| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.knox.gateway.util.urltemplate; |
| |
| import org.apache.knox.test.category.FastTests; |
| import org.apache.knox.test.category.UnitTests; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.CoreMatchers.notNullValue; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.containsString; |
| import static org.hamcrest.Matchers.equalToIgnoringCase; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| @Category( { UnitTests.class, FastTests.class } ) |
| public class ExpanderTest { |
| |
| @Test |
| public void testHostAndPortOnlyExpansionBugKnox381() throws Exception { |
| String text = "{host}:{port}"; |
| Template template = Parser.parseTemplate( text ); |
| MockParams params = new MockParams(); |
| params.addValue( "host", "test-host" ); |
| params.addValue( "port", "777" ); |
| URI expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "test-host:777" ) ) ; |
| } |
| |
| @Test |
| public void testCompleteUrl() throws URISyntaxException { |
| String text; |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| text = "foo://username:password@example.com:8042/over/there/index.dtb?type=animal&name=narwhal#nose"; |
| template = Parser.parseLiteral( text ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( text ) ) ; |
| |
| text = "{scheme}://{username}:{password}@{host}:{port}/{path=**}?query={queryParam}#{fragment}"; |
| template = Parser.parseTemplate( text ); |
| params = new MockParams(); |
| params.addValue( "scheme", "http" ); |
| params.addValue( "username", "horton" ); |
| params.addValue( "password", "hadoop" ); |
| params.addValue( "host", "hortonworks.com" ); |
| params.addValue( "port", "8888" ); |
| params.addValue( "path", "top" ); |
| params.addValue( "path", "mid" ); |
| params.addValue( "path", "bot" ); |
| params.addValue( "path", "file" ); |
| params.addValue( "queryParam", "new-value" ); |
| params.addValue( "fragment", "fragment" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "http://horton:hadoop@hortonworks.com:8888/top/mid/bot/file?query=new-value#fragment" ) ) ; |
| } |
| |
| @Test |
| public void testBasicExpansion() throws Exception { |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| template = Parser.parseTemplate( "" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "" ) ) ; |
| |
| template = Parser.parseTemplate( "/" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/" ) ) ; |
| |
| template = Parser.parseTemplate( "{path-name}" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "path-value" ) ) ; |
| |
| template = Parser.parseTemplate( "/{path-name}" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/path-value" ) ) ; |
| |
| template = Parser.parseTemplate( "{path-name}/" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "path-value/" ) ) ; |
| |
| template = Parser.parseTemplate( "/{path-name}/" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/path-value/" ) ) ; |
| |
| template = Parser.parseTemplate( "path-name" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "other-path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "path-name" ) ) ; |
| |
| template = Parser.parseTemplate( "/path-name" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "other-path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/path-name" ) ) ; |
| |
| template = Parser.parseTemplate( "path-name/" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "other-path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "path-name/" ) ) ; |
| |
| template = Parser.parseTemplate( "/path-name/" ); |
| params = new MockParams(); |
| params.addValue( "path-name", "other-path-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/path-name/" ) ) ; |
| |
| template = Parser.parseTemplate( "?" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "" ) ) ; |
| |
| template = Parser.parseTemplate( "?query-name={queryParam-name}" ); |
| params = new MockParams(); |
| params.addValue( "queryParam-name", "queryParam-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query-name=queryParam-value" ) ) ; |
| |
| template = Parser.parseTemplate( "?query-name-1={queryParam-name-1}&query-name-2={queryParam-name-2}" ); |
| params = new MockParams(); |
| params.addValue( "queryParam-name-1", "queryParam-value-1" ); |
| params.addValue( "queryParam-name-2", "queryParam-value-2" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query-name-1=queryParam-value-1&query-name-2=queryParam-value-2" ) ) ; |
| |
| template = Parser.parseTemplate( "?query-name=queryParam-value" ); |
| params = new MockParams(); |
| params.addValue( "queryParam-name", "other-queryParam-value" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query-name=queryParam-value" ) ) ; |
| |
| template = Parser.parseTemplate( "?query-name-1=queryParam-value-1&query-name-2=queryParam-value-2" ); |
| params = new MockParams(); |
| params.addValue( "queryParam-name-1", "other-queryParam-value-1" ); |
| params.addValue( "queryParam-name-2", "other-queryParam-value-2" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query-name-1=queryParam-value-1&query-name-2=queryParam-value-2" ) ) ; |
| } |
| |
| // Can't create a URI with just a scheme: new URI( "http:" ) |
| // @Test |
| // public void testSchemeExpansion() throws URISyntaxException { |
| // Template template; |
| // Params params; |
| // URI expanded; |
| // |
| // template = Parser.parse( "scheme:" ); |
| // params = new Params(); |
| // expanded = Expander.expand( template, params ); |
| // assertThat( expanded.toString(), equalTo( "scheme:" ) ) ; |
| // } |
| |
| @Test |
| public void testAuthorityExpansion() throws URISyntaxException { |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| template = Parser.parseTemplate( "//host" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "//host" ) ) ; |
| |
| template = Parser.parseTemplate( "//:port" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "//:port" ) ) ; |
| |
| template = Parser.parseTemplate( "//username@" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "//username@" ) ) ; |
| |
| template = Parser.parseTemplate( "//:password@" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "//:password@" ) ) ; |
| } |
| |
| @Test |
| public void testPathExpansion() throws URISyntaxException { |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| template = Parser.parseTemplate( "/a/b/c" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/a/b/c" ) ) ; |
| |
| template = Parser.parseTemplate( "/top/{middle}/bottom" ); |
| params = new MockParams(); |
| params.addValue( "middle", "A" ); |
| params.addValue( "middle", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/top/A/B/bottom" ) ) ; |
| |
| template = Parser.parseTemplate( "/top/{middle=*}/bottom" ); |
| params = new MockParams(); |
| params.addValue( "middle", "A" ); |
| params.addValue( "middle", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/top/A/bottom" ) ) ; |
| |
| template = Parser.parseTemplate( "/top/{middle=**}/bottom" ); |
| params = new MockParams(); |
| params.addValue( "middle", "A" ); |
| params.addValue( "middle", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "/top/A/B/bottom" ) ) ; |
| } |
| |
| @Test |
| public void testQueryExpansion() throws URISyntaxException { |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| template = Parser.parseTemplate( "?query" ); |
| params = new MockParams(); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query" ) ) ; |
| |
| template = Parser.parseTemplate( "?query={queryParam}" ); |
| params = new MockParams(); |
| params.addValue( "queryParam", "A" ); |
| params.addValue( "queryParam", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query=A&query=B" ) ) ; |
| |
| template = Parser.parseTemplate( "?query={queryParam=*}" ); |
| params = new MockParams(); |
| params.addValue( "queryParam", "A" ); |
| params.addValue( "queryParam", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query=A" ) ) ; |
| |
| template = Parser.parseTemplate( "?query={queryParam=**}" ); |
| params = new MockParams(); |
| params.addValue( "queryParam", "A" ); |
| params.addValue( "queryParam", "B" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "?query=A&query=B" ) ) ; |
| |
| } |
| |
| @Test |
| public void testExtraParamHandling() throws Exception { |
| String text; |
| Template template; |
| MockParams params; |
| URI expandedUri; |
| Template expandedTemplate; |
| String expandedString; |
| |
| params = new MockParams(); |
| params.addValue( "scheme", "schemeA" ); |
| params.addValue( "host", "hostA" ); |
| params.addValue( "query", "queryA" ); |
| params.addValue( "query", "queryB" ); |
| params.addValue( "path", "pathA" ); |
| params.addValue( "path", "pathB" ); |
| params.addValue( "extra", "extraA" ); |
| |
| text = "{scheme}://host/{path=*]?{query=*}"; |
| template = Parser.parseTemplate( text ); |
| expandedTemplate = Expander.expandToTemplate( template, params, null ); |
| assertThat( expandedTemplate.toString(), equalTo( "schemeA://host/{path=*]?query=queryA" ) ); |
| expandedString = Expander.expandToString( template, params, null ); |
| assertThat( expandedString, equalTo( "schemeA://host/{path=*]?query=queryA" ) ); |
| try { |
| expandedUri = Expander.expand( template, params, null ); |
| assertNotNull(expandedUri); |
| fail( "Should have thrown exception" ); |
| } catch( URISyntaxException e ) { |
| // Expected. |
| assertThat("Illegal character in path at index 15: schemeA://host/{path=*]?query=queryA", |
| is(e.getMessage())); |
| } |
| |
| template = Parser.parseTemplate( "{scheme}://host/{path=**}?{query=**}" ); |
| expandedUri = Expander.expand( template, params, null ); |
| assertThat( expandedUri.toString(), equalTo( "schemeA://host/pathA/pathB?query=queryA&query=queryB" ) ); |
| |
| template = Parser.parseTemplate( "{scheme}://host/{path=**}?{host}&{query=**}&{**}" ); |
| expandedUri = Expander.expand( template, params, null ); |
| assertThat( |
| expandedUri.toString(), |
| equalTo( "schemeA://host/pathA/pathB?host=hostA&query=queryA&query=queryB&extra=extraA" ) ); |
| |
| template = Parser.parseTemplate( "{scheme}://host/{path=**}?server={host}&{query=**}&{**}" ); |
| expandedUri = Expander.expand( template, params, null ); |
| assertThat( |
| expandedUri.toString(), |
| equalTo( "schemeA://host/pathA/pathB?server=hostA&query=queryA&query=queryB&extra=extraA" ) ); |
| |
| // In this case "server-host" is treated as a param name and not found in the params so it |
| // is copied. I'm not really sure what the correct behavior should be. My initial thinking |
| // is that if something within {} isn't resolve to a param it should be dropped from the output. |
| template = Parser.parseTemplate( "{scheme}://host/{path=**}?{server=host}&{query=**}&{**}" ); |
| expandedUri = Expander.expand( template, params, null ); |
| expandedString = expandedUri.toString(); |
| assertThat( expandedString, containsString( "schemeA://host/pathA/pathB?" ) ); |
| assertThat( expandedString, containsString( "server=host" ) ); |
| assertThat( expandedString, containsString( "query=queryA" ) ); |
| assertThat( expandedString, containsString( "query=queryB" ) ); |
| assertThat( expandedString, containsString( "host=hostA" ) ); |
| assertThat( expandedString, containsString( "extra=extraA" ) ); |
| assertThat( expandedString, containsString( "&" ) ); |
| } |
| |
| |
| @Test |
| public void testBugKnox599() throws Exception { |
| String text; |
| Template template; |
| MockParams params; |
| URI expanded; |
| |
| text = "{scheme}://{host}:{port}/{path=**}?{**}"; |
| template = Parser.parseTemplate( text ); |
| params = new MockParams(); |
| params.addValue( "scheme", "http" ); |
| params.addValue( "host", "hortonworks.com" ); |
| params.addValue( "port", "8888" ); |
| params.addValue( "path", "top" ); |
| params.addValue( "path", "mid" ); |
| params.addValue( "path", "bot" ); |
| params.addValue( "path", "file" ); |
| params.addValue( "name", "value" ); |
| params.addValue( "flag", "" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "http://hortonworks.com:8888/top/mid/bot/file?name=value&flag=" ) ) ; |
| |
| text = "{scheme}://{host}:{port}/{path=**}?{**}"; |
| template = Parser.parseTemplate( text ); |
| params = new MockParams(); |
| params.addValue( "scheme", "http" ); |
| params.addValue( "host", "hortonworks.com" ); |
| params.addValue( "port", "8888" ); |
| params.addValue( "path", "top" ); |
| params.addValue( "path", "mid" ); |
| params.addValue( "path", "bot" ); |
| params.addValue( "path", "file" ); |
| params.addValue( "name", "value" ); |
| params.addValue( "flag", null ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "http://hortonworks.com:8888/top/mid/bot/file?name=value&flag" ) ) ; |
| |
| text = "{scheme}://{host}:{port}/{path=**}?{name=*}&{**}"; |
| template = Parser.parseTemplate( text ); |
| params = new MockParams(); |
| params.addValue( "scheme", "http" ); |
| params.addValue( "host", "hortonworks.com" ); |
| params.addValue( "port", "8888" ); |
| params.addValue( "path", "top" ); |
| params.addValue( "path", "mid" ); |
| params.addValue( "path", "bot" ); |
| params.addValue( "path", "file" ); |
| params.addValue( "name", null ); |
| params.addValue( "flag", "" ); |
| expanded = Expander.expand( template, params, null ); |
| assertThat( expanded.toString(), equalTo( "http://hortonworks.com:8888/top/mid/bot/file?name&flag=" ) ) ; |
| } |
| |
| @Test |
| public void testValuelessQueryParamParsingAndExpansionBugKnox599Knox447() throws Exception { |
| URI inputUri, outputUri; |
| Matcher<Void> matcher; |
| Matcher<Void>.Match match; |
| Template input, pattern, template; |
| Evaluator evaluator; |
| |
| inputUri = new URI( "https://knoxHost:8443/gateway/knoxTopo/templeton/v1/?version/hive" ); |
| |
| input = Parser.parseLiteral( inputUri.toString() ); |
| pattern = Parser.parseTemplate( "*://*:*/**/templeton/v1/?{**}" ); |
| template = Parser.parseTemplate( "{$serviceUrl[WEBHCAT]}/v1/?{**}" ); |
| |
| matcher = new Matcher<>(); |
| matcher.add( pattern, null ); |
| match = matcher.match( input ); |
| |
| evaluator = new Evaluator() { |
| @Override |
| public List<String> evaluate( String function, List<String> parameters ) { |
| return Collections.singletonList("https://webhcatTestHost.com:50111/templeton"); |
| } |
| }; |
| |
| outputUri = Expander.expand( template, match.getParams(), evaluator ); |
| assertThat( |
| outputUri.toString(), |
| equalToIgnoringCase( "https://webhcatTestHost.com:50111/templeton/v1/?version%2Fhive" ) ); |
| |
| } |
| |
| @Test |
| public void testRedirectHeaderRewriteKnoxBug614() throws Exception { |
| URI inputUri, outputUri; |
| Matcher<Void> matcher; |
| Matcher<Void>.Match match; |
| Template input, pattern, template; |
| Evaluator evaluator; |
| |
| inputUri = new URI("https://internal-host:9443/context/?user.name=admin#/login"); |
| |
| input = Parser.parseLiteral( inputUri.toString() ); |
| pattern = Parser.parseTemplate( "*://*:*/{contextRoot}/?{**}#{fragment}" ); |
| template = Parser.parseTemplate( "{$gateway.url}/foo/{contextRoot}/?{**}#{fragment}" ); |
| |
| matcher = new Matcher<>(); |
| matcher.add( pattern, null ); |
| match = matcher.match( input ); |
| |
| evaluator = new Evaluator() { |
| @Override |
| public List<String> evaluate( String function, List<String> parameters ) { |
| return Collections.singletonList("https://gateway-host:9443/gateway/default"); |
| } |
| }; |
| |
| outputUri = Expander.expand( template, match.getParams(), evaluator ); |
| assertNotNull(outputUri.toString()); |
| assertThat( |
| outputUri.toString(), |
| is( "https://gateway-host:9443/gateway/default/foo/context/?user.name=admin#/login" ) ); |
| } |
| |
| @Test |
| public void testLiteralsAndRegexInTemplates() throws Exception { |
| String output; |
| Matcher<Void> matcher; |
| Matcher<Void>.Match match; |
| Template input, template, rewrite; |
| Evaluator evaluator; |
| |
| evaluator = new Evaluator() { |
| @Override |
| public List<String> evaluate( String function, List<String> parameters ) { |
| return Collections.singletonList("https://gateway-host:9443/gateway/default"); |
| } |
| }; |
| |
| // Check to make sure that you can use constants within the {} |
| template = Parser.parseTemplate( "{root=ROOT}/{path=**}" ); |
| rewrite = Parser.parseTemplate( "{root}/{path}" ); |
| matcher = new Matcher<>(); |
| matcher.add( template, null ); |
| input = Parser.parseLiteral( "ROOT/child/path" ); |
| match = matcher.match( input ); |
| assertThat( match, notNullValue() ); |
| output = Expander.expandToString( rewrite, match.getParams(), evaluator ); |
| assertThat( output, is( "ROOT/child/path" ) ); |
| |
| // Check to see what happens when you use the special { character within the {}. |
| template = Parser.parseTemplate( "{root={}/{path=**}" ); |
| rewrite = Parser.parseTemplate( "{root}/{path}" ); |
| matcher = new Matcher<>(); |
| matcher.add( template, null ); |
| input = Parser.parseLiteral( "{/child/path" ); |
| match = matcher.match( input ); |
| assertThat( match, notNullValue() ); |
| output = Expander.expandToString( rewrite, match.getParams(), evaluator ); |
| assertThat( output, is( "{/child/path" ) ); |
| |
| // Check to see what happens when you use the special } character within the {}. |
| template = Parser.parseTemplate( "{root=}}/{path=**}" ); |
| rewrite = Parser.parseTemplate( "{root}/{path}" ); |
| matcher = new Matcher<>(); |
| matcher.add( template, null ); |
| input = Parser.parseLiteral( "}/child/path" ); |
| match = matcher.match( input ); |
| assertThat( match, notNullValue() ); |
| output = Expander.expandToString( rewrite, match.getParams(), evaluator ); |
| assertThat( output, is( "}/child/path" ) ); |
| |
| // Check to see what happens when you use the special } character within the {}. |
| template = Parser.parseTemplate( "{root={}}/{path=**}" ); |
| rewrite = Parser.parseTemplate( "{root}/{path}" ); |
| matcher = new Matcher<>(); |
| matcher.add( template, null ); |
| input = Parser.parseLiteral( "{}/child/path" ); |
| match = matcher.match( input ); |
| assertThat( match, notNullValue() ); |
| output = Expander.expandToString( rewrite, match.getParams(), evaluator ); |
| assertThat( output, is( "{}/child/path" ) ); |
| |
| template = Parser.parseTemplate( "{var=${*}}/{path=**}" ); |
| rewrite = Parser.parseTemplate( "{var}/{path}" ); |
| |
| matcher = new Matcher<>(); |
| matcher.add( template, null ); |
| |
| input = Parser.parseLiteral( "${app.dir}/child/path" ); |
| match = matcher.match( input ); |
| assertThat( match, notNullValue() ); |
| |
| output = Expander.expandToString( rewrite, match.getParams(), evaluator ); |
| assertThat( output, is( "${app.dir}/child/path" ) ); |
| } |
| |
| } |