diff --git a/tests/handlers/test_e2e_keys.py b/tests/handlers/test_e2e_keys.py
index a62c52eefa..854eb6c024 100644
--- a/tests/handlers/test_e2e_keys.py
+++ b/tests/handlers/test_e2e_keys.py
@@ -17,9 +17,11 @@
import mock
+import signedjson.key as key
+import signedjson.sign as sign
+
from twisted.internet import defer
-import synapse.api.errors
import synapse.handlers.e2e_keys
import synapse.storage
from synapse.api import errors
@@ -182,6 +184,96 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
self.assertDictEqual(devices["master_keys"], {local_user: keys2["master_key"]})
@defer.inlineCallbacks
+ def test_reupload_signatures(self):
+ """re-uploading a signature should not fail"""
+ local_user = "@boris:" + self.hs.hostname
+ keys1 = {
+ "master_key": {
+ # private key: HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8
+ "user_id": local_user,
+ "usage": ["master"],
+ "keys": {
+ "ed25519:EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ": "EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ"
+ },
+ },
+ "self_signing_key": {
+ # private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
+ "user_id": local_user,
+ "usage": ["self_signing"],
+ "keys": {
+ "ed25519:nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk": "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
+ },
+ },
+ }
+ master_signing_key = key.decode_signing_key_base64(
+ "ed25519",
+ "EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ",
+ "HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8",
+ )
+ sign.sign_json(keys1["self_signing_key"], local_user, master_signing_key)
+ signing_key = key.decode_signing_key_base64(
+ "ed25519",
+ "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk",
+ "2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0",
+ )
+ yield self.handler.upload_signing_keys_for_user(local_user, keys1)
+
+ # upload two device keys, which will be signed later by the self-signing key
+ device_key_1 = {
+ "user_id": local_user,
+ "device_id": "abc",
+ "algorithms": ["m.olm.curve25519-aes-sha256", "m.megolm.v1.aes-sha"],
+ "keys": {
+ "ed25519:abc": "base64+ed25519+key",
+ "curve25519:abc": "base64+curve25519+key",
+ },
+ "signatures": {local_user: {"ed25519:abc": "base64+signature"}},
+ }
+ device_key_2 = {
+ "user_id": local_user,
+ "device_id": "def",
+ "algorithms": ["m.olm.curve25519-aes-sha256", "m.megolm.v1.aes-sha"],
+ "keys": {
+ "ed25519:def": "base64+ed25519+key",
+ "curve25519:def": "base64+curve25519+key",
+ },
+ "signatures": {local_user: {"ed25519:def": "base64+signature"}},
+ }
+
+ yield self.handler.upload_keys_for_user(
+ local_user, "abc", {"device_keys": device_key_1}
+ )
+ yield self.handler.upload_keys_for_user(
+ local_user, "def", {"device_keys": device_key_2}
+ )
+
+ # sign the first device key and upload it
+ del device_key_1["signatures"]
+ sign.sign_json(device_key_1, local_user, signing_key)
+ yield self.handler.upload_signatures_for_device_keys(
+ local_user, {local_user: {"abc": device_key_1}}
+ )
+
+ # sign the second device key and upload both device keys. The server
+ # should ignore the first device key since it already has a valid
+ # signature for it
+ del device_key_2["signatures"]
+ sign.sign_json(device_key_2, local_user, signing_key)
+ yield self.handler.upload_signatures_for_device_keys(
+ local_user, {local_user: {"abc": device_key_1, "def": device_key_2}}
+ )
+
+ device_key_1["signatures"][local_user]["ed25519:abc"] = "base64+signature"
+ device_key_2["signatures"][local_user]["ed25519:def"] = "base64+signature"
+ devices = yield self.handler.query_devices(
+ {"device_keys": {local_user: []}}, 0, local_user
+ )
+ del devices["device_keys"][local_user]["abc"]["unsigned"]
+ del devices["device_keys"][local_user]["def"]["unsigned"]
+ self.assertDictEqual(devices["device_keys"][local_user]["abc"], device_key_1)
+ self.assertDictEqual(devices["device_keys"][local_user]["def"], device_key_2)
+
+ @defer.inlineCallbacks
def test_self_signing_key_doesnt_show_up_as_device(self):
"""signing keys should be hidden when fetching a user's devices"""
local_user = "@boris:" + self.hs.hostname
@@ -210,3 +302,204 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
res = yield self.handler.query_local_devices({local_user: None})
self.assertDictEqual(res, {local_user: {}})
+
+ @defer.inlineCallbacks
+ def test_upload_signatures(self):
+ """should check signatures that are uploaded"""
+ # set up a user with cross-signing keys and a device. This user will
+ # try uploading signatures
+ local_user = "@boris:" + self.hs.hostname
+ device_id = "xyz"
+ # private key: OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA
+ device_pubkey = "NnHhnqiMFQkq969szYkooLaBAXW244ZOxgukCvm2ZeY"
+ device_key = {
+ "user_id": local_user,
+ "device_id": device_id,
+ "algorithms": ["m.olm.curve25519-aes-sha256", "m.megolm.v1.aes-sha"],
+ "keys": {"curve25519:xyz": "curve25519+key", "ed25519:xyz": device_pubkey},
+ "signatures": {local_user: {"ed25519:xyz": "something"}},
+ }
+ device_signing_key = key.decode_signing_key_base64(
+ "ed25519", "xyz", "OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA"
+ )
+
+ yield self.handler.upload_keys_for_user(
+ local_user, device_id, {"device_keys": device_key}
+ )
+
+ # private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
+ master_pubkey = "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
+ master_key = {
+ "user_id": local_user,
+ "usage": ["master"],
+ "keys": {"ed25519:" + master_pubkey: master_pubkey},
+ }
+ master_signing_key = key.decode_signing_key_base64(
+ "ed25519", master_pubkey, "2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0"
+ )
+ usersigning_pubkey = "Hq6gL+utB4ET+UvD5ci0kgAwsX6qP/zvf8v6OInU5iw"
+ usersigning_key = {
+ # private key: 4TL4AjRYwDVwD3pqQzcor+ez/euOB1/q78aTJ+czDNs
+ "user_id": local_user,
+ "usage": ["user_signing"],
+ "keys": {"ed25519:" + usersigning_pubkey: usersigning_pubkey},
+ }
+ usersigning_signing_key = key.decode_signing_key_base64(
+ "ed25519", usersigning_pubkey, "4TL4AjRYwDVwD3pqQzcor+ez/euOB1/q78aTJ+czDNs"
+ )
+ sign.sign_json(usersigning_key, local_user, master_signing_key)
+ # private key: HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8
+ selfsigning_pubkey = "EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ"
+ selfsigning_key = {
+ "user_id": local_user,
+ "usage": ["self_signing"],
+ "keys": {"ed25519:" + selfsigning_pubkey: selfsigning_pubkey},
+ }
+ selfsigning_signing_key = key.decode_signing_key_base64(
+ "ed25519", selfsigning_pubkey, "HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8"
+ )
+ sign.sign_json(selfsigning_key, local_user, master_signing_key)
+ cross_signing_keys = {
+ "master_key": master_key,
+ "user_signing_key": usersigning_key,
+ "self_signing_key": selfsigning_key,
+ }
+ yield self.handler.upload_signing_keys_for_user(local_user, cross_signing_keys)
+
+ # set up another user with a master key. This user will be signed by
+ # the first user
+ other_user = "@otherboris:" + self.hs.hostname
+ other_master_pubkey = "fHZ3NPiKxoLQm5OoZbKa99SYxprOjNs4TwJUKP+twCM"
+ other_master_key = {
+ # private key: oyw2ZUx0O4GifbfFYM0nQvj9CL0b8B7cyN4FprtK8OI
+ "user_id": other_user,
+ "usage": ["master"],
+ "keys": {"ed25519:" + other_master_pubkey: other_master_pubkey},
+ }
+ yield self.handler.upload_signing_keys_for_user(
+ other_user, {"master_key": other_master_key}
+ )
+
+ # test various signature failures (see below)
+ ret = yield self.handler.upload_signatures_for_device_keys(
+ local_user,
+ {
+ local_user: {
+ # fails because the signature is invalid
+ # should fail with INVALID_SIGNATURE
+ device_id: {
+ "user_id": local_user,
+ "device_id": device_id,
+ "algorithms": [
+ "m.olm.curve25519-aes-sha256",
+ "m.megolm.v1.aes-sha",
+ ],
+ "keys": {
+ "curve25519:xyz": "curve25519+key",
+ # private key: OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA
+ "ed25519:xyz": device_pubkey,
+ },
+ "signatures": {
+ local_user: {"ed25519:" + selfsigning_pubkey: "something"}
+ },
+ },
+ # fails because device is unknown
+ # should fail with NOT_FOUND
+ "unknown": {
+ "user_id": local_user,
+ "device_id": "unknown",
+ "signatures": {
+ local_user: {"ed25519:" + selfsigning_pubkey: "something"}
+ },
+ },
+ # fails because the signature is invalid
+ # should fail with INVALID_SIGNATURE
+ master_pubkey: {
+ "user_id": local_user,
+ "usage": ["master"],
+ "keys": {"ed25519:" + master_pubkey: master_pubkey},
+ "signatures": {
+ local_user: {"ed25519:" + device_pubkey: "something"}
+ },
+ },
+ },
+ other_user: {
+ # fails because the device is not the user's master-signing key
+ # should fail with NOT_FOUND
+ "unknown": {
+ "user_id": other_user,
+ "device_id": "unknown",
+ "signatures": {
+ local_user: {"ed25519:" + usersigning_pubkey: "something"}
+ },
+ },
+ other_master_pubkey: {
+ # fails because the key doesn't match what the server has
+ # should fail with UNKNOWN
+ "user_id": other_user,
+ "usage": ["master"],
+ "keys": {"ed25519:" + other_master_pubkey: other_master_pubkey},
+ "something": "random",
+ "signatures": {
+ local_user: {"ed25519:" + usersigning_pubkey: "something"}
+ },
+ },
+ },
+ },
+ )
+
+ user_failures = ret["failures"][local_user]
+ self.assertEqual(
+ user_failures[device_id]["errcode"], errors.Codes.INVALID_SIGNATURE
+ )
+ self.assertEqual(
+ user_failures[master_pubkey]["errcode"], errors.Codes.INVALID_SIGNATURE
+ )
+ self.assertEqual(user_failures["unknown"]["errcode"], errors.Codes.NOT_FOUND)
+
+ other_user_failures = ret["failures"][other_user]
+ self.assertEqual(
+ other_user_failures["unknown"]["errcode"], errors.Codes.NOT_FOUND
+ )
+ self.assertEqual(
+ other_user_failures[other_master_pubkey]["errcode"], errors.Codes.UNKNOWN
+ )
+
+ # test successful signatures
+ del device_key["signatures"]
+ sign.sign_json(device_key, local_user, selfsigning_signing_key)
+ sign.sign_json(master_key, local_user, device_signing_key)
+ sign.sign_json(other_master_key, local_user, usersigning_signing_key)
+ ret = yield self.handler.upload_signatures_for_device_keys(
+ local_user,
+ {
+ local_user: {device_id: device_key, master_pubkey: master_key},
+ other_user: {other_master_pubkey: other_master_key},
+ },
+ )
+
+ self.assertEqual(ret["failures"], {})
+
+ # fetch the signed keys/devices and make sure that the signatures are there
+ ret = yield self.handler.query_devices(
+ {"device_keys": {local_user: [], other_user: []}}, 0, local_user
+ )
+
+ self.assertEqual(
+ ret["device_keys"][local_user]["xyz"]["signatures"][local_user][
+ "ed25519:" + selfsigning_pubkey
+ ],
+ device_key["signatures"][local_user]["ed25519:" + selfsigning_pubkey],
+ )
+ self.assertEqual(
+ ret["master_keys"][local_user]["signatures"][local_user][
+ "ed25519:" + device_id
+ ],
+ master_key["signatures"][local_user]["ed25519:" + device_id],
+ )
+ self.assertEqual(
+ ret["master_keys"][other_user]["signatures"][local_user][
+ "ed25519:" + usersigning_pubkey
+ ],
+ other_master_key["signatures"][local_user]["ed25519:" + usersigning_pubkey],
+ )
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