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HDFS-6662. WebHDFS cannot open a file if its path contains "%". Contributed by Gerson Carlos.

This commit is contained in:
Haohui Mai 2015-02-17 13:04:38 -08:00
parent 00b80958d8
commit 043e44bc36
4 changed files with 24 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -970,6 +970,9 @@ Release 2.7.0 - UNRELEASED
HDFS-7798. Checkpointing failure caused by shared KerberosAuthenticator.
(Chengbing Liu via yliu)
HDFS-6662. WebHDFS cannot open a file if its path contains "%".
(Gerson Carlos via wheat9)
BREAKDOWN OF HDFS-7584 SUBTASKS AND RELATED JIRAS
HDFS-7720. Quota by Storage Type API, tools and ClientNameNode

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java
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@ -50,7 +50,7 @@ class ParameterParser {
private final Map<String, List<String>> params;
ParameterParser(QueryStringDecoder decoder, Configuration conf) {
this.path = decoder.path().substring(WEBHDFS_PREFIX_LENGTH);
this.path = QueryStringDecoder.decodeComponent(decoder.path().substring(WEBHDFS_PREFIX_LENGTH));
this.params = decoder.parameters();
this.conf = conf;
}

7
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js
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@ -102,6 +102,13 @@
menus.change();
}
function encode_path(abs_path) {
abs_path = encodeURIComponent(abs_path);
var re = /%2F/g;
return abs_path.replace(re, '/');
}
abs_path = encode_path(abs_path);
var url = '/webhdfs/v1' + abs_path + '?op=GET_BLOCK_LOCATIONS';
$.get(url).done(function(data) {
var d = get_response(data, "LocatedBlocks");

13
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/TestParameterParser.java
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@ -52,4 +52,17 @@ public void testDeserializeHAToken() throws IOException {
final Token<DelegationTokenIdentifier> tok2 = testParser.delegationToken();
Assert.assertTrue(HAUtil.isTokenForLogicalUri(tok2));
}
@Test
public void testDecodePath() {
final String SCAPED_PATH = "hdfs-6662/test%25251%26%3Dtest?op=OPEN";
final String EXPECTED_PATH = "/hdfs-6662/test%251&=test";
Configuration conf = DFSTestUtil.newHAConfiguration(LOGICAL_NAME);
QueryStringDecoder decoder = new QueryStringDecoder(
WebHdfsHandler.WEBHDFS_PREFIX + "/"
+ SCAPED_PATH);
ParameterParser testParser = new ParameterParser(decoder, conf);
Assert.assertEquals(EXPECTED_PATH, testParser.path());
}
}