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Added redirect on status code 301/302 #322

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Added redirect on status code 301/302 #322

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5a62b07
fixed: on status code 301 or 302 redirect
Artur-Touchwonders Jul 6, 2022
8c2093e
added comment and removed null check
Artur-Touchwonders Jul 6, 2022
f52101a
Merge pull request #1 from Touchwonders/fix/redirect-on-302-status-code
Jul 6, 2022
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10 changes: 9 additions & 1 deletion links/gql_http_link/lib/src/link.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ class HttpLinkResponseContext extends ContextEntry {
/// [http.Client] to the constructor.
class HttpLink extends Link {
/// Endpoint of the GraphQL service
final Uri uri;
Uri uri;

/// Default HTTP headers
final Map<String, String> defaultHeaders;
Expand Down Expand Up @@ -167,6 +167,12 @@ class HttpLink extends Link {
final httpRequest = _prepareRequest(request);
try {
final response = await _httpClient!.send(httpRequest);
if (response.statusCode == 301 || response.statusCode == 302) {
// `location` header will never be null on statusCode 301 or 302.
// More info. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/302
uri = Uri.parse(response.headers["location"]!);
return _executeRequest(request);
}
return http.Response.fromStream(response);
} catch (e) {
throw ServerException(
Expand Down Expand Up @@ -220,10 +226,12 @@ class HttpLink extends Link {
return http.MultipartRequest("POST", uri)
..body = httpBody
..addAllFiles(fileMap)
..followRedirects = true
..headers.addAll(headers);
}
return http.Request("POST", uri)
..body = httpBody
..followRedirects = true
..headers.addAll(headers);
}

Expand Down