| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "archive/tar" |
| 5 | "archive/zip" |
| 6 | "bytes" |
| 7 | "compress/gzip" |
| 8 | "crypto/sha256" |
| 9 | "encoding/hex" |
| 10 | "encoding/json" |
| 11 | "errors" |
| 12 | "fmt" |
| 13 | "io" |
| 14 | "net/http" |
| 15 | "net/url" |
| 16 | "os" |
| 17 | "path/filepath" |
| 18 | "regexp" |
| 19 | "runtime" |
| 20 | "strings" |
| 21 | "time" |
| 22 | |
| 23 | "reasonix/internal/config" |
| 24 | "reasonix/internal/i18n" |
| 25 | "reasonix/internal/netclient" |
| 26 | |
| 27 | "github.com/spf13/pflag" |
| 28 | "golang.org/x/mod/semver" |
| 29 | ) |
| 30 | |
| 31 | const ( |
| 32 | ghOwner = "esengine" |
| 33 | ghRepo = "DeepSeek-Reasonix" |
| 34 | ghAPIReleases = "https://api.github.com/repos/" + ghOwner + "/" + ghRepo + "/releases?per_page=100" |
| 35 | ghDownloadBase = "https://github.com/" + ghOwner + "/" + ghRepo + "/releases/download" |
| 36 | cliGatewayBase = "https://crash.reasonix.io/v1/cli/releases" |
| 37 | upgradeTimeout = 60 * time.Second |
| 38 | maxCLIReleaseAssetSize = int64(1 << 30) |
| 39 | ) |
| 40 | |
| 41 | // ghRelease is the subset of the GitHub release API response we need. |
| 42 | type ghRelease struct { |
| 43 | TagName string `json:"tag_name"` |
| 44 | Prerelease bool `json:"prerelease"` |
| 45 | Assets []ghAsset `json:"assets"` |
| 46 | } |
| 47 | |
| 48 | // ghAsset is a single release asset. |
| 49 | type ghAsset struct { |
| 50 | Name string `json:"name"` |
| 51 | BrowserDownloadURL string `json:"browser_download_url"` |
| 52 | Size int64 `json:"size"` |
| 53 | } |
| 54 | |
| 55 | type cliReleaseChannel string |
| 56 | |
| 57 | const ( |
| 58 | cliReleaseStable cliReleaseChannel = "stable" |
| 59 | ) |
| 60 | |
| 61 | var ( |
| 62 | stableCLITagPattern = regexp.MustCompile(`^v(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)\.(?:0|[1-9][0-9]*)$`) |
| 63 | requiredCLIAssets = [...]string{ |
| 64 | "reasonix-darwin-amd64.tar.gz", |
| 65 | "reasonix-darwin-arm64.tar.gz", |
| 66 | "reasonix-linux-amd64.tar.gz", |
| 67 | "reasonix-linux-arm64.tar.gz", |
| 68 | "reasonix-windows-amd64.zip", |
| 69 | "reasonix-windows-arm64.zip", |
| 70 | "SHA256SUMS", |
| 71 | } |
| 72 | ) |
| 73 | |
| 74 | func parseCLIReleaseChannel(value string) (cliReleaseChannel, error) { |
| 75 | switch strings.ToLower(strings.TrimSpace(value)) { |
| 76 | case "", string(cliReleaseStable), "preview", "canary", "beta", "next": |
| 77 | return cliReleaseStable, nil |
| 78 | default: |
| 79 | return "", fmt.Errorf("release channel %q is unsupported; Reasonix now uses the official release", value) |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | type cliUpgradeSyntax struct { |
| 84 | checkOnly bool |
| 85 | force bool |
| 86 | positional *cliReleaseChannel |
| 87 | flagChannel *cliReleaseChannel |
| 88 | helpRequested bool |
| 89 | helpText string |
| 90 | } |
| 91 | |
| 92 | // parseCLIUpgradeSyntax accepts the ergonomic positional channel while keeping |
| 93 | // --channel available for scripts. pflag's interspersed parsing allows both |
| 94 | // `upgrade preview --check` and `upgrade --check preview`. |
| 95 | func parseCLIUpgradeSyntax(args []string) (cliUpgradeSyntax, error) { |
| 96 | fs := pflag.NewFlagSet("upgrade", pflag.ContinueOnError) |
| 97 | fs.SetInterspersed(true) |
| 98 | var parseOutput bytes.Buffer |
| 99 | fs.SetOutput(&parseOutput) |
| 100 | checkOnly := fs.Bool("check", false, "check for updates without installing") |
| 101 | force := fs.Bool("force", false, "reinstall even if already on the latest version") |
| 102 | channelValue := fs.String("channel", "", "deprecated compatibility option; updates use the official release") |
| 103 | if err := fs.Parse(args); err != nil { |
| 104 | if errors.Is(err, pflag.ErrHelp) { |
| 105 | return cliUpgradeSyntax{helpRequested: true, helpText: parseOutput.String()}, nil |
| 106 | } |
| 107 | return cliUpgradeSyntax{}, err |
| 108 | } |
| 109 | |
| 110 | var positional *cliReleaseChannel |
| 111 | if rest := fs.Args(); len(rest) > 1 { |
| 112 | return cliUpgradeSyntax{}, fmt.Errorf("upgrade accepts at most one deprecated positional channel") |
| 113 | } else if len(rest) == 1 { |
| 114 | channel, err := parseCLIReleaseChannel(rest[0]) |
| 115 | if err != nil || strings.TrimSpace(rest[0]) == "" { |
| 116 | if err == nil { |
| 117 | err = fmt.Errorf("channel is required") |
| 118 | } |
| 119 | return cliUpgradeSyntax{}, err |
| 120 | } |
| 121 | positional = &channel |
| 122 | } |
| 123 | |
| 124 | var flagChannel *cliReleaseChannel |
| 125 | if fs.Changed("channel") { |
| 126 | if strings.TrimSpace(*channelValue) == "" { |
| 127 | return cliUpgradeSyntax{}, fmt.Errorf("--channel requires a legacy channel value") |
| 128 | } |
| 129 | channel, err := parseCLIReleaseChannel(*channelValue) |
| 130 | if err != nil { |
| 131 | return cliUpgradeSyntax{}, err |
| 132 | } |
| 133 | flagChannel = &channel |
| 134 | } |
| 135 | if positional != nil && flagChannel != nil && *positional != *flagChannel { |
| 136 | return cliUpgradeSyntax{}, fmt.Errorf("conflicting release channels: positional %q and --channel %q", *positional, *flagChannel) |
| 137 | } |
| 138 | return cliUpgradeSyntax{ |
| 139 | checkOnly: *checkOnly, |
| 140 | force: *force, |
| 141 | positional: positional, |
| 142 | flagChannel: flagChannel, |
| 143 | }, nil |
| 144 | } |
| 145 | |
| 146 | func resolveCLIUpgradeChannel(syntax cliUpgradeSyntax, configured string) (cliReleaseChannel, bool, error) { |
| 147 | configuredChannel, err := parseCLIReleaseChannel(config.NormalizeCLIUpdateChannel(configured)) |
| 148 | if err != nil { |
| 149 | return "", false, err |
| 150 | } |
| 151 | if syntax.positional != nil { |
| 152 | return *syntax.positional, *syntax.positional != configuredChannel, nil |
| 153 | } |
| 154 | if syntax.flagChannel != nil { |
| 155 | return *syntax.flagChannel, false, nil |
| 156 | } |
| 157 | return configuredChannel, false, nil |
| 158 | } |
| 159 | |
| 160 | var persistCLIReleaseChannel = func(channel cliReleaseChannel) error { |
| 161 | path := config.UserConfigPath() |
| 162 | unlock, err := config.LockConfigFileEdits(path) |
| 163 | if err != nil { |
| 164 | return err |
| 165 | } |
| 166 | defer unlock() |
| 167 | cfg, err := config.LoadForEditReadOnlyStrict(path) |
| 168 | if err != nil { |
| 169 | return err |
| 170 | } |
| 171 | if err := cfg.SetCLIUpdateChannel(string(channel)); err != nil { |
| 172 | return err |
| 173 | } |
| 174 | return cfg.SaveTo(path) |
| 175 | } |
| 176 | |
| 177 | var loadCLIUpgradeConfig = config.Load |
| 178 | |
| 179 | // upgradeCommand handles `reasonix upgrade` (and `reasonix update`). |
| 180 | func upgradeCommand(args []string, version string) int { |
| 181 | syntax, err := parseCLIUpgradeSyntax(args) |
| 182 | if err != nil { |
| 183 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 184 | return 2 |
| 185 | } |
| 186 | if syntax.helpRequested { |
| 187 | fmt.Fprint(os.Stdout, syntax.helpText) |
| 188 | return 0 |
| 189 | } |
| 190 | |
| 191 | // 1. Normalize running version. |
| 192 | cur, ok := normalizeVersion(version) |
| 193 | if !ok { |
| 194 | fmt.Fprintf(os.Stderr, "%s %s\n", i18n.M.ErrorPrefix, i18n.M.UpgradeDevBuild) |
| 195 | return 1 |
| 196 | } |
| 197 | |
| 198 | // 2. Build HTTP client using configured proxy. |
| 199 | cfg, err := loadCLIUpgradeConfig() |
| 200 | if err != nil { |
| 201 | fmt.Fprintf(os.Stderr, "%s cannot load config: %v\n", i18n.M.ErrorPrefix, err) |
| 202 | return 1 |
| 203 | } |
| 204 | if cfg == nil { |
| 205 | fmt.Fprintf(os.Stderr, "%s cannot load config: empty result\n", i18n.M.ErrorPrefix) |
| 206 | return 1 |
| 207 | } |
| 208 | legacyConfigChannel := strings.TrimSpace(cfg.CLI.UpdateChannel) |
| 209 | selectedChannel, persistChannel, err := resolveCLIUpgradeChannel(syntax, cfg.CLIUpdateChannel()) |
| 210 | if err != nil { |
| 211 | fmt.Fprintln(os.Stderr, i18n.M.ErrorPrefix, err) |
| 212 | return 2 |
| 213 | } |
| 214 | if persistChannel || legacyConfigChannel != "" { |
| 215 | if err := persistCLIReleaseChannel(selectedChannel); err != nil { |
| 216 | fmt.Fprintf(os.Stderr, "%s cannot save CLI update channel: %v\n", i18n.M.ErrorPrefix, err) |
| 217 | return 1 |
| 218 | } |
| 219 | } |
| 220 | if syntax.positional != nil || syntax.flagChannel != nil || legacyConfigChannel != "" { |
| 221 | fmt.Fprintln(os.Stderr, i18n.M.UpgradeChannelDeprecated) |
| 222 | } |
| 223 | spec := cfg.NetworkProxySpec() |
| 224 | c, err := netclient.NewHTTPClient(spec, netclient.TransportOptions{ |
| 225 | ResponseHeaderTimeout: upgradeTimeout, |
| 226 | }) |
| 227 | if err != nil { |
| 228 | fmt.Fprintf(os.Stderr, "%s %v\n", i18n.M.ErrorPrefix, err) |
| 229 | return 1 |
| 230 | } |
| 231 | c.CheckRedirect = validateCLIUpgradeRedirect |
| 232 | |
| 233 | // 3. Fetch latest release from GitHub API. |
| 234 | fmt.Println(i18n.M.UpgradeChecking) |
| 235 | rel, err := fetchLatestRelease(c, selectedChannel) |
| 236 | if err != nil { |
| 237 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeFetchFailed+"\n", i18n.M.ErrorPrefix, err) |
| 238 | return 1 |
| 239 | } |
| 240 | |
| 241 | // 4. Compare versions. |
| 242 | latest := rel.TagName |
| 243 | if !strings.HasPrefix(latest, "v") { |
| 244 | latest = "v" + latest |
| 245 | } |
| 246 | if !semver.IsValid(latest) { |
| 247 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeInvalidVersion+"\n", i18n.M.ErrorPrefix, latest) |
| 248 | return 1 |
| 249 | } |
| 250 | sameChannel := versionBelongsToCLIChannel(cur, selectedChannel) |
| 251 | if latest == cur { |
| 252 | if syntax.force { |
| 253 | fmt.Println(i18n.M.UpgradeForcing) |
| 254 | } else { |
| 255 | fmt.Println(i18n.M.UpgradeAlreadyLatest) |
| 256 | return 0 |
| 257 | } |
| 258 | } else if !sameChannel || semver.Compare(latest, cur) > 0 { |
| 259 | fmt.Printf(i18n.M.UpgradeAvailableFmt+"\n", cur, latest) |
| 260 | } else if syntax.force { |
| 261 | fmt.Println(i18n.M.UpgradeForcing) |
| 262 | } else { |
| 263 | fmt.Println(i18n.M.UpgradeAlreadyLatest) |
| 264 | return 0 |
| 265 | } |
| 266 | |
| 267 | if syntax.checkOnly { |
| 268 | return 0 |
| 269 | } |
| 270 | |
| 271 | // 5. Find the asset for the current platform. |
| 272 | base := fmt.Sprintf("reasonix-%s-%s", runtime.GOOS, runtime.GOARCH) |
| 273 | asset := findCLIPlatformAsset(rel, runtime.GOOS, runtime.GOARCH) |
| 274 | if asset == nil { |
| 275 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeNoAssetFmt+"\n", i18n.M.ErrorPrefix, base) |
| 276 | return 1 |
| 277 | } |
| 278 | |
| 279 | // 6. Find the checksum asset from the same validated release metadata. Do |
| 280 | // not synthesize a URL: the manifest's exact URL and size are part of the |
| 281 | // release trust boundary. |
| 282 | checksumAsset := findCLIReleaseAsset(rel, "SHA256SUMS") |
| 283 | if checksumAsset == nil { |
| 284 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeChecksumFailed+"\n", i18n.M.ErrorPrefix, errors.New("release is missing a valid SHA256SUMS asset")) |
| 285 | return 1 |
| 286 | } |
| 287 | |
| 288 | // 7. Download archive. |
| 289 | fmt.Printf(i18n.M.UpgradeDownloadingFmt+"\n", asset.Name, humanSize(asset.Size)) |
| 290 | archiveData, err := fetchBytesSized(c, asset.BrowserDownloadURL, asset.Size) |
| 291 | if err != nil { |
| 292 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeDownloadFailed+"\n", i18n.M.ErrorPrefix, err) |
| 293 | return 1 |
| 294 | } |
| 295 | |
| 296 | // 8. Verify SHA256 checksum — fail closed: abort on any verification error. |
| 297 | fmt.Println(i18n.M.UpgradeVerifying) |
| 298 | checksumData, err := fetchBytesSized(c, checksumAsset.BrowserDownloadURL, checksumAsset.Size) |
| 299 | if err != nil { |
| 300 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeChecksumFailed+"\n", i18n.M.ErrorPrefix, err) |
| 301 | return 1 |
| 302 | } |
| 303 | if err := verifyChecksum(archiveData, asset.Name, checksumData); err != nil { |
| 304 | fmt.Fprintf(os.Stderr, "%s %v\n", i18n.M.ErrorPrefix, err) |
| 305 | return 1 |
| 306 | } |
| 307 | |
| 308 | // 9. Extract binary from archive. |
| 309 | binName := "reasonix" |
| 310 | if runtime.GOOS == "windows" { |
| 311 | binName = "reasonix.exe" |
| 312 | } |
| 313 | binary, err := extractBinary(archiveData, asset.Name, binName) |
| 314 | if err != nil { |
| 315 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeExtractFailed+"\n", i18n.M.ErrorPrefix, err) |
| 316 | return 1 |
| 317 | } |
| 318 | |
| 319 | // 10. Replace the running binary. |
| 320 | fmt.Println(i18n.M.UpgradeApplying) |
| 321 | if err := replaceBinary(binary); err != nil { |
| 322 | fmt.Fprintf(os.Stderr, "%s "+i18n.M.UpgradeApplyFailed+"\n", i18n.M.ErrorPrefix, err) |
| 323 | return 1 |
| 324 | } |
| 325 | |
| 326 | fmt.Println(upgradeSuccessMessage(cur, latest)) |
| 327 | return 0 |
| 328 | } |
| 329 | |
| 330 | func upgradeSuccessMessage(cur, latest string) string { |
| 331 | return fmt.Sprintf(i18n.M.UpgradeSuccessFmt, cur, latest) |
| 332 | } |
| 333 | |
| 334 | // normalizeVersion returns v as valid semver ("vX.Y.Z") or ok=false for dev. |
| 335 | func normalizeVersion(v string) (string, bool) { |
| 336 | v = strings.TrimSpace(v) |
| 337 | if v == "" || v == "dev" { |
| 338 | return "", false |
| 339 | } |
| 340 | if !strings.HasPrefix(v, "v") { |
| 341 | v = "v" + v |
| 342 | } |
| 343 | if !semver.IsValid(v) { |
| 344 | return "", false |
| 345 | } |
| 346 | return semver.Canonical(v), true |
| 347 | } |
| 348 | |
| 349 | // isCLITag reports whether a tag belongs to the CLI release namespace (v*). |
| 350 | // Tags like "desktop-v1.5.0" or "npm-v1.4.0" are excluded. |
| 351 | func isCLITag(tag string) bool { |
| 352 | tag = strings.TrimSpace(tag) |
| 353 | return len(tag) >= 2 && tag[0] == 'v' && tag[1] >= '0' && tag[1] <= '9' |
| 354 | } |
| 355 | |
| 356 | func versionBelongsToCLIChannel(version string, channel cliReleaseChannel) bool { |
| 357 | return channel == cliReleaseStable && stableCLITagPattern.MatchString(version) |
| 358 | } |
| 359 | |
| 360 | func releaseBelongsToCLIChannel(rel ghRelease, channel cliReleaseChannel) bool { |
| 361 | if !isCLITag(rel.TagName) || !versionBelongsToCLIChannel(rel.TagName, channel) { |
| 362 | return false |
| 363 | } |
| 364 | return !rel.Prerelease |
| 365 | } |
| 366 | |
| 367 | func isHTTPSDownloadURL(raw string) bool { |
| 368 | parsed, err := url.Parse(strings.TrimSpace(raw)) |
| 369 | return err == nil && |
| 370 | parsed.Scheme == "https" && |
| 371 | parsed.Hostname() != "" && |
| 372 | parsed.User == nil |
| 373 | } |
| 374 | |
| 375 | func isExpectedCLIAssetURL(raw, tag, name string) bool { |
| 376 | if !isHTTPSDownloadURL(raw) { |
| 377 | return false |
| 378 | } |
| 379 | parsed, err := url.Parse(strings.TrimSpace(raw)) |
| 380 | if err != nil { |
| 381 | return false |
| 382 | } |
| 383 | expectedPath := fmt.Sprintf("/%s/%s/releases/download/%s/%s", ghOwner, ghRepo, tag, name) |
| 384 | return strings.EqualFold(parsed.Hostname(), "github.com") && |
| 385 | parsed.Port() == "" && |
| 386 | parsed.EscapedPath() == expectedPath && |
| 387 | parsed.RawQuery == "" && |
| 388 | parsed.Fragment == "" |
| 389 | } |
| 390 | |
| 391 | func isTrustedCLIUpgradeRedirectHost(host string) bool { |
| 392 | host = strings.ToLower(strings.TrimSuffix(strings.TrimSpace(host), ".")) |
| 393 | return host == "github.com" || strings.HasSuffix(host, ".githubusercontent.com") |
| 394 | } |
| 395 | |
| 396 | func validateCLIUpgradeRedirect(req *http.Request, via []*http.Request) error { |
| 397 | if len(via) >= 10 { |
| 398 | return errors.New("upgrade: stopped after 10 redirects") |
| 399 | } |
| 400 | if req == nil || req.URL == nil { |
| 401 | return errors.New("upgrade: redirect has no target URL") |
| 402 | } |
| 403 | if !strings.EqualFold(req.URL.Scheme, "https") { |
| 404 | return fmt.Errorf("upgrade: refusing redirect to non-HTTPS URL %q", req.URL.String()) |
| 405 | } |
| 406 | if req.URL.Hostname() == "" { |
| 407 | return fmt.Errorf("upgrade: refusing redirect without a hostname %q", req.URL.String()) |
| 408 | } |
| 409 | if req.URL.User != nil { |
| 410 | return fmt.Errorf("upgrade: refusing redirect with userinfo %q", req.URL.String()) |
| 411 | } |
| 412 | if req.URL.Port() != "" || !isTrustedCLIUpgradeRedirectHost(req.URL.Hostname()) { |
| 413 | return fmt.Errorf("upgrade: refusing redirect to untrusted host %q", req.URL.Host) |
| 414 | } |
| 415 | return nil |
| 416 | } |
| 417 | |
| 418 | func validCLIAssetSize(size int64) bool { |
| 419 | return size > 0 && size <= maxCLIReleaseAssetSize |
| 420 | } |
| 421 | |
| 422 | func releaseHasCompleteCLIAssets(rel ghRelease) bool { |
| 423 | required := make(map[string]struct{}, len(requiredCLIAssets)) |
| 424 | for _, name := range requiredCLIAssets { |
| 425 | required[name] = struct{}{} |
| 426 | } |
| 427 | assets := make(map[string]bool, len(requiredCLIAssets)) |
| 428 | seen := make(map[string]bool, len(requiredCLIAssets)) |
| 429 | for _, asset := range rel.Assets { |
| 430 | if _, ok := required[asset.Name]; !ok { |
| 431 | continue |
| 432 | } |
| 433 | if seen[asset.Name] { |
| 434 | return false |
| 435 | } |
| 436 | seen[asset.Name] = true |
| 437 | if validCLIAssetSize(asset.Size) && |
| 438 | isExpectedCLIAssetURL(asset.BrowserDownloadURL, rel.TagName, asset.Name) { |
| 439 | assets[asset.Name] = true |
| 440 | } |
| 441 | } |
| 442 | for _, name := range requiredCLIAssets { |
| 443 | if !assets[name] { |
| 444 | return false |
| 445 | } |
| 446 | } |
| 447 | return true |
| 448 | } |
| 449 | |
| 450 | func cliPlatformAssetName(goos, goarch string) string { |
| 451 | suffix := ".tar.gz" |
| 452 | if goos == "windows" { |
| 453 | suffix = ".zip" |
| 454 | } |
| 455 | return fmt.Sprintf("reasonix-%s-%s%s", goos, goarch, suffix) |
| 456 | } |
| 457 | |
| 458 | func findCLIPlatformAsset(rel *ghRelease, goos, goarch string) *ghAsset { |
| 459 | return findCLIReleaseAsset(rel, cliPlatformAssetName(goos, goarch)) |
| 460 | } |
| 461 | |
| 462 | func findCLIReleaseAsset(rel *ghRelease, name string) *ghAsset { |
| 463 | if rel == nil { |
| 464 | return nil |
| 465 | } |
| 466 | for i := range rel.Assets { |
| 467 | if rel.Assets[i].Name == name && |
| 468 | validCLIAssetSize(rel.Assets[i].Size) && |
| 469 | isExpectedCLIAssetURL(rel.Assets[i].BrowserDownloadURL, rel.TagName, name) { |
| 470 | return &rel.Assets[i] |
| 471 | } |
| 472 | } |
| 473 | return nil |
| 474 | } |
| 475 | |
| 476 | // pickCLIRelease selects the highest strict tag in the requested public channel. |
| 477 | // Generic prereleases such as RCs remain internal and can never leak into Stable |
| 478 | // or masquerade as Preview. Incomplete releases are skipped so an interrupted |
| 479 | // publication cannot hide the previous complete release. |
| 480 | func pickCLIRelease(rels []ghRelease, channel cliReleaseChannel) *ghRelease { |
| 481 | best := -1 |
| 482 | for i := range rels { |
| 483 | if !releaseBelongsToCLIChannel(rels[i], channel) || !releaseHasCompleteCLIAssets(rels[i]) { |
| 484 | continue |
| 485 | } |
| 486 | if best == -1 || semver.Compare(rels[i].TagName, rels[best].TagName) > 0 { |
| 487 | best = i |
| 488 | } |
| 489 | } |
| 490 | if best == -1 { |
| 491 | return nil |
| 492 | } |
| 493 | return &rels[best] |
| 494 | } |
| 495 | |
| 496 | // githubAPIToken returns the token to authenticate release lookups with. |
| 497 | // Anonymous GitHub API requests share a 60/hour quota per IP, which a NAT or |
| 498 | // office network exhausts long before one user's upgrades do (#4449). |
| 499 | func githubAPIToken() string { |
| 500 | for _, name := range []string{"GITHUB_TOKEN", "GH_TOKEN"} { |
| 501 | if v := strings.TrimSpace(os.Getenv(name)); v != "" { |
| 502 | return v |
| 503 | } |
| 504 | } |
| 505 | return "" |
| 506 | } |
| 507 | |
| 508 | // githubRateLimitHint names the fix when a refusal is the anonymous quota |
| 509 | // rather than a broken request. |
| 510 | func githubRateLimitHint(resp *http.Response) string { |
| 511 | if resp.StatusCode != http.StatusForbidden && resp.StatusCode != http.StatusTooManyRequests { |
| 512 | return "" |
| 513 | } |
| 514 | if resp.Header.Get("X-RateLimit-Remaining") != "0" { |
| 515 | return "" |
| 516 | } |
| 517 | if githubAPIToken() != "" { |
| 518 | return " (rate limited; retry after the window resets)" |
| 519 | } |
| 520 | return " (rate limited; set GITHUB_TOKEN to raise the quota)" |
| 521 | } |
| 522 | |
| 523 | // fetchLatestRelease queries the GitHub Releases API and returns the newest |
| 524 | // strict CLI release in the selected public channel. |
| 525 | func fetchLatestRelease(c *http.Client, channel cliReleaseChannel) (*ghRelease, error) { |
| 526 | pointerURL := fmt.Sprintf("%s/%s/latest.json", cliGatewayBase, channel) |
| 527 | pointerRelease, pointerErr := fetchCLIReleasePointer(c, pointerURL, channel) |
| 528 | if pointerErr == nil { |
| 529 | return pointerRelease, nil |
| 530 | } |
| 531 | |
| 532 | req, err := http.NewRequest("GET", ghAPIReleases, nil) |
| 533 | if err != nil { |
| 534 | return nil, err |
| 535 | } |
| 536 | req.Header.Set("Accept", "application/vnd.github+json") |
| 537 | req.Header.Set("User-Agent", "reasonix-cli") |
| 538 | if token := githubAPIToken(); token != "" { |
| 539 | req.Header.Set("Authorization", "Bearer "+token) |
| 540 | } |
| 541 | |
| 542 | resp, err := c.Do(req) |
| 543 | if err != nil { |
| 544 | return nil, err |
| 545 | } |
| 546 | defer resp.Body.Close() |
| 547 | if resp.StatusCode != http.StatusOK { |
| 548 | return nil, fmt.Errorf("release gateway: %v; GitHub API: %s%s", pointerErr, resp.Status, githubRateLimitHint(resp)) |
| 549 | } |
| 550 | |
| 551 | var rels []ghRelease |
| 552 | if err := json.NewDecoder(resp.Body).Decode(&rels); err != nil { |
| 553 | return nil, err |
| 554 | } |
| 555 | |
| 556 | if rel := pickCLIRelease(rels, channel); rel != nil { |
| 557 | return rel, nil |
| 558 | } |
| 559 | return nil, fmt.Errorf("release gateway: %v; no %s CLI release found in recent GitHub releases", pointerErr, channel) |
| 560 | } |
| 561 | |
| 562 | func fetchCLIReleasePointer(c *http.Client, pointerURL string, channel cliReleaseChannel) (*ghRelease, error) { |
| 563 | req, err := http.NewRequest("GET", pointerURL, nil) |
| 564 | if err != nil { |
| 565 | return nil, err |
| 566 | } |
| 567 | req.Header.Set("Accept", "application/json") |
| 568 | req.Header.Set("User-Agent", "reasonix-cli") |
| 569 | |
| 570 | resp, err := c.Do(req) |
| 571 | if err != nil { |
| 572 | return nil, err |
| 573 | } |
| 574 | defer resp.Body.Close() |
| 575 | if resp.StatusCode != http.StatusOK { |
| 576 | return nil, fmt.Errorf("%s", resp.Status) |
| 577 | } |
| 578 | |
| 579 | var rel ghRelease |
| 580 | if err := json.NewDecoder(resp.Body).Decode(&rel); err != nil { |
| 581 | return nil, err |
| 582 | } |
| 583 | if !releaseBelongsToCLIChannel(rel, channel) { |
| 584 | return nil, fmt.Errorf("pointer tag %q does not belong to %s", rel.TagName, channel) |
| 585 | } |
| 586 | if !releaseHasCompleteCLIAssets(rel) { |
| 587 | return nil, fmt.Errorf("pointer tag %q is missing required CLI assets", rel.TagName) |
| 588 | } |
| 589 | return &rel, nil |
| 590 | } |
| 591 | |
| 592 | func fetchBytesSized(c *http.Client, url string, expectedSize int64) ([]byte, error) { |
| 593 | if !validCLIAssetSize(expectedSize) { |
| 594 | return nil, fmt.Errorf("GET %s: invalid expected asset size %d", url, expectedSize) |
| 595 | } |
| 596 | resp, err := c.Get(url) |
| 597 | if err != nil { |
| 598 | return nil, err |
| 599 | } |
| 600 | defer resp.Body.Close() |
| 601 | if resp.StatusCode != http.StatusOK { |
| 602 | return nil, fmt.Errorf("GET %s: %s", url, resp.Status) |
| 603 | } |
| 604 | data, err := io.ReadAll(io.LimitReader(resp.Body, expectedSize+1)) |
| 605 | if err != nil { |
| 606 | return nil, err |
| 607 | } |
| 608 | if int64(len(data)) != expectedSize { |
| 609 | return nil, fmt.Errorf("GET %s: downloaded size mismatch: got %d want %d", url, len(data), expectedSize) |
| 610 | } |
| 611 | return data, nil |
| 612 | } |
| 613 | |
| 614 | // verifyChecksum checks that data's SHA256 matches the entry for fileName in |
| 615 | // the SHA256SUMS-format checksum file. |
| 616 | func verifyChecksum(data []byte, fileName string, checksumFile []byte) error { |
| 617 | sum := sha256.Sum256(data) |
| 618 | got := hex.EncodeToString(sum[:]) |
| 619 | |
| 620 | for _, line := range strings.Split(strings.TrimSpace(string(checksumFile)), "\n") { |
| 621 | line = strings.TrimSpace(line) |
| 622 | if line == "" { |
| 623 | continue |
| 624 | } |
| 625 | parts := strings.Fields(line) |
| 626 | if len(parts) >= 2 && parts[1] == fileName { |
| 627 | if !strings.EqualFold(parts[0], got) { |
| 628 | return fmt.Errorf(i18n.M.UpgradeChecksumMismatchFmt, got, parts[0]) |
| 629 | } |
| 630 | return nil |
| 631 | } |
| 632 | } |
| 633 | return fmt.Errorf(i18n.M.UpgradeChecksumNotFoundFmt, fileName) |
| 634 | } |
| 635 | |
| 636 | // extractBinary pulls the "reasonix" binary from a .tar.gz or .zip archive. |
| 637 | func extractBinary(data []byte, archiveName, binaryName string) ([]byte, error) { |
| 638 | if strings.HasSuffix(archiveName, ".zip") { |
| 639 | return extractFromZip(data, binaryName) |
| 640 | } |
| 641 | return extractFromTarGz(data, binaryName) |
| 642 | } |
| 643 | |
| 644 | // extractFromTarGz extracts a named binary from a .tar.gz archive. |
| 645 | func extractFromTarGz(data []byte, name string) ([]byte, error) { |
| 646 | gz, err := gzip.NewReader(bytes.NewReader(data)) |
| 647 | if err != nil { |
| 648 | return nil, err |
| 649 | } |
| 650 | defer gz.Close() |
| 651 | tr := tar.NewReader(gz) |
| 652 | for { |
| 653 | h, err := tr.Next() |
| 654 | if err == io.EOF { |
| 655 | break |
| 656 | } |
| 657 | if err != nil { |
| 658 | return nil, err |
| 659 | } |
| 660 | if h.Typeflag == tar.TypeReg && (h.Name == name || strings.HasSuffix(h.Name, "/"+name)) { |
| 661 | return io.ReadAll(tr) |
| 662 | } |
| 663 | } |
| 664 | return nil, fmt.Errorf("%q not found in archive", name) |
| 665 | } |
| 666 | |
| 667 | // extractFromZip extracts a named binary from a .zip archive (Windows). |
| 668 | func extractFromZip(data []byte, name string) ([]byte, error) { |
| 669 | r, err := zip.NewReader(bytes.NewReader(data), int64(len(data))) |
| 670 | if err != nil { |
| 671 | return nil, err |
| 672 | } |
| 673 | for _, f := range r.File { |
| 674 | if f.FileInfo().IsDir() { |
| 675 | continue |
| 676 | } |
| 677 | base := filepath.Base(f.Name) |
| 678 | if base == name { |
| 679 | rc, err := f.Open() |
| 680 | if err != nil { |
| 681 | return nil, err |
| 682 | } |
| 683 | defer rc.Close() |
| 684 | return io.ReadAll(rc) |
| 685 | } |
| 686 | } |
| 687 | return nil, fmt.Errorf("%q not found in zip archive", name) |
| 688 | } |
| 689 | |
| 690 | // replaceBinary writes newBin to the running executable's path atomically. |
| 691 | // |
| 692 | // On Unix this is a simple temp-file + rename. On Windows the running |
| 693 | // executable is memory-mapped and cannot be overwritten directly, so we |
| 694 | // rename it aside to .reasonix.old first, then place the new binary. |
| 695 | // The .old file is cleaned up best-effort (Windows may still hold a lock |
| 696 | // on it; we hide it in that case). |
| 697 | func replaceBinary(newBin []byte) error { |
| 698 | exe, err := os.Executable() |
| 699 | if err != nil { |
| 700 | return fmt.Errorf("locate executable: %w", err) |
| 701 | } |
| 702 | resolved, err := resolveSymlinks(exe) |
| 703 | if err != nil { |
| 704 | return fmt.Errorf("resolve symlinks: %w", err) |
| 705 | } |
| 706 | |
| 707 | dir := filepath.Dir(resolved) |
| 708 | base := filepath.Base(resolved) |
| 709 | tmpPath := filepath.Join(dir, fmt.Sprintf(".%s.new", base)) |
| 710 | |
| 711 | // Write new binary to .new temp file. |
| 712 | if err := os.WriteFile(tmpPath, newBin, 0o755); err != nil { |
| 713 | os.Remove(tmpPath) |
| 714 | return fmt.Errorf("write temp: %w", err) |
| 715 | } |
| 716 | |
| 717 | if runtime.GOOS == "windows" { |
| 718 | return commitWindows(resolved, tmpPath, base, dir) |
| 719 | } |
| 720 | |
| 721 | // Unix: atomic rename .new → target. |
| 722 | if err := os.Rename(tmpPath, resolved); err != nil { |
| 723 | os.Remove(tmpPath) |
| 724 | return fmt.Errorf("rename: %w", err) |
| 725 | } |
| 726 | return nil |
| 727 | } |
| 728 | |
| 729 | // commitWindows performs the two-phase rename on Windows: |
| 730 | // 1. Rename running exe → .old (allowed while running) |
| 731 | // 2. Rename .new → target |
| 732 | // 3. Best-effort remove .old (hide if still locked) |
| 733 | func commitWindows(target, newPath, base, dir string) error { |
| 734 | oldPath := filepath.Join(dir, fmt.Sprintf(".%s.old", base)) |
| 735 | |
| 736 | // Remove any leftover .old from a previous update. |
| 737 | _ = os.Remove(oldPath) |
| 738 | |
| 739 | // Move the running executable aside. |
| 740 | if err := os.Rename(target, oldPath); err != nil { |
| 741 | os.Remove(newPath) |
| 742 | return fmt.Errorf("rename running exe aside: %w", err) |
| 743 | } |
| 744 | |
| 745 | // Move the new binary into place. |
| 746 | if err := os.Rename(newPath, target); err != nil { |
| 747 | // Rollback: try to restore the old binary. |
| 748 | if rerr := os.Rename(oldPath, target); rerr != nil { |
| 749 | return fmt.Errorf("replace failed (%v); rollback also failed: %w", err, rerr) |
| 750 | } |
| 751 | return fmt.Errorf("rename new binary: %w", err) |
| 752 | } |
| 753 | |
| 754 | // Best-effort cleanup of the old binary. |
| 755 | if err := os.Remove(oldPath); err != nil { |
| 756 | // Windows may hold a lock; hide the file so it doesn't clutter the dir. |
| 757 | hideFileWindows(oldPath) |
| 758 | } |
| 759 | return nil |
| 760 | } |
| 761 | |
| 762 | // resolveSymlinks follows symlinks; falls back to the original path on error. |
| 763 | func resolveSymlinks(p string) (string, error) { |
| 764 | r, err := filepath.EvalSymlinks(p) |
| 765 | if err != nil { |
| 766 | return p, nil |
| 767 | } |
| 768 | return r, nil |
| 769 | } |
| 770 | |
| 771 | // humanSize returns a human-readable byte size. |
| 772 | func humanSize(b int64) string { |
| 773 | const ( |
| 774 | _KiB = 1024 |
| 775 | _MiB = 1024 * _KiB |
| 776 | ) |
| 777 | switch { |
| 778 | case b >= _MiB: |
| 779 | return fmt.Sprintf("%.1f MiB", float64(b)/float64(_MiB)) |
| 780 | case b >= _KiB: |
| 781 | return fmt.Sprintf("%.1f KiB", float64(b)/float64(_KiB)) |
| 782 | default: |
| 783 | return fmt.Sprintf("%d B", b) |
| 784 | } |
| 785 | } |
| 786 |