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Use github.com/santhosh-tekuri/jsonschema for JSON schema validation.

This commit is contained in:
Sascha L. Teichmann 2021-12-04 17:14:33 +01:00
parent a96597206e
commit 3420ceb415
3 changed files with 53 additions and 50 deletions

View file

@ -1,20 +1,17 @@
package csaf
import (
"context"
"bytes"
_ "embed"
"encoding/json"
"log"
"net/url"
"sort"
"strings"
"sync"
"github.com/qri-io/jsonschema"
"github.com/santhosh-tekuri/jsonschema/v5"
)
//go:embed schema/csaf_json_schema.json
var schema []byte
var csafSchema []byte
//go:embed schema/cvss-v2.0.json
var cvss20 []byte
@ -25,53 +22,62 @@ var cvss30 []byte
//go:embed schema/cvss-v3.1.json
var cvss31 []byte
func embedLoader(ctx context.Context, uri *url.URL, schema *jsonschema.Schema) error {
var (
compileSchemaOnce sync.Once
compileError error
compiledSchema *jsonschema.Schema
)
var data []byte
switch u := uri.String(); u {
case "https://www.first.org/cvss/cvss-v2.0.json":
data = cvss20
case "https://www.first.org/cvss/cvss-v3.0.json":
data = cvss30
case "https://www.first.org/cvss/cvss-v3.1.json":
data = cvss31
default:
log.Printf("escaped schema loader: %s\n", u)
return jsonschema.HTTPSchemaLoader(ctx, uri, schema)
func compileSchema() {
c := jsonschema.NewCompiler()
for _, s := range []struct {
url string
data []byte
}{
{"https://docs.oasis-open.org/csaf/csaf/v2.0/csaf_json_schema.json", csafSchema},
{"https://www.first.org/cvss/cvss-v2.0.json", cvss20},
{"https://www.first.org/cvss/cvss-v3.0.json", cvss30},
{"https://www.first.org/cvss/cvss-v3.1.json", cvss31},
} {
if compileError = c.AddResource(s.url, bytes.NewReader(s.data)); compileError != nil {
return
}
}
if schema == nil {
schema = &jsonschema.Schema{}
}
return json.Unmarshal(data, schema)
}
var registerEmbedLoaderOnce sync.Once
func registerEmbedLoader() {
// Hook into schema loading.
slr := jsonschema.GetSchemaLoaderRegistry()
slr.Register("https", embedLoader)
compiledSchema, compileError = c.Compile(
"https://docs.oasis-open.org/csaf/csaf/v2.0/csaf_json_schema.json")
}
// ValidateCSAF validates the document data against the JSON schema
// of CSAF.
func ValidateCSAF(doc interface{}) ([]string, error) {
registerEmbedLoaderOnce.Do(registerEmbedLoader)
compileSchemaOnce.Do(compileSchema)
if compileError != nil {
return nil, compileError
}
ctx := context.Background()
err := compiledSchema.Validate(doc)
if err == nil {
return nil, nil
}
rs := &jsonschema.Schema{}
if err := json.Unmarshal(schema, rs); err != nil {
valErr, ok := err.(*jsonschema.ValidationError)
if !ok {
return nil, err
}
vs := rs.Validate(ctx, doc)
errs := *vs.Errs
basic := valErr.BasicOutput()
if basic.Valid {
return nil, nil
}
errs := basic.Errors
sort.Slice(errs, func(i, j int) bool {
pi := errs[i].PropertyPath
pj := errs[j].PropertyPath
pi := errs[i].InstanceLocation
pj := errs[j].InstanceLocation
if strings.HasPrefix(pj, pi) {
return true
}
@ -81,12 +87,15 @@ func ValidateCSAF(doc interface{}) ([]string, error) {
if pi != pj {
return pi < pj
}
return errs[i].Message < errs[j].Message
return errs[i].Error < errs[j].Error
})
res := make([]string, len(errs))
for i, e := range errs {
res[i] = e.PropertyPath + ": " + e.Message
res := make([]string, 0, len(errs))
for i := range errs {
if e := &errs[i]; e.InstanceLocation != "" && e.Error != "" {
res = append(res, e.InstanceLocation+": "+e.Error)
}
}
return res, nil

3
go.mod
View file

@ -7,7 +7,7 @@ require (
github.com/PaesslerAG/gval v1.1.2
github.com/PaesslerAG/jsonpath v0.1.1
github.com/ProtonMail/gopenpgp/v2 v2.3.0
github.com/qri-io/jsonschema v0.2.2-0.20210831022256-780655b2ba0e
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0
)
require (
@ -15,7 +15,6 @@ require (
github.com/ProtonMail/go-mime v0.0.0-20190923161245-9b5a4261663a // indirect
github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/qri-io/jsonpointer v0.1.1 // indirect
github.com/sirupsen/logrus v1.4.2 // indirect
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 // indirect

9
go.sum
View file

@ -22,18 +22,13 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/qri-io/jsonpointer v0.1.1 h1:prVZBZLL6TW5vsSB9fFHFAMBLI4b0ri5vribQlTJiBA=
github.com/qri-io/jsonpointer v0.1.1/go.mod h1:DnJPaYgiKu56EuDp8TU5wFLdZIcAnb/uH9v37ZaMV64=
github.com/qri-io/jsonschema v0.2.2-0.20210831022256-780655b2ba0e h1:gqHzseevuZPr3oOLES1nrPO3exQfeTKUiPcJub5axVs=
github.com/qri-io/jsonschema v0.2.2-0.20210831022256-780655b2ba0e/go.mod h1:g7DPkiOsK1xv6T/Ao5scXRkd+yTFygcANPBaaqW+VrI=
github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0 h1:TToq11gyfNlrMFZiYujSekIsPd9AmsA2Bj/iv+s4JHE=
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0/go.mod h1:FKdcjfQW6rpZSnxxUvEA5H/cDPdvJ/SZJQLWWXWGrZ0=
github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=