Added adapter for Conversant Media

adapters.json

@@ -7,6 +7,7 @@
     "aol",
     "appnexus",
     "appnexusAst",
+    "conversant",
     "getintent",
     "hiromedia",
     "indexExchange",

src/adapters/conversant.js

@@ -0,0 +1,230 @@
+'use strict';
+var VERSION = '2.0.0',
+    CONSTANTS = require('../constants.json'),
+    utils = require('../utils.js'),
+    bidfactory = require('../bidfactory.js'),
+    bidmanager = require('../bidmanager.js'),
+    adloader = require('../adloader');
+
+/**
+ * Adapter for requesting bids from Conversant
+ */
+var ConversantAdapter = function () {
+  var w = window,
+    n = navigator;
+
+  // production endpoint
+  var conversantUrl = '//media.msg.dotomi.com/s2s/header?callback=$$PREBID_GLOBAL$$.conversantResponse';
+
+  // SSAPI returns JSONP with window.pbjs.conversantResponse as the cb
+  var appendScript = function (code) {
+    var script = document.createElement('script');
+    script.type = 'text/javascript';
+    script.className = 'cnvr-response';
+
+    try {
+      script.appendChild(document.createTextNode(code));
+      document.getElementsByTagName('head')[0].appendChild(script);
+    } catch (e) {
+      script.text = code;
+      document.getElementsByTagName('head')[0].appendChild(script);
+    }
+  };
+
+  var httpPOSTAsync = function (url, data) {
+    var xmlHttp = new w.XMLHttpRequest();
+
+    xmlHttp.onload = function () {
+      appendScript(xmlHttp.responseText);
+    };
+    xmlHttp.open('POST', url, true); // true for asynchronous
+    xmlHttp.withCredentials = true;
+    xmlHttp.send(data);
+  };
+
+  var getDNT = function () {
+    return n.doNotTrack === '1' || w.doNotTrack === '1' || n.msDoNotTrack === '1' || n.doNotTrack === 'yes';
+  };
+
+  var getDevice = function () {
+    return {
+      h: screen.height,
+      w: screen.width,
+      dnt: getDNT() ? 1 : 0,
+      language: n.language.split('-')[0],
+      make: n.vendor ? n.vendor : '',
+      ua: n.userAgent
+    };
+  };
+
+  var callBids = function (params) {
+    var conversantBids = params.bids || [];
+    requestBids(conversantBids);
+  };
+
+  var requestBids = function (bidReqs) {
+    // build bid request object
+    var page = location.pathname + location.search + location.hash,
+      siteId = '',
+      conversantImps = [],
+      conversantBidReqs,
+      secure = 0;
+
+    //build impression array for conversant
+    utils._each(bidReqs, function (bid) {
+      var bidfloor = utils.getBidIdParamater('bidloor', bid.params),
+        sizeArrayLength = bid.sizes.length,
+        adW = 0,
+        adH = 0,
+        imp;
+
+      secure = utils.getBidIdParamater('secure', bid.params) ? 1 : secure;
+      siteId = utils.getBidIdParamater('site_id', bid.params);
+
+      if (sizeArrayLength === 2 && typeof bid.sizes[0] === 'number' && typeof bid.sizes[1] === 'number') {
+        adW = bid.sizes[0];
+        adH = bid.sizes[1];
+      } else {
+        adW = bid.sizes[0][0];
+        adH = bid.sizes[0][1];
+      }
+
+      imp = {
+        id: bid.bidId,
+        banner: {
+          w: adW,
+          h: adH
+        },
+        secure: secure,
+        bidfloor: bidfloor ? bidfloor : 0,
+        displaymanager: 'Prebid.js',
+        displaymanagerver: VERSION
+      };
+
+      conversantImps.push(imp);
+    });
+
+    conversantBidReqs = {
+      'id': utils.getUniqueIdentifierStr(),
+      'imp': conversantImps,
+
+      'site': {
+        'id': siteId,
+        'mobile': document.querySelector('meta[name="viewport"][content*="width=device-width"]') !== null ? 1 : 0,
+        'page': page
+      },
+
+      'device': getDevice(),
+      'at': 1
+    };
+
+    var url = secure ? 'https:' + conversantUrl : location.protocol + conversantUrl;
+    httpPOSTAsync(url, JSON.stringify(conversantBidReqs));
+  };
+
+  var addEmptyBidResponses = function (placementsWithBidsBack) {
+    var allConversantBidRequests = $$PREBID_GLOBAL$$._bidsRequested.find(bidSet => bidSet.bidderCode === 'conversant');
+
+    if (allConversantBidRequests && allConversantBidRequests.bids){
+      utils._each(allConversantBidRequests.bids, function (conversantBid) {
+        if (!utils.contains(placementsWithBidsBack, conversantBid.placementCode)) {
+          // Add a no-bid response for this placement.
+          var bid = bidfactory.createBid(2, conversantBid);
+          bid.bidderCode = 'conversant';
+          bidmanager.addBidResponse(conversantBid.placementCode, bid);
+        }
+      });
+    }
+  };
+
+  var parseSeatbid = function (bidResponse) {
+    var placementsWithBidsBack = [];
+    utils._each(bidResponse.bid, function (conversantBid) {
+      var responseCPM,
+        placementCode = '',
+        id = conversantBid.impid,
+        bid = {},
+        responseAd,
+        responseNurl,
+        sizeArrayLength;
+
+      // Bid request we sent Conversant
+      var bidRequested = $$PREBID_GLOBAL$$._bidsRequested.find(bidSet => bidSet.bidderCode === 'conversant').bids.find(bid => bid.bidId === id);
+
+      if (bidRequested) {
+        placementCode = bidRequested.placementCode;
+        placementsWithBidsBack.push(placementCode);
+        bidRequested.status = CONSTANTS.STATUS.GOOD;
+
+        responseCPM = parseFloat(conversantBid.price);
+
+        if (responseCPM !== 0.0) {
+          conversantBid.placementCode = placementCode;
+          conversantBid.size = bidRequested.sizes;
+          responseAd = conversantBid.adm || '';
+          responseNurl = conversantBid.nurl || '';
+
+          // Our bid!
+          bid = bidfactory.createBid(1);
+          bid.creative_id = conversantBid.id || '';
+          bid.bidderCode = 'conversant';
+
+          bid.cpm = responseCPM;
+
+          // Track impression image onto returned html
+          bid.ad = responseAd + '<img src=\"' + responseNurl + '\" />';
+
+          sizeArrayLength = bidRequested.sizes.length;
+          if (sizeArrayLength === 2 && typeof bidRequested.sizes[0] === 'number' && typeof bidRequested.sizes[1] === 'number') {
+            bid.width = bidRequested.sizes[0];
+            bid.height = bidRequested.sizes[1];
+          } else {
+            bid.width = bidRequested.sizes[0][0];
+            bid.height = bidRequested.sizes[0][1];
+          }
+
+          bidmanager.addBidResponse(placementCode, bid);
+        } else {
+          //0 price bid
+          //indicate that there is no bid for this placement
+          bid = bidfactory.createBid(2);
+          bid.bidderCode = 'conversant';
+          bidmanager.addBidResponse(placementCode, bid);
+        }
+      }
+    });
+    addEmptyBidResponses(placementsWithBidsBack);
+  };
+
+  // Register our callback to the global object:
+  $$PREBID_GLOBAL$$.conversantResponse = function (conversantResponseObj, path) {
+    // valid object?
+    if (conversantResponseObj && conversantResponseObj.id) {
+      if (conversantResponseObj.seatbid && conversantResponseObj.seatbid.length > 0 && conversantResponseObj.seatbid[0].bid && conversantResponseObj.seatbid[0].bid.length > 0) {
+        utils._each(conversantResponseObj.seatbid, parseSeatbid);
+      } else {
+        //no response data for any placements
+        addEmptyBidResponses([]);
+      }
+    } else {
+      //no response data for any placements
+      addEmptyBidResponses([]);
+    }
+    // for debugging purposes
+    if (path){
+      adloader.loadScript(path, function () {
+        var allConversantBidRequests = $$PREBID_GLOBAL$$._bidsRequested.find(bidSet => bidSet.bidderCode === 'conversant');
+
+        if ($$PREBID_GLOBAL$$.conversantDebugResponse){
+          $$PREBID_GLOBAL$$.conversantDebugResponse(allConversantBidRequests);
+        }
+      });
+    }
+  }; // conversantResponse
+
+  return {
+    callBids: callBids
+  };
+};
+
+module.exports = ConversantAdapter;