Chat federation: new settings to disable the feature.

server/lib/uri/canonicalize.ts

@@ -1,10 +1,52 @@
 import type { RegisterServerOptions } from '@peertube/peertube-types'
+import { pluginVersionWordBreakRegex } from '../helpers'
 import * as url from 'url'
 
-export function fullUri (options: RegisterServerOptions, path: string): string {
-  if (path.startsWith('https://') || path.startsWith('http://')) {
-    return path
+const removeVersionRegex = new RegExp(
+  /\/plugins\/livechat\//.source +
+  pluginVersionWordBreakRegex.source +
+  /\//.source
+)
+
+interface CanonicalizeOptions {
+  protocol?: 'http' | 'ws'
+  removePluginVersion?: boolean
+}
+
+/**
+ * Takes a Plugin uri or route path (for example an API endpoint, the websocket route, ...),
+ * and returns a canonicalized version that include the host, and can handle different options
+ * (with the given scheme, without the plugin version, ...)
+ * @param options Peertube server options
+ * @param path the uri to canonicalize
+ * @param canonicalizeOptions canonicalize options
+ * @returns the canonicalize uri
+ */
+export function canonicalizePluginUri (
+  options: RegisterServerOptions,
+  path: string,
+  canonicalizeOptions?: CanonicalizeOptions
+): string {
+  let uri: url.URL
+  if (path.match(/^(http|ws)s?:\/\//)) {
+    uri = new url.URL(path)
+  } else {
+    uri = new url.URL(path, options.peertubeHelpers.config.getWebserverUrl())
+  }
+  if (canonicalizeOptions?.protocol) {
+    // Assuming that current protocol is https? or wss?, other cases dont concern us, and will be buggy
+    const currentProtocolSecure = uri.protocol.endsWith('s')
+    if (canonicalizeOptions.protocol === 'http') {
+      uri.protocol = currentProtocolSecure ? 'https' : 'http'
+    } else if (canonicalizeOptions.protocol === 'ws') {
+      uri.protocol = currentProtocolSecure ? 'wss' : 'ws'
+    }
+  }
+  if (canonicalizeOptions?.removePluginVersion) {
+    uri.pathname = uri.pathname.replace(
+      removeVersionRegex,
+      '/plugins/livechat/'
+    )
   }
-  const uri = new url.URL(path, options.peertubeHelpers.config.getWebserverUrl())
   return uri.toString()
 }