94 lines
2.1 KiB
JavaScript
94 lines
2.1 KiB
JavaScript
'use strict';
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const { stringifyForLogs } = require('../utils/logs');
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const MAX_SQL_LENGTH = (global.settings.logQueries && global.settings.maxQueriesLogLength) || 1024;
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const TYPES = {
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QUERY: 'query',
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JOB: 'job'
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};
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module.exports = function log(sqlType = TYPES.QUERY) {
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return function logMiddleware(req, res, next) {
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const logObj = {
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request: {
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sql: prepareSQL(res.locals.params.sql, sqlType)
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}
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};
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res.set('X-SQLAPI-Log', stringifyForLogs(logObj));
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return next();
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};
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};
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module.exports.TYPES = TYPES;
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function prepareSQL(sql, sqlType) {
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if (!sql || !global.settings.logQueries) {
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return null;
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}
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if (typeof sql === 'string') {
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return {
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type: sqlType,
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sql: ensureMaxQueryLength(sql)
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};
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}
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if (Array.isArray(sql)) {
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return {
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type: sqlType,
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sql: sql.map(q => ensureMaxQueryLength(q))
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};
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}
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if (sql.query && Array.isArray(sql.query)) {
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return {
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type: sqlType,
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sql: prepareBatchFallbackQuery(sql)
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};
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}
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}
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/**
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* Process a Batch API fallback query controlling the queries length
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* We need to create a new object avoiding original modifications
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*
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* @param {Object} sql
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*/
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function prepareBatchFallbackQuery(sql) {
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const fallbackQuery = {};
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if (sql.onsuccess) {
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fallbackQuery.onsuccess = ensureMaxQueryLength(sql.onsuccess);
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}
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if (sql.onerror) {
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fallbackQuery.onerror = ensureMaxQueryLength(sql.onerror);
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}
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fallbackQuery.query = sql.query.map(query => {
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const subquery = {
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query: ensureMaxQueryLength(query.query)
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};
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if (query.onsuccess) {
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subquery.onsuccess = ensureMaxQueryLength(query.onsuccess);
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}
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if (query.onerror) {
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subquery.onerror = ensureMaxQueryLength(query.onerror);
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}
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return subquery;
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});
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return fallbackQuery;
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}
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function ensureMaxQueryLength(sql) {
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return sql.substring(0, MAX_SQL_LENGTH);
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}
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