Initial release v1.0.0 — Nextcloud Collabora Node-RED sidecar

2026-08-22 14:56:38 +02:00
commit 20a8bec404
37 changed files with 2035 additions and 0 deletions
@@ -0,0 +1,69 @@
+'use strict';
+
+const { getConfig, setError, setSuccess, clearStatus } = require('../lib/utils');
+const { getCapabilities, getDiscovery } = require('../lib/collabora');
+const { requestBuffer } = require('../lib/http-client');
+
+module.exports = function (RED) {
+    function CollaboraWopiNode(config) {
+        RED.nodes.createNode(this, config);
+        const node = this;
+        node.configNode = RED.nodes.getNode(config.config);
+        node.operation = config.operation || 'capabilities';
+
+        node.on('input', async (msg, send, done) => {
+            send = send || function () { node.send.apply(node, arguments); };
+            done = done || function (err) { if (err) { node.error(err, msg); } };
+            clearStatus(node);
+
+            try {
+                const cfg = getConfig(node);
+                const op = msg.operation || node.operation;
+
+                if (op === 'capabilities') {
+                    msg.payload = await getCapabilities(cfg);
+                } else if (op === 'discovery') {
+                    msg.payload = await getDiscovery(cfg);
+                } else if (op === 'buildEditor') {
+                    const publicBase = cfg.collaboraPublicUrl || cfg.collaboraUrl;
+                    const wopiSrc = encodeURIComponent(msg.wopiSrc || msg.WOPISrc || '');
+                    const token = encodeURIComponent(msg.token || msg.access_token || '');
+                    if (!wopiSrc || !token) {
+                        throw new Error('buildEditor kräver msg.wopiSrc och msg.token');
+                    }
+                    msg.editorUrl = `${publicBase}/browser/dist/cool.html?WOPISrc=${wopiSrc}&access_token=${token}`;
+                    msg.payload = { editorUrl: msg.editorUrl };
+                } else if (op === 'checkFileInfo' || op === 'getFile') {
+                    const wopiUrl = msg.wopiUrl;
+                    if (!wopiUrl) {
+                        throw new Error(`${op} kräver msg.wopiUrl (felsökning)`);
+                    }
+                    const token = msg.token || msg.access_token || '';
+                    const res = await requestBuffer({
+                        url: wopiUrl,
+                        method: 'GET',
+                        headers: {
+                            Authorization: `Bearer ${token}`,
+                            'X-WOPI-Override': op === 'getFile' ? 'GET' : undefined
+                        },
+                        rejectUnauthorized: cfg.verifyTls !== false
+                    });
+                    msg.statusCode = res.statusCode;
+                    msg.payload = op === 'getFile' ? res.body : JSON.parse(res.body.toString('utf8'));
+                } else {
+                    throw new Error(`Okänd wopi-operation: ${op}`);
+                }
+
+                setSuccess(node, msg, op);
+                send(msg);
+                done();
+            } catch (err) {
+                setError(node, msg, err);
+                send(msg);
+                done(err);
+            }
+        });
+    }
+
+    RED.nodes.registerType('collabora-wopi', CollaboraWopiNode);
+};