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set returnValues.suggestedLength to Content-Length if integer

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This commit is contained in:
Kevin Lee Drum 2018-10-07 13:26:29 -04:00
parent ff2df9c5b6
commit 4cf10ac79d
2 changed files with 48 additions and 22 deletions
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26
src/display/network_utils.js
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@ -27,6 +27,20 @@ function validateRangeRequestCapabilities({ getResponseHeader, isHttp,
allowRangeRequests: false,
suggestedLength: undefined,
};
let length = parseInt(getResponseHeader('Content-Length'), 10);
if (!Number.isInteger(length)) {
return returnValues;
}
returnValues.suggestedLength = length;
if (length <= 2 * rangeChunkSize) {
// The file size is smaller than the size of two chunks, so it does not
// make any sense to abort the request and retry with a range request.
return returnValues;
}
if (disableRange || !isHttp) {
return returnValues;
}
@ -39,18 +53,6 @@ function validateRangeRequestCapabilities({ getResponseHeader, isHttp,
return returnValues;
}
let length = parseInt(getResponseHeader('Content-Length'), 10);
if (!Number.isInteger(length)) {
return returnValues;
}
returnValues.suggestedLength = length;
if (length <= 2 * rangeChunkSize) {
// The file size is smaller than the size of two chunks, so it does not
// make any sense to abort the request and retry with a range request.
return returnValues;
}
returnValues.allowRangeRequests = true;
return returnValues;
}