diff --git a/src/backend/http/server.ts b/src/backend/http/server.ts
index a7b5ed0..6f43397 100644
--- a/src/backend/http/server.ts
+++ b/src/backend/http/server.ts
@@ -174,6 +174,14 @@ export const createServer = (backendState: BackendState, serverParams = {} as Cr
 		decorateRequestWithBackend(backendState),
 	];
 
+	const isTextMediaType = (mediaType: string) => (
+		mediaType.startsWith('text/')
+		|| [
+			'application/json',
+			'application/xml'
+		].includes(mediaType)
+	);
+
 	const processRequest = (middlewares: [string, Middleware, v.BaseSchema?][]) => async (req: RequestContext) => {
 		if (req.url === '/' || req.url === '') {
 			return handleGetRoot(req);
@@ -220,10 +228,19 @@ export const createServer = (backendState: BackendState, serverParams = {} as Cr
 
 					if (schema) {
 						const contentTypeHeader = req.headers['content-type'] ?? 'application/octet-stream';
-						const fragments = contentTypeHeader.split(';');
+						const fragments = contentTypeHeader.replace(/\s+/g, ' ').split(';');
 						const mediaType = fragments[0];
-						const charsetParam = fragments.map((s) => s.trim())
-							.find((f) => f.startsWith('charset=')) ?? (mediaType.startsWith('text/') ? 'charset=utf-8' : 'charset=binary');
+						const charsetParam = (
+							fragments
+								.map((s) => s.trim())
+								.find((f) => f.startsWith('charset='))
+
+							?? (
+								isTextMediaType(mediaType)
+									? 'charset=utf-8'
+									: 'charset=binary'
+							)
+						);
 						const [_charsetKey, charsetRaw] = charsetParam.split('=').map((s) => s.trim());
 						const charset = (
 							(
diff --git a/src/common/data-source.ts b/src/common/data-source.ts
deleted file mode 100644
index 58a5c46..0000000
--- a/src/common/data-source.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export interface BaseDataSource {}
-
-export interface GenerationStrategy<D extends BaseDataSource = BaseDataSource> {
-	(dataSource: D, ...args: unknown[]): Promise<string | number | unknown>;
-}