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var log4js = require('log4js');
var apiLogger = log4js.getLogger("API");
var clientLogger = log4js.getLogger("client");
var formidable = require('formidable');
var apiHandler = require('../../handler/APIHandler');
//This is for making an api call, collecting all post information and passing it to the apiHandler
var apiCaller = function(req, res, fields) {
res.header("Content-Type", "application/json; charset=utf-8");
apiLogger.info("REQUEST, v"+ req.params.version + ":" + req.params.func + ", " + JSON.stringify(fields));
//wrap the send function so we can log the response
//note: res._send seems to be already in use, so better use a "unique" name
res._____send = res.send;
res.send = function (response) {
response = JSON.stringify(response);
apiLogger.info("RESPONSE, " + req.params.func + ", " + response);
//is this a jsonp call, if yes, add the function call
if(req.query.jsonp)
response = req.query.jsonp + "(" + response + ")";
res._____send(response);
}
//call the api handler
apiHandler.handle(req.params.version, req.params.func, fields, req, res);
}
exports.apiCaller = apiCaller;
exports.expressCreateServer = function (hook_name, args, cb) {
//This is a api GET call, collect all post informations and pass it to the apiHandler
args.app.get('/api/:version/:func', function (req, res) {
apiCaller(req, res, req.query)
});
//This is a api POST call, collect all post informations and pass it to the apiHandler
args.app.post('/api/:version/:func', function(req, res) {
new formidable.IncomingForm().parse(req, function (err, fields, files) {
apiCaller(req, res, fields)
});
});
//The Etherpad client side sends information about how a disconnect happened
args.app.post('/ep/pad/connection-diagnostic-info', function(req, res) {
new formidable.IncomingForm().parse(req, function(err, fields, files) {
clientLogger.info("DIAGNOSTIC-INFO: " + fields.diagnosticInfo);
res.end("OK");
});
});
//The Etherpad client side sends information about client side javscript errors
args.app.post('/jserror', function(req, res) {
new formidable.IncomingForm().parse(req, function(err, fields, files) {
try {
var data = JSON.parse(fields.errorInfo)
}catch(e){
return res.end()
}
clientLogger.warn(data.msg+' --', data);
res.end("OK");
});
});
//Provide a possibility to query the latest available API version
args.app.get('/api', function (req, res) {
res.json({"currentVersion" : apiHandler.latestApiVersion});
});
}
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