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 bson import ObjectId
from ming.orm import session, state
from ming.utils import LazyProperty
from allura.lib.helpers import push_config, vardec
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):
self.name, self.ming_type, self._default = (
name, ming_type, default)
@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):
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
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
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
:var status: the status level of this app. 'production' apps are available to all projects
:var bool searchable: toggle if the search box appears in the left menu
:var permissions: a list of named permissions used by the app
:var sitemap: a list of :class:`SitemapEntries <allura.app.SitemapEntry>` to create an app navigation.
:var bool installable: toggle if the app can be installed in a project
:var bool hidden: toggle if the app should be hidden from the list of tools
:var Controller self.root: the root Controller used for the app
:var Controller self.api_root: a Controller used for API access at /rest/<neighborhood>/<project>/<app>/
:var Controller self.admin: a Controller used in the admin interface
"""
__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'
default_mount_label='Tool Name'
default_mount_point='tool'
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 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):
'''Whether the user has access to send email to the given topic'''
return False
def is_visible_to(self, user):
'''Whether the user can view the app.'''
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)
@classmethod
def default_options(cls):
":return: the default config options"
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):
"""
Apps may override this to provide additional admin menu items
: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'''
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 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 k,v in kw.iteritems():
self.app.config.options[k] = v
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()
@vardec
@require_post()
def update(self, card=None, **kw):
self.app.config.acl = []
for args in card:
perm = args['id']
new_group_ids = args.get('new', [])
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 ]
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)
@event_handler('project_updated')
def subscribe_admins(topic):
for ac in c.project.app_configs:
c.project.app_instance(ac).subscribe_admins()