import itertools, json, urllib.parse from src import ModuleManager, utils FORM_ENCODED = "application/x-www-form-urlencoded" COMMIT_URL = "https://github.com/%s/commit/%s" COMMIT_RANGE_URL = "https://github.com/%s/compare/%s...%s" CREATE_URL = "https://github.com/%s/tree/%s" API_ISSUE_URL = "https://api.github.com/repos/%s/%s/issues/%s" API_PULL_URL = "https://api.github.com/repos/%s/%s/pulls/%s" DEFAULT_EVENT_CATEGORIES = [ "ping", "code", "pr", "issue", "repo" ] EVENT_CATEGORIES = { "ping": [ "ping" # new webhook received ], "code": [ "push", "commit_comment" ], "pr-minimal": [ "pull_request/opened", "pull_request/closed", "pull_request/reopened" ], "pr": [ "pull_request/opened", "pull_request/closed", "pull_request/reopened", "pull_request/edited", "pull_request/assigned", "pull_request/unassigned", "pull_request_review", "pull_request_review_comment" ], "pr-all": [ "pull_request", "pull_request_review", "pull_request_review_comment" ], "issue-minimal": [ "issues/opened", "issues/closed", "issues/reopened", "issues/deleted" ], "issue": [ "issues/opened", "issues/closed", "issues/reopened", "issues/deleted", "issues/edited", "issues/assigned", "issues/unassigned", "issue_comment" ], "issue-all": [ "issues", "issue_comment" ], "repo": [ "create", # a repository, branch or tage has been created "delete", # same as above but deleted "release", "fork" ], "team": [ "membership" ], "star": [ # "watch" is a misleading name for this event so this add "star" as an # alias for "watch" "watch" ] } COMMENT_ACTIONS = { "created": "commented", "edited": "edited a comment", "deleted": "deleted a comment" } @utils.export("channelset", {"setting": "github-hide-prefix", "help": "Hide/show command-like prefix on Github hook outputs", "validate": utils.bool_or_none}) @utils.export("channelset", {"setting": "github-default-repo", "help": "Set the default github repo for the current channel"}) @utils.export("channelset", {"setting": "github-prevent-highlight", "help": "Enable/disable preventing highlights", "validate": utils.bool_or_none}) class Module(ModuleManager.BaseModule): def _parse_ref(self, channel, ref): repo, _, number = ref.rpartition("#") if not repo: repo = channel.get_setting("github-default-repo", None) username, repository = None, None if repo: username, _, repository = repo.partition("/") if not username or not repository or not number: raise utils.EventError("Please provide username/repo#number") if not number.isdigit(): raise utils.EventError("Issue number must be a number") return username, repository, number def _gh_issue(self, event, page, username, repository, number): labels = [label["name"] for label in page.data["labels"]] url = self._short_url(page.data["html_url"]) event["stdout"].write("(%s/%s issue#%s, %s) %s [%s] %s" % ( username, repository, number, page.data["state"], page.data["title"], ", ".join(labels), url)) def _gh_get_issue(self, username, repository, number): return utils.http.request( API_ISSUE_URL % (username, repository, number), json=True) @utils.hook("received.command.ghissue", min_args=1) def github_issue(self, event): username, repository, number = self._parse_ref( event["target"], event["args_split"][0]) page = self._gh_get_issue(username, repository, number) if page and page.code == 200: self._gh_issue(event, page, username, repository, number) else: event["stderr"].write("Could not find issue") def _gh_pull(self, event, page, username, repository, number): repo_from = page.data["head"]["label"] repo_to = page.data["base"]["label"] added = self._added(page.data["additions"]) removed = self._removed(page.data["deletions"]) url = self._short_url(page.data["html_url"]) event["stdout"].write( "(%s/%s pull#%s, %s) [%s/%s] %s→%s - %s %s" % ( username, repository, number, page.data["state"], added, removed, repo_from, repo_to, page.data["title"], url)) def _gh_get_pull(self, username, repository, number): return utils.http.request( API_PULL_URL % (username, repository, number), json=True) @utils.hook("received.command.ghpull", min_args=1) def github_pull(self, event): username, repository, number = self._parse_ref( event["target"], event["args_split"][0]) page = self._gh_get_pull(username, repository, number) if page and page.code == 200: self._gh_pull(event, page, username, repository, number) else: event["stderr"].write("Could not find pull request") @utils.hook("received.command.gh", alias_of="github") @utils.hook("received.command.github", min_args=1) def github(self, event): username, repository, number = self._parse_ref( event["target"], event["args_split"][0]) page = self._gh_get_issue(username, repository, number) if page and page.code == 200: if "pull_request" in page.data: pull = self._gh_get_pull(username, repository, number) self._gh_pull(event, pull, username, repository, number) else: self._gh_issue(event, page, username, repository, number) else: event["stderr"].write("Issue/PR not found") @utils.hook("received.command.ghwebhook", min_args=2, channel_only=True) def github_webhook(self, event): """ :help: Add/remove/modify a github webhook :require_mode: high :permission: githuboverride :usage: list :usage: add :usage: remove :usage: events [category [category ...]] :usage: branches [branch [branch ...]] """ all_hooks = event["target"].get_setting("github-hooks", {}) hook = event["args_split"][1] existing_hook = None for existing_hook_name in all_hooks.keys(): if existing_hook_name.lower() == hook.lower(): existing_hook = existing_hook_name break subcommand = event["args_split"][0].lower() if subcommand == "list": event["stdout"].write("Registered web hooks: %s" % ", ".join(all_hooks.keys())) elif subcommand == "add": if existing_hook: event["stderr"].write("There's already a hook for %s" % hook) return all_hooks[hook] = { "events": DEFAULT_EVENT_CATEGORIES.copy(), "branches": [] } event["target"].set_setting("github-hooks", all_hooks) event["stdout"].write("Added hook for %s" % hook) elif subcommand == "remove": if not existing_hook: event["stderr"].write("No hook found for %s" % hook) return del all_hooks[existing_hook] if all_hooks: event["target"].set_setting("github-hooks", all_hooks) else: event["target"].del_setting("github-hooks") event["stdout"].write("Removed hook for %s" % hook) elif subcommand == "events": if not existing_hook: event["stderr"].write("No hook found for %s" % hook) return if len(event["args_split"]) < 3: event["stdout"].write("Events for hook %s: %s" % (hook, " ".join(all_hooks[existing_hook]["events"]))) else: new_events = [e.lower() for e in event["args_split"][2:]] all_hooks[existing_hook]["events"] = new_events event["target"].set_setting("github-hooks", all_hooks) event["stdout"].write("Updated events for hook %s" % hook) elif subcommand == "branches": if not existing_hook: event["stderr"].write("No hook found for %s" % hook) return if len(event["args_split"]) < 3: event["stdout"].write("Branches shown for hook %s: %s" % (hook, ", ".join(all_hooks[existing_hook]["branches"]))) else: all_hooks[existing_hook]["branches"] = event["args_split"][2:] event["target"].set_setting("github-hooks", all_hooks) event["stdout"].write("Updated shown branches for hook %s" % hook) else: event["stderr"].write("Unknown command '%s'" % event["args_split"][0]) @utils.hook("api.post.github") def webhook(self, event): payload = event["data"].decode("utf8") if event["headers"]["Content-Type"] == FORM_ENCODED: payload = urllib.parse.unquote(urllib.parse.parse_qs(payload)[ "payload"][0]) data = json.loads(payload) github_event = event["headers"]["X-GitHub-Event"] full_name = None repo_username = None repo_name = None if "repository" in data: full_name = data["repository"]["full_name"] repo_username, repo_name = full_name.split("/", 1) organisation = None if "organization" in data: organisation = data["organization"]["login"] event_action = None if "action" in data: event_action = "%s/%s" % (github_event, data["action"]) branch = None if "ref" in data: _, _, branch = data["ref"].rpartition("/") hooks = self.bot.database.channel_settings.find_by_setting( "github-hooks") targets = [] repo_hooked = False for server_id, channel_name, hooked_repos) in hooks: found_hook = None if full_name and full_name in hooked_repos: found_hook = hooked_repos[full_name] elif repo_username and repo_username in hooked_repos: found_hook = hooked_repos[repo_username] elif organisation and organisation in hooked_repos: found_hook = hooked_repos[organisation] if found_hook: repo_hooked = True server = self.bot.get_server(server_id) if server and channel_name in server.channels: if (branch and found_hook["branches"] and not branch in found_hook["branches"]): continue github_events = [] for event in found_hook["events"]: github_events.append(EVENT_CATEGORIES.get( event, [event])) github_events = list(itertools.chain(*github_events)) channel = server.channels.get(channel_name) if (github_event in github_events or (event_action and event_action in github_events)): targets.append([server, channel]) if not targets: return "" if repo_hooked else None outputs = None if github_event == "push": outputs = self.push(full_name, data) elif github_event == "commit_comment": outputs = self.commit_comment(full_name, data) elif github_event == "pull_request": outputs = self.pull_request(full_name, data) elif github_event == "pull_request_review": outputs = self.pull_request_review(full_name, data) elif github_event == "pull_request_review_comment": outputs = self.pull_request_review_comment(full_name, data) elif github_event == "issue_comment": outputs = self.issue_comment(full_name, data) elif github_event == "issues": outputs = self.issues(full_name, data) elif github_event == "create": outputs = self.create(full_name, data) elif github_event == "delete": outputs = self.delete(full_name, data) elif github_event == "release": outputs = self.release(full_name, data) elif github_event == "status": outputs = self.status(full_name, data) elif github_event == "fork": outputs = self.fork(full_name, data) elif github_event == "ping": outputs = self.ping(data) elif github_event == "membership": outputs = self.membership(organisation, data) elif github_event == "watch": outputs = self.watch(data) if outputs: for server, channel in targets: for output in outputs: source = full_name or organisation output = "(%s) %s" % (source, output) if channel.get_setting("github-prevent-highlight", False): output = self._prevent_highlight(channel, output) self.events.on("send.stdout").call(target=channel, module_name="Github", server=server, message=output, hide_prefix=channel.get_setting( "github-hide-prefix", False)) return "" def _prevent_highlight(self, channel, s): for user in channel.users: while user.nickname.lower() in s.lower(): index = s.lower().index(user.nickname.lower()) length = len(user.nickname.lower()) original = s[index:index+length] original = utils.prevent_highlight(original) s = s[:index] + original + s[index+length:] return s def _short_url(self, url): try: page = utils.http.request("https://git.io", method="POST", post_data={"url": url}) return page.headers["Location"] except utils.http.HTTPTimeoutException: self.log.warn( "HTTPTimeoutException while waiting for github short URL") return url def ping(self, data): return ["Received new webhook"] def _change_count(self, n, symbol, color): return utils.irc.color("%s%d" % (symbol, n), color)+utils.irc.bold("") def _added(self, n): return self._change_count(n, "+", utils.consts.GREEN) def _removed(self, n): return self._change_count(n, "-", utils.consts.RED) def _modified(self, n): return self._change_count(n, "~", utils.consts.PURPLE) def _short_hash(self, hash): return hash[:8] def _flat_unique(self, commits, key): return set(itertools.chain(*(commit[key] for commit in commits))) def push(self, full_name, data): outputs = [] branch = data["ref"].split("/", 2)[2] branch = utils.irc.color(branch, utils.consts.LIGHTBLUE) if len(data["commits"]) <= 3: for commit in data["commits"]: id = self._short_hash(commit["id"]) message = commit["message"].split("\n")[0].strip() author = utils.irc.bold(data["pusher"]["name"]) url = self._short_url(COMMIT_URL % (full_name, id)) added = self._added(len(commit["added"])) removed = self._removed(len(commit["removed"])) modified = self._modified(len(commit["modified"])) outputs.append("[%s/%s/%s files] commit by %s to %s: %s - %s" % (added, removed, modified, author, branch, message, url)) else: first_id = self._short_hash(data["before"]) last_id = self._short_hash(data["commits"][-1]["id"]) pusher = utils.irc.bold(data["pusher"]["name"]) url = self._short_url( COMMIT_RANGE_URL % (full_name, first_id, last_id)) commits = data["commits"] added = self._added(len(self._flat_unique(commits, "added"))) removed = self._removed(len(self._flat_unique(commits, "removed"))) modified = self._modified(len(self._flat_unique(commits, "modified"))) outputs.append("[%s/%s/%s files] %s pushed %d commits to %s - %s" % (added, removed, modified, pusher, len(data["commits"]), branch, url)) return outputs def commit_comment(self, full_name, data): action = data["action"] commit = data["commit_id"][:8] commenter = utils.irc.bold(data["comment"]["user"]["login"]) url = self._short_url(data["comment"]["html_url"]) return ["[commit/%s] %s commented" % (commit, commenter, action)] def pull_request(self, full_name, data): number = data["pull_request"]["number"] action = data["action"] action_desc = action branch = data["pull_request"]["base"]["ref"] colored_branch = utils.irc.color(branch, utils.consts.LIGHTBLUE) if action == "opened": action_desc = "requested merge into %s" % colored_branch elif action == "closed": if data["pull_request"]["merged"]: action_desc = "%s into %s" % ( utils.irc.color("merged", utils.consts.GREEN), colored_branch) else: action_desc = utils.irc.color("closed without merging", utils.consts.RED) elif action == "synchronize": action_desc = "committed to" pr_title = data["pull_request"]["title"] author = utils.irc.bold(data["sender"]["login"]) url = self._short_url(data["pull_request"]["html_url"]) return ["[pr #%d] %s %s: %s - %s" % ( number, author, action_desc, pr_title, url)] def pull_request_review(self, full_name, data): if data["review"]["state"] == "commented": return [] number = data["pull_request"]["number"] action = data["action"] pr_title = data["pull_request"]["title"] reviewer = utils.irc.bold(data["sender"]["login"]) url = self._short_url(data["review"]["html_url"]) return ["[pr #%d] %s %s a review on: %s - %s" % ( number, reviewer, action, pr_title, url)] def pull_request_review_comment(self, full_name, data): number = data["pull_request"]["number"] action = data["action"] pr_title = data["pull_request"]["title"] sender = utils.irc.bold(data["sender"]["login"]) url = self._short_url(data["comment"]["html_url"]) return ["[pr #%d] %s %s on a review: %s - %s" % (number, sender, COMMENT_ACTIONS[action], pr_title, url)] def issues(self, full_name, data): number = data["issue"]["number"] action = data["action"] action_desc = action issue_title = data["issue"]["title"] author = utils.irc.bold(data["sender"]["login"]) url = self._short_url(data["issue"]["html_url"]) return ["[issue #%d] %s %s: %s - %s" % (number, author, action_desc, issue_title, url)] def issue_comment(self, full_name, data): if "changes" in data: # don't show this event when nothing has actually changed if data["changes"]["body"]["from"] == data["comment"]["body"]: return number = data["issue"]["number"] action = data["action"] issue_title = data["issue"]["title"] type = "pr" if "pull_request" in data["issue"] else "issue" commenter = utils.irc.bold(data["comment"]["user"]["login"]) url = self._short_url(data["comment"]["html_url"]) return ["[%s #%d] %s %s on: %s - %s" % (type, number, commenter, COMMENT_ACTIONS[action], issue_title, url)] def create(self, full_name, data): ref = data["ref"] ref_color = utils.irc.color(ref, utils.consts.LIGHTBLUE) type = data["ref_type"] sender = utils.irc.bold(data["sender"]["login"]) url = self._short_url(CREATE_URL % (full_name, ref)) return ["%s created a %s: %s - %s" % (sender, type, ref_color, url)] def delete(self, full_name, data): ref = data["ref"] type = data["ref_type"] sender = utils.irc.bold(data["sender"]["login"]) return ["%s deleted a %s: %s" % (sender, type, ref)] def release(self, full_name, data): action = data["action"] tag = data["release"]["tag_name"] name = data["release"]["name"] or "" if name: name = ": %s" author = utils.irc.bold(data["release"]["author"]["login"]) url = self._short_url(data["release"]["html_url"]) return ["%s %s a release%s - %s" % (author, action, name, url)] def status(self, full_name, data): context = data["context"] state = data["state"] url = data["target_url"] commit = self._short_id(data["sha"]) return ["[%s status] %s is '%s' - %s" % (commit, context, state, url)] def fork(self, full_name, data): forker = utils.irc.bold(data["sender"]["login"]) fork_full_name = utils.irc.color(data["forkee"]["full_name"], utils.consts.LIGHTBLUE) url = self._short_url(data["forkee"]["html_url"]) return ["%s forked into %s - %s" % (forker, fork_full_name, url)] def membership(self, organisation, data): return ["%s %s %s to team %s" % (data["sender"]["login"], data["action"], data["member"]["login"], data["team"]["name"])] def watch(self, data): return ["%s starred the repository" % data["sender"]["login"]]