supabase/volumes/db/51-webhooks.sql

124 lines
4.2 KiB
PL/PgSQL

-- Create pg_net extension outside transaction (cannot run inside BEGIN/COMMIT)
CREATE EXTENSION IF NOT EXISTS pg_net SCHEMA extensions;
BEGIN;
-- Create pg_net extension
-- pg_net extension created above (outside transaction)
-- Create the supabase_functions schema
CREATE SCHEMA IF NOT EXISTS supabase_functions AUTHORIZATION supabase_admin;
GRANT USAGE ON SCHEMA supabase_functions TO postgres, anon, authenticated, service_role;
ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON TABLES TO postgres, anon, authenticated, service_role;
ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON FUNCTIONS TO postgres, anon, authenticated, service_role;
ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON SEQUENCES TO postgres, anon, authenticated, service_role;
-- supabase_functions.migrations definition
CREATE TABLE supabase_functions.migrations (
version text PRIMARY KEY,
inserted_at timestamptz NOT NULL DEFAULT NOW()
);
-- Initial supabase_functions migration
INSERT INTO supabase_functions.migrations (version) VALUES ('initial');
-- supabase_functions.hooks definition
CREATE TABLE supabase_functions.hooks (
id bigserial PRIMARY KEY,
hook_table_id integer NOT NULL,
hook_name text NOT NULL,
created_at timestamptz NOT NULL DEFAULT NOW(),
request_id bigint
);
CREATE INDEX supabase_functions_hooks_request_id_idx ON supabase_functions.hooks USING btree (request_id);
CREATE INDEX supabase_functions_hooks_h_table_id_h_name_idx ON supabase_functions.hooks USING btree (hook_table_id, hook_name);
COMMENT ON TABLE supabase_functions.hooks IS 'Webhook request logs stored temporarily while awaiting the request.';
CREATE FUNCTION supabase_functions.http_request()
RETURNS trigger
LANGUAGE plpgsql
AS $func$
DECLARE
request_id bigint;
payload jsonb;
url text := TG_ARGV[0]::text;
method text := TG_ARGV[1]::text;
headers jsonb DEFAULT '{}'::jsonb;
params jsonb DEFAULT '{}'::jsonb;
timeout_ms integer DEFAULT 1000;
BEGIN
IF url IS NULL OR url = 'null' THEN
RAISE EXCEPTION 'url argument is missing';
END IF;
IF method IS NULL OR method = 'null' THEN
RAISE EXCEPTION 'method argument is missing';
END IF;
IF TG_ARGV[2] IS NULL OR TG_ARGV[2] = 'null' THEN
headers = '{}'::jsonb;
ELSE
headers = TG_ARGV[2]::jsonb;
END IF;
IF TG_ARGV[3] IS NULL OR TG_ARGV[3] = 'null' THEN
params = '{}'::jsonb;
ELSE
params = TG_ARGV[3]::jsonb;
END IF;
IF TG_ARGV[4] IS NULL OR TG_ARGV[4] = 'null' THEN
timeout_ms = 1000;
ELSE
timeout_ms = TG_ARGV[4]::integer;
END IF;
CASE
WHEN method = 'GET' THEN
SELECT http_get INTO request_id FROM net.http_get(
url,
params,
headers,
timeout_ms
);
WHEN method = 'POST' THEN
payload = jsonb_build_object(
'old_record', OLD,
'record', NEW,
'type', TG_OP,
'table', TG_TABLE_NAME,
'schema', TG_TABLE_SCHEMA
);
SELECT http_post INTO request_id FROM net.http_post(
url,
payload,
headers,
timeout_ms
);
ELSE
RAISE EXCEPTION 'method argument % is invalid', method;
END CASE;
INSERT INTO supabase_functions.hooks
(hook_table_id, hook_name, request_id)
VALUES
(TG_RELID, TG_NAME, request_id);
RETURN NEW;
END
$func$;
-- Supabase super admin
DO
$$
BEGIN
IF NOT EXISTS (
SELECT FROM pg_catalog.pg_roles
WHERE rolname = 'supabase_functions_admin'
) THEN
CREATE ROLE supabase_functions_admin NOINHERIT CREATEROLE LOGIN NOREPLICATION;
END IF;
END
$$;
GRANT ALL PRIVILEGES ON SCHEMA supabase_functions TO supabase_functions_admin;
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA supabase_functions TO supabase_functions_admin;
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA supabase_functions TO supabase_functions_admin;
ALTER function supabase_functions.http_request() OWNER TO supabase_functions_admin;
INSERT INTO supabase_functions.migrations (version) VALUES ('20210809183942_update_grants');
ALTER ROLE supabase_functions_admin SET search_path = supabase_functions;
COMMIT;