1a65e42d33
* rename EncryptionCtx back to EncryptionAccess Change-Id: I5e58915a59979ad6f2e83d36e191b2bbf3ba2ba2 * missed some stuff Change-Id: Ib65fb186d7f854c0406e5fd7d11498e8941da59e * oops protolock Change-Id: I85a5ab4bafb9dd6a804d3dcd17a70811702f07e4 * retrigger Change-Id: I2d0e3f02b4dbae0299b090e9617662b4437980b0
117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package uplink_test
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"log"
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"storj.io/storj/lib/uplink"
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"storj.io/storj/pkg/storj"
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)
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func logClose(fn func() error) {
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err := fn()
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if err != nil {
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fmt.Println(err)
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}
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}
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// WorkWithLibUplink uploads the specified data to the specified path in the
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// specified bucket, using the specified Satellite, encryption key, and API key.
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func WorkWithLibUplink(satelliteAddress string, encryptionKey *storj.Key, apiKey uplink.APIKey,
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bucketName, uploadPath string, dataToUpload []byte) error {
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ctx := context.Background()
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// Create an Uplink object with a default config
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upl, err := uplink.NewUplink(ctx, nil)
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if err != nil {
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return fmt.Errorf("could not create new Uplink object: %v", err)
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}
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defer logClose(upl.Close)
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// Open up the Project we will be working with
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proj, err := upl.OpenProject(ctx, satelliteAddress, apiKey)
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if err != nil {
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return fmt.Errorf("could not open project: %v", err)
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}
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defer logClose(proj.Close)
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// Create the desired Bucket within the Project
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_, err = proj.CreateBucket(ctx, bucketName, nil)
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if err != nil {
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return fmt.Errorf("could not create bucket: %v", err)
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}
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// Open up the desired Bucket within the Project
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bucket, err := proj.OpenBucket(ctx, bucketName, uplink.NewEncryptionAccessWithDefaultKey(*encryptionKey))
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if err != nil {
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return fmt.Errorf("could not open bucket %q: %v", bucketName, err)
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}
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defer logClose(bucket.Close)
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// Upload our Object to the specified path
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buf := bytes.NewBuffer(dataToUpload)
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err = bucket.UploadObject(ctx, uploadPath, buf, nil)
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if err != nil {
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return fmt.Errorf("could not upload: %v", err)
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}
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// Initiate a download of the same object again
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readBack, err := bucket.OpenObject(ctx, uploadPath)
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if err != nil {
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return fmt.Errorf("could not open object at %q: %v", uploadPath, err)
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}
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defer logClose(readBack.Close)
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// We want the whole thing, so range from 0 to -1
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strm, err := readBack.DownloadRange(ctx, 0, -1)
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if err != nil {
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return fmt.Errorf("could not initiate download: %v", err)
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}
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defer logClose(strm.Close)
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// Read everything from the stream
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receivedContents, err := ioutil.ReadAll(strm)
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if err != nil {
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return fmt.Errorf("could not read object: %v", err)
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}
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if !bytes.Equal(receivedContents, dataToUpload) {
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return fmt.Errorf("got different object back: %q != %q", dataToUpload, receivedContents)
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}
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return nil
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}
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func Example_interface() {
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const (
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myAPIKey = "change-me-to-the-api-key-created-in-satellite-gui"
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satellite = "mars.tardigrade.io:7777"
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myBucket = "my-first-bucket"
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myUploadPath = "foo/bar/baz"
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myData = "one fish two fish red fish blue fish"
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myEncryptionKey = "you'll never guess this"
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)
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var encryptionKey storj.Key
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copy(encryptionKey[:], []byte(myEncryptionKey))
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apiKey, err := uplink.ParseAPIKey(myAPIKey)
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if err != nil {
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log.Fatal("could not parse api key:", err)
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}
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err = WorkWithLibUplink(satellite, &encryptionKey, apiKey, myBucket, myUploadPath, []byte(myData))
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if err != nil {
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log.Fatal("error:", err)
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}
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fmt.Println("success!")
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}
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