diff options
author | Daniel J Walsh <dwalsh@redhat.com> | 2017-12-18 13:53:42 -0500 |
---|---|---|
committer | Atomic Bot <atomic-devel@projectatomic.io> | 2017-12-18 21:19:30 +0000 |
commit | 34572abc707f2684cfcbfb64222497aeb842d662 (patch) | |
tree | 53d6190c5cb9d9142bdd18627fda2437c5ae7f14 /vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go | |
parent | 5770dc2640c216525ab84031e3712fcc46b3b087 (diff) | |
download | podman-34572abc707f2684cfcbfb64222497aeb842d662.tar.gz podman-34572abc707f2684cfcbfb64222497aeb842d662.tar.bz2 podman-34572abc707f2684cfcbfb64222497aeb842d662.zip |
Vendor in latest storage, image and runtime-tools
Need to pull in the latest containers/storage and containers/image to fix lots of
issues. Also want to update runtime-tools to take advantage of newer generate
code.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #152
Approved by: rhatdan
Diffstat (limited to 'vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go')
-rw-r--r-- | vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go b/vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go new file mode 100644 index 000000000..a77a81e40 --- /dev/null +++ b/vendor/github.com/xeipuuv/gojsonschema/jsonLoader.go @@ -0,0 +1,341 @@ +// Copyright 2015 xeipuuv ( https://github.com/xeipuuv ) +// +// 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. + +// author xeipuuv +// author-github https://github.com/xeipuuv +// author-mail xeipuuv@gmail.com +// +// repository-name gojsonschema +// repository-desc An implementation of JSON Schema, based on IETF's draft v4 - Go language. +// +// description Different strategies to load JSON files. +// Includes References (file and HTTP), JSON strings and Go types. +// +// created 01-02-2015 + +package gojsonschema + +import ( + "bytes" + "encoding/json" + "errors" + "io" + "io/ioutil" + "net/http" + "os" + "path/filepath" + "runtime" + "strings" + + + "github.com/xeipuuv/gojsonreference" +) + +var osFS = osFileSystem(os.Open) + +// JSON loader interface + +type JSONLoader interface { + JsonSource() interface{} + LoadJSON() (interface{}, error) + JsonReference() (gojsonreference.JsonReference, error) + LoaderFactory() JSONLoaderFactory +} + +type JSONLoaderFactory interface { + New(source string) JSONLoader +} + +type DefaultJSONLoaderFactory struct { +} + +type FileSystemJSONLoaderFactory struct { + fs http.FileSystem +} + +func (d DefaultJSONLoaderFactory) New(source string) JSONLoader { + return &jsonReferenceLoader{ + fs: osFS, + source: source, + } +} + +func (f FileSystemJSONLoaderFactory) New(source string) JSONLoader { + return &jsonReferenceLoader{ + fs: f.fs, + source: source, + } +} + +// osFileSystem is a functional wrapper for os.Open that implements http.FileSystem. +type osFileSystem func(string) (*os.File, error) + +func (o osFileSystem) Open(name string) (http.File, error) { + return o(name) +} + +// JSON Reference loader +// references are used to load JSONs from files and HTTP + +type jsonReferenceLoader struct { + fs http.FileSystem + source string +} + +func (l *jsonReferenceLoader) JsonSource() interface{} { + return l.source +} + +func (l *jsonReferenceLoader) JsonReference() (gojsonreference.JsonReference, error) { + return gojsonreference.NewJsonReference(l.JsonSource().(string)) +} + +func (l *jsonReferenceLoader) LoaderFactory() JSONLoaderFactory { + return &FileSystemJSONLoaderFactory{ + fs: l.fs, + } +} + +// NewReferenceLoader returns a JSON reference loader using the given source and the local OS file system. +func NewReferenceLoader(source string) *jsonReferenceLoader { + return &jsonReferenceLoader{ + fs: osFS, + source: source, + } +} + +// NewReferenceLoaderFileSystem returns a JSON reference loader using the given source and file system. +func NewReferenceLoaderFileSystem(source string, fs http.FileSystem) *jsonReferenceLoader { + return &jsonReferenceLoader{ + fs: fs, + source: source, + } +} + +func (l *jsonReferenceLoader) LoadJSON() (interface{}, error) { + + var err error + + reference, err := gojsonreference.NewJsonReference(l.JsonSource().(string)) + if err != nil { + return nil, err + } + + refToUrl := reference + refToUrl.GetUrl().Fragment = "" + + var document interface{} + + if reference.HasFileScheme { + + filename := strings.Replace(refToUrl.GetUrl().Path, "file://", "", -1) + if runtime.GOOS == "windows" { + // on Windows, a file URL may have an extra leading slash, use slashes + // instead of backslashes, and have spaces escaped + if strings.HasPrefix(filename, "/") { + filename = filename[1:] + } + filename = filepath.FromSlash(filename) + } + + document, err = l.loadFromFile(filename) + if err != nil { + return nil, err + } + + } else { + + document, err = l.loadFromHTTP(refToUrl.String()) + if err != nil { + return nil, err + } + + } + + return document, nil + +} + +func (l *jsonReferenceLoader) loadFromHTTP(address string) (interface{}, error) { + + resp, err := http.Get(address) + if err != nil { + return nil, err + } + + // must return HTTP Status 200 OK + if resp.StatusCode != http.StatusOK { + return nil, errors.New(formatErrorDescription(Locale.HttpBadStatus(), ErrorDetails{"status": resp.Status})) + } + + bodyBuff, err := ioutil.ReadAll(resp.Body) + if err != nil { + return nil, err + } + + return decodeJsonUsingNumber(bytes.NewReader(bodyBuff)) + +} + +func (l *jsonReferenceLoader) loadFromFile(path string) (interface{}, error) { + f, err := l.fs.Open(path) + if err != nil { + return nil, err + } + defer f.Close() + + bodyBuff, err := ioutil.ReadAll(f) + if err != nil { + return nil, err + } + + return decodeJsonUsingNumber(bytes.NewReader(bodyBuff)) + +} + +// JSON string loader + +type jsonStringLoader struct { + source string +} + +func (l *jsonStringLoader) JsonSource() interface{} { + return l.source +} + +func (l *jsonStringLoader) JsonReference() (gojsonreference.JsonReference, error) { + return gojsonreference.NewJsonReference("#") +} + +func (l *jsonStringLoader) LoaderFactory() JSONLoaderFactory { + return &DefaultJSONLoaderFactory{} +} + +func NewStringLoader(source string) *jsonStringLoader { + return &jsonStringLoader{source: source} +} + +func (l *jsonStringLoader) LoadJSON() (interface{}, error) { + + return decodeJsonUsingNumber(strings.NewReader(l.JsonSource().(string))) + +} + +// JSON bytes loader + +type jsonBytesLoader struct { + source []byte +} + +func (l *jsonBytesLoader) JsonSource() interface{} { + return l.source +} + +func (l *jsonBytesLoader) JsonReference() (gojsonreference.JsonReference, error) { + return gojsonreference.NewJsonReference("#") +} + +func (l *jsonBytesLoader) LoaderFactory() JSONLoaderFactory { + return &DefaultJSONLoaderFactory{} +} + +func NewBytesLoader(source []byte) *jsonBytesLoader { + return &jsonBytesLoader{source: source} +} + +func (l *jsonBytesLoader) LoadJSON() (interface{}, error) { + return decodeJsonUsingNumber(bytes.NewReader(l.JsonSource().([]byte))) +} + +// JSON Go (types) loader +// used to load JSONs from the code as maps, interface{}, structs ... + +type jsonGoLoader struct { + source interface{} +} + +func (l *jsonGoLoader) JsonSource() interface{} { + return l.source +} + +func (l *jsonGoLoader) JsonReference() (gojsonreference.JsonReference, error) { + return gojsonreference.NewJsonReference("#") +} + +func (l *jsonGoLoader) LoaderFactory() JSONLoaderFactory { + return &DefaultJSONLoaderFactory{} +} + +func NewGoLoader(source interface{}) *jsonGoLoader { + return &jsonGoLoader{source: source} +} + +func (l *jsonGoLoader) LoadJSON() (interface{}, error) { + + // convert it to a compliant JSON first to avoid types "mismatches" + + jsonBytes, err := json.Marshal(l.JsonSource()) + if err != nil { + return nil, err + } + + return decodeJsonUsingNumber(bytes.NewReader(jsonBytes)) + +} + +type jsonIOLoader struct { + buf *bytes.Buffer +} + +func NewReaderLoader(source io.Reader) (*jsonIOLoader, io.Reader) { + buf := &bytes.Buffer{} + return &jsonIOLoader{buf: buf}, io.TeeReader(source, buf) +} + +func NewWriterLoader(source io.Writer) (*jsonIOLoader, io.Writer) { + buf := &bytes.Buffer{} + return &jsonIOLoader{buf: buf}, io.MultiWriter(source, buf) +} + +func (l *jsonIOLoader) JsonSource() interface{} { + return l.buf.String() +} + +func (l *jsonIOLoader) LoadJSON() (interface{}, error) { + return decodeJsonUsingNumber(l.buf) +} + +func (l *jsonIOLoader) JsonReference() (gojsonreference.JsonReference, error) { + return gojsonreference.NewJsonReference("#") +} + +func (l *jsonIOLoader) LoaderFactory() JSONLoaderFactory { + return &DefaultJSONLoaderFactory{} +} + +func decodeJsonUsingNumber(r io.Reader) (interface{}, error) { + + var document interface{} + + decoder := json.NewDecoder(r) + decoder.UseNumber() + + err := decoder.Decode(&document) + if err != nil { + return nil, err + } + + return document, nil + +} |