forked from lxm_tools/flutter-picgo
126 lines
3.7 KiB
Dart
126 lines
3.7 KiB
Dart
import 'dart:convert';
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import 'package:dio/dio.dart';
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import 'package:flutter_picgo/api/tcyun_api.dart';
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import 'package:flutter_picgo/model/tcyun_config.dart';
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import 'package:flutter_picgo/model/uploaded.dart';
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import 'package:flutter_picgo/resources/pb_type_keys.dart';
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import 'package:flutter_picgo/utils/image_upload.dart';
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import 'dart:io';
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import 'package:path/path.dart' as path;
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import 'package:flutter_picgo/utils/strategy/image_upload_strategy.dart';
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import 'package:flutter_picgo/utils/strings.dart';
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class TcyunImageUpload implements ImageUploadStrategy {
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@override
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Future<Uploaded> delete(Uploaded uploaded) async {
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TcyunUploaddedInfo info;
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try {
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info = TcyunUploaddedInfo.fromJson(json.decode(uploaded.info));
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} catch (e) {}
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if (info != null) {
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await TcyunApi.deleteobject(
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info.secretId, info.secretKey, info.bucket, info.area, info.key);
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}
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return uploaded;
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}
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@override
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Future<Uploaded> upload(File file, String renameImage) async {
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String configStr = await ImageUploadUtils.getPBConfig(PBTypeKeys.tcyun);
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if (isBlank(configStr)) {
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throw TcyunError(error: '读取配置文件错误！请重试');
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}
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TcyunConfig config = TcyunConfig.fromJson(json.decode(configStr));
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String objectPath = isBlank(config.path)
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? renameImage
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: path.joinAll([config.path, renameImage]);
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/// post
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String keyTime = TcyunApi.buildKeyTime();
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String policy = TcyunApi.buildPolicy(
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config.bucket, objectPath, config.secretId, keyTime);
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FormData formData = FormData.fromMap({
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"key": objectPath,
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"file": await MultipartFile.fromFile(file.path, filename: renameImage),
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"policy": base64.encode(utf8.encode(policy)),
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"q-sign-algorithm": "sha1",
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"q-ak": config.secretId,
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"q-key-time": keyTime,
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"q-sign-time": keyTime,
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"q-signature": TcyunApi.buildSignature(config.secretKey, keyTime, policy)
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});
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await TcyunApi.postObject(
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config.secretId,
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config.secretKey,
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config.bucket,
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config.area,
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path.extension(renameImage).replaceFirst('.', ''),
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formData);
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String imgPath = path.joinAll([
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isBlank(config.customUrl)
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? 'https://${config.bucket}.cos.${config.area}.myqcloud.com'
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: config.customUrl,
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objectPath
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]);
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var uploadedItem = Uploaded(-1, '$imgPath', PBTypeKeys.tcyun,
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info: json.encode(TcyunUploaddedInfo(
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secretId: config.secretId,
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secretKey: config.secretKey,
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area: config.area,
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key: objectPath,
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bucket: config.bucket)));
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await ImageUploadUtils.saveUploadedItem(uploadedItem);
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return uploadedItem;
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}
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}
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class TcyunError implements Exception {
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TcyunError({
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this.error,
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});
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dynamic error;
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String get message => (error?.toString() ?? '');
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@override
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String toString() {
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var msg = 'TcyunError $message';
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if (error is Error) {
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msg += '\n${error.stackTrace}';
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}
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return msg;
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}
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}
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class TcyunUploaddedInfo {
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String area;
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String bucket;
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String secretId;
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String secretKey;
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String key;
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TcyunUploaddedInfo(
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{this.area, this.bucket, this.secretId, this.secretKey, this.key});
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TcyunUploaddedInfo.fromJson(Map<String, dynamic> json) {
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area = json['area'];
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bucket = json['bucket'];
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secretId = json['secretId'];
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secretKey = json['secretKey'];
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key = json['key'];
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}
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Map<String, dynamic> toJson() {
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final Map<String, dynamic> data = new Map<String, dynamic>();
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data['area'] = this.area;
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data['bucket'] = this.bucket;
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data['secretId'] = this.secretId;
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data['secretKey'] = this.secretKey;
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data['key'] = this.key;
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return data;
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}
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}
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