117 lines
3.1 KiB
Python
117 lines
3.1 KiB
Python
import socket, ssl, errno, sys, time, select
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def test_one(site, opts):
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ai = socket.getaddrinfo(site, 443, socket.AF_INET)
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addr = ai[0][-1]
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print(site)
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# Connect the raw socket
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s = socket.socket(socket.AF_INET)
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s.setblocking(False)
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try:
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s.connect(addr)
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raise OSError(-1, "connect blocks")
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except OSError as e:
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if e.errno != errno.EINPROGRESS:
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raise
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# Create SSLContext.
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ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
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# CPython compatibility:
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# - disable check_hostname
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# - load default system certificate chain
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# - must wait for socket to be writable before calling wrap_socket
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if sys.implementation.name != "micropython":
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ssl_context.check_hostname = False
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ssl_context.load_default_certs()
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select.select([], [s], [])
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try:
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# Wrap with SSL
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try:
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s = ssl_context.wrap_socket(s, do_handshake_on_connect=False)
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except OSError as e:
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if e.errno != errno.EINPROGRESS:
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raise
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print("wrapped")
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# CPython needs to be told to do the handshake
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if sys.implementation.name != "micropython":
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while True:
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try:
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s.do_handshake()
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break
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except ssl.SSLError as err:
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if err.args[0] == ssl.SSL_ERROR_WANT_READ:
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select.select([s], [], [])
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elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
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select.select([], [s], [])
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else:
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raise
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time.sleep(0.1)
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# print("shook hands")
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# Write HTTP request
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out = b"GET / HTTP/1.0\r\nHost: %s\r\n\r\n" % bytes(site, "latin")
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while len(out) > 0:
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n = s.write(out)
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if n is None:
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continue
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if n > 0:
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out = out[n:]
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elif n == 0:
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raise OSError(-1, "unexpected EOF in write")
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print("wrote")
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# Read response
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resp = b""
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while True:
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try:
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b = s.read(128)
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except OSError as err:
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if err.errno == 2: # 2=ssl.SSL_ERROR_WANT_READ:
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continue
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raise
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if b is None:
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continue
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if len(b) > 0:
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if len(resp) < 1024:
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resp += b
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elif len(b) == 0:
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break
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print("read")
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if resp[:7] != b"HTTP/1.":
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raise ValueError("response doesn't start with HTTP/1.")
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# print(resp)
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finally:
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s.close()
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SITES = [
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"www.github.com",
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"micropython.org",
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"pypi.org",
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{"host": "api.pushbullet.com", "sni": True},
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]
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def main():
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for site in SITES:
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opts = {}
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if isinstance(site, dict):
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opts = site
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site = opts["host"]
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try:
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test_one(site, opts)
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print(site, "ok")
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except Exception as e:
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print(site, "error", e)
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print("DONE")
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main()
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