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ohmyzsh/plugins/shell-proxy/proxy.py

73 lines
1.9 KiB
Python
Executable file

#!/usr/bin/env python3
import os
import sys
from subprocess import check_output, list2cmdline
cwd = os.path.dirname(__file__)
ssh_agent = os.path.join(cwd, "ssh-agent.py")
user_proxy = os.environ.get("CONFIG_PROXY", os.path.expandvars("$HOME/.config/proxy"))
def get_http_proxy():
default_proxy = os.environ.get("DEFAULT_PROXY")
if default_proxy:
return default_proxy
if os.path.isfile(user_proxy):
return check_output(user_proxy).decode("utf-8").strip()
raise Exception("Not found, Proxy configuration")
def make_proxies(url: str):
proxies = {"%s_PROXY" % _: url for _ in ("HTTP", "HTTPS", "FTP", "RSYNC", "ALL")}
proxies.update({name.lower(): value for (name, value) in proxies.items()})
proxies["GIT_SSH"] = ssh_agent
return proxies
def merge(mapping: dict):
return ("%s=%s" % _ for _ in mapping.items())
class CommandSet:
proxies = make_proxies(get_http_proxy())
aliases = {
_: "env __SSH_PROGRAM_NAME__=%s %s" % (_, ssh_agent)
for _ in ("ssh", "sftp", "scp", "slogin", "ssh-copy-id")
}
def enable(self):
cmdline("export", *merge(self.proxies))
cmdline("alias", *merge(self.aliases))
def disable(self):
cmdline("unset", *self.proxies.keys())
cmdline("unalias", *self.aliases.keys())
def status(self):
proxies = (
"%11s = %s" % (name, os.environ[name])
for name in self.proxies.keys()
if name in os.environ
)
for _ in proxies:
cmdline("echo", _)
def usage(self):
cmdline("echo", "usage: proxy {enable,disable,status}")
self.status()
def cmdline(*items):
print(list2cmdline(items))
def main():
command = CommandSet()
if len(sys.argv) == 1:
command.usage()
sys.exit(-1)
getattr(command, sys.argv[1], command.usage)()
if __name__ == "__main__":
main()