github.com/cornelk/go-cloud@v0.17.1/secrets/example_openkeeper_test.go (about)

     1  // Copyright 2019 The Go Cloud Development Kit Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package secrets_test
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"log"
    21  
    22  	"github.com/cornelk/go-cloud/secrets"
    23  	_ "github.com/cornelk/go-cloud/secrets/localsecrets"
    24  )
    25  
    26  func Example_openFromURL() {
    27  	ctx := context.Background()
    28  
    29  	// Create a Keeper using a URL.
    30  	// This example uses "localsecrets", the in-memory implementation.
    31  	// We need to add a blank import line to register the localsecrets driver's
    32  	// URLOpener, which implements secrets.KeeperURLOpener:
    33  	// import _ "github.com/cornelk/go-cloud/secrets/localsecrets"
    34  	// localsecrets registers for the "base64key" scheme.
    35  	// All secrets.OpenKeeper URLs also work with "secrets+" or "secrets+keeper+" prefixes,
    36  	// e.g., "secrets+base64key://..." or "secrets+variable+base64key://...".
    37  	// All secrets URLs also work with the "secrets+" prefix, e.g., "secrets+base64key://".
    38  	k, err := secrets.OpenKeeper(ctx, "base64key://smGbjm71Nxd1Ig5FS0wj9SlbzAIrnolCz9bQQ6uAhl4=")
    39  	if err != nil {
    40  		log.Fatal(err)
    41  	}
    42  	defer k.Close()
    43  
    44  	// Now we can use k to encrypt/decrypt.
    45  	plaintext := []byte("Go CDK Secrets")
    46  	ciphertext, err := k.Encrypt(ctx, plaintext)
    47  	if err != nil {
    48  		log.Fatal(err)
    49  	}
    50  	decrypted, err := k.Decrypt(ctx, ciphertext)
    51  	if err != nil {
    52  		log.Fatal(err)
    53  	}
    54  	fmt.Println(string(decrypted))
    55  
    56  	// Output:
    57  	// Go CDK Secrets
    58  }