84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
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package assets
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import (
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"embed"
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"net/http"
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"path/filepath"
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"strings"
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)
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//go:generate go run github.com/go-swagger/go-swagger/cmd/swagger@v0.31.0 generate spec --output=../swagger.yaml --scan-models --work-dir=../../
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//go:generate go run github.com/go-swagger/go-swagger/cmd/swagger@v0.31.0 validate ../swagger.yaml
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//go:generate rm -rf ../src/lib/api/generated
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//go:generate openapi-generator-cli generate --skip-validate-spec -i ../swagger.yaml -g typescript-axios -o ../src/lib/api/generated
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//go:embed all:*
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var EmbeddedSPA embed.FS
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// GetSPAFileSystem returns the embedded SPA file system for use with http.FileServer
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func GetSPAFileSystem() http.FileSystem {
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return http.FS(EmbeddedSPA)
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}
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// ServeSPA serves the embedded SPA with proper content types and SPA routing
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// This is kept for backward compatibility
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func ServeSPA(w http.ResponseWriter, r *http.Request) {
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ServeSPAWithPath(w, r, "/ui/")
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}
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// ServeSPAWithPath serves the embedded SPA with a custom webapp path
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func ServeSPAWithPath(w http.ResponseWriter, r *http.Request, webappPath string) {
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filename := strings.TrimPrefix(r.URL.Path, webappPath)
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// Handle root path and SPA routing - serve index.html for all routes
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if filename == "" || !strings.Contains(filename, ".") {
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filename = "index.html"
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}
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// Security check - prevent directory traversal
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if strings.Contains(filename, "..") {
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http.NotFound(w, r)
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return
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}
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// Read file from embedded filesystem
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content, err := EmbeddedSPA.ReadFile(filename)
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if err != nil {
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// If file not found, serve index.html for SPA routing
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content, err = EmbeddedSPA.ReadFile("index.html")
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if err != nil {
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http.NotFound(w, r)
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return
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}
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filename = "index.html"
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}
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// Set appropriate content type based on file extension
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ext := strings.ToLower(filepath.Ext(filename))
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switch ext {
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case ".html":
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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case ".js":
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w.Header().Set("Content-Type", "application/javascript")
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case ".css":
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w.Header().Set("Content-Type", "text/css")
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case ".json":
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w.Header().Set("Content-Type", "application/json")
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case ".svg":
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w.Header().Set("Content-Type", "image/svg+xml")
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case ".png":
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w.Header().Set("Content-Type", "image/png")
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default:
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w.Header().Set("Content-Type", "text/plain")
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}
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// Set cache headers for static assets (but not for HTML to ensure fresh content)
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if ext != ".html" {
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w.Header().Set("Cache-Control", "public, max-age=3600")
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} else {
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w.Header().Set("Cache-Control", "no-cache, must-revalidate")
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}
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w.Write(content)
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}
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