tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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nonTrickleIce.js (3550B)


      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 function removeTrickleOption(desc) {
      6  var sdp = desc.sdp.replace(/\r\na=ice-options:trickle\r\n/, "\r\n");
      7  return new RTCSessionDescription({ type: desc.type, sdp });
      8 }
      9 
     10 function makeOffererNonTrickle(chain) {
     11  chain.replace("PC_LOCAL_SETUP_ICE_HANDLER", [
     12    function PC_LOCAL_SETUP_NOTRICKLE_ICE_HANDLER(test) {
     13      // We need to install this callback before calling setLocalDescription
     14      // otherwise we might miss callbacks
     15      test.pcLocal.setupIceCandidateHandler(test, () => {});
     16      // We ignore ICE candidates because we want the full offer
     17    },
     18  ]);
     19  chain.replace("PC_REMOTE_GET_OFFER", [
     20    function PC_REMOTE_GET_FULL_OFFER(test) {
     21      return test.pcLocal.endOfTrickleIce.then(() => {
     22        test._local_offer = removeTrickleOption(test.pcLocal.localDescription);
     23        test._offer_constraints = test.pcLocal.constraints;
     24        test._offer_options = test.pcLocal.offerOptions;
     25      });
     26    },
     27  ]);
     28  chain.insertAfter("PC_REMOTE_SANE_REMOTE_SDP", [
     29    function PC_REMOTE_REQUIRE_REMOTE_SDP_CANDIDATES(test) {
     30      info(
     31        "test.pcLocal.localDescription.sdp: " +
     32          JSON.stringify(test.pcLocal.localDescription.sdp)
     33      );
     34      info("test._local_offer.sdp" + JSON.stringify(test._local_offer.sdp));
     35      is(
     36        test.pcRemote._pc.canTrickleIceCandidates,
     37        false,
     38        "Remote thinks that trickle isn't supported"
     39      );
     40      ok(!test.localRequiresTrickleIce, "Local does NOT require trickle");
     41      ok(
     42        test._local_offer.sdp.includes("a=candidate"),
     43        "offer has ICE candidates"
     44      );
     45      ok(
     46        test._local_offer.sdp.includes("a=end-of-candidates"),
     47        "offer has end-of-candidates"
     48      );
     49    },
     50  ]);
     51  chain.remove("PC_REMOTE_CHECK_CAN_TRICKLE_SYNC");
     52 }
     53 
     54 function makeAnswererNonTrickle(chain) {
     55  chain.replace("PC_REMOTE_SETUP_ICE_HANDLER", [
     56    function PC_REMOTE_SETUP_NOTRICKLE_ICE_HANDLER(test) {
     57      // We need to install this callback before calling setLocalDescription
     58      // otherwise we might miss callbacks
     59      test.pcRemote.setupIceCandidateHandler(test, () => {});
     60      // We ignore ICE candidates because we want the full offer
     61    },
     62  ]);
     63  chain.replace("PC_LOCAL_GET_ANSWER", [
     64    function PC_LOCAL_GET_FULL_ANSWER(test) {
     65      return test.pcRemote.endOfTrickleIce.then(() => {
     66        test._remote_answer = removeTrickleOption(
     67          test.pcRemote.localDescription
     68        );
     69        test._answer_constraints = test.pcRemote.constraints;
     70      });
     71    },
     72  ]);
     73  chain.insertAfter("PC_LOCAL_SANE_REMOTE_SDP", [
     74    function PC_LOCAL_REQUIRE_REMOTE_SDP_CANDIDATES(test) {
     75      info(
     76        "test.pcRemote.localDescription.sdp: " +
     77          JSON.stringify(test.pcRemote.localDescription.sdp)
     78      );
     79      info("test._remote_answer.sdp" + JSON.stringify(test._remote_answer.sdp));
     80      is(
     81        test.pcLocal._pc.canTrickleIceCandidates,
     82        false,
     83        "Local thinks that trickle isn't supported"
     84      );
     85      ok(!test.remoteRequiresTrickleIce, "Remote does NOT require trickle");
     86      ok(
     87        test._remote_answer.sdp.includes("a=candidate"),
     88        "answer has ICE candidates"
     89      );
     90      ok(
     91        test._remote_answer.sdp.includes("a=end-of-candidates"),
     92        "answer has end-of-candidates"
     93      );
     94    },
     95  ]);
     96  chain.remove("PC_LOCAL_CHECK_CAN_TRICKLE_SYNC");
     97 }