59 lines
1.8 KiB
Python
Executable File
59 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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A very basic gemini client to use for testing server configurations.
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"""
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import argparse
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import socket
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import ssl
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import sys
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import urllib.parse
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context = ssl.create_default_context()
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context.check_hostname = False
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context.verify_mode = ssl.CERT_NONE
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def fetch(url, host=None, port=None, use_sni=False):
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parsed_url = urllib.parse.urlparse(url)
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if not parsed_url.scheme:
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parsed_url = urllib.parse.urlparse(f"gemini://{url}")
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host = host or parsed_url.hostname
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port = port or parsed_url.port or 1965
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sni = host if use_sni else None
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with socket.create_connection((host, port)) as sock:
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with context.wrap_socket(sock, server_hostname=sni) as ssock:
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ssock.sendall((url + "\r\n").encode())
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fp = ssock.makefile("rb", buffering=0)
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data = fp.read(1024)
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while data:
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sys.stdout.buffer.write(data)
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data = fp.read(1024)
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def run_client():
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parser = argparse.ArgumentParser(description="A simple gemini client")
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parser.add_argument("url")
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parser.add_argument("--host", help="Server host")
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parser.add_argument("--port", help="Server port")
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parser.add_argument("--tls-certfile", help="Client certificate")
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parser.add_argument("--tls-keyfile", help="Client private key")
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parser.add_argument("--tls-alpn-protocol", help="Protocol for ALPN negotiation")
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parser.add_argument(
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"--tls-enable-sni", action="store_true", help="Specify the hostname using SNI"
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)
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args = parser.parse_args()
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if args.tls_certfile:
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context.load_cert_chain(args.tls_certfile, args.tls_keyfile)
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if args.tls_alpn_protocol:
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context.set_alpn_protocols([args.tls_alpn_protocol])
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fetch(args.url, args.host, args.port, args.tls_enable_sni)
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if __name__ == "__main__":
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run_client()
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