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cmd/identicond: make / redirect to a random identicon

This commit is contained in:
Cadey Ratio 2017-12-29 18:41:48 -05:00
parent c4dd8b7592
commit afaa583f6f
15 changed files with 1087 additions and 1 deletions
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8
Gopkg.lock generated
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@ -7,6 +7,12 @@
revision = "466e05b2ef3e48ce08a367b6aaac09ee29a124e5"
version = "v0.1"
[[projects]]
branch = "master"
name = "github.com/Xe/uuid"
packages = ["."]
revision = "62b230097e9c9534ca2074782b25d738c4b68964"
[[projects]]
name = "github.com/fogleman/gg"
packages = ["."]
@ -64,6 +70,6 @@
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "00d95a58026c595436556f0e477e217c30d776fbe877404204d1c8b51e956677"
inputs-digest = "a83afbf9b22ec8d0f0780606157dfcfb07b729317bf19057626ff0fdd20ae1cf"
solver-name = "gps-cdcl"
solver-version = 1

6
cmd/identicond/main.go
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@ -8,6 +8,7 @@ import (
"github.com/Xe/ln"
"github.com/Xe/ln/ex"
"github.com/Xe/uuid"
"github.com/golang/groupcache"
qidenticon "github.com/jakobvarmose/go-qidenticon"
chi "gopkg.in/chi.v3"
@ -36,6 +37,11 @@ func main() {
r := chi.NewRouter()
r.Use(ex.HTTPLog)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/"+uuid.New(), http.StatusTemporaryRedirect)
})
r.Get("/{hash}", func(w http.ResponseWriter, r *http.Request) {
var bs []byte
sink := groupcache.AllocatingByteSliceSink(&bs)

2
vendor/github.com/Xe/uuid/CONTRIBUTORS generated vendored Normal file
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@ -0,0 +1,2 @@
Paul Borman <borman@google.com>
Christine Dodrill <xena@yolo-swag.com>

27
vendor/github.com/Xe/uuid/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 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.

5
vendor/github.com/Xe/uuid/README.md generated vendored Normal file
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@ -0,0 +1,5 @@
go-uuid
=======
code.google.com is going away and I use this library a lot. It used to live at
https://code.google.com/p/go-uuid/ but now I take care of it.

84
vendor/github.com/Xe/uuid/dce.go generated vendored Normal file
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@ -0,0 +1,84 @@
// Copyright 2011 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 {
uuid := NewUUID()
if uuid != nil {
uuid[6] = (uuid[6] & 0x0f) | 0x20 // Version 2
uuid[9] = byte(domain)
binary.BigEndian.PutUint32(uuid[0:], id)
}
return uuid
}
// NewDCEPerson returns a DCE Security (Version 2) UUID in the person
// domain with the id returned by os.Getuid.
//
// NewDCEPerson(Person, uint32(os.Getuid()))
func NewDCEPerson() UUID {
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.
//
// NewDCEGroup(Group, uint32(os.Getgid()))
func NewDCEGroup() UUID {
return NewDCESecurity(Group, uint32(os.Getgid()))
}
// Domain returns the domain for a Version 2 UUID or false.
func (uuid UUID) Domain() (Domain, bool) {
if v, _ := uuid.Version(); v != 2 {
return 0, false
}
return Domain(uuid[9]), true
}
// Id returns the id for a Version 2 UUID or false.
func (uuid UUID) Id() (uint32, bool) {
if v, _ := uuid.Version(); v != 2 {
return 0, false
}
return binary.BigEndian.Uint32(uuid[0:4]), true
}
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))
}

8
vendor/github.com/Xe/uuid/doc.go generated vendored Normal file
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@ -0,0 +1,8 @@
// Copyright 2011 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.
// The uuid package generates and inspects UUIDs.
//
// UUIDs are based on RFC 4122 and DCE 1.1: Authentication and Security Services.
package uuid

53
vendor/github.com/Xe/uuid/hash.go generated vendored Normal file
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@ -0,0 +1,53 @@
// Copyright 2011 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 Name Space IDs and UUIDs
var (
NameSpace_DNS = Parse("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
NameSpace_URL = Parse("6ba7b811-9dad-11d1-80b4-00c04fd430c8")
NameSpace_OID = Parse("6ba7b812-9dad-11d1-80b4-00c04fd430c8")
NameSpace_X500 = Parse("6ba7b814-9dad-11d1-80b4-00c04fd430c8")
NIL = Parse("00000000-0000-0000-0000-000000000000")
)
// NewHash returns a new UUID dervied 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([]byte(data))
s := h.Sum(nil)
uuid := make([]byte, 16)
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.
//
// 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.
//
// NewHash(sha1.New(), space, data, 5)
func NewSHA1(space UUID, data []byte) UUID {
return NewHash(sha1.New(), space, data, 5)
}

101
vendor/github.com/Xe/uuid/node.go generated vendored Normal file
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@ -0,0 +1,101 @@
// Copyright 2011 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 "net"
var (
interfaces []net.Interface // cached list of interfaces
ifname string // name of interface being used
nodeID []byte // hardware for version 1 UUIDs
)
// 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 {
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 {
if interfaces == nil {
var err error
interfaces, err = net.Interfaces()
if err != nil && name != "" {
return false
}
}
for _, ifs := range interfaces {
if len(ifs.HardwareAddr) >= 6 && (name == "" || name == ifs.Name) {
if setNodeID(ifs.HardwareAddr) {
ifname = ifs.Name
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 == "" {
if nodeID == nil {
nodeID = make([]byte, 6)
}
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 {
if nodeID == nil {
SetNodeInterface("")
}
nid := make([]byte, 6)
copy(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 setNodeID(id) {
ifname = "user"
return true
}
return false
}
func setNodeID(id []byte) bool {
if len(id) < 6 {
return false
}
if nodeID == nil {
nodeID = make([]byte, 6)
}
copy(nodeID, id)
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 {
if len(uuid) != 16 {
return nil
}
node := make([]byte, 6)
copy(node, uuid[10:])
return node
}

132
vendor/github.com/Xe/uuid/time.go generated vendored Normal file
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@ -0,0 +1,132 @@
// Copyright 2014 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 (
mu sync.Mutex
lasttime uint64 // last time we returned
clock_seq 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
// adjusts the clock sequence as needed. An error is returned if the current
// time cannot be determined.
func GetTime() (Time, error) {
defer mu.Unlock()
mu.Lock()
return getTime()
}
func getTime() (Time, error) {
t := timeNow()
// If we don't have a clock sequence already, set one.
if clock_seq == 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 {
clock_seq = ((clock_seq + 1) & 0x3fff) | 0x8000
}
lasttime = now
return Time(now), 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 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) sequence is generated
// for
func ClockSequence() int {
defer mu.Unlock()
mu.Lock()
return clockSequence()
}
func clockSequence() int {
if clock_seq == 0 {
setClockSequence(-1)
}
return int(clock_seq & 0x3fff)
}
// SetClockSeq 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 mu.Unlock()
mu.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])
}
old_seq := clock_seq
clock_seq = uint16(seq&0x3fff) | 0x8000 // Set our variant
if old_seq != clock_seq {
lasttime = 0
}
}
// Time returns the time in 100s of nanoseconds since 15 Oct 1582 encoded in
// uuid. It returns false if uuid is not valid. The time is only well defined
// for version 1 and 2 UUIDs.
func (uuid UUID) Time() (Time, bool) {
if len(uuid) != 16 {
return 0, false
}
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), true
}
// ClockSequence returns the clock sequence encoded in uuid. It returns false
// if uuid is not valid. The clock sequence is only well defined for version 1
// and 2 UUIDs.
func (uuid UUID) ClockSequence() (int, bool) {
if len(uuid) != 16 {
return 0, false
}
return int(binary.BigEndian.Uint16(uuid[8:10])) & 0x3fff, true
}

43
vendor/github.com/Xe/uuid/util.go generated vendored Normal file
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@ -0,0 +1,43 @@
// Copyright 2011 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 = []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 the the first two hex bytes of x into a byte.
func xtob(x string) (byte, bool) {
b1 := xvalues[x[0]]
b2 := xvalues[x[1]]
return (b1 << 4) | b2, b1 != 255 && b2 != 255
}

163
vendor/github.com/Xe/uuid/uuid.go generated vendored Normal file
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@ -0,0 +1,163 @@
// Copyright 2011 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"
"fmt"
"io"
"strings"
)
// A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC
// 4122.
type UUID []byte
// A Version represents a UUIDs version.
type Version byte
// A Variant represents a UUIDs 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
// New returns a new random (version 4) UUID as a string. It is a convenience
// function for NewRandom().String().
func New() string {
return NewRandom().String()
}
// Parse decodes s into a UUID or returns nil. Both the UUID form of
// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded.
func Parse(s string) UUID {
if len(s) == 36+9 {
if strings.ToLower(s[:9]) != "urn:uuid:" {
return nil
}
s = s[9:]
} else if len(s) != 36 {
return nil
}
if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' {
return nil
}
uuid := make([]byte, 16)
for i, x := range []int{
0, 2, 4, 6,
9, 11,
14, 16,
19, 21,
24, 26, 28, 30, 32, 34} {
if v, ok := xtob(s[x:]); !ok {
return nil
} else {
uuid[i] = v
}
}
return uuid
}
// Equal returns true if uuid1 and uuid2 are equal.
func Equal(uuid1, uuid2 UUID) bool {
return bytes.Equal(uuid1, uuid2)
}
// String returns the string form of uuid, xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
// , or "" if uuid is invalid.
func (uuid UUID) String() string {
if uuid == nil || len(uuid) != 16 {
return ""
}
b := []byte(uuid)
return fmt.Sprintf("%08x-%04x-%04x-%04x-%012x",
b[:4], b[4:6], b[6:8], b[8:10], b[10:])
}
// 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 {
if uuid == nil || len(uuid) != 16 {
return ""
}
b := []byte(uuid)
return fmt.Sprintf("urn:uuid:%08x-%04x-%04x-%04x-%012x",
b[:4], b[4:6], b[6:8], b[8:10], b[10:])
}
// Variant returns the variant encoded in uuid. It returns Invalid if
// uuid is invalid.
func (uuid UUID) Variant() Variant {
if len(uuid) != 16 {
return Invalid
}
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
}
panic("unreachable")
}
// Version returns the verison of uuid. It returns false if uuid is not
// valid.
func (uuid UUID) Version() (Version, bool) {
if len(uuid) != 16 {
return 0, false
}
return Version(uuid[6] >> 4), true
}
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 implents 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
}

390
vendor/github.com/Xe/uuid/uuid_test.go generated vendored Normal file
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// Copyright 2011 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"
"fmt"
"os"
"strings"
"testing"
"time"
)
type test struct {
in string
version Version
variant Variant
isuuid bool
}
var tests = []test{
{"f47ac10b-58cc-0372-8567-0e02b2c3d479", 0, RFC4122, true},
{"f47ac10b-58cc-1372-8567-0e02b2c3d479", 1, RFC4122, true},
{"f47ac10b-58cc-2372-8567-0e02b2c3d479", 2, RFC4122, true},
{"f47ac10b-58cc-3372-8567-0e02b2c3d479", 3, RFC4122, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-5372-8567-0e02b2c3d479", 5, RFC4122, true},
{"f47ac10b-58cc-6372-8567-0e02b2c3d479", 6, RFC4122, true},
{"f47ac10b-58cc-7372-8567-0e02b2c3d479", 7, RFC4122, true},
{"f47ac10b-58cc-8372-8567-0e02b2c3d479", 8, RFC4122, true},
{"f47ac10b-58cc-9372-8567-0e02b2c3d479", 9, RFC4122, true},
{"f47ac10b-58cc-a372-8567-0e02b2c3d479", 10, RFC4122, true},
{"f47ac10b-58cc-b372-8567-0e02b2c3d479", 11, RFC4122, true},
{"f47ac10b-58cc-c372-8567-0e02b2c3d479", 12, RFC4122, true},
{"f47ac10b-58cc-d372-8567-0e02b2c3d479", 13, RFC4122, true},
{"f47ac10b-58cc-e372-8567-0e02b2c3d479", 14, RFC4122, true},
{"f47ac10b-58cc-f372-8567-0e02b2c3d479", 15, RFC4122, true},
{"urn:uuid:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"URN:UUID:f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-0567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-1567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-2567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-3567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-4567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-5567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-6567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-7567-0e02b2c3d479", 4, Reserved, true},
{"f47ac10b-58cc-4372-8567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-9567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-a567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-b567-0e02b2c3d479", 4, RFC4122, true},
{"f47ac10b-58cc-4372-c567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-d567-0e02b2c3d479", 4, Microsoft, true},
{"f47ac10b-58cc-4372-e567-0e02b2c3d479", 4, Future, true},
{"f47ac10b-58cc-4372-f567-0e02b2c3d479", 4, Future, true},
{"f47ac10b158cc-5372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc25372-a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-53723a567-0e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a56740e02b2c3d479", 0, Invalid, false},
{"f47ac10b-58cc-5372-a567-0e02-2c3d479", 0, Invalid, false},
{"g47ac10b-58cc-4372-a567-0e02b2c3d479", 0, Invalid, false},
}
var constants = []struct {
c interface{}
name string
}{
{Person, "Person"},
{Group, "Group"},
{Org, "Org"},
{Invalid, "Invalid"},
{RFC4122, "RFC4122"},
{Reserved, "Reserved"},
{Microsoft, "Microsoft"},
{Future, "Future"},
{Domain(17), "Domain17"},
{Variant(42), "BadVariant42"},
}
func testTest(t *testing.T, in string, tt test) {
uuid := Parse(in)
if ok := (uuid != nil); ok != tt.isuuid {
t.Errorf("Parse(%s) got %v expected %v\b", in, ok, tt.isuuid)
}
if uuid == nil {
return
}
if v := uuid.Variant(); v != tt.variant {
t.Errorf("Variant(%s) got %d expected %d\b", in, v, tt.variant)
}
if v, _ := uuid.Version(); v != tt.version {
t.Errorf("Version(%s) got %d expected %d\b", in, v, tt.version)
}
}
func TestUUID(t *testing.T) {
for _, tt := range tests {
testTest(t, tt.in, tt)
testTest(t, strings.ToUpper(tt.in), tt)
}
}
func TestConstants(t *testing.T) {
for x, tt := range constants {
v, ok := tt.c.(fmt.Stringer)
if !ok {
t.Errorf("%x: %v: not a stringer", x, v)
} else if s := v.String(); s != tt.name {
v, _ := tt.c.(int)
t.Errorf("%x: Constant %T:%d gives %q, expected %q\n", x, tt.c, v, s, tt.name)
}
}
}
func TestRandomUUID(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
uuid := NewRandom()
s := uuid.String()
if m[s] {
t.Errorf("NewRandom returned duplicated UUID %s\n", s)
}
m[s] = true
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s\n", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d\n", uuid.Variant())
}
}
}
func TestNew(t *testing.T) {
m := make(map[string]bool)
for x := 1; x < 32; x++ {
s := New()
if m[s] {
t.Errorf("New returned duplicated UUID %s\n", s)
}
m[s] = true
uuid := Parse(s)
if uuid == nil {
t.Errorf("New returned %q which does not decode\n", s)
continue
}
if v, _ := uuid.Version(); v != 4 {
t.Errorf("Random UUID of version %s\n", v)
}
if uuid.Variant() != RFC4122 {
t.Errorf("Random UUID is variant %d\n", uuid.Variant())
}
}
}
func clockSeq(t *testing.T, uuid UUID) int {
seq, ok := uuid.ClockSequence()
if !ok {
t.Fatalf("%s: invalid clock sequence\n", uuid)
}
return seq
}
func TestClockSeq(t *testing.T) {
// Fake time.Now for this test to return a monotonically advancing time; restore it at end.
defer func(orig func() time.Time) { timeNow = orig }(timeNow)
monTime := time.Now()
timeNow = func() time.Time {
monTime = monTime.Add(1 * time.Second)
return monTime
}
SetClockSequence(-1)
uuid1 := NewUUID()
uuid2 := NewUUID()
if clockSeq(t, uuid1) != clockSeq(t, uuid2) {
t.Errorf("clock sequence %d != %d\n", clockSeq(t, uuid1), clockSeq(t, uuid2))
}
SetClockSequence(-1)
uuid2 = NewUUID()
// Just on the very off chance we generated the same sequence
// two times we try again.
if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
SetClockSequence(-1)
uuid2 = NewUUID()
}
if clockSeq(t, uuid1) == clockSeq(t, uuid2) {
t.Errorf("Duplicate clock sequence %d\n", clockSeq(t, uuid1))
}
SetClockSequence(0x1234)
uuid1 = NewUUID()
if seq := clockSeq(t, uuid1); seq != 0x1234 {
t.Errorf("%s: expected seq 0x1234 got 0x%04x\n", uuid1, seq)
}
}
func TestCoding(t *testing.T) {
text := "7d444840-9dc0-11d1-b245-5ffdce74fad2"
urn := "urn:uuid:7d444840-9dc0-11d1-b245-5ffdce74fad2"
data := UUID{
0x7d, 0x44, 0x48, 0x40,
0x9d, 0xc0,
0x11, 0xd1,
0xb2, 0x45,
0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2,
}
if v := data.String(); v != text {
t.Errorf("%x: encoded to %s, expected %s\n", data, v, text)
}
if v := data.URN(); v != urn {
t.Errorf("%x: urn is %s, expected %s\n", data, v, urn)
}
uuid := Parse(text)
if !Equal(uuid, data) {
t.Errorf("%s: decoded to %s, expected %s\n", text, uuid, data)
}
}
func TestVersion1(t *testing.T) {
uuid1 := NewUUID()
uuid2 := NewUUID()
if Equal(uuid1, uuid2) {
t.Errorf("%s:duplicate uuid\n", uuid1)
}
if v, _ := uuid1.Version(); v != 1 {
t.Errorf("%s: version %s expected 1\n", uuid1, v)
}
if v, _ := uuid2.Version(); v != 1 {
t.Errorf("%s: version %s expected 1\n", uuid2, v)
}
n1 := uuid1.NodeID()
n2 := uuid2.NodeID()
if !bytes.Equal(n1, n2) {
t.Errorf("Different nodes %x != %x\n", n1, n2)
}
t1, ok := uuid1.Time()
if !ok {
t.Errorf("%s: invalid time\n", uuid1)
}
t2, ok := uuid2.Time()
if !ok {
t.Errorf("%s: invalid time\n", uuid2)
}
q1, ok := uuid1.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence\n", uuid1)
}
q2, ok := uuid2.ClockSequence()
if !ok {
t.Errorf("%s: invalid clock sequence", uuid2)
}
switch {
case t1 == t2 && q1 == q2:
t.Errorf("time stopped\n")
case t1 > t2 && q1 == q2:
t.Errorf("time reversed\n")
case t1 < t2 && q1 != q2:
t.Errorf("clock sequence chaned unexpectedly\n")
}
}
func TestNodeAndTime(t *testing.T) {
// Time is February 5, 1998 12:30:23.136364800 AM GMT
uuid := Parse("7d444840-9dc0-11d1-b245-5ffdce74fad2")
node := []byte{0x5f, 0xfd, 0xce, 0x74, 0xfa, 0xd2}
ts, ok := uuid.Time()
if ok {
c := time.Unix(ts.UnixTime())
want := time.Date(1998, 2, 5, 0, 30, 23, 136364800, time.UTC)
if !c.Equal(want) {
t.Errorf("Got time %v, want %v", c, want)
}
} else {
t.Errorf("%s: bad time\n", uuid)
}
if !bytes.Equal(node, uuid.NodeID()) {
t.Errorf("Expected node %v got %v\n", node, uuid.NodeID())
}
}
func TestMD5(t *testing.T) {
uuid := NewMD5(NameSpace_DNS, []byte("python.org")).String()
want := "6fa459ea-ee8a-3ca4-894e-db77e160355e"
if uuid != want {
t.Errorf("MD5: got %q expected %q\n", uuid, want)
}
}
func TestSHA1(t *testing.T) {
uuid := NewSHA1(NameSpace_DNS, []byte("python.org")).String()
want := "886313e1-3b8a-5372-9b90-0c9aee199e5d"
if uuid != want {
t.Errorf("SHA1: got %q expected %q\n", uuid, want)
}
}
func TestNodeID(t *testing.T) {
nid := []byte{1, 2, 3, 4, 5, 6}
SetNodeInterface("")
s := NodeInterface()
if s == "" || s == "user" {
t.Errorf("NodeInterface %q after SetInteface\n", s)
}
node1 := NodeID()
if node1 == nil {
t.Errorf("NodeID nil after SetNodeInterface\n", s)
}
SetNodeID(nid)
s = NodeInterface()
if s != "user" {
t.Errorf("Expected NodeInterface %q got %q\n", "user", s)
}
node2 := NodeID()
if node2 == nil {
t.Errorf("NodeID nil after SetNodeID\n", s)
}
if bytes.Equal(node1, node2) {
t.Errorf("NodeID not changed after SetNodeID\n", s)
} else if !bytes.Equal(nid, node2) {
t.Errorf("NodeID is %x, expected %x\n", node2, nid)
}
}
func testDCE(t *testing.T, name string, uuid UUID, domain Domain, id uint32) {
if uuid == nil {
t.Errorf("%s failed\n", name)
return
}
if v, _ := uuid.Version(); v != 2 {
t.Errorf("%s: %s: expected version 2, got %s\n", name, uuid, v)
return
}
if v, ok := uuid.Domain(); !ok || v != domain {
if !ok {
t.Errorf("%s: %d: Domain failed\n", name, uuid)
} else {
t.Errorf("%s: %s: expected domain %d, got %d\n", name, uuid, domain, v)
}
}
if v, ok := uuid.Id(); !ok || v != id {
if !ok {
t.Errorf("%s: %d: Id failed\n", name, uuid)
} else {
t.Errorf("%s: %s: expected id %d, got %d\n", name, uuid, id, v)
}
}
}
func TestDCE(t *testing.T) {
testDCE(t, "NewDCESecurity", NewDCESecurity(42, 12345678), 42, 12345678)
testDCE(t, "NewDCEPerson", NewDCEPerson(), Person, uint32(os.Getuid()))
testDCE(t, "NewDCEGroup", NewDCEGroup(), Group, uint32(os.Getgid()))
}
type badRand struct{}
func (r badRand) Read(buf []byte) (int, error) {
for i, _ := range buf {
buf[i] = byte(i)
}
return len(buf), nil
}
func TestBadRand(t *testing.T) {
SetRand(badRand{})
uuid1 := New()
uuid2 := New()
if uuid1 != uuid2 {
t.Errorf("execpted duplicates, got %q and %q\n", uuid1, uuid2)
}
SetRand(nil)
uuid1 = New()
uuid2 = New()
if uuid1 == uuid2 {
t.Errorf("unexecpted duplicates, got %q\n", uuid1)
}
}

41
vendor/github.com/Xe/uuid/version1.go generated vendored Normal file
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@ -0,0 +1,41 @@
// Copyright 2011 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.
func NewUUID() UUID {
if nodeID == nil {
SetNodeInterface("")
}
now, err := GetTime()
if err != nil {
return nil
}
uuid := make([]byte, 16)
time_low := uint32(now & 0xffffffff)
time_mid := uint16((now >> 32) & 0xffff)
time_hi := uint16((now >> 48) & 0x0fff)
time_hi |= 0x1000 // Version 1
binary.BigEndian.PutUint32(uuid[0:], time_low)
binary.BigEndian.PutUint16(uuid[4:], time_mid)
binary.BigEndian.PutUint16(uuid[6:], time_hi)
binary.BigEndian.PutUint16(uuid[8:], clock_seq)
copy(uuid[10:], nodeID)
return uuid
}

25
vendor/github.com/Xe/uuid/version4.go generated vendored Normal file
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@ -0,0 +1,25 @@
// Copyright 2011 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
// Random returns a Random (Version 4) UUID or panics.
//
// The strength of the UUIDs is based on the strength of the crypto/rand
// package.
//
// A note about uniqueness derived from 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 {
uuid := make([]byte, 16)
randomBits([]byte(uuid))
uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
return uuid
}