Files
Bose-SoundTouch/cmd
Tobias GesellchenandClaude Opus 4.8 d94b1bc067 fix(web): trust service CA and send a known target for TTS
soundtouch-web's "Speak" feature proxies to the AfterTouch service's
/setup/tts/speak endpoint. Two issues blocked it end to end.

1. TLS: the proxy used http.DefaultClient, which trusts only system
   roots, so the HTTPS call to a service using its own self-signed CA
   failed with "x509: certificate signed by unknown authority". Add a
   --service-ca flag (SERVICE_CA env) that loads the CA PEM, appends it
   to the system pool, and uses a custom client for the TTS call.

2. Target: soundtouch-web sent device.Client.Host() (a full base URL
   like http://ip:8090), but the service's SSRF guard exact-matches the
   target against bare datastore IPs, returning "host ... is not a known
   device". Prefer the device ID (the canonical key) and send a bare-IP
   host fallback. Also normalize the incoming host in resolveTTSHost so a
   URL/host:port form still resolves; it still only ever returns a
   datastore IP, so the SSRF guarantee is unchanged.

Adds unit tests for the CA client builder, hostOnly, and resolveTTSHost
(including the preserved unknown-host/device rejections). Documents
--service-ca in the soundtouch-web README and TROUBLESHOOTING guide.
Wires SERVICE_URL and SERVICE_CA (empty defaults) into the Raspberry Pi
install-web.sh env file and documents them in the Pi guide.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-05-31 23:37:33 +02:00
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