AntRegexRequestMatcher Optimization

Closes gh-11234
This commit is contained in:
Rob Winch 2022-05-16 09:48:42 -05:00
parent 9059fb3fc7
commit 7f121e82f4
2 changed files with 23 additions and 8 deletions

View File

@ -40,8 +40,13 @@ import org.springframework.util.StringUtils;
* @since 3.1
*/
public final class RegexRequestMatcher implements RequestMatcher {
private final static Log logger = LogFactory.getLog(RegexRequestMatcher.class);
private static final int DEFAULT = Pattern.DOTALL;
private static final int CASE_INSENSITIVE = DEFAULT | Pattern.CASE_INSENSITIVE;
private final Pattern pattern;
private final HttpMethod httpMethod;
@ -64,14 +69,8 @@ public final class RegexRequestMatcher implements RequestMatcher {
* {@link Pattern#CASE_INSENSITIVE} flag set.
*/
public RegexRequestMatcher(String pattern, String httpMethod, boolean caseInsensitive) {
if (caseInsensitive) {
this.pattern = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE);
}
else {
this.pattern = Pattern.compile(pattern);
}
this.httpMethod = StringUtils.hasText(httpMethod) ? HttpMethod
.valueOf(httpMethod) : null;
this.pattern = Pattern.compile(pattern, caseInsensitive ? CASE_INSENSITIVE : DEFAULT);
this.httpMethod = StringUtils.hasText(httpMethod) ? HttpMethod.valueOf(httpMethod) : null;
}
/**

View File

@ -108,6 +108,22 @@ public class RegexRequestMatcherTests {
assertThat(matcher.matches(request)).isFalse();
}
@Test
public void matchesWithCarriageReturn() {
RegexRequestMatcher matcher = new RegexRequestMatcher(".*", null);
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/blah%0a");
request.setServletPath("/blah\n");
assertThat(matcher.matches(request)).isTrue();
}
@Test
public void matchesWithLineFeed() {
RegexRequestMatcher matcher = new RegexRequestMatcher(".*", null);
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/blah%0d");
request.setServletPath("/blah\r");
assertThat(matcher.matches(request)).isTrue();
}
@Test
public void toStringThenFormatted() {
RegexRequestMatcher matcher = new RegexRequestMatcher("/blah", "GET");