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Attempt to unify the disableRange/contentLength handling in the various network streams

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First of all, note how in both `fetch_stream.js` and `node_stream.js` we always overwrite the `this._contentLength` property even when the response headers doesn't actually contain any (valid) length information. This could thus result in the `length` parameter, as passed to the network stream, being completely ignored despite having no better information available.
Secondly, in `node_stream.js` the `this._isRangeSupported` property wasn't always updated correctly based on the response headers.
This commit is contained in:
Jonas Jenwald 2018-02-09 13:39:38 +01:00
parent 25293628ff
commit ad06979cca
4 changed files with 10 additions and 13 deletions
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6
src/display/node_stream.js
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@ -304,11 +304,9 @@ class PDFNodeStreamFullReader extends BaseFullReader {
disableRange: this._disableRange,
});
if (allowRangeRequests) {
this._isRangeSupported = true;
}
this._isRangeSupported = allowRangeRequests;
// Setting right content length.
this._contentLength = suggestedLength;
this._contentLength = suggestedLength || this._contentLength;
this._filename = extractFilenameFromHeader(getResponseHeader);
};