Add ProjectMetadata as a parameter to ProjectRoutingResolver.resolve (elastic#140291)

This change adds ProjectMetadata as a parameter to ProjectRoutingResolver.resolve which is required to support saced project routing expressions

Author: alexey-ivanov-es

server/src/main/java/org/elasticsearch/search/crossproject/ProjectRoutingResolver.java

@@ -9,6 +9,8 @@
 
 package org.elasticsearch.search.crossproject;
 
+import org.elasticsearch.cluster.metadata.ProjectMetadata;
+
 /**
  * Filter for the target projects based on the provided project routing string.
  */
@@ -21,12 +23,14 @@ public interface ProjectRoutingResolver {
 
     /**
      * Filters the specified TargetProjects based on the provided project routing string
-     * @param projectRouting the project_routing specified in the request object
-     * @param targetProjects The target projects to be filtered
+     *
+     * @param projectRouting  the project_routing specified in the request object
+     * @param projectMetadata project metadata for the origin project
+     * @param targetProjects  The target projects to be filtered
      * @return A new TargetProjects instance containing only the projects that match the project routing.
      */
-    TargetProjects resolve(String projectRouting, TargetProjects targetProjects);
+    TargetProjects resolve(String projectRouting, ProjectMetadata projectMetadata, TargetProjects targetProjects);
 
     /** No-op router - just returns the provided target projects. */
-    ProjectRoutingResolver NOOP = (projectRouting, targetProjects) -> targetProjects;
+    ProjectRoutingResolver NOOP = (projectRouting, projectMetadata, targetProjects) -> targetProjects;
 }

x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authz/IndicesAndAliasesResolver.java

@@ -404,6 +404,7 @@ ResolvedIndices resolveIndicesAndAliases(
                     if (crossProjectModeDecider.resolvesCrossProject(replaceable)) {
                         final var resolvedProjects = crossProjectRoutingResolver.resolve(
                             replaceable.getProjectRouting(),
+                            projectMetadata,
                             authorizedProjects
                         );
                         final var rewritten = CrossProjectIndexExpressionsRewriter.rewriteIndexExpression(
@@ -450,7 +451,11 @@ ResolvedIndices resolveIndicesAndAliases(
                     assert authorizedProjects != TargetProjects.LOCAL_ONLY_FOR_CPS_DISABLED
                         : "resolving cross-project request but authorized project is local only";
 
-                    final var resolvedProjects = crossProjectRoutingResolver.resolve(replaceable.getProjectRouting(), authorizedProjects);
+                    final var resolvedProjects = crossProjectRoutingResolver.resolve(
+                        replaceable.getProjectRouting(),
+                        projectMetadata,
+                        authorizedProjects
+                    );
 
                     final ResolvedIndexExpressions resolved = indexAbstractionResolver.resolveIndexAbstractions(
                         Arrays.asList(replaceable.indices()),