398 lines
16 KiB
Python
398 lines
16 KiB
Python
# Copyright The IETF Trust 2007-2019, All Rights Reserved
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# -*- coding: utf-8 -*-
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import datetime
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import email.utils
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import json
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import jsonfield
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import os
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import re
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import requests
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from jwcrypto import jwk, jws
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from jwcrypto.common import json_encode
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from urlparse import urljoin
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from django.conf import settings
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from django.core.validators import RegexValidator
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from django.db import models
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from django.db.models.deletion import CASCADE
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from django.dispatch import receiver
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from simple_history.models import HistoricalRecords
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import debug # pyflakes:ignore
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from ietf.group.colors import fg_group_colors, bg_group_colors
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from ietf.name.models import GroupStateName, GroupTypeName, DocTagName, GroupMilestoneStateName, RoleName, AgendaTypeName
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from ietf.person.models import Email, Person
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from ietf.utils.mail import formataddr
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from ietf.utils import log
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from ietf.utils.models import ForeignKey, OneToOneField
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class GroupInfo(models.Model):
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time = models.DateTimeField(default=datetime.datetime.now)
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name = models.CharField(max_length=80)
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state = ForeignKey(GroupStateName, null=True)
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type = ForeignKey(GroupTypeName, null=True)
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parent = ForeignKey('Group', blank=True, null=True)
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description = models.TextField(blank=True)
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list_email = models.CharField(max_length=64, blank=True)
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list_subscribe = models.CharField(max_length=255, blank=True)
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list_archive = models.CharField(max_length=255, blank=True)
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comments = models.TextField(blank=True)
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unused_states = models.ManyToManyField('doc.State', help_text="Document states that have been disabled for the group.", blank=True)
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unused_tags = models.ManyToManyField(DocTagName, help_text="Document tags that have been disabled for the group.", blank=True)
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def __unicode__(self):
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return self.name
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def ad_role(self):
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return self.role_set.filter(name='ad').first()
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@property
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def features(self):
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if not hasattr(self, "features_cache"):
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self.features_cache = GroupFeatures.objects.get(type=self.type)
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return self.features_cache
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def about_url(self):
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# bridge gap between group-type prefixed URLs and /group/ ones
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from django.urls import reverse as urlreverse
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kwargs = { 'acronym': self.acronym }
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if self.features.acts_like_wg:
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kwargs["group_type"] = self.type_id
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return urlreverse(self.features.about_page, kwargs=kwargs)
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def interim_approval_roles(self):
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return list(set([ role for role in self.parent.role_set.filter(name__in=['ad', 'chair']) ]))
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def is_bof(self):
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return (self.state.slug in ["bof", "bof-conc"])
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class Meta:
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abstract = True
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class GroupManager(models.Manager):
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def active_wgs(self):
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return self.get_queryset().filter(type='wg', state__in=('bof','proposed','active'))
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class Group(GroupInfo):
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objects = GroupManager()
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acronym = models.SlugField(max_length=40, unique=True, db_index=True)
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charter = OneToOneField('doc.Document', related_name='chartered_group', blank=True, null=True)
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def latest_event(self, *args, **filter_args):
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"""Get latest event of optional Python type and with filter
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arguments, e.g. g.latest_event(type="xyz") returns a GroupEvent
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while g.latest_event(ChangeStateGroupEvent, type="xyz") returns a
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ChangeStateGroupEvent event."""
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model = args[0] if args else GroupEvent
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e = model.objects.filter(group=self).filter(**filter_args).order_by('-time', '-id')[:1]
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return e[0] if e else None
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def has_role(self, user, role_names):
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if isinstance(role_names, str) or isinstance(role_names, unicode):
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role_names = [role_names]
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return user.is_authenticated and self.role_set.filter(name__in=role_names, person__user=user).exists()
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def is_decendant_of(self, sought_parent):
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parent = self.parent
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decendants = [ self, ]
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while (parent != None) and (parent not in decendants):
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decendants = [ parent ] + decendants
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if parent.acronym == sought_parent:
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return True
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parent = parent.parent
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log.assertion('parent not in decendants')
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return False
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def get_chair(self):
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chair = self.role_set.filter(name__slug='chair')[:1]
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return chair and chair[0] or None
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# these are copied to Group because it is still proxied.
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@property
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def upcase_acronym(self):
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return self.acronym.upper()
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@property
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def fg_color(self):
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return fg_group_colors[self.upcase_acronym]
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@property
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def bg_color(self):
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return bg_group_colors[self.upcase_acronym]
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def json_url(self):
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return "/group/%s.json" % (self.acronym,)
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def json_dict(self, host_scheme):
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group1= dict()
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group1['href'] = urljoin(host_scheme, self.json_url())
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group1['acronym'] = self.acronym
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group1['name'] = self.name
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group1['state'] = self.state.slug
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group1['type'] = self.type.slug
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if self.parent is not None:
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group1['parent_href'] = urljoin(host_scheme, self.parent.json_url())
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# uncomment when people URL handle is created
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try:
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if self.ad_role() is not None:
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group1['ad_href'] = urljoin(host_scheme, self.ad_role().person.json_url())
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except Person.DoesNotExist:
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pass
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group1['list_email'] = self.list_email
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group1['list_subscribe'] = self.list_subscribe
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group1['list_archive'] = self.list_archive
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group1['comments'] = self.comments
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return group1
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def has_tools_page(self):
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return self.type_id in ['wg', ] and self.state_id in ['active', 'dormant', 'replaced', 'conclude']
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def liaison_approvers(self):
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'''Returns roles that have liaison statement approval authority for group'''
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# a list of tuples, group query kwargs, role query kwargs
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GROUP_APPROVAL_MAPPING = [
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({'acronym':'ietf'},{'name':'chair'}),
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({'acronym':'iab'},{'name':'chair'}),
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({'type':'area'},{'name':'ad'}),
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({'type':'wg'},{'name':'ad'}), ]
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for group_kwargs,role_kwargs in GROUP_APPROVAL_MAPPING:
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if self in Group.objects.filter(**group_kwargs):
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# TODO is there a cleaner way?
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if self.type == 'wg':
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return self.parent.role_set.filter(**role_kwargs)
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else:
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return self.role_set.filter(**role_kwargs)
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return self.role_set.none()
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def status_for_meeting(self,meeting):
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end_date = meeting.end_date()+datetime.timedelta(days=1)
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previous_meeting = meeting.previous_meeting()
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status_events = self.groupevent_set.filter(type='status_update',time__lte=end_date).order_by('-time')
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if previous_meeting:
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status_events = status_events.filter(time__gte=previous_meeting.end_date()+datetime.timedelta(days=1))
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return status_events.first()
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def get_description(self):
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"""
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Return self.description if set, otherwise the first paragraph of the
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charter if any, else a short error message. Used to provide a
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fallback for self.description in group.resources.GroupResource.
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"""
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desc = 'No description available'
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if self.description:
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desc = self.description
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elif self.charter:
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path = self.charter.get_file_name()
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if os.path.exists(path):
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text = self.charter.text()
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# split into paragraphs and grab the first non-empty one
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if text:
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desc = [ p for p in re.split('\r?\n\s*\r?\n\s*', text) if p.strip() ][0]
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return desc
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validate_comma_separated_materials = RegexValidator(
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regex=r"[a-z0-9_-]+(,[a-z0-9_-]+)*",
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message="Enter a comma-separated list of material types",
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code='invalid',
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)
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validate_comma_separated_roles = RegexValidator(
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regex=r"[a-z0-9_-]+(,[a-z0-9_-]+)*",
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message="Enter a comma-separated list of role slugs",
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code='invalid',
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)
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class GroupFeatures(models.Model):
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type = OneToOneField(GroupTypeName, primary_key=True, null=False, related_name='features')
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history = HistoricalRecords()
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#
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has_milestones = models.BooleanField("Milestones", default=False)
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has_chartering_process = models.BooleanField("Chartering", default=False)
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has_documents = models.BooleanField("Documents", default=False) # i.e. drafts/RFCs
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has_session_materials = models.BooleanField("Sess Matrl.", default=False)
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has_nonsession_materials= models.BooleanField("Other Matrl.", default=False)
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has_meetings = models.BooleanField("Meetings", default=False)
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has_reviews = models.BooleanField("Reviews", default=False)
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has_default_jabber = models.BooleanField("Jabber", default=False)
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#
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acts_like_wg = models.BooleanField("WG-Like", default=False)
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create_wiki = models.BooleanField("Wiki", default=False)
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custom_group_roles = models.BooleanField("Cust. Roles",default=False)
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customize_workflow = models.BooleanField("Workflow", default=False)
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is_schedulable = models.BooleanField("Schedulable",default=False)
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show_on_agenda = models.BooleanField("On Agenda", default=False)
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req_subm_approval = models.BooleanField("Subm. Approval", default=False)
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#
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agenda_type = models.ForeignKey(AgendaTypeName, null=True, default="ietf", on_delete=CASCADE)
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about_page = models.CharField(max_length=64, blank=False, default="ietf.group.views.group_about" )
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default_tab = models.CharField(max_length=64, blank=False, default="ietf.group.views.group_about" )
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material_types = jsonfield.JSONField(max_length=64, blank=False, default=["slides"])
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admin_roles = jsonfield.JSONField(max_length=64, blank=False, default=["chair"]) # Trac Admin
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docman_roles = jsonfield.JSONField(max_length=128, blank=False, default=["ad","chair","delegate","secr"])
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groupman_roles = jsonfield.JSONField(max_length=128, blank=False, default=["ad","chair",])
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matman_roles = jsonfield.JSONField(max_length=128, blank=False, default=["ad","chair","delegate","secr"])
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role_order = jsonfield.JSONField(max_length=128, blank=False, default=["chair","secr","member"],
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help_text="The order in which roles are shown, for instance on photo pages. Enter valid JSON.")
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class GroupHistory(GroupInfo):
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group = ForeignKey(Group, related_name='history_set')
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acronym = models.CharField(max_length=40)
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class Meta:
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verbose_name_plural="group histories"
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class GroupURL(models.Model):
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group = ForeignKey(Group)
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name = models.CharField(max_length=255)
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url = models.URLField()
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def __unicode__(self):
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return u"%s (%s)" % (self.url, self.name)
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class GroupMilestoneInfo(models.Model):
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group = ForeignKey(Group)
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# a group has two sets of milestones, current milestones
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# (active/under review/deleted) and charter milestones (active
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# during a charter/recharter event), events for charter milestones
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# are stored on the charter document
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state = ForeignKey(GroupMilestoneStateName)
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desc = models.CharField(verbose_name="Description", max_length=500)
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due = models.DateField()
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resolved = models.CharField(max_length=50, blank=True, help_text="Explanation of why milestone is resolved (usually \"Done\"), or empty if still due.")
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docs = models.ManyToManyField('doc.Document', blank=True)
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def __unicode__(self):
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return self.desc[:20] + "..."
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class Meta:
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abstract = True
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ordering = ['due', 'id']
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class GroupMilestone(GroupMilestoneInfo):
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time = models.DateTimeField(auto_now=True)
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class GroupMilestoneHistory(GroupMilestoneInfo):
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time = models.DateTimeField()
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milestone = ForeignKey(GroupMilestone, related_name="history_set")
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class GroupStateTransitions(models.Model):
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"""Captures that a group has overriden the default available
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document state transitions for a certain state."""
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group = ForeignKey(Group)
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state = ForeignKey('doc.State', help_text="State for which the next states should be overridden")
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next_states = models.ManyToManyField('doc.State', related_name='previous_groupstatetransitions_states')
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def __unicode__(self):
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return u'%s "%s" -> %s' % (self.group.acronym, self.state.name, [s.name for s in self.next_states.all()])
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GROUP_EVENT_CHOICES = [
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("changed_state", "Changed state"),
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("added_comment", "Added comment"),
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("info_changed", "Changed metadata"),
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("requested_close", "Requested closing group"),
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("changed_milestone", "Changed milestone"),
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("sent_notification", "Sent notification"),
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("status_update", "Status update"),
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]
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class GroupEvent(models.Model):
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"""An occurrence for a group, used for tracking who, when and what."""
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group = ForeignKey(Group)
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time = models.DateTimeField(default=datetime.datetime.now, help_text="When the event happened")
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type = models.CharField(max_length=50, choices=GROUP_EVENT_CHOICES)
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by = ForeignKey(Person)
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desc = models.TextField()
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def __unicode__(self):
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return u"%s %s at %s" % (self.by.plain_name(), self.get_type_display().lower(), self.time)
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class Meta:
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ordering = ['-time', 'id']
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class ChangeStateGroupEvent(GroupEvent):
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state = ForeignKey(GroupStateName)
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class MilestoneGroupEvent(GroupEvent):
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milestone = ForeignKey(GroupMilestone)
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class Role(models.Model):
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name = ForeignKey(RoleName)
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group = ForeignKey(Group)
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person = ForeignKey(Person)
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email = ForeignKey(Email, help_text="Email address used by person for this role.")
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def __unicode__(self):
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return u"%s is %s in %s" % (self.person.plain_name(), self.name.name, self.group.acronym or self.group.name)
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def formatted_ascii_email(self):
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return email.utils.formataddr((self.person.plain_ascii(), self.email.address))
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def formatted_email(self):
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return formataddr((self.person.plain_name(), self.email.address))
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class Meta:
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ordering = ['name_id', ]
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class RoleHistory(models.Model):
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# RoleHistory doesn't have a time field as it's not supposed to be
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# used on its own - there should always be a GroupHistory
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# accompanying a change in roles, so lookup the appropriate
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# GroupHistory instead
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name = ForeignKey(RoleName)
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group = ForeignKey(GroupHistory)
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person = ForeignKey(Person)
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email = ForeignKey(Email, help_text="Email address used by person for this role.")
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def __unicode__(self):
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return u"%s is %s in %s" % (self.person.plain_name(), self.name.name, self.group.acronym)
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class Meta:
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verbose_name_plural = "role histories"
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# --- Signal hooks for group models ---
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@receiver(models.signals.pre_save, sender=Group)
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def notify_rfceditor_of_group_name_change(sender, instance=None, **kwargs):
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if instance:
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try:
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current = Group.objects.get(pk=instance.pk)
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except Group.DoesNotExist:
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return
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url = settings.RFC_EDITOR_GROUP_NOTIFICATION_URL
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if url and instance.name != current.name:
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data = {
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'acronym': current.acronym,
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'old_name': current.name,
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'name': instance.name,
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}
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# Build signed data
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key = jwk.JWK()
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key.import_from_pem(settings.API_PRIVATE_KEY_PEM)
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payload = json.dumps(data)
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jwstoken = jws.JWS(payload.encode('utf-8'))
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jwstoken.add_signature(key, None,
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json_encode({"alg": settings.API_KEY_TYPE}),
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json_encode({"kid": key.thumbprint()}))
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sig = jwstoken.serialize()
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# Send signed data
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response = requests.post(url, data = { 'jws': sig, })
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log.log("Sent notify: %s: '%s' --> '%s' to %s, result code %s" %
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(current.acronym, current.name, instance.name, url, response.status_code))
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# Verify locally, to make sure we've got things right
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key = jwk.JWK()
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key.import_from_pem(settings.API_PUBLIC_KEY_PEM)
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jwstoken = jws.JWS()
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jwstoken.deserialize(sig)
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jwstoken.verify(key)
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log.assertion('payload == jwstoken.payload')
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