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| @@ -0,0 +1,108 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
|
||
| package io | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| awshttp "github.com/aws/aws-sdk-go-v2/aws/transport/http" | ||
| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/aws/aws-sdk-go-v2/credentials" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
| "github.com/wolfeidau/s3iofs" | ||
| ) | ||
|
|
||
| // Constants for S3 configuration options | ||
| const ( | ||
| S3Region = "s3.region" | ||
| S3SessionToken = "s3.session-token" | ||
| S3SecretAccessKey = "s3.secret-access-key" | ||
| S3AccessKeyID = "s3.access-key-id" | ||
| S3EndpointURL = "s3.endpoint" | ||
| S3ProxyURI = "s3.proxy-uri" | ||
| ) | ||
|
|
||
| func createS3FileIO(parsed *url.URL, props map[string]string) (IO, error) { | ||
| opts := []func(*config.LoadOptions) error{} | ||
| endpoint, ok := props[S3EndpointURL] | ||
| if !ok { | ||
| endpoint = os.Getenv("AWS_S3_ENDPOINT") | ||
| } | ||
|
|
||
| if endpoint != "" { | ||
| opts = append(opts, config.WithEndpointResolverWithOptions(aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) { | ||
| if service != s3.ServiceID { | ||
| // fallback to default resolution for the service | ||
| return aws.Endpoint{}, &aws.EndpointNotFoundError{} | ||
| } | ||
|
|
||
| return aws.Endpoint{ | ||
| URL: endpoint, | ||
| SigningRegion: region, | ||
| HostnameImmutable: true, | ||
| }, nil | ||
| }))) | ||
| } | ||
|
|
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| if defaultRegion, ok := props[S3Region]; ok { | ||
| opts = append(opts, config.WithDefaultRegion(defaultRegion)) | ||
| } | ||
|
|
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| accessKey, secretKey := props[S3AccessKeyID], props[S3SecretAccessKey] | ||
| token := props[S3SessionToken] | ||
| if accessKey != "" || secretKey != "" || token != "" { | ||
| opts = append(opts, config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider( | ||
| props[S3AccessKeyID], props[S3SecretAccessKey], props[S3SessionToken]))) | ||
| } | ||
|
|
||
| if proxy, ok := props[S3ProxyURI]; ok { | ||
| proxyURL, err := url.Parse(proxy) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("invalid s3 proxy url '%s'", proxy) | ||
| } | ||
|
|
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| opts = append(opts, config.WithHTTPClient(awshttp.NewBuildableClient().WithTransportOptions( | ||
| func(t *http.Transport) { | ||
| t.Proxy = http.ProxyURL(proxyURL) | ||
| }, | ||
| ))) | ||
| } | ||
|
|
||
| awscfg, err := config.LoadDefaultConfig(context.Background(), opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| preprocess := func(n string) string { | ||
| _, after, found := strings.Cut(n, "://") | ||
| if found { | ||
| n = after | ||
| } | ||
|
|
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| return strings.TrimPrefix(n, parsed.Host) | ||
| } | ||
|
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| s3fs := s3iofs.New(parsed.Host, awscfg) | ||
| return FSPreProcName(s3fs, preprocess), nil | ||
| } |