oak-general-business/es/utils/cos/tencent.backend.js

import { assert } from 'oak-domain/lib/utils/assert';
import TencentYun from './tencent';
import { TencentYunSDK } from 'oak-external-sdk';
import { OakPreConditionUnsetException } from 'oak-domain/lib/types/Exception';
export default class TencentYunBackend extends TencentYun {
    getConfigAndInstance(application) {
        const { config, account } = this.getConfig(application);
        const instance = TencentYunSDK.getInstance(account.secretId, account.secretKey);
        return {
            config,
            instance,
        };
    }
    async composeFileUrlBackend(options) {
        const { application, extraFile, context, style } = options;
        const { config: tencentCosConfig } = this.getConfig(application);
        if (tencentCosConfig) {
            let bucket = tencentCosConfig.buckets.find((ele) => ele.name === extraFile.bucket);
            if (bucket) {
                const { domain, protocol } = bucket;
                let protocol2 = protocol;
                if (protocol instanceof Array) {
                    // protocol存在https: 说明域名有证书
                    const index = protocol.includes('https:')
                        ? protocol.findIndex((ele) => ele === 'https:')
                        : 0;
                    protocol2 = protocol[index];
                }
                return `${protocol2}//${domain}/${this.formKey(extraFile)}${style ? style : ''}`;
            }
        }
        return '';
    }
    async formUploadMeta(application, extraFile) {
        const { bucket } = extraFile;
        // 构造文件上传所需的key
        const key = this.formKey(extraFile);
        const { instance, config: tencentYunCosConfig } = this.getConfigAndInstance(application);
        const { buckets } = tencentYunCosConfig;
        let bucket2 = bucket;
        if (!bucket2) {
            const { defaultBucket } = tencentYunCosConfig;
            bucket2 = defaultBucket;
        }
        assert(bucket2);
        const b = buckets.find((ele) => ele.name === bucket2);
        assert(b, `${bucket2}不是一个有效的桶配置`);
        Object.assign(extraFile, {
            bucket: bucket2,
            uploadMeta: instance.getUploadInfo(bucket2, b.zone, key),
        });
    }
    async checkWhetherSuccess(application, extraFile) {
        const key = this.formKey(extraFile);
        const { instance, config: tencentYunCosConfig } = this.getConfigAndInstance(application);
        const b = tencentYunCosConfig.buckets.find((ele) => ele.name === extraFile.bucket);
        assert(b, `extraFile中的bucket名称在腾讯云配置中找不到「${extraFile.bucket}」`);
        try {
            const result = await instance.isExistObject(extraFile.bucket, b.zone, key);
            return result;
        }
        catch (err) {
            throw err;
        }
    }
    async removeFile(application, extraFile) {
        const key = this.formKey(extraFile);
        const { instance, config: tencentYunCosConfig } = this.getConfigAndInstance(application);
        const b = tencentYunCosConfig.buckets.find((ele) => ele.name === extraFile.bucket);
        assert(b, `extraFile中的bucket名称在腾讯云配置中找不到「${extraFile.bucket}」`);
        try {
            await instance.removeFile(extraFile.bucket, b.zone, key);
        }
        catch (err) {
            throw err;
        }
    }
    async composeChunkUploadInfo(application, extraFile, context) {
        throw new OakPreConditionUnsetException('腾讯云暂不支持分片上传');
        return {
            uploadId: '',
            chunkSize: 0,
            partCount: 0,
            partSize: 0,
            parts: [],
        };
    }
    /**
 * 完成分片上传后的合并操作
 */
    async mergeChunkedUpload(application, extraFile, parts, context) {
        // Implementation here
    }
    async abortMultipartUpload(application, extraFile, context) {
    }
    async listMultipartUploads(application, extraFile, context) {
        return {
            parts: [],
        };
    }
    async presignFile(methods, application, extraFile, context) {
        const key = this.formKey(extraFile);
        const { instance, config: tencentYunCosConfig } = this.getConfigAndInstance(application);
        const b = tencentYunCosConfig.buckets.find((ele) => ele.name === extraFile.bucket);
        assert(b, `extraFile中的bucket名称在腾讯云配置中找不到「${extraFile.bucket}」`);
        return await instance.presignObjectUrl(methods, extraFile.bucket, b.zone, key, {
            expires: 24 * 60 * 60, // 1 day
        });
    }
    presignMultiPartUpload(application, extraFile, from, to, context) {
        throw new OakPreConditionUnsetException('腾讯云暂不支持分片上传预签名');
    }
    prepareChunkedUpload(application, extraFile, context) {
        throw new OakPreConditionUnsetException("腾讯云分片上传请使用composeChunkUploadInfo方法获取上传信息", 'extraFile');
    }
}