online rss & atom feed reader for gemini
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

72 lines
2.1 KiB

#!/usr/bin/env python3
import cgi
import os
import socket
import ssl
import sys
import urllib.parse
def absolutise_url(base, relative):
# Absolutise relative links
if "://" not in relative:
# Python's URL tools somehow only work with known schemes?
base = base.replace("gemini://","http://")
relative = urllib.parse.urljoin(base, relative)
relative = relative.replace("http://", "gemini://")
return relative
if len(sys.argv) != 2:
print("Usage:")
print("gcat gemini://gemini.circumlunar.space")
sys.exit(1)
url = sys.argv[1]
parsed_url = urllib.parse.urlparse(url)
if parsed_url.scheme == "":
url = "gemini://"+url
parsed_url = urllib.parse.urlparse(url)
if parsed_url.scheme != "gemini":
print("Sorry, Gemini links only.")
sys.exit(1)
if parsed_url.port is not None:
useport = parsed_url.port
else:
useport = 1965
# Do the Gemini transaction
while True:
s = socket.create_connection((parsed_url.hostname, useport))
context = ssl.SSLContext()
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
s = context.wrap_socket(s, server_hostname = parsed_url.netloc)
s.sendall((url + '\r\n').encode("UTF-8"))
# Get header and check for redirects
fp = s.makefile("rb")
header = fp.readline()
print(header.decode("UTF-8"), end="")
header = header.decode("UTF-8").strip()
status, mime = header.split()[:2]
# Handle input requests
if status.startswith("1"):
# Prompt
query = input("INPUT" + mime + "> ")
url += "?" + urllib.parse.quote(query) # Bit lazy...
# Follow redirects
elif status.startswith("3"):
url = absolutise_url(url, mime)
parsed_url = urllib.parse.urlparse(url)
# Otherwise, we're done.
else:
break
# Fail if transaction was not successful
if status.startswith("2"):
if mime.startswith("text/"):
# Decode according to declared charset
mime, mime_opts = cgi.parse_header(mime)
body = fp.read()
body = body.decode(mime_opts.get("charset","UTF-8"))
print(body, end="")
else:
print(fp.read(), end="")