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-rw-r--r--src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
index 87f62706..356856dc 100644
--- a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
+++ b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
@@ -273,16 +273,18 @@ public class HttpDownloadConnection implements Transferable {
}
connection.setRequestProperty("User-Agent",mXmppConnectionService.getIqGenerator().getIdentityName());
final boolean tryResume = file.exists() && file.getKey() == null;
+ long resumeSize = 0;
if (tryResume) {
Log.d(Config.LOGTAG,"http download trying resume");
- long size = file.getSize();
- connection.setRequestProperty("Range", "bytes="+size+"-");
+ resumeSize = file.getSize();
+ connection.setRequestProperty("Range", "bytes="+resumeSize+"-");
}
connection.setConnectTimeout(Config.SOCKET_TIMEOUT * 1000);
connection.setReadTimeout(Config.SOCKET_TIMEOUT * 1000);
connection.connect();
is = new BufferedInputStream(connection.getInputStream());
- boolean serverResumed = "bytes".equals(connection.getHeaderField("Accept-Ranges"));
+ final String contentRange = connection.getHeaderField("Content-Range");
+ boolean serverResumed = tryResume && contentRange != null && contentRange.startsWith("bytes "+resumeSize+"-");
long transmitted = 0;
long expected = file.getExpectedSize();
if (tryResume && serverResumed) {
@@ -290,9 +292,14 @@ public class HttpDownloadConnection implements Transferable {
transmitted = file.getSize();
updateProgress((int) ((((double) transmitted) / expected) * 100));
os = AbstractConnectionManager.createAppendedOutputStream(file);
+ if (os == null) {
+ throw new FileWriterException();
+ }
} else {
file.getParentFile().mkdirs();
- file.createNewFile();
+ if (!file.exists() && !file.createNewFile()) {
+ throw new FileWriterException();
+ }
os = AbstractConnectionManager.createOutputStream(file, true);
}
int count;