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fix: encode query parameters properly. #454

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merged 1 commit into from
Sep 13, 2016
Merged

fix: encode query parameters properly. #454

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29 changes: 28 additions & 1 deletion src/main/java/io/minio/MinioClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@

package io.minio;

import com.google.common.net.UrlEscapers;
import com.google.common.escape.Escaper;
import com.google.common.io.ByteStreams;
import com.google.gson.Gson;
import com.squareup.okhttp.HttpUrl;
Expand Down Expand Up @@ -126,6 +128,7 @@
*/
@SuppressWarnings({"SameParameterValue", "WeakerAccess"})
public final class MinioClient {
private static final Escaper QUERY_ESCAPER = UrlEscapers.urlPathSegmentEscaper();
private static final Logger LOGGER = Logger.getLogger(MinioClient.class.getName());
// maximum allowed object size is 5TiB
private static final long MAX_OBJECT_SIZE = 5L * 1024 * 1024 * 1024 * 1024;
Expand Down Expand Up @@ -590,6 +593,29 @@ public void setTimeout(long connectTimeout, long writeTimeout, long readTimeout)
httpClient.setReadTimeout(readTimeout, TimeUnit.MILLISECONDS);
}

/**
* Returns encoded query string for URL.
*/
private static String encodeQueryString(String str) {
return QUERY_ESCAPER.escape(str)
.replaceAll("\\!", "%21")
.replaceAll("\\$", "%24")
.replaceAll("\\&", "%26")
.replaceAll("\\'", "%27")
.replaceAll("\\(", "%28")
.replaceAll("\\)", "%29")
.replaceAll("\\*", "%2A")
.replaceAll("\\+", "%2B")
.replaceAll("\\,", "%2C")
.replaceAll("\\\\", "%2F")
.replaceAll("\\:", "%3A")
.replaceAll("\\;", "%3B")
.replaceAll("\\=", "%3D")
.replaceAll("\\@", "%40")
.replaceAll("\\[", "%5B")
.replaceAll("\\]", "%5D");
}

/**
* Creates Request object for given request parameters.
*
Expand Down Expand Up @@ -658,7 +684,8 @@ private Request createRequest(Method method, String bucketName, String objectNam

if (queryParamMap != null) {
for (Map.Entry<String,String> entry : queryParamMap.entrySet()) {
urlBuilder.addQueryParameter(entry.getKey(), entry.getValue());
urlBuilder.addEncodedQueryParameter(encodeQueryString(entry.getKey()),
encodeQueryString(entry.getValue()));
}
}

Expand Down
7 changes: 2 additions & 5 deletions src/main/java/io/minio/Signer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,6 @@
import com.squareup.okhttp.Request;
import com.squareup.okhttp.HttpUrl;
import com.squareup.okhttp.Headers;
import com.google.common.net.UrlEscapers;
import com.google.common.escape.Escaper;
import com.google.common.base.Joiner;
import com.google.common.io.BaseEncoding;

Expand All @@ -42,7 +40,6 @@
* Amazon AWS S3 signature V4 signer.
*/
class Signer {
public static final Escaper QUERY_ESCAPER = UrlEscapers.urlPathSegmentEscaper();
//
// Excerpts from @lsegal - https://github.com/aws/aws-sdk-js/issues/659#issuecomment-120477258
//
Expand Down Expand Up @@ -154,9 +151,9 @@ private void setCanonicalQueryString() {
for (String queryParam : encodedQuery.split("&")) {
String[] tokens = queryParam.split("=");
if (tokens.length > 1) {
signedQueryParams.put(QUERY_ESCAPER.escape(tokens[0]), QUERY_ESCAPER.escape(tokens[1]));
signedQueryParams.put(tokens[0], tokens[1]);
} else {
signedQueryParams.put(QUERY_ESCAPER.escape(tokens[0]), "");
signedQueryParams.put(tokens[0], "");
}
}

Expand Down