mirror of
https://github.com/LukeHagar/libopenapi.git
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77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
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// SPDX-License-Identifier: MIT
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package v3
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import (
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"crypto/sha256"
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"github.com/pb33f/libopenapi/datamodel/low"
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"github.com/pb33f/libopenapi/index"
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"github.com/pb33f/libopenapi/utils"
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"gopkg.in/yaml.v3"
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"strings"
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)
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// Server represents a low-level OpenAPI 3+ Server object.
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// - https://spec.openapis.org/oas/v3.1.0#server-object
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type Server struct {
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URL low.NodeReference[string]
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Description low.NodeReference[string]
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Variables low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*ServerVariable]]
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}
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// FindVariable attempts to locate a ServerVariable instance using the supplied key.
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func (s *Server) FindVariable(serverVar string) *low.ValueReference[*ServerVariable] {
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return low.FindItemInMap[*ServerVariable](serverVar, s.Variables.Value)
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}
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// Build will extract server variables from the supplied node.
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func (s *Server) Build(root *yaml.Node, idx *index.SpecIndex) error {
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kn, vars := utils.FindKeyNode(VariablesLabel, root.Content)
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if vars == nil {
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return nil
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}
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variablesMap := make(map[low.KeyReference[string]]low.ValueReference[*ServerVariable])
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if utils.IsNodeMap(vars) {
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var currentNode string
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var keyNode *yaml.Node
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for i, varNode := range vars.Content {
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if i%2 == 0 {
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currentNode = varNode.Value
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keyNode = varNode
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continue
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}
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variable := ServerVariable{}
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_ = low.BuildModel(varNode, &variable)
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variablesMap[low.KeyReference[string]{
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Value: currentNode,
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KeyNode: keyNode,
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}] = low.ValueReference[*ServerVariable]{
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ValueNode: varNode,
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Value: &variable,
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}
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}
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s.Variables = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*ServerVariable]]{
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KeyNode: kn,
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ValueNode: vars,
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Value: variablesMap,
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}
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}
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return nil
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}
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// Hash will return a consistent SHA256 Hash of the Server object
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func (s *Server) Hash() [32]byte {
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var f []string
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for k := range s.Variables.Value {
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f = append(f, low.GenerateHashString(s.Variables.Value[k].Value))
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}
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if !s.URL.IsEmpty() {
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f = append(f, s.URL.Value)
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}
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if !s.Description.IsEmpty() {
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f = append(f, s.Description.Value)
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}
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return sha256.Sum256([]byte(strings.Join(f, "|")))
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}
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