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| """Workspace registry built on top of the existing brain registry.""" | |
| from __future__ import annotations | |
| import re | |
| import secrets | |
| from datetime import datetime, timezone | |
| from hashlib import sha1 | |
| from urllib.parse import quote, urlsplit | |
| from src.constants.data import Brain, Workspace | |
| from src.services.brain_identity import BrainAlreadyExistsError, validate_brain_id | |
| SLUG_RE = re.compile(r"^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?$") | |
| class WorkspaceError(ValueError): | |
| pass | |
| class WorkspaceConflictError(WorkspaceError): | |
| pass | |
| class WorkspaceNotFoundError(WorkspaceError): | |
| pass | |
| class WorkspaceScopeConflictError(WorkspaceError): | |
| pass | |
| class WorkspaceAccessDeniedError(PermissionError): | |
| pass | |
| def validate_slug(slug: str) -> str: | |
| value = (slug or "").strip() | |
| if not SLUG_RE.fullmatch(value): | |
| raise WorkspaceError( | |
| "slug must be 1-63 lowercase ASCII letters, digits, or hyphens, " | |
| "and must start and end with a letter or digit" | |
| ) | |
| return value | |
| def slugify(value: str) -> str: | |
| slug = re.sub( | |
| r"[^a-z0-9]+", "-", (value or "").strip().lower() | |
| ).strip("-") | |
| slug = slug[:63].rstrip("-") | |
| return slug or f"brain-{sha1(value.encode()).hexdigest()[:8]}" | |
| def display_name_for(brain_id: str) -> str: | |
| return re.sub(r"[-_]+", " ", brain_id).strip().title() or brain_id | |
| def resolve_workspace_scope( | |
| workspace: Workspace, | |
| *, | |
| header_brain_id: str | None = None, | |
| query_brain_id: str | None = None, | |
| body_brain_id: str | None = None, | |
| ) -> str: | |
| """Return the URL workspace brain, rejecting every conflicting explicit scope.""" | |
| explicit = (header_brain_id, query_brain_id, body_brain_id) | |
| if any(value and value.rstrip() != workspace.brain_id for value in explicit): | |
| raise WorkspaceScopeConflictError( | |
| "Workspace URL conflicts with an explicit brain scope." | |
| ) | |
| return workspace.brain_id | |
| def authorize_brain_pat( | |
| presented_pat: str, | |
| *, | |
| system_pat: str | None, | |
| brain_pat: str | None, | |
| workspace_scoped: bool, | |
| ) -> None: | |
| """Authorize the already-resolved brain without changing its scope.""" | |
| if system_pat and secrets.compare_digest(presented_pat, system_pat): | |
| return | |
| if brain_pat and secrets.compare_digest(presented_pat, brain_pat): | |
| return | |
| if workspace_scoped: | |
| raise WorkspaceAccessDeniedError("PAT cannot access this workspace") | |
| raise ValueError("Invalid BrainPAT") | |
| def public_base_url(configured: str | None, request_base_url: str | None = None) -> str: | |
| value = (configured or request_base_url or "").strip().rstrip("/") | |
| parsed = urlsplit(value) | |
| if parsed.scheme not in {"http", "https"} or not parsed.netloc: | |
| raise WorkspaceError("PUBLIC_BASE_URL must be an absolute HTTP(S) URL") | |
| return value | |
| def workspace_payload(workspace: Workspace, base_url: str) -> dict: | |
| slug = quote(workspace.slug, safe="") | |
| return { | |
| **workspace.model_dump(mode="json"), | |
| "api_base_url": f"{base_url}/brains/{slug}/api", | |
| "console_url": f"{base_url}/console/w/{slug}/", | |
| } | |
| class WorkspaceService: | |
| def __init__(self, repository): | |
| self.repository = repository | |
| def list(self) -> list[Workspace]: | |
| return self.repository.get_workspaces() | |
| def get(self, slug: str, *, include_archived: bool = False) -> Workspace: | |
| workspace = self.repository.get_workspace(validate_slug(slug)) | |
| if workspace is None or (workspace.archived and not include_archived): | |
| raise WorkspaceNotFoundError(f'Workspace "{slug}" was not found') | |
| return workspace | |
| def create( | |
| self, *, slug: str, display_name: str, description: str | None = None | |
| ) -> Workspace: | |
| slug = validate_slug(slug) | |
| display_name = display_name.strip() | |
| if not display_name: | |
| raise WorkspaceError("display_name must not be blank") | |
| if self.repository.get_workspace(slug): | |
| raise WorkspaceConflictError(f'Workspace slug "{slug}" already exists') | |
| if self.repository.get_workspace_by_brain_id(slug): | |
| raise WorkspaceConflictError(f'Brain "{slug}" already has a workspace') | |
| if self.repository.get_brain(slug): | |
| raise WorkspaceConflictError( | |
| f'Brain "{slug}" already exists; run workspace bootstrap' | |
| ) | |
| validate_brain_id(slug) | |
| try: | |
| self.repository.create_brain(slug) | |
| except BrainAlreadyExistsError: | |
| raise WorkspaceConflictError("Brain already exists") from None | |
| return self.repository.create_workspace( | |
| Workspace( | |
| brain_id=slug, | |
| slug=slug, | |
| display_name=display_name, | |
| description=description, | |
| ) | |
| ) | |
| def update(self, slug: str, **changes) -> Workspace: | |
| workspace = self.get(slug, include_archived=True) | |
| for field in ("display_name", "description", "archived"): | |
| if field in changes: | |
| setattr(workspace, field, changes[field]) | |
| workspace.updated_at = datetime.now(timezone.utc) | |
| return self.repository.update_workspace(workspace) | |
| def bootstrap(self) -> list[Workspace]: | |
| existing = {workspace.brain_id: workspace for workspace in self.list()} | |
| used_slugs = {workspace.slug for workspace in existing.values()} | |
| for brain in self.repository.get_brains_list(): | |
| if brain.name_key in existing: | |
| continue | |
| slug = slugify(brain.name_key) | |
| if slug in used_slugs: | |
| suffix = sha1(brain.name_key.encode()).hexdigest()[:8] | |
| slug = f"{slug[:54].rstrip('-')}-{suffix}" | |
| workspace = Workspace( | |
| brain_id=brain.name_key, | |
| slug=slug, | |
| display_name=display_name_for(brain.name_key), | |
| ) | |
| self.repository.create_workspace(workspace) | |
| existing[brain.name_key] = workspace | |
| used_slugs.add(slug) | |
| return sorted(existing.values(), key=lambda item: item.slug) | |