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// Copyright 2015 go-swagger maintainers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package validate
import (
"reflect"
"regexp"
"github.com/go-openapi/errors"
"github.com/go-openapi/spec"
"github.com/go-openapi/strfmt"
)
type objectValidator struct {
Path string
In string
MaxProperties *int64
MinProperties *int64
Required []string
Properties map[string]spec.Schema
AdditionalProperties *spec.SchemaOrBool
PatternProperties map[string]spec.Schema
Root interface{}
KnownFormats strfmt.Registry
}
func (o *objectValidator) SetPath(path string) {
o.Path = path
}
func (o *objectValidator) Applies(source interface{}, kind reflect.Kind) bool {
// TODO: this should also work for structs
// there is a problem in the type validator where it will be unhappy about null values
// so that requires more testing
r := reflect.TypeOf(source) == specSchemaType && (kind == reflect.Map || kind == reflect.Struct)
//fmt.Printf("object validator for %q applies %t for %T (kind: %v)\n", o.Path, r, source, kind)
return r
}
func (o *objectValidator) Validate(data interface{}) *Result {
val := data.(map[string]interface{})
numKeys := int64(len(val))
if o.MinProperties != nil && numKeys < *o.MinProperties {
return sErr(errors.TooFewProperties(o.Path, o.In, *o.MinProperties))
}
if o.MaxProperties != nil && numKeys > *o.MaxProperties {
return sErr(errors.TooManyProperties(o.Path, o.In, *o.MaxProperties))
}
res := new(Result)
if len(o.Required) > 0 {
for _, k := range o.Required {
if _, ok := val[k]; !ok {
res.AddErrors(errors.Required(o.Path+"."+k, o.In))
continue
}
}
}
if o.AdditionalProperties != nil && !o.AdditionalProperties.Allows {
for k := range val {
_, regularProperty := o.Properties[k]
matched := false
for pk := range o.PatternProperties {
if matches, _ := regexp.MatchString(pk, k); matches {
matched = true
break
}
}
if !regularProperty && k != "$schema" && k != "id" && !matched {
res.AddErrors(errors.PropertyNotAllowed(o.Path, o.In, k))
}
}
} else {
for key, value := range val {
_, regularProperty := o.Properties[key]
matched, succeededOnce, _ := o.validatePatternProperty(key, value, res)
if !(regularProperty || matched || succeededOnce) {
if o.AdditionalProperties != nil && o.AdditionalProperties.Schema != nil {
res.Merge(NewSchemaValidator(o.AdditionalProperties.Schema, o.Root, o.Path+"."+key, o.KnownFormats).Validate(value))
} else if regularProperty && !(matched || succeededOnce) {
res.AddErrors(errors.FailedAllPatternProperties(o.Path, o.In, key))
}
}
}
}
for pName, pSchema := range o.Properties {
rName := pName
if o.Path != "" {
rName = o.Path + "." + pName
}
if v, ok := val[pName]; ok {
res.Merge(NewSchemaValidator(&pSchema, o.Root, rName, o.KnownFormats).Validate(v))
}
}
for key, value := range val {
_, regularProperty := o.Properties[key]
matched, succeededOnce, patterns := o.validatePatternProperty(key, value, res)
if !regularProperty && (matched || succeededOnce) {
for _, pName := range patterns {
if v, ok := o.PatternProperties[pName]; ok {
res.Merge(NewSchemaValidator(&v, o.Root, o.Path+"."+key, o.KnownFormats).Validate(value))
}
}
}
}
return res
}
func (o *objectValidator) validatePatternProperty(key string, value interface{}, result *Result) (bool, bool, []string) {
matched := false
succeededOnce := false
var patterns []string
for k, schema := range o.PatternProperties {
if match, _ := regexp.MatchString(k, key); match {
patterns = append(patterns, k)
matched = true
validator := NewSchemaValidator(&schema, o.Root, o.Path+"."+key, o.KnownFormats)
res := validator.Validate(value)
result.Merge(res)
if res.IsValid() {
succeededOnce = true
}
}
}
if succeededOnce {
result.Inc()
}
return matched, succeededOnce, patterns
}
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