Add OnionShare hosting script

serve_with_onionshare.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -euo pipefail
+
+CONFIG="src/config.json"
+if [[ $# -gt 0 ]]; then
+  CONFIG="$1"
+fi
+
+# get subdomain from config
+subdomain=$(jq -r '.subdomain' "$CONFIG")
+DIR="host/${subdomain}"
+if [[ ! -d "$DIR" ]]; then
+  echo "Directory $DIR not found" >&2
+  exit 1
+fi
+
+logfile="$DIR/onionshare.log"
+
+# start OnionShare in background
+onionshare-cli --website --public --persistent "$DIR/.onionshare-session" "$DIR" >"$logfile" 2>&1 &
+os_pid=$!
+
+# wait for onion address to appear
+while ! grep -m1 -Eo 'https?://[a-z0-9]+\.onion' "$logfile" >/dev/null; do
+  sleep 1
+  if ! kill -0 $os_pid 2>/dev/null; then
+    echo "OnionShare exited unexpectedly" >&2
+    cat "$logfile" >&2
+    exit 1
+  fi
+done
+
+onion_url=$(grep -m1 -Eo 'https?://[a-z0-9]+\.onion' "$logfile")
+
+# update config with onion url
+jq --arg url "$onion_url" '.url=$url | .tear_off_link=$url' "$DIR/config.json" >"$DIR/config.tmp" && mv "$DIR/config.tmp" "$DIR/config.json"
+
+# regenerate assets
+(cd src && ./generate_qr.sh "$DIR/config.json")
+(cd src && ./obfuscate_index.sh "$DIR/config.json" && ./obfuscate_nostr.sh "$DIR/config.json")
+cp src/index.html src/nostr.html src/qrcode-content.png src/qrcode-tear-offs.png "$DIR/"
+
+echo "Onion URL: $onion_url"
+
+echo "OnionShare running (PID $os_pid). See $logfile for details."