Handle empty image proxy responses

1 files changed, 14 insertions, 0 deletions

diff --git a/src/Routes/ImageProxy.c b/src/Routes/ImageProxy.c
index eb9c7d5..2d6d3a9 100644
--- a/src/Routes/ImageProxy.c
+++ b/src/Routes/ImageProxy.c
@@ -301,6 +301,13 @@ int image_proxy_handler(UrlParams *params) {
   int cache_ttl = get_cache_ttl_image();
 
   if (cache_get(cache_key, cache_ttl, &cached_data, &cached_size) == 0) {
+    if (!cached_data || cached_size == 0) {
+      free(cached_data);
+      free(cache_key);
+      send_response("Empty cached image response");
+      return 0;
+    }
+
     char content_type[64] = {0};
 
     const char *ext = strrchr(url, '.');
@@ -406,6 +413,13 @@ int image_proxy_handler(UrlParams *params) {
     return 0;
   }
 
+  if (buf.size == 0) {
+    free(buf.data);
+    free(cache_key);
+    send_response("Empty image response");
+    return 0;
+  }
+
   if (strlen(content_type) == 0 ||
       strncmp(content_type, "image/", 6) != 0) {
     free(buf.data);