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Add osu! OAuth 2.0 provider integration #1

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Merged
gehongyan merged 8 commits into from
Dec 8, 2025
Merged

Add osu! OAuth 2.0 provider integration #1

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543bba1
Initial plan
Copilot Dec 7, 2025
7371f63
Add osu! OAuth 2.0 provider to OpenIddict WebIntegration
Copilot Dec 7, 2025
3c626e3
Fix osu! provider: add client_credentials scope, mode parameter, remo…
Copilot Dec 7, 2025
6087c45
Reorder osu! handlers to follow alphabetical order by ProviderTypes
Copilot Dec 8, 2025
61ffd37
Fix OSU! ASCII art banner to correctly spell the provider name
Copilot Dec 8, 2025
8be6aec
Update osu! banner and add default mode description
Copilot Dec 8, 2025
5cd2ac4
Use mode as path parameter in UserInfo endpoint URL
Copilot Dec 8, 2025
968d2bc
Wrap ternary expression in parentheses for C# template string
Copilot Dec 8, 2025
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7 changes: 7 additions & 0 deletions src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationHandlers.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -666,6 +666,13 @@ public ValueTask HandleAsync(ProcessAuthenticationContext context)
context.TokenRequest.UserCode = code;
}

// osu! requires the "public" scope for client credentials grant, as tokens without scopes are invalid.
else if (context.GrantType is GrantTypes.ClientCredentials &&
context.Registration.ProviderType is ProviderTypes.Osu)
{
context.TokenRequest.Scope = "public";
}

// VK ID requires attaching a non-standard "device_id" parameter to all token requests.
//
// This parameter is either resolved from the authorization response (for the authorization
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29 changes: 29 additions & 0 deletions src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationProviders.xml
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Expand Up @@ -1747,6 +1747,35 @@
ConfigurationEndpoint="https://api.orange.com/openidconnect/fr/v1/.well-known/openid-configuration" />
</Provider>

<!--
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-->

<Provider Name="Osu" DisplayName="osu!" Id="924114e6-6334-4124-bbf9-46cd5458da25"
Documentation="https://osu.ppy.sh/docs/index.html#client-credentials-grant">
<Environment Issuer="https://osu.ppy.sh/">
<Configuration AuthorizationEndpoint="https://osu.ppy.sh/oauth/authorize"
TokenEndpoint="https://osu.ppy.sh/oauth/token"
UserInfoEndpoint="{(string.IsNullOrEmpty(settings.GameMode) ? 'https://osu.ppy.sh/api/v2/me' : $'https://osu.ppy.sh/api/v2/me/{settings.GameMode}')}">
<GrantType Value="authorization_code" />
<GrantType Value="client_credentials" />
<GrantType Value="refresh_token" />
</Configuration>
</Environment>

<Constant Class="GameModes" Value="osu" Name="Standard" />
<Constant Class="GameModes" Value="taiko" Name="Taiko" />
<Constant Class="GameModes" Value="fruits" Name="Fruits" />
<Constant Class="GameModes" Value="mania" Name="Mania" />

<Setting PropertyName="GameMode" ParameterName="mode" Type="String" Required="false"
Description="The game mode to retrieve statistics for (e.g., 'osu', 'taiko', 'fruits', 'mania'). User default mode will be used if not specified." />
</Provider>

<!--
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