280 lines
11 KiB
Python
280 lines
11 KiB
Python
#--depends-on channel_access
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#--depends-on check_mode
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#--depends-on commands
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#--depends-on shorturl
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import itertools, json, re, urllib.parse
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from src import ModuleManager, utils
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from . import colors, gitea, github, gitlab
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FORM_ENCODED = "application/x-www-form-urlencoded"
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DEFAULT_EVENT_CATEGORIES = [
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"ping", "code", "pr", "issue", "repo"
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]
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PRIVATE_SETTING_NAME = "git-show-private"
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PRIVATE_SETTING = utils.BoolSetting(PRIVATE_SETTING_NAME,
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"Whether or not to show git activity for private repositories")
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@utils.export("channelset", utils.BoolSetting("git-prevent-highlight",
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"Enable/disable preventing highlights"))
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@utils.export("channelset", utils.BoolSetting("git-hide-organisation",
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"Hide/show organisation in repository names"))
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@utils.export("channelset", utils.BoolSetting("git-hide-prefix",
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"Hide/show command-like prefix on git webhook outputs"))
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@utils.export("channelset", utils.BoolSetting("git-shorten-urls",
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"Weather or not git webhook URLs should be shortened"))
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@utils.export("botset", PRIVATE_SETTING)
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@utils.export("channelset", PRIVATE_SETTING)
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class Module(ModuleManager.BaseModule):
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_name = "Webhooks"
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def on_load(self):
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self._github = github.GitHub(self.log)
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self._gitea = gitea.Gitea()
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self._gitlab = gitlab.GitLab()
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@utils.hook("api.post.github")
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def _api_github_webhook(self, event):
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return self._webhook("github", "GitHub", self._github,
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event["data"], event["headers"], event["params"])
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@utils.hook("api.post.gitea")
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def _api_gitea_webhook(self, event):
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return self._webhook("gitea", "Gitea", self._gitea,
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event["data"], event["headers"], event["params"])
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@utils.hook("api.post.gitlab")
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def _api_gitlab_webhook(self, event):
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return self._webhook("gitlab", "GitLab", self._gitlab,
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event["data"], event["headers"], event["params"])
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def _webhook(self, webhook_type, webhook_name, handler, payload_str,
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headers, params):
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payload = payload_str.decode("utf8")
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if headers["Content-Type"] == FORM_ENCODED:
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payload = urllib.parse.unquote(urllib.parse.parse_qs(payload)[
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"payload"][0])
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data = json.loads(payload)
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is_private = handler.is_private(data, headers)
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if is_private and not self.bot.get_setting(PRIVATE_SETTING_NAME, True):
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return {"state": "success", "deliveries": 0}
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full_name, repo_username, repo_name, organisation = handler.names(
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data, headers)
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full_name_lower = (full_name or "").lower()
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repo_username_lower = (repo_username or "").lower()
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repo_name_lower = (repo_name or "").lower()
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organisation_lower = (organisation or "").lower()
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branch = handler.branch(data, headers)
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current_events = handler.event(data, headers)
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unfiltered_targets = []
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if "channels" in params:
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channels = params["channels"].split(",")
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for channel in params["channels"].split(","):
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server, _, channel_name = channel.partition(":")
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if server and channel_name:
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server = self.bot.get_server_by_alias(server)
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if server and channel_name in server.channels:
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channel = server.channels.get(channel_name)
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hooks = channel.get_setting("git-webhooks", {})
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if hooks:
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found_hook = self._find_hook(
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full_name_lower, repo_username_lower,
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organisation_lower, hooks)
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if found_hook:
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unfiltered_targets.append([
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server, channel, found_hook])
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else:
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unfiltered_targets = self._find_targets(full_name_lower,
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repo_username_lower, organisation_lower)
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repo_hooked = bool(unfiltered_targets)
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targets = []
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for server, channel, hook in unfiltered_targets:
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if is_private and not channel.get_setting(
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PRIVATE_SETTING_NAME, False):
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continue
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if (branch and
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hook["branches"] and
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not branch in hook["branches"]):
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continue
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hooked_events = []
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for hooked_event in hook["events"]:
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hooked_events.append(handler.event_categories(hooked_event))
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hooked_events = set(itertools.chain(*hooked_events))
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if bool(set(current_events)&set(hooked_events)):
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targets.append([server, channel])
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if not targets:
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if not repo_hooked:
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return None
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else:
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return {"state": "success", "deliveries": 0}
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outputs = handler.webhook(full_name, current_events[0], data, headers)
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if outputs:
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for server, channel in targets:
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source = full_name or organisation
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hide_org = channel.get_setting("git-hide-organisation", False)
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if repo_name and hide_org:
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source = repo_name
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for output, url in outputs:
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output = "(%s) %s" % (
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utils.irc.color(source, colors.COLOR_REPO), output)
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if url:
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if channel.get_setting("git-shorten-urls", False):
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url = self.exports.get("shorturl")(server, url,
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context=channel) or url
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output = "%s - %s" % (output, url)
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if channel.get_setting("git-prevent-highlight", False):
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output = self._prevent_highlight(server, channel,
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output)
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hide_prefix = channel.get_setting("git-hide-prefix", False)
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self.events.on("send.stdout").call(target=channel,
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module_name=webhook_name, server=server, message=output,
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hide_prefix=hide_prefix)
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return {"state": "success", "deliveries": len(targets)}
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def _prevent_highlight(self, server, channel, s):
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for user in channel.users:
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if len(user.nickname) == 1:
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# if we don't ignore 1-letter nicknames, the below while loop
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# will fire indefininitely.
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continue
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regex = re.compile(r"([0-9]|\W)(%s)(%s)" % (
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re.escape(user.nickname[0]), re.escape(user.nickname[1:])),
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re.I)
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s = regex.sub("\\1\\2\u200c\\3", s)
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return s
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def _find_targets(self, full_name_lower, repo_username_lower,
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organisation_lower):
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hooks = self.bot.database.channel_settings.find_by_setting(
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"git-webhooks")
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targets = []
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for server_id, channel_name, hooked_repos in hooks:
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found_hook = self._find_hook(full_name_lower, repo_username_lower,
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organisation_lower, hooked_repos)
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server = self.bot.get_server_by_id(server_id)
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if found_hook and server and channel_name in server.channels:
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channel = server.channels.get(channel_name)
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targets.append([server, channel, found_hook])
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return targets
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def _find_hook(self, full_name_lower, repo_username_lower,
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organisation_lower, hooks):
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hooked_repos_lower = {k.lower(): v for k, v in hooks.items()}
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if full_name_lower and full_name_lower in hooked_repos_lower:
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return hooked_repos_lower[full_name_lower]
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elif (repo_username_lower and
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repo_username_lower in hooked_repos_lower):
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return hooked_repos_lower[repo_username_lower]
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elif (organisation_lower and
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organisation_lower in hooked_repos_lower):
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return hooked_repos_lower[organisation_lower]
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@utils.hook("received.command.webhook", min_args=1, channel_only=True)
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def github_webhook(self, event):
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"""
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:help: Add/remove/modify a git webhook
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:require_mode: high
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:require_access: admin,git-webhook
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:permission: gitoverride
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:usage: list
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:usage: add <hook>
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:usage: remove <hook>
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:usage: events <hook> [category [category ...]]
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:usage: branches <hook> [branch [branch ...]]
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"""
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all_hooks = event["target"].get_setting("git-webhooks", {})
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hook_name = None
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existing_hook = None
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if len(event["args_split"]) > 1:
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hook_name = event["args_split"][1]
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for existing_hook_name in all_hooks.keys():
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if existing_hook_name.lower() == hook_name.lower():
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existing_hook = existing_hook_name
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break
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success_message = None
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subcommand = event["args_split"][0].lower()
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if subcommand == "list":
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event["stdout"].write("Registered webhooks: %s" %
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", ".join(all_hooks.keys()))
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elif subcommand == "add":
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if existing_hook:
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raise utils.EventError("There's already a hook for %s" %
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hook_name)
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if hook_name == None:
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command = "%s%s" % (event["command_prefix"], event["command"])
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raise utils.EventError("Not enough arguments (Usage: %s add <hook>)" % command)
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all_hooks[hook_name] = {
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"events": DEFAULT_EVENT_CATEGORIES.copy(),
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"branches": [],
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}
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success_message = "Added hook for %s" % hook_name
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elif subcommand == "remove":
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if not existing_hook:
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raise utils.EventError("No hook found for %s" % hook_name)
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del all_hooks[existing_hook]
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success_message = "Removed hook for %s" % hook_name
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elif subcommand == "events":
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if not existing_hook:
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raise utils.EventError("No hook found for %s" % hook_name)
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if len(event["args_split"]) < 3:
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event["stdout"].write("Events for hook %s: %s" %
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(hook_name, " ".join(all_hooks[existing_hook]["events"])))
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else:
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new_events = [e.lower() for e in event["args_split"][2:]]
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all_hooks[existing_hook]["events"] = new_events
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success_message = "Updated events for hook %s" % hook_name
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elif subcommand == "branches":
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if not existing_hook:
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raise utils.EventError("No hook found for %s" % hook_name)
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if len(event["args_split"]) < 3:
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branches = ",".join(all_hooks[existing_hook]["branches"])
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event["stdout"].write("Branches shown for hook %s: %s" %
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(hook_name, branches))
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else:
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all_hooks[existing_hook]["branches"] = event["args_split"][2:]
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success_message = "Updated branches for hook %s" % hook_name
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else:
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event["stderr"].write("Unknown command '%s'" %
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event["args_split"][0])
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if not success_message == None:
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if all_hooks:
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event["target"].set_setting("git-webhooks", all_hooks)
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else:
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event["target"].del_setting("git-webhooks")
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event["stdout"].write(success_message)
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