forked from google/gnostic
/
aip-linterv3.go
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/
aip-linterv3.go
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// Copyright 2020 Google LLC. All Rights Reserved.
//
// 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 linter
import (
"fmt"
"os"
rules "github.com/google/gnostic/metrics/rules"
openapi_v3 "github.com/google/gnostic/openapiv3"
)
// processParametersV2 loops over the parameters of component and creates a
// Field struct slice which will be used for the linter.
func processParametersV3(components *openapi_v3.Components, path []string) []rules.Field {
parameters := make([]rules.Field, 0)
if components.Parameters != nil {
for _, pair := range components.Parameters.AdditionalProperties {
switch t := pair.Value.Oneof.(type) {
case *openapi_v3.ParameterOrReference_Parameter:
parameters = append(parameters, rules.Field{Name: t.Parameter.Name, Path: append(path, pair.Name, "name")})
}
}
}
return parameters
}
// processParametersV2 loops over the parameters of an operation and creates a
// Field struct slice which will be used for the linter.
func processOperationV3(operation *openapi_v3.Operation, path []string) []rules.Field {
parameters := make([]rules.Field, 0)
for _, item := range operation.Parameters {
fmt.Fprintf(os.Stderr, "%+v\n", item)
switch t := item.Oneof.(type) {
case *openapi_v3.ParameterOrReference_Parameter:
parameters = append(parameters, rules.Field{Name: t.Parameter.Name, Path: path})
}
}
return parameters
}
// gatherParametersV2 takes a Document struct as a parameter and calls the
// processParamater function on components and each HTTP request in order
// to gather the parameters.
func gatherParameters(document *openapi_v3.Document) []rules.Field {
p := make([]rules.Field, 0)
if document.Components != nil {
path := []string{"components", "parameters"}
p = append(p, processParametersV3(document.Components, path)...)
}
if document.Paths != nil {
for _, pair := range document.Paths.Path {
fmt.Fprintf(os.Stderr, "%+v\n", pair)
v := pair.Value
path := []string{"paths", pair.Name}
if v.Get != nil {
p = append(p, processOperationV3(v.Get, append(path, "get", "parameters", "name"))...)
}
if v.Post != nil {
p = append(p, processOperationV3(v.Post, append(path, "post", "parameters", "name"))...)
}
if v.Put != nil {
p = append(p, processOperationV3(v.Put, append(path, "put", "parameters", "name"))...)
}
if v.Patch != nil {
p = append(p, processOperationV3(v.Patch, append(path, "patch", "parameters", "name"))...)
}
if v.Delete != nil {
p = append(p, processOperationV3(v.Delete, append(path, "delete", "parameters", "name"))...)
}
}
}
return p
}
//AIPLintV3 accepts an OpenAPI v2 document and will call the individual AIP rules
//on the document.
func AIPLintV3(document *openapi_v3.Document) (*Linter, int) {
fields := gatherParameters(document)
messages := make([]rules.MessageType, 0)
for _, field := range fields {
messages = append(messages, rules.AIP122Driver(field)...)
messages = append(messages, rules.AIP140Driver(field)...)
}
m := fillProtoStructure(messages)
linterResult := &Linter{
Messages: m,
}
return linterResult, len(messages)
}