mirror of
https://github.com/LukeHagar/libopenapi.git
synced 2025-12-06 04:20:11 +00:00
81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package v3
|
|
|
|
import (
|
|
"crypto/sha256"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/pb33f/libopenapi/datamodel/low"
|
|
"github.com/pb33f/libopenapi/index"
|
|
"github.com/pb33f/libopenapi/orderedmap"
|
|
"github.com/pb33f/libopenapi/utils"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
// Encoding represents a low-level OpenAPI 3+ Encoding object
|
|
// - https://spec.openapis.org/oas/v3.1.0#encoding-object
|
|
type Encoding struct {
|
|
ContentType low.NodeReference[string]
|
|
Headers low.NodeReference[orderedmap.Map[low.KeyReference[string], low.ValueReference[*Header]]]
|
|
Style low.NodeReference[string]
|
|
Explode low.NodeReference[bool]
|
|
AllowReserved low.NodeReference[bool]
|
|
*low.Reference
|
|
}
|
|
|
|
// FindHeader attempts to locate a Header with the supplied name
|
|
func (en *Encoding) FindHeader(hType string) *low.ValueReference[*Header] {
|
|
return low.FindItemInOrderedMap[*Header](hType, en.Headers.Value)
|
|
}
|
|
|
|
// Hash will return a consistent SHA256 Hash of the Encoding object
|
|
func (en *Encoding) Hash() [32]byte {
|
|
var f []string
|
|
if en.ContentType.Value != "" {
|
|
f = append(f, en.ContentType.Value)
|
|
}
|
|
if orderedmap.Len(en.Headers.Value) > 0 {
|
|
l := make([]string, orderedmap.Len(en.Headers.Value))
|
|
keys := make(map[string]low.ValueReference[*Header])
|
|
z := 0
|
|
for pair := orderedmap.First(en.Headers.Value); pair != nil; pair = pair.Next() {
|
|
keys[pair.Key().Value] = pair.Value()
|
|
l[z] = pair.Key().Value
|
|
z++
|
|
}
|
|
|
|
// FIXME: Redundant iteration?
|
|
for pair := orderedmap.First(en.Headers.Value); pair != nil; pair = pair.Next() {
|
|
f = append(f, fmt.Sprintf("%s-%x", pair.Key().Value, pair.Value().Value.Hash()))
|
|
}
|
|
}
|
|
if en.Style.Value != "" {
|
|
f = append(f, en.Style.Value)
|
|
}
|
|
f = append(f, fmt.Sprint(sha256.Sum256([]byte(fmt.Sprint(en.Explode.Value)))))
|
|
f = append(f, fmt.Sprint(sha256.Sum256([]byte(fmt.Sprint(en.AllowReserved.Value)))))
|
|
return sha256.Sum256([]byte(strings.Join(f, "|")))
|
|
}
|
|
|
|
// Build will extract all Header objects from supplied node.
|
|
func (en *Encoding) Build(_, root *yaml.Node, idx *index.SpecIndex) error {
|
|
root = utils.NodeAlias(root)
|
|
utils.CheckForMergeNodes(root)
|
|
en.Reference = new(low.Reference)
|
|
headers, hL, hN, err := low.ExtractMap[*Header](HeadersLabel, root, idx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if headers != nil {
|
|
en.Headers = low.NodeReference[orderedmap.Map[low.KeyReference[string], low.ValueReference[*Header]]]{
|
|
Value: headers,
|
|
KeyNode: hL,
|
|
ValueNode: hN,
|
|
}
|
|
}
|
|
return nil
|
|
}
|