Handle short URLs

AppApi.cs

@@ -355,6 +355,32 @@ namespace VRCX
             MainForm.Instance.Activate();
         }
 
+        public string FollowUrl(string url)
+        {
+            bool redirecting = true;
+
+            while (redirecting)
+            {
+                Console.WriteLine(url);
+                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
+                request.AllowAutoRedirect = false;
+                request.UserAgent = "VRCX";
+                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
+                if ((int)response.StatusCode == 301 || (int)response.StatusCode == 302)
+                {
+                    url = response.Headers["Location"];
+                    if (url.Substring(0, 1) == "/")
+                        return url;
+                }
+                else
+                {
+                    redirecting = false;
+                }
+            }
+
+            return "";
+        }
+
         public void SetStartup(bool enabled)
         {
             try

html/src/app.js

@@ -448,6 +448,9 @@ speechSynthesis.getVoices();
                     }
                     return response;
                 } catch (e) {}
+                if (endpoint.substring(endpoint.length - 10) === '/shortName') {
+                    return response;
+                }
                 if (response.status === 200) {
                     this.$throw(0, 'Invalid JSON response');
                 }
@@ -1879,6 +1882,25 @@ speechSynthesis.getVoices();
         });
     };
 
+    /*
+        params: {
+            worldId: string,
+            instanceId: string
+        }
+    */
+    API.getInstanceShortName = function (params) {
+        return this.call(`instances/${params.worldId}:${params.instanceId}/shortName`, {
+            method: 'GET'
+        }).then((json) => {
+            var args = {
+                json,
+                params
+            };
+            this.$emit('INSTANCE:SHORTNAME', args);
+            return args;
+        });
+    };
+
     /*
         params: {
             worldId: string,
@@ -10165,7 +10187,27 @@ speechSynthesis.getVoices();
                     if (action === 'confirm' && instance.inputValue) {
                         var input = instance.inputValue;
                         var testUrl = input.substring(0, 15);
-                        if (testUrl === 'https://vrchat.') {
+                        if (testUrl === 'https://vrch.at') {
+                            AppApi.FollowUrl(input).then((url) => {
+                                // /home/launch?worldId=wrld_f20326da-f1ac-45fc-a062-609723b097b1&instanceId=33570~region(jp)&shortName=cough-stockinglinz-ddd26
+                                if (url.substring(0, 13) === '/home/launch?') {
+                                    var urlParams = new URLSearchParams(url.substring(13));
+                                    var worldId = urlParams.get('worldId');
+                                    var instanceId = urlParams.get('instanceId');
+                                    if (instanceId) {
+                                        var location = `${worldId}:${instanceId}`;
+                                        this.showWorldDialog(location);
+                                    } else if (worldId) {
+                                        this.showWorldDialog(worldId);
+                                    }
+                                } else {
+                                    this.$message({
+                                        message: 'Invalid URL',
+                                        type: 'error'
+                                    });
+                                }
+                            });
+                        } else if (testUrl === 'https://vrchat.') {
                             var url = new URL(input);
                             var urlPath = url.pathname;
                             if (urlPath.substring(5, 11) === '/user/') {
@@ -12659,6 +12701,11 @@ speechSynthesis.getVoices();
         $app.launchDialog.visible = false;
     });
 
+    API.$on('INSTANCE:SHORTNAME', function (args) {
+        var url = `https://vrch.at/${args.json}`;
+        $app.launchDialog.url = url;
+    });
+
     $app.methods.showLaunchDialog = function (tag) {
         this.$nextTick(() => adjustDialogZ(this.$refs.launchDialog.$el));
         var L = API.parseLocation(tag);
@@ -12673,6 +12720,7 @@ speechSynthesis.getVoices();
         }
         D.url = getLaunchURL(L.worldId, L.instanceId);
         D.visible = true;
+        API.getInstanceShortName({worldId: L.worldId, instanceId: L.instanceId});
     };
 
     $app.methods.locationToLaunchArg = function (location) {
@@ -12762,6 +12810,14 @@ speechSynthesis.getVoices();
         this.copyToClipboard(`https://vrchat.com/home/user/${userId}`);
     };
 
+    $app.methods.copyInstanceUrl = function (url) {
+        this.$message({
+            message: 'Instance URL copied to clipboard',
+            type: 'success'
+        });
+        this.copyToClipboard(url);
+    };
+
     // App: VRCPlus Icons
 
     API.$on('LOGIN', function () {

html/src/index.pug

@@ -1899,6 +1899,8 @@ html
             //- dialog: launch
             el-dialog.x-dialog(ref="launchDialog" :visible.sync="launchDialog.visible" title="Launch" width="400px")
                 div #[span(v-text="launchDialog.url" style="word-break:break-all;font-size:12px")]
+                    el-tooltip(placement="top" content="Copy to clipboard" :disabled="hideTooltips")
+                        el-button(@click="copyInstanceUrl(launchDialog.url)" size="mini" icon="el-icon-s-order" style="margin-left:5px" circle)
                 template(#footer)
                     el-checkbox(v-model="launchDialog.desktop" style="float:left;margin-top:5px") Start as Desktop (No VR)
                     el-button(size="small" @click="showInviteDialog(launchDialog.location)" :disabled="checkCanInvite(launchDialog.location)") Invite