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server/sonar-server/src/main/java/org/sonar/server/issue/index/IssueIndex.java

@@ -496,12 +496,9 @@ public class IssueIndex extends BaseIndex {
   }
 
   private void addAssignedToMeFacetIfNeeded(SearchRequestBuilder builder, SearchOptions options, IssueQuery query, Map<String, FilterBuilder> filters, QueryBuilder queryBuilder) {
-    if (!options.getFacets().contains(IssueFilterParameters.FACET_ASSIGNED_TO_ME)) {
-      return;
-    }
-
     String login = UserSession.get().login();
-    if (StringUtils.isEmpty(login)) {
+
+    if (!options.getFacets().contains(IssueFilterParameters.FACET_ASSIGNED_TO_ME) || StringUtils.isEmpty(login)) {
       return;
     }
 

server/sonar-server/src/main/java/org/sonar/server/issue/ws/SearchAction.java

@@ -172,8 +172,8 @@ public class SearchAction implements BaseIssuesWsAction {
       .setDescription("Comma-separated list of SCM accounts")
       .setExampleValue("torvalds@linux-foundation.org");
     action.createParam(IssueFilterParameters.ASSIGNEES)
-      .setDescription("Comma-separated list of assignee logins. The value '__me__' can be used as a placeholder for the current authenticating user")
-      .setExampleValue("admin,usera");
+      .setDescription("Comma-separated list of assignee logins. The value '__me__' can be used as a placeholder for user who performs the request")
+      .setExampleValue("admin,usera,__me__");
     action.createParam(IssueFilterParameters.ASSIGNED)
       .setDescription("To retrieve assigned or unassigned issues")
       .setBooleanPossibleValues();

server/sonar-server/src/test/java/org/sonar/server/issue/ws/SearchActionMediumTest.java

@@ -482,6 +482,34 @@ public class SearchActionMediumTest {
       .assertJson(this.getClass(), "empty_result.json", false);
   }
 
+  @Test
+  public void filter_by_assigned_to_me_unauthenticated() throws Exception {
+    ComponentDto project = insertComponent(ComponentTesting.newProjectDto("ABCD").setKey("MyProject"));
+    setDefaultProjectPermission(project);
+    ComponentDto file = insertComponent(ComponentTesting.newFileDto(project, "BCDE").setKey("MyComponent"));
+    RuleDto rule = newRule();
+    IssueDto issue1 = IssueTesting.newDto(rule, file, project)
+      .setStatus("OPEN")
+      .setKee("82fd47d4-b650-4037-80bc-7b112bd4eac2")
+      .setAssignee("john");
+    IssueDto issue2 = IssueTesting.newDto(rule, file, project)
+      .setStatus("OPEN")
+      .setKee("7b112bd4-b650-4037-80bc-82fd47d4eac2")
+      .setAssignee("alice");
+    IssueDto issue3 = IssueTesting.newDto(rule, file, project)
+      .setStatus("OPEN")
+      .setKee("82fd47d4-4037-b650-80bc-7b112bd4eac2");
+    db.issueDao().insert(session, issue1, issue2, issue3);
+    session.commit();
+    tester.get(IssueIndexer.class).indexAll();
+
+    wsTester.newGetRequest(IssuesWs.API_ENDPOINT, SearchAction.SEARCH_ACTION)
+      .setParam("resolved", "false")
+      .setParam("assignees", "__me__")
+      .execute()
+      .assertJson(this.getClass(), "empty_result.json", false);
+  }
+
   @Test
   public void hide_rules() throws Exception {
     ComponentDto project = insertComponent(ComponentTesting.newProjectDto("ABCD").setKey("MyProject"));