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* Code: compatible with semantic import versioning * Tools & Docs: compatible with semantic import versioning * Clean go.mod & go.sum
135 lines
3.4 KiB
Go
135 lines
3.4 KiB
Go
package cos
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import (
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"archive/zip"
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"bytes"
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"encoding/base64"
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"io"
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"io/ioutil"
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"net/url"
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"strconv"
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"strings"
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"time"
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model "github.com/cloudreve/Cloudreve/v3/models"
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"github.com/cloudreve/Cloudreve/v3/pkg/hashid"
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"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
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"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile"
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scf "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/scf/v20180416"
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)
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const scfFunc = `# -*- coding: utf8 -*-
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# SCF配置COS触发，向 Cloudreve 发送回调
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from qcloud_cos_v5 import CosConfig
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from qcloud_cos_v5 import CosS3Client
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from qcloud_cos_v5 import CosServiceError
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from qcloud_cos_v5 import CosClientError
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import sys
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import logging
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import requests
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logging.basicConfig(level=logging.INFO, stream=sys.stdout)
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logger = logging.getLogger()
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def main_handler(event, context):
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logger.info("start main handler")
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for record in event['Records']:
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try:
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if "x-cos-meta-callback" not in record['cos']['cosObject']['meta']:
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logger.info("Cannot find callback URL, skiped.")
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return 'Success'
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callback = record['cos']['cosObject']['meta']['x-cos-meta-callback']
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key = record['cos']['cosObject']['key']
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logger.info("Callback URL is " + callback)
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r = requests.get(callback)
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print(r.text)
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except Exception as e:
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print(e)
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print('Error getting object {} callback url. '.format(key))
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raise e
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return "Fail"
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return "Success"
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`
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// CreateSCF 创建回调云函数
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func CreateSCF(policy *model.Policy, region string) error {
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// 初始化客户端
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credential := common.NewCredential(
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policy.AccessKey,
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policy.SecretKey,
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)
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cpf := profile.NewClientProfile()
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client, err := scf.NewClient(credential, region, cpf)
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if err != nil {
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return err
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}
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// 创建回调代码数据
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buff := &bytes.Buffer{}
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bs64 := base64.NewEncoder(base64.StdEncoding, buff)
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zipWriter := zip.NewWriter(bs64)
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header := zip.FileHeader{
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Name: "callback.py",
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Method: zip.Deflate,
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}
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writer, err := zipWriter.CreateHeader(&header)
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if err != nil {
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return err
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}
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_, err = io.Copy(writer, strings.NewReader(scfFunc))
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zipWriter.Close()
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// 创建云函数
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req := scf.NewCreateFunctionRequest()
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funcName := "cloudreve_" + hashid.HashID(policy.ID, hashid.PolicyID) + strconv.FormatInt(time.Now().Unix(), 10)
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zipFileBytes, _ := ioutil.ReadAll(buff)
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zipFileStr := string(zipFileBytes)
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codeSource := "ZipFile"
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handler := "callback.main_handler"
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desc := "Cloudreve 用回调函数"
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timeout := int64(60)
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runtime := "Python3.6"
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req.FunctionName = &funcName
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req.Code = &scf.Code{
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ZipFile: &zipFileStr,
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}
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req.Handler = &handler
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req.Description = &desc
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req.Timeout = &timeout
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req.Runtime = &runtime
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req.CodeSource = &codeSource
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_, err = client.CreateFunction(req)
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if err != nil {
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return err
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}
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time.Sleep(time.Duration(5) * time.Second)
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// 创建触发器
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server, _ := url.Parse(policy.Server)
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triggerType := "cos"
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triggerDesc := `{"event":"cos:ObjectCreated:Post","filter":{"Prefix":"","Suffix":""}}`
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enable := "OPEN"
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trigger := scf.NewCreateTriggerRequest()
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trigger.FunctionName = &funcName
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trigger.TriggerName = &server.Host
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trigger.Type = &triggerType
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trigger.TriggerDesc = &triggerDesc
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trigger.Enable = &enable
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_, err = client.CreateTrigger(trigger)
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if err != nil {
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return err
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}
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return nil
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}
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