Files
pad/internal/store/migrations/012_users.sql
T
xarmian 46447e5504 feat: user management & authentication (Phase 6) (#14)
* feat: add user management database migration and models

Add migration 012_users.sql with users, sessions, and workspace_members
tables. Add user_id columns to api_tokens, items, comments, activities,
item_links, and item_versions for proper user attribution. Create Go
model structs (User, Session, WorkspaceMember) in models/user.go.

* feat: add store layer for users, sessions, and workspace members

Implement CRUD operations for user management:
- users.go: create, get, update, list, validate password (bcrypt)
- sessions.go: create, validate, delete, cleanup expired (SHA-256 hashed tokens)
- workspace_members.go: add/remove members, role management, access checks

Adds golang.org/x/crypto/bcrypt dependency. Includes 16 new tests
covering all store methods, password validation, session lifecycle,
and workspace membership operations.

* feat: rewrite auth system from single-password to user-based

Replace single-password auth with email/password user authentication:
- New endpoints: POST /auth/register, GET /auth/me
- Rewritten: POST /auth/login (email+password), GET /auth/session
  (needs_setup detection), POST /auth/logout (DB session destroy)
- Delete in-memory SessionManager, use DB-backed sessions via store
- New middleware: SessionAuth (cookie→user), RequireAuth (with
  fresh-install passthrough when no users exist)
- Remove Password field from config, PAD_PASSWORD env var, SetPassword()

All 23 existing server tests pass (fresh DBs have no users → passthrough).

* feat: add workspace access control middleware

Add RequireWorkspaceAccess middleware that checks workspace_members for
authenticated users, with fallback for legacy API tokens and fresh
installs (no users → implicit owner). Includes role hierarchy helpers
(workspaceRole, requireRole) for downstream permission checks.
Wire middleware into the /{slug} workspace route group.

* feat: add CLI auth commands and credential storage

Add pad login, pad logout, pad whoami commands with credential
storage in ~/.pad/credentials.json (0600 permissions). Update CLI
HTTP client to auto-attach auth tokens and X-Pad-Agent header on
all requests. Add auth API methods (Login, Register, Logout,
CheckSession, GetCurrentUser). Extend .pad.toml with optional
agent_name field. Add golang.org/x/term for masked password input.

* feat: derive actor/source from auth context in all handlers

Replace hardcoded "user"/"web" actor/source strings with auth-aware
helpers. actorFromRequest() derives actor ("user"/"agent" via
X-Pad-Agent header) and source ("web"/"cli" from auth method).
agentMeta() merges agent name into activity metadata. Update all
item, document, comment, and move handlers to use request-based
logActivity/logActivityWithMeta. Remove hardcoded CreatedBy/Source
from all CLI commands — server now determines these from auth context.

* feat: frontend auth — login, registration, auth guard, user menu

Rewrite login page with email/password fields, add registration page
for first-time setup, update auth guard to handle needs_setup redirect.
Add user menu to sidebar with logout. Update API client with new auth
methods (register, login with email, session with needs_setup flag).

* feat: migrate API tokens from workspace-scoped to user-owned

API tokens now have a user_id owner and optional workspace_id scope.
CreateAPIToken takes userID as first parameter. ValidateToken resolves
the token's user into the request context. TokenAuth middleware now
sets ctxCurrentUser when a user-owned API token is used. Add user-
scoped endpoints: GET/POST/DELETE /auth/tokens. Keep workspace-scoped
token endpoints for backwards compatibility.

* feat: workspace membership, invitations, and role enforcement

Add workspace_invitations table (migration 013) with join codes.
Implement invitation store methods (create, get by code, accept,
list). Add member management handlers: list members + invitations,
invite (auto-adds existing users or creates invitation), remove
member, change role, accept invitation by code. Add API routes
under /workspaces/{slug}/members/* and /invitations/{code}/accept.
Add CLI commands: pad members, pad invite, pad join.

* feat: auth tests and documentation updates

Add comprehensive auth endpoint tests: registration flow (first user
becomes admin), login/logout, validation errors, duplicate email,
auth enforcement (401 after users exist, exempt paths), /me endpoint.
Update CLAUDE.md and README.md to document user-based auth system,
replacing old PAD_PASSWORD references with pad login/members/invite
workflow and role-based access control.

* feat: add members management UI to workspace settings page

Add Members section to settings with: member list (avatar, name,
email, role), role change dropdown (owner only), remove button
(owner only), pending invitations display with join codes, and
invite form with email + role picker. Add members API methods to
the TypeScript client (list, invite, remove, updateRole).

* fix: backfill workspace owners for pre-migration workspaces

Add backfillWorkspaceOwners() that runs on server start. For any
workspace with no members, adds the first admin user as owner.
This handles the migration case where workspaces existed before the
user system — without it, the members list shows empty.

* feat: shareable invite links with /join/[code] page

Replace raw join codes with full shareable URLs. Server generates
join_url using its configured base URL (e.g. https://pad.example.com/
join/a3f8b2c1). New /join/[code] page handles the full flow: checks
auth → shows login/register if needed → accepts invitation → redirects
to workspace. Settings page shows "Copy invite link" button that copies
URL to clipboard. CLI outputs shareable link instead of raw code.

* fix: auto-add workspace creator as owner, integrate auth into pad init

handleCreateWorkspace now adds the authenticated user as owner of the
new workspace immediately — no more relying on the startup backfill.

pad init now checks auth status before making API calls. If no users
exist, prompts to register. If not logged in, prompts to login. After
auth, proceeds with workspace creation normally.

* fix: add join_url to invite response type in API client

* fix: address codex review — invite registration, logout token revocation, workspace scoping

- Allow registration with valid invitation_code (fixes invite flow for new users)
- Revoke Bearer session tokens on logout, not just cookies
- Filter workspace listing to user's memberships (admins see all)
2026-03-28 15:43:09 -04:00

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SQL

-- User management: users, sessions, workspace members
CREATE TABLE IF NOT EXISTS users (
id TEXT PRIMARY KEY,
email TEXT NOT NULL UNIQUE,
name TEXT NOT NULL,
password_hash TEXT NOT NULL,
role TEXT NOT NULL DEFAULT 'member'
CHECK (role IN ('admin', 'member')),
avatar_url TEXT DEFAULT '',
created_at TEXT NOT NULL DEFAULT (datetime('now')),
updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);
CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
CREATE TABLE IF NOT EXISTS sessions (
id TEXT PRIMARY KEY,
user_id TEXT NOT NULL REFERENCES users(id),
token_hash TEXT NOT NULL,
device_info TEXT DEFAULT '',
expires_at TEXT NOT NULL,
created_at TEXT NOT NULL DEFAULT (datetime('now'))
);
CREATE INDEX IF NOT EXISTS idx_sessions_token_hash ON sessions(token_hash);
CREATE INDEX IF NOT EXISTS idx_sessions_user_id ON sessions(user_id);
CREATE INDEX IF NOT EXISTS idx_sessions_expires_at ON sessions(expires_at);
CREATE TABLE IF NOT EXISTS workspace_members (
workspace_id TEXT NOT NULL REFERENCES workspaces(id),
user_id TEXT NOT NULL REFERENCES users(id),
role TEXT NOT NULL DEFAULT 'editor'
CHECK (role IN ('owner', 'editor', 'viewer')),
created_at TEXT NOT NULL DEFAULT (datetime('now')),
PRIMARY KEY (workspace_id, user_id)
);
CREATE INDEX IF NOT EXISTS idx_workspace_members_user ON workspace_members(user_id);
-- Add user_id to api_tokens (nullable for migration — existing tokens get assigned later)
ALTER TABLE api_tokens ADD COLUMN user_id TEXT REFERENCES users(id);
-- Add user_id columns to items for proper user attribution
ALTER TABLE items ADD COLUMN created_by_user_id TEXT REFERENCES users(id);
ALTER TABLE items ADD COLUMN last_modified_by_user_id TEXT REFERENCES users(id);
-- Add user_id to comments
ALTER TABLE comments ADD COLUMN user_id TEXT REFERENCES users(id);
-- Add user_id to activities
ALTER TABLE activities ADD COLUMN user_id TEXT REFERENCES users(id);
-- Add user_id to item_links
ALTER TABLE item_links ADD COLUMN user_id TEXT REFERENCES users(id);
-- Add user_id to item_versions
ALTER TABLE item_versions ADD COLUMN user_id TEXT REFERENCES users(id);