services/sync/tests/unit/test_hmac_error.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/services/sync/tests/unit/test_hmac_error.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,247 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +Cu.import("resource://services-sync/engines.js");
     1.8 +Cu.import("resource://services-sync/service.js");
     1.9 +Cu.import("resource://services-sync/util.js");
    1.10 +Cu.import("resource://testing-common/services/sync/rotaryengine.js");
    1.11 +Cu.import("resource://testing-common/services/sync/utils.js");
    1.12 +
    1.13 +// Track HMAC error counts.
    1.14 +let hmacErrorCount = 0;
    1.15 +(function () {
    1.16 +  let hHE = Service.handleHMACEvent;
    1.17 +  Service.handleHMACEvent = function () {
    1.18 +    hmacErrorCount++;
    1.19 +    return hHE.call(Service);
    1.20 +  };
    1.21 +})();
    1.22 +
    1.23 +function shared_setup() {
    1.24 +  hmacErrorCount = 0;
    1.25 +
    1.26 +  // Do not instantiate SyncTestingInfrastructure; we need real crypto.
    1.27 +  ensureLegacyIdentityManager();
    1.28 +  setBasicCredentials("foo", "foo", "aabcdeabcdeabcdeabcdeabcde");
    1.29 +
    1.30 +  // Make sure RotaryEngine is the only one we sync.
    1.31 +  Service.engineManager._engines = {};
    1.32 +  Service.engineManager.register(RotaryEngine);
    1.33 +  let engine = Service.engineManager.get("rotary");
    1.34 +  engine.enabled = true;
    1.35 +  engine.lastSync = 123; // Needs to be non-zero so that tracker is queried.
    1.36 +  engine._store.items = {flying: "LNER Class A3 4472",
    1.37 +                         scotsman: "Flying Scotsman"};
    1.38 +  engine._tracker.addChangedID('scotsman', 0);
    1.39 +  do_check_eq(1, Service.engineManager.getEnabled().length);
    1.40 +
    1.41 +  let engines = {rotary:  {version: engine.version,
    1.42 +                           syncID:  engine.syncID},
    1.43 +                 clients: {version: Service.clientsEngine.version,
    1.44 +                           syncID:  Service.clientsEngine.syncID}};
    1.45 +
    1.46 +  // Common server objects.
    1.47 +  let global      = new ServerWBO("global", {engines: engines});
    1.48 +  let keysWBO     = new ServerWBO("keys");
    1.49 +  let rotaryColl  = new ServerCollection({}, true);
    1.50 +  let clientsColl = new ServerCollection({}, true);
    1.51 +
    1.52 +  return [engine, rotaryColl, clientsColl, keysWBO, global];
    1.53 +}
    1.54 +
    1.55 +add_test(function hmac_error_during_404() {
    1.56 +  _("Attempt to replicate the HMAC error setup.");
    1.57 +  let [engine, rotaryColl, clientsColl, keysWBO, global] = shared_setup();
    1.58 +
    1.59 +  // Hand out 404s for crypto/keys.
    1.60 +  let keysHandler    = keysWBO.handler();
    1.61 +  let key404Counter  = 0;
    1.62 +  let keys404Handler = function (request, response) {
    1.63 +    if (key404Counter > 0) {
    1.64 +      let body = "Not Found";
    1.65 +      response.setStatusLine(request.httpVersion, 404, body);
    1.66 +      response.bodyOutputStream.write(body, body.length);
    1.67 +      key404Counter--;
    1.68 +      return;
    1.69 +    }
    1.70 +    keysHandler(request, response);
    1.71 +  };
    1.72 +
    1.73 +  let collectionsHelper = track_collections_helper();
    1.74 +  let upd = collectionsHelper.with_updated_collection;
    1.75 +  let collections = collectionsHelper.collections;
    1.76 +  let handlers = {
    1.77 +    "/1.1/foo/info/collections": collectionsHelper.handler,
    1.78 +    "/1.1/foo/storage/meta/global": upd("meta", global.handler()),
    1.79 +    "/1.1/foo/storage/crypto/keys": upd("crypto", keys404Handler),
    1.80 +    "/1.1/foo/storage/clients": upd("clients", clientsColl.handler()),
    1.81 +    "/1.1/foo/storage/rotary": upd("rotary", rotaryColl.handler())
    1.82 +  };
    1.83 +
    1.84 +  let server = sync_httpd_setup(handlers);
    1.85 +  Service.serverURL = server.baseURI;
    1.86 +
    1.87 +  try {
    1.88 +    _("Syncing.");
    1.89 +    Service.sync();
    1.90 +    _("Partially resetting client, as if after a restart, and forcing redownload.");
    1.91 +    Service.collectionKeys.clear();
    1.92 +    engine.lastSync = 0;        // So that we redownload records.
    1.93 +    key404Counter = 1;
    1.94 +    _("---------------------------");
    1.95 +    Service.sync();
    1.96 +    _("---------------------------");
    1.97 +
    1.98 +    // Two rotary items, one client record... no errors.
    1.99 +    do_check_eq(hmacErrorCount, 0)
   1.100 +  } finally {
   1.101 +    Svc.Prefs.resetBranch("");
   1.102 +    Service.recordManager.clearCache();
   1.103 +    server.stop(run_next_test);
   1.104 +  }
   1.105 +});
   1.106 +
   1.107 +add_test(function hmac_error_during_node_reassignment() {
   1.108 +  _("Attempt to replicate an HMAC error during node reassignment.");
   1.109 +  let [engine, rotaryColl, clientsColl, keysWBO, global] = shared_setup();
   1.110 +
   1.111 +  let collectionsHelper = track_collections_helper();
   1.112 +  let upd = collectionsHelper.with_updated_collection;
   1.113 +
   1.114 +  // We'll provide a 401 mid-way through the sync. This function
   1.115 +  // simulates shifting to a node which has no data.
   1.116 +  function on401() {
   1.117 +    _("Deleting server data...");
   1.118 +    global.delete();
   1.119 +    rotaryColl.delete();
   1.120 +    keysWBO.delete();
   1.121 +    clientsColl.delete();
   1.122 +    delete collectionsHelper.collections.rotary;
   1.123 +    delete collectionsHelper.collections.crypto;
   1.124 +    delete collectionsHelper.collections.clients;
   1.125 +    _("Deleted server data.");
   1.126 +  }
   1.127 +
   1.128 +  let should401 = false;
   1.129 +  function upd401(coll, handler) {
   1.130 +    return function (request, response) {
   1.131 +      if (should401 && (request.method != "DELETE")) {
   1.132 +        on401();
   1.133 +        should401 = false;
   1.134 +        let body = "\"reassigned!\"";
   1.135 +        response.setStatusLine(request.httpVersion, 401, "Node reassignment.");
   1.136 +        response.bodyOutputStream.write(body, body.length);
   1.137 +        return;
   1.138 +      }
   1.139 +      handler(request, response);
   1.140 +    };
   1.141 +  }
   1.142 +
   1.143 +  function sameNodeHandler(request, response) {
   1.144 +    // Set this so that _setCluster will think we've really changed.
   1.145 +    let url = Service.serverURL.replace("localhost", "LOCALHOST");
   1.146 +    _("Client requesting reassignment; pointing them to " + url);
   1.147 +    response.setStatusLine(request.httpVersion, 200, "OK");
   1.148 +    response.bodyOutputStream.write(url, url.length);
   1.149 +  }
   1.150 +
   1.151 +  let handlers = {
   1.152 +    "/user/1.0/foo/node/weave":     sameNodeHandler,
   1.153 +    "/1.1/foo/info/collections":    collectionsHelper.handler,
   1.154 +    "/1.1/foo/storage/meta/global": upd("meta", global.handler()),
   1.155 +    "/1.1/foo/storage/crypto/keys": upd("crypto", keysWBO.handler()),
   1.156 +    "/1.1/foo/storage/clients":     upd401("clients", clientsColl.handler()),
   1.157 +    "/1.1/foo/storage/rotary":      upd("rotary", rotaryColl.handler())
   1.158 +  };
   1.159 +
   1.160 +  let server = sync_httpd_setup(handlers);
   1.161 +  Service.serverURL = server.baseURI;
   1.162 +  _("Syncing.");
   1.163 +  // First hit of clients will 401. This will happen after meta/global and
   1.164 +  // keys -- i.e., in the middle of the sync, but before RotaryEngine.
   1.165 +  should401 = true;
   1.166 +
   1.167 +  // Use observers to perform actions when our sync finishes.
   1.168 +  // This allows us to observe the automatic next-tick sync that occurs after
   1.169 +  // an abort.
   1.170 +  function onSyncError() {
   1.171 +    do_throw("Should not get a sync error!");
   1.172 +  }
   1.173 +  function onSyncFinished() {}
   1.174 +  let obs = {
   1.175 +    observe: function observe(subject, topic, data) {
   1.176 +      switch (topic) {
   1.177 +        case "weave:service:sync:error":
   1.178 +          onSyncError();
   1.179 +          break;
   1.180 +        case "weave:service:sync:finish":
   1.181 +          onSyncFinished();
   1.182 +          break;
   1.183 +      }
   1.184 +    }
   1.185 +  };
   1.186 +
   1.187 +  Svc.Obs.add("weave:service:sync:finish", obs);
   1.188 +  Svc.Obs.add("weave:service:sync:error", obs);
   1.189 +
   1.190 +  // This kicks off the actual test. Split into a function here to allow this
   1.191 +  // source file to broadly follow actual execution order.
   1.192 +  function onwards() {
   1.193 +    _("== Invoking first sync.");
   1.194 +    Service.sync();
   1.195 +    _("We should not simultaneously have data but no keys on the server.");
   1.196 +    let hasData = rotaryColl.wbo("flying") ||
   1.197 +                  rotaryColl.wbo("scotsman");
   1.198 +    let hasKeys = keysWBO.modified;
   1.199 +
   1.200 +    _("We correctly handle 401s by aborting the sync and starting again.");
   1.201 +    do_check_true(!hasData == !hasKeys);
   1.202 +
   1.203 +    _("Be prepared for the second (automatic) sync...");
   1.204 +  }
   1.205 +
   1.206 +  _("Make sure that syncing again causes recovery.");
   1.207 +  onSyncFinished = function() {
   1.208 +    _("== First sync done.");
   1.209 +    _("---------------------------");
   1.210 +    onSyncFinished = function() {
   1.211 +      _("== Second (automatic) sync done.");
   1.212 +      hasData = rotaryColl.wbo("flying") ||
   1.213 +                rotaryColl.wbo("scotsman");
   1.214 +      hasKeys = keysWBO.modified;
   1.215 +      do_check_true(!hasData == !hasKeys);
   1.216 +
   1.217 +      // Kick off another sync. Can't just call it, because we're inside the
   1.218 +      // lock...
   1.219 +      Utils.nextTick(function() {
   1.220 +        _("Now a fresh sync will get no HMAC errors.");
   1.221 +        _("Partially resetting client, as if after a restart, and forcing redownload.");
   1.222 +        Service.collectionKeys.clear();
   1.223 +        engine.lastSync = 0;
   1.224 +        hmacErrorCount = 0;
   1.225 +
   1.226 +        onSyncFinished = function() {
   1.227 +          // Two rotary items, one client record... no errors.
   1.228 +          do_check_eq(hmacErrorCount, 0)
   1.229 +
   1.230 +          Svc.Obs.remove("weave:service:sync:finish", obs);
   1.231 +          Svc.Obs.remove("weave:service:sync:error", obs);
   1.232 +
   1.233 +          Svc.Prefs.resetBranch("");
   1.234 +          Service.recordManager.clearCache();
   1.235 +          server.stop(run_next_test);
   1.236 +        };
   1.237 +
   1.238 +        Service.sync();
   1.239 +      },
   1.240 +      this);
   1.241 +    };
   1.242 +  };
   1.243 +
   1.244 +  onwards();
   1.245 +});
   1.246 +
   1.247 +function run_test() {
   1.248 +  initTestLogging("Trace");
   1.249 +  run_next_test();
   1.250 +}

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