91 lines
5.0 KiB
JavaScript
91 lines
5.0 KiB
JavaScript
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module.exports = function(RED) {
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var https = require('https');
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var http = require('http');
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var url = require('url');
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var OPERATIONS = {
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'webhook:list': { method:'GET', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks', query:['uri'] },
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'webhook:get': { method:'GET', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks/{id}' },
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'webhook:create': { method:'POST', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks',
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body:['httpMethod','uri','event','eventFilter','userIdFilter','headers','authMethod','authData','tokenNeeded'] },
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'webhook:update': { method:'POST', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks/{id}',
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body:['httpMethod','uri','event','eventFilter','userIdFilter','headers','authMethod','authData','tokenNeeded'] },
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'webhook:delete': { method:'DELETE', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks/{id}' },
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'webhook:deleteByApp':{ method:'DELETE', path:'/ocs/v2.php/apps/webhook_listeners/api/v1/webhooks/byappid/{appid}' }
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};
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function WebhooksNode(config) {
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RED.nodes.createNode(this, config);
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var node = this;
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this.configNode = RED.nodes.getNode(config.nextcloud);
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this.operation = config.operation || 'webhook:list';
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this.webhookId = config.webhookId; this.appId = config.appId;
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this.bodyHttpMethod = config.bodyHttpMethod; this.bodyUri = config.bodyUri;
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this.bodyEvent = config.bodyEvent; this.bodyEventFilter = config.bodyEventFilter;
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this.bodyUserIdFilter = config.bodyUserIdFilter; this.bodyHeaders = config.bodyHeaders;
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this.bodyAuthMethod = config.bodyAuthMethod; this.bodyAuthData = config.bodyAuthData;
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this.bodyTokenNeeded = config.bodyTokenNeeded;
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if (!this.configNode) { node.error("No Nextcloud configuration node selected"); return; }
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node.on('input', function(msg) {
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var op = OPERATIONS[msg.operation || node.operation];
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if (!op) { node.error("Unknown operation: " + (msg.operation || node.operation), msg); return; }
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var baseUrl = (node.configNode.baseUrl || '').replace(/\/+$/, '');
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var username = node.configNode.credentials.username;
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var password = node.configNode.credentials.password;
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var path = op.path
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.replace('{id}', msg.webhookId || node.webhookId || '')
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.replace('{appid}', msg.appId || node.appId || '');
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var queryParts = [];
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if (op.query) {
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op.query.forEach(function(q) {
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var v = msg[q] !== undefined ? msg[q] : getField(node, q);
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if (v !== undefined && v !== '') queryParts.push(encodeURIComponent(q) + '=' + encodeURIComponent(v));
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});
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}
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var fullUrl = baseUrl + path + (queryParts.length ? '?' + queryParts.join('&') : '');
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var parsedUrl = url.parse(fullUrl);
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var headers = { 'OCS-APIRequest':'true','Accept':'application/json',
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'Authorization':'Basic '+Buffer.from(username+':'+password).toString('base64') };
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var bodyObj = {};
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if (op.body) {
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op.body.forEach(function(b) {
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var v = msg[b] !== undefined ? msg[b] : getField(node, b);
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if (v !== undefined && v !== '') bodyObj[b] = v;
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});
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}
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if (msg.eventFilter) bodyObj.eventFilter = msg.eventFilter;
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if (msg.headers && typeof msg.headers === 'object') bodyObj.headers = msg.headers;
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if (msg.authData) bodyObj.authData = msg.authData;
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if (msg.tokenNeeded) bodyObj.tokenNeeded = msg.tokenNeeded;
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var bodyStr = null;
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if (Object.keys(bodyObj).length > 0) { headers['Content-Type']='application/json'; bodyStr=JSON.stringify(bodyObj); }
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var opts = { hostname:parsedUrl.hostname, port:parsedUrl.port||(parsedUrl.protocol==='https:'?443:80),
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path:parsedUrl.path, method:op.method, headers:headers, rejectUnauthorized:false };
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node.log(op.method+' '+fullUrl);
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var transport = parsedUrl.protocol==='https:'?https:http;
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var req = transport.request(opts, function(res) {
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var body=''; res.on('data',function(c){body+=c;});
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res.on('end',function(){ msg.statusCode=res.statusCode; msg.operation=msg.operation||node.operation;
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try{msg.payload=JSON.parse(body);}catch(e){msg.payload=body;} node.send(msg); });
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});
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req.on('error',function(err){msg.error=err.message;node.error(op.method+' '+fullUrl+' — '+err.message,msg);});
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if(bodyStr) req.write(bodyStr);
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req.end();
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});
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}
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function getField(node,name) {
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var m={ 'httpMethod':node.bodyHttpMethod,'uri':node.bodyUri,'event':node.bodyEvent,'uri':node.bodyUri };
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return m[name];
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}
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RED.nodes.registerType("webhooks", WebhooksNode);
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};
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