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path: root/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go
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Diffstat (limited to 'src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go')
-rw-r--r--src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go165
1 files changed, 0 insertions, 165 deletions
diff --git a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go b/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go
deleted file mode 100644
index 0d00000040e..00000000000
--- a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/primitive/objectid.go
+++ /dev/null
@@ -1,165 +0,0 @@
-// Copyright (C) MongoDB, Inc. 2017-present.
-//
-// 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
-//
-// Based on gopkg.in/mgo.v2/bson by Gustavo Niemeyer
-// See THIRD-PARTY-NOTICES for original license terms.
-
-package primitive
-
-import (
- "bytes"
- "crypto/rand"
- "encoding/binary"
- "encoding/hex"
- "encoding/json"
- "errors"
- "fmt"
- "io"
- "sync/atomic"
- "time"
-)
-
-// ErrInvalidHex indicates that a hex string cannot be converted to an ObjectID.
-var ErrInvalidHex = errors.New("the provided hex string is not a valid ObjectID")
-
-// ObjectID is the BSON ObjectID type.
-type ObjectID [12]byte
-
-// NilObjectID is the zero value for ObjectID.
-var NilObjectID ObjectID
-
-var objectIDCounter = readRandomUint32()
-var processUnique = processUniqueBytes()
-
-// NewObjectID generates a new ObjectID.
-func NewObjectID() ObjectID {
- return NewObjectIDFromTimestamp(time.Now())
-}
-
-// NewObjectIDFromTimestamp generates a new ObjectID based on the given time.
-func NewObjectIDFromTimestamp(timestamp time.Time) ObjectID {
- var b [12]byte
-
- binary.BigEndian.PutUint32(b[0:4], uint32(timestamp.Unix()))
- copy(b[4:9], processUnique[:])
- putUint24(b[9:12], atomic.AddUint32(&objectIDCounter, 1))
-
- return b
-}
-
-// Timestamp extracts the time part of the ObjectId.
-func (id ObjectID) Timestamp() time.Time {
- unixSecs := binary.BigEndian.Uint32(id[0:4])
- return time.Unix(int64(unixSecs), 0).UTC()
-}
-
-// Hex returns the hex encoding of the ObjectID as a string.
-func (id ObjectID) Hex() string {
- return hex.EncodeToString(id[:])
-}
-
-func (id ObjectID) String() string {
- return fmt.Sprintf("ObjectID(%q)", id.Hex())
-}
-
-// IsZero returns true if id is the empty ObjectID.
-func (id ObjectID) IsZero() bool {
- return bytes.Equal(id[:], NilObjectID[:])
-}
-
-// ObjectIDFromHex creates a new ObjectID from a hex string. It returns an error if the hex string is not a
-// valid ObjectID.
-func ObjectIDFromHex(s string) (ObjectID, error) {
- b, err := hex.DecodeString(s)
- if err != nil {
- return NilObjectID, err
- }
-
- if len(b) != 12 {
- return NilObjectID, ErrInvalidHex
- }
-
- var oid [12]byte
- copy(oid[:], b[:])
-
- return oid, nil
-}
-
-// MarshalJSON returns the ObjectID as a string
-func (id ObjectID) MarshalJSON() ([]byte, error) {
- return json.Marshal(id.Hex())
-}
-
-// UnmarshalJSON populates the byte slice with the ObjectID. If the byte slice is 64 bytes long, it
-// will be populated with the hex representation of the ObjectID. If the byte slice is twelve bytes
-// long, it will be populated with the BSON representation of the ObjectID. Otherwise, it will
-// return an error.
-func (id *ObjectID) UnmarshalJSON(b []byte) error {
- var err error
- switch len(b) {
- case 12:
- copy(id[:], b)
- default:
- // Extended JSON
- var res interface{}
- err := json.Unmarshal(b, &res)
- if err != nil {
- return err
- }
- str, ok := res.(string)
- if !ok {
- m, ok := res.(map[string]interface{})
- if !ok {
- return errors.New("not an extended JSON ObjectID")
- }
- oid, ok := m["$oid"]
- if !ok {
- return errors.New("not an extended JSON ObjectID")
- }
- str, ok = oid.(string)
- if !ok {
- return errors.New("not an extended JSON ObjectID")
- }
- }
-
- if len(str) != 24 {
- return fmt.Errorf("cannot unmarshal into an ObjectID, the length must be 12 but it is %d", len(str))
- }
-
- _, err = hex.Decode(id[:], []byte(str))
- if err != nil {
- return err
- }
- }
-
- return err
-}
-
-func processUniqueBytes() [5]byte {
- var b [5]byte
- _, err := io.ReadFull(rand.Reader, b[:])
- if err != nil {
- panic(fmt.Errorf("cannot initialize objectid package with crypto.rand.Reader: %v", err))
- }
-
- return b
-}
-
-func readRandomUint32() uint32 {
- var b [4]byte
- _, err := io.ReadFull(rand.Reader, b[:])
- if err != nil {
- panic(fmt.Errorf("cannot initialize objectid package with crypto.rand.Reader: %v", err))
- }
-
- return (uint32(b[0]) << 0) | (uint32(b[1]) << 8) | (uint32(b[2]) << 16) | (uint32(b[3]) << 24)
-}
-
-func putUint24(b []byte, v uint32) {
- b[0] = byte(v >> 16)
- b[1] = byte(v >> 8)
- b[2] = byte(v)
-}