github.com/SmartMeshFoundation/Spectrum@v0.0.0-20220621030607-452a266fee1e/whisper/whisperv2/envelope_test.go (about)

     1  // Copyright 2015 The Spectrum Authors
     2  // This file is part of the Spectrum library.
     3  //
     4  // The Spectrum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The Spectrum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the Spectrum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package whisperv2
    18  
    19  import (
    20  	"bytes"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/SmartMeshFoundation/Spectrum/crypto"
    25  	"github.com/SmartMeshFoundation/Spectrum/crypto/ecies"
    26  )
    27  
    28  func TestEnvelopeOpen(t *testing.T) {
    29  	payload := []byte("hello world")
    30  	message := NewMessage(payload)
    31  
    32  	envelope, err := message.Wrap(DefaultPoW, Options{})
    33  	if err != nil {
    34  		t.Fatalf("failed to wrap message: %v", err)
    35  	}
    36  	opened, err := envelope.Open(nil)
    37  	if err != nil {
    38  		t.Fatalf("failed to open envelope: %v", err)
    39  	}
    40  	if opened.Flags != message.Flags {
    41  		t.Fatalf("flags mismatch: have %d, want %d", opened.Flags, message.Flags)
    42  	}
    43  	if !bytes.Equal(opened.Signature, message.Signature) {
    44  		t.Fatalf("signature mismatch: have 0x%x, want 0x%x", opened.Signature, message.Signature)
    45  	}
    46  	if !bytes.Equal(opened.Payload, message.Payload) {
    47  		t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, message.Payload)
    48  	}
    49  	if opened.Sent.Unix() != message.Sent.Unix() {
    50  		t.Fatalf("send time mismatch: have %v, want %v", opened.Sent, message.Sent)
    51  	}
    52  	if opened.TTL/time.Second != DefaultTTL/time.Second {
    53  		t.Fatalf("message TTL mismatch: have %v, want %v", opened.TTL, DefaultTTL)
    54  	}
    55  
    56  	if opened.Hash != envelope.Hash() {
    57  		t.Fatalf("message hash mismatch: have 0x%x, want 0x%x", opened.Hash, envelope.Hash())
    58  	}
    59  }
    60  
    61  func TestEnvelopeAnonymousOpenUntargeted(t *testing.T) {
    62  	payload := []byte("hello envelope")
    63  	envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{})
    64  	if err != nil {
    65  		t.Fatalf("failed to wrap message: %v", err)
    66  	}
    67  	opened, err := envelope.Open(nil)
    68  	if err != nil {
    69  		t.Fatalf("failed to open envelope: %v", err)
    70  	}
    71  	if opened.To != nil {
    72  		t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
    73  	}
    74  	if !bytes.Equal(opened.Payload, payload) {
    75  		t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
    76  	}
    77  }
    78  
    79  func TestEnvelopeAnonymousOpenTargeted(t *testing.T) {
    80  	key, err := crypto.GenerateKey()
    81  	if err != nil {
    82  		t.Fatalf("failed to generate test identity: %v", err)
    83  	}
    84  
    85  	payload := []byte("hello envelope")
    86  	envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{
    87  		To: &key.PublicKey,
    88  	})
    89  	if err != nil {
    90  		t.Fatalf("failed to wrap message: %v", err)
    91  	}
    92  	opened, err := envelope.Open(nil)
    93  	if err != nil {
    94  		t.Fatalf("failed to open envelope: %v", err)
    95  	}
    96  	if opened.To != nil {
    97  		t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
    98  	}
    99  	if bytes.Equal(opened.Payload, payload) {
   100  		t.Fatalf("payload match, should have been encrypted: 0x%x", opened.Payload)
   101  	}
   102  }
   103  
   104  func TestEnvelopeIdentifiedOpenUntargeted(t *testing.T) {
   105  	key, err := crypto.GenerateKey()
   106  	if err != nil {
   107  		t.Fatalf("failed to generate test identity: %v", err)
   108  	}
   109  
   110  	payload := []byte("hello envelope")
   111  	envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{})
   112  	if err != nil {
   113  		t.Fatalf("failed to wrap message: %v", err)
   114  	}
   115  	opened, err := envelope.Open(key)
   116  	switch err {
   117  	case nil:
   118  		t.Fatalf("envelope opened with bad key: %v", opened)
   119  
   120  	case ecies.ErrInvalidPublicKey:
   121  		// Ok, key mismatch but opened
   122  
   123  	default:
   124  		t.Fatalf("failed to open envelope: %v", err)
   125  	}
   126  
   127  	if opened.To != nil {
   128  		t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
   129  	}
   130  	if !bytes.Equal(opened.Payload, payload) {
   131  		t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
   132  	}
   133  }
   134  
   135  func TestEnvelopeIdentifiedOpenTargeted(t *testing.T) {
   136  	key, err := crypto.GenerateKey()
   137  	if err != nil {
   138  		t.Fatalf("failed to generate test identity: %v", err)
   139  	}
   140  
   141  	payload := []byte("hello envelope")
   142  	envelope, err := NewMessage(payload).Wrap(DefaultPoW, Options{
   143  		To: &key.PublicKey,
   144  	})
   145  	if err != nil {
   146  		t.Fatalf("failed to wrap message: %v", err)
   147  	}
   148  	opened, err := envelope.Open(key)
   149  	if err != nil {
   150  		t.Fatalf("failed to open envelope: %v", err)
   151  	}
   152  	if opened.To != nil {
   153  		t.Fatalf("recipient mismatch: have 0x%x, want nil", opened.To)
   154  	}
   155  	if !bytes.Equal(opened.Payload, payload) {
   156  		t.Fatalf("payload mismatch: have 0x%x, want 0x%x", opened.Payload, payload)
   157  	}
   158  }