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author | Valentin Rothberg <rothberg@redhat.com> | 2019-01-08 14:52:57 +0100 |
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committer | Valentin Rothberg <rothberg@redhat.com> | 2019-01-11 13:38:11 +0100 |
commit | bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 (patch) | |
tree | 5f06e4e289f16d9164d692590a3fe6541b5384cf /vendor/github.com/xeipuuv/gojsonschema/schemaPool.go | |
parent | 545f24421247c9f6251a634764db3f8f8070a812 (diff) | |
download | podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.tar.gz podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.tar.bz2 podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.zip |
vendor: update everything
* If possible, update each dependency to the latest available version.
* Use releases over commit IDs and avoid vendoring branches.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/github.com/xeipuuv/gojsonschema/schemaPool.go')
-rw-r--r-- | vendor/github.com/xeipuuv/gojsonschema/schemaPool.go | 168 |
1 files changed, 137 insertions, 31 deletions
diff --git a/vendor/github.com/xeipuuv/gojsonschema/schemaPool.go b/vendor/github.com/xeipuuv/gojsonschema/schemaPool.go index f2ad641af..f124e038d 100644 --- a/vendor/github.com/xeipuuv/gojsonschema/schemaPool.go +++ b/vendor/github.com/xeipuuv/gojsonschema/schemaPool.go @@ -28,82 +28,188 @@ package gojsonschema import ( "errors" + "fmt" + "reflect" "github.com/xeipuuv/gojsonreference" ) type schemaPoolDocument struct { Document interface{} + Draft *Draft } type schemaPool struct { schemaPoolDocuments map[string]*schemaPoolDocument - standaloneDocument interface{} jsonLoaderFactory JSONLoaderFactory + autoDetect *bool } -func newSchemaPool(f JSONLoaderFactory) *schemaPool { +func (p *schemaPool) parseReferences(document interface{}, ref gojsonreference.JsonReference, pooled bool) error { - p := &schemaPool{} - p.schemaPoolDocuments = make(map[string]*schemaPoolDocument) - p.standaloneDocument = nil - p.jsonLoaderFactory = f + var ( + draft *Draft + err error + reference = ref.String() + ) + // Only the root document should be added to the schema pool if pooled is true + if _, ok := p.schemaPoolDocuments[reference]; pooled && ok { + return fmt.Errorf("Reference already exists: \"%s\"", reference) + } - return p -} + if *p.autoDetect { + _, draft, err = parseSchemaURL(document) + if err != nil { + return err + } + } + + err = p.parseReferencesRecursive(document, ref, draft) -func (p *schemaPool) SetStandaloneDocument(document interface{}) { - p.standaloneDocument = document + if pooled { + p.schemaPoolDocuments[reference] = &schemaPoolDocument{Document: document, Draft: draft} + } + + return err } -func (p *schemaPool) GetStandaloneDocument() (document interface{}) { - return p.standaloneDocument +func (p *schemaPool) parseReferencesRecursive(document interface{}, ref gojsonreference.JsonReference, draft *Draft) error { + // parseReferencesRecursive parses a JSON document and resolves all $id and $ref references. + // For $ref references it takes into account the $id scope it is in and replaces + // the reference by the absolute resolved reference + + // When encountering errors it fails silently. Error handling is done when the schema + // is syntactically parsed and any error encountered here should also come up there. + switch m := document.(type) { + case []interface{}: + for _, v := range m { + p.parseReferencesRecursive(v, ref, draft) + } + case map[string]interface{}: + localRef := &ref + + keyID := KEY_ID_NEW + if existsMapKey(m, KEY_ID) { + keyID = KEY_ID + } + if existsMapKey(m, keyID) && isKind(m[keyID], reflect.String) { + jsonReference, err := gojsonreference.NewJsonReference(m[keyID].(string)) + if err == nil { + localRef, err = ref.Inherits(jsonReference) + if err == nil { + if _, ok := p.schemaPoolDocuments[localRef.String()]; ok { + return fmt.Errorf("Reference already exists: \"%s\"", localRef.String()) + } + p.schemaPoolDocuments[localRef.String()] = &schemaPoolDocument{Document: document, Draft: draft} + } + } + } + + if existsMapKey(m, KEY_REF) && isKind(m[KEY_REF], reflect.String) { + jsonReference, err := gojsonreference.NewJsonReference(m[KEY_REF].(string)) + if err == nil { + absoluteRef, err := localRef.Inherits(jsonReference) + if err == nil { + m[KEY_REF] = absoluteRef.String() + } + } + } + + for k, v := range m { + // const and enums should be interpreted literally, so ignore them + if k == KEY_CONST || k == KEY_ENUM { + continue + } + // Something like a property or a dependency is not a valid schema, as it might describe properties named "$ref", "$id" or "const", etc + // Therefore don't treat it like a schema. + if k == KEY_PROPERTIES || k == KEY_DEPENDENCIES || k == KEY_PATTERN_PROPERTIES { + if child, ok := v.(map[string]interface{}); ok { + for _, v := range child { + p.parseReferencesRecursive(v, *localRef, draft) + } + } + } else { + p.parseReferencesRecursive(v, *localRef, draft) + } + } + } + return nil } func (p *schemaPool) GetDocument(reference gojsonreference.JsonReference) (*schemaPoolDocument, error) { + var ( + spd *schemaPoolDocument + draft *Draft + ok bool + err error + ) + if internalLogEnabled { internalLog("Get Document ( %s )", reference.String()) } - var err error + // Create a deep copy, so we can remove the fragment part later on without altering the original + refToUrl, _ := gojsonreference.NewJsonReference(reference.String()) - // It is not possible to load anything that is not canonical... - if !reference.IsCanonical() { - return nil, errors.New(formatErrorDescription( - Locale.ReferenceMustBeCanonical(), - ErrorDetails{"reference": reference}, - )) + // First check if the given fragment is a location independent identifier + // http://json-schema.org/latest/json-schema-core.html#rfc.section.8.2.3 + + if spd, ok = p.schemaPoolDocuments[refToUrl.String()]; ok { + if internalLogEnabled { + internalLog(" From pool") + } + return spd, nil } - refToUrl := reference + // If the given reference is not a location independent identifier, + // strip the fragment and look for a document with it's base URI + refToUrl.GetUrl().Fragment = "" - var spd *schemaPoolDocument + if cachedSpd, ok := p.schemaPoolDocuments[refToUrl.String()]; ok { + document, _, err := reference.GetPointer().Get(cachedSpd.Document) - // Try to find the requested document in the pool - for k := range p.schemaPoolDocuments { - if k == refToUrl.String() { - spd = p.schemaPoolDocuments[k] + if err != nil { + return nil, err } - } - if spd != nil { if internalLogEnabled { internalLog(" From pool") } + + spd = &schemaPoolDocument{Document: document, Draft: cachedSpd.Draft} + p.schemaPoolDocuments[reference.String()] = spd + return spd, nil } + // It is not possible to load anything remotely that is not canonical... + if !reference.IsCanonical() { + return nil, errors.New(formatErrorDescription( + Locale.ReferenceMustBeCanonical(), + ErrorDetails{"reference": reference.String()}, + )) + } + jsonReferenceLoader := p.jsonLoaderFactory.New(reference.String()) document, err := jsonReferenceLoader.LoadJSON() + if err != nil { return nil, err } - spd = &schemaPoolDocument{Document: document} - // add the document to the pool for potential later use - p.schemaPoolDocuments[refToUrl.String()] = spd + // add the whole document to the pool for potential re-use + p.parseReferences(document, refToUrl, true) + + _, draft, _ = parseSchemaURL(document) + + // resolve the potential fragment and also cache it + document, _, err = reference.GetPointer().Get(document) + + if err != nil { + return nil, err + } - return spd, nil + return &schemaPoolDocument{Document: document, Draft: draft}, nil } |