diff options
Diffstat (limited to 'aurweb/git')
| -rw-r--r-- | aurweb/git/__init__.py | 0 | ||||
| -rwxr-xr-x | aurweb/git/auth.py | 62 | ||||
| -rwxr-xr-x | aurweb/git/serve.py | 451 | ||||
| -rwxr-xr-x | aurweb/git/update.py | 423 |
4 files changed, 936 insertions, 0 deletions
diff --git a/aurweb/git/__init__.py b/aurweb/git/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/aurweb/git/__init__.py diff --git a/aurweb/git/auth.py b/aurweb/git/auth.py new file mode 100755 index 00000000..022b0fff --- /dev/null +++ b/aurweb/git/auth.py @@ -0,0 +1,62 @@ +#!/usr/bin/python3 + +import shlex +import re +import sys + +import aurweb.config +import aurweb.db + + +def format_command(env_vars, command, ssh_opts, ssh_key): + environment = '' + for key, var in env_vars.items(): + environment += '{}={} '.format(key, shlex.quote(var)) + + command = shlex.quote(command) + command = '{}{}'.format(environment, command) + + # The command is being substituted into an authorized_keys line below, + # so we need to escape the double quotes. + command = command.replace('"', '\\"') + msg = 'command="{}",{} {}'.format(command, ssh_opts, ssh_key) + return msg + + +def main(): + valid_keytypes = aurweb.config.get('auth', 'valid-keytypes').split() + username_regex = aurweb.config.get('auth', 'username-regex') + git_serve_cmd = aurweb.config.get('auth', 'git-serve-cmd') + ssh_opts = aurweb.config.get('auth', 'ssh-options') + + keytype = sys.argv[1] + keytext = sys.argv[2] + if keytype not in valid_keytypes: + exit(1) + + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT Users.Username, Users.AccountTypeID FROM Users " + "INNER JOIN SSHPubKeys ON SSHPubKeys.UserID = Users.ID " + "WHERE SSHPubKeys.PubKey = ? AND Users.Suspended = 0", + (keytype + " " + keytext,)) + + row = cur.fetchone() + if not row or cur.fetchone(): + exit(1) + + user, account_type = row + if not re.match(username_regex, user): + exit(1) + + env_vars = { + 'AUR_USER': user, + 'AUR_PRIVILEGED': '1' if account_type > 1 else '0', + } + key = keytype + ' ' + keytext + + print(format_command(env_vars, git_serve_cmd, ssh_opts, key)) + + +if __name__ == '__main__': + main() diff --git a/aurweb/git/serve.py b/aurweb/git/serve.py new file mode 100755 index 00000000..476aea86 --- /dev/null +++ b/aurweb/git/serve.py @@ -0,0 +1,451 @@ +#!/usr/bin/python3 + +import os +import re +import shlex +import subprocess +import sys +import time + +import aurweb.config +import aurweb.db + +notify_cmd = aurweb.config.get('notifications', 'notify-cmd') + +repo_path = aurweb.config.get('serve', 'repo-path') +repo_regex = aurweb.config.get('serve', 'repo-regex') +git_shell_cmd = aurweb.config.get('serve', 'git-shell-cmd') +git_update_cmd = aurweb.config.get('serve', 'git-update-cmd') +ssh_cmdline = aurweb.config.get('serve', 'ssh-cmdline') + +enable_maintenance = aurweb.config.getboolean('options', 'enable-maintenance') +maintenance_exc = aurweb.config.get('options', 'maintenance-exceptions').split() + + +def pkgbase_from_name(pkgbase): + conn = aurweb.db.Connection() + cur = conn.execute("SELECT ID FROM PackageBases WHERE Name = ?", [pkgbase]) + + row = cur.fetchone() + return row[0] if row else None + + +def pkgbase_exists(pkgbase): + return pkgbase_from_name(pkgbase) is not None + + +def list_repos(user): + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + + cur = conn.execute("SELECT Name, PackagerUID FROM PackageBases " + + "WHERE MaintainerUID = ?", [userid]) + for row in cur: + print((' ' if row[1] else '*') + row[0]) + conn.close() + + +def create_pkgbase(pkgbase, user): + if not re.match(repo_regex, pkgbase): + die('{:s}: invalid repository name: {:s}'.format(action, pkgbase)) + if pkgbase_exists(pkgbase): + die('{:s}: package base already exists: {:s}'.format(action, pkgbase)) + + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + + now = int(time.time()) + cur = conn.execute("INSERT INTO PackageBases (Name, SubmittedTS, " + + "ModifiedTS, SubmitterUID, MaintainerUID) VALUES " + + "(?, ?, ?, ?, ?)", [pkgbase, now, now, userid, userid]) + pkgbase_id = cur.lastrowid + + cur = conn.execute("INSERT INTO PackageNotifications " + + "(PackageBaseID, UserID) VALUES (?, ?)", + [pkgbase_id, userid]) + + conn.commit() + conn.close() + + +def pkgbase_adopt(pkgbase, user, privileged): + pkgbase_id = pkgbase_from_name(pkgbase) + if not pkgbase_id: + die('{:s}: package base not found: {:s}'.format(action, pkgbase)) + + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT ID FROM PackageBases WHERE ID = ? AND " + + "MaintainerUID IS NULL", [pkgbase_id]) + if not privileged and not cur.fetchone(): + die('{:s}: permission denied: {:s}'.format(action, user)) + + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + + cur = conn.execute("UPDATE PackageBases SET MaintainerUID = ? " + + "WHERE ID = ?", [userid, pkgbase_id]) + + cur = conn.execute("SELECT COUNT(*) FROM PackageNotifications WHERE " + + "PackageBaseID = ? AND UserID = ?", + [pkgbase_id, userid]) + if cur.fetchone()[0] == 0: + cur = conn.execute("INSERT INTO PackageNotifications " + + "(PackageBaseID, UserID) VALUES (?, ?)", + [pkgbase_id, userid]) + conn.commit() + + subprocess.Popen((notify_cmd, 'adopt', str(pkgbase_id), str(userid))) + + conn.close() + + +def pkgbase_get_comaintainers(pkgbase): + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT UserName FROM PackageComaintainers " + + "INNER JOIN Users " + + "ON Users.ID = PackageComaintainers.UsersID " + + "INNER JOIN PackageBases " + + "ON PackageBases.ID = PackageComaintainers.PackageBaseID " + + "WHERE PackageBases.Name = ? " + + "ORDER BY Priority ASC", [pkgbase]) + + return [row[0] for row in cur.fetchall()] + + +def pkgbase_set_comaintainers(pkgbase, userlist, user, privileged): + pkgbase_id = pkgbase_from_name(pkgbase) + if not pkgbase_id: + die('{:s}: package base not found: {:s}'.format(action, pkgbase)) + + if not privileged and not pkgbase_has_full_access(pkgbase, user): + die('{:s}: permission denied: {:s}'.format(action, user)) + + conn = aurweb.db.Connection() + + userlist_old = set(pkgbase_get_comaintainers(pkgbase)) + + uids_old = set() + for olduser in userlist_old: + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", + [olduser]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + uids_old.add(userid) + + uids_new = set() + for newuser in userlist: + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", + [newuser]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + uids_new.add(userid) + + uids_add = uids_new - uids_old + uids_rem = uids_old - uids_new + + i = 1 + for userid in uids_new: + if userid in uids_add: + cur = conn.execute("INSERT INTO PackageComaintainers " + + "(PackageBaseID, UsersID, Priority) " + + "VALUES (?, ?, ?)", [pkgbase_id, userid, i]) + subprocess.Popen((notify_cmd, 'comaintainer-add', str(pkgbase_id), + str(userid))) + else: + cur = conn.execute("UPDATE PackageComaintainers " + + "SET Priority = ? " + + "WHERE PackageBaseID = ? AND UsersID = ?", + [i, pkgbase_id, userid]) + i += 1 + + for userid in uids_rem: + cur = conn.execute("DELETE FROM PackageComaintainers " + + "WHERE PackageBaseID = ? AND UsersID = ?", + [pkgbase_id, userid]) + subprocess.Popen((notify_cmd, 'comaintainer-remove', + str(pkgbase_id), str(userid))) + + conn.commit() + conn.close() + + +def pkgreq_by_pkgbase(pkgbase_id, reqtype): + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT PackageRequests.ID FROM PackageRequests " + + "INNER JOIN RequestTypes ON " + + "RequestTypes.ID = PackageRequests.ReqTypeID " + + "WHERE PackageRequests.Status = 0 " + + "AND PackageRequests.PackageBaseID = ?" + + "AND RequestTypes.Name = ?", [pkgbase_id, reqtype]) + + return [row[0] for row in cur.fetchall()] + + +def pkgreq_close(reqid, reason, comments, autoclose=False): + statusmap = {'accepted': 2, 'rejected': 3} + if reason not in statusmap: + die('{:s}: invalid reason: {:s}'.format(action, reason)) + status = statusmap[reason] + + conn = aurweb.db.Connection() + + if autoclose: + userid = 0 + else: + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + + conn.execute("UPDATE PackageRequests SET Status = ?, ClosureComment = ? " + + "WHERE ID = ?", [status, comments, reqid]) + conn.commit() + conn.close() + + subprocess.Popen((notify_cmd, 'request-close', str(userid), str(reqid), + reason)).wait() + + +def pkgbase_disown(pkgbase, user, privileged): + pkgbase_id = pkgbase_from_name(pkgbase) + if not pkgbase_id: + die('{:s}: package base not found: {:s}'.format(action, pkgbase)) + + initialized_by_owner = pkgbase_has_full_access(pkgbase, user) + if not privileged and not initialized_by_owner: + die('{:s}: permission denied: {:s}'.format(action, user)) + + # TODO: Support disowning package bases via package request. + + # Scan through pending orphan requests and close them. + comment = 'The user {:s} disowned the package.'.format(user) + for reqid in pkgreq_by_pkgbase(pkgbase_id, 'orphan'): + pkgreq_close(reqid, 'accepted', comment, True) + + comaintainers = [] + new_maintainer_userid = None + + conn = aurweb.db.Connection() + + # Make the first co-maintainer the new maintainer, unless the action was + # enforced by a Trusted User. + if initialized_by_owner: + comaintainers = pkgbase_get_comaintainers(pkgbase) + if len(comaintainers) > 0: + new_maintainer = comaintainers[0] + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", + [new_maintainer]) + new_maintainer_userid = cur.fetchone()[0] + comaintainers.remove(new_maintainer) + + pkgbase_set_comaintainers(pkgbase, comaintainers, user, privileged) + cur = conn.execute("UPDATE PackageBases SET MaintainerUID = ? " + + "WHERE ID = ?", [new_maintainer_userid, pkgbase_id]) + + conn.commit() + + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + if userid == 0: + die('{:s}: unknown user: {:s}'.format(action, user)) + + subprocess.Popen((notify_cmd, 'disown', str(pkgbase_id), str(userid))) + + conn.close() + + +def pkgbase_set_keywords(pkgbase, keywords): + pkgbase_id = pkgbase_from_name(pkgbase) + if not pkgbase_id: + die('{:s}: package base not found: {:s}'.format(action, pkgbase)) + + conn = aurweb.db.Connection() + + conn.execute("DELETE FROM PackageKeywords WHERE PackageBaseID = ?", + [pkgbase_id]) + for keyword in keywords: + conn.execute("INSERT INTO PackageKeywords (PackageBaseID, Keyword) " + + "VALUES (?, ?)", [pkgbase_id, keyword]) + + conn.commit() + conn.close() + + +def pkgbase_has_write_access(pkgbase, user): + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT COUNT(*) FROM PackageBases " + + "LEFT JOIN PackageComaintainers " + + "ON PackageComaintainers.PackageBaseID = PackageBases.ID " + + "INNER JOIN Users " + + "ON Users.ID = PackageBases.MaintainerUID " + + "OR PackageBases.MaintainerUID IS NULL " + + "OR Users.ID = PackageComaintainers.UsersID " + + "WHERE Name = ? AND Username = ?", [pkgbase, user]) + return cur.fetchone()[0] > 0 + + +def pkgbase_has_full_access(pkgbase, user): + conn = aurweb.db.Connection() + + cur = conn.execute("SELECT COUNT(*) FROM PackageBases " + + "INNER JOIN Users " + + "ON Users.ID = PackageBases.MaintainerUID " + + "WHERE Name = ? AND Username = ?", [pkgbase, user]) + return cur.fetchone()[0] > 0 + + +def die(msg): + sys.stderr.write("{:s}\n".format(msg)) + exit(1) + + +def die_with_help(msg): + die(msg + "\nTry `{:s} help` for a list of commands.".format(ssh_cmdline)) + + +def warn(msg): + sys.stderr.write("warning: {:s}\n".format(msg)) + + +def usage(cmds): + sys.stderr.write("Commands:\n") + colwidth = max([len(cmd) for cmd in cmds.keys()]) + 4 + for key in sorted(cmds): + sys.stderr.write(" " + key.ljust(colwidth) + cmds[key] + "\n") + exit(0) + + +def main(): + user = os.environ.get('AUR_USER') + privileged = (os.environ.get('AUR_PRIVILEGED', '0') == '1') + ssh_cmd = os.environ.get('SSH_ORIGINAL_COMMAND') + ssh_client = os.environ.get('SSH_CLIENT') + + if not ssh_cmd: + die_with_help("Interactive shell is disabled.") + cmdargv = shlex.split(ssh_cmd) + action = cmdargv[0] + remote_addr = ssh_client.split(' ')[0] if ssh_client else None + + if enable_maintenance: + if remote_addr not in maintenance_exc: + die("The AUR is down due to maintenance. We will be back soon.") + + if action == 'git' and cmdargv[1] in ('upload-pack', 'receive-pack'): + action = action + '-' + cmdargv[1] + del cmdargv[1] + + if action == 'git-upload-pack' or action == 'git-receive-pack': + if len(cmdargv) < 2: + die_with_help("{:s}: missing path".format(action)) + + path = cmdargv[1].rstrip('/') + if not path.startswith('/'): + path = '/' + path + if not path.endswith('.git'): + path = path + '.git' + pkgbase = path[1:-4] + if not re.match(repo_regex, pkgbase): + die('{:s}: invalid repository name: {:s}'.format(action, pkgbase)) + + if action == 'git-receive-pack' and pkgbase_exists(pkgbase): + if not privileged and not pkgbase_has_write_access(pkgbase, user): + die('{:s}: permission denied: {:s}'.format(action, user)) + + os.environ["AUR_USER"] = user + os.environ["AUR_PKGBASE"] = pkgbase + os.environ["GIT_NAMESPACE"] = pkgbase + cmd = action + " '" + repo_path + "'" + os.execl(git_shell_cmd, git_shell_cmd, '-c', cmd) + elif action == 'set-keywords': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + pkgbase_set_keywords(cmdargv[1], cmdargv[2:]) + elif action == 'list-repos': + if len(cmdargv) > 1: + die_with_help("{:s}: too many arguments".format(action)) + list_repos(user) + elif action == 'setup-repo': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + if len(cmdargv) > 2: + die_with_help("{:s}: too many arguments".format(action)) + warn('{:s} is deprecated. ' + 'Use `git push` to create new repositories.'.format(action)) + create_pkgbase(cmdargv[1], user) + elif action == 'restore': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + if len(cmdargv) > 2: + die_with_help("{:s}: too many arguments".format(action)) + + pkgbase = cmdargv[1] + if not re.match(repo_regex, pkgbase): + die('{:s}: invalid repository name: {:s}'.format(action, pkgbase)) + + if pkgbase_exists(pkgbase): + die('{:s}: package base exists: {:s}'.format(action, pkgbase)) + create_pkgbase(pkgbase, user) + + os.environ["AUR_USER"] = user + os.environ["AUR_PKGBASE"] = pkgbase + os.execl(git_update_cmd, git_update_cmd, 'restore') + elif action == 'adopt': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + if len(cmdargv) > 2: + die_with_help("{:s}: too many arguments".format(action)) + + pkgbase = cmdargv[1] + pkgbase_adopt(pkgbase, user, privileged) + elif action == 'disown': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + if len(cmdargv) > 2: + die_with_help("{:s}: too many arguments".format(action)) + + pkgbase = cmdargv[1] + pkgbase_disown(pkgbase, user, privileged) + elif action == 'set-comaintainers': + if len(cmdargv) < 2: + die_with_help("{:s}: missing repository name".format(action)) + + pkgbase = cmdargv[1] + userlist = cmdargv[2:] + pkgbase_set_comaintainers(pkgbase, userlist, user, privileged) + elif action == 'help': + cmds = { + "adopt <name>": "Adopt a package base.", + "disown <name>": "Disown a package base.", + "help": "Show this help message and exit.", + "list-repos": "List all your repositories.", + "restore <name>": "Restore a deleted package base.", + "set-comaintainers <name> [...]": "Set package base co-maintainers.", + "set-keywords <name> [...]": "Change package base keywords.", + "setup-repo <name>": "Create a repository (deprecated).", + "git-receive-pack": "Internal command used with Git.", + "git-upload-pack": "Internal command used with Git.", + } + usage(cmds) + else: + die_with_help("invalid command: {:s}".format(action)) + + +if __name__ == '__main__': + main() diff --git a/aurweb/git/update.py b/aurweb/git/update.py new file mode 100755 index 00000000..3b84eb5d --- /dev/null +++ b/aurweb/git/update.py @@ -0,0 +1,423 @@ +#!/usr/bin/python3 + +import os +import pygit2 +import re +import subprocess +import sys +import time + +import srcinfo.parse +import srcinfo.utils + +import aurweb.config +import aurweb.db + +notify_cmd = aurweb.config.get('notifications', 'notify-cmd') + +repo_path = aurweb.config.get('serve', 'repo-path') +repo_regex = aurweb.config.get('serve', 'repo-regex') + +max_blob_size = aurweb.config.getint('update', 'max-blob-size') + + +def size_humanize(num): + for unit in ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB']: + if abs(num) < 2048.0: + if isinstance(num, int): + return "{}{}".format(num, unit) + else: + return "{:.2f}{}".format(num, unit) + num /= 1024.0 + return "{:.2f}{}".format(num, 'YiB') + + +def extract_arch_fields(pkginfo, field): + values = [] + + if field in pkginfo: + for val in pkginfo[field]: + values.append({"value": val, "arch": None}) + + for arch in ['i686', 'x86_64']: + if field + '_' + arch in pkginfo: + for val in pkginfo[field + '_' + arch]: + values.append({"value": val, "arch": arch}) + + return values + + +def parse_dep(depstring): + dep, _, desc = depstring.partition(': ') + depname = re.sub(r'(<|=|>).*', '', dep) + depcond = dep[len(depname):] + + if (desc): + return (depname + ': ' + desc, depcond) + else: + return (depname, depcond) + + +def create_pkgbase(conn, pkgbase, user): + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + userid = cur.fetchone()[0] + + now = int(time.time()) + cur = conn.execute("INSERT INTO PackageBases (Name, SubmittedTS, " + + "ModifiedTS, SubmitterUID, MaintainerUID) VALUES " + + "(?, ?, ?, ?, ?)", [pkgbase, now, now, userid, userid]) + pkgbase_id = cur.lastrowid + + cur = conn.execute("INSERT INTO PackageNotifications " + + "(PackageBaseID, UserID) VALUES (?, ?)", + [pkgbase_id, userid]) + + conn.commit() + + return pkgbase_id + + +def save_metadata(metadata, conn, user): + # Obtain package base ID and previous maintainer. + pkgbase = metadata['pkgbase'] + cur = conn.execute("SELECT ID, MaintainerUID FROM PackageBases " + "WHERE Name = ?", [pkgbase]) + (pkgbase_id, maintainer_uid) = cur.fetchone() + was_orphan = not maintainer_uid + + # Obtain the user ID of the new maintainer. + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + user_id = int(cur.fetchone()[0]) + + # Update package base details and delete current packages. + now = int(time.time()) + conn.execute("UPDATE PackageBases SET ModifiedTS = ?, " + + "PackagerUID = ?, OutOfDateTS = NULL WHERE ID = ?", + [now, user_id, pkgbase_id]) + conn.execute("UPDATE PackageBases SET MaintainerUID = ? " + + "WHERE ID = ? AND MaintainerUID IS NULL", + [user_id, pkgbase_id]) + for table in ('Sources', 'Depends', 'Relations', 'Licenses', 'Groups'): + conn.execute("DELETE FROM Package" + table + " WHERE EXISTS (" + + "SELECT * FROM Packages " + + "WHERE Packages.PackageBaseID = ? AND " + + "Package" + table + ".PackageID = Packages.ID)", + [pkgbase_id]) + conn.execute("DELETE FROM Packages WHERE PackageBaseID = ?", [pkgbase_id]) + + for pkgname in srcinfo.utils.get_package_names(metadata): + pkginfo = srcinfo.utils.get_merged_package(pkgname, metadata) + + if 'epoch' in pkginfo and int(pkginfo['epoch']) > 0: + ver = '{:d}:{:s}-{:s}'.format(int(pkginfo['epoch']), + pkginfo['pkgver'], + pkginfo['pkgrel']) + else: + ver = '{:s}-{:s}'.format(pkginfo['pkgver'], pkginfo['pkgrel']) + + for field in ('pkgdesc', 'url'): + if field not in pkginfo: + pkginfo[field] = None + + # Create a new package. + cur = conn.execute("INSERT INTO Packages (PackageBaseID, Name, " + + "Version, Description, URL) " + + "VALUES (?, ?, ?, ?, ?)", + [pkgbase_id, pkginfo['pkgname'], ver, + pkginfo['pkgdesc'], pkginfo['url']]) + conn.commit() + pkgid = cur.lastrowid + + # Add package sources. + for source_info in extract_arch_fields(pkginfo, 'source'): + conn.execute("INSERT INTO PackageSources (PackageID, Source, " + + "SourceArch) VALUES (?, ?, ?)", + [pkgid, source_info['value'], source_info['arch']]) + + # Add package dependencies. + for deptype in ('depends', 'makedepends', + 'checkdepends', 'optdepends'): + cur = conn.execute("SELECT ID FROM DependencyTypes WHERE Name = ?", + [deptype]) + deptypeid = cur.fetchone()[0] + for dep_info in extract_arch_fields(pkginfo, deptype): + depname, depcond = parse_dep(dep_info['value']) + deparch = dep_info['arch'] + conn.execute("INSERT INTO PackageDepends (PackageID, " + + "DepTypeID, DepName, DepCondition, DepArch) " + + "VALUES (?, ?, ?, ?, ?)", + [pkgid, deptypeid, depname, depcond, deparch]) + + # Add package relations (conflicts, provides, replaces). + for reltype in ('conflicts', 'provides', 'replaces'): + cur = conn.execute("SELECT ID FROM RelationTypes WHERE Name = ?", + [reltype]) + reltypeid = cur.fetchone()[0] + for rel_info in extract_arch_fields(pkginfo, reltype): + relname, relcond = parse_dep(rel_info['value']) + relarch = rel_info['arch'] + conn.execute("INSERT INTO PackageRelations (PackageID, " + + "RelTypeID, RelName, RelCondition, RelArch) " + + "VALUES (?, ?, ?, ?, ?)", + [pkgid, reltypeid, relname, relcond, relarch]) + + # Add package licenses. + if 'license' in pkginfo: + for license in pkginfo['license']: + cur = conn.execute("SELECT ID FROM Licenses WHERE Name = ?", + [license]) + row = cur.fetchone() + if row: + licenseid = row[0] + else: + cur = conn.execute("INSERT INTO Licenses (Name) " + + "VALUES (?)", [license]) + conn.commit() + licenseid = cur.lastrowid + conn.execute("INSERT INTO PackageLicenses (PackageID, " + + "LicenseID) VALUES (?, ?)", + [pkgid, licenseid]) + + # Add package groups. + if 'groups' in pkginfo: + for group in pkginfo['groups']: + cur = conn.execute("SELECT ID FROM Groups WHERE Name = ?", + [group]) + row = cur.fetchone() + if row: + groupid = row[0] + else: + cur = conn.execute("INSERT INTO Groups (Name) VALUES (?)", + [group]) + conn.commit() + groupid = cur.lastrowid + conn.execute("INSERT INTO PackageGroups (PackageID, " + "GroupID) VALUES (?, ?)", [pkgid, groupid]) + + # Add user to notification list on adoption. + if was_orphan: + cur = conn.execute("SELECT COUNT(*) FROM PackageNotifications WHERE " + + "PackageBaseID = ? AND UserID = ?", + [pkgbase_id, user_id]) + if cur.fetchone()[0] == 0: + conn.execute("INSERT INTO PackageNotifications " + + "(PackageBaseID, UserID) VALUES (?, ?)", + [pkgbase_id, user_id]) + + conn.commit() + + +def update_notify(conn, user, pkgbase_id): + # Obtain the user ID of the new maintainer. + cur = conn.execute("SELECT ID FROM Users WHERE Username = ?", [user]) + user_id = int(cur.fetchone()[0]) + + # Execute the notification script. + subprocess.Popen((notify_cmd, 'update', str(user_id), str(pkgbase_id))) + + +def die(msg): + sys.stderr.write("error: {:s}\n".format(msg)) + exit(1) + + +def warn(msg): + sys.stderr.write("warning: {:s}\n".format(msg)) + + +def die_commit(msg, commit): + sys.stderr.write("error: The following error " + + "occurred when parsing commit\n") + sys.stderr.write("error: {:s}:\n".format(commit)) + sys.stderr.write("error: {:s}\n".format(msg)) + exit(1) + + +def main(): + repo = pygit2.Repository(repo_path) + + user = os.environ.get("AUR_USER") + pkgbase = os.environ.get("AUR_PKGBASE") + privileged = (os.environ.get("AUR_PRIVILEGED", '0') == '1') + warn_or_die = warn if privileged else die + + if len(sys.argv) == 2 and sys.argv[1] == "restore": + if 'refs/heads/' + pkgbase not in repo.listall_references(): + die('{:s}: repository not found: {:s}'.format(sys.argv[1], + pkgbase)) + refname = "refs/heads/master" + branchref = 'refs/heads/' + pkgbase + sha1_old = sha1_new = repo.lookup_reference(branchref).target + elif len(sys.argv) == 4: + refname, sha1_old, sha1_new = sys.argv[1:4] + else: + die("invalid arguments") + + if refname != "refs/heads/master": + die("pushing to a branch other than master is restricted") + + conn = aurweb.db.Connection() + + # Detect and deny non-fast-forwards. + if sha1_old != "0" * 40 and not privileged: + walker = repo.walk(sha1_old, pygit2.GIT_SORT_TOPOLOGICAL) + walker.hide(sha1_new) + if next(walker, None) is not None: + die("denying non-fast-forward (you should pull first)") + + # Prepare the walker that validates new commits. + walker = repo.walk(sha1_new, pygit2.GIT_SORT_TOPOLOGICAL) + if sha1_old != "0" * 40: + walker.hide(sha1_old) + + # Validate all new commits. + for commit in walker: + for fname in ('.SRCINFO', 'PKGBUILD'): + if fname not in commit.tree: + die_commit("missing {:s}".format(fname), str(commit.id)) + + for treeobj in commit.tree: + blob = repo[treeobj.id] + + if isinstance(blob, pygit2.Tree): + die_commit("the repository must not contain subdirectories", + str(commit.id)) + + if not isinstance(blob, pygit2.Blob): + die_commit("not a blob object: {:s}".format(treeobj), + str(commit.id)) + + if blob.size > max_blob_size: + die_commit("maximum blob size ({:s}) exceeded".format( + size_humanize(max_blob_size)), str(commit.id)) + + metadata_raw = repo[commit.tree['.SRCINFO'].id].data.decode() + (metadata, errors) = srcinfo.parse.parse_srcinfo(metadata_raw) + if errors: + sys.stderr.write("error: The following errors occurred " + "when parsing .SRCINFO in commit\n") + sys.stderr.write("error: {:s}:\n".format(str(commit.id))) + for error in errors: + for err in error['error']: + sys.stderr.write("error: line {:d}: {:s}\n".format( + error['line'], err)) + exit(1) + + metadata_pkgbase = metadata['pkgbase'] + if not re.match(repo_regex, metadata_pkgbase): + die_commit('invalid pkgbase: {:s}'.format(metadata_pkgbase), + str(commit.id)) + + for pkgname in set(metadata['packages'].keys()): + pkginfo = srcinfo.utils.get_merged_package(pkgname, metadata) + + for field in ('pkgver', 'pkgrel', 'pkgname'): + if field not in pkginfo: + die_commit('missing mandatory field: {:s}'.format(field), + str(commit.id)) + + if 'epoch' in pkginfo and not pkginfo['epoch'].isdigit(): + die_commit('invalid epoch: {:s}'.format(pkginfo['epoch']), + str(commit.id)) + + if not re.match(r'[a-z0-9][a-z0-9\.+_-]*$', pkginfo['pkgname']): + die_commit('invalid package name: {:s}'.format( + pkginfo['pkgname']), str(commit.id)) + + max_len = {'pkgname': 255, 'pkgdesc': 255, 'url': 8000} + for field in max_len.keys(): + if field in pkginfo and len(pkginfo[field]) > max_len[field]: + die_commit('{:s} field too long: {:s}'.format(field, + pkginfo[field]), str(commit.id)) + + for field in ('install', 'changelog'): + if field in pkginfo and not pkginfo[field] in commit.tree: + die_commit('missing {:s} file: {:s}'.format(field, + pkginfo[field]), str(commit.id)) + + for field in extract_arch_fields(pkginfo, 'source'): + fname = field['value'] + if len(fname) > 8000: + die_commit('source entry too long: {:s}'.format(fname), + str(commit.id)) + if "://" in fname or "lp:" in fname: + continue + if fname not in commit.tree: + die_commit('missing source file: {:s}'.format(fname), + str(commit.id)) + + # Display a warning if .SRCINFO is unchanged. + if sha1_old not in ("0000000000000000000000000000000000000000", sha1_new): + srcinfo_id_old = repo[sha1_old].tree['.SRCINFO'].id + srcinfo_id_new = repo[sha1_new].tree['.SRCINFO'].id + if srcinfo_id_old == srcinfo_id_new: + warn(".SRCINFO unchanged. " + "The package database will not be updated!") + + # Read .SRCINFO from the HEAD commit. + metadata_raw = repo[repo[sha1_new].tree['.SRCINFO'].id].data.decode() + (metadata, errors) = srcinfo.parse.parse_srcinfo(metadata_raw) + + # Ensure that the package base name matches the repository name. + metadata_pkgbase = metadata['pkgbase'] + if metadata_pkgbase != pkgbase: + die('invalid pkgbase: {:s}, expected {:s}'.format(metadata_pkgbase, + pkgbase)) + + # Ensure that packages are neither blacklisted nor overwritten. + pkgbase = metadata['pkgbase'] + cur = conn.execute("SELECT ID FROM PackageBases WHERE Name = ?", [pkgbase]) + row = cur.fetchone() + pkgbase_id = row[0] if row else 0 + + cur = conn.execute("SELECT Name FROM PackageBlacklist") + blacklist = [row[0] for row in cur.fetchall()] + + cur = conn.execute("SELECT Name, Repo FROM OfficialProviders") + providers = dict(cur.fetchall()) + + for pkgname in srcinfo.utils.get_package_names(metadata): + pkginfo = srcinfo.utils.get_merged_package(pkgname, metadata) + pkgname = pkginfo['pkgname'] + + if pkgname in blacklist: + warn_or_die('package is blacklisted: {:s}'.format(pkgname)) + if pkgname in providers: + warn_or_die('package already provided by [{:s}]: {:s}'.format( + providers[pkgname], pkgname)) + + cur = conn.execute("SELECT COUNT(*) FROM Packages WHERE Name = ? " + + "AND PackageBaseID <> ?", [pkgname, pkgbase_id]) + if cur.fetchone()[0] > 0: + die('cannot overwrite package: {:s}'.format(pkgname)) + + # Create a new package base if it does not exist yet. + if pkgbase_id == 0: + pkgbase_id = create_pkgbase(conn, pkgbase, user) + + # Store package base details in the database. + save_metadata(metadata, conn, user) + + # Create (or update) a branch with the name of the package base for better + # accessibility. + branchref = 'refs/heads/' + pkgbase + repo.create_reference(branchref, sha1_new, True) + + # Work around a Git bug: The HEAD ref is not updated when using + # gitnamespaces. This can be removed once the bug fix is included in Git + # mainline. See + # http://git.661346.n2.nabble.com/PATCH-receive-pack-Create-a-HEAD-ref-for-ref-namespace-td7632149.html + # for details. + headref = 'refs/namespaces/' + pkgbase + '/HEAD' + repo.create_reference(headref, sha1_new, True) + + # Send package update notifications. + update_notify(conn, user, pkgbase_id) + + # Close the database. + cur.close() + conn.close() + + +if __name__ == '__main__': + main() |