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account_key_test.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2015-2021 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package asserts_test
import (
"encoding/base64"
"fmt"
"path/filepath"
"strings"
"time"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/asserts"
"github.com/snapcore/snapd/asserts/assertstest"
)
type accountKeySuite struct {
privKey asserts.PrivateKey
pubKeyBody string
keyID string
since, until time.Time
sinceLine, untilLine string
}
var _ = Suite(&accountKeySuite{})
func (aks *accountKeySuite) SetUpSuite(c *C) {
cfg1 := &asserts.DatabaseConfig{}
accDb, err := asserts.OpenDatabase(cfg1)
c.Assert(err, IsNil)
aks.privKey = testPrivKey1
err = accDb.ImportKey(aks.privKey)
c.Assert(err, IsNil)
aks.keyID = aks.privKey.PublicKey().ID()
pubKey, err := accDb.PublicKey(aks.keyID)
c.Assert(err, IsNil)
pubKeyEncoded, err := asserts.EncodePublicKey(pubKey)
c.Assert(err, IsNil)
aks.pubKeyBody = string(pubKeyEncoded)
aks.since, err = time.Parse(time.RFC822, "16 Nov 15 15:04 UTC")
c.Assert(err, IsNil)
aks.until = aks.since.AddDate(1, 0, 0)
aks.sinceLine = "since: " + aks.since.Format(time.RFC3339) + "\n"
aks.untilLine = "until: " + aks.until.Format(time.RFC3339) + "\n"
}
func (aks *accountKeySuite) TestDecodeOK(c *C) {
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
c.Check(a.Type(), Equals, asserts.AccountKeyType)
accKey := a.(*asserts.AccountKey)
c.Check(accKey.AccountID(), Equals, "acc-id1")
c.Check(accKey.Name(), Equals, "default")
c.Check(accKey.PublicKeyID(), Equals, aks.keyID)
c.Check(accKey.Since(), Equals, aks.since)
// no constraints, anything goes
c.Check(accKey.ConstraintsPrecheck(asserts.AccountKeyType, nil), IsNil)
}
func (aks *accountKeySuite) TestDecodeNoName(c *C) {
// XXX: remove this test once name is mandatory
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
c.Check(a.Type(), Equals, asserts.AccountKeyType)
accKey := a.(*asserts.AccountKey)
c.Check(accKey.AccountID(), Equals, "acc-id1")
c.Check(accKey.Name(), Equals, "")
c.Check(accKey.PublicKeyID(), Equals, aks.keyID)
c.Check(accKey.Since(), Equals, aks.since)
}
func (aks *accountKeySuite) TestUntil(c *C) {
untilSinceLine := "until: " + aks.since.Format(time.RFC3339) + "\n"
tests := []struct {
untilLine string
until time.Time
}{
{"", time.Time{}}, // zero time default
{aks.untilLine, aks.until}, // in the future
{untilSinceLine, aks.since}, // same as since
}
for _, test := range tests {
c.Log(test)
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
test.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"openpgp c2ln"
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
c.Check(accKey.Until(), Equals, test.until)
}
}
const (
accKeyErrPrefix = "assertion account-key: "
accKeyReqErrPrefix = "assertion account-key-request: "
)
func (aks *accountKeySuite) TestDecodeInvalidHeaders(c *C) {
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
untilPast := aks.since.AddDate(-1, 0, 0)
untilPastLine := "until: " + untilPast.Format(time.RFC3339) + "\n"
invalidHeaderTests := []struct{ original, invalid, expectedErr string }{
{"account-id: acc-id1\n", "", `"account-id" header is mandatory`},
{"account-id: acc-id1\n", "account-id: \n", `"account-id" header should not be empty`},
// XXX: enable this once name is mandatory
// {"name: default\n", "", `"name" header is mandatory`},
{"name: default\n", "name: \n", `"name" header should not be empty`},
{"name: default\n", "name: a b\n", `"name" header contains invalid characters: "a b"`},
{"name: default\n", "name: -default\n", `"name" header contains invalid characters: "-default"`},
{"name: default\n", "name: foo:bar\n", `"name" header contains invalid characters: "foo:bar"`},
{"name: default\n", "name: a--b\n", `"name" header contains invalid characters: "a--b"`},
{"name: default\n", "name: 42\n", `"name" header contains invalid characters: "42"`},
{"public-key-sha3-384: " + aks.keyID + "\n", "", `"public-key-sha3-384" header is mandatory`},
{"public-key-sha3-384: " + aks.keyID + "\n", "public-key-sha3-384: \n", `"public-key-sha3-384" header should not be empty`},
{aks.sinceLine, "", `"since" header is mandatory`},
{aks.sinceLine, "since: \n", `"since" header should not be empty`},
{aks.sinceLine, "since: 12:30\n", `"since" header is not a RFC3339 date: .*`},
{aks.sinceLine, "since: \n", `"since" header should not be empty`},
{aks.untilLine, "until: \n", `"until" header is not a RFC3339 date: .*`},
{aks.untilLine, "until: 12:30\n", `"until" header is not a RFC3339 date: .*`},
{aks.untilLine, untilPastLine, `'until' time cannot be before 'since' time`},
}
for _, test := range invalidHeaderTests {
invalid := strings.Replace(encoded, test.original, test.invalid, 1)
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, accKeyErrPrefix+test.expectedErr)
}
}
func (aks *accountKeySuite) TestDecodeInvalidPublicKey(c *C) {
headers := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine
raw, err := base64.StdEncoding.DecodeString(aks.pubKeyBody)
c.Assert(err, IsNil)
spurious := base64.StdEncoding.EncodeToString(append(raw, "gorp"...))
invalidPublicKeyTests := []struct{ body, expectedErr string }{
{"", "cannot decode public key: no data"},
{"==", "cannot decode public key: .*"},
{"stuff", "cannot decode public key: .*"},
{"AnNpZw==", "unsupported public key format version: 2"},
{"AUJST0tFTg==", "cannot decode public key: .*"},
{spurious, "public key has spurious trailing data"},
}
for _, test := range invalidPublicKeyTests {
invalid := headers +
fmt.Sprintf("body-length: %v", len(test.body)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
test.body + "\n\n" +
"AXNpZw=="
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, accKeyErrPrefix+test.expectedErr)
}
}
func (aks *accountKeySuite) TestDecodeKeyIDMismatch(c *C) {
invalid := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: aa\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, accKeyErrPrefix+"public key does not match provided key id")
}
func (aks *accountKeySuite) openDB(c *C) *asserts.Database {
trustedKey := testPrivKey0
topDir := filepath.Join(c.MkDir(), "asserts-db")
bs, err := asserts.OpenFSBackstore(topDir)
c.Assert(err, IsNil)
cfg := &asserts.DatabaseConfig{
Backstore: bs,
Trusted: []asserts.Assertion{
asserts.BootstrapAccountForTest("canonical"),
asserts.BootstrapAccountKeyForTest("canonical", trustedKey.PublicKey()),
},
}
db, err := asserts.OpenDatabase(cfg)
c.Assert(err, IsNil)
return db
}
func (aks *accountKeySuite) prereqAccount(c *C, db *asserts.Database) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"display-name": "Acct1",
"account-id": "acc-id1",
"username": "acc-id1",
"validation": "unproven",
"timestamp": aks.since.Format(time.RFC3339),
}
acct1, err := asserts.AssembleAndSignInTest(asserts.AccountType, headers, nil, trustedKey)
c.Assert(err, IsNil)
// prereq
db.Add(acct1)
}
func (aks *accountKeySuite) TestAccountKeyCheck(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Check(accKey)
c.Assert(err, IsNil)
}
func (aks *accountKeySuite) TestAccountKeyCheckNoAccount(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
err = db.Check(accKey)
c.Assert(err, ErrorMatches, `account-key assertion for "acc-id1" does not have a matching account assertion`)
}
func (aks *accountKeySuite) TestAccountKeyCheckUntrustedAuthority(c *C) {
trustedKey := testPrivKey0
db := aks.openDB(c)
storeDB := assertstest.NewSigningDB("canonical", trustedKey)
otherDB := setup3rdPartySigning(c, "other", storeDB, db)
headers := map[string]interface{}{
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := otherDB.Sign(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), "")
c.Assert(err, IsNil)
err = db.Check(accKey)
c.Assert(err, ErrorMatches, `account-key assertion for "acc-id1" is not signed by a directly trusted authority:.*`)
}
func (aks *accountKeySuite) TestAccountKeyCheckSameNameAndNewRevision(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Add(accKey)
c.Assert(err, IsNil)
headers["revision"] = "1"
newAccKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
err = db.Check(newAccKey)
c.Assert(err, IsNil)
}
func (aks *accountKeySuite) TestAccountKeyCheckSameAccountAndDifferentName(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Add(accKey)
c.Assert(err, IsNil)
newPrivKey, _ := assertstest.GenerateKey(752)
err = db.ImportKey(newPrivKey)
c.Assert(err, IsNil)
newPubKey, err := db.PublicKey(newPrivKey.PublicKey().ID())
c.Assert(err, IsNil)
newPubKeyEncoded, err := asserts.EncodePublicKey(newPubKey)
c.Assert(err, IsNil)
headers["name"] = "another"
headers["public-key-sha3-384"] = newPubKey.ID()
newAccKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, newPubKeyEncoded, trustedKey)
c.Assert(err, IsNil)
err = db.Check(newAccKey)
c.Assert(err, IsNil)
}
func (aks *accountKeySuite) TestAccountKeyCheckSameNameAndDifferentAccount(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
err = db.ImportKey(trustedKey)
c.Assert(err, IsNil)
aks.prereqAccount(c, db)
err = db.Add(accKey)
c.Assert(err, IsNil)
newPrivKey, _ := assertstest.GenerateKey(752)
err = db.ImportKey(newPrivKey)
c.Assert(err, IsNil)
newPubKey, err := db.PublicKey(newPrivKey.PublicKey().ID())
c.Assert(err, IsNil)
newPubKeyEncoded, err := asserts.EncodePublicKey(newPubKey)
c.Assert(err, IsNil)
acct2 := assertstest.NewAccount(db, "acc-id2", map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id2",
}, trustedKey.PublicKey().ID())
db.Add(acct2)
headers["account-id"] = "acc-id2"
headers["public-key-sha3-384"] = newPubKey.ID()
headers["revision"] = "1"
newAccKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, newPubKeyEncoded, trustedKey)
c.Assert(err, IsNil)
err = db.Check(newAccKey)
c.Assert(err, IsNil)
}
func (aks *accountKeySuite) TestAccountKeyCheckNameClash(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Add(accKey)
c.Assert(err, IsNil)
newPrivKey, _ := assertstest.GenerateKey(752)
err = db.ImportKey(newPrivKey)
c.Assert(err, IsNil)
newPubKey, err := db.PublicKey(newPrivKey.PublicKey().ID())
c.Assert(err, IsNil)
newPubKeyEncoded, err := asserts.EncodePublicKey(newPubKey)
c.Assert(err, IsNil)
headers["public-key-sha3-384"] = newPubKey.ID()
headers["revision"] = "1"
newAccKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, newPubKeyEncoded, trustedKey)
c.Assert(err, IsNil)
err = db.Check(newAccKey)
c.Assert(err, ErrorMatches, fmt.Sprintf(`account-key assertion for "acc-id1" with ID %q has the same name "default" as existing ID %q`, newPubKey.ID(), aks.keyID))
}
func (aks *accountKeySuite) TestAccountKeyAddAndFind(c *C) {
trustedKey := testPrivKey0
headers := map[string]interface{}{
"authority-id": "canonical",
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
"until": aks.until.Format(time.RFC3339),
}
accKey, err := asserts.AssembleAndSignInTest(asserts.AccountKeyType, headers, []byte(aks.pubKeyBody), trustedKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Add(accKey)
c.Assert(err, IsNil)
found, err := db.Find(asserts.AccountKeyType, map[string]string{
"account-id": "acc-id1",
"public-key-sha3-384": aks.keyID,
})
c.Assert(err, IsNil)
c.Assert(found, NotNil)
c.Check(found.Body(), DeepEquals, []byte(aks.pubKeyBody))
}
func (aks *accountKeySuite) TestPublicKeyIsValidAt(c *C) {
// With since and until, i.e. signing account-key expires.
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since), Equals, true)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, -1)), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, 1)), Equals, true)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until.AddDate(0, -1, 0)), Equals, true)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until.AddDate(0, 1, 0)), Equals, false)
// With no until, i.e. signing account-key never expires.
encoded = "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"openpgp c2ln"
a, err = asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey = a.(*asserts.AccountKey)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since), Equals, true)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, -1)), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, 1)), Equals, true)
// With since == until, i.e. signing account-key has been revoked.
encoded = "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
"until: " + aks.since.Format(time.RFC3339) + "\n" +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"openpgp c2ln"
a, err = asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey = a.(*asserts.AccountKey)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, -1)), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.since.AddDate(0, 0, 1)), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until.AddDate(0, -1, 0)), Equals, false)
c.Check(asserts.AccountKeyIsKeyValidAt(accKey, aks.until.AddDate(0, 1, 0)), Equals, false)
}
func (aks *accountKeySuite) TestPublicKeyIsValidAssumingCurTimeWithinWithUntilPunctual(c *C) {
// With since and until, i.e. signing account-key expires.
// Key is valid over [since, until)
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
tests := []struct {
timePt time.Time
valid bool
}{
{aks.since, true},
{aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, -2, 0), false},
{aks.until, false},
{aks.until.AddDate(0, 3, 0), false},
{aks.until.AddDate(0, -2, 0), true},
}
for _, t := range tests {
c.Check(asserts.IsValidAssumingCurTimeWithin(accKey, t.timePt, t.timePt), Equals, t.valid)
}
}
func (aks *accountKeySuite) TestPublicKeyIsValidAssumingCurTimeWithinNoUntilPunctual(c *C) {
// With since but no until, i.e. signing account-key never expires.
// Key is valid for time >= since.
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
later := aks.until
tests := []struct {
timePt time.Time
valid bool
}{
{aks.since, true},
{aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, -2, 0), false},
{later, true},
{later.AddDate(0, 3, 0), true},
}
for _, t := range tests {
c.Check(asserts.IsValidAssumingCurTimeWithin(accKey, t.timePt, t.timePt), Equals, t.valid)
}
}
func (aks *accountKeySuite) TestPublicKeyIsValidAssumingCurTimeWithinWithUntilInterval(c *C) {
// With since and until, i.e. signing account-key expires.
// Key is valid over [since, until)
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
z := time.Time{}
tests := []struct {
earliest time.Time
latest time.Time
valid bool
}{
{aks.since, aks.until, true},
{aks.since, aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, 1, 0), aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, 1, 0), aks.until, true},
{aks.until, aks.until.AddDate(0, 3, 0), false},
{aks.until.AddDate(0, 2, 0), aks.until.AddDate(0, 3, 0), false},
{aks.since.AddDate(0, -1, 0), aks.since, true},
{aks.since.AddDate(0, -1, 0), aks.since.AddDate(0, 1, 0), true},
{aks.since.AddDate(0, -2, 0), aks.since.AddDate(0, -2, 0), false},
{aks.until.AddDate(0, -1, 0), aks.until.AddDate(0, 1, 0), true},
{aks.since, z, true},
{aks.since.AddDate(0, 1, 0), z, true},
{aks.since.AddDate(0, -3, 0), z, true},
{aks.until, z, false},
{aks.until.AddDate(0, 1, 0), z, false},
// with earliest set to time.Time zero
{z, aks.since, true},
{z, aks.since.AddDate(0, 1, 0), true},
{z, aks.since.AddDate(0, -2, 0), false},
{z, aks.until.AddDate(0, 1, 0), true},
{z, z, true},
}
for _, t := range tests {
c.Check(asserts.IsValidAssumingCurTimeWithin(accKey, t.earliest, t.latest), Equals, t.valid)
}
}
func (aks *accountKeySuite) TestPublicKeyIsValidAssumingCurTimeWithinNoUntilInterval(c *C) {
// With since but no until, i.e. signing account-key never expires.
// Key is valid for time >= since.
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
accKey := a.(*asserts.AccountKey)
z := time.Time{}
later := aks.until
tests := []struct {
earliest time.Time
latest time.Time
valid bool
}{
{aks.since, later, true},
{aks.since, aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, 1, 0), aks.since.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, 1, 0), later, true},
{later, later.AddDate(0, 3, 0), true},
{later.AddDate(0, 2, 0), later.AddDate(0, 3, 0), true},
{aks.since.AddDate(0, -1, 0), aks.since, true},
{aks.since.AddDate(0, -1, 0), aks.since.AddDate(0, 1, 0), true},
{aks.since.AddDate(0, -2, 0), aks.since.AddDate(0, -2, 0), false},
{later.AddDate(0, -1, 0), later.AddDate(0, 1, 0), true},
{aks.since, z, true},
{aks.since.AddDate(0, 1, 0), z, true},
{aks.since.AddDate(0, -3, 0), z, true},
{later, z, true},
{later.AddDate(0, 1, 0), z, true},
// with earliest set to time.Time zero
{z, aks.since, true},
{z, aks.since.AddDate(0, 1, 0), true},
{z, aks.since.AddDate(0, -2, 0), false},
{z, later.AddDate(0, 1, 0), true},
{z, z, true},
}
for _, t := range tests {
c.Check(asserts.IsValidAssumingCurTimeWithin(accKey, t.earliest, t.latest), Equals, t.valid)
}
}
func (aks *accountKeySuite) TestPrerequisites(c *C) {
encoded := "type: account-key\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: Jv8_JiHiIzJVcO9M55pPdqSDWUvuhfDIBJUS-3VW7F_idjix7Ffn5qMxB21ZQuij" + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
a, err := asserts.Decode([]byte(encoded))
c.Assert(err, IsNil)
prereqs := a.Prerequisites()
c.Assert(prereqs, HasLen, 1)
c.Check(prereqs[0], DeepEquals, &asserts.Ref{
Type: asserts.AccountType,
PrimaryKey: []string{"acc-id1"},
})
}
func (aks *accountKeySuite) TestAccountKeyRequestHappy(c *C) {
akr, err := asserts.SignWithoutAuthority(asserts.AccountKeyRequestType,
map[string]interface{}{
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
}, []byte(aks.pubKeyBody), aks.privKey)
c.Assert(err, IsNil)
// roundtrip
a, err := asserts.Decode(asserts.Encode(akr))
c.Assert(err, IsNil)
akr2, ok := a.(*asserts.AccountKeyRequest)
c.Assert(ok, Equals, true)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Check(akr2)
c.Check(err, IsNil)
c.Check(akr2.AccountID(), Equals, "acc-id1")
c.Check(akr2.Name(), Equals, "default")
c.Check(akr2.PublicKeyID(), Equals, aks.keyID)
c.Check(akr2.Since(), Equals, aks.since)
}
func (aks *accountKeySuite) TestAccountKeyRequestUntil(c *C) {
db := aks.openDB(c)
aks.prereqAccount(c, db)
tests := []struct {
untilHeader string
until time.Time
}{
{"", time.Time{}}, // zero time default
{aks.until.Format(time.RFC3339), aks.until}, // in the future
{aks.since.Format(time.RFC3339), aks.since}, // same as since
}
for _, test := range tests {
c.Log(test)
headers := map[string]interface{}{
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
}
if test.untilHeader != "" {
headers["until"] = test.untilHeader
}
akr, err := asserts.SignWithoutAuthority(asserts.AccountKeyRequestType, headers, []byte(aks.pubKeyBody), aks.privKey)
c.Assert(err, IsNil)
a, err := asserts.Decode(asserts.Encode(akr))
c.Assert(err, IsNil)
akr2 := a.(*asserts.AccountKeyRequest)
c.Check(akr2.Until(), Equals, test.until)
err = db.Check(akr2)
c.Check(err, IsNil)
}
}
func (aks *accountKeySuite) TestAccountKeyRequestAddAndFind(c *C) {
akr, err := asserts.SignWithoutAuthority(asserts.AccountKeyRequestType,
map[string]interface{}{
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
}, []byte(aks.pubKeyBody), aks.privKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
aks.prereqAccount(c, db)
err = db.Add(akr)
c.Assert(err, IsNil)
found, err := db.Find(asserts.AccountKeyRequestType, map[string]string{
"account-id": "acc-id1",
"public-key-sha3-384": aks.keyID,
})
c.Assert(err, IsNil)
c.Assert(found, NotNil)
c.Check(found.Body(), DeepEquals, []byte(aks.pubKeyBody))
}
func (aks *accountKeySuite) TestAccountKeyRequestDecodeInvalid(c *C) {
encoded := "type: account-key-request\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: " + aks.privKey.PublicKey().ID() + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
untilPast := aks.since.AddDate(-1, 0, 0)
untilPastLine := "until: " + untilPast.Format(time.RFC3339) + "\n"
invalidTests := []struct{ original, invalid, expectedErr string }{
{"account-id: acc-id1\n", "", `"account-id" header is mandatory`},
{"account-id: acc-id1\n", "account-id: \n", `"account-id" header should not be empty`},
{"name: default\n", "", `"name" header is mandatory`},
{"name: default\n", "name: \n", `"name" header should not be empty`},
{"name: default\n", "name: a b\n", `"name" header contains invalid characters: "a b"`},
{"name: default\n", "name: -default\n", `"name" header contains invalid characters: "-default"`},
{"name: default\n", "name: foo:bar\n", `"name" header contains invalid characters: "foo:bar"`},
{"public-key-sha3-384: " + aks.keyID + "\n", "", `"public-key-sha3-384" header is mandatory`},
{"public-key-sha3-384: " + aks.keyID + "\n", "public-key-sha3-384: \n", `"public-key-sha3-384" header should not be empty`},
{aks.sinceLine, "", `"since" header is mandatory`},
{aks.sinceLine, "since: \n", `"since" header should not be empty`},
{aks.sinceLine, "since: 12:30\n", `"since" header is not a RFC3339 date: .*`},
{aks.sinceLine, "since: \n", `"since" header should not be empty`},
{aks.untilLine, "until: \n", `"until" header is not a RFC3339 date: .*`},
{aks.untilLine, "until: 12:30\n", `"until" header is not a RFC3339 date: .*`},
{aks.untilLine, untilPastLine, `'until' time cannot be before 'since' time`},
}
for _, test := range invalidTests {
invalid := strings.Replace(encoded, test.original, test.invalid, 1)
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, accKeyReqErrPrefix+test.expectedErr)
}
}
func (aks *accountKeySuite) TestAccountKeyRequestDecodeInvalidPublicKey(c *C) {
headers := "type: account-key-request\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: " + aks.keyID + "\n" +
aks.sinceLine +
aks.untilLine
raw, err := base64.StdEncoding.DecodeString(aks.pubKeyBody)
c.Assert(err, IsNil)
spurious := base64.StdEncoding.EncodeToString(append(raw, "gorp"...))
invalidPublicKeyTests := []struct{ body, expectedErr string }{
{"", "cannot decode public key: no data"},
{"==", "cannot decode public key: .*"},
{"stuff", "cannot decode public key: .*"},
{"AnNpZw==", "unsupported public key format version: 2"},
{"AUJST0tFTg==", "cannot decode public key: .*"},
{spurious, "public key has spurious trailing data"},
}
for _, test := range invalidPublicKeyTests {
invalid := headers +
fmt.Sprintf("body-length: %v", len(test.body)) + "\n" +
"sign-key-sha3-384: " + aks.privKey.PublicKey().ID() + "\n\n" +
test.body + "\n\n" +
"AXNpZw=="
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, accKeyReqErrPrefix+test.expectedErr)
}
}
func (aks *accountKeySuite) TestAccountKeyRequestDecodeKeyIDMismatch(c *C) {
invalid := "type: account-key-request\n" +
"account-id: acc-id1\n" +
"name: default\n" +
"public-key-sha3-384: aa\n" +
aks.sinceLine +
aks.untilLine +
fmt.Sprintf("body-length: %v", len(aks.pubKeyBody)) + "\n" +
"sign-key-sha3-384: " + aks.privKey.PublicKey().ID() + "\n\n" +
aks.pubKeyBody + "\n\n" +
"AXNpZw=="
_, err := asserts.Decode([]byte(invalid))
c.Check(err, ErrorMatches, "assertion account-key-request: public key does not match provided key id")
}
func (aks *accountKeySuite) TestAccountKeyRequestNoAccount(c *C) {
headers := map[string]interface{}{
"account-id": "acc-id1",
"name": "default",
"public-key-sha3-384": aks.keyID,
"since": aks.since.Format(time.RFC3339),
}
akr, err := asserts.SignWithoutAuthority(asserts.AccountKeyRequestType, headers, []byte(aks.pubKeyBody), aks.privKey)
c.Assert(err, IsNil)
db := aks.openDB(c)
err = db.Check(akr)
c.Assert(err, ErrorMatches, `account-key-request assertion for "acc-id1" does not have a matching account assertion`)
}
func (aks *accountKeySuite) TestDecodeConstraints(c *C) {
encoded := "type: account-key\n" +
"format: 1\n" +
"authority-id: canonical\n" +
"account-id: acc-id1\n" +
"name: default\n" +