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(download) Implements hentai download pass using image-provider
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// This source code is a part of Project Violet. | ||
// Copyright (C) 2020. violet-team. Licensed under the Apache-2.0 License. | ||
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import 'dart:io'; | ||
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import 'package:html_unescape/html_unescape_small.dart'; | ||
import 'package:intl/intl.dart'; | ||
import 'package:shared_preferences/shared_preferences.dart'; | ||
import 'package:violet/component/downloadable.dart'; | ||
import 'package:violet/component/hentai.dart'; | ||
import 'package:violet/network/wrapper.dart' as http; | ||
import 'dart:convert'; | ||
import 'package:path/path.dart' as path; | ||
import 'package:crypto/crypto.dart'; | ||
import 'package:violet/component/hitomi/hitomi.dart'; | ||
import 'package:violet/component/hitomi/hitomi_parser.dart'; | ||
import 'package:violet/database/database.dart'; | ||
import 'package:violet/database/query.dart'; | ||
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class HentaiDonwloadManager extends Downloadable { | ||
RegExp urlMatcher; | ||
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HentaiDonwloadManager() { | ||
urlMatcher = RegExp(r'^\d+$'); | ||
} | ||
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@override | ||
bool acceptURL(String url) { | ||
return urlMatcher.stringMatch(url) == url; | ||
} | ||
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@override | ||
String defaultFormat() { | ||
return "%(extractor)s/[%(id)s] %(title)s/%(file)s.%(ext)s"; | ||
} | ||
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@override | ||
String fav() { | ||
return 'https://ltn.hitomi.la/favicon-192x192.png'; | ||
} | ||
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@override | ||
bool loginRequire() { | ||
return false; | ||
} | ||
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@override | ||
bool logined() { | ||
return false; | ||
} | ||
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@override | ||
String name() { | ||
return 'hentai'; | ||
} | ||
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@override | ||
Future<void> setSession(String id, String pwd) async {} | ||
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@override | ||
Future<bool> tryLogin() async { | ||
return true; | ||
} | ||
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@override | ||
Future<List<DownloadTask>> createTask( | ||
String url, GeneralDownloadProgress gdp) async { | ||
var query = (await HentaiManager.idSearch(url, 0)).item1; | ||
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if (query.length == 0) { | ||
return null; | ||
} | ||
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var target = query[0]; | ||
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gdp.simpleInfoCallback('[${target.id()}] ${target.title()}'); | ||
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var provider = await HentaiManager.getImageProvider(target); | ||
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await provider.init(); | ||
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gdp.thumbnailCallback(await provider.getThumbnailUrl(), | ||
jsonEncode(await provider.getHeader(0))); | ||
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var result = List<DownloadTask>(); | ||
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for (int i = 0; i < provider.length(); i++) { | ||
var page = await provider.getImageUrl(i); | ||
var header = await provider.getHeader(i); | ||
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result.add( | ||
DownloadTask( | ||
url: page, | ||
filename: page.split('/').last, | ||
headers: header, | ||
format: FileNameFormat( | ||
title: target.title(), | ||
id: target.id().toString(), | ||
laugage: target.language(), | ||
uploadDate: target.getDateTime().toString(), | ||
filenameWithoutExtension: intToString(i, pad: 3), | ||
extension: path.extension(page.split('/').last).replaceAll(".", ""), | ||
extractor: 'hentai', | ||
), | ||
), | ||
); | ||
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gdp.progressCallback(i + 1, provider.length()); | ||
} | ||
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return result; | ||
} | ||
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// https://stackoverflow.com/questions/15193983/is-there-a-built-in-method-to-pad-a-string | ||
static String intToString(int i, {int pad: 0}) { | ||
var str = i.toString(); | ||
var paddingToAdd = pad - str.length; | ||
return (paddingToAdd > 0) | ||
? "${new List.filled(paddingToAdd, '0').join('')}$i" | ||
: str; | ||
} | ||
} |
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