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|
package main
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"os"
"strings"
"sync"
"time"
)
type statusInfo struct {
Running bool
Error error
Url string
Transferred int64
Size int64
Start *time.Time
}
var (
status = struct {
m *sync.RWMutex
s *statusInfo
}{
m: &sync.RWMutex{},
s: &statusInfo{Running: false},
}
getPath = make(chan string)
)
func statsHandler(w http.ResponseWriter, r *http.Request) {
status.m.RLock()
defer status.m.RUnlock()
enc := json.NewEncoder(w)
err := enc.Encode(status.s)
if err != nil {
Logger.Println("While encoding status: ", err)
}
return
}
func installHttp(u string) error {
Logger.Println("Installer: loading from url")
resp, err := http.Get(u)
if err != nil {
return fmt.Errorf("Installer: getting %w", err)
}
err = Lib.Extract(resp.Body)
if err != nil {
return fmt.Errorf("Installer: extracting %w", err)
}
resp.Body.Close()
return nil
}
func installPath(p string) error {
Logger.Println("Installer: loading from filesystem")
fh, err := os.Open(p)
if err != nil {
return fmt.Errorf("Installer: opening %w", err)
}
err = Lib.Extract(fh)
if err != nil {
return fmt.Errorf("Installer: opening %w", err)
}
fh.Close()
return nil
}
// installer handles installing games either from a local path or a
// remote URL
func installer(urls <-chan string) {
var err error
for u := range urls {
status.m.Lock()
Logger.Printf("Installer: running for URI: %s", u)
status.s.Running = true
status.s.Url = u
status.m.Unlock()
if strings.HasPrefix(u, "http") {
err = installHttp(u)
} else {
err = installPath(u)
}
status.m.Lock()
status.s.Running = false
status.s.Error = err
Logger.Printf("Installer: Completed request %s Errors: %s", u, err)
status.m.Unlock()
reloadLib()
}
}
func gameInstaller(w http.ResponseWriter, r *http.Request) {
if unauthorizedIfNotLocal(w, r) {
return
}
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")
if strings.HasPrefix(uri, "http") {
_, err := url.Parse(uri)
if err != nil {
Logger.Printf("Installer: While parsing url: %s", err)
http.Error(w, fmt.Sprintf("Invalid url: %s", err), 400)
return
}
} else {
fi, err := os.Stat(uri)
if err != nil {
Logger.Printf("Installer: While parsing url: %s", err)
http.Error(w, fmt.Sprintf("Invalid uri/path: %s", err), 400)
return
}
if !fi.Mode().IsRegular() {
Logger.Printf("Installer: While parsing url: %s", err)
http.Error(w, fmt.Sprintf("Invalid uri/path: %s", err), 400)
return
}
}
Logger.Printf("Installer: Sending request for: %s to channel", uri)
getPath <- uri
http.Redirect(w, r, "/", 302)
}
|
