Issue 3122 - Add testpages.web.sitekey_frame URL handler

sitescripts/testpages/web/sitekey_frame.py

Index: sitescripts/testpages/web/sitekey_frame.py
diff --git a/sitescripts/testpages/web/sitekey_frame.py b/sitescripts/testpages/web/sitekey_frame.py
new file mode 100644
index 0000000000000000000000000000000000000000..3d1eb781bcc066e25ab2c1dbc83ad14a7c6e7634
--- /dev/null
+++ b/sitescripts/testpages/web/sitekey_frame.py
@@ -0,0 +1,55 @@
+# coding: utf-8
+
+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-2015 Eyeo GmbH
+#
+# Adblock Plus is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# Adblock Plus is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+
+import base64
+import M2Crypto
+import os
+import urllib
+
+from sitescripts.utils import get_config, get_template
+from sitescripts.web import url_handler
+
+# https://www.python.org/dev/peps/pep-0333/#url-reconstruction
+def request_path(environ):
+  path = urllib.quote(environ.get("SCRIPT_NAME", "") +
+                      environ.get("PATH_INFO", ""))
+  query_string = environ.get("QUERY_STRING", "")
+  if query_string:
+    path += "?" + urllib.quote(query_string)
+  return path
+
+@url_handler("/sitekey-frame")
+def sitekey_frame(environ, start_response):
+  template_path, template_file = os.path.split(
+      get_config().get("testpages", "sitekeyFrameTemplate")
+  )
+  template = get_template(template_file, template_path=template_path)
+
+  key = M2Crypto.EVP.load_key(get_config().get("testpages", "sitekeyPath"))
+  key.sign_init()
+  key.sign_update(request_path(environ) + "\0")
+  key.sign_update(environ["HTTP_HOST"] + "\0")
+  key.sign_update(environ["HTTP_USER_AGENT"])
+
+  public_key = base64.b64encode(key.as_der())
+  signature = base64.b64encode(key.final())
+
+  start_response("200 OK",
+                 [("Content-Type", "text/html; charset=utf-8"),
+                  ("X-Adblock-Key", "%s_%s" % (public_key, signature))])
+  return [template.render({"public_key": public_key,
+                           "signature": signature}).encode("utf-8")]