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// Load modules
var Http = require('http');
var NodeUtil = require('util');
var Hoek = require('hoek');
// Declare internals
var internals = {};
exports = module.exports = internals.Boom = function (/* (new Error) or (code, message) */) {
var self = this;
Hoek.assert(this.constructor === internals.Boom, 'Error must be instantiated using new');
Error.call(this);
this.isBoom = true;
this.response = {
code: 0,
payload: {},
headers: {}
// type: 'content-type'
};
if (arguments[0] instanceof Error) {
// Error
var error = arguments[0];
this.data = error;
this.response.code = error.code || 500;
if (error.message) {
this.message = error.message;
}
}
else {
// code, message
var code = arguments[0];
var message = arguments[1];
Hoek.assert(!isNaN(parseFloat(code)) && isFinite(code) && code >= 400, 'First argument must be a number (400+)');
this.response.code = code;
if (message) {
this.message = message;
}
}
// Response format
this.reformat();
return this;
};
NodeUtil.inherits(internals.Boom, Error);
internals.Boom.prototype.reformat = function () {
this.response.payload.code = this.response.code;
this.response.payload.error = Http.STATUS_CODES[this.response.code] || 'Unknown';
if (this.message) {
this.response.payload.message = Hoek.escapeHtml(this.message); // Prevent XSS from error message
}
};
// Utilities
internals.Boom.badRequest = function (message) {
return new internals.Boom(400, message);
};
internals.Boom.unauthorized = function (message, scheme, attributes) { // Or function (message, wwwAuthenticate[])
var err = new internals.Boom(401, message);
if (!scheme) {
return err;
}
var wwwAuthenticate = '';
if (typeof scheme === 'string') {
// function (message, scheme, attributes)
wwwAuthenticate = scheme;
if (attributes) {
var names = Object.keys(attributes);
for (var i = 0, il = names.length; i < il; ++i) {
if (i) {
wwwAuthenticate += ',';
}
var value = attributes[names[i]];
if (value === null ||
value === undefined) { // Value can be zero
value = '';
}
wwwAuthenticate += ' ' + names[i] + '="' + Hoek.escapeHeaderAttribute(value.toString()) + '"';
}
}
if (message) {
if (attributes) {
wwwAuthenticate += ',';
}
wwwAuthenticate += ' error="' + Hoek.escapeHeaderAttribute(message) + '"';
}
else {
err.isMissing = true;
}
}
else {
// function (message, wwwAuthenticate[])
var wwwArray = scheme;
for (var i = 0, il = wwwArray.length; i < il; ++i) {
if (i) {
wwwAuthenticate += ', ';
}
wwwAuthenticate += wwwArray[i];
}
}
err.response.headers['WWW-Authenticate'] = wwwAuthenticate;
return err;
};
internals.Boom.clientTimeout = function (message) {
return new internals.Boom(408, message);
};
internals.Boom.serverTimeout = function (message) {
return new internals.Boom(503, message);
};
internals.Boom.forbidden = function (message) {
return new internals.Boom(403, message);
};
internals.Boom.notFound = function (message) {
return new internals.Boom(404, message);
};
internals.Boom.internal = function (message, data) {
var err = new internals.Boom(500, message);
if (data && data.stack) {
err.trace = data.stack.split('\n');
err.outterTrace = Hoek.displayStack(1);
}
else {
err.trace = Hoek.displayStack(1);
}
err.data = data;
err.response.payload.message = 'An internal server error occurred'; // Hide actual error from user
return err;
};
internals.Boom.passThrough = function (code, payload, contentType, headers) {
var err = new internals.Boom(500, 'Pass-through'); // 500 code is only used to initialize
err.data = {
code: code,
payload: payload,
type: contentType
};
err.response.code = code;
err.response.type = contentType;
err.response.headers = headers;
err.response.payload = payload;
return err;
};
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