mirror of
https://github.com/f-droid/fdroidserver.git
synced 2025-11-04 06:30:27 +03:00
146 lines
5.5 KiB
Python
Executable file
146 lines
5.5 KiB
Python
Executable file
#!/usr/bin/env python3
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import os
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import random
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import socket
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import tempfile
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import threading
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import time
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import unittest
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import requests
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from fdroidserver import net
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class RetryServer:
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"""A stupid simple HTTP server that can fail to connect.
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Proxy settings via environment variables can interfere with this
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test. The requests library will automatically pick up proxy
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settings from environment variables. Proxy settings can force the
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local connection over the proxy, which might not support that,
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then this fails with an error like 405 or others.
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"""
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def __init__(self, port=None, failures=3):
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self.port = port
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if self.port is None:
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self.port = random.randint(1024, 65535) # nosec B311
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self.failures = failures
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self.stop_event = threading.Event()
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threading.Thread(target=self.run_fake_server).start()
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def stop(self):
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self.stop_event.set()
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def run_fake_server(self):
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addr = ('localhost', self.port)
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# localhost might not be a valid name for all families, use the first available
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family = socket.getaddrinfo(addr[0], addr[1], type=socket.SOCK_STREAM)[0][0]
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server_sock = socket.create_server(addr, family=family)
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server_sock.listen(5)
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server_sock.settimeout(5)
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time.sleep(0.001) # wait for it to start
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while not self.stop_event.is_set():
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self.failures -= 1
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conn = None
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try:
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conn, address = server_sock.accept()
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conn.settimeout(5)
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except TimeoutError:
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break
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if self.failures > 0:
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conn.close()
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continue
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conn.recv(8192) # request ignored
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self.reply = b"""HTTP/1.1 200 OK
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Date: Mon, 26 Feb 2024 09:00:14 GMT
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Connection: close
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Content-Type: text/html
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<HTML><BODY>Hello World!</HEAD></HTML>
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"""
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self.reply = self.reply.replace(b' ', b'') # dedent
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conn.sendall(self.reply)
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conn.shutdown(socket.SHUT_RDWR)
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conn.close()
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self.stop_event.wait(timeout=1)
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server_sock.shutdown(socket.SHUT_RDWR)
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server_sock.close()
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class NetTest(unittest.TestCase):
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def setUp(self):
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self.tempdir = tempfile.TemporaryDirectory()
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os.chdir(self.tempdir.name)
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Path('tmp').mkdir()
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def tearDown(self):
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self.tempdir.cleanup()
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@patch('requests.get')
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def test_download_file_url_parsing(self, requests_get):
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# pylint: disable=unused-argument
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def _get(url, stream, allow_redirects, headers, timeout):
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return MagicMock()
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requests_get.side_effect = _get
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f = net.download_file('https://f-droid.org/repo/entry.jar', retries=0)
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requests_get.assert_called()
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self.assertTrue(os.path.exists(f))
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self.assertEqual('tmp/entry.jar', f)
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f = net.download_file(
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'https://d-05.example.com/custom/com.downloader.aegis-3175421.apk?_fn=QVBLUHVyZV92My4xNy41NF9hcGtwdXJlLmNvbS5hcGs&_p=Y29tLmFwa3B1cmUuYWVnb24&am=6avvTpfJ1dMl9-K6JYKzQw&arg=downloader%3A%2F%2Fcampaign%2F%3Futm_medium%3Ddownloader%26utm_source%3Daegis&at=1652080635&k=1f6e58465df3a441665e585719ab0b13627a117f&r=https%3A%2F%2Fdownloader.com%2Fdownloader-app.html%3Ficn%3Daegis%26ici%3Dimage_qr&uu=http%3A%2F%2F172.16.82.1%2Fcustom%2Fcom.downloader.aegis-3175421.apk%3Fk%3D3fb9c4ae0be578206f6a1c330736fac1627a117f',
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retries=0,
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)
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self.assertTrue(requests_get.called)
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self.assertTrue(os.path.exists(f))
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self.assertEqual('tmp/com.downloader.aegis-3175421.apk', f)
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@patch.dict(os.environ, clear=True)
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def test_download_file_retries(self):
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server = RetryServer()
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f = net.download_file('http://localhost:%d/f.txt' % server.port)
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# strip the HTTP headers and compare the reply
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self.assertEqual(server.reply.split(b'\n\n')[1], Path(f).read_bytes())
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server.stop()
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@patch.dict(os.environ, clear=True)
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def test_download_file_retries_not_forever(self):
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"""The retry logic should eventually exit with an error."""
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server = RetryServer(failures=5)
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with self.assertRaises(requests.exceptions.ConnectionError):
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net.download_file('http://localhost:%d/f.txt' % server.port)
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server.stop()
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@unittest.skipIf(os.getenv('CI'), 'FIXME this fails mysteriously only in GitLab CI')
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@patch.dict(os.environ, clear=True)
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def test_download_using_mirrors_retries(self):
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server = RetryServer()
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f = net.download_using_mirrors(
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[
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'https://fake.com/f.txt', # 404 or 301 Redirect
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'https://httpbin.org/status/403',
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'https://httpbin.org/status/500',
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'http://localhost:1/f.txt', # ConnectionError
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'http://localhost:%d/should-succeed' % server.port,
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],
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)
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# strip the HTTP headers and compare the reply
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self.assertEqual(server.reply.split(b'\n\n')[1], Path(f).read_bytes())
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server.stop()
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@patch.dict(os.environ, clear=True)
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def test_download_using_mirrors_retries_not_forever(self):
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"""The retry logic should eventually exit with an error."""
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server = RetryServer(failures=5)
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with self.assertRaises(requests.exceptions.ConnectionError):
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net.download_using_mirrors(['http://localhost:%d/' % server.port])
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server.stop()
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