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fix: Fix problem with piping streams for PATCH requests

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This commit is contained in:
Joachim Van Herwegen 2021-02-04 10:49:40 +01:00
parent 73acb9cd52
commit 6c4378a2de
1 changed files with 3 additions and 7 deletions
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10
src/ldp/http/SparqlUpdateBodyParser.ts
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@ -1,4 +1,3 @@
import { PassThrough } from 'stream';
import type { Algebra } from 'sparqlalgebrajs';
import { translate } from 'sparqlalgebrajs';
import { getLoggerFor } from '../../logging/LogUtil';
@ -6,7 +5,7 @@ import { APPLICATION_SPARQL_UPDATE } from '../../util/ContentTypes';
import { BadRequestHttpError } from '../../util/errors/BadRequestHttpError';
import { isNativeError } from '../../util/errors/ErrorUtil';
import { UnsupportedMediaTypeHttpError } from '../../util/errors/UnsupportedMediaTypeHttpError';
import { pipeSafely, readableToString } from '../../util/StreamUtil';
import { guardedStreamFrom, readableToString } from '../../util/StreamUtil';
import type { BodyParserArgs } from './BodyParser';
import { BodyParser } from './BodyParser';
import type { SparqlUpdatePatch } from './SparqlUpdatePatch';
@ -25,12 +24,9 @@ export class SparqlUpdateBodyParser extends BodyParser {
}
public async handle({ request, metadata }: BodyParserArgs): Promise<SparqlUpdatePatch> {
const options = { objectMode: request.readableObjectMode };
const toAlgebraStream = pipeSafely(request, new PassThrough(options));
const dataCopy = pipeSafely(request, new PassThrough(options));
const sparql = await readableToString(request);
let algebra: Algebra.Operation;
try {
const sparql = await readableToString(toAlgebraStream);
algebra = translate(sparql, { quads: true, baseIRI: metadata.identifier.value });
} catch (error: unknown) {
this.logger.warn('Could not translate SPARQL query to SPARQL algebra', { error });
@ -44,7 +40,7 @@ export class SparqlUpdateBodyParser extends BodyParser {
return {
algebra,
binary: true,
data: dataCopy,
data: guardedStreamFrom(sparql),
metadata,
};
}