mirror of https://github.com/scrapy/scrapy.git
1280 lines
53 KiB
Python
1280 lines
53 KiB
Python
from itertools import chain, product
|
|
|
|
import pytest
|
|
|
|
from scrapy.downloadermiddlewares.httpproxy import HttpProxyMiddleware
|
|
from scrapy.downloadermiddlewares.redirect import (
|
|
MetaRefreshMiddleware,
|
|
RedirectMiddleware,
|
|
)
|
|
from scrapy.exceptions import IgnoreRequest
|
|
from scrapy.http import HtmlResponse, Request, Response
|
|
from scrapy.spiders import Spider
|
|
from scrapy.utils.misc import set_environ
|
|
from scrapy.utils.spider import DefaultSpider
|
|
from scrapy.utils.test import get_crawler
|
|
|
|
|
|
class Base:
|
|
class Test:
|
|
def test_priority_adjust(self):
|
|
req = Request("http://a.com")
|
|
rsp = self.get_response(req, "http://a.com/redirected")
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert req2.priority > req.priority
|
|
|
|
def test_dont_redirect(self):
|
|
url = "http://www.example.com/301"
|
|
url2 = "http://www.example.com/redirected"
|
|
req = Request(url, meta={"dont_redirect": True})
|
|
rsp = self.get_response(req, url2)
|
|
|
|
r = self.mw.process_response(req, rsp)
|
|
assert isinstance(r, Response)
|
|
assert r is rsp
|
|
|
|
# Test that it redirects when dont_redirect is False
|
|
req = Request(url, meta={"dont_redirect": False})
|
|
rsp = self.get_response(req, url2)
|
|
|
|
r = self.mw.process_response(req, rsp)
|
|
assert isinstance(r, Request)
|
|
|
|
def test_post(self):
|
|
url = "http://www.example.com/302"
|
|
url2 = "http://www.example.com/redirected2"
|
|
req = Request(
|
|
url,
|
|
method="POST",
|
|
body="test",
|
|
headers={"Content-Type": "text/plain", "Content-length": "4"},
|
|
)
|
|
rsp = self.get_response(req, url2)
|
|
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == url2
|
|
assert req2.method == "GET"
|
|
assert "Content-Type" not in req2.headers, (
|
|
"Content-Type header must not be present in redirected request"
|
|
)
|
|
assert "Content-Length" not in req2.headers, (
|
|
"Content-Length header must not be present in redirected request"
|
|
)
|
|
assert not req2.body, f"Redirected body must be empty, not '{req2.body}'"
|
|
|
|
def test_max_redirect_times(self):
|
|
self.mw.max_redirect_times = 1
|
|
req = Request("http://scrapytest.org/302")
|
|
rsp = self.get_response(req, "/redirected")
|
|
|
|
req = self.mw.process_response(req, rsp)
|
|
assert isinstance(req, Request)
|
|
assert "redirect_times" in req.meta
|
|
assert req.meta["redirect_times"] == 1
|
|
with pytest.raises(IgnoreRequest):
|
|
self.mw.process_response(req, rsp)
|
|
|
|
def test_ttl(self):
|
|
self.mw.max_redirect_times = 100
|
|
req = Request("http://scrapytest.org/302", meta={"redirect_ttl": 1})
|
|
rsp = self.get_response(req, "/a")
|
|
|
|
req = self.mw.process_response(req, rsp)
|
|
assert isinstance(req, Request)
|
|
with pytest.raises(IgnoreRequest):
|
|
self.mw.process_response(req, rsp)
|
|
|
|
def test_redirect_urls(self):
|
|
req1 = Request("http://scrapytest.org/first")
|
|
rsp1 = self.get_response(req1, "/redirected")
|
|
req2 = self.mw.process_response(req1, rsp1)
|
|
rsp2 = self.get_response(req1, "/redirected2")
|
|
req3 = self.mw.process_response(req2, rsp2)
|
|
|
|
assert req2.url == "http://scrapytest.org/redirected"
|
|
assert req2.meta["redirect_urls"] == ["http://scrapytest.org/first"]
|
|
assert req3.url == "http://scrapytest.org/redirected2"
|
|
assert req3.meta["redirect_urls"] == [
|
|
"http://scrapytest.org/first",
|
|
"http://scrapytest.org/redirected",
|
|
]
|
|
|
|
def test_redirect_reasons(self):
|
|
req1 = Request("http://scrapytest.org/first")
|
|
rsp1 = self.get_response(req1, "/redirected1")
|
|
req2 = self.mw.process_response(req1, rsp1)
|
|
rsp2 = self.get_response(req2, "/redirected2")
|
|
req3 = self.mw.process_response(req2, rsp2)
|
|
assert req2.meta["redirect_reasons"] == [self.reason]
|
|
assert req3.meta["redirect_reasons"] == [self.reason, self.reason]
|
|
|
|
def test_cross_origin_header_dropping(self):
|
|
safe_headers = {"A": "B"}
|
|
cookie_header = {"Cookie": "a=b"}
|
|
authorization_header = {"Authorization": "Bearer 123456"}
|
|
|
|
original_request = Request(
|
|
"https://example.com",
|
|
headers={**safe_headers, **cookie_header, **authorization_header},
|
|
)
|
|
|
|
# Redirects to the same origin (same scheme, same domain, same port)
|
|
# keep all headers.
|
|
internal_response = self.get_response(
|
|
original_request, "https://example.com/a"
|
|
)
|
|
internal_redirect_request = self.mw.process_response(
|
|
original_request, internal_response
|
|
)
|
|
assert isinstance(internal_redirect_request, Request)
|
|
assert original_request.headers == internal_redirect_request.headers
|
|
|
|
# Redirects to the same origin (same scheme, same domain, same port)
|
|
# keep all headers also when the scheme is http.
|
|
http_request = Request(
|
|
"http://example.com",
|
|
headers={**safe_headers, **cookie_header, **authorization_header},
|
|
)
|
|
http_response = self.get_response(http_request, "http://example.com/a")
|
|
http_redirect_request = self.mw.process_response(
|
|
http_request, http_response
|
|
)
|
|
assert isinstance(http_redirect_request, Request)
|
|
assert http_request.headers == http_redirect_request.headers
|
|
|
|
# For default ports, whether the port is explicit or implicit does not
|
|
# affect the outcome, it is still the same origin.
|
|
to_explicit_port_response = self.get_response(
|
|
original_request, "https://example.com:443/a"
|
|
)
|
|
to_explicit_port_redirect_request = self.mw.process_response(
|
|
original_request, to_explicit_port_response
|
|
)
|
|
assert isinstance(to_explicit_port_redirect_request, Request)
|
|
assert original_request.headers == to_explicit_port_redirect_request.headers
|
|
|
|
# For default ports, whether the port is explicit or implicit does not
|
|
# affect the outcome, it is still the same origin.
|
|
to_implicit_port_response = self.get_response(
|
|
original_request, "https://example.com/a"
|
|
)
|
|
to_implicit_port_redirect_request = self.mw.process_response(
|
|
original_request, to_implicit_port_response
|
|
)
|
|
assert isinstance(to_implicit_port_redirect_request, Request)
|
|
assert original_request.headers == to_implicit_port_redirect_request.headers
|
|
|
|
# A port change drops the Authorization header because the origin
|
|
# changes, but keeps the Cookie header because the domain remains the
|
|
# same.
|
|
different_port_response = self.get_response(
|
|
original_request, "https://example.com:8080/a"
|
|
)
|
|
different_port_redirect_request = self.mw.process_response(
|
|
original_request, different_port_response
|
|
)
|
|
assert isinstance(different_port_redirect_request, Request)
|
|
assert {
|
|
**safe_headers,
|
|
**cookie_header,
|
|
} == different_port_redirect_request.headers.to_unicode_dict()
|
|
|
|
# A domain change drops both the Authorization and the Cookie header.
|
|
external_response = self.get_response(
|
|
original_request, "https://example.org/a"
|
|
)
|
|
external_redirect_request = self.mw.process_response(
|
|
original_request, external_response
|
|
)
|
|
assert isinstance(external_redirect_request, Request)
|
|
assert safe_headers == external_redirect_request.headers.to_unicode_dict()
|
|
|
|
# A scheme upgrade (http → https) drops the Authorization header
|
|
# because the origin changes, but keeps the Cookie header because the
|
|
# domain remains the same.
|
|
upgrade_response = self.get_response(http_request, "https://example.com/a")
|
|
upgrade_redirect_request = self.mw.process_response(
|
|
http_request, upgrade_response
|
|
)
|
|
assert isinstance(upgrade_redirect_request, Request)
|
|
assert {
|
|
**safe_headers,
|
|
**cookie_header,
|
|
} == upgrade_redirect_request.headers.to_unicode_dict()
|
|
|
|
# A scheme downgrade (https → http) drops the Authorization header
|
|
# because the origin changes, and the Cookie header because its value
|
|
# cannot indicate whether the cookies were secure (HTTPS-only) or not.
|
|
#
|
|
# Note: If the Cookie header is set by the cookie management
|
|
# middleware, as recommended in the docs, the dropping of Cookie on
|
|
# scheme downgrade is not an issue, because the cookie management
|
|
# middleware will add again the Cookie header to the new request if
|
|
# appropriate.
|
|
downgrade_response = self.get_response(
|
|
original_request, "http://example.com/a"
|
|
)
|
|
downgrade_redirect_request = self.mw.process_response(
|
|
original_request, downgrade_response
|
|
)
|
|
assert isinstance(downgrade_redirect_request, Request)
|
|
assert safe_headers == downgrade_redirect_request.headers.to_unicode_dict()
|
|
|
|
def test_meta_proxy_http_absolute(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("http://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_meta_proxy_http_relative(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("http://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "/a")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "/a")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_meta_proxy_https_absolute(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("https://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_meta_proxy_https_relative(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("https://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "/a")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "/a")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_meta_proxy_http_to_https(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("http://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_meta_proxy_https_to_http(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
meta = {"proxy": "https://a:@a.example"}
|
|
request1 = Request("https://example.com", meta=meta)
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_http_absolute(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_http_relative(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "/a")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "/a")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_https_absolute(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"https_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_https_relative(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"https_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "/a")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "/a")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_proxied_http_to_proxied_https(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
"https_proxy": "https://b:@b.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request2.meta["_auth_proxy"] == "https://b.example"
|
|
assert request2.meta["proxy"] == "https://b.example"
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_proxied_http_to_unproxied_https(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request1.meta["_auth_proxy"] == "https://a.example"
|
|
assert request1.meta["proxy"] == "https://a.example"
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request3.meta["_auth_proxy"] == "https://a.example"
|
|
assert request3.meta["proxy"] == "https://a.example"
|
|
|
|
def test_system_proxy_unproxied_http_to_proxied_https(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"https_proxy": "https://b:@b.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert "Proxy-Authorization" not in request1.headers
|
|
assert "_auth_proxy" not in request1.meta
|
|
assert "proxy" not in request1.meta
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request2.meta["_auth_proxy"] == "https://b.example"
|
|
assert request2.meta["proxy"] == "https://b.example"
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
def test_system_proxy_unproxied_http_to_unproxied_https(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("http://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert "Proxy-Authorization" not in request1.headers
|
|
assert "_auth_proxy" not in request1.meta
|
|
assert "proxy" not in request1.meta
|
|
|
|
response1 = self.get_response(request1, "https://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
response2 = self.get_response(request2, "http://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
def test_system_proxy_proxied_https_to_proxied_http(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
"https_proxy": "https://b:@b.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request1.meta["_auth_proxy"] == "https://b.example"
|
|
assert request1.meta["proxy"] == "https://b.example"
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request3.meta["_auth_proxy"] == "https://b.example"
|
|
assert request3.meta["proxy"] == "https://b.example"
|
|
|
|
def test_system_proxy_proxied_https_to_unproxied_http(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"https_proxy": "https://b:@b.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert request1.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request1.meta["_auth_proxy"] == "https://b.example"
|
|
assert request1.meta["proxy"] == "https://b.example"
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert request3.headers["Proxy-Authorization"] == b"Basic Yjo="
|
|
assert request3.meta["_auth_proxy"] == "https://b.example"
|
|
assert request3.meta["proxy"] == "https://b.example"
|
|
|
|
def test_system_proxy_unproxied_https_to_proxied_http(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
env = {
|
|
"http_proxy": "https://a:@a.example",
|
|
}
|
|
with set_environ(**env):
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert "Proxy-Authorization" not in request1.headers
|
|
assert "_auth_proxy" not in request1.meta
|
|
assert "proxy" not in request1.meta
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert request2.headers["Proxy-Authorization"] == b"Basic YTo="
|
|
assert request2.meta["_auth_proxy"] == "https://a.example"
|
|
assert request2.meta["proxy"] == "https://a.example"
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
def test_system_proxy_unproxied_https_to_unproxied_http(self):
|
|
crawler = get_crawler()
|
|
redirect_mw = self.mwcls.from_crawler(crawler)
|
|
proxy_mw = HttpProxyMiddleware.from_crawler(crawler)
|
|
|
|
request1 = Request("https://example.com")
|
|
proxy_mw.process_request(request1)
|
|
|
|
assert "Proxy-Authorization" not in request1.headers
|
|
assert "_auth_proxy" not in request1.meta
|
|
assert "proxy" not in request1.meta
|
|
|
|
response1 = self.get_response(request1, "http://example.com")
|
|
request2 = redirect_mw.process_response(request1, response1)
|
|
|
|
assert isinstance(request2, Request)
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
proxy_mw.process_request(request2)
|
|
|
|
assert "Proxy-Authorization" not in request2.headers
|
|
assert "_auth_proxy" not in request2.meta
|
|
assert "proxy" not in request2.meta
|
|
|
|
response2 = self.get_response(request2, "https://example.com")
|
|
request3 = redirect_mw.process_response(request2, response2)
|
|
|
|
assert isinstance(request3, Request)
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
proxy_mw.process_request(request3)
|
|
|
|
assert "Proxy-Authorization" not in request3.headers
|
|
assert "_auth_proxy" not in request3.meta
|
|
assert "proxy" not in request3.meta
|
|
|
|
|
|
class TestRedirectMiddleware(Base.Test):
|
|
mwcls = RedirectMiddleware
|
|
reason = 302
|
|
|
|
def setup_method(self):
|
|
crawler = get_crawler(DefaultSpider)
|
|
crawler.spider = crawler._create_spider()
|
|
self.mw = self.mwcls.from_crawler(crawler)
|
|
|
|
def get_response(self, request, location, status=302):
|
|
headers = {"Location": location}
|
|
return Response(request.url, status=status, headers=headers)
|
|
|
|
def test_redirect_3xx_permanent(self):
|
|
def _test(method, status=301):
|
|
url = f"http://www.example.com/{status}"
|
|
url2 = "http://www.example.com/redirected"
|
|
req = Request(url, method=method)
|
|
rsp = Response(url, headers={"Location": url2}, status=status)
|
|
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == url2
|
|
assert req2.method == method
|
|
|
|
# response without Location header but with status code is 3XX should be ignored
|
|
del rsp.headers["Location"]
|
|
assert self.mw.process_response(req, rsp) is rsp
|
|
|
|
_test("GET")
|
|
_test("POST")
|
|
_test("HEAD")
|
|
|
|
_test("GET", status=307)
|
|
_test("POST", status=307)
|
|
_test("HEAD", status=307)
|
|
|
|
_test("GET", status=308)
|
|
_test("POST", status=308)
|
|
_test("HEAD", status=308)
|
|
|
|
def test_redirect_302_head(self):
|
|
url = "http://www.example.com/302"
|
|
url2 = "http://www.example.com/redirected2"
|
|
req = Request(url, method="HEAD")
|
|
rsp = Response(url, headers={"Location": url2}, status=302)
|
|
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == url2
|
|
assert req2.method == "HEAD"
|
|
|
|
def test_redirect_302_relative(self):
|
|
url = "http://www.example.com/302"
|
|
url2 = "///i8n.example2.com/302"
|
|
url3 = "http://i8n.example2.com/302"
|
|
req = Request(url, method="HEAD")
|
|
rsp = Response(url, headers={"Location": url2}, status=302)
|
|
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == url3
|
|
assert req2.method == "HEAD"
|
|
|
|
def test_spider_handling(self):
|
|
self.mw.crawler.spider.handle_httpstatus_list = [404, 301, 302]
|
|
url = "http://www.example.com/301"
|
|
url2 = "http://www.example.com/redirected"
|
|
req = Request(url)
|
|
rsp = Response(url, headers={"Location": url2}, status=301)
|
|
r = self.mw.process_response(req, rsp)
|
|
assert r is rsp
|
|
|
|
def test_request_meta_handling(self):
|
|
url = "http://www.example.com/301"
|
|
url2 = "http://www.example.com/redirected"
|
|
|
|
def _test_passthrough(req):
|
|
rsp = Response(url, headers={"Location": url2}, status=301, request=req)
|
|
r = self.mw.process_response(req, rsp)
|
|
assert r is rsp
|
|
|
|
_test_passthrough(
|
|
Request(url, meta={"handle_httpstatus_list": [404, 301, 302]})
|
|
)
|
|
_test_passthrough(Request(url, meta={"handle_httpstatus_all": True}))
|
|
|
|
def test_latin1_location(self):
|
|
req = Request("http://scrapytest.org/first")
|
|
latin1_location = "/ação".encode("latin1") # HTTP historically supports latin1
|
|
resp = Response(
|
|
"http://scrapytest.org/first",
|
|
headers={"Location": latin1_location},
|
|
status=302,
|
|
)
|
|
req_result = self.mw.process_response(req, resp)
|
|
perc_encoded_utf8_url = "http://scrapytest.org/a%E7%E3o"
|
|
assert perc_encoded_utf8_url == req_result.url
|
|
|
|
def test_utf8_location(self):
|
|
req = Request("http://scrapytest.org/first")
|
|
utf8_location = "/ação".encode() # header using UTF-8 encoding
|
|
resp = Response(
|
|
"http://scrapytest.org/first",
|
|
headers={"Location": utf8_location},
|
|
status=302,
|
|
)
|
|
req_result = self.mw.process_response(req, resp)
|
|
perc_encoded_utf8_url = "http://scrapytest.org/a%C3%A7%C3%A3o"
|
|
assert perc_encoded_utf8_url == req_result.url
|
|
|
|
def test_no_location(self):
|
|
request = Request("https://example.com")
|
|
response = Response(request.url, status=302)
|
|
assert self.mw.process_response(request, response) is response
|
|
|
|
|
|
SCHEME_PARAMS = ("url", "location", "target")
|
|
HTTP_SCHEMES = ("http", "https")
|
|
NON_HTTP_SCHEMES = ("data", "file", "ftp", "s3", "foo")
|
|
REDIRECT_SCHEME_CASES = (
|
|
# http/https → http/https redirects
|
|
*(
|
|
(
|
|
f"{input_scheme}://example.com/a",
|
|
f"{output_scheme}://example.com/b",
|
|
f"{output_scheme}://example.com/b",
|
|
)
|
|
for input_scheme, output_scheme in product(HTTP_SCHEMES, repeat=2)
|
|
),
|
|
# http/https → data/file/ftp/s3/foo does not redirect
|
|
*(
|
|
(
|
|
f"{input_scheme}://example.com/a",
|
|
f"{output_scheme}://example.com/b",
|
|
None,
|
|
)
|
|
for input_scheme in HTTP_SCHEMES
|
|
for output_scheme in NON_HTTP_SCHEMES
|
|
),
|
|
# http/https → relative redirects
|
|
*(
|
|
(
|
|
f"{scheme}://example.com/a",
|
|
location,
|
|
f"{scheme}://example.com/b",
|
|
)
|
|
for scheme in HTTP_SCHEMES
|
|
for location in ("//example.com/b", "/b")
|
|
),
|
|
# Note: We do not test data/file/ftp/s3 schemes for the initial URL
|
|
# because their download handlers cannot return a status code of 3xx.
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize(SCHEME_PARAMS, REDIRECT_SCHEME_CASES)
|
|
def test_redirect_schemes(url, location, target):
|
|
crawler = get_crawler(Spider)
|
|
mw = RedirectMiddleware.from_crawler(crawler)
|
|
request = Request(url)
|
|
response = Response(url, headers={"Location": location}, status=301)
|
|
redirect = mw.process_response(request, response)
|
|
if target is None:
|
|
assert redirect == response
|
|
else:
|
|
assert isinstance(redirect, Request)
|
|
assert redirect.url == target
|
|
|
|
|
|
def meta_refresh_body(url, interval=5):
|
|
html = f"""<html><head><meta http-equiv="refresh" content="{interval};url={url}"/></head></html>"""
|
|
return html.encode("utf-8")
|
|
|
|
|
|
class TestMetaRefreshMiddleware(Base.Test):
|
|
mwcls = MetaRefreshMiddleware
|
|
reason = "meta refresh"
|
|
|
|
def setup_method(self):
|
|
crawler = get_crawler(Spider)
|
|
self.mw = self.mwcls.from_crawler(crawler)
|
|
|
|
def _body(self, interval=5, url="http://example.org/newpage"):
|
|
return meta_refresh_body(url, interval)
|
|
|
|
def get_response(self, request, location):
|
|
return HtmlResponse(request.url, body=self._body(url=location))
|
|
|
|
def test_meta_refresh(self):
|
|
req = Request(url="http://example.org")
|
|
rsp = HtmlResponse(req.url, body=self._body())
|
|
req2 = self.mw.process_response(req, rsp)
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == "http://example.org/newpage"
|
|
|
|
def test_meta_refresh_with_high_interval(self):
|
|
# meta-refresh with high intervals don't trigger redirects
|
|
req = Request(url="http://example.org")
|
|
rsp = HtmlResponse(
|
|
url="http://example.org", body=self._body(interval=1000), encoding="utf-8"
|
|
)
|
|
rsp2 = self.mw.process_response(req, rsp)
|
|
assert rsp is rsp2
|
|
|
|
def test_meta_refresh_trough_posted_request(self):
|
|
req = Request(
|
|
url="http://example.org",
|
|
method="POST",
|
|
body="test",
|
|
headers={"Content-Type": "text/plain", "Content-length": "4"},
|
|
)
|
|
rsp = HtmlResponse(req.url, body=self._body())
|
|
req2 = self.mw.process_response(req, rsp)
|
|
|
|
assert isinstance(req2, Request)
|
|
assert req2.url == "http://example.org/newpage"
|
|
assert req2.method == "GET"
|
|
assert "Content-Type" not in req2.headers, (
|
|
"Content-Type header must not be present in redirected request"
|
|
)
|
|
assert "Content-Length" not in req2.headers, (
|
|
"Content-Length header must not be present in redirected request"
|
|
)
|
|
assert not req2.body, f"Redirected body must be empty, not '{req2.body}'"
|
|
|
|
def test_ignore_tags_default(self):
|
|
req = Request(url="http://example.org")
|
|
body = (
|
|
"""<noscript><meta http-equiv="refresh" """
|
|
"""content="0;URL='http://example.org/newpage'"></noscript>"""
|
|
)
|
|
rsp = HtmlResponse(req.url, body=body.encode())
|
|
response = self.mw.process_response(req, rsp)
|
|
assert isinstance(response, Response)
|
|
|
|
def test_ignore_tags_1_x_list(self):
|
|
"""Test that Scrapy 1.x behavior remains possible"""
|
|
settings = {"METAREFRESH_IGNORE_TAGS": ["script", "noscript"]}
|
|
crawler = get_crawler(Spider, settings)
|
|
mw = MetaRefreshMiddleware.from_crawler(crawler)
|
|
req = Request(url="http://example.org")
|
|
body = (
|
|
"""<noscript><meta http-equiv="refresh" """
|
|
"""content="0;URL='http://example.org/newpage'"></noscript>"""
|
|
)
|
|
rsp = HtmlResponse(req.url, body=body.encode())
|
|
response = mw.process_response(req, rsp)
|
|
assert isinstance(response, Response)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
SCHEME_PARAMS,
|
|
[
|
|
*REDIRECT_SCHEME_CASES,
|
|
# data/file/ftp/s3/foo → * does not redirect
|
|
*(
|
|
(
|
|
f"{input_scheme}://example.com/a",
|
|
f"{output_scheme}://example.com/b",
|
|
None,
|
|
)
|
|
for input_scheme in NON_HTTP_SCHEMES
|
|
for output_scheme in chain(HTTP_SCHEMES, NON_HTTP_SCHEMES)
|
|
),
|
|
# data/file/ftp/s3/foo → relative does not redirect
|
|
*(
|
|
(
|
|
f"{scheme}://example.com/a",
|
|
location,
|
|
None,
|
|
)
|
|
for scheme in NON_HTTP_SCHEMES
|
|
for location in ("//example.com/b", "/b")
|
|
),
|
|
],
|
|
)
|
|
def test_meta_refresh_schemes(url, location, target):
|
|
crawler = get_crawler(Spider)
|
|
mw = MetaRefreshMiddleware.from_crawler(crawler)
|
|
request = Request(url)
|
|
response = HtmlResponse(url, body=meta_refresh_body(location))
|
|
redirect = mw.process_response(request, response)
|
|
if target is None:
|
|
assert redirect == response
|
|
else:
|
|
assert isinstance(redirect, Request)
|
|
assert redirect.url == target
|