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#!/usr/bin/python3
# gentoo-infra: infra/githooks.git:local/gentoo_push_notification.py
import hmac
import sys
import urllib.request
import urllib.error
import urllib.parse
import json
import time
# rough json format;
# dict(project=name,
# repo_url=RO-checkout-url,
# timestamp=epoch (integer)
# updates_count=2,
# updates=[
# dict(old="rev1", new="rev2", branch=name]),
# dict(old="rev3", new="rev4")
# ]
# )
# finally, the string content of that is stuck into a
# header named; Gentoo-Hook-HMAC;
# this is done to allow simple validation that someone
# isn't being a bastard.
HMAC_HEADER = "Gentoo-Hook-HMAC"
def convert_stdin():
d = {}
updates = d["updates"] = []
for line in sys.stdin:
old_ref, new_ref, name = line.split(None, 2)
if not name.startswith("refs/heads/"):
continue
name = name.split("/", 2)[2].rstrip()
updates.append(dict(old=old_ref, new=new_ref, branch=name))
i = d["updates_count"] = len(d["updates"])
if not i:
# the hell?
return {}
d["timestamp"] = int(time.time())
return d
def main(submit_url, hmac_key, project_name, checkout_url, timeout=None):
data = convert_stdin()
if not data:
return 0
data["repository_url"] = checkout_url
data["project"] = project_name
data_s = json.dumps(data)
chksum = hmac.new(hmac_key, msg=data_s).hexdigest()
request = urllib.request.Request(submit_url, data_s, {HMAC_HEADER:chksum})
try:
if timeout is not None:
result = urllib.request.urlopen(request, timeout=float(timeout))
else:
result = urllib.request.urlopen(request)
except Exception as e:
print("exception occured: %s" % (e,))
return 2
code = result.getcode()
if code != 200:
print(code)
return 1
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1],
sys.argv[2],
sys.argv[3],
sys.argv[4],
timeout=sys.argv[5]))
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