prebid · mike-chowla · Jun 18, 2018 · Jun 11, 2018 · Jun 13, 2018 · Jun 13, 2018
diff --git a/modules/fyberBidAdapter.js b/modules/fyberBidAdapter.js
@@ -0,0 +1,378 @@
+import {logError, getTopWindowUrl, getTopWindowReferrer, getTopWindowLocation, createTrackPixelHtml} from 'src/utils';
+import { registerBidder } from 'src/adapters/bidderFactory';
+import { formatQS } from 'src/url';
+import { config } from 'src/config';
+
+/**
+ * @type {{CODE: string, V: string, RECTANGLE_SIZE: {W: number, H: number}, SPOT_TYPES: {INTERSTITIAL: string, RECTANGLE: string, FLOATING: string, BANNER: string}, DISPLAY_AD: number, ENDPOINT_URL: string, EVENTS_ENDPOINT_URL: string, RESPONSE_HEADERS_NAME: {PRICING_VALUE: string, AD_H: string, AD_W: string}}}
+ */
+const CONSTANTS = {
+  CODE: 'fyber',
+  V: 'FY-JS-HB-PBJS-1.0',
+  RECTANGLE_SIZE: {W: 300, H: 250},
+
+  SPOT_TYPES: {
+    INTERSTITIAL: 'interstitial',
+    RECTANGLE: 'rectangle',
+    FLOATING: 'floating',
+    BANNER: 'banner'
+  },
+
+  DISPLAY_AD: 20,
+  ENDPOINT_URL: '//ad-tag.inner-active.mobi/simpleM2M/requestJsonAd',
+  EVENTS_ENDPOINT_URL: '//vast-events.inner-active.mobi/Event',
+  RESPONSE_HEADERS_NAME: {
+    PRICING_VALUE: 'X-IA-Pricing-Value',
+    AD_H: 'X-IA-Ad-Height',
+    AD_W: 'X-IA-Ad-Width',
+    CREATIVE_ID: 'X-IA-Creative-ID',
+    CURRENCY: 'X-IA-Pricing-Currency',
+    TIMEOUT: 'X-IA-SESSION-TIMEOUT'
+  }
+};
+
+/**
+ * gloable util functions
+ * @type {{defaultsQsParams: {v: (string|string), page: string, mw: boolean, hb: string}, stringToCamel: (function(*)), objectToCamel: (function(*=))}}
+ */
+const Helpers = {
+  defaultsQsParams: {v: CONSTANTS.V, page: encodeURIComponent(getTopWindowUrl()), mw: true, hb: 'prebidjs'},
+  /**
+   * Returns the ad HTML template
+   * @param adHtml: string {ad server creative}
+   * @param tracking: object {impressions, clicks}
+   * @param bidParams: object
+   * @returns {string}: create template
+   */
+  getAd(adHtml, tracking, bidParams) {
+    let impressionsHtml = '';
+    if (tracking && Array.isArray(tracking.impressions)) {
+      let impressions = tracking.impressions;
+      impressions.push(Reporter.getEventUrl('HBPreBidImpression', bidParams, false));
+      impressions.forEach(impression => impression && (impressionsHtml += createTrackPixelHtml(impression)));
+    }
+    adHtml = impressionsHtml + adHtml.replace(/<a /g, '<a target="_blank" ');
+    let clicks = tracking && Array.isArray(tracking.clicks) && tracking.clicks;
+    if (clicks && Array.isArray(clicks)) {
+      clicks.push(Reporter.getEventUrl('HBPreBidClick', bidParams, false));
+    }
+    const adTemplate = `
+      <html>
+        <head>
+            <script type='text/javascript'>inDapIF=true;</script>
+        </head>
+        <body style='margin : 0; padding: 0;'>
+            <div id="iaAdContainer">${adHtml}</div>
+            <script type='text/javascript'>
+                var iaAdContainer = document.getElementById('iaAdContainer');
+                if(iaAdContainer){
+                    var clicks = '${clicks}';
+                    if(clicks){
+                      clicks = clicks.split(',');
+                      iaAdContainer.addEventListener('click', function onIaContainerClick(){
+                          clicks.forEach(function forEachClick(click){
+                              if(click){
+                                  (new Image(1,1)).src = encodeURI(click);
+                              }
+                          });
+                      });
+                    }
+                }
+            </script>
+        </body>
+      </html>`;
+    return adTemplate;
+  },
+
+  /**
+  * Change string format from underscore to camelcase (e.g., APP_ID to appId)
+  * @param {string} str
+  * @return string
+  */
+  stringToCamel(str) {
+    if (str.indexOf('_') === -1) {
+      const first = str.charAt(0);
+      if (first !== first.toLowerCase()) {
+        str = str.toLowerCase();
+      }
+      return str;
+    }
+
+    str = str.toLowerCase();
+    return str.replace(/(\_[a-z])/g, $1 => $1.toUpperCase().replace('_', ''));
+  },
+
+  /**
+  * Change all object keys string format from underscore to camelcase (e.g., {'APP_ID' : ...} to {'appId' : ...})
+  * @param params: object
+  * @returns object
+  */
+  objectToCamel(params) {
+    Object.keys(params).forEach(key => {
+      const keyCamelCase = this.stringToCamel(key);
+      if (keyCamelCase !== key) {
+        params[keyCamelCase] = params[key];
+        delete params[key];
+      }
+    });
+    return params;
+  },
+
+  /**
+   * @param {Object} params
+   * @return {string} url
+   */
+  getEndpointUrl(params) {
+    return (params && params.qa && params.qa.url) || (Reporter.getPageProtocol() + CONSTANTS.ENDPOINT_URL);
+  },
+
+  /**
+    * Adjust bid params to fyber-ad-server params
+    * @param {Object} bid
+    * @return {Object} bid
+  */
+  toBidParams(bid) {
+    const bidParamsWithCustomParams = Object.assign({}, bid.params, bid.params.customParams);
+    delete bidParamsWithCustomParams.customParams;
+    bid.params = this.objectToCamel(bidParamsWithCustomParams);
+    return bid;
+  },
+
+  /**
+   * Validate if response is valid
+   * @param responseAsJson : object
+   * @param headersData: {}
+   * @returns {boolean}
+   * @private
+   */
+  isValidBidResponse(responseAsJson, headersData) {
+    return (responseAsJson && responseAsJson.ad && responseAsJson.ad.html && headersData && headersData[CONSTANTS.RESPONSE_HEADERS_NAME.PRICING_VALUE] > 0);
+  }
+};
+
+/**
+ * Url generator - generates a request URL
+ * @type {{defaultsParams: *, serverParamNameBySettingParamName: {referrer: string, keywords: string, appId: string, portal: string, age: string, gender: string, isSecured: (boolean|null)}, toServerParams: (function(*)), unwantedValues: *[], getUrlParams: (function(*=))}}
+ */
+const Url = {
+  defaultsParams: Object.assign({}, Helpers.defaultsQsParams, {f: CONSTANTS.DISPLAY_AD, fs: false, ref: getTopWindowReferrer()}),
+  serverParamNameBySettingParamName: {
+    referrer: 'ref',
+    keywords: 'k',
+    appId: 'aid',
+    portal: 'po',
+    age: 'a',
+    gender: 'g',
+    gdprPrivacyConsent: 'gdpr_privacy_consent',
+    consentString: 'consent_string',
+    gdprConsentData: 'gdpr_consent_data'
+  },
+  unwantedValues: ['', null, undefined],
+
+  /**
+       * Maps publisher params to server params
+       * @param params: object {k:v}
+       * @returns object {k:v}
+       */
+  toServerParams(params) {
+    const serverParams = {};
+    for (const paramName in params) {
+      if (params.hasOwnProperty(paramName) && this.serverParamNameBySettingParamName.hasOwnProperty(paramName)) {
+        serverParams[this.serverParamNameBySettingParamName[paramName]] = params[paramName];
+      } else {
+        serverParams[paramName] = params[paramName];
+      }
+    }
+
+    serverParams.isSecured = Reporter.getPageProtocol() === 'https:' || null;
+    return serverParams;
+  },
+
+  handleGDPR(params) {
+    if (params.hasOwnProperty('gdprPrivacyConsent')) {
+      if (['true', true, '1', 1].indexOf(params.gdprPrivacyConsent) !== -1) {
+        params.gdprPrivacyConsent = 1;
+      } else {
+        params.gdprPrivacyConsent = 0;
+      }
+    }
+  },
+
+  /**
+  * Prepare querty string to ad server
+  * @param params: object {k:v}
+  * @returns : object {k:v}
+  */
+  getUrlParams(params) {
+    this.handleGDPR(params);
+    const serverParams = this.toServerParams(params);
+    const toQueryString = Object.assign({}, this.defaultsParams, serverParams);
+    for (const paramName in toQueryString) {
+      if (toQueryString.hasOwnProperty(paramName) && this.unwantedValues.indexOf(toQueryString[paramName]) !== -1) {
+        delete toQueryString[paramName];
+      }
+    }
+    toQueryString.fs = params.spotType === CONSTANTS.SPOT_TYPES.INTERSTITIAL;
+
+    if (params.spotType === CONSTANTS.SPOT_TYPES.RECTANGLE) {
+      toQueryString.rw = CONSTANTS.RECTANGLE_SIZE.W;
+      toQueryString.rh = CONSTANTS.RECTANGLE_SIZE.H;
+    }
+    toQueryString.bco = config.getConfig('cbTimeout') || config.getConfig('bidderTimeout');
+    toQueryString.timestamp = Date.now();
+    delete toQueryString.qa;
+    return toQueryString;
+  }
+};
+
+/**
+ * Analytics
+ * @type {{errorEventName: string, pageProtocol: string, getPageProtocol: (function(): string), getEventUrl: (function(*, *=)), defaults: {v: (string|string), page: string, mw: boolean, hb: string}, eventQueryStringParams: (function(Object): string)}}
+ */
+const Reporter = {
+  /**
+  * @private
+  */
+  errorEventName: 'HBPreBidError',
+  pageProtocol: '',
+  defaults: Helpers.defaultsQsParams,
+
+  /**
+  * Gets the page protocol based on the <code>document.location.protocol</code>
+  * The returned string is either <code>http://</code> or <code>https://</code>
+  * @return {string}
+  */
+  getPageProtocol() {
+    if (!this.pageProtocol) {
+      this.pageProtocol = (getTopWindowLocation().protocol === 'http:' ? 'http:' : 'https:');
+    }
+    return this.pageProtocol;
+  },
+
+  getEventUrl(evtName, extraDetails) {
+    let eventsEndpoint = CONSTANTS.EVENTS_ENDPOINT_URL + '?table=' + ((evtName === this.errorEventName) ? 'mbwError' : 'mbwEvent');
+    let queryStringParams = this.eventQueryStringParams(extraDetails);
+    const appId = extraDetails && extraDetails.appId;
+    let queryStringParamsWithAID = `${queryStringParams}&aid=${appId}_${evtName}_other&evtName=${evtName}`;
+    return eventsEndpoint + '&' + queryStringParamsWithAID;
+  },
+
+  /**
+  * Fyber Event Reporting Query String Parameters, not including App Id.
+  * @param {object} extraDetails - e.g., a JS exception JSON object.
+  * @return {string} Fyber event contcatenated queryString parameters.
+  */
+  eventQueryStringParams(extraDetails) {
+    const toQS = Object.assign({}, this.defaults, {realAppId: extraDetails && extraDetails.appId, timestamp: Date.now()});
+    Url.handleGDPR(toQS);
+    return formatQS(toQS);
+  }
+};
+const {PRICING_VALUE, AD_W, AD_H, CREATIVE_ID, CURRENCY, TIMEOUT} = CONSTANTS.RESPONSE_HEADERS_NAME;
+/**
+ * Http helper to extract metadata
+ * @type {{headers: *[], getBidHeaders: (function(*))}}
+ */
+const Http = {
+  headerNames: [PRICING_VALUE, AD_W, AD_H, CREATIVE_ID, CURRENCY, TIMEOUT],
+
+  /**
+   * Extract headers data
+   * @param responseHeaders: XMLHttpRequest
+   * @return {}
+   */
+  getBidHeaders(responseHeaders) {
+    const headersData = {};
+    this.headerNames.forEach(headerName => headersData[headerName] = responseHeaders.get(headerName));
+    return headersData;
+  }
+};
+
+const bidByBidId = {};
+class FyberBid {
+  constructor(headersData, response, bid) {
+    this.handleGDPR(response.config.tracking, bid.params);
+    const [w, h] = bid.sizes[0];
+    this.cpm = ((bid.params.qa && bid.params.qa.cpm) || headersData[PRICING_VALUE]) * 1000;
+    this.requestId = bid.bidId;
+    this.width = parseFloat(headersData[AD_W]) || w;
+    this.ad = Helpers.getAd(response.ad.html, response.config.tracking, bid.params);
+    this.height = parseFloat(headersData[AD_H]) || h;
+    this.creativeId = headersData[CREATIVE_ID];
+    this.currency = headersData[CURRENCY] || 'USD';
+    this.netRevenue = true;
+    this.ttl = 60 * (headersData[TIMEOUT] || 20);
+    this.dealId = null;
+  }
+
+  handleGDPR(tracking, params) {
+    if (params.hasOwnProperty('gdprPrivacyConsent')) {
+      if (['true', true, '1', 1].indexOf(params.gdprPrivacyConsent) !== -1) {
+        params.gdprPrivacyConsent = 1;
+      } else {
+        params.gdprPrivacyConsent = 0;
+      }
+      Object.keys(tracking).forEach((trackName) => {
+        if (Array.isArray(tracking[trackName])) {
+          tracking[trackName].forEach((url, index) => {
+            if (url) {
+              if (url.indexOf('?') === -1) {
+                url += '?';
+              }
+              url += '&gdpr_privacy_consent=' + params.gdprPrivacyConsent;
+              tracking[trackName][index] = url;
+            }
+          });
+        }
+      });
+    }
+  }
+}
+
+export const spec = {
+  code: CONSTANTS.CODE,
+
+  /**
+   * Determines whether or not the given bid request is valid.
+   * Valid bid request must have appId and spotType
+   * @param {BidRequest} bid The bid params to validate.
+   * @return boolean True if this is a valid bid, and false otherwise.
+   */
+  isBidRequestValid(bid) {
+    const {appId, spotType} = Helpers.objectToCamel(bid.params);
+    const isValid = !!(appId && spotType);
+    if (!isValid) {
+      logError(`bid requires appId = ${appId} , spotType = ${spotType}`);
+    }
+    return isValid;
+  },
+
+  buildRequests(bidRequests) {
+    let requests = [];
+    bidRequests.forEach((bid) => {
+      bid = Helpers.toBidParams(bid);
+      bidByBidId[bid.bidId] = bid;
+      requests.push({
+        method: 'GET',
+        url: Helpers.getEndpointUrl(bid.params),
+        data: Url.getUrlParams(bid.params),
+        bidId: bid.bidId
+      });
+    });
+    return requests;
+  },
+
+  interpretResponse(response, request) {
+    const isValid = response.body && response.body.ad;
+    const headersData = (isValid && Http.getBidHeaders(response.headers)) || {};
+    const bid = bidByBidId[request.bidId];
+    const bidResponse = [];
+    if (!isValid || !Helpers.isValidBidResponse(response.body, headersData)) {
+      logError(`response failed for ${CONSTANTS.CODE} adapter`);
+      return bidResponse;
+    }
+    bidResponse.push(new FyberBid(headersData, response.body, bid));
+    return bidResponse;
+  }
+};
+registerBidder(spec);