mirror of
https://github.com/zadam/trilium.git
synced 2024-12-25 08:43:03 +08:00
321 lines
No EOL
9.2 KiB
JavaScript
321 lines
No EOL
9.2 KiB
JavaScript
"use strict";
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const log = require('./log');
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const rp = require('request-promise');
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const sql = require('./sql');
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const options = require('./options');
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const migration = require('./migration');
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const utils = require('./utils');
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const config = require('./config');
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const source_id = require('./source_id');
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const notes = require('./notes');
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const syncUpdate = require('./sync_update');
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const content_hash = require('./content_hash');
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const event_log = require('./event_log');
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const SYNC_SERVER = config['Sync']['syncServerHost'];
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const isSyncSetup = !!SYNC_SERVER;
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const SYNC_TIMEOUT = config['Sync']['syncServerTimeout'] || 5000;
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const SYNC_PROXY = config['Sync']['syncProxy'];
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let syncInProgress = false;
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let proxyToggle = true;
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async function sync() {
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if (syncInProgress) {
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log.info("Sync already in progress");
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return {
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success: false,
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message: "Sync already in progress"
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};
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}
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syncInProgress = true;
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try {
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if (!await migration.isDbUpToDate()) {
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log.info("DB not up to date");
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return {
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success: false,
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message: "DB not up to date"
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};
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}
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const syncContext = await login();
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await pushSync(syncContext);
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await pullSync(syncContext);
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await pushSync(syncContext);
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await checkContentHash(syncContext);
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return {
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success: true
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};
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}
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catch (e) {
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proxyToggle = !proxyToggle;
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if (e.message.indexOf('ECONNREFUSED') !== -1) {
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log.info("No connection to sync server.");
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return {
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success: false,
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message: "No connection to sync server."
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};
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}
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else {
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log.info("sync failed: " + e.stack);
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return {
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success: false,
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message: e.message
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}
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}
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}
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finally {
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syncInProgress = false;
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}
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}
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async function login() {
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const timestamp = utils.nowTimestamp();
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const documentSecret = await options.getOption('document_secret');
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const hash = utils.hmac(documentSecret, timestamp);
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const syncContext = { cookieJar: rp.jar() };
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const resp = await syncRequest(syncContext, 'POST', '/api/login/sync', {
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timestamp: timestamp,
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dbVersion: migration.APP_DB_VERSION,
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hash: hash
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});
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syncContext.sourceId = resp.sourceId;
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return syncContext;
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}
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async function getLastSyncedPull() {
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return parseInt(await options.getOption('last_synced_pull'));
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}
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async function setLastSyncedPull(syncId) {
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await sql.doInTransaction(async () => {
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await options.setOption('last_synced_pull', syncId);
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});
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}
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async function pullSync(syncContext) {
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const lastSyncedPull = await getLastSyncedPull();
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const changesUri = '/api/sync/changed?lastSyncId=' + lastSyncedPull;
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const syncRows = await syncRequest(syncContext, 'GET', changesUri);
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log.info("Pulled " + syncRows.length + " changes from " + changesUri);
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for (const sync of syncRows) {
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if (source_id.isLocalSourceId(sync.source_id)) {
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log.info("Skipping " + sync.entity_name + " " + sync.entity_id + " because it has local source id.");
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await setLastSyncedPull(sync.id);
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continue;
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}
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const resp = await syncRequest(syncContext, 'GET', "/api/sync/" + sync.entity_name + "/" + encodeURIComponent(sync.entity_id));
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if (!resp) {
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log.error("Empty response to pull for " + sync.entity_name + ", id=" + sync.entity_id);
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}
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if (sync.entity_name === 'notes') {
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await syncUpdate.updateNote(resp.entity, syncContext.sourceId);
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}
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else if (sync.entity_name === 'notes_tree') {
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await syncUpdate.updateNoteTree(resp, syncContext.sourceId);
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}
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else if (sync.entity_name === 'notes_history') {
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await syncUpdate.updateNoteHistory(resp, syncContext.sourceId);
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}
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else if (sync.entity_name === 'notes_reordering') {
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await syncUpdate.updateNoteReordering(resp, syncContext.sourceId);
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}
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else if (sync.entity_name === 'options') {
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await syncUpdate.updateOptions(resp, syncContext.sourceId);
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}
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else if (sync.entity_name === 'recent_notes') {
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await syncUpdate.updateRecentNotes(resp, syncContext.sourceId);
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}
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else {
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throw new Error("Unrecognized entity type " + sync.entity_name);
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}
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await setLastSyncedPull(sync.id);
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}
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log.info("Finished pull");
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}
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async function getLastSyncedPush() {
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return parseInt(await options.getOption('last_synced_push'));
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}
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async function setLastSyncedPush(lastSyncedPush) {
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await sql.doInTransaction(async () => {
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await options.setOption('last_synced_push', lastSyncedPush);
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});
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}
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async function pushSync(syncContext) {
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let lastSyncedPush = await getLastSyncedPush();
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while (true) {
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const sync = await sql.getSingleResultOrNull('SELECT * FROM sync WHERE id > ? LIMIT 1', [lastSyncedPush]);
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if (sync === null) {
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// nothing to sync
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log.info("Nothing to push");
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break;
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}
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if (sync.source_id === syncContext.sourceId) {
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log.info("Skipping sync " + sync.entity_name + " " + sync.entity_id + " because it originates from sync target");
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}
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else {
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await readAndPushEntity(sync, syncContext);
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}
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lastSyncedPush = sync.id;
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await setLastSyncedPush(lastSyncedPush);
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}
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}
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async function readAndPushEntity(sync, syncContext) {
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let entity;
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if (sync.entity_name === 'notes') {
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entity = await sql.getSingleResult('SELECT * FROM notes WHERE note_id = ?', [sync.entity_id]);
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}
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else if (sync.entity_name === 'notes_tree') {
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entity = await sql.getSingleResult('SELECT * FROM notes_tree WHERE note_tree_id = ?', [sync.entity_id]);
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}
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else if (sync.entity_name === 'notes_history') {
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entity = await sql.getSingleResult('SELECT * FROM notes_history WHERE note_history_id = ?', [sync.entity_id]);
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}
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else if (sync.entity_name === 'notes_reordering') {
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entity = {
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note_pid: sync.entity_id,
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ordering: await sql.getMap('SELECT note_tree_id, note_pos FROM notes_tree WHERE note_pid = ?', [sync.entity_id])
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};
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}
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else if (sync.entity_name === 'options') {
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entity = await sql.getSingleResult('SELECT * FROM options WHERE opt_name = ?', [sync.entity_id]);
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}
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else if (sync.entity_name === 'recent_notes') {
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entity = await sql.getSingleResult('SELECT * FROM recent_notes WHERE note_path = ?', [sync.entity_id]);
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}
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else {
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throw new Error("Unrecognized entity type " + sync.entity_name);
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}
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if (!entity) {
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log.info("Sync entity for " + sync.entity_name + " " + sync.entity_id + " doesn't exist. Skipping.");
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return;
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}
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log.info("Pushing changes in " + sync.entity_name + " " + sync.entity_id);
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await sendEntity(syncContext, entity, sync.entity_name);
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}
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async function sendEntity(syncContext, entity, entityName) {
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const payload = {
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sourceId: source_id.currentSourceId,
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entity: entity
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};
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await syncRequest(syncContext, 'PUT', '/api/sync/' + entityName, payload);
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}
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async function checkContentHash(syncContext) {
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const lastSyncedPush = await getLastSyncedPush();
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const notPushedSyncs = await sql.getSingleValue("SELECT COUNT(*) FROM sync WHERE id > ?", [lastSyncedPush]);
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if (notPushedSyncs > 0) {
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log.info("There's " + notPushedSyncs + " outstanding pushes, skipping content check.");
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return;
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}
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const resp = await syncRequest(syncContext, 'GET', '/api/sync/check');
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// if (await getLastSyncedPull() < resp.max_sync_id) {
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// log.info("There are some outstanding pulls, skipping content check.");
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//
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// return;
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// }
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const localContentHash = await content_hash.getContentHash();
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if (resp.content_hash === localContentHash) {
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log.info("Content hash check PASSED with value: " + localContentHash);
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}
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else {
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await event_log.addEvent("Content hash check FAILED. Local is " + localContentHash + ", remote is " + resp.content_hash);
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}
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}
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async function syncRequest(syncContext, method, uri, body) {
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const fullUri = SYNC_SERVER + uri;
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try {
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const options = {
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method: method,
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uri: fullUri,
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jar: syncContext.cookieJar,
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json: true,
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body: body,
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timeout: SYNC_TIMEOUT
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};
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if (SYNC_PROXY && proxyToggle) {
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options.proxy = SYNC_PROXY;
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}
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return await rp(options);
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}
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catch (e) {
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throw new Error("Request to " + method + " " + fullUri + " failed, inner exception: " + e.stack);
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}
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}
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if (isSyncSetup) {
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log.info("Setting up sync to " + SYNC_SERVER + " with timeout " + SYNC_TIMEOUT);
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if (SYNC_PROXY) {
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log.info("Sync proxy: " + SYNC_PROXY);
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}
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setInterval(sync, 60000);
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// kickoff initial sync immediately
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setTimeout(sync, 1000);
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}
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else {
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log.info("Sync server not configured, sync timer not running.")
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}
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module.exports = {
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sync,
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isSyncSetup
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}; |