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| 1 | +package org.prebid.server.bidder.ogury; |
| 2 | + |
| 3 | +import com.fasterxml.jackson.databind.node.ObjectNode; |
| 4 | +import com.iab.openrtb.request.BidRequest; |
| 5 | +import com.iab.openrtb.request.Device; |
| 6 | +import com.iab.openrtb.request.Imp; |
| 7 | +import com.iab.openrtb.request.Publisher; |
| 8 | +import com.iab.openrtb.request.Site; |
| 9 | +import com.iab.openrtb.response.Bid; |
| 10 | +import com.iab.openrtb.response.BidResponse; |
| 11 | +import com.iab.openrtb.response.SeatBid; |
| 12 | +import io.vertx.core.MultiMap; |
| 13 | +import org.apache.commons.collections4.CollectionUtils; |
| 14 | +import org.prebid.server.bidder.Bidder; |
| 15 | +import org.prebid.server.bidder.model.BidderBid; |
| 16 | +import org.prebid.server.bidder.model.BidderCall; |
| 17 | +import org.prebid.server.bidder.model.BidderError; |
| 18 | +import org.prebid.server.bidder.model.HttpRequest; |
| 19 | +import org.prebid.server.bidder.model.Price; |
| 20 | +import org.prebid.server.bidder.model.Result; |
| 21 | +import org.prebid.server.currency.CurrencyConversionService; |
| 22 | +import org.prebid.server.exception.PreBidException; |
| 23 | +import org.prebid.server.json.JacksonMapper; |
| 24 | +import org.prebid.server.proto.openrtb.ext.response.BidType; |
| 25 | +import org.prebid.server.util.BidderUtil; |
| 26 | +import org.prebid.server.util.HttpUtil; |
| 27 | + |
| 28 | +import java.math.BigDecimal; |
| 29 | +import java.util.ArrayList; |
| 30 | +import java.util.Collection; |
| 31 | +import java.util.Collections; |
| 32 | +import java.util.List; |
| 33 | +import java.util.Objects; |
| 34 | +import java.util.Optional; |
| 35 | + |
| 36 | +public class OguryBidder implements Bidder<BidRequest> { |
| 37 | + |
| 38 | + private static final String EXT_FIELD_BIDDER = "bidder"; |
| 39 | + private static final String BIDDER_CURRENCY = "USD"; |
| 40 | + private static final String PREBID_FIELD_ASSET_KEY = "assetKey"; |
| 41 | + private static final String PREBID_FIELD_ADUNIT_ID = "adUnitId"; |
| 42 | + |
| 43 | + private final String endpointUrl; |
| 44 | + private final CurrencyConversionService currencyConversionService; |
| 45 | + private final JacksonMapper mapper; |
| 46 | + |
| 47 | + public OguryBidder(String endpointUrl, CurrencyConversionService currencyConversionService, JacksonMapper mapper) { |
| 48 | + this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl)); |
| 49 | + this.currencyConversionService = Objects.requireNonNull(currencyConversionService); |
| 50 | + this.mapper = Objects.requireNonNull(mapper); |
| 51 | + } |
| 52 | + |
| 53 | + @Override |
| 54 | + public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest bidRequest) { |
| 55 | + final List<BidderError> errors = new ArrayList<>(); |
| 56 | + |
| 57 | + final List<Imp> modifiedImps = new ArrayList<>(); |
| 58 | + final List<Imp> impsWithOguryParams = new ArrayList<>(); |
| 59 | + |
| 60 | + for (Imp imp : bidRequest.getImp()) { |
| 61 | + try { |
| 62 | + final Imp modifiedImp = modifyImp(imp, bidRequest); |
| 63 | + |
| 64 | + modifiedImps.add(modifiedImp); |
| 65 | + if (hasOguryParams(imp)) { |
| 66 | + impsWithOguryParams.add(modifiedImp); |
| 67 | + } |
| 68 | + } catch (PreBidException e) { |
| 69 | + errors.add(BidderError.badInput(e.getMessage())); |
| 70 | + } |
| 71 | + } |
| 72 | + |
| 73 | + if (!isValidRequestKeys(bidRequest, impsWithOguryParams)) { |
| 74 | + errors.add(BidderError.badInput( |
| 75 | + "Invalid request. assetKey/adUnitId or request.site.publisher.id required")); |
| 76 | + return Result.withErrors(errors); |
| 77 | + } |
| 78 | + |
| 79 | + final BidRequest modifiedBidRequest = bidRequest.toBuilder() |
| 80 | + .imp(CollectionUtils.isNotEmpty(impsWithOguryParams) ? impsWithOguryParams : modifiedImps) |
| 81 | + .build(); |
| 82 | + |
| 83 | + final MultiMap headers = resolveHeaders(modifiedBidRequest.getDevice()); |
| 84 | + final List<HttpRequest<BidRequest>> httpRequests = Collections.singletonList( |
| 85 | + BidderUtil.defaultRequest(modifiedBidRequest, headers, endpointUrl, mapper)); |
| 86 | + |
| 87 | + return Result.of(httpRequests, errors); |
| 88 | + } |
| 89 | + |
| 90 | + private ObjectNode resolveImpExtBidderHoist(Imp imp) { |
| 91 | + return (ObjectNode) imp.getExt().get(EXT_FIELD_BIDDER); |
| 92 | + } |
| 93 | + |
| 94 | + private Imp modifyImp(Imp imp, BidRequest bidRequest) { |
| 95 | + final Price price = resolvePrice(imp, bidRequest); |
| 96 | + return imp.toBuilder() |
| 97 | + .tagid(imp.getId()) |
| 98 | + .bidfloor(price.getValue()) |
| 99 | + .bidfloorcur(price.getCurrency()) |
| 100 | + .ext(modifyExt(imp)) |
| 101 | + .build(); |
| 102 | + } |
| 103 | + |
| 104 | + private Price resolvePrice(Imp imp, BidRequest bidRequest) { |
| 105 | + final Price initialBidFloorPrice = Price.of(imp.getBidfloorcur(), imp.getBidfloor()); |
| 106 | + return BidderUtil.shouldConvertBidFloor(initialBidFloorPrice, BIDDER_CURRENCY) |
| 107 | + ? convertBidFloor(initialBidFloorPrice, bidRequest) |
| 108 | + : initialBidFloorPrice; |
| 109 | + } |
| 110 | + |
| 111 | + private Price convertBidFloor(Price bidFloorPrice, BidRequest bidRequest) { |
| 112 | + final BigDecimal convertedPrice = currencyConversionService.convertCurrency( |
| 113 | + bidFloorPrice.getValue(), |
| 114 | + bidRequest, |
| 115 | + bidFloorPrice.getCurrency(), |
| 116 | + BIDDER_CURRENCY); |
| 117 | + |
| 118 | + return Price.of(BIDDER_CURRENCY, convertedPrice); |
| 119 | + } |
| 120 | + |
| 121 | + private ObjectNode modifyExt(Imp imp) { |
| 122 | + final ObjectNode impExt = imp.getExt(); |
| 123 | + final ObjectNode impExtBidderHoist = resolveImpExtBidderHoist(imp); |
| 124 | + |
| 125 | + final ObjectNode modifiedImpExt = impExt.deepCopy(); |
| 126 | + modifiedImpExt.setAll(impExtBidderHoist); |
| 127 | + modifiedImpExt.remove(EXT_FIELD_BIDDER); |
| 128 | + |
| 129 | + return modifiedImpExt; |
| 130 | + } |
| 131 | + |
| 132 | + private boolean hasOguryParams(Imp imp) { |
| 133 | + final ObjectNode impExtBidderHoist = resolveImpExtBidderHoist(imp); |
| 134 | + |
| 135 | + return impExtBidderHoist != null |
| 136 | + && impExtBidderHoist.has(PREBID_FIELD_ASSET_KEY) |
| 137 | + && impExtBidderHoist.has(PREBID_FIELD_ADUNIT_ID); |
| 138 | + } |
| 139 | + |
| 140 | + private boolean isValidRequestKeys(BidRequest request, List<Imp> impsWithOguryParams) { |
| 141 | + return !CollectionUtils.isEmpty(impsWithOguryParams) || Optional.ofNullable(request.getSite()) |
| 142 | + .map(Site::getPublisher) |
| 143 | + .map(Publisher::getId) |
| 144 | + .isPresent(); |
| 145 | + } |
| 146 | + |
| 147 | + private MultiMap resolveHeaders(Device device) { |
| 148 | + final MultiMap headers = HttpUtil.headers(); |
| 149 | + |
| 150 | + if (device != null) { |
| 151 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.USER_AGENT_HEADER, device.getUa()); |
| 152 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.ACCEPT_LANGUAGE_HEADER, device.getLanguage()); |
| 153 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.X_FORWARDED_FOR_HEADER, device.getIp()); |
| 154 | + HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.X_FORWARDED_FOR_HEADER, device.getIpv6()); |
| 155 | + } |
| 156 | + |
| 157 | + return headers; |
| 158 | + } |
| 159 | + |
| 160 | + @Override |
| 161 | + public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) { |
| 162 | + try { |
| 163 | + final String body = httpCall.getResponse().getBody(); |
| 164 | + |
| 165 | + final BidResponse bidResponse = mapper.decodeValue(body, BidResponse.class); |
| 166 | + |
| 167 | + final List<BidderError> errors = new ArrayList<>(); |
| 168 | + final List<BidderBid> bidderBids = extractBids(bidResponse, errors); |
| 169 | + |
| 170 | + return Result.of(bidderBids, errors); |
| 171 | + } catch (Exception e) { |
| 172 | + return Result.withError(BidderError.badServerResponse(e.getMessage())); |
| 173 | + } |
| 174 | + } |
| 175 | + |
| 176 | + private List<BidderBid> extractBids(BidResponse bidResponse, List<BidderError> errors) { |
| 177 | + return Optional.ofNullable(bidResponse) |
| 178 | + .map(BidResponse::getSeatbid) |
| 179 | + .stream() |
| 180 | + .flatMap(Collection::stream) |
| 181 | + .filter(Objects::nonNull) |
| 182 | + .map(SeatBid::getBid) |
| 183 | + .filter(Objects::nonNull) |
| 184 | + .flatMap(Collection::stream) |
| 185 | + .filter(Objects::nonNull) |
| 186 | + .map(bid -> createBidderBid(bid, bidResponse, errors)) |
| 187 | + .filter(Objects::nonNull) |
| 188 | + .toList(); |
| 189 | + } |
| 190 | + |
| 191 | + private BidderBid createBidderBid(Bid bid, BidResponse bidResponse, List<BidderError> errors) { |
| 192 | + try { |
| 193 | + return BidderBid.of(bid, getBidType(bid), bidResponse.getCur()); |
| 194 | + } catch (PreBidException e) { |
| 195 | + errors.add(BidderError.badServerResponse(e.getMessage())); |
| 196 | + return null; |
| 197 | + } |
| 198 | + } |
| 199 | + |
| 200 | + private static BidType getBidType(Bid bid) { |
| 201 | + final Integer markupType = bid.getMtype(); |
| 202 | + if (markupType == null) { |
| 203 | + throw new PreBidException("Missing MType for impression: `%s`".formatted(bid.getImpid())); |
| 204 | + } |
| 205 | + |
| 206 | + return switch (markupType) { |
| 207 | + case 1 -> BidType.banner; |
| 208 | + case 2 -> BidType.video; |
| 209 | + case 3 -> BidType.audio; |
| 210 | + case 4 -> BidType.xNative; |
| 211 | + default -> throw new PreBidException( |
| 212 | + "Unsupported MType '%d', for impression '%s'".formatted(markupType, bid.getImpid())); |
| 213 | + }; |
| 214 | + } |
| 215 | +} |
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