fix(core/protocols): conditionally append xml declaration (#7551)

kuhe · web-flow · commit f9245def4469 · 2025-12-05T13:40:28.000-05:00
diff --git a/packages/core/src/submodules/protocols/xml/AwsRestXmlProtocol.ts b/packages/core/src/submodules/protocols/xml/AwsRestXmlProtocol.ts
@@ -72,7 +72,9 @@ export class AwsRestXmlProtocol extends HttpBindingProtocol {
 
     if (request.headers["content-type"] === this.getDefaultContentType()) {
       if (typeof request.body === "string") {
-        request.body = '<?xml version="1.0" encoding="UTF-8"?>' + request.body;
+        if (!request.body.startsWith("<?xml ")) {
+          request.body = '<?xml version="1.0" encoding="UTF-8"?>' + request.body;
+        }
       }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,9 @@ export class AwsRestXmlProtocol extends HttpBindingProtocol {`
`72`	`72`
`73`	`73`	`if (request.headers["content-type"] === this.getDefaultContentType()) {`
`74`	`74`	`if (typeof request.body === "string") {`
`75`		`- request.body = '<?xml version="1.0" encoding="UTF-8"?>' + request.body;`
	`75`	`+ if (!request.body.startsWith("<?xml ")) {`
	`76`	`+ request.body = '<?xml version="1.0" encoding="UTF-8"?>' + request.body;`
	`77`	`+ }`
`76`	`78`	`}`
`77`	`79`	`}`
`78`	`80`