thepraandClaude Opus 5.5
cff75e3a47
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Completion program R2 (docs/ROADMAP.md, 2026-10-17).
- An email address is set only with the password and a 6-digit code sent to it: /clientapi/user/email, /email/verify,
/email/remove and GET /clientapi/user/account (EmailVerification: an hour, five tries, the code's hash only;
EmailVerificationJob through the new IMailer). The request answers one sentence whether or not the address is free,
and nothing goes to an address another login verified. The old POST /clientapi/user/update, which changed the
address with neither and said when one was taken, answers 422.
- Recovery writes only to a verified address; migration _019 keeps the addresses given before verification existed.
- A changed password ends every session and every persona token, and answers a new JWT for the device that changed it.
- Sessions: every JWT carries its session's id ("si", kept by sniff/again). GET /clientapi/user/logout, which did
nothing, ends that session alone (RootUser.EndedSessions, until its tokens would expire); POST
/clientapi/user/logout/everywhere ends them all.
- AppConfiguration:HashingOptions was never bound, so passwords were hashed at the default 9789 iterations: it is
bound now, at 210,000, and a hash made at other iterations is made again at the next sign-in (matched on the old
hash, so two sign-ins never undo each other).
- Recovery and verification codes expire through TTL indexes; EmailVerification is never in a backup.
- AppConfigurationService reads appsettings as they are now, not the copy older builds saved in Mongo on first boot.
- ViewUserSettings and RootUserSettings carry SavedAt, so a client signing in keeps its own theme until one saved.
- Pasture: peers/mailpit.sh (Mailpit 1.31.4 as mailpit.test) receives PrivaPub's mail; recovery links open
https://decepub.test. scenarios/accounts.sh, in sweep batch A, checks all of the above (28 checks).
Verified: dotnet build PrivaPub.sln -c Release; the pasture with gts and mailpit: accounts 28/28 and gts, 91 passed,
0 failed.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WpVCoDeM1qUTRp4fXQdfof
57 lines
2.5 KiB
C#
57 lines
2.5 KiB
C#
using Microsoft.IdentityModel.JsonWebTokens;
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using Microsoft.IdentityModel.Tokens;
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using PrivaPub.Extensions;
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using PrivaPub.Models.User;
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using PrivaPub.StaticServices;
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using System.Security.Claims;
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using System.Text;
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namespace PrivaPub.Services
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{
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// The /clientapi token: how it is validated (JwtBearer through AddPrivaPubAuth, and the persona token exchange on
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// /oauth/token), and when a valid one can no longer be used. One place, so the two never drift apart.
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public static class RootJwt
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{
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public static TokenValidationParameters Parameters(IConfiguration configuration) => new()
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{
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ValidateIssuer = true,
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ValidateAudience = true,
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ValidateLifetime = true,
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ValidateIssuerSigningKey = true,
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ValidIssuer = configuration["AppConfiguration:Jwt:Issuer"],
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ValidAudience = configuration["AppConfiguration:Jwt:Audience"],
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IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(configuration["AppConfiguration:Jwt:Key"]))
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};
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//why a token that validated can no longer be used, or default when it can: a token outlives a ban, a removal and a
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//password recovery (RootSessions gives the root a new stamp), so the database has the last word
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public static string Refusal(RootUser root, ClaimsPrincipal principal)
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{
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if (root is not { IsBanned: false, DeletedAt: null })
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return "The account can no longer be used.";
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if ((root.SessionStamp ?? string.Empty) != (principal.FindFirst(AuthTokenManager.SessionStamp)?.Value ?? string.Empty))
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return "The account's sessions were ended.";
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var sessionId = principal.FindFirst(AuthTokenManager.SessionId)?.Value;
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if (!string.IsNullOrEmpty(sessionId) && root.EndedSessions.Any(s => s.Sid == sessionId))
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return "The session was signed out.";
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return default;
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}
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//the root a token belongs to, when the token is valid and can still be used; default otherwise, never an exception
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public static async Task<RootUser> Root(string jwt, IConfiguration configuration, DbEntities dbEntities, CancellationToken token)
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{
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if (string.IsNullOrEmpty(jwt))
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return default;
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var result = await new JsonWebTokenHandler { MapInboundClaims = false }.ValidateTokenAsync(jwt, Parameters(configuration));
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if (!result.IsValid)
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return default;
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var principal = new ClaimsPrincipal(result.ClaimsIdentity);
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var rootId = principal.GetUserId();
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var root = string.IsNullOrEmpty(rootId) ? default : await dbEntities.RootUsers.MatchID(rootId).ExecuteFirstAsync(token);
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return Refusal(root, principal) == default ? root : default;
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}
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}
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}
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