| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "archive/tar" |
| 5 | "bytes" |
| 6 | "compress/gzip" |
| 7 | "context" |
| 8 | "crypto/sha256" |
| 9 | "encoding/hex" |
| 10 | "encoding/json" |
| 11 | "errors" |
| 12 | "fmt" |
| 13 | "io" |
| 14 | "net/http" |
| 15 | "net/url" |
| 16 | "os" |
| 17 | "os/exec" |
| 18 | "path" |
| 19 | "path/filepath" |
| 20 | "regexp" |
| 21 | "runtime" |
| 22 | "strconv" |
| 23 | "strings" |
| 24 | "time" |
| 25 | |
| 26 | "golang.org/x/mod/semver" |
| 27 | |
| 28 | "reasonix/desktop/internal/update" |
| 29 | "reasonix/internal/config" |
| 30 | "reasonix/internal/installlayout" |
| 31 | "reasonix/internal/netclient" |
| 32 | "reasonix/internal/repair" |
| 33 | ) |
| 34 | |
| 35 | // updater.go is the transport-free core of the desktop auto-updater: manifest |
| 36 | // fetch, version comparison, signed download, and per-platform apply/relaunch. It |
| 37 | // has no Wails dependency so the logic is unit-tested directly; updater_app.go is |
| 38 | // the thin Wails binding that wires these into App methods and progress events. |
| 39 | |
| 40 | // Manifest endpoints — R2 CDN first (fast, especially in CN), then the crash |
| 41 | // worker release gateway, then GitHub as the stable channel's last resort. The |
| 42 | // selected update channel picks the rolling pointer; it is user-configurable and |
| 43 | // independent from the build channel embedded for diagnostics/backcompat. The |
| 44 | // gateway still avoids GitHub's repository-wide /releases/latest shortcut so the |
| 45 | // app is not coupled to GitHub's homepage badge semantics. |
| 46 | const ( |
| 47 | r2Base = "https://dl.reasonix.io" |
| 48 | releaseGatewayBase = "https://crash.reasonix.io/v1/desktop/releases" |
| 49 | downloadPageURL = "https://reasonix.io/#start" |
| 50 | manifestDownloadPageURL = "https://reasonix.io/?download=desktop#start" |
| 51 | httpTimeout = 15 * time.Second |
| 52 | manifestEndpointTimeout = 5 * time.Second |
| 53 | maxDesktopReleaseAssetSize = int64(1 << 30) |
| 54 | maxDesktopManifestSize = int64(1 << 20) |
| 55 | maxDesktopSignatureSize = int64(64 << 10) |
| 56 | ) |
| 57 | |
| 58 | var fetchAttemptTimeout = 5 * time.Second |
| 59 | |
| 60 | var ( |
| 61 | stableDesktopVersionRE = regexp.MustCompile(`^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$`) |
| 62 | sha256RE = regexp.MustCompile(`^[0-9a-f]{64}$`) |
| 63 | ) |
| 64 | |
| 65 | type requiredDesktopAsset struct { |
| 66 | group string |
| 67 | key string |
| 68 | filename string |
| 69 | } |
| 70 | |
| 71 | var ( |
| 72 | requiredDesktopUpdaterAssets = []requiredDesktopAsset{ |
| 73 | {group: "platforms", key: "darwin-arm64", filename: "Reasonix-darwin-arm64.zip"}, |
| 74 | {group: "platforms", key: "darwin-amd64", filename: "Reasonix-darwin-amd64.zip"}, |
| 75 | {group: "platforms", key: "windows-amd64", filename: "Reasonix-windows-amd64-installer.exe"}, |
| 76 | {group: "platforms", key: "windows-arm64", filename: "Reasonix-windows-arm64-installer.exe"}, |
| 77 | {group: "platforms", key: "linux-amd64", filename: "Reasonix-linux-amd64.tar.gz"}, |
| 78 | {group: "native_packages", key: "linux-amd64", filename: "Reasonix-linux-amd64.deb"}, |
| 79 | } |
| 80 | requiredDesktopDownloadAssets = []requiredDesktopAsset{ |
| 81 | {group: "downloads", key: "Reasonix-darwin-universal.dmg", filename: "Reasonix-darwin-universal.dmg"}, |
| 82 | {group: "downloads", key: "Reasonix-windows-amd64.zip", filename: "Reasonix-windows-amd64.zip"}, |
| 83 | } |
| 84 | ) |
| 85 | |
| 86 | // githubManifestFallback is the stable channel's last-resort manifest source. |
| 87 | // dl.reasonix.io and crash.reasonix.io share one Cloudflare zone, so bot |
| 88 | // protection that 403s a user's egress IP takes out both first-party endpoints |
| 89 | // at once (#6005); GitHub is separate infrastructure. Stable desktop releases |
| 90 | // own the repo-wide latest badge and publish latest.json directly, while |
| 91 | // The unified official Release carries the desktop manifest as a final fallback |
| 92 | // when both first-party endpoints are unavailable. |
| 93 | const githubManifestFallback = "https://github.com/esengine/DeepSeek-Reasonix/releases/latest/download/latest.json" |
| 94 | |
| 95 | func normalizeUpdateChannel(ch string) string { |
| 96 | return config.NormalizeDesktopUpdateChannel(ch) |
| 97 | } |
| 98 | |
| 99 | func configuredUpdateChannel() string { |
| 100 | cfg, err := config.Load() |
| 101 | if err != nil { |
| 102 | return "stable" |
| 103 | } |
| 104 | return cfg.DesktopUpdateChannel() |
| 105 | } |
| 106 | |
| 107 | func targetUpdateChannel(selected string) string { |
| 108 | _ = selected |
| 109 | return configuredUpdateChannel() |
| 110 | } |
| 111 | |
| 112 | func runningUpdateChannel() string { |
| 113 | return normalizeUpdateChannel(channel) |
| 114 | } |
| 115 | |
| 116 | // manifestEndpoints returns the manifest URLs for the selected update channel, |
| 117 | // in the order fetchManifest tries them. |
| 118 | func manifestEndpoints(selected string) []string { |
| 119 | _ = selected |
| 120 | return []string{ |
| 121 | r2Base + "/latest/latest.json", |
| 122 | releaseGatewayBase + "/stable/latest.json", |
| 123 | githubManifestFallback, |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | // updaterUserAgent identifies updater traffic. Go's default Go-http-client UA |
| 128 | // is exactly what edge bot protection scores worst (#6005); a descriptive UA |
| 129 | // lets the release edge allowlist updater requests and makes them attributable |
| 130 | // in server logs. |
| 131 | func updaterUserAgent(selected string) string { |
| 132 | return fmt.Sprintf("Reasonix-Updater/%s (%s/%s; build=%s; update=%s)", version, runtime.GOOS, runtime.GOARCH, channel, normalizeUpdateChannel(selected)) |
| 133 | } |
| 134 | |
| 135 | // downloadPage is the human-facing releases page shown when self-update is |
| 136 | // unavailable (macOS) or the manifest omits its own link. |
| 137 | func downloadPage(selected string) string { |
| 138 | _ = selected |
| 139 | u, _ := url.Parse(downloadPageURL) |
| 140 | query := u.Query() |
| 141 | query.Set("download", "desktop") |
| 142 | query.Del("channel") |
| 143 | u.RawQuery = query.Encode() |
| 144 | return u.String() |
| 145 | } |
| 146 | |
| 147 | func manifestDownloadPage(selected, manifestPage string) string { |
| 148 | manifestPage = strings.TrimSpace(manifestPage) |
| 149 | if manifestPage == "" { |
| 150 | return downloadPage(selected) |
| 151 | } |
| 152 | u, err := url.Parse(manifestPage) |
| 153 | if err != nil || |
| 154 | u.Scheme != "https" || |
| 155 | u.Hostname() == "" || |
| 156 | u.User != nil { |
| 157 | return downloadPage(selected) |
| 158 | } |
| 159 | host := strings.ToLower(u.Hostname()) |
| 160 | if host != "reasonix.io" && !strings.HasSuffix(host, ".reasonix.io") { |
| 161 | return u.String() |
| 162 | } |
| 163 | query := u.Query() |
| 164 | query.Set("download", "desktop") |
| 165 | query.Del("channel") |
| 166 | u.RawQuery = query.Encode() |
| 167 | u.Fragment = "start" |
| 168 | return u.String() |
| 169 | } |
| 170 | |
| 171 | // UpdateInfo is the CheckUpdate result that drives the frontend's update banner. |
| 172 | type UpdateInfo struct { |
| 173 | Available bool `json:"available"` |
| 174 | Current string `json:"current"` |
| 175 | Latest string `json:"latest"` |
| 176 | Notes string `json:"notes"` |
| 177 | Channel string `json:"channel"` |
| 178 | CanSelfUpdate bool `json:"canSelfUpdate"` // win/linux true; macOS true only for signed/notarized builds |
| 179 | ManualOnly bool `json:"manualOnly,omitempty"` |
| 180 | ManualReason string `json:"manualReason,omitempty"` |
| 181 | InstallMode string `json:"installMode"` // portable | deb | manual |
| 182 | RequiresElevation bool `json:"requiresElevation,omitempty"` // deb/Polkit path |
| 183 | Downloaded bool `json:"downloaded"` |
| 184 | DownloadURL string `json:"downloadUrl"` // human-facing releases page (macOS path / fallback link) |
| 185 | AssetSize int64 `json:"assetSize"` // running platform's artifact size, for the progress bar |
| 186 | Err string `json:"err,omitempty"` // set when the check itself failed (both endpoints down) |
| 187 | } |
| 188 | |
| 189 | // UpdateDownloadResult is returned after an artifact has been downloaded, |
| 190 | // verified, and stored in the local updater cache. |
| 191 | type UpdateDownloadResult struct { |
| 192 | RequestID string `json:"requestId"` |
| 193 | Version string `json:"version"` |
| 194 | Channel string `json:"channel"` |
| 195 | Path string `json:"path"` |
| 196 | Size int64 `json:"size"` |
| 197 | SHA256 string `json:"sha256"` |
| 198 | } |
| 199 | |
| 200 | // updateProgress is the payload of the "updater:progress" Wails event emitted |
| 201 | // throughout DownloadUpdate / InstallUpdate. |
| 202 | type updateProgress struct { |
| 203 | RequestID string `json:"requestId"` |
| 204 | Version string `json:"version"` |
| 205 | Channel string `json:"channel"` |
| 206 | Phase string `json:"phase"` // downloading | verifying | downloaded | authorizing | recovering | installing | done | error |
| 207 | Received int64 `json:"received"` |
| 208 | Total int64 `json:"total"` |
| 209 | Err string `json:"err,omitempty"` |
| 210 | } |
| 211 | |
| 212 | func httpClient() (*http.Client, error) { return newHTTPClient(false) } |
| 213 | |
| 214 | // httpClientIPv4 pins the dialer to IPv4 — the download fallback when the default |
| 215 | // (often IPv6-first) route to Cloudflare keeps resetting mid-transfer. |
| 216 | func httpClientIPv4() (*http.Client, error) { return newHTTPClient(true) } |
| 217 | |
| 218 | func newHTTPClient(forceIPv4 bool) (*http.Client, error) { |
| 219 | cfg, err := config.Load() |
| 220 | if err != nil { |
| 221 | return nil, err |
| 222 | } |
| 223 | c, err := netclient.NewHTTPClient(cfg.NetworkProxySpec(), netclient.TransportOptions{ForceIPv4: forceIPv4}) |
| 224 | if err != nil { |
| 225 | return nil, err |
| 226 | } |
| 227 | c.CheckRedirect = validateUpdateRedirect |
| 228 | return c, nil |
| 229 | } |
| 230 | |
| 231 | func validateUpdateRedirect(req *http.Request, via []*http.Request) error { |
| 232 | if len(via) >= 10 { |
| 233 | return errors.New("update: stopped after 10 redirects") |
| 234 | } |
| 235 | if req == nil || req.URL == nil { |
| 236 | return errors.New("update: redirect has no target URL") |
| 237 | } |
| 238 | if !strings.EqualFold(req.URL.Scheme, "https") { |
| 239 | return fmt.Errorf("update: refusing redirect to non-HTTPS URL %q", req.URL.String()) |
| 240 | } |
| 241 | if req.URL.Hostname() == "" { |
| 242 | return fmt.Errorf("update: refusing redirect without a hostname %q", req.URL.String()) |
| 243 | } |
| 244 | if req.URL.User != nil { |
| 245 | return fmt.Errorf("update: refusing redirect with userinfo %q", req.URL.String()) |
| 246 | } |
| 247 | if req.URL.Port() != "" || !isTrustedUpdateRedirectHost(req.URL.Hostname()) { |
| 248 | return fmt.Errorf("update: refusing redirect to untrusted host %q", req.URL.Host) |
| 249 | } |
| 250 | return nil |
| 251 | } |
| 252 | |
| 253 | func isTrustedUpdateRedirectHost(host string) bool { |
| 254 | host = strings.ToLower(strings.TrimSuffix(strings.TrimSpace(host), ".")) |
| 255 | return host == "reasonix.io" || |
| 256 | strings.HasSuffix(host, ".reasonix.io") || |
| 257 | host == "github.com" || |
| 258 | strings.HasSuffix(host, ".githubusercontent.com") |
| 259 | } |
| 260 | |
| 261 | // canSelfUpdate reports whether in-place update is possible. Windows and Linux |
| 262 | // can replace the verified artifact directly; macOS requires an explicitly |
| 263 | // signed/notarized build flag so local or ad-hoc builds stay manual. |
| 264 | func canSelfUpdate() bool { |
| 265 | return runtime.GOOS != "darwin" || macSelfUpdateAllowed() |
| 266 | } |
| 267 | |
| 268 | func manualUpdateReason() string { |
| 269 | if runtime.GOOS == "darwin" && !macSelfUpdateAllowed() { |
| 270 | return "macOS automatic updates require a Developer ID signed and notarized build" |
| 271 | } |
| 272 | return "" |
| 273 | } |
| 274 | |
| 275 | // normalizeVersion canonicalizes a version to semver "vX.Y.Z". It reports ok=false |
| 276 | // for the un-injected "dev" build (and anything not valid semver), so a dev build |
| 277 | // never prompts to update. |
| 278 | func normalizeVersion(v string) (string, bool) { |
| 279 | v = strings.TrimSpace(v) |
| 280 | if v == "" || v == "dev" { |
| 281 | return "", false |
| 282 | } |
| 283 | if !strings.HasPrefix(v, "v") { |
| 284 | v = "v" + v |
| 285 | } |
| 286 | if !semver.IsValid(v) { |
| 287 | return "", false |
| 288 | } |
| 289 | return semver.Canonical(v), true |
| 290 | } |
| 291 | |
| 292 | // validateManifestChannel rejects every prerelease. The selected value remains |
| 293 | // in the signature for compatibility with existing callers. |
| 294 | func validateManifestChannel(selected string, m *update.Manifest) error { |
| 295 | _ = selected |
| 296 | if !stableDesktopVersionRE.MatchString(m.Version) { |
| 297 | return fmt.Errorf("official manifest has invalid release version %q", m.Version) |
| 298 | } |
| 299 | return nil |
| 300 | } |
| 301 | |
| 302 | func desktopReleaseTag(_ string, version string) string { |
| 303 | return "desktop-" + version |
| 304 | } |
| 305 | |
| 306 | func desktopAssetBases(selected, version string, allowLegacyPreview bool) []string { |
| 307 | _ = selected |
| 308 | _ = allowLegacyPreview |
| 309 | tag := desktopReleaseTag(selected, version) |
| 310 | return []string{ |
| 311 | fmt.Sprintf("%s/%s/", r2Base, tag), |
| 312 | fmt.Sprintf("https://github.com/esengine/DeepSeek-Reasonix/releases/download/%s/", tag), |
| 313 | fmt.Sprintf("https://github.com/esengine/DeepSeek-Reasonix/releases/download/%s/", version), |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | func validateManifestAsset(selected, version, filename string, asset update.Asset, allowLegacyPreview bool) (string, error) { |
| 318 | base := "" |
| 319 | for _, candidate := range desktopAssetBases(selected, version, allowLegacyPreview) { |
| 320 | if asset.URL == candidate+filename { |
| 321 | base = candidate |
| 322 | break |
| 323 | } |
| 324 | } |
| 325 | if base == "" { |
| 326 | return "", fmt.Errorf("asset URL %q is not the official %s path for %s", asset.URL, normalizeUpdateChannel(selected), filename) |
| 327 | } |
| 328 | if asset.Sig != asset.URL+".minisig" { |
| 329 | return "", fmt.Errorf("asset signature URL %q does not match %q", asset.Sig, asset.URL+".minisig") |
| 330 | } |
| 331 | if asset.Size <= 0 || asset.Size > maxDesktopReleaseAssetSize { |
| 332 | return "", fmt.Errorf("asset %s has invalid size %d", filename, asset.Size) |
| 333 | } |
| 334 | if !sha256RE.MatchString(asset.SHA256) { |
| 335 | return "", fmt.Errorf("asset %s has invalid SHA-256 %q", filename, asset.SHA256) |
| 336 | } |
| 337 | if err := validateAssetInstallLayout(asset.InstallLayout); err != nil { |
| 338 | return "", err |
| 339 | } |
| 340 | return base, nil |
| 341 | } |
| 342 | |
| 343 | // validateAssetInstallLayout accepts the pre-v1.20 empty layout (flat install) |
| 344 | // and the v1.20+ versioned-v1 layout. Unknown values must fail closed so a new |
| 345 | // client never partially installs an unrecognized package shape. |
| 346 | func validateAssetInstallLayout(layout string) error { |
| 347 | switch strings.TrimSpace(layout) { |
| 348 | case "", installlayout.InstallLayoutVersionedV1: |
| 349 | return nil |
| 350 | default: |
| 351 | return fmt.Errorf("unsupported install_layout %q (keeping current version)", layout) |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | func validateDesktopManifest(selected string, m *update.Manifest) error { |
| 356 | selected = normalizeUpdateChannel(selected) |
| 357 | if err := validateManifestChannel(selected, m); err != nil { |
| 358 | return err |
| 359 | } |
| 360 | if m.DownloadPage != manifestDownloadPageURL { |
| 361 | return fmt.Errorf("%s manifest has invalid download page %q", selected, m.DownloadPage) |
| 362 | } |
| 363 | // Older public manifests predate the two website-only download assets. Keep |
| 364 | // accepting their six signed updater artifacts so an upgrade to the first |
| 365 | // single-channel release does not strand existing users. Once downloads is |
| 366 | // present it is a new-format manifest and all eight assets are mandatory. |
| 367 | legacyManifest := m.Downloads == nil |
| 368 | requiredAssets := append([]requiredDesktopAsset(nil), requiredDesktopUpdaterAssets...) |
| 369 | if !legacyManifest { |
| 370 | requiredAssets = append(requiredAssets, requiredDesktopDownloadAssets...) |
| 371 | } |
| 372 | base := "" |
| 373 | for _, required := range requiredAssets { |
| 374 | var assets map[string]update.Asset |
| 375 | switch required.group { |
| 376 | case "platforms": |
| 377 | assets = m.Platforms |
| 378 | case "native_packages": |
| 379 | assets = m.NativePackages |
| 380 | case "downloads": |
| 381 | assets = m.Downloads |
| 382 | default: |
| 383 | return fmt.Errorf("unsupported manifest asset group %q", required.group) |
| 384 | } |
| 385 | asset, ok := assets[required.key] |
| 386 | if !ok { |
| 387 | return fmt.Errorf("%s manifest has no %s asset for %s", selected, required.group, required.key) |
| 388 | } |
| 389 | assetBase, err := validateManifestAsset(selected, m.Version, required.filename, asset, legacyManifest) |
| 390 | if err != nil { |
| 391 | return fmt.Errorf("%s %s asset: %w", required.group, required.key, err) |
| 392 | } |
| 393 | if base != "" && assetBase != base { |
| 394 | return fmt.Errorf("%s manifest mixes asset bases %q and %q", selected, base, assetBase) |
| 395 | } |
| 396 | base = assetBase |
| 397 | } |
| 398 | return nil |
| 399 | } |
| 400 | |
| 401 | // fetchManifest pulls latest.json from each endpoint in order until one both |
| 402 | // responds, decodes, and matches an official release. Every endpoint's |
| 403 | // failure is kept — a user staring at a gateway 403 (#6005) needs to see that |
| 404 | // the R2 pointer failed too, not just whichever endpoint happened to die last. |
| 405 | func fetchManifest(ctx context.Context, c, fallback *http.Client, selected string) (*update.Manifest, error) { |
| 406 | var errs []error |
| 407 | selected = normalizeUpdateChannel(selected) |
| 408 | for _, url := range manifestEndpoints(selected) { |
| 409 | endpointCtx, cancel := context.WithTimeout(ctx, manifestEndpointTimeout) |
| 410 | b, err := fetchManifestBytes(endpointCtx, c, fallback, selected, url) |
| 411 | cancel() |
| 412 | if err != nil { |
| 413 | errs = append(errs, err) |
| 414 | continue |
| 415 | } |
| 416 | var m update.Manifest |
| 417 | if err := json.Unmarshal(b, &m); err != nil { |
| 418 | errs = append(errs, fmt.Errorf("%s: %w", url, err)) |
| 419 | continue |
| 420 | } |
| 421 | if err := validateDesktopManifest(selected, &m); err != nil { |
| 422 | errs = append(errs, fmt.Errorf("%s: %w", url, err)) |
| 423 | continue |
| 424 | } |
| 425 | return &m, nil |
| 426 | } |
| 427 | return nil, fmt.Errorf("update: fetch manifest: %w", errors.Join(errs...)) |
| 428 | } |
| 429 | |
| 430 | // fetchManifestBytes gives the default and IPv4 transports separate halves of |
| 431 | // the endpoint budget. A stalled IPv6 dial must not consume the whole timeout |
| 432 | // before the IPv4 fallback gets a chance to run (#6713). |
| 433 | func fetchManifestBytes(ctx context.Context, c, fallback *http.Client, selected, url string) ([]byte, error) { |
| 434 | attemptTimeout := manifestEndpointTimeout / 2 |
| 435 | attemptCtx, cancel := context.WithTimeout(ctx, attemptTimeout) |
| 436 | data, err := fetchBytesOnce(attemptCtx, c, selected, url, maxDesktopManifestSize) |
| 437 | cancel() |
| 438 | if err == nil || !isTransientFetchError(err) || fallback == nil { |
| 439 | return data, err |
| 440 | } |
| 441 | attemptCtx, cancel = context.WithTimeout(ctx, attemptTimeout) |
| 442 | fallbackData, fallbackErr := fetchBytesOnce(attemptCtx, fallback, selected, url, maxDesktopManifestSize) |
| 443 | cancel() |
| 444 | if fallbackErr == nil { |
| 445 | return fallbackData, nil |
| 446 | } |
| 447 | return nil, errors.Join(err, fallbackErr) |
| 448 | } |
| 449 | |
| 450 | // evaluateForChannel compares the running version against the selected channel's |
| 451 | // manifest and builds the frontend-facing result. I/O is limited to install-profile |
| 452 | // detection and cache probes so tests can inject a fixed profile below. |
| 453 | func evaluateForChannel(current, selected string, m *update.Manifest) UpdateInfo { |
| 454 | return evaluateWithProfileForChannel(current, selected, m, profileForManifest(detectInstallProfile(), m)) |
| 455 | } |
| 456 | |
| 457 | func evaluateWithProfile(current string, m *update.Manifest, profile installProfile) UpdateInfo { |
| 458 | return evaluateWithProfileForChannel(current, runningUpdateChannel(), m, profile) |
| 459 | } |
| 460 | |
| 461 | // evaluateWithProfileForChannel is the pure comparison core once the install |
| 462 | // profile and selected update channel are known. |
| 463 | func evaluateWithProfileForChannel(current, selected string, m *update.Manifest, profile installProfile) UpdateInfo { |
| 464 | selected = normalizeUpdateChannel(selected) |
| 465 | page := manifestDownloadPage(selected, m.DownloadPage) |
| 466 | info := UpdateInfo{ |
| 467 | Current: current, |
| 468 | Latest: m.Version, |
| 469 | Notes: m.Notes, |
| 470 | Channel: selected, |
| 471 | CanSelfUpdate: profile.CanSelfUpdate, |
| 472 | ManualOnly: !profile.CanSelfUpdate, |
| 473 | ManualReason: profile.ManualReason, |
| 474 | InstallMode: profile.Mode, |
| 475 | RequiresElevation: profile.RequiresElev, |
| 476 | DownloadURL: page, |
| 477 | } |
| 478 | // Preserve the pre-existing macOS gate when profile detection would otherwise |
| 479 | // claim portable self-update on an unsigned build. |
| 480 | if runtime.GOOS == "darwin" && !canSelfUpdate() { |
| 481 | info.CanSelfUpdate = false |
| 482 | info.ManualOnly = true |
| 483 | info.RequiresElevation = false |
| 484 | info.InstallMode = installModeManual |
| 485 | if info.ManualReason == "" { |
| 486 | info.ManualReason = manualUpdateReason() |
| 487 | } |
| 488 | } |
| 489 | cur, okCur := normalizeVersion(current) |
| 490 | latest, okLatest := normalizeVersion(m.Version) |
| 491 | if !okLatest { |
| 492 | info.Err = "manifest has no valid version" |
| 493 | return info |
| 494 | } |
| 495 | // A dev/invalid running version never auto-prompts. Within a channel, only a |
| 496 | // newer semver is an update. Across channels, a different target latest is an |
| 497 | // explicit channel switch, so allow installing stable over a newer preview. |
| 498 | if okCur { |
| 499 | if selected != runningUpdateChannel() { |
| 500 | info.Available = latest != cur |
| 501 | } else if semver.Compare(latest, cur) > 0 { |
| 502 | info.Available = true |
| 503 | } |
| 504 | } |
| 505 | if a, kind, ok := selectUpdateAsset(m, profile); ok { |
| 506 | info.AssetSize = a.Size |
| 507 | info.Downloaded = cachedUpdateMatchesForChannel(selected, m.Version, a, kind) |
| 508 | } else if a, ok := m.Asset(); ok { |
| 509 | // Manual installs (or a missing native package) still surface the portable |
| 510 | // artifact size so the UI can show how large the download is on the page. |
| 511 | info.AssetSize = a.Size |
| 512 | } |
| 513 | return info |
| 514 | } |
| 515 | |
| 516 | type cachedUpdate struct { |
| 517 | Version string `json:"version"` |
| 518 | Channel string `json:"channel"` |
| 519 | Platform string `json:"platform"` |
| 520 | Path string `json:"path"` |
| 521 | Size int64 `json:"size"` |
| 522 | SHA256 string `json:"sha256"` |
| 523 | DownloadedAt string `json:"downloadedAt"` |
| 524 | ArtifactKind string `json:"artifactKind,omitempty"` // tarball | deb |
| 525 | SignaturePath string `json:"signaturePath,omitempty"` // required for deb |
| 526 | } |
| 527 | |
| 528 | var updateCacheBaseDir = defaultUpdateCacheBaseDir |
| 529 | |
| 530 | func defaultUpdateCacheBaseDir() (string, error) { |
| 531 | if cd := config.CacheDir(); cd != "" { |
| 532 | return filepath.Join(cd, "updates"), nil |
| 533 | } |
| 534 | base, err := os.UserCacheDir() |
| 535 | if err != nil { |
| 536 | base = os.TempDir() |
| 537 | } |
| 538 | return filepath.Join(base, "Reasonix", "updates"), nil |
| 539 | } |
| 540 | |
| 541 | func updateCacheDir() (string, error) { |
| 542 | dir, err := updateCacheBaseDir() |
| 543 | if err != nil { |
| 544 | return "", err |
| 545 | } |
| 546 | if err := os.MkdirAll(dir, 0o700); err != nil { |
| 547 | return "", err |
| 548 | } |
| 549 | return dir, nil |
| 550 | } |
| 551 | |
| 552 | func updateMetadataPath() (string, error) { |
| 553 | dir, err := updateCacheDir() |
| 554 | if err != nil { |
| 555 | return "", err |
| 556 | } |
| 557 | return filepath.Join(dir, "downloaded.json"), nil |
| 558 | } |
| 559 | |
| 560 | func assetFileName(asset update.Asset, version string) string { |
| 561 | if u, err := url.Parse(asset.URL); err == nil { |
| 562 | if base := filepath.Base(u.Path); base != "." && base != "/" { |
| 563 | return base |
| 564 | } |
| 565 | } |
| 566 | clean := strings.NewReplacer("/", "-", "\\", "-", ":", "-", " ", "-").Replace(version) |
| 567 | return "Reasonix-" + clean + "-" + update.CurrentPlatform() + ".update" |
| 568 | } |
| 569 | |
| 570 | func writeAtomic(path string, data []byte, mode os.FileMode) error { |
| 571 | tmp, err := os.CreateTemp(filepath.Dir(path), "."+filepath.Base(path)+".tmp-*") |
| 572 | if err != nil { |
| 573 | return err |
| 574 | } |
| 575 | name := tmp.Name() |
| 576 | if _, err := tmp.Write(data); err != nil { |
| 577 | tmp.Close() |
| 578 | _ = os.Remove(name) |
| 579 | return err |
| 580 | } |
| 581 | if err := tmp.Sync(); err != nil { |
| 582 | tmp.Close() |
| 583 | _ = os.Remove(name) |
| 584 | return err |
| 585 | } |
| 586 | if err := tmp.Chmod(mode); err != nil { |
| 587 | tmp.Close() |
| 588 | _ = os.Remove(name) |
| 589 | return err |
| 590 | } |
| 591 | if err := tmp.Close(); err != nil { |
| 592 | _ = os.Remove(name) |
| 593 | return err |
| 594 | } |
| 595 | if err := os.Rename(name, path); err != nil { |
| 596 | _ = os.Remove(name) |
| 597 | return err |
| 598 | } |
| 599 | return nil |
| 600 | } |
| 601 | |
| 602 | func saveCachedUpdate(version string, asset update.Asset, data []byte, kind string, signature []byte) (*cachedUpdate, error) { |
| 603 | return saveCachedUpdateForChannel(runningUpdateChannel(), version, asset, data, kind, signature) |
| 604 | } |
| 605 | |
| 606 | func saveCachedUpdateForChannel(selected, version string, asset update.Asset, data []byte, kind string, signature []byte) (*cachedUpdate, error) { |
| 607 | selected = normalizeUpdateChannel(selected) |
| 608 | if err := checkSHA256(data, asset.SHA256); err != nil { |
| 609 | return nil, err |
| 610 | } |
| 611 | kind = artifactKindFromMeta(kind) |
| 612 | dir, err := updateCacheDir() |
| 613 | if err != nil { |
| 614 | return nil, err |
| 615 | } |
| 616 | path := filepath.Join(dir, assetFileName(asset, version)) |
| 617 | if err := writeAtomic(path, data, 0o600); err != nil { |
| 618 | return nil, err |
| 619 | } |
| 620 | meta := &cachedUpdate{ |
| 621 | Version: version, |
| 622 | Channel: selected, |
| 623 | Platform: update.CurrentPlatform(), |
| 624 | Path: path, |
| 625 | Size: int64(len(data)), |
| 626 | SHA256: asset.SHA256, |
| 627 | DownloadedAt: time.Now().UTC().Format(time.RFC3339), |
| 628 | ArtifactKind: kind, |
| 629 | } |
| 630 | if kind == artifactKindDeb { |
| 631 | if len(signature) == 0 { |
| 632 | return nil, fmt.Errorf("update: deb cache requires a signature") |
| 633 | } |
| 634 | sigPath := path + ".minisig" |
| 635 | if err := writeAtomic(sigPath, signature, 0o600); err != nil { |
| 636 | return nil, err |
| 637 | } |
| 638 | meta.SignaturePath = sigPath |
| 639 | } |
| 640 | raw, err := json.MarshalIndent(meta, "", " ") |
| 641 | if err != nil { |
| 642 | return nil, err |
| 643 | } |
| 644 | metadataPath, err := updateMetadataPath() |
| 645 | if err != nil { |
| 646 | return nil, err |
| 647 | } |
| 648 | if err := writeAtomic(metadataPath, append(raw, '\n'), 0o600); err != nil { |
| 649 | return nil, err |
| 650 | } |
| 651 | return meta, nil |
| 652 | } |
| 653 | |
| 654 | func loadCachedUpdate() (*cachedUpdate, error) { |
| 655 | path, err := updateMetadataPath() |
| 656 | if err != nil { |
| 657 | return nil, err |
| 658 | } |
| 659 | raw, err := readFileUTF8(path) |
| 660 | if err != nil { |
| 661 | return nil, err |
| 662 | } |
| 663 | var meta cachedUpdate |
| 664 | if err := json.Unmarshal(raw, &meta); err != nil { |
| 665 | return nil, err |
| 666 | } |
| 667 | if meta.Version == "" || meta.Channel == "" || meta.Platform == "" || meta.Path == "" || meta.SHA256 == "" { |
| 668 | return nil, fmt.Errorf("update: cached metadata is incomplete") |
| 669 | } |
| 670 | return &meta, nil |
| 671 | } |
| 672 | |
| 673 | func cachedUpdateMatches(version string, asset update.Asset, kind string) bool { |
| 674 | return cachedUpdateMatchesForChannel(runningUpdateChannel(), version, asset, kind) |
| 675 | } |
| 676 | |
| 677 | func cachedUpdateMatchesForChannel(selected, version string, asset update.Asset, kind string) bool { |
| 678 | selected = normalizeUpdateChannel(selected) |
| 679 | meta, err := loadCachedUpdate() |
| 680 | if err != nil { |
| 681 | return false |
| 682 | } |
| 683 | kind = artifactKindFromMeta(kind) |
| 684 | metaKind := artifactKindFromMeta(meta.ArtifactKind) |
| 685 | // Legacy portable caches omit artifactKind and remain valid for tarball only. |
| 686 | // Deb installs never reuse a cache that lacks a matching signature file. |
| 687 | if kind == artifactKindDeb { |
| 688 | if metaKind != artifactKindDeb || meta.SignaturePath == "" { |
| 689 | return false |
| 690 | } |
| 691 | if _, err := os.Stat(meta.SignaturePath); err != nil { |
| 692 | return false |
| 693 | } |
| 694 | } else if metaKind != artifactKindTarball { |
| 695 | return false |
| 696 | } |
| 697 | return meta.Version == version && |
| 698 | meta.Channel == selected && |
| 699 | meta.Platform == update.CurrentPlatform() && |
| 700 | strings.EqualFold(meta.SHA256, asset.SHA256) && |
| 701 | meta.Size == asset.Size && |
| 702 | fileSHA256Matches(meta.Path, meta.SHA256) |
| 703 | } |
| 704 | |
| 705 | func fileSHA256Matches(path, want string) bool { |
| 706 | f, err := os.Open(path) |
| 707 | if err != nil { |
| 708 | return false |
| 709 | } |
| 710 | defer f.Close() |
| 711 | h := sha256.New() |
| 712 | if _, err := io.Copy(h, f); err != nil { |
| 713 | return false |
| 714 | } |
| 715 | return strings.EqualFold(hex.EncodeToString(h.Sum(nil)), want) |
| 716 | } |
| 717 | |
| 718 | func readVerifiedCachedUpdate() (*cachedUpdate, []byte, error) { |
| 719 | return readVerifiedCachedUpdateForChannel(runningUpdateChannel()) |
| 720 | } |
| 721 | |
| 722 | func readVerifiedCachedUpdateForChannel(selected string) (*cachedUpdate, []byte, error) { |
| 723 | selected = normalizeUpdateChannel(selected) |
| 724 | meta, err := loadCachedUpdate() |
| 725 | if err != nil { |
| 726 | return nil, nil, err |
| 727 | } |
| 728 | if meta.Channel != selected { |
| 729 | return nil, nil, fmt.Errorf("update: cached update is for %s channel, selected channel is %s", meta.Channel, selected) |
| 730 | } |
| 731 | if meta.Platform != update.CurrentPlatform() { |
| 732 | return nil, nil, fmt.Errorf("update: cached update is for %s, current platform is %s", meta.Platform, update.CurrentPlatform()) |
| 733 | } |
| 734 | data, err := os.ReadFile(meta.Path) |
| 735 | if err != nil { |
| 736 | return nil, nil, err |
| 737 | } |
| 738 | if err := checkSHA256(data, meta.SHA256); err != nil { |
| 739 | return nil, nil, err |
| 740 | } |
| 741 | meta.ArtifactKind = artifactKindFromMeta(meta.ArtifactKind) |
| 742 | if meta.ArtifactKind == artifactKindDeb { |
| 743 | if meta.SignaturePath == "" { |
| 744 | return nil, nil, fmt.Errorf("update: cached deb is missing its signature") |
| 745 | } |
| 746 | if _, err := os.Stat(meta.SignaturePath); err != nil { |
| 747 | return nil, nil, fmt.Errorf("update: cached deb signature is missing") |
| 748 | } |
| 749 | } |
| 750 | return meta, data, nil |
| 751 | } |
| 752 | |
| 753 | // downloadAttempts caps how many times a transient transport failure (connection |
| 754 | // reset, read timeout, gateway 5xx) is retried before the update gives up. CN IPv6 |
| 755 | // routes to Cloudflare reset mid-transfer often enough that a retry or two usually |
| 756 | // completes the download instead of surfacing a "forcibly closed" error. |
| 757 | const downloadAttempts = 3 |
| 758 | |
| 759 | // retryBackoff is the pause before the Nth retry; a package var so tests shrink it. |
| 760 | var retryBackoff = func(attempt int) time.Duration { return time.Duration(attempt) * 500 * time.Millisecond } |
| 761 | |
| 762 | // retryTransient runs attempt 1..downloadAttempts of fetch, pausing between tries, |
| 763 | // until one succeeds. fetch receives the 1-based attempt number so a caller can |
| 764 | // switch transports on a retry. It stops early when ctx is cancelled (window closed |
| 765 | // / user cancelled). Only the transport is retried; the signature and sha256 checks |
| 766 | // run downstream in downloadVerify and are not retried. |
| 767 | func retryTransient(ctx context.Context, fetch func(attempt int) error) error { |
| 768 | var err error |
| 769 | for attempt := 1; attempt <= downloadAttempts; attempt++ { |
| 770 | if err = fetch(attempt); err == nil { |
| 771 | return nil |
| 772 | } |
| 773 | if !isTransientFetchError(err) { |
| 774 | break |
| 775 | } |
| 776 | if ctx.Err() != nil || attempt == downloadAttempts { |
| 777 | break |
| 778 | } |
| 779 | select { |
| 780 | case <-ctx.Done(): |
| 781 | return ctx.Err() |
| 782 | case <-time.After(retryBackoff(attempt)): |
| 783 | } |
| 784 | } |
| 785 | return err |
| 786 | } |
| 787 | |
| 788 | type httpStatusError struct { |
| 789 | url string |
| 790 | status string |
| 791 | code int |
| 792 | } |
| 793 | |
| 794 | func (e *httpStatusError) Error() string { return fmt.Sprintf("GET %s: %s", e.url, e.status) } |
| 795 | |
| 796 | func isTransientFetchError(err error) bool { |
| 797 | if errors.Is(err, errUpdateResponseTooLarge) { |
| 798 | return false |
| 799 | } |
| 800 | var statusErr *httpStatusError |
| 801 | if !errors.As(err, &statusErr) { |
| 802 | return true |
| 803 | } |
| 804 | return statusErr.code == http.StatusRequestTimeout || statusErr.code == http.StatusTooManyRequests || statusErr.code >= 500 |
| 805 | } |
| 806 | |
| 807 | // fetchBytes GETs a URL fully into memory, retrying transient transport failures. |
| 808 | func fetchBytes(ctx context.Context, c *http.Client, url string) ([]byte, error) { |
| 809 | return fetchBytesFallbackForChannel(ctx, c, nil, runningUpdateChannel(), url) |
| 810 | } |
| 811 | |
| 812 | // fetchBytesFallback retries transport failures with the IPv4-pinned client. |
| 813 | // This covers small manifest/signature requests as well as the artifact body; |
| 814 | // previously only the large artifact download escaped a broken IPv6 route. |
| 815 | func fetchBytesFallback(ctx context.Context, c, fallback *http.Client, url string) ([]byte, error) { |
| 816 | return fetchBytesFallbackForChannel(ctx, c, fallback, runningUpdateChannel(), url) |
| 817 | } |
| 818 | |
| 819 | func fetchBytesFallbackForChannel(ctx context.Context, c, fallback *http.Client, selected, url string) ([]byte, error) { |
| 820 | return fetchBytesFallbackForChannelSized(ctx, c, fallback, selected, url, maxDesktopManifestSize) |
| 821 | } |
| 822 | |
| 823 | func fetchBytesFallbackForChannelSized( |
| 824 | ctx context.Context, |
| 825 | c, fallback *http.Client, |
| 826 | selected, url string, |
| 827 | maxBytes int64, |
| 828 | ) ([]byte, error) { |
| 829 | selected = normalizeUpdateChannel(selected) |
| 830 | var data []byte |
| 831 | err := retryTransient(ctx, func(attempt int) error { |
| 832 | client := c |
| 833 | if attempt > 1 && fallback != nil { |
| 834 | client = fallback |
| 835 | } |
| 836 | var e error |
| 837 | attemptCtx, cancel := context.WithTimeout(ctx, fetchAttemptTimeout) |
| 838 | data, e = fetchBytesOnce(attemptCtx, client, selected, url, maxBytes) |
| 839 | cancel() |
| 840 | return e |
| 841 | }) |
| 842 | return data, err |
| 843 | } |
| 844 | |
| 845 | var errUpdateResponseTooLarge = errors.New("update: response exceeds allowed size") |
| 846 | |
| 847 | func fetchBytesOnce(ctx context.Context, c *http.Client, selected, url string, maxBytes int64) ([]byte, error) { |
| 848 | if maxBytes <= 0 { |
| 849 | return nil, fmt.Errorf("update: invalid response size limit %d", maxBytes) |
| 850 | } |
| 851 | req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil) |
| 852 | if err != nil { |
| 853 | return nil, err |
| 854 | } |
| 855 | req.Header.Set("User-Agent", updaterUserAgent(selected)) |
| 856 | resp, err := c.Do(req) |
| 857 | if err != nil { |
| 858 | return nil, err |
| 859 | } |
| 860 | defer resp.Body.Close() |
| 861 | if resp.StatusCode != http.StatusOK { |
| 862 | return nil, &httpStatusError{url: url, status: resp.Status, code: resp.StatusCode} |
| 863 | } |
| 864 | if resp.ContentLength > maxBytes { |
| 865 | return nil, fmt.Errorf("%w: GET %s declared %d bytes, maximum is %d", errUpdateResponseTooLarge, url, resp.ContentLength, maxBytes) |
| 866 | } |
| 867 | data, err := io.ReadAll(io.LimitReader(resp.Body, maxBytes+1)) |
| 868 | if err != nil { |
| 869 | return nil, err |
| 870 | } |
| 871 | if int64(len(data)) > maxBytes { |
| 872 | return nil, fmt.Errorf("%w: GET %s exceeded %d bytes", errUpdateResponseTooLarge, url, maxBytes) |
| 873 | } |
| 874 | return data, nil |
| 875 | } |
| 876 | |
| 877 | // download fetches url into memory, invoking onProgress as bytes arrive. A transient |
| 878 | // transport failure is retried; the retry resumes from the bytes already received |
| 879 | // via a Range request instead of restarting, and switches to the IPv4 fallback |
| 880 | // client (when provided) since a reset usually means the IPv6 route is the problem. |
| 881 | // total is the expected size for the progress denominator (refined from the response). |
| 882 | func download(ctx context.Context, c, fallback *http.Client, url string, total int64, onProgress func(received, total int64)) ([]byte, error) { |
| 883 | return downloadForChannel(ctx, c, fallback, runningUpdateChannel(), url, total, onProgress) |
| 884 | } |
| 885 | |
| 886 | func downloadForChannel(ctx context.Context, c, fallback *http.Client, selected, url string, total int64, onProgress func(received, total int64)) ([]byte, error) { |
| 887 | selected = normalizeUpdateChannel(selected) |
| 888 | if total < 0 || total > maxDesktopReleaseAssetSize { |
| 889 | return nil, fmt.Errorf("update: invalid expected asset size %d", total) |
| 890 | } |
| 891 | expectedSize := total |
| 892 | var buf bytes.Buffer |
| 893 | err := retryTransient(ctx, func(attempt int) error { |
| 894 | client := c |
| 895 | if attempt > 1 && fallback != nil { |
| 896 | client = fallback |
| 897 | } |
| 898 | return downloadInto(ctx, client, selected, url, expectedSize, &buf, &total, onProgress) |
| 899 | }) |
| 900 | if err != nil { |
| 901 | return nil, err |
| 902 | } |
| 903 | if expectedSize > 0 && int64(buf.Len()) != expectedSize { |
| 904 | return nil, fmt.Errorf("update: downloaded size mismatch: got %d want %d", buf.Len(), expectedSize) |
| 905 | } |
| 906 | return buf.Bytes(), nil |
| 907 | } |
| 908 | |
| 909 | // downloadInto appends url's body to buf, resuming from buf's current length via a |
| 910 | // Range request so a retry continues the partial download. A 206 carries the |
| 911 | // remaining bytes; a 200 means the server ignored Range, so buf is reset and the |
| 912 | // whole file re-downloaded. total is refined from the response for the progress |
| 913 | // denominator (Content-Length on 200, the size field of Content-Range on 206). |
| 914 | func downloadInto(ctx context.Context, c *http.Client, selected, url string, expectedSize int64, buf *bytes.Buffer, total *int64, onProgress func(received, total int64)) error { |
| 915 | req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil) |
| 916 | if err != nil { |
| 917 | return err |
| 918 | } |
| 919 | req.Header.Set("User-Agent", updaterUserAgent(selected)) |
| 920 | if buf.Len() > 0 { |
| 921 | req.Header.Set("Range", fmt.Sprintf("bytes=%d-", buf.Len())) |
| 922 | } |
| 923 | resp, err := c.Do(req) |
| 924 | if err != nil { |
| 925 | return err |
| 926 | } |
| 927 | defer resp.Body.Close() |
| 928 | switch resp.StatusCode { |
| 929 | case http.StatusOK: |
| 930 | buf.Reset() |
| 931 | if resp.ContentLength > 0 { |
| 932 | if resp.ContentLength > maxDesktopReleaseAssetSize { |
| 933 | return fmt.Errorf("update: response size %d exceeds maximum %d", resp.ContentLength, maxDesktopReleaseAssetSize) |
| 934 | } |
| 935 | *total = resp.ContentLength |
| 936 | } |
| 937 | case http.StatusPartialContent: |
| 938 | if t := totalFromContentRange(resp.Header.Get("Content-Range")); t > 0 { |
| 939 | if t > maxDesktopReleaseAssetSize { |
| 940 | return fmt.Errorf("update: response size %d exceeds maximum %d", t, maxDesktopReleaseAssetSize) |
| 941 | } |
| 942 | *total = t |
| 943 | } |
| 944 | default: |
| 945 | return fmt.Errorf("GET %s: %s", url, resp.Status) |
| 946 | } |
| 947 | have := int64(buf.Len()) |
| 948 | if expectedSize > 0 && have > expectedSize { |
| 949 | return fmt.Errorf("update: downloaded size exceeds manifest: got at least %d want %d", have, expectedSize) |
| 950 | } |
| 951 | limit := maxDesktopReleaseAssetSize - have + 1 |
| 952 | if expectedSize > 0 { |
| 953 | limit = expectedSize - have + 1 |
| 954 | } |
| 955 | body := io.LimitReader(resp.Body, limit) |
| 956 | pr := &progressReader{r: body, received: have, lastEmit: have, total: *total, onProgress: onProgress} |
| 957 | _, err = io.Copy(buf, pr) |
| 958 | if err == nil && expectedSize > 0 && int64(buf.Len()) > expectedSize { |
| 959 | return fmt.Errorf("update: downloaded size exceeds manifest: got at least %d want %d", buf.Len(), expectedSize) |
| 960 | } |
| 961 | if err == nil && int64(buf.Len()) > maxDesktopReleaseAssetSize { |
| 962 | return fmt.Errorf("update: downloaded size exceeds maximum %d", maxDesktopReleaseAssetSize) |
| 963 | } |
| 964 | return err |
| 965 | } |
| 966 | |
| 967 | // totalFromContentRange parses the total size out of a "bytes 200-999/1000" header, |
| 968 | // returning 0 when it's absent or "*" (unknown). |
| 969 | func totalFromContentRange(v string) int64 { |
| 970 | i := strings.LastIndex(v, "/") |
| 971 | if i < 0 { |
| 972 | return 0 |
| 973 | } |
| 974 | n, err := strconv.ParseInt(strings.TrimSpace(v[i+1:]), 10, 64) |
| 975 | if err != nil { |
| 976 | return 0 |
| 977 | } |
| 978 | return n |
| 979 | } |
| 980 | |
| 981 | // progressReader reports cumulative bytes read, throttled so the event channel |
| 982 | // isn't flooded. |
| 983 | type progressReader struct { |
| 984 | r io.Reader |
| 985 | received int64 |
| 986 | total int64 |
| 987 | lastEmit int64 |
| 988 | onProgress func(received, total int64) |
| 989 | } |
| 990 | |
| 991 | func (p *progressReader) Read(b []byte) (int, error) { |
| 992 | n, err := p.r.Read(b) |
| 993 | p.received += int64(n) |
| 994 | // Emit roughly every 256 KiB, and always on the final read (io.EOF). |
| 995 | if p.onProgress != nil && (p.received-p.lastEmit >= 256<<10 || err == io.EOF) { |
| 996 | p.lastEmit = p.received |
| 997 | p.onProgress(p.received, p.total) |
| 998 | } |
| 999 | return n, err |
| 1000 | } |
| 1001 | |
| 1002 | // checkSHA256 verifies data's digest matches the lowercase-hex want. |
| 1003 | func checkSHA256(data []byte, want string) error { |
| 1004 | sum := sha256.Sum256(data) |
| 1005 | if got := hex.EncodeToString(sum[:]); !strings.EqualFold(got, want) { |
| 1006 | return fmt.Errorf("update: sha256 mismatch: got %s want %s", got, want) |
| 1007 | } |
| 1008 | return nil |
| 1009 | } |
| 1010 | |
| 1011 | // extractBinary pulls a single named regular file out of a .tar.gz blob. |
| 1012 | func extractBinary(targz []byte, name string) ([]byte, error) { |
| 1013 | gz, err := gzip.NewReader(bytes.NewReader(targz)) |
| 1014 | if err != nil { |
| 1015 | return nil, err |
| 1016 | } |
| 1017 | defer gz.Close() |
| 1018 | tr := tar.NewReader(gz) |
| 1019 | for { |
| 1020 | h, err := tr.Next() |
| 1021 | if err == io.EOF { |
| 1022 | break |
| 1023 | } |
| 1024 | if err != nil { |
| 1025 | return nil, err |
| 1026 | } |
| 1027 | if h.Typeflag == tar.TypeReg && (h.Name == name || strings.HasSuffix(h.Name, "/"+name)) { |
| 1028 | return io.ReadAll(tr) |
| 1029 | } |
| 1030 | } |
| 1031 | return nil, fmt.Errorf("update: %q not found in archive", name) |
| 1032 | } |
| 1033 | |
| 1034 | func extractLinuxReleaseUnit(targz []byte) (map[string][]byte, error) { |
| 1035 | const ( |
| 1036 | desktop = "reasonix-desktop" |
| 1037 | guard = "reasonix-guard" |
| 1038 | cli = "reasonix" |
| 1039 | ) |
| 1040 | want := map[string]struct{}{desktop: {}, guard: {}, cli: {}} |
| 1041 | found := make(map[string][]byte, len(want)) |
| 1042 | gz, err := gzip.NewReader(bytes.NewReader(targz)) |
| 1043 | if err != nil { |
| 1044 | return nil, err |
| 1045 | } |
| 1046 | defer gz.Close() |
| 1047 | tr := tar.NewReader(gz) |
| 1048 | for { |
| 1049 | h, err := tr.Next() |
| 1050 | if err == io.EOF { |
| 1051 | break |
| 1052 | } |
| 1053 | if err != nil { |
| 1054 | return nil, err |
| 1055 | } |
| 1056 | name := path.Base(strings.TrimSpace(h.Name)) |
| 1057 | if _, ok := want[name]; !ok { |
| 1058 | continue |
| 1059 | } |
| 1060 | if h.Typeflag != tar.TypeReg || h.Size < 0 { |
| 1061 | return nil, fmt.Errorf("update: release member %q is not a regular file", name) |
| 1062 | } |
| 1063 | if _, duplicate := found[name]; duplicate { |
| 1064 | return nil, fmt.Errorf("update: release member %q appears more than once", name) |
| 1065 | } |
| 1066 | body, err := io.ReadAll(tr) |
| 1067 | if err != nil { |
| 1068 | return nil, err |
| 1069 | } |
| 1070 | found[name] = body |
| 1071 | } |
| 1072 | if len(found) != len(want) { |
| 1073 | for name := range want { |
| 1074 | if _, ok := found[name]; !ok { |
| 1075 | return nil, fmt.Errorf("update: release member %q not found in archive", name) |
| 1076 | } |
| 1077 | } |
| 1078 | } |
| 1079 | return found, nil |
| 1080 | } |
| 1081 | |
| 1082 | // applyLinux replaces the running binary with the one inside the downloaded |
| 1083 | // tar.gz; the caller relaunches afterwards. |
| 1084 | func applyLinux(targz []byte, prepared *repair.UpdateTransaction) error { |
| 1085 | release, err := extractLinuxReleaseUnit(targz) |
| 1086 | if err != nil { |
| 1087 | return err |
| 1088 | } |
| 1089 | bin := release["reasonix-desktop"] |
| 1090 | guard := release["reasonix-guard"] |
| 1091 | cli := release["reasonix"] |
| 1092 | exe := currentExecutablePathForLinux() |
| 1093 | if exe == "" { |
| 1094 | return fmt.Errorf("update: current executable path is unavailable") |
| 1095 | } |
| 1096 | releasePaths := releaseUnitPathsFor(filepath.Dir(exe), "linux") |
| 1097 | if prepared == nil { |
| 1098 | return fmt.Errorf("update: prepared transaction is unavailable") |
| 1099 | } |
| 1100 | claimed, releaseClaim, err := repair.ClaimPendingFileUpdateExact( |
| 1101 | prepared.ToVersion, |
| 1102 | prepared.CreatedAt, |
| 1103 | repair.UpdateTransactionID(prepared), |
| 1104 | exe, |
| 1105 | releasePaths, |
| 1106 | 2*time.Minute, |
| 1107 | ) |
| 1108 | if err != nil { |
| 1109 | return fmt.Errorf("update: claim prepared transaction: %w", err) |
| 1110 | } |
| 1111 | defer releaseClaim() |
| 1112 | if err := repair.MarkUpdateApplyFailedExact(claimed, "Linux update publish did not complete"); err != nil { |
| 1113 | return fmt.Errorf("update: record recovery intent: %w", err) |
| 1114 | } |
| 1115 | receipts, err := applyLinuxReleaseUnit(claimed, exe, bin, guard, cli) |
| 1116 | if err != nil { |
| 1117 | return err |
| 1118 | } |
| 1119 | if _, err := repair.RecordClaimedFileUpdateInstalled(claimed, receipts...); err != nil { |
| 1120 | return fmt.Errorf("update: record installed release unit: %w", err) |
| 1121 | } |
| 1122 | // pending-update.json remains immutable; the transaction-unique sidecar now |
| 1123 | // binds every installed member. A crash before marker cleanup is safe: |
| 1124 | // startup correlates the exact transaction and rolls the release unit back. |
| 1125 | _ = repair.ClearUpdateApplyFailureExact(claimed) |
| 1126 | return nil |
| 1127 | } |
| 1128 | |
| 1129 | // applyLinuxVersioned publishes a verified compatibility tarball into a new |
| 1130 | // version directory and swaps current.json last. The tar still contains the |
| 1131 | // one-shot reasonix-guard member for v1.18-v1.19 updaters, but v1.20+ ignores |
| 1132 | // that member and never persists it again. |
| 1133 | func applyLinuxVersioned(targz []byte, targetVersion string) error { |
| 1134 | release, err := extractLinuxReleaseUnit(targz) |
| 1135 | if err != nil { |
| 1136 | return err |
| 1137 | } |
| 1138 | root := currentInstallDirForLinuxUpdate() |
| 1139 | if _, err := installlayout.ReadCurrent(root); err != nil { |
| 1140 | return fmt.Errorf("update: resolve active Linux layout: %w", err) |
| 1141 | } |
| 1142 | targetVersion = strings.TrimSpace(targetVersion) |
| 1143 | if !strings.HasPrefix(targetVersion, "v") { |
| 1144 | targetVersion = "v" + targetVersion |
| 1145 | } |
| 1146 | if err := installlayout.ValidateVersionName(targetVersion); err != nil { |
| 1147 | return err |
| 1148 | } |
| 1149 | staging, err := os.MkdirTemp(root, ".reasonix-linux-update-*") |
| 1150 | if err != nil { |
| 1151 | return fmt.Errorf("update: create Linux version staging: %w", err) |
| 1152 | } |
| 1153 | defer os.RemoveAll(staging) |
| 1154 | desktopPath := filepath.Join(staging, installlayout.DesktopBinaryName()) |
| 1155 | cliPath := filepath.Join(staging, installlayout.CLIBinaryName()) |
| 1156 | if err := os.WriteFile(desktopPath, release["reasonix-desktop"], 0o700); err != nil { |
| 1157 | return fmt.Errorf("update: stage Linux desktop: %w", err) |
| 1158 | } |
| 1159 | if err := os.WriteFile(cliPath, release["reasonix"], 0o700); err != nil { |
| 1160 | return fmt.Errorf("update: stage Linux CLI: %w", err) |
| 1161 | } |
| 1162 | if err := installlayout.ActivateVersion(installlayout.ActivationRequest{ |
| 1163 | InstallRoot: root, |
| 1164 | Version: targetVersion, |
| 1165 | RequestID: "linux-" + targetVersion, |
| 1166 | Members: []installlayout.Member{ |
| 1167 | {Name: installlayout.DesktopBinaryName(), Path: desktopPath, Mode: 0o700}, |
| 1168 | {Name: installlayout.CLIBinaryName(), Path: cliPath, Mode: 0o700}, |
| 1169 | }, |
| 1170 | RequiredNames: []string{installlayout.DesktopBinaryName(), installlayout.CLIBinaryName()}, |
| 1171 | }); err != nil { |
| 1172 | return fmt.Errorf("update: activate Linux version: %w", err) |
| 1173 | } |
| 1174 | _ = installlayout.RetainPreviousVersions(root, 0) |
| 1175 | return nil |
| 1176 | } |
| 1177 | |
| 1178 | var currentExecutablePathForLinux = currentExecutablePath |
| 1179 | var currentInstallDirForLinuxUpdate = currentInstallDir |
| 1180 | |
| 1181 | var applyLinuxReleaseUnit = func( |
| 1182 | claimed *repair.UpdateTransaction, |
| 1183 | exe string, |
| 1184 | bin, guard, cli []byte, |
| 1185 | ) ([]repair.FileUpdateInstallReceipt, error) { |
| 1186 | receipts := make([]repair.FileUpdateInstallReceipt, 0, 3) |
| 1187 | receipt, err := repair.PublishClaimedFileUpdateMemberExact(claimed, filepath.Join(filepath.Dir(exe), "reasonix"), cli, 0o700) |
| 1188 | if err != nil { |
| 1189 | return receipts, fmt.Errorf("update CLI sidecar: %w", err) |
| 1190 | } |
| 1191 | receipts = append(receipts, receipt) |
| 1192 | receipt, err = repair.PublishClaimedFileUpdateMemberExact(claimed, filepath.Join(filepath.Dir(exe), "reasonix-guard"), guard, 0o700) |
| 1193 | if err != nil { |
| 1194 | return receipts, fmt.Errorf("update Guard: %w", err) |
| 1195 | } |
| 1196 | receipts = append(receipts, receipt) |
| 1197 | receipt, err = repair.PublishClaimedFileUpdateMemberExact(claimed, exe, bin, 0o700) |
| 1198 | if err != nil { |
| 1199 | return receipts, fmt.Errorf("update desktop: %w", err) |
| 1200 | } |
| 1201 | receipts = append(receipts, receipt) |
| 1202 | return receipts, nil |
| 1203 | } |
| 1204 | |
| 1205 | func applyWindowsFile(path, expectedSHA256, targetVersion string, prepared *repair.UpdateTransaction) error { |
| 1206 | installDir := currentInstallDir() |
| 1207 | if installlayout.HasCurrent(installDir) { |
| 1208 | return startWindowsVersionedUpdateHandoff( |
| 1209 | path, |
| 1210 | expectedSHA256, |
| 1211 | installDir, |
| 1212 | currentLauncherPath(), |
| 1213 | targetVersion, |
| 1214 | ) |
| 1215 | } |
| 1216 | if prepared == nil { |
| 1217 | return fmt.Errorf("update: prepared transaction is unavailable") |
| 1218 | } |
| 1219 | return startWindowsUpdateHandoff( |
| 1220 | path, |
| 1221 | expectedSHA256, |
| 1222 | installDir, |
| 1223 | currentLauncherPath(), |
| 1224 | prepared, |
| 1225 | ) |
| 1226 | } |
| 1227 | |
| 1228 | func currentExecutablePath() string { |
| 1229 | exe, err := os.Executable() |
| 1230 | if err != nil { |
| 1231 | return "" |
| 1232 | } |
| 1233 | if resolved, err := filepath.EvalSymlinks(exe); err == nil { |
| 1234 | exe = resolved |
| 1235 | } |
| 1236 | return exe |
| 1237 | } |
| 1238 | |
| 1239 | // currentInstallDir is the InstallRoot for updates. For the versioned layout it |
| 1240 | // is the directory that owns current.json (not versions/<ver>/). For flat |
| 1241 | // installs it is the directory of the running executable. |
| 1242 | func currentInstallDir() string { |
| 1243 | exe := currentExecutablePath() |
| 1244 | if exe == "" { |
| 1245 | return "" |
| 1246 | } |
| 1247 | if root, err := installlayout.ResolveInstallRoot(exe); err == nil && root != "" { |
| 1248 | return root |
| 1249 | } |
| 1250 | return filepath.Dir(exe) |
| 1251 | } |
| 1252 | |
| 1253 | // archiveSupersededPendingUpdateAfterReady retires a transaction only after the |
| 1254 | // current desktop has shown a usable UI. App-bundle recovery handles interrupted |
| 1255 | // macOS generations; the versioned-layout branch handles older flat Windows and |
| 1256 | // Linux transactions. |
| 1257 | func archiveSupersededPendingUpdateAfterReady() (bool, error) { |
| 1258 | exe := currentExecutablePath() |
| 1259 | if exe == "" || version == "" || version == "dev" { |
| 1260 | return false, nil |
| 1261 | } |
| 1262 | if archived, err := repair.ArchiveSupersededPendingAppBundleUpdate(version); err != nil || archived { |
| 1263 | return archived, err |
| 1264 | } |
| 1265 | if runtime.GOOS == "darwin" { |
| 1266 | return false, nil |
| 1267 | } |
| 1268 | root, err := installlayout.ResolveInstallRoot(exe) |
| 1269 | if err != nil { |
| 1270 | return false, err |
| 1271 | } |
| 1272 | ptr, err := installlayout.ReadCurrent(root) |
| 1273 | if err != nil { |
| 1274 | // Package-managed and legacy flat installs have no versioned pointer and |
| 1275 | // therefore are not authorized to retire a transaction. |
| 1276 | if os.IsNotExist(err) { |
| 1277 | return false, nil |
| 1278 | } |
| 1279 | return false, err |
| 1280 | } |
| 1281 | running := strings.TrimSpace(version) |
| 1282 | if !strings.HasPrefix(running, "v") { |
| 1283 | running = "v" + running |
| 1284 | } |
| 1285 | if ptr.ActiveVersion != running { |
| 1286 | return false, fmt.Errorf("active install version %s does not match running version %s", ptr.ActiveVersion, running) |
| 1287 | } |
| 1288 | return repair.ArchiveSupersededPendingFileUpdate(running, root) |
| 1289 | } |
| 1290 | |
| 1291 | func capturePendingUpdateHealthIdentity(app *App) { |
| 1292 | if app == nil { |
| 1293 | return |
| 1294 | } |
| 1295 | tx, err := readPendingUpdateForHealth() |
| 1296 | if err != nil || tx == nil || strings.TrimSpace(tx.ToVersion) != strings.TrimSpace(version) { |
| 1297 | return |
| 1298 | } |
| 1299 | app.healthyUpdateCreatedAt = tx.CreatedAt |
| 1300 | app.healthyUpdateTransactionID = repair.UpdateTransactionID(tx) |
| 1301 | } |
| 1302 | |
| 1303 | // updateSiblingArtifacts lists the packaged binaries an update replaces beside |
| 1304 | // the main executable, so PrepareFileUpdate can snapshot the complete release |
| 1305 | // unit. Paths that do not exist on disk are skipped by the backup. |
| 1306 | func updateSiblingArtifacts() []string { |
| 1307 | dir := currentInstallDir() |
| 1308 | if dir == "" { |
| 1309 | return nil |
| 1310 | } |
| 1311 | paths := releaseUnitPathsFor(dir, runtime.GOOS) |
| 1312 | if len(paths) <= 1 { |
| 1313 | return nil |
| 1314 | } |
| 1315 | return paths[1:] |
| 1316 | } |
| 1317 | |
| 1318 | func releaseUnitPathsFor(dir, goos string) []string { |
| 1319 | if dir == "" { |
| 1320 | return nil |
| 1321 | } |
| 1322 | // Versioned-v1 layout: primary is the active desktop under versions/. |
| 1323 | if goos == "windows" && installlayout.HasCurrent(dir) { |
| 1324 | paths := make([]string, 0, 6) |
| 1325 | if desktop, err := installlayout.ActiveDesktopPath(dir); err == nil { |
| 1326 | paths = append(paths, desktop) |
| 1327 | } else { |
| 1328 | paths = append(paths, filepath.Join(dir, "reasonix-desktop.exe")) |
| 1329 | } |
| 1330 | if helper, err := installlayout.ActiveUpdateHelperPath(dir); err == nil { |
| 1331 | paths = append(paths, helper) |
| 1332 | } |
| 1333 | if cli, err := installlayout.ActiveCLIPath(dir); err == nil { |
| 1334 | paths = append(paths, cli) |
| 1335 | } |
| 1336 | for _, name := range []string{"reasonix-launcher.exe", "reasonix-cli.exe", "Reasonix.exe"} { |
| 1337 | paths = append(paths, filepath.Join(dir, name)) |
| 1338 | } |
| 1339 | return paths |
| 1340 | } |
| 1341 | names := updateSiblingNames(goos) |
| 1342 | paths := make([]string, 0, len(names)+1) |
| 1343 | switch goos { |
| 1344 | case "linux": |
| 1345 | paths = append(paths, filepath.Join(dir, "reasonix-desktop")) |
| 1346 | case "windows": |
| 1347 | paths = append(paths, filepath.Join(dir, "reasonix-desktop.exe")) |
| 1348 | } |
| 1349 | if len(names) == 0 { |
| 1350 | return paths |
| 1351 | } |
| 1352 | for _, name := range names { |
| 1353 | paths = append(paths, filepath.Join(dir, name)) |
| 1354 | } |
| 1355 | return paths |
| 1356 | } |
| 1357 | |
| 1358 | func updateSiblingNames(goos string) []string { |
| 1359 | switch goos { |
| 1360 | case "windows": |
| 1361 | // Legacy flat release unit. reasonix-guard.exe may still exist on disk |
| 1362 | // during migration from 1.18–1.19.1; the new layout omits it. |
| 1363 | return []string{"reasonix-guard.exe", "reasonix-launcher.exe", "reasonix-update-helper.exe", "reasonix-cli.exe", "Reasonix.exe"} |
| 1364 | case "linux": |
| 1365 | return []string{"reasonix-guard", "reasonix"} |
| 1366 | default: |
| 1367 | return nil |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | // relaunchThroughLauncher starts the permanent thin launcher (or falls back to |
| 1372 | // the running executable). A legacy Guard binary is considered only as a |
| 1373 | // one-release migration fallback for flat 1.18-1.19.1 installations. |
| 1374 | func relaunchThroughLauncher() error { |
| 1375 | exe, err := os.Executable() |
| 1376 | if err != nil { |
| 1377 | return err |
| 1378 | } |
| 1379 | root := filepath.Dir(exe) |
| 1380 | if resolved, err := installlayout.ResolveInstallRoot(exe); err == nil && resolved != "" { |
| 1381 | root = resolved |
| 1382 | } |
| 1383 | candidates := []string{ |
| 1384 | filepath.Join(root, "reasonix-launcher"), |
| 1385 | filepath.Join(root, "Reasonix.exe"), |
| 1386 | filepath.Join(root, "reasonix-guard"), // migration window only |
| 1387 | } |
| 1388 | if runtime.GOOS == "windows" { |
| 1389 | candidates[0] += ".exe" |
| 1390 | candidates[2] += ".exe" |
| 1391 | } |
| 1392 | launcher := exe |
| 1393 | for _, path := range candidates { |
| 1394 | if _, err := os.Stat(path); err == nil { |
| 1395 | launcher = path |
| 1396 | break |
| 1397 | } |
| 1398 | } |
| 1399 | args := []string{} |
| 1400 | // Only legacy guard understands "launch --detach"; the thin launcher strips it. |
| 1401 | if strings.Contains(strings.ToLower(filepath.Base(launcher)), "guard") { |
| 1402 | args = []string{"launch", "--detach"} |
| 1403 | } |
| 1404 | cmd := exec.Command(launcher, args...) |
| 1405 | cmd.Stdout, cmd.Stderr, cmd.Stdin = os.Stdout, os.Stderr, os.Stdin |
| 1406 | return cmd.Start() |
| 1407 | } |
| 1408 | |
| 1409 | func currentLauncherPath() string { |
| 1410 | exe := currentExecutablePath() |
| 1411 | if exe == "" { |
| 1412 | return "" |
| 1413 | } |
| 1414 | root := filepath.Dir(exe) |
| 1415 | if resolved, err := installlayout.ResolveInstallRoot(exe); err == nil && resolved != "" { |
| 1416 | root = resolved |
| 1417 | } |
| 1418 | for _, name := range []string{"reasonix-launcher.exe", "Reasonix.exe", "reasonix-launcher", "reasonix-guard.exe", "reasonix-guard"} { |
| 1419 | if runtime.GOOS != "windows" && strings.HasSuffix(name, ".exe") { |
| 1420 | continue |
| 1421 | } |
| 1422 | if runtime.GOOS == "windows" && !strings.HasSuffix(name, ".exe") && name != "Reasonix.exe" { |
| 1423 | // Unix names on Windows are unused. |
| 1424 | if !strings.HasSuffix(name, ".exe") { |
| 1425 | continue |
| 1426 | } |
| 1427 | } |
| 1428 | path := filepath.Join(root, name) |
| 1429 | if _, err := os.Stat(path); err == nil { |
| 1430 | return path |
| 1431 | } |
| 1432 | } |
| 1433 | // Fall through to previous flat-dir behavior for incomplete installs. |
| 1434 | if runtime.GOOS == "windows" { |
| 1435 | guard := filepath.Join(filepath.Dir(exe), "reasonix-guard.exe") |
| 1436 | if _, err := os.Stat(guard); err == nil { |
| 1437 | return guard |
| 1438 | } |
| 1439 | } |
| 1440 | return exe |
| 1441 | } |
| 1442 |