From e261514c5ba18a028ced8cf68c04c4f485409902 Mon Sep 17 00:00:00 2001
From: ByteHamster <ByteHamster@users.noreply.github.com>
Date: Sun, 29 Jan 2023 12:12:08 +0100
Subject: Update feed url when server returns itunes:new-feed-url (#6291)

---
 .../src/main/java/de/danoeh/antennapod/parser/feed/FeedHandler.java   | 2 +-
 .../main/java/de/danoeh/antennapod/parser/feed/FeedHandlerResult.java | 4 +++-
 .../src/main/java/de/danoeh/antennapod/parser/feed/HandlerState.java  | 1 +
 .../main/java/de/danoeh/antennapod/parser/feed/namespace/Itunes.java  | 3 +++
 4 files changed, 8 insertions(+), 2 deletions(-)

(limited to 'parser/feed')

diff --git a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandler.java b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandler.java
index 6b364fa73..dd9cb836b 100644
--- a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandler.java
+++ b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandler.java
@@ -31,6 +31,6 @@ public class FeedHandler {
 
         saxParser.parse(inputSource, handler);
         inputStreamReader.close();
-        return new FeedHandlerResult(handler.state.feed, handler.state.alternateUrls);
+        return new FeedHandlerResult(handler.state.feed, handler.state.alternateUrls, handler.state.redirectUrl);
     }
 }
diff --git a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandlerResult.java b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandlerResult.java
index 43b3387a0..6db3ca47f 100644
--- a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandlerResult.java
+++ b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/FeedHandlerResult.java
@@ -11,9 +11,11 @@ public class FeedHandlerResult {
 
     public final Feed feed;
     public final Map<String, String> alternateFeedUrls;
+    public final String redirectUrl;
 
-    public FeedHandlerResult(Feed feed, Map<String, String> alternateFeedUrls) {
+    public FeedHandlerResult(Feed feed, Map<String, String> alternateFeedUrls, String redirectUrl) {
         this.feed = feed;
         this.alternateFeedUrls = alternateFeedUrls;
+        this.redirectUrl = redirectUrl;
     }
 }
diff --git a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/HandlerState.java b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/HandlerState.java
index 706a328e8..650931fc1 100644
--- a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/HandlerState.java
+++ b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/HandlerState.java
@@ -26,6 +26,7 @@ public class HandlerState {
      * URL of the feed, the value is the title
      */
     public final Map<String, String> alternateUrls;
+    public String redirectUrl = null;
     private final ArrayList<FeedItem> items;
     private FeedItem currentItem;
     private FeedFunding currentFunding;
diff --git a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/namespace/Itunes.java b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/namespace/Itunes.java
index 9c57d4ef3..cb4bcb8a7 100644
--- a/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/namespace/Itunes.java
+++ b/parser/feed/src/main/java/de/danoeh/antennapod/parser/feed/namespace/Itunes.java
@@ -23,6 +23,7 @@ public class Itunes extends Namespace {
     public static final String DURATION = "duration";
     private static final String SUBTITLE = "subtitle";
     private static final String SUMMARY = "summary";
+    private static final String NEW_FEED_URL = "new-feed-url";
 
     @Override
     public SyndElement handleElementStart(String localName, HandlerState state,
@@ -76,6 +77,8 @@ public class Itunes extends Namespace {
             } else if (Rss20.CHANNEL.equals(state.getSecondTag().getName()) && state.getFeed() != null) {
                 state.getFeed().setDescription(content);
             }
+        } else if (NEW_FEED_URL.equals(localName) && content.trim().startsWith("http")) {
+            state.redirectUrl = content.trim();
         }
     }
 }
-- 
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