Files
libopenapi/datamodel/low/v2/definitions.go
2023-09-25 08:59:42 -04:00

279 lines
8.9 KiB
Go

// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
// SPDX-License-Identifier: MIT
package v2
import (
"crypto/sha256"
"sort"
"strings"
"github.com/pb33f/libopenapi/datamodel/low"
"github.com/pb33f/libopenapi/datamodel/low/base"
"github.com/pb33f/libopenapi/index"
"github.com/pb33f/libopenapi/orderedmap"
"github.com/pb33f/libopenapi/utils"
"gopkg.in/yaml.v3"
)
// ParameterDefinitions is a low-level representation of a Swagger / OpenAPI 2 Parameters Definitions object.
//
// ParameterDefinitions holds parameters to be reused across operations. Parameter definitions can be
// referenced to the ones defined here. It does not define global operation parameters
// - https://swagger.io/specification/v2/#parametersDefinitionsObject
type ParameterDefinitions struct {
Definitions orderedmap.Map[low.KeyReference[string], low.ValueReference[*Parameter]]
}
// ResponsesDefinitions is a low-level representation of a Swagger / OpenAPI 2 Responses Definitions object.
//
// ResponsesDefinitions is an object to hold responses to be reused across operations. Response definitions can be
// referenced to the ones defined here. It does not define global operation responses
// - https://swagger.io/specification/v2/#responsesDefinitionsObject
type ResponsesDefinitions struct {
Definitions orderedmap.Map[low.KeyReference[string], low.ValueReference[*Response]]
}
// SecurityDefinitions is a low-level representation of a Swagger / OpenAPI 2 Security Definitions object.
//
// A declaration of the security schemes available to be used in the specification. This does not enforce the security
// schemes on the operations and only serves to provide the relevant details for each scheme
// - https://swagger.io/specification/v2/#securityDefinitionsObject
type SecurityDefinitions struct {
Definitions orderedmap.Map[low.KeyReference[string], low.ValueReference[*SecurityScheme]]
}
// Definitions is a low-level representation of a Swagger / OpenAPI 2 Definitions object
//
// An object to hold data types that can be consumed and produced by operations. These data types can be primitives,
// arrays or models.
// - https://swagger.io/specification/v2/#definitionsObject
type Definitions struct {
Schemas orderedmap.Map[low.KeyReference[string], low.ValueReference[*base.SchemaProxy]]
}
// FindSchema will attempt to locate a base.SchemaProxy instance using a name.
func (d *Definitions) FindSchema(schema string) *low.ValueReference[*base.SchemaProxy] {
return low.FindItemInOrderedMap[*base.SchemaProxy](schema, d.Schemas)
}
// FindParameter will attempt to locate a Parameter instance using a name.
func (pd *ParameterDefinitions) FindParameter(parameter string) *low.ValueReference[*Parameter] {
return low.FindItemInOrderedMap[*Parameter](parameter, pd.Definitions)
}
// FindResponse will attempt to locate a Response instance using a name.
func (r *ResponsesDefinitions) FindResponse(response string) *low.ValueReference[*Response] {
return low.FindItemInOrderedMap[*Response](response, r.Definitions)
}
// FindSecurityDefinition will attempt to locate a SecurityScheme using a name.
func (s *SecurityDefinitions) FindSecurityDefinition(securityDef string) *low.ValueReference[*SecurityScheme] {
return low.FindItemInOrderedMap[*SecurityScheme](securityDef, s.Definitions)
}
// Build will extract all definitions into SchemaProxy instances.
func (d *Definitions) Build(_, root *yaml.Node, idx *index.SpecIndex) error {
root = utils.NodeAlias(root)
utils.CheckForMergeNodes(root)
// TODO: Refactor with orderedmap.TranslatePipeline.
errorChan := make(chan error)
resultChan := make(chan definitionResult[*base.SchemaProxy])
var defLabel *yaml.Node
totalDefinitions := 0
var buildFunc = func(label *yaml.Node, value *yaml.Node, idx *index.SpecIndex,
r chan definitionResult[*base.SchemaProxy], e chan error) {
obj, err, _, rv := low.ExtractObjectRaw[*base.SchemaProxy](label, value, idx)
if err != nil {
e <- err
}
r <- definitionResult[*base.SchemaProxy]{k: label, v: low.ValueReference[*base.SchemaProxy]{
Value: obj, ValueNode: value, Reference: rv,
}}
}
for i := range root.Content {
if i%2 == 0 {
defLabel = root.Content[i]
continue
}
totalDefinitions++
go buildFunc(defLabel, root.Content[i], idx, resultChan, errorChan)
}
completedDefs := 0
results := orderedmap.New[low.KeyReference[string], low.ValueReference[*base.SchemaProxy]]()
for completedDefs < totalDefinitions {
select {
case err := <-errorChan:
return err
case sch := <-resultChan:
completedDefs++
key := low.KeyReference[string]{
Value: sch.k.Value,
KeyNode: sch.k,
}
results.Set(key, sch.v)
}
}
d.Schemas = results
return nil
}
// Hash will return a consistent SHA256 Hash of the Definitions object
func (d *Definitions) Hash() [32]byte {
var f []string
keys := make([]string, orderedmap.Len(d.Schemas))
z := 0
for pair := orderedmap.First(d.Schemas); pair != nil; pair = pair.Next() {
keys[z] = pair.Key().Value
z++
}
sort.Strings(keys)
for k := range keys {
f = append(f, low.GenerateHashString(d.FindSchema(keys[k]).Value))
}
return sha256.Sum256([]byte(strings.Join(f, "|")))
}
// Build will extract all ParameterDefinitions into Parameter instances.
func (pd *ParameterDefinitions) Build(_, root *yaml.Node, idx *index.SpecIndex) error {
errorChan := make(chan error)
resultChan := make(chan definitionResult[*Parameter])
var defLabel *yaml.Node
totalDefinitions := 0
var buildFunc = func(label *yaml.Node, value *yaml.Node, idx *index.SpecIndex,
r chan definitionResult[*Parameter], e chan error) {
obj, err, _, rv := low.ExtractObjectRaw[*Parameter](label, value, idx)
if err != nil {
e <- err
}
r <- definitionResult[*Parameter]{k: label, v: low.ValueReference[*Parameter]{Value: obj,
ValueNode: value, Reference: rv}}
}
for i := range root.Content {
if i%2 == 0 {
defLabel = root.Content[i]
continue
}
totalDefinitions++
go buildFunc(defLabel, root.Content[i], idx, resultChan, errorChan)
}
completedDefs := 0
results := orderedmap.New[low.KeyReference[string], low.ValueReference[*Parameter]]()
for completedDefs < totalDefinitions {
select {
case err := <-errorChan:
return err
case sch := <-resultChan:
completedDefs++
key := low.KeyReference[string]{
Value: sch.k.Value,
KeyNode: sch.k,
}
results.Set(key, sch.v)
}
}
pd.Definitions = results
return nil
}
// re-usable struct for holding results as k/v pairs.
type definitionResult[T any] struct {
k *yaml.Node
v low.ValueReference[T]
}
// Build will extract all ResponsesDefinitions into Response instances.
func (r *ResponsesDefinitions) Build(_, root *yaml.Node, idx *index.SpecIndex) error {
errorChan := make(chan error)
resultChan := make(chan definitionResult[*Response])
var defLabel *yaml.Node
totalDefinitions := 0
var buildFunc = func(label *yaml.Node, value *yaml.Node, idx *index.SpecIndex,
r chan definitionResult[*Response], e chan error) {
obj, err, _, rv := low.ExtractObjectRaw[*Response](label, value, idx)
if err != nil {
e <- err
}
r <- definitionResult[*Response]{k: label, v: low.ValueReference[*Response]{Value: obj,
ValueNode: value, Reference: rv}}
}
for i := range root.Content {
if i%2 == 0 {
defLabel = root.Content[i]
continue
}
totalDefinitions++
go buildFunc(defLabel, root.Content[i], idx, resultChan, errorChan)
}
completedDefs := 0
results := orderedmap.New[low.KeyReference[string], low.ValueReference[*Response]]()
for completedDefs < totalDefinitions {
select {
case err := <-errorChan:
return err
case sch := <-resultChan:
completedDefs++
key := low.KeyReference[string]{
Value: sch.k.Value,
KeyNode: sch.k,
}
results.Set(key, sch.v)
}
}
r.Definitions = results
return nil
}
// Build will extract all SecurityDefinitions into SecurityScheme instances.
func (s *SecurityDefinitions) Build(_, root *yaml.Node, idx *index.SpecIndex) error {
errorChan := make(chan error)
resultChan := make(chan definitionResult[*SecurityScheme])
var defLabel *yaml.Node
totalDefinitions := 0
var buildFunc = func(label *yaml.Node, value *yaml.Node, idx *index.SpecIndex,
r chan definitionResult[*SecurityScheme], e chan error) {
obj, err, _, rv := low.ExtractObjectRaw[*SecurityScheme](label, value, idx)
if err != nil {
e <- err
}
r <- definitionResult[*SecurityScheme]{k: label, v: low.ValueReference[*SecurityScheme]{
Value: obj, ValueNode: value, Reference: rv,
}}
}
for i := range root.Content {
if i%2 == 0 {
defLabel = root.Content[i]
continue
}
totalDefinitions++
go buildFunc(defLabel, root.Content[i], idx, resultChan, errorChan)
}
completedDefs := 0
results := orderedmap.New[low.KeyReference[string], low.ValueReference[*SecurityScheme]]()
for completedDefs < totalDefinitions {
select {
case err := <-errorChan:
return err
case sch := <-resultChan:
completedDefs++
key := low.KeyReference[string]{
Value: sch.k.Value,
KeyNode: sch.k,
}
results.Set(key, sch.v)
}
}
s.Definitions = results
return nil
}