forked from go-swagger/go-swagger
/
type.go
160 lines (147 loc) · 5.23 KB
/
type.go
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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"
"strings"
"github.com/go-swagger/go-swagger/errors"
"github.com/go-swagger/go-swagger/httpkit"
"github.com/go-swagger/go-swagger/spec"
"github.com/go-swagger/go-swagger/strfmt"
"github.com/go-swagger/go-swagger/swag"
)
type typeValidator struct {
Type spec.StringOrArray
Format string
In string
Path string
}
var jsonTypeNames = map[string]struct{}{
"array": struct{}{},
"boolean": struct{}{},
"integer": struct{}{},
"null": struct{}{},
"number": struct{}{},
"object": struct{}{},
"string": struct{}{},
}
func (t *typeValidator) schemaInfoForType(data interface{}) (string, string) {
switch data.(type) {
case []byte:
return "string", "byte"
case strfmt.Date, *strfmt.Date:
return "string", "date"
case strfmt.DateTime, *strfmt.DateTime:
return "string", "datetime"
case httpkit.File, *httpkit.File:
return "file", ""
case strfmt.URI, *strfmt.URI:
return "string", "uri"
case strfmt.Email, *strfmt.Email:
return "string", "email"
case strfmt.Hostname, *strfmt.Hostname:
return "string", "hostname"
case strfmt.IPv4, *strfmt.IPv4:
return "string", "ipv4"
case strfmt.IPv6, *strfmt.IPv6:
return "string", "ipv6"
case strfmt.UUID, *strfmt.UUID:
return "string", "uuid"
case strfmt.UUID3, *strfmt.UUID3:
return "string", "uuid3"
case strfmt.UUID4, *strfmt.UUID4:
return "string", "uuid4"
case strfmt.UUID5, *strfmt.UUID5:
return "string", "uuid5"
case strfmt.ISBN, *strfmt.ISBN:
return "string", "isbn"
case strfmt.ISBN10, *strfmt.ISBN10:
return "string", "isbn10"
case strfmt.ISBN13, *strfmt.ISBN13:
return "string", "isbn13"
case strfmt.CreditCard, *strfmt.CreditCard:
return "string", "creditcard"
case strfmt.SSN, *strfmt.SSN:
return "string", "ssn"
case strfmt.HexColor, *strfmt.HexColor:
return "string", "hexcolor"
case strfmt.RGBColor, *strfmt.RGBColor:
return "string", "rgbcolor"
default:
val := reflect.ValueOf(data)
tpe := val.Type()
switch tpe.Kind() {
case reflect.Bool:
return "boolean", ""
case reflect.String:
return "string", ""
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint8, reflect.Uint16, reflect.Uint32:
return "integer", "int32"
case reflect.Int, reflect.Int64, reflect.Uint, reflect.Uint64:
return "integer", "int64"
case reflect.Float32:
return "number", "float32"
case reflect.Float64:
return "number", "float64"
case reflect.Slice:
return "array", ""
case reflect.Map, reflect.Struct:
return "object", ""
case reflect.Interface:
// What to do here?
panic("dunno what to do here")
case reflect.Ptr:
return t.schemaInfoForType(reflect.Indirect(val).Interface())
}
}
return "", ""
}
func (t *typeValidator) SetPath(path string) {
t.Path = path
}
func (t *typeValidator) Applies(source interface{}, kind reflect.Kind) bool {
stpe := reflect.TypeOf(source)
r := (len(t.Type) > 0 || t.Format != "") && (stpe == specSchemaType || stpe == specParameterType || stpe == specHeaderType)
//fmt.Printf("type validator for %q applies %t for %T (kind: %v)\n", t.Path, r, source, kind)
return r
}
func (t *typeValidator) Validate(data interface{}) *Result {
result := new(Result)
result.Inc()
if data == nil || reflect.DeepEqual(reflect.Zero(reflect.TypeOf(data)), reflect.ValueOf(data)) {
if len(t.Type) > 0 && !t.Type.Contains("null") { // TODO: if a property is not required it also passes this
return sErr(errors.InvalidType(t.Path, t.In, strings.Join(t.Type, ","), "null"))
}
return result
}
// check if the type matches, should be used in every validator chain as first item
val := reflect.Indirect(reflect.ValueOf(data))
kind := val.Kind()
schType, format := t.schemaInfoForType(data)
//fmt.Println("path:", t.Path, "schType:", schType, "format:", format, "expType:", t.Type, "expFmt:", t.Format, "kind:", val.Kind().String())
isLowerInt := t.Format == "int64" && format == "int32"
isLowerFloat := t.Format == "float64" && format == "float32"
isFloatInt := schType == "number" && swag.IsFloat64AJSONInteger(val.Float()) && t.Type.Contains("integer")
isIntFloat := schType == "integer" && t.Type.Contains("number")
if kind != reflect.String && kind != reflect.Slice && t.Format != "" && !(t.Type.Contains(schType) || format == t.Format || isFloatInt || isIntFloat || isLowerInt || isLowerFloat) {
return sErr(errors.InvalidType(t.Path, t.In, t.Format, format))
}
if !(t.Type.Contains("number") || t.Type.Contains("integer")) && t.Format != "" && (kind == reflect.String || kind == reflect.Slice) {
return result
}
if !(t.Type.Contains(schType) || isFloatInt || isIntFloat) {
return sErr(errors.InvalidType(t.Path, t.In, strings.Join(t.Type, ","), schType))
}
return result
}