104 lines
2.8 KiB
Dart
104 lines
2.8 KiB
Dart
/// Support for using `angel_validate` with the Angel Framework.
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library angel_validate.server;
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import 'package:angel_framework/angel_framework.dart';
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import 'src/async.dart';
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import 'angel_validate.dart';
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export 'src/async.dart';
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export 'angel_validate.dart';
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/// Auto-parses numbers in `req.body`.
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RequestMiddleware autoParseBody(List<String> fields) {
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return (RequestContext req, res) async {
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(await req.lazyBody()).addAll(autoParse(req.body, fields));
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return true;
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};
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}
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/// Auto-parses numbers in `req.query`.
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RequestMiddleware autoParseQuery(List<String> fields) {
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return (RequestContext req, res) async {
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req.query.addAll(autoParse(req.query, fields));
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return true;
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};
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}
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/// Filters unwanted data out of `req.body`.
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RequestMiddleware filterBody(Iterable<String> only) {
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return (RequestContext req, res) async {
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var filtered = filter(await req.lazyBody(), only);
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req.body
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..clear()
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..addAll(filtered);
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return true;
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};
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}
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/// Filters unwanted data out of `req.query`.
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RequestMiddleware filterQuery(Iterable<String> only) {
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return (RequestContext req, res) async {
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var filtered = filter(req.query, only);
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req.query
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..clear()
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..addAll(filtered);
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return true;
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};
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}
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/// Validates the data in `req.body`, and sets the body to
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/// filtered data before continuing the response.
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RequestMiddleware validate(Validator validator,
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{String errorMessage: 'Invalid data.'}) {
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return (RequestContext req, res) async {
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var result = validator.check(await req.lazyBody());
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if (result.errors.isNotEmpty) {
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throw new AngelHttpException.badRequest(
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message: errorMessage, errors: result.errors);
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}
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req.body
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..clear()
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..addAll(result.data);
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return true;
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};
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}
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/// Validates the data in `req.query`, and sets the query to
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/// filtered data before continuing the response.
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RequestMiddleware validateQuery(Validator validator,
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{String errorMessage: 'Invalid data.'}) {
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return (RequestContext req, res) async {
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var result = validator.check(req.query);
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if (result.errors.isNotEmpty) {
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throw new AngelHttpException.badRequest(
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message: errorMessage, errors: result.errors);
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}
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req.query
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..clear()
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..addAll(result.data);
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return true;
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};
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}
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/// Validates the data in `e.data`, and sets the data to
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/// filtered data before continuing the service event.
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HookedServiceEventListener validateEvent(Validator validator,
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{String errorMessage: 'Invalid data.'}) {
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return (HookedServiceEvent e) {
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var result = validator.check(e.data as Map);
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if (result.errors.isNotEmpty) {
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throw new AngelHttpException.badRequest(
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message: errorMessage, errors: result.errors);
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}
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e.data
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..clear()
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..addAll(result.data);
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};
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}
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