import ipaddr

from decorator import decorator

from sqlalchemy.orm import joinedload

from sqlalchemy.orm.exc import ObjectDeletedError

from tg import request

from tg.i18n import ugettext as _

from webob.exc import HTTPForbidden, HTTPFound

from kallithea import __platform__, is_unix, is_windows

from kallithea.config.routing import url

from kallithea.lib.caching_query import FromCache

from kallithea.lib.utils import conditional_cache, get_repo_group_slug, get_repo_slug, get_user_group_slug

from kallithea.lib.vcs.utils.lazy import LazyProperty

from kallithea.model.db import (

    Permission, RepoGroup, Repository, User, UserApiKeys, UserGroup, UserGroupMember, UserGroupRepoGroupToPerm, UserGroupRepoToPerm, UserGroupToPerm, UserGroupUserGroupToPerm, UserIpMap, UserToPerm)

from kallithea.model.meta import Session

from kallithea.model.user import UserModel

log = logging.getLogger(__name__)

class PasswordGenerator(object):

    """

def get_crypt_password(password):

    """

    Cryptographic function used for password hashing based on pybcrypt

    or Python's own OpenSSL wrapper on windows

    :param password: password to hash

    """

    if is_windows:

        return hashlib.sha256(password).hexdigest()

    elif is_unix:

        import bcrypt

    else:

        raise Exception('Unknown or unsupported platform %s'

                        % __platform__)

def check_password(password, hashed):

    """

    Checks matching password with it's hashed value, runs different

    implementation based on platform it runs on

    :param password: password

    :param hashed: password in hashed form

    """

    if is_windows:

        return hashlib.sha256(password).hexdigest() == hashed

    elif is_unix:

        import bcrypt

        try:

        except ValueError as e:

            # bcrypt will throw ValueError 'Invalid hashed_password salt' on all password errors

            log.error('error from bcrypt checking password: %s', e)

            return False

    else:

        raise Exception('Unknown or unsupported platform %s'

                        % __platform__)

def _cached_perms_data(user_id, user_is_admin):

    RK = 'repositories'

    GK = 'repositories_groups'

"""

import logging

import os

from hashlib import md5

from decorator import decorator

from tg import config

from kallithea import CELERY_EAGER, CELERY_ON

from kallithea.lib.pidlock import DaemonLock, LockHeld

from kallithea.model import meta

log = logging.getLogger(__name__)

class FakeTask(object):

    """Fake a sync result to make it look like a finished task"""

    def __init__(self, result):

        self.result = result

            return FakeTask(result)

    return f_wrapped

def __get_lockkey(func, *fargs, **fkwargs):

    params = list(fargs)

    params.extend(['%s-%s' % ar for ar in fkwargs.items()])

    func_name = str(func.__name__) if hasattr(func, '__name__') else str(func)

    lockkey = 'task_%s.lock' % \

    return lockkey

def locked_task(func):

    def __wrapper(func, *fargs, **fkwargs):

        lockkey = __get_lockkey(func, *fargs, **fkwargs)

        lockkey_path = config.get('cache_dir') or config['app_conf']['cache_dir']  # Backward compatibility for TurboGears < 2.4

        log.info('running task with lockkey %s', lockkey)

        try:

            l = DaemonLock(os.path.join(lockkey_path, lockkey))

            ret = func(*fargs, **fkwargs)

from webhelpers2.text import chop_at, truncate, wrap_paragraphs

from kallithea.config.routing import url

from kallithea.lib.annotate import annotate_highlight

#==============================================================================

# PERMS

#==============================================================================

from kallithea.lib.auth import HasPermissionAny, HasRepoGroupPermissionLevel, HasRepoPermissionLevel

from kallithea.lib.markup_renderer import url_re

from kallithea.lib.pygmentsutils import get_custom_lexer

from kallithea.lib.utils2 import MENTIONS_REGEX, AttributeDict

from kallithea.lib.utils2 import age as _age

from kallithea.lib.vcs.backends.base import BaseChangeset, EmptyChangeset

from kallithea.lib.vcs.exceptions import ChangesetDoesNotExistError

#==============================================================================

# SCM FILTERS available via h.

#==============================================================================

from kallithea.lib.vcs.utils import author_email, author_name

log = logging.getLogger(__name__)

def canonical_url(*args, **kargs):

safeid = _make_safe_id_component

def FID(raw_id, path):

    """

    Creates a unique ID for filenode based on it's hash of path and revision

    it's safe to use in urls

    :param raw_id:

    :param path:

    """

class _FilesBreadCrumbs(object):

    def __call__(self, repo_name, rev, paths):

        if isinstance(paths, str):

            paths = safe_unicode(paths)

        url_l = [link_to(repo_name, url('files_home',

                                        repo_name=repo_name,

                                        revision=rev, f_path=''),

                         class_='ypjax-link')]

        paths_l = paths.split('/')

    if not c.visual.use_gravatar:

        return ""

    _def = 'anonymous@kallithea-scm.org'  # default gravatar

    email_address = email_address or _def

    if email_address == _def:

        return default

    parsed_url = urlparse.urlparse(url.current(qualified=True))

    url = (c.visual.gravatar_url or User.DEFAULT_GRAVATAR_URL) \

               .replace('{email}', email_address) \

               .replace('{netloc}', parsed_url.netloc) \

               .replace('{scheme}', parsed_url.scheme) \

               .replace('{size}', str(size))

    return url

def changed_tooltip(nodes):

    """

    Generates a html string for changed nodes in changeset page.

    It limits the output to 30 entries

    :param nodes: LazyNodesGenerator

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.lib.middleware.permanent_repo_url

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

middleware to handle permanent repo URLs, replacing PATH_INFO '/_123/yada' with

'/name/of/repo/yada' after looking 123 up in the database.

"""

from kallithea.lib.utils import fix_repo_id_name

class PermanentRepoUrl(object):

    def __init__(self, app, config):

        self.application = app

        self.config = config

    def __call__(self, environ, start_response):

        # Extract path_info as get_path_info does, but do it explicitly because

        # we also have to do the reverse operation when patching it back in

        path_info = safe_unicode(environ['PATH_INFO'])

        if path_info.startswith('/'): # it must

        return self.application(environ, start_response)

    augmenting with content from a hgrc file.

    """

    baseui = ui.ui()

    # clean the baseui object

    baseui._ocfg = config.config()

    baseui._ucfg = config.config()

    baseui._tcfg = config.config()

    sa = meta.Session()

    for ui_ in sa.query(Ui).all():

        if ui_.ui_active:

            log.debug('config from db: [%s] %s=%r', ui_.ui_section,

                      ui_.ui_key, ui_val)

            baseui.setconfig(ascii_bytes(ui_.ui_section), ascii_bytes(ui_.ui_key),

                             ui_val)

    # force set push_ssl requirement to False, Kallithea handles that

    baseui.setconfig(b'web', b'push_ssl', False)

    baseui.setconfig(b'web', b'allow_push', b'*')

    # prevent interactive questions for ssh password / passphrase

    ssh = baseui.config(b'ui', b'ssh', default=b'ssh')

    baseui.setconfig(b'ui', b'ssh', b'%s -oBatchMode=yes -oIdentitiesOnly=yes' % ssh)

    # push / pull hooks

import datetime

import posixpath

import stat

import time

from dulwich import objects

from kallithea.lib.vcs.backends.base import BaseInMemoryChangeset

from kallithea.lib.vcs.exceptions import RepositoryError

class GitInMemoryChangeset(BaseInMemoryChangeset):

    def commit(self, message, author, parents=None, branch=None, date=None,

               **kwargs):

        """

        Performs in-memory commit (doesn't check workdir in any way) and

        returns newly created ``Changeset``. Updates repository's

        ``revisions``.

        :param message: message of the commit

        repo = self.repository._repo

        object_store = repo.object_store

        ENCODING = b"UTF-8"  # TODO: should probably be kept in sync with safe_unicode/safe_bytes and vcs/conf/settings.py DEFAULT_ENCODINGS

        # Create tree and populates it with blobs

        commit_tree = self.parents[0] and repo[self.parents[0]._commit.tree] or \

            objects.Tree()

        for node in self.added + self.changed:

            # Compute subdirs if needed

            dirpath, nodename = posixpath.split(node.path)

            parent = commit_tree

            ancestors = [('', parent)]

            # Tries to dig for the deepest existing tree

            while dirnames:

                curdir = dirnames.pop(0)

                try:

                    dir_id = parent[curdir][1]

                except KeyError:

                    # put curdir back into dirnames and stops

                    dirnames.insert(0, curdir)

                    break

                del tree[path]

                if tree:

                    # This tree still has elements - don't remove it or any

                    # of it's parents

                    break

        object_store.add_object(commit_tree)

        # Create commit

        commit = objects.Commit()

        commit.tree = commit_tree.id

        commit.parents = [p._commit.id for p in self.parents if p]

        commit.encoding = ENCODING

        # Compute date

        if date is None:

            date = time.time()

        elif isinstance(date, datetime.datetime):

            date = time.mktime(date.timetuple())

        author_time = kwargs.pop('author_time', date)

        commit.commit_time = int(date)

        commit.author_time = int(author_time)

        tz = time.timezone

        author_tz = kwargs.pop('author_timezone', tz)

        """

        Function will check for mercurial repository in given path and return

        a localrepo object. If there is no repository in that path it will

        raise an exception unless ``create`` parameter is set to True - in

        that case repository would be created and returned.

        If ``src_url`` is given, would try to clone repository from the

        location at given clone_point. Additionally it'll make update to

        working copy accordingly to ``update_after_clone`` flag

        """

        try:

            if src_url:

                opts = {}

                if not update_after_clone:

                    opts.update({'noupdate': True})

                MercurialRepository._check_url(url, self.baseui)

                clone(self.baseui, url, self.path, **opts)

                # Don't try to create if we've already cloned repo

                create = False

            return localrepo.instance(self.baseui, self.path, create=create)

        except (Abort, RepoError) as err:

            if create:

                msg = "Cannot create repository at %s. Original error was %s" \

        if start_pos is not None and end_pos is not None and start_pos > end_pos:

            raise RepositoryError("Start revision '%s' cannot be "

                                  "after end revision '%s'" % (start, end))

        if branch_name and branch_name not in self.allbranches:

            msg = ("Branch %s not found in %s" % (branch_name, self))

            raise BranchDoesNotExistError(msg)

        if end_pos is not None:

            end_pos += 1

        # filter branches

        filter_ = []

        if branch_name:

        if start_date:

            filter_.append(b'date(">%s")' % start_date)

        if end_date:

            filter_.append(b'date("<%s")' % end_date)

        if filter_ or max_revisions:

            if filter_:

                revspec = b' and '.join(filter_)

            else:

                revspec = b'all()'

            if max_revisions:

                revspec = b'limit(%s, %d)' % (revspec, max_revisions)

            revisions = scmutil.revrange(self._repo, [revspec])

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import logging

from mercurial import hg

from mercurial.wireprotoserver import sshserver

from kallithea.lib.utils import make_ui

from kallithea.lib.vcs.backends.ssh import BaseSshHandler

log = logging.getLogger(__name__)

class MercurialSshHandler(BaseSshHandler):

    vcs_type = 'hg'

    @classmethod

    def make(cls, ssh_command_parts):

        r"""

        >>> import shlex

        return None

    def __init__(self, repo_name):

        self.repo_name = repo_name

    def _serve(self):

        # Note: we want a repo with config based on .hg/hgrc and can thus not use self.db_repo.scm_instance._repo.ui

        baseui = make_ui(repo_path=self.db_repo.repo_full_path)

        if not self.allow_push:

            baseui.setconfig(b'hooks', b'pretxnopen._ssh_reject', b'python:kallithea.lib.hooks.rejectpush')

            baseui.setconfig(b'hooks', b'prepushkey._ssh_reject', b'python:kallithea.lib.hooks.rejectpush')

        log.debug("Starting Mercurial sshserver for %s", self.db_repo.repo_full_path)

        sshserver(baseui, repo).serve_forever()

VCSRC_PATH = os.environ.get('VCSRC_PATH')

if not VCSRC_PATH:

    HOME_ = get_user_home()

    if not HOME_:

        HOME_ = tempfile.gettempdir()

VCSRC_PATH = VCSRC_PATH or abspath(HOME_, '.vcsrc')

if os.path.isdir(VCSRC_PATH):

    VCSRC_PATH = os.path.join(VCSRC_PATH, '__init__.py')

DEFAULT_ENCODINGS = aslist('utf-8')

# path to git executable run by run_git_command function

GIT_EXECUTABLE_PATH = 'git'

# can be also --branches --tags

GIT_REV_FILTER = '--all'

BACKENDS = {

    'hg': 'kallithea.lib.vcs.backends.hg.MercurialRepository',

    'git': 'kallithea.lib.vcs.backends.git.GitRepository',

}

import sqlalchemy

from beaker.cache import cache_region, region_invalidate

from sqlalchemy import *

from sqlalchemy.ext.hybrid import hybrid_property

from sqlalchemy.orm import class_mapper, joinedload, relationship, validates

from tg.i18n import lazy_ugettext as _

from webob.exc import HTTPNotFound

import kallithea

from kallithea.lib.caching_query import FromCache

from kallithea.lib.compat import json

from kallithea.lib.exceptions import DefaultUserException

from kallithea.lib.vcs import get_backend

from kallithea.lib.vcs.backends.base import EmptyChangeset

from kallithea.lib.vcs.utils.helpers import get_scm

from kallithea.lib.vcs.utils.lazy import LazyProperty

from kallithea.model.meta import Base, Session

URL_SEP = '/'

log = logging.getLogger(__name__)

#==============================================================================

# BASE CLASSES

#==============================================================================

class BaseDbModel(object):

    """

    Base Model for all classes

    """

    @classmethod

    def _get_keys(cls):

        """return column names for this model """

        # Note: not a normal dict - iterator gives "users.firstname", but keys gives "firstname"

        return class_mapper(cls).c.keys()

                            'mysql_engine': 'InnoDB',

                            'mysql_charset': 'utf8',

                            'sqlite_autoincrement': True,

                           }

class Setting(Base, BaseDbModel):

    __tablename__ = 'settings'

    __table_args__ = (

        _table_args_default_dict,

    )

    SETTINGS_TYPES = {

        'int': safe_int,

        'unicode': safe_unicode,

        'bool': str2bool,

        'list': functools.partial(aslist, sep=',')

    }

    DEFAULT_UPDATE_URL = ''

    app_settings_id = Column(Integer(), primary_key=True)

    app_settings_name = Column(String(255), nullable=False, unique=True)

    _app_settings_value = Column("app_settings_value", Unicode(4096), nullable=False)

    _app_settings_type = Column("app_settings_type", String(255), nullable=True) # FIXME: not nullable?