| 1 | package console |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/subtle" |
| 6 | "fmt" |
| 7 | "log" |
| 8 | "net/http" |
| 9 | "strconv" |
| 10 | "strings" |
| 11 | "time" |
| 12 | |
| 13 | "github.com/carlosframework/platform/internal/appconfig" |
| 14 | ) |
| 15 | |
| 16 | // handleAppSwap is the Deploys card's form (spec §4.1, §9.2): any member of |
| 17 | // the app, gated in AGENTS.md's order (session, CSRF, then the byte-identical |
| 18 | // 404 for an app that is not the caller's), as the restart action is. |
| 19 | func (s *Server) handleAppSwap(w http.ResponseWriter, r *http.Request) { |
| 20 | addr, raw, acct, _, ok := s.account(w, r) |
| 21 | if !ok { |
| 22 | return |
| 23 | } |
| 24 | if subtle.ConstantTimeCompare([]byte(r.FormValue("csrf")), []byte(raw)) != 1 { |
| 25 | s.renderMessage(w, r, http.StatusForbidden, "Refused", "Cross-site request blocked.") |
| 26 | return |
| 27 | } |
| 28 | app := r.PathValue("app") |
| 29 | has, err := s.store.HasAppIn(acct.ID, app) |
| 30 | if err != nil { |
| 31 | s.renderMessage(w, r, http.StatusInternalServerError, "Error", "Could not read your apps. Please try again.") |
| 32 | return |
| 33 | } |
| 34 | if !has { |
| 35 | http.NotFound(w, r) |
| 36 | return |
| 37 | } |
| 38 | back := func(kind, msg string) { |
| 39 | s.setFlash(w, kind, msg) |
| 40 | http.Redirect(w, r, appSettingsURL(acct.Sqid, app, "general"), http.StatusSeeOther) |
| 41 | } |
| 42 | if s.cfg.Releases == nil { |
| 43 | back("err", swapCopy.NoBucket) |
| 44 | return |
| 45 | } |
| 46 | swap := strings.TrimSpace(r.FormValue("swap")) |
| 47 | n, err := strconv.Atoi(strings.TrimSpace(r.FormValue("swap_concurrency"))) |
| 48 | if (swap != appconfig.SwapOverlap && swap != appconfig.SwapHold) || err != nil || n < 1 { |
| 49 | back("err", swapCopy.Invalid) |
| 50 | return |
| 51 | } |
| 52 | if !s.allowWrite(Principal{Kind: PrincipalUser, Address: addr}, time.Now()) { |
| 53 | back("err", swapCopy.RateLimited) |
| 54 | return |
| 55 | } |
| 56 | ctx, cancel := context.WithTimeout(r.Context(), configStoreTimeout) |
| 57 | defer cancel() |
| 58 | got, err := appconfig.SetSwapPolicy(ctx, s.cfg.Releases, acct.Sqid, app, swap, n) |
| 59 | if err != nil { |
| 60 | log.Printf("console: swap policy %s/%s: %v", acct.Sqid, app, err) |
| 61 | back("err", swapCopy.StoreFailed) |
| 62 | return |
| 63 | } |
| 64 | s.audit(acct, app, addr, "swap-policy", fmt.Sprintf(apiSwapAudit, app, got.Swap, got.Concurrency, "console")) |
| 65 | s.bumpSerial(ctx) |
| 66 | back("ok", fmt.Sprintf(swapCopy.Saved, got.Swap, got.Concurrency)) |
| 67 | } |
| 68 | |
| 69 | // loadSwapPolicy fills the Deploys card. A failed read says so rather than |
| 70 | // showing the defaults as if they were the setting (ErrLevelUnread's rule). |
| 71 | func (s *Server) loadSwapPolicy(ctx context.Context, p *page, acct *Account) { |
| 72 | if s.cfg.Releases == nil { |
| 73 | p.SwapUnread = true |
| 74 | return |
| 75 | } |
| 76 | sp, err := appconfig.GetSwapPolicy(ctx, s.cfg.Releases, acct.Sqid, p.AppName) |
| 77 | if err != nil { |
| 78 | log.Printf("console: swap policy %s/%s: %v", acct.Sqid, p.AppName, err) |
| 79 | p.SwapUnread = true |
| 80 | return |
| 81 | } |
| 82 | p.SwapPolicy = sp |
| 83 | } |
| 84 | |
amadan