[5f7d38]: Allura / allura / app.py Maximize Restore History

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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
from urllib import basejoin
from cStringIO import StringIO
from tg import expose, redirect, flash
from tg.decorators import without_trailing_slash
from pylons import request, app_globals as g, tmpl_context as c
from paste.deploy.converters import asbool, asint
from bson import ObjectId
from ming.orm import session, state
from ming.utils import LazyProperty
from allura.lib import helpers as h
from allura.lib.security import require, has_access, require_access
from allura import model
from allura.controllers import BaseController
from allura.lib.decorators import require_post, event_handler
from allura.lib.utils import permanent_redirect
log = logging.getLogger(__name__)
class ConfigOption(object):
def __init__(self, name, ming_type, default, label=None):
self.name, self.ming_type, self._default, self.label = (
name, ming_type, default, label or name)
@property
def default(self):
if callable(self._default):
return self._default()
return self._default
class SitemapEntry(object):
def __init__(self, label, url=None, children=None, className=None,
ui_icon=None, small=None, tool_name=None):
self.label = label
self.className = className
if url is not None:
url = url.encode('utf-8')
self.url = url
self.small = small
self.ui_icon = ui_icon
if children is None:
children = []
self.children = children
self.tool_name = tool_name
self.matching_urls = []
def __getitem__(self, x):
"""
Automatically expand the list of sitemap child entries with the given items. Example:
SitemapEntry('HelloForge')[
SitemapEntry('foo')[
SitemapEntry('Pages')[pages]
]
]
TODO: deprecate this; use a more clear method of building a tree
"""
if isinstance(x, (list, tuple)):
self.children.extend(list(x))
else:
self.children.append(x)
return self
def __repr__(self):
l = ['<SitemapEntry ']
l.append(' label=%r' % self.label)
l.append(' url=%r' % self.url)
l.append(' children=%s' % repr(self.children).replace('\n', '\n '))
l.append('>')
return '\n'.join(l)
def bind_app(self, app):
lbl = self.label
url = self.url
if callable(lbl):
lbl = lbl(app)
if url is not None:
url = basejoin(app.url, url)
return SitemapEntry(lbl, url, [
ch.bind_app(app) for ch in self.children], className=self.className)
def extend(self, sitemap):
child_index = dict(
(ch.label, ch) for ch in self.children)
for e in sitemap:
lbl = e.label
match = child_index.get(e.label)
if match and match.url == e.url:
match.extend(e.children)
else:
self.children.append(e)
child_index[lbl] = e
def matches_url(self, request):
"""Return true if this SitemapEntry 'matches' the url of `request`."""
return self.url in request.upath_info or any([
url in request.upath_info for url in self.matching_urls])
class Application(object):
"""
The base Allura pluggable application
After extending this, expose the app by adding an entry point in your
setup.py:
[allura]
myapp = foo.bar.baz:MyAppClass
:cvar str status: One of 'production', 'beta', 'alpha', or 'user'. By
default, only 'production' apps are installable in projects. Default
is 'production'.
:cvar bool searchable: If True, show search box in the left menu of this
Application. Default is True.
:cvar list permissions: Named permissions used by instances of this
Application. Default is [].
:cvar list sitemap: :class:`SitemapEntries <allura.app.SitemapEntry>`
used to create the Application's navigation in the left side bar.
Default is [].
:cvar bool installable: Default is True, Application can be installed in
projects.
:cvar bool hidden: Default is False, Application is not hidden from the
list of a project's installed tools.
:cvar str tool_description: Text description of this Application.
:cvar bool relaxed_mount_points: Set to True to relax the default mount point
naming restrictions for this Application. Default is False. See
:attr:`default mount point naming rules <allura.lib.helpers.re_tool_mount_point>` and
:attr:`relaxed mount point naming rules <allura.lib.helpers.re_relaxed_tool_mount_point>`.
:cvar Controller root: Serves content at
/<neighborhood>/<project>/<app>/. Default is None - subclasses should
override.
:cvar Controller api_root: Serves API access at
/rest/<neighborhood>/<project>/<app>/. Default is None - subclasses
should override to expose API access to the Application.
:ivar Controller admin: Serves admin functions at
/<neighborhood>/<project>/<admin>/<app>/. Default is a
:class:`DefaultAdminController` instance.
:cvar dict icons: Mapping of icon sizes to application-specific icon paths.
"""
__version__ = None
config_options = [
ConfigOption('mount_point', str, 'app'),
ConfigOption('mount_label', str, 'app'),
ConfigOption('ordinal', int, '0')]
status_map = ['production', 'beta', 'alpha', 'user']
status = 'production'
script_name = None
root = None # root controller
api_root = None
permissions = []
sitemap = []
installable = True
searchable = False
DiscussionClass = model.Discussion
PostClass = model.Post
AttachmentClass = model.DiscussionAttachment
tool_label='Tool'
tool_description="This is a tool for Allura forge."
default_mount_label='Tool Name'
default_mount_point='tool'
relaxed_mount_points=False
ordinal=0
hidden = False
icons={
24:'images/admin_24.png',
32:'images/admin_32.png',
48:'images/admin_48.png'
}
def __init__(self, project, app_config_object):
self.project = project
self.config = app_config_object
self.admin = DefaultAdminController(self)
@LazyProperty
def url(self):
return self.config.url(project=self.project)
@property
def acl(self):
return self.config.acl
def parent_security_context(self):
return self.config.parent_security_context()
@classmethod
def validate_mount_point(cls, mount_point):
"""Check if ``mount_point`` is valid for this Application.
In general, subclasses should not override this, but rather toggle
the strictness of allowed mount point names by toggling
:attr:`Application.relaxed_mount_points`.
:param mount_point: the mount point to validate
:type mount_point: str
:rtype: A :class:`regex Match object <_sre.SRE_Match>` if the mount
point is valid, else None
"""
re = (h.re_relaxed_tool_mount_point if cls.relaxed_mount_points
else h.re_tool_mount_point)
return re.match(mount_point)
@classmethod
def status_int(self):
return self.status_map.index(self.status)
@classmethod
def icon_url(self, size):
'''Subclasses (tools) provide their own icons (preferred) or in
extraordinary circumstances override this routine to provide
the URL to an icon of the requested size specific to that tool.
Application.icons is simply a default if no more specific icon
is available.
'''
resource = self.icons.get(size)
if resource:
return g.theme_href(resource)
return ''
def has_access(self, user, topic):
"""Return True if ``user`` can send email to ``topic``.
Default is False.
:param user: :class:`allura.model.User` instance
:param topic: str
:rtype: bool
"""
return False
def is_visible_to(self, user):
"""Return True if ``user`` can view this app.
:type user: :class:`allura.model.User` instance
:rtype: bool
"""
return has_access(self, 'read')(user=user)
def subscribe_admins(self):
for uid in g.credentials.userids_with_named_role(self.project._id, 'Admin'):
model.Mailbox.subscribe(
type='direct',
user_id=uid,
project_id=self.project._id,
app_config_id=self.config._id)
def subscribe(self, user):
if user and user != model.User.anonymous():
model.Mailbox.subscribe(
type='direct',
user_id=user._id,
project_id=self.project._id,
app_config_id=self.config._id)
@classmethod
def default_options(cls):
"""Return a ``(name, default value)`` mapping of this Application's
:class:`config_options <ConfigOption>`.
:rtype: dict
"""
return dict(
(co.name, co.default)
for co in cls.config_options)
def install(self, project):
'Whatever logic is required to initially set up a tool'
# Create the discussion object
discussion = self.DiscussionClass(
shortname=self.config.options.mount_point,
name='%s Discussion' % self.config.options.mount_point,
description='Forum for %s comments' % self.config.options.mount_point)
session(discussion).flush()
self.config.discussion_id = discussion._id
self.subscribe_admins()
def uninstall(self, project=None, project_id=None):
'Whatever logic is required to tear down a tool'
if project_id is None: project_id = project._id
# De-index all the artifacts belonging to this tool in one fell swoop
g.solr.delete(q='project_id_s:"%s" AND mount_point_s:"%s"' % (
project_id, self.config.options['mount_point']))
for d in model.Discussion.query.find({
'project_id':project_id,
'app_config_id':self.config._id}):
d.delete()
self.config.delete()
session(self.config).flush()
@property
def uninstallable(self):
"""Return True if this app can be uninstalled. Controls whether the
'Delete' option appears on the admin menu for this app.
By default, an app can be uninstalled iff it can be installed, although
some apps may want/need to override this (e.g. an app which can
not be installed directly by a user, but may be uninstalled).
"""
return self.installable
def main_menu(self):
'''Apps should provide their entries to be added to the main nav
:return: a list of :class:`SitemapEntries <allura.app.SitemapEntry>`
'''
return self.sitemap
def sidebar_menu(self):
"""
Apps should override this to provide their menu
:return: a list of :class:`SitemapEntries <allura.app.SitemapEntry>`
"""
return []
def sidebar_menu_js(self):
"""
Apps can override this to provide Javascript needed by the sidebar_menu.
:return: a string of Javascript code
"""
return ""
def admin_menu(self, force_options=False):
"""Return the admin menu for this Application.
Default implementation will return a menu with up to 3 links:
- 'Permissions', if the current user has admin access to the
project in which this Application is installed
- 'Options', if this Application has custom options, or
``force_options`` is True
- 'Label', for editing this Application's label
Subclasses should override this method to provide additional admin
menu items.
:param force_options: always include an 'Options' link in the menu,
even if this Application has no custom options
:return: a list of :class:`SitemapEntries <allura.app.SitemapEntry>`
"""
admin_url = c.project.url()+'admin/'+self.config.options.mount_point+'/'
links = []
if self.permissions and has_access(c.project, 'admin')():
links.append(SitemapEntry('Permissions', admin_url + 'permissions'))
if force_options or len(self.config_options) > 3:
links.append(SitemapEntry('Options', admin_url + 'options', className='admin_modal'))
links.append(SitemapEntry('Label', admin_url + 'edit_label', className='admin_modal'))
return links
def handle_message(self, topic, message):
"""Handle incoming email msgs addressed to this tool.
Default is a no-op.
:param topic: portion of destination email address preceeding the '@'
:type topic: str
:param message: parsed email message
:type message: dict - result of
:func:`allura.lib.mail_util.parse_message`
:rtype: None
"""
pass
def handle_artifact_message(self, artifact, message):
# Find ancestor comment and thread
thd, parent_id = artifact.get_discussion_thread(message)
# Handle attachments
message_id = message['message_id']
if message.get('filename'):
# Special case - the actual post may not have been created yet
log.info('Saving attachment %s', message['filename'])
fp = StringIO(message['payload'])
self.AttachmentClass.save_attachment(
message['filename'], fp,
content_type=message.get('content_type', 'application/octet-stream'),
discussion_id=thd.discussion_id,
thread_id=thd._id,
post_id=message_id,
artifact_id=message_id)
return
# Handle duplicates
post = self.PostClass.query.get(_id=message_id)
if post:
log.info('Existing message_id %s found - saving this as text attachment' % message_id)
fp = StringIO(message['payload'])
post.attach(
'alternate', fp,
content_type=message.get('content_type', 'application/octet-stream'),
discussion_id=thd.discussion_id,
thread_id=thd._id,
post_id=message_id)
else:
text=message['payload'] or '--no text body--'
post = thd.post(
message_id=message_id,
parent_id=parent_id,
text=text,
subject=message['headers'].get('Subject', 'no subject'))
class DefaultAdminController(BaseController):
def __init__(self, app):
self.app = app
@expose()
def index(self, **kw):
permanent_redirect('permissions')
@expose('jinja:allura:templates/app_admin_permissions.html')
@without_trailing_slash
def permissions(self):
from ext.admin.widgets import PermissionCard
c.card = PermissionCard()
permissions = dict((p, []) for p in self.app.permissions)
for ace in self.app.config.acl:
if ace.access == model.ACE.ALLOW:
try:
permissions[ace.permission].append(ace.role_id)
except KeyError:
# old, unknown permission
pass
return dict(
app=self.app,
allow_config=has_access(c.project, 'admin')(),
permissions=permissions)
@expose('jinja:allura:templates/app_admin_edit_label.html')
def edit_label(self):
return dict(
app=self.app,
allow_config=has_access(self.app, 'configure')())
@expose()
@require_post()
def update_label(self, mount_label):
require_access(self.app, 'configure')
self.app.config.options['mount_label'] = mount_label
redirect(request.referer)
@expose('jinja:allura:templates/app_admin_options.html')
def options(self):
return dict(
app=self.app,
allow_config=has_access(self.app, 'configure')())
@expose()
@require_post()
def configure(self, **kw):
with h.push_config(c, app=self.app):
require_access(self.app, 'configure')
is_admin = self.app.config.tool_name == 'admin'
if kw.pop('delete', False):
if is_admin:
flash('Cannot delete the admin tool, sorry....')
redirect('.')
c.project.uninstall_app(self.app.config.options.mount_point)
redirect('..')
for opt in self.app.config_options:
if opt in Application.config_options:
continue # skip base options (mount_point, mount_label, ordinal)
val = kw.get(opt.name, '')
if opt.ming_type == bool:
val = asbool(val or False)
elif opt.ming_type == int:
val = asint(val or 0)
self.app.config.options[opt.name] = val
if is_admin:
# possibly moving admin mount point
redirect('/'
+ c.project._id
+ self.app.config.options.mount_point
+ '/'
+ self.app.config.options.mount_point
+ '/')
else:
redirect(request.referer)
@without_trailing_slash
@expose()
@h.vardec
@require_post()
def update(self, card=None, **kw):
old_acl = self.app.config.acl
self.app.config.acl = []
for args in card:
perm = args['id']
new_group_ids = args.get('new', [])
del_group_ids = []
group_ids = args.get('value', [])
if isinstance(new_group_ids, basestring):
new_group_ids = [ new_group_ids ]
if isinstance(group_ids, basestring):
group_ids = [ group_ids ]
for acl in old_acl:
if (acl['permission']==perm) and (str(acl['role_id']) not in group_ids):
del_group_ids.append(str(acl['role_id']))
if new_group_ids or del_group_ids:
model.AuditLog.log('updated "%s" permission: "%s" => "%s" for %s' % (
perm,
', '.join(map(lambda id: model.ProjectRole.query.get(_id=ObjectId(id)).name, group_ids+del_group_ids)),
', '.join(map(lambda id: model.ProjectRole.query.get(_id=ObjectId(id)).name, group_ids+new_group_ids)),
self.app.config.options['mount_point']))
role_ids = map(ObjectId, group_ids + new_group_ids)
self.app.config.acl += [
model.ACE.allow(r, perm) for r in role_ids]
redirect(request.referer)