Add the beginnings of a test suite

4 files changed, 786 insertions, 1 deletions

diff --git a/copyright b/copyright
index 36340e4..98a54b2 100644
--- a/copyright
+++ b/copyright
@@ -56,6 +56,35 @@ Copyright: 2005-2021 Giorgio Maone - https://maone.net
    2021 jahoti <jahoti@tilde.team>
 License: GPL-2+
 
+Files: test/proxy_core.py test/init.sh
+Copyright: 2015, inaz2
+   2021 jahoti <jahoti@tilde.team>
+License: BSD-3
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ .
+ * Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+ .
+ * Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+ .
+ * Neither the name of proxy2 nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+ .
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 Files: licenses/*
 Copyright: 2001, 2002, 2011-2013 Creative Commons
 License: CC-BY-4.0
@@ -68,7 +97,7 @@ License: CC0 and public-domain
 License: CC0
  See `licenses/cc0.txt'
 
-Files: licenses/gpl-2.txt licenses/gpl-3.0.txt
+Files: licenses/gpl-2.txt licenses/gpl-3.0.txt licenses/agpl-3.0.txt
 Copyright: 2007 Free Software Foundation, Inc. <https://fsf.org/>
 License: no-changing
  Everyone is permitted to copy and distribute verbatim copies of
@@ -134,3 +163,18 @@ License: CC-BY-SA-4.0
 
 License: CC-BY-4.0
  See `licenses/cc-by-4.0.txt'
+
+License: AGPL-3+
+ 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,
+ you can get it from  `https://www.gnu.org/licenses/agpl-3.0.html'.
diff --git a/licenses/agpl-3.0.txt b/licenses/agpl-3.0.txt
new file mode 100644
index 0000000..5908d37
--- /dev/null
+++ b/licenses/agpl-3.0.txt
@@ -0,0 +1,633 @@
+GNU AFFERO GENERAL PUBLIC LICENSE
+
+Version 3, 19 November 2007
+
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+license document, but changing it is not allowed.
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+server at no charge, through some standard or customary means of
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+the Corresponding Source for any work covered by version 3 of the GNU
+General Public License that is incorporated pursuant to the following
+paragraph.
+
+Notwithstanding any other provision of this License, you have permission to
+link or combine any covered work with a work licensed under version 3 of
+the GNU General Public License into a single combined work, and to convey
+the resulting work. The terms of this License will continue to apply to the
+part which is the covered work, but the work with which it is combined will
+remain governed by version 3 of the GNU General Public License.
+
+14. Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions of the
+GNU Affero General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies that a certain numbered version of the GNU Affero General Public
+License "or any later version" applies to it, you have the option of
+following the terms and conditions either of that numbered version or of
+any later version published by the Free Software Foundation. If the Program
+does not specify a version number of the GNU Affero General Public License,
+you may choose any version ever published by the Free Software Foundation.
+
+If the Program specifies that a proxy can decide which future versions of
+the GNU Affero General Public License can be used, that proxy's public
+statement of acceptance of a version permanently authorizes you to choose
+that version for the Program.
+
+Later license versions may give you additional or different permissions.
+However, no additional obligations are imposed on any author or copyright
+holder as a result of your choosing to follow a later version.
+
+15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
+LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
+OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND,
+EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.
+SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
+SERVICING, REPAIR OR CORRECTION.
+
+16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL
+ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE
+PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided above
+cannot be given local legal effect according to their terms, reviewing
+courts shall apply local law that most closely approximates an absolute
+waiver of all civil liability in connection with the Program, unless a
+warranty or assumption of liability accompanies a copy of the Program in
+return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it free
+software which everyone can redistribute and change under these terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state the
+exclusion of warranty; and each file should have at least the "copyright"
+line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to get
+its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive of
+the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary. For
+more information on this, and how to apply and follow the GNU AGPL, see <
+http://www.gnu.org/licenses/>.
+
diff --git a/test/init.sh b/test/init.sh
new file mode 100644
index 0000000..915db76
--- /dev/null
+++ b/test/init.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+#
+# Copyright (c) 2015, inaz2
+# Copyright (C) 2021 jahoti <jahoti@tilde.team>
+# Licensing information is collated in the `copyright` file
+
+# Initialize the root certificate for the tests proxy server
+# Make sure this is run in the directory where they will be put!
+
+openssl genrsa -out ca.key 2048
+openssl genrsa -out cert.key 2048
+openssl req -new -x509 -days 3650 -key ca.key -out ca.crt -subj "/CN=Hachette Test"
diff --git a/test/proxy_core.py b/test/proxy_core.py
new file mode 100644
index 0000000..6b214cf
--- /dev/null
+++ b/test/proxy_core.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2015, inaz2
+# Copyright (C) 2021 jahoti <jahoti@tilde.team>
+# Licensing information is collated in the `copyright` file
+
+"""
+The core for a "virtual network" proxy
+
+Be sure to run this inside your intended certificates directory.
+"""
+
+import os, socket, ssl, sys, threading, time
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from socketserver import ThreadingMixIn
+from subprocess import Popen, PIPE
+
+gen_cert_req, lock = 'openssl req -new -key cert.key -subj /CN=%s', threading.Lock()
+sign_cert_req = 'openssl x509 -req -days 3650 -CA ca.crt -CAkey ca.key -set_serial %d -out %s'
+
+
+class ProxyRequestHandler(BaseHTTPRequestHandler):
+	"""Handles a network request made to the proxy"""
+	
+	def log_error(self, format, *args):
+		# suppress "Request timed out: timeout('timed out',)"
+		if isinstance(args[0], socket.timeout):
+			return
+
+		self.log_message(format, *args)
+
+	def do_CONNECT(self):
+		hostname = self.path.split(':')[0]
+		certpath = '%s.crt' % (hostname if hostname != 'ca' else 'CA')
+
+		with lock:
+			if not os.path.isfile(certpath):
+				p1 = Popen((gen_cert_req % hostname).split(' '), stdout=PIPE).stdout
+				Popen((sign_cert_req % (time.time() * 1000, certpath)).split(' '), stdin=p1, stderr=PIPE).communicate()
+
+		self.wfile.write('HTTP/1.1 200 Connection Established\r\n')
+		self.end_headers()
+
+		self.connection = ssl.wrap_socket(self.connection, keyfile='cert.key', certfile=certpath, server_side=True)
+		self.rfile = self.connection.makefile('rb', self.rbufsize)
+		self.wfile = self.connection.makefile('wb', self.wbufsize)
+
+		self.close_connection = int(self.headers.get('Proxy-Connection', '').lower() == 'close')
+
+	def proxy(self):
+		if self.path == 'http://hachette.test/':
+			with open('ca.crt', 'rb') as f:
+				data = f.read()
+
+			self.wfile.write('HTTP/1.1 200 OK\r\n')
+			self.send_header('Content-Type', 'application/x-x509-ca-cert')
+			self.send_header('Content-Length', len(data))
+			self.send_header('Connection', 'close')
+			self.end_headers()
+			self.wfile.write(data)
+			return
+
+		content_length = int(self.headers.get('Content-Length', 0))
+		req_body = self.rfile.read(content_length) if content_length else None
+
+		if self.path[0] == '/':
+			if isinstance(self.connection, ssl.SSLSocket):
+				self.path = 'https://%s%s' % (self.headers['Host'], self.path)
+			else:
+				self.path = 'http://%s%s' % (self.headers['Host'], self.path)
+
+		self.handle_request(req_body)
+
+	do_OPTIONS = do_DELETE = do_PUT = do_HEAD = do_POST = do_GET = proxy
+
+	def handle_request(self, req_body):
+		pass
+
+
+class ThreadingHTTPServer(ThreadingMixIn, HTTPServer):
+	"""The actual proxy server"""
+	address_family, daemon_threads, handler = socket.AF_INET6, True, ProxyRequestHandler
+
+	def handle_error(self, request, client_address):
+		# suppress socket/ssl related errors
+		cls, e = sys.exc_info()[:2]
+		if not (cls is socket.error or cls is ssl.SSLError):
+			return HTTPServer.handle_error(self, request, client_address)
+
+
+def start(server_class, port=1337):
+	"""Start up the proxy/server"""
+	
+	print('Serving HTTP Proxy')
+	httpd = server_class(('::1', port), ProxyRequestHandler)
+	httpd.serve_forever()