fix themezer

sphaira/include/download.hpp

@@ -87,6 +87,9 @@ auto ToFile(const Api& e) -> ApiResult;
 auto ToMemoryAsync(const Api& e) -> bool;
 auto ToFileAsync(const Api& e) -> bool;
 
+// uses curl to convert string to their %XX
+auto EscapeString(const std::string& str) -> std::string;
+
 struct Api {
     Api() = default;
 

sphaira/source/download.cpp

@@ -757,4 +757,14 @@ auto ToFileAsync(const Api& e) -> bool {
     return g_thread_queue.Add(e);
 }
 
+auto EscapeString(const std::string& str) -> std::string {
+    std::string result;
+    const auto s = curl_escape(str.data(), str.length());
+    if (s) {
+        result = s;
+        curl_free(s);
+    }
+    return result;
+}
+
 } // namespace sphaira::curl

sphaira/source/ui/menus/themezer.cpp

@@ -92,7 +92,9 @@ auto apiBuildUrlListInternal(const Config& e, bool is_pack) -> std::string {
         json += ",\"query\":\"" + e.query + "\"";
     }
 
-    return api+"("+p0+"){"+cmd+"("+p1+")"+fields+"}}&variables={"+json+"}";
+    json = curl::EscapeString('{'+json+'}');
+
+    return api+"("+p0+"){"+cmd+"("+p1+")"+fields+"}}&variables="+json;
 }
 
 auto apiBuildUrlDownloadInternal(const std::string& id, bool is_pack) -> std::string {