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[api-baggage] revert space encoding change #5687

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merged 5 commits into from
Jun 12, 2024
Merged

[api-baggage] revert space encoding change #5687

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b14e6b3
revert space encoding change
lachmatt Jun 11, 2024
e474fa7
Update src/OpenTelemetry.Api/CHANGELOG.md
lachmatt Jun 11, 2024
6b04b9b
changelog formatting fix
lachmatt Jun 11, 2024
d8c2798
Merge branch 'main' into revert-baggage-space-encoding
CodeBlanch Jun 11, 2024
a0d4af5
Merge branch 'main' into revert-baggage-space-encoding
CodeBlanch Jun 12, 2024
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3 changes: 3 additions & 0 deletions src/OpenTelemetry.Api/CHANGELOG.md
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Expand Up @@ -2,6 +2,9 @@

## Unreleased

* **Breaking change:** Revert space character encoding change from `+` to `%20`
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Add this PR # as well.

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Added in e474fa7

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Please add more information about why we're reverting this change to the changelog or PR description. Something to the effect of "... because the fix did not properly address the inconsistency with the baggage spec. We will address this issue more completely in a later release"

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PR description updated.

for baggage item values from [#5303](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5303)
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## 1.9.0-rc.1

Released 2024-Jun-07
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7 changes: 4 additions & 3 deletions src/OpenTelemetry.Api/Context/Propagation/BaggagePropagator.cs
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@@ -1,6 +1,7 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

using System.Net;
using System.Text;
using OpenTelemetry.Internal;

Expand Down Expand Up @@ -93,7 +94,7 @@ public override void Inject<T>(PropagationContext context, T carrier, Action<T,
continue;
}

baggage.Append(Uri.EscapeDataString(item.Key)).Append('=').Append(Uri.EscapeDataString(item.Value)).Append(',');
baggage.Append(WebUtility.UrlEncode(item.Key)).Append('=').Append(WebUtility.UrlEncode(item.Value)).Append(',');
}
while (e.MoveNext() && ++itemCount < MaxBaggageItems && baggage.Length < MaxBaggageLength);
baggage.Remove(baggage.Length - 1, 1);
Expand Down Expand Up @@ -140,8 +141,8 @@ internal static bool TryExtractBaggage(string[] baggageCollection, out Dictionar
continue;
}

var key = Uri.UnescapeDataString(parts[0]);
var value = Uri.UnescapeDataString(parts[1]);
var key = WebUtility.UrlDecode(parts[0]);
var value = WebUtility.UrlDecode(parts[1]);

if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(value))
{
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17 changes: 4 additions & 13 deletions test/OpenTelemetry.Api.Tests/Trace/Propagation/BaggagePropagatorTest.cs
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Expand Up @@ -131,9 +131,7 @@ public void ValidateSpecialCharsBaggageExtraction()
Assert.Equal("key%28%293", escapedKey);
Assert.Equal("value%28%29%21%26%3B%3A", escapedValue);

var initialBaggage =
$"key%201=value%201,{encodedKey}={encodedValue},{escapedKey}={escapedValue},key4=%20%21%22%23%24%25%26%27%28%29%2A%2B%2C-.%2F0123456789%3A%3B%3C%3D%3E%3F%40ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D~";

var initialBaggage = $"key+1=value+1,{encodedKey}={encodedValue},{escapedKey}={escapedValue}";
var carrier = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string, string>(BaggagePropagator.BaggageHeaderName, initialBaggage),
Expand All @@ -144,11 +142,11 @@ public void ValidateSpecialCharsBaggageExtraction()
Assert.False(propagationContext == default);
Assert.True(propagationContext.ActivityContext == default);

Assert.Equal(4, propagationContext.Baggage.Count);
Assert.Equal(3, propagationContext.Baggage.Count);

var actualBaggage = propagationContext.Baggage.GetBaggage();

Assert.Equal(4, actualBaggage.Count);
Assert.Equal(3, actualBaggage.Count);

Assert.True(actualBaggage.ContainsKey("key 1"));
Assert.Equal("value 1", actualBaggage["key 1"]);
Expand All @@ -158,10 +156,6 @@ public void ValidateSpecialCharsBaggageExtraction()

Assert.True(actualBaggage.ContainsKey("key()3"));
Assert.Equal("value()!&;:", actualBaggage["key()3"]);

// x20-x7E range
Assert.True(actualBaggage.ContainsKey("key4"));
Assert.Equal(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", actualBaggage["key4"]);
}

[Fact]
Expand Down Expand Up @@ -201,14 +195,11 @@ public void ValidateSpecialCharsBaggageInjection()
{
{ "key 1", "value 1" },
{ "key2", "!x_x,x-x&x(x\");:" },

// x20-x7E range
{ "key3", " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~" },
}));

this.baggage.Inject(propagationContext, carrier, Setter);

Assert.Single(carrier);
Assert.Equal("key%201=value%201,key2=%21x_x%2Cx-x%26x%28x%22%29%3B%3A,key3=%20%21%22%23%24%25%26%27%28%29%2A%2B%2C-.%2F0123456789%3A%3B%3C%3D%3E%3F%40ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D~", carrier[BaggagePropagator.BaggageHeaderName]);
Assert.Equal("key+1=value+1,key2=!x_x%2Cx-x%26x(x%22)%3B%3A", carrier[BaggagePropagator.BaggageHeaderName]);
}
}
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