/* * Copyright (C) 2016-2020 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* global * AnkiConnect * AnkiNoteBuilder * AudioSystem * AudioUriBuilder * ClipboardMonitor * Database * DictionaryImporter * Environment * JsonSchema * Mecab * ObjectPropertyAccessor * TemplateRenderer * Translator * conditionsTestValue * dictTermsSort * jp * optionsLoad * optionsSave * profileConditionsDescriptor * profileConditionsDescriptorPromise * requestJson * requestText */ class Backend { constructor() { this.environment = new Environment(); this.database = new Database(); this.dictionaryImporter = new DictionaryImporter(); this.translator = new Translator(this.database); this.anki = new AnkiConnect(); this.mecab = new Mecab(); this.clipboardMonitor = new ClipboardMonitor({getClipboard: this._onApiClipboardGet.bind(this)}); this.options = null; this.optionsSchema = null; this.defaultAnkiFieldTemplates = null; this.audioUriBuilder = new AudioUriBuilder(); this.audioSystem = new AudioSystem({ audioUriBuilder: this.audioUriBuilder, useCache: false }); this.ankiNoteBuilder = new AnkiNoteBuilder({ anki: this.anki, audioSystem: this.audioSystem, renderTemplate: this._renderTemplate.bind(this) }); this._templateRenderer = new TemplateRenderer(); const url = (typeof window === 'object' && window !== null ? window.location.href : ''); this.optionsContext = {depth: 0, url}; this.clipboardPasteTarget = ( typeof document === 'object' && document !== null ? document.querySelector('#clipboard-paste-target') : null ); this.popupWindow = null; this._isPrepared = false; this._prepareError = false; this._preparePromise = null; const {promise, resolve, reject} = deferPromise(); this._prepareCompletePromise = promise; this._prepareCompleteResolve = resolve; this._prepareCompleteReject = reject; this._defaultBrowserActionTitle = null; this._badgePrepareDelayTimer = null; this._logErrorLevel = null; this._messageHandlers = new Map([ ['yomichanCoreReady', {async: false, contentScript: true, handler: this._onApiYomichanCoreReady.bind(this)}], ['optionsSchemaGet', {async: false, contentScript: true, handler: this._onApiOptionsSchemaGet.bind(this)}], ['optionsGet', {async: false, contentScript: true, handler: this._onApiOptionsGet.bind(this)}], ['optionsGetFull', {async: false, contentScript: true, handler: this._onApiOptionsGetFull.bind(this)}], ['optionsSave', {async: true, contentScript: true, handler: this._onApiOptionsSave.bind(this)}], ['kanjiFind', {async: true, contentScript: true, handler: this._onApiKanjiFind.bind(this)}], ['termsFind', {async: true, contentScript: true, handler: this._onApiTermsFind.bind(this)}], ['textParse', {async: true, contentScript: true, handler: this._onApiTextParse.bind(this)}], ['definitionAdd', {async: true, contentScript: true, handler: this._onApiDefinitionAdd.bind(this)}], ['definitionsAddable', {async: true, contentScript: true, handler: this._onApiDefinitionsAddable.bind(this)}], ['noteView', {async: true, contentScript: true, handler: this._onApiNoteView.bind(this)}], ['templateRender', {async: true, contentScript: true, handler: this._onApiTemplateRender.bind(this)}], ['commandExec', {async: false, contentScript: true, handler: this._onApiCommandExec.bind(this)}], ['audioGetUri', {async: true, contentScript: true, handler: this._onApiAudioGetUri.bind(this)}], ['screenshotGet', {async: true, contentScript: true, handler: this._onApiScreenshotGet.bind(this)}], ['sendMessageToFrame', {async: false, contentScript: true, handler: this._onApiSendMessageToFrame.bind(this)}], ['broadcastTab', {async: false, contentScript: true, handler: this._onApiBroadcastTab.bind(this)}], ['frameInformationGet', {async: true, contentScript: true, handler: this._onApiFrameInformationGet.bind(this)}], ['injectStylesheet', {async: true, contentScript: true, handler: this._onApiInjectStylesheet.bind(this)}], ['getStylesheetContent', {async: true, contentScript: true, handler: this._onApiGetStylesheetContent.bind(this)}], ['getEnvironmentInfo', {async: false, contentScript: true, handler: this._onApiGetEnvironmentInfo.bind(this)}], ['clipboardGet', {async: true, contentScript: true, handler: this._onApiClipboardGet.bind(this)}], ['getDisplayTemplatesHtml', {async: true, contentScript: true, handler: this._onApiGetDisplayTemplatesHtml.bind(this)}], ['getQueryParserTemplatesHtml', {async: true, contentScript: true, handler: this._onApiGetQueryParserTemplatesHtml.bind(this)}], ['getZoom', {async: true, contentScript: true, handler: this._onApiGetZoom.bind(this)}], ['getDefaultAnkiFieldTemplates', {async: false, contentScript: true, handler: this._onApiGetDefaultAnkiFieldTemplates.bind(this)}], ['getAnkiDeckNames', {async: true, contentScript: false, handler: this._onApiGetAnkiDeckNames.bind(this)}], ['getAnkiModelNames', {async: true, contentScript: false, handler: this._onApiGetAnkiModelNames.bind(this)}], ['getAnkiModelFieldNames', {async: true, contentScript: false, handler: this._onApiGetAnkiModelFieldNames.bind(this)}], ['getDictionaryInfo', {async: true, contentScript: false, handler: this._onApiGetDictionaryInfo.bind(this)}], ['getDictionaryCounts', {async: true, contentScript: false, handler: this._onApiGetDictionaryCounts.bind(this)}], ['purgeDatabase', {async: true, contentScript: false, handler: this._onApiPurgeDatabase.bind(this)}], ['getMedia', {async: true, contentScript: true, handler: this._onApiGetMedia.bind(this)}], ['log', {async: false, contentScript: true, handler: this._onApiLog.bind(this)}], ['logIndicatorClear', {async: false, contentScript: true, handler: this._onApiLogIndicatorClear.bind(this)}], ['createActionPort', {async: false, contentScript: true, handler: this._onApiCreateActionPort.bind(this)}], ['modifySettings', {async: true, contentScript: true, handler: this._onApiModifySettings.bind(this)}], ['getSettings', {async: false, contentScript: true, handler: this._onApiGetSettings.bind(this)}], ['setAllSettings', {async: true, contentScript: false, handler: this._onApiSetAllSettings.bind(this)}] ]); this._messageHandlersWithProgress = new Map([ ['importDictionaryArchive', {async: true, contentScript: false, handler: this._onApiImportDictionaryArchive.bind(this)}], ['deleteDictionary', {async: true, contentScript: false, handler: this._onApiDeleteDictionary.bind(this)}] ]); this._commandHandlers = new Map([ ['search', this._onCommandSearch.bind(this)], ['help', this._onCommandHelp.bind(this)], ['options', this._onCommandOptions.bind(this)], ['toggle', this._onCommandToggle.bind(this)] ]); } prepare() { if (this._preparePromise === null) { const promise = this._prepareInternal(); promise.then( (value) => { this._isPrepared = true; this._prepareCompleteResolve(value); }, (error) => { this._prepareError = true; this._prepareCompleteReject(error); } ); promise.finally(() => this._updateBadge()); this._preparePromise = promise; } return this._prepareCompletePromise; } async _prepareInternal() { try { this._defaultBrowserActionTitle = await this._getBrowserIconTitle(); this._badgePrepareDelayTimer = setTimeout(() => { this._badgePrepareDelayTimer = null; this._updateBadge(); }, 1000); this._updateBadge(); yomichan.on('log', this._onLog.bind(this)); await this.environment.prepare(); try { await this.database.prepare(); } catch (e) { yomichan.logError(e); } await this.translator.prepare(); await profileConditionsDescriptorPromise; this.optionsSchema = await requestJson(chrome.runtime.getURL('/bg/data/options-schema.json'), 'GET'); this.defaultAnkiFieldTemplates = (await requestText(chrome.runtime.getURL('/bg/data/default-anki-field-templates.handlebars'), 'GET')).trim(); this.options = await optionsLoad(); this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, this.options); this.onOptionsUpdated('background'); const options = this.getOptions(this.optionsContext); if (options.general.showGuide) { chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')}); } this.clipboardMonitor.on('change', this._onClipboardText.bind(this)); this._sendMessageAllTabs('backendPrepared'); const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.runtime.sendMessage({action: 'backendPrepared'}, callback); } catch (e) { yomichan.logError(e); throw e; } finally { if (this._badgePrepareDelayTimer !== null) { clearTimeout(this._badgePrepareDelayTimer); this._badgePrepareDelayTimer = null; } } } prepareComplete() { return this._prepareCompletePromise; } isPrepared() { return this._isPrepared; } handleCommand(...args) { return this._runCommand(...args); } handleZoomChange(...args) { return this._onZoomChange(...args); } handleConnect(...args) { return this._onConnect(...args); } handleMessage(...args) { return this.onMessage(...args); } _sendMessageAllTabs(action, params={}) { const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.tabs.query({}, (tabs) => { for (const tab of tabs) { chrome.tabs.sendMessage(tab.id, {action, params}, callback); } }); } onOptionsUpdated(source) { this.applyOptions(); this._sendMessageAllTabs('optionsUpdated', {source}); } onMessage({action, params}, sender, callback) { const messageHandler = this._messageHandlers.get(action); if (typeof messageHandler === 'undefined') { return false; } const {handler, async, contentScript} = messageHandler; try { if (!contentScript) { this._validatePrivilegedMessageSender(sender); } const promiseOrResult = handler(params, sender); if (async) { promiseOrResult.then( (result) => callback({result}), (error) => callback({error: errorToJson(error)}) ); return true; } else { callback({result: promiseOrResult}); return false; } } catch (error) { callback({error: errorToJson(error)}); return false; } } _onConnect(port) { try { const match = /^background-cross-frame-communication-port-(\d+)$/.exec(`${port.name}`); if (match === null) { return; } const tabId = (port.sender && port.sender.tab ? port.sender.tab.id : null); if (typeof tabId !== 'number') { throw new Error('Port does not have an associated tab ID'); } const senderFrameId = port.sender.frameId; if (typeof tabId !== 'number') { throw new Error('Port does not have an associated frame ID'); } const targetFrameId = parseInt(match[1], 10); let forwardPort = chrome.tabs.connect(tabId, {frameId: targetFrameId, name: `cross-frame-communication-port-${senderFrameId}`}); const cleanup = () => { this.checkLastError(chrome.runtime.lastError); if (forwardPort !== null) { forwardPort.disconnect(); forwardPort = null; } if (port !== null) { port.disconnect(); port = null; } }; port.onMessage.addListener((message) => { forwardPort.postMessage(message); }); forwardPort.onMessage.addListener((message) => { port.postMessage(message); }); port.onDisconnect.addListener(cleanup); forwardPort.onDisconnect.addListener(cleanup); } catch (e) { port.disconnect(); yomichan.logError(e); } } _onClipboardText({text}) { this._onCommandSearch({mode: 'popup', query: text}); } _onZoomChange({tabId, oldZoomFactor, newZoomFactor}) { const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.tabs.sendMessage(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}}, callback); } _onLog({level}) { const levelValue = this._getErrorLevelValue(level); if (levelValue <= this._getErrorLevelValue(this._logErrorLevel)) { return; } this._logErrorLevel = level; this._updateBadge(); } applyOptions() { const options = this.getOptions(this.optionsContext); this._updateBadge(); this.anki.setServer(options.anki.server); this.anki.setEnabled(options.anki.enable); if (options.parsing.enableMecabParser) { this.mecab.startListener(); } else { this.mecab.stopListener(); } if (options.general.enableClipboardPopups) { this.clipboardMonitor.start(); } else { this.clipboardMonitor.stop(); } } getOptionsSchema() { return this.optionsSchema; } getFullOptions(useSchema=false) { const options = this.options; return useSchema ? JsonSchema.createProxy(options, this.optionsSchema) : options; } getOptions(optionsContext, useSchema=false) { return this.getProfile(optionsContext, useSchema).options; } getProfile(optionsContext, useSchema=false) { const options = this.getFullOptions(useSchema); const profiles = options.profiles; if (typeof optionsContext.index === 'number') { return profiles[optionsContext.index]; } const profile = this.getProfileFromContext(options, optionsContext); return profile !== null ? profile : options.profiles[options.profileCurrent]; } getProfileFromContext(options, optionsContext) { for (const profile of options.profiles) { const conditionGroups = profile.conditionGroups; if (conditionGroups.length > 0 && Backend.testConditionGroups(conditionGroups, optionsContext)) { return profile; } } return null; } static testConditionGroups(conditionGroups, data) { if (conditionGroups.length === 0) { return false; } for (const conditionGroup of conditionGroups) { const conditions = conditionGroup.conditions; if (conditions.length > 0 && Backend.testConditions(conditions, data)) { return true; } } return false; } static testConditions(conditions, data) { for (const condition of conditions) { if (!conditionsTestValue(profileConditionsDescriptor, condition.type, condition.operator, condition.value, data)) { return false; } } return true; } checkLastError() { // NOP } _runCommand(command, params) { const handler = this._commandHandlers.get(command); if (typeof handler !== 'function') { return false; } handler(params); return true; } async importDictionary(archiveSource, onProgress, details) { return await this.dictionaryImporter.import(this.database, archiveSource, onProgress, details); } async _textParseScanning(text, options) { const results = []; while (text.length > 0) { const term = []; const [definitions, sourceLength] = await this.translator.findTerms( 'simple', text.substring(0, options.scanning.length), {}, options ); if (definitions.length > 0 && sourceLength > 0) { dictTermsSort(definitions); const {expression, reading} = definitions[0]; const source = text.substring(0, sourceLength); for (const {text: text2, furigana} of jp.distributeFuriganaInflected(expression, reading, source)) { const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode); term.push({text: text2, reading: reading2}); } text = text.substring(source.length); } else { const reading = jp.convertReading(text[0], '', options.parsing.readingMode); term.push({text: text[0], reading}); text = text.substring(1); } results.push(term); } return results; } async _textParseMecab(text, options) { const results = []; const rawResults = await this.mecab.parseText(text); for (const [mecabName, parsedLines] of Object.entries(rawResults)) { const result = []; for (const parsedLine of parsedLines) { for (const {expression, reading, source} of parsedLine) { const term = []; for (const {text: text2, furigana} of jp.distributeFuriganaInflected( expression.length > 0 ? expression : source, jp.convertKatakanaToHiragana(reading), source )) { const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode); term.push({text: text2, reading: reading2}); } result.push(term); } result.push([{text: '\n', reading: ''}]); } results.push([mecabName, result]); } return results; } // Message handlers _onApiYomichanCoreReady(_params, sender) { // tab ID isn't set in background (e.g. browser_action) const callback = () => this.checkLastError(chrome.runtime.lastError); const data = {action: 'backendPrepared'}; if (typeof sender.tab === 'undefined') { chrome.runtime.sendMessage(data, callback); return false; } else { chrome.tabs.sendMessage(sender.tab.id, data, callback); return true; } } _onApiOptionsSchemaGet() { return this.getOptionsSchema(); } _onApiOptionsGet({optionsContext}) { return this.getOptions(optionsContext); } _onApiOptionsGetFull() { return this.getFullOptions(); } async _onApiOptionsSave({source}) { const options = this.getFullOptions(); await optionsSave(options); this.onOptionsUpdated(source); } async _onApiKanjiFind({text, optionsContext}) { const options = this.getOptions(optionsContext); const definitions = await this.translator.findKanji(text, options); definitions.splice(options.general.maxResults); return definitions; } async _onApiTermsFind({text, details, optionsContext}) { const options = this.getOptions(optionsContext); const mode = options.general.resultOutputMode; const [definitions, length] = await this.translator.findTerms(mode, text, details, options); definitions.splice(options.general.maxResults); return {length, definitions}; } async _onApiTextParse({text, optionsContext}) { const options = this.getOptions(optionsContext); const results = []; if (options.parsing.enableScanningParser) { results.push({ source: 'scanning-parser', id: 'scan', content: await this._textParseScanning(text, options) }); } if (options.parsing.enableMecabParser) { const mecabResults = await this._textParseMecab(text, options); for (const [mecabDictName, mecabDictResults] of mecabResults) { results.push({ source: 'mecab', dictionary: mecabDictName, id: `mecab-${mecabDictName}`, content: mecabDictResults }); } } return results; } async _onApiDefinitionAdd({definition, mode, context, details, optionsContext}) { const options = this.getOptions(optionsContext); const templates = this._getTemplates(options); if (mode !== 'kanji') { const {customSourceUrl} = options.audio; await this.ankiNoteBuilder.injectAudio( definition, options.anki.terms.fields, options.audio.sources, customSourceUrl ); } if (details && details.screenshot) { await this.ankiNoteBuilder.injectScreenshot( definition, options.anki.terms.fields, details.screenshot ); } const note = await this.ankiNoteBuilder.createNote(definition, mode, context, options, templates); return this.anki.addNote(note); } async _onApiDefinitionsAddable({definitions, modes, context, optionsContext}) { const options = this.getOptions(optionsContext); const templates = this._getTemplates(options); const states = []; try { const notePromises = []; for (const definition of definitions) { for (const mode of modes) { const notePromise = this.ankiNoteBuilder.createNote(definition, mode, context, options, templates); notePromises.push(notePromise); } } const notes = await Promise.all(notePromises); const cannotAdd = []; const results = await this.anki.canAddNotes(notes); for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) { const state = {}; for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) { const index = resultBase + modeOffset; const result = results[index]; const info = {canAdd: result}; state[modes[modeOffset]] = info; if (!result) { cannotAdd.push([notes[index], info]); } } states.push(state); } if (cannotAdd.length > 0) { const noteIdsArray = await this.anki.findNoteIds(cannotAdd.map((e) => e[0]), options.anki.duplicateScope); for (let i = 0, ii = Math.min(cannotAdd.length, noteIdsArray.length); i < ii; ++i) { const noteIds = noteIdsArray[i]; if (noteIds.length > 0) { cannotAdd[i][1].noteId = noteIds[0]; } } } } catch (e) { // NOP } return states; } async _onApiNoteView({noteId}) { return await this.anki.guiBrowse(`nid:${noteId}`); } async _onApiTemplateRender({template, data}) { return this._renderTemplate(template, data); } _onApiCommandExec({command, params}) { return this._runCommand(command, params); } async _onApiAudioGetUri({definition, source, details}) { return await this.audioUriBuilder.getUri(definition, source, details); } _onApiScreenshotGet({options}, sender) { if (!(sender && sender.tab)) { return Promise.resolve(); } const windowId = sender.tab.windowId; return new Promise((resolve) => { chrome.tabs.captureVisibleTab(windowId, options, (dataUrl) => resolve(dataUrl)); }); } _onApiSendMessageToFrame({frameId, action, params}, sender) { if (!(sender && sender.tab)) { return false; } const tabId = sender.tab.id; const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.tabs.sendMessage(tabId, {action, params}, {frameId}, callback); return true; } _onApiBroadcastTab({action, params}, sender) { if (!(sender && sender.tab)) { return false; } const tabId = sender.tab.id; const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.tabs.sendMessage(tabId, {action, params}, callback); return true; } _onApiFrameInformationGet(params, sender) { const frameId = sender.frameId; return Promise.resolve({frameId}); } _onApiInjectStylesheet({type, value}, sender) { if (!sender.tab) { return Promise.reject(new Error('Invalid tab')); } const tabId = sender.tab.id; const frameId = sender.frameId; const details = ( type === 'file' ? { file: value, runAt: 'document_start', cssOrigin: 'author', allFrames: false, matchAboutBlank: true } : { code: value, runAt: 'document_start', cssOrigin: 'user', allFrames: false, matchAboutBlank: true } ); if (typeof frameId === 'number') { details.frameId = frameId; } return new Promise((resolve, reject) => { chrome.tabs.insertCSS(tabId, details, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); }); } async _onApiGetStylesheetContent({url}) { if (!url.startsWith('/') || url.startsWith('//') || !url.endsWith('.css')) { throw new Error('Invalid URL'); } return await requestText(url, 'GET'); } _onApiGetEnvironmentInfo() { return this.environment.getInfo(); } async _onApiClipboardGet() { /* Notes: document.execCommand('paste') doesn't work on Firefox. This may be a bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1603985 Therefore, navigator.clipboard.readText() is used on Firefox. navigator.clipboard.readText() can't be used in Chrome for two reasons: * Requires page to be focused, else it rejects with an exception. * When the page is focused, Chrome will request clipboard permission, despite already being an extension with clipboard permissions. It effectively asks for the non-extension permission for clipboard access. */ const {browser} = this.environment.getInfo(); if (browser === 'firefox' || browser === 'firefox-mobile') { return await navigator.clipboard.readText(); } else { const clipboardPasteTarget = this.clipboardPasteTarget; if (clipboardPasteTarget === null) { throw new Error('Reading the clipboard is not supported in this context'); } clipboardPasteTarget.value = ''; clipboardPasteTarget.focus(); document.execCommand('paste'); const result = clipboardPasteTarget.value; clipboardPasteTarget.value = ''; return result; } } async _onApiGetDisplayTemplatesHtml() { const url = chrome.runtime.getURL('/mixed/display-templates.html'); return await requestText(url, 'GET'); } async _onApiGetQueryParserTemplatesHtml() { const url = chrome.runtime.getURL('/bg/query-parser-templates.html'); return await requestText(url, 'GET'); } _onApiGetZoom(params, sender) { if (!sender || !sender.tab) { return Promise.reject(new Error('Invalid tab')); } return new Promise((resolve, reject) => { const tabId = sender.tab.id; if (!( chrome.tabs !== null && typeof chrome.tabs === 'object' && typeof chrome.tabs.getZoom === 'function' )) { // Not supported resolve({zoomFactor: 1.0}); return; } chrome.tabs.getZoom(tabId, (zoomFactor) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve({zoomFactor}); } }); }); } _onApiGetDefaultAnkiFieldTemplates() { return this.defaultAnkiFieldTemplates; } async _onApiGetAnkiDeckNames() { return await this.anki.getDeckNames(); } async _onApiGetAnkiModelNames() { return await this.anki.getModelNames(); } async _onApiGetAnkiModelFieldNames({modelName}) { return await this.anki.getModelFieldNames(modelName); } async _onApiGetDictionaryInfo() { return await this.translator.database.getDictionaryInfo(); } async _onApiGetDictionaryCounts({dictionaryNames, getTotal}) { return await this.translator.database.getDictionaryCounts(dictionaryNames, getTotal); } async _onApiPurgeDatabase() { this.translator.clearDatabaseCaches(); await this.database.purge(); } async _onApiGetMedia({targets}) { return await this.database.getMedia(targets); } _onApiLog({error, level, context}) { yomichan.log(jsonToError(error), level, context); } _onApiLogIndicatorClear() { if (this._logErrorLevel === null) { return; } this._logErrorLevel = null; this._updateBadge(); } _onApiCreateActionPort(params, sender) { if (!sender || !sender.tab) { throw new Error('Invalid sender'); } const tabId = sender.tab.id; if (typeof tabId !== 'number') { throw new Error('Sender has invalid tab ID'); } const frameId = sender.frameId; const id = yomichan.generateId(16); const portName = `action-port-${id}`; const port = chrome.tabs.connect(tabId, {name: portName, frameId}); try { this._createActionListenerPort(port, sender, this._messageHandlersWithProgress); } catch (e) { port.disconnect(); throw e; } return portName; } async _onApiImportDictionaryArchive({archiveContent, details}, sender, onProgress) { return await this.dictionaryImporter.import(this.database, archiveContent, details, onProgress); } async _onApiDeleteDictionary({dictionaryName}, sender, onProgress) { this.translator.clearDatabaseCaches(); await this.database.deleteDictionary(dictionaryName, {rate: 1000}, onProgress); } async _onApiModifySettings({targets, source}) { const results = []; for (const target of targets) { try { const result = this._modifySetting(target); results.push({result: clone(result)}); } catch (e) { results.push({error: errorToJson(e)}); } } await this._onApiOptionsSave({source}); return results; } _onApiGetSettings({targets}) { const results = []; for (const target of targets) { try { const result = this._getSetting(target); results.push({result: clone(result)}); } catch (e) { results.push({error: errorToJson(e)}); } } return results; } async _onApiSetAllSettings({value, source}) { this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, value); await this._onApiOptionsSave({source}); } // Command handlers _createActionListenerPort(port, sender, handlers) { let hasStarted = false; let messageString = ''; const onProgress = (...data) => { try { if (port === null) { return; } port.postMessage({type: 'progress', data}); } catch (e) { // NOP } }; const onMessage = (message) => { if (hasStarted) { return; } try { const {action, data} = message; switch (action) { case 'fragment': messageString += data; break; case 'invoke': { hasStarted = true; port.onMessage.removeListener(onMessage); const messageData = JSON.parse(messageString); messageString = null; onMessageComplete(messageData); } break; } } catch (e) { cleanup(e); } }; const onMessageComplete = async (message) => { try { const {action, params} = message; port.postMessage({type: 'ack'}); const messageHandler = handlers.get(action); if (typeof messageHandler === 'undefined') { throw new Error('Invalid action'); } const {handler, async, contentScript} = messageHandler; if (!contentScript) { this._validatePrivilegedMessageSender(sender); } const promiseOrResult = handler(params, sender, onProgress); const result = async ? await promiseOrResult : promiseOrResult; port.postMessage({type: 'complete', data: result}); } catch (e) { cleanup(e); } }; const onDisconnect = () => { cleanup(null); }; const cleanup = (error) => { if (port === null) { return; } if (error !== null) { port.postMessage({type: 'error', data: errorToJson(error)}); } if (!hasStarted) { port.onMessage.removeListener(onMessage); } port.onDisconnect.removeListener(onDisconnect); port = null; handlers = null; }; port.onMessage.addListener(onMessage); port.onDisconnect.addListener(onDisconnect); } _getErrorLevelValue(errorLevel) { switch (errorLevel) { case 'info': return 0; case 'debug': return 0; case 'warn': return 1; case 'error': return 2; default: return 0; } } async _onCommandSearch(params) { const {mode='existingOrNewTab', query} = params || {}; const options = this.getOptions(this.optionsContext); const {popupWidth, popupHeight} = options.general; const baseUrl = chrome.runtime.getURL('/bg/search.html'); const queryParams = {mode}; if (query && query.length > 0) { queryParams.query = query; } const queryString = new URLSearchParams(queryParams).toString(); const url = `${baseUrl}?${queryString}`; const isTabMatch = (url2) => { if (url2 === null || !url2.startsWith(baseUrl)) { return false; } const {baseUrl: baseUrl2, queryParams: queryParams2} = parseUrl(url2); return baseUrl2 === baseUrl && (queryParams2.mode === mode || (!queryParams2.mode && mode === 'existingOrNewTab')); }; const openInTab = async () => { const tab = await Backend._findTab(1000, isTabMatch); if (tab !== null) { await Backend._focusTab(tab); if (queryParams.query) { await new Promise((resolve) => chrome.tabs.sendMessage( tab.id, {action: 'searchQueryUpdate', params: {text: queryParams.query}}, resolve )); } return true; } }; switch (mode) { case 'existingOrNewTab': try { if (await openInTab()) { return; } } catch (e) { // NOP } chrome.tabs.create({url}); return; case 'newTab': chrome.tabs.create({url}); return; case 'popup': try { // chrome.windows not supported (e.g. on Firefox mobile) if (!isObject(chrome.windows)) { return; } if (await openInTab()) { return; } // if the previous popup is open in an invalid state, close it if (this.popupWindow !== null) { const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.windows.remove(this.popupWindow.id, callback); } // open new popup this.popupWindow = await new Promise((resolve) => chrome.windows.create( {url, width: popupWidth, height: popupHeight, type: 'popup'}, resolve )); } catch (e) { // NOP } return; } } _onCommandHelp() { chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'}); } _onCommandOptions(params) { const {mode='existingOrNewTab'} = params || {}; if (mode === 'existingOrNewTab') { chrome.runtime.openOptionsPage(); } else if (mode === 'newTab') { const manifest = chrome.runtime.getManifest(); const url = chrome.runtime.getURL(manifest.options_ui.page); chrome.tabs.create({url}); } } async _onCommandToggle() { const source = 'popup'; const options = this.getOptions(this.optionsContext); options.general.enable = !options.general.enable; await this._onApiOptionsSave({source}); } // Utilities _getModifySettingObject(target) { const scope = target.scope; switch (scope) { case 'profile': if (!isObject(target.optionsContext)) { throw new Error('Invalid optionsContext'); } return this.getOptions(target.optionsContext, true); case 'global': return this.getFullOptions(true); default: throw new Error(`Invalid scope: ${scope}`); } } _getSetting(target) { const options = this._getModifySettingObject(target); const accessor = new ObjectPropertyAccessor(options); const {path} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } return accessor.get(ObjectPropertyAccessor.getPathArray(path)); } _modifySetting(target) { const options = this._getModifySettingObject(target); const accessor = new ObjectPropertyAccessor(options); const action = target.action; switch (action) { case 'set': { const {path, value} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } const pathArray = ObjectPropertyAccessor.getPathArray(path); accessor.set(pathArray, value); return accessor.get(pathArray); } case 'delete': { const {path} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } accessor.delete(ObjectPropertyAccessor.getPathArray(path)); return true; } case 'swap': { const {path1, path2} = target; if (typeof path1 !== 'string') { throw new Error('Invalid path1'); } if (typeof path2 !== 'string') { throw new Error('Invalid path2'); } accessor.swap(ObjectPropertyAccessor.getPathArray(path1), ObjectPropertyAccessor.getPathArray(path2)); return true; } case 'splice': { const {path, start, deleteCount, items} = target; if (typeof path !== 'string') { throw new Error('Invalid path'); } if (typeof start !== 'number' || Math.floor(start) !== start) { throw new Error('Invalid start'); } if (typeof deleteCount !== 'number' || Math.floor(deleteCount) !== deleteCount) { throw new Error('Invalid deleteCount'); } if (!Array.isArray(items)) { throw new Error('Invalid items'); } const array = accessor.get(ObjectPropertyAccessor.getPathArray(path)); if (!Array.isArray(array)) { throw new Error('Invalid target type'); } return array.splice(start, deleteCount, ...items); } default: throw new Error(`Unknown action: ${action}`); } } _validatePrivilegedMessageSender(sender) { const url = sender.url; if (!(typeof url === 'string' && yomichan.isExtensionUrl(url))) { throw new Error('Invalid message sender'); } } _getBrowserIconTitle() { return ( isObject(chrome.browserAction) && typeof chrome.browserAction.getTitle === 'function' ? new Promise((resolve) => chrome.browserAction.getTitle({}, resolve)) : Promise.resolve('') ); } _updateBadge() { let title = this._defaultBrowserActionTitle; if (title === null || !isObject(chrome.browserAction)) { // Not ready or invalid return; } let text = ''; let color = null; let status = null; if (this._logErrorLevel !== null) { switch (this._logErrorLevel) { case 'error': text = '!!'; color = '#f04e4e'; status = 'Error'; break; default: // 'warn' text = '!'; color = '#f0ad4e'; status = 'Warning'; break; } } else if (!this._isPrepared) { if (this._prepareError) { text = '!!'; color = '#f04e4e'; status = 'Error'; } else if (this._badgePrepareDelayTimer === null) { text = '...'; color = '#f0ad4e'; status = 'Loading'; } } else if (!this._anyOptionsMatches((options) => options.general.enable)) { text = 'off'; color = '#555555'; status = 'Disabled'; } else if (!this._anyOptionsMatches((options) => this._isAnyDictionaryEnabled(options))) { text = '!'; color = '#f0ad4e'; status = 'No dictionaries installed'; } if (color !== null && typeof chrome.browserAction.setBadgeBackgroundColor === 'function') { chrome.browserAction.setBadgeBackgroundColor({color}); } if (text !== null && typeof chrome.browserAction.setBadgeText === 'function') { chrome.browserAction.setBadgeText({text}); } if (typeof chrome.browserAction.setTitle === 'function') { if (status !== null) { title = `${title} - ${status}`; } chrome.browserAction.setTitle({title}); } } _isAnyDictionaryEnabled(options) { for (const {enabled} of Object.values(options.dictionaries)) { if (enabled) { return true; } } return false; } _anyOptionsMatches(predicate) { for (const {options} of this.options.profiles) { const value = predicate(options); if (value) { return value; } } return false; } async _renderTemplate(template, data) { return await this._templateRenderer.render(template, data); } _getTemplates(options) { const templates = options.anki.fieldTemplates; return typeof templates === 'string' ? templates : this.defaultAnkiFieldTemplates; } static _getTabUrl(tab) { return new Promise((resolve) => { chrome.tabs.sendMessage(tab.id, {action: 'getUrl'}, {frameId: 0}, (response) => { let url = null; if (!chrome.runtime.lastError) { url = (response !== null && typeof response === 'object' && !Array.isArray(response) ? response.url : null); if (url !== null && typeof url !== 'string') { url = null; } } resolve({tab, url}); }); }); } static async _findTab(timeout, checkUrl) { // This function works around the need to have the "tabs" permission to access tab.url. const tabs = await new Promise((resolve) => chrome.tabs.query({}, resolve)); const {promise: matchPromise, resolve: matchPromiseResolve} = deferPromise(); const checkTabUrl = ({tab, url}) => { if (checkUrl(url, tab)) { matchPromiseResolve(tab); } }; const promises = []; for (const tab of tabs) { const promise = Backend._getTabUrl(tab); promise.then(checkTabUrl); promises.push(promise); } const racePromises = [ matchPromise, Promise.all(promises).then(() => null) ]; if (typeof timeout === 'number') { racePromises.push(new Promise((resolve) => setTimeout(() => resolve(null), timeout))); } return await Promise.race(racePromises); } static async _focusTab(tab) { await new Promise((resolve, reject) => { chrome.tabs.update(tab.id, {active: true}, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); }); if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) { // Windows not supported (e.g. on Firefox mobile) return; } try { const tabWindow = await new Promise((resolve, reject) => { chrome.windows.get(tab.windowId, {}, (value) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(value); } }); }); if (!tabWindow.focused) { await new Promise((resolve, reject) => { chrome.windows.update(tab.windowId, {focused: true}, () => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(); } }); }); } } catch (e) { // Edge throws exception for no reason here. } } } class BackendEventHandler { constructor(backend) { this._backend = backend; } prepare() { if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) { const onCommand = this._createGenericEventHandler((...args) => this._backend.handleCommand(...args)); chrome.commands.onCommand.addListener(onCommand); } if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) { const onZoomChange = this._createGenericEventHandler((...args) => this._backend.handleZoomChange(...args)); chrome.tabs.onZoomChange.addListener(onZoomChange); } const onConnect = this._createGenericEventHandler((...args) => this._backend.handleConnect(...args)); chrome.runtime.onConnect.addListener(onConnect); const onMessage = this._onMessage.bind(this); chrome.runtime.onMessage.addListener(onMessage); } // Event handlers _createGenericEventHandler(handler) { return this._onGenericEvent.bind(this, handler); } _onGenericEvent(handler, ...args) { if (this._backend.isPrepared()) { handler(...args); return; } this._backend.prepareComplete().then( () => { handler(...args); }, () => {} // NOP ); } _onMessage(message, sender, sendResponse) { if (this._backend.isPrepared()) { return this._backend.handleMessage(message, sender, sendResponse); } this._backend.prepareComplete().then( () => { this._backend.handleMessage(message, sender, sendResponse); }, () => { sendResponse(); } // NOP ); return true; } }