1 files changed, 112 insertions, 0 deletions
diff --git a/test/haketilo_test/server.py b/test/haketilo_test/server.py
new file mode 100755
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+++ b/test/haketilo_test/server.py
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+"""
+A modular "virtual network" proxy,
+wrapping the classes in proxy_core.py
+"""
+
+# This file is part of Haketilo.
+#
+# Copyright (C) 2021 jahoti <jahoti@tilde.team>
+# Copyright (C) 2021 Wojtek Kosior <koszko@koszko.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+#
+# I, Wojtek Kosior, thereby promise not to sue for violation of this
+# file's license. Although I request that you do not make use of this code
+# in a proprietary program, I am not going to enforce this in court.
+
+from pathlib import Path
+from urllib.parse import parse_qs
+from threading import Thread
+import traceback
+
+from .proxy_core import ProxyRequestHandler, ThreadingHTTPServer
+from .misc_constants import *
+from .world_wide_library import catalog as internet
+
+class RequestHijacker(ProxyRequestHandler):
+    def handle_request(self, req_body):
+        path_components = self.path.split('?', maxsplit=1)
+        path = path_components[0]
+        try:
+            # Response format: (status_code, headers (dict. of strings),
+            #       body as bytes or filename containing body as string)
+            if path in internet:
+                info = internet[path]
+                if type(info) is tuple:
+                    status_code, headers, body_file = info
+                    resp_body = b''
+                    if body_file is not None:
+                        if 'Content-Type' not in headers:
+                            ext = body_file.suffix[1:]
+                            if ext and ext in mime_types:
+                                headers['Content-Type'] = mime_types[ext]
+
+                        with open(body_file, mode='rb') as f:
+                            resp_body = f.read()
+                else:
+                    # A function to evaluate to get the response
+                    get_params, post_params = {}, {}
+                    if len(path_components) == 2:
+                        get_params = parse_qs(path_components[1])
+
+                    # Parse POST parameters; currently only supports
+                    # application/x-www-form-urlencoded
+                    if req_body:
+                        post_params = parse_qs(req_body.encode())
+
+                    status_code, headers, resp_body = info(self.command, get_params, post_params)
+                    if type(resp_body) == str:
+                        resp_body = resp_body.encode()
+
+                if type(status_code) != int or status_code <= 0:
+                    raise Exception('Invalid status code %r' % status_code)
+
+                for header, header_value in headers.items():
+                    if type(header) != str:
+                        raise Exception('Invalid header key %r' % header)
+
+                    elif type(header_value) != str:
+                        raise Exception('Invalid header value %r' % header_value)
+            else:
+                status_code, headers = 404, {'Content-Type': 'text/plain'}
+                resp_body = b'Handler for this URL not found.'
+
+        except Exception:
+            status_code = 500
+            headers     = {'Content-Type': 'text/plain'}
+            resp_body   = b'Internal Error:\n' + traceback.format_exc().encode()
+
+        headers['Content-Length'] = str(len(resp_body))
+        self.send_response(status_code)
+        for header, header_value in headers.items():
+            self.send_header(header, header_value)
+
+        self.end_headers()
+        if resp_body:
+            self.wfile.write(resp_body)
+
+def do_an_internet(certdir=Path.cwd() / 'certs',
+                   port=default_proxy_port):
+    """Start up the proxy/server"""
+    class RequestHijackerWithCertdir(RequestHijacker):
+        def __init__(self, *args, **kwargs):
+            super().__init__(*args, certdir=certdir, **kwargs)
+
+    httpd = ThreadingHTTPServer(('', port), RequestHijackerWithCertdir)
+    Thread(target=httpd.serve_forever).start()
+
+    return httpd