132 lines
4.7 KiB
PL/PgSQL
132 lines
4.7 KiB
PL/PgSQL
BEGIN;
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-- Create pg_net extension
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CREATE EXTENSION IF NOT EXISTS pg_net SCHEMA extensions;
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-- Create supabase_functions schema
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CREATE SCHEMA IF NOT EXISTS supabase_functions AUTHORIZATION postgres;
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-- Grant basic permissions
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GRANT USAGE ON SCHEMA supabase_functions TO postgres, anon, authenticated, service_role;
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ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON TABLES TO postgres, anon, authenticated, service_role;
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ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON FUNCTIONS TO postgres, anon, authenticated, service_role;
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ALTER DEFAULT PRIVILEGES IN SCHEMA supabase_functions GRANT ALL ON SEQUENCES TO postgres, anon, authenticated, service_role;
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-- supabase_functions.migrations definition
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CREATE TABLE IF NOT EXISTS supabase_functions.migrations (
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version text PRIMARY KEY,
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inserted_at timestamptz NOT NULL DEFAULT NOW()
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);
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-- Initial supabase_functions migration
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INSERT INTO supabase_functions.migrations (version) VALUES ('initial') ON CONFLICT DO NOTHING;
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-- supabase_functions.hooks definition
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CREATE TABLE IF NOT EXISTS supabase_functions.hooks (
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id bigserial PRIMARY KEY,
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hook_table_id integer NOT NULL,
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hook_name text NOT NULL,
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created_at timestamptz NOT NULL DEFAULT NOW(),
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request_id bigint
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);
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-- Create indexes if they don't exist
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CREATE INDEX IF NOT EXISTS supabase_functions_hooks_request_id_idx ON supabase_functions.hooks USING btree (request_id);
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CREATE INDEX IF NOT EXISTS supabase_functions_hooks_h_table_id_h_name_idx ON supabase_functions.hooks USING btree (hook_table_id, hook_name);
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COMMENT ON TABLE supabase_functions.hooks IS 'Supabase Functions Hooks: Audit trail for triggered hooks.';
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-- Create the http_request function
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CREATE OR REPLACE FUNCTION supabase_functions.http_request()
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RETURNS trigger
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LANGUAGE plpgsql
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AS $function$
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DECLARE
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request_id bigint;
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payload jsonb;
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url text := TG_ARGV[0]::text;
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method text := TG_ARGV[1]::text;
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headers jsonb DEFAULT '{}'::jsonb;
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params jsonb DEFAULT '{}'::jsonb;
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timeout_ms integer DEFAULT 1000;
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BEGIN
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IF url IS NULL OR url = 'null' THEN
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RAISE EXCEPTION 'url argument is missing';
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END IF;
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IF method IS NULL OR method = 'null' THEN
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RAISE EXCEPTION 'method argument is missing';
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END IF;
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IF TG_ARGV[2] IS NULL OR TG_ARGV[2] = 'null' THEN
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headers = '{"Content-Type": "application/json"}'::jsonb;
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ELSE
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headers = TG_ARGV[2]::jsonb;
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END IF;
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IF TG_ARGV[3] IS NULL OR TG_ARGV[3] = 'null' THEN
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params = '{}'::jsonb;
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ELSE
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params = TG_ARGV[3]::jsonb;
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END IF;
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IF TG_ARGV[4] IS NULL OR TG_ARGV[4] = 'null' THEN
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timeout_ms = 1000;
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ELSE
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timeout_ms = TG_ARGV[4]::integer;
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END IF;
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CASE
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WHEN method = 'GET' THEN
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SELECT http_get INTO request_id FROM net.http_get(
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url,
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params,
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headers,
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timeout_ms
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);
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WHEN method = 'POST' THEN
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payload = jsonb_build_object(
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'old_record', OLD,
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'record', NEW,
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'type', TG_OP,
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'table', TG_TABLE_NAME,
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'schema', TG_TABLE_SCHEMA
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);
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SELECT http_post INTO request_id FROM net.http_post(
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url,
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payload,
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params,
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headers,
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timeout_ms
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);
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ELSE
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RAISE EXCEPTION 'method argument % is invalid', method;
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END CASE;
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INSERT INTO supabase_functions.hooks
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(hook_table_id, hook_name, request_id)
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VALUES
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(TG_RELID, TG_NAME, request_id);
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RETURN NEW;
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END
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$function$;
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-- Set function properties
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ALTER FUNCTION supabase_functions.http_request() SECURITY DEFINER;
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ALTER FUNCTION supabase_functions.http_request() SET search_path = supabase_functions;
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-- Grant execute permissions
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REVOKE ALL ON FUNCTION supabase_functions.http_request() FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION supabase_functions.http_request() TO postgres, anon, authenticated, service_role;
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-- Grant pg_net permissions
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GRANT USAGE ON SCHEMA net TO postgres, anon, authenticated, service_role;
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GRANT EXECUTE ON FUNCTION net.http_get(url text, params jsonb, headers jsonb, timeout_milliseconds integer) TO postgres, anon, authenticated, service_role;
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GRANT EXECUTE ON FUNCTION net.http_post(url text, body jsonb, params jsonb, headers jsonb, timeout_milliseconds integer) TO postgres, anon, authenticated, service_role;
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-- Add migration record
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INSERT INTO supabase_functions.migrations (version) VALUES ('20210809183423_update_grants') ON CONFLICT DO NOTHING;
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COMMIT;
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