Allow duplicate cookie family names

src/main/java/org/prebid/server/auction/model/SetuidContext.java

@@ -6,7 +6,7 @@
 import lombok.Value;
 import org.prebid.server.activity.infrastructure.ActivityInfrastructure;
 import org.prebid.server.auction.gpp.model.GppContext;
-import org.prebid.server.bidder.UsersyncMethodType;
+import org.prebid.server.bidder.Usersyncer;
 import org.prebid.server.cookie.UidsCookie;
 import org.prebid.server.execution.timeout.Timeout;
 import org.prebid.server.privacy.model.PrivacyContext;
@@ -27,10 +27,10 @@ public class SetuidContext {
 
     Account account;
 
-    String cookieName;
+    String bidder;
 
     @JsonIgnore
-    UsersyncMethodType syncType;
+    Usersyncer usersyncer;
 
     PrivacyContext privacyContext;
 

src/main/java/org/prebid/server/bidder/UsersyncInfoFactory.java

@@ -0,0 +1,124 @@
+package org.prebid.server.bidder;
+
+import lombok.Value;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.ObjectUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.prebid.server.privacy.model.Privacy;
+import org.prebid.server.proto.response.UsersyncInfo;
+import org.prebid.server.util.HttpUtil;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class UsersyncInfoFactory {
+
+    private static final String CALLBACK_URL_TEMPLATE = """
+            %s/setuid?\
+            bidder=%s\
+            &gdpr={{gdpr}}\
+            &gdpr_consent={{gdpr_consent}}\
+            &us_privacy={{us_privacy}}\
+            &gpp={{gpp}}\
+            &gpp_sid={{gpp_sid}}\
+            &f={{format}}\
+            &uid=%s""";
+
+    private static final String GDPR_PLACEHOLDER = "{{gdpr}}";
+    private static final String GDPR_CONSENT_PLACEHOLDER = "{{gdpr_consent}}";
+    private static final String US_PRIVACY_PLACEHOLDER = "{{us_privacy}}";
+    private static final String GPP_PLACEHOLDER = "{{gpp}}";
+    private static final String GPP_SID_PLACEHOLDER = "{{gpp_sid}}";
+    private static final String REDIRECT_URL_PLACEHOLDER = "{{redirect_url}}";
+    private static final String FORMAT_PLACEHOLDER = "{{format}}";
+
+    private final String externalUrl;
+
+    public UsersyncInfoFactory(String externalUrl) {
+        this.externalUrl = HttpUtil.validateUrl(Objects.requireNonNull(externalUrl));
+    }
+
+    public UsersyncInfo build(String bidder,
+                              String hostCookieUid,
+                              UsersyncMethod usersyncMethod,
+                              Privacy privacy) {
+
+        final UsersyncUrls usersyncUrls = buildUsersyncUrls(bidder, hostCookieUid, usersyncMethod);
+        final UsersyncUrls usersyncUrlsWithPrivacy = applyPrivacy(usersyncUrls, privacy);
+        final String resolvedUsersyncUrl = usersyncUrlsWithPrivacy.usersyncUrl.replace(
+                REDIRECT_URL_PLACEHOLDER, HttpUtil.encodeUrl(usersyncUrlsWithPrivacy.redirectUrl));
+
+        return UsersyncInfo.of(resolvedUsersyncUrl, usersyncMethod.getType(), usersyncMethod.isSupportCORS());
+    }
+
+    private UsersyncUrls buildUsersyncUrls(String bidder, String hostCookieUid, UsersyncMethod usersyncMethod) {
+        final String usersyncUrl = hostCookieUid == null
+                ? StringUtils.defaultString(usersyncMethod.getUsersyncUrl())
+                : buildRedirectUrl(bidder, hostCookieUid, usersyncMethod);
+
+        final String redirectUrl = hostCookieUid == null
+                ? buildRedirectUrl(bidder, usersyncMethod.getUidMacro(), usersyncMethod)
+                : StringUtils.EMPTY;
+
+        return UsersyncUrls.of(usersyncUrl, redirectUrl);
+    }
+
+    private String buildRedirectUrl(String bidder, String uid, UsersyncMethod method) {
+        final String url = CALLBACK_URL_TEMPLATE.formatted(
+                externalUrl, HttpUtil.encodeUrl(bidder), StringUtils.defaultString(uid));
+        return url.replace(FORMAT_PLACEHOLDER, resolveFormat(method).name);
+    }
+
+    private static UsersyncFormat resolveFormat(UsersyncMethod method) {
+        return ObjectUtils.firstNonNull(method.getFormatOverride(), method.getType().format);
+    }
+
+    private static UsersyncUrls applyPrivacy(UsersyncUrls usersyncUrls, Privacy privacy) {
+        final String gdpr = StringUtils.defaultString(privacy.getGdpr());
+        final String consent = StringUtils.defaultString(privacy.getConsentString());
+        final String ccpa = StringUtils.defaultString(privacy.getCcpa().getUsPrivacy());
+        final String gpp = StringUtils.defaultString(privacy.getGpp());
+        final String gppSid = listToString(privacy.getGppSid());
+
+        final String redirectUrl = updateUrlWithPrivacy(usersyncUrls.redirectUrl, gdpr, consent, ccpa, gpp, gppSid);
+
+        final String encodedGdpr = HttpUtil.encodeUrl(gdpr);
+        final String encodedConsent = HttpUtil.encodeUrl(consent);
+        final String encodedUsPrivacy = HttpUtil.encodeUrl(ccpa);
+        final String encodedGpp = HttpUtil.encodeUrl(gpp);
+        final String endodedGppSid = HttpUtil.encodeUrl(gppSid);
+
+        final String usersyncUrl = updateUrlWithPrivacy(
+                usersyncUrls.usersyncUrl, encodedGdpr, encodedConsent, encodedUsPrivacy, encodedGpp, endodedGppSid);
+
+        return UsersyncUrls.of(usersyncUrl, redirectUrl);
+    }
+
+    private static String listToString(List<Integer> gppSid) {
+        return CollectionUtils.emptyIfNull(gppSid).stream()
+                .map(String::valueOf)
+                .collect(Collectors.joining(","));
+    }
+
+    private static String updateUrlWithPrivacy(String url,
+                                               String gdpr,
+                                               String gdprConsent,
+                                               String usPrivacy,
+                                               String gpp,
+                                               String gppSid) {
+
+        return url
+                .replace(GDPR_PLACEHOLDER, gdpr)
+                .replace(GDPR_CONSENT_PLACEHOLDER, gdprConsent)
+                .replace(US_PRIVACY_PLACEHOLDER, usPrivacy)
+                .replace(GPP_PLACEHOLDER, gpp)
+                .replace(GPP_SID_PLACEHOLDER, gppSid);
+    }
+
+    @Value(staticConstructor = "of")
+    private static class UsersyncUrls {
+        String usersyncUrl;
+        String redirectUrl;
+    }
+}

src/main/java/org/prebid/server/bidder/UsersyncMethod.java

@@ -11,7 +11,7 @@ public class UsersyncMethod {
 
     String usersyncUrl;
 
-    String redirectUrl;
+    String uidMacro;
 
     boolean supportCORS;
 

src/main/java/org/prebid/server/bidder/Usersyncer.java

@@ -1,7 +1,6 @@
 package org.prebid.server.bidder;
 
 import lombok.Value;
-import org.prebid.server.spring.config.bidder.model.usersync.CookieFamilySource;
 
 import java.util.List;
 
@@ -12,8 +11,6 @@ public class Usersyncer {
 
     String cookieFamilyName;
 
-    CookieFamilySource cookieFamilySource;
-
     UsersyncMethod iframe;
 
     UsersyncMethod redirect;
@@ -31,7 +28,6 @@ public static Usersyncer of(String cookieFamilyName,
         return of(
                 true,
                 cookieFamilyName,
-                CookieFamilySource.ROOT,
                 iframe,
                 redirect,
                 skipWhenInGdprScope,