fix: support for X-Forwarded-Host http header (#733)

* fix: fix support for overriding hostname by setting X-Forwarded-Host http header

Signed-off-by: Manuel Roth <manuelroth@hotmail.ch>

* fix: improve getUrlObject

Signed-off-by: Manuel Roth <manuelroth@hotmail.ch>

* Add documentation for getUrlObject function

Co-authored-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

* Simplify getPublicUrl function

Co-authored-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

* Remove variable

Co-authored-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

* Use urlObject directly

Co-authored-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

* fix: small fix

Signed-off-by: Manuel Roth <manuelroth@hotmail.ch>

---------

Signed-off-by: Manuel Roth <manuelroth@hotmail.ch>
Co-authored-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>
This commit is contained in:
Manuel Roth 2023-02-01 02:35:16 +01:00 committed by GitHub
parent 00a536f9fb
commit ea186d34df
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@ -6,19 +6,35 @@ import fs from 'node:fs';
import clone from 'clone';
import glyphCompose from '@mapbox/glyph-pbf-composite';
export const getPublicUrl = (publicUrl, req) =>
publicUrl || `${req.protocol}://${req.headers.host}/`;
/**
* Generate new URL object
* @params {object} req - Express request
* @returns {URL} object
**/
const getUrlObject = (req) => {
const urlObject = new URL(`${req.protocol}://${req.headers.host}/`);
// support overriding hostname by sending X-Forwarded-Host http header
urlObject.hostname = req.hostname;
return urlObject;
};
export const getPublicUrl = (publicUrl, req) => {
if (publicUrl) {
return publicUrl;
}
return getUrlObject(req).toString();
};
export const getTileUrls = (req, domains, path, format, publicUrl, aliases) => {
const urlObject = getUrlObject(req);
if (domains) {
if (domains.constructor === String && domains.length > 0) {
domains = domains.split(',');
}
const host = req.headers.host;
const hostParts = host.split('.');
const hostParts = urlObject.host.split('.');
const relativeSubdomainsUsable =
hostParts.length > 1 &&
!/^([0-9]{1,3}\.){3}[0-9]{1,3}(\:[0-9]+)?$/.test(host);
!/^([0-9]{1,3}\.){3}[0-9]{1,3}(\:[0-9]+)?$/.test(urlObject.host);
const newDomains = [];
for (const domain of domains) {
if (domain.indexOf('*') !== -1) {
@ -34,7 +50,7 @@ export const getTileUrls = (req, domains, path, format, publicUrl, aliases) => {
domains = newDomains;
}
if (!domains || domains.length == 0) {
domains = [req.headers.host];
domains = [urlObject.host];
}
const queryParams = [];