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Temporary fix for kiwix-js issue 628

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Former-commit-id: 47d106164d425f607e2431f6e8197d7c934ddc32 [formerly 2406b1c4f62d50ee8bc341d92126d310d4366d21]
Former-commit-id: d0cc52d2c9e8d7fe88185ca3da0317b94074f969
This commit is contained in:
Jaifroid 2020-06-28 07:19:33 +01:00
parent 547f00c385
commit 4b631e3491
1 changed files with 5 additions and 4 deletions
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9
www/js/lib/zimfile.js
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@ -216,12 +216,12 @@ define(['xzdec_wrapper', 'util', 'utf8', 'q', 'zimDirEntry'], function(xz, util,
* @param {File} file The ZIM file (or first file in array of files) from which the MIME type list
* is to be extracted
* @param {Integer} mimeListPos The offset in <file> at which the MIME type list is found
* @param {Integer} urlPtrPos The offset of the byte after the end of the MIME type list in <file>
* @param {Integer} endReadPos The offset of the end of the slice to read
* @returns {Promise} A promise for the MIME Type list as a Map
*/
function readMimetypeMap(file, mimeListPos, urlPtrPos) {
function readMimetypeMap(file, mimeListPos, endReadPos) {
var typeMap = new Map;
var size = urlPtrPos - mimeListPos;
var size = endReadPos - mimeListPos;
return util.readFileSlice(file, mimeListPos, size).then(function(data) {
if (data.subarray) {
var i = 0;
@ -264,7 +264,8 @@ define(['xzdec_wrapper', 'util', 'utf8', 'q', 'zimDirEntry'], function(xz, util,
return util.readFileSlice(fileArray[0], 0, 80).then(function(header) {
var mimeListPos = readInt(header, 56, 8);
var urlPtrPos = readInt(header, 32, 8);
return readMimetypeMap(fileArray[0], mimeListPos, urlPtrPos).then(function(data) {
var endReadPos = urlPtrPos >= 1104 ? 1104 : urlPtrPos;
return readMimetypeMap(fileArray[0], mimeListPos, endReadPos).then(function(data) {
var zf = new ZIMFile(fileArray);
zf.articleCount = readInt(header, 24, 4);
zf.clusterCount = readInt(header, 28, 4);