135 lines
3.5 KiB
Go
135 lines
3.5 KiB
Go
package consul
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import (
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"context"
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"fmt"
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"time"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/logical"
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)
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const (
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tokenPolicyType = "token"
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)
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func pathToken(b *backend) *framework.Path {
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return &framework.Path{
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Pattern: "creds/" + framework.GenericNameRegex("role"),
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Fields: map[string]*framework.FieldSchema{
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"role": {
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Type: framework.TypeString,
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Description: "Name of the role.",
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},
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},
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.ReadOperation: b.pathTokenRead,
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},
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}
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}
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func (b *backend) pathTokenRead(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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role := d.Get("role").(string)
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entry, err := req.Storage.Get(ctx, "policy/"+role)
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if err != nil {
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return nil, fmt.Errorf("error retrieving role: %w", err)
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}
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if entry == nil {
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return logical.ErrorResponse(fmt.Sprintf("role %q not found", role)), nil
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}
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var roleConfigData roleConfig
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if err := entry.DecodeJSON(&roleConfigData); err != nil {
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return nil, err
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}
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if roleConfigData.TokenType == "" {
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roleConfigData.TokenType = "client"
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}
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// Get the consul client
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c, userErr, intErr := b.client(ctx, req.Storage)
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if intErr != nil {
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return nil, intErr
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}
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if userErr != nil {
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return logical.ErrorResponse(userErr.Error()), nil
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}
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// Generate a name for the token
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tokenName := fmt.Sprintf("Vault %s %s %d", role, req.DisplayName, time.Now().UnixNano())
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writeOpts := &api.WriteOptions{}
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writeOpts = writeOpts.WithContext(ctx)
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// Create an ACLEntry for Consul pre 1.4
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if (roleConfigData.Policy != "" && roleConfigData.TokenType == "client") ||
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(roleConfigData.Policy == "" && roleConfigData.TokenType == "management") {
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token, _, err := c.ACL().Create(&api.ACLEntry{
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Name: tokenName,
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Type: roleConfigData.TokenType,
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Rules: roleConfigData.Policy,
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}, writeOpts)
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if err != nil {
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return logical.ErrorResponse(err.Error()), nil
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}
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// Use the helper to create the secret
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s := b.Secret(SecretTokenType).Response(map[string]interface{}{
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"token": token,
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}, map[string]interface{}{
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"token": token,
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"role": role,
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})
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s.Secret.TTL = roleConfigData.TTL
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s.Secret.MaxTTL = roleConfigData.MaxTTL
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return s, nil
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}
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// Create an ACLToken for Consul 1.4 and above
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policyLinks := []*api.ACLTokenPolicyLink{}
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for _, policyName := range roleConfigData.Policies {
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policyLinks = append(policyLinks, &api.ACLTokenPolicyLink{
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Name: policyName,
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})
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}
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roleLinks := []*api.ACLTokenRoleLink{}
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for _, roleName := range roleConfigData.ConsulRoles {
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roleLinks = append(roleLinks, &api.ACLTokenRoleLink{
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Name: roleName,
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})
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}
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token, _, err := c.ACL().TokenCreate(&api.ACLToken{
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Description: tokenName,
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Policies: policyLinks,
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Roles: roleLinks,
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Local: roleConfigData.Local,
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Namespace: roleConfigData.ConsulNamespace,
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Partition: roleConfigData.Partition,
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}, writeOpts)
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if err != nil {
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return logical.ErrorResponse(err.Error()), nil
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}
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// Use the helper to create the secret
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s := b.Secret(SecretTokenType).Response(map[string]interface{}{
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"token": token.SecretID,
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"accessor": token.AccessorID,
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"local": token.Local,
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"consul_namespace": token.Namespace,
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"partition": token.Partition,
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}, map[string]interface{}{
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"token": token.AccessorID,
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"role": role,
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"version": tokenPolicyType,
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})
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s.Secret.TTL = roleConfigData.TTL
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s.Secret.MaxTTL = roleConfigData.MaxTTL
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return s, nil
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}
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