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Fix RedGIFs downloads failing with 401 due to expired auth token #2170

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Fix RedGIFs downloads failing with 401 due to expired auth token #2170

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62 changes: 43 additions & 19 deletions src/main/java/com/rarchives/ripme/ripper/rippers/RedgifsRipper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ public JSONObject getFirstPage() throws IOException {

@Override
public void downloadURL(URL url, int index) {
// redgifs is easy to trigger rate limit, so be a little cautious
// redgifs is easy to trigger rate limit, so be a little cautious
sleep(3000);
addURLToDownload(url, getPrefix(index));
}
Expand Down Expand Up @@ -276,34 +276,45 @@ private static List<String> getURLsForGallery(String galleryID, String gifID) {
*/
public static String getVideoURL(URL url) throws IOException, URISyntaxException {
logger.info("Retrieving " + url.toExternalForm());

var m = SINGLETON_PATTERN.matcher(url.toExternalForm());
if (!m.matches()) {
throw new IOException(String.format("Cannot fetch redgif url %s", url.toExternalForm()));
}

var gid = m.group(1).split("-")[0];
var gifDetailsURL = String.format(GIFS_DETAIL_ENDPOINT, gid);

if (authToken == null || authToken.isBlank()) {
fetchAuthToken();
}
var gid = m.group(1).split("-")[0];
var gifDetailsURL = String.format(GIFS_DETAIL_ENDPOINT, gid);
var json = Http.url(gifDetailsURL).header("Authorization", "Bearer " + authToken).getJSON();

try {
return fetchGifUrl(gifDetailsURL, url);
} catch (org.jsoup.HttpStatusException e) {
if (e.getStatusCode() == 401) {
logger.warn("RedGIFs token expired, refreshing token and retrying...");
fetchAuthToken();
return fetchGifUrl(gifDetailsURL, url);
}
throw e;
}
}

private static String fetchGifUrl(String gifDetailsURL, URL originalUrl)
throws IOException, URISyntaxException {

var json = Http.url(gifDetailsURL)
.header("Authorization", "Bearer " + authToken)
.getJSON();

var gif = json.getJSONObject("gif");

if (!gif.isNull("gallery")) {
// TODO check how to handle a image gallery
throw new IOException(String.format("Multiple images found for url %s", url));
throw new IOException(String.format("Multiple images found for url %s", originalUrl));
}
return gif.getJSONObject("urls").getString("hd");
}

/**
* Fetch a temorary auth token for the rip
*
* @throws IOException
*/
private static void fetchAuthToken() throws IOException {
var json = Http.url(TEMPORARY_AUTH_ENDPOINT).getJSON();
var token = json.getString("token");
authToken = token;
logger.info("Incase of redgif 401 errors, please restart the app to refresh the auth token");
return gif.getJSONObject("urls").getString("hd");
}

/**
Expand All @@ -318,6 +329,19 @@ private static void fetchAuthToken() throws IOException {
*
* @return Search or tags endpoint url
*/
/**
* Fetch a temporary authentication token from RedGIFs API
*/
private static void fetchAuthToken() throws IOException {
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@metaprime metaprime Apr 9, 2026

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Please move this method back to where it was to minimize the diff in this PR. As a practical issue, moving this method to this location also split the doc comment for getSearchOrTagsURL() away from the getSearchOrTagsURL method implementation.

try {
var json = Http.url(TEMPORARY_AUTH_ENDPOINT).getJSON();
authToken = json.getString("token");
} catch (IOException e) {
logger.error("Failed to fetch RedGIFs authentication token", e);
throw e;
}
}

private URL getSearchOrTagsURL() throws IOException, URISyntaxException {
URIBuilder uri;
Map<String, String> endpointQueryParams = new HashMap<>();
Expand Down Expand Up @@ -390,4 +414,4 @@ private URL getSearchOrTagsURL() throws IOException, URISyntaxException {

return uri.build().toURL();
}
}
}