[kiosk*] rework and introduce kiosk mode modules

changed from slxbrowser only support to modular hook structure to
support additional browser, i.e. chromium
NOTE: kiosk-chromium and kiosk-netpoint only make sense with the new gen

4 files changed, 141 insertions, 0 deletions

diff --git a/core/modules/kiosk-chromium/data/opt/openslx/scripts/kiosk-launch.d/00-chromium b/core/modules/kiosk-chromium/data/opt/openslx/scripts/kiosk-launch.d/00-chromium
new file mode 100644
index 00000000..8221cadb
--- /dev/null
+++ b/core/modules/kiosk-chromium/data/opt/openslx/scripts/kiosk-launch.d/00-chromium
@@ -0,0 +1,91 @@
+#!/bin/bash
+# prepares and run chromium as kiosk browser
+
+. /opt/openslx/config
+
+# swallow keyboard shortcuts of chromium
+cat <<- EOF > "$HOME/.xbindkeysrc"
+"true"
+	Control+d
+"true"
+	Control+t
+"true"
+	Control+s
+"true"
+	Control+n
+"true"
+	Control+j
+"true"
+	Control+p
+"true"
+	Control+h
+"true"
+	Control+Shift+o
+EOF
+# xbinkeys requires a daemon, run it
+xbindkeys_autostart &
+
+[ -n "$SLX_BROWSER_INSECURE" ] && SLX_BROWSER_INSECURE="--allow-running-insecure-content --ignore-certificate-errors"
+
+# clear state of previous sessions
+[ -e "$HOME/.config/chromium" ] && rm -rf -- "$HOME/.config/chromium"
+mkdir -p "$HOME/.config/chromium/Default"
+
+bookmark_template="$(mktemp)"
+cat <<-EOF > "$bookmark_template"
+{
+   "roots": {
+      "bookmark_bar": {
+         "children": [  ],
+         "id": "1",
+         "name": "Lesezeichenleiste",
+         "type": "folder"
+      },
+      "other": {
+         "children": [  ],
+         "id": "2",
+         "name": "Weitere Lesezeichen",
+         "type": "folder"
+      },
+      "synced": {
+         "children": [  ],
+         "id": "3",
+         "name": "Mobile Lesezeichen",
+         "type": "folder"
+      }
+   },
+   "version": 1
+}
+EOF
+
+# copy the Bookmark json template and fill in our bookmarks
+json_bookmarks() {
+	cur=0
+	echo -n '['
+	while [ $# -ne 0 ]; do
+		local bb="$1"
+		shift
+		awk -F, '{printf "%s","{\"id\": \"'$cur'\", \"type\": \"url\", \"name\": \""$1"\", \"url\": \""$2"\"}"}' <<< "$bb"
+		[ $# -ne 0 ] && echo -n ','
+		(( cur ++ ))
+	done 
+	echo -n ']'
+}
+
+# set the bookmarks in the user's home directory
+jq ".roots.bookmark_bar.children += $(json_bookmarks $SLX_BROWSER_BOOKMARKS)" \
+	"$bookmark_template" > "$HOME/.config/chromium/Default/Bookmarks"
+
+if [ -n "$SLX_BROWSER_INTERACTIVE" ]; then
+	SLX_KIOSK=''
+else
+	SLX_KIOSK='--kiosk'
+fi
+
+# finally start chromium
+exec chromium-browser \
+	--noerrdialogs \
+	--disable-infobars \
+	$SLX_KIOSK \
+	$SLX_BROWSER_INSECURE \
+	"$SLX_BROWSER_URL"
diff --git a/core/modules/kiosk-chromium/data/opt/openslx/scripts/systemd-setup_kiosk.d/00-chromium-policies b/core/modules/kiosk-chromium/data/opt/openslx/scripts/systemd-setup_kiosk.d/00-chromium-policies
new file mode 100644
index 00000000..8b6a15d9
--- /dev/null
+++ b/core/modules/kiosk-chromium/data/opt/openslx/scripts/systemd-setup_kiosk.d/00-chromium-policies
@@ -0,0 +1,33 @@
+#!/bin/bash
+# ^SOURCED
+
+. /opt/openslx/config
+
+chromium_policies() {
+	# create managed policy file, those settings cannot be changed by the user
+	# (if he even gets to the settings dialog in the first place)
+	local chromium_policy_file="/etc/chromium-browser/policies/managed/kiosk-mode.json"
+	[ -e "$chromium_policy_file" ] && rm -f "$chromium_policy_file"
+
+	mkdir -p ${chromium_policy_file%/*}
+
+	if [ -n "$SLX_BROWSER_BOOKMARKS" ]; then
+		bookmarkbar=true
+	else
+		bookmarkbar=false
+	fi
+
+	cat <<- EOF > "$chromium_policy_file"
+	{
+		"BackgroundModeEnabled": false,
+		"BookmarkBarEnabled": $bookmarkbar,
+		"DefaultBrowserSettingEnabled": true,
+		"DownloadRestrictions": 3,
+		"ShowAppsShortcutInBookmarkBar": false,
+		"TranslateEnabled": false
+	}
+	EOF
+}
+
+chromium_policies
+true
diff --git a/core/modules/kiosk-chromium/module.build b/core/modules/kiosk-chromium/module.build
new file mode 100644
index 00000000..a5cbb6b6
--- /dev/null
+++ b/core/modules/kiosk-chromium/module.build
@@ -0,0 +1,12 @@
+#!/bin/bash
+fetch_source() {
+	:
+}
+
+build() {
+	:
+}
+
+post_copy() {
+	:
+}
diff --git a/core/modules/kiosk-chromium/module.conf b/core/modules/kiosk-chromium/module.conf
new file mode 100644
index 00000000..613d6d21
--- /dev/null
+++ b/core/modules/kiosk-chromium/module.conf
@@ -0,0 +1,5 @@
+#!/bin/bash
+REQUIRED_MODULES="kiosk-common"
+REQUIRED_BINARIES=""
+REQUIRED_LIBRARIES=""
+REQUIRED_DIRECTORIES=""