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stream: make the web player installable as a PWA

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Wire up a web manifest, service worker and icon routes so the player can
be installed on mobile. The static manifest stays generic; the page
regenerates it at runtime from STATION_NAME so an instance keeps its name.
The service worker only caches the app shell, never the live stream or the
playback APIs. Icons (192/512, maskable and apple-touch) are rasterized
from the favicon.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
nemunaire 2026-07-04 16:09:08 +08:00
commit c73b71d32f
10 changed files with 239 additions and 0 deletions
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stream/radio.liq
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@ -224,6 +224,15 @@ output.harbor(
home_html = file.contents("/etc/liquidsoap/index.html")
favicon_svg = file.contents("/etc/liquidsoap/favicon.svg")
# Ressources de la webapp installable (PWA) : manifeste, service worker et jeu
# d'icônes. Chargées une fois au démarrage puis servies telles quelles.
manifest_json = file.contents("/etc/liquidsoap/manifest.webmanifest")
sw_js = file.contents("/etc/liquidsoap/sw.js")
icon_192 = file.contents("/etc/liquidsoap/icon-192.png")
icon_512 = file.contents("/etc/liquidsoap/icon-512.png")
icon_maskable_512 = file.contents("/etc/liquidsoap/icon-maskable-512.png")
apple_touch_icon = file.contents("/etc/liquidsoap/apple-touch-icon.png")
harbor.http.register(
port=8000, method="GET", "/",
fun(_, resp) -> begin
@ -240,6 +249,58 @@ harbor.http.register(
end
)
harbor.http.register(
port=8000, method="GET", "/manifest.webmanifest",
fun(_, resp) -> begin
resp.content_type("application/manifest+json; charset=utf-8")
resp.data(manifest_json)
end
)
# Le service worker doit être servi depuis la racine pour couvrir tout le site
# (portée par défaut = son emplacement). Pas de cache HTTP agressif : le
# navigateur revérifie régulièrement le script.
harbor.http.register(
port=8000, method="GET", "/sw.js",
fun(_, resp) -> begin
resp.content_type("text/javascript; charset=utf-8")
resp.header("Cache-Control", "no-cache")
resp.data(sw_js)
end
)
harbor.http.register(
port=8000, method="GET", "/icon-192.png",
fun(_, resp) -> begin
resp.content_type("image/png")
resp.data(icon_192)
end
)
harbor.http.register(
port=8000, method="GET", "/icon-512.png",
fun(_, resp) -> begin
resp.content_type("image/png")
resp.data(icon_512)
end
)
harbor.http.register(
port=8000, method="GET", "/icon-maskable-512.png",
fun(_, resp) -> begin
resp.content_type("image/png")
resp.data(icon_maskable_512)
end
)
harbor.http.register(
port=8000, method="GET", "/apple-touch-icon.png",
fun(_, resp) -> begin
resp.content_type("image/png")
resp.data(apple_touch_icon)
end
)
harbor.http.register(
port=8000, method="GET", "/nowplaying",
fun(_, resp) -> begin