This update provides:
1) workaround around the build failures. In
summary, it forces the download of some packages during the build
process.
2) update the set of packages that should go inside the vendor
directory
3) Update the dockerfile to use go 1.10
Change-Id: I2bfd090ce0f25b0c10aa214755ae2da7e5384d60
diff --git a/vendor/github.com/golang/groupcache/LICENSE b/vendor/github.com/golang/groupcache/LICENSE
new file mode 100644
index 0000000..37ec93a
--- /dev/null
+++ b/vendor/github.com/golang/groupcache/LICENSE
@@ -0,0 +1,191 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, "control" means (i) the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+"Object" form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
+annotations, elaborations, or other modifications represent, as a whole, an
+original work of authorship. For the purposes of this License, Derivative Works
+shall not include works that remain separable from, or merely link (or bind by
+name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
+thereof, that is intentionally submitted to Licensor for inclusion in the Work
+by the copyright owner or by an individual or Legal Entity authorized to submit
+on behalf of the copyright owner. For the purposes of this definition,
+"submitted" means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems, and
+issue tracking systems that are managed by, or on behalf of, the Licensor for
+the purpose of discussing and improving the Work, but excluding communication
+that is conspicuously marked or otherwise designated in writing by the copyright
+owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
+incorporated within the Work.
+
+2. Grant of Copyright License.
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable copyright license to reproduce, prepare Derivative Works of,
+publicly display, publicly perform, sublicense, and distribute the Work and such
+Derivative Works in Source or Object form.
+
+3. Grant of Patent License.
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable (except as stated in this section) patent license to make, have
+made, use, offer to sell, sell, import, and otherwise transfer the Work, where
+such license applies only to those patent claims licensable by such Contributor
+that are necessarily infringed by their Contribution(s) alone or by combination
+of their Contribution(s) with the Work to which such Contribution(s) was
+submitted. If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work or a
+Contribution incorporated within the Work constitutes direct or contributory
+patent infringement, then any patent licenses granted to You under this License
+for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution.
+
+You may reproduce and distribute copies of the Work or Derivative Works thereof
+in any medium, with or without modifications, and in Source or Object form,
+provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of
+this License; and
+You must cause any modified files to carry prominent notices stating that You
+changed the files; and
+You must retain, in the Source form of any Derivative Works that You distribute,
+all copyright, patent, trademark, and attribution notices from the Source form
+of the Work, excluding those notices that do not pertain to any part of the
+Derivative Works; and
+If the Work includes a "NOTICE" text file as part of its distribution, then any
+Derivative Works that You distribute must include a readable copy of the
+attribution notices contained within such NOTICE file, excluding those notices
+that do not pertain to any part of the Derivative Works, in at least one of the
+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
+with the Derivative Works; or, within a display generated by the Derivative
+Works, if and wherever such third-party notices normally appear. The contents of
+the NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works that
+You distribute, alongside or as an addendum to the NOTICE text from the Work,
+provided that such additional attribution notices cannot be construed as
+modifying the License.
+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
+
+APPENDIX: How to apply the Apache License to your work
+
+To apply the Apache License to your work, attach the following boilerplate
+notice, with the fields enclosed by brackets "[]" replaced with your own
+identifying information. (Don't include the brackets!) The text should be
+enclosed in the appropriate comment syntax for the file format. We also
+recommend that a file or class name and description of purpose be included on
+the same "printed page" as the copyright notice for easier identification within
+third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ 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.
diff --git a/vendor/github.com/golang/groupcache/lru/lru.go b/vendor/github.com/golang/groupcache/lru/lru.go
new file mode 100644
index 0000000..532cc45
--- /dev/null
+++ b/vendor/github.com/golang/groupcache/lru/lru.go
@@ -0,0 +1,133 @@
+/*
+Copyright 2013 Google Inc.
+
+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 lru implements an LRU cache.
+package lru
+
+import "container/list"
+
+// Cache is an LRU cache. It is not safe for concurrent access.
+type Cache struct {
+ // MaxEntries is the maximum number of cache entries before
+ // an item is evicted. Zero means no limit.
+ MaxEntries int
+
+ // OnEvicted optionally specificies a callback function to be
+ // executed when an entry is purged from the cache.
+ OnEvicted func(key Key, value interface{})
+
+ ll *list.List
+ cache map[interface{}]*list.Element
+}
+
+// A Key may be any value that is comparable. See http://golang.org/ref/spec#Comparison_operators
+type Key interface{}
+
+type entry struct {
+ key Key
+ value interface{}
+}
+
+// New creates a new Cache.
+// If maxEntries is zero, the cache has no limit and it's assumed
+// that eviction is done by the caller.
+func New(maxEntries int) *Cache {
+ return &Cache{
+ MaxEntries: maxEntries,
+ ll: list.New(),
+ cache: make(map[interface{}]*list.Element),
+ }
+}
+
+// Add adds a value to the cache.
+func (c *Cache) Add(key Key, value interface{}) {
+ if c.cache == nil {
+ c.cache = make(map[interface{}]*list.Element)
+ c.ll = list.New()
+ }
+ if ee, ok := c.cache[key]; ok {
+ c.ll.MoveToFront(ee)
+ ee.Value.(*entry).value = value
+ return
+ }
+ ele := c.ll.PushFront(&entry{key, value})
+ c.cache[key] = ele
+ if c.MaxEntries != 0 && c.ll.Len() > c.MaxEntries {
+ c.RemoveOldest()
+ }
+}
+
+// Get looks up a key's value from the cache.
+func (c *Cache) Get(key Key) (value interface{}, ok bool) {
+ if c.cache == nil {
+ return
+ }
+ if ele, hit := c.cache[key]; hit {
+ c.ll.MoveToFront(ele)
+ return ele.Value.(*entry).value, true
+ }
+ return
+}
+
+// Remove removes the provided key from the cache.
+func (c *Cache) Remove(key Key) {
+ if c.cache == nil {
+ return
+ }
+ if ele, hit := c.cache[key]; hit {
+ c.removeElement(ele)
+ }
+}
+
+// RemoveOldest removes the oldest item from the cache.
+func (c *Cache) RemoveOldest() {
+ if c.cache == nil {
+ return
+ }
+ ele := c.ll.Back()
+ if ele != nil {
+ c.removeElement(ele)
+ }
+}
+
+func (c *Cache) removeElement(e *list.Element) {
+ c.ll.Remove(e)
+ kv := e.Value.(*entry)
+ delete(c.cache, kv.key)
+ if c.OnEvicted != nil {
+ c.OnEvicted(kv.key, kv.value)
+ }
+}
+
+// Len returns the number of items in the cache.
+func (c *Cache) Len() int {
+ if c.cache == nil {
+ return 0
+ }
+ return c.ll.Len()
+}
+
+// Clear purges all stored items from the cache.
+func (c *Cache) Clear() {
+ if c.OnEvicted != nil {
+ for _, e := range c.cache {
+ kv := e.Value.(*entry)
+ c.OnEvicted(kv.key, kv.value)
+ }
+ }
+ c.ll = nil
+ c.cache = nil
+}
diff --git a/vendor/github.com/golang/protobuf/jsonpb/jsonpb.go b/vendor/github.com/golang/protobuf/jsonpb/jsonpb.go
new file mode 100644
index 0000000..ada2b78
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/jsonpb/jsonpb.go
@@ -0,0 +1,1271 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2015 The Go Authors. All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/*
+Package jsonpb provides marshaling and unmarshaling between protocol buffers and JSON.
+It follows the specification at https://developers.google.com/protocol-buffers/docs/proto3#json.
+
+This package produces a different output than the standard "encoding/json" package,
+which does not operate correctly on protocol buffers.
+*/
+package jsonpb
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+ "math"
+ "reflect"
+ "sort"
+ "strconv"
+ "strings"
+ "time"
+
+ "github.com/golang/protobuf/proto"
+
+ stpb "github.com/golang/protobuf/ptypes/struct"
+)
+
+const secondInNanos = int64(time.Second / time.Nanosecond)
+
+// Marshaler is a configurable object for converting between
+// protocol buffer objects and a JSON representation for them.
+type Marshaler struct {
+ // Whether to render enum values as integers, as opposed to string values.
+ EnumsAsInts bool
+
+ // Whether to render fields with zero values.
+ EmitDefaults bool
+
+ // A string to indent each level by. The presence of this field will
+ // also cause a space to appear between the field separator and
+ // value, and for newlines to be appear between fields and array
+ // elements.
+ Indent string
+
+ // Whether to use the original (.proto) name for fields.
+ OrigName bool
+
+ // A custom URL resolver to use when marshaling Any messages to JSON.
+ // If unset, the default resolution strategy is to extract the
+ // fully-qualified type name from the type URL and pass that to
+ // proto.MessageType(string).
+ AnyResolver AnyResolver
+}
+
+// AnyResolver takes a type URL, present in an Any message, and resolves it into
+// an instance of the associated message.
+type AnyResolver interface {
+ Resolve(typeUrl string) (proto.Message, error)
+}
+
+func defaultResolveAny(typeUrl string) (proto.Message, error) {
+ // Only the part of typeUrl after the last slash is relevant.
+ mname := typeUrl
+ if slash := strings.LastIndex(mname, "/"); slash >= 0 {
+ mname = mname[slash+1:]
+ }
+ mt := proto.MessageType(mname)
+ if mt == nil {
+ return nil, fmt.Errorf("unknown message type %q", mname)
+ }
+ return reflect.New(mt.Elem()).Interface().(proto.Message), nil
+}
+
+// JSONPBMarshaler is implemented by protobuf messages that customize the
+// way they are marshaled to JSON. Messages that implement this should
+// also implement JSONPBUnmarshaler so that the custom format can be
+// parsed.
+//
+// The JSON marshaling must follow the proto to JSON specification:
+// https://developers.google.com/protocol-buffers/docs/proto3#json
+type JSONPBMarshaler interface {
+ MarshalJSONPB(*Marshaler) ([]byte, error)
+}
+
+// JSONPBUnmarshaler is implemented by protobuf messages that customize
+// the way they are unmarshaled from JSON. Messages that implement this
+// should also implement JSONPBMarshaler so that the custom format can be
+// produced.
+//
+// The JSON unmarshaling must follow the JSON to proto specification:
+// https://developers.google.com/protocol-buffers/docs/proto3#json
+type JSONPBUnmarshaler interface {
+ UnmarshalJSONPB(*Unmarshaler, []byte) error
+}
+
+// Marshal marshals a protocol buffer into JSON.
+func (m *Marshaler) Marshal(out io.Writer, pb proto.Message) error {
+ v := reflect.ValueOf(pb)
+ if pb == nil || (v.Kind() == reflect.Ptr && v.IsNil()) {
+ return errors.New("Marshal called with nil")
+ }
+ // Check for unset required fields first.
+ if err := checkRequiredFields(pb); err != nil {
+ return err
+ }
+ writer := &errWriter{writer: out}
+ return m.marshalObject(writer, pb, "", "")
+}
+
+// MarshalToString converts a protocol buffer object to JSON string.
+func (m *Marshaler) MarshalToString(pb proto.Message) (string, error) {
+ var buf bytes.Buffer
+ if err := m.Marshal(&buf, pb); err != nil {
+ return "", err
+ }
+ return buf.String(), nil
+}
+
+type int32Slice []int32
+
+var nonFinite = map[string]float64{
+ `"NaN"`: math.NaN(),
+ `"Infinity"`: math.Inf(1),
+ `"-Infinity"`: math.Inf(-1),
+}
+
+// For sorting extensions ids to ensure stable output.
+func (s int32Slice) Len() int { return len(s) }
+func (s int32Slice) Less(i, j int) bool { return s[i] < s[j] }
+func (s int32Slice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+
+type wkt interface {
+ XXX_WellKnownType() string
+}
+
+// marshalObject writes a struct to the Writer.
+func (m *Marshaler) marshalObject(out *errWriter, v proto.Message, indent, typeURL string) error {
+ if jsm, ok := v.(JSONPBMarshaler); ok {
+ b, err := jsm.MarshalJSONPB(m)
+ if err != nil {
+ return err
+ }
+ if typeURL != "" {
+ // we are marshaling this object to an Any type
+ var js map[string]*json.RawMessage
+ if err = json.Unmarshal(b, &js); err != nil {
+ return fmt.Errorf("type %T produced invalid JSON: %v", v, err)
+ }
+ turl, err := json.Marshal(typeURL)
+ if err != nil {
+ return fmt.Errorf("failed to marshal type URL %q to JSON: %v", typeURL, err)
+ }
+ js["@type"] = (*json.RawMessage)(&turl)
+ if b, err = json.Marshal(js); err != nil {
+ return err
+ }
+ }
+
+ out.write(string(b))
+ return out.err
+ }
+
+ s := reflect.ValueOf(v).Elem()
+
+ // Handle well-known types.
+ if wkt, ok := v.(wkt); ok {
+ switch wkt.XXX_WellKnownType() {
+ case "DoubleValue", "FloatValue", "Int64Value", "UInt64Value",
+ "Int32Value", "UInt32Value", "BoolValue", "StringValue", "BytesValue":
+ // "Wrappers use the same representation in JSON
+ // as the wrapped primitive type, ..."
+ sprop := proto.GetProperties(s.Type())
+ return m.marshalValue(out, sprop.Prop[0], s.Field(0), indent)
+ case "Any":
+ // Any is a bit more involved.
+ return m.marshalAny(out, v, indent)
+ case "Duration":
+ // "Generated output always contains 0, 3, 6, or 9 fractional digits,
+ // depending on required precision."
+ s, ns := s.Field(0).Int(), s.Field(1).Int()
+ if ns <= -secondInNanos || ns >= secondInNanos {
+ return fmt.Errorf("ns out of range (%v, %v)", -secondInNanos, secondInNanos)
+ }
+ if (s > 0 && ns < 0) || (s < 0 && ns > 0) {
+ return errors.New("signs of seconds and nanos do not match")
+ }
+ if s < 0 {
+ ns = -ns
+ }
+ x := fmt.Sprintf("%d.%09d", s, ns)
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, ".000")
+ out.write(`"`)
+ out.write(x)
+ out.write(`s"`)
+ return out.err
+ case "Struct", "ListValue":
+ // Let marshalValue handle the `Struct.fields` map or the `ListValue.values` slice.
+ // TODO: pass the correct Properties if needed.
+ return m.marshalValue(out, &proto.Properties{}, s.Field(0), indent)
+ case "Timestamp":
+ // "RFC 3339, where generated output will always be Z-normalized
+ // and uses 0, 3, 6 or 9 fractional digits."
+ s, ns := s.Field(0).Int(), s.Field(1).Int()
+ if ns < 0 || ns >= secondInNanos {
+ return fmt.Errorf("ns out of range [0, %v)", secondInNanos)
+ }
+ t := time.Unix(s, ns).UTC()
+ // time.RFC3339Nano isn't exactly right (we need to get 3/6/9 fractional digits).
+ x := t.Format("2006-01-02T15:04:05.000000000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, ".000")
+ out.write(`"`)
+ out.write(x)
+ out.write(`Z"`)
+ return out.err
+ case "Value":
+ // Value has a single oneof.
+ kind := s.Field(0)
+ if kind.IsNil() {
+ // "absence of any variant indicates an error"
+ return errors.New("nil Value")
+ }
+ // oneof -> *T -> T -> T.F
+ x := kind.Elem().Elem().Field(0)
+ // TODO: pass the correct Properties if needed.
+ return m.marshalValue(out, &proto.Properties{}, x, indent)
+ }
+ }
+
+ out.write("{")
+ if m.Indent != "" {
+ out.write("\n")
+ }
+
+ firstField := true
+
+ if typeURL != "" {
+ if err := m.marshalTypeURL(out, indent, typeURL); err != nil {
+ return err
+ }
+ firstField = false
+ }
+
+ for i := 0; i < s.NumField(); i++ {
+ value := s.Field(i)
+ valueField := s.Type().Field(i)
+ if strings.HasPrefix(valueField.Name, "XXX_") {
+ continue
+ }
+
+ // IsNil will panic on most value kinds.
+ switch value.Kind() {
+ case reflect.Chan, reflect.Func, reflect.Interface:
+ if value.IsNil() {
+ continue
+ }
+ }
+
+ if !m.EmitDefaults {
+ switch value.Kind() {
+ case reflect.Bool:
+ if !value.Bool() {
+ continue
+ }
+ case reflect.Int32, reflect.Int64:
+ if value.Int() == 0 {
+ continue
+ }
+ case reflect.Uint32, reflect.Uint64:
+ if value.Uint() == 0 {
+ continue
+ }
+ case reflect.Float32, reflect.Float64:
+ if value.Float() == 0 {
+ continue
+ }
+ case reflect.String:
+ if value.Len() == 0 {
+ continue
+ }
+ case reflect.Map, reflect.Ptr, reflect.Slice:
+ if value.IsNil() {
+ continue
+ }
+ }
+ }
+
+ // Oneof fields need special handling.
+ if valueField.Tag.Get("protobuf_oneof") != "" {
+ // value is an interface containing &T{real_value}.
+ sv := value.Elem().Elem() // interface -> *T -> T
+ value = sv.Field(0)
+ valueField = sv.Type().Field(0)
+ }
+ prop := jsonProperties(valueField, m.OrigName)
+ if !firstField {
+ m.writeSep(out)
+ }
+ if err := m.marshalField(out, prop, value, indent); err != nil {
+ return err
+ }
+ firstField = false
+ }
+
+ // Handle proto2 extensions.
+ if ep, ok := v.(proto.Message); ok {
+ extensions := proto.RegisteredExtensions(v)
+ // Sort extensions for stable output.
+ ids := make([]int32, 0, len(extensions))
+ for id, desc := range extensions {
+ if !proto.HasExtension(ep, desc) {
+ continue
+ }
+ ids = append(ids, id)
+ }
+ sort.Sort(int32Slice(ids))
+ for _, id := range ids {
+ desc := extensions[id]
+ if desc == nil {
+ // unknown extension
+ continue
+ }
+ ext, extErr := proto.GetExtension(ep, desc)
+ if extErr != nil {
+ return extErr
+ }
+ value := reflect.ValueOf(ext)
+ var prop proto.Properties
+ prop.Parse(desc.Tag)
+ prop.JSONName = fmt.Sprintf("[%s]", desc.Name)
+ if !firstField {
+ m.writeSep(out)
+ }
+ if err := m.marshalField(out, &prop, value, indent); err != nil {
+ return err
+ }
+ firstField = false
+ }
+
+ }
+
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ }
+ out.write("}")
+ return out.err
+}
+
+func (m *Marshaler) writeSep(out *errWriter) {
+ if m.Indent != "" {
+ out.write(",\n")
+ } else {
+ out.write(",")
+ }
+}
+
+func (m *Marshaler) marshalAny(out *errWriter, any proto.Message, indent string) error {
+ // "If the Any contains a value that has a special JSON mapping,
+ // it will be converted as follows: {"@type": xxx, "value": yyy}.
+ // Otherwise, the value will be converted into a JSON object,
+ // and the "@type" field will be inserted to indicate the actual data type."
+ v := reflect.ValueOf(any).Elem()
+ turl := v.Field(0).String()
+ val := v.Field(1).Bytes()
+
+ var msg proto.Message
+ var err error
+ if m.AnyResolver != nil {
+ msg, err = m.AnyResolver.Resolve(turl)
+ } else {
+ msg, err = defaultResolveAny(turl)
+ }
+ if err != nil {
+ return err
+ }
+
+ if err := proto.Unmarshal(val, msg); err != nil {
+ return err
+ }
+
+ if _, ok := msg.(wkt); ok {
+ out.write("{")
+ if m.Indent != "" {
+ out.write("\n")
+ }
+ if err := m.marshalTypeURL(out, indent, turl); err != nil {
+ return err
+ }
+ m.writeSep(out)
+ if m.Indent != "" {
+ out.write(indent)
+ out.write(m.Indent)
+ out.write(`"value": `)
+ } else {
+ out.write(`"value":`)
+ }
+ if err := m.marshalObject(out, msg, indent+m.Indent, ""); err != nil {
+ return err
+ }
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ }
+ out.write("}")
+ return out.err
+ }
+
+ return m.marshalObject(out, msg, indent, turl)
+}
+
+func (m *Marshaler) marshalTypeURL(out *errWriter, indent, typeURL string) error {
+ if m.Indent != "" {
+ out.write(indent)
+ out.write(m.Indent)
+ }
+ out.write(`"@type":`)
+ if m.Indent != "" {
+ out.write(" ")
+ }
+ b, err := json.Marshal(typeURL)
+ if err != nil {
+ return err
+ }
+ out.write(string(b))
+ return out.err
+}
+
+// marshalField writes field description and value to the Writer.
+func (m *Marshaler) marshalField(out *errWriter, prop *proto.Properties, v reflect.Value, indent string) error {
+ if m.Indent != "" {
+ out.write(indent)
+ out.write(m.Indent)
+ }
+ out.write(`"`)
+ out.write(prop.JSONName)
+ out.write(`":`)
+ if m.Indent != "" {
+ out.write(" ")
+ }
+ if err := m.marshalValue(out, prop, v, indent); err != nil {
+ return err
+ }
+ return nil
+}
+
+// marshalValue writes the value to the Writer.
+func (m *Marshaler) marshalValue(out *errWriter, prop *proto.Properties, v reflect.Value, indent string) error {
+ var err error
+ v = reflect.Indirect(v)
+
+ // Handle nil pointer
+ if v.Kind() == reflect.Invalid {
+ out.write("null")
+ return out.err
+ }
+
+ // Handle repeated elements.
+ if v.Kind() == reflect.Slice && v.Type().Elem().Kind() != reflect.Uint8 {
+ out.write("[")
+ comma := ""
+ for i := 0; i < v.Len(); i++ {
+ sliceVal := v.Index(i)
+ out.write(comma)
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ out.write(m.Indent)
+ out.write(m.Indent)
+ }
+ if err := m.marshalValue(out, prop, sliceVal, indent+m.Indent); err != nil {
+ return err
+ }
+ comma = ","
+ }
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ out.write(m.Indent)
+ }
+ out.write("]")
+ return out.err
+ }
+
+ // Handle well-known types.
+ // Most are handled up in marshalObject (because 99% are messages).
+ if wkt, ok := v.Interface().(wkt); ok {
+ switch wkt.XXX_WellKnownType() {
+ case "NullValue":
+ out.write("null")
+ return out.err
+ }
+ }
+
+ // Handle enumerations.
+ if !m.EnumsAsInts && prop.Enum != "" {
+ // Unknown enum values will are stringified by the proto library as their
+ // value. Such values should _not_ be quoted or they will be interpreted
+ // as an enum string instead of their value.
+ enumStr := v.Interface().(fmt.Stringer).String()
+ var valStr string
+ if v.Kind() == reflect.Ptr {
+ valStr = strconv.Itoa(int(v.Elem().Int()))
+ } else {
+ valStr = strconv.Itoa(int(v.Int()))
+ }
+ isKnownEnum := enumStr != valStr
+ if isKnownEnum {
+ out.write(`"`)
+ }
+ out.write(enumStr)
+ if isKnownEnum {
+ out.write(`"`)
+ }
+ return out.err
+ }
+
+ // Handle nested messages.
+ if v.Kind() == reflect.Struct {
+ return m.marshalObject(out, v.Addr().Interface().(proto.Message), indent+m.Indent, "")
+ }
+
+ // Handle maps.
+ // Since Go randomizes map iteration, we sort keys for stable output.
+ if v.Kind() == reflect.Map {
+ out.write(`{`)
+ keys := v.MapKeys()
+ sort.Sort(mapKeys(keys))
+ for i, k := range keys {
+ if i > 0 {
+ out.write(`,`)
+ }
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ out.write(m.Indent)
+ out.write(m.Indent)
+ }
+
+ // TODO handle map key prop properly
+ b, err := json.Marshal(k.Interface())
+ if err != nil {
+ return err
+ }
+ s := string(b)
+
+ // If the JSON is not a string value, encode it again to make it one.
+ if !strings.HasPrefix(s, `"`) {
+ b, err := json.Marshal(s)
+ if err != nil {
+ return err
+ }
+ s = string(b)
+ }
+
+ out.write(s)
+ out.write(`:`)
+ if m.Indent != "" {
+ out.write(` `)
+ }
+
+ vprop := prop
+ if prop != nil && prop.MapValProp != nil {
+ vprop = prop.MapValProp
+ }
+ if err := m.marshalValue(out, vprop, v.MapIndex(k), indent+m.Indent); err != nil {
+ return err
+ }
+ }
+ if m.Indent != "" {
+ out.write("\n")
+ out.write(indent)
+ out.write(m.Indent)
+ }
+ out.write(`}`)
+ return out.err
+ }
+
+ // Handle non-finite floats, e.g. NaN, Infinity and -Infinity.
+ if v.Kind() == reflect.Float32 || v.Kind() == reflect.Float64 {
+ f := v.Float()
+ var sval string
+ switch {
+ case math.IsInf(f, 1):
+ sval = `"Infinity"`
+ case math.IsInf(f, -1):
+ sval = `"-Infinity"`
+ case math.IsNaN(f):
+ sval = `"NaN"`
+ }
+ if sval != "" {
+ out.write(sval)
+ return out.err
+ }
+ }
+
+ // Default handling defers to the encoding/json library.
+ b, err := json.Marshal(v.Interface())
+ if err != nil {
+ return err
+ }
+ needToQuote := string(b[0]) != `"` && (v.Kind() == reflect.Int64 || v.Kind() == reflect.Uint64)
+ if needToQuote {
+ out.write(`"`)
+ }
+ out.write(string(b))
+ if needToQuote {
+ out.write(`"`)
+ }
+ return out.err
+}
+
+// Unmarshaler is a configurable object for converting from a JSON
+// representation to a protocol buffer object.
+type Unmarshaler struct {
+ // Whether to allow messages to contain unknown fields, as opposed to
+ // failing to unmarshal.
+ AllowUnknownFields bool
+
+ // A custom URL resolver to use when unmarshaling Any messages from JSON.
+ // If unset, the default resolution strategy is to extract the
+ // fully-qualified type name from the type URL and pass that to
+ // proto.MessageType(string).
+ AnyResolver AnyResolver
+}
+
+// UnmarshalNext unmarshals the next protocol buffer from a JSON object stream.
+// This function is lenient and will decode any options permutations of the
+// related Marshaler.
+func (u *Unmarshaler) UnmarshalNext(dec *json.Decoder, pb proto.Message) error {
+ inputValue := json.RawMessage{}
+ if err := dec.Decode(&inputValue); err != nil {
+ return err
+ }
+ if err := u.unmarshalValue(reflect.ValueOf(pb).Elem(), inputValue, nil); err != nil {
+ return err
+ }
+ return checkRequiredFields(pb)
+}
+
+// Unmarshal unmarshals a JSON object stream into a protocol
+// buffer. This function is lenient and will decode any options
+// permutations of the related Marshaler.
+func (u *Unmarshaler) Unmarshal(r io.Reader, pb proto.Message) error {
+ dec := json.NewDecoder(r)
+ return u.UnmarshalNext(dec, pb)
+}
+
+// UnmarshalNext unmarshals the next protocol buffer from a JSON object stream.
+// This function is lenient and will decode any options permutations of the
+// related Marshaler.
+func UnmarshalNext(dec *json.Decoder, pb proto.Message) error {
+ return new(Unmarshaler).UnmarshalNext(dec, pb)
+}
+
+// Unmarshal unmarshals a JSON object stream into a protocol
+// buffer. This function is lenient and will decode any options
+// permutations of the related Marshaler.
+func Unmarshal(r io.Reader, pb proto.Message) error {
+ return new(Unmarshaler).Unmarshal(r, pb)
+}
+
+// UnmarshalString will populate the fields of a protocol buffer based
+// on a JSON string. This function is lenient and will decode any options
+// permutations of the related Marshaler.
+func UnmarshalString(str string, pb proto.Message) error {
+ return new(Unmarshaler).Unmarshal(strings.NewReader(str), pb)
+}
+
+// unmarshalValue converts/copies a value into the target.
+// prop may be nil.
+func (u *Unmarshaler) unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *proto.Properties) error {
+ targetType := target.Type()
+
+ // Allocate memory for pointer fields.
+ if targetType.Kind() == reflect.Ptr {
+ // If input value is "null" and target is a pointer type, then the field should be treated as not set
+ // UNLESS the target is structpb.Value, in which case it should be set to structpb.NullValue.
+ _, isJSONPBUnmarshaler := target.Interface().(JSONPBUnmarshaler)
+ if string(inputValue) == "null" && targetType != reflect.TypeOf(&stpb.Value{}) && !isJSONPBUnmarshaler {
+ return nil
+ }
+ target.Set(reflect.New(targetType.Elem()))
+
+ return u.unmarshalValue(target.Elem(), inputValue, prop)
+ }
+
+ if jsu, ok := target.Addr().Interface().(JSONPBUnmarshaler); ok {
+ return jsu.UnmarshalJSONPB(u, []byte(inputValue))
+ }
+
+ // Handle well-known types that are not pointers.
+ if w, ok := target.Addr().Interface().(wkt); ok {
+ switch w.XXX_WellKnownType() {
+ case "DoubleValue", "FloatValue", "Int64Value", "UInt64Value",
+ "Int32Value", "UInt32Value", "BoolValue", "StringValue", "BytesValue":
+ return u.unmarshalValue(target.Field(0), inputValue, prop)
+ case "Any":
+ // Use json.RawMessage pointer type instead of value to support pre-1.8 version.
+ // 1.8 changed RawMessage.MarshalJSON from pointer type to value type, see
+ // https://github.com/golang/go/issues/14493
+ var jsonFields map[string]*json.RawMessage
+ if err := json.Unmarshal(inputValue, &jsonFields); err != nil {
+ return err
+ }
+
+ val, ok := jsonFields["@type"]
+ if !ok || val == nil {
+ return errors.New("Any JSON doesn't have '@type'")
+ }
+
+ var turl string
+ if err := json.Unmarshal([]byte(*val), &turl); err != nil {
+ return fmt.Errorf("can't unmarshal Any's '@type': %q", *val)
+ }
+ target.Field(0).SetString(turl)
+
+ var m proto.Message
+ var err error
+ if u.AnyResolver != nil {
+ m, err = u.AnyResolver.Resolve(turl)
+ } else {
+ m, err = defaultResolveAny(turl)
+ }
+ if err != nil {
+ return err
+ }
+
+ if _, ok := m.(wkt); ok {
+ val, ok := jsonFields["value"]
+ if !ok {
+ return errors.New("Any JSON doesn't have 'value'")
+ }
+
+ if err := u.unmarshalValue(reflect.ValueOf(m).Elem(), *val, nil); err != nil {
+ return fmt.Errorf("can't unmarshal Any nested proto %T: %v", m, err)
+ }
+ } else {
+ delete(jsonFields, "@type")
+ nestedProto, err := json.Marshal(jsonFields)
+ if err != nil {
+ return fmt.Errorf("can't generate JSON for Any's nested proto to be unmarshaled: %v", err)
+ }
+
+ if err = u.unmarshalValue(reflect.ValueOf(m).Elem(), nestedProto, nil); err != nil {
+ return fmt.Errorf("can't unmarshal Any nested proto %T: %v", m, err)
+ }
+ }
+
+ b, err := proto.Marshal(m)
+ if err != nil {
+ return fmt.Errorf("can't marshal proto %T into Any.Value: %v", m, err)
+ }
+ target.Field(1).SetBytes(b)
+
+ return nil
+ case "Duration":
+ unq, err := unquote(string(inputValue))
+ if err != nil {
+ return err
+ }
+
+ d, err := time.ParseDuration(unq)
+ if err != nil {
+ return fmt.Errorf("bad Duration: %v", err)
+ }
+
+ ns := d.Nanoseconds()
+ s := ns / 1e9
+ ns %= 1e9
+ target.Field(0).SetInt(s)
+ target.Field(1).SetInt(ns)
+ return nil
+ case "Timestamp":
+ unq, err := unquote(string(inputValue))
+ if err != nil {
+ return err
+ }
+
+ t, err := time.Parse(time.RFC3339Nano, unq)
+ if err != nil {
+ return fmt.Errorf("bad Timestamp: %v", err)
+ }
+
+ target.Field(0).SetInt(t.Unix())
+ target.Field(1).SetInt(int64(t.Nanosecond()))
+ return nil
+ case "Struct":
+ var m map[string]json.RawMessage
+ if err := json.Unmarshal(inputValue, &m); err != nil {
+ return fmt.Errorf("bad StructValue: %v", err)
+ }
+
+ target.Field(0).Set(reflect.ValueOf(map[string]*stpb.Value{}))
+ for k, jv := range m {
+ pv := &stpb.Value{}
+ if err := u.unmarshalValue(reflect.ValueOf(pv).Elem(), jv, prop); err != nil {
+ return fmt.Errorf("bad value in StructValue for key %q: %v", k, err)
+ }
+ target.Field(0).SetMapIndex(reflect.ValueOf(k), reflect.ValueOf(pv))
+ }
+ return nil
+ case "ListValue":
+ var s []json.RawMessage
+ if err := json.Unmarshal(inputValue, &s); err != nil {
+ return fmt.Errorf("bad ListValue: %v", err)
+ }
+
+ target.Field(0).Set(reflect.ValueOf(make([]*stpb.Value, len(s))))
+ for i, sv := range s {
+ if err := u.unmarshalValue(target.Field(0).Index(i), sv, prop); err != nil {
+ return err
+ }
+ }
+ return nil
+ case "Value":
+ ivStr := string(inputValue)
+ if ivStr == "null" {
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_NullValue{}))
+ } else if v, err := strconv.ParseFloat(ivStr, 0); err == nil {
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_NumberValue{v}))
+ } else if v, err := unquote(ivStr); err == nil {
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_StringValue{v}))
+ } else if v, err := strconv.ParseBool(ivStr); err == nil {
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_BoolValue{v}))
+ } else if err := json.Unmarshal(inputValue, &[]json.RawMessage{}); err == nil {
+ lv := &stpb.ListValue{}
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_ListValue{lv}))
+ return u.unmarshalValue(reflect.ValueOf(lv).Elem(), inputValue, prop)
+ } else if err := json.Unmarshal(inputValue, &map[string]json.RawMessage{}); err == nil {
+ sv := &stpb.Struct{}
+ target.Field(0).Set(reflect.ValueOf(&stpb.Value_StructValue{sv}))
+ return u.unmarshalValue(reflect.ValueOf(sv).Elem(), inputValue, prop)
+ } else {
+ return fmt.Errorf("unrecognized type for Value %q", ivStr)
+ }
+ return nil
+ }
+ }
+
+ // Handle enums, which have an underlying type of int32,
+ // and may appear as strings.
+ // The case of an enum appearing as a number is handled
+ // at the bottom of this function.
+ if inputValue[0] == '"' && prop != nil && prop.Enum != "" {
+ vmap := proto.EnumValueMap(prop.Enum)
+ // Don't need to do unquoting; valid enum names
+ // are from a limited character set.
+ s := inputValue[1 : len(inputValue)-1]
+ n, ok := vmap[string(s)]
+ if !ok {
+ return fmt.Errorf("unknown value %q for enum %s", s, prop.Enum)
+ }
+ if target.Kind() == reflect.Ptr { // proto2
+ target.Set(reflect.New(targetType.Elem()))
+ target = target.Elem()
+ }
+ if targetType.Kind() != reflect.Int32 {
+ return fmt.Errorf("invalid target %q for enum %s", targetType.Kind(), prop.Enum)
+ }
+ target.SetInt(int64(n))
+ return nil
+ }
+
+ // Handle nested messages.
+ if targetType.Kind() == reflect.Struct {
+ var jsonFields map[string]json.RawMessage
+ if err := json.Unmarshal(inputValue, &jsonFields); err != nil {
+ return err
+ }
+
+ consumeField := func(prop *proto.Properties) (json.RawMessage, bool) {
+ // Be liberal in what names we accept; both orig_name and camelName are okay.
+ fieldNames := acceptedJSONFieldNames(prop)
+
+ vOrig, okOrig := jsonFields[fieldNames.orig]
+ vCamel, okCamel := jsonFields[fieldNames.camel]
+ if !okOrig && !okCamel {
+ return nil, false
+ }
+ // If, for some reason, both are present in the data, favour the camelName.
+ var raw json.RawMessage
+ if okOrig {
+ raw = vOrig
+ delete(jsonFields, fieldNames.orig)
+ }
+ if okCamel {
+ raw = vCamel
+ delete(jsonFields, fieldNames.camel)
+ }
+ return raw, true
+ }
+
+ sprops := proto.GetProperties(targetType)
+ for i := 0; i < target.NumField(); i++ {
+ ft := target.Type().Field(i)
+ if strings.HasPrefix(ft.Name, "XXX_") {
+ continue
+ }
+
+ valueForField, ok := consumeField(sprops.Prop[i])
+ if !ok {
+ continue
+ }
+
+ if err := u.unmarshalValue(target.Field(i), valueForField, sprops.Prop[i]); err != nil {
+ return err
+ }
+ }
+ // Check for any oneof fields.
+ if len(jsonFields) > 0 {
+ for _, oop := range sprops.OneofTypes {
+ raw, ok := consumeField(oop.Prop)
+ if !ok {
+ continue
+ }
+ nv := reflect.New(oop.Type.Elem())
+ target.Field(oop.Field).Set(nv)
+ if err := u.unmarshalValue(nv.Elem().Field(0), raw, oop.Prop); err != nil {
+ return err
+ }
+ }
+ }
+ // Handle proto2 extensions.
+ if len(jsonFields) > 0 {
+ if ep, ok := target.Addr().Interface().(proto.Message); ok {
+ for _, ext := range proto.RegisteredExtensions(ep) {
+ name := fmt.Sprintf("[%s]", ext.Name)
+ raw, ok := jsonFields[name]
+ if !ok {
+ continue
+ }
+ delete(jsonFields, name)
+ nv := reflect.New(reflect.TypeOf(ext.ExtensionType).Elem())
+ if err := u.unmarshalValue(nv.Elem(), raw, nil); err != nil {
+ return err
+ }
+ if err := proto.SetExtension(ep, ext, nv.Interface()); err != nil {
+ return err
+ }
+ }
+ }
+ }
+ if !u.AllowUnknownFields && len(jsonFields) > 0 {
+ // Pick any field to be the scapegoat.
+ var f string
+ for fname := range jsonFields {
+ f = fname
+ break
+ }
+ return fmt.Errorf("unknown field %q in %v", f, targetType)
+ }
+ return nil
+ }
+
+ // Handle arrays (which aren't encoded bytes)
+ if targetType.Kind() == reflect.Slice && targetType.Elem().Kind() != reflect.Uint8 {
+ var slc []json.RawMessage
+ if err := json.Unmarshal(inputValue, &slc); err != nil {
+ return err
+ }
+ if slc != nil {
+ l := len(slc)
+ target.Set(reflect.MakeSlice(targetType, l, l))
+ for i := 0; i < l; i++ {
+ if err := u.unmarshalValue(target.Index(i), slc[i], prop); err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+ }
+
+ // Handle maps (whose keys are always strings)
+ if targetType.Kind() == reflect.Map {
+ var mp map[string]json.RawMessage
+ if err := json.Unmarshal(inputValue, &mp); err != nil {
+ return err
+ }
+ if mp != nil {
+ target.Set(reflect.MakeMap(targetType))
+ for ks, raw := range mp {
+ // Unmarshal map key. The core json library already decoded the key into a
+ // string, so we handle that specially. Other types were quoted post-serialization.
+ var k reflect.Value
+ if targetType.Key().Kind() == reflect.String {
+ k = reflect.ValueOf(ks)
+ } else {
+ k = reflect.New(targetType.Key()).Elem()
+ var kprop *proto.Properties
+ if prop != nil && prop.MapKeyProp != nil {
+ kprop = prop.MapKeyProp
+ }
+ if err := u.unmarshalValue(k, json.RawMessage(ks), kprop); err != nil {
+ return err
+ }
+ }
+
+ // Unmarshal map value.
+ v := reflect.New(targetType.Elem()).Elem()
+ var vprop *proto.Properties
+ if prop != nil && prop.MapValProp != nil {
+ vprop = prop.MapValProp
+ }
+ if err := u.unmarshalValue(v, raw, vprop); err != nil {
+ return err
+ }
+ target.SetMapIndex(k, v)
+ }
+ }
+ return nil
+ }
+
+ // Non-finite numbers can be encoded as strings.
+ isFloat := targetType.Kind() == reflect.Float32 || targetType.Kind() == reflect.Float64
+ if isFloat {
+ if num, ok := nonFinite[string(inputValue)]; ok {
+ target.SetFloat(num)
+ return nil
+ }
+ }
+
+ // integers & floats can be encoded as strings. In this case we drop
+ // the quotes and proceed as normal.
+ isNum := targetType.Kind() == reflect.Int64 || targetType.Kind() == reflect.Uint64 ||
+ targetType.Kind() == reflect.Int32 || targetType.Kind() == reflect.Uint32 ||
+ targetType.Kind() == reflect.Float32 || targetType.Kind() == reflect.Float64
+ if isNum && strings.HasPrefix(string(inputValue), `"`) {
+ inputValue = inputValue[1 : len(inputValue)-1]
+ }
+
+ // Use the encoding/json for parsing other value types.
+ return json.Unmarshal(inputValue, target.Addr().Interface())
+}
+
+func unquote(s string) (string, error) {
+ var ret string
+ err := json.Unmarshal([]byte(s), &ret)
+ return ret, err
+}
+
+// jsonProperties returns parsed proto.Properties for the field and corrects JSONName attribute.
+func jsonProperties(f reflect.StructField, origName bool) *proto.Properties {
+ var prop proto.Properties
+ prop.Init(f.Type, f.Name, f.Tag.Get("protobuf"), &f)
+ if origName || prop.JSONName == "" {
+ prop.JSONName = prop.OrigName
+ }
+ return &prop
+}
+
+type fieldNames struct {
+ orig, camel string
+}
+
+func acceptedJSONFieldNames(prop *proto.Properties) fieldNames {
+ opts := fieldNames{orig: prop.OrigName, camel: prop.OrigName}
+ if prop.JSONName != "" {
+ opts.camel = prop.JSONName
+ }
+ return opts
+}
+
+// Writer wrapper inspired by https://blog.golang.org/errors-are-values
+type errWriter struct {
+ writer io.Writer
+ err error
+}
+
+func (w *errWriter) write(str string) {
+ if w.err != nil {
+ return
+ }
+ _, w.err = w.writer.Write([]byte(str))
+}
+
+// Map fields may have key types of non-float scalars, strings and enums.
+// The easiest way to sort them in some deterministic order is to use fmt.
+// If this turns out to be inefficient we can always consider other options,
+// such as doing a Schwartzian transform.
+//
+// Numeric keys are sorted in numeric order per
+// https://developers.google.com/protocol-buffers/docs/proto#maps.
+type mapKeys []reflect.Value
+
+func (s mapKeys) Len() int { return len(s) }
+func (s mapKeys) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+func (s mapKeys) Less(i, j int) bool {
+ if k := s[i].Kind(); k == s[j].Kind() {
+ switch k {
+ case reflect.String:
+ return s[i].String() < s[j].String()
+ case reflect.Int32, reflect.Int64:
+ return s[i].Int() < s[j].Int()
+ case reflect.Uint32, reflect.Uint64:
+ return s[i].Uint() < s[j].Uint()
+ }
+ }
+ return fmt.Sprint(s[i].Interface()) < fmt.Sprint(s[j].Interface())
+}
+
+// checkRequiredFields returns an error if any required field in the given proto message is not set.
+// This function is used by both Marshal and Unmarshal. While required fields only exist in a
+// proto2 message, a proto3 message can contain proto2 message(s).
+func checkRequiredFields(pb proto.Message) error {
+ // Most well-known type messages do not contain required fields. The "Any" type may contain
+ // a message that has required fields.
+ //
+ // When an Any message is being marshaled, the code will invoked proto.Unmarshal on Any.Value
+ // field in order to transform that into JSON, and that should have returned an error if a
+ // required field is not set in the embedded message.
+ //
+ // When an Any message is being unmarshaled, the code will have invoked proto.Marshal on the
+ // embedded message to store the serialized message in Any.Value field, and that should have
+ // returned an error if a required field is not set.
+ if _, ok := pb.(wkt); ok {
+ return nil
+ }
+
+ v := reflect.ValueOf(pb)
+ // Skip message if it is not a struct pointer.
+ if v.Kind() != reflect.Ptr {
+ return nil
+ }
+ v = v.Elem()
+ if v.Kind() != reflect.Struct {
+ return nil
+ }
+
+ for i := 0; i < v.NumField(); i++ {
+ field := v.Field(i)
+ sfield := v.Type().Field(i)
+
+ if sfield.PkgPath != "" {
+ // blank PkgPath means the field is exported; skip if not exported
+ continue
+ }
+
+ if strings.HasPrefix(sfield.Name, "XXX_") {
+ continue
+ }
+
+ // Oneof field is an interface implemented by wrapper structs containing the actual oneof
+ // field, i.e. an interface containing &T{real_value}.
+ if sfield.Tag.Get("protobuf_oneof") != "" {
+ if field.Kind() != reflect.Interface {
+ continue
+ }
+ v := field.Elem()
+ if v.Kind() != reflect.Ptr || v.IsNil() {
+ continue
+ }
+ v = v.Elem()
+ if v.Kind() != reflect.Struct || v.NumField() < 1 {
+ continue
+ }
+ field = v.Field(0)
+ sfield = v.Type().Field(0)
+ }
+
+ protoTag := sfield.Tag.Get("protobuf")
+ if protoTag == "" {
+ continue
+ }
+ var prop proto.Properties
+ prop.Init(sfield.Type, sfield.Name, protoTag, &sfield)
+
+ switch field.Kind() {
+ case reflect.Map:
+ if field.IsNil() {
+ continue
+ }
+ // Check each map value.
+ keys := field.MapKeys()
+ for _, k := range keys {
+ v := field.MapIndex(k)
+ if err := checkRequiredFieldsInValue(v); err != nil {
+ return err
+ }
+ }
+ case reflect.Slice:
+ // Handle non-repeated type, e.g. bytes.
+ if !prop.Repeated {
+ if prop.Required && field.IsNil() {
+ return fmt.Errorf("required field %q is not set", prop.Name)
+ }
+ continue
+ }
+
+ // Handle repeated type.
+ if field.IsNil() {
+ continue
+ }
+ // Check each slice item.
+ for i := 0; i < field.Len(); i++ {
+ v := field.Index(i)
+ if err := checkRequiredFieldsInValue(v); err != nil {
+ return err
+ }
+ }
+ case reflect.Ptr:
+ if field.IsNil() {
+ if prop.Required {
+ return fmt.Errorf("required field %q is not set", prop.Name)
+ }
+ continue
+ }
+ if err := checkRequiredFieldsInValue(field); err != nil {
+ return err
+ }
+ }
+ }
+
+ // Handle proto2 extensions.
+ for _, ext := range proto.RegisteredExtensions(pb) {
+ if !proto.HasExtension(pb, ext) {
+ continue
+ }
+ ep, err := proto.GetExtension(pb, ext)
+ if err != nil {
+ return err
+ }
+ err = checkRequiredFieldsInValue(reflect.ValueOf(ep))
+ if err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+func checkRequiredFieldsInValue(v reflect.Value) error {
+ if pm, ok := v.Interface().(proto.Message); ok {
+ return checkRequiredFields(pm)
+ }
+ return nil
+}
diff --git a/vendor/github.com/golang/protobuf/ptypes/struct/struct.proto b/vendor/github.com/golang/protobuf/ptypes/struct/struct.proto
new file mode 100644
index 0000000..7d7808e
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/ptypes/struct/struct.proto
@@ -0,0 +1,96 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/struct;structpb";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "StructProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+
+// `Struct` represents a structured data value, consisting of fields
+// which map to dynamically typed values. In some languages, `Struct`
+// might be supported by a native representation. For example, in
+// scripting languages like JS a struct is represented as an
+// object. The details of that representation are described together
+// with the proto support for the language.
+//
+// The JSON representation for `Struct` is JSON object.
+message Struct {
+ // Unordered map of dynamically typed values.
+ map<string, Value> fields = 1;
+}
+
+// `Value` represents a dynamically typed value which can be either
+// null, a number, a string, a boolean, a recursive struct value, or a
+// list of values. A producer of value is expected to set one of that
+// variants, absence of any variant indicates an error.
+//
+// The JSON representation for `Value` is JSON value.
+message Value {
+ // The kind of value.
+ oneof kind {
+ // Represents a null value.
+ NullValue null_value = 1;
+ // Represents a double value.
+ double number_value = 2;
+ // Represents a string value.
+ string string_value = 3;
+ // Represents a boolean value.
+ bool bool_value = 4;
+ // Represents a structured value.
+ Struct struct_value = 5;
+ // Represents a repeated `Value`.
+ ListValue list_value = 6;
+ }
+}
+
+// `NullValue` is a singleton enumeration to represent the null value for the
+// `Value` type union.
+//
+// The JSON representation for `NullValue` is JSON `null`.
+enum NullValue {
+ // Null value.
+ NULL_VALUE = 0;
+}
+
+// `ListValue` is a wrapper around a repeated field of values.
+//
+// The JSON representation for `ListValue` is JSON array.
+message ListValue {
+ // Repeated field of dynamically typed values.
+ repeated Value values = 1;
+}