38d8706784e16f9788459813df54098b934edd06
10
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
  jaap-janandClaude Opus 5
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a43286ece8 |
Let a team change hands, and be joined by somebody with no account yet
M3 built teams and stopped short of the two operations that decide who controls one. Both were written down as refusals rather than omissions: ADR 0009 listed ownership transfer under "deliberately not built", and design-import-gaps said an invitation needed "a token with a lifetime and an outbound mail path". One of those reasons had expired and the other never applied — an invitation does not need a token if it is not a thing anybody presents. Handing a team over is one write. The member you name becomes owner and you become an admin, in a single transaction, because ownership is sole: promoting first leaves the team owned twice, demoting first leaves it owned by nobody, and there is nobody left with the authority to finish a transfer that stopped in the middle. That is also why it is not two calls to the role endpoint, which refuses Owner outright. The outgoing owner is demoted rather than removed — removing them would revoke their vault key grants and flag every team vault for rekey, which is a far larger act than the one asked for, and somebody handing over a team is usually staying in it. It unblocks the thing that was impossible before: an owner can now leave, by handing the team on first. An invitation is a standing instruction rather than a message. This server has no outbound mail path, so nothing is sent and there is nothing for the invitee to present. The row says the next account signing in with that address joins this team at this role, and telling them to sign in is the caller's job over a channel this server does not carry. A link nobody can deliver would be worse than none. It lives in its own table rather than becoming a membership with MembershipStatus.Invited, and that member stays unwritten for the reason it always was: team_membership.user_id is not nullable and carries a foreign key, so somebody who has never signed in has nothing for that row to point at. Widening it would make the unique index on (team, user) meaningless, because PostgreSQL counts every NULL as distinct. Verification is the security boundary, and nothing in this server read it before. A claim requires the access token to assert email_verified. An invitation decides what the server will serve, so one claimable by anybody able to obtain a token carrying somebody else's address is a way into a team — which is precisely the attack OidcOptions.AllowEmailLinking exists to refuse, and it would have been reintroduced by the back door. There is deliberately no setting that relaxes it: a flag that exists is one somebody turns on for the afternoon their provider is misconfigured. Absence is refused rather than trusted, and logged, because a provider that never sends the claim otherwise leaves every invitation pending with nothing anywhere saying why. Claiming happens at just-in-time provisioning and again on an hourly sweep. The sweep is what makes it recoverable rather than one-shot — an invitation issued between an account being created and that person next signing in would otherwise be stranded for ever — and it shares its rate with the last-seen write because both are housekeeping nobody is waiting on. Archiving is refused while a team owns a vault, and that refusal is the end of the road rather than a step on it. A team vault is readable because of membership, so archiving one that still owned vaults would take them away from everybody holding a key, including the caller, quietly and all at once. Nothing in this product deletes a vault, so no order of operations gets past it today — which is stated with a count of what is in the way, for the reason the SFTP layer refuses a recursive delete: a refusal is visible and a quiet removal is not. It is owner-only, as handing over is; renaming is not, because a rename is visible to everybody and reversible by anybody who can do it. The slug is not renameable at all: it is unique only among live teams, so a rename could take one an archived team is still holding, and that team could then never be restored. LAST ACTIVE is real and coarse on purpose. UserAccount.LastSeenAtUtc is refreshed on ordinary authenticated requests, at most once per account per hour, through ExecuteUpdateAsync — user_account carries the xmin concurrency token, so a read-then-write on the hot path would start losing races between one user's own overlapping requests. An hour is the granularity the question is actually asked at, and the interface draws it to the day rather than the minute so it does not read as a precision that is not there. The remarks in Contracts and in the view model that argued at length for the column's absence are rewritten rather than extended; both had become false. Two endpoints already existed and nothing called them. ChangeTeamMemberRole and ListVaultGrants have been reachable since M3. The role picker refuses Owner itself rather than letting the server do it, since the interface already knew the rule; the key-holder list sits under the vault rather than beside the member, because a grant is per vault and a count on a member row would imply per-item sharing, which is M5. It lists withdrawn and stale grants and says which they are — a list that dropped them would show a departed colleague as merely absent rather than as somebody whose key was taken away — and staleness is decided by comparing generations, since a grant can be Active and still open nothing. ADD MEMBER stopped being a dead end. An address the directory did not know used to end at a sentence telling the user their colleague had to sign in first. It invites them instead, from the same button, because which of the two applies is a fact about the server's account table rather than about what the user is doing; which one happened is reported afterwards, because that decides what they do next. An address that merely has an account is invited rather than refused: refusing would have made the endpoint an oracle for which addresses have accounts here, answerable by anybody willing to create a team first. The phone has a TEAMS screen, behind MORE, and it is the reverse of every other row in design-import-gaps: a shipped screen the design had no slot for. It is there because an invitation is claimed by signing in, so somebody told they are now in a team is at least as likely to be holding a phone — and a membership visible only on a head they never installed is one they cannot see. It draws SHARE KEY and nothing that takes something away: wrapping a key is the one act on that screen a server cannot perform at all, and the desktop guards its revocations with a tooltip, which is a control a touch screen cannot show. Two defects were found by an adversarial pass and both were green against the whole suite at the time. The owner-only check on archiving and handing over had been weakened to the admin check while their messages and comments still said owner — and since nothing behind the archive endpoint re-checks it, an admin the owner had promoted could have archived the team out from under them. And the rename endpoint built its response with a hardcoded Owner role, so an admin who renamed a team was handed a summary claiming they owned it, and a client trusting that instead of re-listing would have offered them the two owner-only buttons the server then refuses. The new table gets its constraints tested rather than merely migrated: live uniqueness per (team, address), the citext proof that an address typed by a person matches one cased by a provider, and reissue after both revocation and acceptance. The teams screen gets its first entries in the layout suite, at the minimum window with every list populated and with each of the two states that cover half of it — it had none, and it just grew four sections and a second line in the member row. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> |
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jaap-janandClaude Opus 5
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8a568117df |
Give the API an image, and unbreak the restore that had to run first
registry-docker.dodotech.cloud/dodotech/dodossh-api, built and pushed by a third ci job
that needs the first. Gating on the tests costs a few minutes on every main commit and buys
the only thing worth having here: an image is not an artefact somebody inspects before
using it, so a red commit must not be able to produce one. Pull requests build the image
and stop, which is where a broken Dockerfile should be found.
Tags are :sha-<short> on every build, :main on main, and for a v* tag :1.2.3, :1.2 and
:latest — the last two only when the version has no prerelease suffix, since v1.3.0-rc1
sorts above v1.2.9 and would otherwise walk :latest onto somebody's server. Only sha- is
immutable, and it is the one to pin a deployment to.
No docker/* actions. The build is single-architecture, so it needs the daemon this runner
already has for the Testcontainers suites and nothing else — no buildx, no QEMU, and no
third-party action whose SHA has to be audited and re-pinned. Step outputs and secrets
reach the shell through env rather than ${{ }} interpolation, because a git tag may contain
a semicolon and interpolation is textual substitution performed before the shell parses the
line.
The image is chiseled: no shell, no package manager, uid 1654. Affordable because
Directory.Build.props already sets InvariantGlobalization, so the ICU and tzdata a normal
base carries are exactly what this product decided not to use. The cost is stated in the
Dockerfile rather than hidden — there is no HEALTHCHECK, because there is nothing to run
one with, and /healthz/ready is anonymous precisely so the orchestrator can ask instead.
Nothing migrates the schema from inside the container either; readiness fails while a
migration is pending and names it, which is the design.
And the restore that all of this depends on did not work.
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jaap-jan
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7a3a521c59 |
Give the phone the rest of its screens, and a way in
All seven screens of the design, plus the two it does not draw because it starts at an enrolled phone: naming a server, and choosing a passphrase. The five states docs/android-port.md worried about losing at 360dp are all here and none of them softened. The changed-key refusal is a full-screen panel rather than a bottom sheet, because a sheet is swipe-to-dismiss by convention and that screen must have no way forward. The recovery code raises FLAG_SECURE for its own state and lowers it afterwards, so the sentence about screenshots is true rather than decorative. The delete confirmations keep their counts and replace the row in place. Signing in works, and the seam it needed is worth more than the implementation: IAuthorizationCallback now sits between OidcClient and the loopback listener, so the two heads differ in where the response arrives and in nothing else. PKCE, the state check, discovery, the token exchange and the key binding stay one implementation — a second OIDC client would be a second place for a security bug to live. The phone registers a private-use scheme with the system rather than binding a loopback port, which on a shared device any other app can do first. The accessory key row needed TerminalWorkspace.SendInputAsync: ordinary typing goes from the renderer straight down the socket, and there was no way in for the keys a software keyboard does not have. Ctrl latches, because one thumb cannot chord, and the latch is drawn — a modifier that is on and does not look on is how somebody sends ^L to a database prompt believing they typed an l. 597 client tests green, including two new ones for the input path and one for the terminal surface command. Nothing has run on a device. |
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jaap-jan
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95816de0c5 |
Share a vault with a team, without the server holding a key
M3's teams, sharing and ACLs. Teams with roles, a public-key directory, the append-only key log served for clients to check it against, team-owned vaults, and vault key grants wrapped by a client and stored opaquely by the server. VaultAccessService resolves team membership to PermissionFlags, so a viewer may pull and may not push; the desktop client reads and syncs every vault it holds a key for, and a real TEAMS screen replaces the one that said it did not exist. No migration: team, team_membership, vault.team_id and vault_key_grant have all been there since the first one, which is what carrying two unused tables bought. Membership is authorisation. A grant is access. The obvious model is one concept — "access", with a role attached, handed out by the server — and this architecture cannot implement it: a vault key is sealed to each member's X25519 key, and only a client holding the plaintext can seal it for somebody else. So "give Bob access" decomposes into a database write and a wrap, which happen on different machines. Adding a member makes the server serve them the vault; it cannot make it readable. VaultSummary.WrappedVaultKey is null in the meantime and the vault appears in their list saying it is waiting for a key, because hiding it until a grant existed would have been tidier and would have implied the server was the thing granting access. The screen says the same thing after every add, in the status line. ADR 0009 records the whole decision. Sharing verifies or refuses. A directory lookup is a claim by the server about a third party's public key, and wrapping to an unverified claim hands the vault to whoever made it — no amount of transport security helps, because the server is inside the threat model. KeyLogAudit reads the whole log, recomputes every entry's hash from its own contents, checks the chain from genesis, and refuses unless the offered key appears in it unchanged. There is no override flag: one that exists gets used on the day the log is briefly unreachable, and the resulting grant is indistinguishable from a correct one afterwards. What it still cannot promise is that the key is the right person's, so the fingerprint comes back for an out-of-band comparison and the success message says so every time. A test corrupts the fake server's log by one byte and watches the client refuse rather than warn. The roles are only the ones that are enforceable. There is no ConnectOnly, despite the design asking for one and TeamRole having room: SSH terminates on the client, so a session needs the credential's plaintext on that machine, and "may connect but may not read the key" cannot be enforced here. Shipping it as an option in a dropdown would have been a lie. Connect rides along with Read and is documented as an interface hint. Removal is named for what it does — it revokes grants and flags the vault for rekey, and claims nothing about what is already on somebody's laptop. Three things are deliberately absent, and each is a refusal rather than an omission. The rekey itself, because re-wrapping every item's data key under a new vault key needs a client holding the current one; the server records that a rotation is owed and the interface reports it, which is more honest than a button that only appears to do it. Ownership transfer, because allowing an owner to be removed without one leaves a team nobody can administer. And cross-vault host key trust: a pin in a team vault is listed but not consulted at connect time, because any member with Write could otherwise pre-approve a fingerprint another member's client then trusts silently for a host in their own vault. Scoping trust properly needs a scope on the SSH connect path, which IKnownHostStore has not got; until then the narrow direction is the safe one and the cost is in the README rather than hidden. Reading now spans vaults and writing still does not. Every list on the vault and hosts screens covers each vault the keyring opened, rows carry the vault they came from, and an edit goes back to that vault rather than to the active one — writing it to the active vault would fork the item and only show up when a colleague wondered why their change never arrived. A new item goes wherever a picker says, defaulting to the personal vault and never moving on its own, because an item filed into a team's vault is visible to that team and moving it back means deleting and retyping. The sidebar heading stops naming one vault once there are two, and each row names its own. The server checks what it can and nothing it cannot. It will not record a grant for a key its recipient no longer holds, for a superseded generation, or for somebody who is not in the team — each of those would otherwise surface days later at the far end as a tag failure indistinguishable from corruption. It does not verify the wrap or the signature, and the grant service says so: that would be a convenience and never the boundary, and would put an asymmetric implementation on a machine that is supposed to hold no keys. Two bugs the tests found. TeamsViewModel's busy gate blocked its own reload, so a team created a moment earlier was missing from the list it had just been added to. And syncing every vault turned a failure from an exception into a report, which made a background pass announce an unreachable vault once a minute — the exact behaviour AnAutomaticPassThatFails_LeavesTheStatusAlone exists to prevent. The fact is recorded and the message swallowed, as it was before; pressing Sync still names the vault and the reason. Also fixes a build break this branch started with: QuickConnectTests was never updated when M2 added ISftpSessionFactory to the shell's constructor, so nothing built at all. |
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jaap-jan
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94e11f5e38 | update packages | ||
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jaap-jan
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f86791e817 |
Finish revoking a device, instead of half of it
ForgetDeviceAsync stopped this machine unlocking without a passphrase and left
the server's row exactly where it was, so the account went on listing a device
nobody could account for. ADR 0007 recorded that as a deliberate gap needing an
endpoint. This is the endpoint, and the two things that turned up behind it.
DELETE /api/v1/me/devices/{id}. The device row is not the dangerous half: a
kind=device wrap is the user's identity bundle sealed to a key somebody may be
holding, and that is what has to go. It goes on the foreign key's cascade rather
than a second statement, and RevokeDevice_TakesItsWrapWithIt asserts the cascade
rather than trusting the configuration to keep saying so.
Scoped to the caller's own account, which is the only authorisation check there
is. The id is an unguessable v7 GUID, but unguessable is not a permission —
without the scope one user could withdraw another's device key by pasting an id
they saw once, and the victim's next launch would ask for a passphrase with no
explanation. 404 rather than 403 for somebody else's device, so a stranger does
not learn the id exists.
Never refused for being the last device. ADR 0001 makes an enrolled device a
recovery path, so removing the last one does cost the user something — but the
machine being revoked is most likely the one they have just lost, and a server
that argued about it would be refusing the one request that has to work
immediately. The passphrase wrap is untouched either way, which
RevokeDevice_LeavesThePassphraseWrapAlone pins.
--- Two things found on the way ---
Registering twice from one machine left two devices on the account. The server
is idempotent on the public key, but the client generates a fresh key pair every
call and the keystore holds one — so the second registration orphaned a wrap
whose private half had just been overwritten, which is precisely the leftover
this change exists to remove. Registering now withdraws the previous device.
Found by a test that asserted the property and failed.
And the fakes were lying about it. FakeAccountServer's comment claimed the real
service's idempotence while handing back a fresh Guid on every call, which is
invisible until something revokes by id — at which point a test would be
revoking an id the server never issued, and passing. Both fakes now issue one id
per public key and drop the wrap with the device, as the cascade does.
--- Reachable at all ---
ForgetDeviceAsync had exactly one caller and it was a test, so "Stop unlocking
here" now sits in the account bar where "Use Windows Hello here" was. Its own
flag rather than the negation of that one: a machine with no TPM and a machine
that is already registered are both "cannot register", and only the second has
anything to take back.
No confirmation prompt, deliberately. The cost of pressing it by accident is one
passphrase and one re-registration; the cost of a dialog is a moment's
hesitation at the point somebody has realised a machine is in the wrong hands.
Offline it does the local half and says so rather than refusing. Whether this
machine may unlock itself is decided entirely by the local cache and the local
keystore — the unlock path never asks the server — so forgetting here is what
actually revokes, and "you are offline, so this machine will go on unlocking
itself" would be the worst available answer. DeviceRevocation.LocalOnly is what
the interface reports and the status line explains what is left to do.
The local half runs first for the same reason, and the keystore call is the
first thing in the method that can yield: on Windows it raises a consent dialog,
and a dialog wants the thread it was called from. That ordering is currently
load-bearing and shakier than it looks — see the open device-unlock hang.
Four mutations, all caught: dropping the user scope from the server query
(1 test), skipping the stale-device revoke on re-registration (2), skipping the
server call in ForgetDeviceAsync (2), and the earlier version of the client that
never called it at all.
930 tests green across 16 projects, 13 of them new. Zero warnings, format clean.
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jaap-jan
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db4a8ed3d3 |
Let an already-enrolled account register a device key
The first of the three pieces ADR 0007 needs, and the one that was a discovery rather than a plan. EnrollmentService.AddDevice runs only during enrollment, so without an endpoint the device-unlock feature would have reached accounts created after it shipped and no others — which is to say none of the ones that exist. The code even said so: "the devices endpoint sets it properly when it lands." POST /api/v1/me/devices takes a name, an X25519 public key and the bundle sealed to it, and writes a device row plus a UserKeyWrapKind.Device wrap. Possession is proved by construction, so there is no challenge. The wrap is the secret bundle sealed to the supplied public key, and only something that has opened that bundle can produce it. A caller who seals the wrong bytes registers a device that cannot unlock, which harms nobody else; the server cannot tell the difference and must not pretend to, because it holds no key that opens either. That is also why the client must be unlocked to call this at all. It is the one endpoint in the /me group that requires enrollment, and it says so itself rather than relying on the group. The group deliberately does not: GET / and POST /enrollment are how a client discovers it needs to enroll and then does so, and gating those on enrollment would make enrollment unreachable. Adding the stricter policy to this route alone means an unenrolled caller is told "enrollment-required" by the authorization handler rather than getting a 400 about the shape of a request that was fine. Idempotent on the public key, and 200 rather than 201 for the reason enrollment gives: a retry of an identical request returns the same body, so there is no single moment of creation to point a Location header at. A second row for one key would mean a device list with a duplicate in it and two wraps to revoke instead of one. Mutation tested — removing the lookup fails RegisterDevice_TwiceWithTheSameKey_ReturnsTheSameDeviceAndAddsNoSecondWrap and nothing else. That test also found a real defect, in the way these usually surface: two timestamps that print identically and are not equal. TimeProvider reports 100-nanosecond ticks and PostgreSQL's timestamp with time zone keeps microseconds, so the first call returned a value that no later read of the row would ever produce, and the idempotent retry answered with a different timestamp for the same device. Nothing breaks, which is what makes it worth fixing: the service now truncates to the precision the column actually holds, so the response is the same value every time it is asked for. The repo already had a precedent for this class of thing in KeyLogChain.TruncateTimestamp; it just had not been applied here. The platform is deliberately not carried on the wire, which leaves Device.Platform unreported and the stale comment corrected rather than fulfilled. It would be a display-only field, and a Contracts enum mirroring the domain's DevicePlatform is exactly the shape of duplication that has produced three self-consistent bugs in this repository. A device list that wants it can add a mapping table and a test pinning the two together, which is what the sync entity types already do. Its own problem code and exception rather than reusing enrollment's, whose rules it largely shares. Registering a device is not enrolling, and a client showing "your enrollment was rejected" because somebody set up a fingerprint reader would be describing the wrong thing. The validation shares the limit constants — MaximumWrapBytes, MaximumDeviceNameLength, PublicKeySize — and not the four-line guards, which would have had to be parameterised over which exception to throw for less than they cost. Both in-memory fakes implement it properly rather than throwing: they record the wrap so a test can assert it arrived, and refuse before enrollment as the real endpoint's policy does. A fake that answered where the server refuses is a fake that can make a real bug pass. 866 tests green, 8 of them new. Zero warnings, dotnet format clean. Still to come: the protector seam with the wrap cached locally so device unlock works offline, then the Windows Hello implementation and the unlock-screen UI — which is where the Windows target framework lands and where automated testing stops. |
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jaap-jan
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49f617b450 |
Wire the Avalonia shell to the vault
The host list now comes from the vault instead of from a form. A fresh machine takes a server URL, signs in through the browser, enrolls, and from then on opens with the passphrase alone. DodoSSH.Client.Session is the composition layer: where a profile lives, how it unlocks, and how a machine gets one. ClientPaths picks a non-roaming per-OS directory — %LOCALAPPDATA% and never %APPDATA%, because a SQLite cache that roams between two machines is a corrupt one, and each machine's outbox is its own. SessionOpener needs no transport at all and could not reach one if it wanted to; that is the offline unlock, asserted rather than asserted about. A wrong passphrase, a stale KDF and a grant revoked by a rekey are three different answers, because the remedies are three different things and telling someone to retype a passphrase that was never the problem is worse than saying nothing. The shell's states are the onboarding story. The recovery code gets its own state that cannot be clicked past: it exists for one moment, losing it with the passphrase loses the vault, and there is no server-side reset by design. It is dropped from memory on confirmation rather than merely hidden. Sign-in is a delegate over IVaultServer, so the whole state machine runs in a test against an in-memory server — no browser, no identity provider, no toolkit. The view models are plain observable objects, which is what makes that possible. What it does not cover is whether the XAML binds to the right names; that needs a rendered tree and Avalonia.Headless, and is its own piece of work. Three things found by doing it rather than by reading it: - Pooled SQLite connections keep the database file open after the last context is disposed. On Windows that means locked, so the application could never replace its own cache — and a test could not clean up after itself, which is how it surfaced. Dispose now clears the pool. - EF's SQLite provider puts the database in WAL mode, so the cache is three files. A comment in ClientCacheFactory claimed the opposite; reading PRAGMA journal_mode off a real launch settled it. WAL is the right mode here — a sync pass writes while the interface reads — so the comment was wrong on the merits as well as on the fact. - Enrolling a device key with nowhere to keep the private half would put a wrap on the server nobody can open and make the device list claim this machine can unlock without a passphrase. Device binding is now optional and the shell declines it until the OS keystore is wired. Verified on Windows: the client created %LOCALAPPDATA%\DodoSSH\cache.db and migrated it on first launch, and msedgewebview2 held an established connection to the data plane while the unlock overlay covered it — which is the point of covering the WebView rather than collapsing it, since a NativeWebView that is never laid out is never realised. 630 tests, up from 593. The recovery-code gate and the offline unlock were each verified by breaking them and watching the right test fail. Still to do for M1's actual definition of done: the manual run against the real API and a real Keycloak. Credentials are not a synced entity type yet, so a connection still asks for a password, and the interface says so rather than implying otherwise. |
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jaap-jan
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8d2416a602 |
Add the encrypted local cache and the sync client
Three new client projects, and the wire-contract fix they needed. DodoSSH.Client.Domain holds the decrypted item model and the three-way merge, with no I/O at all — so the suite that decides whether a credential can be lost runs in milliseconds with nothing to mock. Scalars defer to the server on a genuine clash so every replica resolves the same triple identically and two clients cannot ping-pong; directives merge per name so two people each adding one both keep theirs; the jump chain merges as a whole value because its order is the route. Whatever loses is returned rather than dropped. DodoSSH.Client.Storage is EF Core on SQLite, no SQLCipher: the rows are already ciphertext, so an encrypted file would protect protected bytes at the cost of a native dependency. It keeps the server's state and the outbox in separate tables, which is what preserves the common ancestor a merge needs. One pending operation per item, enforced by a unique index. DodoSSH.Client.Sync is the pull/apply/push loop. Pulling never decrypts — a change with no local work pending is plumbed as ciphertext — so a first sync of thousands of items does not run twice as many AEAD operations for nothing. Contracts: EncryptedPayload gains WrappedDataKey and DataKeyId. The specification has required a per-item data key since crypto.md §3, the columns have existed since the first migration and DshAad.ItemPayload binds the id, but this record had nowhere to put either — so a spec-compliant item could not be transmitted at all. Found by writing the client that has to produce one. Also closes a hole in AadResourceType, which had no value for the HostTag and HostCredential that SyncEntityType has always listed. Four bugs the tests found, not review: - SQLite refuses to order or compare its own DateTimeOffset mapping, and throws at execution rather than model build. Collecting tombstones and listing conflicts are both that shape, so this was a crash waiting for the first user with a deleted host. Timestamps are integers now, by convention so a later field cannot be the one left unconverted. - SQLitePCLRaw 2.1.11, which EF resolves, is covered by GHSA-2m69-gcr7-jv3q. Pinned forward as a family. - Resurrecting content from a remote deletion cleared the original before queueing the copy. Two transactions, so a crash between them lost the work; reversed, and the rescued id is derived from the tombstone so a replay coalesces instead of duplicating. - Several equality assertions went through Shouldly's ShouldBe, which compares IEnumerable element-wise and so tested nothing about the Equals these types exist to provide. Corrected; the falsification that caught it went from 2 failures to 6. The push response's cursor is deliberately ignored. It sits after this client's own writes, so adopting it skips anything another client committed at a lower sequence in the window between a pull and a push — permanently. Re-reading one's own writes is idempotent and costs a page. The Contracts doc that invited the shortcut now says so. 593 tests, up from 448. The delete-versus-edit rules, the ancestor retention, the fresh operation id on coalesce and the cursor safeguard were each verified by breaking them and watching the right test fail. |
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jaap-jan
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a878c2b6bb |
Add the server client and client-side enrollment
A typed client over DodoSSH.Contracts, and the orchestration that turns a passphrase into an enrolled identity: generate keys, have the identity provider sign over them, wrap the bundle three ways, create the personal vault, publish. Ordering here is forced, not chosen. The secret bundle's AAD binds to the server-assigned user id, so /me has to be read before anything can be wrapped -- which is exactly why /me provisions the account and returns its id even while reporting that enrollment is required. That constraint was designed into the server earlier; this is the first code that depends on it. The grant tuple now has a real canonical encoding (crypto.md 7.3) rather than the placeholder signature I would otherwise have had to invent and then keep. §7 named the tuple without specifying how to encode it; this fills that in with the same conventions as 7.1, and the self-grant at enrollment is already in its final format. The signature covers SHA-256(wrappedKey) rather than the key, so a verifier can check attribution without holding the vault key at all. The most valuable tests are the negative ones about the request body: the server is meant to be unable to read what it stores, and a refactor that put a passphrase or a private key into the enrollment request would be invisible to every other test in the repository. So one asserts the body contains neither the passphrase, the recovery code, nor any private key in base64 or hex. Another opens the same bundle three ways -- passphrase, recovery code and device key -- which is what makes a passphrase change a one-row update. ClientEnrollment depends on IKeyBindingAuthorizer rather than the whole OidcClient. It needs exactly one capability, and depending on the full client would drag discovery and token exchange into every test of key binding. Two things fixed while building it. The recovery code buffer was sized one separator short, so every enrollment threw IndexOutOfRange -- caught immediately because nine of ten tests failed identically. And the crypto enum collided with Domain.GrantKind in the server, so it is GrantPurpose there; the numeric values still have to match, which the doc and a test both say. 448 tests pass, zero warnings on a clean rebuild, format clean. |