add debug for headers issue (issue #9 on root git)
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@ -16,28 +16,70 @@ HttpMiddleware.create = function(gl, defaultApp) {
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explainError(gl, err, "http_01_middleware_socket", hostname);
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});
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if (skipIfNeedBe(req, res, next, defaultApp, hostname)) {
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// Skip unless the path begins with /.well-known/acme-challenge/
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if (!hostname || 0 !== req.url.indexOf(challengePrefix)) {
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skipChallenge(req, res, next, defaultApp);
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return;
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}
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// HEADERS SENT DEBUG NOTE #2
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// at this point, it's most likely Let's Encrypt server
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// (or greenlock itself) performing the verification process
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// Hmmm... perhaps we should change the greenlock prefix to test
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// Anyway, we just got fast the first place where we could
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// be sending headers.
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var token = req.url.slice(challengePrefix.length);
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var done = false;
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var countA = 0;
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var countB = 0;
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gl.getAcmeHttp01ChallengeResponse({ type: "http-01", servername: hostname, token: token })
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.catch(function(err) {
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countA += 1;
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// HEADERS SENT DEBUG NOTE #3
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// This is the second possible time we could be sending headers
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respondToError(gl, res, err, "http_01_middleware_challenge_response", hostname);
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done = true;
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return { __done: true };
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})
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.then(function(result) {
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countB += 1;
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if (result && result.__done) {
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return;
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}
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if (done) {
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console.error("Sanity check fail: `done` is in a quantum state of both true and false... huh?");
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return;
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}
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// HEADERS SENT DEBUG NOTE #4b
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// This is the third/fourth possible time send headers
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return respondWithGrace(res, result, hostname, token);
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})
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.catch(function(err) {
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// HEADERS SENT DEBUG NOTE #5
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// I really don't see how this can be possible.
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// Every case appears to be accounted for
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console.error();
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console.error("[warning] Developer Error:" + (err.code || err.context || ""), countA, countB);
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console.error(err.stack);
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console.error();
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console.error(
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"This is probably the error that happens routinely on http2 connections, but we're not sure why."
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);
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console.error("To track the status or help contribute,");
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console.error("visit: https://git.rootprojects.org/root/greenlock-express.js/issues/9");
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console.error();
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try {
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res.end("Internal Server Error [1003]: See logs for details.");
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} catch (e) {
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// ignore
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}
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});
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};
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};
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function skipIfNeedBe(req, res, next, defaultApp, hostname) {
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if (!hostname || 0 !== req.url.indexOf(challengePrefix)) {
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function skipChallenge(req, res, next, defaultApp) {
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if ("function" === typeof defaultApp) {
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defaultApp(req, res, next);
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} else if ("function" === typeof next) {
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@ -46,11 +88,13 @@ function skipIfNeedBe(req, res, next, defaultApp, hostname) {
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res.statusCode = 500;
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res.end("[500] Developer Error: app.use('/', greenlock.httpMiddleware()) or greenlock.httpMiddleware(app)");
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}
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}
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}
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function respondWithGrace(res, result, hostname, token) {
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var keyAuth = result && result.keyAuthorization;
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// HEADERS SENT DEBUG NOTE #4b
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// This is (still) the third/fourth possible time we could be sending headers
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if (keyAuth && "string" === typeof keyAuth) {
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res.setHeader("Content-Type", "text/plain; charset=utf-8");
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res.end(keyAuth);
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@ -69,14 +113,18 @@ function explainError(gl, err, ctx, hostname) {
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if (!err.context) {
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err.context = ctx;
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}
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// leaving this in the build for now because it will help with existing error reports
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console.error("[warning] network connection error:", (err.context || "") + " " + err.message);
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(gl.notify || gl._notify)("error", err);
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return err;
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}
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function respondToError(gl, res, err, ctx, hostname) {
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// HEADERS SENT DEBUG NOTE #3b
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// This is (still) the second possible time we could be sending headers
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err = explainError(gl, err, ctx, hostname);
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res.statusCode = 500;
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res.end("Internal Server Error: See logs for details.");
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res.end("Internal Server Error [1004]: See logs for details.");
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}
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HttpMiddleware.getHostname = function(req) {
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@ -1,6 +1,6 @@
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{
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"name": "@root/greenlock-express",
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"version": "3.0.15",
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"version": "3.0.16",
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"description": "Free SSL and managed or automatic HTTPS for node.js with Express, Koa, Connect, Hapi, and all other middleware systems.",
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"main": "greenlock-express.js",
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"homepage": "https://greenlock.domains",
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@ -20,12 +20,20 @@ Servers.create = function(greenlock) {
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servers.httpServer = function(defaultApp) {
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if (_httpServer) {
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if (defaultApp) {
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console.error("error: can only call httpServer(app) once");
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process.exit(1);
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}
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return _httpServer;
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}
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if (!defaultApp) {
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defaultApp = require("redirect-https")();
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}
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// HEADERS SENT DEBUG NOTE #1
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// As seen above, it's only possible to create the server once.
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// It always gets the http middleware, it always gets a single default app
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// Therefore it seems impossible to be an http.on('connection', app) problem
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_httpServer = http.createServer(HttpMiddleware.create(greenlock, defaultApp));
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_httpServer.once("error", startError);
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