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Merge pull request #46 from dmcgowan/use-distribution-uuid 

Use uuid library from distribution
This commit is contained in:
David Lawrence 2015-07-13 10:56:13 -07:00
parent 3f5a78d235 c87caf3979
commit 17af21f00c
35 changed files with 1029 additions and 1233 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Godeps/Godeps.json generated
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@ -5,11 +5,6 @@
"./..."
],
"Deps": [
{
"ImportPath": "code.google.com/p/go-uuid/uuid",
"Comment": "null-15",
"Rev": "35bc42037350f0078e3c974c6ea690f1926603ab"
},
{
"ImportPath": "github.com/BurntSushi/toml",
"Rev": "bd2bdf7f18f849530ef7a1c29a4290217cab32a1"
@ -29,13 +24,18 @@
},
{
"ImportPath": "github.com/docker/distribution/context",
"Comment": "v2.0.0-rc.3-2-g75919b7",
"Rev": "75919b7dcc5d53894d7e8f1584e91ae148335f3a"
"Comment": "v2.0.0-332-g79a4ca2",
"Rev": "79a4ca2abe6f8622039678ba85a42cb6c7fd8af9"
},
{
"ImportPath": "github.com/docker/distribution/registry/auth",
"Comment": "v2.0.0-rc.3-2-g75919b7",
"Rev": "75919b7dcc5d53894d7e8f1584e91ae148335f3a"
"Comment": "v2.0.0-332-g79a4ca2",
"Rev": "79a4ca2abe6f8622039678ba85a42cb6c7fd8af9"
},
{
"ImportPath": "github.com/docker/distribution/uuid",
"Comment": "v2.0.0-332-g79a4ca2",
"Rev": "79a4ca2abe6f8622039678ba85a42cb6c7fd8af9"
},
{
"ImportPath": "github.com/docker/docker/pkg/term",

27
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/LICENSE generated vendored
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@ -1,27 +0,0 @@
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.

84
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/dce.go generated vendored
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@ -1,84 +0,0 @@
// 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/doc.go generated vendored
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@ -1,8 +0,0 @@
// 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/hash.go generated vendored
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@ -1,53 +0,0 @@
// 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)
}

30
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/json.go generated vendored
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@ -1,30 +0,0 @@
// 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 "errors"
func (u UUID) MarshalJSON() ([]byte, error) {
if len(u) == 0 {
return []byte(`""`), nil
}
return []byte(`"` + u.String() + `"`), nil
}
func (u *UUID) UnmarshalJSON(data []byte) error {
if len(data) == 0 || string(data) == `""` {
return nil
}
if len(data) < 2 || data[0] != '"' || data[len(data)-1] != '"' {
return errors.New("invalid UUID format")
}
data = data[1 : len(data)-1]
uu := Parse(string(data))
if uu == nil {
return errors.New("invalid UUID format")
}
*u = uu
return nil
}

32
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/json_test.go generated vendored
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@ -1,32 +0,0 @@
// 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/json"
"reflect"
"testing"
)
var testUUID = Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479")
func TestJSON(t *testing.T) {
type S struct {
ID1 UUID
ID2 UUID
}
s1 := S{ID1: testUUID}
data, err := json.Marshal(&s1)
if err != nil {
t.Fatal(err)
}
var s2 S
if err := json.Unmarshal(data, &s2); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(&s1, &s2) {
t.Errorf("got %#v, want %#v", s2, s1)
}
}

101
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/node.go generated vendored
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@ -1,101 +0,0 @@
// 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
}

66
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/seq_test.go generated vendored
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@ -1,66 +0,0 @@
// 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 (
"flag"
"runtime"
"testing"
"time"
)
// This test is only run when --regressions is passed on the go test line.
var regressions = flag.Bool("regressions", false, "run uuid regression tests")
// TestClockSeqRace tests for a particular race condition of returning two
// identical Version1 UUIDs. The duration of 1 minute was chosen as the race
// condition, before being fixed, nearly always occured in under 30 seconds.
func TestClockSeqRace(t *testing.T) {
if !*regressions {
t.Skip("skipping regression tests")
}
duration := time.Minute
done := make(chan struct{})
defer close(done)
ch := make(chan UUID, 10000)
ncpu := runtime.NumCPU()
switch ncpu {
case 0, 1:
// We can't run the test effectively.
t.Skip("skipping race test, only one CPU detected")
return
default:
runtime.GOMAXPROCS(ncpu)
}
for i := 0; i < ncpu; i++ {
go func() {
for {
select {
case <-done:
return
case ch <- NewUUID():
}
}
}()
}
uuids := make(map[string]bool)
cnt := 0
start := time.Now()
for u := range ch {
s := u.String()
if uuids[s] {
t.Errorf("duplicate uuid after %d in %v: %s", cnt, time.Since(start), s)
return
}
uuids[s] = true
if time.Since(start) > duration {
return
}
cnt++
}
}

132
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/time.go generated vendored
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@ -1,132 +0,0 @@
// 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
// 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 mu.Unlock()
mu.Lock()
return getTime()
}
func getTime() (Time, uint16, 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), clock_seq, 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/util.go generated vendored
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@ -1,43 +0,0 @@
// 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/uuid.go generated vendored
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@ -1,163 +0,0 @@
// 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/uuid_test.go generated vendored
View File

@ -1,390 +0,0 @@
// 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
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/version1.go generated vendored
View File

@ -1,41 +0,0 @@
// 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, seq, 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:], seq)
copy(uuid[10:], nodeID)
return uuid
}

25
Godeps/_workspace/src/code.google.com/p/go-uuid/uuid/version4.go generated vendored
View File

@ -1,25 +0,0 @@
// 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
}

4
Godeps/_workspace/src/github.com/docker/distribution/context/context.go generated vendored
View File

@ -1,7 +1,7 @@
package context
import (
"code.google.com/p/go-uuid/uuid"
"github.com/docker/distribution/uuid"
"golang.org/x/net/context"
)
@ -27,7 +27,7 @@ func (ic *instanceContext) Value(key interface{}) interface{} {
var background = &instanceContext{
Context: context.Background(),
id: uuid.New(),
id: uuid.Generate().String(),
}
// Background returns a non-nil, empty Context. The background context

27
Godeps/_workspace/src/github.com/docker/distribution/context/http.go generated vendored
View File

@ -8,14 +8,15 @@ import (
"sync"
"time"
"code.google.com/p/go-uuid/uuid"
log "github.com/Sirupsen/logrus"
"github.com/docker/distribution/uuid"
"github.com/gorilla/mux"
)
// Common errors used with this package.
var (
ErrNoRequestContext = errors.New("no http request in context")
ErrNoRequestContext = errors.New("no http request in context")
ErrNoResponseWriterContext = errors.New("no http response in context")
)
func parseIP(ipStr string) net.IP {
@ -78,7 +79,7 @@ func WithRequest(ctx Context, r *http.Request) Context {
return &httpRequestContext{
Context: ctx,
startedAt: time.Now(),
id: uuid.New(), // assign the request a unique.
id: uuid.Generate().String(),
r: r,
}
}
@ -110,6 +111,20 @@ func WithResponseWriter(ctx Context, w http.ResponseWriter) (Context, http.Respo
return irw, irw
}
// GetResponseWriter returns the http.ResponseWriter from the provided
// context. If not present, ErrNoResponseWriterContext is returned. The
// returned instance provides instrumentation in the context.
func GetResponseWriter(ctx Context) (http.ResponseWriter, error) {
v := ctx.Value("http.response")
rw, ok := v.(http.ResponseWriter)
if !ok || rw == nil {
return nil, ErrNoResponseWriterContext
}
return rw, nil
}
// getVarsFromRequest let's us change request vars implementation for testing
// and maybe future changes.
var getVarsFromRequest = mux.Vars
@ -287,7 +302,7 @@ func (irw *instrumentedResponseWriter) Flush() {
func (irw *instrumentedResponseWriter) Value(key interface{}) interface{} {
if keyStr, ok := key.(string); ok {
if keyStr == "http.response" {
return irw.ResponseWriter
return irw
}
if !strings.HasPrefix(keyStr, "http.response.") {
@ -307,9 +322,7 @@ func (irw *instrumentedResponseWriter) Value(key interface{}) interface{} {
case "written":
return irw.written
case "status":
if irw.status != 0 {
return irw.status
}
return irw.status
case "contenttype":
contentType := irw.Header().Get("Content-Type")
if contentType != "" {

17
Godeps/_workspace/src/github.com/docker/distribution/context/http_test.go generated vendored
View File

@ -132,8 +132,21 @@ func TestWithResponseWriter(t *testing.T) {
trw := testResponseWriter{}
ctx, rw := WithResponseWriter(Background(), &trw)
if ctx.Value("http.response") != &trw {
t.Fatalf("response not available in context: %v != %v", ctx.Value("http.response"), &trw)
if ctx.Value("http.response") != rw {
t.Fatalf("response not available in context: %v != %v", ctx.Value("http.response"), rw)
}
grw, err := GetResponseWriter(ctx)
if err != nil {
t.Fatalf("error getting response writer: %v", err)
}
if grw != rw {
t.Fatalf("unexpected response writer returned: %#v != %#v", grw, rw)
}
if ctx.Value("http.response.status") != 0 {
t.Fatalf("response status should always be a number and should be zero here: %v != 0", ctx.Value("http.response.status"))
}
if n, err := rw.Write(make([]byte, 1024)); err != nil {

7
Godeps/_workspace/src/github.com/docker/distribution/context/logger.go generated vendored
View File

@ -3,6 +3,8 @@ package context
import (
"fmt"
"github.com/docker/distribution/uuid"
"github.com/Sirupsen/logrus"
)
@ -99,3 +101,8 @@ func getLogrusLogger(ctx Context, keys ...interface{}) *logrus.Entry {
return logger.WithFields(fields)
}
func init() {
// inject a logger into the uuid library.
uuid.Loggerf = GetLogger(Background()).Warnf
}

15
Godeps/_workspace/src/github.com/docker/distribution/context/trace.go generated vendored
View File

@ -4,7 +4,7 @@ import (
"runtime"
"time"
"code.google.com/p/go-uuid/uuid"
"github.com/docker/distribution/uuid"
)
// WithTrace allocates a traced timing span in a new context. This allows a
@ -45,7 +45,7 @@ func WithTrace(ctx Context) (Context, func(format string, a ...interface{})) {
f := runtime.FuncForPC(pc)
ctx = &traced{
Context: ctx,
id: uuid.New(),
id: uuid.Generate().String(),
start: time.Now(),
parent: GetStringValue(ctx, "trace.id"),
fnname: f.Name(),
@ -54,9 +54,14 @@ func WithTrace(ctx Context) (Context, func(format string, a ...interface{})) {
}
return ctx, func(format string, a ...interface{}) {
GetLogger(ctx, "trace.duration", "trace.id", "trace.parent.id",
"trace.func", "trace.file", "trace.line").
Infof(format, a...) // info may be too chatty.
GetLogger(ctx,
"trace.duration",
"trace.id",
"trace.parent.id",
"trace.func",
"trace.file",
"trace.line").
Debugf(format, a...)
}
}

12
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/auth.go generated vendored
View File

@ -3,7 +3,7 @@
// An access controller has a simple interface with a single `Authorized`
// method which checks that a given request is authorized to perform one or
// more actions on one or more resources. This method should return a non-nil
// error if the requset is not authorized.
// error if the request is not authorized.
//
// An implementation registers its access controller by name with a constructor
// which accepts an options map for configuring the access controller.
@ -50,7 +50,7 @@ type Resource struct {
}
// Access describes a specific action that is
// requested or allowed for a given recource.
// requested or allowed for a given resource.
type Access struct {
Resource
Action string
@ -62,10 +62,10 @@ type Access struct {
type Challenge interface {
error
// ServeHTTP prepares the request to conduct the appropriate challenge
// response. For most implementations, simply calling ServeHTTP should be
// sufficient. Because no body is written, users may write a custom body after
// calling ServeHTTP, but any headers must be written before the call and may
// be overwritten.
// response by adding the appropriate HTTP challenge header on the response
// message. Callers are expected to set the appropriate HTTP status code
// (e.g. 401) themselves. Because no body is written, users may write a
// custom body after calling ServeHTTP.
ServeHTTP(w http.ResponseWriter, r *http.Request)
}

98
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/basic/access.go.orig generated vendored Normal file
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@ -0,0 +1,98 @@
// Package basic provides a simple authentication scheme that checks for the
// user credential hash in an htpasswd formatted file in a configuration-determined
// location.
//
// The use of SHA hashes (htpasswd -s) is enforced since MD5 is insecure and simple
// system crypt() may be as well.
//
// This authentication method MUST be used under TLS, as simple token-replay attack is possible.
package basic
import (
"errors"
"fmt"
"net/http"
ctxu "github.com/docker/distribution/context"
"github.com/docker/distribution/registry/auth"
"golang.org/x/net/context"
)
type accessController struct {
realm string
htpasswd *HTPasswd
}
type challenge struct {
realm string
err error
}
var _ auth.AccessController = &accessController{}
var (
// ErrPasswordRequired - returned when no auth token is given.
<<<<<<< HEAD
ErrPasswordRequired = errors.New("authorization credential required")
// ErrInvalidCredential - returned when the auth token does not authenticate correctly.
=======
ErrPasswordRequired = errors.New("authorization credential required")
// ErrInvalidCredential - returned when the auth token does not authenticate correctly.
>>>>>>> Fixed WWW-Authenticate: header, added example config and import into main, fixed golint warnings
ErrInvalidCredential = errors.New("invalid authorization credential")
)
func newAccessController(options map[string]interface{}) (auth.AccessController, error) {
realm, present := options["realm"]
if _, ok := realm.(string); !present || !ok {
return nil, fmt.Errorf(`"realm" must be set for basic access controller`)
}
path, present := options["path"]
if _, ok := path.(string); !present || !ok {
return nil, fmt.Errorf(`"path" must be set for basic access controller`)
}
return &accessController{realm: realm.(string), htpasswd: NewHTPasswd(path.(string))}, nil
}
func (ac *accessController) Authorized(ctx context.Context, accessRecords ...auth.Access) (context.Context, error) {
req, err := ctxu.GetRequest(ctx)
if err != nil {
return nil, err
}
authHeader := req.Header.Get("Authorization")
if authHeader == "" {
challenge := challenge{
realm: ac.realm,
}
return nil, &challenge
}
user, pass, ok := req.BasicAuth()
if !ok {
return nil, errors.New("Invalid Authorization header")
}
credential := strings.Split(string(text), ":")
if len(credential) != 2 {
challenge.err = ErrInvalidCredential
return nil, &challenge
}
return auth.WithUser(ctx, auth.UserInfo{Name: user}), nil
}
func (ch *challenge) ServeHTTP(w http.ResponseWriter, r *http.Request) {
header := fmt.Sprintf("Basic realm=%q", ch.realm)
w.Header().Set("WWW-Authenticate", header)
w.WriteHeader(http.StatusUnauthorized)
}
func (ch *challenge) Error() string {
return fmt.Sprintf("basic authentication challenge: %#v", ch)
}
func init() {
auth.Register("basic", auth.InitFunc(newAccessController))
}

140
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/basic/access_test.go.orig generated vendored Normal file
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@ -0,0 +1,140 @@
package basic
import (
"encoding/base64"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"github.com/docker/distribution/registry/auth"
"golang.org/x/net/context"
)
func TestBasicAccessController(t *testing.T) {
testRealm := "The-Shire"
<<<<<<< HEAD
testUsers := []string{"bilbo", "frodo", "MiShil", "DeokMan"}
testPasswords := []string{"baggins", "baggins", "새주", "공주님"}
testHtpasswdContent := `bilbo:{SHA}5siv5c0SHx681xU6GiSx9ZQryqs=
frodo:$2y$05$926C3y10Quzn/LnqQH86VOEVh/18T6RnLaS.khre96jLNL/7e.K5W
MiShil:$2y$05$0oHgwMehvoe8iAWS8I.7l.KoECXrwVaC16RPfaSCU5eVTFrATuMI2
DeokMan:공주님`
=======
testUser := "bilbo"
testHtpasswdContent := "bilbo:{SHA}5siv5c0SHx681xU6GiSx9ZQryqs="
>>>>>>> Implementation of a basic authentication scheme using standard .htpasswd files
tempFile, err := ioutil.TempFile("", "htpasswd-test")
if err != nil {
t.Fatal("could not create temporary htpasswd file")
}
if _, err = tempFile.WriteString(testHtpasswdContent); err != nil {
t.Fatal("could not write temporary htpasswd file")
}
options := map[string]interface{}{
"realm": testRealm,
"path": tempFile.Name(),
}
accessController, err := newAccessController(options)
if err != nil {
t.Fatal("error creating access controller")
}
tempFile.Close()
<<<<<<< HEAD
var userNumber = 0
=======
>>>>>>> Implementation of a basic authentication scheme using standard .htpasswd files
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := context.WithValue(nil, "http.request", r)
authCtx, err := accessController.Authorized(ctx)
if err != nil {
switch err := err.(type) {
case auth.Challenge:
err.ServeHTTP(w, r)
return
default:
t.Fatalf("unexpected error authorizing request: %v", err)
}
}
userInfo, ok := authCtx.Value("auth.user").(auth.UserInfo)
if !ok {
t.Fatal("basic accessController did not set auth.user context")
}
<<<<<<< HEAD
if userInfo.Name != testUsers[userNumber] {
t.Fatalf("expected user name %q, got %q", testUsers[userNumber], userInfo.Name)
=======
if userInfo.Name != testUser {
t.Fatalf("expected user name %q, got %q", testUser, userInfo.Name)
>>>>>>> Implementation of a basic authentication scheme using standard .htpasswd files
}
w.WriteHeader(http.StatusNoContent)
}))
client := &http.Client{
CheckRedirect: nil,
}
req, _ := http.NewRequest("GET", server.URL, nil)
resp, err := client.Do(req)
if err != nil {
t.Fatalf("unexpected error during GET: %v", err)
}
defer resp.Body.Close()
// Request should not be authorized
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("unexpected non-fail response status: %v != %v", resp.StatusCode, http.StatusUnauthorized)
}
<<<<<<< HEAD
for i := 0; i < len(testUsers); i++ {
userNumber = i
req, _ = http.NewRequest("GET", server.URL, nil)
sekrit := testUsers[i] + ":" + testPasswords[i]
credential := "Basic " + base64.StdEncoding.EncodeToString([]byte(sekrit))
req.Header.Set("Authorization", credential)
resp, err = client.Do(req)
if err != nil {
t.Fatalf("unexpected error during GET: %v", err)
}
defer resp.Body.Close()
// Request should be authorized
if resp.StatusCode != http.StatusNoContent {
t.Fatalf("unexpected non-success response status: %v != %v for %s %s %s", resp.StatusCode, http.StatusNoContent, testUsers[i], testPasswords[i], credential)
}
=======
req, _ = http.NewRequest("GET", server.URL, nil)
sekrit := "bilbo:baggins"
credential := "Basic " + base64.StdEncoding.EncodeToString([]byte(sekrit))
req.Header.Set("Authorization", credential)
resp, err = client.Do(req)
if err != nil {
t.Fatalf("unexpected error during GET: %v", err)
}
defer resp.Body.Close()
// Request should be authorized
if resp.StatusCode != http.StatusNoContent {
t.Fatalf("unexpected non-success response status: %v != %v", resp.StatusCode, http.StatusNoContent)
>>>>>>> Implementation of a basic authentication scheme using standard .htpasswd files
}
}

155
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/basic/htpasswd.go.orig generated vendored Normal file
View File

@ -0,0 +1,155 @@
package basic
import (
"crypto/sha1"
"encoding/base64"
"encoding/csv"
"errors"
"os"
"regexp"
"strings"
"golang.org/x/crypto/bcrypt"
)
<<<<<<< HEAD
// AuthenticationFailureErr - a generic error message for authentication failure to be presented to agent.
var ErrAuthenticationFailure = errors.New("Bad username or password")
=======
// ErrSHARequired - returned in error field of challenge when the htpasswd was not made using SHA1 algorithm.
// (SHA1 is considered obsolete but the alternative for htpasswd is MD5, or system crypt...)
var ErrSHARequired = errors.New("htpasswd file must use SHA (htpasswd -s)")
>>>>>>> Fixed WWW-Authenticate: header, added example config and import into main, fixed golint warnings
// HTPasswd - holds a path to a system .htpasswd file and the machinery to parse it.
type HTPasswd struct {
path string
reader *csv.Reader
}
<<<<<<< HEAD
// AuthType represents a particular hash function used in the htpasswd file.
type AuthType int
const (
// PlainText - Plain-text password storage (htpasswd -p)
PlainText AuthType = iota
// SHA1 - sha hashed password storage (htpasswd -s)
SHA1
// ApacheMD5 - apr iterated md5 hashing (htpasswd -m)
ApacheMD5
// BCrypt - BCrypt adapative password hashing (htpasswd -B)
BCrypt
// Crypt - System crypt() hashes. (htpasswd -d)
Crypt
)
// String returns a text representation of the AuthType
func (at AuthType) String() string {
switch at {
case PlainText:
return "plaintext"
case SHA1:
return "sha1"
case ApacheMD5:
return "md5"
case BCrypt:
return "bcrypt"
case Crypt:
return "system crypt"
}
return "unknown"
}
=======
>>>>>>> Fixed WWW-Authenticate: header, added example config and import into main, fixed golint warnings
// NewHTPasswd - Create a new HTPasswd with the given path to .htpasswd file.
func NewHTPasswd(htpath string) *HTPasswd {
return &HTPasswd{path: htpath}
}
<<<<<<< HEAD
var bcryptPrefixRegexp = regexp.MustCompile(`^\$2[ab]?y\$`)
=======
// AuthenticateUser - Check a given user:password credential against the receiving HTPasswd's file.
func (htpasswd *HTPasswd) AuthenticateUser(user string, pwd string) (bool, error) {
>>>>>>> Fixed WWW-Authenticate: header, added example config and import into main, fixed golint warnings
// GetAuthCredentialType - Inspect an htpasswd file credential and guess the encryption algorithm used.
func GetAuthCredentialType(cred string) AuthType {
if strings.HasPrefix(cred, "{SHA}") {
return SHA1
}
if strings.HasPrefix(cred, "$apr1$") {
return ApacheMD5
}
if bcryptPrefixRegexp.MatchString(cred) {
return BCrypt
}
// There's just not a great way to distinguish between these next two...
if len(cred) == 13 {
return Crypt
}
return PlainText
}
// AuthenticateUser - Check a given user:password credential against the receiving HTPasswd's file.
func (htpasswd *HTPasswd) AuthenticateUser(user string, pwd string) (bool, error) {
// Open the file.
in, err := os.Open(htpasswd.path)
if err != nil {
return false, err
}
// Parse the contents of the standard .htpasswd until we hit the end or find a match.
reader := csv.NewReader(in)
reader.Comma = ':'
reader.Comment = '#'
reader.TrimLeadingSpace = true
for entry, readerr := reader.Read(); entry != nil || readerr != nil; entry, readerr = reader.Read() {
if readerr != nil {
return false, readerr
}
if len(entry) == 0 {
continue
}
if entry[0] == user {
credential := entry[1]
credType := GetAuthCredentialType(credential)
switch credType {
case SHA1:
{
sha := sha1.New()
sha.Write([]byte(pwd))
hash := base64.StdEncoding.EncodeToString(sha.Sum(nil))
return entry[1][5:] == hash, nil
}
case ApacheMD5:
{
return false, errors.New(ApacheMD5.String() + " htpasswd hash function not yet supported")
}
case BCrypt:
{
err := bcrypt.CompareHashAndPassword([]byte(credential), []byte(pwd))
if err != nil {
return false, err
}
return true, nil
}
case Crypt:
{
return false, errors.New(Crypt.String() + " htpasswd hash function not yet supported")
}
case PlainText:
{
if pwd == credential {
return true, nil
}
return false, ErrAuthenticationFailure
}
}
}
}
return false, ErrAuthenticationFailure
}

101
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/htpasswd/access.go generated vendored Normal file
View File

@ -0,0 +1,101 @@
// Package htpasswd provides a simple authentication scheme that checks for the
// user credential hash in an htpasswd formatted file in a configuration-determined
// location.
//
// This authentication method MUST be used under TLS, as simple token-replay attack is possible.
package htpasswd
import (
"errors"
"fmt"
"net/http"
"os"
ctxu "github.com/docker/distribution/context"
"github.com/docker/distribution/registry/auth"
"golang.org/x/net/context"
)
var (
// ErrInvalidCredential is returned when the auth token does not authenticate correctly.
ErrInvalidCredential = errors.New("invalid authorization credential")
// ErrAuthenticationFailure returned when authentication failure to be presented to agent.
ErrAuthenticationFailure = errors.New("authentication failured")
)
type accessController struct {
realm string
htpasswd *htpasswd
}
var _ auth.AccessController = &accessController{}
func newAccessController(options map[string]interface{}) (auth.AccessController, error) {
realm, present := options["realm"]
if _, ok := realm.(string); !present || !ok {
return nil, fmt.Errorf(`"realm" must be set for htpasswd access controller`)
}
path, present := options["path"]
if _, ok := path.(string); !present || !ok {
return nil, fmt.Errorf(`"path" must be set for htpasswd access controller`)
}
f, err := os.Open(path.(string))
if err != nil {
return nil, err
}
defer f.Close()
h, err := newHTPasswd(f)
if err != nil {
return nil, err
}
return &accessController{realm: realm.(string), htpasswd: h}, nil
}
func (ac *accessController) Authorized(ctx context.Context, accessRecords ...auth.Access) (context.Context, error) {
req, err := ctxu.GetRequest(ctx)
if err != nil {
return nil, err
}
username, password, ok := req.BasicAuth()
if !ok {
return nil, &challenge{
realm: ac.realm,
err: ErrInvalidCredential,
}
}
if err := ac.htpasswd.authenticateUser(username, password); err != nil {
ctxu.GetLogger(ctx).Errorf("error authenticating user %q: %v", username, err)
return nil, &challenge{
realm: ac.realm,
err: ErrAuthenticationFailure,
}
}
return auth.WithUser(ctx, auth.UserInfo{Name: username}), nil
}
// challenge implements the auth.Challenge interface.
type challenge struct {
realm string
err error
}
func (ch *challenge) ServeHTTP(w http.ResponseWriter, r *http.Request) {
header := fmt.Sprintf("Basic realm=%q", ch.realm)
w.Header().Set("WWW-Authenticate", header)
}
func (ch *challenge) Error() string {
return fmt.Sprintf("basic authentication challenge: %#v", ch)
}
func init() {
auth.Register("htpasswd", auth.InitFunc(newAccessController))
}

122
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/htpasswd/access_test.go generated vendored Normal file
View File

@ -0,0 +1,122 @@
package htpasswd
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"github.com/docker/distribution/context"
"github.com/docker/distribution/registry/auth"
)
func TestBasicAccessController(t *testing.T) {
testRealm := "The-Shire"
testUsers := []string{"bilbo", "frodo", "MiShil", "DeokMan"}
testPasswords := []string{"baggins", "baggins", "새주", "공주님"}
testHtpasswdContent := `bilbo:{SHA}5siv5c0SHx681xU6GiSx9ZQryqs=
frodo:$2y$05$926C3y10Quzn/LnqQH86VOEVh/18T6RnLaS.khre96jLNL/7e.K5W
MiShil:$2y$05$0oHgwMehvoe8iAWS8I.7l.KoECXrwVaC16RPfaSCU5eVTFrATuMI2
DeokMan:공주님`
tempFile, err := ioutil.TempFile("", "htpasswd-test")
if err != nil {
t.Fatal("could not create temporary htpasswd file")
}
if _, err = tempFile.WriteString(testHtpasswdContent); err != nil {
t.Fatal("could not write temporary htpasswd file")
}
options := map[string]interface{}{
"realm": testRealm,
"path": tempFile.Name(),
}
ctx := context.Background()
accessController, err := newAccessController(options)
if err != nil {
t.Fatal("error creating access controller")
}
tempFile.Close()
var userNumber = 0
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := context.WithRequest(ctx, r)
authCtx, err := accessController.Authorized(ctx)
if err != nil {
switch err := err.(type) {
case auth.Challenge:
err.ServeHTTP(w, r)
w.WriteHeader(http.StatusUnauthorized)
return
default:
t.Fatalf("unexpected error authorizing request: %v", err)
}
}
userInfo, ok := authCtx.Value("auth.user").(auth.UserInfo)
if !ok {
t.Fatal("basic accessController did not set auth.user context")
}
if userInfo.Name != testUsers[userNumber] {
t.Fatalf("expected user name %q, got %q", testUsers[userNumber], userInfo.Name)
}
w.WriteHeader(http.StatusNoContent)
}))
client := &http.Client{
CheckRedirect: nil,
}
req, _ := http.NewRequest("GET", server.URL, nil)
resp, err := client.Do(req)
if err != nil {
t.Fatalf("unexpected error during GET: %v", err)
}
defer resp.Body.Close()
// Request should not be authorized
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("unexpected non-fail response status: %v != %v", resp.StatusCode, http.StatusUnauthorized)
}
nonbcrypt := map[string]struct{}{
"bilbo": {},
"DeokMan": {},
}
for i := 0; i < len(testUsers); i++ {
userNumber = i
req, err := http.NewRequest("GET", server.URL, nil)
if err != nil {
t.Fatalf("error allocating new request: %v", err)
}
req.SetBasicAuth(testUsers[i], testPasswords[i])
resp, err = client.Do(req)
if err != nil {
t.Fatalf("unexpected error during GET: %v", err)
}
defer resp.Body.Close()
if _, ok := nonbcrypt[testUsers[i]]; ok {
// these are not allowed.
// Request should be authorized
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("unexpected non-success response status: %v != %v for %s %s", resp.StatusCode, http.StatusUnauthorized, testUsers[i], testPasswords[i])
}
} else {
// Request should be authorized
if resp.StatusCode != http.StatusNoContent {
t.Fatalf("unexpected non-success response status: %v != %v for %s %s", resp.StatusCode, http.StatusNoContent, testUsers[i], testPasswords[i])
}
}
}
}

80
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/htpasswd/htpasswd.go generated vendored Normal file
View File

@ -0,0 +1,80 @@
package htpasswd
import (
"bufio"
"fmt"
"io"
"strings"
"golang.org/x/crypto/bcrypt"
)
// htpasswd holds a path to a system .htpasswd file and the machinery to parse
// it. Only bcrypt hash entries are supported.
type htpasswd struct {
entries map[string][]byte // maps username to password byte slice.
}
// newHTPasswd parses the reader and returns an htpasswd or an error.
func newHTPasswd(rd io.Reader) (*htpasswd, error) {
entries, err := parseHTPasswd(rd)
if err != nil {
return nil, err
}
return &htpasswd{entries: entries}, nil
}
// AuthenticateUser checks a given user:password credential against the
// receiving HTPasswd's file. If the check passes, nil is returned.
func (htpasswd *htpasswd) authenticateUser(username string, password string) error {
credentials, ok := htpasswd.entries[username]
if !ok {
// timing attack paranoia
bcrypt.CompareHashAndPassword([]byte{}, []byte(password))
return ErrAuthenticationFailure
}
err := bcrypt.CompareHashAndPassword([]byte(credentials), []byte(password))
if err != nil {
return ErrAuthenticationFailure
}
return nil
}
// parseHTPasswd parses the contents of htpasswd. This will read all the
// entries in the file, whether or not they are needed. An error is returned
// if an syntax errors are encountered or if the reader fails.
func parseHTPasswd(rd io.Reader) (map[string][]byte, error) {
entries := map[string][]byte{}
scanner := bufio.NewScanner(rd)
var line int
for scanner.Scan() {
line++ // 1-based line numbering
t := strings.TrimSpace(scanner.Text())
if len(t) < 1 {
continue
}
// lines that *begin* with a '#' are considered comments
if t[0] == '#' {
continue
}
i := strings.Index(t, ":")
if i < 0 || i >= len(t) {
return nil, fmt.Errorf("htpasswd: invalid entry at line %d: %q", line, scanner.Text())
}
entries[t[:i]] = []byte(t[i+1:])
}
if err := scanner.Err(); err != nil {
return nil, err
}
return entries, nil
}

85
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/htpasswd/htpasswd_test.go generated vendored Normal file
View File

@ -0,0 +1,85 @@
package htpasswd
import (
"fmt"
"reflect"
"strings"
"testing"
)
func TestParseHTPasswd(t *testing.T) {
for _, tc := range []struct {
desc string
input string
err error
entries map[string][]byte
}{
{
desc: "basic example",
input: `
# This is a comment in a basic example.
bilbo:{SHA}5siv5c0SHx681xU6GiSx9ZQryqs=
frodo:$2y$05$926C3y10Quzn/LnqQH86VOEVh/18T6RnLaS.khre96jLNL/7e.K5W
MiShil:$2y$05$0oHgwMehvoe8iAWS8I.7l.KoECXrwVaC16RPfaSCU5eVTFrATuMI2
DeokMan:공주님
`,
entries: map[string][]byte{
"bilbo": []byte("{SHA}5siv5c0SHx681xU6GiSx9ZQryqs="),
"frodo": []byte("$2y$05$926C3y10Quzn/LnqQH86VOEVh/18T6RnLaS.khre96jLNL/7e.K5W"),
"MiShil": []byte("$2y$05$0oHgwMehvoe8iAWS8I.7l.KoECXrwVaC16RPfaSCU5eVTFrATuMI2"),
"DeokMan": []byte("공주님"),
},
},
{
desc: "ensures comments are filtered",
input: `
# asdf:asdf
`,
},
{
desc: "ensure midline hash is not comment",
input: `
asdf:as#df
`,
entries: map[string][]byte{
"asdf": []byte("as#df"),
},
},
{
desc: "ensure midline hash is not comment",
input: `
# A valid comment
valid:entry
asdf
`,
err: fmt.Errorf(`htpasswd: invalid entry at line 4: "asdf"`),
},
} {
entries, err := parseHTPasswd(strings.NewReader(tc.input))
if err != tc.err {
if tc.err == nil {
t.Fatalf("%s: unexpected error: %v", tc.desc, err)
} else {
if err.Error() != tc.err.Error() { // use string equality here.
t.Fatalf("%s: expected error not returned: %v != %v", tc.desc, err, tc.err)
}
}
}
if tc.err != nil {
continue // don't test output
}
// allow empty and nil to be equal
if tc.entries == nil {
tc.entries = map[string][]byte{}
}
if !reflect.DeepEqual(entries, tc.entries) {
t.Fatalf("%s: entries not parsed correctly: %v != %v", tc.desc, entries, tc.entries)
}
}
}

3
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/silly/access.go generated vendored
View File

@ -66,7 +66,7 @@ func (ac *accessController) Authorized(ctx context.Context, accessRecords ...aut
return nil, &challenge
}
return context.WithValue(ctx, "auth.user", auth.UserInfo{Name: "silly"}), nil
return auth.WithUser(ctx, auth.UserInfo{Name: "silly"}), nil
}
type challenge struct {
@ -83,7 +83,6 @@ func (ch *challenge) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
w.Header().Set("WWW-Authenticate", header)
w.WriteHeader(http.StatusUnauthorized)
}
func (ch *challenge) Error() string {

1
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/silly/access_test.go generated vendored
View File

@ -22,6 +22,7 @@ func TestSillyAccessController(t *testing.T) {
switch err := err.(type) {
case auth.Challenge:
err.ServeHTTP(w, r)
w.WriteHeader(http.StatusUnauthorized)
return
default:
t.Fatalf("unexpected error authorizing request: %v", err)

3
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/token/accesscontroller.go generated vendored
View File

@ -117,10 +117,9 @@ func (ac *authChallenge) SetHeader(header http.Header) {
}
// ServeHttp handles writing the challenge response
// by setting the challenge header and status code.
// by setting the challenge header.
func (ac *authChallenge) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ac.SetHeader(w.Header())
w.WriteHeader(ac.Status())
}
// accessController implements the auth.AccessController interface.

2
Godeps/_workspace/src/github.com/docker/distribution/registry/auth/token/util.go generated vendored
View File

@ -7,7 +7,7 @@ import (
)
// joseBase64UrlEncode encodes the given data using the standard base64 url
// encoding format but with all trailing '=' characters ommitted in accordance
// encoding format but with all trailing '=' characters omitted in accordance
// with the jose specification.
// http://tools.ietf.org/html/draft-ietf-jose-json-web-signature-31#section-2
func joseBase64UrlEncode(b []byte) string {

125
Godeps/_workspace/src/github.com/docker/distribution/uuid/uuid.go generated vendored Normal file
View File

@ -0,0 +1,125 @@
// Package uuid provides simple UUID generation. Only version 4 style UUIDs
// can be generated.
//
// Please see http://tools.ietf.org/html/rfc4122 for details on UUIDs.
package uuid
import (
"crypto/rand"
"fmt"
"io"
"log"
"os"
"syscall"
"time"
)
const (
// Bits is the number of bits in a UUID
Bits = 128
// Size is the number of bytes in a UUID
Size = Bits / 8
format = "%08x-%04x-%04x-%04x-%012x"
)
var (
// ErrUUIDInvalid indicates a parsed string is not a valid uuid.
ErrUUIDInvalid = fmt.Errorf("invalid uuid")
// Loggerf can be used to override the default logging destination. Such
// log messages in this library should be logged at warning or higher.
Loggerf = log.Printf
)
// UUID represents a UUID value. UUIDs can be compared and set to other values
// and accessed by byte.
type UUID [Size]byte
// Generate creates a new, version 4 uuid.
func Generate() (u UUID) {
const (
// ensures we backoff for less than 450ms total. Use the following to
// select new value, in units of 10ms:
// n*(n+1)/2 = d -> n^2 + n - 2d -> n = (sqrt(8d + 1) - 1)/2
maxretries = 9
backoff = time.Millisecond * 10
)
var (
totalBackoff time.Duration
retries int
)
for {
// This should never block but the read may fail. Because of this,
// we just try to read the random number generator until we get
// something. This is a very rare condition but may happen.
b := time.Duration(retries) * backoff
time.Sleep(b)
totalBackoff += b
_, err := io.ReadFull(rand.Reader, u[:])
if err != nil {
if retryOnError(err) && retries < maxretries {
retries++
Loggerf("error generating version 4 uuid, retrying: %v", err)
continue
}
// Any other errors represent a system problem. What did someone
// do to /dev/urandom?
panic(fmt.Errorf("error reading random number generator, retried for %v: %v", totalBackoff.String(), err))
}
break
}
u[6] = (u[6] & 0x0f) | 0x40 // set version byte
u[8] = (u[8] & 0x3f) | 0x80 // set high order byte 0b10{8,9,a,b}
return u
}
// Parse attempts to extract a uuid from the string or returns an error.
func Parse(s string) (u UUID, err error) {
if len(s) != 36 {
return UUID{}, ErrUUIDInvalid
}
// create stack addresses for each section of the uuid.
p := make([][]byte, 5)
if _, err := fmt.Sscanf(s, format, &p[0], &p[1], &p[2], &p[3], &p[4]); err != nil {
return u, err
}
copy(u[0:4], p[0])
copy(u[4:6], p[1])
copy(u[6:8], p[2])
copy(u[8:10], p[3])
copy(u[10:16], p[4])
return
}
func (u UUID) String() string {
return fmt.Sprintf(format, u[:4], u[4:6], u[6:8], u[8:10], u[10:])
}
// retryOnError tries to detect whether or not retrying would be fruitful.
func retryOnError(err error) bool {
switch err := err.(type) {
case *os.PathError:
return retryOnError(err.Err) // unpack the target error
case syscall.Errno:
if err == syscall.EPERM {
// EPERM represents an entropy pool exhaustion, a condition under
// which we backoff and retry.
return true
}
}
return false
}

48
Godeps/_workspace/src/github.com/docker/distribution/uuid/uuid_test.go generated vendored Normal file
View File

@ -0,0 +1,48 @@
package uuid
import (
"testing"
)
const iterations = 1000
func TestUUID4Generation(t *testing.T) {
for i := 0; i < iterations; i++ {
u := Generate()
if u[6]&0xf0 != 0x40 {
t.Fatalf("version byte not correctly set: %v, %08b %08b", u, u[6], u[6]&0xf0)
}
if u[8]&0xc0 != 0x80 {
t.Fatalf("top order 8th byte not correctly set: %v, %b", u, u[8])
}
}
}
func TestParseAndEquality(t *testing.T) {
for i := 0; i < iterations; i++ {
u := Generate()
parsed, err := Parse(u.String())
if err != nil {
t.Fatalf("error parsing uuid %v: %v", u, err)
}
if parsed != u {
t.Fatalf("parsing round trip failed: %v != %v", parsed, u)
}
}
for _, c := range []string{
"bad",
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", // correct length, incorrect format
" 20cc7775-2671-43c7-8742-51d1cfa23258", // leading space
"20cc7775-2671-43c7-8742-51d1cfa23258 ", // trailing space
"00000000-0000-0000-0000-x00000000000", // out of range character
} {
if _, err := Parse(c); err == nil {
t.Fatalf("parsing %q should have failed", c)
}
}
}

4
client/changelist/files_changelist.go
View File

@ -9,8 +9,8 @@ import (
"sort"
"time"
"code.google.com/p/go-uuid/uuid"
"github.com/Sirupsen/logrus"
"github.com/docker/distribution/uuid"
)
// FileChangelist stores all the changes as files
@ -69,7 +69,7 @@ func (cl FileChangelist) Add(c Change) error {
if err != nil {
return err
}
filename := fmt.Sprintf("%020d_%s.change", time.Now().UnixNano(), uuid.New())
filename := fmt.Sprintf("%020d_%s.change", time.Now().UnixNano(), uuid.Generate())
return ioutil.WriteFile(path.Join(cl.dir, filename), cJSON, 0644)
}