mirror of https://gitlab.com/bashrc2/epicyon
1370 lines
52 KiB
Python
1370 lines
52 KiB
Python
__filename__ = "happening.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.3.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@libreserver.org"
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__status__ = "Production"
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__module_group__ = "Core"
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import os
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from uuid import UUID
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from hashlib import md5
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from datetime import datetime
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from datetime import timedelta
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from utils import is_public_post
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from utils import load_json
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from utils import save_json
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from utils import locate_post
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from utils import has_object_dict
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from utils import acct_dir
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from utils import remove_html
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from utils import get_display_name
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from utils import delete_post
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from utils import get_status_number
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from utils import get_full_domain
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from filters import is_filtered
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from context import get_individual_post_context
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from session import get_method
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from auth import create_basic_auth_header
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def _dav_date_from_string(timestamp: str) -> str:
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"""Returns a datetime from a caldav date
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"""
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timestamp_year = timestamp[:4]
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timestamp_month = timestamp[4:][:2]
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timestamp_day = timestamp[6:][:2]
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timestamp_hour = timestamp[9:][:2]
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timestamp_min = timestamp[11:][:2]
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timestamp_sec = timestamp[13:][:2]
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if not timestamp_year.isdigit() or \
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not timestamp_month.isdigit() or \
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not timestamp_day.isdigit() or \
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not timestamp_hour.isdigit() or \
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not timestamp_min.isdigit() or \
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not timestamp_sec.isdigit():
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return None
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if int(timestamp_year) < 2020 or int(timestamp_year) > 2100:
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return None
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published = \
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timestamp_year + '-' + timestamp_month + '-' + timestamp_day + 'T' + \
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timestamp_hour + ':' + timestamp_min + ':' + timestamp_sec + 'Z'
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return published
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def _valid_uuid(test_uuid: str, version: int):
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"""Check if uuid_to_test is a valid UUID
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"""
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try:
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uuid_obj = UUID(test_uuid, version=version)
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except ValueError:
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return False
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return str(uuid_obj) == test_uuid
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def _remove_event_from_timeline(event_id: str,
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tl_events_filename: str) -> None:
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"""Removes the given event Id from the timeline
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"""
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if event_id + '\n' not in open(tl_events_filename).read():
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return
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with open(tl_events_filename, 'r') as fp_tl:
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events_timeline = fp_tl.read().replace(event_id + '\n', '')
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try:
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with open(tl_events_filename, 'w+') as fp2:
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fp2.write(events_timeline)
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except OSError:
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print('EX: ERROR: unable to save events timeline')
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def save_event_post(base_dir: str, handle: str, post_id: str,
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event_json: {}) -> bool:
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"""Saves an event to the calendar and/or the events timeline
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If an event has extra fields, as per Mobilizon,
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Then it is saved as a separate entity and added to the
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events timeline
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See https://framagit.org/framasoft/mobilizon/-/blob/
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master/lib/federation/activity_stream/converter/event.ex
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"""
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if not os.path.isdir(base_dir + '/accounts/' + handle):
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print('WARN: Account does not exist at ' +
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base_dir + '/accounts/' + handle)
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calendar_path = base_dir + '/accounts/' + handle + '/calendar'
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if not os.path.isdir(calendar_path):
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os.mkdir(calendar_path)
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# get the year, month and day from the event
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event_time = datetime.strptime(event_json['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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event_year = int(event_time.strftime("%Y"))
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if event_year < 2020 or event_year >= 2100:
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return False
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event_month_number = int(event_time.strftime("%m"))
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if event_month_number < 1 or event_month_number > 12:
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return False
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event_day_of_month = int(event_time.strftime("%d"))
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if event_day_of_month < 1 or event_day_of_month > 31:
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return False
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if event_json.get('name') and event_json.get('actor') and \
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event_json.get('uuid') and event_json.get('content'):
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if not _valid_uuid(event_json['uuid'], 4):
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return False
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print('Mobilizon type event')
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# if this is a full description of an event then save it
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# as a separate json file
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events_path = base_dir + '/accounts/' + handle + '/events'
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if not os.path.isdir(events_path):
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os.mkdir(events_path)
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events_year_path = \
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base_dir + '/accounts/' + handle + '/events/' + str(event_year)
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if not os.path.isdir(events_year_path):
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os.mkdir(events_year_path)
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event_id = str(event_year) + '-' + event_time.strftime("%m") + '-' + \
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event_time.strftime("%d") + '_' + event_json['uuid']
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event_filename = events_year_path + '/' + event_id + '.json'
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save_json(event_json, event_filename)
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# save to the events timeline
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tl_events_filename = base_dir + '/accounts/' + handle + '/events.txt'
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if os.path.isfile(tl_events_filename):
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_remove_event_from_timeline(event_id, tl_events_filename)
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try:
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with open(tl_events_filename, 'r+') as tl_events_file:
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content = tl_events_file.read()
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if event_id + '\n' not in content:
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tl_events_file.seek(0, 0)
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tl_events_file.write(event_id + '\n' + content)
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except OSError as ex:
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print('EX: Failed to write entry to events file ' +
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tl_events_filename + ' ' + str(ex))
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return False
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else:
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try:
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with open(tl_events_filename, 'w+') as tl_events_file:
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tl_events_file.write(event_id + '\n')
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except OSError:
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print('EX: unable to write ' + tl_events_filename)
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# create a directory for the calendar year
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if not os.path.isdir(calendar_path + '/' + str(event_year)):
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os.mkdir(calendar_path + '/' + str(event_year))
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# calendar month file containing event post Ids
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calendar_filename = calendar_path + '/' + str(event_year) + \
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'/' + str(event_month_number) + '.txt'
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# Does this event post already exist within the calendar month?
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if os.path.isfile(calendar_filename):
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if post_id in open(calendar_filename).read():
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# Event post already exists
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return False
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# append the post Id to the file for the calendar month
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try:
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with open(calendar_filename, 'a+') as calendar_file:
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calendar_file.write(post_id + '\n')
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except OSError:
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print('EX: unable to append ' + calendar_filename)
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# create a file which will trigger a notification that
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# a new event has been added
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cal_notify_filename = base_dir + '/accounts/' + handle + '/.newCalendar'
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notify_str = \
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'/calendar?year=' + str(event_year) + '?month=' + \
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str(event_month_number) + '?day=' + str(event_day_of_month)
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try:
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with open(cal_notify_filename, 'w+') as cal_file:
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cal_file.write(notify_str)
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except OSError:
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print('EX: unable to write ' + cal_notify_filename)
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return False
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return True
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def _is_happening_event(tag: {}) -> bool:
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"""Is this tag an Event or Place ActivityStreams type?
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"""
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if not tag.get('type'):
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return False
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if tag['type'] != 'Event' and tag['type'] != 'Place':
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return False
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return True
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def _is_happening_post(post_json_object: {}) -> bool:
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"""Is this a post with tags?
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"""
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if not post_json_object:
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return False
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if not has_object_dict(post_json_object):
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return False
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if not post_json_object['object'].get('tag'):
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return False
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return True
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def _event_text_match(content: str, text_match: str) -> bool:
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"""Returns true of the content matches the search text
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"""
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if not text_match:
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return True
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if '+' not in text_match:
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if text_match.strip().lower() in content.lower():
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return True
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else:
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match_list = text_match.split('+')
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for possible_match in match_list:
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if possible_match.strip().lower() in content.lower():
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return True
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return False
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def get_todays_events(base_dir: str, nickname: str, domain: str,
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curr_year: int, curr_month_number: int,
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curr_day_of_month: int,
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text_match: str, system_language: str) -> {}:
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"""Retrieves calendar events for today
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Returns a dictionary of lists containing Event and Place activities
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"""
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now = datetime.now()
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if not curr_year:
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year = now.year
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else:
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year = curr_year
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if not curr_month_number:
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month_number = now.month
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else:
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month_number = curr_month_number
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if not curr_day_of_month:
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day_number = now.day
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else:
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day_number = curr_day_of_month
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calendar_filename = \
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acct_dir(base_dir, nickname, domain) + \
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'/calendar/' + str(year) + '/' + str(month_number) + '.txt'
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events = {}
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if not os.path.isfile(calendar_filename):
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return events
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calendar_post_ids = []
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recreate_events_file = False
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with open(calendar_filename, 'r') as events_file:
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for post_id in events_file:
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post_id = post_id.replace('\n', '').replace('\r', '')
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post_filename = locate_post(base_dir, nickname, domain, post_id)
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if not post_filename:
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recreate_events_file = True
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continue
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post_json_object = load_json(post_filename)
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if not _is_happening_post(post_json_object):
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continue
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if post_json_object.get('object'):
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content = None
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if post_json_object['object'].get('contentMap'):
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sys_lang = system_language
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if post_json_object['object']['contentMap'].get(sys_lang):
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content = \
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post_json_object['object']['contentMap'][sys_lang]
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if not content:
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if post_json_object['object'].get('content'):
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content = post_json_object['object']['content']
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if content:
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if not _event_text_match(content, text_match):
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continue
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public_event = is_public_post(post_json_object)
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post_event = []
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day_of_month = None
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for tag in post_json_object['object']['tag']:
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if not _is_happening_event(tag):
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continue
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# this tag is an event or a place
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if tag['type'] == 'Event':
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# tag is an event
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if not tag.get('startTime'):
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continue
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event_time = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if int(event_time.strftime("%Y")) == year and \
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int(event_time.strftime("%m")) == month_number and \
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int(event_time.strftime("%d")) == day_number:
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day_of_month = str(int(event_time.strftime("%d")))
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if '#statuses#' in post_id:
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# link to the id so that the event can be
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# easily deleted
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tag['post_id'] = post_id.split('#statuses#')[1]
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tag['id'] = post_id.replace('#', '/')
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tag['sender'] = post_id.split('#statuses#')[0]
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tag['sender'] = tag['sender'].replace('#', '/')
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tag['public'] = public_event
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post_event.append(tag)
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else:
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# tag is a place
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post_event.append(tag)
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if post_event and day_of_month:
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calendar_post_ids.append(post_id)
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if not events.get(day_of_month):
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events[day_of_month] = []
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events[day_of_month].append(post_event)
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# if some posts have been deleted then regenerate the calendar file
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if recreate_events_file:
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try:
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with open(calendar_filename, 'w+') as calendar_file:
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for post_id in calendar_post_ids:
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calendar_file.write(post_id + '\n')
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except OSError:
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print('EX: unable to write ' + calendar_filename)
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return events
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def _ical_date_string(date_str: str) -> str:
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"""Returns an icalendar formatted date
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"""
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date_str = date_str.replace('-', '')
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date_str = date_str.replace(':', '')
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return date_str.replace(' ', '')
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def _dav_encode_token(year: int, month_number: int,
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message_id: str) -> str:
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"""Returns a token corresponding to a calendar event
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"""
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return str(year) + '_' + str(month_number) + '_' + \
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message_id.replace('/', '--').replace('#', '--')
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def _icalendar_day(base_dir: str, nickname: str, domain: str,
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day_events: [], person_cache: {},
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http_prefix: str) -> str:
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"""Returns a day's events in icalendar format
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"""
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ical_str = ''
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print('icalendar: ' + str(day_events))
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for event_post in day_events:
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event_description = None
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event_place = None
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post_id = None
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sender_name = ''
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sender_actor = None
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event_is_public = False
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event_start = None
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event_end = None
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for evnt in event_post:
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if evnt['type'] == 'Event':
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if evnt.get('id'):
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post_id = evnt['id']
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if evnt.get('startTime'):
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event_start = \
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datetime.strptime(evnt['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if evnt.get('endTime'):
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event_end = \
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datetime.strptime(evnt['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if 'public' in evnt:
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if evnt['public'] is True:
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event_is_public = True
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if evnt.get('sender'):
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# get display name from sending actor
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if evnt.get('sender'):
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sender_actor = evnt['sender']
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disp_name = \
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get_display_name(base_dir, sender_actor,
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person_cache)
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if disp_name:
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sender_name = \
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'<a href="' + sender_actor + '">' + \
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disp_name + '</a>'
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if evnt.get('name'):
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event_description = evnt['name'].strip()
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elif evnt['type'] == 'Place':
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if evnt.get('name'):
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event_place = evnt['name']
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print('icalendar: ' + str(post_id) + ' ' +
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str(event_start) + ' ' + str(event_description) + ' ' +
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str(sender_actor))
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if not post_id or not event_start or not event_end or \
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not event_description or not sender_actor:
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continue
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# find the corresponding post
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post_filename = locate_post(base_dir, nickname, domain, post_id)
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if not post_filename:
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continue
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post_json_object = load_json(post_filename)
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if not post_json_object:
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continue
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# get the published date from the post
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if not post_json_object.get('object'):
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continue
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if not isinstance(post_json_object['object'], dict):
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continue
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if not post_json_object['object'].get('published'):
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continue
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if not isinstance(post_json_object['object']['published'], str):
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continue
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published = \
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_ical_date_string(post_json_object['object']['published'])
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event_start = \
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_ical_date_string(event_start.strftime("%Y-%m-%dT%H:%M:%SZ"))
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event_end = \
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_ical_date_string(event_end.strftime("%Y-%m-%dT%H:%M:%SZ"))
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token_year = int(event_start[:4])
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token_month_number = int(event_start[4:][:2])
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uid = _dav_encode_token(token_year, token_month_number, post_id)
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ical_str += \
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'BEGIN:VEVENT\n' + \
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'DTSTAMP:' + published + '\n' + \
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'UID:' + uid + '\n' + \
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'DTSTART:' + event_start + '\n' + \
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'DTEND:' + event_end + '\n' + \
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'STATUS:CONFIRMED\n'
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descr = remove_html(event_description)
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if len(descr) < 255:
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ical_str += \
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'SUMMARY:' + descr + '\n'
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else:
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ical_str += \
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'SUMMARY:' + descr[255:] + '\n'
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ical_str += \
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'DESCRIPTION:' + descr + '\n'
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if event_is_public:
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ical_str += \
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'CATEGORIES:APPOINTMENT,PUBLIC\n'
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else:
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ical_str += \
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'CATEGORIES:APPOINTMENT\n'
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if sender_name:
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ical_str += \
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'ORGANIZER;CN=' + remove_html(sender_name) + ':' + \
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sender_actor + '\n'
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else:
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ical_str += \
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'ORGANIZER:' + sender_actor + '\n'
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if event_place:
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ical_str += \
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'LOCATION:' + remove_html(event_place) + '\n'
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ical_str += 'END:VEVENT\n'
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return ical_str
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|
|
|
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def get_todays_events_icalendar(base_dir: str, nickname: str, domain: str,
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year: int, month_number: int,
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day_number: int, person_cache: {},
|
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http_prefix: str,
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text_match: str, system_language: str) -> str:
|
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"""Returns today's events in icalendar format
|
|
"""
|
|
day_events = None
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events = \
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get_todays_events(base_dir, nickname, domain,
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year, month_number, day_number,
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text_match, system_language)
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if events:
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if events.get(str(day_number)):
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day_events = events[str(day_number)]
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|
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ical_str = \
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'BEGIN:VCALENDAR\n' + \
|
|
'PRODID:-//Fediverse//NONSGML Epicyon//EN\n' + \
|
|
'VERSION:2.0\n'
|
|
if not day_events:
|
|
print('icalendar daily: ' + nickname + '@' + domain + ' ' +
|
|
str(year) + '-' + str(month_number) +
|
|
'-' + str(day_number) + ' ' + str(day_events))
|
|
ical_str += 'END:VCALENDAR\n'
|
|
return ical_str
|
|
|
|
ical_str += \
|
|
_icalendar_day(base_dir, nickname, domain, day_events, person_cache,
|
|
http_prefix)
|
|
|
|
ical_str += 'END:VCALENDAR\n'
|
|
return ical_str
|
|
|
|
|
|
def get_month_events_icalendar(base_dir: str, nickname: str, domain: str,
|
|
year: int,
|
|
month_number: int,
|
|
person_cache: {},
|
|
http_prefix: str,
|
|
text_match: str) -> str:
|
|
"""Returns today's events in icalendar format
|
|
"""
|
|
month_events = \
|
|
get_calendar_events(base_dir, nickname, domain, year,
|
|
month_number, text_match)
|
|
|
|
ical_str = \
|
|
'BEGIN:VCALENDAR\n' + \
|
|
'PRODID:-//Fediverse//NONSGML Epicyon//EN\n' + \
|
|
'VERSION:2.0\n'
|
|
if not month_events:
|
|
ical_str += 'END:VCALENDAR\n'
|
|
return ical_str
|
|
|
|
print('icalendar month: ' + str(month_events))
|
|
for day_of_month in range(1, 32):
|
|
if not month_events.get(str(day_of_month)):
|
|
continue
|
|
day_events = month_events[str(day_of_month)]
|
|
ical_str += \
|
|
_icalendar_day(base_dir, nickname, domain,
|
|
day_events, person_cache,
|
|
http_prefix)
|
|
|
|
ical_str += 'END:VCALENDAR\n'
|
|
return ical_str
|
|
|
|
|
|
def day_events_check(base_dir: str, nickname: str, domain: str,
|
|
curr_date) -> bool:
|
|
"""Are there calendar events for the given date?
|
|
"""
|
|
year = curr_date.year
|
|
month_number = curr_date.month
|
|
day_number = curr_date.day
|
|
|
|
calendar_filename = \
|
|
acct_dir(base_dir, nickname, domain) + \
|
|
'/calendar/' + str(year) + '/' + str(month_number) + '.txt'
|
|
if not os.path.isfile(calendar_filename):
|
|
return False
|
|
|
|
events_exist = False
|
|
with open(calendar_filename, 'r') as events_file:
|
|
for post_id in events_file:
|
|
post_id = post_id.replace('\n', '').replace('\r', '')
|
|
post_filename = locate_post(base_dir, nickname, domain, post_id)
|
|
if not post_filename:
|
|
continue
|
|
|
|
post_json_object = load_json(post_filename)
|
|
if not _is_happening_post(post_json_object):
|
|
continue
|
|
|
|
for tag in post_json_object['object']['tag']:
|
|
if not _is_happening_event(tag):
|
|
continue
|
|
# this tag is an event or a place
|
|
if tag['type'] != 'Event':
|
|
continue
|
|
# tag is an event
|
|
if not tag.get('startTime'):
|
|
continue
|
|
event_time = \
|
|
datetime.strptime(tag['startTime'],
|
|
"%Y-%m-%dT%H:%M:%S%z")
|
|
if int(event_time.strftime("%d")) != day_number:
|
|
continue
|
|
if int(event_time.strftime("%m")) != month_number:
|
|
continue
|
|
if int(event_time.strftime("%Y")) != year:
|
|
continue
|
|
events_exist = True
|
|
break
|
|
|
|
return events_exist
|
|
|
|
|
|
def get_this_weeks_events(base_dir: str, nickname: str, domain: str) -> {}:
|
|
"""Retrieves calendar events for this week
|
|
Returns a dictionary indexed by day number of lists containing
|
|
Event and Place activities
|
|
Note: currently not used but could be with a weekly calendar screen
|
|
"""
|
|
now = datetime.now()
|
|
end_of_week = now + timedelta(7)
|
|
year = now.year
|
|
month_number = now.month
|
|
|
|
calendar_filename = \
|
|
acct_dir(base_dir, nickname, domain) + \
|
|
'/calendar/' + str(year) + '/' + str(month_number) + '.txt'
|
|
|
|
events = {}
|
|
if not os.path.isfile(calendar_filename):
|
|
return events
|
|
|
|
calendar_post_ids = []
|
|
recreate_events_file = False
|
|
with open(calendar_filename, 'r') as events_file:
|
|
for post_id in events_file:
|
|
post_id = post_id.replace('\n', '').replace('\r', '')
|
|
post_filename = locate_post(base_dir, nickname, domain, post_id)
|
|
if not post_filename:
|
|
recreate_events_file = True
|
|
continue
|
|
|
|
post_json_object = load_json(post_filename)
|
|
if not _is_happening_post(post_json_object):
|
|
continue
|
|
|
|
post_event = []
|
|
week_day_index = None
|
|
for tag in post_json_object['object']['tag']:
|
|
if not _is_happening_event(tag):
|
|
continue
|
|
# this tag is an event or a place
|
|
if tag['type'] == 'Event':
|
|
# tag is an event
|
|
if not tag.get('startTime'):
|
|
continue
|
|
event_time = \
|
|
datetime.strptime(tag['startTime'],
|
|
"%Y-%m-%dT%H:%M:%S%z")
|
|
if event_time >= now and event_time <= end_of_week:
|
|
week_day_index = (event_time - now).days()
|
|
post_event.append(tag)
|
|
else:
|
|
# tag is a place
|
|
post_event.append(tag)
|
|
if post_event and week_day_index:
|
|
calendar_post_ids.append(post_id)
|
|
if not events.get(week_day_index):
|
|
events[week_day_index] = []
|
|
events[week_day_index].append(post_event)
|
|
|
|
# if some posts have been deleted then regenerate the calendar file
|
|
if recreate_events_file:
|
|
try:
|
|
with open(calendar_filename, 'w+') as calendar_file:
|
|
for post_id in calendar_post_ids:
|
|
calendar_file.write(post_id + '\n')
|
|
except OSError:
|
|
print('EX: unable to write ' + calendar_filename)
|
|
|
|
return events
|
|
|
|
|
|
def get_calendar_events(base_dir: str, nickname: str, domain: str,
|
|
year: int, month_number: int,
|
|
text_match: str) -> {}:
|
|
"""Retrieves calendar events
|
|
Returns a dictionary indexed by day number of lists containing
|
|
Event and Place activities
|
|
"""
|
|
calendar_filename = \
|
|
acct_dir(base_dir, nickname, domain) + \
|
|
'/calendar/' + str(year) + '/' + str(month_number) + '.txt'
|
|
|
|
events = {}
|
|
if not os.path.isfile(calendar_filename):
|
|
return events
|
|
|
|
calendar_post_ids = []
|
|
recreate_events_file = False
|
|
with open(calendar_filename, 'r') as events_file:
|
|
for post_id in events_file:
|
|
post_id = post_id.replace('\n', '').replace('\r', '')
|
|
post_filename = locate_post(base_dir, nickname, domain, post_id)
|
|
if not post_filename:
|
|
recreate_events_file = True
|
|
continue
|
|
|
|
post_json_object = load_json(post_filename)
|
|
if not post_json_object:
|
|
continue
|
|
if not _is_happening_post(post_json_object):
|
|
continue
|
|
|
|
if post_json_object.get('object'):
|
|
if post_json_object['object'].get('content'):
|
|
content = post_json_object['object']['content']
|
|
if not _event_text_match(content, text_match):
|
|
continue
|
|
|
|
post_event = []
|
|
day_of_month = None
|
|
for tag in post_json_object['object']['tag']:
|
|
if not _is_happening_event(tag):
|
|
continue
|
|
# this tag is an event or a place
|
|
if tag['type'] == 'Event':
|
|
# tag is an event
|
|
if not tag.get('startTime'):
|
|
continue
|
|
event_time = \
|
|
datetime.strptime(tag['startTime'],
|
|
"%Y-%m-%dT%H:%M:%S%z")
|
|
if int(event_time.strftime("%Y")) == year and \
|
|
int(event_time.strftime("%m")) == month_number:
|
|
day_of_month = str(int(event_time.strftime("%d")))
|
|
if '#statuses#' in post_id:
|
|
tag['post_id'] = post_id.split('#statuses#')[1]
|
|
tag['id'] = post_id.replace('#', '/')
|
|
tag['sender'] = post_id.split('#statuses#')[0]
|
|
tag['sender'] = tag['sender'].replace('#', '/')
|
|
post_event.append(tag)
|
|
else:
|
|
# tag is a place
|
|
post_event.append(tag)
|
|
|
|
if post_event and day_of_month:
|
|
calendar_post_ids.append(post_id)
|
|
if not events.get(day_of_month):
|
|
events[day_of_month] = []
|
|
events[day_of_month].append(post_event)
|
|
|
|
# if some posts have been deleted then regenerate the calendar file
|
|
if recreate_events_file:
|
|
try:
|
|
with open(calendar_filename, 'w+') as calendar_file:
|
|
for post_id in calendar_post_ids:
|
|
calendar_file.write(post_id + '\n')
|
|
except OSError:
|
|
print('EX: unable to write ' + calendar_filename)
|
|
|
|
return events
|
|
|
|
|
|
def remove_calendar_event(base_dir: str, nickname: str, domain: str,
|
|
year: int, month_number: int,
|
|
message_id: str) -> None:
|
|
"""Removes a calendar event
|
|
"""
|
|
calendar_filename = \
|
|
acct_dir(base_dir, nickname, domain) + \
|
|
'/calendar/' + str(year) + '/' + str(month_number) + '.txt'
|
|
if not os.path.isfile(calendar_filename):
|
|
return
|
|
if '/' in message_id:
|
|
message_id = message_id.replace('/', '#')
|
|
if message_id not in open(calendar_filename).read():
|
|
return
|
|
lines = None
|
|
with open(calendar_filename, 'r') as fp_cal:
|
|
lines = fp_cal.readlines()
|
|
if not lines:
|
|
return
|
|
try:
|
|
with open(calendar_filename, 'w+') as fp_cal:
|
|
for line in lines:
|
|
if message_id not in line:
|
|
fp_cal.write(line)
|
|
except OSError:
|
|
print('EX: unable to write ' + calendar_filename)
|
|
|
|
|
|
def _dav_decode_token(token: str) -> (int, int, str):
|
|
"""Decodes a token corresponding to a calendar event
|
|
"""
|
|
if '_' not in token or '--' not in token:
|
|
return None, None, None
|
|
token_sections = token.split('_')
|
|
if len(token_sections) != 3:
|
|
return None, None, None
|
|
if not token_sections[0].isdigit():
|
|
return None, None, None
|
|
if not token_sections[1].isdigit():
|
|
return None, None, None
|
|
token_year = int(token_sections[0])
|
|
token_month_number = int(token_sections[1])
|
|
token_post_id = token_sections[2].replace('--', '/')
|
|
return token_year, token_month_number, token_post_id
|
|
|
|
|
|
def dav_propfind_response(base_dir: str, nickname: str, domain: str,
|
|
depth: int, xml_str: str) -> str:
|
|
"""Returns the response to caldav PROPFIND
|
|
"""
|
|
if '<d:propfind' not in xml_str or \
|
|
'</d:propfind>' not in xml_str:
|
|
return None
|
|
response_str = \
|
|
'<d:multistatus xmlns:d="DAV:" ' + \
|
|
'xmlns:cs="http://calendarserver.org/ns/">\n' + \
|
|
' <d:response>\n' + \
|
|
' <d:href>/calendars/' + nickname + '/</d:href>\n' + \
|
|
' <d:propstat>\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:displayname />\n' + \
|
|
' <cs:getctag />\n' + \
|
|
' </d:prop>\n' + \
|
|
' <d:status>HTTP/1.1 200 OK</d:status>\n' + \
|
|
' </d:propstat>\n' + \
|
|
' </d:response>\n' + \
|
|
'</d:multistatus>'
|
|
return response_str
|
|
|
|
|
|
def _dav_store_event(base_dir: str, nickname: str, domain: str,
|
|
event_list: [], http_prefix: str,
|
|
system_language: str) -> bool:
|
|
"""Stores a calendar event obtained via caldav PUT
|
|
"""
|
|
event_str = str(event_list)
|
|
if 'DTSTAMP:' not in event_str or \
|
|
'DTSTART:' not in event_str or \
|
|
'DTEND:' not in event_str:
|
|
return False
|
|
if 'STATUS:' not in event_str and 'DESCRIPTION:' not in event_str:
|
|
return False
|
|
|
|
timestamp = None
|
|
start_time = None
|
|
end_time = None
|
|
description = None
|
|
for line in event_list:
|
|
if line.startswith('DTSTAMP:'):
|
|
timestamp = line.split(':', 1)[1]
|
|
elif line.startswith('DTSTART:'):
|
|
start_time = line.split(':', 1)[1]
|
|
elif line.startswith('DTEND:'):
|
|
end_time = line.split(':', 1)[1]
|
|
elif line.startswith('SUMMARY:') or line.startswith('DESCRIPTION:'):
|
|
description = line.split(':', 1)[1]
|
|
elif line.startswith('LOCATION:'):
|
|
location = line.split(':', 1)[1]
|
|
|
|
if not timestamp or \
|
|
not start_time or \
|
|
not end_time or \
|
|
not description:
|
|
return False
|
|
if len(timestamp) < 15:
|
|
return False
|
|
if len(start_time) < 15:
|
|
return False
|
|
if len(end_time) < 15:
|
|
return False
|
|
|
|
# check that the description is valid
|
|
if is_filtered(base_dir, nickname, domain, description):
|
|
return False
|
|
|
|
# convert to the expected time format
|
|
published = _dav_date_from_string(timestamp)
|
|
if not published:
|
|
return False
|
|
start_time = _dav_date_from_string(start_time)
|
|
if not start_time:
|
|
return False
|
|
end_time = _dav_date_from_string(end_time)
|
|
if not end_time:
|
|
return False
|
|
|
|
post_id = ''
|
|
post_context = get_individual_post_context()
|
|
# create the status number from DTSTAMP
|
|
status_number, published = get_status_number(published)
|
|
# get the post id
|
|
actor = http_prefix + "://" + domain + "/users/" + nickname
|
|
actor2 = http_prefix + "://" + domain + "/@" + nickname
|
|
post_id = actor + "/statuses/" + status_number
|
|
|
|
next_str = post_id + "/replies?only_other_accounts=true&page=true"
|
|
content = \
|
|
'<p><span class=\"h-card\"><a href=\"' + actor2 + \
|
|
'\" class=\"u-url mention\">@<span>' + nickname + \
|
|
'</span></a></span>' + remove_html(description) + '</p>'
|
|
event_json = {
|
|
"@context": post_context,
|
|
"id": post_id + "/activity",
|
|
"type": "Create",
|
|
"actor": actor,
|
|
"published": published,
|
|
"to": [actor],
|
|
"cc": [],
|
|
"object": {
|
|
"id": post_id,
|
|
"conversation": post_id,
|
|
"type": "Note",
|
|
"summary": None,
|
|
"inReplyTo": None,
|
|
"published": published,
|
|
"url": actor + "/" + status_number,
|
|
"attributedTo": actor,
|
|
"to": [actor],
|
|
"cc": [],
|
|
"sensitive": False,
|
|
"atomUri": post_id,
|
|
"inReplyToAtomUri": None,
|
|
"commentsEnabled": False,
|
|
"rejectReplies": True,
|
|
"mediaType": "text/html",
|
|
"content": content,
|
|
"contentMap": {
|
|
system_language: content
|
|
},
|
|
"attachment": [],
|
|
"tag": [
|
|
{
|
|
"href": actor2,
|
|
"name": "@" + nickname + "@" + domain,
|
|
"type": "Mention"
|
|
},
|
|
{
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
"type": "Event",
|
|
"name": content,
|
|
"startTime": start_time,
|
|
"endTime": end_time
|
|
}
|
|
],
|
|
"replies": {
|
|
"id": post_id + "/replies",
|
|
"type": "Collection",
|
|
"first": {
|
|
"type": "CollectionPage",
|
|
"next": next_str,
|
|
"partOf": post_id + "/replies",
|
|
"items": []
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if location:
|
|
event_json['object']['tag'].append({
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
"type": "Place",
|
|
"name": location
|
|
})
|
|
handle = nickname + '@' + domain
|
|
outbox_dir = base_dir + '/accounts/' + handle + '/outbox'
|
|
if not os.path.isdir(outbox_dir):
|
|
return False
|
|
filename = outbox_dir + '/' + post_id.replace('/', '#') + '.json'
|
|
save_json(event_json, filename)
|
|
save_event_post(base_dir, handle, post_id, event_json)
|
|
|
|
return True
|
|
|
|
|
|
def _dav_update_recent_etags(etag: str, nickname: str,
|
|
recent_dav_etags: {}) -> None:
|
|
"""Updates the recent etags for each account
|
|
"""
|
|
# update the recent caldav etags for each account
|
|
if not recent_dav_etags.get(nickname):
|
|
recent_dav_etags[nickname] = [etag]
|
|
else:
|
|
# only keep a limited number of recent etags
|
|
while len(recent_dav_etags[nickname]) > 32:
|
|
recent_dav_etags[nickname].pop(0)
|
|
# append the etag to the recent list
|
|
if etag not in recent_dav_etags[nickname]:
|
|
recent_dav_etags[nickname].append(etag)
|
|
|
|
|
|
def dav_put_response(base_dir: str, nickname: str, domain: str,
|
|
depth: int, xml_str: str, http_prefix: str,
|
|
system_language: str,
|
|
recent_dav_etags: {}) -> str:
|
|
"""Returns the response to caldav PUT
|
|
"""
|
|
if '\n' not in xml_str:
|
|
return None
|
|
if 'BEGIN:VCALENDAR' not in xml_str or \
|
|
'END:VCALENDAR' not in xml_str:
|
|
return None
|
|
if 'BEGIN:VEVENT' not in xml_str or \
|
|
'END:VEVENT' not in xml_str:
|
|
return None
|
|
|
|
etag = md5(xml_str.encode('utf-8')).hexdigest()
|
|
if recent_dav_etags.get(nickname):
|
|
if etag in recent_dav_etags[nickname]:
|
|
return 'Not modified'
|
|
|
|
stored_count = 0
|
|
reading_event = False
|
|
lines_list = xml_str.split('\n')
|
|
event_list = []
|
|
for line in lines_list:
|
|
line = line.strip()
|
|
if not reading_event:
|
|
if line == 'BEGIN:VEVENT':
|
|
reading_event = True
|
|
event_list = []
|
|
else:
|
|
if line == 'END:VEVENT':
|
|
if event_list:
|
|
_dav_store_event(base_dir, nickname, domain,
|
|
event_list, http_prefix,
|
|
system_language)
|
|
stored_count += 1
|
|
reading_event = False
|
|
else:
|
|
event_list.append(line)
|
|
if stored_count == 0:
|
|
return None
|
|
_dav_update_recent_etags(etag, nickname, recent_dav_etags)
|
|
return 'ETag:' + etag
|
|
|
|
|
|
def dav_report_response(base_dir: str, nickname: str, domain: str,
|
|
depth: int, xml_str: str,
|
|
person_cache: {}, http_prefix: str,
|
|
curr_etag: str, recent_dav_etags: {},
|
|
domain_full: str, system_language: str) -> str:
|
|
"""Returns the response to caldav REPORT
|
|
"""
|
|
if '<c:calendar-query' not in xml_str or \
|
|
'</c:calendar-query>' not in xml_str:
|
|
if '<c:calendar-multiget' not in xml_str or \
|
|
'</c:calendar-multiget>' not in xml_str:
|
|
return None
|
|
|
|
if curr_etag:
|
|
if recent_dav_etags.get(nickname):
|
|
if curr_etag in recent_dav_etags[nickname]:
|
|
return "Not modified"
|
|
|
|
xml_str_lower = xml_str.lower()
|
|
query_start_time = None
|
|
query_end_time = None
|
|
if ':time-range' in xml_str_lower:
|
|
time_range_str = xml_str_lower.split(':time-range')[1]
|
|
if 'start=' in time_range_str and 'end=' in time_range_str:
|
|
start_time_str = time_range_str.split('start=')[1]
|
|
if start_time_str.startswith("'"):
|
|
query_start_time_str = start_time_str.split("'")[1]
|
|
query_start_time = _dav_date_from_string(query_start_time_str)
|
|
elif start_time_str.startswith('"'):
|
|
query_start_time_str = start_time_str.split('"')[1]
|
|
query_start_time = _dav_date_from_string(query_start_time_str)
|
|
|
|
end_time_str = time_range_str.split('end=')[1]
|
|
if end_time_str.startswith("'"):
|
|
query_end_time_str = end_time_str.split("'")[1]
|
|
query_end_time = _dav_date_from_string(query_end_time_str)
|
|
elif end_time_str.startswith('"'):
|
|
query_end_time_str = end_time_str.split('"')[1]
|
|
query_end_time = _dav_date_from_string(query_end_time_str)
|
|
|
|
text_match = ''
|
|
if ':text-match' in xml_str_lower:
|
|
match_str = xml_str_lower.split(':text-match')[1]
|
|
if '>' in match_str and '<' in match_str:
|
|
text_match = match_str.split('>')[1]
|
|
if '<' in text_match:
|
|
text_match = text_match.split('<')[0]
|
|
else:
|
|
text_match = ''
|
|
|
|
ical_events = None
|
|
etag = None
|
|
events_href = ''
|
|
responses = ''
|
|
search_date = datetime.now()
|
|
if query_start_time and query_end_time:
|
|
query_start_year = int(query_start_time.split('-')[0])
|
|
query_start_month = int(query_start_time.split('-')[1])
|
|
query_start_day = query_start_time.split('-')[2]
|
|
query_start_day = int(query_start_day.split('T')[0])
|
|
query_end_year = int(query_end_time.split('-')[0])
|
|
query_end_month = int(query_end_time.split('-')[1])
|
|
query_end_day = query_end_time.split('-')[2]
|
|
query_end_day = int(query_end_day.split('T')[0])
|
|
if query_start_year == query_end_year and \
|
|
query_start_month == query_end_month:
|
|
if query_start_day == query_end_day:
|
|
# calendar for one day
|
|
search_date = \
|
|
datetime(year=query_start_year,
|
|
month=query_start_month,
|
|
day=query_start_day)
|
|
ical_events = \
|
|
get_todays_events_icalendar(base_dir, nickname, domain,
|
|
search_date.year,
|
|
search_date.month,
|
|
search_date.day, person_cache,
|
|
http_prefix, text_match,
|
|
system_language)
|
|
events_href = \
|
|
http_prefix + '://' + domain_full + '/users/' + \
|
|
nickname + '/calendar?year=' + \
|
|
str(search_date.year) + '?month=' + \
|
|
str(search_date.month) + '?day=' + str(search_date.day)
|
|
if ical_events:
|
|
if 'VEVENT' in ical_events:
|
|
ical_events_encoded = ical_events.encode('utf-8')
|
|
etag = md5(ical_events_encoded).hexdigest()
|
|
responses = \
|
|
' <d:response>\n' + \
|
|
' <d:href>' + events_href + \
|
|
'</d:href>\n' + \
|
|
' <d:propstat>\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag>"' + \
|
|
etag + '"</d:getetag>\n' + \
|
|
' <c:calendar-data>' + \
|
|
ical_events + \
|
|
' </c:calendar-data>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <d:status>HTTP/1.1 200 OK' + \
|
|
'</d:status>\n' + \
|
|
' </d:propstat>\n' + \
|
|
' </d:response>\n'
|
|
elif query_start_day == 1 and query_start_day >= 28:
|
|
# calendar for a month
|
|
ical_events = \
|
|
get_month_events_icalendar(base_dir, nickname, domain,
|
|
query_start_year,
|
|
query_start_month,
|
|
person_cache,
|
|
http_prefix,
|
|
text_match)
|
|
events_href = \
|
|
http_prefix + '://' + domain_full + '/users/' + \
|
|
nickname + '/calendar?year=' + \
|
|
str(query_start_year) + '?month=' + \
|
|
str(query_start_month)
|
|
if ical_events:
|
|
if 'VEVENT' in ical_events:
|
|
ical_events_encoded = ical_events.encode('utf-8')
|
|
etag = md5(ical_events_encoded).hexdigest()
|
|
responses = \
|
|
' <d:response>\n' + \
|
|
' <d:href>' + events_href + \
|
|
'</d:href>\n' + \
|
|
' <d:propstat>\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag>"' + \
|
|
etag + '"</d:getetag>\n' + \
|
|
' <c:calendar-data>' + \
|
|
ical_events + \
|
|
' </c:calendar-data>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <d:status>HTTP/1.1 200 OK' + \
|
|
'</d:status>\n' + \
|
|
' </d:propstat>\n' + \
|
|
' </d:response>\n'
|
|
if not responses:
|
|
all_events = ''
|
|
for year in range(query_start_year, query_end_year+1):
|
|
if query_start_year == query_end_year:
|
|
start_month_number = query_start_month
|
|
end_month_number = query_end_month
|
|
elif year == query_end_year:
|
|
start_month_number = 1
|
|
end_month_number = query_end_month
|
|
elif year == query_start_year:
|
|
start_month_number = query_start_month
|
|
end_month_number = 12
|
|
else:
|
|
start_month_number = 1
|
|
end_month_number = 12
|
|
for month in range(start_month_number, end_month_number+1):
|
|
ical_events = \
|
|
get_month_events_icalendar(base_dir,
|
|
nickname, domain,
|
|
year, month,
|
|
person_cache,
|
|
http_prefix,
|
|
text_match)
|
|
events_href = \
|
|
http_prefix + '://' + domain_full + '/users/' + \
|
|
nickname + '/calendar?year=' + \
|
|
str(year) + '?month=' + \
|
|
str(month)
|
|
if ical_events:
|
|
if 'VEVENT' in ical_events:
|
|
all_events += ical_events
|
|
ical_events_encoded = ical_events.encode('utf-8')
|
|
local_etag = md5(ical_events_encoded).hexdigest()
|
|
responses += \
|
|
' <d:response>\n' + \
|
|
' <d:href>' + events_href + \
|
|
'</d:href>\n' + \
|
|
' <d:propstat>\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag>"' + \
|
|
local_etag + '"</d:getetag>\n' + \
|
|
' <c:calendar-data>' + \
|
|
ical_events + \
|
|
' </c:calendar-data>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <d:status>HTTP/1.1 200 OK' + \
|
|
'</d:status>\n' + \
|
|
' </d:propstat>\n' + \
|
|
' </d:response>\n'
|
|
ical_events_encoded = all_events.encode('utf-8')
|
|
etag = md5(ical_events_encoded).hexdigest()
|
|
|
|
# today's calendar events
|
|
if not ical_events:
|
|
ical_events = \
|
|
get_todays_events_icalendar(base_dir, nickname, domain,
|
|
search_date.year, search_date.month,
|
|
search_date.day, person_cache,
|
|
http_prefix, text_match,
|
|
system_language)
|
|
events_href = \
|
|
http_prefix + '://' + domain_full + '/users/' + \
|
|
nickname + '/calendar?year=' + \
|
|
str(search_date.year) + '?month=' + \
|
|
str(search_date.month) + '?day=' + str(search_date.day)
|
|
if ical_events:
|
|
if 'VEVENT' in ical_events:
|
|
ical_events_encoded = ical_events.encode('utf-8')
|
|
etag = md5(ical_events_encoded).hexdigest()
|
|
responses = \
|
|
' <d:response>\n' + \
|
|
' <d:href>' + events_href + '</d:href>\n' + \
|
|
' <d:propstat>\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag>"' + etag + \
|
|
'"</d:getetag>\n' + \
|
|
' <c:calendar-data>' + ical_events + \
|
|
' </c:calendar-data>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <d:status>HTTP/1.1 200 OK</d:status>\n' + \
|
|
' </d:propstat>\n' + \
|
|
' </d:response>\n'
|
|
|
|
if not ical_events or not etag:
|
|
return None
|
|
if 'VEVENT' not in ical_events:
|
|
return None
|
|
|
|
if etag == curr_etag:
|
|
return "Not modified"
|
|
response_str = \
|
|
'<?xml version="1.0" encoding="utf-8" ?>\n' + \
|
|
'<d:multistatus xmlns:d="DAV:" ' + \
|
|
'xmlns:cs="http://calendarserver.org/ns/">\n' + \
|
|
responses + '</d:multistatus>'
|
|
|
|
_dav_update_recent_etags(etag, nickname, recent_dav_etags)
|
|
return response_str
|
|
|
|
|
|
def dav_delete_response(base_dir: str, nickname: str, domain: str,
|
|
depth: int, path: str,
|
|
http_prefix: str, debug: bool,
|
|
recent_posts_cache: {}) -> str:
|
|
"""Returns the response to caldav DELETE
|
|
"""
|
|
token = path.split('/calendars/' + nickname + '/')[1]
|
|
token_year, token_month_number, token_post_id = \
|
|
_dav_decode_token(token)
|
|
if not token_year:
|
|
return None
|
|
post_filename = locate_post(base_dir, nickname, domain, token_post_id)
|
|
if not post_filename:
|
|
print('Calendar post not found ' + token_post_id)
|
|
return None
|
|
post_json_object = load_json(post_filename)
|
|
if not _is_happening_post(post_json_object):
|
|
print(token_post_id + ' is not a calendar post')
|
|
return None
|
|
remove_calendar_event(base_dir, nickname, domain,
|
|
token_year, token_month_number,
|
|
token_post_id)
|
|
delete_post(base_dir, http_prefix,
|
|
nickname, domain, post_filename,
|
|
debug, recent_posts_cache)
|
|
return 'Ok'
|
|
|
|
|
|
def dav_month_via_server(session, http_prefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
debug: bool,
|
|
year: int, month: int,
|
|
password: str) -> str:
|
|
"""Gets the icalendar for a month via caldav
|
|
"""
|
|
auth_header = create_basic_auth_header(nickname, password)
|
|
|
|
headers = {
|
|
'host': domain,
|
|
'Content-type': 'application/xml',
|
|
'Authorization': auth_header
|
|
}
|
|
domain_full = get_full_domain(domain, port)
|
|
params = {}
|
|
url = http_prefix + '://' + domain_full + '/calendars/' + nickname
|
|
month_str = str(month)
|
|
if month < 10:
|
|
month_str = '0' + month_str
|
|
xml_str = \
|
|
'<?xml version="1.0" encoding="utf-8" ?>\n' + \
|
|
'<c:calendar-query xmlns:d="DAV:"\n' + \
|
|
' xmlns:c="urn:ietf:params:xml:ns:caldav">\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag/>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <c:filter>\n' + \
|
|
' <c:comp-filter name="VCALENDAR">\n' + \
|
|
' <c:comp-filter name="VEVENT">\n' + \
|
|
' <c:time-range start="' + str(year) + month_str + \
|
|
'01T000000Z"\n' + \
|
|
' end="' + str(year) + month_str + \
|
|
'31T235959Z"/>\n' + \
|
|
' </c:comp-filter>\n' + \
|
|
' </c:comp-filter>\n' + \
|
|
' </c:filter>\n' + \
|
|
'</c:calendar-query>'
|
|
result = \
|
|
get_method("REPORT", xml_str, session, url, params, headers, debug)
|
|
return result
|
|
|
|
|
|
def dav_day_via_server(session, http_prefix: str,
|
|
nickname: str, domain: str, port: int,
|
|
debug: bool,
|
|
year: int, month: int, day: int,
|
|
password: str) -> str:
|
|
"""Gets the icalendar for a day via caldav
|
|
"""
|
|
auth_header = create_basic_auth_header(nickname, password)
|
|
|
|
headers = {
|
|
'host': domain,
|
|
'Content-type': 'application/xml',
|
|
'Authorization': auth_header
|
|
}
|
|
domain_full = get_full_domain(domain, port)
|
|
params = {}
|
|
url = http_prefix + '://' + domain_full + '/calendars/' + nickname
|
|
month_str = str(month)
|
|
if month < 10:
|
|
month_str = '0' + month_str
|
|
day_str = str(day)
|
|
if day < 10:
|
|
day_str = '0' + day_str
|
|
xml_str = \
|
|
'<?xml version="1.0" encoding="utf-8" ?>\n' + \
|
|
'<c:calendar-query xmlns:d="DAV:"\n' + \
|
|
' xmlns:c="urn:ietf:params:xml:ns:caldav">\n' + \
|
|
' <d:prop>\n' + \
|
|
' <d:getetag/>\n' + \
|
|
' </d:prop>\n' + \
|
|
' <c:filter>\n' + \
|
|
' <c:comp-filter name="VCALENDAR">\n' + \
|
|
' <c:comp-filter name="VEVENT">\n' + \
|
|
' <c:time-range start="' + str(year) + month_str + \
|
|
day_str + 'T000000Z"\n' + \
|
|
' end="' + str(year) + month_str + \
|
|
day_str + 'T235959Z"/>\n' + \
|
|
' </c:comp-filter>\n' + \
|
|
' </c:comp-filter>\n' + \
|
|
' </c:filter>\n' + \
|
|
'</c:calendar-query>'
|
|
result = \
|
|
get_method("REPORT", xml_str, session, url, params, headers, debug)
|
|
return result
|