70 lines
3.0 KiB
JavaScript
70 lines
3.0 KiB
JavaScript
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'use strict';
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const { getConfig, setError, setSuccess, clearStatus } = require('../lib/utils');
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const { getCapabilities, getDiscovery } = require('../lib/collabora');
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const { requestBuffer } = require('../lib/http-client');
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module.exports = function (RED) {
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function CollaboraWopiNode(config) {
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RED.nodes.createNode(this, config);
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const node = this;
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node.configNode = RED.nodes.getNode(config.config);
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node.operation = config.operation || 'capabilities';
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node.on('input', async (msg, send, done) => {
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send = send || function () { node.send.apply(node, arguments); };
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done = done || function (err) { if (err) { node.error(err, msg); } };
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clearStatus(node);
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try {
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const cfg = getConfig(node);
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const op = msg.operation || node.operation;
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if (op === 'capabilities') {
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msg.payload = await getCapabilities(cfg);
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} else if (op === 'discovery') {
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msg.payload = await getDiscovery(cfg);
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} else if (op === 'buildEditor') {
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const publicBase = cfg.collaboraPublicUrl || cfg.collaboraUrl;
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const wopiSrc = encodeURIComponent(msg.wopiSrc || msg.WOPISrc || '');
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const token = encodeURIComponent(msg.token || msg.access_token || '');
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if (!wopiSrc || !token) {
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throw new Error('buildEditor kräver msg.wopiSrc och msg.token');
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}
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msg.editorUrl = `${publicBase}/browser/dist/cool.html?WOPISrc=${wopiSrc}&access_token=${token}`;
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msg.payload = { editorUrl: msg.editorUrl };
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} else if (op === 'checkFileInfo' || op === 'getFile') {
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const wopiUrl = msg.wopiUrl;
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if (!wopiUrl) {
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throw new Error(`${op} kräver msg.wopiUrl (felsökning)`);
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}
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const token = msg.token || msg.access_token || '';
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const res = await requestBuffer({
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url: wopiUrl,
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method: 'GET',
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headers: {
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Authorization: `Bearer ${token}`,
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'X-WOPI-Override': op === 'getFile' ? 'GET' : undefined
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},
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rejectUnauthorized: cfg.verifyTls !== false
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});
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msg.statusCode = res.statusCode;
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msg.payload = op === 'getFile' ? res.body : JSON.parse(res.body.toString('utf8'));
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} else {
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throw new Error(`Okänd wopi-operation: ${op}`);
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}
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setSuccess(node, msg, op);
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send(msg);
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done();
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} catch (err) {
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setError(node, msg, err);
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send(msg);
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done(err);
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}
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});
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}
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RED.nodes.registerType('collabora-wopi', CollaboraWopiNode);
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};
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