github.com/Psiphon-Labs/net@v0.0.0-20191204183604-f5d60dada742/xsrftoken/xsrf_test.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package xsrftoken
     6  
     7  import (
     8  	"encoding/base64"
     9  	"testing"
    10  	"time"
    11  )
    12  
    13  const (
    14  	key      = "quay"
    15  	userID   = "12345678"
    16  	actionID = "POST /form"
    17  )
    18  
    19  var (
    20  	now              = time.Now()
    21  	oneMinuteFromNow = now.Add(1 * time.Minute)
    22  )
    23  
    24  func TestValidToken(t *testing.T) {
    25  	tok := generateTokenAtTime(key, userID, actionID, now)
    26  	if !validTokenAtTime(tok, key, userID, actionID, oneMinuteFromNow) {
    27  		t.Error("One second later: Expected token to be valid")
    28  	}
    29  	if !validTokenAtTime(tok, key, userID, actionID, now.Add(Timeout-1*time.Nanosecond)) {
    30  		t.Error("Just before timeout: Expected token to be valid")
    31  	}
    32  	if !validTokenAtTime(tok, key, userID, actionID, now.Add(-1*time.Minute+1*time.Millisecond)) {
    33  		t.Error("One minute in the past: Expected token to be valid")
    34  	}
    35  }
    36  
    37  // TestSeparatorReplacement tests that separators are being correctly substituted
    38  func TestSeparatorReplacement(t *testing.T) {
    39  	separatorTests := []struct {
    40  		name   string
    41  		token1 string
    42  		token2 string
    43  	}{
    44  		{
    45  			"Colon",
    46  			generateTokenAtTime("foo:bar", "baz", "wah", now),
    47  			generateTokenAtTime("foo", "bar:baz", "wah", now),
    48  		},
    49  		{
    50  			"Colon and Underscore",
    51  			generateTokenAtTime("key", ":foo:", "wah", now),
    52  			generateTokenAtTime("key", "_foo_", "wah", now),
    53  		},
    54  		{
    55  			"Colon and Double Colon",
    56  			generateTokenAtTime("key", ":foo:", "wah", now),
    57  			generateTokenAtTime("key", "::foo::", "wah", now),
    58  		},
    59  	}
    60  
    61  	for _, st := range separatorTests {
    62  		if st.token1 == st.token2 {
    63  			t.Errorf("%v: Expected generated tokens to be different", st.name)
    64  		}
    65  	}
    66  }
    67  
    68  func TestInvalidToken(t *testing.T) {
    69  	invalidTokenTests := []struct {
    70  		name, key, userID, actionID string
    71  		t                           time.Time
    72  	}{
    73  		{"Bad key", "foobar", userID, actionID, oneMinuteFromNow},
    74  		{"Bad userID", key, "foobar", actionID, oneMinuteFromNow},
    75  		{"Bad actionID", key, userID, "foobar", oneMinuteFromNow},
    76  		{"Expired", key, userID, actionID, now.Add(Timeout + 1*time.Millisecond)},
    77  		{"More than 1 minute from the future", key, userID, actionID, now.Add(-1*time.Nanosecond - 1*time.Minute)},
    78  	}
    79  
    80  	tok := generateTokenAtTime(key, userID, actionID, now)
    81  	for _, itt := range invalidTokenTests {
    82  		if validTokenAtTime(tok, itt.key, itt.userID, itt.actionID, itt.t) {
    83  			t.Errorf("%v: Expected token to be invalid", itt.name)
    84  		}
    85  	}
    86  }
    87  
    88  // TestValidateBadData primarily tests that no unexpected panics are triggered
    89  // during parsing
    90  func TestValidateBadData(t *testing.T) {
    91  	badDataTests := []struct {
    92  		name, tok string
    93  	}{
    94  		{"Invalid Base64", "ASDab24(@)$*=="},
    95  		{"No delimiter", base64.URLEncoding.EncodeToString([]byte("foobar12345678"))},
    96  		{"Invalid time", base64.URLEncoding.EncodeToString([]byte("foobar:foobar"))},
    97  		{"Wrong length", "1234" + generateTokenAtTime(key, userID, actionID, now)},
    98  	}
    99  
   100  	for _, bdt := range badDataTests {
   101  		if validTokenAtTime(bdt.tok, key, userID, actionID, oneMinuteFromNow) {
   102  			t.Errorf("%v: Expected token to be invalid", bdt.name)
   103  		}
   104  	}
   105  }