# -*- 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/>.

# Alembic migration environment (configuration).

import logging

import os

from logging.config import fileConfig

from alembic import context

from sqlalchemy import engine_from_config, pool

# The alembic.config.Config object, which wraps the current .ini file.

config = context.config

# Default to use the main Kallithea database string in [app:main].

# For advanced uses, this can be overridden by specifying an explicit

# [alembic] sqlalchemy.url.

database_url = (

    config.get_main_option('sqlalchemy.url') or

    config.get_section_option('app:main', 'sqlalchemy.url')

)

# Configure default logging for Alembic. (This can be overriden by the

# config file, but usually isn't.)

logging.getLogger('alembic').setLevel(logging.INFO)

# Setup Python loggers based on the config file provided to the alembic

# command. If we're being invoked via the Alembic API (presumably for

# stamping during "kallithea-cli db-create"), config_file_name is not available,

# and loggers are assumed to already have been configured.

if config.config_file_name:

    fileConfig(config.config_file_name,

        {'__file__': config.config_file_name, 'here': os.path.dirname(config.config_file_name)},

        disable_existing_loggers=False)

def include_in_autogeneration(object, name, type, reflected, compare_to):

    """Filter changes subject to autogeneration of migrations. """

    # Don't include changes to sqlite_sequence.

    if type == 'table' and name == 'sqlite_sequence':

        return False

    return True

def run_migrations_offline():

    """Run migrations in 'offline' (--sql) mode.

    This produces an SQL script instead of directly applying the changes.

    Some migrations may not run in offline mode.

    """

    context.configure(

        url=database_url,

        literal_binds=True,

    )

    with context.begin_transaction():

        context.run_migrations()

def run_migrations_online():

    """Run migrations in 'online' mode.

    Connects to the database and directly applies the necessary

    migrations.

    """

    cfg = config.get_section(config.config_ini_section)

    cfg['sqlalchemy.url'] = database_url

    connectable = engine_from_config(

        cfg,

        prefix='sqlalchemy.',

        poolclass=pool.NullPool)

    with connectable.connect() as connection:

        context.configure(

            connection=connection,

            # Support autogeneration of migration scripts based on "diff" between

            # current database schema and kallithea.model.db schema.

            include_object=include_in_autogeneration,

            render_as_batch=True, # batch mode is needed for SQLite support

        )

        with context.begin_transaction():

            context.run_migrations()

if context.is_offline_mode():

    run_migrations_offline()

else:

    run_migrations_online()

# -*- 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/>.

import click

import kallithea

import kallithea.bin.kallithea_cli_base as cli_base

from kallithea.lib.db_manage import DbManage

@cli_base.register_command(needs_config_file=True, config_file_initialize_app=True)

@click.option('--reuse/--no-reuse', default=False,

        help='Reuse and clean existing database instead of dropping and creating (default: no reuse)')

@click.option('--user', help='Username of administrator account.')

@click.option('--password', help='Password for administrator account.')

@click.option('--email', help='Email address of administrator account.')

@click.option('--repos', help='Absolute path to repositories location.')

@click.option('--force-yes', is_flag=True, help='Answer yes to every question.')

@click.option('--force-no', is_flag=True, help='Answer no to every question.')

@click.option('--public-access/--no-public-access', default=True,

        help='Enable/disable public access on this installation (default: enable)')

def db_create(user, password, email, repos, force_yes, force_no, public_access, reuse, config=None):

    """Initialize the database.

    Create all required tables in the database specified in the configuration

    file. Create the administrator account. Set certain settings based on

    values you provide.

    You can pass the answers to all questions as options to this command.

    """

    if config is not None:  # first called with config, before app initialization

        dbconf = config['sqlalchemy.url']

        # force_ask should be True (yes), False (no), or None (ask)

        if force_yes:

            force_ask = True

        elif force_no:

            force_ask = False

        else:

            force_ask = None

        cli_args = dict(

                username=user,

                password=password,

                email=email,

                repos_location=repos,

                force_ask=force_ask,

                public_access=public_access,

        )

        dbmanage = DbManage(dbconf=dbconf, root=config['here'],

                            tests=False, cli_args=cli_args)

        dbmanage.create_tables(reuse_database=reuse)

        repo_root_path = dbmanage.prompt_repo_root_path(None)

        dbmanage.create_settings(repo_root_path)

        dbmanage.create_default_user()

        dbmanage.create_admin_user()

        dbmanage.create_permissions()

        dbmanage.populate_default_permissions()

    else:  # then called again after app initialization

        added, _ = kallithea.lib.utils.repo2db_mapper(kallithea.model.scm.ScmModel().repo_scan())

        if added:

            click.echo('Initial repository scan: added following repositories:')

            click.echo('\t%s' % '\n\t'.join(added))

        else:

            click.echo('Initial repository scan: no repositories found.')

        click.echo('Database set up successfully.')

        click.echo("Don't forget to build the front-end using 'kallithea-cli front-end-build'.")

# -*- 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/>.

"""

This file was forked by the Kallithea project in July 2014 and later moved.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Feb 9, 2013

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import datetime

import os

import re

import shutil

import click

import kallithea

import kallithea.bin.kallithea_cli_base as cli_base

from kallithea.lib.utils import REMOVED_REPO_PAT, repo2db_mapper

from kallithea.lib.utils2 import ask_ok

from kallithea.model.db import Repository

from kallithea.model.scm import ScmModel

@cli_base.register_command(config_file_initialize_app=True)

@click.option('--remove-missing', is_flag=True,

        help='Remove missing repositories from the Kallithea database.')

def repo_scan(remove_missing):

    """Scan filesystem for repositories.

    Search the configured repository root for new repositories and add them

    into Kallithea.

    Additionally, report repositories that were previously known to Kallithea

    but are no longer present on the filesystem. If option --remove-missing is

    given, remove the missing repositories from the Kallithea database.

    """

    click.echo('Now scanning root location for new repos ...')

    added, removed = repo2db_mapper(ScmModel().repo_scan(),

                                    remove_obsolete=remove_missing)

    click.echo('Scan completed.')

    if added:

        click.echo('Added: %s' % ', '.join(added))

    if removed:

        click.echo('%s: %s' % ('Removed' if remove_missing else 'Missing',

                          ', '.join(removed)))

@cli_base.register_command(config_file_initialize_app=True)

@click.argument('repositories', nargs=-1)

def repo_update_metadata(repositories):

    """

    Update repository metadata in database from repository content.

    In normal operation, Kallithea will keep caches up-to-date

    automatically. However, if repositories are externally modified, e.g. by

    a direct push via the filesystem rather than via a Kallithea URL,

    Kallithea is not aware of it. In this case, you should manually run this

    command to update the repository cache.

    If no repositories are specified, the caches of all repositories are

    updated.

    """

    if not repositories:

        repo_list = Repository.query().all()

    else:

        repo_names = [n.strip() for n in repositories]

        repo_list = list(Repository.query()

                        .filter(Repository.repo_name.in_(repo_names)))

    for repo in repo_list:

        # update latest revision metadata in database

        repo.update_changeset_cache()

        # invalidate in-memory VCS object cache... will be repopulated on

        # first access

        repo.set_invalidate()

    click.echo('Updated database with information about latest change in the following %s repositories:' % (len(repo_list)))

    click.echo('\n'.join(repo.repo_name for repo in repo_list))

@cli_base.register_command(config_file_initialize_app=True)

@click.option('--ask/--no-ask', default=True, help='Ask for confirmation or not. Default is --ask.')

@click.option('--older-than',

        help="""Only purge repositories that have been removed at least the given time ago.

        For example, '--older-than=30d' purges repositories deleted 30 days ago or longer.

        Possible suffixes: d (days), h (hours), m (minutes), s (seconds).""")

def repo_purge_deleted(ask, older_than):

    """Purge backups of deleted repositories.

    When a repository is deleted via the Kallithea web interface, the actual

    data is still present on the filesystem but set aside using a special name.

    This command allows to delete these files permanently.

    """

    def _parse_older_than(val):

        regex = re.compile(r'((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)m)?((?P<seconds>\d+?)s)?')

        parts = regex.match(val)

        if not parts:

            return

        parts = parts.groupdict()

        time_params = {}

        for name, param in parts.items():

            if param:

                time_params[name] = int(param)

        return datetime.timedelta(**time_params)

    def _extract_date(name):

        """

        Extract the date part from rm__<date> pattern of removed repos,

        and convert it to datetime object

        :param name:

        """

        date_part = name[4:19]  # 4:19 since we don't parse milliseconds

        return datetime.datetime.strptime(date_part, '%Y%m%d_%H%M%S')

    repos_location = kallithea.CONFIG['base_path']

    to_remove = []

    for dn_, dirs, f in os.walk(repos_location):

        alldirs = list(dirs)

        del dirs[:]

        if ('.hg' in alldirs or

            '.git' in alldirs or

            '.svn' in alldirs or

            'objects' in alldirs and ('refs' in alldirs or 'packed-refs' in f)

        ):

            continue

        for loc in alldirs:

            if REMOVED_REPO_PAT.match(loc):

                to_remove.append([os.path.join(dn_, loc),

                                  _extract_date(loc)])

            else:

                dirs.append(loc)

        if dirs:

            click.echo('Scanning: %s' % dn_)

    if not to_remove:

        click.echo('There are no deleted repositories.')

        return

    # filter older than (if present)!

    if older_than:

        now = datetime.datetime.now()

        to_remove_filtered = []

        older_than_date = _parse_older_than(older_than)

        for name, date_ in to_remove:

            repo_age = now - date_

            if repo_age > older_than_date:

                to_remove_filtered.append([name, date_])

        to_remove = to_remove_filtered

        if not to_remove:

            click.echo('There are no deleted repositories older than %s (%s)'

                    % (older_than, older_than_date))

            return

        click.echo('Considering %s deleted repositories older than %s (%s).'

            % (len(to_remove), older_than, older_than_date))

    else:

        click.echo('Considering %s deleted repositories.' % len(to_remove))

    if not ask:

        remove = True

    else:

        remove = ask_ok('The following repositories will be removed completely:\n%s\n'

            'Do you want to proceed? [y/n] ' %

            '\n'.join('%s deleted on %s' % (path, date_) for path, date_ in to_remove))

    if remove:

        for path, date_ in to_remove:

            click.echo('Purging repository %s' % path)

            shutil.rmtree(path)

# -*- 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.controllers.admin.auth_settings

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

pluggable authentication controller 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: Nov 26, 2010

:author: akesterson

"""

import logging

import traceback

import formencode.htmlfill

from tg import request

from tg import tmpl_context as c

from tg.i18n import ugettext as _

from webob.exc import HTTPFound

from kallithea.lib import auth_modules

from kallithea.lib import helpers as h

from kallithea.lib.auth import HasPermissionAnyDecorator, LoginRequired

from kallithea.lib.base import BaseController, render

from kallithea.lib.webutils import url

from kallithea.model.db import Setting

from kallithea.model.forms import AuthSettingsForm

log = logging.getLogger(__name__)

class AuthSettingsController(BaseController):

    @LoginRequired()

    @HasPermissionAnyDecorator('hg.admin')

    def _before(self, *args, **kwargs):

        super(AuthSettingsController, self)._before(*args, **kwargs)

    def __load_defaults(self):

        c.available_plugins = [

            'kallithea.lib.auth_modules.auth_internal',

            'kallithea.lib.auth_modules.auth_container',

            'kallithea.lib.auth_modules.auth_ldap',

            'kallithea.lib.auth_modules.auth_crowd',

            'kallithea.lib.auth_modules.auth_pam'

        ]

        self.enabled_plugins = auth_modules.get_auth_plugins()

        c.enabled_plugin_names = [plugin.__class__.__module__ for plugin in self.enabled_plugins]

    def __render(self, defaults, errors):

        c.defaults = {}

        c.plugin_settings = {}

        c.plugin_shortnames = {}

        for plugin in self.enabled_plugins:

            module = plugin.__class__.__module__

            c.plugin_shortnames[module] = plugin.name

            c.plugin_settings[module] = plugin.plugin_settings()

            for v in c.plugin_settings[module]:

                fullname = "auth_%s_%s" % (plugin.name, v["name"])

                if "default" in v:

                    c.defaults[fullname] = v["default"]

                # Current values will be the default on the form, if there are any

                setting = Setting.get_by_name(fullname)

                if setting is not None:

                    c.defaults[fullname] = setting.app_settings_value

        if defaults:

            c.defaults.update(defaults)

        # we want to show , separated list of enabled plugins

        c.defaults['auth_plugins'] = ','.join(c.enabled_plugin_names)

        log.debug('defaults: %s', defaults)

        return formencode.htmlfill.render(

            render('admin/auth/auth_settings.html'),

            defaults=c.defaults,

            errors=errors,

            prefix_error=False,

            encoding="UTF-8",

            force_defaults=False)

    def index(self):

        self.__load_defaults()

        return self.__render(defaults=None, errors=None)

    def auth_settings(self):

        """POST create and store auth settings"""

        self.__load_defaults()

        log.debug("POST Result: %s", dict(request.POST))

        # First, parse only the plugin list (not the plugin settings).

        _auth_plugins_validator = AuthSettingsForm([]).fields['auth_plugins']

        try:

            new_enabled_plugins = _auth_plugins_validator.to_python(request.POST.get('auth_plugins'))

        except formencode.Invalid:

            # User provided an invalid plugin list. Just fall back to

            # the list of currently enabled plugins. (We'll re-validate

            # and show an error message to the user, below.)

            pass

        else:

            # Hide plugins that the user has asked to be disabled, but

            # do not show plugins that the user has asked to be enabled

            # (yet), since that'll cause validation errors and/or wrong

            # settings being applied (e.g. checkboxes being cleared),

            # since the plugin settings will not be in the POST data.

            c.enabled_plugin_names = [p for p in c.enabled_plugin_names if p in new_enabled_plugins]

        # Next, parse everything including plugin settings.

        _form = AuthSettingsForm(c.enabled_plugin_names)()

        try:

            form_result = _form.to_python(dict(request.POST))

            for k, v in form_result.items():

                if k == 'auth_plugins':

                    # we want to store it comma separated inside our settings

                    v = ','.join(v)

                log.debug("%s = %s", k, str(v))

                setting = Setting.create_or_update(k, v)

            h.flash(_('Auth settings updated successfully'),

                       category='success')

        except formencode.Invalid as errors:

            log.error(traceback.format_exc())

            e = errors.error_dict or {}

            return self.__render(

                defaults=errors.value,

                errors=e,

            )

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of auth settings'),

                    category='error')

        raise HTTPFound(location=url('auth_home'))

# -*- 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.controllers.admin.defaults

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

default settings controller 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 27, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from formencode import htmlfill

from tg import request

from tg.i18n import ugettext as _

from webob.exc import HTTPFound

from kallithea.lib import helpers as h

from kallithea.lib.auth import HasPermissionAnyDecorator, LoginRequired

from kallithea.lib.base import BaseController, render

from kallithea.lib.webutils import url

from kallithea.model.db import Setting

from kallithea.model.forms import DefaultsForm

log = logging.getLogger(__name__)

class DefaultsController(BaseController):

    @LoginRequired()

    @HasPermissionAnyDecorator('hg.admin')

    def _before(self, *args, **kwargs):

        super(DefaultsController, self)._before(*args, **kwargs)

    def index(self, format='html'):

        defaults = Setting.get_default_repo_settings()

        return htmlfill.render(

            render('admin/defaults/defaults.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    def update(self, id):

        _form = DefaultsForm()()

        try:

            form_result = _form.to_python(dict(request.POST))

            for k, v in form_result.items():

                setting = Setting.create_or_update(k, v)

            h.flash(_('Default settings updated successfully'),

                    category='success')

        except formencode.Invalid as errors:

            defaults = errors.value

            return htmlfill.render(

                render('admin/defaults/defaults.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during update of defaults'),

                    category='error')

        raise HTTPFound(location=url('defaults'))

# -*- 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.controllers.admin.gists

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

gist controller 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: May 9, 2013

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode.htmlfill

from sqlalchemy.sql.expression import or_

from tg import request, response

from tg import tmpl_context as c

from tg.i18n import ugettext as _

from webob.exc import HTTPForbidden, HTTPFound, HTTPNotFound

from kallithea.lib import helpers as h

from kallithea.lib.auth import LoginRequired

from kallithea.lib.base import BaseController, jsonify, render

from kallithea.lib.page import Page

from kallithea.lib.utils2 import safe_int, safe_str, time_to_datetime

from kallithea.lib.vcs.exceptions import NodeNotChangedError, VCSError

from kallithea.lib.webutils import url

from kallithea.model.db import Gist

from kallithea.model.forms import GistForm

from kallithea.model.gist import GistModel

log = logging.getLogger(__name__)

class GistsController(BaseController):

    def __load_defaults(self, extra_values=None):

        c.lifetime_values = [

            (str(-1), _('Forever')),

            (str(5), _('5 minutes')),

            (str(60), _('1 hour')),

            (str(60 * 24), _('1 day')),

            (str(60 * 24 * 30), _('1 month')),

        ]

        if extra_values:

            c.lifetime_values.append(extra_values)

        c.lifetime_options = [(c.lifetime_values, _("Lifetime"))]

    @LoginRequired(allow_default_user=True)

    def index(self):

        not_default_user = not request.authuser.is_default_user

        c.show_private = request.GET.get('private') and not_default_user

        c.show_public = request.GET.get('public') and not_default_user

        url_params = {}

        if c.show_public:

            url_params['public'] = 1

        elif c.show_private:

            url_params['private'] = 1

        gists = Gist().query() \

            .filter_by(is_expired=False) \

            .order_by(Gist.created_on.desc())

        # MY private

        if c.show_private and not c.show_public:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PRIVATE) \

                             .filter(Gist.owner_id == request.authuser.user_id)

        # MY public

        elif c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC) \

                             .filter(Gist.owner_id == request.authuser.user_id)

        # MY public+private

        elif c.show_private and c.show_public:

            gists = gists.filter(or_(Gist.gist_type == Gist.GIST_PUBLIC,

                                     Gist.gist_type == Gist.GIST_PRIVATE)) \

                             .filter(Gist.owner_id == request.authuser.user_id)

        # default show ALL public gists

        if not c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC)

        c.gists = gists

        p = safe_int(request.GET.get('page'), 1)

        c.gists_pager = Page(c.gists, page=p, items_per_page=10,

                             **url_params)

        return render('admin/gists/index.html')

    @LoginRequired()

    def create(self):

        self.__load_defaults()

        gist_form = GistForm([x[0] for x in c.lifetime_values])()

        try:

            form_result = gist_form.to_python(dict(request.POST))

            # TODO: multiple files support, from the form

            filename = form_result['filename'] or Gist.DEFAULT_FILENAME

            nodes = {

                filename: {

                    'content': form_result['content'],

                    'lexer': form_result['mimetype']  # None is autodetect

                }

            }

            _public = form_result['public']

            gist_type = Gist.GIST_PUBLIC if _public else Gist.GIST_PRIVATE

            gist = GistModel().create(

                description=form_result['description'],

                owner=request.authuser.user_id,

                ip_addr=request.ip_addr,

                gist_mapping=nodes,

                gist_type=gist_type,

                lifetime=form_result['lifetime']

            )

            new_gist_id = gist.gist_access_id

        except formencode.Invalid as errors:

            defaults = errors.value

            return formencode.htmlfill.render(

                render('admin/gists/new.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception as e:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during gist creation'), category='error')

            raise HTTPFound(location=url('new_gist'))

        raise HTTPFound(location=url('gist', gist_id=new_gist_id))

    @LoginRequired()

    def new(self, format='html'):

        self.__load_defaults()

        return render('admin/gists/new.html')

    @LoginRequired()

    def delete(self, gist_id):

        gist = GistModel().get_gist(gist_id)

        owner = gist.owner_id == request.authuser.user_id

        if h.HasPermissionAny('hg.admin')() or owner:

            GistModel().delete(gist)

            h.flash(_('Deleted gist %s') % gist.gist_access_id, category='success')

        else:

            raise HTTPForbidden()

        raise HTTPFound(location=url('gists'))

    @LoginRequired(allow_default_user=True)

    def show(self, gist_id, revision='tip', format='html', f_path=None):

        c.gist = Gist.get_or_404(gist_id)

        if c.gist.is_expired:

            log.error('Gist expired at %s',

                      time_to_datetime(c.gist.gist_expires))

            raise HTTPNotFound()

        try:

            c.file_changeset, c.files = GistModel().get_gist_files(gist_id,

                                                            revision=revision)