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e96b8bd523
BREAKING CHANGE: the `DEFAULT_PROXY` setting has been renamed to `SHELLPROXY_URL`, and `CONFIG_PROXY` has been renamed to `SHELLPROXY_CONFIG`. See the plugin README for more information. Co-authored-by: Marc Cornellà <hello@mcornella.com>
78 lines
2.1 KiB
Python
Executable file
78 lines
2.1 KiB
Python
Executable file
#!/usr/bin/env python3
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import os
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import sys
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from subprocess import check_output, list2cmdline
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cwd = os.path.dirname(__file__)
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ssh_agent = os.path.join(cwd, "ssh-agent.py")
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proxy_env = "SHELLPROXY_URL"
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proxy_config = os.environ.get("SHELLPROXY_CONFIG") or os.path.expandvars("$HOME/.config/proxy")
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usage="""shell-proxy: no proxy configuration found.
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Set `{env}` or create a config file at `{config}`
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See the plugin README for more information.""".format(env=proxy_env, config=proxy_config)
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def get_http_proxy():
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default_proxy = os.environ.get(proxy_env)
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if default_proxy:
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return default_proxy
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if os.path.isfile(proxy_config):
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return check_output(proxy_config).decode("utf-8").strip()
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print(usage, file=sys.stderr)
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sys.exit(1)
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def make_proxies(url: str):
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proxies = {"%s_PROXY" % _: url for _ in ("HTTP", "HTTPS", "FTP", "RSYNC", "ALL")}
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proxies.update({name.lower(): value for (name, value) in proxies.items()})
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proxies["GIT_SSH"] = ssh_agent
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return proxies
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def merge(mapping: dict):
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return ("%s=%s" % _ for _ in mapping.items())
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class CommandSet:
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proxies = make_proxies(get_http_proxy())
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aliases = {
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_: "env __SSH_PROGRAM_NAME__=%s %s" % (_, ssh_agent)
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for _ in ("ssh", "sftp", "scp", "slogin", "ssh-copy-id")
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}
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def enable(self):
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cmdline("export", *merge(self.proxies))
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cmdline("alias", *merge(self.aliases))
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def disable(self):
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cmdline("unset", *self.proxies.keys())
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cmdline("unalias", *self.aliases.keys())
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def status(self):
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proxies = (
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"%11s = %s" % (name, os.environ[name])
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for name in self.proxies.keys()
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if name in os.environ
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)
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for _ in proxies:
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cmdline("echo", _)
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def usage(self):
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print("usage: proxy {enable,disable,status}", file=sys.stderr)
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def cmdline(*items):
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print(list2cmdline(items))
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def main():
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command = CommandSet()
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if len(sys.argv) == 1:
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command.usage()
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sys.exit(1)
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getattr(command, sys.argv[1], command.usage)()
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if __name__ == "__main__":
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main()
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