144 lines
4.5 KiB
JavaScript
144 lines
4.5 KiB
JavaScript
/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class AnkiWeb {
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constructor(username, password) {
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this.username = username;
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this.password = password;
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this.noteInfo = null;
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this.logged = false;
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}
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addNote(note) {
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return Promise.resolve(true);
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}
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canAddNotes(notes) {
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return Promise.resolve([]);
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}
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getDeckNames() {
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return this.retrieve().then(info => info.deckNames);
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}
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getModelNames() {
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return this.retrieve().then(info => info.models.map(m => m.name));
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}
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getModelFieldNames(modelName) {
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return this.retrieve().then(info => {
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const model = info.models.find(m => m.name === modelName);
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return model ? model.fields : [];
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});
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}
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retrieve() {
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if (this.noteInfo !== null) {
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return Promise.resolve(this.noteInfo);
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}
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return this.authenticate().then(() => {
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return AnkiWeb.scrape();
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}).then(({deckNames, models}) => {
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this.noteInfo = {deckNames, models};
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return this.noteInfo;
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});
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}
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authenticate() {
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if (this.logged) {
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return Promise.resolve(true);
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}
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return AnkiWeb.logout().then(() => {
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return AnkiWeb.login(this.username, this.password);
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}).then(() => {
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this.logged = true;
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return true;
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});
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}
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static scrape() {
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return new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('error', () => reject('failed to execute scrape request'));
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xhr.addEventListener('load', () => {
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const modelsJson = JSON.parse(/editor\.models = (.*}]);/.exec(xhr.responseText)[1]);
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if (!modelsJson) {
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reject('failed to scrape model data');
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return;
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}
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const decksJson = JSON.parse(/editor\.decks = (.*}});/.exec(xhr.responseText)[1]);
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if (!decksJson) {
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reject('failed to scrape deck data');
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return;
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}
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const deckNames = Object.keys(decksJson).map(d => decksJson[d].name);
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const models = [];
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for (const modelJson of modelsJson) {
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models.push({
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name: modelJson.name,
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id: modelJson.id,
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fields: modelJson.flds.map(f => f.name)
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});
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}
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resolve({deckNames, models});
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});
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xhr.open('GET', 'https://ankiweb.net/edit/');
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xhr.send();
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});
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}
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static login(username, password) {
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return new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('error', () => reject('failed to execute login request'));
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xhr.addEventListener('load', () => {
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if (xhr.responseText.includes('class="mitem"')) {
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resolve();
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} else {
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reject('failed to authenticate');
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}
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});
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const form = new FormData();
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form.append('username', username);
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form.append('password', password);
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form.append('submitted', 1);
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xhr.open('POST', 'https://ankiweb.net/account/login');
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xhr.send(form);
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});
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}
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static logout() {
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return new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('error', () => reject('failed to execute logout request'));
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xhr.addEventListener('load', () => resolve());
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xhr.open('GET', 'https://ankiweb.net/account/logout');
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xhr.send();
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});
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}
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}
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