open-vault/vault/identity_store_oidc_provide...

1230 lines
36 KiB
Go

package vault
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"net/url"
"sort"
"strings"
"github.com/hashicorp/go-secure-stdlib/base62"
"github.com/hashicorp/go-secure-stdlib/strutil"
"github.com/hashicorp/vault/helper/namespace"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/helper/identitytpl"
"github.com/hashicorp/vault/sdk/logical"
"gopkg.in/square/go-jose.v2"
)
type assignment struct {
Groups []string `json:"groups"`
Entities []string `json:"entities"`
}
type scope struct {
Template string `json:"template"`
Description string `json:"description"`
}
type client struct {
RedirectURIs []string `json:"redirect_uris"`
Assignments []string `json:"assignments"`
Key string `json:"key"`
IDTokenTTL int `json:"id_token_ttl"`
AccessTokenTTL int `json:"access_token_ttl"`
// used for OIDC endpoints
ClientID string `json:"client_id"`
ClientSecret string `json:"client_secret"`
}
type provider struct {
Issuer string `json:"issuer"`
AllowedClientIDs []string `json:"allowed_client_ids"`
Scopes []string `json:"scopes"`
// effectiveIssuer is a calculated field and will be either Issuer (if
// that's set) or the Vault instance's api_addr.
effectiveIssuer string
}
type providerDiscovery struct {
AuthorizationEndpoint string `json:"authorization_endpoint"`
IDTokenAlgs []string `json:"id_token_signing_alg_values_supported"`
Issuer string `json:"issuer"`
Keys string `json:"jwks_uri"`
ResponseTypes []string `json:"response_types_supported"`
Scopes []string `json:"scopes_supported"`
Subjects []string `json:"subject_types_supported"`
TokenEndpoint string `json:"token_endpoint"`
UserinfoEndpoint string `json:"userinfo_endpoint"`
}
const (
oidcProviderPrefix = "oidc_provider/"
assignmentPath = oidcProviderPrefix + "assignment/"
scopePath = oidcProviderPrefix + "scope/"
clientPath = oidcProviderPrefix + "client/"
providerPath = oidcProviderPrefix + "provider/"
)
func oidcProviderPaths(i *IdentityStore) []*framework.Path {
return []*framework.Path{
{
Pattern: "oidc/assignment/" + framework.GenericNameRegex("name"),
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the assignment",
},
"entities": {
Type: framework.TypeCommaStringSlice,
Description: "Comma separated string or array of identity entity names",
},
"groups": {
Type: framework.TypeCommaStringSlice,
Description: "Comma separated string or array of identity group names",
},
},
Operations: map[logical.Operation]framework.OperationHandler{
logical.UpdateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateAssignment,
},
logical.CreateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateAssignment,
},
logical.ReadOperation: &framework.PathOperation{
Callback: i.pathOIDCReadAssignment,
},
logical.DeleteOperation: &framework.PathOperation{
Callback: i.pathOIDCDeleteAssignment,
},
},
ExistenceCheck: i.pathOIDCAssignmentExistenceCheck,
HelpSynopsis: "CRUD operations for OIDC assignments.",
HelpDescription: "Create, Read, Update, and Delete OIDC assignments.",
},
{
Pattern: "oidc/assignment/?$",
Operations: map[logical.Operation]framework.OperationHandler{
logical.ListOperation: &framework.PathOperation{
Callback: i.pathOIDCListAssignment,
},
},
HelpSynopsis: "List OIDC assignments",
HelpDescription: "List all configured OIDC assignments in the identity backend.",
},
{
Pattern: "oidc/scope/" + framework.GenericNameRegex("name"),
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the scope",
},
"template": {
Type: framework.TypeString,
Description: "The template string to use for the scope. This may be in string-ified JSON or base64 format.",
},
"description": {
Type: framework.TypeString,
Description: "The description of the scope",
},
},
Operations: map[logical.Operation]framework.OperationHandler{
logical.UpdateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateScope,
},
logical.CreateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateScope,
},
logical.ReadOperation: &framework.PathOperation{
Callback: i.pathOIDCReadScope,
},
logical.DeleteOperation: &framework.PathOperation{
Callback: i.pathOIDCDeleteScope,
},
},
ExistenceCheck: i.pathOIDCScopeExistenceCheck,
HelpSynopsis: "CRUD operations for OIDC scopes.",
HelpDescription: "Create, Read, Update, and Delete OIDC scopes.",
},
{
Pattern: "oidc/scope/?$",
Operations: map[logical.Operation]framework.OperationHandler{
logical.ListOperation: &framework.PathOperation{
Callback: i.pathOIDCListScope,
},
},
HelpSynopsis: "List OIDC scopes",
HelpDescription: "List all configured OIDC scopes in the identity backend.",
},
{
Pattern: "oidc/client/" + framework.GenericNameRegex("name"),
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the client.",
},
"redirect_uris": {
Type: framework.TypeCommaStringSlice,
Description: "Comma separated string or array of redirect URIs used by the client. One of these values must exactly match the redirect_uri parameter value used in each authentication request.",
},
"assignments": {
Type: framework.TypeCommaStringSlice,
Description: "Comma separated string or array of assignment resources.",
},
"key": {
Type: framework.TypeString,
Description: "A reference to a named key resource. Cannot be modified after creation.",
Required: true,
},
"id_token_ttl": {
Type: framework.TypeDurationSecond,
Description: "The time-to-live for ID tokens obtained by the client.",
},
"access_token_ttl": {
Type: framework.TypeDurationSecond,
Description: "The time-to-live for access tokens obtained by the client.",
},
},
Operations: map[logical.Operation]framework.OperationHandler{
logical.UpdateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateClient,
},
logical.CreateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateClient,
},
logical.ReadOperation: &framework.PathOperation{
Callback: i.pathOIDCReadClient,
},
logical.DeleteOperation: &framework.PathOperation{
Callback: i.pathOIDCDeleteClient,
},
},
ExistenceCheck: i.pathOIDCClientExistenceCheck,
HelpSynopsis: "CRUD operations for OIDC clients.",
HelpDescription: "Create, Read, Update, and Delete OIDC clients.",
},
{
Pattern: "oidc/client/?$",
Operations: map[logical.Operation]framework.OperationHandler{
logical.ListOperation: &framework.PathOperation{
Callback: i.pathOIDCListClient,
},
},
HelpSynopsis: "List OIDC clients",
HelpDescription: "List all configured OIDC clients in the identity backend.",
},
{
Pattern: "oidc/provider/" + framework.GenericNameRegex("name"),
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the provider",
},
"issuer": {
Type: framework.TypeString,
Description: "Specifies what will be used for the iss claim of ID tokens.",
},
"allowed_client_ids": {
Type: framework.TypeCommaStringSlice,
Description: "The client IDs that are permitted to use the provider",
},
"scopes": {
Type: framework.TypeCommaStringSlice,
Description: "The scopes available for requesting on the provider",
},
},
Operations: map[logical.Operation]framework.OperationHandler{
logical.UpdateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateProvider,
},
logical.CreateOperation: &framework.PathOperation{
Callback: i.pathOIDCCreateUpdateProvider,
},
logical.ReadOperation: &framework.PathOperation{
Callback: i.pathOIDCReadProvider,
},
logical.DeleteOperation: &framework.PathOperation{
Callback: i.pathOIDCDeleteProvider,
},
},
ExistenceCheck: i.pathOIDCProviderExistenceCheck,
HelpSynopsis: "CRUD operations for OIDC providers.",
HelpDescription: "Create, Read, Update, and Delete OIDC named providers.",
},
{
Pattern: "oidc/provider/?$",
Operations: map[logical.Operation]framework.OperationHandler{
logical.ListOperation: &framework.PathOperation{
Callback: i.pathOIDCListProvider,
},
},
HelpSynopsis: "List OIDC providers",
HelpDescription: "List all configured OIDC providers in the identity backend.",
},
{
Pattern: "oidc/provider/" + framework.GenericNameRegex("name") + "/.well-known/openid-configuration",
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the provider",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: i.pathOIDCProviderDiscovery,
},
HelpSynopsis: "Query OIDC configurations",
HelpDescription: "Query this path to retrieve the configured OIDC Issuer and Keys endpoints, response types, subject types, and signing algorithms used by the OIDC backend.",
},
{
Pattern: "oidc/provider/" + framework.GenericNameRegex("name") + "/.well-known/keys",
Fields: map[string]*framework.FieldSchema{
"name": {
Type: framework.TypeString,
Description: "Name of the provider",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.ReadOperation: i.pathOIDCReadProviderPublicKeys,
},
HelpSynopsis: "Retrieve public keys",
HelpDescription: "Returns the public portion of keys for a named OIDC provider. Clients can use them to validate the authenticity of an ID token.",
},
}
}
func (i *IdentityStore) listClients(ctx context.Context, s logical.Storage) ([]*client, error) {
clientNames, err := s.List(ctx, clientPath)
if err != nil {
return nil, err
}
var clients []*client
for _, name := range clientNames {
entry, err := s.Get(ctx, clientPath+name)
if err != nil {
return nil, err
}
if entry == nil {
continue
}
var client client
if err := entry.DecodeJSON(&client); err != nil {
return nil, err
}
clients = append(clients, &client)
}
return clients, nil
}
// TODO: load clients into memory (go-memdb) to look this up
func (i *IdentityStore) clientByID(ctx context.Context, s logical.Storage, id string) (*client, error) {
clients, err := i.listClients(ctx, s)
if err != nil {
return nil, err
}
for _, client := range clients {
if client.ClientID == id {
return client, nil
}
}
return nil, nil
}
// keyIDsReferencedByTargetClientIDs returns a slice of key IDs that are
// referenced by the clients' targetIDs.
// If targetIDs contains "*" then the IDs for all public keys are returned.
func (i *IdentityStore) keyIDsReferencedByTargetClientIDs(ctx context.Context, s logical.Storage, targetIDs []string) ([]string, error) {
keyNames := make(map[string]bool)
// Get all key names referenced by clients if wildcard "*" in target client IDs
if strutil.StrListContains(targetIDs, "*") {
clients, err := i.listClients(ctx, s)
if err != nil {
return nil, err
}
for _, client := range clients {
keyNames[client.Key] = true
}
}
// Otherwise, get the key names referenced by each target client ID
if len(keyNames) == 0 {
for _, clientID := range targetIDs {
client, err := i.clientByID(ctx, s, clientID)
if err != nil {
return nil, err
}
if client != nil {
keyNames[client.Key] = true
}
}
}
// Collect the key IDs
var keyIDs []string
for name, _ := range keyNames {
entry, err := s.Get(ctx, namedKeyConfigPath+name)
if err != nil {
return nil, err
}
var key namedKey
if err := entry.DecodeJSON(&key); err != nil {
return nil, err
}
for _, expirableKey := range key.KeyRing {
keyIDs = append(keyIDs, expirableKey.KeyID)
}
}
return keyIDs, nil
}
// pathOIDCReadProviderPublicKeys is used to retrieve all public keys for a
// named provider so that clients can verify the validity of a signed OIDC token.
func (i *IdentityStore) pathOIDCReadProviderPublicKeys(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
providerName := d.Get("name").(string)
var provider provider
providerEntry, err := req.Storage.Get(ctx, providerPath+providerName)
if err != nil {
return nil, err
}
if providerEntry == nil {
return nil, nil
}
if err := providerEntry.DecodeJSON(&provider); err != nil {
return nil, err
}
keyIDs, err := i.keyIDsReferencedByTargetClientIDs(ctx, req.Storage, provider.AllowedClientIDs)
if err != nil {
return nil, err
}
jwks := &jose.JSONWebKeySet{
Keys: make([]jose.JSONWebKey, 0, len(keyIDs)),
}
for _, keyID := range keyIDs {
key, err := loadOIDCPublicKey(ctx, req.Storage, keyID)
if err != nil {
return nil, err
}
jwks.Keys = append(jwks.Keys, *key)
}
data, err := json.Marshal(jwks)
if err != nil {
return nil, err
}
resp := &logical.Response{
Data: map[string]interface{}{
logical.HTTPStatusCode: 200,
logical.HTTPRawBody: data,
logical.HTTPContentType: "application/json",
},
}
return resp, nil
}
func (i *IdentityStore) pathOIDCProviderDiscovery(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
p, err := i.getOIDCProvider(ctx, req.Storage, name)
if err != nil {
return nil, err
}
if p == nil {
return nil, nil
}
// the "openid" scope is reserved and is included for every provider
scopes := append(p.Scopes, "openid")
disc := providerDiscovery{
AuthorizationEndpoint: strings.Replace(p.effectiveIssuer, "/v1/", "/ui/vault/", 1) + "/authorize",
IDTokenAlgs: supportedAlgs,
Issuer: p.effectiveIssuer,
Keys: p.effectiveIssuer + "/.well-known/keys",
ResponseTypes: []string{"code"},
Scopes: scopes,
Subjects: []string{"public"},
TokenEndpoint: p.effectiveIssuer + "/token",
UserinfoEndpoint: p.effectiveIssuer + "/userinfo",
}
data, err := json.Marshal(disc)
if err != nil {
return nil, err
}
resp := &logical.Response{
Data: map[string]interface{}{
logical.HTTPStatusCode: 200,
logical.HTTPRawBody: data,
logical.HTTPContentType: "application/json",
logical.HTTPRawCacheControl: "max-age=3600",
},
}
return resp, nil
}
// clientsReferencingTargetAssignmentName returns a map of client names to
// clients referencing targetAssignmentName.
func (i *IdentityStore) clientsReferencingTargetAssignmentName(ctx context.Context, req *logical.Request, targetAssignmentName string) (map[string]client, error) {
clientNames, err := req.Storage.List(ctx, clientPath)
if err != nil {
return nil, err
}
var tempClient client
clients := make(map[string]client)
for _, clientName := range clientNames {
entry, err := req.Storage.Get(ctx, clientPath+clientName)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&tempClient); err != nil {
return nil, err
}
for _, a := range tempClient.Assignments {
if a == targetAssignmentName {
clients[clientName] = tempClient
}
}
}
}
return clients, nil
}
// clientNamesReferencingTargetAssignmentName returns a slice of strings of client
// names referencing targetAssignmentName.
func (i *IdentityStore) clientNamesReferencingTargetAssignmentName(ctx context.Context, req *logical.Request, targetAssignmentName string) ([]string, error) {
clients, err := i.clientsReferencingTargetAssignmentName(ctx, req, targetAssignmentName)
if err != nil {
return nil, err
}
var names []string
for client := range clients {
names = append(names, client)
}
sort.Strings(names)
return names, nil
}
// clientsReferencingTargetKeyName returns a map of client names to
// clients referencing targetKeyName.
func (i *IdentityStore) clientsReferencingTargetKeyName(ctx context.Context, req *logical.Request, targetKeyName string) (map[string]client, error) {
clientNames, err := req.Storage.List(ctx, clientPath)
if err != nil {
return nil, err
}
var tempClient client
clients := make(map[string]client)
for _, clientName := range clientNames {
entry, err := req.Storage.Get(ctx, clientPath+clientName)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&tempClient); err != nil {
return nil, err
}
if tempClient.Key == targetKeyName {
clients[clientName] = tempClient
}
}
}
return clients, nil
}
// clientNamesReferencingTargetKeyName returns a slice of strings of client
// names referencing targetKeyName.
func (i *IdentityStore) clientNamesReferencingTargetKeyName(ctx context.Context, req *logical.Request, targetKeyName string) ([]string, error) {
clients, err := i.clientsReferencingTargetKeyName(ctx, req, targetKeyName)
if err != nil {
return nil, err
}
var names []string
for client := range clients {
names = append(names, client)
}
sort.Strings(names)
return names, nil
}
// providersReferencingTargetScopeName returns a list of provider names referencing targetScopeName.
// Not threadsafe. To be called with lock already held.
func (i *IdentityStore) providersReferencingTargetScopeName(ctx context.Context, req *logical.Request, targetScopeName string) ([]string, error) {
providerNames, err := req.Storage.List(ctx, providerPath)
if err != nil {
return nil, err
}
var tempProvider provider
var providers []string
for _, providerName := range providerNames {
entry, err := req.Storage.Get(ctx, providerPath+providerName)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&tempProvider); err != nil {
return nil, err
}
for _, a := range tempProvider.Scopes {
if a == targetScopeName {
providers = append(providers, providerName)
}
}
}
}
return providers, nil
}
// pathOIDCCreateUpdateAssignment is used to create a new assignment or update an existing one
func (i *IdentityStore) pathOIDCCreateUpdateAssignment(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
var assignment assignment
if req.Operation == logical.UpdateOperation {
entry, err := req.Storage.Get(ctx, assignmentPath+name)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&assignment); err != nil {
return nil, err
}
}
}
if entitiesRaw, ok := d.GetOk("entities"); ok {
assignment.Entities = entitiesRaw.([]string)
} else if req.Operation == logical.CreateOperation {
assignment.Entities = d.GetDefaultOrZero("entities").([]string)
}
if groupsRaw, ok := d.GetOk("groups"); ok {
assignment.Groups = groupsRaw.([]string)
} else if req.Operation == logical.CreateOperation {
assignment.Groups = d.GetDefaultOrZero("groups").([]string)
}
// store assignment
entry, err := logical.StorageEntryJSON(assignmentPath+name, assignment)
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
return nil, nil
}
// pathOIDCListAssignment is used to list assignments
func (i *IdentityStore) pathOIDCListAssignment(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
assignments, err := req.Storage.List(ctx, assignmentPath)
if err != nil {
return nil, err
}
return logical.ListResponse(assignments), nil
}
// pathOIDCReadAssignment is used to read an existing assignment
func (i *IdentityStore) pathOIDCReadAssignment(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, assignmentPath+name)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var assignment assignment
if err := entry.DecodeJSON(&assignment); err != nil {
return nil, err
}
return &logical.Response{
Data: map[string]interface{}{
"groups": assignment.Groups,
"entities": assignment.Entities,
},
}, nil
}
// pathOIDCDeleteAssignment is used to delete an assignment
func (i *IdentityStore) pathOIDCDeleteAssignment(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
clientNames, err := i.clientNamesReferencingTargetAssignmentName(ctx, req, name)
if err != nil {
return nil, err
}
if len(clientNames) > 0 {
errorMessage := fmt.Sprintf("unable to delete assignment %q because it is currently referenced by these clients: %s",
name, strings.Join(clientNames, ", "))
return logical.ErrorResponse(errorMessage), logical.ErrInvalidRequest
}
err = req.Storage.Delete(ctx, assignmentPath+name)
if err != nil {
return nil, err
}
return nil, nil
}
func (i *IdentityStore) pathOIDCAssignmentExistenceCheck(ctx context.Context, req *logical.Request, d *framework.FieldData) (bool, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, assignmentPath+name)
if err != nil {
return false, err
}
return entry != nil, nil
}
// pathOIDCCreateUpdateScope is used to create a new scope or update an existing one
func (i *IdentityStore) pathOIDCCreateUpdateScope(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
if name == "openid" {
return logical.ErrorResponse("the \"openid\" scope name is reserved"), nil
}
var scope scope
if req.Operation == logical.UpdateOperation {
entry, err := req.Storage.Get(ctx, scopePath+name)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&scope); err != nil {
return nil, err
}
}
}
if descriptionRaw, ok := d.GetOk("description"); ok {
scope.Description = descriptionRaw.(string)
} else if req.Operation == logical.CreateOperation {
scope.Description = d.GetDefaultOrZero("description").(string)
}
if templateRaw, ok := d.GetOk("template"); ok {
scope.Template = templateRaw.(string)
} else if req.Operation == logical.CreateOperation {
scope.Template = d.GetDefaultOrZero("template").(string)
}
// Attempt to decode as base64 and use that if it works
if decoded, err := base64.StdEncoding.DecodeString(scope.Template); err == nil {
scope.Template = string(decoded)
}
// Validate that template can be parsed and results in valid JSON
if scope.Template != "" {
_, populatedTemplate, err := identitytpl.PopulateString(identitytpl.PopulateStringInput{
Mode: identitytpl.JSONTemplating,
String: scope.Template,
Entity: new(logical.Entity),
Groups: make([]*logical.Group, 0),
})
if err != nil {
return logical.ErrorResponse("error parsing template: %s", err.Error()), nil
}
var tmp map[string]interface{}
if err := json.Unmarshal([]byte(populatedTemplate), &tmp); err != nil {
return logical.ErrorResponse("error parsing template JSON: %s", err.Error()), nil
}
for key := range tmp {
if strutil.StrListContains(requiredClaims, key) {
return logical.ErrorResponse(`top level key %q not allowed. Restricted keys: %s`,
key, strings.Join(requiredClaims, ", ")), nil
}
}
}
// store scope
entry, err := logical.StorageEntryJSON(scopePath+name, scope)
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
return nil, nil
}
// pathOIDCListScope is used to list scopes
func (i *IdentityStore) pathOIDCListScope(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
scopes, err := req.Storage.List(ctx, scopePath)
if err != nil {
return nil, err
}
return logical.ListResponse(scopes), nil
}
// pathOIDCReadScope is used to read an existing scope
func (i *IdentityStore) pathOIDCReadScope(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, scopePath+name)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var scope scope
if err := entry.DecodeJSON(&scope); err != nil {
return nil, err
}
return &logical.Response{
Data: map[string]interface{}{
"template": scope.Template,
"description": scope.Description,
},
}, nil
}
// pathOIDCDeleteScope is used to delete an scope
func (i *IdentityStore) pathOIDCDeleteScope(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
targetScopeName := d.Get("name").(string)
providerNames, err := i.providersReferencingTargetScopeName(ctx, req, targetScopeName)
if err != nil {
return nil, err
}
if len(providerNames) > 0 {
errorMessage := fmt.Sprintf("unable to delete scope %q because it is currently referenced by these providers: %s",
targetScopeName, strings.Join(providerNames, ", "))
return logical.ErrorResponse(errorMessage), logical.ErrInvalidRequest
}
err = req.Storage.Delete(ctx, scopePath+name)
if err != nil {
return nil, err
}
return nil, nil
}
func (i *IdentityStore) pathOIDCScopeExistenceCheck(ctx context.Context, req *logical.Request, d *framework.FieldData) (bool, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, scopePath+name)
if err != nil {
return false, err
}
return entry != nil, nil
}
// pathOIDCCreateUpdateClient is used to create a new client or update an existing one
func (i *IdentityStore) pathOIDCCreateUpdateClient(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
var client client
if req.Operation == logical.UpdateOperation {
entry, err := req.Storage.Get(ctx, clientPath+name)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&client); err != nil {
return nil, err
}
}
}
if redirectURIsRaw, ok := d.GetOk("redirect_uris"); ok {
client.RedirectURIs = redirectURIsRaw.([]string)
} else if req.Operation == logical.CreateOperation {
client.RedirectURIs = d.Get("redirect_uris").([]string)
}
if assignmentsRaw, ok := d.GetOk("assignments"); ok {
client.Assignments = assignmentsRaw.([]string)
} else if req.Operation == logical.CreateOperation {
client.Assignments = d.Get("assignments").([]string)
}
// remove duplicate assignments and redirect URIs
client.Assignments = strutil.RemoveDuplicates(client.Assignments, false)
client.RedirectURIs = strutil.RemoveDuplicates(client.RedirectURIs, false)
// enforce assignment existence
for _, assignment := range client.Assignments {
entry, err := req.Storage.Get(ctx, assignmentPath+assignment)
if err != nil {
return nil, err
}
if entry == nil {
return logical.ErrorResponse("assignment %q does not exist", assignment), nil
}
}
if keyRaw, ok := d.GetOk("key"); ok {
key := keyRaw.(string)
if req.Operation == logical.UpdateOperation && client.Key != key {
return logical.ErrorResponse("key modification is not allowed"), nil
}
client.Key = key
} else if req.Operation == logical.CreateOperation {
client.Key = d.Get("key").(string)
}
if client.Key == "" {
return logical.ErrorResponse("the key parameter is required"), nil
}
// enforce key existence on client creation
entry, err := req.Storage.Get(ctx, namedKeyConfigPath+client.Key)
if err != nil {
return nil, err
}
if entry == nil {
return logical.ErrorResponse("key %q does not exist", client.Key), nil
}
if idTokenTTLRaw, ok := d.GetOk("id_token_ttl"); ok {
client.IDTokenTTL = idTokenTTLRaw.(int)
} else if req.Operation == logical.CreateOperation {
client.IDTokenTTL = d.Get("id_token_ttl").(int)
}
if accessTokenTTLRaw, ok := d.GetOk("access_token_ttl"); ok {
client.AccessTokenTTL = accessTokenTTLRaw.(int)
} else if req.Operation == logical.CreateOperation {
client.AccessTokenTTL = d.Get("access_token_ttl").(int)
}
if client.ClientID == "" {
// generate client_id
clientID, err := base62.Random(32)
if err != nil {
return nil, err
}
client.ClientID = clientID
}
if client.ClientSecret == "" {
// generate client_secret
clientSecret, err := base62.Random(64)
if err != nil {
return nil, err
}
client.ClientSecret = clientSecret
}
// store client
entry, err = logical.StorageEntryJSON(clientPath+name, client)
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
return nil, nil
}
// pathOIDCListClient is used to list clients
func (i *IdentityStore) pathOIDCListClient(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
clients, err := req.Storage.List(ctx, clientPath)
if err != nil {
return nil, err
}
return logical.ListResponse(clients), nil
}
// pathOIDCReadClient is used to read an existing client
func (i *IdentityStore) pathOIDCReadClient(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, clientPath+name)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var client client
if err := entry.DecodeJSON(&client); err != nil {
return nil, err
}
return &logical.Response{
Data: map[string]interface{}{
"redirect_uris": client.RedirectURIs,
"assignments": client.Assignments,
"key": client.Key,
"id_token_ttl": client.IDTokenTTL,
"access_token_ttl": client.AccessTokenTTL,
"client_id": client.ClientID,
"client_secret": client.ClientSecret,
},
}, nil
}
// pathOIDCDeleteClient is used to delete an client
func (i *IdentityStore) pathOIDCDeleteClient(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
err := req.Storage.Delete(ctx, clientPath+name)
if err != nil {
return nil, err
}
return nil, nil
}
func (i *IdentityStore) pathOIDCClientExistenceCheck(ctx context.Context, req *logical.Request, d *framework.FieldData) (bool, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, clientPath+name)
if err != nil {
return false, err
}
return entry != nil, nil
}
// pathOIDCCreateUpdateProvider is used to create a new named provider or update an existing one
func (i *IdentityStore) pathOIDCCreateUpdateProvider(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
var resp logical.Response
name := d.Get("name").(string)
var provider provider
if req.Operation == logical.UpdateOperation {
entry, err := req.Storage.Get(ctx, providerPath+name)
if err != nil {
return nil, err
}
if entry != nil {
if err := entry.DecodeJSON(&provider); err != nil {
return nil, err
}
}
}
if issuerRaw, ok := d.GetOk("issuer"); ok {
provider.Issuer = issuerRaw.(string)
} else if req.Operation == logical.CreateOperation {
provider.Issuer = d.GetDefaultOrZero("issuer").(string)
}
if allowedClientIDsRaw, ok := d.GetOk("allowed_client_ids"); ok {
provider.AllowedClientIDs = allowedClientIDsRaw.([]string)
} else if req.Operation == logical.CreateOperation {
provider.AllowedClientIDs = d.GetDefaultOrZero("allowed_client_ids").([]string)
}
if scopesRaw, ok := d.GetOk("scopes"); ok {
provider.Scopes = scopesRaw.([]string)
} else if req.Operation == logical.CreateOperation {
provider.Scopes = d.GetDefaultOrZero("scopes").([]string)
}
// remove duplicate allowed client IDs and scopes
provider.AllowedClientIDs = strutil.RemoveDuplicates(provider.AllowedClientIDs, false)
provider.Scopes = strutil.RemoveDuplicates(provider.Scopes, false)
if provider.Issuer != "" {
// verify that issuer is the correct format:
// - http or https
// - host name
// - optional port
// - nothing more
valid := false
if u, err := url.Parse(provider.Issuer); err == nil {
u2 := url.URL{
Scheme: u.Scheme,
Host: u.Host,
}
valid = (*u == u2) &&
(u.Scheme == "http" || u.Scheme == "https") &&
u.Host != ""
}
if !valid {
return logical.ErrorResponse(
"invalid issuer, which must include only a scheme, host, " +
"and optional port (e.g. https://example.com:8200)"), nil
}
resp.AddWarning(`If "issuer" is set explicitly, all tokens must be ` +
`validated against that address, including those issued by secondary ` +
`clusters. Setting issuer to "" will restore the default behavior of ` +
`using the cluster's api_addr as the issuer.`)
}
scopeTemplateKeyNames := make(map[string]string)
for _, scopeName := range provider.Scopes {
entry, err := req.Storage.Get(ctx, scopePath+scopeName)
if err != nil {
return nil, err
}
// enforce scope existence on provider create and update
if entry == nil {
return logical.ErrorResponse("scope %q does not exist", scopeName), nil
}
// ensure no two templates have the same top-level keys
var storedScope scope
if err := entry.DecodeJSON(&storedScope); err != nil {
return nil, err
}
_, populatedTemplate, err := identitytpl.PopulateString(identitytpl.PopulateStringInput{
Mode: identitytpl.JSONTemplating,
String: storedScope.Template,
Entity: new(logical.Entity),
Groups: make([]*logical.Group, 0),
})
if err != nil {
return nil, fmt.Errorf("error parsing template for scope %q: %s", scopeName, err.Error())
}
jsonTemplate := make(map[string]interface{})
if err = json.Unmarshal([]byte(populatedTemplate), &jsonTemplate); err != nil {
return nil, err
}
for keyName := range jsonTemplate {
val, ok := scopeTemplateKeyNames[keyName]
if ok && val != scopeName {
resp.AddWarning(fmt.Sprintf("Found scope templates with conflicting top-level keys: "+
"conflict %q in scopes %q, %q. This may result in an error if the scopes are "+
"requested in an OIDC Authentication Request.", keyName, scopeName, val))
}
scopeTemplateKeyNames[keyName] = scopeName
}
}
// store named provider
entry, err := logical.StorageEntryJSON(providerPath+name, provider)
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
if len(resp.Warnings) == 0 {
return nil, nil
}
return &resp, nil
}
// pathOIDCListProvider is used to list named providers
func (i *IdentityStore) pathOIDCListProvider(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
providers, err := req.Storage.List(ctx, providerPath)
if err != nil {
return nil, err
}
return logical.ListResponse(providers), nil
}
// pathOIDCReadProvider is used to read an existing provider
func (i *IdentityStore) pathOIDCReadProvider(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
provider, err := i.getOIDCProvider(ctx, req.Storage, name)
if err != nil {
return nil, err
}
if provider == nil {
return nil, nil
}
return &logical.Response{
Data: map[string]interface{}{
"issuer": provider.Issuer,
"allowed_client_ids": provider.AllowedClientIDs,
"scopes": provider.Scopes,
},
}, nil
}
func (i *IdentityStore) getOIDCProvider(ctx context.Context, s logical.Storage, name string) (*provider, error) {
ns, err := namespace.FromContext(ctx)
if err != nil {
return nil, err
}
entry, err := s.Get(ctx, providerPath+name)
if err != nil {
return nil, err
}
if entry == nil {
return nil, nil
}
var provider provider
if err := entry.DecodeJSON(&provider); err != nil {
return nil, err
}
provider.effectiveIssuer = provider.Issuer
if provider.effectiveIssuer == "" {
provider.effectiveIssuer = i.redirectAddr
}
provider.effectiveIssuer += "/v1/" + ns.Path + "identity/oidc/provider/" + name
return &provider, nil
}
// pathOIDCDeleteProvider is used to delete an assignment
func (i *IdentityStore) pathOIDCDeleteProvider(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
name := d.Get("name").(string)
return nil, req.Storage.Delete(ctx, providerPath+name)
}
func (i *IdentityStore) pathOIDCProviderExistenceCheck(ctx context.Context, req *logical.Request, d *framework.FieldData) (bool, error) {
name := d.Get("name").(string)
entry, err := req.Storage.Get(ctx, providerPath+name)
if err != nil {
return false, err
}
return entry != nil, nil
}