--- /dev/null
+#
+# Functions for interacting with the persons table in the database
+#
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2006 The Trustees of Princeton University
+#
+# $Id$
+#
+
+from types import StringTypes
+from datetime import datetime
+import md5
+import time
+from random import Random
+import re
+import crypt
+
+from PLC.Faults import *
+from PLC.Debug import log
+from PLC.Parameter import Parameter, Mixed
+from PLC.Filter import Filter
+from PLC.Table import Row, Table
+from PLC.Roles import Role, Roles
+from PLC.Keys import Key, Keys
+from PLC.Messages import Message, Messages
+
+class Person(Row):
+ """
+ Representation of a row in the persons table. To use, optionally
+ instantiate with a dict of values. Update as you would a
+ dict. Commit to the database with sync().
+ """
+
+ table_name = 'persons'
+ primary_key = 'person_id'
+ join_tables = ['person_key', 'person_role', 'person_site', 'slice_person', 'person_session', 'peer_person']
+ fields = {
+ 'person_id': Parameter(int, "User identifier"),
+ 'first_name': Parameter(str, "Given name", max = 128),
+ 'last_name': Parameter(str, "Surname", max = 128),
+ 'title': Parameter(str, "Title", max = 128, nullok = True),
+ 'email': Parameter(str, "Primary e-mail address", max = 254),
+ 'phone': Parameter(str, "Telephone number", max = 64, nullok = True),
+ 'url': Parameter(str, "Home page", max = 254, nullok = True),
+ 'bio': Parameter(str, "Biography", max = 254, nullok = True),
+ 'enabled': Parameter(bool, "Has been enabled"),
+ 'password': Parameter(str, "Account password in crypt() form", max = 254),
+ 'verification_key': Parameter(str, "Reset password key", max = 254, nullok = True),
+ 'verification_expires': Parameter(int, "Date and time when verification_key expires", nullok = True),
+ 'last_updated': Parameter(int, "Date and time of last update", ro = True),
+ 'date_created': Parameter(int, "Date and time when account was created", ro = True),
+ 'role_ids': Parameter([int], "List of role identifiers"),
+ 'roles': Parameter([str], "List of roles"),
+ 'site_ids': Parameter([int], "List of site identifiers"),
+ 'key_ids': Parameter([int], "List of key identifiers"),
+ 'slice_ids': Parameter([int], "List of slice identifiers"),
+ 'peer_id': Parameter(int, "Peer to which this user belongs", nullok = True),
+ 'peer_person_id': Parameter(int, "Foreign user identifier at peer", nullok = True),
+ }
+ related_fields = {
+ 'roles': [Mixed(Parameter(int, "Role identifier"),
+ Parameter(str, "Role name"))],
+ 'sites': [Mixed(Parameter(int, "Site identifier"),
+ Parameter(str, "Site name"))],
+ 'keys': [Mixed(Parameter(int, "Key identifier"),
+ Filter(Key.fields))],
+ 'slices': [Mixed(Parameter(int, "Slice identifier"),
+ Parameter(str, "Slice name"))]
+ }
+
+
+
+ # for Cache
+ class_key = 'email'
+ foreign_fields = ['first_name', 'last_name', 'title', 'email', 'phone', 'url',
+ 'bio', 'enabled', 'password', ]
+ # forget about these ones, they are read-only anyway
+ # handling them causes Cache to re-sync all over again
+ # 'last_updated', 'date_created'
+ foreign_xrefs = [
+ {'field' : 'key_ids', 'class': 'Key', 'table' : 'person_key' } ,
+ {'field' : 'site_ids', 'class': 'Site', 'table' : 'person_site'},
+# xxx this is not handled by Cache yet
+# 'role_ids': Parameter([int], "List of role identifiers"),
+]
+
+ def validate_email(self, email):
+ """
+ Validate email address. Stolen from Mailman.
+ """
+
+ invalid_email = PLCInvalidArgument("Invalid e-mail address")
+ email_badchars = r'[][()<>|;^,\200-\377]'
+
+ # Pretty minimal, cheesy check. We could do better...
+ if not email or email.count(' ') > 0:
+ raise invalid_email
+ if re.search(email_badchars, email) or email[0] == '-':
+ raise invalid_email
+
+ email = email.lower()
+ at_sign = email.find('@')
+ if at_sign < 1:
+ raise invalid_email
+ user = email[:at_sign]
+ rest = email[at_sign+1:]
+ domain = rest.split('.')
+
+ # This means local, unqualified addresses, are not allowed
+ if not domain:
+ raise invalid_email
+ if len(domain) < 2:
+ raise invalid_email
+
+ # check only against users on the same peer
+ if 'peer_id' in self:
+ namespace_peer_id = self['peer_id']
+ else:
+ namespace_peer_id = None
+
+ conflicts = Persons(self.api, {'email':email,'peer_id':namespace_peer_id})
+
+ for person in conflicts:
+ if 'person_id' not in self or self['person_id'] != person['person_id']:
+ raise PLCInvalidArgument, "E-mail address already in use"
+
+ return email
+
+ def validate_password(self, password):
+ """
+ Encrypt password if necessary before committing to the
+ database.
+ """
+
+ magic = "$1$"
+
+ if len(password) > len(magic) and \
+ password[0:len(magic)] == magic:
+ return password
+ else:
+ # Generate a somewhat unique 8 character salt string
+ salt = str(time.time()) + str(Random().random())
+ salt = md5.md5(salt).hexdigest()[:8]
+ return crypt.crypt(password.encode(self.api.encoding), magic + salt + "$")
+
+ validate_date_created = Row.validate_timestamp
+ validate_last_updated = Row.validate_timestamp
+ validate_verification_expires = Row.validate_timestamp
+
+ def can_update(self, person):
+ """
+ Returns true if we can update the specified person. We can
+ update a person if:
+
+ 1. We are the person.
+ 2. We are an admin.
+ 3. We are a PI and the person is a user or tech or at
+ one of our sites.
+ """
+
+ assert isinstance(person, Person)
+
+ if self['person_id'] == person['person_id']:
+ return True
+
+ if 'admin' in self['roles']:
+ return True
+
+ if 'pi' in self['roles']:
+ if set(self['site_ids']).intersection(person['site_ids']):
+ # Can update people with higher role IDs
+ return min(self['role_ids']) < min(person['role_ids'])
+
+ return False
+
+ def can_view(self, person):
+ """
+ Returns true if we can view the specified person. We can
+ view a person if:
+
+ 1. We are the person.
+ 2. We are an admin.
+ 3. We are a PI and the person is at one of our sites.
+ """
+
+ assert isinstance(person, Person)
+
+ if self.can_update(person):
+ return True
+
+ if 'pi' in self['roles']:
+ if set(self['site_ids']).intersection(person['site_ids']):
+ # Can view people with equal or higher role IDs
+ return min(self['role_ids']) <= min(person['role_ids'])
+
+ return False
+
+ add_role = Row.add_object(Role, 'person_role')
+ remove_role = Row.remove_object(Role, 'person_role')
+
+ add_key = Row.add_object(Key, 'person_key')
+ remove_key = Row.remove_object(Key, 'person_key')
+
+ def set_primary_site(self, site, commit = True):
+ """
+ Set the primary site for an existing user.
+ """
+
+ assert 'person_id' in self
+ assert 'site_id' in site
+
+ person_id = self['person_id']
+ site_id = site['site_id']
+ self.api.db.do("UPDATE person_site SET is_primary = False" \
+ " WHERE person_id = %(person_id)d",
+ locals())
+ self.api.db.do("UPDATE person_site SET is_primary = True" \
+ " WHERE person_id = %(person_id)d" \
+ " AND site_id = %(site_id)d",
+ locals())
+
+ if commit:
+ self.api.db.commit()
+
+ assert 'site_ids' in self
+ assert site_id in self['site_ids']
+
+ # Make sure that the primary site is first in the list
+ self['site_ids'].remove(site_id)
+ self['site_ids'].insert(0, site_id)
+
+ def update_last_updated(self, commit = True):
+ """
+ Update last_updated field with current time
+ """
+
+ assert 'person_id' in self
+ assert self.table_name
+
+ self.api.db.do("UPDATE %s SET last_updated = CURRENT_TIMESTAMP " % (self.table_name) + \
+ " where person_id = %d" % (self['person_id']) )
+ self.sync(commit)
+
+ def associate_roles(self, auth, field, value):
+ """
+ Adds roles found in value list to this person (using AddRoleToPerson).
+ Deletes roles not found in value list from this person (using DeleteRoleFromPerson).
+ """
+
+ assert 'role_ids' in self
+ assert 'person_id' in self
+ assert isinstance(value, list)
+
+ (role_ids, roles_names) = self.separate_types(value)[0:2]
+
+ # Translate roles into role_ids
+ if roles_names:
+ roles = Roles(self.api, role_names, ['role_id']).dict('role_id')
+ role_ids += roles.keys()
+
+ # Add new ids, remove stale ids
+ if self['role_ids'] != role_ids:
+ from PLC.Methods.AddRoleToPerson import AddRoleToPerson
+ from PLC.Methods.DeleteRoleFromPerson import DeleteRoleFromPerson
+ new_roles = set(role_ids).difference(self['role_ids'])
+ stale_roles = set(self['role_ids']).difference(role_ids)
+
+ for new_role in new_roles:
+ AddRoleToPerson.__call__(AddRoleToPerson(self.api), auth, new_role, self['person_id'])
+ for stale_role in stale_roles:
+ DeleteRoleFromPerson.__call__(DeleteRoleFromPerson(self.api), auth, stale_role, self['person_id'])
+
+
+ def associate_sites(self, auth, field, value):
+ """
+ Adds person to sites found in value list (using AddPersonToSite).
+ Deletes person from site not found in value list (using DeletePersonFromSite).
+ """
+
+ from PLC.Sites import Sites
+
+ assert 'site_ids' in self
+ assert 'person_id' in self
+ assert isinstance(value, list)
+
+ (site_ids, site_names) = self.separate_types(value)[0:2]
+
+ # Translate roles into role_ids
+ if site_names:
+ sites = Sites(self.api, site_names, ['site_id']).dict('site_id')
+ site_ids += sites.keys()
+
+ # Add new ids, remove stale ids
+ if self['site_ids'] != site_ids:
+ from PLC.Methods.AddPersonToSite import AddPersonToSite
+ from PLC.Methods.DeletePersonFromSite import DeletePersonFromSite
+ new_sites = set(site_ids).difference(self['site_ids'])
+ stale_sites = set(self['site_ids']).difference(site_ids)
+
+ for new_site in new_sites:
+ AddPersonToSite.__call__(AddPersonToSite(self.api), auth, self['person_id'], new_site)
+ for stale_site in stale_sites:
+ DeletePersonFromSite.__call__(DeletePersonFromSite(self.api), auth, self['person_id'], stale_site)
+
+
+ def associate_keys(self, auth, field, value):
+ """
+ Deletes key_ids not found in value list (using DeleteKey).
+ Adds key if key_fields w/o key_id is found (using AddPersonKey).
+ Updates key if key_fields w/ key_id is found (using UpdateKey).
+ """
+ assert 'key_ids' in self
+ assert 'person_id' in self
+ assert isinstance(value, list)
+
+ (key_ids, blank, keys) = self.separate_types(value)
+
+ if self['key_ids'] != key_ids:
+ from PLC.Methods.DeleteKey import DeleteKey
+ stale_keys = set(self['key_ids']).difference(key_ids)
+
+ for stale_key in stale_keys:
+ DeleteKey.__call__(DeleteKey(self.api), auth, stale_key)
+
+ if keys:
+ from PLC.Methods.AddPersonKey import AddPersonKey
+ from PLC.Methods.UpdateKey import UpdateKey
+ updated_keys = filter(lambda key: 'key_id' in key, keys)
+ added_keys = filter(lambda key: 'key_id' not in key, keys)
+
+ for key in added_keys:
+ AddPersonKey.__call__(AddPersonKey(self.api), auth, self['person_id'], key)
+ for key in updated_keys:
+ key_id = key.pop('key_id')
+ UpdateKey.__call__(UpdateKey(self.api), auth, key_id, key)
+
+
+ def associate_slices(self, auth, field, value):
+ """
+ Adds person to slices found in value list (using AddPersonToSlice).
+ Deletes person from slices found in value list (using DeletePersonFromSlice).
+ """
+
+ from PLC.Slices import Slices
+
+ assert 'slice_ids' in self
+ assert 'person_id' in self
+ assert isinstance(value, list)
+
+ (slice_ids, slice_names) = self.separate_types(value)[0:2]
+
+ # Translate roles into role_ids
+ if slice_names:
+ slices = Slices(self.api, slice_names, ['slice_id']).dict('slice_id')
+ slice_ids += slices.keys()
+
+ # Add new ids, remove stale ids
+ if self['slice_ids'] != slice_ids:
+ from PLC.Methods.AddPersonToSlice import AddPersonToSlice
+ from PLC.Methods.DeletePersonFromSlice import DeletePersonFromSlice
+ new_slices = set(slice_ids).difference(self['slice_ids'])
+ stale_slices = set(self['slice_ids']).difference(slice_ids)
+
+ for new_slice in new_slices:
+ AddPersonToSlice.__call__(AddPersonToSlice(self.api), auth, self['person_id'], new_slice)
+ for stale_slice in stale_slices:
+ DeletePersonFromSlice.__call__(DeletePersonFromSlice(self.api), auth, self['person_id'], stale_slice)
+
+
+ def delete(self, commit = True):
+ """
+ Delete existing user.
+ """
+
+ # Delete all keys
+ keys = Keys(self.api, self['key_ids'])
+ for key in keys:
+ key.delete(commit = False)
+
+ # Clean up miscellaneous join tables
+ for table in self.join_tables:
+ self.api.db.do("DELETE FROM %s WHERE person_id = %d" % \
+ (table, self['person_id']))
+
+ # Mark as deleted
+ self['deleted'] = True
+ self.sync(commit)
+
+class Persons(Table):
+ """
+ Representation of row(s) from the persons table in the
+ database.
+ """
+
+ def __init__(self, api, person_filter = None, columns = None):
+ Table.__init__(self, api, Person, columns)
+ #sql = "SELECT %s FROM view_persons WHERE deleted IS False" % \
+ # ", ".join(self.columns)
+ foreign_fields = {'role_ids': ('role_id', 'person_role'),
+ 'roles': ('name', 'roles'),
+ 'site_ids': ('site_id', 'person_site'),
+ 'key_ids': ('key_id', 'person_key'),
+ 'slice_ids': ('slice_id', 'slice_person')
+ }
+ foreign_keys = {}
+ db_fields = filter(lambda field: field not in foreign_fields.keys(), Person.fields.keys())
+ all_fields = db_fields + [value[0] for value in foreign_fields.values()]
+ fields = []
+ _select = "SELECT "
+ _from = " FROM persons "
+ _join = " LEFT JOIN peer_person USING (person_id) "
+ _where = " WHERE deleted IS False "
+
+ if not columns:
+ # include all columns
+ fields = all_fields
+ tables = [value[1] for value in foreign_fields.values()]
+ tables.sort()
+ for key in foreign_fields.keys():
+ foreign_keys[foreign_fields[key][0]] = key
+ for table in tables:
+ if table in ['roles']:
+ _join += " LEFT JOIN roles USING(role_id) "
+ else:
+ _join += " LEFT JOIN %s USING (person_id) " % (table)
+ else:
+ tables = set()
+ columns = filter(lambda column: column in db_fields+foreign_fields.keys(), columns)
+ columns.sort()
+ for column in columns:
+ if column in foreign_fields.keys():
+ (field, table) = foreign_fields[column]
+ foreign_keys[field] = column
+ fields += [field]
+ tables.add(table)
+ if column in ['roles']:
+ _join += " LEFT JOIN roles USING(role_id) "
+ else:
+ _join += " LEFT JOIN %s USING (person_id)" % \
+ (foreign_fields[column][1])
+
+ else:
+ fields += [column]
+
+ # postgres will return timestamps as datetime objects.
+ # XMLPRC cannot marshal datetime so convert to int
+ timestamps = ['date_created', 'last_updated', 'verification_expires']
+ for field in fields:
+ if field in timestamps:
+ fields[fields.index(field)] = \
+ "CAST(date_part('epoch', %s) AS bigint) AS %s" % (field, field)
+
+ _select += ", ".join(fields)
+ sql = _select + _from + _join + _where
+
+ # deal with filter
+ if person_filter is not None:
+ if isinstance(person_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), person_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), person_filter)
+ person_filter = Filter(Person.fields, {'person_id': ints, 'email': strs})
+ sql += " AND (%s) %s" % person_filter.sql(api, "OR")
+ elif isinstance(person_filter, dict):
+ person_filter = Filter(Person.fields, person_filter)
+ sql += " AND (%s) %s" % person_filter.sql(api, "AND")
+ elif isinstance (person_filter, StringTypes):
+ person_filter = Filter(Person.fields, {'email':[person_filter]})
+ sql += " AND (%s) %s" % person_filter.sql(api, "AND")
+ elif isinstance (person_filter, int):
+ person_filter = Filter(Person.fields, {'person_id':[person_filter]})
+ sql += " AND (%s) %s" % person_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument, "Wrong person filter %r"%person_filter
+
+ # aggregate data
+ all_persons = {}
+ for row in self.api.db.selectall(sql):
+ person_id = row['person_id']
+
+ if all_persons.has_key(person_id):
+ for (key, key_list) in foreign_keys.items():
+ data = row.pop(key)
+ row[key_list] = [data]
+ if data and data not in all_persons[person_id][key_list]:
+ all_persons[person_id][key_list].append(data)
+ else:
+ for key in foreign_keys.keys():
+ value = row.pop(key)
+ if value:
+ row[foreign_keys[key]] = [value]
+ else:
+ row[foreign_keys[key]] = []
+ if row:
+ all_persons[person_id] = row
+
+ # populate self
+ for row in all_persons.values():
+ obj = self.classobj(self.api, row)
+ self.append(obj)
+
git://git.onelab.eu / plcapi.git / blobdiff