Close Open Privacy Scan

      req = transport.request(options, function handleResponse(res) {
        clearConnectPhaseTimer();

        if (req.destroyed) return;

        const streams = [res];

        const responseLength = utils.toFiniteNumber(res.headers['content-length']);

        if (onDownloadProgress || maxDownloadRate) {
          const transformStream = new AxiosTransformStream({
            maxRate: utils.toFiniteNumber(maxDownloadRate),
          });

          onDownloadProgress &&
            transformStream.on(
              'progress',
              flushOnFinish(
                transformStream,
                progressEventDecorator(
                  responseLength,
                  progressEventReducer(asyncDecorator(onDownloadProgress), true, 3)
                )
              )
            );

          streams.push(transformStream);
        }

        // decompress the response body transparently if required
        let responseStream = res;

        // return the last request in case of redirects
        const lastRequest = res.req || req;

        // if decompress disabled we should not decompress
        if (decompress !== false && res.headers['content-encoding']) {
          // if no content, but headers still say that it is encoded,
          // remove the header not confuse downstream operations
          if (method === 'HEAD' || res.statusCode === 204) {
            delete res.headers['content-encoding'];
          }

          switch ((res.headers['content-encoding'] || '').toLowerCase()) {
            /*eslint default-case:0*/
            case 'gzip':
            case 'x-gzip':
            case 'compress':
            case 'x-compress':
              // add the unzipper to the body stream processing pipeline
              streams.push(zlib.createUnzip(zlibOptions));

              // remove the content-encoding in order to not confuse downstream operations
              delete res.headers['content-encoding'];
              break;
            case 'deflate':
              streams.push(new ZlibHeaderTransformStream());

              // add the unzipper to the body stream processing pipeline
              streams.push(zlib.createUnzip(zlibOptions));

              // remove the content-encoding in order to not confuse downstream operations
              delete res.headers['content-encoding'];
              break;
            case 'br':
              if (isBrotliSupported) {
                streams.push(zlib.createBrotliDecompress(brotliOptions));
                delete res.headers['content-encoding'];
              }
              break;
            case 'zstd':
              if (isZstdSupported) {
                streams.push(zlib.createZstdDecompress(zstdOptions));
                delete res.headers['content-encoding'];
              }
              break;
          }
        }

        responseStream = streams.length > 1 ? stream.pipeline(streams, utils.noop) : streams[0];

        const response = {
          status: res.statusCode,
          statusText: res.statusMessage,
          headers: new AxiosHeaders(res.headers),
          config,
          request: lastRequest,
        };

        if (responseType === 'stream') {
          // Enforce maxContentLength on streamed responses; previously this
          // was applied only to buffered responses.
          if (maxContentLength > -1) {
            const limit = maxContentLength;
            const source = responseStream;
            async function* enforceMaxContentLength() {
              let totalResponseBytes = 0;
              for await (const chunk of source) {
                totalResponseBytes += chunk.length;
                if (totalResponseBytes > limit) {
                  throw new AxiosError(
                    'maxContentLength size of ' + limit + ' exceeded',
                    AxiosError.ERR_BAD_RESPONSE,
                    config,
                    lastRequest
                  );
                }
                yield chunk;
              }
            }
            responseStream = stream.Readable.from(enforceMaxContentLength(), {
              objectMode: false,
            });
          }
          response.data = responseStream;
          settle(resolve, reject, response);
        } else {
          const responseBuffer = [];
          let totalResponseBytes = 0;

          responseStream.on('data', function handleStreamData(chunk) {
            responseBuffer.push(chunk);
            totalResponseBytes += chunk.length;

            // make sure the content length is not over the maxContentLength if specified
            if (maxContentLength > -1 && totalResponseBytes > maxContentLength) {
              // stream.destroy() emit aborted event before calling reject() on Node.js v16
              rejected = true;
              responseStream.destroy();
              abort(
                new AxiosError(
                  'maxContentLength size of ' + maxContentLength + ' exceeded',
                  AxiosError.ERR_BAD_RESPONSE,
                  config,
                  lastRequest
                )
              );
            }
          });

          responseStream.on('aborted', function handlerStreamAborted() {
            if (rejected) {
              return;
            }

            const err = new AxiosError(
              'stream has been aborted',
              AxiosError.ERR_BAD_RESPONSE,
              config,
              lastRequest,
              response
            );
            responseStream.destroy(err);
            reject(err);
          });

          responseStream.on('error', function handleStreamError(err) {
            if (rejected) return;
            reject(AxiosError.from(err, null, config, lastRequest, response));
          });

          responseStream.on('end', function handleStreamEnd() {
            try {
              let responseData =
                responseBuffer.length === 1 ? responseBuffer[0] : Buffer.concat(responseBuffer);
              if (responseType !== 'arraybuffer') {
                responseData = responseData.toString(responseEncoding);
                if (!responseEncoding || responseEncoding === 'utf8') {
                  responseData = utils.stripBOM(responseData);
                }
              }
              response.data = responseData;
            } catch (err) {
              return reject(AxiosError.from(err, null, config, response.request, response));
            }
            settle(resolve, reject, response);
          });
        }

        abortEmitter.once('abort', (err) => {
          if (!responseStream.destroyed) {
            responseStream.emit('error', err);
            responseStream.destroy();
          }
        });
      });