@Override
public Session createSession(final String grouping, final String guid) {
final Session session =
new Session(grouping, UUID.randomUUID().toString().replace("-", "").toLowerCase(), guid);
session.setExpireTime(this.getExpireTime());
this.em.persist(session);
return session;
}
@Override
public Session getSession(final String grouping, final String sessionId) {
final Session session = this.em.find(Session.class, new PrimaryKey(grouping, sessionId));
if (session != null && !session.isExpired()) {
session.setExpireTime(this.getExpireTime());
return session;
}
return null;
}
@GET
@Path("download")
public Response downloadVideo(@Context final MessageContext cxt, @Context final UriInfo uri) {
// validate the session
final Session session = this.getSession(cxt, uri);
if (session == null || session.isExpired()) {
return this.unauthorized(cxt, uri).build();
}
// generate URL for the requested video
try {
// find the output to be returned
final AwsOutput output =
this.txService.inReadOnlyTransaction(
new Callable<AwsOutput>() {
@Override
public AwsOutput call() throws Exception {
// find the video
final Video video = getVideo(uri, session.getGuid());
if (video == null) {
return null;
}
// find the highest quality video available to download
return findOutput(video, getType(uri, Type.MP4));
}
});
if (output != null && output.isDownloadable()) {
final URL url = this.awsController.getSignedUrl(output.getFile());
if (url != null) {
return ResponseUtils.temporaryRedirect(url.toURI()).build();
}
}
} catch (final Exception e) {
LOG.debug("Error generating download url", e);
return Response.status(Status.NOT_FOUND).build();
}
return Response.status(Status.NOT_FOUND).build();
}
@GET
@Path("thumbnail")
public Response getThumbnail(@Context final MessageContext cxt, @Context final UriInfo uri) {
// validate the session
final Session session = this.getSession(cxt, uri);
if (session == null || session.isExpired()) {
return this.unauthorized(cxt, uri).build();
}
// get the video
final Video video = this.getVideo(uri, session.getGuid());
if (video != null) {
final URL thumbUrl = this.awsController.getSignedUrl(video.getThumbnail());
if (thumbUrl != null) {
try {
return ResponseUtils.temporaryRedirect(thumbUrl.toURI()).build();
} catch (final Exception ignored) {
}
}
}
return Response.status(Status.NOT_FOUND).build();
}
@GET
@Path("stream")
public Response getStream(@Context final MessageContext cxt, @Context final UriInfo uri) {
// validate the session
final Session session = this.getSession(cxt, uri);
if (session == null || session.isExpired()) {
return this.unauthorized(cxt, uri).build();
}
// ensure we have a video
final Video video = this.getVideo(uri, session.getGuid());
if (video == null) {
return Response.status(Status.NOT_FOUND).build();
}
// switch based on type requested
final Type type = this.getType(uri);
switch (type) {
case MP4:
case MP4_720P:
case MP4_480P_16_9:
final AwsOutput output = findOutput(video, type);
if (output != null) {
try {
final URL url = this.awsController.getSignedUrl(output.getFile());
return ResponseUtils.temporaryRedirect(url.toURI())
.header(HEADER_STREAM_URI, url)
.build();
} catch (final Exception ignored) {
}
}
break;
case HLS:
case HLS_2M:
case HLS_1M:
case HLS_400K:
try {
final Playlist playlist;
if (type == Type.HLS) {
this.getRequestUriBuilder(cxt, uri);
playlist = buildHlsMasterPlaylist(video, this.getRequestUriBuilder(cxt, uri));
} else {
playlist = buildHlsMediaPlaylist(video, type);
}
// return playlist if we have one
if (playlist != null) {
return Response.ok(playlist.toString())
.type("application/vnd.apple.mpegurl")
.header(HEADER_STREAM_URI, this.getRequestUri(cxt, uri))
.build();
}
} catch (final Exception ignored) {
}
break;
case UNKNOWN:
default:
return Response.status(Status.BAD_REQUEST).build();
}
return Response.status(Status.NOT_FOUND).build();
}