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Merge pull request #890 from aschweer/ds-2513-multipart-headers

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[DS-2513] Improve multipart header parsing
This commit is contained in:
helix84
2015-03-18 10:52:41 +01:00
parent 8115e47cac af1a21d503
commit 8f631d2b18
1 changed files with 13 additions and 17 deletions
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30
dspace-xmlui/src/main/java/org/dspace/app/xmlui/cocoon/servlet/multipart/DSpaceMultipartParser.java
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@@ -9,6 +9,7 @@ package org.dspace.app.xmlui.cocoon.servlet.multipart;
import org.apache.cocoon.servlet.multipart.*;
import org.apache.cocoon.util.NullOutputStream;
import org.apache.commons.fileupload.ParameterParser;
import org.apache.commons.lang.StringUtils;
import javax.servlet.http.HttpServletRequest;
@@ -16,6 +17,7 @@ import javax.servlet.http.HttpSession;
import java.io.*;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Map;
import java.util.Vector;
/**
@@ -362,8 +364,11 @@ public class DSpaceMultipartParser {
Hashtable headers = new Hashtable();
String hdrline = readln(in);
ParameterParser parser = new ParameterParser();
while (!"".equals(hdrline)) {
String name = StringUtils.substringBefore(hdrline, ": ").toLowerCase();
String name = StringUtils.substringBefore(hdrline, ": ").toLowerCase();
String value;
if(hdrline.contains(";")){
value = StringUtils.substringBetween(hdrline, ": ", "; ");
@@ -374,22 +379,13 @@ public class DSpaceMultipartParser {
headers.put(name, value);
hdrline = StringUtils.substringAfter(hdrline, ";");
// The extra tokenizer.hasMoreTokens() hdrline headers.put
// handles the filename="" case IE6 submits for an empty
// upload field.
while (0 < hdrline.length()) {
name = StringUtils.substringBetween(hdrline, " ", "=");
if(hdrline.contains("; ")){
value = StringUtils.substringBetween(hdrline, "=\"", "\";");
hdrline = StringUtils.substringAfter(hdrline, ";");
}else{
value = StringUtils.substringBetween(hdrline, "=\"", "\"");
hdrline = "";
}
headers.put(name, value);
}
if (StringUtils.isNotBlank(hdrline)) {
Map parsed = parser.parse(hdrline, ';');
if (parsed.containsKey("filename") && parsed.get("filename") == null) {
parsed.put("filename", ""); // apparently, IE6 sometimes submits filename=""
}
headers.putAll(parsed); // source out parsing of the rest of the header - it gets quite tricky with respecting quotes etc
}
hdrline = readln(in);
}