/deps/v8/src/inspector/build/check_injected_script_source.py
Python | 88 lines | 34 code | 12 blank | 42 comment | 7 complexity | 749f00faf5d015da30b2b5bcddf73428 MD5 | raw file
- #!/usr/bin/env python
- # Copyright (c) 2014 Google Inc. All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions are
- # met:
- #
- # * Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # * Redistributions in binary form must reproduce the above
- # copyright notice, this list of conditions and the following disclaimer
- # in the documentation and/or other materials provided with the
- # distribution.
- # * Neither the name of Google Inc. nor the names of its
- # contributors may be used to endorse or promote products derived from
- # this software without specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #
- # Copied from blink:
- # WebKit/Source/devtools/scripts/check_injected_script_source.py
- #
- import re
- import sys
- import os
- def validate_injected_script(fileName):
- f = open(fileName, "r")
- lines = f.readlines()
- f.close()
- proto_functions = "|".join([
- # Array.prototype.*
- "concat", "every", "filter", "forEach", "indexOf", "join", "lastIndexOf", "map", "pop",
- "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toString", "unshift",
- # Function.prototype.*
- "apply", "bind", "call", "isGenerator", "toSource",
- # Object.prototype.*
- "toString",
- ])
- global_functions = "|".join([
- "eval", "uneval", "isFinite", "isNaN", "parseFloat", "parseInt", "decodeURI", "decodeURIComponent",
- "encodeURI", "encodeURIComponent", "escape", "unescape", "Map", "Set"
- ])
- # Black list:
- # - instanceof, since e.g. "obj instanceof Error" may throw if Error is overridden and is not a function
- # - Object.prototype.toString()
- # - Array.prototype.*
- # - Function.prototype.*
- # - Math.*
- # - Global functions
- black_list_call_regex = re.compile(r"\sinstanceof\s+\w*|\bMath\.\w+\(|(?<!InjectedScriptHost)\.(" + proto_functions + r")\(|[^\.]\b(" + global_functions + r")\(")
- errors_found = False
- for i, line in enumerate(lines):
- if line.find("suppressBlacklist") != -1:
- continue
- for match in re.finditer(black_list_call_regex, line):
- errors_found = True
- print "ERROR: Black listed expression in %s at line %02d column %02d: %s" % (os.path.basename(fileName), i + 1, match.start(), match.group(0))
- if not errors_found:
- print "OK"
- def main(argv):
- if len(argv) < 2:
- print('ERROR: Usage: %s path/to/injected-script-source.js' % argv[0])
- return 1
- validate_injected_script(argv[1])
- if __name__ == '__main__':
- sys.exit(main(sys.argv))