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fix NPE when content is empty and fix character encoding issues

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Athou
2013-04-05 22:38:35 +02:00
parent 3db578a2d6
commit 648b4017d7
2 changed files with 18 additions and 13 deletions
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6
src/main/java/com/commafeed/backend/feeds/FeedFetcher.java
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@@ -27,10 +27,10 @@ public class FeedFetcher {
Feed feed = null;
try {
String content = getter.get(feedUrl);
String extractedUrl = extractFeedUrl(content);
byte[] content = getter.getBinary(feedUrl);
String extractedUrl = extractFeedUrl(new String(content, "UTF-8"));
if (extractedUrl != null) {
content = getter.get(extractedUrl);
content = getter.getBinary(extractedUrl);
feedUrl = extractedUrl;
}
feed = parser.parse(feedUrl, content);

25
src/main/java/com/commafeed/backend/feeds/FeedParser.java
View File

@@ -1,6 +1,6 @@
package com.commafeed.backend.feeds;
import java.io.StringReader;
import java.io.ByteArrayInputStream;
import java.util.Calendar;
import java.util.List;
@@ -8,6 +8,7 @@ import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.SystemUtils;
import org.jsoup.Jsoup;
import org.jsoup.safety.Whitelist;
import org.xml.sax.InputSource;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntry;
@@ -22,12 +23,13 @@ import com.sun.syndication.io.SyndFeedInput;
public class FeedParser {
@SuppressWarnings("unchecked")
public Feed parse(String feedUrl, String xml) throws FeedException {
public Feed parse(String feedUrl, byte[] xml) throws FeedException {
Feed feed = new Feed();
feed.setLastUpdated(Calendar.getInstance().getTime());
try {
SyndFeed rss = new SyndFeedInput().build(new StringReader(xml));
SyndFeed rss = new SyndFeedInput().build(new InputSource(
new ByteArrayInputStream(xml)));
feed.setUrl(feedUrl);
feed.setTitle(rss.getTitle());
feed.setLink(rss.getLink());
@@ -70,14 +72,17 @@ public class FeedParser {
}
private String handleContent(String content) {
Whitelist whitelist = Whitelist.relaxed();
whitelist.addEnforcedAttribute("a", "target", "_blank");
if (StringUtils.isNotBlank(content)) {
Whitelist whitelist = Whitelist.relaxed();
whitelist.addEnforcedAttribute("a", "target", "_blank");
// TODO evaluate potential security issues
whitelist.addTags("iframe");
whitelist.addAttributes("iframe", "src", "height", "width",
"allowfullscreen", "frameborder");
// TODO evaluate potential security issues
whitelist.addTags("iframe");
whitelist.addAttributes("iframe", "src", "height", "width",
"allowfullscreen", "frameborder");
return Jsoup.clean(content, whitelist);
content = Jsoup.clean(content, whitelist);
}
return content;
}
}