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from os import path, listdir
from hashlib import sha512, sha384, sha256, md5
from base64 import b64encode
import re
DIR = path.normpath(path.join(__file__, "..", ".."))
'''
Yield each javascript and css file in the directory
'''
def js_and_css_files():
for f in listdir(DIR):
if path.isfile(f) and (f.endswith(".js") or f.endswith(".css")):
yield f
'''
URL-safe base64 encode a binary digest and strip any padding.
'''
def format_digest(digest):
return b64encode(digest)
'''
Generate an encoded sha512 URI.
'''
def sha512_uri(content):
return "sha512-%s" % format_digest(sha512(content).digest())
'''
Generate an encoded sha384 URI.
'''
def sha384_uri(content):
return "sha384-%s" % format_digest(sha384(content).digest())
'''
Generate an encoded sha256 URI.
'''
def sha256_uri(content):
return "sha256-%s" % format_digest(sha256(content).digest())
'''
Generate an encoded md5 digest URI.
'''
def md5_uri(content):
return "md5-%s" % format_digest(md5(content).digest())
def main():
for file in js_and_css_files():
print "Listing hash values for %s" % file
with open(file, "r") as content_file:
content = content_file.read()
print "\tSHA512 integrity: %s" % sha512_uri(content)
print "\tSHA384 integrity: %s" % sha384_uri(content)
print "\tSHA256 integrity: %s" % sha256_uri(content)
print "\tMD5 integrity: %s" % md5_uri(content)
if __name__ == "__main__":
main()
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