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wgh19
258
lib/network/network.dart
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258
lib/network/network.dart
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import 'dart:convert';
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import 'dart:math';
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import 'package:crypto/crypto.dart';
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import 'package:intl/intl.dart';
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import 'package:pixes/appdata.dart';
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import 'package:pixes/foundation/app.dart';
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import 'package:pixes/foundation/log.dart';
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import 'package:pixes/network/app_dio.dart';
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import 'package:pixes/network/res.dart';
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import 'models.dart';
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export 'models.dart';
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export 'res.dart';
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class Network {
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static const hashSalt =
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"28c1fdd170a5204386cb1313c7077b34f83e4aaf4aa829ce78c231e05b0bae2c";
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static const baseUrl = 'https://app-api.pixiv.net';
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static const oauthUrl = 'https://oauth.secure.pixiv.net';
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static const String clientID = "MOBrBDS8blbauoSck0ZfDbtuzpyT";
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static const String clientSecret = "lsACyCD94FhDUtGTXi3QzcFE2uU1hqtDaKeqrdwj";
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static const String refreshClientID = "KzEZED7aC0vird8jWyHM38mXjNTY";
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static const String refreshClientSecret =
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"W9JZoJe00qPvJsiyCGT3CCtC6ZUtdpKpzMbNlUGP";
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static Network? instance;
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factory Network() => instance ?? (instance = Network._create());
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Network._create();
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String? codeVerifier;
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String? get token => appdata.account?.accessToken;
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final dio = AppDio();
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Map<String, String> get _headers {
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final time =
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DateFormat("yyyy-MM-dd'T'HH:mm:ss'+00:00'").format(DateTime.now());
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final hash = md5.convert(utf8.encode(time + hashSalt)).toString();
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return {
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"X-Client-Time": time,
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"X-Client-Hash": hash,
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"User-Agent": "PixivAndroidApp/5.0.234 (Android 14.0; Pixes)",
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"accept-language": App.locale.toLanguageTag(),
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"Accept-Encoding": "gzip",
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if (token != null) "Authorization": "Bearer $token"
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};
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}
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Future<String> generateWebviewUrl() async {
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const String chars =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~';
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codeVerifier =
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List.generate(128, (i) => chars[Random.secure().nextInt(chars.length)])
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.join();
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final codeChallenge = base64Url
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.encode(sha256.convert(ascii.encode(codeVerifier!)).bytes)
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.replaceAll('=', '');
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return "https://app-api.pixiv.net/web/v1/login?code_challenge=$codeChallenge&code_challenge_method=S256&client=pixiv-android";
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}
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Future<Res<bool>> loginWithCode(String code) async {
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try {
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var res = await dio.post<String>("$oauthUrl/auth/token",
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data: {
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"client_id": clientID,
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"client_secret": clientSecret,
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"code": code,
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"code_verifier": codeVerifier,
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"grant_type": "authorization_code",
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"include_policy": "true",
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"redirect_uri":
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"https://app-api.pixiv.net/web/v1/users/auth/pixiv/callback",
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},
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options: Options(
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contentType: Headers.formUrlEncodedContentType,
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headers: _headers));
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if (res.statusCode != 200) {
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throw "Invalid Status code ${res.statusCode}";
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}
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final data = json.decode(res.data!);
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appdata.account = Account.fromJson(data);
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appdata.writeData();
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return const Res(true);
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} catch (e, s) {
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Log.error("Network", "$e\n$s");
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return Res.error(e);
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}
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}
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Future<Res<bool>> refreshToken() async {
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try {
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var res = await dio.post<String>("$oauthUrl/auth/token",
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data: {
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"client_id": clientID,
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"client_secret": clientSecret,
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"grant_type": "refresh_token",
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"refresh_token": appdata.account?.refreshToken,
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"include_policy": "true",
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},
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options: Options(
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contentType: Headers.formUrlEncodedContentType,
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headers: _headers));
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var account = Account.fromJson(json.decode(res.data!));
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appdata.account = account;
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appdata.writeData();
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return const Res(true);
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}
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catch(e, s){
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Log.error("Network", "$e\n$s");
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return Res.error(e);
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}
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}
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Future<Res<Map<String, dynamic>>> apiGet(String path, {Map<String, dynamic>? query}) async {
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try {
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if(!path.startsWith("http")) {
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path = "$baseUrl$path";
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}
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final res = await dio.get<Map<String, dynamic>>(path,
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queryParameters: query, options: Options(headers: _headers, validateStatus: (status) => true));
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if (res.statusCode == 200) {
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return Res(res.data!);
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} else if(res.statusCode == 400) {
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if(res.data.toString().contains("Access Token")) {
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var refresh = await refreshToken();
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if(refresh.success) {
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return apiGet(path, query: query);
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} else {
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return Res.error(refresh.errorMessage);
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}
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} else {
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return Res.error("Invalid Status Code: ${res.statusCode}");
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}
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} else if((res.statusCode??500) < 500){
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return Res.error(res.data?["error"]?["message"] ?? "Invalid Status code ${res.statusCode}");
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} else {
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return Res.error("Invalid Status Code: ${res.statusCode}");
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}
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} catch (e, s) {
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Log.error("Network", "$e\n$s");
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return Res.error(e);
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}
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}
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Future<Res<Map<String, dynamic>>> apiPost(String path, {Map<String, dynamic>? query, Map<String, dynamic>? data}) async {
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try {
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if(!path.startsWith("http")) {
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path = "$baseUrl$path";
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}
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final res = await dio.post<Map<String, dynamic>>(path,
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queryParameters: query,
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data: data,
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options: Options(
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headers: _headers,
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validateStatus: (status) => true,
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contentType: Headers.formUrlEncodedContentType
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));
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if (res.statusCode == 200) {
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return Res(res.data!);
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} else if(res.statusCode == 400) {
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if(res.data.toString().contains("Access Token")) {
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var refresh = await refreshToken();
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if(refresh.success) {
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return apiGet(path, query: query);
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} else {
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return Res.error(refresh.errorMessage);
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}
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} else {
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return Res.error("Invalid Status Code: ${res.statusCode}");
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}
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} else if((res.statusCode??500) < 500){
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return Res.error(res.data?["error"]?["message"] ?? "Invalid Status code ${res.statusCode}");
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} else {
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return Res.error("Invalid Status Code: ${res.statusCode}");
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}
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} catch (e, s) {
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Log.error("Network", "$e\n$s");
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return Res.error(e);
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}
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}
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/// get user details
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Future<Res<UserDetails>> getUserDetails(Object userId) async{
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var res = await apiGet("/v1/user/detail", query: {"user_id": userId, "filter": "for_android"});
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if (res.success) {
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return Res(UserDetails.fromJson(res.data));
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} else {
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return Res.error(res.errorMessage);
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}
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}
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Future<Res<List<Illust>>> getRecommendedIllusts() async {
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var res = await apiGet("/v1/illust/recommended?include_privacy_policy=true&filter=for_android&include_ranking_illusts=true");
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if (res.success) {
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return Res((res.data["illusts"] as List).map((e) => Illust.fromJson(e)).toList());
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} else {
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return Res.error(res.errorMessage);
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}
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}
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Future<Res<List<Illust>>> getBookmarkedIllusts(String restrict, [String? nextUrl]) async {
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var res = await apiGet(nextUrl ?? "/v1/user/bookmarks/illust?user_id=49258688&restrict=$restrict");
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if (res.success) {
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return Res((res.data["illusts"] as List).map((e) => Illust.fromJson(e)).toList(), subData: res.data["next_url"]);
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} else {
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return Res.error(res.errorMessage);
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}
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}
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Future<Res<bool>> addBookmark(String id, String method, [String type = "public"]) async {
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var res = method == "add" ? await apiPost("/v2/illust/bookmark/$method", data: {
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"illust_id": id,
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"restrict": type
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}) : await apiPost("/v1/illust/bookmark/$method", data: {
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"illust_id": id,
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});
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if(!res.error) {
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return const Res(true);
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} else {
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return Res.fromErrorRes(res);
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}
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}
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Future<Res<bool>> follow(String uid, String method, [String type = "public"]) async {
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var res = method == "add" ? await apiPost("/v1/user/follow/add", data: {
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"user_id": uid,
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"restrict": type
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}) : await apiPost("/v1/user/follow/delete", data: {
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"user_id": uid,
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});
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if(!res.error) {
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return const Res(true);
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} else {
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return Res.fromErrorRes(res);
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}
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}
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Future<Res<List<TrendingTag>>> getHotTags() async {
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var res = await apiGet("/v1/trending-tags/illust?filter=for_android&include_translated_tag_results=true");
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if(res.error) {
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return Res.fromErrorRes(res);
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} else {
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return Res(List.from(res.data["trend_tags"].map((e) => TrendingTag(
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Tag(e["tag"], e["translated_name"]),
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Illust.fromJson(e["illust"])
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))));
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}
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}
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}
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