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From 0ac5caeaed1fa0354e02e0609f2c726b1b72eb8c Mon Sep 17 00:00:00 2001
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From: Oleg Kalnichevski <olegk@apache.org>
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Date: Tue, 29 Sep 2020 09:37:38 +0200
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Subject: [PATCH 3/3] Incorrect handling of malformed authority component by
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URIUtils#extractHost
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---
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.../apache/http/client/utils/URIUtils.java | 69 ++++++++-----------
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.../http/client/utils/TestURIUtils.java | 6 +-
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2 files changed, 32 insertions(+), 43 deletions(-)
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diff --git a/httpclient/src/main/java/org/apache/http/client/utils/URIUtils.java b/httpclient/src/main/java/org/apache/http/client/utils/URIUtils.java
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index 8eb7667e3..aa3431f6f 100644
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--- a/httpclient/src/main/java/org/apache/http/client/utils/URIUtils.java
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+++ b/httpclient/src/main/java/org/apache/http/client/utils/URIUtils.java
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@@ -419,56 +419,43 @@ public class URIUtils {
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if (uri == null) {
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return null;
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}
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- HttpHost target = null;
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if (uri.isAbsolute()) {
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- int port = uri.getPort(); // may be overridden later
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- String host = uri.getHost();
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- if (host == null) { // normal parse failed; let's do it ourselves
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+ if (uri.getHost() == null) { // normal parse failed; let's do it ourselves
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// authority does not seem to care about the valid character-set for host names
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- host = uri.getAuthority();
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- if (host != null) {
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+ if (uri.getAuthority() != null) {
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+ String content = uri.getAuthority();
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// Strip off any leading user credentials
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- final int at = host.indexOf('@');
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- if (at >= 0) {
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- if (host.length() > at+1 ) {
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- host = host.substring(at+1);
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- } else {
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- host = null; // @ on its own
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- }
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+ int at = content.indexOf('@');
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+ if (at != -1) {
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+ content = content.substring(at + 1);
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}
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- // Extract the port suffix, if present
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- if (host != null) {
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- final int colon = host.indexOf(':');
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- if (colon >= 0) {
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- final int pos = colon + 1;
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- int len = 0;
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- for (int i = pos; i < host.length(); i++) {
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- if (Character.isDigit(host.charAt(i))) {
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- len++;
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- } else {
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- break;
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- }
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- }
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- if (len > 0) {
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- try {
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- port = Integer.parseInt(host.substring(pos, pos + len));
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- } catch (final NumberFormatException ex) {
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- }
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- }
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- host = host.substring(0, colon);
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+ final String scheme = uri.getScheme();
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+ final String hostname;
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+ final int port;
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+ at = content.indexOf(":");
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+ if (at != -1) {
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+ hostname = content.substring(0, at);
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+ try {
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+ final String portText = content.substring(at + 1);
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+ port = !TextUtils.isEmpty(portText) ? Integer.parseInt(portText) : -1;
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+ } catch (final NumberFormatException ex) {
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+ return null;
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}
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+ } else {
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+ hostname = content;
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+ port = -1;
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+ }
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+ try {
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+ return new HttpHost(hostname, port, scheme);
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+ } catch (final IllegalArgumentException ex) {
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+ return null;
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}
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}
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- }
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- final String scheme = uri.getScheme();
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- if (!TextUtils.isBlank(host)) {
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- try {
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- target = new HttpHost(host, port, scheme);
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- } catch (final IllegalArgumentException ignore) {
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- }
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+ } else {
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+ return new HttpHost(uri.getHost(), uri.getPort(), uri.getScheme());
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}
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}
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- return target;
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+ return null;
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}
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/**
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diff --git a/httpclient/src/test/java/org/apache/http/client/utils/TestURIUtils.java b/httpclient/src/test/java/org/apache/http/client/utils/TestURIUtils.java
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index 189966635..98a44bc1c 100644
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--- a/httpclient/src/test/java/org/apache/http/client/utils/TestURIUtils.java
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+++ b/httpclient/src/test/java/org/apache/http/client/utils/TestURIUtils.java
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@@ -273,14 +273,16 @@ public class TestURIUtils {
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Assert.assertEquals(new HttpHost("localhost",8080),
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URIUtils.extractHost(new URI("http://localhost:8080/;sessionid=stuff/abcd")));
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- Assert.assertEquals(new HttpHost("localhost",8080),
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+ Assert.assertEquals(null,
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URIUtils.extractHost(new URI("http://localhost:8080;sessionid=stuff/abcd")));
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- Assert.assertEquals(new HttpHost("localhost",-1),
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+ Assert.assertEquals(null,
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URIUtils.extractHost(new URI("http://localhost:;sessionid=stuff/abcd")));
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Assert.assertEquals(null,
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URIUtils.extractHost(new URI("http://:80/robots.txt")));
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Assert.assertEquals(null,
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URIUtils.extractHost(new URI("http://some%20domain:80/robots.txt")));
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+ Assert.assertEquals(null,
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+ URIUtils.extractHost(new URI("http://blah@goggle.com:80@google.com/")));
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}
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@Test
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--
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2.31.1
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