package main import ( "encoding/base64" "encoding/binary" "encoding/json" "fmt" "html" "io/ioutil" "log" "math/rand" "os" "srs.epita.fr/fic-server/libfic" ) type askOpenHint struct { HintId int64 `json:"id"` } func treatOpeningHint(pathname string, team *fic.Team) { // Generate a unique identifier to follow the request in logs bid := make([]byte, 5) binary.LittleEndian.PutUint32(bid, rand.Uint32()) id := "[" + base64.StdEncoding.EncodeToString(bid) + "]" log.Println(id, "New openingHint receive", pathname) var ask askOpenHint cnt_raw, err := ioutil.ReadFile(pathname) if err != nil { log.Printf("%s [ERR] %s\n", id, err) return } err = json.Unmarshal(cnt_raw, &ask) if err != nil { log.Printf("%s [ERR] %s\n", id, err) return } if ask.HintId == 0 { log.Printf("%s [WRN] Invalid content in hint file: %s\n", id, pathname) os.Remove(pathname) return } hint, err := fic.GetHint(ask.HintId) if err != nil { log.Printf("%s [ERR] Unable to retrieve the given hint: %s\n", id, err) return } exercice, err := hint.GetExercice() if err != nil { log.Printf("%s [ERR] Unable to retrieve the hint's underlying exercice: %s\n", id, err) return } if exercice.Disabled { log.Println("[!!!] The team submits something for a disabled exercice") return } if !team.HasAccess(exercice) { log.Printf("%s [!!!] The team asks to open an hint whereas it doesn't have access to the exercice\n", id) return } if !team.CanSeeHint(hint) { log.Printf("%s [!!!] The team asks to open an hint whereas it doesn't have access to it due to hint dependencies\n", id) return } // Find the corresponding theme var theme *fic.Theme if exercice.IdTheme != nil { theme, err = fic.GetTheme(*exercice.IdTheme) if err != nil { log.Printf("%s [ERR] Unable to retrieve theme for exercice %d: %s\n", id, exercice.Id, err) return } // Theme should not be locked if theme.Locked { log.Printf("%s [!!!] Open hint received for locked theme %d (hid=%d): %s\n", id, exercice.IdTheme, ask.HintId, theme.Name) return } } if err = team.OpenHint(hint); err != nil && !fic.DBIsDuplicateKeyError(err) { // Skip DUPLICATE KEY errors log.Printf("%s [ERR] Unable to open hint: %s\n", id, err) return } if theme == nil { if _, err = fic.NewEvent(fmt.Sprintf("L'équipe %s a dévoilé un indice pour le défi %s !", html.EscapeString(team.Name), exercice.Title), "info"); err != nil { log.Printf("%s [WRN] Unable to create event: %s\n", id, err) } } else { // Write event if lvl, err := exercice.GetLevel(); err != nil { log.Printf("%s [WRN] %s\n", id, err) } else if _, err = fic.NewEvent(fmt.Sprintf("L'équipe %s a dévoilé un indice pour le %de défi %s !", html.EscapeString(team.Name), lvl, theme.Name), "info"); err != nil { log.Printf("%s [WRN] Unable to create event: %s\n", id, err) } } appendGenQueue(fic.GenStruct{Id: id, Type: fic.GenTeam, TeamId: team.Id}) appendGenQueue(fic.GenStruct{Id: id, Type: fic.GenEvents}) if err = os.Remove(pathname); err != nil { log.Printf("%s [ERR] %s\n", id, err) } }