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* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import FactoryMaker from '../../core/FactoryMaker.js';
import Utils from '../../core/Utils.js';
import DashConstants from '../../dash/constants/DashConstants.js';
import Constants from '../constants/Constants.js';
import {HTTPRequest} from '../vo/metrics/HTTPRequest.js';
import Debug from '../../core/Debug.js';
function ExtUrlQueryInfoController() {
let instance,
logger,
mpdQueryStringInformation;
const context = this.context;
function setup() {
logger = Debug(context).getInstance().getLogger(instance);
}
function _generateQueryParams(resultObject, manifestObject, mpdUrlQuery, parentLevelInfo, mpdElement) {
const property = _getDescriptorTypeFromManifestObject(manifestObject, mpdElement);
_generateInitialQueryString(property, parentLevelInfo.initialQueryString, resultObject, mpdUrlQuery);
_generateFinalQueryString(property, resultObject, parentLevelInfo.finalQueryString);
resultObject.sameOriginOnly = property?.ExtUrlQueryInfo?.sameOriginOnly;
resultObject.queryParams = Utils.parseQueryParams(resultObject?.finalQueryString);
resultObject.includeInRequests = _getIncludeInRequestFromProperty(property, parentLevelInfo.includeInRequests);
}
function _getDescriptorTypeFromManifestObject(manifestObject, mpdElement) {
let properties = [];
if (mpdElement === DashConstants.PERIOD) {
properties = manifestObject[DashConstants.SUPPLEMENTAL_PROPERTY] || [];
} else {
properties = [
...(manifestObject[DashConstants.ESSENTIAL_PROPERTY] || []),
...(manifestObject[DashConstants.SUPPLEMENTAL_PROPERTY] || [])
];
}
return properties.find((prop) => (
(prop.schemeIdUri === Constants.URL_QUERY_INFO_SCHEME && prop.UrlQueryInfo) ||
(prop.schemeIdUri === Constants.EXT_URL_QUERY_INFO_SCHEME && prop.ExtUrlQueryInfo)
));
}
function _generateInitialQueryString(property, defaultInitialString, dst, mpdUrlQuery) {
dst.initialQueryString = '';
let initialQueryString = '';
const queryInfo = property?.ExtUrlQueryInfo || property?.UrlQueryInfo;
if (queryInfo && queryInfo.queryString) {
Iif (defaultInitialString && defaultInitialString.length > 0) {
initialQueryString = defaultInitialString + '&' + queryInfo.queryString;
} else {
initialQueryString = queryInfo.queryString;
}
} else {
initialQueryString = defaultInitialString;
}
if (queryInfo?.useMPDUrlQuery === 'true' && mpdUrlQuery) {
initialQueryString = initialQueryString ? initialQueryString + '&' + mpdUrlQuery : mpdUrlQuery;
}
dst.initialQueryString = initialQueryString;
}
// The logic for supporting templates with queryTemplate=$query:<param>$ is not in place yet, this only support queryTemplate="$querypart$".
function _generateFinalQueryString(property, resultObject, parentQueryString) {
if (!property) {
resultObject.finalQueryString = parentQueryString;
return;
}
const queryTemplate = property?.ExtUrlQueryInfo?.queryTemplate || property?.UrlQueryInfo?.queryTemplate || '';
resultObject.finalQueryString = queryTemplate === DashConstants.QUERY_PART ? resultObject?.initialQueryString : '';
}
function _getIncludeInRequestFromProperty(property, parentIncludeInRequests) {
if (!property) {
return parentIncludeInRequests;
}
if (property.ExtUrlQueryInfo?.includeInRequests) {
return property.ExtUrlQueryInfo.includeInRequests.split(' ');
} else {
return [DashConstants.SEGMENT_TYPE];
}
}
function createFinalQueryStrings(manifest) {
mpdQueryStringInformation = {
origin: new URL(manifest.url).origin,
period: []
};
const mpdUrlQuery = manifest.url.split('?')[1];
const initialMpdObject = { initialQueryString: '', includeInRequests: [] };
_generateQueryParams(mpdQueryStringInformation, manifest, mpdUrlQuery, initialMpdObject, DashConstants.MPD);
manifest.Period.forEach((period) => {
const periodObject = {
adaptation: []
};
_generateQueryParams(periodObject, period, mpdUrlQuery, mpdQueryStringInformation, DashConstants.PERIOD);
period.AdaptationSet.forEach((adaptationSet) => {
const adaptationObject = {
representation: []
};
_generateQueryParams(adaptationObject, adaptationSet, mpdUrlQuery, periodObject, DashConstants.ADAPTATION_SET);
adaptationSet.Representation.forEach((representation) => {
const representationObject = {};
_generateQueryParams(representationObject, representation, mpdUrlQuery, adaptationObject, DashConstants.REPRESENTATION);
adaptationObject.representation.push(representationObject);
});
periodObject.adaptation.push(adaptationObject);
});
mpdQueryStringInformation.period.push(periodObject);
});
}
function getFinalQueryString(request) {
try {
if (!mpdQueryStringInformation) {
return null;
}
if (request.type === HTTPRequest.MEDIA_SEGMENT_TYPE || request.type === HTTPRequest.INIT_SEGMENT_TYPE) {
const representation = request.representation;
Iif (!representation) {
return null;
}
const adaptation = representation.adaptation;
const period = adaptation.period;
const queryInfo = mpdQueryStringInformation
.period[period.index]
.adaptation[adaptation.index]
.representation[representation.index];
const requestUrl = new URL(request.url);
const canSendToOrigin = !queryInfo.sameOriginOnly || mpdQueryStringInformation.origin === requestUrl.origin;
const inRequest = queryInfo.includeInRequests.includes(DashConstants.SEGMENT_TYPE);
if (inRequest && canSendToOrigin) {
return queryInfo.queryParams;
}
} else if (request.type === HTTPRequest.MPD_TYPE) {
const inRequest = [DashConstants.MPD_TYPE, DashConstants.MPD_PATCH_TYPE].some(r => mpdQueryStringInformation.includeInRequests.includes(r));
if (inRequest) {
return mpdQueryStringInformation.queryParams;
}
} else Eif (request.type === HTTPRequest.CONTENT_STEERING_TYPE) {
const inRequest = mpdQueryStringInformation.includeInRequests.includes(DashConstants.STEERING_TYPE);
if (inRequest) {
return mpdQueryStringInformation.queryParams;
}
}
} catch (e) {
logger.error(e);
return null
}
}
setup();
instance = {
getFinalQueryString,
createFinalQueryStrings
};
return instance;
}
ExtUrlQueryInfoController.__dashjs_factory_name = 'ExtUrlQueryInfoController';
export default FactoryMaker.getSingletonFactory(ExtUrlQueryInfoController);
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