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fix: generate manifest in go backend

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This commit is contained in:
Maxi Quoß
2025-09-15 22:21:00 +02:00
parent 41cc546b81
commit bd6038720b
4 changed files with 86 additions and 1 deletions
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84
backend/pb/handlers.go
View File

@@ -1,7 +1,9 @@
package pb
import (
"encoding/json"
"encoding/xml"
"fmt"
"net"
"net/http"
"os"
@@ -381,3 +383,85 @@ func asyncCall(e *core.RequestEvent, fn func() *router.ApiError) *router.ApiErro
return nil
}
func HandlerWebsiteManifest(e *core.RequestEvent) error {
scheme := "http"
if e.Request.TLS != nil {
scheme = "https"
}
baseUrl := fmt.Sprintf("%s://%s", scheme, e.Request.Host)
manifest := map[string]any{
"name": "UpSnap",
"short_name": "UpSnap",
"description": "A simple wake on lan web app written with SvelteKit, Go and PocketBase.",
"theme_color": "#55BCD9",
"background_color": "#55BCD9",
"display": "standalone",
"scope": baseUrl,
"start_url": baseUrl,
"icons": []map[string]string{
{
"src": "/icon_192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "any",
},
{
"src": "/icon_512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "any",
},
{
"src": "/maskable_192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "maskable",
},
{
"src": "/maskable_512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "maskable",
},
{
"src": "/gopher.svg",
"sizes": "any",
"type": "image/svg+xml",
},
},
}
publicSettings, err := e.App.FindFirstRecordByFilter("settings_public", "")
if err != nil {
return writeManifest(e, manifest)
}
// override title if set
if title := publicSettings.GetString("website_title"); title != "" {
manifest["name"] = title
manifest["short_name"] = title
}
// override icons if set
if favicon := publicSettings.GetString("favicon"); favicon != "" {
manifest["icons"] = []map[string]string{
{
"src": fmt.Sprintf("%s/api/files/settings_public/%s/%s", baseUrl, publicSettings.Id, favicon),
"sizes": "any",
"purpose": "any",
},
}
}
return writeManifest(e, manifest)
}
func writeManifest(e *core.RequestEvent, manifest map[string]any) error {
e.Response.Header().Set("Content-Type", "application/manifest+json")
e.Response.Header().Set("Cache-Control", "no-cache, no-store")
enc := json.NewEncoder(e.Response)
return enc.Encode(manifest)
}

1
backend/pb/pb.go
View File

@@ -78,6 +78,7 @@ func StartPocketBase(distDirFS fs.FS) {
se.Router.GET("/api/upsnap/scan", HandlerScan).Bind(apis.RequireSuperuserAuth())
se.Router.POST("/api/upsnap/init-superuser", HandlerInitSuperuser) // https://github.com/pocketbase/pocketbase/discussions/6198
se.Router.POST("/api/upsnap/validate-cron", HandlerValidateCron)
se.Router.GET("/api/upsnap/manifest.webmanifest", HandlerWebsiteManifest)
if err := importSettings(app); err != nil {
return err

1
frontend/src/app.html
View File

@@ -3,7 +3,6 @@
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="manifest" href="/manifest.webmanifest" />
%sveltekit.head%
<script>
const darkTheme = 'dim';

1
frontend/src/routes/+layout.svelte
View File

@@ -86,6 +86,7 @@
</script>
<svelte:head>
<link rel="manifest" href={backendUrl + 'api/upsnap/manifest.webmanifest'} />
<link
rel="shortcut icon"
href={$settingsPub?.id && $settingsPub?.favicon