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from mitmproxy.net.http import Headers
from mitmproxy.net.http import multipart
import pytest
def test_decode():
boundary = 'somefancyboundary'
headers = Headers(
content_type='multipart/form-data; boundary=' + boundary
)
content = (
"--{0}\n"
"Content-Disposition: form-data; name=\"field1\"\n\n"
"value1\n"
"--{0}\n"
"Content-Disposition: form-data; name=\"field2\"\n\n"
"value2\n"
"--{0}--".format(boundary).encode()
)
form = multipart.decode(headers, content)
assert len(form) == 2
assert form[0] == (b"field1", b"value1")
assert form[1] == (b"field2", b"value2")
boundary = 'boundary茅莽'
headers = Headers(
content_type='multipart/form-data; boundary=' + boundary
)
result = multipart.decode(headers, content)
assert result == []
headers = Headers(
content_type=''
)
assert multipart.decode(headers, content) == []
def test_encode():
data = [("file".encode('utf-8'), "shell.jpg".encode('utf-8')),
("file_size".encode('utf-8'), "1000".encode('utf-8'))]
headers = Headers(
content_type='multipart/form-data; boundary=127824672498'
)
content = multipart.encode(headers, data)
assert b'Content-Disposition: form-data; name="file"' in content
assert b'Content-Type: text/plain; charset=utf-8\r\n\r\nshell.jpg\r\n\r\n--127824672498\r\n' in content
assert b'1000\r\n\r\n--127824672498--\r\n'
assert len(content) == 252
with pytest.raises(ValueError, match=r"boundary found in encoded string"):
multipart.encode(headers, [("key".encode('utf-8'), "--127824672498".encode('utf-8'))])
boundary = 'boundary茅莽'
headers = Headers(
content_type='multipart/form-data; boundary=' + boundary
)
result = multipart.encode(headers, data)
assert result == b''
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