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package main
import (
"encoding/json"
"fmt"
"html/template"
"net/http"
"github.com/gorilla/mux"
)
// HandleIndex takes care of rendering our embedded template out to the client
func (a *App) HandleIndex(w http.ResponseWriter, r *http.Request) {
t, err := template.ParseFS(a.templateFS, "templates/index.html")
if err != nil {
Logger.Printf("While parsing template for index: %s", err)
http.Error(w, "Internal server error ( template )",
http.StatusInternalServerError)
return
}
err = t.Execute(w,
struct {
App *App
Local bool
}{
a,
isLocal(r.RemoteAddr),
})
if err != nil {
Logger.Printf("While Rendering template: %s", err)
}
Logger.Printf("Client %s Index page", r.RemoteAddr)
}
// HandleInstall takes the HTTP requests for installing a game from a URL
// or local file path
func (a *App) HandleInstall(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
Logger.Printf("Installer: While parsing form: %s", err)
http.Error(w, fmt.Sprintf("Invalid form: %s", err), 400)
return
}
uri := r.Form.Get("uri")
Logger.Printf("Installer: Sending request for: %s to downloader", uri)
go func() {
g, err := a.Library.ExtractSmart(uri)
if err != nil {
Logger.Printf("Error encountered installing: %s", err)
}
Logger.Printf("Extracted game: %s", g)
}()
http.Redirect(w, r, "/", 302)
}
// HandleDownload takes care of exporting our games out to an HTTP request
//
// @Summary Handles downloading of a game
// @Description Streams a tarball of the game including the ACF file down
// @Description to the client machine
// @Tags all, game
// @Param game path string true "Name of the videogame"
// @Header 200 {string} Estimated-size "Estimated game size in bytes"
// @Accept json
// @Produce application/tar
// @Success 200
// @Router /lib/game/{game} [get]
func (a *App) HandleDownload(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
game := vars["game"]
g, ok := a.Library.Games()[game]
if !ok {
Logger.Printf("Missing: %s", game)
http.Error(w, "Game is missing", 404)
return
}
w.Header().Add("Content-type", "application/tar")
w.Header().Add("Estimated-size", fmt.Sprintf("%d", g.Size))
Logger.Printf("Client %s is downloading: %s", r.RemoteAddr, game)
err := a.Library.Package(g.Name, w)
if err != nil {
Logger.Printf("Encountered download error: %s", err)
}
return
}
// HandleDelete removes the game in question, though it doesn't
// spawn any background processes it usually completes fast enough.
// TODO: Fix if the request taking too long becomes an issue
func (a *App) HandleDelete(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
Logger.Printf("Installer: While parsing form: %s", err)
http.Error(w, fmt.Sprintf("Invalid form: %s", err), 400)
return
}
game := r.PostForm.Get("name")
if game == "" {
Logger.Println("Delete: No game specified")
http.Error(w, "Game param required", 400)
return
}
g, ok := a.Library.Games()[game]
if !ok {
Logger.Printf("Missing: %s", game)
http.Error(w, "Game is missing", 404)
return
}
err = a.Library.Delete(g.Name)
if err != nil {
Logger.Printf("Error removing game: %s", err)
http.Error(w, fmt.Sprintf("Error removing game: %s", err), 500)
return
}
Logger.Printf("Removed game: %s", game)
http.Redirect(w, r, "/", 302)
}
// HandleStats dumps out some internal statistics of installation which
// is then parsed by some JS for a progress bar and such
func (a *App) HandleStats() http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Content-type", "application/json")
enc := json.NewEncoder(w)
enc.SetIndent("", " ")
err := enc.Encode(a.Library.Status())
if err != nil {
Logger.Println("While encoding Status: ", err)
}
return
})
}
// HandleSetLib sets a new library path
func (a *App) HandleSetLib(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
Logger.Printf("Setlib: While parsing form: %s", err)
http.Error(w, fmt.Sprintf("Invalid form: %s", err), 400)
return
}
a.Library.ProcessLibrary(r.Form.Get("path"))
http.Redirect(w, r, "/", 302)
}
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