1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
class AnkiWeb {
constructor(username, password) {
this.username = username;
this.password = password;
this.noteInfo = null;
chrome.webRequest.onBeforeSendHeaders.addListener(
details => {
details.requestHeaders.push({name: 'Origin', value: 'https://ankiweb.net'});
return {requestHeaders: details.requestHeaders};
},
{urls: ['https://ankiweb.net/*']},
['blocking', 'requestHeaders']
);
}
addNote(note) {
return this.retrieve().then(info => {
const model = info.models.find(m => m.name === note.modelName);
if (!model) {
return Promise.reject('cannot add note model provided');
}
const fields = [];
for (const field of model.fields) {
fields.push(note.fields[field]);
}
const data = {
data: JSON.stringify([fields, note.tags.join(' ')]),
mid: model.id,
deck: note.deckName,
csrf_token: info.token
};
return AnkiWeb.loadAccountPage('https://ankiweb.net/edit/save', data, this.username, this.password);
}).then(response => response !== '0');
}
canAddNotes(notes) {
return Promise.resolve(new Array(notes.length).fill(true));
}
getDeckNames() {
return this.retrieve().then(info => info.deckNames);
}
getModelNames() {
return this.retrieve().then(info => info.models.map(m => m.name));
}
getModelFieldNames(modelName) {
return this.retrieve().then(info => {
const model = info.models.find(m => m.name === modelName);
return model ? model.fields : [];
});
}
retrieve() {
if (this.noteInfo !== null) {
return Promise.resolve(this.noteInfo);
}
return AnkiWeb.scrape(this.username, this.password).then(({deckNames, models, token}) => {
this.noteInfo = {deckNames, models, token};
return this.noteInfo;
});
}
logout() {
return AnkiWeb.loadPage('https://ankiweb.net/account/logout', null);
}
static scrape(username, password) {
return AnkiWeb.loadAccountPage('https://ankiweb.net/edit/', null, username, password).then(response => {
const modelsMatch = /editor\.models = (.*}]);/.exec(response);
if (modelsMatch === null) {
return Promise.reject('failed to scrape model data');
}
const decksMatch = /editor\.decks = (.*}});/.exec(response);
if (decksMatch === null) {
return Promise.reject('failed to scrape deck data');
}
const tokenMatch = /editor\.csrf_token = \'(.*)\';/.exec(response);
if (tokenMatch === null) {
return Promise.reject('failed to acquire csrf_token');
}
const modelsJson = JSON.parse(modelsMatch[1]);
const decksJson = JSON.parse(decksMatch[1]);
const token = tokenMatch[1];
const deckNames = Object.keys(decksJson).map(d => decksJson[d].name);
const models = [];
for (const modelJson of modelsJson) {
models.push({
name: modelJson.name,
id: modelJson.id,
fields: modelJson.flds.map(f => f.name)
});
}
return {deckNames, models, token};
});
}
static login(username, password, token) {
if (username.length === 0 || password.length === 0) {
return Promise.reject('login credentials not specified');
}
const data = {username, password, csrf_token: token, submitted: 1};
return AnkiWeb.loadPage('https://ankiweb.net/account/login', data).then(response => {
if (!response.includes('class="mitem"')) {
return Promise.reject('failed to authenticate');
}
});
}
static loadAccountPage(url, data, username, password) {
return AnkiWeb.loadPage(url, data).then(response => {
if (response.includes('name="password"')) {
const tokenMatch = /name="csrf_token" value="(.*)"/.exec(response);
if (tokenMatch === null) {
return Promise.reject('failed to acquire csrf_token');
}
return AnkiWeb.login(username, password, tokenMatch[1]).then(() => AnkiWeb.loadPage(url, data));
} else {
return response;
}
});
}
static loadPage(url, data) {
return new Promise((resolve, reject) => {
let dataEnc = null;
if (data) {
const params = [];
for (const key in data) {
params.push(`${encodeURIComponent(key)}=${encodeURIComponent(data[key])}`);
}
dataEnc = params.join('&');
}
const xhr = new XMLHttpRequest();
xhr.addEventListener('error', () => reject('failed to execute network request'));
xhr.addEventListener('load', () => resolve(xhr.responseText));
if (dataEnc) {
xhr.open('POST', url);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send(dataEnc);
} else {
xhr.open('GET', url);
xhr.send();
}
});
}
}
|