Config PoC: DO NOT MERGE

.gitignore

@@ -0,0 +1 @@
+.idea/

parameters/parameters.go

@@ -4,6 +4,7 @@
 package parameters
 
 import (
+	"github.com/santhosh-tekuri/jsonschema/v6"
 	"net/http"
 
 	v3 "github.com/pb33f/libopenapi/datamodel/high/v3"
@@ -65,11 +66,16 @@ type ParameterValidator interface {
 	ValidateSecurityWithPathItem(request *http.Request, pathItem *v3.PathItem, pathValue string) (bool, []*errors.ValidationError)
 }
 
+type Config struct {
+	Document    *v3.Document
+	RegexEngine jsonschema.RegexpEngine
+}
+
 // NewParameterValidator will create a new ParameterValidator from an OpenAPI 3+ document
-func NewParameterValidator(document *v3.Document) ParameterValidator {
-	return &paramValidator{document: document}
+func NewParameterValidator(config Config) ParameterValidator {
+	return &paramValidator{config}
 }
 
 type paramValidator struct {
-	document *v3.Document
+	Config
 }

requests/request_body.go

@@ -4,6 +4,7 @@
 package requests
 
 import (
+	"github.com/santhosh-tekuri/jsonschema/v6"
 	"net/http"
 	"sync"
 
@@ -29,9 +30,14 @@ type RequestBodyValidator interface {
 	ValidateRequestBodyWithPathItem(request *http.Request, pathItem *v3.PathItem, pathValue string) (bool, []*errors.ValidationError)
 }
 
+type Config struct {
+	Document    *v3.Document
+	RegexEngine jsonschema.RegexpEngine
+}
+
 // NewRequestBodyValidator will create a new RequestBodyValidator from an OpenAPI 3+ document
-func NewRequestBodyValidator(document *v3.Document) RequestBodyValidator {
-	return &requestBodyValidator{document: document, schemaCache: &sync.Map{}}
+func NewRequestBodyValidator(config Config) RequestBodyValidator {
+	return &requestBodyValidator{Config: config, schemaCache: &sync.Map{}}
 }
 
 type schemaCache struct {
@@ -41,6 +47,6 @@ type schemaCache struct {
 }
 
 type requestBodyValidator struct {
-	document    *v3.Document
+	Config
 	schemaCache *sync.Map
 }

validator.go

@@ -4,6 +4,7 @@
 package validator
 
 import (
+	"github.com/santhosh-tekuri/jsonschema/v6"
 	"net/http"
 	"sync"
 
@@ -62,24 +63,38 @@ type Validator interface {
 	GetResponseBodyValidator() responses.ResponseBodyValidator
 }
 
+// Configuration Holds any Validator configuration overrides.
+type Configuration struct {
+	// Use this regex engine in place of the standard Go (RE2) pattern processor
+	RegexEngine jsonschema.RegexpEngine
+}
+
 // NewValidator will create a new Validator from an OpenAPI 3+ document
-func NewValidator(document libopenapi.Document) (Validator, []error) {
+func NewValidator(document libopenapi.Document, config ...Configuration) (Validator, []error) {
 	m, errs := document.BuildV3Model()
 	if errs != nil {
 		return nil, errs
 	}
-	v := NewValidatorFromV3Model(&m.Model)
+	v := NewValidatorFromV3Model(&m.Model, config...)
 	v.(*validator).document = document
 	return v, nil
 }
 
 // NewValidatorFromV3Model will create a new Validator from an OpenAPI Model
-func NewValidatorFromV3Model(m *v3.Document) Validator {
+func NewValidatorFromV3Model(m *v3.Document, config ...Configuration) Validator {
+
+	// Assume a default configuration
+	cfg := Configuration{}
+
+	if len(config) > 0 {
+		cfg = config[0]
+	}
+
 	// create a new parameter validator
-	paramValidator := parameters.NewParameterValidator(m)
+	paramValidator := parameters.NewParameterValidator(parameters.Config{Document: m, RegexEngine: cfg.RegexEngine})
 
 	// create a new request body validator
-	reqBodyValidator := requests.NewRequestBodyValidator(m)
+	reqBodyValidator := requests.NewRequestBodyValidator(requests.Config{Document: m, RegexEngine: cfg.RegexEngine})
 
 	// create a response body validator
 	respBodyValidator := responses.NewResponseBodyValidator(m)