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add a simple Google appengine implementation

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Add a really simple Google app engine implementation.
This commit is contained in:
Rich Wareham
2010-09-17 16:02:16 +01:00
parent 95dd783753
commit 0f461710d8
4 changed files with 98 additions and 1 deletions
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12
app.yaml Normal file
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application: hdcpgen
version: 1
runtime: python
api_version: 1
handlers:
- url: /keys/.*
script: appengine.py
- url: /(index\.html)?
static_files: appengine_index.html
upload: appengine_index.html

51
appengine.py Normal file
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from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
from django.utils import simplejson as json
from generate_key import *
class KeysHandler(webapp.RequestHandler):
def __init__(self):
self._key_matrix = read_key_file(open('master-key.txt'))
def _gen_json(self, ksv, key, is_sink):
return json.dumps( {
'ksv': ('%010x' % ksv),
'key': map(lambda x: '%014x' % x, key),
'type': 'sink' if is_sink else 'source' },
sort_keys=True, indent=False)
def get(self, key_type, ksv_string = None):
self.response.headers['Content-Type'] = 'application/json'
if ksv_string is not None:
ksv = int(ksv_string, 16)
else:
ksv = gen_ksv()
if key_type == 'source':
key = gen_source_key(ksv, self._key_matrix)
elif key_type == 'sink':
key = gen_sink_key(ksv, self._key_matrix)
else:
raise RuntimeError('Unknown key type: %s' % key_type)
self.response.out.write(self._gen_json(ksv, key, True if key_type == 'sink' else False))
class KsvHandler(webapp.RequestHandler):
def get(self):
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write('%010x' % gen_ksv())
application = webapp.WSGIApplication([
('/keys/(sink|source)/([0-9a-f]{10})', KeysHandler),
('/keys/(sink|source)', KeysHandler),
('/keys/random_ksv', KsvHandler),
], debug=True)
def main():
run_wsgi_app(application)
if __name__ == "__main__":
main()

27
appengine_index.html Normal file
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="generator" content=
"HTML Tidy for Linux (vers 25 March 2009), see www.w3.org" />
<title>HDCP Key Generator</title>
</head>
<body>
<h1>HDCP key generator</h1>
<p>The following links generate a random HDCP source or sink key
as a machine-readable JSON object.</p>
<ul>
<li><a href="keys/source">Generate random source key.</a></li>
<li><a href="keys/sink">Generate random sink key.</a></li>
</ul>
<p><a href="http://github.com/rjw57/hdcp-genkey">Source code</a>
available from <a href="http://gihub.com/">github</a>.</p>
</body>
</html>

9
generate_key.py
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import string, random, json import string, random
# Magic required for google app engine
try:
from django.utils import simplejson as json
except:
import json
from optparse import OptionParser from optparse import OptionParser
MASTER_KEY_SRC = 'master-key.txt' MASTER_KEY_SRC = 'master-key.txt'