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feat(shell-proxy): allow excluding endpoints with NO_PROXY (#11924)

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Abhinav 2023-10-03 00:28:42 +05:30 committed by GitHub
parent 7400d469b6
commit f36c6db0ea
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3 changed files with 24 additions and 6 deletions
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5
plugins/shell-proxy/README.md
View file

@ -23,6 +23,7 @@ Set `SHELLPROXY_URL` environment variable to the URL of the proxy server:
```sh
SHELLPROXY_URL="http://127.0.0.1:8123"
SHELLPROXY_NO_PROXY="localhost,127.0.0.1"
proxy enable
```
@ -36,11 +37,15 @@ Example:
```sh
#!/bin/bash
# HTTP Proxy
if [[ "$(uname)" = Darwin ]]; then
echo "http://127.0.0.1:6152" # Surge Mac
else
echo "http://127.0.0.1:8123" # polipo
fi
# No Proxy
echo "localhost,127.0.0.1"
```
### Method 3

23
plugins/shell-proxy/proxy.py
View file

@ -6,6 +6,7 @@ from subprocess import check_output, list2cmdline
cwd = os.path.dirname(__file__)
ssh_agent = os.path.join(cwd, "ssh-agent.py")
proxy_env = "SHELLPROXY_URL"
no_proxy_env = "SHELLPROXY_NO_PROXY"
proxy_config = os.environ.get("SHELLPROXY_CONFIG") or os.path.expandvars("$HOME/.config/proxy")
usage="""shell-proxy: no proxy configuration found.
@ -15,18 +16,30 @@ See the plugin README for more information.""".format(env=proxy_env, config=prox
def get_http_proxy():
default_proxy = os.environ.get(proxy_env)
if default_proxy:
return default_proxy
no_proxy = os.environ.get(no_proxy_env)
if default_proxy and no_proxy:
return default_proxy, no_proxy
if os.path.isfile(proxy_config):
return check_output(proxy_config).decode("utf-8").strip()
proxy_configdata = [line.strip() for line in check_output(proxy_config).decode("utf-8").splitlines()]
if len(proxy_configdata) >= 1:
if not default_proxy:
default_proxy = proxy_configdata[0]
if len(proxy_configdata) == 2 and not no_proxy:
no_proxy = proxy_configdata[1]
if default_proxy:
return default_proxy, no_proxy
print(usage, file=sys.stderr)
sys.exit(1)
def make_proxies(url: str):
def make_proxies(url: str, no_proxy: 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
if no_proxy:
proxies.update({"NO_PROXY": no_proxy, "no_proxy": no_proxy})
return proxies
@ -35,7 +48,7 @@ def merge(mapping: dict):
class CommandSet:
proxies = make_proxies(get_http_proxy())
proxies = make_proxies(*get_http_proxy())
aliases = {
_: "env __SSH_PROGRAM_NAME__=%s %s" % (_, ssh_agent)
for _ in ("ssh", "sftp", "scp", "slogin", "ssh-copy-id")

2
plugins/shell-proxy/shell-proxy.plugin.zsh
View file

@ -27,7 +27,7 @@ eval '
# capture the output of the proxy script and bail out if it fails
local output
output="$(SHELLPROXY_URL="$SHELLPROXY_URL" SHELLPROXY_CONFIG="$SHELLPROXY_CONFIG" "$proxy" "$1")" ||
output="$(SHELLPROXY_URL="$SHELLPROXY_URL" SHELLPROXY_NO_PROXY="$SHELLPROXY_NO_PROXY" SHELLPROXY_CONFIG="$SHELLPROXY_CONFIG" "$proxy" "$1")" ||
return $?
# evaluate the output generated by the proxy script