fix: determine File.contentType from File.value

FraunhoferIOSB · Dec 12, 2023 · 75b27ba · 75b27ba
1 parent efc8bcb
commit 75b27ba
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Showing 2 changed files with 15 additions and 5 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/projects/aas-server/src/app/packages/json-reader.ts b/projects/aas-server/src/app/packages/json-reader.ts
@@ -8,7 +8,7 @@
 
 import { Logger } from '../logging/logger.js';
 import { AASReader } from './aas-reader.js';
-import { aas, determineType, isIdentifiable } from 'common';
+import { aas, determineType, extensionToMimeType, isIdentifiable } from 'common';
 import { cloneDeep } from 'lodash-es';
 import { encodeBase64Url } from '../convert.js';
 
@@ -388,8 +388,18 @@ export class JsonReader extends AASReader {
     }
 
     private readFile(source: aas.File, ancestors?: aas.Referable[]): aas.File {
-        if (!source.contentType) {
-            throw new Error('File.contentType');
+        if (!source.contentType && source.value) {
+            let contentType: string | undefined;
+            const i = source.value.lastIndexOf('.');
+            if (i >= 0) {
+                contentType = extensionToMimeType(source.value.substring(i));
+            }
+
+            if (!contentType) {
+                throw new Error('File.contentType');
+            }
+
+            source.contentType = contentType;
         }
 
         const file: aas.File = {