strophe.CAPS.js

// Generated by CoffeeScript 1.8.0
(function() {
  Strophe.addConnectionPlugin('caps', (function() {
    var addFeature, conn, createCapsNode, generateVerificationString, init, propertySort, removeFeature, sendPres;
    conn = null;
    init = function(c) {
      conn = c;
      Strophe.addNamespace('CAPS', "http://jabber.org/protocol/caps");
      if (conn.disco === void 0) {
        throw new Error("disco plugin required!");
      }
      if (b64_sha1 === void 0) {
        throw new Error("SHA-1 library required!");
      }
      conn.disco.addFeature(Strophe.NS.CAPS);
      conn.disco.addFeature(Strophe.NS.DISCO_INFO);
      if (conn.disco._identities.length === 0) {
        return conn.disco.addIdentity("client", "pc", "strophejs", "");
      }
    };
    addFeature = function(feature) {
      return conn.disco.addFeature(feature);
    };
    removeFeature = function(feature) {
      return conn.disco.removeFeature(feature);
    };
    sendPres = function() {
      return conn.send($pres().cnode(createCapsNode().tree()));
    };
    createCapsNode = function() {
      var node;
      if (conn.disco._identities.length > 0) {
        node = conn.disco._identities[0].name || "";
      } else {
        node = dummyId.name;
      }
      return $build("c", {
        xmlns: Strophe.NS.CAPS,
        hash: "sha-1",
        node: node,
        ver: generateVerificationString()
      });
    };
    propertySort = function(array, property) {
      return array.sort(function(a, b) {
        if (a[property] > b[property]) {
          return -1;
        } else {
          return 1;
        }
      });
    };
    generateVerificationString = function() {
      var S, features, i, id, ids, k, key, ns, _i, _j, _k, _len, _len1, _len2, _ref, _ref1;
      ids = [];
      _ref = conn.disco._identities;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        i = _ref[_i];
        ids.push(i);
      }
      features = [];
      _ref1 = conn.disco._features;
      for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
        k = _ref1[_j];
        features.push(k);
      }
      S = "";
      propertySort(ids, "category");
      propertySort(ids, "type");
      propertySort(ids, "lang");
      for (key in ids) {
        id = ids[key];
        S += "" + id.category + "/" + id.type + "/" + id.lang + "/" + id.name + "<";
      }
      features.sort();
      for (_k = 0, _len2 = features.length; _k < _len2; _k++) {
        ns = features[_k];
        S += "" + ns + "<";
      }
      return "" + (b64_sha1(S)) + "=";
    };
    return {
      init: init,
      removeFeature: removeFeature,
      addFeature: addFeature,
      sendPres: sendPres,
      generateVerificationString: generateVerificationString,
      createCapsNode: createCapsNode
    };
  })());

}).call(this);