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file_storage_test.go
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package prekeyserver
import (
"io/ioutil"
"os"
"path"
"time"
"github.com/otrv4/gotrx"
. "gopkg.in/check.v1"
)
const testDir = "__dir_for_tests"
// The sha256 for foo@example.org
const hexForUser1 = "D862FC5F7C662759FC6560B58153D3097852C10833045259C1B183A9AB59395A"
var prefixHexForUser1 = hexForUser1[0:4]
// The sha256 for someone@example.org
const hexForUser2 = "79A6123C2DB3B110C92F2872D217545DFC5FF5147BBDD47E67E72F223747A538"
var prefixHexForUser2 = hexForUser2[0:4]
// The sha256 for someoneElse@example.org
const hexForUser3 = "2B4DED05CD84F1430D50EB5ABB945576C14FEABF6820D8AFE06910328C3BD04F"
var prefixHexForUser3 = hexForUser3[0:4]
// The sha256 for someoneThird@example.org
const hexForUser4 = "97B01CE3DB56F98CA00BB4523337B12BA40D4D44A5CCD4B29EEAB288888D2F8D"
var prefixHexForUser4 = hexForUser4[0:4]
func (s *GenericServerSuite) Test_fileStorage_numberStored_returns0ForUnknownUser(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fs := &fileStorage{path: testDir}
c.Assert(fs.numberStored("foo@example.org", 0x11223344), Equals, uint32(0))
}
func (s *GenericServerSuite) Test_fileStorage_numberStored_returnsNumberOfPrekeyMessages(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fsf, e := createFileStorageFactoryFrom("dir:" + testDir)
c.Assert(e, IsNil)
fs := fsf.createStorage()
gs := &GenericServer{
rand: gotrx.FixtureRand(),
}
pm1, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pm2, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pmDir := path.Join(testDir, prefixHexForUser1, hexForUser1, "11223344", "pm")
os.MkdirAll(pmDir, 0700)
ioutil.WriteFile(path.Join(pmDir, formatUint32(pm1.identifier)+".bin"), pm1.serialize(), 0600)
ioutil.WriteFile(path.Join(pmDir, formatUint32(pm2.identifier)+".bin"), pm2.serialize(), 0600)
c.Assert(fs.numberStored("foo@example.org", 0x11223344), Equals, uint32(2))
}
func listDir(dir string) []os.FileInfo {
v, _ := ioutil.ReadDir(dir)
return v
}
func (s *GenericServerSuite) Test_fileStorage_cleanup_willRemoveExpiredClientProfiles(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
cp := generateSitaTestData().clientProfile
cp.Expiration = time.Date(2017, 11, 5, 13, 46, 00, 13, time.UTC)
cp.Sig = gotrx.CreateEddsaSignature(cp.GenerateSignature(sita.longTerm))
cp2 := generateSitaTestData().clientProfile
cp2.InstanceTag = 0x42424242
cp2.Sig = gotrx.CreateEddsaSignature(cp2.GenerateSignature(sita.longTerm))
fs.storeClientProfile("someone@example.org", cp)
fs.storeClientProfile("someone@example.org", cp2)
fs.storeClientProfile("someoneElse@example.org", sita.clientProfile)
fs.storeClientProfile("someoneThird@example.org", cp)
fs.cleanup()
c.Assert(listDir(testDir), HasLen, 2)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2)), HasLen, 1)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "cp.bin")), Equals, true)
c.Assert(listDir(path.Join(testDir, prefixHexForUser3, hexForUser3)), HasLen, 1)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser3, hexForUser3, "1245ABCD", "cp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4, hexForUser4)), Equals, false)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4)), Equals, false)
}
func (s *GenericServerSuite) Test_fileStorage_cleanup_willRemoveExpiredPrekeyProfiles(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
gs := &GenericServer{
rand: gotrx.FixtureRand(),
}
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
pp1, _ := generatePrekeyProfile(gs, sita.instanceTag, time.Date(2017, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
pp2, _ := generatePrekeyProfile(gs, 0x42424242, time.Date(2028, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
fs.storePrekeyProfile("someone@example.org", pp1)
fs.storePrekeyProfile("someone@example.org", pp2)
fs.storePrekeyProfile("someoneElse@example.org", pp2)
fs.storePrekeyProfile("someoneThird@example.org", pp1)
fs.cleanup()
c.Assert(listDir(testDir), HasLen, 2)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2)), HasLen, 1)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "pp.bin")), Equals, true)
c.Assert(listDir(path.Join(testDir, prefixHexForUser3, hexForUser3)), HasLen, 1)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser3, hexForUser3, "42424242", "pp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4, hexForUser4)), Equals, false)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4)), Equals, false)
}
func (s *GenericServerSuite) Test_fileStorage_cleanup_shouldNotRemoveUserIfThereArePrekeyMessages(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
gs := &GenericServer{
rand: gotrx.FixtureRand(),
}
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
pp1, _ := generatePrekeyProfile(gs, sita.instanceTag, time.Date(2017, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
pp2, _ := generatePrekeyProfile(gs, 0x42424242, time.Date(2028, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
pm1, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
fs.storePrekeyProfile("someone@example.org", pp1)
fs.storePrekeyProfile("someone@example.org", pp2)
fs.storePrekeyProfile("someoneElse@example.org", pp2)
fs.storePrekeyProfile("someoneThird@example.org", pp1)
fs.storePrekeyMessages("someoneThird@example.org", []*prekeyMessage{pm1})
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4, hexForUser4, "1245ABCD", "pp.bin")), Equals, true)
fs.cleanup()
c.Assert(listDir(testDir), HasLen, 3)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2)), HasLen, 1)
c.Assert(listDir(path.Join(testDir, prefixHexForUser3, hexForUser3)), HasLen, 1)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser4, hexForUser4, "1245ABCD", "pp.bin")), Equals, false)
c.Assert(listDir(path.Join(testDir, prefixHexForUser4, hexForUser4, "1245ABCD", "pm")), HasLen, 1)
}
func (s *GenericServerSuite) Test_fileStorage_retrieveFor_willReturnAPrekeyEnsembleForEachInstanceTag(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
gs := &GenericServer{
rand: gotrx.FixtureRand(),
}
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
cp := generateSitaTestData().clientProfile
cp2 := generateSitaTestData().clientProfile
cp2.InstanceTag = 0x42424242
cp2.Sig = gotrx.CreateEddsaSignature(cp2.GenerateSignature(sita.longTerm))
pp1, _ := generatePrekeyProfile(gs, sita.instanceTag, time.Date(2029, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
pp2, _ := generatePrekeyProfile(gs, 0x42424242, time.Date(2028, 11, 5, 4, 46, 00, 13, time.UTC), sita.longTerm)
pm1, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pm2, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pm3, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pm4, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
pm2x1, _, _, _ := generatePrekeyMessage(gs, 0x42424242)
pm2x2, _, _, _ := generatePrekeyMessage(gs, 0x42424242)
pm2x3, _, _, _ := generatePrekeyMessage(gs, 0x42424242)
fs.storeClientProfile("someone@example.org", cp)
fs.storeClientProfile("someone@example.org", cp2)
fs.storePrekeyProfile("someone@example.org", pp1)
fs.storePrekeyProfile("someone@example.org", pp2)
fs.storePrekeyMessages("someone@example.org", []*prekeyMessage{pm1, pm2, pm3, pm4})
fs.storePrekeyMessages("someone@example.org", []*prekeyMessage{pm2x1, pm2x2, pm2x3})
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "cp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "cp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "pp.bin")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm")), Equals, true)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "pm")), Equals, true)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm")), HasLen, 4)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "pm")), HasLen, 3)
pes := fs.retrieveFor("someone@example.org")
c.Assert(pes, HasLen, 2)
c.Assert(pes[0].cp.Sig, DeepEquals, cp.Sig)
c.Assert(pes[1].cp.Sig, DeepEquals, cp2.Sig)
c.Assert(pes[0].pp.sig, DeepEquals, pp1.sig)
c.Assert(pes[1].pp.sig, DeepEquals, pp2.sig)
c.Assert(pes[0].pm.identifier, DeepEquals, pm2.identifier)
c.Assert(pes[0].pm.b, DeepEquals, pm2.b)
c.Assert(pes[1].pm.identifier, DeepEquals, pm2x1.identifier)
c.Assert(pes[1].pm.b, DeepEquals, pm2x1.b)
c.Assert(listDir(testDir), HasLen, 1)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2)), HasLen, 2)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm")), HasLen, 3)
c.Assert(listDir(path.Join(testDir, prefixHexForUser2, hexForUser2, "42424242", "pm")), HasLen, 2)
pes = fs.retrieveFor("someone@example.org")
c.Assert(pes, HasLen, 2)
c.Assert(pes[0].pm.identifier, DeepEquals, pm3.identifier)
c.Assert(pes[1].pm.identifier, DeepEquals, pm2x2.identifier)
pes = fs.retrieveFor("someone@example.org")
c.Assert(pes, HasLen, 2)
c.Assert(pes[0].pm.identifier, DeepEquals, pm4.identifier)
c.Assert(pes[1].pm.identifier, DeepEquals, pm2x3.identifier)
pes = fs.retrieveFor("someone@example.org")
c.Assert(pes, HasLen, 1)
c.Assert(pes[0].pm.identifier, DeepEquals, pm1.identifier)
pes = fs.retrieveFor("someone@example.org")
c.Assert(pes, HasLen, 0)
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm")), Equals, true)
fs.cleanup()
c.Assert(entryExists(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm")), Equals, false)
}
func (s *GenericServerSuite) Test_fileStorage_storePrekeyMessages_reportsErrorWhenItCantWriteToTheDirectory(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
gs := &GenericServer{
rand: gotrx.FixtureRand(),
}
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
os.MkdirAll(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD"), 0700)
os.Mkdir(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD", "pm"), 0500)
pm1, _, _, _ := generatePrekeyMessage(gs, sita.instanceTag)
e := fs.storePrekeyMessages("someone@example.org", []*prekeyMessage{pm1})
c.Assert(e, ErrorMatches, "open __dir_for_tests/79A6/79A6123C2DB3B110C92F2872D217545DFC5FF5147BBDD47E67E72F223747A538/1245ABCD/pm/ABCDABCD.bin: permission denied")
}
func (s *GenericServerSuite) Test_fileStorage_numberStored_returns0WhenItCantReadThePmDir(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
os.MkdirAll(path.Join(testDir, prefixHexForUser2, hexForUser2, "1245ABCD"), 0700)
res := fs.numberStored("someone@example.org", 0x1245ABCD)
c.Assert(res, Equals, uint32(0))
}
func (s *GenericServerSuite) Test_fileStorage_retrieveFor_returnsEmptyForNonExistantUser(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
res := fs.retrieveFor("someone@example.org")
c.Assert(res, HasLen, 0)
}
func (s *GenericServerSuite) Test_fileStorage_retrieveFor_returnsEmptyIfItCantReadDirectory(c *C) {
os.Mkdir(testDir, 0700)
defer os.RemoveAll(testDir)
fsf, _ := createFileStorageFactoryFrom("dir:" + testDir)
fs := fsf.createStorage()
os.Mkdir(path.Join(testDir, prefixHexForUser2), 0700)
os.Mkdir(path.Join(testDir, prefixHexForUser2, hexForUser2), 0000)
res := fs.retrieveFor("someone@example.org")
c.Assert(res, HasLen, 0)
}
func (s *GenericServerSuite) Test_fileStorage_listDirsIn_returnsEmptyIfItCantReadDirectory(c *C) {
os.Mkdir(testDir, 0600)
defer os.RemoveAll(testDir)
c.Assert(listDirsIn(testDir), HasLen, 0)
}
func (s *GenericServerSuite) Test_fileStorage_listInstanceTagsIn_returnsEmptyIfItCantReadDirectory(c *C) {
os.Mkdir(testDir, 0600)
defer os.RemoveAll(testDir)
c.Assert(listInstanceTagsIn(testDir), HasLen, 0)
}
func (s *GenericServerSuite) Test_fileStorage_cleanupClientProfile_returnsErrorIfItCantReadTheFile(c *C) {
os.Mkdir(testDir, 0600)
defer os.RemoveAll(testDir)
ioutil.WriteFile(path.Join(testDir, "cp.bin"), []byte{}, 0200)
c.Assert(cleanupClientProfile(testDir), ErrorMatches, "open __dir_for_tests/cp.bin: permission denied")
}
func (s *GenericServerSuite) Test_fileStorage_cleanupPrekeyProfile_returnsErrorIfItCantReadTheFile(c *C) {
os.Mkdir(testDir, 0600)
defer os.RemoveAll(testDir)
ioutil.WriteFile(path.Join(testDir, "pp.bin"), []byte{}, 0200)
c.Assert(cleanupPrekeyProfile(testDir), ErrorMatches, "open __dir_for_tests/pp.bin: permission denied")
}