From 22694712f4a07d91b252b930b4ddd4575842d04b Mon Sep 17 00:00:00 2001
From: GandC <admin@gandc.ru>
Date: Wed, 23 Sep 2026 22:03:58 +0300
Subject: [PATCH] LiveKit Electron offer-with-join workaround v2

---
 .gitea/workflows/desktop.yml | 57 +++++++++++++++++++++++++-----------
 1 file changed, 40 insertions(+), 17 deletions(-)

diff --git a/.gitea/workflows/desktop.yml b/.gitea/workflows/desktop.yml
index f794ccb..c330b09 100644
--- a/.gitea/workflows/desktop.yml
+++ b/.gitea/workflows/desktop.yml
@@ -159,15 +159,29 @@ jobs:
           $Package = Get-Content $PackagePath -Raw | ConvertFrom-Json
           $Package.homepage = "https://ds.gandc.ru"
 
-          $Package |
-            ConvertTo-Json -Depth 100 |
-            Set-Content `
-              -Path $PackagePath `
-              -Encoding utf8
+          $PackageJson = $Package | ConvertTo-Json -Depth 100
+
+          [System.IO.File]::WriteAllText(
+            $PackagePath,
+            $PackageJson + [Environment]::NewLine,
+            (New-Object System.Text.UTF8Encoding($false))
+          )
 
           Write-Host "Desktop homepage configured:"
           (Get-Content $PackagePath -Raw | ConvertFrom-Json).homepage
 
+          $PackageBytes = [System.IO.File]::ReadAllBytes($PackagePath)
+          if (
+            $PackageBytes.Length -ge 3 -and
+            $PackageBytes[0] -eq 0xEF -and
+            $PackageBytes[1] -eq 0xBB -and
+            $PackageBytes[2] -eq 0xBF
+          ) {
+            throw "package.json unexpectedly contains UTF-8 BOM"
+          }
+
+          Write-Host "package.json UTF-8 BOM check: OK"
+
           $WindowPath = "fluxer-src\fluxer_desktop\src\main\Window.ts"
 
           if (-not (Test-Path $WindowPath)) {
@@ -226,7 +240,7 @@ jobs:
             -Pattern "sso.gandc.ru|will-redirect|allowTrustedOrSsoNavigation"
 
 
-      - name: Work around LiveKit Electron offer-with-join
+      - name: Apply Electron LiveKit compatibility workarounds
         shell: powershell
         run: |
           $ErrorActionPreference = "Stop"
@@ -244,13 +258,13 @@ jobs:
             throw "Unable to locate Electron preload import"
           }
 
-          if ($Content -match "installLiveKitElectronOfferWithJoinWorkaround") {
-            throw "LiveKit Electron workaround is already present"
+          if ($Content -match "installForceAllIceTransportPolicy") {
+            throw "WebRTC ICE policy patch is already present"
           }
 
           $Patch = [Text.Encoding]::UTF8.GetString(
             [Convert]::FromBase64String(
-              "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"
+              "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"
             )
           )
 
@@ -267,15 +281,19 @@ jobs:
 
           $Result = Get-Content $Path -Raw
 
+          if ($Result -notmatch "installForceAllIceTransportPolicy") {
+            throw "WebRTC ICE policy patch verification failed"
+          }
+
           if ($Result -notmatch "installLiveKitElectronOfferWithJoinWorkaround") {
             throw "LiveKit Electron workaround verification failed"
           }
 
-          Write-Host "Installed LiveKit Electron offer-with-join workaround"
+          Write-Host "Installed preload WebRTC ICE policy override"
 
           Select-String `
             -Path $Path `
-            -Pattern "installLiveKitElectronOfferWithJoinWorkaround|offer-with-join workaround enabled"
+            -Pattern "installForceAllIceTransportPolicy|installLiveKitElectronOfferWithJoinWorkaround|iceTransportPolicy forced to all|offer-with-join workaround enabled"
 
       - name: Install dependencies
         shell: powershell
@@ -795,7 +813,7 @@ jobs:
             fluxer-src/fluxer_desktop/src/main/Window.ts
 
 
-      - name: Work around LiveKit Electron offer-with-join
+      - name: Apply Electron LiveKit compatibility workarounds
         shell: bash
         run: |
           set -euxo pipefail
@@ -825,13 +843,13 @@ jobs:
                   "Unable to locate Electron preload import"
               )
 
-          if "installLiveKitElectronOfferWithJoinWorkaround" in data:
+          if "installForceAllIceTransportPolicy" in data:
               raise SystemExit(
-                  "LiveKit Electron workaround is already present"
+                  "WebRTC ICE policy patch is already present"
               )
 
           patch = base64.b64decode(
-              "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"
+              "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"
           ).decode("utf-8")
 
           data = data.replace(
@@ -849,18 +867,23 @@ jobs:
               encoding="utf-8"
           )
 
+          if "installForceAllIceTransportPolicy" not in result:
+              raise SystemExit(
+                  "WebRTC ICE policy patch verification failed"
+              )
+
           if "installLiveKitElectronOfferWithJoinWorkaround" not in result:
               raise SystemExit(
                   "LiveKit Electron workaround verification failed"
               )
 
           print(
-              "Installed LiveKit Electron offer-with-join workaround"
+              "Installed preload WebRTC ICE policy override"
           )
           PY
 
           grep -n \
-            -E 'installLiveKitElectronOfferWithJoinWorkaround|offer-with-join workaround enabled' \
+            -E 'installForceAllIceTransportPolicy|installLiveKitElectronOfferWithJoinWorkaround|iceTransportPolicy forced to all|offer-with-join workaround enabled' \
             fluxer-src/fluxer_desktop/src/preload/index.ts
 
       - name: Install dependencies