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#!/usr/bin/python3
import configparser
import mysql.connector
import os
import pygit2
import re
import shlex
import sys
config = configparser.RawConfigParser()
config.read(os.path.dirname(os.path.realpath(__file__)) + "/../conf/config")
aur_db_host = config.get('database', 'host')
aur_db_name = config.get('database', 'name')
aur_db_user = config.get('database', 'user')
aur_db_pass = config.get('database', 'password')
aur_db_socket = config.get('database', 'socket')
repo_path = config.get('serve', 'repo-path')
repo_regex = config.get('serve', 'repo-regex')
git_shell_cmd = config.get('serve', 'git-shell-cmd')
ssh_cmdline = config.get('serve', 'ssh-cmdline')
def pkgbase_exists(pkgbase):
db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
passwd=aur_db_pass, db=aur_db_name,
unix_socket=aur_db_socket)
cur = db.cursor()
cur.execute("SELECT COUNT(*) FROM PackageBases WHERE Name = %s ",
[pkgbase])
db.close()
return (cur.fetchone()[0] > 0)
def list_repos(user):
db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
passwd=aur_db_pass, db=aur_db_name,
unix_socket=aur_db_socket)
cur = db.cursor()
cur.execute("SELECT ID FROM Users WHERE Username = %s ", [user])
userid = cur.fetchone()[0]
if userid == 0:
die('%s: unknown user: %s' % (action, user))
cur.execute("SELECT Name, PackagerUID FROM PackageBases " +
"WHERE MaintainerUID = %s ", [userid])
for row in cur:
print((' ' if row[1] else '*') + row[0])
db.close()
def create_pkgbase(pkgbase, user):
if not re.match(repo_regex, pkgbase):
die('%s: invalid repository name: %s' % (action, pkgbase))
if pkgbase_exists(pkgbase):
die('%s: package base already exists: %s' % (action, pkgbase))
db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
passwd=aur_db_pass, db=aur_db_name,
unix_socket=aur_db_socket)
cur = db.cursor()
cur.execute("SELECT ID FROM Users WHERE Username = %s ", [user])
userid = cur.fetchone()[0]
if userid == 0:
die('%s: unknown user: %s' % (action, user))
cur.execute("INSERT INTO PackageBases (Name, SubmittedTS, ModifiedTS, " +
"SubmitterUID, MaintainerUID) VALUES (%s, UNIX_TIMESTAMP(), " +
"UNIX_TIMESTAMP(), %s, %s)", [pkgbase, userid, userid])
pkgbase_id = cur.lastrowid
cur.execute("INSERT INTO CommentNotify (PackageBaseID, UserID) " +
"VALUES (%s, %s)", [pkgbase_id, userid])
db.commit()
db.close()
def setup_repo(pkgbase):
if not re.match(repo_regex, pkgbase):
die('%s: invalid repository name: %s' % (action, pkgbase))
repo = pygit2.Repository(repo_path)
refs = repo.listall_references()
if not 'refs/heads/' + pkgbase in refs:
repo.create_reference('refs/heads/' + pkgbase, 'refs/namespaces/' +
pkgbase + '/refs/heads/master')
if not 'refs/namespaces/' + pkgbase + '/HEAD' in refs:
repo.create_reference('refs/namespaces/' + pkgbase + '/HEAD',
'refs/namespaces/' + pkgbase +
'/refs/heads/master')
def check_permissions(pkgbase, user):
db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
passwd=aur_db_pass, db=aur_db_name,
unix_socket=aur_db_socket, buffered=True)
cur = db.cursor()
cur.execute("SELECT AccountTypeID FROM Users WHERE UserName = %s ", [user])
if cur.fetchone()[0] > 1:
return True
cur.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 = %s AND Username = %s", [pkgbase, user])
return cur.fetchone()[0] > 0
def die(msg):
sys.stderr.write("%s\n" % (msg))
exit(1)
def die_with_help(msg):
die(msg + "\nTry `%s help` for a list of commands." % (ssh_cmdline))
user = sys.argv[1]
cmd = os.environ.get("SSH_ORIGINAL_COMMAND")
if not cmd:
die_with_help("Interactive shell is disabled.")
cmdargv = shlex.split(cmd)
action = cmdargv[0]
if action == 'git-upload-pack' or action == 'git-receive-pack':
if len(cmdargv) < 2:
die_with_help("%s: missing path" % (action))
path = cmdargv[1].rstrip('/')
if not path.startswith('/') or not path.endswith('.git'):
die('%s: invalid path: %s' % (action, path))
pkgbase = path[1:-4]
if not re.match(repo_regex, pkgbase):
die('%s: invalid repository name: %s' % (action, repo))
if not pkgbase_exists(pkgbase):
create_pkgbase(pkgbase, user)
setup_repo(pkgbase);
if action == 'git-receive-pack':
if not check_permissions(pkgbase, user):
die('%s: permission denied: %s' % (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 == 'list-repos':
if len(cmdargv) > 1:
die_with_help("%s: too many arguments" % (action))
list_repos(user)
elif action == 'setup-repo':
if len(cmdargv) < 2:
die_with_help("%s: missing repository name" % (action))
if len(cmdargv) > 2:
die_with_help("%s: too many arguments" % (action))
create_pkgbase(cmdargv[1], user)
elif action == 'help':
die("Commands:\n" +
" help Show this help message and exit.\n" +
" list-repos List all your repositories.\n" +
" setup-repo <name> Create an empty repository.\n" +
" git-receive-pack Internal command used with Git.\n" +
" git-upload-pack Internal command used with Git.")
else:
die_with_help("invalid command: %s" % (action))
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