From 682d3aa52a9117bcfc90c360cda1412cfd3d0deb Mon Sep 17 00:00:00 2001
From: Joachim Bauch <bauch@struktur.de>
Date: Thu, 21 Dec 2023 13:51:32 +0100
Subject: [PATCH 1/2] CI: Check license headers of Go files.

---
 .github/workflows/licensecheck.yml | 46 ++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 .github/workflows/licensecheck.yml

diff --git a/.github/workflows/licensecheck.yml b/.github/workflows/licensecheck.yml
new file mode 100644
index 0000000..6d8327e
--- /dev/null
+++ b/.github/workflows/licensecheck.yml
@@ -0,0 +1,46 @@
+name: licensecheck
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+      - '.github/workflows/licensecheck.yml'
+      - '**.go'
+  pull_request:
+    branches: [ master ]
+    paths:
+      - '.github/workflows/licensecheck.yml'
+      - '**.go'
+
+permissions:
+  contents: read
+
+jobs:
+  golang:
+    name: golang
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install licensecheck
+        run: |
+          sudo apt-get -y update
+          sudo apt-get -y install licensecheck
+
+      - id: licensecheck
+        name: Check licenses
+        run: |
+          {
+            echo 'CHECK_RESULT<<EOF'
+            licensecheck *.go */*.go
+            echo EOF
+          } >> "$GITHUB_ENV"
+
+      - name: Check for missing licenses
+        run: |
+          MISSING=$(echo "$CHECK_RESULT" | grep UNKNOWN || true)
+          if [ -n "$MISSING" ]; then \
+            echo "$MISSING"; \
+            exit 1; \
+          fi

From 9b09ff083b972e10cd7e756bfd15f2d2e7a6ae46 Mon Sep 17 00:00:00 2001
From: Joachim Bauch <bauch@struktur.de>
Date: Thu, 21 Dec 2023 16:05:56 +0100
Subject: [PATCH 2/2] Add missing copyright headers.

---
 allowed_ips.go      | 21 +++++++++++++++++++++
 allowed_ips_test.go | 21 +++++++++++++++++++++
 mock_data_test.go   | 21 +++++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/allowed_ips.go b/allowed_ips.go
index 22b57ca..bf5d898 100644
--- a/allowed_ips.go
+++ b/allowed_ips.go
@@ -1,3 +1,24 @@
+/**
+ * Standalone signaling server for the Nextcloud Spreed app.
+ * Copyright (C) 2023 struktur AG
+ *
+ * @author Joachim Bauch <bauch@struktur.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package signaling
 
 import (
diff --git a/allowed_ips_test.go b/allowed_ips_test.go
index 001da6e..a68f3ae 100644
--- a/allowed_ips_test.go
+++ b/allowed_ips_test.go
@@ -1,3 +1,24 @@
+/**
+ * Standalone signaling server for the Nextcloud Spreed app.
+ * Copyright (C) 2023 struktur AG
+ *
+ * @author Joachim Bauch <bauch@struktur.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package signaling
 
 import (
diff --git a/mock_data_test.go b/mock_data_test.go
index ed0063b..f90927a 100644
--- a/mock_data_test.go
+++ b/mock_data_test.go
@@ -1,3 +1,24 @@
+/**
+ * Standalone signaling server for the Nextcloud Spreed app.
+ * Copyright (C) 2021 struktur AG
+ *
+ * @author Joachim Bauch <bauch@struktur.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package signaling
 
 const (