mirror of
https://gitlab.com/davical-project/davical.git
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0797e8233e
Added in support of Issue #31, Database Performance Improvements. Note creation of 1.2.12 db patch script - may need renaming or other special treatment when merging this branch.
453 lines
15 KiB
PL/PgSQL
453 lines
15 KiB
PL/PgSQL
-- DAViCal CalDAV Server - Database Schema
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--
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-- Given a verbose DAV: or CalDAV: privilege name return the bitmask
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CREATE or REPLACE FUNCTION privilege_to_bits( TEXT ) RETURNS BIT(24) AS $$
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DECLARE
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raw_priv ALIAS FOR $1;
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in_priv TEXT;
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BEGIN
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in_priv := trim(lower(regexp_replace(raw_priv, '^.*:', '')));
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IF in_priv = 'all' THEN
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RETURN ~ 0::BIT(24);
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END IF;
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RETURN (CASE
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WHEN in_priv = 'read' THEN 4609 -- 1 + 512 + 4096
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WHEN in_priv = 'write' THEN 198 -- 2 + 4 + 64 + 128
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WHEN in_priv = 'write-properties' THEN 2
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WHEN in_priv = 'write-content' THEN 4
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WHEN in_priv = 'unlock' THEN 8
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WHEN in_priv = 'read-acl' THEN 16
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WHEN in_priv = 'read-current-user-privilege-set' THEN 32
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WHEN in_priv = 'bind' THEN 64
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WHEN in_priv = 'unbind' THEN 128
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WHEN in_priv = 'write-acl' THEN 256
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WHEN in_priv = 'read-free-busy' THEN 4608 -- 512 + 4096
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WHEN in_priv = 'schedule-deliver' THEN 7168 -- 1024 + 2048 + 4096
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WHEN in_priv = 'schedule-deliver-invite' THEN 1024
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WHEN in_priv = 'schedule-deliver-reply' THEN 2048
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WHEN in_priv = 'schedule-query-freebusy' THEN 4096
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WHEN in_priv = 'schedule-send' THEN 57344 -- 8192 + 16384 + 32768
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WHEN in_priv = 'schedule-send-invite' THEN 8192
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WHEN in_priv = 'schedule-send-reply' THEN 16384
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WHEN in_priv = 'schedule-send-freebusy' THEN 32768
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ELSE 0 END)::BIT(24);
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END
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$$
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LANGUAGE plpgsql IMMUTABLE STRICT;
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-- Given an array of verbose DAV: or CalDAV: privilege names return the bitmask
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CREATE or REPLACE FUNCTION privilege_to_bits( TEXT[] ) RETURNS BIT(24) AS $$
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DECLARE
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raw_privs ALIAS FOR $1;
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in_priv TEXT;
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out_bits BIT(24);
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i INT;
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allprivs BIT(24);
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start INT;
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finish INT;
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BEGIN
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out_bits := 0::BIT(24);
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allprivs := ~ out_bits;
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SELECT array_lower(raw_privs,1) INTO start;
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SELECT array_upper(raw_privs,1) INTO finish;
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FOR i IN start .. finish LOOP
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SELECT out_bits | privilege_to_bits(raw_privs[i]) INTO out_bits;
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IF out_bits = allprivs THEN
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RETURN allprivs;
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END IF;
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END LOOP;
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RETURN out_bits;
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END
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$$
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LANGUAGE plpgsql IMMUTABLE STRICT;
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-- This sequence is used in a number of places so that any DAV resource will have a unique ID
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CREATE SEQUENCE dav_id_seq;
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-- Used by the timezone server, but we also load it with random timezones
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-- from events, if we don't already have those definitions.
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CREATE TABLE timezones (
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our_tzno SERIAL PRIMARY KEY,
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tzid TEXT UNIQUE NOT NULL,
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olson_name TEXT,
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active BOOLEAN,
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last_modified TIMESTAMP DEFAULT current_timestamp,
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etag TEXT,
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vtimezone TEXT
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);
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CREATE TABLE tz_aliases (
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our_tzno INT8 REFERENCES timezones(our_tzno),
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tzalias TEXT NOT NULL
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);
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CREATE TABLE tz_localnames (
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our_tzno INT8 REFERENCES timezones(our_tzno),
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locale TEXT NOT NULL,
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localised_name TEXT NOT NULL,
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preferred BOOLEAN DEFAULT TRUE
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);
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-- Something that can look like a filesystem hierarchy where we store stuff
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CREATE TABLE collection (
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user_no INT references usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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parent_container TEXT,
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dav_name TEXT,
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dav_etag TEXT,
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dav_displayname TEXT,
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is_calendar BOOLEAN,
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created TIMESTAMP WITH TIME ZONE,
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modified TIMESTAMP WITH TIME ZONE,
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public_events_only BOOLEAN NOT NULL DEFAULT FALSE,
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publicly_readable BOOLEAN NOT NULL DEFAULT FALSE,
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collection_id INT8 PRIMARY KEY DEFAULT nextval('dav_id_seq'),
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default_privileges BIT(24),
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is_addressbook BOOLEAN DEFAULT FALSE,
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resourcetypes TEXT DEFAULT '<DAV::collection/>',
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schedule_transp TEXT DEFAULT 'opaque',
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timezone TEXT REFERENCES timezones(tzid) ON DELETE SET NULL ON UPDATE CASCADE,
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description TEXT DEFAULT '',
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UNIQUE(user_no,dav_name)
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);
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ALTER TABLE collection ADD CONSTRAINT unique_path UNIQUE (dav_name);
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CREATE INDEX collection_dav_name_idx ON collection (dav_name);
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-- The main event. Where we store the things the calendar throws at us.
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CREATE TABLE caldav_data (
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user_no INT references usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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dav_name TEXT,
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dav_etag TEXT,
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created TIMESTAMP WITH TIME ZONE,
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modified TIMESTAMP WITH TIME ZONE,
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caldav_data TEXT,
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caldav_type TEXT,
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logged_user INT references usr(user_no) ON UPDATE CASCADE ON DELETE SET DEFAULT DEFERRABLE,
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dav_id INT8 UNIQUE DEFAULT nextval('dav_id_seq'),
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collection_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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weak_etag TEXT DEFAULT NULL,
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PRIMARY KEY ( user_no, dav_name )
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);
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CREATE INDEX caldav_data_collection_id_fkey ON caldav_data(collection_id);
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CREATE INDEX caldav_data_dav_name_idx ON caldav_data (dav_name);
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-- The parsed calendar item. Here we have pulled those events/todos/journals apart somewhat.
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CREATE TABLE calendar_item (
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user_no INT references usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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dav_name TEXT,
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dav_etag TEXT,
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-- Extracted vEvent/vTodo data
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uid TEXT,
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created TIMESTAMP,
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last_modified TIMESTAMP,
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dtstamp TIMESTAMP,
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dtstart TIMESTAMP WITH TIME ZONE,
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dtend TIMESTAMP WITH TIME ZONE,
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due TIMESTAMP WITH TIME ZONE,
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summary TEXT,
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location TEXT,
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description TEXT,
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priority INT,
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class TEXT,
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transp TEXT,
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rrule TEXT,
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url TEXT,
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percent_complete NUMERIC(7,2),
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tz_id TEXT REFERENCES timezones( tzid ),
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status TEXT,
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completed TIMESTAMP WITH TIME ZONE,
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dav_id INT8 UNIQUE,
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collection_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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first_instance_start TIMESTAMP WITHOUT TIME ZONE DEFAULT NULL,
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last_instance_end TIMESTAMP WITHOUT TIME ZONE DEFAULT NULL,
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-- Cascade updates / deletes from the caldav_data table
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CONSTRAINT caldav_exists FOREIGN KEY ( user_no, dav_name )
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REFERENCES caldav_data ( user_no, dav_name )
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MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE DEFERRABLE,
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PRIMARY KEY ( user_no, dav_name )
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);
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CREATE INDEX calendar_item_collection_id_fkey ON calendar_item(collection_id);
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CREATE INDEX calendar_item_dav_name_idx ON calendar_item (dav_name);
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-- Each user can be related to each other user. This mechanism can also
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-- be used to define groups of users, since some relationships are transitive.
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CREATE TABLE relationship_type (
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rt_id SERIAL PRIMARY KEY,
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rt_name TEXT,
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rt_togroup BOOLEAN,
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confers TEXT DEFAULT 'RW',
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rt_fromgroup BOOLEAN,
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bit_confers BIT(24) DEFAULT privilege_to_bits(ARRAY['DAV::read','DAV::write'])
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);
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CREATE TABLE relationship (
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from_user INT REFERENCES usr (user_no) ON UPDATE CASCADE ON DELETE CASCADE,
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to_user INT REFERENCES usr (user_no) ON UPDATE CASCADE ON DELETE CASCADE,
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rt_id INT REFERENCES relationship_type (rt_id) ON UPDATE CASCADE ON DELETE CASCADE,
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confers BIT(24) DEFAULT privilege_to_bits(ARRAY['DAV::read','DAV::write']),
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PRIMARY KEY ( from_user, to_user, rt_id )
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);
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CREATE TABLE locks (
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dav_name TEXT,
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opaquelocktoken TEXT UNIQUE NOT NULL,
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type TEXT,
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scope TEXT,
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depth INT,
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owner TEXT,
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timeout INTERVAL,
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start TIMESTAMP DEFAULT current_timestamp
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);
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CREATE INDEX locks_dav_name_idx ON locks(dav_name);
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CREATE TABLE property (
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dav_name TEXT,
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property_name TEXT,
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property_value TEXT,
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changed_on TIMESTAMP DEFAULT current_timestamp,
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changed_by INT REFERENCES usr ( user_no ) ON UPDATE CASCADE ON DELETE SET DEFAULT,
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PRIMARY KEY ( dav_name, property_name )
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);
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CREATE INDEX properties_dav_name_idx ON property(dav_name);
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CREATE TABLE freebusy_ticket (
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ticket_id TEXT NOT NULL PRIMARY KEY,
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user_no integer NOT NULL REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE,
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created timestamp with time zone DEFAULT current_timestamp NOT NULL
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);
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CREATE or REPLACE FUNCTION sync_dav_id ( ) RETURNS TRIGGER AS $$
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DECLARE
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BEGIN
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IF TG_OP = 'DELETE' THEN
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-- Just let the ON DELETE CASCADE handle this case
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RETURN OLD;
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END IF;
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IF NEW.dav_id IS NULL THEN
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NEW.dav_id = nextval('dav_id_seq');
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END IF;
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IF TG_OP = 'UPDATE' THEN
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IF OLD.dav_id != NEW.dav_id OR OLD.collection_id != NEW.collection_id
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OR OLD.user_no != NEW.user_no OR OLD.dav_name != NEW.dav_name THEN
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UPDATE calendar_item SET dav_id = NEW.dav_id, user_no = NEW.user_no,
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collection_id = NEW.collection_id, dav_name = NEW.dav_name
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WHERE dav_name = OLD.dav_name OR dav_id = OLD.dav_id;
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END IF;
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RETURN NEW;
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END IF;
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UPDATE calendar_item SET dav_id = NEW.dav_id, user_no = NEW.user_no,
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collection_id = NEW.collection_id, dav_name = NEW.dav_name
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WHERE dav_name = NEW.dav_name OR dav_id = NEW.dav_id;
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RETURN NEW;
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END
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER caldav_data_sync_dav_id AFTER INSERT OR UPDATE ON caldav_data
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FOR EACH ROW EXECUTE PROCEDURE sync_dav_id();
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-- Only needs SELECT access by website.
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CREATE TABLE principal_type (
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principal_type_id SERIAL PRIMARY KEY,
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principal_type_desc TEXT
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);
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-- web needs SELECT,INSERT,UPDATE,DELETE
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CREATE TABLE principal (
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principal_id INT8 DEFAULT nextval('dav_id_seq') PRIMARY KEY,
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type_id INT8 NOT NULL REFERENCES principal_type(principal_type_id) ON UPDATE CASCADE ON DELETE RESTRICT DEFERRABLE,
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user_no INT8 NULL REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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displayname TEXT,
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default_privileges BIT(24)
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);
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ALTER TABLE principal ADD CONSTRAINT unique_user UNIQUE (user_no);
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-- Allowing identification of group members.
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CREATE TABLE group_member (
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group_id INT8 REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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member_id INT8 REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE
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);
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CREATE UNIQUE INDEX group_member_pk ON group_member(group_id,member_id);
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CREATE INDEX group_member_sk ON group_member(member_id);
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CREATE TABLE grants (
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by_principal INT8 REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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by_collection INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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to_principal INT8 REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
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privileges BIT(24),
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is_group BOOLEAN
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) WITHOUT OIDS;
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CREATE UNIQUE INDEX grants_pk1 ON grants(by_principal,to_principal);
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CREATE UNIQUE INDEX grants_pk2 ON grants(by_collection,to_principal);
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CREATE TABLE sync_tokens (
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sync_token SERIAL PRIMARY KEY,
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collection_id INT8 REFERENCES collection(collection_id) ON DELETE CASCADE ON UPDATE CASCADE,
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modification_time TIMESTAMP WITH TIME ZONE DEFAULT current_timestamp
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);
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CREATE INDEX sync_tokens_collection_idx ON sync_tokens (collection_id);
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CREATE TABLE sync_changes (
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sync_time TIMESTAMP WITH TIME ZONE DEFAULT current_timestamp,
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collection_id INT8 REFERENCES collection(collection_id) ON DELETE CASCADE ON UPDATE CASCADE,
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sync_status INT,
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dav_id INT8, -- can't REFERENCES calendar_item(dav_id) ON DELETE SET NULL ON UPDATE RESTRICT
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dav_name TEXT
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);
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CREATE INDEX sync_processing_index ON sync_changes( collection_id, dav_id, sync_time );
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-- Revision 1.2.7 endeth here.
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CREATE TABLE access_ticket (
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ticket_id TEXT PRIMARY KEY,
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dav_owner_id INT8 NOT NULL REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE,
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privileges BIT(24),
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target_collection_id INT8 NOT NULL REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE,
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target_resource_id INT8 REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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expires TIMESTAMP
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);
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-- At this point we only support binding collections
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CREATE TABLE dav_binding (
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bind_id INT8 DEFAULT nextval('dav_id_seq') PRIMARY KEY,
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bound_source_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE,
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access_ticket_id TEXT REFERENCES access_ticket(ticket_id) ON UPDATE CASCADE ON DELETE SET NULL,
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dav_owner_id INT8 NOT NULL REFERENCES principal(principal_id) ON UPDATE CASCADE ON DELETE CASCADE,
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parent_container TEXT NOT NULL,
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dav_name TEXT UNIQUE NOT NULL,
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dav_displayname TEXT,
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external_url TEXT,
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type TEXT
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);
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CREATE TABLE addressbook_resource (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE PRIMARY KEY,
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version TEXT,
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uid TEXT,
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nickname TEXT,
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fn TEXT, -- fullname
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n TEXT, -- Name Surname;First names
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note TEXT,
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org TEXT,
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url TEXT,
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fburl TEXT,
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caladruri TEXT,
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caluri TEXT
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);
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CREATE TABLE addressbook_address_adr (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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type TEXT,
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box_no TEXT,
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unit_no TEXT,
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street_address TEXT,
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locality TEXT,
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region TEXT,
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postcode TEXT,
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country TEXT,
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property TEXT -- The full text of the property
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);
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CREATE TABLE addressbook_address_tel (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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type TEXT,
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tel TEXT,
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property TEXT -- The full text of the property
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);
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CREATE TABLE addressbook_address_email (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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type TEXT,
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email TEXT,
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property TEXT -- The full text of the property
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);
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CREATE TABLE calendar_alarm (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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action TEXT,
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trigger TEXT,
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summary TEXT,
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description TEXT,
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next_trigger TIMESTAMP WITH TIME ZONE,
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component TEXT, -- The full text of the component
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trigger_state CHAR DEFAULT 'N' -- 'N' => 'New/Needs setting', 'A' = 'Active', 'O' = 'Old'
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);
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CREATE TABLE calendar_attendee (
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dav_id INT8 NOT NULL REFERENCES caldav_data(dav_id) ON UPDATE CASCADE ON DELETE CASCADE,
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status TEXT,
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partstat TEXT,
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cn TEXT,
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attendee TEXT,
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role TEXT,
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rsvp BOOLEAN,
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property TEXT, -- The full text of the property
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attendee_state TEXT, -- Internal DAViCal processing state
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weak_etag TEXT, -- The week_etag applying for this attendee state
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PRIMARY KEY ( dav_id, attendee )
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);
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CREATE or REPLACE FUNCTION real_path_exists( TEXT ) RETURNS BOOLEAN AS $$
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DECLARE
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in_path ALIAS FOR $1;
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tmp BOOLEAN;
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BEGIN
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IF in_path = '/' THEN
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RETURN TRUE;
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END IF;
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IF in_path ~ '^/[^/]+/$' THEN
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SELECT TRUE INTO tmp FROM usr WHERE username = substring( in_path from 2 for length(in_path) - 2);
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IF FOUND THEN
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RETURN TRUE;
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END IF;
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ELSE
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IF in_path ~ '^/.*/$' THEN
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SELECT TRUE INTO tmp FROM collection WHERE dav_name = in_path;
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IF FOUND THEN
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RETURN TRUE;
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END IF;
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END IF;
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END IF;
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RETURN FALSE;
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END;
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$$ LANGUAGE plpgsql ;
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ALTER TABLE dav_binding ADD CONSTRAINT "dav_name_does_not_exist"
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CHECK (NOT real_path_exists(dav_name));
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SELECT new_db_revision(1,2,12, 'Decembre' );
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