1import re 2import socket 3import time 4 5import pytest 6from conftest import run_process 7from unit.applications.lang.python import TestApplicationPython 8from unit.option import option 9from unit.utils import waitforsocket 10 11 12class TestProxy(TestApplicationPython): 13 prerequisites = {'modules': {'python': 'any'}} 14 15 SERVER_PORT = 7999 16 17 @staticmethod 18 def run_server(server_port): 19 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 20 sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) 21 22 server_address = ('', server_port) 23 sock.bind(server_address) 24 sock.listen(5) 25 26 def recvall(sock): 27 buff_size = 4096 28 data = b'' 29 while True: 30 part = sock.recv(buff_size) 31 data += part 32 if len(part) < buff_size: 33 break 34 return data 35 36 req = b"""HTTP/1.1 200 OK 37Content-Length: 10 38 39""" 40 41 while True: 42 connection, client_address = sock.accept() 43 44 data = recvall(connection).decode() 45 46 to_send = req 47 48 m = re.search(r'X-Len: (\d+)', data) 49 if m: 50 to_send += b'X' * int(m.group(1)) 51 52 connection.sendall(to_send) 53 54 connection.close() 55 56 def get_http10(self, *args, **kwargs): 57 return self.get(*args, http_10=True, **kwargs) 58 59 def post_http10(self, *args, **kwargs): 60 return self.post(*args, http_10=True, **kwargs) 61 62 def setup_method(self): 63 run_process(self.run_server, self.SERVER_PORT) 64 waitforsocket(self.SERVER_PORT) 65 66 assert 'success' in self.conf( 67 { 68 "listeners": { 69 "*:7080": {"pass": "routes"}, 70 "*:7081": {"pass": "applications/mirror"}, 71 }, 72 "routes": [{"action": {"proxy": "http://127.0.0.1:7081"}}], 73 "applications": { 74 "mirror": { 75 "type": "python", 76 "processes": {"spare": 0}, 77 "path": option.test_dir + "/python/mirror", 78 "working_directory": option.test_dir 79 + "/python/mirror", 80 "module": "wsgi", 81 }, 82 "custom_header": { 83 "type": "python", 84 "processes": {"spare": 0}, 85 "path": option.test_dir + "/python/custom_header", 86 "working_directory": option.test_dir 87 + "/python/custom_header", 88 "module": "wsgi", 89 }, 90 "delayed": { 91 "type": "python", 92 "processes": {"spare": 0}, 93 "path": option.test_dir + "/python/delayed", 94 "working_directory": option.test_dir 95 + "/python/delayed", 96 "module": "wsgi", 97 }, 98 }, 99 } 100 ), 'proxy initial configuration' 101 102 def test_proxy_http10(self): 103 for _ in range(10): 104 assert self.get_http10()['status'] == 200, 'status' 105 106 def test_proxy_chain(self): 107 assert 'success' in self.conf( 108 { 109 "listeners": { 110 "*:7080": {"pass": "routes/first"}, 111 "*:7081": {"pass": "routes/second"}, 112 "*:7082": {"pass": "routes/third"}, 113 "*:7083": {"pass": "routes/fourth"}, 114 "*:7084": {"pass": "routes/fifth"}, 115 "*:7085": {"pass": "applications/mirror"}, 116 }, 117 "routes": { 118 "first": [{"action": {"proxy": "http://127.0.0.1:7081"}}], 119 "second": [{"action": {"proxy": "http://127.0.0.1:7082"}}], 120 "third": [{"action": {"proxy": "http://127.0.0.1:7083"}}], 121 "fourth": [{"action": {"proxy": "http://127.0.0.1:7084"}}], 122 "fifth": [{"action": {"proxy": "http://127.0.0.1:7085"}}], 123 }, 124 "applications": { 125 "mirror": { 126 "type": "python", 127 "processes": {"spare": 0}, 128 "path": option.test_dir + "/python/mirror", 129 "working_directory": option.test_dir 130 + "/python/mirror", 131 "module": "wsgi", 132 } 133 }, 134 } 135 ), 'proxy chain configuration' 136 137 assert self.get_http10()['status'] == 200, 'status' 138 139 def test_proxy_body(self): 140 payload = '0123456789' 141 for _ in range(10): 142 resp = self.post_http10(body=payload) 143 144 assert resp['status'] == 200, 'status' 145 assert resp['body'] == payload, 'body' 146 147 payload = 'X' * 4096 148 for _ in range(10): 149 resp = self.post_http10(body=payload) 150 151 assert resp['status'] == 200, 'status' 152 assert resp['body'] == payload, 'body' 153 154 payload = 'X' * 4097 155 for _ in range(10): 156 resp = self.post_http10(body=payload) 157 158 assert resp['status'] == 200, 'status' 159 assert resp['body'] == payload, 'body' 160 161 payload = 'X' * 4096 * 256 162 for _ in range(10): 163 resp = self.post_http10(body=payload, read_buffer_size=4096 * 128) 164 165 assert resp['status'] == 200, 'status' 166 assert resp['body'] == payload, 'body' 167 168 payload = 'X' * 4096 * 257 169 for _ in range(10): 170 resp = self.post_http10(body=payload, read_buffer_size=4096 * 128) 171 172 assert resp['status'] == 200, 'status' 173 assert resp['body'] == payload, 'body' 174 175 self.conf({'http': {'max_body_size': 32 * 1024 * 1024}}, 'settings') 176 177 payload = '0123456789abcdef' * 32 * 64 * 1024 178 resp = self.post_http10(body=payload, read_buffer_size=1024 * 1024) 179 assert resp['status'] == 200, 'status' 180 assert resp['body'] == payload, 'body' 181 182 def test_proxy_parallel(self): 183 payload = 'X' * 4096 * 257 184 buff_size = 4096 * 258 185 186 socks = [] 187 for i in range(10): 188 _, sock = self.post_http10( 189 body=payload + str(i), 190 start=True, 191 no_recv=True, 192 read_buffer_size=buff_size, 193 ) 194 socks.append(sock) 195 196 for i in range(10): 197 resp = self.recvall(socks[i], buff_size=buff_size).decode() 198 socks[i].close() 199 200 resp = self._resp_to_dict(resp) 201 202 assert resp['status'] == 200, 'status' 203 assert resp['body'] == payload + str(i), 'body' 204 205 def test_proxy_header(self): 206 assert 'success' in self.conf( 207 {"pass": "applications/custom_header"}, 'listeners/*:7081' 208 ), 'custom_header configure' 209 210 header_value = 'blah' 211 assert ( 212 self.get_http10( 213 headers={'Host': 'localhost', 'Custom-Header': header_value} 214 )['headers']['Custom-Header'] 215 == header_value 216 ), 'custom header' 217 218 header_value = r'(),/:;<=>?@[\]{}\t !#$%&\'*+-.^_`|~' 219 assert ( 220 self.get_http10( 221 headers={'Host': 'localhost', 'Custom-Header': header_value} 222 )['headers']['Custom-Header'] 223 == header_value 224 ), 'custom header 2' 225 226 header_value = 'X' * 4096 227 assert ( 228 self.get_http10( 229 headers={'Host': 'localhost', 'Custom-Header': header_value} 230 )['headers']['Custom-Header'] 231 == header_value 232 ), 'custom header 3' 233 234 header_value = 'X' * 8191 235 assert ( 236 self.get_http10( 237 headers={'Host': 'localhost', 'Custom-Header': header_value} 238 )['headers']['Custom-Header'] 239 == header_value 240 ), 'custom header 4' 241 242 header_value = 'X' * 8192 243 assert ( 244 self.get_http10( 245 headers={'Host': 'localhost', 'Custom-Header': header_value} 246 )['status'] 247 == 431 248 ), 'custom header 5' 249 250 def test_proxy_fragmented(self): 251 _, sock = self.http( 252 b"""GET / HTT""", raw=True, start=True, no_recv=True 253 ) 254 255 time.sleep(1) 256 257 sock.sendall("P/1.0\r\nHost: localhos".encode()) 258 259 time.sleep(1) 260 261 sock.sendall("t\r\n\r\n".encode()) 262 263 assert re.search( 264 '200 OK', self.recvall(sock).decode() 265 ), 'fragmented send' 266 sock.close() 267 268 def test_proxy_fragmented_close(self): 269 _, sock = self.http( 270 b"""GET / HTT""", raw=True, start=True, no_recv=True 271 ) 272 273 time.sleep(1) 274 275 sock.sendall("P/1.0\r\nHo".encode()) 276 277 sock.close() 278 279 def test_proxy_fragmented_body(self): 280 _, sock = self.http( 281 b"""GET / HTT""", raw=True, start=True, no_recv=True 282 ) 283 284 time.sleep(1) 285 286 sock.sendall("P/1.0\r\nHost: localhost\r\n".encode()) 287 sock.sendall("Content-Length: 30000\r\n".encode()) 288 289 time.sleep(1) 290 291 sock.sendall("\r\n".encode()) 292 sock.sendall(("X" * 10000).encode()) 293 294 time.sleep(1) 295 296 sock.sendall(("X" * 10000).encode()) 297 298 time.sleep(1) 299 300 sock.sendall(("X" * 10000).encode()) 301 302 resp = self._resp_to_dict(self.recvall(sock).decode()) 303 sock.close() 304 305 assert resp['status'] == 200, 'status' 306 assert resp['body'] == "X" * 30000, 'body' 307 308 def test_proxy_fragmented_body_close(self): 309 _, sock = self.http( 310 b"""GET / HTT""", raw=True, start=True, no_recv=True 311 ) 312 313 time.sleep(1) 314 315 sock.sendall("P/1.0\r\nHost: localhost\r\n".encode()) 316 sock.sendall("Content-Length: 30000\r\n".encode()) 317 318 time.sleep(1) 319 320 sock.sendall("\r\n".encode()) 321 sock.sendall(("X" * 10000).encode()) 322 323 sock.close() 324 325 def test_proxy_nowhere(self): 326 assert 'success' in self.conf( 327 [{"action": {"proxy": "http://127.0.0.1:7082"}}], 'routes' 328 ), 'proxy path changed' 329 330 assert self.get_http10()['status'] == 502, 'status' 331 332 def test_proxy_ipv6(self): 333 assert 'success' in self.conf( 334 { 335 "*:7080": {"pass": "routes"}, 336 "[::1]:7081": {'application': 'mirror'}, 337 }, 338 'listeners', 339 ), 'add ipv6 listener configure' 340 341 assert 'success' in self.conf( 342 [{"action": {"proxy": "http://[::1]:7081"}}], 'routes' 343 ), 'proxy ipv6 configure' 344 345 assert self.get_http10()['status'] == 200, 'status' 346 347 def test_proxy_unix(self, temp_dir): 348 addr = temp_dir + '/sock' 349 350 assert 'success' in self.conf( 351 { 352 "*:7080": {"pass": "routes"}, 353 "unix:" + addr: {'application': 'mirror'}, 354 }, 355 'listeners', 356 ), 'add unix listener configure' 357 358 assert 'success' in self.conf( 359 [{"action": {"proxy": 'http://unix:' + addr}}], 'routes' 360 ), 'proxy unix configure' 361 362 assert self.get_http10()['status'] == 200, 'status' 363 364 def test_proxy_delayed(self): 365 assert 'success' in self.conf( 366 {"pass": "applications/delayed"}, 'listeners/*:7081' 367 ), 'delayed configure' 368 369 body = '0123456789' * 1000 370 resp = self.post_http10( 371 headers={ 372 'Host': 'localhost', 373 'Content-Type': 'text/html', 374 'Content-Length': str(len(body)), 375 'X-Parts': '2', 376 'X-Delay': '1', 377 }, 378 body=body, 379 ) 380 381 assert resp['status'] == 200, 'status' 382 assert resp['body'] == body, 'body' 383 384 resp = self.post_http10( 385 headers={ 386 'Host': 'localhost', 387 'Content-Type': 'text/html', 388 'Content-Length': str(len(body)), 389 'X-Parts': '2', 390 'X-Delay': '1', 391 }, 392 body=body, 393 ) 394 395 assert resp['status'] == 200, 'status' 396 assert resp['body'] == body, 'body' 397 398 def test_proxy_delayed_close(self): 399 assert 'success' in self.conf( 400 {"pass": "applications/delayed"}, 'listeners/*:7081' 401 ), 'delayed configure' 402 403 _, sock = self.post_http10( 404 headers={ 405 'Host': 'localhost', 406 'Content-Type': 'text/html', 407 'Content-Length': '10000', 408 'X-Parts': '3', 409 'X-Delay': '1', 410 }, 411 body='0123456789' * 1000, 412 start=True, 413 no_recv=True, 414 ) 415 416 assert re.search('200 OK', sock.recv(100).decode()), 'first' 417 sock.close() 418 419 _, sock = self.post_http10( 420 headers={ 421 'Host': 'localhost', 422 'Content-Type': 'text/html', 423 'Content-Length': '10000', 424 'X-Parts': '3', 425 'X-Delay': '1', 426 }, 427 body='0123456789' * 1000, 428 start=True, 429 no_recv=True, 430 ) 431 432 assert re.search('200 OK', sock.recv(100).decode()), 'second' 433 sock.close() 434 435 @pytest.mark.skip('not yet') 436 def test_proxy_content_length(self): 437 assert 'success' in self.conf( 438 [ 439 { 440 "action": { 441 "proxy": "http://127.0.0.1:" + str(self.SERVER_PORT) 442 } 443 } 444 ], 445 'routes', 446 ), 'proxy backend configure' 447 448 resp = self.get_http10() 449 assert len(resp['body']) == 0, 'body lt Content-Length 0' 450 451 resp = self.get_http10(headers={'Host': 'localhost', 'X-Len': '5'}) 452 assert len(resp['body']) == 5, 'body lt Content-Length 5' 453 454 resp = self.get_http10(headers={'Host': 'localhost', 'X-Len': '9'}) 455 assert len(resp['body']) == 9, 'body lt Content-Length 9' 456 457 resp = self.get_http10(headers={'Host': 'localhost', 'X-Len': '11'}) 458 assert len(resp['body']) == 10, 'body gt Content-Length 11' 459 460 resp = self.get_http10(headers={'Host': 'localhost', 'X-Len': '15'}) 461 assert len(resp['body']) == 10, 'body gt Content-Length 15' 462 463 def test_proxy_invalid(self): 464 def check_proxy(proxy): 465 assert 'error' in \ 466 self.conf([{"action": {"proxy": proxy}}], 'routes'), \ 467 'proxy invalid' 468 469 check_proxy('blah') 470 check_proxy('/blah') 471 check_proxy('unix:/blah') 472 check_proxy('http://blah') 473 check_proxy('http://127.0.0.1') 474 check_proxy('http://127.0.0.1:') 475 check_proxy('http://127.0.0.1:blah') 476 check_proxy('http://127.0.0.1:-1') 477 check_proxy('http://127.0.0.1:7080b') 478 check_proxy('http://[]') 479 check_proxy('http://[]:7080') 480 check_proxy('http://[:]:7080') 481 check_proxy('http://[::7080') 482 483 def test_proxy_loop(self, skip_alert): 484 skip_alert( 485 r'socket.*failed', 486 r'accept.*failed', 487 r'new connections are not accepted', 488 ) 489 self.conf( 490 { 491 "listeners": { 492 "*:7080": {"pass": "routes"}, 493 "*:7081": {"pass": "applications/mirror"}, 494 "*:7082": {"pass": "routes"}, 495 }, 496 "routes": [{"action": {"proxy": "http://127.0.0.1:7082"}}], 497 "applications": { 498 "mirror": { 499 "type": "python", 500 "processes": {"spare": 0}, 501 "path": option.test_dir + "/python/mirror", 502 "working_directory": option.test_dir + "/python/mirror", 503 "module": "wsgi", 504 }, 505 }, 506 } 507 ) 508 509 self.get_http10(no_recv=True) 510 self.get_http10(read_timeout=1) 511