| 1 | package serve |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "net/http" |
| 6 | "strings" |
| 7 | |
| 8 | "reasonix/internal/control" |
| 9 | ) |
| 10 | |
| 11 | // submit runs raw user input as a turn (slash commands and @-references |
| 12 | // resolved by the controller). Returns 202 — output arrives on the event stream. |
| 13 | // An optional "format":"json_object" asks the model for structured JSON output |
| 14 | // on this turn (text.format on the wire). |
| 15 | type submitRequest struct { |
| 16 | ModelApplication *control.ModelApplicationChoice `json:"modelApplication,omitempty"` |
| 17 | SubmissionID string `json:"submissionId"` |
| 18 | Input string `json:"input"` |
| 19 | Format string `json:"format"` |
| 20 | Action string `json:"action"` |
| 21 | RecoveryID string `json:"recoveryId"` |
| 22 | } |
| 23 | |
| 24 | func decodeSubmitRequest(w http.ResponseWriter, r *http.Request) (submitRequest, string, bool) { |
| 25 | var body submitRequest |
| 26 | if err := json.NewDecoder(r.Body).Decode(&body); err != nil || (body.Input == "" && body.Action != control.ProtocolRecoveryAction) { |
| 27 | http.Error(w, "missing input", http.StatusBadRequest) |
| 28 | return submitRequest{}, "", false |
| 29 | } |
| 30 | if len(body.SubmissionID) > 256 { |
| 31 | http.Error(w, "submissionId is too long", http.StatusBadRequest) |
| 32 | return submitRequest{}, "", false |
| 33 | } |
| 34 | body.Format = strings.TrimSpace(body.Format) |
| 35 | body.Action = strings.TrimSpace(body.Action) |
| 36 | if body.Action == control.ProtocolRecoveryAction && strings.TrimSpace(body.RecoveryID) == "" { |
| 37 | http.Error(w, "missing recoveryId", http.StatusBadRequest) |
| 38 | return submitRequest{}, "", false |
| 39 | } |
| 40 | switch body.Format { |
| 41 | case "", "json_object": |
| 42 | // Supported: empty = default text output, json_object = structured. |
| 43 | default: |
| 44 | http.Error(w, `unsupported format (supported: "json_object")`, http.StatusBadRequest) |
| 45 | return submitRequest{}, "", false |
| 46 | } |
| 47 | if err := validateSubmitAction(body.Format, body.Action); err != nil { |
| 48 | http.Error(w, err.Error(), http.StatusBadRequest) |
| 49 | return submitRequest{}, "", false |
| 50 | } |
| 51 | trimmed := strings.TrimSpace(body.Input) |
| 52 | // Typed recovery guidance is never dispatched as a management command. |
| 53 | if body.Action != "" { |
| 54 | trimmed = "" |
| 55 | } |
| 56 | if strings.HasPrefix(trimmed, "!") { |
| 57 | http.Error(w, "shell commands are unavailable over HTTP", http.StatusForbidden) |
| 58 | return submitRequest{}, "", false |
| 59 | } |
| 60 | if namesMigrationSource(trimmed) { |
| 61 | http.Error(w, "a migration source directory is unavailable over HTTP", http.StatusForbidden) |
| 62 | return submitRequest{}, "", false |
| 63 | } |
| 64 | return body, trimmed, true |
| 65 | } |
| 66 | |
| 67 | // namesMigrationSource reports a /migrate that picks its own source: a host |
| 68 | // directory to read and import, which only a local frontend may choose. |
| 69 | func namesMigrationSource(input string) bool { |
| 70 | fields := strings.Fields(input) |
| 71 | return len(fields) > 1 && (fields[0] == "/migrate" || fields[0] == "/migration") |
| 72 | } |
| 73 |