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-rw-r--r--vendor/github.com/google/uuid/null.go118
-rw-r--r--vendor/github.com/google/uuid/uuid.go45
-rw-r--r--vendor/github.com/google/uuid/version4.go27
-rw-r--r--vendor/modules.txt2
4 files changed, 189 insertions, 3 deletions
diff --git a/vendor/github.com/google/uuid/null.go b/vendor/github.com/google/uuid/null.go
new file mode 100644
index 000000000..d7fcbf286
--- /dev/null
+++ b/vendor/github.com/google/uuid/null.go
@@ -0,0 +1,118 @@
+// Copyright 2021 Google Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package uuid
+
+import (
+ "bytes"
+ "database/sql/driver"
+ "encoding/json"
+ "fmt"
+)
+
+var jsonNull = []byte("null")
+
+// NullUUID represents a UUID that may be null.
+// NullUUID implements the SQL driver.Scanner interface so
+// it can be used as a scan destination:
+//
+// var u uuid.NullUUID
+// err := db.QueryRow("SELECT name FROM foo WHERE id=?", id).Scan(&u)
+// ...
+// if u.Valid {
+// // use u.UUID
+// } else {
+// // NULL value
+// }
+//
+type NullUUID struct {
+ UUID UUID
+ Valid bool // Valid is true if UUID is not NULL
+}
+
+// Scan implements the SQL driver.Scanner interface.
+func (nu *NullUUID) Scan(value interface{}) error {
+ if value == nil {
+ nu.UUID, nu.Valid = Nil, false
+ return nil
+ }
+
+ err := nu.UUID.Scan(value)
+ if err != nil {
+ nu.Valid = false
+ return err
+ }
+
+ nu.Valid = true
+ return nil
+}
+
+// Value implements the driver Valuer interface.
+func (nu NullUUID) Value() (driver.Value, error) {
+ if !nu.Valid {
+ return nil, nil
+ }
+ // Delegate to UUID Value function
+ return nu.UUID.Value()
+}
+
+// MarshalBinary implements encoding.BinaryMarshaler.
+func (nu NullUUID) MarshalBinary() ([]byte, error) {
+ if nu.Valid {
+ return nu.UUID[:], nil
+ }
+
+ return []byte(nil), nil
+}
+
+// UnmarshalBinary implements encoding.BinaryUnmarshaler.
+func (nu *NullUUID) UnmarshalBinary(data []byte) error {
+ if len(data) != 16 {
+ return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
+ }
+ copy(nu.UUID[:], data)
+ nu.Valid = true
+ return nil
+}
+
+// MarshalText implements encoding.TextMarshaler.
+func (nu NullUUID) MarshalText() ([]byte, error) {
+ if nu.Valid {
+ return nu.UUID.MarshalText()
+ }
+
+ return jsonNull, nil
+}
+
+// UnmarshalText implements encoding.TextUnmarshaler.
+func (nu *NullUUID) UnmarshalText(data []byte) error {
+ id, err := ParseBytes(data)
+ if err != nil {
+ nu.Valid = false
+ return err
+ }
+ nu.UUID = id
+ nu.Valid = true
+ return nil
+}
+
+// MarshalJSON implements json.Marshaler.
+func (nu NullUUID) MarshalJSON() ([]byte, error) {
+ if nu.Valid {
+ return json.Marshal(nu.UUID)
+ }
+
+ return jsonNull, nil
+}
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (nu *NullUUID) UnmarshalJSON(data []byte) error {
+ if bytes.Equal(data, jsonNull) {
+ *nu = NullUUID{}
+ return nil // valid null UUID
+ }
+ err := json.Unmarshal(data, &nu.UUID)
+ nu.Valid = err == nil
+ return err
+}
diff --git a/vendor/github.com/google/uuid/uuid.go b/vendor/github.com/google/uuid/uuid.go
index 60d26bb50..a57207aeb 100644
--- a/vendor/github.com/google/uuid/uuid.go
+++ b/vendor/github.com/google/uuid/uuid.go
@@ -12,6 +12,7 @@ import (
"fmt"
"io"
"strings"
+ "sync"
)
// A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC
@@ -33,7 +34,15 @@ const (
Future // Reserved for future definition.
)
-var rander = rand.Reader // random function
+const randPoolSize = 16 * 16
+
+var (
+ rander = rand.Reader // random function
+ poolEnabled = false
+ poolMu sync.Mutex
+ poolPos = randPoolSize // protected with poolMu
+ pool [randPoolSize]byte // protected with poolMu
+)
type invalidLengthError struct{ len int }
@@ -41,6 +50,12 @@ func (err invalidLengthError) Error() string {
return fmt.Sprintf("invalid UUID length: %d", err.len)
}
+// IsInvalidLengthError is matcher function for custom error invalidLengthError
+func IsInvalidLengthError(err error) bool {
+ _, ok := err.(invalidLengthError)
+ return ok
+}
+
// Parse decodes s into a UUID or returns an error. Both the standard UUID
// forms of xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded as well as the
@@ -249,3 +264,31 @@ func SetRand(r io.Reader) {
}
rander = r
}
+
+// EnableRandPool enables internal randomness pool used for Random
+// (Version 4) UUID generation. The pool contains random bytes read from
+// the random number generator on demand in batches. Enabling the pool
+// may improve the UUID generation throughput significantly.
+//
+// Since the pool is stored on the Go heap, this feature may be a bad fit
+// for security sensitive applications.
+//
+// Both EnableRandPool and DisableRandPool are not thread-safe and should
+// only be called when there is no possibility that New or any other
+// UUID Version 4 generation function will be called concurrently.
+func EnableRandPool() {
+ poolEnabled = true
+}
+
+// DisableRandPool disables the randomness pool if it was previously
+// enabled with EnableRandPool.
+//
+// Both EnableRandPool and DisableRandPool are not thread-safe and should
+// only be called when there is no possibility that New or any other
+// UUID Version 4 generation function will be called concurrently.
+func DisableRandPool() {
+ poolEnabled = false
+ defer poolMu.Unlock()
+ poolMu.Lock()
+ poolPos = randPoolSize
+}
diff --git a/vendor/github.com/google/uuid/version4.go b/vendor/github.com/google/uuid/version4.go
index 86160fbd0..7697802e4 100644
--- a/vendor/github.com/google/uuid/version4.go
+++ b/vendor/github.com/google/uuid/version4.go
@@ -27,6 +27,8 @@ func NewString() string {
// The strength of the UUIDs is based on the strength of the crypto/rand
// package.
//
+// Uses the randomness pool if it was enabled with EnableRandPool.
+//
// A note about uniqueness derived from the UUID Wikipedia entry:
//
// Randomly generated UUIDs have 122 random bits. One's annual risk of being
@@ -35,7 +37,10 @@ func NewString() string {
// equivalent to the odds of creating a few tens of trillions of UUIDs in a
// year and having one duplicate.
func NewRandom() (UUID, error) {
- return NewRandomFromReader(rander)
+ if !poolEnabled {
+ return NewRandomFromReader(rander)
+ }
+ return newRandomFromPool()
}
// NewRandomFromReader returns a UUID based on bytes read from a given io.Reader.
@@ -49,3 +54,23 @@ func NewRandomFromReader(r io.Reader) (UUID, error) {
uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
return uuid, nil
}
+
+func newRandomFromPool() (UUID, error) {
+ var uuid UUID
+ poolMu.Lock()
+ if poolPos == randPoolSize {
+ _, err := io.ReadFull(rander, pool[:])
+ if err != nil {
+ poolMu.Unlock()
+ return Nil, err
+ }
+ poolPos = 0
+ }
+ copy(uuid[:], pool[poolPos:(poolPos+16)])
+ poolPos += 16
+ poolMu.Unlock()
+
+ uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
+ uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
+ return uuid, nil
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 19b8d0a47..c29cfe8cc 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -370,7 +370,7 @@ github.com/google/go-intervals/intervalset
github.com/google/gofuzz
# github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf
github.com/google/shlex
-# github.com/google/uuid v1.2.0
+# github.com/google/uuid v1.3.0
github.com/google/uuid
# github.com/gorilla/mux v1.8.0
github.com/gorilla/mux