mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-02 07:20:00 +00:00
355 lines
8.2 KiB
Go
355 lines
8.2 KiB
Go
// 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"
|
|
)
|
|
|
|
// SchemaValidator validates data against a JSON schema
|
|
type SchemaValidator struct {
|
|
Path string
|
|
in string
|
|
Schema *spec.Schema
|
|
validators [8]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,
|
|
append(options, WithRecycleValidators(true), withRecycleResults(true))...,
|
|
).Validate(data)
|
|
defer func() {
|
|
pools.poolOfResults.RedeemResult(res)
|
|
}()
|
|
|
|
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 {
|
|
opts := new(SchemaValidatorOptions)
|
|
for _, o := range options {
|
|
o(opts)
|
|
}
|
|
|
|
return newSchemaValidator(schema, rootSchema, root, formats, opts)
|
|
}
|
|
|
|
func newSchemaValidator(schema *spec.Schema, rootSchema interface{}, root string, formats strfmt.Registry, opts *SchemaValidatorOptions) *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)
|
|
}
|
|
}
|
|
|
|
if opts == nil {
|
|
opts = new(SchemaValidatorOptions)
|
|
}
|
|
|
|
var s *SchemaValidator
|
|
if opts.recycleValidators {
|
|
s = pools.poolOfSchemaValidators.BorrowValidator()
|
|
} else {
|
|
s = new(SchemaValidator)
|
|
}
|
|
|
|
s.Path = root
|
|
s.in = "body"
|
|
s.Schema = schema
|
|
s.Root = rootSchema
|
|
s.Options = opts
|
|
s.KnownFormats = formats
|
|
|
|
s.validators = [8]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{}, _ reflect.Kind) bool {
|
|
_, ok := source.(*spec.Schema)
|
|
return ok
|
|
}
|
|
|
|
// Validate validates the data against the schema
|
|
func (s *SchemaValidator) Validate(data interface{}) *Result {
|
|
if s == nil {
|
|
return emptyResult
|
|
}
|
|
|
|
if s.Options.recycleValidators {
|
|
defer func() {
|
|
s.redeemChildren()
|
|
s.redeem() // one-time use validator
|
|
}()
|
|
}
|
|
|
|
var result *Result
|
|
if s.Options.recycleResult {
|
|
result = pools.poolOfResults.BorrowResult()
|
|
result.data = data
|
|
} else {
|
|
result = &Result{data: data}
|
|
}
|
|
|
|
if s.Schema != nil && !s.Options.skipSchemataResult {
|
|
result.addRootObjectSchemata(s.Schema)
|
|
}
|
|
|
|
if data == nil {
|
|
// early exit with minimal validation
|
|
result.Merge(s.validators[0].Validate(data)) // type validator
|
|
result.Merge(s.validators[6].Validate(data)) // common validator
|
|
|
|
if s.Options.recycleValidators {
|
|
s.validators[0] = nil
|
|
s.validators[6] = nil
|
|
}
|
|
|
|
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 idx, v := range s.validators {
|
|
if !v.Applies(s.Schema, kind) {
|
|
if s.Options.recycleValidators {
|
|
// Validate won't be called, so relinquish this validator
|
|
if redeemableChildren, ok := v.(interface{ redeemChildren() }); ok {
|
|
redeemableChildren.redeemChildren()
|
|
}
|
|
if redeemable, ok := v.(interface{ redeem() }); ok {
|
|
redeemable.redeem()
|
|
}
|
|
s.validators[idx] = nil // prevents further (unsafe) usage
|
|
}
|
|
|
|
continue
|
|
}
|
|
|
|
result.Merge(v.Validate(d))
|
|
if s.Options.recycleValidators {
|
|
s.validators[idx] = nil // prevents further (unsafe) usage
|
|
}
|
|
result.Inc()
|
|
}
|
|
result.Inc()
|
|
|
|
return result
|
|
}
|
|
|
|
func (s *SchemaValidator) typeValidator() valueValidator {
|
|
return newTypeValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.Type,
|
|
s.Schema.Nullable,
|
|
s.Schema.Format,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) commonValidator() valueValidator {
|
|
return newBasicCommonValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.Default,
|
|
s.Schema.Enum,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) sliceValidator() valueValidator {
|
|
return newSliceValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.MaxItems,
|
|
s.Schema.MinItems,
|
|
s.Schema.UniqueItems,
|
|
s.Schema.AdditionalItems,
|
|
s.Schema.Items,
|
|
s.Root,
|
|
s.KnownFormats,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) numberValidator() valueValidator {
|
|
return newNumberValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.Default,
|
|
s.Schema.MultipleOf,
|
|
s.Schema.Maximum,
|
|
s.Schema.ExclusiveMaximum,
|
|
s.Schema.Minimum,
|
|
s.Schema.ExclusiveMinimum,
|
|
"",
|
|
"",
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) stringValidator() valueValidator {
|
|
return newStringValidator(
|
|
s.Path,
|
|
s.in,
|
|
nil,
|
|
false,
|
|
false,
|
|
s.Schema.MaxLength,
|
|
s.Schema.MinLength,
|
|
s.Schema.Pattern,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) formatValidator() valueValidator {
|
|
return newFormatValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.Format,
|
|
s.KnownFormats,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
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,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) objectValidator() valueValidator {
|
|
return newObjectValidator(
|
|
s.Path,
|
|
s.in,
|
|
s.Schema.MaxProperties,
|
|
s.Schema.MinProperties,
|
|
s.Schema.Required,
|
|
s.Schema.Properties,
|
|
s.Schema.AdditionalProperties,
|
|
s.Schema.PatternProperties,
|
|
s.Root,
|
|
s.KnownFormats,
|
|
s.Options,
|
|
)
|
|
}
|
|
|
|
func (s *SchemaValidator) redeem() {
|
|
pools.poolOfSchemaValidators.RedeemValidator(s)
|
|
}
|
|
|
|
func (s *SchemaValidator) redeemChildren() {
|
|
for i, validator := range s.validators {
|
|
if validator == nil {
|
|
continue
|
|
}
|
|
if redeemableChildren, ok := validator.(interface{ redeemChildren() }); ok {
|
|
redeemableChildren.redeemChildren()
|
|
}
|
|
if redeemable, ok := validator.(interface{ redeem() }); ok {
|
|
redeemable.redeem()
|
|
}
|
|
s.validators[i] = nil // free up allocated children if not in pool
|
|
}
|
|
}
|