From 1a57267a17c2fc17fb6e104846fabc3e363c326c Mon Sep 17 00:00:00 2001 From: Emile Date: Fri, 16 Aug 2024 19:50:26 +0200 Subject: initial commit --- vendor/github.com/google/uuid/CHANGELOG.md | 41 +++ vendor/github.com/google/uuid/CONTRIBUTING.md | 26 ++ vendor/github.com/google/uuid/CONTRIBUTORS | 9 + vendor/github.com/google/uuid/LICENSE | 27 ++ vendor/github.com/google/uuid/README.md | 21 ++ vendor/github.com/google/uuid/dce.go | 80 ++++++ vendor/github.com/google/uuid/doc.go | 12 + vendor/github.com/google/uuid/hash.go | 59 +++++ vendor/github.com/google/uuid/marshal.go | 38 +++ vendor/github.com/google/uuid/node.go | 90 +++++++ vendor/github.com/google/uuid/node_js.go | 12 + vendor/github.com/google/uuid/node_net.go | 33 +++ vendor/github.com/google/uuid/null.go | 118 +++++++++ vendor/github.com/google/uuid/sql.go | 59 +++++ vendor/github.com/google/uuid/time.go | 134 ++++++++++ vendor/github.com/google/uuid/util.go | 43 +++ vendor/github.com/google/uuid/uuid.go | 365 ++++++++++++++++++++++++++ vendor/github.com/google/uuid/version1.go | 44 ++++ vendor/github.com/google/uuid/version4.go | 76 ++++++ vendor/github.com/google/uuid/version6.go | 56 ++++ vendor/github.com/google/uuid/version7.go | 104 ++++++++ 21 files changed, 1447 insertions(+) create mode 100644 vendor/github.com/google/uuid/CHANGELOG.md create mode 100644 vendor/github.com/google/uuid/CONTRIBUTING.md create mode 100644 vendor/github.com/google/uuid/CONTRIBUTORS create mode 100644 vendor/github.com/google/uuid/LICENSE create mode 100644 vendor/github.com/google/uuid/README.md create mode 100644 vendor/github.com/google/uuid/dce.go create mode 100644 vendor/github.com/google/uuid/doc.go create mode 100644 vendor/github.com/google/uuid/hash.go create mode 100644 vendor/github.com/google/uuid/marshal.go create mode 100644 vendor/github.com/google/uuid/node.go create mode 100644 vendor/github.com/google/uuid/node_js.go create mode 100644 vendor/github.com/google/uuid/node_net.go create mode 100644 vendor/github.com/google/uuid/null.go create mode 100644 vendor/github.com/google/uuid/sql.go create mode 100644 vendor/github.com/google/uuid/time.go create mode 100644 vendor/github.com/google/uuid/util.go create mode 100644 vendor/github.com/google/uuid/uuid.go create mode 100644 vendor/github.com/google/uuid/version1.go create mode 100644 vendor/github.com/google/uuid/version4.go create mode 100644 vendor/github.com/google/uuid/version6.go create mode 100644 vendor/github.com/google/uuid/version7.go (limited to 'vendor/github.com/google/uuid') diff --git a/vendor/github.com/google/uuid/CHANGELOG.md b/vendor/github.com/google/uuid/CHANGELOG.md new file mode 100644 index 0000000..7ec5ac7 --- /dev/null +++ b/vendor/github.com/google/uuid/CHANGELOG.md @@ -0,0 +1,41 @@ +# Changelog + +## [1.6.0](https://github.com/google/uuid/compare/v1.5.0...v1.6.0) (2024-01-16) + + +### Features + +* add Max UUID constant ([#149](https://github.com/google/uuid/issues/149)) ([c58770e](https://github.com/google/uuid/commit/c58770eb495f55fe2ced6284f93c5158a62e53e3)) + + +### Bug Fixes + +* fix typo in version 7 uuid documentation ([#153](https://github.com/google/uuid/issues/153)) ([016b199](https://github.com/google/uuid/commit/016b199544692f745ffc8867b914129ecb47ef06)) +* Monotonicity in UUIDv7 ([#150](https://github.com/google/uuid/issues/150)) ([a2b2b32](https://github.com/google/uuid/commit/a2b2b32373ff0b1a312b7fdf6d38a977099698a6)) + +## [1.5.0](https://github.com/google/uuid/compare/v1.4.0...v1.5.0) (2023-12-12) + + +### Features + +* Validate UUID without creating new UUID ([#141](https://github.com/google/uuid/issues/141)) ([9ee7366](https://github.com/google/uuid/commit/9ee7366e66c9ad96bab89139418a713dc584ae29)) + +## [1.4.0](https://github.com/google/uuid/compare/v1.3.1...v1.4.0) (2023-10-26) + + +### Features + +* UUIDs slice type with Strings() convenience method ([#133](https://github.com/google/uuid/issues/133)) ([cd5fbbd](https://github.com/google/uuid/commit/cd5fbbdd02f3e3467ac18940e07e062be1f864b4)) + +### Fixes + +* Clarify that Parse's job is to parse but not necessarily validate strings. (Documents current behavior) + +## [1.3.1](https://github.com/google/uuid/compare/v1.3.0...v1.3.1) (2023-08-18) + + +### Bug Fixes + +* Use .EqualFold() to parse urn prefixed UUIDs ([#118](https://github.com/google/uuid/issues/118)) ([574e687](https://github.com/google/uuid/commit/574e6874943741fb99d41764c705173ada5293f0)) + +## Changelog diff --git a/vendor/github.com/google/uuid/CONTRIBUTING.md b/vendor/github.com/google/uuid/CONTRIBUTING.md new file mode 100644 index 0000000..a502fdc --- /dev/null +++ b/vendor/github.com/google/uuid/CONTRIBUTING.md @@ -0,0 +1,26 @@ +# How to contribute + +We definitely welcome patches and contribution to this project! + +### Tips + +Commits must be formatted according to the [Conventional Commits Specification](https://www.conventionalcommits.org). + +Always try to include a test case! If it is not possible or not necessary, +please explain why in the pull request description. + +### Releasing + +Commits that would precipitate a SemVer change, as described in the Conventional +Commits Specification, will trigger [`release-please`](https://github.com/google-github-actions/release-please-action) +to create a release candidate pull request. Once submitted, `release-please` +will create a release. + +For tips on how to work with `release-please`, see its documentation. + +### Legal requirements + +In order to protect both you and ourselves, you will need to sign the +[Contributor License Agreement](https://cla.developers.google.com/clas). + +You may have already signed it for other Google projects. diff --git a/vendor/github.com/google/uuid/CONTRIBUTORS b/vendor/github.com/google/uuid/CONTRIBUTORS new file mode 100644 index 0000000..b4bb97f --- /dev/null +++ b/vendor/github.com/google/uuid/CONTRIBUTORS @@ -0,0 +1,9 @@ +Paul Borman +bmatsuo +shawnps +theory +jboverfelt +dsymonds +cd1 +wallclockbuilder +dansouza diff --git a/vendor/github.com/google/uuid/LICENSE b/vendor/github.com/google/uuid/LICENSE new file mode 100644 index 0000000..5dc6826 --- /dev/null +++ b/vendor/github.com/google/uuid/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2009,2014 Google Inc. All rights reserved. + +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. diff --git a/vendor/github.com/google/uuid/README.md b/vendor/github.com/google/uuid/README.md new file mode 100644 index 0000000..3e9a618 --- /dev/null +++ b/vendor/github.com/google/uuid/README.md @@ -0,0 +1,21 @@ +# uuid +The uuid package generates and inspects UUIDs based on +[RFC 4122](https://datatracker.ietf.org/doc/html/rfc4122) +and DCE 1.1: Authentication and Security Services. + +This package is based on the github.com/pborman/uuid package (previously named +code.google.com/p/go-uuid). It differs from these earlier packages in that +a UUID is a 16 byte array rather than a byte slice. One loss due to this +change is the ability to represent an invalid UUID (vs a NIL UUID). + +###### Install +```sh +go get github.com/google/uuid +``` + +###### Documentation +[![Go Reference](https://pkg.go.dev/badge/github.com/google/uuid.svg)](https://pkg.go.dev/github.com/google/uuid) + +Full `go doc` style documentation for the package can be viewed online without +installing this package by using the GoDoc site here: +http://pkg.go.dev/github.com/google/uuid diff --git a/vendor/github.com/google/uuid/dce.go b/vendor/github.com/google/uuid/dce.go new file mode 100644 index 0000000..fa820b9 --- /dev/null +++ b/vendor/github.com/google/uuid/dce.go @@ -0,0 +1,80 @@ +// Copyright 2016 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 ( + "encoding/binary" + "fmt" + "os" +) + +// A Domain represents a Version 2 domain +type Domain byte + +// Domain constants for DCE Security (Version 2) UUIDs. +const ( + Person = Domain(0) + Group = Domain(1) + Org = Domain(2) +) + +// NewDCESecurity returns a DCE Security (Version 2) UUID. +// +// The domain should be one of Person, Group or Org. +// On a POSIX system the id should be the users UID for the Person +// domain and the users GID for the Group. The meaning of id for +// the domain Org or on non-POSIX systems is site defined. +// +// For a given domain/id pair the same token may be returned for up to +// 7 minutes and 10 seconds. +func NewDCESecurity(domain Domain, id uint32) (UUID, error) { + uuid, err := NewUUID() + if err == nil { + uuid[6] = (uuid[6] & 0x0f) | 0x20 // Version 2 + uuid[9] = byte(domain) + binary.BigEndian.PutUint32(uuid[0:], id) + } + return uuid, err +} + +// NewDCEPerson returns a DCE Security (Version 2) UUID in the person +// domain with the id returned by os.Getuid. +// +// NewDCESecurity(Person, uint32(os.Getuid())) +func NewDCEPerson() (UUID, error) { + return NewDCESecurity(Person, uint32(os.Getuid())) +} + +// NewDCEGroup returns a DCE Security (Version 2) UUID in the group +// domain with the id returned by os.Getgid. +// +// NewDCESecurity(Group, uint32(os.Getgid())) +func NewDCEGroup() (UUID, error) { + return NewDCESecurity(Group, uint32(os.Getgid())) +} + +// Domain returns the domain for a Version 2 UUID. Domains are only defined +// for Version 2 UUIDs. +func (uuid UUID) Domain() Domain { + return Domain(uuid[9]) +} + +// ID returns the id for a Version 2 UUID. IDs are only defined for Version 2 +// UUIDs. +func (uuid UUID) ID() uint32 { + return binary.BigEndian.Uint32(uuid[0:4]) +} + +func (d Domain) String() string { + switch d { + case Person: + return "Person" + case Group: + return "Group" + case Org: + return "Org" + } + return fmt.Sprintf("Domain%d", int(d)) +} diff --git a/vendor/github.com/google/uuid/doc.go b/vendor/github.com/google/uuid/doc.go new file mode 100644 index 0000000..5b8a4b9 --- /dev/null +++ b/vendor/github.com/google/uuid/doc.go @@ -0,0 +1,12 @@ +// Copyright 2016 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 generates and inspects UUIDs. +// +// UUIDs are based on RFC 4122 and DCE 1.1: Authentication and Security +// Services. +// +// A UUID is a 16 byte (128 bit) array. UUIDs may be used as keys to +// maps or compared directly. +package uuid diff --git a/vendor/github.com/google/uuid/hash.go b/vendor/github.com/google/uuid/hash.go new file mode 100644 index 0000000..dc60082 --- /dev/null +++ b/vendor/github.com/google/uuid/hash.go @@ -0,0 +1,59 @@ +// Copyright 2016 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 ( + "crypto/md5" + "crypto/sha1" + "hash" +) + +// Well known namespace IDs and UUIDs +var ( + NameSpaceDNS = Must(Parse("6ba7b810-9dad-11d1-80b4-00c04fd430c8")) + NameSpaceURL = Must(Parse("6ba7b811-9dad-11d1-80b4-00c04fd430c8")) + NameSpaceOID = Must(Parse("6ba7b812-9dad-11d1-80b4-00c04fd430c8")) + NameSpaceX500 = Must(Parse("6ba7b814-9dad-11d1-80b4-00c04fd430c8")) + Nil UUID // empty UUID, all zeros + + // The Max UUID is special form of UUID that is specified to have all 128 bits set to 1. + Max = UUID{ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + } +) + +// NewHash returns a new UUID derived from the hash of space concatenated with +// data generated by h. The hash should be at least 16 byte in length. The +// first 16 bytes of the hash are used to form the UUID. The version of the +// UUID will be the lower 4 bits of version. NewHash is used to implement +// NewMD5 and NewSHA1. +func NewHash(h hash.Hash, space UUID, data []byte, version int) UUID { + h.Reset() + h.Write(space[:]) //nolint:errcheck + h.Write(data) //nolint:errcheck + s := h.Sum(nil) + var uuid UUID + copy(uuid[:], s) + uuid[6] = (uuid[6] & 0x0f) | uint8((version&0xf)<<4) + uuid[8] = (uuid[8] & 0x3f) | 0x80 // RFC 4122 variant + return uuid +} + +// NewMD5 returns a new MD5 (Version 3) UUID based on the +// supplied name space and data. It is the same as calling: +// +// NewHash(md5.New(), space, data, 3) +func NewMD5(space UUID, data []byte) UUID { + return NewHash(md5.New(), space, data, 3) +} + +// NewSHA1 returns a new SHA1 (Version 5) UUID based on the +// supplied name space and data. It is the same as calling: +// +// NewHash(sha1.New(), space, data, 5) +func NewSHA1(space UUID, data []byte) UUID { + return NewHash(sha1.New(), space, data, 5) +} diff --git a/vendor/github.com/google/uuid/marshal.go b/vendor/github.com/google/uuid/marshal.go new file mode 100644 index 0000000..14bd340 --- /dev/null +++ b/vendor/github.com/google/uuid/marshal.go @@ -0,0 +1,38 @@ +// Copyright 2016 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 "fmt" + +// MarshalText implements encoding.TextMarshaler. +func (uuid UUID) MarshalText() ([]byte, error) { + var js [36]byte + encodeHex(js[:], uuid) + return js[:], nil +} + +// UnmarshalText implements encoding.TextUnmarshaler. +func (uuid *UUID) UnmarshalText(data []byte) error { + id, err := ParseBytes(data) + if err != nil { + return err + } + *uuid = id + return nil +} + +// MarshalBinary implements encoding.BinaryMarshaler. +func (uuid UUID) MarshalBinary() ([]byte, error) { + return uuid[:], nil +} + +// UnmarshalBinary implements encoding.BinaryUnmarshaler. +func (uuid *UUID) UnmarshalBinary(data []byte) error { + if len(data) != 16 { + return fmt.Errorf("invalid UUID (got %d bytes)", len(data)) + } + copy(uuid[:], data) + return nil +} diff --git a/vendor/github.com/google/uuid/node.go b/vendor/github.com/google/uuid/node.go new file mode 100644 index 0000000..d651a2b --- /dev/null +++ b/vendor/github.com/google/uuid/node.go @@ -0,0 +1,90 @@ +// Copyright 2016 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 ( + "sync" +) + +var ( + nodeMu sync.Mutex + ifname string // name of interface being used + nodeID [6]byte // hardware for version 1 UUIDs + zeroID [6]byte // nodeID with only 0's +) + +// NodeInterface returns the name of the interface from which the NodeID was +// derived. The interface "user" is returned if the NodeID was set by +// SetNodeID. +func NodeInterface() string { + defer nodeMu.Unlock() + nodeMu.Lock() + return ifname +} + +// SetNodeInterface selects the hardware address to be used for Version 1 UUIDs. +// If name is "" then the first usable interface found will be used or a random +// Node ID will be generated. If a named interface cannot be found then false +// is returned. +// +// SetNodeInterface never fails when name is "". +func SetNodeInterface(name string) bool { + defer nodeMu.Unlock() + nodeMu.Lock() + return setNodeInterface(name) +} + +func setNodeInterface(name string) bool { + iname, addr := getHardwareInterface(name) // null implementation for js + if iname != "" && addr != nil { + ifname = iname + copy(nodeID[:], addr) + return true + } + + // We found no interfaces with a valid hardware address. If name + // does not specify a specific interface generate a random Node ID + // (section 4.1.6) + if name == "" { + ifname = "random" + randomBits(nodeID[:]) + return true + } + return false +} + +// NodeID returns a slice of a copy of the current Node ID, setting the Node ID +// if not already set. +func NodeID() []byte { + defer nodeMu.Unlock() + nodeMu.Lock() + if nodeID == zeroID { + setNodeInterface("") + } + nid := nodeID + return nid[:] +} + +// SetNodeID sets the Node ID to be used for Version 1 UUIDs. The first 6 bytes +// of id are used. If id is less than 6 bytes then false is returned and the +// Node ID is not set. +func SetNodeID(id []byte) bool { + if len(id) < 6 { + return false + } + defer nodeMu.Unlock() + nodeMu.Lock() + copy(nodeID[:], id) + ifname = "user" + return true +} + +// NodeID returns the 6 byte node id encoded in uuid. It returns nil if uuid is +// not valid. The NodeID is only well defined for version 1 and 2 UUIDs. +func (uuid UUID) NodeID() []byte { + var node [6]byte + copy(node[:], uuid[10:]) + return node[:] +} diff --git a/vendor/github.com/google/uuid/node_js.go b/vendor/github.com/google/uuid/node_js.go new file mode 100644 index 0000000..b2a0bc8 --- /dev/null +++ b/vendor/github.com/google/uuid/node_js.go @@ -0,0 +1,12 @@ +// Copyright 2017 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. + +// +build js + +package uuid + +// getHardwareInterface returns nil values for the JS version of the code. +// This removes the "net" dependency, because it is not used in the browser. +// Using the "net" library inflates the size of the transpiled JS code by 673k bytes. +func getHardwareInterface(name string) (string, []byte) { return "", nil } diff --git a/vendor/github.com/google/uuid/node_net.go b/vendor/github.com/google/uuid/node_net.go new file mode 100644 index 0000000..0cbbcdd --- /dev/null +++ b/vendor/github.com/google/uuid/node_net.go @@ -0,0 +1,33 @@ +// Copyright 2017 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. + +// +build !js + +package uuid + +import "net" + +var interfaces []net.Interface // cached list of interfaces + +// getHardwareInterface returns the name and hardware address of interface name. +// If name is "" then the name and hardware address of one of the system's +// interfaces is returned. If no interfaces are found (name does not exist or +// there are no interfaces) then "", nil is returned. +// +// Only addresses of at least 6 bytes are returned. +func getHardwareInterface(name string) (string, []byte) { + if interfaces == nil { + var err error + interfaces, err = net.Interfaces() + if err != nil { + return "", nil + } + } + for _, ifs := range interfaces { + if len(ifs.HardwareAddr) >= 6 && (name == "" || name == ifs.Name) { + return ifs.Name, ifs.HardwareAddr + } + } + return "", nil +} diff --git a/vendor/github.com/google/uuid/null.go b/vendor/github.com/google/uuid/null.go new file mode 100644 index 0000000..d7fcbf2 --- /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/sql.go b/vendor/github.com/google/uuid/sql.go new file mode 100644 index 0000000..2e02ec0 --- /dev/null +++ b/vendor/github.com/google/uuid/sql.go @@ -0,0 +1,59 @@ +// Copyright 2016 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 ( + "database/sql/driver" + "fmt" +) + +// Scan implements sql.Scanner so UUIDs can be read from databases transparently. +// Currently, database types that map to string and []byte are supported. Please +// consult database-specific driver documentation for matching types. +func (uuid *UUID) Scan(src interface{}) error { + switch src := src.(type) { + case nil: + return nil + + case string: + // if an empty UUID comes from a table, we return a null UUID + if src == "" { + return nil + } + + // see Parse for required string format + u, err := Parse(src) + if err != nil { + return fmt.Errorf("Scan: %v", err) + } + + *uuid = u + + case []byte: + // if an empty UUID comes from a table, we return a null UUID + if len(src) == 0 { + return nil + } + + // assumes a simple slice of bytes if 16 bytes + // otherwise attempts to parse + if len(src) != 16 { + return uuid.Scan(string(src)) + } + copy((*uuid)[:], src) + + default: + return fmt.Errorf("Scan: unable to scan type %T into UUID", src) + } + + return nil +} + +// Value implements sql.Valuer so that UUIDs can be written to databases +// transparently. Currently, UUIDs map to strings. Please consult +// database-specific driver documentation for matching types. +func (uuid UUID) Value() (driver.Value, error) { + return uuid.String(), nil +} diff --git a/vendor/github.com/google/uuid/time.go b/vendor/github.com/google/uuid/time.go new file mode 100644 index 0000000..c351129 --- /dev/null +++ b/vendor/github.com/google/uuid/time.go @@ -0,0 +1,134 @@ +// Copyright 2016 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 ( + "encoding/binary" + "sync" + "time" +) + +// A Time represents a time as the number of 100's of nanoseconds since 15 Oct +// 1582. +type Time int64 + +const ( + lillian = 2299160 // Julian day of 15 Oct 1582 + unix = 2440587 // Julian day of 1 Jan 1970 + epoch = unix - lillian // Days between epochs + g1582 = epoch * 86400 // seconds between epochs + g1582ns100 = g1582 * 10000000 // 100s of a nanoseconds between epochs +) + +var ( + timeMu sync.Mutex + lasttime uint64 // last time we returned + clockSeq uint16 // clock sequence for this run + + timeNow = time.Now // for testing +) + +// UnixTime converts t the number of seconds and nanoseconds using the Unix +// epoch of 1 Jan 1970. +func (t Time) UnixTime() (sec, nsec int64) { + sec = int64(t - g1582ns100) + nsec = (sec % 10000000) * 100 + sec /= 10000000 + return sec, nsec +} + +// GetTime returns the current Time (100s of nanoseconds since 15 Oct 1582) and +// clock sequence as well as adjusting the clock sequence as needed. An error +// is returned if the current time cannot be determined. +func GetTime() (Time, uint16, error) { + defer timeMu.Unlock() + timeMu.Lock() + return getTime() +} + +func getTime() (Time, uint16, error) { + t := timeNow() + + // If we don't have a clock sequence already, set one. + if clockSeq == 0 { + setClockSequence(-1) + } + now := uint64(t.UnixNano()/100) + g1582ns100 + + // If time has gone backwards with this clock sequence then we + // increment the clock sequence + if now <= lasttime { + clockSeq = ((clockSeq + 1) & 0x3fff) | 0x8000 + } + lasttime = now + return Time(now), clockSeq, nil +} + +// ClockSequence returns the current clock sequence, generating one if not +// already set. The clock sequence is only used for Version 1 UUIDs. +// +// The uuid package does not use global static storage for the clock sequence or +// the last time a UUID was generated. Unless SetClockSequence is used, a new +// random clock sequence is generated the first time a clock sequence is +// requested by ClockSequence, GetTime, or NewUUID. (section 4.2.1.1) +func ClockSequence() int { + defer timeMu.Unlock() + timeMu.Lock() + return clockSequence() +} + +func clockSequence() int { + if clockSeq == 0 { + setClockSequence(-1) + } + return int(clockSeq & 0x3fff) +} + +// SetClockSequence sets the clock sequence to the lower 14 bits of seq. Setting to +// -1 causes a new sequence to be generated. +func SetClockSequence(seq int) { + defer timeMu.Unlock() + timeMu.Lock() + setClockSequence(seq) +} + +func setClockSequence(seq int) { + if seq == -1 { + var b [2]byte + randomBits(b[:]) // clock sequence + seq = int(b[0])<<8 | int(b[1]) + } + oldSeq := clockSeq + clockSeq = uint16(seq&0x3fff) | 0x8000 // Set our variant + if oldSeq != clockSeq { + lasttime = 0 + } +} + +// Time returns the time in 100s of nanoseconds since 15 Oct 1582 encoded in +// uuid. The time is only defined for version 1, 2, 6 and 7 UUIDs. +func (uuid UUID) Time() Time { + var t Time + switch uuid.Version() { + case 6: + time := binary.BigEndian.Uint64(uuid[:8]) // Ignore uuid[6] version b0110 + t = Time(time) + case 7: + time := binary.BigEndian.Uint64(uuid[:8]) + t = Time((time>>16)*10000 + g1582ns100) + default: // forward compatible + time := int64(binary.BigEndian.Uint32(uuid[0:4])) + time |= int64(binary.BigEndian.Uint16(uuid[4:6])) << 32 + time |= int64(binary.BigEndian.Uint16(uuid[6:8])&0xfff) << 48 + t = Time(time) + } + return t +} + +// ClockSequence returns the clock sequence encoded in uuid. +// The clock sequence is only well defined for version 1 and 2 UUIDs. +func (uuid UUID) ClockSequence() int { + return int(binary.BigEndian.Uint16(uuid[8:10])) & 0x3fff +} diff --git a/vendor/github.com/google/uuid/util.go b/vendor/github.com/google/uuid/util.go new file mode 100644 index 0000000..5ea6c73 --- /dev/null +++ b/vendor/github.com/google/uuid/util.go @@ -0,0 +1,43 @@ +// Copyright 2016 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 ( + "io" +) + +// randomBits completely fills slice b with random data. +func randomBits(b []byte) { + if _, err := io.ReadFull(rander, b); err != nil { + panic(err.Error()) // rand should never fail + } +} + +// xvalues returns the value of a byte as a hexadecimal digit or 255. +var xvalues = [256]byte{ + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, 255, 255, 255, 255, + 255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 10, 11, 12, 13, 14, 15, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, +} + +// xtob converts hex characters x1 and x2 into a byte. +func xtob(x1, x2 byte) (byte, bool) { + b1 := xvalues[x1] + b2 := xvalues[x2] + return (b1 << 4) | b2, b1 != 255 && b2 != 255 +} diff --git a/vendor/github.com/google/uuid/uuid.go b/vendor/github.com/google/uuid/uuid.go new file mode 100644 index 0000000..5232b48 --- /dev/null +++ b/vendor/github.com/google/uuid/uuid.go @@ -0,0 +1,365 @@ +// Copyright 2018 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" + "crypto/rand" + "encoding/hex" + "errors" + "fmt" + "io" + "strings" + "sync" +) + +// A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC +// 4122. +type UUID [16]byte + +// A Version represents a UUID's version. +type Version byte + +// A Variant represents a UUID's variant. +type Variant byte + +// Constants returned by Variant. +const ( + Invalid = Variant(iota) // Invalid UUID + RFC4122 // The variant specified in RFC4122 + Reserved // Reserved, NCS backward compatibility. + Microsoft // Reserved, Microsoft Corporation backward compatibility. + Future // Reserved for future definition. +) + +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 } + +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 if it cannot be parsed. Both +// the standard UUID forms defined in RFC 4122 +// (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and +// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx) are decoded. In addition, +// Parse accepts non-standard strings such as the raw hex encoding +// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx and 38 byte "Microsoft style" encodings, +// e.g. {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}. Only the middle 36 bytes are +// examined in the latter case. Parse should not be used to validate strings as +// it parses non-standard encodings as indicated above. +func Parse(s string) (UUID, error) { + var uuid UUID + switch len(s) { + // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + case 36: + + // urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + case 36 + 9: + if !strings.EqualFold(s[:9], "urn:uuid:") { + return uuid, fmt.Errorf("invalid urn prefix: %q", s[:9]) + } + s = s[9:] + + // {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} + case 36 + 2: + s = s[1:] + + // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + case 32: + var ok bool + for i := range uuid { + uuid[i], ok = xtob(s[i*2], s[i*2+1]) + if !ok { + return uuid, errors.New("invalid UUID format") + } + } + return uuid, nil + default: + return uuid, invalidLengthError{len(s)} + } + // s is now at least 36 bytes long + // it must be of the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' { + return uuid, errors.New("invalid UUID format") + } + for i, x := range [16]int{ + 0, 2, 4, 6, + 9, 11, + 14, 16, + 19, 21, + 24, 26, 28, 30, 32, 34, + } { + v, ok := xtob(s[x], s[x+1]) + if !ok { + return uuid, errors.New("invalid UUID format") + } + uuid[i] = v + } + return uuid, nil +} + +// ParseBytes is like Parse, except it parses a byte slice instead of a string. +func ParseBytes(b []byte) (UUID, error) { + var uuid UUID + switch len(b) { + case 36: // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + case 36 + 9: // urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + if !bytes.EqualFold(b[:9], []byte("urn:uuid:")) { + return uuid, fmt.Errorf("invalid urn prefix: %q", b[:9]) + } + b = b[9:] + case 36 + 2: // {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} + b = b[1:] + case 32: // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + var ok bool + for i := 0; i < 32; i += 2 { + uuid[i/2], ok = xtob(b[i], b[i+1]) + if !ok { + return uuid, errors.New("invalid UUID format") + } + } + return uuid, nil + default: + return uuid, invalidLengthError{len(b)} + } + // s is now at least 36 bytes long + // it must be of the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + if b[8] != '-' || b[13] != '-' || b[18] != '-' || b[23] != '-' { + return uuid, errors.New("invalid UUID format") + } + for i, x := range [16]int{ + 0, 2, 4, 6, + 9, 11, + 14, 16, + 19, 21, + 24, 26, 28, 30, 32, 34, + } { + v, ok := xtob(b[x], b[x+1]) + if !ok { + return uuid, errors.New("invalid UUID format") + } + uuid[i] = v + } + return uuid, nil +} + +// MustParse is like Parse but panics if the string cannot be parsed. +// It simplifies safe initialization of global variables holding compiled UUIDs. +func MustParse(s string) UUID { + uuid, err := Parse(s) + if err != nil { + panic(`uuid: Parse(` + s + `): ` + err.Error()) + } + return uuid +} + +// FromBytes creates a new UUID from a byte slice. Returns an error if the slice +// does not have a length of 16. The bytes are copied from the slice. +func FromBytes(b []byte) (uuid UUID, err error) { + err = uuid.UnmarshalBinary(b) + return uuid, err +} + +// Must returns uuid if err is nil and panics otherwise. +func Must(uuid UUID, err error) UUID { + if err != nil { + panic(err) + } + return uuid +} + +// Validate returns an error if s is not a properly formatted UUID in one of the following formats: +// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx +// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx +// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx +// {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} +// It returns an error if the format is invalid, otherwise nil. +func Validate(s string) error { + switch len(s) { + // Standard UUID format + case 36: + + // UUID with "urn:uuid:" prefix + case 36 + 9: + if !strings.EqualFold(s[:9], "urn:uuid:") { + return fmt.Errorf("invalid urn prefix: %q", s[:9]) + } + s = s[9:] + + // UUID enclosed in braces + case 36 + 2: + if s[0] != '{' || s[len(s)-1] != '}' { + return fmt.Errorf("invalid bracketed UUID format") + } + s = s[1 : len(s)-1] + + // UUID without hyphens + case 32: + for i := 0; i < len(s); i += 2 { + _, ok := xtob(s[i], s[i+1]) + if !ok { + return errors.New("invalid UUID format") + } + } + + default: + return invalidLengthError{len(s)} + } + + // Check for standard UUID format + if len(s) == 36 { + if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' { + return errors.New("invalid UUID format") + } + for _, x := range []int{0, 2, 4, 6, 9, 11, 14, 16, 19, 21, 24, 26, 28, 30, 32, 34} { + if _, ok := xtob(s[x], s[x+1]); !ok { + return errors.New("invalid UUID format") + } + } + } + + return nil +} + +// String returns the string form of uuid, xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx +// , or "" if uuid is invalid. +func (uuid UUID) String() string { + var buf [36]byte + encodeHex(buf[:], uuid) + return string(buf[:]) +} + +// URN returns the RFC 2141 URN form of uuid, +// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, or "" if uuid is invalid. +func (uuid UUID) URN() string { + var buf [36 + 9]byte + copy(buf[:], "urn:uuid:") + encodeHex(buf[9:], uuid) + return string(buf[:]) +} + +func encodeHex(dst []byte, uuid UUID) { + hex.Encode(dst, uuid[:4]) + dst[8] = '-' + hex.Encode(dst[9:13], uuid[4:6]) + dst[13] = '-' + hex.Encode(dst[14:18], uuid[6:8]) + dst[18] = '-' + hex.Encode(dst[19:23], uuid[8:10]) + dst[23] = '-' + hex.Encode(dst[24:], uuid[10:]) +} + +// Variant returns the variant encoded in uuid. +func (uuid UUID) Variant() Variant { + switch { + case (uuid[8] & 0xc0) == 0x80: + return RFC4122 + case (uuid[8] & 0xe0) == 0xc0: + return Microsoft + case (uuid[8] & 0xe0) == 0xe0: + return Future + default: + return Reserved + } +} + +// Version returns the version of uuid. +func (uuid UUID) Version() Version { + return Version(uuid[6] >> 4) +} + +func (v Version) String() string { + if v > 15 { + return fmt.Sprintf("BAD_VERSION_%d", v) + } + return fmt.Sprintf("VERSION_%d", v) +} + +func (v Variant) String() string { + switch v { + case RFC4122: + return "RFC4122" + case Reserved: + return "Reserved" + case Microsoft: + return "Microsoft" + case Future: + return "Future" + case Invalid: + return "Invalid" + } + return fmt.Sprintf("BadVariant%d", int(v)) +} + +// SetRand sets the random number generator to r, which implements io.Reader. +// If r.Read returns an error when the package requests random data then +// a panic will be issued. +// +// Calling SetRand with nil sets the random number generator to the default +// generator. +func SetRand(r io.Reader) { + if r == nil { + rander = rand.Reader + return + } + 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 +} + +// UUIDs is a slice of UUID types. +type UUIDs []UUID + +// Strings returns a string slice containing the string form of each UUID in uuids. +func (uuids UUIDs) Strings() []string { + var uuidStrs = make([]string, len(uuids)) + for i, uuid := range uuids { + uuidStrs[i] = uuid.String() + } + return uuidStrs +} diff --git a/vendor/github.com/google/uuid/version1.go b/vendor/github.com/google/uuid/version1.go new file mode 100644 index 0000000..4631096 --- /dev/null +++ b/vendor/github.com/google/uuid/version1.go @@ -0,0 +1,44 @@ +// Copyright 2016 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 ( + "encoding/binary" +) + +// NewUUID returns a Version 1 UUID based on the current NodeID and clock +// sequence, and the current time. If the NodeID has not been set by SetNodeID +// or SetNodeInterface then it will be set automatically. If the NodeID cannot +// be set NewUUID returns nil. If clock sequence has not been set by +// SetClockSequence then it will be set automatically. If GetTime fails to +// return the current NewUUID returns nil and an error. +// +// In most cases, New should be used. +func NewUUID() (UUID, error) { + var uuid UUID + now, seq, err := GetTime() + if err != nil { + return uuid, err + } + + timeLow := uint32(now & 0xffffffff) + timeMid := uint16((now >> 32) & 0xffff) + timeHi := uint16((now >> 48) & 0x0fff) + timeHi |= 0x1000 // Version 1 + + binary.BigEndian.PutUint32(uuid[0:], timeLow) + binary.BigEndian.PutUint16(uuid[4:], timeMid) + binary.BigEndian.PutUint16(uuid[6:], timeHi) + binary.BigEndian.PutUint16(uuid[8:], seq) + + nodeMu.Lock() + if nodeID == zeroID { + setNodeInterface("") + } + copy(uuid[10:], nodeID[:]) + nodeMu.Unlock() + + return uuid, nil +} diff --git a/vendor/github.com/google/uuid/version4.go b/vendor/github.com/google/uuid/version4.go new file mode 100644 index 0000000..7697802 --- /dev/null +++ b/vendor/github.com/google/uuid/version4.go @@ -0,0 +1,76 @@ +// Copyright 2016 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 "io" + +// New creates a new random UUID or panics. New is equivalent to +// the expression +// +// uuid.Must(uuid.NewRandom()) +func New() UUID { + return Must(NewRandom()) +} + +// NewString creates a new random UUID and returns it as a string or panics. +// NewString is equivalent to the expression +// +// uuid.New().String() +func NewString() string { + return Must(NewRandom()).String() +} + +// NewRandom returns a Random (Version 4) UUID. +// +// 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 +// hit by a meteorite is estimated to be one chance in 17 billion, that +// means the probability is about 0.00000000006 (6 × 10−11), +// equivalent to the odds of creating a few tens of trillions of UUIDs in a +// year and having one duplicate. +func NewRandom() (UUID, error) { + if !poolEnabled { + return NewRandomFromReader(rander) + } + return newRandomFromPool() +} + +// NewRandomFromReader returns a UUID based on bytes read from a given io.Reader. +func NewRandomFromReader(r io.Reader) (UUID, error) { + var uuid UUID + _, err := io.ReadFull(r, uuid[:]) + if err != nil { + return Nil, err + } + uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4 + 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/github.com/google/uuid/version6.go b/vendor/github.com/google/uuid/version6.go new file mode 100644 index 0000000..339a959 --- /dev/null +++ b/vendor/github.com/google/uuid/version6.go @@ -0,0 +1,56 @@ +// Copyright 2023 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 "encoding/binary" + +// UUID version 6 is a field-compatible version of UUIDv1, reordered for improved DB locality. +// It is expected that UUIDv6 will primarily be used in contexts where there are existing v1 UUIDs. +// Systems that do not involve legacy UUIDv1 SHOULD consider using UUIDv7 instead. +// +// see https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-03#uuidv6 +// +// NewV6 returns a Version 6 UUID based on the current NodeID and clock +// sequence, and the current time. If the NodeID has not been set by SetNodeID +// or SetNodeInterface then it will be set automatically. If the NodeID cannot +// be set NewV6 set NodeID is random bits automatically . If clock sequence has not been set by +// SetClockSequence then it will be set automatically. If GetTime fails to +// return the current NewV6 returns Nil and an error. +func NewV6() (UUID, error) { + var uuid UUID + now, seq, err := GetTime() + if err != nil { + return uuid, err + } + + /* + 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | time_high | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | time_mid | time_low_and_version | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + |clk_seq_hi_res | clk_seq_low | node (0-1) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | node (2-5) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + binary.BigEndian.PutUint64(uuid[0:], uint64(now)) + binary.BigEndian.PutUint16(uuid[8:], seq) + + uuid[6] = 0x60 | (uuid[6] & 0x0F) + uuid[8] = 0x80 | (uuid[8] & 0x3F) + + nodeMu.Lock() + if nodeID == zeroID { + setNodeInterface("") + } + copy(uuid[10:], nodeID[:]) + nodeMu.Unlock() + + return uuid, nil +} diff --git a/vendor/github.com/google/uuid/version7.go b/vendor/github.com/google/uuid/version7.go new file mode 100644 index 0000000..3167b64 --- /dev/null +++ b/vendor/github.com/google/uuid/version7.go @@ -0,0 +1,104 @@ +// Copyright 2023 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 ( + "io" +) + +// UUID version 7 features a time-ordered value field derived from the widely +// implemented and well known Unix Epoch timestamp source, +// the number of milliseconds seconds since midnight 1 Jan 1970 UTC, leap seconds excluded. +// As well as improved entropy characteristics over versions 1 or 6. +// +// see https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-03#name-uuid-version-7 +// +// Implementations SHOULD utilize UUID version 7 over UUID version 1 and 6 if possible. +// +// NewV7 returns a Version 7 UUID based on the current time(Unix Epoch). +// Uses the randomness pool if it was enabled with EnableRandPool. +// On error, NewV7 returns Nil and an error +func NewV7() (UUID, error) { + uuid, err := NewRandom() + if err != nil { + return uuid, err + } + makeV7(uuid[:]) + return uuid, nil +} + +// NewV7FromReader returns a Version 7 UUID based on the current time(Unix Epoch). +// it use NewRandomFromReader fill random bits. +// On error, NewV7FromReader returns Nil and an error. +func NewV7FromReader(r io.Reader) (UUID, error) { + uuid, err := NewRandomFromReader(r) + if err != nil { + return uuid, err + } + + makeV7(uuid[:]) + return uuid, nil +} + +// makeV7 fill 48 bits time (uuid[0] - uuid[5]), set version b0111 (uuid[6]) +// uuid[8] already has the right version number (Variant is 10) +// see function NewV7 and NewV7FromReader +func makeV7(uuid []byte) { + /* + 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | unix_ts_ms | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | unix_ts_ms | ver | rand_a (12 bit seq) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + |var| rand_b | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | rand_b | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + _ = uuid[15] // bounds check + + t, s := getV7Time() + + uuid[0] = byte(t >> 40) + uuid[1] = byte(t >> 32) + uuid[2] = byte(t >> 24) + uuid[3] = byte(t >> 16) + uuid[4] = byte(t >> 8) + uuid[5] = byte(t) + + uuid[6] = 0x70 | (0x0F & byte(s>>8)) + uuid[7] = byte(s) +} + +// lastV7time is the last time we returned stored as: +// +// 52 bits of time in milliseconds since epoch +// 12 bits of (fractional nanoseconds) >> 8 +var lastV7time int64 + +const nanoPerMilli = 1000000 + +// getV7Time returns the time in milliseconds and nanoseconds / 256. +// The returned (milli << 12 + seq) is guarenteed to be greater than +// (milli << 12 + seq) returned by any previous call to getV7Time. +func getV7Time() (milli, seq int64) { + timeMu.Lock() + defer timeMu.Unlock() + + nano := timeNow().UnixNano() + milli = nano / nanoPerMilli + // Sequence number is between 0 and 3906 (nanoPerMilli>>8) + seq = (nano - milli*nanoPerMilli) >> 8 + now := milli<<12 + seq + if now <= lastV7time { + now = lastV7time + 1 + milli = now >> 12 + seq = now & 0xfff + } + lastV7time = now + return milli, seq +} -- cgit 1.4.1