Use 127.0.0.1 redirect over localhost for GitHub #1286
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Use an IPv4 loopback redirect URL instead of the `localhost` name. This is in accordance with the recommendation in the OAuth spec[1] and also GitHub's documentation[2]. Note that this change depends on an update to the Git Credential Manager OAuth application on GitHub to add the "http://127.0.0.1/" redirect (with a trailing slash!). We will be strictly adding the new URL, and keep the older localhost-based redirect URL untouched for older clients. [1] https://datatracker.ietf.org/doc/html/rfc8252#section-7.3 [2] https://docs.github.com/en/apps/oauth-apps/building-oauth-apps/authorizing-oauth-apps#loopback-redirect-urls
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**Changes:** - Use in-proc methods for getting OS version number (#1240, #1264) - Update System.CommandLine (#1265) - Suppress GUI from command-line argument (#1267) - Add github (login|logout|list) commands (#1267) - cURL Cookie file support (#1251) - Update target framework on Mac/Linux to .NET 7 (#1274, #1282) - Replace JSON.NET with System.Text.Json (#1274) - Preserve exact redirect URI formatting in OAuth requests (#1281) - Use IP localhost redirect for GitHub (#1286) - Use WWW-Authenticate headers from Git for Azure Repos authority (#1288) - Better GitHub Enterprise Managed User (EMU) account support (#1190)
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Use an IPv4 loopback redirect URL instead of the
localhostname. This is in accordance with the recommendation in the OAuth spec12 and also GitHub's documentation3.Note that this change depends on an update to the Git Credential Manager OAuth application on GitHub to add the "http://127.0.0.1/" redirect (with a trailing slash!). We will be strictly adding the new URL, and keep the older localhost-based redirect URL untouched for older clients.
The change to the OAuth app registration can occur before this is merged.
Fixes #594
Footnotes
https://datatracker.ietf.org/doc/html/rfc8252#section-7.3 ↩
https://datatracker.ietf.org/doc/html/rfc8252#section-8.3 ↩
https://docs.github.com/en/apps/oauth-apps/building-oauth-apps/authorizing-oauth-apps#loopback-redirect-urls ↩