Merge branch '925-image-search-not-working' into 'development'

Resolve "Image Search not working"

Closes #925

See merge request !1495

app/Console/Commands/RequestFetcher.php

@@ -164,7 +164,7 @@ class RequestFetcher extends Command
             curl_setopt($ch, CURLOPT_USERPWD, $job["username"] . ":" . $job["password"]);
         }
 
-        if (!empty($job["headers"])) {
+        if (!empty($job["headers"]) && sizeof($job["headers"]) > 0) {
             $headers = [];
             foreach ($job["headers"] as $key => $value) {
                 $headers[] = $key . ":" . $value;

app/Models/Searchengine.php

@@ -58,11 +58,14 @@ abstract class Searchengine
             $this->password = $this->engine->{"http-auth-credentials"}->password;
         }
 
-        if ($this->engine->{"request-header"}) {
+        if (!empty($this->engine->{"request-header"})) {
             $this->headers = [];
-            foreach ($this->headers as $key => $value) {
+            foreach ($this->engine->{"request-header"} as $key => $value) {
                 $this->headers[$key] = $value;
             }
+            if (sizeof($this->headers) == 0) {
+                $this->headers = null;
+            }
         }
 
         # Suchstring generieren