From 3f97c8601840c1ef20433721463fcb07c87231d9 Mon Sep 17 00:00:00 2001
From: Timon Engelke <timon.engelke@online.de>
Date: Fri, 5 Jun 2020 14:56:10 +0200
Subject: [PATCH] redirect to lecture2gether room when it is entered

This also cleans up some URL logic and closes #13
---
 lecture2gether-vue/src/components/Player.vue  |  8 ++++++-
 lecture2gether-vue/src/components/Toolbar.vue | 22 ++++++++++++-------
 lecture2gether-vue/src/mediaURLs.ts           | 19 +++++-----------
 3 files changed, 27 insertions(+), 22 deletions(-)

diff --git a/lecture2gether-vue/src/components/Player.vue b/lecture2gether-vue/src/components/Player.vue
index 0f8cee4..84e6852 100644
--- a/lecture2gether-vue/src/components/Player.vue
+++ b/lecture2gether-vue/src/components/Player.vue
@@ -88,7 +88,13 @@ export default class L2gPlayer extends Vue {
 
     getSourceFromURL(url: string): {type: string; src: string} {
         // shared media logic in src/mediaURLs.ts checkURL
-        const res = checkURL(url);
+        let parsedUrl;
+        try {
+            parsedUrl = new URL(url);
+        } catch (e) {
+            throw new Error('Invalid URL');
+        }
+        const res = checkURL(parsedUrl);
         if (res === undefined) {
             throw new Error('URL not supported');
         } else {
diff --git a/lecture2gether-vue/src/components/Toolbar.vue b/lecture2gether-vue/src/components/Toolbar.vue
index 69ef100..6fd8313 100644
--- a/lecture2gether-vue/src/components/Toolbar.vue
+++ b/lecture2gether-vue/src/components/Toolbar.vue
@@ -96,26 +96,32 @@ export default class Toolbar extends Vue {
         }
         // update the url to point to the lecture2go playlist when it is a
         // lecture2go url
-        let url: string = this.url;
-        if (url.includes('lecture2go') || url.includes('/l2go/')) {
+        let url;
+        try {
+            url = new URL(this.url);
+        } catch (e) {
+            this.urlIsValid = false;
+            return;
+        }
+        if (url.host.includes('lecture2go') || url.pathname.includes('/l2go/')) {
             this.urlIsValid = true;
             const password = this.$store.state.player.password;
-            url = await getL2goPlaylist(this.$store, url, password);
+            url = await getL2goPlaylist(this.$store, url.toString(), password);
             if (url === '') return;
         }
-        if (this.isValidVideoUrl(url)) {
+        if (checkURL(url) !== undefined) {
             this.urlIsValid = true;
             if (this.$store.state.isConnected) this.$store.dispatch('setUrl', url);
             else console.warn('Not setting url because we are not connected');
+        } else if (url.host === window.location.host) {
+            // A lecture2gether url was entered, redirect to that room
+            await this.$store.dispatch('leaveRoom');
+            await this.$router.push(url.pathname);
         } else {
             this.urlIsValid = false;
         }
     }
 
-    isValidVideoUrl(url: string) {
-        return checkURL(url) !== undefined;
-    }
-
     // Save url to clipboard
     async saveUrlClipboard() {
         this.showingTooltip = true;
diff --git a/lecture2gether-vue/src/mediaURLs.ts b/lecture2gether-vue/src/mediaURLs.ts
index d128685..e1eeb63 100644
--- a/lecture2gether-vue/src/mediaURLs.ts
+++ b/lecture2gether-vue/src/mediaURLs.ts
@@ -1,5 +1,5 @@
-export function checkURL(url: string): {type: string, src: URL,} | undefined {
-    const extensions2types: [string,string][] = 
+export function checkURL(url: URL): {type: string, src: URL,} | undefined {
+    const extensions2types: [string,string][] =
         [['m3u8', 'application/x-mpegURL']
         ,['mp4', 'video/mp4']
         ,['ogg', 'video/ogg']
@@ -15,24 +15,17 @@ export function checkURL(url: string): {type: string, src: URL,} | undefined {
         return res === undefined ? undefined : res[1];
     };
 
-    let host, extension, urlobj;
-    try {
-        urlobj = new URL(url);
-        host = urlobj.hostname;
-        extension = urlobj.pathname.split('.').pop();
-    } catch { 
-        return undefined;
-    }
+    let host = url.hostname;
+    let extension = url.pathname.split('.').pop();
 
-    let type;
     //check type based on extension first
-    type = assoc(extensions2types, extension);
+    let type = assoc(extensions2types, extension);
     //check type based on hostname next
     if (type === undefined) type = assoc(host2types, host);
     if (type === undefined) return undefined;
 
     return {
         type: type,
-        src: urlobj,
+        src: url,
     };
 }