Fix EQL search request filter when built with exceptions (#79753)

elastic · Oct 6, 2020 · 7f5b824 · 7f5b824
1 parent 0db0a16
commit 7f5b824
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Showing 2 changed files with 84 additions and 56 deletions.
diff --git a/x-pack/plugins/security_solution/common/detection_engine/get_query_filter.test.ts b/x-pack/plugins/security_solution/common/detection_engine/get_query_filter.test.ts
@@ -1105,11 +1105,17 @@ describe('get_filter', () => {
           size: 100,
           query: 'process where true',
           filter: {
-            range: {
-              '@timestamp': {
-                gte: 'now-5m',
-                lte: 'now',
-              },
+            bool: {
+              filter: [
+                {
+                  range: {
+                    '@timestamp': {
+                      gte: 'now-5m',
+                      lte: 'now',
+                    },
+                  },
+                },
+              ],
             },
           },
         },
@@ -1135,11 +1141,17 @@ describe('get_filter', () => {
           size: 100,
           query: 'process where true',
           filter: {
-            range: {
-              'event.ingested': {
-                gte: 'now-5m',
-                lte: 'now',
-              },
+            bool: {
+              filter: [
+                {
+                  range: {
+                    'event.ingested': {
+                      gte: 'now-5m',
+                      lte: 'now',
+                    },
+                  },
+                },
+              ],
             },
           },
         },
@@ -1164,44 +1176,52 @@ describe('get_filter', () => {
           size: 100,
           query: 'process where true',
           filter: {
-            range: {
-              '@timestamp': {
-                gte: 'now-5m',
-                lte: 'now',
-              },
-            },
             bool: {
-              must_not: {
-                bool: {
-                  should: [
-                    {
+              filter: [
+                {
+                  range: {
+                    '@timestamp': {
+                      gte: 'now-5m',
+                      lte: 'now',
+                    },
+                  },
+                },
+                {
+                  bool: {
+                    must_not: {
                       bool: {
-                        filter: [
+                        should: [
                           {
-                            nested: {
-                              path: 'some.parentField',
-                              query: {
-                                bool: {
-                                  minimum_should_match: 1,
-                                  should: [
-                                    {
-                                      match_phrase: {
-                                        'some.parentField.nested.field': 'some value',
+                            bool: {
+                              filter: [
+                                {
+                                  nested: {
+                                    path: 'some.parentField',
+                                    query: {
+                                      bool: {
+                                        minimum_should_match: 1,
+                                        should: [
+                                          {
+                                            match_phrase: {
+                                              'some.parentField.nested.field': 'some value',
+                                            },
+                                          },
+                                        ],
                                       },
                                     },
-                                  ],
+                                    score_mode: 'none',
+                                  },
                                 },
-                              },
-                              score_mode: 'none',
-                            },
-                          },
-                          {
-                            bool: {
-                              minimum_should_match: 1,
-                              should: [
                                 {
-                                  match_phrase: {
-                                    'some.not.nested.field': 'some value',
+                                  bool: {
+                                    minimum_should_match: 1,
+                                    should: [
+                                      {
+                                        match_phrase: {
+                                          'some.not.nested.field': 'some value',
+                                        },
+                                      },
+                                    ],
                                   },
                                 },
                               ],
@@ -1210,9 +1230,9 @@ describe('get_filter', () => {
                         ],
                       },
                     },
-                  ],
+                  },
                 },
-              },
+              ],
             },
           },
         },

diff --git a/x-pack/plugins/security_solution/common/detection_engine/get_query_filter.ts b/x-pack/plugins/security_solution/common/detection_engine/get_query_filter.ts
@@ -110,27 +110,35 @@ export const buildEqlSearchRequest = (
     exceptionFilter = buildExceptionFilter(exceptionQueries, indexPattern, config, true, 1024);
   }
   const indexString = index.join();
+  const requestFilter: unknown[] = [
+    {
+      range: {
+        [timestamp]: {
+          gte: from,
+          lte: to,
+        },
+      },
+    },
+  ];
+  if (exceptionFilter !== undefined) {
+    requestFilter.push({
+      bool: {
+        must_not: {
+          bool: exceptionFilter?.query.bool,
+        },
+      },
+    });
+  }
   const baseRequest = {
     method: 'POST',
     path: `/${indexString}/_eql/search?allow_no_indices=true`,
     body: {
       size,
       query,
       filter: {
-        range: {
-          [timestamp]: {
-            gte: from,
-            lte: to,
-          },
+        bool: {
+          filter: requestFilter,
         },
-        bool:
-          exceptionFilter !== undefined
-            ? {
-                must_not: {
-                  bool: exceptionFilter?.query.bool,
-                },
-              }
-            : undefined,
       },
     },
   };