kopia lustrzana https://github.com/c9/core
165 wiersze
4.8 KiB
JavaScript
165 wiersze
4.8 KiB
JavaScript
"use strict";
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var errors = require("http-error");
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plugin.consumes = [
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"connect",
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"connect.static",
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"connect.render",
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"connect.render.ejs"
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];
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plugin.provides = [
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"connect.error"
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];
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module.exports = plugin;
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var errorPages = {
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404: 1,
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401: 1,
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500: 1,
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503: 1
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};
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var statusCodes = {
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400: "Bad Request",
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401: "Unauthorized",
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402: "Payment Required",
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403: "Forbidden",
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404: "Not Found",
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405: "Method Not Allowed",
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406: "Not Acceptable",
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407: "Proxy Authentication Required",
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408: "Request Timeout",
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409: "Conflict",
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410: "Gone",
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411: "Length Required",
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412: "Precondition Failed",
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413: "Request Entity Too Large",
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414: "Request-URI Too Long",
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415: "Unsupported Media Type",
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416: "Requested Range Not Satisfiable",
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417: "Expectation Failed",
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418: "I'm a Teapot", // (RFC 2324) http://tools.ietf.org/html/rfc2324
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420: "Enhance Your Calm", // Returned by the Twitter Search and Trends API when the client is being rate limited
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422: "Unprocessable Entity", // (WebDAV) (RFC 4918)
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423: "Locked", // (WebDAV) (RFC 4918)
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424: "Failed Dependency", // (WebDAV) (RFC 4918)
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425: "Unordered Collection", // (RFC 3648)
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426: "Upgrade Required", // (RFC 2817)
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428: "Precondition Required",
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429: "Too Many Requests", // Used for rate limiting
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431: "Request Header Fields Too Large",
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444: "No Response", // An nginx HTTP server extension. The server returns no information to the client and closes the connection (useful as a deterrent for malware).
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449: "Retry With", // A Microsoft extension. The request should be retried after performing the appropriate action.
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450: "Blocked By Windows Parental Controls",
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499: "Client Closed Request",
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500: "Internal Server Error",
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501: "Not Implemented",
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502: "Bad Gateway",
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503: "Service Unavailable",
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504: "Gateway Timeout",
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505: "HTTP Version Not Supported",
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506: "Variant Also Negotiates",
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507: "Insufficient Storage",
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508: "Loop Detected",
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509: "Bandwidth Limit Exceeded",
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510: "Not Extended",
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511: "Network Authentication Required"
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};
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var NICE_USER_ERROR_MSG = "Something went wrong. Please retry in a few minutes and contact support if it continues to occur";
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function plugin(options, imports, register) {
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var connect = imports.connect;
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var showStackTrace = false;
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var frontdoor = require("frontdoor");
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var statics = imports["connect.static"];
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function isDev(mode) {
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return /^(onlinedev|devel)$/.test(mode);
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}
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// serve index.html
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statics.addStatics([{
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path: __dirname + "/www",
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mount: "/error_handler"
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}]);
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// make sure res.json is available
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connect.useStart(frontdoor.middleware.jsonWriter());
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function sanitizeErrorCode(code) {
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code = parseInt(code, 10);
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if (isNaN(code)) return 500;
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if (code < 400) return 500;
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return code;
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}
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connect.useError(function(err, req, res, next) {
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if (typeof err == "string")
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err = new errors.InternalServerError(err);
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var statusCode = sanitizeErrorCode(err.code || err.status || res.statusCode);
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var stack;
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if (isDev(options.mode))
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stack = err.stack || err.message || err.toString();
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var accept = req.headers.accept || '';
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if (/json/.test(accept)) {
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var error = {
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code: statusCode,
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hostname: options.hostname,
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scope: options.scope,
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stack: stack
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};
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var allowedErrorKeys = [
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"message", "projectState", "premium", "retryIn", "progress",
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"oldHost", "blocked", "className", "errors"
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];
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allowedErrorKeys.forEach(function(key) {
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if (err.hasOwnProperty(key))
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error[key] = err[key];
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});
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try {
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JSON.stringify(error);
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}
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catch (e) {
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console.error("Cannot send error as JSON: ", error);
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error.message = NICE_USER_ERROR_MSG;
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error.scope = null;
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}
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return res.json({
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error: error
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}, null, statusCode);
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}
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var path = errorPages[statusCode] ? __dirname + "/views/error-" + statusCode + ".html.ejs" : __dirname + "/views/error.html.ejs";
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res.setHeader('Content-Type', 'text/html; charset=utf-8');
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res.render(path, {
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title: statusCodes[statusCode] || NICE_USER_ERROR_MSG,
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scope: options.scope || "",
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showStackTrace: showStackTrace,
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stack: stack,
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statusCode: statusCode,
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error: err.toString()
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}, next);
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});
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register(null, {
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"connect.error": {}
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});
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}
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