From e176c27955bc86c99eb708b64b67a2eb787efbae Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Tue, 12 Mar 2024 15:44:19 +0100
Subject: [PATCH] Set up opener. Support multiple hosts.
Enable with `systemctl --user enable --now opener@myhost`
---
.config/systemd/user/opener@.service | 10 ++++++++++
.ssh/config | 1 +
bin/xdg-open | 11 +++++++++++
3 files changed, 22 insertions(+)
create mode 100644 .config/systemd/user/opener@.service
create mode 100755 bin/xdg-open
diff --git a/.config/systemd/user/opener@.service b/.config/systemd/user/opener@.service
new file mode 100644
index 0000000..ae713c9
--- /dev/null
+++ b/.config/systemd/user/opener@.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Open URL in your local web browser from the SSH-connected remote environment.
+
+[Service]
+Restart=always
+Environment=OPENER_CONF=%t/opener.%i.conf
+ExecStart=/bin/sh -c 'echo "address: %t/opener.%i.sock" > $OPENER_CONF && exec %h/bin/opener --config $OPENER_CONF'
+
+[Install]
+WantedBy=graphical-session.target
diff --git a/.ssh/config b/.ssh/config
index df495cf..8b147e7 100644
--- a/.ssh/config
+++ b/.ssh/config
@@ -21,6 +21,7 @@ LocalForward 127.0.0.1:3000 127.0.0.1:3000
LocalForward 127.0.0.1:8000 127.0.0.1:8000
LocalForward 127.0.0.1:8080 127.0.0.1:8080
LocalForward 127.0.0.1:9090 127.0.0.1:9090
+RemoteForward ${XDG_RUNTIME_DIR}/opener.sock ${XDG_RUNTIME_DIR}/opener.dln-dev.sock
Host *
ForwardAgent no
diff --git a/bin/xdg-open b/bin/xdg-open
new file mode 100755
index 0000000..1a10b0b
--- /dev/null
+++ b/bin/xdg-open
@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+set -eu
+
+# Use local xdg-open if not in an ssh session
+[ -n "$SSH_TTY" ] || exec /usr/bin/xdg-open "$@"
+
+if [ -p /dev/stdin ]; then
+ exec nc -U "$XDG_RUNTIME_DIR/opener.sock" </dev/stdin
+else
+ echo "$@" | nc -U "$XDG_RUNTIME_DIR/opener.sock"
+fi