From 5ac07c795ffca586a891b57b1a05a31ff0b3178c Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Wed, 20 Mar 2019 18:52:19 +0100 Subject: [PATCH] bump docker/licensing to 9781369abdb5281cdc07a2a446c6df01347ec793 Signed-off-by: Sebastiaan van Stijn --- vendor.conf | 4 +- .../docker/licensing/lib/go-auth/jwt/jwt.go | 4 +- .../docker/licensing/model/subscriptions.go | 16 +- vendor/github.com/docker/licensing/storage.go | 12 +- .../docker/licensing/types/types.go | 17 + vendor/github.com/google/uuid/LICENSE | 27 ++ vendor/github.com/google/uuid/README.md | 19 + vendor/github.com/google/uuid/dce.go | 80 ++++ vendor/github.com/google/uuid/doc.go | 12 + vendor/github.com/google/uuid/hash.go | 53 +++ vendor/github.com/google/uuid/marshal.go | 37 ++ 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/sql.go | 59 +++ vendor/github.com/google/uuid/time.go | 123 +++++ vendor/github.com/google/uuid/util.go | 43 ++ vendor/github.com/google/uuid/uuid.go | 245 ++++++++++ vendor/github.com/google/uuid/version1.go | 44 ++ vendor/github.com/google/uuid/version4.go | 38 ++ vendor/github.com/satori/go.uuid/LICENSE | 20 - vendor/github.com/satori/go.uuid/README.md | 66 --- vendor/github.com/satori/go.uuid/uuid.go | 435 ------------------ 23 files changed, 951 insertions(+), 538 deletions(-) create mode 100644 vendor/github.com/docker/licensing/types/types.go 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/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 delete mode 100644 vendor/github.com/satori/go.uuid/LICENSE delete mode 100644 vendor/github.com/satori/go.uuid/README.md delete mode 100644 vendor/github.com/satori/go.uuid/uuid.go diff --git a/vendor.conf b/vendor.conf index e4ceaff96d..e1976b78ea 100755 --- a/vendor.conf +++ b/vendor.conf @@ -24,7 +24,7 @@ github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9 github.com/docker/go-metrics d466d4f6fd960e01820085bd7e1a24426ee7ef18 github.com/docker/go-units 47565b4f722fb6ceae66b95f853feed578a4a51c # v0.3.3 github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a -github.com/docker/licensing 1c117a1720cb413dd6a101d36a6c567b1ccb90fe +github.com/docker/licensing 9781369abdb5281cdc07a2a446c6df01347ec793 github.com/docker/swarmkit 415dc72789e2b733ea884f09188c286ca187d8ec github.com/flynn-archive/go-shlex 3f9db97f856818214da2e1057f8ad84803971cff github.com/ghodss/yaml 0ca9ea5df5451ffdf184b4428c902747c2c11cd7 # v1.0.0 @@ -36,6 +36,7 @@ github.com/google/btree e89373fe6b4a7413d7acd6da1725b83ef713e6e4 github.com/google/go-cmp v0.2.0 github.com/google/gofuzz 24818f796faf91cd76ec7bddd72458fbced7a6c1 github.com/google/shlex 6f45313302b9c56850fc17f99e40caebce98c716 +github.com/google/uuid v1.1.1 github.com/googleapis/gnostic 7c663266750e7d82587642f65e60bc4083f1f84e # v0.2.0 github.com/gorilla/mux v1.7.0 github.com/gregjones/httpcache 9cad4c3443a7200dd6400aef47183728de563a38 @@ -68,7 +69,6 @@ github.com/prometheus/client_model 6f3806018612930941127f2a7c6c453ba2c527d2 github.com/prometheus/common 7600349dcfe1abd18d72d3a1770870d9800a7801 github.com/prometheus/procfs 7d6f385de8bea29190f15ba9931442a0eaef9af7 github.com/russross/blackfriday 1d6b8e9301e720b08a8938b8c25c018285885438 -github.com/satori/go.uuid d41af8bb6a7704f00bc3b7cba9355ae6a5a80048 github.com/shurcooL/sanitized_anchor_name 10ef21a441db47d8b13ebcc5fd2310f636973c77 github.com/sirupsen/logrus v1.0.6 github.com/spf13/cobra v0.0.3 diff --git a/vendor/github.com/docker/licensing/lib/go-auth/jwt/jwt.go b/vendor/github.com/docker/licensing/lib/go-auth/jwt/jwt.go index c696df27db..930afbe7ee 100644 --- a/vendor/github.com/docker/licensing/lib/go-auth/jwt/jwt.go +++ b/vendor/github.com/docker/licensing/lib/go-auth/jwt/jwt.go @@ -10,7 +10,7 @@ import ( "github.com/dgrijalva/jwt-go" "github.com/docker/licensing/lib/go-auth/identity" - "github.com/satori/go.uuid" + "github.com/google/uuid" ) const ( @@ -100,7 +100,7 @@ func Encode(identity identity.DockerIdentity, options EncodeOptions) (string, er jtiStr := options.Jti if len(jtiStr) == 0 { - jtiStr = "jti-" + uuid.NewV4().String() + jtiStr = "jti-" + uuid.New().String() } token.Claims[jti] = jtiStr diff --git a/vendor/github.com/docker/licensing/model/subscriptions.go b/vendor/github.com/docker/licensing/model/subscriptions.go index 95dadb8d48..a5ad8d85fb 100644 --- a/vendor/github.com/docker/licensing/model/subscriptions.go +++ b/vendor/github.com/docker/licensing/model/subscriptions.go @@ -2,11 +2,11 @@ package model import ( "fmt" + "strings" "time" - "strings" - validation "github.com/docker/licensing/lib/go-validation" + "github.com/docker/licensing/types" ) // PricingComponents represents a collection of pricing components @@ -37,20 +37,20 @@ func (s *Subscription) String() string { storeURL := "https://docker.com/licensing" var nameMsg, expirationMsg, statusMsg string - switch s.State { - case "cancelled": + switch types.State(s.State) { + case types.Cancelled: statusMsg = fmt.Sprintf("\tCancelled! You will no longer receive updates. To purchase go to %s", storeURL) expirationMsg = fmt.Sprintf("Expiration date: %s", s.Expires.Format("2006-01-02")) - case "expired": + case types.Expired: statusMsg = fmt.Sprintf("\tExpired! You will no longer receive updates. Please renew at %s", storeURL) expirationMsg = fmt.Sprintf("Expiration date: %s", s.Expires.Format("2006-01-02")) - case "preparing": + case types.Preparing: statusMsg = "\tYour subscription has not yet begun" expirationMsg = fmt.Sprintf("Activation date: %s", s.Start.Format("2006-01-02")) - case "failed": + case types.Failed: statusMsg = "\tOops, this subscription did not get setup properly!" expirationMsg = "" - case "active": + case types.Active: statusMsg = "\tLicense is currently active" expirationMsg = fmt.Sprintf("Expiration date: %s", s.Expires.Format("2006-01-02")) default: diff --git a/vendor/github.com/docker/licensing/storage.go b/vendor/github.com/docker/licensing/storage.go index 0358fad521..3f8a49d2d4 100644 --- a/vendor/github.com/docker/licensing/storage.go +++ b/vendor/github.com/docker/licensing/storage.go @@ -11,11 +11,10 @@ import ( "strings" "time" - "github.com/docker/licensing/model" - "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/filters" "github.com/docker/docker/api/types/swarm" + "github.com/docker/licensing/model" ) var ( @@ -88,11 +87,14 @@ func (c *client) LoadLocalLicense(ctx context.Context, clnt WrappedDockerClient) } else { // Load the latest license index var latestVersion int + + // check if node is swarm manager + if !info.Swarm.ControlAvailable { + return nil, ErrWorkerNode + } + latestVersion, err = getLatestNamedConfig(clnt, licenseNamePrefix) if err != nil { - if strings.Contains(err.Error(), "not a swarm manager.") { - return nil, ErrWorkerNode - } return nil, fmt.Errorf("unable to get latest license version: %s", err) } if latestVersion >= 0 { diff --git a/vendor/github.com/docker/licensing/types/types.go b/vendor/github.com/docker/licensing/types/types.go new file mode 100644 index 0000000000..fbf497021b --- /dev/null +++ b/vendor/github.com/docker/licensing/types/types.go @@ -0,0 +1,17 @@ +package types + +// State represents a given subscription's current status +type State string + +const ( + // Active means a subscription is currently in a working, live state + Active State = "active" + // Expired means a subscription's end date is in the past + Expired State = "expired" + // Cancelled means the subscription has been cancelled + Cancelled State = "cancelled" + // Preparing means that the subscription's payment (if any) is being still processed + Preparing State = "preparing" + // Failed means that there was a problem creating the subscription + Failed State = "failed" +) diff --git a/vendor/github.com/google/uuid/LICENSE b/vendor/github.com/google/uuid/LICENSE new file mode 100644 index 0000000000..5dc68268d9 --- /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 0000000000..9d92c11f16 --- /dev/null +++ b/vendor/github.com/google/uuid/README.md @@ -0,0 +1,19 @@ +# uuid ![build status](https://travis-ci.org/google/uuid.svg?branch=master) +The uuid package generates and inspects UUIDs based on +[RFC 4122](http://tools.ietf.org/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 +`go get github.com/google/uuid` + +###### Documentation +[![GoDoc](https://godoc.org/github.com/google/uuid?status.svg)](http://godoc.org/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://godoc.org/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 0000000000..fa820b9d30 --- /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 0000000000..5b8a4b9af8 --- /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 0000000000..b174616315 --- /dev/null +++ b/vendor/github.com/google/uuid/hash.go @@ -0,0 +1,53 @@ +// 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 +) + +// 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[:]) + h.Write(data) + 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 0000000000..7f9e0c6c0e --- /dev/null +++ b/vendor/github.com/google/uuid/marshal.go @@ -0,0 +1,37 @@ +// 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 { + *uuid = id + } + return err +} + +// 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 0000000000..d651a2b061 --- /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 0000000000..24b78edc90 --- /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 remvoves 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 0000000000..0cbbcddbd6 --- /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/sql.go b/vendor/github.com/google/uuid/sql.go new file mode 100644 index 0000000000..f326b54db3 --- /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 0000000000..e6ef06cdc8 --- /dev/null +++ b/vendor/github.com/google/uuid/time.go @@ -0,0 +1,123 @@ +// 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 and 2 UUIDs. +func (uuid UUID) Time() Time { + 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 + return Time(time) +} + +// 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 0000000000..5ea6c73780 --- /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 0000000000..524404cc52 --- /dev/null +++ b/vendor/github.com/google/uuid/uuid.go @@ -0,0 +1,245 @@ +// 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" +) + +// 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. +) + +var rander = rand.Reader // random function + +// 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 +// Microsoft encoding {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} and the raw hex +// encoding: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx. +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.ToLower(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, fmt.Errorf("invalid UUID length: %d", 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.Equal(bytes.ToLower(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, fmt.Errorf("invalid UUID length: %d", 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 +} + +// 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 +} diff --git a/vendor/github.com/google/uuid/version1.go b/vendor/github.com/google/uuid/version1.go new file mode 100644 index 0000000000..199a1ac654 --- /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) { + nodeMu.Lock() + if nodeID == zeroID { + setNodeInterface("") + } + nodeMu.Unlock() + + 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) + copy(uuid[10:], nodeID[:]) + + 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 0000000000..84af91c9f5 --- /dev/null +++ b/vendor/github.com/google/uuid/version4.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 "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()) +} + +// NewRandom returns a Random (Version 4) UUID. +// +// The strength of the UUIDs is based on the strength of the crypto/rand +// package. +// +// 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) { + var uuid UUID + _, err := io.ReadFull(rander, 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 +} diff --git a/vendor/github.com/satori/go.uuid/LICENSE b/vendor/github.com/satori/go.uuid/LICENSE deleted file mode 100644 index 6a1fb910dd..0000000000 --- a/vendor/github.com/satori/go.uuid/LICENSE +++ /dev/null @@ -1,20 +0,0 @@ -Copyright (C) 2013-2015 by Maxim Bublis - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/vendor/github.com/satori/go.uuid/README.md b/vendor/github.com/satori/go.uuid/README.md deleted file mode 100644 index 48d4937f43..0000000000 --- a/vendor/github.com/satori/go.uuid/README.md +++ /dev/null @@ -1,66 +0,0 @@ -# UUID package for Go language - -[![Build Status](https://travis-ci.org/satori/go.uuid.png?branch=master)](https://travis-ci.org/satori/go.uuid) -[![GoDoc](http://godoc.org/github.com/satori/go.uuid?status.png)](http://godoc.org/github.com/satori/go.uuid) - -This package provides pure Go implementation of Universally Unique Identifier (UUID). Supported both creation and parsing of UUIDs. - -With 100% test coverage and benchmarks out of box. - -Supported versions: -* Version 1, based on timestamp and MAC address (RFC 4122) -* Version 2, based on timestamp, MAC address and POSIX UID/GID (DCE 1.1) -* Version 3, based on MD5 hashing (RFC 4122) -* Version 4, based on random numbers (RFC 4122) -* Version 5, based on SHA-1 hashing (RFC 4122) - -## Installation - -Use the `go` command: - - $ go get github.com/satori/go.uuid - -## Requirements - -UUID package requires any stable version of Go Programming Language. - -It is tested against following versions of Go: 1.0-1.5 - -## Example - -```go -package main - -import ( - "fmt" - "github.com/satori/go.uuid" -) - -func main() { - // Creating UUID Version 4 - u1 := uuid.NewV4() - fmt.Printf("UUIDv4: %s\n", u1) - - // Parsing UUID from string input - u2, err := uuid.FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8") - if err != nil { - fmt.Printf("Something gone wrong: %s", err) - } - fmt.Printf("Successfully parsed: %s", u2) -} -``` - -## Documentation - -[Documentation](http://godoc.org/github.com/satori/go.uuid) is hosted at GoDoc project. - -## Links -* [RFC 4122](http://tools.ietf.org/html/rfc4122) -* [DCE 1.1: Authentication and Security Services](http://pubs.opengroup.org/onlinepubs/9696989899/chap5.htm#tagcjh_08_02_01_01) - -## Copyright - -Copyright (C) 2013-2015 by Maxim Bublis . - -UUID package released under MIT License. -See [LICENSE](https://github.com/satori/go.uuid/blob/master/LICENSE) for details. diff --git a/vendor/github.com/satori/go.uuid/uuid.go b/vendor/github.com/satori/go.uuid/uuid.go deleted file mode 100644 index 03841d86e0..0000000000 --- a/vendor/github.com/satori/go.uuid/uuid.go +++ /dev/null @@ -1,435 +0,0 @@ -// Copyright (C) 2013-2015 by Maxim Bublis -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -// Package uuid provides implementation of Universally Unique Identifier (UUID). -// Supported versions are 1, 3, 4 and 5 (as specified in RFC 4122) and -// version 2 (as specified in DCE 1.1). -package uuid - -import ( - "bytes" - "crypto/md5" - "crypto/rand" - "crypto/sha1" - "database/sql/driver" - "encoding/binary" - "encoding/hex" - "fmt" - "hash" - "net" - "os" - "sync" - "time" -) - -// UUID layout variants. -const ( - VariantNCS = iota - VariantRFC4122 - VariantMicrosoft - VariantFuture -) - -// UUID DCE domains. -const ( - DomainPerson = iota - DomainGroup - DomainOrg -) - -// Difference in 100-nanosecond intervals between -// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970). -const epochStart = 122192928000000000 - -// Used in string method conversion -const dash byte = '-' - -// UUID v1/v2 storage. -var ( - storageMutex sync.Mutex - storageOnce sync.Once - epochFunc = unixTimeFunc - clockSequence uint16 - lastTime uint64 - hardwareAddr [6]byte - posixUID = uint32(os.Getuid()) - posixGID = uint32(os.Getgid()) -) - -// String parse helpers. -var ( - urnPrefix = []byte("urn:uuid:") - byteGroups = []int{8, 4, 4, 4, 12} -) - -func initClockSequence() { - buf := make([]byte, 2) - safeRandom(buf) - clockSequence = binary.BigEndian.Uint16(buf) -} - -func initHardwareAddr() { - interfaces, err := net.Interfaces() - if err == nil { - for _, iface := range interfaces { - if len(iface.HardwareAddr) >= 6 { - copy(hardwareAddr[:], iface.HardwareAddr) - return - } - } - } - - // Initialize hardwareAddr randomly in case - // of real network interfaces absence - safeRandom(hardwareAddr[:]) - - // Set multicast bit as recommended in RFC 4122 - hardwareAddr[0] |= 0x01 -} - -func initStorage() { - initClockSequence() - initHardwareAddr() -} - -func safeRandom(dest []byte) { - if _, err := rand.Read(dest); err != nil { - panic(err) - } -} - -// Returns difference in 100-nanosecond intervals between -// UUID epoch (October 15, 1582) and current time. -// This is default epoch calculation function. -func unixTimeFunc() uint64 { - return epochStart + uint64(time.Now().UnixNano()/100) -} - -// UUID representation compliant with specification -// described in RFC 4122. -type UUID [16]byte - -// The nil UUID is special form of UUID that is specified to have all -// 128 bits set to zero. -var Nil = UUID{} - -// Predefined namespace UUIDs. -var ( - NamespaceDNS, _ = FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8") - NamespaceURL, _ = FromString("6ba7b811-9dad-11d1-80b4-00c04fd430c8") - NamespaceOID, _ = FromString("6ba7b812-9dad-11d1-80b4-00c04fd430c8") - NamespaceX500, _ = FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8") -) - -// And returns result of binary AND of two UUIDs. -func And(u1 UUID, u2 UUID) UUID { - u := UUID{} - for i := 0; i < 16; i++ { - u[i] = u1[i] & u2[i] - } - return u -} - -// Or returns result of binary OR of two UUIDs. -func Or(u1 UUID, u2 UUID) UUID { - u := UUID{} - for i := 0; i < 16; i++ { - u[i] = u1[i] | u2[i] - } - return u -} - -// Equal returns true if u1 and u2 equals, otherwise returns false. -func Equal(u1 UUID, u2 UUID) bool { - return bytes.Equal(u1[:], u2[:]) -} - -// Version returns algorithm version used to generate UUID. -func (u UUID) Version() uint { - return uint(u[6] >> 4) -} - -// Variant returns UUID layout variant. -func (u UUID) Variant() uint { - switch { - case (u[8] & 0x80) == 0x00: - return VariantNCS - case (u[8]&0xc0)|0x80 == 0x80: - return VariantRFC4122 - case (u[8]&0xe0)|0xc0 == 0xc0: - return VariantMicrosoft - } - return VariantFuture -} - -// Bytes returns bytes slice representation of UUID. -func (u UUID) Bytes() []byte { - return u[:] -} - -// Returns canonical string representation of UUID: -// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. -func (u UUID) String() string { - buf := make([]byte, 36) - - hex.Encode(buf[0:8], u[0:4]) - buf[8] = dash - hex.Encode(buf[9:13], u[4:6]) - buf[13] = dash - hex.Encode(buf[14:18], u[6:8]) - buf[18] = dash - hex.Encode(buf[19:23], u[8:10]) - buf[23] = dash - hex.Encode(buf[24:], u[10:]) - - return string(buf) -} - -// SetVersion sets version bits. -func (u *UUID) SetVersion(v byte) { - u[6] = (u[6] & 0x0f) | (v << 4) -} - -// SetVariant sets variant bits as described in RFC 4122. -func (u *UUID) SetVariant() { - u[8] = (u[8] & 0xbf) | 0x80 -} - -// MarshalText implements the encoding.TextMarshaler interface. -// The encoding is the same as returned by String. -func (u UUID) MarshalText() (text []byte, err error) { - text = []byte(u.String()) - return -} - -// UnmarshalText implements the encoding.TextUnmarshaler interface. -// Following formats are supported: -// "6ba7b810-9dad-11d1-80b4-00c04fd430c8", -// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}", -// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" -func (u *UUID) UnmarshalText(text []byte) (err error) { - if len(text) < 32 { - err = fmt.Errorf("uuid: invalid UUID string: %s", text) - return - } - - if bytes.Equal(text[:9], urnPrefix) { - text = text[9:] - } else if text[0] == '{' { - text = text[1:] - } - - b := u[:] - - for _, byteGroup := range byteGroups { - if text[0] == '-' { - text = text[1:] - } - - _, err = hex.Decode(b[:byteGroup/2], text[:byteGroup]) - - if err != nil { - return - } - - text = text[byteGroup:] - b = b[byteGroup/2:] - } - - return -} - -// MarshalBinary implements the encoding.BinaryMarshaler interface. -func (u UUID) MarshalBinary() (data []byte, err error) { - data = u.Bytes() - return -} - -// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface. -// It will return error if the slice isn't 16 bytes long. -func (u *UUID) UnmarshalBinary(data []byte) (err error) { - if len(data) != 16 { - err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data)) - return - } - copy(u[:], data) - - return -} - -// Value implements the driver.Valuer interface. -func (u UUID) Value() (driver.Value, error) { - return u.String(), nil -} - -// Scan implements the sql.Scanner interface. -// A 16-byte slice is handled by UnmarshalBinary, while -// a longer byte slice or a string is handled by UnmarshalText. -func (u *UUID) Scan(src interface{}) error { - switch src := src.(type) { - case []byte: - if len(src) == 16 { - return u.UnmarshalBinary(src) - } - return u.UnmarshalText(src) - - case string: - return u.UnmarshalText([]byte(src)) - } - - return fmt.Errorf("uuid: cannot convert %T to UUID", src) -} - -// FromBytes returns UUID converted from raw byte slice input. -// It will return error if the slice isn't 16 bytes long. -func FromBytes(input []byte) (u UUID, err error) { - err = u.UnmarshalBinary(input) - return -} - -// FromBytesOrNil returns UUID converted from raw byte slice input. -// Same behavior as FromBytes, but returns a Nil UUID on error. -func FromBytesOrNil(input []byte) UUID { - uuid, err := FromBytes(input) - if err != nil { - return Nil - } - return uuid -} - -// FromString returns UUID parsed from string input. -// Input is expected in a form accepted by UnmarshalText. -func FromString(input string) (u UUID, err error) { - err = u.UnmarshalText([]byte(input)) - return -} - -// FromStringOrNil returns UUID parsed from string input. -// Same behavior as FromString, but returns a Nil UUID on error. -func FromStringOrNil(input string) UUID { - uuid, err := FromString(input) - if err != nil { - return Nil - } - return uuid -} - -// Returns UUID v1/v2 storage state. -// Returns epoch timestamp, clock sequence, and hardware address. -func getStorage() (uint64, uint16, []byte) { - storageOnce.Do(initStorage) - - storageMutex.Lock() - defer storageMutex.Unlock() - - timeNow := epochFunc() - // Clock changed backwards since last UUID generation. - // Should increase clock sequence. - if timeNow <= lastTime { - clockSequence++ - } - lastTime = timeNow - - return timeNow, clockSequence, hardwareAddr[:] -} - -// NewV1 returns UUID based on current timestamp and MAC address. -func NewV1() UUID { - u := UUID{} - - timeNow, clockSeq, hardwareAddr := getStorage() - - binary.BigEndian.PutUint32(u[0:], uint32(timeNow)) - binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32)) - binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48)) - binary.BigEndian.PutUint16(u[8:], clockSeq) - - copy(u[10:], hardwareAddr) - - u.SetVersion(1) - u.SetVariant() - - return u -} - -// NewV2 returns DCE Security UUID based on POSIX UID/GID. -func NewV2(domain byte) UUID { - u := UUID{} - - timeNow, clockSeq, hardwareAddr := getStorage() - - switch domain { - case DomainPerson: - binary.BigEndian.PutUint32(u[0:], posixUID) - case DomainGroup: - binary.BigEndian.PutUint32(u[0:], posixGID) - } - - binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32)) - binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48)) - binary.BigEndian.PutUint16(u[8:], clockSeq) - u[9] = domain - - copy(u[10:], hardwareAddr) - - u.SetVersion(2) - u.SetVariant() - - return u -} - -// NewV3 returns UUID based on MD5 hash of namespace UUID and name. -func NewV3(ns UUID, name string) UUID { - u := newFromHash(md5.New(), ns, name) - u.SetVersion(3) - u.SetVariant() - - return u -} - -// NewV4 returns random generated UUID. -func NewV4() UUID { - u := UUID{} - safeRandom(u[:]) - u.SetVersion(4) - u.SetVariant() - - return u -} - -// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name. -func NewV5(ns UUID, name string) UUID { - u := newFromHash(sha1.New(), ns, name) - u.SetVersion(5) - u.SetVariant() - - return u -} - -// Returns UUID based on hashing of namespace UUID and name. -func newFromHash(h hash.Hash, ns UUID, name string) UUID { - u := UUID{} - h.Write(ns[:]) - h.Write([]byte(name)) - copy(u[:], h.Sum(nil)) - - return u -}