| 1 | // Package desktopinstance coordinates installed Desktop process ownership. |
| 2 | package desktopinstance |
| 3 | |
| 4 | import ( |
| 5 | "crypto/sha256" |
| 6 | "encoding/hex" |
| 7 | "encoding/json" |
| 8 | "errors" |
| 9 | "fmt" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | |
| 13 | "reasonix/internal/installlayout" |
| 14 | ) |
| 15 | |
| 16 | const StatusLimit = 16 * 1024 |
| 17 | const QuitRequest = "--reasonix-lifecycle-request=quit" |
| 18 | const unsupportedPortableLocationMessage = "Reasonix portable cannot run from a network or virtual shared folder.\n" + |
| 19 | "Copy the entire extracted folder to a local Windows drive, then start Reasonix.exe, or use the installer.\n\n" + |
| 20 | "Reasonix 便携版无法从网络或虚拟机共享目录启动。\n" + |
| 21 | "请将整个解压目录复制到 Windows 本地磁盘后运行 Reasonix.exe，或使用安装器。" |
| 22 | |
| 23 | type Code string |
| 24 | |
| 25 | const ( |
| 26 | UnknownOwner Code = "unknown_owner" |
| 27 | ConfirmationRequired Code = "confirmation_required" |
| 28 | Cancelled Code = "cancelled" |
| 29 | ExitTimeout Code = "exit_timeout" |
| 30 | StartupFailed Code = "startup_failed" |
| 31 | OtherInstallation Code = "other_installation" |
| 32 | UnsupportedPortableLocation Code = "unsupported_portable_location" |
| 33 | ) |
| 34 | |
| 35 | type Error struct { |
| 36 | Code Code |
| 37 | Detail string |
| 38 | } |
| 39 | |
| 40 | func (e *Error) Error() string { return string(e.Code) + ": " + e.Detail } |
| 41 | |
| 42 | // NewUnsupportedPortableLocationError reports a portable launch from storage |
| 43 | // whose execution semantics cannot support the desktop service lifecycle. |
| 44 | func NewUnsupportedPortableLocationError(locationType string) error { |
| 45 | return outcome(UnsupportedPortableLocation, "%s\nlocation_type=%s", unsupportedPortableLocationMessage, portableLocationType(locationType)) |
| 46 | } |
| 47 | |
| 48 | func portableLocationType(locationType string) string { |
| 49 | switch locationType { |
| 50 | case "unc", "remote_drive": |
| 51 | return locationType |
| 52 | default: |
| 53 | return "unknown" |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | // ExitCode preserves a machine-readable distinction for silent installers. |
| 58 | func ExitCode(err error) int { |
| 59 | if err == nil { |
| 60 | return 0 |
| 61 | } |
| 62 | var failure *Error |
| 63 | if errors.As(err, &failure) { |
| 64 | switch failure.Code { |
| 65 | case Cancelled: |
| 66 | return 1602 |
| 67 | case ConfirmationRequired, OtherInstallation, UnknownOwner, ExitTimeout: |
| 68 | return 1618 |
| 69 | case StartupFailed: |
| 70 | return 1603 |
| 71 | } |
| 72 | } |
| 73 | return 1 |
| 74 | } |
| 75 | |
| 76 | type Status struct { |
| 77 | SchemaVersion int `json:"schemaVersion"` |
| 78 | Product string `json:"product"` |
| 79 | PID uint32 `json:"pid"` |
| 80 | Version string `json:"version"` |
| 81 | Generation string `json:"generation"` |
| 82 | HomeKey string `json:"homeKey"` |
| 83 | Lifecycle string `json:"lifecycle"` |
| 84 | Service string `json:"service"` |
| 85 | ServicePID uint32 `json:"servicePID"` |
| 86 | Visible bool `json:"visible"` |
| 87 | RendererVersion string `json:"rendererVersion"` |
| 88 | Healthy bool `json:"healthy"` |
| 89 | } |
| 90 | |
| 91 | func DecodeStatus(data []byte, pid uint32) (Status, error) { |
| 92 | var s Status |
| 93 | if len(data) > StatusLimit { |
| 94 | return s, errors.New("shell status exceeds limit") |
| 95 | } |
| 96 | if err := json.Unmarshal(data, &s); err != nil { |
| 97 | return s, err |
| 98 | } |
| 99 | if s.SchemaVersion != 1 || s.Product != "com.reasonix.desktop" || s.PID != pid || s.Generation == "" || len(s.HomeKey) != 64 || s.Version == "" { |
| 100 | return s, errors.New("unverified shell status identity") |
| 101 | } |
| 102 | if _, err := hex.DecodeString(s.HomeKey); err != nil { |
| 103 | return s, err |
| 104 | } |
| 105 | switch s.Lifecycle { |
| 106 | case "starting", "ready", "failed", "quitting", "done": |
| 107 | default: |
| 108 | return s, errors.New("unknown shell lifecycle") |
| 109 | } |
| 110 | switch s.Service { |
| 111 | case "starting", "restarting", "ready", "failed", "exited": |
| 112 | default: |
| 113 | return s, errors.New("unknown service state") |
| 114 | } |
| 115 | return s, nil |
| 116 | } |
| 117 | |
| 118 | func (s Status) Ready(version string) bool { |
| 119 | return s.Lifecycle == "ready" && s.Service == "ready" && s.ServicePID != 0 && s.Visible && s.Healthy && s.RendererVersion == s.Version && (version == "" || s.Version == version) |
| 120 | } |
| 121 | |
| 122 | func ProfileKey(profile string) string { |
| 123 | sum := sha256.Sum256([]byte(strings.ToLower(strings.ReplaceAll(profile, "/", `\`)))) |
| 124 | return hex.EncodeToString(sum[:]) |
| 125 | } |
| 126 | |
| 127 | // ImageRole accepts only installed product paths, never a process-name match. |
| 128 | func ImageRole(root, image string) string { |
| 129 | rel, err := filepath.Rel(root, image) |
| 130 | if err != nil { |
| 131 | return "" |
| 132 | } |
| 133 | parts := strings.Split(strings.ToLower(filepath.ToSlash(rel)), "/") |
| 134 | if len(parts) >= 3 && parts[0] == "versions" { |
| 135 | if installlayout.ValidateVersionName(parts[1]) != nil { |
| 136 | return "" |
| 137 | } |
| 138 | parts = parts[2:] |
| 139 | } |
| 140 | switch strings.Join(parts, "/") { |
| 141 | case "app/reasonix.exe": |
| 142 | return "shell" |
| 143 | case "reasonix-desktop.exe": |
| 144 | return "service" |
| 145 | case "app/resources/service/reasonix-desktop.exe": |
| 146 | return "service" |
| 147 | } |
| 148 | return "" |
| 149 | } |
| 150 | |
| 151 | func outcome(code Code, detail string, args ...any) error { |
| 152 | return &Error{code, fmt.Sprintf(detail, args...)} |
| 153 | } |
| 154 |