a21700a444
This is two fixes: 1. Ember CLI's proxy did not support 3xx redirects so a redirect was failing. 2. We were not passing query parameters to the `bootstrap.json` endpoint to correctly handle previewing themes (and other occasional options.)
308 lines
8.8 KiB
JavaScript
308 lines
8.8 KiB
JavaScript
"use strict";
|
|
|
|
const bent = require("bent");
|
|
const getJSON = bent("json");
|
|
const { encode } = require("html-entities");
|
|
const cleanBaseURL = require("clean-base-url");
|
|
const path = require("path");
|
|
const fs = require("fs");
|
|
|
|
// via https://stackoverflow.com/a/6248722/165668
|
|
function generateUID() {
|
|
let firstPart = (Math.random() * 46656) | 0; // eslint-disable-line no-bitwise
|
|
let secondPart = (Math.random() * 46656) | 0; // eslint-disable-line no-bitwise
|
|
firstPart = ("000" + firstPart.toString(36)).slice(-3);
|
|
secondPart = ("000" + secondPart.toString(36)).slice(-3);
|
|
return firstPart + secondPart;
|
|
}
|
|
|
|
const IGNORE_PATHS = [
|
|
/\/ember-cli-live-reload\.js$/,
|
|
/\/session\/[^\/]+\/become$/,
|
|
];
|
|
|
|
function htmlTag(buffer, bootstrap) {
|
|
let classList = "";
|
|
if (bootstrap.html_classes) {
|
|
classList = ` class="${bootstrap.html_classes}"`;
|
|
}
|
|
buffer.push(`<html lang="${bootstrap.html_lang}"${classList}>`);
|
|
}
|
|
|
|
function head(buffer, bootstrap) {
|
|
if (bootstrap.csrf_token) {
|
|
buffer.push(`<meta name="csrf-param" content="authenticity_token">`);
|
|
buffer.push(`<meta name="csrf-token" content="${bootstrap.csrf_token}">`);
|
|
}
|
|
if (bootstrap.theme_ids) {
|
|
buffer.push(
|
|
`<meta name="discourse_theme_ids" content="${bootstrap.theme_ids}">`
|
|
);
|
|
}
|
|
|
|
let setupData = "";
|
|
Object.keys(bootstrap.setup_data).forEach((sd) => {
|
|
let val = bootstrap.setup_data[sd];
|
|
if (val) {
|
|
if (Array.isArray(val)) {
|
|
val = JSON.stringify(val);
|
|
} else {
|
|
val = val.toString();
|
|
}
|
|
setupData += ` data-${sd.replace(/\_/g, "-")}="${encode(val)}"`;
|
|
}
|
|
});
|
|
buffer.push(`<meta id="data-discourse-setup"${setupData} />`);
|
|
|
|
(bootstrap.stylesheets || []).forEach((s) => {
|
|
let attrs = [];
|
|
if (s.media) {
|
|
attrs.push(`media="${s.media}"`);
|
|
}
|
|
if (s.target) {
|
|
attrs.push(`data-target="${s.target}"`);
|
|
}
|
|
if (s.theme_id) {
|
|
attrs.push(`data-theme-id="${s.theme_id}"`);
|
|
}
|
|
let link = `<link rel="stylesheet" type="text/css" href="${
|
|
s.href
|
|
}" ${attrs.join(" ")}></script>\n`;
|
|
buffer.push(link);
|
|
});
|
|
|
|
bootstrap.plugin_js.forEach((src) =>
|
|
buffer.push(`<script src="${src}"></script>`)
|
|
);
|
|
|
|
buffer.push(bootstrap.theme_html.translations);
|
|
buffer.push(bootstrap.theme_html.js);
|
|
buffer.push(bootstrap.theme_html.head_tag);
|
|
buffer.push(bootstrap.html.before_head_close);
|
|
}
|
|
|
|
function localeScript(buffer, bootstrap) {
|
|
buffer.push(`<script src="${bootstrap.locale_script}"></script>`);
|
|
}
|
|
|
|
function beforeScriptLoad(buffer, bootstrap) {
|
|
buffer.push(bootstrap.html.before_script_load);
|
|
localeScript(buffer, bootstrap);
|
|
(bootstrap.extra_locales || []).forEach((l) =>
|
|
buffer.push(`<script src="${l}"></script>`)
|
|
);
|
|
}
|
|
|
|
function body(buffer, bootstrap) {
|
|
buffer.push(bootstrap.theme_html.header);
|
|
buffer.push(bootstrap.html.header);
|
|
}
|
|
|
|
function bodyFooter(buffer, bootstrap, headers) {
|
|
buffer.push(bootstrap.theme_html.body_tag);
|
|
buffer.push(bootstrap.html.before_body_close);
|
|
|
|
let v = generateUID();
|
|
buffer.push(`
|
|
<script async type="text/javascript" id="mini-profiler" src="/mini-profiler-resources/includes.js?v=${v}" data-css-url="/mini-profiler-resources/includes.css?v=${v}" data-version="${v}" data-path="/mini-profiler-resources/" data-horizontal-position="left" data-vertical-position="top" data-trivial="false" data-children="false" data-max-traces="20" data-controls="false" data-total-sql-count="false" data-authorized="true" data-toggle-shortcut="alt+p" data-start-hidden="false" data-collapse-results="true" data-html-container="body" data-hidden-custom-fields="x" data-ids="${headers["x-miniprofiler-ids"]}"></script>
|
|
`);
|
|
}
|
|
|
|
function hiddenLoginForm(buffer, bootstrap) {
|
|
if (!bootstrap.preloaded.currentUser) {
|
|
buffer.push(`
|
|
<form id='hidden-login-form' method="post" action="${bootstrap.login_path}" style="display: none;">
|
|
<input name="username" type="text" id="signin_username">
|
|
<input name="password" type="password" id="signin_password">
|
|
<input name="redirect" type="hidden">
|
|
<input type="submit" id="signin-button">
|
|
</form>
|
|
`);
|
|
}
|
|
}
|
|
|
|
function preloaded(buffer, bootstrap) {
|
|
buffer.push(
|
|
`<div class="hidden" id="data-preloaded" data-preloaded="${encode(
|
|
JSON.stringify(bootstrap.preloaded)
|
|
)}"></div>`
|
|
);
|
|
}
|
|
|
|
const BUILDERS = {
|
|
"html-tag": htmlTag,
|
|
"before-script-load": beforeScriptLoad,
|
|
head: head,
|
|
body: body,
|
|
"hidden-login-form": hiddenLoginForm,
|
|
preloaded: preloaded,
|
|
"body-footer": bodyFooter,
|
|
"locale-script": localeScript,
|
|
};
|
|
|
|
function replaceIn(bootstrap, template, id, headers) {
|
|
let buffer = [];
|
|
BUILDERS[id](buffer, bootstrap, headers);
|
|
let contents = buffer.filter((b) => b && b.length > 0).join("\n");
|
|
|
|
return template.replace(`<bootstrap-content key="${id}">`, contents);
|
|
}
|
|
|
|
function applyBootstrap(bootstrap, template, headers) {
|
|
Object.keys(BUILDERS).forEach((id) => {
|
|
template = replaceIn(bootstrap, template, id, headers);
|
|
});
|
|
return template;
|
|
}
|
|
|
|
function buildFromBootstrap(assetPath, proxy, baseURL, req, headers) {
|
|
// eslint-disable-next-line
|
|
return new Promise((resolve, reject) => {
|
|
fs.readFile(
|
|
path.join(process.cwd(), "dist", assetPath),
|
|
"utf8",
|
|
(err, template) => {
|
|
let url = `${proxy}${baseURL}bootstrap.json`;
|
|
let queryLoc = req.url.indexOf("?");
|
|
if (queryLoc !== -1) {
|
|
url += req.url.substr(queryLoc);
|
|
}
|
|
|
|
getJSON(url, null, req.headers)
|
|
.then((json) => {
|
|
resolve(applyBootstrap(json.bootstrap, template, headers));
|
|
})
|
|
.catch((e) => {
|
|
reject(
|
|
`Could not get ${proxy}${baseURL}bootstrap.json\n\n${e.toString()}`
|
|
);
|
|
});
|
|
}
|
|
);
|
|
});
|
|
}
|
|
|
|
async function handleRequest(assetPath, proxy, baseURL, req, res) {
|
|
if (assetPath.endsWith("tests/index.html")) {
|
|
return;
|
|
}
|
|
|
|
if (assetPath.endsWith("index.html")) {
|
|
try {
|
|
// Avoid Ember CLI's proxy if doing a GET, since Discourse depends on some non-XHR
|
|
// GET requests to work.
|
|
if (req.method === "GET") {
|
|
let url = `${proxy}${req.path}`;
|
|
|
|
let queryLoc = req.url.indexOf("?");
|
|
if (queryLoc !== -1) {
|
|
url += req.url.substr(queryLoc);
|
|
}
|
|
|
|
req.headers["X-Discourse-Ember-CLI"] = "true";
|
|
let get = bent("GET", [200, 301, 302, 303, 307, 308, 404, 403, 500]);
|
|
let response = await get(url, null, req.headers);
|
|
res.set(response.headers);
|
|
if (response.headers["x-discourse-bootstrap-required"] === "true") {
|
|
req.headers["X-Discourse-Asset-Path"] = req.path;
|
|
let json = await buildFromBootstrap(
|
|
assetPath,
|
|
proxy,
|
|
baseURL,
|
|
req,
|
|
response.headers
|
|
);
|
|
return res.send(json);
|
|
}
|
|
res.status(response.status);
|
|
res.send(await response.text());
|
|
}
|
|
} catch (e) {
|
|
res.send(`
|
|
<html>
|
|
<h1>Discourse Build Error</h1>
|
|
<pre><code>${e.toString()}</code></pre>
|
|
</html>
|
|
`);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = {
|
|
name: require("./package").name,
|
|
|
|
isDevelopingAddon() {
|
|
return true;
|
|
},
|
|
|
|
serverMiddleware(config) {
|
|
let proxy = config.options.proxy;
|
|
let app = config.app;
|
|
let options = config.options;
|
|
|
|
if (!proxy) {
|
|
// eslint-disable-next-line
|
|
console.error(`
|
|
Discourse can't be run without a \`--proxy\` setting, because it needs a Rails application
|
|
to serve API requests. For example:
|
|
|
|
yarn run ember serve --proxy "http://localhost:3000"\n`);
|
|
throw "--proxy argument is required";
|
|
}
|
|
|
|
let watcher = options.watcher;
|
|
|
|
let baseURL =
|
|
options.rootURL === ""
|
|
? "/"
|
|
: cleanBaseURL(options.rootURL || options.baseURL);
|
|
|
|
app.use(async (req, res, next) => {
|
|
try {
|
|
const results = await watcher;
|
|
if (this.shouldHandleRequest(req, options)) {
|
|
let assetPath = req.path.slice(baseURL.length);
|
|
let isFile = false;
|
|
|
|
try {
|
|
isFile = fs
|
|
.statSync(path.join(results.directory, assetPath))
|
|
.isFile();
|
|
} catch (err) {}
|
|
|
|
if (!isFile) {
|
|
assetPath = "index.html";
|
|
}
|
|
await handleRequest(assetPath, proxy, baseURL, req, res);
|
|
}
|
|
} finally {
|
|
if (!res.headersSent) {
|
|
return next();
|
|
}
|
|
}
|
|
});
|
|
},
|
|
|
|
shouldHandleRequest(req) {
|
|
let acceptHeaders = req.headers.accept || [];
|
|
let hasHTMLHeader = acceptHeaders.indexOf("text/html") !== -1;
|
|
if (req.method !== "GET") {
|
|
return false;
|
|
}
|
|
if (!hasHTMLHeader) {
|
|
return false;
|
|
}
|
|
|
|
if (IGNORE_PATHS.some((ip) => ip.test(req.path))) {
|
|
return false;
|
|
}
|
|
|
|
if (req.path.endsWith(".json")) {
|
|
return false;
|
|
}
|
|
|
|
let baseURLRegexp = new RegExp(`^/`);
|
|
return baseURLRegexp.test(req.path);
|
|
},
|
|
};
|