447 lines
21 KiB
Go
447 lines
21 KiB
Go
package validator
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import (
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"encoding/hex"
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"fmt"
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"net"
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"net/url"
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"regexp"
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"strings"
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"browser.local/platform/domain"
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)
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var (
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runtimeDLLModKeyPattern = regexp.MustCompile(`^[a-z0-9][a-z0-9_-]{0,79}$`)
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runtimeDLLABIPattern = regexp.MustCompile(`^[A-Za-z0-9._-]{1,80}$`)
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)
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func ValidateGamePluginRuntimeProfiles(profiles domain.GamePluginRuntimeProfiles) error {
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profiles = domain.CopyGamePluginRuntimeProfiles(profiles)
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var violations []string
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lifecycleKeys := map[string]struct{}{}
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transportKeys := map[string]struct{}{}
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transportProfiles := map[string]domain.RuntimeTransportProfile{}
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dataTargetKeys := map[string]struct{}{}
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dataTargetWorkspaces := map[string]struct{}{}
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dllExtensionKeys := map[string]struct{}{}
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dllExtensionStates := map[string]string{}
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discoveryKeys := map[string]struct{}{}
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dependencyKeys := map[string]struct{}{}
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installPlanKeys := map[string]struct{}{}
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logSourceKeys := map[string]struct{}{}
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for i, probe := range profiles.Discovery {
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prefix := fmt.Sprintf("runtimeProfiles.discovery[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", probe.Key)...)
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violations = append(violations, recordRuntimeProfileKey(discoveryKeys, prefix+".key", probe.Key)...)
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violations = append(violations, validateProfileKey(prefix+".targetKey", probe.TargetKey)...)
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if !oneOf(probe.Kind, "file.exists", "command.version", "service.status", "port.open", "steam.app", "docker.container") {
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violations = append(violations, prefix+".kind is invalid")
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}
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violations = append(violations, validateRuntimePlatforms(prefix+".platforms", probe.Platforms)...)
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violations = append(violations, validateSafeRuntimeValue(prefix+".expected", probe.Expected)...)
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}
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for i, profile := range profiles.LifecycleProfiles {
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prefix := fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", profile.Key)...)
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violations = append(violations, recordRuntimeProfileKey(lifecycleKeys, prefix+".key", profile.Key)...)
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if !oneOf(profile.Mode, "local-process", "hosted-ftp-rcon", "ftp-only") {
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violations = append(violations, prefix+".mode is invalid")
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}
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if len(profile.Capabilities) == 0 {
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violations = append(violations, prefix+".capabilities must not be empty")
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}
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for j, capability := range profile.Capabilities {
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if !validPluginRunCapability(capability) {
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violations = append(violations, fmt.Sprintf("%s.capabilities[%d] is not allowed", prefix, j))
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}
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}
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violations = append(violations, duplicateViolations(prefix+".capabilities", profile.Capabilities)...)
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violations = append(violations, validateLifecycleActionsOptional(profile.ActionRefs)...)
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for j, key := range profile.TransportKeys {
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violations = append(violations, validateProfileKey(fmt.Sprintf("%s.transportKeys[%d]", prefix, j), key)...)
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}
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violations = append(violations, duplicateViolations(prefix+".transportKeys", profile.TransportKeys)...)
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for j, key := range profile.DLLExtensionRefs {
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violations = append(violations, validateProfileKey(fmt.Sprintf("%s.dllExtensionRefs[%d]", prefix, j), key)...)
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}
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violations = append(violations, duplicateViolations(prefix+".dllExtensionRefs", profile.DLLExtensionRefs)...)
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violations = append(violations, validateRuntimePlatforms(prefix+".platforms", profile.Platforms)...)
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}
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for i, probe := range profiles.DependencyProbes {
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prefix := fmt.Sprintf("runtimeProfiles.dependencyProbes[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", probe.Key)...)
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violations = append(violations, recordRuntimeProfileKey(dependencyKeys, prefix+".key", probe.Key)...)
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violations = append(violations, validateProfileKey(prefix+".targetKey", probe.TargetKey)...)
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if !oneOf(probe.Kind, "command.version", "service.exists", "port.available", "steam.app", "java.version", "docker.available", "package.installed", "file.exists") {
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violations = append(violations, prefix+".kind is invalid")
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}
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violations = append(violations, validateSafeRuntimeValue(prefix+".minimumVersion", probe.MinimumVersion)...)
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violations = append(violations, validateRuntimePlatforms(prefix+".platforms", probe.Platforms)...)
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}
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for i, plan := range profiles.InstallPlans {
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prefix := fmt.Sprintf("runtimeProfiles.installPlans[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", plan.Key)...)
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violations = append(violations, recordRuntimeProfileKey(installPlanKeys, prefix+".key", plan.Key)...)
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violations = appendRequired(violations, prefix+".title", plan.Title)
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violations = append(violations, validateSafeRuntimeValue(prefix+".title", plan.Title)...)
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if len(plan.Steps) == 0 {
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violations = append(violations, prefix+".steps must not be empty")
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}
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if len(plan.Steps) > 64 {
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violations = append(violations, prefix+".steps must not exceed 64")
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}
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for j, step := range plan.Steps {
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stepPrefix := fmt.Sprintf("%s.steps[%d]", prefix, j)
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if !oneOf(step.Type, "package", "verified-download", "manual") {
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violations = append(violations, stepPrefix+".type is invalid")
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}
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violations = append(violations, validateProfileKey(stepPrefix+".targetKey", step.TargetKey)...)
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for field, value := range map[string]string{"packageManager": step.PackageManager, "packageName": step.PackageName, "version": step.Version} {
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violations = append(violations, validateSafeRuntimeValue(stepPrefix+"."+field, value)...)
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}
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if step.DownloadRef != "" {
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parsed, err := url.Parse(step.DownloadRef)
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host := ""
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if parsed != nil {
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host = strings.ToLower(parsed.Hostname())
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}
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ip := net.ParseIP(host)
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if err != nil || parsed.Scheme != "https" || parsed.Host == "" || parsed.User != nil || parsed.Fragment != "" || host == "localhost" || strings.HasSuffix(host, ".localhost") || ip != nil && (ip.IsLoopback() || ip.IsPrivate() || ip.IsUnspecified() || ip.IsLinkLocalUnicast()) {
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violations = append(violations, stepPrefix+".downloadRef must be a credential-free HTTPS URL")
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}
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}
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if step.Checksum != "" {
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encoded := strings.TrimPrefix(step.Checksum, "sha256:")
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if !strings.HasPrefix(step.Checksum, "sha256:") || len(encoded) != 64 {
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violations = append(violations, stepPrefix+".checksum is invalid")
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} else if _, err := hex.DecodeString(encoded); err != nil {
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violations = append(violations, stepPrefix+".checksum is invalid")
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}
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}
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switch step.Type {
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case "package":
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if !oneOf(step.PackageManager, "winget", "choco", "scoop", "apt", "yum", "dnf", "pacman", "zypper", "brew") {
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violations = append(violations, stepPrefix+".packageManager is unsupported for package step")
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}
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if !regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9_.:+@/-]{0,119}$`).MatchString(step.PackageName) {
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violations = append(violations, stepPrefix+".packageName is invalid")
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}
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case "verified-download":
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if step.DownloadRef == "" || step.Checksum == "" {
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violations = append(violations, stepPrefix+" requires downloadRef and checksum")
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}
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case "manual":
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if step.DownloadRef != "" || step.Checksum != "" || step.PackageManager != "" || step.PackageName != "" || step.Version != "" {
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violations = append(violations, stepPrefix+" manual step cannot contain machine execution fields")
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}
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}
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}
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violations = append(violations, validateRuntimePlatforms(prefix+".platforms", plan.Platforms)...)
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}
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for i, source := range profiles.LogSources {
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prefix := fmt.Sprintf("runtimeProfiles.logSources[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", source.Key)...)
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violations = append(violations, recordRuntimeProfileKey(logSourceKeys, prefix+".key", source.Key)...)
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if !oneOf(source.Kind, "process.stdout", "process.stderr", "file.tail", "ftp.poll", "sql.query") {
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violations = append(violations, prefix+".kind is invalid")
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}
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if source.TargetKey != "" {
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violations = append(violations, validateProfileKey(prefix+".targetKey", source.TargetKey)...)
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}
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violations = append(violations, validateProfileKey(prefix+".streamKey", source.StreamKey)...)
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if source.CursorKind != "" && !oneOf(source.CursorKind, "sequence", "offset", "fingerprint", "ftp-listing", "sql-cursor") {
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violations = append(violations, prefix+".cursorKind is invalid")
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}
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if source.RetentionDays < 0 || source.RetentionDays > 365 {
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violations = append(violations, prefix+".retentionDays is invalid")
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}
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}
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for i, transport := range profiles.TransportProfiles {
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prefix := fmt.Sprintf("runtimeProfiles.transportProfiles[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", transport.Key)...)
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violations = append(violations, recordRuntimeProfileKey(transportKeys, prefix+".key", transport.Key)...)
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if !oneOf(transport.Kind, "file", "ftp", "rsync", "mysql", "sqlite", "rcon", "program") {
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violations = append(violations, prefix+".kind is invalid")
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}
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if transport.TargetKey != "" {
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violations = append(violations, validateProfileKey(prefix+".targetKey", transport.TargetKey)...)
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}
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if len(transport.Capabilities) == 0 {
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violations = append(violations, prefix+".capabilities must not be empty")
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}
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for j, capability := range transport.Capabilities {
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if !validPluginRunCapability(capability) {
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violations = append(violations, fmt.Sprintf("%s.capabilities[%d] is not allowed", prefix, j))
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}
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}
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violations = append(violations, duplicateViolations(prefix+".capabilities", transport.Capabilities)...)
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if transport.Key != "" {
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transportProfiles[transport.Key] = transport
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}
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}
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if len(profiles.DataTargets) > 16 {
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violations = append(violations, "runtimeProfiles.dataTargets must not exceed 16")
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}
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for i, target := range profiles.DataTargets {
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prefix := fmt.Sprintf("runtimeProfiles.dataTargets[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", target.Key)...)
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violations = append(violations, recordRuntimeProfileKey(dataTargetKeys, prefix+".key", target.Key)...)
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violations = append(violations, validateProfileKey(prefix+".transportKey", target.TransportKey)...)
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violations = append(violations, validateProfileKey(prefix+".sourceRootKey", target.SourceRootKey)...)
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violations = append(violations, validateSafeRelativeRuntimePath(prefix+".sourcePath", target.SourcePath)...)
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violations = append(violations, validateProfileKey(prefix+".workspaceKey", target.WorkspaceKey)...)
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if target.Kind != "sqlite.snapshot" || target.RefreshPolicy != "on-demand-snapshot" || !strings.HasPrefix(target.WorkspaceKey, "databases/") {
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violations = append(violations, prefix+" must declare an on-demand sqlite snapshot workspace")
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}
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if target.MaxBytes < 1 || target.MaxBytes > 1024*1024*1024 {
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violations = append(violations, prefix+".maxBytes is invalid")
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}
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violations = append(violations, validateRuntimePlatforms(prefix+".platforms", target.Platforms)...)
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if _, exists := dataTargetWorkspaces[target.WorkspaceKey]; exists {
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violations = append(violations, prefix+".workspaceKey is duplicated")
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}
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dataTargetWorkspaces[target.WorkspaceKey] = struct{}{}
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transport, exists := transportProfiles[target.TransportKey]
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if !exists || transport.Kind != "sqlite" || transport.TargetKey != target.TransportKey || !containsString(transport.Capabilities, domain.JobCapabilityRemoteRunDBSQLiteQuery) {
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violations = append(violations, prefix+".transportKey must reference a declared SQLite query transport")
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}
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}
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for i, extension := range profiles.DLLExtensions {
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prefix := fmt.Sprintf("runtimeProfiles.dllExtensions[%d]", i)
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violations = append(violations, validateProfileKey(prefix+".key", extension.Key)...)
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violations = append(violations, recordRuntimeProfileKey(dllExtensionKeys, prefix+".key", extension.Key)...)
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if extension.Key != "" {
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dllExtensionStates[extension.Key] = extension.ReleaseState
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}
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violations = append(violations, validateRuntimeDLLExtensionProfile(prefix, extension)...)
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}
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for i, profile := range profiles.LifecycleProfiles {
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for _, key := range profile.TransportKeys {
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if _, ok := transportKeys[key]; !ok {
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violations = append(violations, fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d].transportKeys references undeclared transport %q", i, key))
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}
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}
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if len(profile.DLLExtensionRefs) > 0 {
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if profile.Mode != "local-process" || !containsString(profile.Capabilities, domain.LifecycleCapabilityStart) || len(profile.Platforms) != 1 || profile.Platforms[0] != "windows" {
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violations = append(violations, fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d] DLL extensions require a windows local-process start profile", i))
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}
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for _, key := range profile.DLLExtensionRefs {
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state, exists := dllExtensionStates[key]
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if !exists {
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violations = append(violations, fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d].dllExtensionRefs references undeclared DLL extension %q", i, key))
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continue
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}
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if state != "ready" {
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violations = append(violations, fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d].dllExtensionRefs references unpublished DLL extension %q", i, key))
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}
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}
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}
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}
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return finish(violations)
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}
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func validateRuntimeDLLExtensionProfile(prefix string, extension domain.RuntimeDLLExtensionProfile) []string {
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var violations []string
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if extension.Kind != "ue4ss-dll" || extension.Activation != "server-start" {
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violations = append(violations, prefix+".kind and activation must be ue4ss-dll/server-start")
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}
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if !validSemanticVersion(extension.Version) {
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violations = append(violations, prefix+".version must be semantic")
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}
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violations = append(violations, validateSafeRuntimeValue(prefix+".displayName", extension.DisplayName)...)
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violations = append(violations, validateProfileKey(prefix+".targetKey", extension.TargetKey)...)
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if !runtimeDLLModKeyPattern.MatchString(extension.ModKey) {
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violations = append(violations, prefix+".modKey is invalid")
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}
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if extension.DLLRef != "ue4ss/Mods/"+extension.ModKey+"/dlls/main.dll" {
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violations = append(violations, prefix+".dllRef must be the declared UE4SS main.dll path")
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}
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if extension.UpdateOnStart != true {
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violations = append(violations, prefix+".updateOnStart must be true")
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}
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if extension.RCONPort < 1024 || extension.RCONPort > 65535 {
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violations = append(violations, prefix+".rconPort must be an unprivileged port")
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}
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if len(extension.SupportedTargets) != 1 || extension.SupportedTargets[0].OS != "windows" || extension.SupportedTargets[0].Arch != "amd64" {
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violations = append(violations, prefix+".supportedTargets must contain only windows/amd64")
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}
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if extension.ReleaseState != "ready" && extension.ReleaseState != "unpublished" {
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violations = append(violations, prefix+".releaseState is invalid")
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}
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if extension.ReleaseURL != "" {
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violations = append(violations, validateRuntimeDLLReleaseURL(prefix+".releaseUrl", extension.ReleaseURL)...)
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}
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if extension.ReleaseState == "ready" {
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if extension.ReleaseURL == "" {
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violations = append(violations, prefix+".releaseUrl is required for a ready release")
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}
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if !validSHA256Checksum(extension.Checksum) || !validSHA256Checksum(extension.TargetExecutableChecksum) {
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violations = append(violations, prefix+".checksum and targetExecutableChecksum must be SHA-256")
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}
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if extension.SizeBytes < 1 || extension.SizeBytes > 128*1024*1024 {
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violations = append(violations, prefix+".sizeBytes is out of bounds")
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}
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if !runtimeDLLABIPattern.MatchString(extension.UE4SSABI) {
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violations = append(violations, prefix+".ue4ssAbi is invalid")
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}
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}
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return violations
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}
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func validateRuntimeDLLReleaseURL(field string, value string) []string {
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parsed, err := url.Parse(value)
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host := ""
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if parsed != nil {
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host = strings.ToLower(parsed.Hostname())
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}
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ip := net.ParseIP(host)
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if err != nil || parsed == nil || parsed.Scheme != "https" || parsed.Host == "" || parsed.User != nil || parsed.Fragment != "" || parsed.RawQuery != "" || parsed.Port() != "" && parsed.Port() != "443" || host == "localhost" || strings.HasSuffix(host, ".localhost") || strings.HasSuffix(host, ".local") || ip != nil && (ip.IsLoopback() || ip.IsPrivate() || ip.IsUnspecified() || ip.IsLinkLocalUnicast()) || !strings.HasSuffix(strings.ToLower(parsed.Path), ".dll") {
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return []string{field + " must be a public credential-free HTTPS DLL URL"}
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}
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return nil
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}
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func validateRuntimeDLLExtensionPlan(prefix string, plan domain.RuntimeDLLExtensionPlan) []string {
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return validateRuntimeDLLExtensionProfile(prefix, domain.RuntimeDLLExtensionProfile{
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Key: plan.Key,
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Kind: "ue4ss-dll",
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Activation: "server-start",
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Version: plan.Version,
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ReleaseState: "ready",
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ReleaseURL: plan.ReleaseURL,
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Checksum: plan.Checksum,
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SizeBytes: plan.SizeBytes,
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TargetKey: plan.TargetKey,
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ModKey: plan.ModKey,
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DLLRef: plan.DLLRef,
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TargetExecutableChecksum: plan.TargetExecutableChecksum,
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UE4SSABI: plan.UE4SSABI,
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SupportedTargets: []domain.RuntimeTarget{{OS: "windows", Arch: "amd64"}},
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UpdateOnStart: true,
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RCONPort: plan.RCONPort,
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})
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}
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func validateProfileKey(field, value string) []string {
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if strings.TrimSpace(value) == "" {
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return []string{field + " is required"}
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}
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if !validDistributionLogicalKey(value) {
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return []string{field + " is invalid"}
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}
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return nil
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}
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func validateRuntimePlatforms(field string, platforms []string) []string {
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var violations []string
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for i, platform := range platforms {
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if !validPluginSupportedOS(platform) {
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violations = append(violations, fmt.Sprintf("%s[%d] is invalid", field, i))
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}
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}
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return append(violations, duplicateViolations(field, platforms)...)
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}
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func validateSafeRuntimeValue(field, value string) []string {
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if value == "" {
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return nil
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}
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lowered := strings.ToLower(value)
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if strings.HasPrefix(value, "/") || strings.HasPrefix(value, `\`) || strings.Contains(value, "://") || containsUnsafeRuntimeSecret(value) || looksLikeRawHostPath(value) || strings.Contains(value, "..") || strings.ContainsAny(value, "\r\n") || strings.Contains(lowered, "bash -c") || strings.Contains(lowered, "powershell -") || strings.Contains(lowered, "cmd.exe") || strings.Contains(lowered, "curl |") {
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return []string{field + " contains unsafe runtime content"}
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}
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return nil
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}
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func recordRuntimeProfileKey(seen map[string]struct{}, field, key string) []string {
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if key == "" {
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return nil
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}
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if _, exists := seen[key]; exists {
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return []string{field + " is duplicated"}
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}
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seen[key] = struct{}{}
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return nil
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}
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func validateRuntimeProfileCapabilityDeclarations(profiles domain.GamePluginRuntimeProfiles, declared []string) []string {
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declaredSet := map[string]struct{}{}
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for _, capability := range declared {
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declaredSet[capability] = struct{}{}
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}
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var violations []string
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check := func(field string, capabilities []string) {
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for i, capability := range capabilities {
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if _, ok := declaredSet[capability]; !ok {
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violations = append(violations, fmt.Sprintf("%s[%d] must also be declared in manifest capabilities", field, i))
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}
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}
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}
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for i, profile := range profiles.LifecycleProfiles {
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check(fmt.Sprintf("runtimeProfiles.lifecycleProfiles[%d].capabilities", i), profile.Capabilities)
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}
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for i, transport := range profiles.TransportProfiles {
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check(fmt.Sprintf("runtimeProfiles.transportProfiles[%d].capabilities", i), transport.Capabilities)
|
|
}
|
|
return violations
|
|
}
|
|
|
|
func validateLifecycleActionsOptional(actions domain.PluginLifecycleActions) []string {
|
|
var violations []string
|
|
for field, value := range map[string]string{"install": actions.Install, "start": actions.Start, "stop": actions.Stop, "restart": actions.Restart, "status": actions.Status} {
|
|
if value != "" && !safeRelativeJSONRef(value) {
|
|
violations = append(violations, "runtime actionRefs."+field+" must be a safe relative JSON reference")
|
|
}
|
|
}
|
|
return violations
|
|
}
|
|
|
|
func oneOf(value string, allowed ...string) bool {
|
|
for _, candidate := range allowed {
|
|
if value == candidate {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func validateSafeRelativeRuntimePath(field, value string) []string {
|
|
if strings.TrimSpace(value) == "" || strings.HasPrefix(value, "/") || strings.HasPrefix(value, `\`) || strings.Contains(value, "..") || strings.Contains(value, "://") || strings.ContainsAny(value, "\r\n|;&`$<>") || len(value) >= 2 && value[1] == ':' || !regexp.MustCompile(`^[A-Za-z0-9_./-]{1,160}$`).MatchString(value) {
|
|
return []string{field + " must be a safe relative path"}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func validSemanticVersion(value string) bool {
|
|
_, ok := semanticVersionTuple(value)
|
|
return ok
|
|
}
|
|
|
|
func semanticVersionTuple(value string) ([3]int, bool) {
|
|
match := regexp.MustCompile(`^(\d+)\.(\d+)\.(\d+)(?:-[0-9A-Za-z.-]+)?$`).FindStringSubmatch(value)
|
|
if match == nil {
|
|
return [3]int{}, false
|
|
}
|
|
var result [3]int
|
|
for i := 0; i < 3; i++ {
|
|
if _, err := fmt.Sscanf(match[i+1], "%d", &result[i]); err != nil {
|
|
return [3]int{}, false
|
|
}
|
|
}
|
|
return result, true
|
|
}
|
|
|
|
func compareSemanticVersion(left, right [3]int) int {
|
|
for i := 0; i < 3; i++ {
|
|
if left[i] < right[i] {
|
|
return -1
|
|
}
|
|
if left[i] > right[i] {
|
|
return 1
|
|
}
|
|
}
|
|
return 0
|
|
}
|