Merge branch 'main' of gitlab.com:bashrc2/epicyon

daemon.py

@@ -679,6 +679,16 @@ class PubServer(BaseHTTPRequestHandler):
             return False
         return True
 
+    def _request_icalendar(self) -> bool:
+        """Should an icalendar response be given?
+        """
+        if not self.headers.get('Accept'):
+            return False
+        accept_str = self.headers['Accept']
+        if 'text/calendar' in accept_str:
+            return True
+        return False
+
     def _signed_ge_tkey_id(self) -> str:
         """Returns the actor from the signed GET key_id
         """
@@ -14056,9 +14066,12 @@ class PubServer(BaseHTTPRequestHandler):
 
         # is this a html request?
         html_getreq = False
+        icalendar_getreq = False
         if self._has_accept(calling_domain):
             if self._request_http():
                 html_getreq = True
+            elif self._request_icalendar():
+                icalendar_getreq = True
         else:
             if self.headers.get('Connection'):
                 # https://developer.mozilla.org/en-US/
@@ -15532,7 +15545,7 @@ class PubServer(BaseHTTPRequestHandler):
                             '_GET', 'search screen shown done',
                             self.server.debug)
 
-        # Show the calendar for a user
+        # Show the html calendar for a user
         if html_getreq and users_in_path:
             if '/calendar' in self.path:
                 nickname = self.path.split('/users/')[1]
@@ -15551,10 +15564,17 @@ class PubServer(BaseHTTPRequestHandler):
                                     self.server.http_prefix,
                                     self.server.domain_full,
                                     self.server.text_mode_banner,
-                                    access_keys).encode('utf-8')
+                                    access_keys,
+                                    False).encode('utf-8')
                 msglen = len(msg)
-                self._set_headers('text/html', msglen, cookie, calling_domain,
-                                  False)
+                if 'ical=true' in self.path:
+                    self._set_headers('text/calendar',
+                                      msglen, cookie, calling_domain,
+                                      False)
+                else:
+                    self._set_headers('text/html',
+                                      msglen, cookie, calling_domain,
+                                      False)
                 self._write(msg)
                 fitness_performance(getreq_start_time, self.server.fitness,
                                     '_GET', 'calendar shown',
@@ -15562,6 +15582,38 @@ class PubServer(BaseHTTPRequestHandler):
                 self.server.getreq_busy = False
                 return
 
+        # Show the icalendar for a user
+        if icalendar_getreq and users_in_path:
+            if '/calendar' in self.path:
+                nickname = self.path.split('/users/')[1]
+                if '/' in nickname:
+                    nickname = nickname.split('/')[0]
+
+                access_keys = self.server.access_keys
+                if self.server.key_shortcuts.get(nickname):
+                    access_keys = self.server.key_shortcuts[nickname]
+
+                # show the calendar screen
+                msg = html_calendar(self.server.person_cache,
+                                    self.server.css_cache,
+                                    self.server.translate,
+                                    self.server.base_dir, self.path,
+                                    self.server.http_prefix,
+                                    self.server.domain_full,
+                                    self.server.text_mode_banner,
+                                    access_keys,
+                                    True).encode('utf-8')
+                msglen = len(msg)
+                self._set_headers('text/calendar',
+                                  msglen, cookie, calling_domain,
+                                  False)
+                self._write(msg)
+                fitness_performance(getreq_start_time, self.server.fitness,
+                                    '_GET', 'icalendar shown',
+                                    self.server.debug)
+                self.server.getreq_busy = False
+                return
+
         fitness_performance(getreq_start_time, self.server.fitness,
                             '_GET', 'calendar shown done',
                             self.server.debug)

epicyon-calendar.css

@@ -32,6 +32,9 @@
     --calendar-header-font-style: italic;
     --main-link-color-hover: blue;
     --rendering: normal;
+    --ical-icon-size: 32px;
+    --ical-icon-size-mobile: 80px;
+    --ical-icon-size-tiny: 80px;
 }
 
 @font-face {
@@ -256,6 +259,10 @@ tr:nth-child(even) > .calendar__day__cell:nth-child(even) {
     body {
         font-size: var(--font-size-calendar);
     }
+    body img.ical {
+        width: var(--ical-icon-size);
+        float: right;
+    }
 }
 
 @media screen and (max-width: 1000px) {
@@ -276,6 +283,10 @@ tr:nth-child(even) > .calendar__day__cell:nth-child(even) {
     body {
         font-size: var(--font-size-calendar-mobile);
     }
+    body img.ical {
+        width: var(--ical-icon-size-mobile);
+        float: right;
+    }
 }
 
 @media screen and (max-width: 480px) {
@@ -296,4 +307,8 @@ tr:nth-child(even) > .calendar__day__cell:nth-child(even) {
     body {
         font-size: var(--font-size-calendar-tiny);
     }
+    body img.ical {
+        width: var(--ical-icon-size-tiny);
+        float: right;
+    }
 }

happening.py

@@ -18,6 +18,8 @@ from utils import save_json
 from utils import locate_post
 from utils import has_object_dict
 from utils import acct_dir
+from utils import remove_html
+from utils import get_display_name
 
 
 def _valid_uuid(test_uuid: str, version: int):
@@ -175,24 +177,24 @@ def _is_happening_post(post_json_object: {}) -> bool:
 
 
 def get_todays_events(base_dir: str, nickname: str, domain: str,
-                      currYear: int, currMonthNumber: int,
-                      currDayOfMonth: int) -> {}:
+                      curr_year: int, curr_month_number: int,
+                      curr_day_of_month: int) -> {}:
     """Retrieves calendar events for today
     Returns a dictionary of lists containing Event and Place activities
     """
     now = datetime.now()
-    if not currYear:
+    if not curr_year:
         year = now.year
     else:
-        year = currYear
-    if not currMonthNumber:
+        year = curr_year
+    if not curr_month_number:
         month_number = now.month
     else:
-        month_number = currMonthNumber
-    if not currDayOfMonth:
+        month_number = curr_month_number
+    if not curr_day_of_month:
         day_number = now.day
     else:
-        day_number = currDayOfMonth
+        day_number = curr_day_of_month
 
     calendar_filename = \
         acct_dir(base_dir, nickname, domain) + \
@@ -238,6 +240,7 @@ def get_todays_events(base_dir: str, nickname: str, domain: str,
                             # link to the id so that the event can be
                             # easily deleted
                             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('#', '/')
                             tag['public'] = public_event
@@ -263,13 +266,206 @@ def get_todays_events(base_dir: str, nickname: str, domain: str,
     return events
 
 
+def _ical_date_string(date_str: str) -> str:
+    """Returns an icalendar formatted date
+    """
+    date_str = date_str.replace('-', '')
+    date_str = date_str.replace(':', '')
+    return date_str.replace(' ', '')
+
+
+def _icalendar_day(base_dir: str, nickname: str, domain: str,
+                   day_events: [], person_cache: {},
+                   http_prefix: str) -> str:
+    """Returns a day's events in icalendar format
+    """
+    ical_str = ''
+    print('icalendar: ' + str(day_events))
+    for event_post in day_events:
+        event_description = None
+        event_place = None
+        post_id = None
+        sender_name = ''
+        sender_actor = None
+        event_is_public = False
+        event_start = None
+        event_end = None
+
+        for evnt in event_post:
+            if evnt['type'] == 'Event':
+                if evnt.get('id'):
+                    post_id = evnt['id']
+                if evnt.get('startTime'):
+                    event_start = \
+                        datetime.strptime(evnt['startTime'],
+                                          "%Y-%m-%dT%H:%M:%S%z")
+                if evnt.get('endTime'):
+                    event_end = \
+                        datetime.strptime(evnt['startTime'],
+                                          "%Y-%m-%dT%H:%M:%S%z")
+                if 'public' in evnt:
+                    if evnt['public'] is True:
+                        event_is_public = True
+                if evnt.get('sender'):
+                    # get display name from sending actor
+                    if evnt.get('sender'):
+                        sender_actor = evnt['sender']
+                        disp_name = \
+                            get_display_name(base_dir, sender_actor,
+                                             person_cache)
+                        if disp_name:
+                            sender_name = \
+                                '<a href="' + sender_actor + '">' + \
+                                disp_name + '</a>'
+                if evnt.get('name'):
+                    event_description = evnt['name'].strip()
+            elif evnt['type'] == 'Place':
+                if evnt.get('name'):
+                    event_place = evnt['name']
+
+        print('icalendar: ' + str(post_id) + ' ' +
+              str(event_start) + ' ' + str(event_description) + ' ' +
+              str(sender_actor))
+
+        if not post_id or not event_start or not event_end or \
+           not event_description or not sender_actor:
+            continue
+
+        # find the corresponding post
+        post_filename = locate_post(base_dir, nickname, domain, post_id)
+        if not post_filename:
+            continue
+
+        post_json_object = load_json(post_filename)
+        if not post_json_object:
+            continue
+
+        # get the published date from the post
+        if not post_json_object.get('object'):
+            continue
+        if not isinstance(post_json_object['object'], dict):
+            continue
+        if not post_json_object['object'].get('published'):
+            continue
+        if not isinstance(post_json_object['object']['published'], str):
+            continue
+        published = \
+            _ical_date_string(post_json_object['object']['published'])
+
+        event_start = \
+            _ical_date_string(event_start.strftime("%Y-%m-%dT%H:%M:%SZ"))
+        event_end = \
+            _ical_date_string(event_end.strftime("%Y-%m-%dT%H:%M:%SZ"))
+
+        ical_str += \
+            'BEGIN:VEVENT\n' + \
+            'DTSTAMP:' + published + '\n' + \
+            'UID:' + post_id + '\n' + \
+            'DTSTART:' + event_start + '\n' + \
+            'DTEND:' + event_end + '\n' + \
+            'STATUS:CONFIRMED\n'
+        descr = remove_html(event_description)
+        if len(descr) < 255:
+            ical_str += \
+                'SUMMARY:' + descr + '\n'
+        else:
+            ical_str += \
+                'SUMMARY:' + descr[255:] + '\n'
+            ical_str += \
+                'DESCRIPTION:' + descr + '\n'
+        if event_is_public:
+            ical_str += \
+                'CATEGORIES:APPOINTMENT,PUBLIC\n'
+        else:
+            ical_str += \
+                'CATEGORIES:APPOINTMENT\n'
+        if sender_name:
+            ical_str += \
+                'ORGANIZER;CN=' + remove_html(sender_name) + ':' + \
+                sender_actor + '\n'
+        else:
+            ical_str += \
+                'ORGANIZER:' + sender_actor + '\n'
+        if event_place:
+            ical_str += \
+                'LOCATION:' + remove_html(event_place) + '\n'
+        ical_str += 'END:VEVENT\n'
+    return ical_str
+
+
+def get_todays_events_icalendar(base_dir: str, nickname: str, domain: str,
+                                year: int, month_number: int,
+                                day_number: int, person_cache: {},
+                                http_prefix: str) -> str:
+    """Returns today's events in icalendar format
+    """
+    day_events = None
+    events = \
+        get_todays_events(base_dir, nickname, domain,
+                          year, month_number, day_number)
+    if events:
+        if events.get(str(day_number)):
+            day_events = events[str(day_number)]
+
+    ical_str = \
+        '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) -> str:
+    """Returns today's events in icalendar format
+    """
+    month_events = \
+        get_calendar_events(base_dir, nickname, domain, year,
+                            month_number)
+
+    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,
-                     currDate) -> bool:
+                     curr_date) -> bool:
     """Are there calendar events for the given date?
     """
-    year = currDate.year
-    month_number = currDate.month
-    day_number = currDate.day
+    year = curr_date.year
+    month_number = curr_date.month
+    day_number = curr_date.day
 
     calendar_filename = \
         acct_dir(base_dir, nickname, domain) + \
@@ -427,6 +623,11 @@ def get_calendar_events(base_dir: str, nickname: str, domain: str,
                     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

webapp_calendar.py

@@ -24,6 +24,8 @@ from utils import local_actor_url
 from utils import replace_users_with_at
 from happening import get_todays_events
 from happening import get_calendar_events
+from happening import get_todays_events_icalendar
+from happening import get_month_events_icalendar
 from webapp_utils import set_custom_background
 from webapp_utils import html_header_with_external_style
 from webapp_utils import html_footer
@@ -243,6 +245,14 @@ def _html_calendar_day(person_cache: {}, css_cache: {}, translate: {},
 
     calendar_str += '</tbody>\n'
     calendar_str += '</table></main>\n'
+
+    # icalendar download link
+    calendar_str += \
+        '    <a href="' + path + '?ical=true" ' + \
+        'download="icalendar.ics">' + \
+        '<img class="ical" src="/icons/ical.png" ' + \
+        'title="iCalendar" alt="iCalendar" /></a>\n'
+
     calendar_str += html_footer()
 
     return calendar_str
@@ -251,14 +261,17 @@ def _html_calendar_day(person_cache: {}, css_cache: {}, translate: {},
 def html_calendar(person_cache: {}, css_cache: {}, translate: {},
                   base_dir: str, path: str,
                   http_prefix: str, domain_full: str,
-                  text_mode_banner: str, access_keys: {}) -> str:
+                  text_mode_banner: str, access_keys: {},
+                  icalendar: bool) -> str:
     """Show the calendar for a person
     """
     domain = remove_domain_port(domain_full)
 
-    month_number = 0
+    default_year = 1970
+    default_month = 0
+    month_number = default_month
     day_number = None
-    year = 1970
+    year = default_year
     actor = http_prefix + '://' + domain_full + path.replace('/calendar', '')
     if '?' in actor:
         first = True
@@ -277,11 +290,15 @@ def html_calendar(person_cache: {}, css_cache: {}, translate: {},
                         num_str = part.split('=')[1]
                         if num_str.isdigit():
                             day_number = int(num_str)
+                    elif part.split('=')[0] == 'ical':
+                        bool_str = part.split('=')[1]
+                        if bool_str.lower().startswith('t'):
+                            icalendar = True
             first = False
         actor = actor.split('?')[0]
 
     curr_date = datetime.now()
-    if year == 1970 and month_number == 0:
+    if year == default_year and month_number == default_month:
         year = curr_date.year
         month_number = curr_date.month
 
@@ -297,6 +314,13 @@ def html_calendar(person_cache: {}, css_cache: {}, translate: {},
     month_name = translate[months[month_number - 1]]
 
     if day_number:
+        if icalendar:
+            return get_todays_events_icalendar(base_dir,
+                                               nickname, domain,
+                                               year, month_number,
+                                               day_number,
+                                               person_cache,
+                                               http_prefix)
         day_events = None
         events = \
             get_todays_events(base_dir, nickname, domain,
@@ -310,6 +334,11 @@ def html_calendar(person_cache: {}, css_cache: {}, translate: {},
                                   nickname, domain, day_events,
                                   month_name, actor)
 
+    if icalendar:
+        return get_month_events_icalendar(base_dir, nickname, domain,
+                                          year, month_number, person_cache,
+                                          http_prefix)
+
     events = \
         get_calendar_events(base_dir, nickname, domain, year, month_number)
 
@@ -469,8 +498,14 @@ def html_calendar(person_cache: {}, css_cache: {}, translate: {},
         '<a href="' + cal_actor + '/newreminder">➕ ' + \
         translate['Add to the calendar'] + '</a>\n</p>\n</center>\n'
 
+    calendar_icon_str = \
+        '    <a href="' + path + '?ical=true" ' + \
+        'download="icalendar.ics">' + \
+        '<img class="ical" src="/icons/ical.png" ' + \
+        'title="iCalendar" alt="iCalendar" /></a>\n'
+
     cal_str = \
         header_str + screen_reader_cal + calendar_str + \
-        new_event_str + html_footer()
+        new_event_str + calendar_icon_str + html_footer()
 
     return cal_str