Changeset - a1115795fabb
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Mads Kiilerich - 6 years ago 2019-11-16 16:49:04
mads@kiilerich.com
Grafted from: 39f8314d4b0e
utils: drop make_ui parameter clear_session - this utility function should never mess with sessions

clear_session seems to have been based on the idea that utility functions that
happened to create a session also should clean up. But instead, we now
consistently take care of session removal at a high level.
4 files changed with 6 insertions and 8 deletions:
0 comments (0 inline, 0 general)
kallithea/lib/utils.py
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# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# 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/>.
 
"""
 
kallithea.lib.utils
 
~~~~~~~~~~~~~~~~~~~
 

	
 
Utilities library for Kallithea
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Apr 18, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import datetime
 
import logging
 
import os
 
import re
 
import sys
 
import traceback
 
from distutils.version import StrictVersion
 

	
 
import beaker
 
from beaker.cache import _cache_decorate
 
from tg.i18n import ugettext as _
 

	
 
from kallithea.lib.exceptions import HgsubversionImportError
 
from kallithea.lib.utils2 import get_current_authuser, safe_str, safe_unicode
 
from kallithea.lib.vcs.exceptions import VCSError
 
from kallithea.lib.vcs.utils.fakemod import create_module
 
from kallithea.lib.vcs.utils.helpers import get_scm
 
from kallithea.lib.vcs.utils.hgcompat import config, ui
 
from kallithea.model import meta
 
from kallithea.model.db import RepoGroup, Repository, Setting, Ui, User, UserGroup, UserLog
 
from kallithea.model.repo_group import RepoGroupModel
 

	
 

	
 
log = logging.getLogger(__name__)
 

	
 
REMOVED_REPO_PAT = re.compile(r'rm__\d{8}_\d{6}_\d{6}_.*')
 

	
 

	
 
#==============================================================================
 
# PERM DECORATOR HELPERS FOR EXTRACTING NAMES FOR PERM CHECKS
 
#==============================================================================
 
def get_repo_slug(request):
 
    _repo = request.environ['pylons.routes_dict'].get('repo_name')
 
    if _repo:
 
        _repo = _repo.rstrip('/')
 
    return _repo
 

	
 

	
 
def get_repo_group_slug(request):
 
    _group = request.environ['pylons.routes_dict'].get('group_name')
 
    if _group:
 
        _group = _group.rstrip('/')
 
    return _group
 

	
 

	
 
def get_user_group_slug(request):
 
    _group = request.environ['pylons.routes_dict'].get('id')
 
    _group = UserGroup.get(_group)
 
    if _group:
 
        return _group.users_group_name
 
    return None
 

	
 

	
 
def _get_permanent_id(s):
 
    """Helper for decoding stable URLs with repo ID. For a string like '_123'
 
    return 123.
 
    """
 
    by_id_match = re.match(r'^_(\d+)$', s)
 
    if by_id_match is None:
 
        return None
 
    return int(by_id_match.group(1))
 

	
 

	
 
def fix_repo_id_name(path):
 
    """
 
    Rewrite repo_name for _<ID> permanent URLs.
 

	
 
    Given a path, if the first path element is like _<ID>, return the path with
 
    this part expanded to the corresponding full repo name, else return the
 
    provided path.
 
    """
 
    first, rest = path, ''
 
    if '/' in path:
 
        first, rest_ = path.split('/', 1)
 
        rest = '/' + rest_
 
    repo_id = _get_permanent_id(first)
 
    if repo_id is not None:
 
        from kallithea.model.db import Repository
 
        repo = Repository.get(repo_id)
 
        if repo is not None:
 
            return repo.repo_name + rest
 
    return path
 

	
 

	
 
def action_logger(user, action, repo, ipaddr='', commit=False):
 
    """
 
    Action logger for various actions made by users
 

	
 
    :param user: user that made this action, can be a unique username string or
 
        object containing user_id attribute
 
    :param action: action to log, should be on of predefined unique actions for
 
        easy translations
 
    :param repo: string name of repository or object containing repo_id,
 
        that action was made on
 
    :param ipaddr: optional IP address from what the action was made
 

	
 
    """
 

	
 
    # if we don't get explicit IP address try to get one from registered user
 
    # in tmpl context var
 
    if not ipaddr:
 
        ipaddr = getattr(get_current_authuser(), 'ip_addr', '')
 

	
 
    if getattr(user, 'user_id', None):
 
        user_obj = User.get(user.user_id)
 
    elif isinstance(user, basestring):
 
        user_obj = User.get_by_username(user)
 
    else:
 
        raise Exception('You have to provide a user object or a username')
 

	
 
    if getattr(repo, 'repo_id', None):
 
        repo_obj = Repository.get(repo.repo_id)
 
        repo_name = repo_obj.repo_name
 
    elif isinstance(repo, basestring):
 
        repo_name = repo.lstrip('/')
 
        repo_obj = Repository.get_by_repo_name(repo_name)
 
    else:
 
        repo_obj = None
 
        repo_name = u''
 

	
 
    user_log = UserLog()
 
    user_log.user_id = user_obj.user_id
 
    user_log.username = user_obj.username
 
    user_log.action = safe_unicode(action)
 

	
 
    user_log.repository = repo_obj
 
    user_log.repository_name = repo_name
 

	
 
    user_log.action_date = datetime.datetime.now()
 
    user_log.user_ip = ipaddr
 
    meta.Session().add(user_log)
 

	
 
    log.info('Logging action:%s on %s by user:%s ip:%s',
 
             action, safe_unicode(repo), user_obj, ipaddr)
 
    if commit:
 
        meta.Session().commit()
 

	
 

	
 
def get_filesystem_repos(path):
 
    """
 
    Scans given path for repos and return (name,(type,path)) tuple
 

	
 
    :param path: path to scan for repositories
 
    :param recursive: recursive search and return names with subdirs in front
 
    """
 

	
 
    # remove ending slash for better results
 
    path = safe_str(path.rstrip(os.sep))
 
    log.debug('now scanning in %s', path)
 

	
 
    def isdir(*n):
 
        return os.path.isdir(os.path.join(*n))
 

	
 
    for root, dirs, _files in os.walk(path):
 
        recurse_dirs = []
 
        for subdir in dirs:
 
            # skip removed repos
 
            if REMOVED_REPO_PAT.match(subdir):
 
                continue
 

	
 
            # skip .<something> dirs TODO: rly? then we should prevent creating them ...
 
            if subdir.startswith('.'):
 
                continue
 

	
 
            cur_path = os.path.join(root, subdir)
 
            if isdir(cur_path, '.git'):
 
                log.warning('ignoring non-bare Git repo: %s', cur_path)
 
                continue
 

	
 
            if (isdir(cur_path, '.hg') or
 
                isdir(cur_path, '.svn') or
 
                isdir(cur_path, 'objects') and (isdir(cur_path, 'refs') or
 
                                                os.path.isfile(os.path.join(cur_path, 'packed-refs')))):
 

	
 
                if not os.access(cur_path, os.R_OK) or not os.access(cur_path, os.X_OK):
 
                    log.warning('ignoring repo path without access: %s', cur_path)
 
                    continue
 

	
 
                if not os.access(cur_path, os.W_OK):
 
                    log.warning('repo path without write access: %s', cur_path)
 

	
 
                try:
 
                    scm_info = get_scm(cur_path)
 
                    assert cur_path.startswith(path)
 
                    repo_path = cur_path[len(path) + 1:]
 
                    yield repo_path, scm_info
 
                    continue # no recursion
 
                except VCSError:
 
                    # We should perhaps ignore such broken repos, but especially
 
                    # the bare git detection is unreliable so we dive into it
 
                    pass
 

	
 
            recurse_dirs.append(subdir)
 

	
 
        dirs[:] = recurse_dirs
 

	
 

	
 
def is_valid_repo_uri(repo_type, url, ui):
 
    """Check if the url seems like a valid remote repo location - raise an Exception if any problems"""
 
    if repo_type == 'hg':
 
        from kallithea.lib.vcs.backends.hg.repository import MercurialRepository
 
        if url.startswith('http') or url.startswith('ssh'):
 
            # initially check if it's at least the proper URL
 
            # or does it pass basic auth
 
            MercurialRepository._check_url(url, ui)
 
        elif url.startswith('svn+http'):
 
            try:
 
                from hgsubversion.svnrepo import svnremoterepo
 
            except ImportError:
 
                raise HgsubversionImportError(_('Unable to activate hgsubversion support. '
 
                                                'The "hgsubversion" library is missing'))
 
            svnremoterepo(ui, url).svn.uuid
 
        elif url.startswith('git+http'):
 
            raise NotImplementedError()
 
        else:
 
            raise Exception('URI %s not allowed' % (url,))
 

	
 
    elif repo_type == 'git':
 
        from kallithea.lib.vcs.backends.git.repository import GitRepository
 
        if url.startswith('http') or url.startswith('git'):
 
            # initially check if it's at least the proper URL
 
            # or does it pass basic auth
 
            GitRepository._check_url(url)
 
        elif url.startswith('svn+http'):
 
            raise NotImplementedError()
 
        elif url.startswith('hg+http'):
 
            raise NotImplementedError()
 
        else:
 
            raise Exception('URI %s not allowed' % (url))
 

	
 

	
 
def is_valid_repo(repo_name, base_path, scm=None):
 
    """
 
    Returns True if given path is a valid repository False otherwise.
 
    If scm param is given also compare if given scm is the same as expected
 
    from scm parameter
 

	
 
    :param repo_name:
 
    :param base_path:
 
    :param scm:
 

	
 
    :return True: if given path is a valid repository
 
    """
 
    # TODO: paranoid security checks?
 
    full_path = os.path.join(safe_str(base_path), safe_str(repo_name))
 

	
 
    try:
 
        scm_ = get_scm(full_path)
 
        if scm:
 
            return scm_[0] == scm
 
        return True
 
    except VCSError:
 
        return False
 

	
 

	
 
def is_valid_repo_group(repo_group_name, base_path, skip_path_check=False):
 
    """
 
    Returns True if given path is a repository group False otherwise
 

	
 
    :param repo_name:
 
    :param base_path:
 
    """
 
    full_path = os.path.join(safe_str(base_path), safe_str(repo_group_name))
 

	
 
    # check if it's not a repo
 
    if is_valid_repo(repo_group_name, base_path):
 
        return False
 

	
 
    try:
 
        # we need to check bare git repos at higher level
 
        # since we might match branches/hooks/info/objects or possible
 
        # other things inside bare git repo
 
        get_scm(os.path.dirname(full_path))
 
        return False
 
    except VCSError:
 
        pass
 

	
 
    # check if it's a valid path
 
    if skip_path_check or os.path.isdir(full_path):
 
        return True
 

	
 
    return False
 

	
 

	
 
# propagated from mercurial documentation
 
ui_sections = ['alias', 'auth',
 
                'decode/encode', 'defaults',
 
                'diff', 'email',
 
                'extensions', 'format',
 
                'merge-patterns', 'merge-tools',
 
                'hooks', 'http_proxy',
 
                'smtp', 'patch',
 
                'paths', 'profiling',
 
                'server', 'trusted',
 
                'ui', 'web', ]
 

	
 

	
 
def make_ui(repo_path=None, clear_session=True):
 
def make_ui(repo_path=None):
 
    """
 
    Create an Mercurial 'ui' object based on database Ui settings, possibly
 
    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:
 
            ui_val = '' if ui_.ui_value is None else safe_str(ui_.ui_value)
 
            log.debug('config from db: [%s] %s=%r', ui_.ui_section,
 
                      ui_.ui_key, ui_val)
 
            baseui.setconfig(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
 
                             ui_val)
 
    if clear_session:
 
        meta.Session.remove()
 

	
 
    # force set push_ssl requirement to False, Kallithea handles that
 
    baseui.setconfig('web', 'push_ssl', False)
 
    baseui.setconfig('web', 'allow_push', '*')
 
    # prevent interactive questions for ssh password / passphrase
 
    ssh = baseui.config('ui', 'ssh', default='ssh')
 
    baseui.setconfig('ui', 'ssh', '%s -oBatchMode=yes -oIdentitiesOnly=yes' % ssh)
 
    # push / pull hooks
 
    baseui.setconfig('hooks', 'changegroup.kallithea_log_push_action', 'python:kallithea.lib.hooks.log_push_action')
 
    baseui.setconfig('hooks', 'outgoing.kallithea_log_pull_action', 'python:kallithea.lib.hooks.log_pull_action')
 

	
 
    if repo_path is not None:
 
        hgrc_path = os.path.join(repo_path, '.hg', 'hgrc')
 
        if os.path.isfile(hgrc_path):
 
            log.debug('reading hgrc from %s', hgrc_path)
 
            cfg = config.config()
 
            cfg.read(hgrc_path)
 
            for section in ui_sections:
 
                for k, v in cfg.items(section):
 
                    log.debug('config from file: [%s] %s=%s', section, k, v)
 
                    baseui.setconfig(safe_str(section), safe_str(k), safe_str(v))
 
        else:
 
            log.debug('hgrc file is not present at %s, skipping...', hgrc_path)
 

	
 
    return baseui
 

	
 

	
 
def set_app_settings(config):
 
    """
 
    Updates app config with new settings from database
 

	
 
    :param config:
 
    """
 
    hgsettings = Setting.get_app_settings()
 

	
 
    for k, v in hgsettings.items():
 
        config[k] = v
 

	
 

	
 
def set_vcs_config(config):
 
    """
 
    Patch VCS config with some Kallithea specific stuff
 

	
 
    :param config: kallithea.CONFIG
 
    """
 
    from kallithea.lib.vcs import conf
 
    from kallithea.lib.utils2 import aslist
 
    conf.settings.BACKENDS = {
 
        'hg': 'kallithea.lib.vcs.backends.hg.MercurialRepository',
 
        'git': 'kallithea.lib.vcs.backends.git.GitRepository',
 
    }
 

	
 
    conf.settings.GIT_EXECUTABLE_PATH = config.get('git_path', 'git')
 
    conf.settings.GIT_REV_FILTER = config.get('git_rev_filter', '--all').strip()
 
    conf.settings.DEFAULT_ENCODINGS = aslist(config.get('default_encoding',
 
                                                        'utf-8'), sep=',')
 

	
 

	
 
def set_indexer_config(config):
 
    """
 
    Update Whoosh index mapping
 

	
 
    :param config: kallithea.CONFIG
 
    """
 
    from kallithea.config import conf
 

	
 
    log.debug('adding extra into INDEX_EXTENSIONS')
 
    conf.INDEX_EXTENSIONS.extend(re.split(r'\s+', config.get('index.extensions', '')))
 

	
 
    log.debug('adding extra into INDEX_FILENAMES')
 
    conf.INDEX_FILENAMES.extend(re.split(r'\s+', config.get('index.filenames', '')))
 

	
 

	
 
def map_groups(path):
 
    """
 
    Given a full path to a repository, create all nested groups that this
 
    repo is inside. This function creates parent-child relationships between
 
    groups and creates default perms for all new groups.
 

	
 
    :param paths: full path to repository
 
    """
 
    sa = meta.Session()
 
    groups = path.split(Repository.url_sep())
 
    parent = None
 
    group = None
 

	
 
    # last element is repo in nested groups structure
 
    groups = groups[:-1]
 
    rgm = RepoGroupModel()
 
    owner = User.get_first_admin()
 
    for lvl, group_name in enumerate(groups):
 
        group_name = u'/'.join(groups[:lvl] + [group_name])
 
        group = RepoGroup.get_by_group_name(group_name)
 
        desc = '%s group' % group_name
 

	
 
        # skip folders that are now removed repos
 
        if REMOVED_REPO_PAT.match(group_name):
 
            break
 

	
 
        if group is None:
 
            log.debug('creating group level: %s group_name: %s',
 
                      lvl, group_name)
 
            group = RepoGroup(group_name, parent)
 
            group.group_description = desc
 
            group.owner = owner
 
            sa.add(group)
 
            rgm._create_default_perms(group)
 
            sa.flush()
 

	
 
        parent = group
 
    return group
 

	
 

	
 
def repo2db_mapper(initial_repo_list, remove_obsolete=False,
 
                   install_git_hooks=False, user=None, overwrite_git_hooks=False):
 
    """
 
    maps all repos given in initial_repo_list, non existing repositories
 
    are created, if remove_obsolete is True it also check for db entries
 
    that are not in initial_repo_list and removes them.
 

	
 
    :param initial_repo_list: list of repositories found by scanning methods
 
    :param remove_obsolete: check for obsolete entries in database
 
    :param install_git_hooks: if this is True, also check and install git hook
 
        for a repo if missing
 
    :param overwrite_git_hooks: if this is True, overwrite any existing git hooks
 
        that may be encountered (even if user-deployed)
 
    """
 
    from kallithea.model.repo import RepoModel
 
    from kallithea.model.scm import ScmModel
 
    sa = meta.Session()
 
    repo_model = RepoModel()
 
    if user is None:
 
        user = User.get_first_admin()
 
    added = []
 

	
 
    # creation defaults
 
    defs = Setting.get_default_repo_settings(strip_prefix=True)
 
    enable_statistics = defs.get('repo_enable_statistics')
 
    enable_downloads = defs.get('repo_enable_downloads')
 
    private = defs.get('repo_private')
 

	
 
    for name, repo in initial_repo_list.items():
 
        group = map_groups(name)
 
        unicode_name = safe_unicode(name)
 
        db_repo = repo_model.get_by_repo_name(unicode_name)
 
        # found repo that is on filesystem not in Kallithea database
 
        if not db_repo:
 
            log.info('repository %s not found, creating now', name)
 
            added.append(name)
 
            desc = (repo.description
 
                    if repo.description != 'unknown'
 
                    else '%s repository' % name)
 

	
 
            new_repo = repo_model._create_repo(
 
                repo_name=name,
 
                repo_type=repo.alias,
 
                description=desc,
 
                repo_group=getattr(group, 'group_id', None),
 
                owner=user,
 
                enable_downloads=enable_downloads,
 
                enable_statistics=enable_statistics,
 
                private=private,
 
                state=Repository.STATE_CREATED
 
            )
 
            sa.commit()
 
            # we added that repo just now, and make sure it has githook
 
            # installed, and updated server info
 
            if new_repo.repo_type == 'git':
 
                git_repo = new_repo.scm_instance
 
                ScmModel().install_git_hooks(git_repo)
 
                # update repository server-info
 
                log.debug('Running update server info')
 
                git_repo._update_server_info()
 
            new_repo.update_changeset_cache()
 
        elif install_git_hooks:
 
            if db_repo.repo_type == 'git':
 
                ScmModel().install_git_hooks(db_repo.scm_instance, force_create=overwrite_git_hooks)
 

	
 
    removed = []
 
    # remove from database those repositories that are not in the filesystem
 
    unicode_initial_repo_list = set(safe_unicode(name) for name in initial_repo_list)
 
    for repo in sa.query(Repository).all():
 
        if repo.repo_name not in unicode_initial_repo_list:
 
            if remove_obsolete:
 
                log.debug("Removing non-existing repository found in db `%s`",
 
                          repo.repo_name)
 
                try:
 
                    RepoModel().delete(repo, forks='detach', fs_remove=False)
 
                    sa.commit()
 
                except Exception:
 
                    #don't hold further removals on error
 
                    log.error(traceback.format_exc())
 
                    sa.rollback()
 
            removed.append(repo.repo_name)
 
    return added, removed
 

	
 

	
 
def load_rcextensions(root_path):
 
    import kallithea
 
    from kallithea.config import conf
 

	
 
    path = os.path.join(root_path, 'rcextensions', '__init__.py')
 
    if os.path.isfile(path):
 
        rcext = create_module('rc', path)
 
        EXT = kallithea.EXTENSIONS = rcext
 
        log.debug('Found rcextensions now loading %s...', rcext)
 

	
 
        # Additional mappings that are not present in the pygments lexers
 
        conf.LANGUAGES_EXTENSIONS_MAP.update(getattr(EXT, 'EXTRA_MAPPINGS', {}))
 

	
 
        # OVERRIDE OUR EXTENSIONS FROM RC-EXTENSIONS (if present)
 

	
 
        if getattr(EXT, 'INDEX_EXTENSIONS', []):
 
            log.debug('settings custom INDEX_EXTENSIONS')
 
            conf.INDEX_EXTENSIONS = getattr(EXT, 'INDEX_EXTENSIONS', [])
 

	
 
        # ADDITIONAL MAPPINGS
 
        log.debug('adding extra into INDEX_EXTENSIONS')
 
        conf.INDEX_EXTENSIONS.extend(getattr(EXT, 'EXTRA_INDEX_EXTENSIONS', []))
 

	
 
        # auto check if the module is not missing any data, set to default if is
 
        # this will help autoupdate new feature of rcext module
 
        #from kallithea.config import rcextensions
 
        #for k in dir(rcextensions):
 
        #    if not k.startswith('_') and not hasattr(EXT, k):
 
        #        setattr(EXT, k, getattr(rcextensions, k))
 

	
 

	
 
#==============================================================================
 
# MISC
 
#==============================================================================
 

	
 
git_req_ver = StrictVersion('1.7.4')
 

	
 
def check_git_version():
 
    """
 
    Checks what version of git is installed on the system, and raise a system exit
 
    if it's too old for Kallithea to work properly.
 
    """
 
    from kallithea import BACKENDS
 
    from kallithea.lib.vcs.backends.git.repository import GitRepository
 
    from kallithea.lib.vcs.conf import settings
 

	
 
    if 'git' not in BACKENDS:
 
        return None
 

	
 
    if not settings.GIT_EXECUTABLE_PATH:
 
        log.warning('No git executable configured - check "git_path" in the ini file.')
 
        return None
 

	
 
    stdout, stderr = GitRepository._run_git_command(['--version'], _bare=True,
 
                                                    _safe=True)
 

	
 
    if stderr:
 
        log.warning('Error/stderr from "%s --version": %r', settings.GIT_EXECUTABLE_PATH, stderr)
 

	
 
    m = re.search(r"\d+.\d+.\d+", stdout)
 
    if m:
 
        ver = StrictVersion(m.group(0))
 
        log.debug('Git executable: "%s", version %s (parsed from: "%s")',
 
                  settings.GIT_EXECUTABLE_PATH, ver, stdout.strip())
 
        if ver < git_req_ver:
 
            log.error('Kallithea detected %s version %s, which is too old '
 
                      'for the system to function properly. '
 
                      'Please upgrade to version %s or later. '
 
                      'If you strictly need Mercurial repositories, you can '
 
                      'clear the "git_path" setting in the ini file.',
 
                      settings.GIT_EXECUTABLE_PATH, ver, git_req_ver)
 
            log.error("Terminating ...")
 
            sys.exit(1)
 
    else:
 
        ver = StrictVersion('0.0.0')
 
        log.warning('Error finding version number in "%s --version" stdout: %r',
 
                    settings.GIT_EXECUTABLE_PATH, stdout.strip())
 

	
 
    return ver
 

	
 

	
 
#===============================================================================
 
# CACHE RELATED METHODS
 
#===============================================================================
 

	
 
# set cache regions for beaker so celery can utilise it
 
def setup_cache_regions(settings):
 
    # Create dict with just beaker cache configs with prefix stripped
 
    cache_settings = {'regions': None}
 
    prefix = 'beaker.cache.'
 
    for key in settings:
 
        if key.startswith(prefix):
 
            name = key[len(prefix):]
 
            cache_settings[name] = settings[key]
 
    # Find all regions, apply defaults, and apply to beaker
 
    if cache_settings['regions']:
 
        for region in cache_settings['regions'].split(','):
 
            region = region.strip()
 
            prefix = region + '.'
 
            region_settings = {}
 
            for key in cache_settings:
 
                if key.startswith(prefix):
 
                    name = key[len(prefix):]
 
                    region_settings[name] = cache_settings[key]
 
            region_settings.setdefault('expire',
 
                                       cache_settings.get('expire', '60'))
 
            region_settings.setdefault('lock_dir',
 
                                       cache_settings.get('lock_dir'))
 
            region_settings.setdefault('data_dir',
 
                                       cache_settings.get('data_dir'))
 
            region_settings.setdefault('type',
 
                                       cache_settings.get('type', 'memory'))
 
            beaker.cache.cache_regions[region] = region_settings
 

	
 

	
 
def conditional_cache(region, prefix, condition, func):
 
    """
 

	
 
    Conditional caching function use like::
 
        def _c(arg):
 
            #heavy computation function
 
            return data
 

	
 
        # depending from condition the compute is wrapped in cache or not
 
        compute = conditional_cache('short_term', 'cache_desc', condition=True, func=func)
 
        return compute(arg)
 

	
 
    :param region: name of cache region
 
    :param prefix: cache region prefix
 
    :param condition: condition for cache to be triggered, and return data cached
 
    :param func: wrapped heavy function to compute
 

	
 
    """
 
    wrapped = func
 
    if condition:
 
        log.debug('conditional_cache: True, wrapping call of '
 
                  'func: %s into %s region cache' % (region, func))
 
        wrapped = _cache_decorate((prefix,), None, None, region)(func)
 

	
 
    return wrapped
kallithea/model/db.py
Show inline comments
 
@@ -809,769 +809,769 @@ class UserGroup(Base, BaseDbModel):
 
    __tablename__ = 'users_groups'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    users_group_id = Column(Integer(), primary_key=True)
 
    users_group_name = Column(Unicode(255), nullable=False, unique=True)
 
    user_group_description = Column(Unicode(10000), nullable=True) # FIXME: not nullable?
 
    users_group_active = Column(Boolean(), nullable=False)
 
    owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    _group_data = Column("group_data", LargeBinary(), nullable=True)  # JSON data # FIXME: not nullable?
 

	
 
    members = relationship('UserGroupMember', cascade="all, delete-orphan")
 
    users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
 
    users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
    users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
 
    user_user_group_to_perm = relationship('UserUserGroupToPerm ', cascade='all')
 
    user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
 

	
 
    owner = relationship('User')
 

	
 
    @hybrid_property
 
    def group_data(self):
 
        if not self._group_data:
 
            return {}
 

	
 
        try:
 
            return json.loads(self._group_data)
 
        except TypeError:
 
            return {}
 

	
 
    @group_data.setter
 
    def group_data(self, val):
 
        try:
 
            self._group_data = json.dumps(val)
 
        except Exception:
 
            log.error(traceback.format_exc())
 

	
 
    def __unicode__(self):
 
        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
 
                                      self.users_group_id,
 
                                      self.users_group_name)
 

	
 
    @classmethod
 
    def guess_instance(cls, value):
 
        return super(UserGroup, cls).guess_instance(value, UserGroup.get_by_group_name)
 

	
 
    @classmethod
 
    def get_by_group_name(cls, group_name, cache=False,
 
                          case_insensitive=False):
 
        if case_insensitive:
 
            q = cls.query().filter(func.lower(cls.users_group_name) == func.lower(group_name))
 
        else:
 
            q = cls.query().filter(cls.users_group_name == group_name)
 
        if cache:
 
            q = q.options(FromCache(
 
                            "sql_cache_short",
 
                            "get_group_%s" % _hash_key(group_name)
 
                          )
 
            )
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get(cls, user_group_id, cache=False):
 
        user_group = cls.query()
 
        if cache:
 
            user_group = user_group.options(FromCache("sql_cache_short",
 
                                    "get_users_group_%s" % user_group_id))
 
        return user_group.get(user_group_id)
 

	
 
    def get_api_data(self, with_members=True):
 
        user_group = self
 

	
 
        data = dict(
 
            users_group_id=user_group.users_group_id,
 
            group_name=user_group.users_group_name,
 
            group_description=user_group.user_group_description,
 
            active=user_group.users_group_active,
 
            owner=user_group.owner.username,
 
        )
 
        if with_members:
 
            data['members'] = [
 
                ugm.user.get_api_data()
 
                for ugm in user_group.members
 
            ]
 

	
 
        return data
 

	
 

	
 
class UserGroupMember(Base, BaseDbModel):
 
    __tablename__ = 'users_groups_members'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    users_group_member_id = Column(Integer(), primary_key=True)
 
    users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
 

	
 
    user = relationship('User')
 
    users_group = relationship('UserGroup')
 

	
 
    def __init__(self, gr_id='', u_id=''):
 
        self.users_group_id = gr_id
 
        self.user_id = u_id
 

	
 

	
 
class RepositoryField(Base, BaseDbModel):
 
    __tablename__ = 'repositories_fields'
 
    __table_args__ = (
 
        UniqueConstraint('repository_id', 'field_key'),  # no-multi field
 
        _table_args_default_dict,
 
    )
 

	
 
    PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 

	
 
    repo_field_id = Column(Integer(), primary_key=True)
 
    repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
 
    field_key = Column(String(250), nullable=False)
 
    field_label = Column(String(1024), nullable=False)
 
    field_value = Column(String(10000), nullable=False)
 
    field_desc = Column(String(1024), nullable=False)
 
    field_type = Column(String(255), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 

	
 
    repository = relationship('Repository')
 

	
 
    @property
 
    def field_key_prefixed(self):
 
        return 'ex_%s' % self.field_key
 

	
 
    @classmethod
 
    def un_prefix_key(cls, key):
 
        if key.startswith(cls.PREFIX):
 
            return key[len(cls.PREFIX):]
 
        return key
 

	
 
    @classmethod
 
    def get_by_key_name(cls, key, repo):
 
        row = cls.query() \
 
                .filter(cls.repository == repo) \
 
                .filter(cls.field_key == key).scalar()
 
        return row
 

	
 

	
 
class Repository(Base, BaseDbModel):
 
    __tablename__ = 'repositories'
 
    __table_args__ = (
 
        Index('r_repo_name_idx', 'repo_name'),
 
        _table_args_default_dict,
 
    )
 

	
 
    DEFAULT_CLONE_URI = '{scheme}://{user}@{netloc}/{repo}'
 
    DEFAULT_CLONE_SSH = 'ssh://{system_user}@{hostname}/{repo}'
 

	
 
    STATE_CREATED = u'repo_state_created'
 
    STATE_PENDING = u'repo_state_pending'
 
    STATE_ERROR = u'repo_state_error'
 

	
 
    repo_id = Column(Integer(), primary_key=True)
 
    repo_name = Column(Unicode(255), nullable=False, unique=True)
 
    repo_state = Column(String(255), nullable=False)
 

	
 
    clone_uri = Column(String(255), nullable=True) # FIXME: not nullable?
 
    repo_type = Column(String(255), nullable=False) # 'hg' or 'git'
 
    owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
 
    private = Column(Boolean(), nullable=False)
 
    enable_statistics = Column("statistics", Boolean(), nullable=False, default=True)
 
    enable_downloads = Column("downloads", Boolean(), nullable=False, default=True)
 
    description = Column(Unicode(10000), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    updated_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    _landing_revision = Column("landing_revision", String(255), nullable=False)
 
    _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) # JSON data # FIXME: not nullable?
 

	
 
    fork_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
 
    group_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=True)
 

	
 
    owner = relationship('User')
 
    fork = relationship('Repository', remote_side=repo_id)
 
    group = relationship('RepoGroup')
 
    repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
 
    users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
 
    stats = relationship('Statistics', cascade='all', uselist=False)
 

	
 
    followers = relationship('UserFollowing',
 
                             primaryjoin='UserFollowing.follows_repository_id==Repository.repo_id',
 
                             cascade='all')
 
    extra_fields = relationship('RepositoryField',
 
                                cascade="all, delete-orphan")
 

	
 
    logs = relationship('UserLog')
 
    comments = relationship('ChangesetComment', cascade="all, delete-orphan")
 

	
 
    pull_requests_org = relationship('PullRequest',
 
                    primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
 
                    cascade="all, delete-orphan")
 

	
 
    pull_requests_other = relationship('PullRequest',
 
                    primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
 
                    cascade="all, delete-orphan")
 

	
 
    def __unicode__(self):
 
        return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
 
                                   safe_unicode(self.repo_name))
 

	
 
    @hybrid_property
 
    def landing_rev(self):
 
        # always should return [rev_type, rev]
 
        if self._landing_revision:
 
            _rev_info = self._landing_revision.split(':')
 
            if len(_rev_info) < 2:
 
                _rev_info.insert(0, 'rev')
 
            return [_rev_info[0], _rev_info[1]]
 
        return [None, None]
 

	
 
    @landing_rev.setter
 
    def landing_rev(self, val):
 
        if ':' not in val:
 
            raise ValueError('value must be delimited with `:` and consist '
 
                             'of <rev_type>:<rev>, got %s instead' % val)
 
        self._landing_revision = val
 

	
 
    @hybrid_property
 
    def changeset_cache(self):
 
        try:
 
            cs_cache = json.loads(self._changeset_cache) # might raise on bad data
 
            cs_cache['raw_id'] # verify data, raise exception on error
 
            return cs_cache
 
        except (TypeError, KeyError, ValueError):
 
            return EmptyChangeset().__json__()
 

	
 
    @changeset_cache.setter
 
    def changeset_cache(self, val):
 
        try:
 
            self._changeset_cache = json.dumps(val)
 
        except Exception:
 
            log.error(traceback.format_exc())
 

	
 
    @classmethod
 
    def query(cls, sorted=False):
 
        """Add Repository-specific helpers for common query constructs.
 

	
 
        sorted: if True, apply the default ordering (name, case insensitive).
 
        """
 
        q = super(Repository, cls).query()
 

	
 
        if sorted:
 
            q = q.order_by(func.lower(Repository.repo_name))
 

	
 
        return q
 

	
 
    @classmethod
 
    def url_sep(cls):
 
        return URL_SEP
 

	
 
    @classmethod
 
    def normalize_repo_name(cls, repo_name):
 
        """
 
        Normalizes os specific repo_name to the format internally stored inside
 
        database using URL_SEP
 

	
 
        :param cls:
 
        :param repo_name:
 
        """
 
        return cls.url_sep().join(repo_name.split(os.sep))
 

	
 
    @classmethod
 
    def guess_instance(cls, value):
 
        return super(Repository, cls).guess_instance(value, Repository.get_by_repo_name)
 

	
 
    @classmethod
 
    def get_by_repo_name(cls, repo_name, case_insensitive=False):
 
        """Get the repo, defaulting to database case sensitivity.
 
        case_insensitive will be slower and should only be specified if necessary."""
 
        if case_insensitive:
 
            q = Session().query(cls).filter(func.lower(cls.repo_name) == func.lower(repo_name))
 
        else:
 
            q = Session().query(cls).filter(cls.repo_name == repo_name)
 
        q = q.options(joinedload(Repository.fork)) \
 
                .options(joinedload(Repository.owner)) \
 
                .options(joinedload(Repository.group))
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get_by_full_path(cls, repo_full_path):
 
        base_full_path = os.path.realpath(cls.base_path())
 
        repo_full_path = os.path.realpath(repo_full_path)
 
        assert repo_full_path.startswith(base_full_path + os.path.sep)
 
        repo_name = repo_full_path[len(base_full_path) + 1:]
 
        repo_name = cls.normalize_repo_name(repo_name)
 
        return cls.get_by_repo_name(repo_name.strip(URL_SEP))
 

	
 
    @classmethod
 
    def get_repo_forks(cls, repo_id):
 
        return cls.query().filter(Repository.fork_id == repo_id)
 

	
 
    @classmethod
 
    def base_path(cls):
 
        """
 
        Returns base path where all repos are stored
 

	
 
        :param cls:
 
        """
 
        q = Session().query(Ui) \
 
            .filter(Ui.ui_key == cls.url_sep())
 
        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
 
        return q.one().ui_value
 

	
 
    @property
 
    def forks(self):
 
        """
 
        Return forks of this repo
 
        """
 
        return Repository.get_repo_forks(self.repo_id)
 

	
 
    @property
 
    def parent(self):
 
        """
 
        Returns fork parent
 
        """
 
        return self.fork
 

	
 
    @property
 
    def just_name(self):
 
        return self.repo_name.split(Repository.url_sep())[-1]
 

	
 
    @property
 
    def groups_with_parents(self):
 
        groups = []
 
        group = self.group
 
        while group is not None:
 
            groups.append(group)
 
            group = group.parent_group
 
            assert group not in groups, group # avoid recursion on bad db content
 
        groups.reverse()
 
        return groups
 

	
 
    @LazyProperty
 
    def repo_path(self):
 
        """
 
        Returns base full path for that repository means where it actually
 
        exists on a filesystem
 
        """
 
        q = Session().query(Ui).filter(Ui.ui_key ==
 
                                              Repository.url_sep())
 
        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
 
        return q.one().ui_value
 

	
 
    @property
 
    def repo_full_path(self):
 
        p = [self.repo_path]
 
        # we need to split the name by / since this is how we store the
 
        # names in the database, but that eventually needs to be converted
 
        # into a valid system path
 
        p += self.repo_name.split(Repository.url_sep())
 
        return os.path.join(*map(safe_unicode, p))
 

	
 
    @property
 
    def cache_keys(self):
 
        """
 
        Returns associated cache keys for that repo
 
        """
 
        return CacheInvalidation.query() \
 
            .filter(CacheInvalidation.cache_args == self.repo_name) \
 
            .order_by(CacheInvalidation.cache_key) \
 
            .all()
 

	
 
    def get_new_name(self, repo_name):
 
        """
 
        returns new full repository name based on assigned group and new new
 

	
 
        :param group_name:
 
        """
 
        path_prefix = self.group.full_path_splitted if self.group else []
 
        return Repository.url_sep().join(path_prefix + [repo_name])
 

	
 
    @property
 
    def _ui(self):
 
        """
 
        Creates an db based ui object for this repository
 
        """
 
        from kallithea.lib.utils import make_ui
 
        return make_ui(clear_session=False)
 
        return make_ui()
 

	
 
    @classmethod
 
    def is_valid(cls, repo_name):
 
        """
 
        returns True if given repo name is a valid filesystem repository
 

	
 
        :param cls:
 
        :param repo_name:
 
        """
 
        from kallithea.lib.utils import is_valid_repo
 

	
 
        return is_valid_repo(repo_name, cls.base_path())
 

	
 
    def get_api_data(self, with_revision_names=False,
 
                           with_pullrequests=False):
 
        """
 
        Common function for generating repo api data.
 
        Optionally, also return tags, branches, bookmarks and PRs.
 
        """
 
        repo = self
 
        data = dict(
 
            repo_id=repo.repo_id,
 
            repo_name=repo.repo_name,
 
            repo_type=repo.repo_type,
 
            clone_uri=repo.clone_uri,
 
            private=repo.private,
 
            created_on=repo.created_on,
 
            description=repo.description,
 
            landing_rev=repo.landing_rev,
 
            owner=repo.owner.username,
 
            fork_of=repo.fork.repo_name if repo.fork else None,
 
            enable_statistics=repo.enable_statistics,
 
            enable_downloads=repo.enable_downloads,
 
            last_changeset=repo.changeset_cache,
 
        )
 
        if with_revision_names:
 
            scm_repo = repo.scm_instance_no_cache()
 
            data.update(dict(
 
                tags=scm_repo.tags,
 
                branches=scm_repo.branches,
 
                bookmarks=scm_repo.bookmarks,
 
            ))
 
        if with_pullrequests:
 
            data['pull_requests'] = repo.pull_requests_other
 
        rc_config = Setting.get_app_settings()
 
        repository_fields = str2bool(rc_config.get('repository_fields'))
 
        if repository_fields:
 
            for f in self.extra_fields:
 
                data[f.field_key_prefixed] = f.field_value
 

	
 
        return data
 

	
 
    @property
 
    def last_db_change(self):
 
        return self.updated_on
 

	
 
    @property
 
    def clone_uri_hidden(self):
 
        clone_uri = self.clone_uri
 
        if clone_uri:
 
            import urlobject
 
            url_obj = urlobject.URLObject(self.clone_uri)
 
            if url_obj.password:
 
                clone_uri = url_obj.with_password('*****')
 
        return clone_uri
 

	
 
    def clone_url(self, clone_uri_tmpl, with_id=False, username=None):
 
        if '{repo}' not in clone_uri_tmpl and '_{repoid}' not in clone_uri_tmpl:
 
            log.error("Configured clone_uri_tmpl %r has no '{repo}' or '_{repoid}' and cannot toggle to use repo id URLs", clone_uri_tmpl)
 
        elif with_id:
 
            clone_uri_tmpl = clone_uri_tmpl.replace('{repo}', '_{repoid}')
 
        else:
 
            clone_uri_tmpl = clone_uri_tmpl.replace('_{repoid}', '{repo}')
 

	
 
        import kallithea.lib.helpers as h
 
        prefix_url = h.canonical_url('home')
 

	
 
        return get_clone_url(clone_uri_tmpl=clone_uri_tmpl,
 
                             prefix_url=prefix_url,
 
                             repo_name=self.repo_name,
 
                             repo_id=self.repo_id,
 
                             username=username)
 

	
 
    def set_state(self, state):
 
        self.repo_state = state
 

	
 
    #==========================================================================
 
    # SCM PROPERTIES
 
    #==========================================================================
 

	
 
    def get_changeset(self, rev=None):
 
        return get_changeset_safe(self.scm_instance, rev)
 

	
 
    def get_landing_changeset(self):
 
        """
 
        Returns landing changeset, or if that doesn't exist returns the tip
 
        """
 
        _rev_type, _rev = self.landing_rev
 
        cs = self.get_changeset(_rev)
 
        if isinstance(cs, EmptyChangeset):
 
            return self.get_changeset()
 
        return cs
 

	
 
    def update_changeset_cache(self, cs_cache=None):
 
        """
 
        Update cache of last changeset for repository, keys should be::
 

	
 
            short_id
 
            raw_id
 
            revision
 
            message
 
            date
 
            author
 

	
 
        :param cs_cache:
 
        """
 
        from kallithea.lib.vcs.backends.base import BaseChangeset
 
        if cs_cache is None:
 
            cs_cache = EmptyChangeset()
 
            # use no-cache version here
 
            scm_repo = self.scm_instance_no_cache()
 
            if scm_repo:
 
                cs_cache = scm_repo.get_changeset()
 

	
 
        if isinstance(cs_cache, BaseChangeset):
 
            cs_cache = cs_cache.__json__()
 

	
 
        if (not self.changeset_cache or cs_cache['raw_id'] != self.changeset_cache['raw_id']):
 
            _default = datetime.datetime.fromtimestamp(0)
 
            last_change = cs_cache.get('date') or _default
 
            log.debug('updated repo %s with new cs cache %s',
 
                      self.repo_name, cs_cache)
 
            self.updated_on = last_change
 
            self.changeset_cache = cs_cache
 
            Session().commit()
 
        else:
 
            log.debug('changeset_cache for %s already up to date with %s',
 
                      self.repo_name, cs_cache['raw_id'])
 

	
 
    @property
 
    def tip(self):
 
        return self.get_changeset('tip')
 

	
 
    @property
 
    def author(self):
 
        return self.tip.author
 

	
 
    @property
 
    def last_change(self):
 
        return self.scm_instance.last_change
 

	
 
    def get_comments(self, revisions=None):
 
        """
 
        Returns comments for this repository grouped by revisions
 

	
 
        :param revisions: filter query by revisions only
 
        """
 
        cmts = ChangesetComment.query() \
 
            .filter(ChangesetComment.repo == self)
 
        if revisions is not None:
 
            if not revisions:
 
                return {} # don't use sql 'in' on empty set
 
            cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
 
        grouped = collections.defaultdict(list)
 
        for cmt in cmts.all():
 
            grouped[cmt.revision].append(cmt)
 
        return grouped
 

	
 
    def statuses(self, revisions):
 
        """
 
        Returns statuses for this repository.
 
        PRs without any votes do _not_ show up as unreviewed.
 

	
 
        :param revisions: list of revisions to get statuses for
 
        """
 
        if not revisions:
 
            return {}
 

	
 
        statuses = ChangesetStatus.query() \
 
            .filter(ChangesetStatus.repo == self) \
 
            .filter(ChangesetStatus.version == 0) \
 
            .filter(ChangesetStatus.revision.in_(revisions))
 

	
 
        grouped = {}
 
        for stat in statuses.all():
 
            pr_id = pr_nice_id = pr_repo = None
 
            if stat.pull_request:
 
                pr_id = stat.pull_request.pull_request_id
 
                pr_nice_id = PullRequest.make_nice_id(pr_id)
 
                pr_repo = stat.pull_request.other_repo.repo_name
 
            grouped[stat.revision] = [str(stat.status), stat.status_lbl,
 
                                      pr_id, pr_repo, pr_nice_id,
 
                                      stat.author]
 
        return grouped
 

	
 
    def _repo_size(self):
 
        from kallithea.lib import helpers as h
 
        log.debug('calculating repository size...')
 
        return h.format_byte_size(self.scm_instance.size)
 

	
 
    #==========================================================================
 
    # SCM CACHE INSTANCE
 
    #==========================================================================
 

	
 
    def set_invalidate(self):
 
        """
 
        Mark caches of this repo as invalid.
 
        """
 
        CacheInvalidation.set_invalidate(self.repo_name)
 

	
 
    _scm_instance = None
 

	
 
    @property
 
    def scm_instance(self):
 
        if self._scm_instance is None:
 
            self._scm_instance = self.scm_instance_cached()
 
        return self._scm_instance
 

	
 
    def scm_instance_cached(self, valid_cache_keys=None):
 
        @cache_region('long_term', 'scm_instance_cached')
 
        def _c(repo_name): # repo_name is just for the cache key
 
            log.debug('Creating new %s scm_instance and populating cache', repo_name)
 
            return self.scm_instance_no_cache()
 
        rn = self.repo_name
 

	
 
        valid = CacheInvalidation.test_and_set_valid(rn, None, valid_cache_keys=valid_cache_keys)
 
        if not valid:
 
            log.debug('Cache for %s invalidated, getting new object', rn)
 
            region_invalidate(_c, None, 'scm_instance_cached', rn)
 
        else:
 
            log.debug('Trying to get scm_instance of %s from cache', rn)
 
        return _c(rn)
 

	
 
    def scm_instance_no_cache(self):
 
        repo_full_path = safe_str(self.repo_full_path)
 
        alias = get_scm(repo_full_path)[0]
 
        log.debug('Creating instance of %s repository from %s',
 
                  alias, self.repo_full_path)
 
        backend = get_backend(alias)
 

	
 
        if alias == 'hg':
 
            repo = backend(repo_full_path, create=False,
 
                           baseui=self._ui)
 
        else:
 
            repo = backend(repo_full_path, create=False)
 

	
 
        return repo
 

	
 
    def __json__(self):
 
        return dict(
 
            repo_id=self.repo_id,
 
            repo_name=self.repo_name,
 
            landing_rev=self.landing_rev,
 
        )
 

	
 

	
 
class RepoGroup(Base, BaseDbModel):
 
    __tablename__ = 'groups'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    SEP = ' &raquo; '
 

	
 
    group_id = Column(Integer(), primary_key=True)
 
    group_name = Column(Unicode(255), nullable=False, unique=True) # full path
 
    parent_group_id = Column('group_parent_id', Integer(), ForeignKey('groups.group_id'), nullable=True)
 
    group_description = Column(Unicode(10000), nullable=False)
 
    owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 

	
 
    repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
 
    users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
 
    parent_group = relationship('RepoGroup', remote_side=group_id)
 
    owner = relationship('User')
 

	
 
    @classmethod
 
    def query(cls, sorted=False):
 
        """Add RepoGroup-specific helpers for common query constructs.
 

	
 
        sorted: if True, apply the default ordering (name, case insensitive).
 
        """
 
        q = super(RepoGroup, cls).query()
 

	
 
        if sorted:
 
            q = q.order_by(func.lower(RepoGroup.group_name))
 

	
 
        return q
 

	
 
    def __init__(self, group_name='', parent_group=None):
 
        self.group_name = group_name
 
        self.parent_group = parent_group
 

	
 
    def __unicode__(self):
 
        return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
 
                                      self.group_name)
 

	
 
    @classmethod
 
    def _generate_choice(cls, repo_group):
 
        """Return tuple with group_id and name as html literal"""
 
        from webhelpers2.html import literal
 
        if repo_group is None:
 
            return (-1, u'-- %s --' % _('top level'))
 
        return repo_group.group_id, literal(cls.SEP.join(repo_group.full_path_splitted))
 

	
 
    @classmethod
 
    def groups_choices(cls, groups):
 
        """Return tuples with group_id and name as html literal."""
 
        return sorted((cls._generate_choice(g) for g in groups),
 
                      key=lambda c: c[1].split(cls.SEP))
 

	
 
    @classmethod
 
    def url_sep(cls):
 
        return URL_SEP
 

	
 
    @classmethod
 
    def guess_instance(cls, value):
 
        return super(RepoGroup, cls).guess_instance(value, RepoGroup.get_by_group_name)
 

	
 
    @classmethod
 
    def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
 
        group_name = group_name.rstrip('/')
 
        if case_insensitive:
 
            gr = cls.query() \
 
                .filter(func.lower(cls.group_name) == func.lower(group_name))
 
        else:
 
            gr = cls.query() \
 
                .filter(cls.group_name == group_name)
 
        if cache:
 
            gr = gr.options(FromCache(
 
                            "sql_cache_short",
 
                            "get_group_%s" % _hash_key(group_name)
 
                            )
 
            )
 
        return gr.scalar()
 

	
 
    @property
 
    def parents(self):
 
        groups = []
 
        group = self.parent_group
 
        while group is not None:
 
            groups.append(group)
 
            group = group.parent_group
 
            assert group not in groups, group # avoid recursion on bad db content
 
        groups.reverse()
 
        return groups
 

	
 
    @property
 
    def children(self):
 
        return RepoGroup.query().filter(RepoGroup.parent_group == self)
 

	
 
    @property
 
    def name(self):
 
        return self.group_name.split(RepoGroup.url_sep())[-1]
 

	
 
    @property
 
    def full_path(self):
 
        return self.group_name
 

	
 
    @property
 
    def full_path_splitted(self):
 
        return self.group_name.split(RepoGroup.url_sep())
 

	
 
    @property
 
    def repositories(self):
 
        return Repository.query(sorted=True).filter_by(group=self)
 

	
 
    @property
 
    def repositories_recursive_count(self):
 
        cnt = self.repositories.count()
 

	
 
        def children_count(group):
 
            cnt = 0
 
            for child in group.children:
 
                cnt += child.repositories.count()
 
                cnt += children_count(child)
 
            return cnt
 

	
 
        return cnt + children_count(self)
 

	
 
    def _recursive_objects(self, include_repos=True):
 
        all_ = []
 

	
 
        def _get_members(root_gr):
kallithea/model/repo.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# 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/>.
 
"""
 
kallithea.model.repo
 
~~~~~~~~~~~~~~~~~~~~
 

	
 
Repository model for kallithea
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Jun 5, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 

	
 
"""
 

	
 
import logging
 
import os
 
import shutil
 
import traceback
 
from datetime import datetime
 

	
 
import kallithea.lib.utils2
 
from kallithea.lib import helpers as h
 
from kallithea.lib.auth import HasRepoPermissionLevel, HasUserGroupPermissionLevel
 
from kallithea.lib.caching_query import FromCache
 
from kallithea.lib.exceptions import AttachedForksError
 
from kallithea.lib.hooks import log_delete_repository
 
from kallithea.lib.utils import is_valid_repo_uri, make_ui
 
from kallithea.lib.utils2 import LazyProperty, get_current_authuser, obfuscate_url_pw, remove_prefix, safe_str, safe_unicode
 
from kallithea.lib.vcs.backends import get_backend
 
from kallithea.model.db import (
 
    Permission, RepoGroup, Repository, RepositoryField, Session, Statistics, Ui, User, UserGroup, UserGroupRepoGroupToPerm, UserGroupRepoToPerm, UserRepoGroupToPerm, UserRepoToPerm)
 

	
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class RepoModel(object):
 

	
 
    URL_SEPARATOR = Repository.url_sep()
 

	
 
    def _create_default_perms(self, repository, private):
 
        # create default permission
 
        default = 'repository.read'
 
        def_user = User.get_default_user()
 
        for p in def_user.user_perms:
 
            if p.permission.permission_name.startswith('repository.'):
 
                default = p.permission.permission_name
 
                break
 

	
 
        default_perm = 'repository.none' if private else default
 

	
 
        repo_to_perm = UserRepoToPerm()
 
        repo_to_perm.permission = Permission.get_by_key(default_perm)
 

	
 
        repo_to_perm.repository = repository
 
        repo_to_perm.user_id = def_user.user_id
 
        Session().add(repo_to_perm)
 

	
 
        return repo_to_perm
 

	
 
    @LazyProperty
 
    def repos_path(self):
 
        """
 
        Gets the repositories root path from database
 
        """
 

	
 
        q = Ui.query().filter(Ui.ui_key == '/').one()
 
        return q.ui_value
 

	
 
    def get(self, repo_id, cache=False):
 
        repo = Repository.query() \
 
            .filter(Repository.repo_id == repo_id)
 

	
 
        if cache:
 
            repo = repo.options(FromCache("sql_cache_short",
 
                                          "get_repo_%s" % repo_id))
 
        return repo.scalar()
 

	
 
    def get_repo(self, repository):
 
        return Repository.guess_instance(repository)
 

	
 
    def get_by_repo_name(self, repo_name, cache=False):
 
        repo = Repository.query() \
 
            .filter(Repository.repo_name == repo_name)
 

	
 
        if cache:
 
            repo = repo.options(FromCache("sql_cache_short",
 
                                          "get_repo_%s" % repo_name))
 
        return repo.scalar()
 

	
 
    def get_all_user_repos(self, user):
 
        """
 
        Gets all repositories that user have at least read access
 

	
 
        :param user:
 
        """
 
        from kallithea.lib.auth import AuthUser
 
        user = User.guess_instance(user)
 
        repos = AuthUser(dbuser=user).permissions['repositories']
 
        access_check = lambda r: r[1] in ['repository.read',
 
                                          'repository.write',
 
                                          'repository.admin']
 
        repos = [x[0] for x in filter(access_check, repos.items())]
 
        return Repository.query().filter(Repository.repo_name.in_(repos))
 

	
 
    @classmethod
 
    def _render_datatable(cls, tmpl, *args, **kwargs):
 
        import kallithea
 
        from tg import tmpl_context as c, request, app_globals
 
        from tg.i18n import ugettext as _
 

	
 
        _tmpl_lookup = app_globals.mako_lookup
 
        template = _tmpl_lookup.get_template('data_table/_dt_elements.html')
 

	
 
        tmpl = template.get_def(tmpl)
 
        kwargs.update(dict(_=_, h=h, c=c, request=request))
 
        return tmpl.render(*args, **kwargs)
 

	
 
    def get_repos_as_dict(self, repos_list, repo_groups_list=None,
 
                          admin=False,
 
                          short_name=False):
 
        """Return repository list for use by DataTable.
 
        repos_list: list of repositories - but will be filtered for read permission.
 
        repo_groups_list: added at top of list without permission check.
 
        admin: return data for action column.
 
        """
 
        _render = self._render_datatable
 
        from tg import tmpl_context as c
 

	
 
        def repo_lnk(name, rtype, rstate, private, fork_of):
 
            return _render('repo_name', name, rtype, rstate, private, fork_of,
 
                           short_name=short_name)
 

	
 
        def last_change(last_change):
 
            return _render("last_change", last_change)
 

	
 
        def rss_lnk(repo_name):
 
            return _render("rss", repo_name)
 

	
 
        def atom_lnk(repo_name):
 
            return _render("atom", repo_name)
 

	
 
        def last_rev(repo_name, cs_cache):
 
            return _render('revision', repo_name, cs_cache.get('revision'),
 
                           cs_cache.get('raw_id'), cs_cache.get('author'),
 
                           cs_cache.get('message'))
 

	
 
        def desc(desc):
 
            return h.urlify_text(desc, truncate=80, stylize=c.visual.stylify_metalabels)
 

	
 
        def state(repo_state):
 
            return _render("repo_state", repo_state)
 

	
 
        def repo_actions(repo_name):
 
            return _render('repo_actions', repo_name)
 

	
 
        def owner_actions(owner_id, username):
 
            return _render('user_name', owner_id, username)
 

	
 
        repos_data = []
 

	
 
        for gr in repo_groups_list or []:
 
            repos_data.append(dict(
 
                raw_name='\0' + gr.name, # sort before repositories
 
                just_name=gr.name,
 
                name=_render('group_name_html', group_name=gr.group_name, name=gr.name),
 
                desc=gr.group_description))
 

	
 
        for repo in repos_list:
 
            if not HasRepoPermissionLevel('read')(repo.repo_name, 'get_repos_as_dict check'):
 
                continue
 
            cs_cache = repo.changeset_cache
 
            row = {
 
                "raw_name": repo.repo_name,
 
                "just_name": repo.just_name,
 
                "name": repo_lnk(repo.repo_name, repo.repo_type,
 
                                 repo.repo_state, repo.private, repo.fork),
 
                "last_change_iso": repo.last_db_change.isoformat(),
 
                "last_change": last_change(repo.last_db_change),
 
                "last_changeset": last_rev(repo.repo_name, cs_cache),
 
                "last_rev_raw": cs_cache.get('revision'),
 
                "desc": desc(repo.description),
 
                "owner": h.person(repo.owner),
 
                "state": state(repo.repo_state),
 
                "rss": rss_lnk(repo.repo_name),
 
                "atom": atom_lnk(repo.repo_name),
 
            }
 
            if admin:
 
                row.update({
 
                    "action": repo_actions(repo.repo_name),
 
                    "owner": owner_actions(repo.owner_id,
 
                                           h.person(repo.owner))
 
                })
 
            repos_data.append(row)
 

	
 
        return {
 
            "sort": "name",
 
            "dir": "asc",
 
            "records": repos_data
 
        }
 

	
 
    def _get_defaults(self, repo_name):
 
        """
 
        Gets information about repository, and returns a dict for
 
        usage in forms
 

	
 
        :param repo_name:
 
        """
 

	
 
        repo_info = Repository.get_by_repo_name(repo_name)
 

	
 
        if repo_info is None:
 
            return None
 

	
 
        defaults = repo_info.get_dict()
 
        defaults['repo_name'] = repo_info.just_name
 
        defaults['repo_group'] = repo_info.group_id
 

	
 
        for strip, k in [(0, 'repo_type'), (1, 'repo_enable_downloads'),
 
                         (1, 'repo_description'),
 
                         (1, 'repo_landing_rev'), (0, 'clone_uri'),
 
                         (1, 'repo_private'), (1, 'repo_enable_statistics')]:
 
            attr = k
 
            if strip:
 
                attr = remove_prefix(k, 'repo_')
 

	
 
            val = defaults[attr]
 
            if k == 'repo_landing_rev':
 
                val = ':'.join(defaults[attr])
 
            defaults[k] = val
 
            if k == 'clone_uri':
 
                defaults['clone_uri_hidden'] = repo_info.clone_uri_hidden
 

	
 
        # fill owner
 
        if repo_info.owner:
 
            defaults.update({'owner': repo_info.owner.username})
 
        else:
 
            replacement_user = User.query().filter(User.admin ==
 
                                                   True).first().username
 
            defaults.update({'owner': replacement_user})
 

	
 
        # fill repository users
 
        for p in repo_info.repo_to_perm:
 
            defaults.update({'u_perm_%s' % p.user.username:
 
                                 p.permission.permission_name})
 

	
 
        # fill repository groups
 
        for p in repo_info.users_group_to_perm:
 
            defaults.update({'g_perm_%s' % p.users_group.users_group_name:
 
                                 p.permission.permission_name})
 

	
 
        return defaults
 

	
 
    def update(self, repo, **kwargs):
 
        try:
 
            cur_repo = Repository.guess_instance(repo)
 
            org_repo_name = cur_repo.repo_name
 
            if 'owner' in kwargs:
 
                cur_repo.owner = User.get_by_username(kwargs['owner'])
 

	
 
            if 'repo_group' in kwargs:
 
                assert kwargs['repo_group'] != u'-1', kwargs # RepoForm should have converted to None
 
                cur_repo.group = RepoGroup.get(kwargs['repo_group'])
 
                cur_repo.repo_name = cur_repo.get_new_name(cur_repo.just_name)
 
            log.debug('Updating repo %s with params:%s', cur_repo, kwargs)
 
            for k in ['repo_enable_downloads',
 
                      'repo_description',
 
                      'repo_landing_rev',
 
                      'repo_private',
 
                      'repo_enable_statistics',
 
                      ]:
 
                if k in kwargs:
 
                    setattr(cur_repo, remove_prefix(k, 'repo_'), kwargs[k])
 
            clone_uri = kwargs.get('clone_uri')
 
            if clone_uri is not None and clone_uri != cur_repo.clone_uri_hidden:
 
                # clone_uri is modified - if given a value, check it is valid
 
                if clone_uri != '':
 
                    # will raise exception on error
 
                    is_valid_repo_uri(cur_repo.repo_type, clone_uri, make_ui(clear_session=False))
 
                    is_valid_repo_uri(cur_repo.repo_type, clone_uri, make_ui())
 
                cur_repo.clone_uri = clone_uri
 

	
 
            if 'repo_name' in kwargs:
 
                repo_name = kwargs['repo_name']
 
                if kallithea.lib.utils2.repo_name_slug(repo_name) != repo_name:
 
                    raise Exception('invalid repo name %s' % repo_name)
 
                cur_repo.repo_name = cur_repo.get_new_name(repo_name)
 

	
 
            # if private flag is set, reset default permission to NONE
 
            if kwargs.get('repo_private'):
 
                EMPTY_PERM = 'repository.none'
 
                RepoModel().grant_user_permission(
 
                    repo=cur_repo, user='default', perm=EMPTY_PERM
 
                )
 
                # handle extra fields
 
            for field in filter(lambda k: k.startswith(RepositoryField.PREFIX),
 
                                kwargs):
 
                k = RepositoryField.un_prefix_key(field)
 
                ex_field = RepositoryField.get_by_key_name(key=k, repo=cur_repo)
 
                if ex_field:
 
                    ex_field.field_value = kwargs[field]
 

	
 
            if org_repo_name != cur_repo.repo_name:
 
                # rename repository
 
                self._rename_filesystem_repo(old=org_repo_name, new=cur_repo.repo_name)
 

	
 
            return cur_repo
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            raise
 

	
 
    def _create_repo(self, repo_name, repo_type, description, owner,
 
                     private=False, clone_uri=None, repo_group=None,
 
                     landing_rev='rev:tip', fork_of=None,
 
                     copy_fork_permissions=False, enable_statistics=False,
 
                     enable_downloads=False,
 
                     copy_group_permissions=False, state=Repository.STATE_PENDING):
 
        """
 
        Create repository inside database with PENDING state. This should only be
 
        executed by create() repo, with exception of importing existing repos.
 

	
 
        """
 
        from kallithea.model.scm import ScmModel
 

	
 
        owner = User.guess_instance(owner)
 
        fork_of = Repository.guess_instance(fork_of)
 
        repo_group = RepoGroup.guess_instance(repo_group)
 
        try:
 
            repo_name = safe_unicode(repo_name)
 
            description = safe_unicode(description)
 
            # repo name is just a name of repository
 
            # while repo_name_full is a full qualified name that is combined
 
            # with name and path of group
 
            repo_name_full = repo_name
 
            repo_name = repo_name.split(self.URL_SEPARATOR)[-1]
 
            if kallithea.lib.utils2.repo_name_slug(repo_name) != repo_name:
 
                raise Exception('invalid repo name %s' % repo_name)
 

	
 
            new_repo = Repository()
 
            new_repo.repo_state = state
 
            new_repo.enable_statistics = False
 
            new_repo.repo_name = repo_name_full
 
            new_repo.repo_type = repo_type
 
            new_repo.owner = owner
 
            new_repo.group = repo_group
 
            new_repo.description = description or repo_name
 
            new_repo.private = private
 
            if clone_uri:
 
                # will raise exception on error
 
                is_valid_repo_uri(repo_type, clone_uri, make_ui(clear_session=False))
 
                is_valid_repo_uri(repo_type, clone_uri, make_ui())
 
            new_repo.clone_uri = clone_uri
 
            new_repo.landing_rev = landing_rev
 

	
 
            new_repo.enable_statistics = enable_statistics
 
            new_repo.enable_downloads = enable_downloads
 

	
 
            if fork_of:
 
                parent_repo = fork_of
 
                new_repo.fork = parent_repo
 

	
 
            Session().add(new_repo)
 

	
 
            if fork_of and copy_fork_permissions:
 
                repo = fork_of
 
                user_perms = UserRepoToPerm.query() \
 
                    .filter(UserRepoToPerm.repository == repo).all()
 
                group_perms = UserGroupRepoToPerm.query() \
 
                    .filter(UserGroupRepoToPerm.repository == repo).all()
 

	
 
                for perm in user_perms:
 
                    UserRepoToPerm.create(perm.user, new_repo, perm.permission)
 

	
 
                for perm in group_perms:
 
                    UserGroupRepoToPerm.create(perm.users_group, new_repo,
 
                                               perm.permission)
 

	
 
            elif repo_group and copy_group_permissions:
 

	
 
                user_perms = UserRepoGroupToPerm.query() \
 
                    .filter(UserRepoGroupToPerm.group == repo_group).all()
 

	
 
                group_perms = UserGroupRepoGroupToPerm.query() \
 
                    .filter(UserGroupRepoGroupToPerm.group == repo_group).all()
 

	
 
                for perm in user_perms:
 
                    perm_name = perm.permission.permission_name.replace('group.', 'repository.')
 
                    perm_obj = Permission.get_by_key(perm_name)
 
                    UserRepoToPerm.create(perm.user, new_repo, perm_obj)
 

	
 
                for perm in group_perms:
 
                    perm_name = perm.permission.permission_name.replace('group.', 'repository.')
 
                    perm_obj = Permission.get_by_key(perm_name)
 
                    UserGroupRepoToPerm.create(perm.users_group, new_repo, perm_obj)
 

	
 
            else:
 
                self._create_default_perms(new_repo, private)
 

	
 
            # now automatically start following this repository as owner
 
            ScmModel().toggle_following_repo(new_repo.repo_id, owner.user_id)
 
            # we need to flush here, in order to check if database won't
 
            # throw any exceptions, create filesystem dirs at the very end
 
            Session().flush()
 
            return new_repo
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            raise
 

	
 
    def create(self, form_data, cur_user):
 
        """
 
        Create repository using celery tasks
 

	
 
        :param form_data:
 
        :param cur_user:
 
        """
 
        from kallithea.lib.celerylib import tasks
 
        return tasks.create_repo(form_data, cur_user)
 

	
 
    def _update_permissions(self, repo, perms_new=None, perms_updates=None,
 
                            check_perms=True):
 
        if not perms_new:
 
            perms_new = []
 
        if not perms_updates:
 
            perms_updates = []
 

	
 
        # update permissions
 
        for member, perm, member_type in perms_updates:
 
            if member_type == 'user':
 
                # this updates existing one
 
                self.grant_user_permission(
 
                    repo=repo, user=member, perm=perm
 
                )
 
            else:
 
                # check if we have permissions to alter this usergroup's access
 
                if not check_perms or HasUserGroupPermissionLevel('read')(member):
 
                    self.grant_user_group_permission(
 
                        repo=repo, group_name=member, perm=perm
 
                    )
 
            # set new permissions
 
        for member, perm, member_type in perms_new:
 
            if member_type == 'user':
 
                self.grant_user_permission(
 
                    repo=repo, user=member, perm=perm
 
                )
 
            else:
 
                # check if we have permissions to alter this usergroup's access
 
                if not check_perms or HasUserGroupPermissionLevel('read')(member):
 
                    self.grant_user_group_permission(
 
                        repo=repo, group_name=member, perm=perm
 
                    )
 

	
 
    def create_fork(self, form_data, cur_user):
 
        """
 
        Simple wrapper into executing celery task for fork creation
 

	
 
        :param form_data:
 
        :param cur_user:
 
        """
 
        from kallithea.lib.celerylib import tasks
 
        return tasks.create_repo_fork(form_data, cur_user)
 

	
 
    def delete(self, repo, forks=None, fs_remove=True, cur_user=None):
 
        """
 
        Delete given repository, forks parameter defines what do do with
 
        attached forks. Throws AttachedForksError if deleted repo has attached
 
        forks
 

	
 
        :param repo:
 
        :param forks: str 'delete' or 'detach'
 
        :param fs_remove: remove(archive) repo from filesystem
 
        """
 
        if not cur_user:
 
            cur_user = getattr(get_current_authuser(), 'username', None)
 
        repo = Repository.guess_instance(repo)
 
        if repo is not None:
 
            if forks == 'detach':
 
                for r in repo.forks:
 
                    r.fork = None
 
            elif forks == 'delete':
 
                for r in repo.forks:
 
                    self.delete(r, forks='delete')
 
            elif [f for f in repo.forks]:
 
                raise AttachedForksError()
 

	
 
            old_repo_dict = repo.get_dict()
 
            try:
 
                Session().delete(repo)
 
                if fs_remove:
 
                    self._delete_filesystem_repo(repo)
 
                else:
 
                    log.debug('skipping removal from filesystem')
 
                log_delete_repository(old_repo_dict,
 
                                      deleted_by=cur_user)
 
            except Exception:
 
                log.error(traceback.format_exc())
 
                raise
 

	
 
    def grant_user_permission(self, repo, user, perm):
 
        """
 
        Grant permission for user on given repository, or update existing one
 
        if found
 

	
 
        :param repo: Instance of Repository, repository_id, or repository name
 
        :param user: Instance of User, user_id or username
 
        :param perm: Instance of Permission, or permission_name
 
        """
 
        user = User.guess_instance(user)
 
        repo = Repository.guess_instance(repo)
 
        permission = Permission.guess_instance(perm)
 

	
 
        # check if we have that permission already
 
        obj = UserRepoToPerm.query() \
 
            .filter(UserRepoToPerm.user == user) \
 
            .filter(UserRepoToPerm.repository == repo) \
 
            .scalar()
 
        if obj is None:
 
            # create new !
 
            obj = UserRepoToPerm()
 
            Session().add(obj)
 
        obj.repository = repo
 
        obj.user = user
 
        obj.permission = permission
 
        log.debug('Granted perm %s to %s on %s', perm, user, repo)
 
        return obj
 

	
 
    def revoke_user_permission(self, repo, user):
 
        """
 
        Revoke permission for user on given repository
 

	
 
        :param repo: Instance of Repository, repository_id, or repository name
 
        :param user: Instance of User, user_id or username
 
        """
 

	
 
        user = User.guess_instance(user)
 
        repo = Repository.guess_instance(repo)
 

	
 
        obj = UserRepoToPerm.query() \
 
            .filter(UserRepoToPerm.repository == repo) \
 
            .filter(UserRepoToPerm.user == user) \
 
            .scalar()
 
        if obj is not None:
 
            Session().delete(obj)
 
            log.debug('Revoked perm on %s on %s', repo, user)
 

	
 
    def grant_user_group_permission(self, repo, group_name, perm):
 
        """
 
        Grant permission for user group on given repository, or update
 
        existing one if found
 

	
 
        :param repo: Instance of Repository, repository_id, or repository name
 
        :param group_name: Instance of UserGroup, users_group_id,
 
            or user group name
 
        :param perm: Instance of Permission, or permission_name
 
        """
 
        repo = Repository.guess_instance(repo)
 
        group_name = UserGroup.guess_instance(group_name)
 
        permission = Permission.guess_instance(perm)
 

	
 
        # check if we have that permission already
 
        obj = UserGroupRepoToPerm.query() \
 
            .filter(UserGroupRepoToPerm.users_group == group_name) \
 
            .filter(UserGroupRepoToPerm.repository == repo) \
 
            .scalar()
 

	
 
        if obj is None:
 
            # create new
 
            obj = UserGroupRepoToPerm()
 
            Session().add(obj)
 

	
 
        obj.repository = repo
 
        obj.users_group = group_name
 
        obj.permission = permission
 
        log.debug('Granted perm %s to %s on %s', perm, group_name, repo)
 
        return obj
 

	
 
    def revoke_user_group_permission(self, repo, group_name):
 
        """
 
        Revoke permission for user group on given repository
 

	
 
        :param repo: Instance of Repository, repository_id, or repository name
 
        :param group_name: Instance of UserGroup, users_group_id,
 
            or user group name
 
        """
 
        repo = Repository.guess_instance(repo)
 
        group_name = UserGroup.guess_instance(group_name)
 

	
 
        obj = UserGroupRepoToPerm.query() \
 
            .filter(UserGroupRepoToPerm.repository == repo) \
 
            .filter(UserGroupRepoToPerm.users_group == group_name) \
 
            .scalar()
 
        if obj is not None:
 
            Session().delete(obj)
 
            log.debug('Revoked perm to %s on %s', repo, group_name)
 

	
 
    def delete_stats(self, repo_name):
 
        """
 
        removes stats for given repo
 

	
 
        :param repo_name:
 
        """
 
        repo = Repository.guess_instance(repo_name)
 
        try:
 
            obj = Statistics.query() \
 
                .filter(Statistics.repository == repo).scalar()
 
            if obj is not None:
 
                Session().delete(obj)
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            raise
 

	
 
    def _create_filesystem_repo(self, repo_name, repo_type, repo_group,
 
                                clone_uri=None, repo_store_location=None):
 
        """
 
        Makes repository on filesystem. Operation is group aware, meaning that it will create
 
        a repository within a group, and alter the paths accordingly to the group location.
 

	
 
        Note: clone_uri is low level and not validated - it might be a file system path used for validated cloning
 
        """
 
        from kallithea.lib.utils import is_valid_repo, is_valid_repo_group
 
        from kallithea.model.scm import ScmModel
 

	
 
        if '/' in repo_name:
 
            raise ValueError('repo_name must not contain groups got `%s`' % repo_name)
 

	
 
        if isinstance(repo_group, RepoGroup):
 
            new_parent_path = os.sep.join(repo_group.full_path_splitted)
 
        else:
 
            new_parent_path = repo_group or ''
 

	
 
        if repo_store_location:
 
            _paths = [repo_store_location]
 
        else:
 
            _paths = [self.repos_path, new_parent_path, repo_name]
 
            # we need to make it str for mercurial
 
        repo_path = os.path.join(*map(lambda x: safe_str(x), _paths))
 

	
 
        # check if this path is not a repository
 
        if is_valid_repo(repo_path, self.repos_path):
 
            raise Exception('This path %s is a valid repository' % repo_path)
 

	
 
        # check if this path is a group
 
        if is_valid_repo_group(repo_path, self.repos_path):
 
            raise Exception('This path %s is a valid group' % repo_path)
 

	
 
        log.info('creating repo %s in %s from url: `%s`',
 
            repo_name, safe_unicode(repo_path),
 
            obfuscate_url_pw(clone_uri))
 

	
 
        backend = get_backend(repo_type)
 

	
 
        if repo_type == 'hg':
 
            baseui = make_ui(clear_session=False)
 
            baseui = make_ui()
 
            # patch and reset hooks section of UI config to not run any
 
            # hooks on creating remote repo
 
            for k, v in baseui.configitems('hooks'):
 
                baseui.setconfig('hooks', k, None)
 

	
 
            repo = backend(repo_path, create=True, src_url=clone_uri, baseui=baseui)
 
        elif repo_type == 'git':
 
            repo = backend(repo_path, create=True, src_url=clone_uri, bare=True)
 
            # add kallithea hook into this repo
 
            ScmModel().install_git_hooks(repo=repo)
 
        else:
 
            raise Exception('Not supported repo_type %s expected hg/git' % repo_type)
 

	
 
        log.debug('Created repo %s with %s backend',
 
                  safe_unicode(repo_name), safe_unicode(repo_type))
 
        return repo
 

	
 
    def _rename_filesystem_repo(self, old, new):
 
        """
 
        renames repository on filesystem
 

	
 
        :param old: old name
 
        :param new: new name
 
        """
 
        log.info('renaming repo from %s to %s', old, new)
 

	
 
        old_path = safe_str(os.path.join(self.repos_path, old))
 
        new_path = safe_str(os.path.join(self.repos_path, new))
 
        if os.path.isdir(new_path):
 
            raise Exception(
 
                'Was trying to rename to already existing dir %s' % new_path
 
            )
 
        shutil.move(old_path, new_path)
 

	
 
    def _delete_filesystem_repo(self, repo):
 
        """
 
        removes repo from filesystem, the removal is actually done by
 
        renaming dir to a 'rm__*' prefix which Kallithea will skip.
 
        It can be undeleted later by reverting the rename.
 

	
 
        :param repo: repo object
 
        """
 
        rm_path = safe_str(os.path.join(self.repos_path, repo.repo_name))
 
        log.info("Removing %s", rm_path)
 

	
 
        _now = datetime.now()
 
        _ms = str(_now.microsecond).rjust(6, '0')
 
        _d = 'rm__%s__%s' % (_now.strftime('%Y%m%d_%H%M%S_' + _ms),
 
                             repo.just_name)
 
        if repo.group:
 
            args = repo.group.full_path_splitted + [_d]
 
            _d = os.path.join(*args)
 
        if os.path.exists(rm_path):
 
            shutil.move(rm_path, safe_str(os.path.join(self.repos_path, _d)))
 
        else:
 
            log.error("Can't find repo to delete in %r", rm_path)
kallithea/model/validators.py
Show inline comments
 
@@ -31,769 +31,769 @@ from kallithea.config.routing import ADM
 
from kallithea.lib.auth import HasPermissionAny, HasRepoGroupPermissionLevel
 
from kallithea.lib.compat import OrderedSet
 
from kallithea.lib.exceptions import LdapImportError
 
from kallithea.lib.utils import is_valid_repo_uri
 
from kallithea.lib.utils2 import aslist, repo_name_slug, str2bool
 
from kallithea.model.db import RepoGroup, Repository, User, UserGroup
 

	
 

	
 
# silence warnings and pylint
 
UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set, \
 
    NotEmpty, IPAddress, CIDR, String, FancyValidator
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
def UniqueListFromString():
 
    class _UniqueListFromString(formencode.FancyValidator):
 
        """
 
        Split value on ',' and make unique while preserving order
 
        """
 
        messages = dict(
 
            empty=_('Value cannot be an empty list'),
 
            missing_value=_('Value cannot be an empty list'),
 
        )
 

	
 
        def _convert_to_python(self, value, state):
 
            value = aslist(value, ',')
 
            seen = set()
 
            return [c for c in value if not (c in seen or seen.add(c))]
 

	
 
        def empty_value(self, value):
 
            return []
 

	
 
    return _UniqueListFromString
 

	
 

	
 
def ValidUsername(edit=False, old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'username_exists': _('Username "%(username)s" already exists'),
 
            'system_invalid_username':
 
                _('Username "%(username)s" cannot be used'),
 
            'invalid_username':
 
                _('Username may only contain alphanumeric characters '
 
                  'underscores, periods or dashes and must begin with an '
 
                  'alphanumeric character or underscore')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            if value in ['default', 'new_user']:
 
                msg = self.message('system_invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state)
 
            # check if user is unique
 
            old_un = None
 
            if edit:
 
                old_un = User.get(old_data.get('user_id')).username
 

	
 
            if old_un != value or not edit:
 
                if User.get_by_username(value, case_insensitive=True):
 
                    msg = self.message('username_exists', state, username=value)
 
                    raise formencode.Invalid(msg, value, state)
 

	
 
            if re.match(r'^[a-zA-Z0-9\_]{1}[a-zA-Z0-9\-\_\.]*$', value) is None:
 
                msg = self.message('invalid_username', state)
 
                raise formencode.Invalid(msg, value, state)
 
    return _validator
 

	
 

	
 
def ValidRegex(msg=None):
 
    class _validator(formencode.validators.Regex):
 
        messages = dict(invalid=msg or _('The input is not valid'))
 
    return _validator
 

	
 

	
 
def ValidRepoUser():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_username': _('Username %(username)s is not valid')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            try:
 
                User.query().filter(User.active == True) \
 
                    .filter(User.username == value).one()
 
            except sqlalchemy.exc.InvalidRequestError: # NoResultFound/MultipleResultsFound
 
                msg = self.message('invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(username=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidUserGroup(edit=False, old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_group': _('Invalid user group name'),
 
            'group_exist': _('User group "%(usergroup)s" already exists'),
 
            'invalid_usergroup_name':
 
                _('user group name may only contain alphanumeric '
 
                  'characters underscores, periods or dashes and must begin '
 
                  'with alphanumeric character')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            if value in ['default']:
 
                msg = self.message('invalid_group', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 
            # check if group is unique
 
            old_ugname = None
 
            if edit:
 
                old_id = old_data.get('users_group_id')
 
                old_ugname = UserGroup.get(old_id).users_group_name
 

	
 
            if old_ugname != value or not edit:
 
                is_existing_group = UserGroup.get_by_group_name(value,
 
                                                        case_insensitive=True)
 
                if is_existing_group:
 
                    msg = self.message('group_exist', state, usergroup=value)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(users_group_name=msg)
 
                    )
 

	
 
            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
 
                msg = self.message('invalid_usergroup_name', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidRepoGroup(edit=False, old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'parent_group_id': _('Cannot assign this group as parent'),
 
            'group_exists': _('Group "%(group_name)s" already exists'),
 
            'repo_exists':
 
                _('Repository with name "%(group_name)s" already exists')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            # TODO WRITE VALIDATIONS
 
            group_name = value.get('group_name')
 
            parent_group_id = value.get('parent_group_id')
 

	
 
            # slugify repo group just in case :)
 
            slug = repo_name_slug(group_name)
 

	
 
            # check for parent of self
 
            parent_of_self = lambda: (
 
                old_data['group_id'] == parent_group_id
 
                if parent_group_id else False
 
            )
 
            if edit and parent_of_self():
 
                msg = self.message('parent_group_id', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(parent_group_id=msg)
 
                )
 

	
 
            old_gname = None
 
            if edit:
 
                old_gname = RepoGroup.get(old_data.get('group_id')).group_name
 

	
 
            if old_gname != group_name or not edit:
 

	
 
                # check group
 
                gr = RepoGroup.query() \
 
                      .filter(func.lower(RepoGroup.group_name) == func.lower(slug)) \
 
                      .filter(RepoGroup.parent_group_id == parent_group_id) \
 
                      .scalar()
 
                if gr is not None:
 
                    msg = self.message('group_exists', state, group_name=slug)
 
                    raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(group_name=msg)
 
                    )
 

	
 
                # check for same repo
 
                repo = Repository.query() \
 
                      .filter(func.lower(Repository.repo_name) == func.lower(slug)) \
 
                      .scalar()
 
                if repo is not None:
 
                    msg = self.message('repo_exists', state, group_name=slug)
 
                    raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(group_name=msg)
 
                    )
 

	
 
    return _validator
 

	
 

	
 
def ValidPassword():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_password':
 
                _('Invalid characters (non-ascii) in password')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            try:
 
                (value or '').decode('ascii')
 
            except UnicodeError:
 
                msg = self.message('invalid_password', state)
 
                raise formencode.Invalid(msg, value, state,)
 
    return _validator
 

	
 

	
 
def ValidOldPassword(username):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_password': _('Invalid old password')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            from kallithea.lib import auth_modules
 
            if auth_modules.authenticate(username, value, '') is None:
 
                msg = self.message('invalid_password', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(current_password=msg)
 
                )
 
    return _validator
 

	
 

	
 
def ValidPasswordsMatch(password_field, password_confirmation_field):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'password_mismatch': _('Passwords do not match'),
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            if value.get(password_field) != value[password_confirmation_field]:
 
                msg = self.message('password_mismatch', state)
 
                raise formencode.Invalid(msg, value, state,
 
                     error_dict={password_field: msg, password_confirmation_field: msg}
 
                )
 
    return _validator
 

	
 

	
 
def ValidAuth():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_auth': _(u'Invalid username or password'),
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            from kallithea.lib import auth_modules
 

	
 
            password = value['password']
 
            username = value['username']
 

	
 
            # authenticate returns unused dict but has called
 
            # plugin._authenticate which has create_or_update'ed the username user in db
 
            if auth_modules.authenticate(username, password) is None:
 
                user = User.get_by_username_or_email(username)
 
                if user and not user.active:
 
                    log.warning('user %s is disabled', username)
 
                    msg = self.message('invalid_auth', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(username=' ', password=msg)
 
                    )
 
                else:
 
                    log.warning('user %s failed to authenticate', username)
 
                    msg = self.message('invalid_auth', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(username=' ', password=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidRepoName(edit=False, old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_repo_name':
 
                _('Repository name %(repo)s is not allowed'),
 
            'repository_exists':
 
                _('Repository named %(repo)s already exists'),
 
            'repository_in_group_exists': _('Repository "%(repo)s" already '
 
                                            'exists in group "%(group)s"'),
 
            'same_group_exists': _('Repository group with name "%(repo)s" '
 
                                   'already exists')
 
        }
 

	
 
        def _convert_to_python(self, value, state):
 
            repo_name = repo_name_slug(value.get('repo_name', ''))
 
            repo_group = value.get('repo_group')
 
            if repo_group:
 
                gr = RepoGroup.get(repo_group)
 
                group_path = gr.full_path
 
                group_name = gr.group_name
 
                # value needs to be aware of group name in order to check
 
                # db key This is an actual just the name to store in the
 
                # database
 
                repo_name_full = group_path + RepoGroup.url_sep() + repo_name
 
            else:
 
                group_name = group_path = ''
 
                repo_name_full = repo_name
 

	
 
            value['repo_name'] = repo_name
 
            value['repo_name_full'] = repo_name_full
 
            value['group_path'] = group_path
 
            value['group_name'] = group_name
 
            return value
 

	
 
        def _validate_python(self, value, state):
 
            repo_name = value.get('repo_name')
 
            repo_name_full = value.get('repo_name_full')
 
            group_path = value.get('group_path')
 
            group_name = value.get('group_name')
 

	
 
            if repo_name in [ADMIN_PREFIX, '']:
 
                msg = self.message('invalid_repo_name', state, repo=repo_name)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(repo_name=msg)
 
                )
 

	
 
            rename = old_data.get('repo_name') != repo_name_full
 
            create = not edit
 
            if rename or create:
 
                repo = Repository.get_by_repo_name(repo_name_full, case_insensitive=True)
 
                repo_group = RepoGroup.get_by_group_name(repo_name_full, case_insensitive=True)
 
                if group_path != '':
 
                    if repo is not None:
 
                        msg = self.message('repository_in_group_exists', state,
 
                                repo=repo.repo_name, group=group_name)
 
                        raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(repo_name=msg)
 
                        )
 
                elif repo_group is not None:
 
                    msg = self.message('same_group_exists', state,
 
                            repo=repo_name)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_name=msg)
 
                    )
 
                elif repo is not None:
 
                    msg = self.message('repository_exists', state,
 
                            repo=repo.repo_name)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_name=msg)
 
                    )
 
            return value
 
    return _validator
 

	
 

	
 
def ValidForkName(*args, **kwargs):
 
    return ValidRepoName(*args, **kwargs)
 

	
 

	
 
def SlugifyName():
 
    class _validator(formencode.validators.FancyValidator):
 

	
 
        def _convert_to_python(self, value, state):
 
            return repo_name_slug(value)
 

	
 
        def _validate_python(self, value, state):
 
            pass
 

	
 
    return _validator
 

	
 

	
 
def ValidCloneUri():
 
    from kallithea.lib.utils import make_ui
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'clone_uri': _('Invalid repository URL'),
 
            'invalid_clone_uri': _('Invalid repository URL. It must be a '
 
                                   'valid http, https, ssh, svn+http or svn+https URL'),
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            repo_type = value.get('repo_type')
 
            url = value.get('clone_uri')
 

	
 
            if url and url != value.get('clone_uri_hidden'):
 
                try:
 
                    is_valid_repo_uri(repo_type, url, make_ui(clear_session=False))
 
                    is_valid_repo_uri(repo_type, url, make_ui())
 
                except Exception:
 
                    log.exception('URL validation failed')
 
                    msg = self.message('clone_uri', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(clone_uri=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidForkType(old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_fork_type': _('Fork has to be the same type as parent')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            if old_data['repo_type'] != value:
 
                msg = self.message('invalid_fork_type', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(repo_type=msg)
 
                )
 
    return _validator
 

	
 

	
 
def CanWriteGroup(old_data=None):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'permission_denied': _("You don't have permissions "
 
                                   "to create repository in this group"),
 
            'permission_denied_root': _("no permission to create repository "
 
                                        "in root location")
 
        }
 

	
 
        def _convert_to_python(self, value, state):
 
            # root location
 
            if value == -1:
 
                return None
 
            return value
 

	
 
        def _validate_python(self, value, state):
 
            gr = RepoGroup.get(value)
 
            gr_name = gr.group_name if gr is not None else None # None means ROOT location
 

	
 
            # create repositories with write permission on group is set to true
 
            create_on_write = HasPermissionAny('hg.create.write_on_repogroup.true')()
 
            group_admin = HasRepoGroupPermissionLevel('admin')(gr_name,
 
                                            'can write into group validator')
 
            group_write = HasRepoGroupPermissionLevel('write')(gr_name,
 
                                            'can write into group validator')
 
            forbidden = not (group_admin or (group_write and create_on_write))
 
            can_create_repos = HasPermissionAny('hg.admin', 'hg.create.repository')
 
            gid = (old_data['repo_group'].get('group_id')
 
                   if (old_data and 'repo_group' in old_data) else None)
 
            value_changed = gid != value
 
            new = not old_data
 
            # do check if we changed the value, there's a case that someone got
 
            # revoked write permissions to a repository, he still created, we
 
            # don't need to check permission if he didn't change the value of
 
            # groups in form box
 
            if value_changed or new:
 
                # parent group need to be existing
 
                if gr and forbidden:
 
                    msg = self.message('permission_denied', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_type=msg)
 
                    )
 
                ## check if we can write to root location !
 
                elif gr is None and not can_create_repos():
 
                    msg = self.message('permission_denied_root', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_type=msg)
 
                    )
 

	
 
    return _validator
 

	
 

	
 
def CanCreateGroup(can_create_in_root=False):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'permission_denied': _("You don't have permissions "
 
                                   "to create a group in this location")
 
        }
 

	
 
        def to_python(self, value, state):
 
            # root location
 
            if value == -1:
 
                return None
 
            return value
 

	
 
        def _validate_python(self, value, state):
 
            gr = RepoGroup.get(value)
 
            gr_name = gr.group_name if gr is not None else None # None means ROOT location
 

	
 
            if can_create_in_root and gr is None:
 
                # we can create in root, we're fine no validations required
 
                return
 

	
 
            forbidden_in_root = gr is None and not can_create_in_root
 
            forbidden = not HasRepoGroupPermissionLevel('admin')(gr_name, 'can create group validator')
 
            if forbidden_in_root or forbidden:
 
                msg = self.message('permission_denied', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(parent_group_id=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidPerms(type_='repo'):
 
    if type_ == 'repo_group':
 
        EMPTY_PERM = 'group.none'
 
    elif type_ == 'repo':
 
        EMPTY_PERM = 'repository.none'
 
    elif type_ == 'user_group':
 
        EMPTY_PERM = 'usergroup.none'
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'perm_new_member_name':
 
                _('This username or user group name is not valid')
 
        }
 

	
 
        def to_python(self, value, state):
 
            perms_update = OrderedSet()
 
            perms_new = OrderedSet()
 
            # build a list of permission to update and new permission to create
 

	
 
            # CLEAN OUT ORG VALUE FROM NEW MEMBERS, and group them using
 
            new_perms_group = defaultdict(dict)
 
            for k, v in value.copy().iteritems():
 
                if k.startswith('perm_new_member'):
 
                    del value[k]
 
                    _type, part = k.split('perm_new_member_')
 
                    args = part.split('_')
 
                    if len(args) == 1:
 
                        new_perms_group[args[0]]['perm'] = v
 
                    elif len(args) == 2:
 
                        _key, pos = args
 
                        new_perms_group[pos][_key] = v
 

	
 
            # fill new permissions in order of how they were added
 
            for k in sorted(map(int, new_perms_group.keys())):
 
                perm_dict = new_perms_group[str(k)]
 
                new_member = perm_dict.get('name')
 
                new_perm = perm_dict.get('perm')
 
                new_type = perm_dict.get('type')
 
                if new_member and new_perm and new_type:
 
                    perms_new.add((new_member, new_perm, new_type))
 

	
 
            for k, v in value.iteritems():
 
                if k.startswith('u_perm_') or k.startswith('g_perm_'):
 
                    member = k[7:]
 
                    t = {'u': 'user',
 
                         'g': 'users_group'
 
                    }[k[0]]
 
                    if member == User.DEFAULT_USER:
 
                        if str2bool(value.get('repo_private')):
 
                            # set none for default when updating to
 
                            # private repo protects against form manipulation
 
                            v = EMPTY_PERM
 
                    perms_update.add((member, v, t))
 

	
 
            value['perms_updates'] = list(perms_update)
 
            value['perms_new'] = list(perms_new)
 

	
 
            # update permissions
 
            for k, v, t in perms_new:
 
                try:
 
                    if t == 'user':
 
                        self.user_db = User.query() \
 
                            .filter(User.active == True) \
 
                            .filter(User.username == k).one()
 
                    if t == 'users_group':
 
                        self.user_db = UserGroup.query() \
 
                            .filter(UserGroup.users_group_active == True) \
 
                            .filter(UserGroup.users_group_name == k).one()
 

	
 
                except Exception:
 
                    log.exception('Updated permission failed')
 
                    msg = self.message('perm_new_member_type', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(perm_new_member_name=msg)
 
                    )
 
            return value
 
    return _validator
 

	
 

	
 
def ValidSettings():
 
    class _validator(formencode.validators.FancyValidator):
 
        def _convert_to_python(self, value, state):
 
            # settings  form for users that are not admin
 
            # can't edit certain parameters, it's extra backup if they mangle
 
            # with forms
 

	
 
            forbidden_params = [
 
                'user', 'repo_type',
 
                'repo_enable_downloads', 'repo_enable_statistics'
 
            ]
 

	
 
            for param in forbidden_params:
 
                if param in value:
 
                    del value[param]
 
            return value
 

	
 
        def _validate_python(self, value, state):
 
            pass
 
    return _validator
 

	
 

	
 
def ValidPath():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_path': _('This is not a valid path')
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            if not os.path.isdir(value):
 
                msg = self.message('invalid_path', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(paths_root_path=msg)
 
                )
 
    return _validator
 

	
 

	
 
def UniqSystemEmail(old_data=None):
 
    old_data = old_data or {}
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'email_taken': _('This email address is already in use')
 
        }
 

	
 
        def _convert_to_python(self, value, state):
 
            return value.lower()
 

	
 
        def _validate_python(self, value, state):
 
            if (old_data.get('email') or '').lower() != value:
 
                user = User.get_by_email(value)
 
                if user is not None:
 
                    msg = self.message('email_taken', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(email=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidSystemEmail():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'non_existing_email': _('Email address "%(email)s" not found')
 
        }
 

	
 
        def _convert_to_python(self, value, state):
 
            return value.lower()
 

	
 
        def _validate_python(self, value, state):
 
            user = User.get_by_email(value)
 
            if user is None:
 
                msg = self.message('non_existing_email', state, email=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(email=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def LdapLibValidator():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 

	
 
        }
 

	
 
        def _validate_python(self, value, state):
 
            try:
 
                import ldap
 
                ldap  # pyflakes silence !
 
            except ImportError:
 
                raise LdapImportError()
 

	
 
    return _validator
 

	
 

	
 
def AttrLoginValidator():
 
    class _validator(formencode.validators.UnicodeString):
 
        messages = {
 
            'invalid_cn':
 
                  _('The LDAP Login attribute of the CN must be specified - '
 
                    'this is the name of the attribute that is equivalent '
 
                    'to "username"')
 
        }
 
        messages['empty'] = messages['invalid_cn']
 

	
 
    return _validator
 

	
 

	
 
def ValidIp():
 
    class _validator(CIDR):
 
        messages = dict(
 
            badFormat=_('Please enter a valid IPv4 or IPv6 address'),
 
            illegalBits=_('The network size (bits) must be within the range'
 
                ' of 0-32 (not %(bits)r)')
 
        )
 

	
 
        def to_python(self, value, state):
 
            v = super(_validator, self).to_python(value, state)
 
            v = v.strip()
 
            net = ipaddr.IPNetwork(address=v)
 
            if isinstance(net, ipaddr.IPv4Network):
 
                # if IPv4 doesn't end with a mask, add /32
 
                if '/' not in value:
 
                    v += '/32'
 
            if isinstance(net, ipaddr.IPv6Network):
 
                # if IPv6 doesn't end with a mask, add /128
 
                if '/' not in value:
 
                    v += '/128'
 
            return v
 

	
 
        def _validate_python(self, value, state):
 
            try:
 
                addr = value.strip()
 
                # this raises an ValueError if address is not IPv4 or IPv6
 
                ipaddr.IPNetwork(address=addr)
 
            except ValueError:
 
                raise formencode.Invalid(self.message('badFormat', state),
 
                                         value, state)
 

	
 
    return _validator
 

	
 

	
 
def FieldKey():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = dict(
 
            badFormat=_('Key name can only consist of letters, '
 
                        'underscore, dash or numbers')
 
        )
 

	
 
        def _validate_python(self, value, state):
 
            if not re.match('[a-zA-Z0-9_-]+$', value):
 
                raise formencode.Invalid(self.message('badFormat', state),
 
                                         value, state)
 
    return _validator
 

	
 

	
 
def BasePath():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = dict(
 
            badPath=_('Filename cannot be inside a directory')
 
        )
 

	
 
        def _convert_to_python(self, value, state):
 
            return value
 

	
 
        def _validate_python(self, value, state):
 
            if value != os.path.basename(value):
 
                raise formencode.Invalid(self.message('badPath', state),
 
                                         value, state)
 
    return _validator
 

	
 

	
 
def ValidAuthPlugins():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = dict(
 
            import_duplicate=_('Plugins %(loaded)s and %(next_to_load)s both export the same name')
 
        )
 

	
 
        def _convert_to_python(self, value, state):
 
            # filter empty values
 
            return filter(lambda s: s not in [None, ''], value)
 

	
 
        def _validate_python(self, value, state):
 
            from kallithea.lib import auth_modules
 
            module_list = value
 
            unique_names = {}
 
            try:
 
                for module in module_list:
 
                    plugin = auth_modules.loadplugin(module)
 
                    plugin_name = plugin.name
 
                    if plugin_name in unique_names:
 
                        msg = self.message('import_duplicate', state,
 
                                loaded=unique_names[plugin_name],
 
                                next_to_load=plugin_name)
 
                        raise formencode.Invalid(msg, value, state)
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