Merge pull request #185 from rmuir/fix_security_exceptions

Fix security problems in mapper-attachments.

.gitignore

@@ -13,5 +13,7 @@
 /.local-*-execution-hints.log
 /eclipse-build/
 build/
+**/.local*
 generated-resources/
 .gradle/
+/bin/

build.gradle

@@ -37,8 +37,9 @@ apply plugin: 'eclipse'
 apply plugin: 'elasticsearch.esplugin'
 
 esplugin {
+  name 'mapper-attachments'
   description 'The mapper attachments plugin adds the attachment type to Elasticsearch using Apache Tika.'
-  classname 'org.elasticsearch.plugin.mapper.attachments.MapperAttachmentsPlugin'
+  classname 'org.elasticsearch.mapper.attachments.MapperAttachmentsPlugin'
 }
 
 group = 'org.elasticsearch.plugin'
@@ -60,7 +61,7 @@ repositories {
 }
 
 dependencies {
-  compile('org.apache.tika:tika-parsers:1.10') {
+  compile('org.apache.tika:tika-parsers:1.11') {
     // TODO: is all of edu.ucar incompatibile with apache2 license? if so, we can exclude the group?
     // Not Apache2 License compatible
     exclude group: 'edu.ucar', module: 'netcdf'

src/main/java/org/elasticsearch/mapper/attachments/AttachmentMapper.java

@@ -17,32 +17,34 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment;
+package org.elasticsearch.mapper.attachments;
 
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexOptions;
-import org.apache.lucene.util.Constants;
 import org.apache.tika.Tika;
+import org.apache.tika.exception.TikaException;
 import org.apache.tika.language.LanguageIdentifier;
 import org.apache.tika.metadata.Metadata;
+import org.elasticsearch.SpecialPermission;
 import org.elasticsearch.Version;
 import org.elasticsearch.common.collect.Iterators;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.logging.ESLogger;
 import org.elasticsearch.common.logging.ESLoggerFactory;
 import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.common.util.CollectionUtils;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.index.mapper.*;
 
 import java.io.IOException;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.util.*;
 
 import static org.elasticsearch.index.mapper.MapperBuilders.*;
 import static org.elasticsearch.index.mapper.core.TypeParsers.parseMultiField;
 import static org.elasticsearch.index.mapper.core.TypeParsers.parsePathType;
-import static org.elasticsearch.plugin.mapper.attachments.tika.TikaInstance.tika;
 
 /**
  * <pre>
@@ -482,20 +484,7 @@ public class AttachmentMapper extends FieldMapper {
 
         String parsedContent;
         try {
-            Tika tika = tika();
-            if (tika == null) {
-                if (!ignoreErrors) {
-                    throw new MapperParsingException("Tika can not be initialized with the current Locale [" +
-                            Locale.getDefault().getLanguage() + "] on the current JVM [" +
-                            Constants.JAVA_VERSION + "]");
-                } else {
-                    logger.warn("Tika can not be initialized with the current Locale [{}] on the current JVM [{}]",
-                            Locale.getDefault().getLanguage(), Constants.JAVA_VERSION);
-                    return null;
-                }
-            }
-            // Set the maximum length of strings returned by the parseToString method, -1 sets no limit
-            parsedContent = tika.parseToString(StreamInput.wrap(content), metadata, indexedChars);
+            parsedContent = parseWithTika(content, metadata, indexedChars);
         } catch (Throwable e) {
             // #18: we could ignore errors when Tika does not parse data
             if (!ignoreErrors) {
@@ -614,6 +603,40 @@ public class AttachmentMapper extends FieldMapper {
         return null;
     }
 
+    // singleton
+    private static final Tika TIKA_INSTANCE = new Tika();
+
+    /**
+     * parses with tika, throwing any exception hit while parsing the document
+     */
+    // only package private for testing!
+    static String parseWithTika(final byte content[], final Metadata metadata, final int limit) throws TikaException, IOException {
+        // check that its not unprivileged code like a script
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(new SpecialPermission());
+        }
+
+        try {
+            return AccessController.doPrivileged(new PrivilegedExceptionAction<String>() {
+                @Override
+                public String run() throws TikaException, IOException {
+                    return TIKA_INSTANCE.parseToString(StreamInput.wrap(content), metadata, limit);
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            // checked exception from tika: unbox it
+            Throwable cause = e.getCause();
+            if (cause instanceof TikaException) {
+                throw (TikaException) cause;
+            } else if (cause instanceof IOException) {
+                throw (IOException) cause;
+            } else {
+                throw new AssertionError(cause);
+            }
+        }
+    }
+
     @Override
     protected void parseCreateField(ParseContext parseContext, List<Field> fields) throws IOException {
 

src/main/java/org/elasticsearch/mapper/attachments/MapperAttachmentsPlugin.java

@@ -17,10 +17,9 @@
  * under the License.
  */
 
-package org.elasticsearch.plugin.mapper.attachments;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.index.IndexService;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
 import org.elasticsearch.plugins.Plugin;
 
 public class MapperAttachmentsPlugin extends Plugin {

src/main/java/org/elasticsearch/plugin/mapper/attachments/tika/LocaleChecker.java

@@ -1,53 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.elasticsearch.plugin.mapper.attachments.tika;
-
-import org.apache.lucene.util.Constants;
-
-import java.util.StringTokenizer;
-
-import static java.lang.Integer.parseInt;
-
-public class LocaleChecker {
-    public static int JVM_MAJOR_VERSION = 0;
-    public static int JVM_MINOR_VERSION = 0;
-    public static int JVM_PATCH_MAJOR_VERSION = 0;
-    public static int JVM_PATCH_MINOR_VERSION = 0;
-
-    static {
-        StringTokenizer st = new StringTokenizer(Constants.JVM_SPEC_VERSION, ".");
-        JVM_MAJOR_VERSION = parseInt(st.nextToken());
-        if(st.hasMoreTokens()) {
-            JVM_MINOR_VERSION = parseInt(st.nextToken());
-        }
-        if(st.hasMoreTokens()) {
-            StringTokenizer stPatch = new StringTokenizer(st.nextToken(), "_");
-            JVM_PATCH_MAJOR_VERSION = parseInt(stPatch.nextToken());
-            JVM_PATCH_MINOR_VERSION = parseInt(stPatch.nextToken());
-        }
-    }
-
-    /**
-     * Tika 1.8 fixed currently known Locale issues with some JVMs
-     */
-    public static boolean isLocaleCompatible() {
-        return true;
-    }
-}

src/main/plugin-metadata/plugin-security.policy

@@ -17,29 +17,10 @@
  * under the License.
  */
 
-package org.elasticsearch.plugin.mapper.attachments.tika;
-
-
-import org.apache.tika.Tika;
-
-import static org.elasticsearch.plugin.mapper.attachments.tika.LocaleChecker.isLocaleCompatible;
-
-/**
- *
- */
-public class TikaInstance {
-
-    private static final Tika tika;
-
-    static {
-        if (isLocaleCompatible()) {
-           tika = new Tika();
-        } else {
-            tika = null;
-        }
-    }
-
-    public static Tika tika() {
-        return tika;
-    }
-}
+grant {
+  // TODO: fix tika not to actually install bouncy castle like this
+  permission java.security.SecurityPermission "putProviderProperty.BC";
+  permission java.security.SecurityPermission "insertProvider";
+  // TODO: fix POI XWPF to not do this: https://bz.apache.org/bugzilla/show_bug.cgi?id=58597
+  permission java.lang.reflect.ReflectPermission "suppressAccessChecks";
+};

src/test/java/org/elasticsearch/mapper/attachments/AttachmentUnitTestCase.java

@@ -17,27 +17,16 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.metadata.IndexMetaData;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.test.ESTestCase;
 import org.junit.Before;
-import org.junit.BeforeClass;
-
-import static org.elasticsearch.index.mapper.attachment.test.MapperTestUtils.assumeCorrectLocale;
 
 public class AttachmentUnitTestCase extends ESTestCase {
-    /**
-     * We can have issues with some JVMs and Locale
-     * See https://github.com/elasticsearch/elasticsearch-mapper-attachments/issues/105
-     */
-    @BeforeClass
-    public static void checkLocale() {
-        assumeCorrectLocale();
-    }
-    
+
     protected Settings testSettings;
     
     @Before

src/test/java/org/elasticsearch/mapper/attachments/DateAttachmentMapperTests.java

@@ -17,16 +17,14 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
 import org.elasticsearch.index.mapper.core.StringFieldMapper;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 import org.junit.Before;
-import org.junit.Test;
 
 import static org.elasticsearch.test.StreamsUtils.copyToStringFromClasspath;
 import static org.hamcrest.Matchers.instanceOf;

src/test/java/org/elasticsearch/mapper/attachments/EncryptedDocMapperTests.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.settings.Settings;
@@ -25,9 +25,7 @@ import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.MapperParsingException;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
-import org.junit.Test;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 
 import java.io.IOException;
 
@@ -41,7 +39,7 @@ import static org.hamcrest.Matchers.*;
  * Note that we have converted /org/elasticsearch/index/mapper/xcontent/testContentLength.txt
  * to a /org/elasticsearch/index/mapper/xcontent/encrypted.pdf with password `12345678`.
  */
-public class EncryptedDocMapperTest extends AttachmentUnitTestCase {
+public class EncryptedDocMapperTests extends AttachmentUnitTestCase {
 
     public void testMultipleDocsEncryptedLast() throws IOException {
         DocumentMapperParser mapperParser = MapperTestUtils.newMapperService(createTempDir(), Settings.EMPTY).documentMapperParser();
@@ -127,8 +125,10 @@ public class EncryptedDocMapperTest extends AttachmentUnitTestCase {
             docMapper.parse("person", "person", "1", json);
             fail("Expected doc parsing exception");
         } catch (MapperParsingException e) {
-            // TODO: check the error message...getting security problems atm
-            //assertTrue(e.getMessage(), e.getMessage().contains())
+            if (e.getMessage() == null || e.getMessage().contains("is encrypted") == false) {
+                // wrong exception
+                throw e;
+            }
         }
     }
 

src/test/java/org/elasticsearch/mapper/attachments/LanguageDetectionAttachmentMapperTests.java

@@ -17,18 +17,16 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
 import org.elasticsearch.index.mapper.core.StringFieldMapper;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 import org.junit.Before;
-import org.junit.Test;
 
 import java.io.IOException;
 

src/test/java/org/elasticsearch/mapper/attachments/MapperAttachmentsRestIT.java

@@ -17,12 +17,12 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.integration;
+package org.elasticsearch.mapper.attachments;
 
 import com.carrotsearch.randomizedtesting.annotations.Name;
 import com.carrotsearch.randomizedtesting.annotations.ParametersFactory;
 import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.plugin.mapper.attachments.MapperAttachmentsPlugin;
+import org.elasticsearch.mapper.attachments.MapperAttachmentsPlugin;
 import org.elasticsearch.test.rest.ESRestTestCase;
 import org.elasticsearch.test.rest.RestTestCandidate;
 import org.elasticsearch.test.rest.parser.RestTestParseException;

src/test/java/org/elasticsearch/mapper/attachments/MapperTestUtils.java

@@ -17,9 +17,8 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test;
+package org.elasticsearch.mapper.attachments;
 
-import org.apache.lucene.util.Constants;
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.metadata.IndexMetaData;
 import org.elasticsearch.common.settings.Settings;
@@ -35,12 +34,8 @@ import org.elasticsearch.test.IndexSettingsModule;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.Collections;
-import java.util.Locale;
 
-import static com.carrotsearch.randomizedtesting.RandomizedTest.assumeTrue;
-import static org.elasticsearch.plugin.mapper.attachments.tika.LocaleChecker.isLocaleCompatible;
-
-public class MapperTestUtils {
+class MapperTestUtils {
 
     public static MapperService newMapperService(Path tempDir, Settings indexSettings) throws IOException {
         Settings nodeSettings = Settings.builder()
@@ -55,14 +50,4 @@ public class MapperTestUtils {
         SimilarityService similarityService = new SimilarityService(idxSettings, Collections.emptyMap());
         return new MapperService(idxSettings, analysisService, similarityService);
     }
-
-    /**
-     * We can have issues with some JVMs and Locale
-     * See https://github.com/elasticsearch/elasticsearch-mapper-attachments/issues/105
-     */
-    public static void assumeCorrectLocale() {
-        assumeTrue("Current Locale language " + Locale.getDefault().getLanguage() +" could cause an error with Java " +
-                Constants.JAVA_VERSION, isLocaleCompatible());
-    }
-
 }

src/test/java/org/elasticsearch/mapper/attachments/MetadataMapperTests.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.settings.Settings;
@@ -25,9 +25,7 @@ import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.MapperParsingException;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
-import org.junit.Test;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 
 import java.io.IOException;
 
@@ -39,7 +37,7 @@ import static org.hamcrest.Matchers.*;
 /**
  * Test for https://github.com/elasticsearch/elasticsearch-mapper-attachments/issues/38
  */
-public class MetadataMapperTest extends AttachmentUnitTestCase {
+public class MetadataMapperTests extends AttachmentUnitTestCase {
 
     protected void checkMeta(String filename, Settings otherSettings, Long expectedDate, Long expectedLength) throws IOException {
         Settings settings = Settings.builder()
@@ -95,8 +93,8 @@ public class MetadataMapperTest extends AttachmentUnitTestCase {
     public void testWithEmptyDate() throws Exception {
         try {
             checkMeta("htmlWithEmptyDateMeta.html", Settings.builder().put("index.mapping.attachment.ignore_errors", false).build(), null, null);
-        } catch (MapperParsingException e) {
-            throw e;
+        } catch (MapperParsingException expected) {
+            assertTrue(expected.getMessage().contains("failed to parse"));
         }
     }
 

src/test/java/org/elasticsearch/mapper/attachments/MultifieldAttachmentMapperTests.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.common.Base64;
 import org.elasticsearch.common.settings.Settings;
@@ -26,14 +26,12 @@ import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.MapperService;
 import org.elasticsearch.index.mapper.ParsedDocument;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
 import org.elasticsearch.index.mapper.core.DateFieldMapper;
 import org.elasticsearch.index.mapper.core.StringFieldMapper;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Test;
 
 import java.nio.charset.StandardCharsets;
 

src/test/java/org/elasticsearch/mapper/attachments/SimpleAttachmentMapperTests.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
 import org.elasticsearch.Version;
 import org.elasticsearch.cluster.metadata.IndexMetaData;
@@ -26,8 +26,7 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
 import static org.elasticsearch.test.StreamsUtils.copyToBytesFromClasspath;

src/test/java/org/elasticsearch/mapper/attachments/StandaloneRunner.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.standalone;
+package org.elasticsearch.mapper.attachments;
 
 import org.apache.commons.cli.CommandLine;
 import org.elasticsearch.common.bytes.BytesReference;
@@ -32,8 +32,7 @@ import org.elasticsearch.env.Environment;
 import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;

src/test/java/org/elasticsearch/mapper/attachments/VariousDocTests.java

@@ -17,25 +17,23 @@
  * under the License.
  */
 
-package org.elasticsearch.index.mapper.attachment.test.unit;
+package org.elasticsearch.mapper.attachments;
 
-import org.apache.tika.Tika;
+import org.apache.tika.io.IOUtils;
+import org.apache.tika.metadata.Metadata;
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.mapper.DocumentMapper;
 import org.elasticsearch.index.mapper.DocumentMapperParser;
 import org.elasticsearch.index.mapper.ParseContext;
-import org.elasticsearch.index.mapper.attachment.AttachmentMapper;
-import org.elasticsearch.index.mapper.attachment.test.MapperTestUtils;
+import org.elasticsearch.mapper.attachments.AttachmentMapper;
 import org.junit.Before;
-import org.junit.Test;
 
 import java.io.IOException;
 import java.io.InputStream;
 
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
-import static org.elasticsearch.index.mapper.attachment.AttachmentMapper.FieldNames.*;
-import static org.elasticsearch.plugin.mapper.attachments.tika.TikaInstance.tika;
+import static org.elasticsearch.mapper.attachments.AttachmentMapper.FieldNames.*;
 import static org.elasticsearch.test.StreamsUtils.copyToBytesFromClasspath;
 import static org.elasticsearch.test.StreamsUtils.copyToStringFromClasspath;
 import static org.hamcrest.Matchers.isEmptyOrNullString;
@@ -44,7 +42,7 @@ import static org.hamcrest.Matchers.not;
 /**
  * Test for different documents
  */
-public class VariousDocTest extends AttachmentUnitTestCase {
+public class VariousDocTests extends AttachmentUnitTestCase {
 
     protected DocumentMapper docMapper;
 
@@ -69,7 +67,7 @@ public class VariousDocTest extends AttachmentUnitTestCase {
      * Test for encrypted PDF
      */
     public void testEncryptedPDFDocument() throws Exception {
-        assertException("encrypted.pdf");
+        assertException("encrypted.pdf", "is encrypted");
         // TODO Remove when this will be fixed in Tika. See https://issues.apache.org/jira/browse/TIKA-1548
         System.clearProperty("sun.font.fontmanager");
         testMapper("encrypted.pdf", true);
@@ -108,24 +106,25 @@ public class VariousDocTest extends AttachmentUnitTestCase {
         testMapper("asciidoc.asciidoc", false);
     }
 
-    void assertException(String filename) {
-        Tika tika = tika();
-        assumeTrue("Tika has been disabled. Ignoring test...", tika != null);
-
-        try (InputStream is = VariousDocTest.class.getResourceAsStream("/org/elasticsearch/index/mapper/attachment/test/sample-files/" + filename)) {
-            tika.parseToString(is);
+    void assertException(String filename, String expectedMessage) throws Exception {
+        try (InputStream is = VariousDocTests.class.getResourceAsStream("/org/elasticsearch/index/mapper/attachment/test/sample-files/" + filename)) {
+            byte bytes[] = IOUtils.toByteArray(is);
+            AttachmentMapper.parseWithTika(bytes, new Metadata(), -1);
             fail("expected exception");
         } catch (Exception e) {
-            // expected. TODO: check message
+            if (e.getMessage() != null && e.getMessage().contains(expectedMessage)) {
+              // ok
+            } else {
+              // unexpected
+              throw e;
+            }
         }
     }
 
     protected void assertParseable(String filename) throws Exception {
-        Tika tika = tika();
-        assumeTrue("Tika has been disabled. Ignoring test...", tika != null);
-
-        try (InputStream is = VariousDocTest.class.getResourceAsStream("/org/elasticsearch/index/mapper/attachment/test/sample-files/" + filename)) {
-            String parsedContent = tika.parseToString(is);
+        try (InputStream is = VariousDocTests.class.getResourceAsStream("/org/elasticsearch/index/mapper/attachment/test/sample-files/" + filename)) {
+            byte bytes[] = IOUtils.toByteArray(is);
+            String parsedContent = AttachmentMapper.parseWithTika(bytes, new Metadata(), -1);  
             assertThat(parsedContent, not(isEmptyOrNullString()));
             logger.debug("extracted content: {}", parsedContent);
         }