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node-red/red/api/util.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var log = require("../util").log; // TODO: separate module
var i18n = require("../util").i18n; // TODO: separate module
module.exports = {
errorHandler: function(err,req,res,next) {
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console.error(err.stack);
if (err.message === "request entity too large") {
log.error(err);
} else {
log.error(err.stack);
}
log.audit({event: "api.error",error:err.code||"unexpected_error",message:err.toString()},req);
res.status(400).json({error:"unexpected_error", message:err.toString()});
},
determineLangFromHeaders: function(acceptedLanguages){
var lang = i18n.defaultLang;
acceptedLanguages = acceptedLanguages || [];
if (acceptedLanguages.length >= 1) {
lang = acceptedLanguages[0];
}
return lang;
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},
rejectHandler: function(req,res,err) {
res.status(err.status||500);
if (err.code || err.message) {
res.json({
code: err.code||"unexpected_error",
message: err.message
})
}
res.end();
}
}