Support accessing ZeroNet via a transparent proxy.

src/Config.py

@@ -204,6 +204,7 @@ class Config(object):
         self.parser.add_argument('--ui_port', help='Web interface bind port', default=43110, type=int, metavar='port')
         self.parser.add_argument('--ui_restrict', help='Restrict web access', default=False, metavar='ip', nargs='*')
         self.parser.add_argument('--ui_host', help='Allow access using this hosts', metavar='host', nargs='*')
+        self.parser.add_argument('--ui_trans_proxy', help='Allow access using a transparent proxy', action='store_true')
 
         self.parser.add_argument('--open_browser', help='Open homepage in web browser automatically',
                                  nargs='?', const="default_browser", metavar='browser_name')

src/Ui/UiRequest.py

@@ -74,6 +74,9 @@ class UiRequest(object):
         if not self.isHostAllowed(self.env.get("HTTP_HOST")):
             return self.error403("Invalid host: %s" % self.env.get("HTTP_HOST"), details=False)
 
+        # Prepend .bit host for transparent proxy
+        if self.server.site_manager.isDomain(self.env.get("HTTP_HOST")):
+            path = re.sub("^/", "/" + self.env.get("HTTP_HOST") + "/", path)
         path = re.sub("^http://zero[/]+", "/", path)  # Remove begining http://zero/ for chrome extension
         path = re.sub("^http://", "/", path)  # Remove begining http for chrome extension .bit access
 
@@ -141,9 +144,9 @@ class UiRequest(object):
                 else:
                     return self.error404(path)
 
-    # The request is proxied by chrome extension
+    # The request is proxied by chrome extension or a transparent proxy
     def isProxyRequest(self):
-        return self.env["PATH_INFO"].startswith("http://")
+        return self.env["PATH_INFO"].startswith("http://") or (self.server.allow_trans_proxy and self.server.site_manager.isDomain(self.env.get("HTTP_HOST")))
 
     def isWebSocketRequest(self):
         return self.env.get("HTTP_UPGRADE") == "websocket"

src/Ui/UiServer.py

@@ -67,6 +67,7 @@ class UiServer:
         else:
             self.allowed_hosts = set([])
             self.learn_allowed_host = True  # It will pin to the first http request's host
+        self.allow_trans_proxy = config.ui_trans_proxy
 
         self.wrapper_nonces = []
         self.add_nonces = []