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#234 Implemented possibility to allow doctype declarations using fetcher

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This commit is contained in:
Patrick Gotthard 2016-03-01 20:04:53 +01:00
parent 10d6b126a3
commit f9dedf8200
4 changed files with 23 additions and 5 deletions
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11
rome-fetcher/src/main/java/com/rometools/fetcher/FeedFetcher.java
View file

@ -117,4 +117,15 @@ public interface FeedFetcher {
* corresponding wireEntry property set.
*/
void setPreserveWireFeed(boolean preserveWireFeed);
/**
* In ROME 1.5.1 we fixed a security vulnerability by disallowing Doctype declarations by default.
* This change breaks the compatibility with at least RSS 0.91N because it requires a Doctype declaration.
* You are able to allow Doctype declarations again with this property. You should only activate it
* when the feeds that you process are absolutely trustful.
*
* @param allowDoctypes true when Doctype declarations should be allowed again, false otherwise
*/
void setAllowDoctypes(boolean allowDoctypes);
}

10
rome-fetcher/src/main/java/com/rometools/fetcher/impl/AbstractFeedFetcher.java
View file

@ -42,6 +42,7 @@ public abstract class AbstractFeedFetcher implements FeedFetcher {
private String userAgent;
private boolean usingDeltaEncoding;
private boolean preserveWireFeed;
private boolean allowDoctypes = false;
public AbstractFeedFetcher() {
@ -222,4 +223,13 @@ public abstract class AbstractFeedFetcher implements FeedFetcher {
this.preserveWireFeed = preserveWireFeed;
}
public boolean isAllowDoctypes() {
return allowDoctypes;
}
@Override
public void setAllowDoctypes(boolean allowDoctypes) {
this.allowDoctypes = allowDoctypes;
}
}

1
rome-fetcher/src/main/java/com/rometools/fetcher/impl/HttpClientFeedFetcher.java
View file

@ -275,6 +275,7 @@ public class HttpClientFeedFetcher extends AbstractFeedFetcher {
final SyndFeedInput syndFeedInput = new SyndFeedInput();
syndFeedInput.setPreserveWireFeed(isPreserveWireFeed());
syndFeedInput.setAllowDoctypes(isAllowDoctypes());
return syndFeedInput.build(reader);

6
rome-fetcher/src/main/java/com/rometools/fetcher/impl/HttpURLFeedFetcher.java
View file

@ -280,11 +280,6 @@ public class HttpURLFeedFetcher extends AbstractFeedFetcher {
is = new BufferedInputStream(inputStream);
}
// InputStreamReader reader = new InputStreamReader(is,
// ResponseHandler.getCharacterEncoding(connection));
// SyndFeedInput input = new SyndFeedInput();
final XmlReader reader;
if (connection.getHeaderField("Content-Type") != null) {
reader = new XmlReader(is, connection.getHeaderField("Content-Type"), true);
@ -294,6 +289,7 @@ public class HttpURLFeedFetcher extends AbstractFeedFetcher {
final SyndFeedInput syndFeedInput = new SyndFeedInput();
syndFeedInput.setPreserveWireFeed(isPreserveWireFeed());
syndFeedInput.setAllowDoctypes(isAllowDoctypes());
return syndFeedInput.build(reader);