DAS Bid Adapter:

modules/dasBidAdapter.js

@@ -0,0 +1,369 @@
+import { getAllOrtbKeywords } from '../libraries/keywords/keywords.js';
+import { getAdUnitSizes } from '../libraries/sizeUtils/sizeUtils.js';
+import { registerBidder } from '../src/adapters/bidderFactory.js';
+import { BANNER, NATIVE } from '../src/mediaTypes.js';
+import { deepAccess, safeJSONParse } from '../src/utils.js';
+
+const BIDDER_CODE = 'das';
+const GDE_SCRIPT_URL = 'https://ocdn.eu/adp/static/embedgde/latest/bundle.min.js';
+const GDE_PARAM_PREFIX = 'gde_';
+const REQUIRED_GDE_PARAMS = [
+  'gde_subdomena',
+  'gde_id',
+  'gde_stparam',
+  'gde_fastid',
+  'gde_inscreen'
+];
+
+function parseNativeResponse(ad) {
+  if (!(ad.data?.fields && ad.data?.meta)) {
+    return false;
+  }
+
+  const { click, Thirdpartyimpressiontracker, Thirdpartyimpressiontracker2, thirdPartyClickTracker2, imp, impression, impression1, impressionJs1, image, Image, title, leadtext, url, Calltoaction, Body, Headline, Thirdpartyclicktracker, adInfo, partner_logo: partnerLogo } = ad.data.fields;
+
+  const { dsaurl, height, width, adclick } = ad.data.meta;
+  const emsLink = ad.ems_link;
+  const link = adclick + (url || click);
+  const nativeResponse = {
+    sendTargetingKeys: false,
+    title: title || Headline || '',
+    image: {
+      url: image || Image || '',
+      width,
+      height
+    },
+    icon: {
+      url: partnerLogo || '',
+      width,
+      height
+    },
+    clickUrl: link,
+    cta: Calltoaction || '',
+    body: leadtext || Body || '',
+    body2: adInfo || '',
+    sponsoredBy: deepAccess(ad, 'data.meta.advertiser_name', null) || '',
+  };
+
+  nativeResponse.impressionTrackers = [emsLink, imp, impression, impression1, Thirdpartyimpressiontracker, Thirdpartyimpressiontracker2].filter(Boolean);
+  nativeResponse.javascriptTrackers = [impressionJs1, getGdeScriptUrl(ad.data.fields)].map(url => url ? `<script async src=${url}></script>` : null).filter(Boolean);
+  nativeResponse.clickTrackers = [Thirdpartyclicktracker, thirdPartyClickTracker2].filter(Boolean);
+
+  if (dsaurl) {
+    nativeResponse.privacyLink = dsaurl;
+  }
+
+  return nativeResponse;
+}
+
+function getGdeScriptUrl(adDataFields) {
+  if (REQUIRED_GDE_PARAMS.every(param => adDataFields[param])) {
+    const params = new URLSearchParams();
+    Object.entries(adDataFields)
+      .filter(([key]) => key.startsWith(GDE_PARAM_PREFIX))
+      .forEach(([key, value]) => params.append(key, value));
+
+    return `${GDE_SCRIPT_URL}?${params.toString()}`;
+  }
+  return null;
+}
+
+function getEndpoint(network) {
+  return `https://csr.onet.pl/${encodeURIComponent(network)}/bid`;
+}
+
+function parseParams(params, bidderRequest) {
+  const customParams = {};
+  const keyValues = {};
+
+  if (params.adbeta) {
+    customParams.adbeta = params.adbeta;
+  }
+
+  if (params.site) {
+    customParams.site = params.site;
+  }
+
+  if (params.area) {
+    customParams.area = params.area;
+  }
+
+  if (params.network) {
+    customParams.network = params.network;
+  }
+
+  // Custom parameters
+  if (params.customParams && typeof params.customParams === 'object') {
+    Object.assign(customParams, params.customParams);
+  }
+
+  const pageContext = params.pageContext;
+  if (pageContext) {
+    // Document URL override
+    if (pageContext.du) {
+      customParams.du = pageContext.du;
+    }
+
+    // Referrer override
+    if (pageContext.dr) {
+      customParams.dr = pageContext.dr;
+    }
+
+    // Document virtual address
+    if (pageContext.dv) {
+      customParams.DV = pageContext.dv;
+    }
+
+    // Keywords
+    const keywords = getAllOrtbKeywords(
+      bidderRequest?.ortb2,
+      pageContext.keyWords,
+    );
+    if (keywords.length > 0) {
+      customParams.kwrd = keywords.join('+');
+    }
+
+    // Local capping
+    if (pageContext.capping) {
+      customParams.local_capping = pageContext.capping;
+    }
+
+    // Key values
+    if (pageContext.keyValues && typeof pageContext.keyValues === 'object') {
+      Object.entries(pageContext.keyValues).forEach(([key, value]) => {
+        keyValues[`kv${key}`] = value;
+      });
+    }
+  }
+
+  const du = customParams.du || deepAccess(bidderRequest, 'refererInfo.page');
+  const dr = customParams.dr || deepAccess(bidderRequest, 'refererInfo.ref');
+
+  if (du) customParams.du = du;
+  if (dr) customParams.dr = dr;
+
+  const dsaRequired = deepAccess(bidderRequest, 'ortb2.regs.ext.dsa.required');
+  if (dsaRequired !== undefined) {
+    customParams.dsainfo = dsaRequired;
+  }
+
+  return {
+    customParams,
+    keyValues,
+  };
+}
+
+function buildUserIds(customParams) {
+  const userIds = {};
+  if (customParams.lu) {
+    userIds.lu = customParams.lu;
+  }
+  if (customParams.aid) {
+    userIds.aid = customParams.aid;
+  }
+  return userIds;
+}
+
+function getNpaFromPubConsent(pubConsent) {
+  const params = new URLSearchParams(pubConsent);
+  return params.get('npa') === '1';
+}
+
+function buildOpenRTBRequest(bidRequests, bidderRequest) {
+  const { customParams, keyValues } = parseParams(
+    bidRequests[0].params,
+    bidderRequest,
+  );
+  const imp = bidRequests.map((bid) => {
+    const sizes = getAdUnitSizes(bid);
+    const imp = {
+      id: bid.bidId,
+      tagid: bid.params.slot,
+      secure: 1,
+    };
+    if (bid.params.slotSequence) {
+      imp.ext = {
+        pos: String(bid.params.slotSequence)
+      }
+    }
+
+    if (bid.mediaTypes?.banner) {
+      imp.banner = {
+        format: sizes.map((size) => ({
+          w: size[0],
+          h: size[1],
+        })),
+      };
+    }
+    if (bid.mediaTypes?.native) {
+      imp.native = {
+        request: '{}',
+        ver: '1.2',
+      };
+    }
+
+    return imp;
+  });
+
+  const request = {
+    id: bidderRequest.bidderRequestId,
+    imp,
+    site: {
+      ...bidderRequest.ortb2?.site,
+      id: customParams.site,
+      page: customParams.du,
+      ref: customParams.dr,
+      ext: {
+        ...bidderRequest.ortb2?.site?.ext,
+        area: customParams.area,
+        kwrd: customParams.kwrd,
+        dv: customParams.DV
+      },
+    },
+    user: {
+      ext: {
+        ids: buildUserIds(customParams),
+      },
+    },
+    ext: {
+      network: customParams.network,
+      keyvalues: keyValues,
+    },
+    at: 1,
+    tmax: bidderRequest.timeout
+  };
+
+  if (customParams.adbeta) {
+    request.ext.adbeta = customParams.adbeta;
+  }
+
+  if (bidderRequest.device) {
+    request.device = bidderRequest.device;
+  }
+
+  if (bidderRequest.gdprConsent) {
+    request.user = {
+      ext: {
+        npa: getNpaFromPubConsent(customParams.pubconsent),
+        localcapping: customParams.local_capping,
+        localadpproduts: customParams.adp_products,
+        ...request.user.ext,
+      },
+    };
+    request.regs = {
+      gpp: bidderRequest.gdprConsent.consentString,
+      gdpr: bidderRequest.gdprConsent.gdprApplies ? 1 : 0,
+      ext: {
+        dsa: customParams.dsainfo,
+      },
+    }
+  }
+
+  return request;
+}
+
+function prepareNativeMarkup(bid) {
+  const parsedNativeMarkup = safeJSONParse(bid.adm)
+  const ad = {
+    data: parsedNativeMarkup || {},
+    ems_link: bid.ext?.ems_link || '',
+  };
+  const nativeResponse = parseNativeResponse(ad) || {};
+  return nativeResponse;
+}
+
+function interpretResponse(serverResponse) {
+  const bidResponses = [];
+  const response = serverResponse.body;
+
+  if (!response || !response.seatbid || !response.seatbid.length) {
+    return bidResponses;
+  }
+
+  response.seatbid.forEach((seatbid) => {
+    seatbid.bid.forEach((bid) => {
+      const bidResponse = {
+        requestId: bid.impid,
+        cpm: bid.price,
+        currency: response.cur || 'USD',
+        width: bid.w,
+        height: bid.h,
+        creativeId: bid.crid || bid.id,
+        netRevenue: true,
+        dealId: bid.dealid || null,
+        actgMatch: bid.ext?.actgMatch || 0,
+        ttl: 300,
+        meta: {
+          advertiserDomains: bid.adomain || [],
+        },
+      };
+
+      if (bid.mtype === 1) {
+        bidResponse.mediaType = BANNER;
+        bidResponse.ad = bid.adm;
+      } else if (bid.mtype === 4) {
+        bidResponse.mediaType = NATIVE;
+        bidResponse.native = prepareNativeMarkup(bid);
+        delete bidResponse.ad;
+      }
+      bidResponses.push(bidResponse);
+    });
+  });
+
+  return bidResponses;
+}
+
+export const spec = {
+  code: BIDDER_CODE,
+  supportedMediaTypes: [BANNER, NATIVE],
+
+  isBidRequestValid: function (bid) {
+    if (!bid || !bid.params) {
+      return false;
+    }
+    return !!(
+      bid.params?.network &&
+      bid.params?.site &&
+      bid.params?.area &&
+      bid.params?.slot
+    );
+  },
+
+  buildRequests: function (validBidRequests, bidderRequest) {
+    const data = buildOpenRTBRequest(validBidRequests, bidderRequest);
+    const jsonData = JSON.stringify(data);
+    const baseUrl = getEndpoint(data.ext.network);
+    const fullUrl = `${baseUrl}?data=${encodeURIComponent(jsonData)}`;
+
+    // Switch to POST if URL exceeds 8k characters
+    if (fullUrl.length > 8192) {
+      return {
+        method: 'POST',
+        url: baseUrl,
+        data: jsonData,
+        options: {
+          withCredentials: true,
+          crossOrigin: true,
+          customHeaders: {
+            'Content-Type': 'text/plain'
+          }
+        },
+      };
+    }
+
+    return {
+      method: 'GET',
+      url: fullUrl,
+      options: {
+        withCredentials: true,
+        crossOrigin: true,
+      },
+    };
+  },
+
+  interpretResponse: function (serverResponse) {
+    return interpretResponse(serverResponse);
+  },
+};
+
+registerBidder(spec);