", "map", "pop",
43 "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toString", "unshift",
44 # Function.prototype.*
45 "apply", "bind", "call", "isGenerator", "toSource",
48 global_functions = "|".join([
49 "eval", "uneval", "isFinite", "isNaN", "parseFloat", "parseInt", "decodeURI", "decodeURIComponent",
50 "encodeURI", "encodeURIComponent", "escape", "unescape",
54 # - Object.prototype.toString()
56 # - Function.prototype.*
59 black_list_call_regex = re.compile(r"\bMath\.\w+\(|\.(toString|" + proto_functions + r")\(|[^\.]\b(" + global_functions + r")\(")
62 for i, line in enumerate(lines):
63 for match in re.finditer(black_list_call_regex, line):
65 print "ERROR: Black list function call in %s at line %02d column %02d: %s" % (os.path.basename(fileName), i + 1, match.start(), match.group(0))
73 print('ERROR: Usage: %s path/to/InjectedScriptSource.js' % argv[0])
76 validate_injected_script(argv[1])
78 if __name__ == '__main__':
79 sys.exit(main(sys.argv))