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types.go
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types.go
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package genopenapi
import (
"bytes"
"encoding/json"
"fmt"
"github.com/grpc-ecosystem/grpc-gateway/v2/internal/descriptor"
"gopkg.in/yaml.v3"
)
type param struct {
*descriptor.File
reg *descriptor.Registry
}
// http://swagger.io/specification/#infoObject
type openapiInfoObject struct {
Title string `json:"title" yaml:"title"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
TermsOfService string `json:"termsOfService,omitempty" yaml:"termsOfService,omitempty"`
Version string `json:"version" yaml:"version"`
Contact *openapiContactObject `json:"contact,omitempty" yaml:"contact,omitempty"`
License *openapiLicenseObject `json:"license,omitempty" yaml:"license,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
// https://swagger.io/specification/#tagObject
type openapiTagObject struct {
Name string `json:"name" yaml:"name"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
ExternalDocs *openapiExternalDocumentationObject `json:"externalDocs,omitempty" yaml:"externalDocs,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
// http://swagger.io/specification/#contactObject
type openapiContactObject struct {
Name string `json:"name,omitempty" yaml:"name,omitempty"`
URL string `json:"url,omitempty" yaml:"url,omitempty"`
Email string `json:"email,omitempty" yaml:"email,omitempty"`
}
// http://swagger.io/specification/#licenseObject
type openapiLicenseObject struct {
Name string `json:"name,omitempty" yaml:"name,omitempty"`
URL string `json:"url,omitempty" yaml:"url,omitempty"`
}
// http://swagger.io/specification/#externalDocumentationObject
type openapiExternalDocumentationObject struct {
Description string `json:"description,omitempty" yaml:"description,omitempty"`
URL string `json:"url,omitempty" yaml:"url,omitempty"`
}
type extension struct {
key string `json:"-" yaml:"-"`
value json.RawMessage `json:"-" yaml:"-"`
}
// http://swagger.io/specification/#swaggerObject
type openapiSwaggerObject struct {
Swagger string `json:"swagger" yaml:"swagger"`
Info openapiInfoObject `json:"info" yaml:"info"`
Tags []openapiTagObject `json:"tags,omitempty" yaml:"tags,omitempty"`
Host string `json:"host,omitempty" yaml:"host,omitempty"`
BasePath string `json:"basePath,omitempty" yaml:"basePath,omitempty"`
Schemes []string `json:"schemes,omitempty" yaml:"schemes,omitempty"`
Consumes []string `json:"consumes" yaml:"consumes"`
Produces []string `json:"produces" yaml:"produces"`
Paths openapiPathsObject `json:"paths" yaml:"paths"`
Definitions openapiDefinitionsObject `json:"definitions" yaml:"definitions"`
SecurityDefinitions openapiSecurityDefinitionsObject `json:"securityDefinitions,omitempty" yaml:"securityDefinitions,omitempty"`
Security []openapiSecurityRequirementObject `json:"security,omitempty" yaml:"security,omitempty"`
ExternalDocs *openapiExternalDocumentationObject `json:"externalDocs,omitempty" yaml:"externalDocs,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
// http://swagger.io/specification/#securityDefinitionsObject
type openapiSecurityDefinitionsObject map[string]openapiSecuritySchemeObject
// http://swagger.io/specification/#securitySchemeObject
type openapiSecuritySchemeObject struct {
Type string `json:"type" yaml:"type"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
Name string `json:"name,omitempty" yaml:"name,omitempty"`
In string `json:"in,omitempty" yaml:"in,omitempty"`
Flow string `json:"flow,omitempty" yaml:"flow,omitempty"`
AuthorizationURL string `json:"authorizationUrl,omitempty" yaml:"authorizationUrl,omitempty"`
TokenURL string `json:"tokenUrl,omitempty" yaml:"tokenUrl,omitempty"`
Scopes openapiScopesObject `json:"scopes,omitempty" yaml:"scopes,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
// http://swagger.io/specification/#scopesObject
type openapiScopesObject map[string]string
// http://swagger.io/specification/#securityRequirementObject
type openapiSecurityRequirementObject map[string][]string
// http://swagger.io/specification/#pathsObject
type openapiPathsObject map[string]openapiPathItemObject
// http://swagger.io/specification/#pathItemObject
type openapiPathItemObject struct {
Get *openapiOperationObject `json:"get,omitempty" yaml:"get,omitempty"`
Delete *openapiOperationObject `json:"delete,omitempty" yaml:"delete,omitempty"`
Post *openapiOperationObject `json:"post,omitempty" yaml:"post,omitempty"`
Put *openapiOperationObject `json:"put,omitempty" yaml:"put,omitempty"`
Patch *openapiOperationObject `json:"patch,omitempty" yaml:"patch,omitempty"`
Head *openapiOperationObject `json:"head,omitempty" yaml:"head,omitempty"`
Options *openapiOperationObject `json:"options,omitempty" yaml:"options,omitempty"`
// While TRACE is supported in OpenAPI v3, it is not supported in OpenAPI v2
// Trace *openapiOperationObject `json:"trace,omitempty" yaml:"trace,omitempty"`
}
// http://swagger.io/specification/#operationObject
type openapiOperationObject struct {
Summary string `json:"summary,omitempty" yaml:"summary,omitempty"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
OperationID string `json:"operationId" yaml:"operationId"`
Responses openapiResponsesObject `json:"responses" yaml:"responses"`
Parameters openapiParametersObject `json:"parameters,omitempty" yaml:"parameters,omitempty"`
Tags []string `json:"tags,omitempty" yaml:"tags,omitempty"`
Deprecated bool `json:"deprecated,omitempty" yaml:"deprecated,omitempty"`
Consumes []string `json:"consumes,omitempty" yaml:"consumes,omitempty"`
Produces []string `json:"produces,omitempty" yaml:"produces,omitempty"`
Security *[]openapiSecurityRequirementObject `json:"security,omitempty" yaml:"security,omitempty"`
ExternalDocs *openapiExternalDocumentationObject `json:"externalDocs,omitempty" yaml:"externalDocs,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
type openapiParametersObject []openapiParameterObject
// http://swagger.io/specification/#parameterObject
type openapiParameterObject struct {
Name string `json:"name" yaml:"name"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
In string `json:"in,omitempty" yaml:"in,omitempty"`
Required bool `json:"required" yaml:"required"`
Type string `json:"type,omitempty" yaml:"type,omitempty"`
Format string `json:"format,omitempty" yaml:"format,omitempty"`
Items *openapiItemsObject `json:"items,omitempty" yaml:"items,omitempty"`
Enum []string `json:"enum,omitempty" yaml:"enum,omitempty"`
CollectionFormat string `json:"collectionFormat,omitempty" yaml:"collectionFormat,omitempty"`
Default string `json:"default,omitempty" yaml:"default,omitempty"`
MinItems *int `json:"minItems,omitempty" yaml:"minItems,omitempty"`
Pattern string `json:"pattern,omitempty" yaml:"pattern,omitempty"`
// Or you can explicitly refer to another type. If this is defined all
// other fields should be empty
Schema *openapiSchemaObject `json:"schema,omitempty" yaml:"schema,omitempty"`
extensions []extension
}
// core part of schema, which is common to itemsObject and schemaObject.
// http://swagger.io/specification/v2/#itemsObject
// The OAS3 spec (https://swagger.io/specification/#schemaObject) defines the
// `nullable` field as part of a Schema Object. This behavior has been
// "back-ported" to OAS2 as the Specification Extension `x-nullable`, and is
// supported by generation tools such as swagger-codegen and go-swagger.
// For protoc-gen-openapiv3, we'd want to add `nullable` instead.
type schemaCore struct {
Type string `json:"type,omitempty" yaml:"type,omitempty"`
Format string `json:"format,omitempty" yaml:"format,omitempty"`
Ref string `json:"$ref,omitempty" yaml:"$ref,omitempty"`
XNullable bool `json:"x-nullable,omitempty" yaml:"x-nullable,omitempty"`
Example RawExample `json:"example,omitempty" yaml:"example,omitempty"`
Items *openapiItemsObject `json:"items,omitempty" yaml:"items,omitempty"`
// If the item is an enumeration include a list of all the *NAMES* of the
// enum values. I'm not sure how well this will work but assuming all enums
// start from 0 index it will be great. I don't think that is a good assumption.
Enum []string `json:"enum,omitempty" yaml:"enum,omitempty"`
Default string `json:"default,omitempty" yaml:"default,omitempty"`
}
type allOfEntry struct {
Ref string `json:"$ref,omitempty" yaml:"$ref,omitempty"`
}
type RawExample json.RawMessage
func (m RawExample) MarshalJSON() ([]byte, error) {
return (json.RawMessage)(m).MarshalJSON()
}
func (m *RawExample) UnmarshalJSON(data []byte) error {
return (*json.RawMessage)(m).UnmarshalJSON(data)
}
// MarshalYAML implements yaml.Marshaler interface.
//
// It converts RawExample to one of yaml-supported types and returns it.
//
// From yaml.Marshaler docs: The Marshaler interface may be implemented
// by types to customize their behavior when being marshaled into a YAML
// document. The returned value is marshaled in place of the original
// value implementing Marshaler.
func (e RawExample) MarshalYAML() (interface{}, error) {
// From docs, json.Unmarshal will store one of next types to data:
// - bool, for JSON booleans;
// - float64, for JSON numbers;
// - string, for JSON strings;
// - []interface{}, for JSON arrays;
// - map[string]interface{}, for JSON objects;
// - nil for JSON null.
var data interface{}
if err := json.Unmarshal(e, &data); err != nil {
return nil, err
}
return data, nil
}
func (s *schemaCore) setRefFromFQN(ref string, reg *descriptor.Registry) error {
name, ok := fullyQualifiedNameToOpenAPIName(ref, reg)
if !ok {
return fmt.Errorf("setRefFromFQN: can't resolve OpenAPI name from %q", ref)
}
s.Ref = fmt.Sprintf("#/definitions/%s", name)
return nil
}
type openapiItemsObject openapiSchemaObject
// http://swagger.io/specification/#responsesObject
type openapiResponsesObject map[string]openapiResponseObject
// http://swagger.io/specification/#responseObject
type openapiResponseObject struct {
Description string `json:"description" yaml:"description"`
Schema openapiSchemaObject `json:"schema" yaml:"schema"`
Examples map[string]interface{} `json:"examples,omitempty" yaml:"examples,omitempty"`
Headers openapiHeadersObject `json:"headers,omitempty" yaml:"headers,omitempty"`
extensions []extension `json:"-" yaml:"-"`
}
type openapiHeadersObject map[string]openapiHeaderObject
// http://swagger.io/specification/#headerObject
type openapiHeaderObject struct {
Description string `json:"description,omitempty" yaml:"description,omitempty"`
Type string `json:"type,omitempty" yaml:"type,omitempty"`
Format string `json:"format,omitempty" yaml:"format,omitempty"`
Default RawExample `json:"default,omitempty" yaml:"default,omitempty"`
Pattern string `json:"pattern,omitempty" yaml:"pattern,omitempty"`
}
type keyVal struct {
Key string
Value interface{}
}
type openapiSchemaObjectProperties []keyVal
func (p openapiSchemaObjectProperties) MarshalYAML() (interface{}, error) {
n := yaml.Node{
Kind: yaml.MappingNode,
Content: make([]*yaml.Node, len(p)*2),
}
for i, v := range p {
keyNode := yaml.Node{}
if err := keyNode.Encode(v.Key); err != nil {
return nil, err
}
valueNode := yaml.Node{}
if err := valueNode.Encode(v.Value); err != nil {
return nil, err
}
n.Content[i*2+0] = &keyNode
n.Content[i*2+1] = &valueNode
}
return n, nil
}
func (op openapiSchemaObjectProperties) MarshalJSON() ([]byte, error) {
var buf bytes.Buffer
buf.WriteString("{")
for i, kv := range op {
if i != 0 {
buf.WriteString(",")
}
key, err := json.Marshal(kv.Key)
if err != nil {
return nil, err
}
buf.Write(key)
buf.WriteString(":")
val, err := json.Marshal(kv.Value)
if err != nil {
return nil, err
}
buf.Write(val)
}
buf.WriteString("}")
return buf.Bytes(), nil
}
// http://swagger.io/specification/#schemaObject
type openapiSchemaObject struct {
schemaCore `yaml:",inline"`
// Properties can be recursively defined
Properties *openapiSchemaObjectProperties `json:"properties,omitempty" yaml:"properties,omitempty"`
AdditionalProperties *openapiSchemaObject `json:"additionalProperties,omitempty" yaml:"additionalProperties,omitempty"`
Description string `json:"description,omitempty" yaml:"description,omitempty"`
Title string `json:"title,omitempty" yaml:"title,omitempty"`
ExternalDocs *openapiExternalDocumentationObject `json:"externalDocs,omitempty" yaml:"externalDocs,omitempty"`
ReadOnly bool `json:"readOnly,omitempty" yaml:"readOnly,omitempty"`
MultipleOf float64 `json:"multipleOf,omitempty" yaml:"multipleOf,omitempty"`
Maximum float64 `json:"maximum,omitempty" yaml:"maximum,omitempty"`
ExclusiveMaximum bool `json:"exclusiveMaximum,omitempty" yaml:"exclusiveMaximum,omitempty"`
Minimum float64 `json:"minimum,omitempty" yaml:"minimum,omitempty"`
ExclusiveMinimum bool `json:"exclusiveMinimum,omitempty" yaml:"exclusiveMinimum,omitempty"`
MaxLength uint64 `json:"maxLength,omitempty" yaml:"maxLength,omitempty"`
MinLength uint64 `json:"minLength,omitempty" yaml:"minLength,omitempty"`
Pattern string `json:"pattern,omitempty" yaml:"pattern,omitempty"`
MaxItems uint64 `json:"maxItems,omitempty" yaml:"maxItems,omitempty"`
MinItems uint64 `json:"minItems,omitempty" yaml:"minItems,omitempty"`
UniqueItems bool `json:"uniqueItems,omitempty" yaml:"uniqueItems,omitempty"`
MaxProperties uint64 `json:"maxProperties,omitempty" yaml:"maxProperties,omitempty"`
MinProperties uint64 `json:"minProperties,omitempty" yaml:"minProperties,omitempty"`
Required []string `json:"required,omitempty" yaml:"required,omitempty"`
extensions []extension
AllOf []allOfEntry `json:"allOf,omitempty" yaml:"allOf,omitempty"`
}
// http://swagger.io/specification/#definitionsObject
type openapiDefinitionsObject map[string]openapiSchemaObject
// Internal type mapping from FQMN to descriptor.Message. Used as a set by the
// findServiceMessages function.
type messageMap map[string]*descriptor.Message
// Internal type mapping from FQEN to descriptor.Enum. Used as a set by the
// findServiceMessages function.
type enumMap map[string]*descriptor.Enum
// Internal type to store used references.
type refMap map[string]struct{}