459 lines
15 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Injectable } from '@angular/core';
import { CoreLogger } from '@providers/logger';
import { CoreSites, CoreSiteSchema } from '@providers/sites';
import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
import { CoreWSExternalWarning, CoreWSExternalFile } from '@providers/ws';
import { CoreTextUtils } from '@providers/utils/text';
import { CoreUrlUtils } from '@providers/utils/url';
import { CoreH5PCore } from '../classes/core';
import { CoreH5PFramework } from '../classes/framework';
import { CoreH5PPlayer } from '../classes/player';
import { CoreH5PStorage } from '../classes/storage';
import { CoreH5PValidator } from '../classes/validator';
import { makeSingleton } from '@singletons/core.singletons';
/**
* Service to provide H5P functionalities.
*/
@Injectable()
export class CoreH5PProvider {
// DB table names.
static CONTENT_TABLE = 'h5p_content'; // H5P content.
static LIBRARIES_TABLE = 'h5p_libraries'; // Installed libraries.
static LIBRARY_DEPENDENCIES_TABLE = 'h5p_library_dependencies'; // Library dependencies.
static CONTENTS_LIBRARIES_TABLE = 'h5p_contents_libraries'; // Which library is used in which content.
static LIBRARIES_CACHEDASSETS_TABLE = 'h5p_libraries_cachedassets'; // H5P cached library assets.
h5pCore: CoreH5PCore;
h5pFramework: CoreH5PFramework;
h5pPlayer: CoreH5PPlayer;
h5pStorage: CoreH5PStorage;
h5pValidator: CoreH5PValidator;
protected siteSchema: CoreSiteSchema = {
name: 'CoreH5PProvider',
version: 1,
canBeCleared: [
CoreH5PProvider.CONTENT_TABLE,
CoreH5PProvider.LIBRARIES_TABLE,
CoreH5PProvider.LIBRARY_DEPENDENCIES_TABLE,
CoreH5PProvider.CONTENTS_LIBRARIES_TABLE,
CoreH5PProvider.LIBRARIES_CACHEDASSETS_TABLE,
],
tables: [
{
name: CoreH5PProvider.CONTENT_TABLE,
columns: [
{
name: 'id',
type: 'INTEGER',
primaryKey: true,
autoIncrement: true
},
{
name: 'jsoncontent',
type: 'TEXT',
notNull: true
},
{
name: 'mainlibraryid',
type: 'INTEGER',
notNull: true
},
{
name: 'foldername',
type: 'TEXT',
notNull: true
},
{
name: 'fileurl',
type: 'TEXT',
notNull: true
},
{
name: 'filtered',
type: 'TEXT'
},
{
name: 'timecreated',
type: 'INTEGER',
notNull: true
},
{
name: 'timemodified',
type: 'INTEGER',
notNull: true
}
]
},
{
name: CoreH5PProvider.LIBRARIES_TABLE,
columns: [
{
name: 'id',
type: 'INTEGER',
primaryKey: true,
autoIncrement: true
},
{
name: 'machinename',
type: 'TEXT',
notNull: true
},
{
name: 'title',
type: 'TEXT',
notNull: true
},
{
name: 'majorversion',
type: 'INTEGER',
notNull: true
},
{
name: 'minorversion',
type: 'INTEGER',
notNull: true
},
{
name: 'patchversion',
type: 'INTEGER',
notNull: true
},
{
name: 'runnable',
type: 'INTEGER',
notNull: true
},
{
name: 'fullscreen',
type: 'INTEGER',
notNull: true
},
{
name: 'embedtypes',
type: 'TEXT',
notNull: true
},
{
name: 'preloadedjs',
type: 'TEXT'
},
{
name: 'preloadedcss',
type: 'TEXT'
},
{
name: 'droplibrarycss',
type: 'TEXT'
},
{
name: 'semantics',
type: 'TEXT'
},
{
name: 'addto',
type: 'TEXT'
}
]
},
{
name: CoreH5PProvider.LIBRARY_DEPENDENCIES_TABLE,
columns: [
{
name: 'id',
type: 'INTEGER',
primaryKey: true,
autoIncrement: true
},
{
name: 'libraryid',
type: 'INTEGER',
notNull: true
},
{
name: 'requiredlibraryid',
type: 'INTEGER',
notNull: true
},
{
name: 'dependencytype',
type: 'TEXT',
notNull: true
}
]
},
{
name: CoreH5PProvider.CONTENTS_LIBRARIES_TABLE,
columns: [
{
name: 'id',
type: 'INTEGER',
primaryKey: true,
autoIncrement: true
},
{
name: 'h5pid',
type: 'INTEGER',
notNull: true
},
{
name: 'libraryid',
type: 'INTEGER',
notNull: true
},
{
name: 'dependencytype',
type: 'TEXT',
notNull: true
},
{
name: 'dropcss',
type: 'INTEGER',
notNull: true
},
{
name: 'weight',
type: 'INTEGER',
notNull: true
}
]
},
{
name: CoreH5PProvider.LIBRARIES_CACHEDASSETS_TABLE,
columns: [
{
name: 'id',
type: 'INTEGER',
primaryKey: true,
autoIncrement: true
},
{
name: 'libraryid',
type: 'INTEGER',
notNull: true
},
{
name: 'hash',
type: 'TEXT',
notNull: true
},
{
name: 'foldername',
type: 'TEXT',
notNull: true
}
]
}
]
};
protected ROOT_CACHE_KEY = 'CoreH5P:';
protected logger;
constructor() {
this.logger = CoreLogger.instance.getInstance('CoreH5PProvider');
CoreSites.instance.registerSiteSchema(this.siteSchema);
this.h5pValidator = new CoreH5PValidator();
this.h5pFramework = new CoreH5PFramework();
this.h5pCore = new CoreH5PCore(this.h5pFramework);
this.h5pStorage = new CoreH5PStorage(this.h5pCore, this.h5pFramework);
this.h5pPlayer = new CoreH5PPlayer(this.h5pCore, this.h5pStorage);
}
/**
* Returns whether or not WS to get trusted H5P file is available.
*
* @param siteId Site ID. If not defined, current site.
* @return Promise resolved with true if ws is available, false otherwise.
* @since 3.8
*/
async canGetTrustedH5PFile(siteId?: string): Promise<boolean> {
const site = await CoreSites.instance.getSite(siteId);
return this.canGetTrustedH5PFileInSite(site);
}
/**
* Returns whether or not WS to get trusted H5P file is available in a certain site.
*
* @param site Site. If not defined, current site.
* @return Promise resolved with true if ws is available, false otherwise.
* @since 3.8
*/
canGetTrustedH5PFileInSite(site?: CoreSite): boolean {
site = site || CoreSites.instance.getCurrentSite();
return site.wsAvailable('core_h5p_get_trusted_h5p_file');
}
/**
* Get a trusted H5P file.
*
* @param url The file URL.
* @param options Options.
* @param ignoreCache Whether to ignore cache.
* @param siteId Site ID. If not defined, current site.
* @return Promise resolved with the file data.
*/
async getTrustedH5PFile(url: string, options?: CoreH5PGetTrustedFileOptions, ignoreCache?: boolean, siteId?: string)
: Promise<CoreWSExternalFile> {
options = options || {};
const site = await CoreSites.instance.getSite(siteId);
const data = {
url: this.treatH5PUrl(url, site.getURL()),
frame: options.frame ? 1 : 0,
export: options.export ? 1 : 0,
embed: options.embed ? 1 : 0,
copyright: options.copyright ? 1 : 0,
};
const preSets: CoreSiteWSPreSets = {
cacheKey: this.getTrustedH5PFileCacheKey(url),
updateFrequency: CoreSite.FREQUENCY_RARELY
};
if (ignoreCache) {
preSets.getFromCache = false;
preSets.emergencyCache = false;
}
const result: CoreH5PGetTrustedH5PFileResult = await site.read('core_h5p_get_trusted_h5p_file', data, preSets);
if (result.warnings && result.warnings.length) {
throw result.warnings[0];
}
if (result.files && result.files.length) {
return result.files[0];
}
throw 'File not found';
}
/**
* Get cache key for trusted H5P file WS calls.
*
* @param url The file URL.
* @return Cache key.
*/
protected getTrustedH5PFileCacheKey(url: string): string {
return this.getTrustedH5PFilePrefixCacheKey() + url;
}
/**
* Get prefixed cache key for trusted H5P file WS calls.
*
* @return Cache key.
*/
protected getTrustedH5PFilePrefixCacheKey(): string {
return this.ROOT_CACHE_KEY + 'trustedH5PFile:';
}
/**
* Invalidates all trusted H5P file WS calls.
*
* @param siteId Site ID (empty for current site).
* @return Promise resolved when the data is invalidated.
*/
async invalidateAllGetTrustedH5PFile(siteId?: string): Promise<void> {
const site = await CoreSites.instance.getSite(siteId);
await site.invalidateWsCacheForKeyStartingWith(this.getTrustedH5PFilePrefixCacheKey());
}
/**
* Invalidates get trusted H5P file WS call.
*
* @param url The URL of the file.
* @param siteId Site ID (empty for current site).
* @return Promise resolved when the data is invalidated.
*/
async invalidateGetTrustedH5PFile(url: string, siteId?: string): Promise<void> {
const site = await CoreSites.instance.getSite(siteId);
await site.invalidateWsCacheForKey(this.getTrustedH5PFileCacheKey(url));
}
/**
* Check whether H5P offline is disabled.
*
* @param siteId Site ID. If not defined, current site.
* @return Promise resolved with boolean: whether is disabled.
*/
async isOfflineDisabled(siteId?: string): Promise<boolean> {
const site = await CoreSites.instance.getSite(siteId);
return this.isOfflineDisabledInSite(site);
}
/**
* Check whether H5P offline is disabled.
*
* @param site Site instance. If not defined, current site.
* @return Whether is disabled.
*/
isOfflineDisabledInSite(site?: CoreSite): boolean {
site = site || CoreSites.instance.getCurrentSite();
return site.isFeatureDisabled('NoDelegate_H5POffline');
}
/**
* Treat an H5P url before sending it to WS.
*
* @param url H5P file URL.
* @param siteUrl Site URL.
* @return Treated url.
*/
treatH5PUrl(url: string, siteUrl: string): string {
if (url.indexOf(CoreTextUtils.instance.concatenatePaths(siteUrl, '/webservice/pluginfile.php')) === 0) {
url = url.replace('/webservice/pluginfile', '/pluginfile');
}
return CoreUrlUtils.instance.removeUrlParams(url);
}
}
export class CoreH5P extends makeSingleton(CoreH5PProvider) {}
/**
* Options for core_h5p_get_trusted_h5p_file.
*/
export type CoreH5PGetTrustedFileOptions = {
frame?: boolean; // Whether to show the bar options below the content.
export?: boolean; // Whether to allow to download the package.
embed?: boolean; // Whether to allow to copy the code to your site.
copyright?: boolean; // The copyright option.
};
/**
* Result of core_h5p_get_trusted_h5p_file.
*/
export type CoreH5PGetTrustedH5PFileResult = {
files: CoreWSExternalFile[]; // Files.
warnings: CoreWSExternalWarning[]; // List of warnings.
};