New Adapter: TrustX

src/main/java/org/prebid/server/bidder/trustx/TrustxBidder.java

@@ -0,0 +1,224 @@
+package org.prebid.server.bidder.trustx;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Device;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.request.Site;
+import com.iab.openrtb.response.Bid;
+import com.iab.openrtb.response.BidResponse;
+import com.iab.openrtb.response.SeatBid;
+import io.vertx.core.MultiMap;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.prebid.server.bidder.Bidder;
+import org.prebid.server.bidder.model.BidderBid;
+import org.prebid.server.bidder.model.BidderCall;
+import org.prebid.server.bidder.model.BidderError;
+import org.prebid.server.bidder.model.HttpRequest;
+import org.prebid.server.bidder.model.Result;
+import org.prebid.server.exception.PreBidException;
+import org.prebid.server.json.DecodeException;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.proto.openrtb.ext.ExtPrebid;
+import org.prebid.server.proto.openrtb.ext.request.trustx.ExtBidBidderTrustx;
+import org.prebid.server.proto.openrtb.ext.request.trustx.ExtBidTrustx;
+import org.prebid.server.proto.openrtb.ext.request.trustx.ExtImpTrustx;
+import org.prebid.server.proto.openrtb.ext.request.trustx.ExtImpTrustxData;
+import org.prebid.server.proto.openrtb.ext.request.trustx.ExtImpTrustxDataAdServer;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.proto.openrtb.ext.response.ExtBidPrebid;
+import org.prebid.server.proto.openrtb.ext.response.ExtBidPrebidMeta;
+import org.prebid.server.proto.openrtb.ext.response.ExtBidPrebidVideo;
+import org.prebid.server.util.BidderUtil;
+import org.prebid.server.util.HttpUtil;
+import org.prebid.server.util.ObjectUtil;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Stream;
+
+public class TrustxBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx>> TRUSTX_BID_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {
+            };
+
+    private static final String OPENRTB_VERSION = "2.6";
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public TrustxBidder(String endpointUrl, JacksonMapper mapper) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<Imp> updatedImps = request.getImp().stream().map(this::modifyImp).toList();
+        final BidRequest updatedRequest = request.toBuilder().imp(updatedImps).build();
+        return Result.withValue(BidderUtil.defaultRequest(updatedRequest, makeHeaders(request), endpointUrl, mapper));
+    }
+
+    private Imp modifyImp(Imp imp) {
+        final ExtImpTrustx impExt = tryParseImpExt(imp);
+
+        return impExt == null ? imp : imp.toBuilder()
+                .ext(mapper.mapper().valueToTree(modifyImpExt(impExt)))
+                .build();
+    }
+
+    private ExtImpTrustx tryParseImpExt(Imp imp) {
+        try {
+            return mapper.mapper().convertValue(imp.getExt(), ExtImpTrustx.class);
+        } catch (IllegalArgumentException e) {
+            return null;
+        }
+    }
+
+    private ExtImpTrustx modifyImpExt(ExtImpTrustx impExt) {
+        final String adSlot = Optional.ofNullable(impExt.getData())
+                .map(ExtImpTrustxData::getAdServer)
+                .map(ExtImpTrustxDataAdServer::getAdSlot)
+                .filter(StringUtils::isNotEmpty)
+                .orElse(null);
+
+        return impExt.toBuilder()
+                .gpid(adSlot != null ? adSlot : impExt.getGpid())
+                .build();
+    }
+
+    private MultiMap makeHeaders(BidRequest request) {
+        final Site site = request.getSite();
+        final String referrer = ObjectUtil.getIfNotNull(site, Site::getRef);
+        final String domain = ObjectUtil.getIfNotNull(site, Site::getDomain);
+
+        final Device device = request.getDevice();
+        final String ip = StringUtils.firstNonEmpty(
+                ObjectUtil.getIfNotNull(device, Device::getIpv6),
+                ObjectUtil.getIfNotNull(device, Device::getIp));
+        final String userAgent = ObjectUtil.getIfNotNull(device, Device::getUa);
+
+        final MultiMap headers = HttpUtil.headers();
+
+        headers.add(HttpUtil.X_OPENRTB_VERSION_HEADER, OPENRTB_VERSION);
+        HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.REFERER_HEADER, referrer);
+        HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.ORIGIN_HEADER, domain);
+        HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.X_FORWARDED_FOR_HEADER, ip);
+        HttpUtil.addHeaderIfValueIsNotEmpty(headers, HttpUtil.USER_AGENT_HEADER, userAgent);
+
+        return headers;
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse bidResponse = decodeBodyToBidResponse(httpCall);
+            return bidsFromResponse(bidResponse);
+        } catch (PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private BidResponse decodeBodyToBidResponse(BidderCall<BidRequest> httpCall) {
+        try {
+            return mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+        } catch (DecodeException e) {
+            throw new PreBidException("Failed to parse response as BidResponse: " + e.getMessage());
+        }
+    }
+
+    private Result<List<BidderBid>> bidsFromResponse(BidResponse bidResponse) {
+        final List<BidderError> errors = new ArrayList<>();
+        final List<BidderBid> bidderBids = Stream.ofNullable(bidResponse)
+                .map(BidResponse::getSeatbid)
+                .filter(Objects::nonNull)
+                .flatMap(Collection::stream)
+                .filter(Objects::nonNull)
+                .map(SeatBid::getBid)
+                .filter(Objects::nonNull)
+                .flatMap(Collection::stream)
+                .filter(Objects::nonNull)
+                .map(bid -> makeBid(bid, errors))
+                .filter(Objects::nonNull)
+                .toList();
+
+        return Result.of(bidderBids, errors);
+    }
+
+    private BidderBid makeBid(Bid bid, List<BidderError> errors) {
+        try {
+            final BidType bidType = getBidType(bid);
+
+            final ExtBidPrebidVideo videoInfo = (bidType == BidType.video) ? ExtBidPrebidVideo.of(
+                    bid.getDur() != null && bid.getDur() > 0 ? bid.getDur() : null,
+                    CollectionUtils.isNotEmpty(bid.getCat()) ? bid.getCat().getFirst() : null
+            ) : null;
+
+            final Bid modifiedBid = Optional.ofNullable(tryParseBidExt(bid.getExt()))
+                    .map(TrustxBidder::modifyBidExt)
+                    .map(mapper.mapper()::<ObjectNode>valueToTree)
+                    .map(extBid -> bid.toBuilder().ext(extBid).build())
+                    .orElse(bid);
+
+            return BidderBid.builder()
+                    .bid(modifiedBid)
+                    .type(bidType)
+                    .videoInfo(videoInfo)
+                    .build();
+        } catch (PreBidException e) {
+            errors.add(BidderError.badInput(e.getMessage()));
+            return null;
+        }
+    }
+
+    private static BidType getBidType(Bid bid) {
+        final Integer markupType = bid.getMtype();
+        if (markupType == null) {
+            throw new PreBidException("Missing MType for bid: " + bid.getId());
+        }
+
+        return switch (markupType) {
+            case 1 -> BidType.banner;
+            case 2 -> BidType.video;
+            default -> throw new PreBidException("Unsupported MType: %d".formatted(markupType));
+        };
+    }
+
+    private ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx> tryParseBidExt(ObjectNode bidExt) {
+        try {
+            return mapper.mapper().convertValue(bidExt, TRUSTX_BID_EXT_TYPE_REFERENCE);
+        } catch (IllegalArgumentException e) {
+            return null;
+        }
+    }
+
+    private static ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx> modifyBidExt(
+            ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx> extBid) {
+
+        return Optional.ofNullable(extBid.getBidder())
+                .map(ExtBidBidderTrustx::getTrustx)
+                .map(ExtBidTrustx::getNetworkName)
+                .filter(StringUtils::isNotEmpty)
+                .map(networkName -> ExtBidPrebidMeta.builder().networkName(networkName).build())
+                .map(extBidPrebidMeta -> modifyBidExtMeta(extBid, extBidPrebidMeta))
+                .orElse(extBid);
+    }
+
+    private static ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx> modifyBidExtMeta(
+            ExtPrebid<ExtBidPrebid, ExtBidBidderTrustx> extBid, ExtBidPrebidMeta extBidPrebidMeta) {
+
+        final ExtBidPrebid updatedExtBidPrebid = Optional.ofNullable(extBid.getPrebid())
+                .map(ExtBidPrebid::toBuilder)
+                .orElseGet(ExtBidPrebid::builder)
+                .meta(extBidPrebidMeta)
+                .build();
+
+        return ExtPrebid.of(updatedExtBidPrebid, extBid.getBidder());
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/trustx/ExtBidBidderTrustx.java

@@ -0,0 +1,9 @@
+package org.prebid.server.proto.openrtb.ext.request.trustx;
+
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtBidBidderTrustx {
+
+    ExtBidTrustx trustx;
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/trustx/ExtBidTrustx.java

@@ -0,0 +1,11 @@
+package org.prebid.server.proto.openrtb.ext.request.trustx;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value(staticConstructor = "of")
+public class ExtBidTrustx {
+
+    @JsonProperty("networkName")
+    String networkName;
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/trustx/ExtImpTrustx.java

@@ -0,0 +1,19 @@
+package org.prebid.server.proto.openrtb.ext.request.trustx;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import lombok.Builder;
+import lombok.Value;
+import org.prebid.server.proto.openrtb.ext.request.ExtImpPrebid;
+
+@Value
+@Builder(toBuilder = true)
+public class ExtImpTrustx {
+
+    ExtImpPrebid prebid;
+
+    JsonNode bidder;
+
+    ExtImpTrustxData data;
+
+    String gpid;
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/trustx/ExtImpTrustxData.java

@@ -0,0 +1,14 @@
+package org.prebid.server.proto.openrtb.ext.request.trustx;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value
+public class ExtImpTrustxData {
+
+    @JsonProperty("pbadslot")
+    String pbAdSlot;
+
+    @JsonProperty("adserver")
+    ExtImpTrustxDataAdServer adServer;
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/trustx/ExtImpTrustxDataAdServer.java

@@ -0,0 +1,13 @@
+package org.prebid.server.proto.openrtb.ext.request.trustx;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+@Value
+public class ExtImpTrustxDataAdServer {
+
+    String name;
+
+    @JsonProperty("adslot")
+    String adSlot;
+}

src/main/java/org/prebid/server/spring/config/bidder/TrustxConfiguration.java

@@ -0,0 +1,41 @@
+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.trustx.TrustxBidder;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.spring.config.bidder.model.BidderConfigurationProperties;
+import org.prebid.server.spring.config.bidder.util.BidderDepsAssembler;
+import org.prebid.server.spring.config.bidder.util.UsersyncerCreator;
+import org.prebid.server.spring.env.YamlPropertySourceFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+import jakarta.validation.constraints.NotBlank;
+
+@Configuration
+@PropertySource(value = "classpath:/bidder-config/trustx.yaml", factory = YamlPropertySourceFactory.class)
+public class TrustxConfiguration {
+
+    private static final String BIDDER_NAME = "trustx";
+
+    @Bean("trustxConfigurationProperties")
+    @ConfigurationProperties("adapters.trustx")
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps trustxBidderDeps(BidderConfigurationProperties trustxConfigurationProperties,
+                                  @NotBlank @Value("${external-url}") String externalUrl,
+                                  JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(trustxConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new TrustxBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

src/main/resources/bidder-config/trustx.yaml

@@ -0,0 +1,23 @@
+adapters:
+  trustx:
+    endpoint: https://ads.trustx.org/pbs
+    meta-info:
+      maintainer-email: prebid@trustx.org
+      app-media-types:
+        - banner
+        - video
+      site-media-types:
+        - banner
+        - video
+      supported-vendors:
+      vendor-id: 0
+    usersync:
+      cookie-family-name: trustx
+      iframe:
+        url: https://static.cdn.trustx.org/x/user_sync.html?source=pbs&us_privacy={{us_privacy}}&gpp={{gpp}}&gpp_sid={{gpp_sid}}&redirect={{redirect_url}}
+        support-cors: false
+        uid-macro: '$UID'
+      redirect:
+        url: https://sync.trustx.org/usync-pbs?us_privacy={{us_privacy}}&gpp={{gpp}}&gpp_sid={{gpp_sid}}&redirect={{redirect_url}}
+        support-cors: false
+        uid-macro: '$UID'

src/main/resources/static/bidder-params/trustx.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "TRUSTX Adapter Params",
+  "description": "A schema which validates params accepted by the TRUSTX adapter",
+  "type": "object",
+  "properties": {
+    "uid": {
+      "type": "integer",
+      "description": "The ad slot id"
+    },
+    "keywords": {
+      "type": "object",
+      "description": "Keywords"
+    }
+  }
+}