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Kitography/vault 5474 rebase (#15150)
* These parts work (put in signature so that backend wouldn't break, but missing fields, desc, etc.) * Import and Generate API calls w/ needed additions to SDK. * make fmt * Add Help/Sync Text, fix some of internal/exported/kms code. * Fix PEM/DER Encoding issue. * make fmt * Standardize keyIdParam, keyNameParam, keyTypeParam * Add error response if key to be deleted is in use. * replaces all instances of "default" in code with defaultRef * Updates from Callbacks to Operations Function with explicit forwarding. * Fixes a panic with names not being updated everywhere. * add a logged error in addition to warning on deleting default key. * Normalize whitespace upon importing keys. Authored-by: Alexander Scheel <alexander.m.scheel@gmail.com> * Fix isKeyInUse functionality. * Fixes tests associated with newline at end of key pem.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,227 @@ | ||
package pki | ||
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import ( | ||
"context" | ||
"fmt" | ||
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"github.com/hashicorp/vault/sdk/framework" | ||
"github.com/hashicorp/vault/sdk/logical" | ||
) | ||
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func pathListKeys(b *backend) *framework.Path { | ||
return &framework.Path{ | ||
Pattern: "keys/?$", | ||
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Operations: map[logical.Operation]framework.OperationHandler{ | ||
logical.ListOperation: &framework.PathOperation{ | ||
Callback: b.pathListKeysHandler, | ||
ForwardPerformanceStandby: false, | ||
ForwardPerformanceSecondary: false, | ||
}, | ||
}, | ||
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HelpSynopsis: pathListKeysHelpSyn, | ||
HelpDescription: pathListKeysHelpDesc, | ||
} | ||
} | ||
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const ( | ||
pathListKeysHelpSyn = `Fetch a list of all issuer keys` | ||
pathListKeysHelpDesc = `This endpoint allows listing of known backing keys, returning | ||
their identifier and their name (if set).` | ||
) | ||
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func (b *backend) pathListKeysHandler(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) { | ||
var responseKeys []string | ||
responseInfo := make(map[string]interface{}) | ||
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entries, err := listKeys(ctx, req.Storage) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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for _, identifier := range entries { | ||
key, err := fetchKeyById(ctx, req.Storage, identifier) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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responseKeys = append(responseKeys, string(identifier)) | ||
responseInfo[string(identifier)] = map[string]interface{}{ | ||
keyNameParam: key.Name, | ||
} | ||
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} | ||
return logical.ListResponseWithInfo(responseKeys, responseInfo), nil | ||
} | ||
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func pathKey(b *backend) *framework.Path { | ||
pattern := "key/" + framework.GenericNameRegex(keyRefParam) | ||
return buildPathKey(b, pattern) | ||
} | ||
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func buildPathKey(b *backend, pattern string) *framework.Path { | ||
return &framework.Path{ | ||
Pattern: pattern, | ||
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Fields: map[string]*framework.FieldSchema{ | ||
keyRefParam: { | ||
Type: framework.TypeString, | ||
Description: `Reference to key; either "default" for the configured default key, an identifier of a key, or the name assigned to the key.`, | ||
Default: defaultRef, | ||
}, | ||
keyNameParam: { | ||
Type: framework.TypeString, | ||
Description: `Human-readable name for this key.`, | ||
}, | ||
}, | ||
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Operations: map[logical.Operation]framework.OperationHandler{ | ||
logical.ReadOperation: &framework.PathOperation{ | ||
Callback: b.pathGetKeyHandler, | ||
ForwardPerformanceStandby: false, | ||
ForwardPerformanceSecondary: false, | ||
}, | ||
logical.UpdateOperation: &framework.PathOperation{ | ||
Callback: b.pathUpdateKeyHandler, | ||
ForwardPerformanceStandby: true, | ||
ForwardPerformanceSecondary: true, | ||
}, | ||
logical.DeleteOperation: &framework.PathOperation{ | ||
Callback: b.pathDeleteKeyHandler, | ||
ForwardPerformanceStandby: true, | ||
ForwardPerformanceSecondary: true, | ||
}, | ||
}, | ||
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HelpSynopsis: pathKeysHelpSyn, | ||
HelpDescription: pathKeysHelpDesc, | ||
} | ||
} | ||
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const ( | ||
pathKeysHelpSyn = `Fetch a single issuer key` | ||
pathKeysHelpDesc = `This allows fetching information associated with the underlying key. | ||
:ref can be either the literal value "default", in which case /config/keys | ||
will be consulted for the present default key, an identifier of a key, | ||
or its assigned name value. | ||
Writing to /key/:ref allows updating of the name field associated with | ||
the certificate. | ||
` | ||
) | ||
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func (b *backend) pathGetKeyHandler(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) { | ||
keyRef := data.Get(keyRefParam).(string) | ||
if len(keyRef) == 0 { | ||
return logical.ErrorResponse("missing key reference"), nil | ||
} | ||
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keyId, err := resolveKeyReference(ctx, req.Storage, keyRef) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if keyId == "" { | ||
return logical.ErrorResponse("unable to resolve key id for reference" + keyRef), nil | ||
} | ||
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key, err := fetchKeyById(ctx, req.Storage, keyId) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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return &logical.Response{ | ||
Data: map[string]interface{}{ | ||
keyIdParam: key.ID, | ||
keyNameParam: key.Name, | ||
keyTypeParam: key.PrivateKeyType, | ||
}, | ||
}, nil | ||
} | ||
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func (b *backend) pathUpdateKeyHandler(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) { | ||
keyRef := data.Get(keyRefParam).(string) | ||
if len(keyRef) == 0 { | ||
return logical.ErrorResponse("missing key reference"), nil | ||
} | ||
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keyId, err := resolveKeyReference(ctx, req.Storage, keyRef) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if keyId == "" { | ||
return logical.ErrorResponse("unable to resolve key id for reference" + keyRef), nil | ||
} | ||
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key, err := fetchKeyById(ctx, req.Storage, keyId) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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newName := data.Get(keyNameParam).(string) | ||
if len(newName) > 0 && !nameMatcher.MatchString(newName) { | ||
return logical.ErrorResponse("new key name outside of valid character limits"), nil | ||
} | ||
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if newName != key.Name { | ||
key.Name = newName | ||
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err := writeKey(ctx, req.Storage, *key) | ||
if err != nil { | ||
return nil, err | ||
} | ||
} | ||
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resp := &logical.Response{ | ||
Data: map[string]interface{}{ | ||
keyIdParam: key.ID, | ||
keyNameParam: key.Name, | ||
keyTypeParam: key.PrivateKeyType, | ||
}, | ||
} | ||
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if len(newName) == 0 { | ||
resp.AddWarning("Name successfully deleted, you will now need to reference this key by it's Id: " + string(key.ID)) | ||
} | ||
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return resp, nil | ||
} | ||
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func (b *backend) pathDeleteKeyHandler(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) { | ||
keyRef := data.Get(keyRefParam).(string) | ||
if len(keyRef) == 0 { | ||
return logical.ErrorResponse("missing key reference"), nil | ||
} | ||
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keyId, err := resolveKeyReference(ctx, req.Storage, keyRef) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if keyId == "" { | ||
return logical.ErrorResponse("unable to resolve key id for reference" + keyRef), nil | ||
} | ||
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keyInUse, issuerId, err := isKeyInUse(keyId.String(), ctx, req.Storage) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if keyInUse { | ||
return logical.ErrorResponse(fmt.Sprintf("Failed to Delete Key. Key in Use by Issuer: %s", issuerId)), nil | ||
} | ||
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wasDefault, err := deleteKey(ctx, req.Storage, keyId) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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var response *logical.Response | ||
if wasDefault { | ||
msg := fmt.Sprintf("Deleted key %v (via key_ref %v); this was configured as the default key. Operations without an explicit key will not work until a new default is configured.", string(keyId), keyRef) | ||
b.Logger().Error(msg) | ||
response = &logical.Response{} | ||
response.AddWarning(msg) | ||
} | ||
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return response, nil | ||
} |
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