238 lines
6.9 KiB
Python
238 lines
6.9 KiB
Python
import re
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import select
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import socket
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import time
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from unit.applications.lang.python import TestApplicationPython
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class TestProxyChunked(TestApplicationPython):
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prerequisites = {'modules': {'python': 'any'}}
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SERVER_PORT = 7999
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@staticmethod
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def run_server(server_port, temp_dir):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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server_address = ('127.0.0.1', server_port)
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sock.bind(server_address)
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sock.listen(10)
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def recvall(sock):
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buff_size = 4096 * 4096
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data = b''
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while True:
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rlist = select.select([sock], [], [], 0.1)
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if not rlist[0]:
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break
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part = sock.recv(buff_size)
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data += part
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if not len(part):
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break
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return data
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while True:
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connection, client_address = sock.accept()
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req = """HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked"""
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data = recvall(connection).decode()
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m = re.search('\x0d\x0a\x0d\x0a(.*)', data, re.M | re.S)
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if m is not None:
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body = m.group(1)
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for line in re.split('\r\n', body):
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add = ''
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m1 = re.search('(.*)\sX\s(\d+)', line)
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if m1 is not None:
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add = m1.group(1) * int(m1.group(2))
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else:
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add = line
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req = req + add + '\r\n'
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for chunk in re.split(r'([@#])', req):
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if chunk == '@' or chunk == '#':
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if chunk == '#':
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time.sleep(0.1)
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continue
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connection.sendall(chunk.encode())
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connection.close()
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def chunks(self, chunks):
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body = '\r\n\r\n'
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for l, c in chunks:
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body = body + l + '\r\n' + c + '\r\n'
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return body + '0\r\n\r\n'
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def get_http10(self, *args, **kwargs):
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return self.get(*args, http_10=True, **kwargs)
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def setup_method(self):
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super().setup_method()
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self.run_process(self.run_server, self.SERVER_PORT, self.temp_dir)
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self.waitforsocket(self.SERVER_PORT)
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assert 'success' in self.conf(
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{
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"listeners": {"*:7080": {"pass": "routes"},},
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"routes": [
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{
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"action": {
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"proxy": "http://127.0.0.1:"
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+ str(self.SERVER_PORT)
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}
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}
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],
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}
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), 'proxy initial configuration'
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def test_proxy_chunked(self):
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for _ in range(10):
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assert self.get_http10(body='\r\n\r\n0\r\n\r\n')['status'] == 200
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def test_proxy_chunked_body(self):
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part = '0123456789abcdef'
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assert (
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self.get_http10(body=self.chunks([('1000', part + ' X 256')]))[
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'body'
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]
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== part * 256
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)
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assert (
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self.get_http10(body=self.chunks([('100000', part + ' X 65536')]))[
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'body'
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]
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== part * 65536
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)
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assert (
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self.get_http10(
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body=self.chunks([('1000000', part + ' X 1048576')]),
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read_buffer_size=4096 * 4096,
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)['body']
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== part * 1048576
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)
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assert (
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self.get_http10(
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body=self.chunks(
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[('1000', part + ' X 256'), ('1000', part + ' X 256')]
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)
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)['body']
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== part * 256 * 2
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)
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assert (
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self.get_http10(
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body=self.chunks(
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[
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('100000', part + ' X 65536'),
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('100000', part + ' X 65536'),
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]
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)
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)['body']
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== part * 65536 * 2
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)
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assert (
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self.get_http10(
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body=self.chunks(
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[
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('1000000', part + ' X 1048576'),
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('1000000', part + ' X 1048576'),
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]
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),
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read_buffer_size=4096 * 4096,
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)['body']
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== part * 1048576 * 2
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)
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def test_proxy_chunked_fragmented(self):
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part = '0123456789abcdef'
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assert (
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self.get_http10(
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body=self.chunks(
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[('1', hex(i % 16)[2:]) for i in range(4096)]
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),
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)['body']
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== part * 256
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)
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def test_proxy_chunked_send(self):
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assert self.get_http10(body='\r\n\r\n@0@\r\n\r\n')['status'] == 200
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assert (
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self.get_http10(
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body='\r@\n\r\n2\r@\na@b\r\n2\r\ncd@\r\n0\r@\n\r\n'
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)['body']
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== 'abcd'
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)
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assert (
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self.get_http10(
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body='\r\n\r\n2\r#\na#b\r\n##2\r\n#cd\r\n0\r\n#\r#\n'
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)['body']
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== 'abcd'
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)
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def test_proxy_chunked_invalid(self):
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def check_invalid(body):
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assert self.get_http10(body=body)['status'] != 200
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check_invalid('\r\n\r0')
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check_invalid('\r\n\r\n\r0')
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check_invalid('\r\n\r\n\r\n0')
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check_invalid('\r\nContent-Length: 5\r\n\r\n0\r\n\r\n')
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check_invalid('\r\n\r\n1\r\nXX\r\n0\r\n\r\n')
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check_invalid('\r\n\r\n2\r\nX\r\n0\r\n\r\n')
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check_invalid('\r\n\r\nH\r\nXX\r\n0\r\n\r\n')
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check_invalid('\r\n\r\n0\r\nX')
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resp = self.get_http10(body='\r\n\r\n65#\r\nA X 100')
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assert resp['status'] == 200, 'incomplete chunk status'
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assert resp['body'][-5:] != '0\r\n\r\n', 'incomplete chunk'
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resp = self.get_http10(body='\r\n\r\n64#\r\nA X 100')
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assert resp['status'] == 200, 'no zero chunk status'
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assert resp['body'][-5:] != '0\r\n\r\n', 'no zero chunk'
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assert (
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self.get_http10(body='\r\n\r\n80000000\r\nA X 100')['status']
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== 200
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)
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assert (
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self.get_http10(body='\r\n\r\n10000000000000000\r\nA X 100')[
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'status'
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]
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== 502
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)
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assert (
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len(
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self.get_http10(
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body='\r\n\r\n1000000\r\nA X 1048576\r\n1000000\r\nA X 100',
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read_buffer_size=4096 * 4096,
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)['body']
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)
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>= 1048576
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)
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assert (
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len(
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self.get_http10(
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body='\r\n\r\n1000000\r\nA X 1048576\r\nXXX\r\nA X 100',
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read_buffer_size=4096 * 4096,
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)['body']
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)
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>= 1048576
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)
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