1 files changed, 260 insertions, 0 deletions
diff --git a/vendor/github.com/go-openapi/validate/schema.go b/vendor/github.com/go-openapi/validate/schema.go
new file mode 100644
index 000000000..b817eb0ef
--- /dev/null
+++ b/vendor/github.com/go-openapi/validate/schema.go
@@ -0,0 +1,260 @@
+// 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 (
+	"encoding/json"
+	"reflect"
+
+	"github.com/go-openapi/errors"
+	"github.com/go-openapi/spec"
+	"github.com/go-openapi/strfmt"
+	"github.com/go-openapi/swag"
+)
+
+var (
+	specSchemaType    = reflect.TypeOf(&spec.Schema{})
+	specParameterType = reflect.TypeOf(&spec.Parameter{})
+	specHeaderType    = reflect.TypeOf(&spec.Header{})
+	// specItemsType     = reflect.TypeOf(&spec.Items{})
+)
+
+// SchemaValidator validates data against a JSON schema
+type SchemaValidator struct {
+	Path         string
+	in           string
+	Schema       *spec.Schema
+	validators   []valueValidator
+	Root         interface{}
+	KnownFormats strfmt.Registry
+	Options      SchemaValidatorOptions
+}
+
+// AgainstSchema validates the specified data against the provided schema, using a registry of supported formats.
+//
+// When no pre-parsed *spec.Schema structure is provided, it uses a JSON schema as default. See example.
+func AgainstSchema(schema *spec.Schema, data interface{}, formats strfmt.Registry, options ...Option) error {
+	res := NewSchemaValidator(schema, nil, "", formats, options...).Validate(data)
+	if res.HasErrors() {
+		return errors.CompositeValidationError(res.Errors...)
+	}
+	return nil
+}
+
+// NewSchemaValidator creates a new schema validator.
+//
+// Panics if the provided schema is invalid.
+func NewSchemaValidator(schema *spec.Schema, rootSchema interface{}, root string, formats strfmt.Registry, options ...Option) *SchemaValidator {
+	if schema == nil {
+		return nil
+	}
+
+	if rootSchema == nil {
+		rootSchema = schema
+	}
+
+	if schema.ID != "" || schema.Ref.String() != "" || schema.Ref.IsRoot() {
+		err := spec.ExpandSchema(schema, rootSchema, nil)
+		if err != nil {
+			msg := invalidSchemaProvidedMsg(err).Error()
+			panic(msg)
+		}
+	}
+	s := SchemaValidator{
+		Path:         root,
+		in:           "body",
+		Schema:       schema,
+		Root:         rootSchema,
+		KnownFormats: formats,
+		Options:      SchemaValidatorOptions{}}
+	for _, o := range options {
+		o(&s.Options)
+	}
+	s.validators = []valueValidator{
+		s.typeValidator(),
+		s.schemaPropsValidator(),
+		s.stringValidator(),
+		s.formatValidator(),
+		s.numberValidator(),
+		s.sliceValidator(),
+		s.commonValidator(),
+		s.objectValidator(),
+	}
+	return &s
+}
+
+// SetPath sets the path for this schema valdiator
+func (s *SchemaValidator) SetPath(path string) {
+	s.Path = path
+}
+
+// Applies returns true when this schema validator applies
+func (s *SchemaValidator) Applies(source interface{}, kind reflect.Kind) bool {
+	_, ok := source.(*spec.Schema)
+	return ok
+}
+
+// Validate validates the data against the schema
+func (s *SchemaValidator) Validate(data interface{}) *Result {
+	result := &Result{data: data}
+	if s == nil {
+		return result
+	}
+	if s.Schema != nil {
+		result.addRootObjectSchemata(s.Schema)
+	}
+
+	if data == nil {
+		result.Merge(s.validators[0].Validate(data)) // type validator
+		result.Merge(s.validators[6].Validate(data)) // common validator
+		return result
+	}
+
+	tpe := reflect.TypeOf(data)
+	kind := tpe.Kind()
+	for kind == reflect.Ptr {
+		tpe = tpe.Elem()
+		kind = tpe.Kind()
+	}
+	d := data
+
+	if kind == reflect.Struct {
+		// NOTE: since reflect retrieves the true nature of types
+		// this means that all strfmt types passed here (e.g. strfmt.Datetime, etc..)
+		// are converted here to strings, and structs are systematically converted
+		// to map[string]interface{}.
+		d = swag.ToDynamicJSON(data)
+	}
+
+	// TODO: this part should be handed over to type validator
+	// Handle special case of json.Number data (number marshalled as string)
+	isnumber := s.Schema.Type.Contains(numberType) || s.Schema.Type.Contains(integerType)
+	if num, ok := data.(json.Number); ok && isnumber {
+		if s.Schema.Type.Contains(integerType) { // avoid lossy conversion
+			in, erri := num.Int64()
+			if erri != nil {
+				result.AddErrors(invalidTypeConversionMsg(s.Path, erri))
+				result.Inc()
+				return result
+			}
+			d = in
+		} else {
+			nf, errf := num.Float64()
+			if errf != nil {
+				result.AddErrors(invalidTypeConversionMsg(s.Path, errf))
+				result.Inc()
+				return result
+			}
+			d = nf
+		}
+
+		tpe = reflect.TypeOf(d)
+		kind = tpe.Kind()
+	}
+
+	for _, v := range s.validators {
+		if !v.Applies(s.Schema, kind) {
+			debugLog("%T does not apply for %v", v, kind)
+			continue
+		}
+
+		err := v.Validate(d)
+		result.Merge(err)
+		result.Inc()
+	}
+	result.Inc()
+
+	return result
+}
+
+func (s *SchemaValidator) typeValidator() valueValidator {
+	return &typeValidator{Type: s.Schema.Type, Nullable: s.Schema.Nullable, Format: s.Schema.Format, In: s.in, Path: s.Path}
+}
+
+func (s *SchemaValidator) commonValidator() valueValidator {
+	return &basicCommonValidator{
+		Path: s.Path,
+		In:   s.in,
+		Enum: s.Schema.Enum,
+	}
+}
+
+func (s *SchemaValidator) sliceValidator() valueValidator {
+	return &schemaSliceValidator{
+		Path:            s.Path,
+		In:              s.in,
+		MaxItems:        s.Schema.MaxItems,
+		MinItems:        s.Schema.MinItems,
+		UniqueItems:     s.Schema.UniqueItems,
+		AdditionalItems: s.Schema.AdditionalItems,
+		Items:           s.Schema.Items,
+		Root:            s.Root,
+		KnownFormats:    s.KnownFormats,
+		Options:         s.Options,
+	}
+}
+
+func (s *SchemaValidator) numberValidator() valueValidator {
+	return &numberValidator{
+		Path:             s.Path,
+		In:               s.in,
+		Default:          s.Schema.Default,
+		MultipleOf:       s.Schema.MultipleOf,
+		Maximum:          s.Schema.Maximum,
+		ExclusiveMaximum: s.Schema.ExclusiveMaximum,
+		Minimum:          s.Schema.Minimum,
+		ExclusiveMinimum: s.Schema.ExclusiveMinimum,
+	}
+}
+
+func (s *SchemaValidator) stringValidator() valueValidator {
+	return &stringValidator{
+		Path:      s.Path,
+		In:        s.in,
+		MaxLength: s.Schema.MaxLength,
+		MinLength: s.Schema.MinLength,
+		Pattern:   s.Schema.Pattern,
+	}
+}
+
+func (s *SchemaValidator) formatValidator() valueValidator {
+	return &formatValidator{
+		Path:         s.Path,
+		In:           s.in,
+		Format:       s.Schema.Format,
+		KnownFormats: s.KnownFormats,
+	}
+}
+
+func (s *SchemaValidator) schemaPropsValidator() valueValidator {
+	sch := s.Schema
+	return newSchemaPropsValidator(s.Path, s.in, sch.AllOf, sch.OneOf, sch.AnyOf, sch.Not, sch.Dependencies, s.Root, s.KnownFormats, s.Options.Options()...)
+}
+
+func (s *SchemaValidator) objectValidator() valueValidator {
+	return &objectValidator{
+		Path:                 s.Path,
+		In:                   s.in,
+		MaxProperties:        s.Schema.MaxProperties,
+		MinProperties:        s.Schema.MinProperties,
+		Required:             s.Schema.Required,
+		Properties:           s.Schema.Properties,
+		AdditionalProperties: s.Schema.AdditionalProperties,
+		PatternProperties:    s.Schema.PatternProperties,
+		Root:                 s.Root,
+		KnownFormats:         s.KnownFormats,
+		Options:              s.Options,
+	}
+}