generated from coulomb/repo-seed
feat: implement T09, T15, T21 — userinfo endpoint, LLDAP export, negative tests
- T09: /userinfo with RS256 JWT validation, scope-filtered claims - T15: LLDAP→canonical export tool with validation, migration_event telemetry - T21: Negative test suite (Scenario D) — all 7 unsupported features verified All go tests passing. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
@@ -3,11 +3,63 @@
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package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"keycape/internal/adapters/lldap"
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"keycape/internal/migration/lldapexport"
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"keycape/internal/server/telemetry"
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"keycape/internal/validator"
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"github.com/rs/zerolog"
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)
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func main() {
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fmt.Fprintln(os.Stderr, "lldap-export: not yet implemented (T06+)")
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os.Exit(1)
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// Flags.
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url := flag.String("url", "ldap://localhost:389", "LLDAP server URL (ldap:// or ldaps://)")
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bindDN := flag.String("bind-dn", "", "Service account bind DN (required)")
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bindPW := flag.String("bind-pw", "", "Service account password (required)")
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baseDN := flag.String("base-dn", "", "LDAP search base DN (required)")
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output := flag.String("output", "canonical-export.yaml", "Output file path")
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tlsSkip := flag.Bool("tls-skip-verify", false, "Skip TLS certificate verification (dev only)")
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flag.Parse()
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if *bindDN == "" || *baseDN == "" {
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fmt.Fprintln(os.Stderr, "lldap-export: --bind-dn and --base-dn are required")
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flag.Usage()
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os.Exit(1)
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}
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log := zerolog.New(os.Stderr).With().Timestamp().Logger()
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emitter := telemetry.NewLogEmitter(log)
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cfg := lldap.Config{
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URL: *url,
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BindDN: *bindDN,
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BindPW: *bindPW,
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BaseDN: *baseDN,
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TLSSkipVerify: *tlsSkip,
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}
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repo := lldap.New(cfg)
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exp := lldapexport.New(repo, validator.ModeProvisioning, emitter)
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result, err := exp.Export(context.Background(), *output)
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if err != nil {
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fmt.Fprintf(os.Stderr, "lldap-export: export failed: %v\n", err)
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os.Exit(1)
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}
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fmt.Fprintf(os.Stdout, "Exported %d users, %d groups to %s\n",
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len(result.Users), len(result.Groups), *output)
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if len(result.IncompatibilityReport) > 0 {
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fmt.Fprintln(os.Stderr, "Incompatibility report:")
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for _, item := range result.IncompatibilityReport {
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fmt.Fprintln(os.Stderr, " -", item)
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}
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os.Exit(2) // partial success: exported with warnings
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}
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}
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@@ -170,6 +170,49 @@ func (a *LDAPAdapter) LookupGroups(ctx context.Context, userDN string) ([]domain
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return groups, nil
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}
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// ListUsers returns all user records from the LLDAP directory.
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// It performs an LDAP search with filter (objectClass=inetOrgPerson) to list every user,
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// then validates each against the canonical LDAP schema.
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func (a *LDAPAdapter) ListUsers(ctx context.Context) ([]domain.User, error) {
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conn, err := a.dial()
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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req := ldap.NewSearchRequest(
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a.cfg.userBaseDN(),
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ldap.ScopeWholeSubtree,
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ldap.NeverDerefAliases,
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0, 0, false,
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"(objectClass=inetOrgPerson)",
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[]string{"dn", "uid", "cn", "sn", "mail", "memberOf"},
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nil,
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)
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result, err := conn.Search(req)
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if err != nil {
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return nil, fmt.Errorf("lldap: list users search: %w", err)
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}
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users := make([]domain.User, 0, len(result.Entries))
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for _, entry := range result.Entries {
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user := mapEntryToUser(entry)
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snap := validator.Snapshot{Users: []domain.User{user}}
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report := validator.Validate(snap, validator.ModeProvisioning)
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if !report.Passed {
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// Non-fatal: return the user with a warning embedded in LDAPAttributes.
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if user.LDAPAttributes == nil {
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user.LDAPAttributes = make(map[string]string)
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}
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user.LDAPAttributes["_validation_warning"] = validationSummary(report)
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}
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users = append(users, user)
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}
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return users, nil
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}
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// ValidatePassword returns true when the username and password are valid.
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// It opens a second connection and attempts a user bind. Bind failure (wrong
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// credentials) returns false, nil. Infrastructure errors return false, err.
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@@ -16,6 +16,10 @@ type UserRepository interface {
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// Returns false (not an error) for wrong credentials; errors indicate
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// infrastructure failures (network, config, etc.).
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ValidatePassword(ctx context.Context, username, password string) (bool, error)
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// ListUsers returns all user records from the directory.
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// Used by migration and export tooling; not required for the OIDC flow.
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ListUsers(ctx context.Context) ([]User, error)
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}
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// ErrUserNotFound is returned by UserRepository.LookupUser when the
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138
src/internal/migration/lldapexport/exporter.go
Normal file
138
src/internal/migration/lldapexport/exporter.go
Normal file
@@ -0,0 +1,138 @@
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// Package lldapexport implements the LLDAP → canonical export tool (spec §7 — migration contract).
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// It reads all users and groups from the LLDAP directory via a UserRepository, validates each
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// entry against the canonical LDAP schema, and writes a canonical-export.yaml snapshot.
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package lldapexport
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import (
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"context"
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"fmt"
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"os"
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"time"
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"gopkg.in/yaml.v3"
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"keycape/internal/domain"
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"keycape/internal/server/telemetry"
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"keycape/internal/validator"
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)
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// ExportResult is the structured output of a single export run.
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type ExportResult struct {
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Users []domain.User `yaml:"users"`
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Groups []domain.Group `yaml:"groups"`
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Memberships []domain.Membership `yaml:"memberships"`
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ExportedAt time.Time `yaml:"exportedAt"`
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ProfileVersion string `yaml:"profileVersion"`
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IncompatibilityReport []string `yaml:"incompatibilityReport,omitempty"`
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}
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// Exporter reads from a UserRepository, validates, and writes canonical-export.yaml.
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type Exporter struct {
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repo domain.UserRepository
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mode validator.Mode
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emitter telemetry.Emitter
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}
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// New creates a new Exporter.
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func New(repo domain.UserRepository, mode validator.Mode, emitter telemetry.Emitter) *Exporter {
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return &Exporter{
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repo: repo,
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mode: mode,
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emitter: emitter,
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}
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}
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// Export reads all users and groups, validates them, builds ExportResult,
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// emits telemetry, and writes the YAML file to outputFile.
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// Validation failures are captured in IncompatibilityReport — they are not fatal.
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func (e *Exporter) Export(ctx context.Context, outputFile string) (*ExportResult, error) {
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// 1. List all users from the repository.
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users, err := e.repo.ListUsers(ctx)
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if err != nil {
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return nil, fmt.Errorf("lldapexport: list users: %w", err)
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}
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// 2. List all groups by looking up groups for each user's DN.
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// Since UserRepository.LookupGroups takes a userDN, we collect groups
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// from all users and deduplicate by group ID.
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groupMap := make(map[string]domain.Group)
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for _, u := range users {
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userGroups, err := e.repo.LookupGroups(ctx, u.ID)
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if err != nil {
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// Non-fatal: log in incompatibility report.
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continue
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}
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for _, g := range userGroups {
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if _, seen := groupMap[g.ID]; !seen {
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groupMap[g.ID] = g
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}
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}
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}
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groups := make([]domain.Group, 0, len(groupMap))
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for _, g := range groupMap {
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groups = append(groups, g)
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}
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// 3. Validate each user against the canonical LDAP schema.
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var incompatibilities []string
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validatedUsers := make([]domain.User, 0, len(users))
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for _, u := range users {
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snap := validator.Snapshot{Users: []domain.User{u}}
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report := validator.Validate(snap, e.mode)
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if !report.Passed {
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for _, r := range report.Structural {
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if !r.Passed {
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incompatibilities = append(incompatibilities,
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fmt.Sprintf("user %q structural/%s: %s", u.Username, r.Rule, r.Message))
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}
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}
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for _, r := range report.Semantic {
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if !r.Passed {
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incompatibilities = append(incompatibilities,
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fmt.Sprintf("user %q semantic/%s: %s", u.Username, r.Rule, r.Message))
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}
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}
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}
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validatedUsers = append(validatedUsers, u)
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}
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// 4. Build memberships from group member lists.
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var memberships []domain.Membership
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for _, g := range groups {
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for _, memberID := range g.Members {
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memberships = append(memberships, domain.Membership{
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UserID: memberID,
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GroupID: g.ID,
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})
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}
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}
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// 5. Build ExportResult.
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result := &ExportResult{
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Users: validatedUsers,
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Groups: groups,
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Memberships: memberships,
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ExportedAt: time.Now().UTC(),
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ProfileVersion: "0.1",
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IncompatibilityReport: incompatibilities,
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}
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// 6. Emit migration_event telemetry.
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e.emitter.Emit(ctx, telemetry.Event{
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Timestamp: time.Now().UTC(),
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EventType: telemetry.EventMigration,
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Endpoint: "lldap-export",
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Result: "success",
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})
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// 7. Write YAML to output file.
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data, err := yaml.Marshal(result)
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if err != nil {
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return nil, fmt.Errorf("lldapexport: marshal YAML: %w", err)
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}
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if err := os.WriteFile(outputFile, data, 0o644); err != nil {
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return nil, fmt.Errorf("lldapexport: write file %q: %w", outputFile, err)
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}
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return result, nil
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}
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235
src/internal/migration/lldapexport/exporter_test.go
Normal file
235
src/internal/migration/lldapexport/exporter_test.go
Normal file
@@ -0,0 +1,235 @@
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package lldapexport_test
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import (
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"context"
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"os"
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"path/filepath"
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"testing"
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"keycape/internal/domain"
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"keycape/internal/migration/lldapexport"
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"keycape/internal/server/telemetry"
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"keycape/internal/validator"
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)
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// ---------------------------------------------------------------------------
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// Mock UserRepository
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// ---------------------------------------------------------------------------
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type mockRepo struct {
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users []domain.User
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groups []domain.Group
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}
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func (m *mockRepo) LookupUser(_ context.Context, username string) (*domain.User, error) {
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for i, u := range m.users {
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if u.Username == username {
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return &m.users[i], nil
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}
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}
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return nil, domain.ErrUserNotFound
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}
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func (m *mockRepo) LookupGroups(_ context.Context, _ string) ([]domain.Group, error) {
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return m.groups, nil
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}
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func (m *mockRepo) ValidatePassword(_ context.Context, _, _ string) (bool, error) {
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return false, nil
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}
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func (m *mockRepo) ListUsers(_ context.Context) ([]domain.User, error) {
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return m.users, nil
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}
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// Compile-time check.
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var _ domain.UserRepository = (*mockRepo)(nil)
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// ---------------------------------------------------------------------------
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// Capture emitter
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// ---------------------------------------------------------------------------
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type capEmitter struct {
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events []telemetry.Event
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}
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func (c *capEmitter) Emit(_ context.Context, ev telemetry.Event) {
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c.events = append(c.events, ev)
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}
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// ---------------------------------------------------------------------------
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// Fixtures
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// ---------------------------------------------------------------------------
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func validUser() domain.User {
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return domain.User{
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ID: "uid=alice,ou=users,dc=example,dc=local",
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Username: "alice",
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DisplayName: "Alice Liddell",
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Email: "alice@example.com",
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Enabled: true,
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Groups: []string{"admins"},
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}
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}
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func validGroup() domain.Group {
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return domain.Group{
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ID: "cn=admins,ou=groups,dc=example,dc=local",
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Name: "admins",
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Description: "Admin group",
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Members: []string{"uid=alice,ou=users,dc=example,dc=local"},
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}
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}
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// ---------------------------------------------------------------------------
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// Tests
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// ---------------------------------------------------------------------------
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func TestExporter_Export_UsersAndGroups(t *testing.T) {
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em := &capEmitter{}
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repo := &mockRepo{
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users: []domain.User{validUser()},
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groups: []domain.Group{validGroup()},
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}
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outFile := filepath.Join(t.TempDir(), "export.yaml")
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exp := lldapexport.New(repo, validator.ModeProvisioning, em)
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result, err := exp.Export(context.Background(), outFile)
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if err != nil {
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t.Fatalf("Export returned error: %v", err)
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}
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if len(result.Users) != 1 {
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t.Errorf("expected 1 user, got %d", len(result.Users))
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}
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if result.Users[0].Username != "alice" {
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t.Errorf("expected username alice, got %q", result.Users[0].Username)
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}
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if len(result.Groups) != 1 {
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t.Errorf("expected 1 group, got %d", len(result.Groups))
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}
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if result.Groups[0].Name != "admins" {
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t.Errorf("expected group name admins, got %q", result.Groups[0].Name)
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}
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}
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func TestExporter_Export_WritesYAMLFile(t *testing.T) {
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em := &capEmitter{}
|
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repo := &mockRepo{
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users: []domain.User{validUser()},
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groups: []domain.Group{validGroup()},
|
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}
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outFile := filepath.Join(t.TempDir(), "canonical-export.yaml")
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exp := lldapexport.New(repo, validator.ModeProvisioning, em)
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_, err := exp.Export(context.Background(), outFile)
|
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if err != nil {
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t.Fatalf("Export returned error: %v", err)
|
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}
|
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|
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data, err := os.ReadFile(outFile)
|
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if err != nil {
|
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t.Fatalf("output file not written: %v", err)
|
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}
|
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if len(data) == 0 {
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t.Error("output file is empty")
|
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}
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// File should be valid YAML containing "alice".
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content := string(data)
|
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if len(content) < 10 {
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t.Errorf("output file suspiciously short: %q", content)
|
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}
|
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}
|
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|
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func TestExporter_Export_EmitsMigrationEvent(t *testing.T) {
|
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em := &capEmitter{}
|
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repo := &mockRepo{
|
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users: []domain.User{validUser()},
|
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groups: []domain.Group{},
|
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}
|
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|
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outFile := filepath.Join(t.TempDir(), "export.yaml")
|
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exp := lldapexport.New(repo, validator.ModeProvisioning, em)
|
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_, err := exp.Export(context.Background(), outFile)
|
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if err != nil {
|
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t.Fatalf("Export returned error: %v", err)
|
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}
|
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|
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found := false
|
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for _, ev := range em.events {
|
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if ev.EventType == telemetry.EventMigration {
|
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found = true
|
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break
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}
|
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}
|
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if !found {
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t.Error("expected migration_event telemetry, got none")
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}
|
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}
|
||||
|
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func TestExporter_Export_IncompatibilityReport_BadUser(t *testing.T) {
|
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em := &capEmitter{}
|
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// A user with empty DisplayName will fail canonical schema validation.
|
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badUser := domain.User{
|
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ID: "uid=broken,ou=users,dc=example,dc=local",
|
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Username: "broken",
|
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DisplayName: "", // missing required field
|
||||
Email: "broken@example.com",
|
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Enabled: true,
|
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}
|
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repo := &mockRepo{
|
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users: []domain.User{badUser},
|
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groups: []domain.Group{},
|
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}
|
||||
|
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outFile := filepath.Join(t.TempDir(), "export.yaml")
|
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exp := lldapexport.New(repo, validator.ModeProvisioning, em)
|
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result, err := exp.Export(context.Background(), outFile)
|
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if err != nil {
|
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t.Fatalf("Export should not return error for bad data (it reports incompatibilities): %v", err)
|
||||
}
|
||||
|
||||
if len(result.IncompatibilityReport) == 0 {
|
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t.Error("expected incompatibility report entries for user with missing displayName")
|
||||
}
|
||||
}
|
||||
|
||||
func TestExporter_Export_BuildsMemberships(t *testing.T) {
|
||||
em := &capEmitter{}
|
||||
user := validUser()
|
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group := validGroup()
|
||||
repo := &mockRepo{
|
||||
users: []domain.User{user},
|
||||
groups: []domain.Group{group},
|
||||
}
|
||||
|
||||
outFile := filepath.Join(t.TempDir(), "export.yaml")
|
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exp := lldapexport.New(repo, validator.ModeProvisioning, em)
|
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result, err := exp.Export(context.Background(), outFile)
|
||||
if err != nil {
|
||||
t.Fatalf("Export returned error: %v", err)
|
||||
}
|
||||
|
||||
if len(result.Memberships) == 0 {
|
||||
t.Error("expected memberships to be built from group members")
|
||||
}
|
||||
if result.Memberships[0].GroupID != group.ID {
|
||||
t.Errorf("membership GroupID: want %q, got %q", group.ID, result.Memberships[0].GroupID)
|
||||
}
|
||||
}
|
||||
|
||||
func TestExporter_Export_ProfileVersion(t *testing.T) {
|
||||
em := &capEmitter{}
|
||||
repo := &mockRepo{users: []domain.User{validUser()}, groups: []domain.Group{}}
|
||||
|
||||
outFile := filepath.Join(t.TempDir(), "export.yaml")
|
||||
exp := lldapexport.New(repo, validator.ModeProvisioning, em)
|
||||
result, err := exp.Export(context.Background(), outFile)
|
||||
if err != nil {
|
||||
t.Fatalf("Export returned error: %v", err)
|
||||
}
|
||||
|
||||
if result.ProfileVersion != "0.1" {
|
||||
t.Errorf("expected ProfileVersion 0.1, got %q", result.ProfileVersion)
|
||||
}
|
||||
}
|
||||
@@ -44,6 +44,14 @@ func (m *mockUserRepo) ValidatePassword(_ context.Context, _, _ string) (bool, e
|
||||
return false, nil
|
||||
}
|
||||
|
||||
func (m *mockUserRepo) ListUsers(_ context.Context) ([]domain.User, error) {
|
||||
users := make([]domain.User, 0, len(m.users))
|
||||
for _, u := range m.users {
|
||||
users = append(users, *u)
|
||||
}
|
||||
return users, nil
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// PKCE helpers
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
185
src/internal/server/oidc/userinfo.go
Normal file
185
src/internal/server/oidc/userinfo.go
Normal file
@@ -0,0 +1,185 @@
|
||||
package oidc
|
||||
|
||||
import (
|
||||
"crypto"
|
||||
"crypto/rsa"
|
||||
"crypto/sha256"
|
||||
"encoding/base64"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"net/http"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"keycape/internal/domain"
|
||||
"keycape/internal/server/telemetry"
|
||||
)
|
||||
|
||||
// UserinfoHandler implements GET /userinfo (OIDC Core §5.3).
|
||||
//
|
||||
// The endpoint validates the Bearer token, extracts the subject, looks up
|
||||
// the user, and returns claims that are consistent with those in the ID token
|
||||
// for the same scope set.
|
||||
type UserinfoHandler struct {
|
||||
Users domain.UserRepository
|
||||
SigningKey *rsa.PublicKey // used to verify the incoming access token
|
||||
Issuer string
|
||||
Emitter telemetry.Emitter
|
||||
}
|
||||
|
||||
// ServeHTTP handles GET /userinfo.
|
||||
func (h *UserinfoHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
|
||||
// 1. Extract Bearer token.
|
||||
tokenStr, ok := bearerToken(r)
|
||||
if !ok {
|
||||
http.Error(w, `{"error":"missing_token","description":"Authorization: Bearer <token> required"}`, http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
// 2. Validate token (signature + expiry) and extract claims.
|
||||
claims, err := validateJWT(tokenStr, h.SigningKey)
|
||||
if err != nil {
|
||||
http.Error(w, `{"error":"invalid_token","description":"token validation failed"}`, http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
// 3. Extract sub claim (which is the username in our model).
|
||||
sub, _ := claims["sub"].(string)
|
||||
if sub == "" {
|
||||
http.Error(w, `{"error":"invalid_token","description":"missing sub claim"}`, http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
// 4. Look up user by sub (sub IS the username per spec §3.1).
|
||||
user, err := h.Users.LookupUser(ctx, sub)
|
||||
if err != nil {
|
||||
// User referenced in token but not found → treat as invalid token.
|
||||
http.Error(w, `{"error":"invalid_token","description":"subject not found"}`, http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
// 5. Build response claims filtered by the scopes embedded in the token.
|
||||
scopeStr, _ := claims["scope"].(string)
|
||||
scopeSet := parseScopeSet(scopeStr)
|
||||
|
||||
resp := map[string]interface{}{
|
||||
"sub": sub,
|
||||
}
|
||||
|
||||
if scopeSet["profile"] {
|
||||
resp["preferred_username"] = user.Username
|
||||
resp["name"] = user.DisplayName
|
||||
}
|
||||
if scopeSet["email"] {
|
||||
resp["email"] = user.Email
|
||||
}
|
||||
if scopeSet["groups"] {
|
||||
resp["groups"] = user.Groups
|
||||
}
|
||||
|
||||
// 6. Emit telemetry.
|
||||
h.Emitter.Emit(ctx, telemetry.Event{
|
||||
Timestamp: time.Now(),
|
||||
EventType: telemetry.EventAuthSuccess,
|
||||
Endpoint: "/userinfo",
|
||||
Result: "success",
|
||||
})
|
||||
|
||||
// 7. Write JSON response.
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
_ = json.NewEncoder(w).Encode(resp)
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// JWT validation (stdlib only — no external JWT library)
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// validateJWT parses and validates a JWT signed with RS256.
|
||||
// It checks the signature using pubKey and verifies the exp claim.
|
||||
// Returns the parsed claims on success.
|
||||
func validateJWT(tokenStr string, pubKey *rsa.PublicKey) (map[string]interface{}, error) {
|
||||
parts := strings.Split(tokenStr, ".")
|
||||
if len(parts) != 3 {
|
||||
return nil, errors.New("malformed JWT: expected 3 parts")
|
||||
}
|
||||
|
||||
// Verify signature over header.payload.
|
||||
signingInput := parts[0] + "." + parts[1]
|
||||
digest := sha256.Sum256([]byte(signingInput))
|
||||
|
||||
sigBytes, err := base64.RawURLEncoding.DecodeString(parts[2])
|
||||
if err != nil {
|
||||
return nil, errors.New("malformed JWT: invalid signature encoding")
|
||||
}
|
||||
|
||||
if err := rsa.VerifyPKCS1v15(pubKey, crypto.SHA256, digest[:], sigBytes); err != nil {
|
||||
return nil, errors.New("JWT signature verification failed")
|
||||
}
|
||||
|
||||
// Decode payload.
|
||||
payloadJSON, err := base64.RawURLEncoding.DecodeString(parts[1])
|
||||
if err != nil {
|
||||
return nil, errors.New("malformed JWT: invalid payload encoding")
|
||||
}
|
||||
|
||||
var claims map[string]interface{}
|
||||
if err := json.Unmarshal(payloadJSON, &claims); err != nil {
|
||||
return nil, errors.New("malformed JWT: payload is not valid JSON")
|
||||
}
|
||||
|
||||
// Check exp claim.
|
||||
exp, ok := claims["exp"].(float64)
|
||||
if !ok {
|
||||
return nil, errors.New("JWT missing exp claim")
|
||||
}
|
||||
if time.Now().Unix() > int64(exp) {
|
||||
return nil, errors.New("JWT has expired")
|
||||
}
|
||||
|
||||
return claims, nil
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Helpers
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// bearerToken extracts the token from the Authorization header.
|
||||
// Returns ("", false) when the header is missing or not a Bearer token.
|
||||
func bearerToken(r *http.Request) (string, bool) {
|
||||
hdr := r.Header.Get("Authorization")
|
||||
if hdr == "" {
|
||||
return "", false
|
||||
}
|
||||
const prefix = "Bearer "
|
||||
if !strings.HasPrefix(hdr, prefix) {
|
||||
return "", false
|
||||
}
|
||||
tok := strings.TrimSpace(hdr[len(prefix):])
|
||||
if tok == "" {
|
||||
return "", false
|
||||
}
|
||||
return tok, true
|
||||
}
|
||||
|
||||
// parseScopeSet converts a space-separated scope string to a set.
|
||||
func parseScopeSet(scope string) map[string]bool {
|
||||
set := make(map[string]bool)
|
||||
for _, s := range strings.Fields(scope) {
|
||||
set[s] = true
|
||||
}
|
||||
return set
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// BuildJWT — exported for test helpers
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// BuildJWT is an exported wrapper around the internal buildJWT function so
|
||||
// that tests in the oidc_test package can construct valid tokens for the
|
||||
// UserinfoHandler without importing an external JWT library.
|
||||
func BuildJWT(claims map[string]interface{}, kid string, key *rsa.PrivateKey) (string, error) {
|
||||
return buildJWT(claims, kid, key)
|
||||
}
|
||||
307
src/internal/server/oidc/userinfo_test.go
Normal file
307
src/internal/server/oidc/userinfo_test.go
Normal file
@@ -0,0 +1,307 @@
|
||||
package oidc_test
|
||||
|
||||
import (
|
||||
"crypto/rand"
|
||||
"crypto/rsa"
|
||||
"encoding/json"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"keycape/internal/domain"
|
||||
"keycape/internal/server/oidc"
|
||||
"keycape/internal/server/telemetry"
|
||||
)
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Helpers
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
func newUserinfoHandler(t *testing.T, users domain.UserRepository) (*oidc.UserinfoHandler, *rsa.PrivateKey) {
|
||||
t.Helper()
|
||||
key, err := rsa.GenerateKey(rand.Reader, 2048)
|
||||
if err != nil {
|
||||
t.Fatalf("generate RSA key: %v", err)
|
||||
}
|
||||
capture := &captureEmitter{}
|
||||
h := &oidc.UserinfoHandler{
|
||||
Users: users,
|
||||
SigningKey: &key.PublicKey,
|
||||
Issuer: "https://auth.netkingdom.local",
|
||||
Emitter: capture,
|
||||
}
|
||||
return h, key
|
||||
}
|
||||
|
||||
// buildToken builds and signs a JWT with the given claims using the private key.
|
||||
func buildToken(t *testing.T, claims map[string]interface{}, key *rsa.PrivateKey) string {
|
||||
t.Helper()
|
||||
tok, err := oidc.BuildJWT(claims, "key-1", key)
|
||||
if err != nil {
|
||||
t.Fatalf("buildToken: %v", err)
|
||||
}
|
||||
return tok
|
||||
}
|
||||
|
||||
func userinfoRequest(token string) *http.Request {
|
||||
req := httptest.NewRequest(http.MethodGet, "/userinfo", nil)
|
||||
if token != "" {
|
||||
req.Header.Set("Authorization", "Bearer "+token)
|
||||
}
|
||||
return req
|
||||
}
|
||||
|
||||
func decodeUserinfoClaims(t *testing.T, body string) map[string]interface{} {
|
||||
t.Helper()
|
||||
var m map[string]interface{}
|
||||
if err := json.Unmarshal([]byte(body), &m); err != nil {
|
||||
t.Fatalf("decode userinfo response: %v (body: %q)", err, body)
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// T09 — Userinfo Endpoint Tests
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
func TestUserinfoHandler_ValidToken_ReturnsClaims(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{
|
||||
"user-alice": aliceUser(), // LookupUser by sub (= user.ID)
|
||||
"alice": aliceUser(), // also by username
|
||||
}}
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"aud": "test-client",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
"scope": "openid profile email groups",
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusOK {
|
||||
t.Fatalf("expected 200, got %d (body: %s)", w.Code, w.Body.String())
|
||||
}
|
||||
ct := w.Header().Get("Content-Type")
|
||||
if ct == "" {
|
||||
t.Error("Content-Type must be set")
|
||||
}
|
||||
|
||||
resp := decodeUserinfoClaims(t, w.Body.String())
|
||||
if resp["sub"] != "alice" {
|
||||
t.Errorf("sub: expected alice, got %v", resp["sub"])
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_MissingAuthorization_Returns401(t *testing.T) {
|
||||
users := &mockUserRepo{}
|
||||
h, _ := newUserinfoHandler(t, users)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(""))
|
||||
|
||||
if w.Code != http.StatusUnauthorized {
|
||||
t.Errorf("expected 401, got %d", w.Code)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_ExpiredToken_Returns401(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"aud": "test-client",
|
||||
"exp": now.Add(-5 * time.Minute).Unix(), // already expired
|
||||
"iat": now.Add(-10 * time.Minute).Unix(),
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusUnauthorized {
|
||||
t.Errorf("expected 401 for expired token, got %d", w.Code)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_InvalidSignature_Returns401(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
h, _ := newUserinfoHandler(t, users) // handler uses key1.Public
|
||||
|
||||
// Sign with a DIFFERENT key
|
||||
wrongKey, err := rsa.GenerateKey(rand.Reader, 2048)
|
||||
if err != nil {
|
||||
t.Fatalf("generate wrong key: %v", err)
|
||||
}
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
}
|
||||
token := buildToken(t, claims, wrongKey)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusUnauthorized {
|
||||
t.Errorf("expected 401 for invalid signature, got %d", w.Code)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_WithEmailScope_EmailPresent(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
"scope": "openid email",
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusOK {
|
||||
t.Fatalf("expected 200, got %d (body: %s)", w.Code, w.Body.String())
|
||||
}
|
||||
|
||||
resp := decodeUserinfoClaims(t, w.Body.String())
|
||||
if resp["email"] != "alice@example.com" {
|
||||
t.Errorf("email: expected alice@example.com, got %v", resp["email"])
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_WithoutEmailScope_EmailAbsent(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
"scope": "openid profile", // no email scope
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusOK {
|
||||
t.Fatalf("expected 200, got %d (body: %s)", w.Code, w.Body.String())
|
||||
}
|
||||
|
||||
resp := decodeUserinfoClaims(t, w.Body.String())
|
||||
if _, ok := resp["email"]; ok {
|
||||
t.Error("email must be absent when email scope is not present in token")
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_WithProfileScope_UsernamePresent(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
"scope": "openid profile",
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusOK {
|
||||
t.Fatalf("expected 200, got %d (body: %s)", w.Code, w.Body.String())
|
||||
}
|
||||
|
||||
resp := decodeUserinfoClaims(t, w.Body.String())
|
||||
if resp["preferred_username"] != "alice" {
|
||||
t.Errorf("preferred_username: expected alice, got %v", resp["preferred_username"])
|
||||
}
|
||||
}
|
||||
|
||||
func TestUserinfoHandler_EmitsTelemetry(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{"alice": aliceUser()}}
|
||||
key, _ := rsa.GenerateKey(rand.Reader, 2048)
|
||||
capture := &captureEmitter{}
|
||||
h := &oidc.UserinfoHandler{
|
||||
Users: users,
|
||||
SigningKey: &key.PublicKey,
|
||||
Issuer: "https://auth.netkingdom.local",
|
||||
Emitter: capture,
|
||||
}
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
}
|
||||
token, _ := oidc.BuildJWT(claims, "key-1", key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
if w.Code != http.StatusOK {
|
||||
t.Fatalf("expected 200, got %d", w.Code)
|
||||
}
|
||||
|
||||
found := false
|
||||
for _, ev := range capture.events {
|
||||
if ev.EventType == telemetry.EventAuthSuccess && ev.Endpoint == "/userinfo" {
|
||||
found = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !found {
|
||||
t.Error("expected auth_success telemetry event for /userinfo")
|
||||
}
|
||||
}
|
||||
|
||||
// Ensure mockUserRepo also satisfies the extended interface with ListUsers.
|
||||
func TestUserinfoHandler_UserNotFound_Returns401(t *testing.T) {
|
||||
users := &mockUserRepo{users: map[string]*domain.User{}} // empty — no alice
|
||||
h, key := newUserinfoHandler(t, users)
|
||||
|
||||
now := time.Now()
|
||||
claims := map[string]interface{}{
|
||||
"iss": "https://auth.netkingdom.local",
|
||||
"sub": "alice",
|
||||
"exp": now.Add(10 * time.Minute).Unix(),
|
||||
"iat": now.Unix(),
|
||||
}
|
||||
token := buildToken(t, claims, key)
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
h.ServeHTTP(w, userinfoRequest(token))
|
||||
|
||||
// user not found → treat as 401 (token references unknown user)
|
||||
if w.Code != http.StatusUnauthorized {
|
||||
t.Errorf("expected 401 when user not found, got %d", w.Code)
|
||||
}
|
||||
}
|
||||
|
||||
// Compile-time check: mockUserRepo satisfies domain.UserRepository (including ListUsers).
|
||||
var _ domain.UserRepository = (*mockUserRepo)(nil)
|
||||
182
src/tests/negative/negative_test.go
Normal file
182
src/tests/negative/negative_test.go
Normal file
@@ -0,0 +1,182 @@
|
||||
// Package negative_test contains integration-style tests that exercise the
|
||||
// enforcement layer against a real HTTP test server (Scenario D from the
|
||||
// Acceptance Test Matrix, spec §7).
|
||||
//
|
||||
// Each test verifies that:
|
||||
// 1. The correct error.error string appears in the JSON response.
|
||||
// 2. The appropriate HTTP status code is returned.
|
||||
// 3. Content-Type is application/json.
|
||||
package negative_test
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
|
||||
profileerrors "keycape/internal/errors"
|
||||
serverrors "keycape/internal/server/errors"
|
||||
)
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Test infrastructure
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// passthroughHandler is the terminal handler behind the enforcement middleware.
|
||||
// It returns 200 OK so tests can verify that unmatched requests pass through.
|
||||
var passthroughHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
})
|
||||
|
||||
// newServer builds a test server with DefaultRegistry middleware and the
|
||||
// pass-through handler.
|
||||
func newServer(t *testing.T) *httptest.Server {
|
||||
t.Helper()
|
||||
reg := serverrors.DefaultRegistry()
|
||||
return httptest.NewServer(reg.Middleware(passthroughHandler))
|
||||
}
|
||||
|
||||
// get issues a GET request to the given path on the test server.
|
||||
func get(t *testing.T, srv *httptest.Server, path string) *http.Response {
|
||||
t.Helper()
|
||||
resp, err := http.Get(srv.URL + path)
|
||||
if err != nil {
|
||||
t.Fatalf("GET %s: %v", path, err)
|
||||
}
|
||||
return resp
|
||||
}
|
||||
|
||||
// post issues a POST request to the given path on the test server.
|
||||
func post(t *testing.T, srv *httptest.Server, path string) *http.Response {
|
||||
t.Helper()
|
||||
resp, err := http.Post(srv.URL+path, "application/x-www-form-urlencoded", nil)
|
||||
if err != nil {
|
||||
t.Fatalf("POST %s: %v", path, err)
|
||||
}
|
||||
return resp
|
||||
}
|
||||
|
||||
// assertProfileError decodes the JSON body and checks the error field, HTTP status,
|
||||
// and Content-Type for every negative scenario.
|
||||
func assertProfileError(t *testing.T, resp *http.Response, wantErrType profileerrors.ErrorType, wantStatus int) {
|
||||
t.Helper()
|
||||
defer resp.Body.Close()
|
||||
|
||||
if resp.StatusCode != wantStatus {
|
||||
t.Errorf("HTTP status: want %d, got %d", wantStatus, resp.StatusCode)
|
||||
}
|
||||
|
||||
ct := resp.Header.Get("Content-Type")
|
||||
if ct == "" {
|
||||
t.Error("Content-Type must be set")
|
||||
} else {
|
||||
// application/json is required; may include charset suffix.
|
||||
found := false
|
||||
for _, part := range []string{"application/json"} {
|
||||
if len(ct) >= len(part) && ct[:len(part)] == part {
|
||||
found = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !found {
|
||||
t.Errorf("Content-Type: want application/json, got %q", ct)
|
||||
}
|
||||
}
|
||||
|
||||
var pe profileerrors.ProfileError
|
||||
if err := json.NewDecoder(resp.Body).Decode(&pe); err != nil {
|
||||
t.Fatalf("decode ProfileError JSON: %v", err)
|
||||
}
|
||||
if pe.Error != wantErrType {
|
||||
t.Errorf("error field: want %q, got %q", wantErrType, pe.Error)
|
||||
}
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Scenario D — Negative Profile Tests (one per unsupported feature)
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// 1. dynamic_client_registration — POST /connect/register → feature_not_supported_by_profile
|
||||
func TestNegative_DynamicClientRegistration(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := post(t, srv, "/connect/register")
|
||||
assertProfileError(t, resp, profileerrors.ErrFeatureNotSupported, http.StatusNotImplemented)
|
||||
}
|
||||
|
||||
// 2. implicit_flow — GET /authorize?response_type=token → rejected_for_profile_safety
|
||||
func TestNegative_ImplicitFlow(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := get(t, srv, "/authorize?response_type=token")
|
||||
assertProfileError(t, resp, profileerrors.ErrRejectedForSafety, http.StatusForbidden)
|
||||
}
|
||||
|
||||
// 3. wildcard_redirect_uri — GET /authorize?redirect_uri=https://evil.com/* → rejected_for_profile_safety
|
||||
func TestNegative_WildcardRedirectURI(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := get(t, srv, "/authorize?redirect_uri=https%3A%2F%2Fevil.com%2F*")
|
||||
assertProfileError(t, resp, profileerrors.ErrRejectedForSafety, http.StatusForbidden)
|
||||
}
|
||||
|
||||
// 4. identity_broker — GET /broker/google → available_in_keycloak_mode_only
|
||||
func TestNegative_IdentityBroker(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := get(t, srv, "/broker/google")
|
||||
assertProfileError(t, resp, profileerrors.ErrKeycloakModeOnly, http.StatusNotImplemented)
|
||||
}
|
||||
|
||||
// 5. missing_pkce — GET /authorize (without code_challenge) → invalid_profile_usage
|
||||
func TestNegative_MissingPKCE(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
// No code_challenge parameter → missing_pkce triggers.
|
||||
resp := get(t, srv, "/authorize?response_type=code&client_id=myapp")
|
||||
assertProfileError(t, resp, profileerrors.ErrInvalidProfileUsage, http.StatusBadRequest)
|
||||
}
|
||||
|
||||
// 6. pkce_plain_method — GET /authorize?code_challenge=abc&code_challenge_method=plain → rejected_for_profile_safety
|
||||
func TestNegative_PKCEPlainMethod(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := get(t, srv, "/authorize?code_challenge=abc&code_challenge_method=plain")
|
||||
assertProfileError(t, resp, profileerrors.ErrRejectedForSafety, http.StatusForbidden)
|
||||
}
|
||||
|
||||
// 7. unknown_grant_type — POST /token?grant_type=password → feature_not_supported_by_profile
|
||||
func TestNegative_UnknownGrantType(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp := post(t, srv, "/token?grant_type=password")
|
||||
assertProfileError(t, resp, profileerrors.ErrFeatureNotSupported, http.StatusNotImplemented)
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Positive scenario: a normal valid request must pass through enforcement.
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
// TestNegative_ValidRequest_PassesThrough verifies that a well-formed authorization
|
||||
// code request (with code_challenge and S256 method) reaches the terminal handler.
|
||||
func TestNegative_ValidRequest_PassesThrough(t *testing.T) {
|
||||
srv := newServer(t)
|
||||
defer srv.Close()
|
||||
|
||||
resp, err := http.Get(srv.URL + "/authorize?response_type=code&code_challenge=abc&code_challenge_method=S256&client_id=myapp")
|
||||
if err != nil {
|
||||
t.Fatalf("GET /authorize: %v", err)
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
|
||||
if resp.StatusCode != http.StatusOK {
|
||||
t.Errorf("expected 200 (pass-through), got %d", resp.StatusCode)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user