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88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package s3
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"strings"
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"github.com/aws/aws-sdk-go-v2/aws"
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s3config "github.com/aws/aws-sdk-go-v2/config"
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"github.com/aws/aws-sdk-go-v2/credentials"
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"github.com/aws/aws-sdk-go-v2/feature/s3/manager"
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awss3 "github.com/aws/aws-sdk-go-v2/service/s3"
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"github.com/aws/aws-sdk-go-v2/service/s3/types"
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)
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type Config struct {
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AccessKey string
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SecretKey string
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Bucket string
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EndPoint string
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Region string
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URLPrefix string
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URLSuffix string
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}
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type Client struct {
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Client *awss3.Client
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Config *Config
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}
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func NewClient(ctx context.Context, config *Config) (*Client, error) {
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// For some s3-compatible object stores, converting the hostname is not required,
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// and not setting this option will result in not being able to access the corresponding object store address.
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// But Aliyun OSS should disable this option
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hostnameImmutable := true
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if strings.HasSuffix(config.EndPoint, "aliyuncs.com") {
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hostnameImmutable = false
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}
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resolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...any) (aws.Endpoint, error) {
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return aws.Endpoint{
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URL: config.EndPoint,
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SigningRegion: config.Region,
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HostnameImmutable: hostnameImmutable,
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}, nil
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})
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awsConfig, err := s3config.LoadDefaultConfig(ctx,
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s3config.WithEndpointResolverWithOptions(resolver),
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s3config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(config.AccessKey, config.SecretKey, "")),
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)
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if err != nil {
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return nil, err
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}
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client := awss3.NewFromConfig(awsConfig)
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return &Client{
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Client: client,
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Config: config,
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}, nil
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}
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func (client *Client) UploadFile(ctx context.Context, filename string, fileType string, src io.Reader) (string, error) {
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uploader := manager.NewUploader(client.Client)
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uploadOutput, err := uploader.Upload(ctx, &awss3.PutObjectInput{
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Bucket: aws.String(client.Config.Bucket),
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Key: aws.String(filename),
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Body: src,
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ContentType: aws.String(fileType),
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ACL: types.ObjectCannedACL(*aws.String("public-read")),
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})
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if err != nil {
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return "", err
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}
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link := uploadOutput.Location
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// If url prefix is set, use it as the file link.
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if client.Config.URLPrefix != "" {
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link = fmt.Sprintf("%s/%s%s", client.Config.URLPrefix, filename, client.Config.URLSuffix)
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}
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if link == "" {
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return "", errors.New("failed to get file link")
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}
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return link, nil
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}
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