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Merge pull request #30 from ChangemakerStudios/feature/Modernizing
Merging this monkey... wish me luck.
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55 changes: 55 additions & 0 deletions
55
...Docker.Registry.DotNet/Application/Authentication/AnonymousOAuthAuthenticationProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // Copyright 2017-2022 Rich Quackenbush, Jaben Cargman | ||
| // and Docker.Registry.DotNet Contributors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| using Docker.Registry.DotNet.Application.OAuth; | ||
|
|
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| namespace Docker.Registry.DotNet.Application.Authentication; | ||
|
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| [PublicAPI] | ||
| public class AnonymousOAuthAuthenticationProvider : AuthenticationProvider | ||
| { | ||
| private readonly OAuthClient _client = new(); | ||
|
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| private static string Schema { get; } = "Bearer"; | ||
|
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| public override Task Authenticate(HttpRequestMessage request, IRegistryUriBuilder uriBuilder) | ||
| { | ||
| using var activity = Assembly.Source.StartActivity("AnonymousOAuthAuthenticationProvider.Authenticate(request)"); | ||
|
|
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| return Task.CompletedTask; | ||
| } | ||
|
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| public override async Task Authenticate( | ||
| HttpRequestMessage request, | ||
| HttpResponseMessage response, | ||
| IRegistryUriBuilder uriBuilder) | ||
| { | ||
| using var activity = Assembly.Source.StartActivity("AnonymousOAuthAuthenticationProvider.Authenticate(request, response)"); | ||
|
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| var header = this.TryGetSchemaHeader(response, Schema); | ||
|
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| //Get the bearer bits | ||
| var bearerBits = AuthenticateParser.ParseTyped(header.Parameter); | ||
|
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| //Get the token | ||
| var token = await this._client.GetToken( | ||
| bearerBits.Realm, | ||
| bearerBits.Service, | ||
| bearerBits.Scope); | ||
|
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| //Set the header | ||
| request.Headers.Authorization = new AuthenticationHeaderValue(Schema, token.Token); | ||
| } | ||
| } |
109 changes: 109 additions & 0 deletions
109
src/Docker.Registry.DotNet/Application/Authentication/AuthenticateParser.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| // Copyright 2017-2022 Rich Quackenbush, Jaben Cargman | ||
| // and Docker.Registry.DotNet Contributors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| namespace Docker.Registry.DotNet.Application.Authentication; | ||
|
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| internal static class AuthenticateParser | ||
| { | ||
| public static IDictionary<string, string> Parse(string value) | ||
| { | ||
| //https://stackoverflow.com/questions/45516717/extracting-and-parsing-the-www-authenticate-header-from-httpresponsemessage-in/45516809#45516809 | ||
| return SplitWWWAuthenticateHeader(value).ToDictionary(GetKey, GetValue); | ||
| } | ||
|
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| private static IEnumerable<string> SplitWWWAuthenticateHeader(string value) | ||
| { | ||
| var builder = new StringBuilder(); | ||
| var inQuotes = false; | ||
| for (var i = 0; i < value.Length; i++) | ||
| { | ||
| var charI = value[i]; | ||
| switch (charI) | ||
| { | ||
| case '\"': | ||
| if (inQuotes) | ||
| { | ||
| yield return builder.ToString(); | ||
| builder.Clear(); | ||
| inQuotes = false; | ||
| } | ||
| else | ||
| { | ||
| inQuotes = true; | ||
| } | ||
|
|
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| break; | ||
|
|
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| case ',': | ||
| if (inQuotes) | ||
| { | ||
| builder.Append(charI); | ||
| } | ||
| else | ||
| { | ||
| if (builder.Length > 0) | ||
| { | ||
| yield return builder.ToString(); | ||
| builder.Clear(); | ||
| } | ||
| } | ||
|
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| break; | ||
|
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| default: | ||
| builder.Append(charI); | ||
| break; | ||
| } | ||
| } | ||
|
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| if (builder.Length > 0) yield return builder.ToString(); | ||
| } | ||
|
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| public static ParsedAuthentication ParseTyped(string value) | ||
| { | ||
| var parsed = Parse(value); | ||
|
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| return new ParsedAuthentication( | ||
| parsed.GetValueOrDefault("realm"), | ||
| parsed.GetValueOrDefault("service"), | ||
| parsed.GetValueOrDefault("scope")); | ||
| } | ||
|
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| private static string GetKey(string pair) | ||
| { | ||
| var equalPos = pair.IndexOf("=", StringComparison.Ordinal); | ||
|
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| if (equalPos < 1) | ||
| throw new FormatException("No '=' found."); | ||
|
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| return pair.Substring(0, equalPos); | ||
| } | ||
|
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| private static string GetValue(string pair) | ||
| { | ||
| var equalPos = pair.IndexOf("=", StringComparison.Ordinal); | ||
|
|
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| if (equalPos < 1) | ||
| throw new FormatException("No '=' found."); | ||
|
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| var value = pair.Substring(equalPos + 1).Trim(); | ||
|
|
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| //Trim quotes | ||
| if (value.StartsWith("\"") && value.EndsWith("\"")) | ||
| value = value.Substring(1, value.Length - 2); | ||
|
|
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| return value; | ||
| } | ||
| } |
61 changes: 61 additions & 0 deletions
61
src/Docker.Registry.DotNet/Application/Authentication/AuthenticationProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // Copyright 2017-2022 Rich Quackenbush, Jaben Cargman | ||
| // and Docker.Registry.DotNet Contributors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| namespace Docker.Registry.DotNet.Application.Authentication; | ||
|
|
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| /// <summary> | ||
| /// Authentication provider. | ||
| /// </summary> | ||
| public abstract class AuthenticationProvider | ||
| { | ||
| /// <summary> | ||
| /// Called on initial connection | ||
| /// </summary> | ||
| /// <param name="request"></param> | ||
| /// <param name="uriBuilder"></param> | ||
| /// <returns></returns> | ||
| public abstract Task Authenticate(HttpRequestMessage request, IRegistryUriBuilder uriBuilder); | ||
|
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| /// <summary> | ||
| /// Called when connection is challenged. | ||
| /// </summary> | ||
| /// <param name="request"></param> | ||
| /// <param name="response"></param> | ||
| /// <param name="builder"></param> | ||
| /// <returns></returns> | ||
| public abstract Task Authenticate( | ||
| HttpRequestMessage request, | ||
| HttpResponseMessage response, | ||
| IRegistryUriBuilder builder); | ||
|
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| /// <summary> | ||
| /// Gets the schema header from the http response. | ||
| /// </summary> | ||
| /// <param name="response"></param> | ||
| /// <param name="schema"></param> | ||
| /// <returns></returns> | ||
| protected AuthenticationHeaderValue TryGetSchemaHeader( | ||
| HttpResponseMessage response, | ||
| string schema) | ||
| { | ||
| var header = response.GetHeaderBySchema(schema); | ||
|
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| if (header == null) | ||
| throw new InvalidOperationException( | ||
| $"No WWW-Authenticate challenge was found for schema {schema}"); | ||
|
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| return header; | ||
| } | ||
| } |
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