dsROCrate 0.2.4

Bug fixes

• Fixed safe_output() reading Opal log timestamps in the local time zone instead of UTC. Opal returns UTC timestamps in ISO 8601 format (e.g., 2026-10-13T04:26:14.076Z); they are now parsed as UTC, including fractional seconds and Z/+hh:mm offsets. Previously, on machines whose time zone was not UTC, the logs_from/logs_to window could drop recent log entries (or include old ones).
• Fixed safe_project() overwriting the user attribute stored in the returned RO-Crate: a loop variable shadowed the user argument.
• Fixed table lineage links (isBasedOn) between tables and resources being written to rocrate$graph instead of rocrate$`@graph`, so they are now recorded in the RO-Crate graph.
• Fixed the symbol registry lookup so it always returns a single row when several symbols share the same created_at timestamp (dplyr::slice_max() now uses with_ties = FALSE).
• report() (path method) now forwards max_line_length and ... to the RO-Crate method; previously max_line_length was silently ignored.
• The error shown when the report directory does not exist now suggests mkdir -p (was mkdir -r).
• audit() and extract_safe_project() (opal method) now read project names with $name, so they work whether backend_projects() returns a data frame or a tibble.

Changes

• Timestamps written by safe_output() (the audit log tibble, the _mappings.csv file, and as.data.frame() of safe_call objects) are now ISO 8601 in UTC with a trailing Z (e.g., 2026-07-01T10:00:00Z). Code that compares these values as strings will need to be updated.
• safe_output(): logs_from and logs_to accept POSIXct values or date-time strings, with or without a Z/UTC offset. Strings without an offset are interpreted as UTC, and Inf/-Inf still mean “no limit”.
• report() for a list of RO-Crates no longer has the unused study_name argument.

Documentation

• Split the getting-started vignette into three. getting-started now covers connecting, check_permissions(), audit() and report(); the new building-crates vignette shows the step-by-step workflow with init() and the safe_*() functions (including saving the RO-Crate); and the new auditing-studies vignette shows how to audit several servers as one study.
• audit-permissions vignette: explains how the permission check works, lists the common error messages with their likely causes, and gives the minimum Opal version (5.7.2).
• deploy-local-datashield-server-with-opal vignette: corrected the clone directory, added the demo accounts, the Opal version requirement, an audit example and instructions to stop the server, and removed unused code.
• Vignettes now only run their examples when the public Opal demo server can be reached; otherwise the code is shown but not evaluated.
• README: added the supported-backend and requirements table, a guide on which function to use, check_permissions() in the quick start, and a list of all vignettes.
• Reference documentation: the description of ... is now defined once (shared_params) and inherited by the functions, the documented default of user_id_suffix was corrected ("#person:"), the Opal-specific wording was removed from the profile argument, and stray formatting in the audit() documentation was fixed.
• Updated spell-check WORDLIST.

Internal Changes

• Added parse_utc(), parse_utc_limit(), format_utc() and fmt_limit() (utils-date.R) so that all timestamps are parsed and formatted the same way. They replace is_valid_posixct().
• backend_logs() (opal method) now returns @timestamp as POSIXct (UTC) and suppresses the progress messages printed by opalr. Other backends are expected to return POSIXct timestamps.
• Added tests for parse_utc(), run under a non-UTC time zone.
• safe_output() tests covering RESOLVE/ASSIGN operations now set logs_from and logs_to explicitly, so they no longer depend on the time they are run.
• Test mocks now use type = "group" for group permissions, matching the values returned by Opal, and the report() tests no longer pass study_name.
• Rebuilt the vignettes against the current Opal demo server (6.0.1).

dsROCrate 0.2.3

New Features

• safe_output() now preserves Opal 6.0 RESOLVE operations independently of ASSIGN operations, including the resolved symbol and source table/resource for provenance. RESOLVE entries are retained even when no matching ASSIGN follows (e.g., a failed resolution). This is only enabled when the server reports Opal >= 6.0.
• Every entry in the audit log tibble returned via safe_output() (and written to the _mappings.csv file) now has a unique id (UUID), and the tibble gains a column field recording the column referenced by a function call argument (e.g. D$LAB_TSC), where applicable.

Improvements

• Function-call arguments supplied as R expressions (e.g. D$LAB_TSC) are now resolved back to the single registered symbol they reference, along with the referenced column. Expressions that reference several symbols, or none that are registered, are returned unchanged.
• Audit log entries are now ordered by their original log-entry order and then timestamp, and operation IDs are regenerated as UUIDs.
• Symbol IDs generated by safe_symbol() are now plain UUIDs, without the previous "symbol-" prefix.

Bug fixes

• Fixed safe_output() failing when an audit session contains no ASSIGN operations: an empty, correctly typed symbols table is now used.
• Fixed safe_output() failing when no function calls could be reconstructed from the logs: an empty, correctly typed calls table is now used.
• safe_output() no longer injects a placeholder row (ds_profile = "-999999") into the parsed logs; a zero-row typed tibble is used to guarantee the ds_profile column exists instead.
• Fixed resolve_dependencies() failing on an empty symbol registry, and resolve_provenance() failing when given an NA symbol ID. Both now return an empty tibble.
• validate_backend_version() (opal method) no longer emits warnings from utils::compareVersion().

Internal Changes

• Added tests covering safe_output() with RESOLVE and ASSIGN operations, and RESOLVE operations without ASSIGN; updated as.data.frame.safe_call() test for the new id column.
• Declared additional local bindings in safe_output() to silence R CMD check notes about undefined global variables.
• Updated roxygen2 documentation for enrich_argument() and safe_call(); regenerated with roxygen2 8.1.0.

dsROCrate 0.2.2

Bug fixes

• Fixed an issue in safe_output() where Opal audit logs containing no AGGREGATE events could cause the audit pipeline to fail when constructing the calls table.
• safe_output() now handles audit sessions with logs but no AGGREGATE calls gracefully, returning an empty calls table rather than attempting to operate on NULL.
• Fixed an issue where an RO-Crate without an explicit Opal profile attribute could cause safe_output() to fail when filtering audit logs. The default “default” Opal profile is now used when no profile is supplied.
• Improved robustness of provenance extraction for audit sessions with incomplete or limited audit activity.

dsROCrate 0.2.1

Bug Fixes

• Removed a duplicate, conflicting definition of as.data.frame.safe_call() (two files each defined this S3 method with different output columns; only one could ever take effect, silently). The safe-call.R version — timestamp, user, r_cmd, fx, args, session, profile — is now the sole implementation.
• Fixed print.safe_symbol() referencing stale column/parent fields left over from before the 0.2.0 symbol-model refactor; it now correctly displays the symbol’s asset, expr, and session (guarding on both NULL and NA, since these fields default to NA_character_).
• Fixed as.data.frame.symbol_registry(), which previously iterated over the columns of the underlying tibble instead of its rows (via lapply() on a data frame), causing it to error whenever called on a non-empty registry. It also referenced non-existent parent/column fields. The method now simply returns x$symbols coerced to a data frame, which already carries the correct columns.
• Fixed register_symbol() erroring on a brand-new, empty registry (the very first symbol registered in any session): the emptiness check compared nrow() of a plain, pre-tibble list() before checking length(), producing a zero-length logical passed to ||. The length() check is now evaluated first, so it short-circuits correctly.
• Fixed as.data.frame.safe_call()’s args column having an unstable name and shape depending on how many arguments the underlying call had (a single-argument call collapsed the column into one named after that argument, e.g. x; multiple arguments spread into several columns instead of one). The argument list is now wrapped with I(list(...)) so it always appears as a single, reliably-named args list-column.
• Added regression tests for safe_call()/as.data.frame.safe_call(), print.safe_symbol(), and register_symbol()/as.data.frame.symbol_registry(), none of which previously had any test coverage.

Internal Changes

• Removed unused internal helpers: has_symbol()/has_symbol.symbol_registry() (and its S3 export) and safe_symbol_reference()/new_safe_symbol_reference(), none of which were called anywhere in the package.
• Removed leftover commented-out code from safe_symbol() and print.safe_call().
• Added roxygen2 documentation (@param, @returns, @keywords internal, @noRd) and explanatory comments to the internal symbol-tracking functions introduced in 0.2.0 (safe_call(), safe_symbol(), safe_reference(), symbol_registry(), and their supporting utilities), with no change in behaviour.
• Updated spell-check WORDLIST.
• Re-rendered vignettes to refresh example output.

dsROCrate 0.2.0

Breaking Changes

• The audit log tibble returned via safe_output() no longer includes a table column. It has been replaced by three more granular columns: kind (whether the tracked object is a table, resource or expression), asset (the resolved table/resource name) and expr (the associated R expression, when applicable). Code that reads the table column directly will need to be updated.

New Features

• Added a symbol registry and call-tracking system (safe_symbol(), safe_call(), safe_reference(), symbol_registry()) that replaces regex-based parsing of Opal logs, modelling assignments and aggregate function calls as objects and resolving arguments back to the symbols/tables they reference.
• Added a generic backend abstraction layer (backend_logs(), backend_options(), backend_users(), backend_projects(), backend_sys_perms(), and others) so internal code no longer calls opalr:: directly, paving the way for additional backends.
• Added early Armadillo backend scaffolding: check_permissions(), init(), report(), safe_data(), safe_output(), safe_people() and safe_setting() now all have ArmadilloCredentials methods, returning clear “not yet implemented” errors ahead of full support.
• Added default S3 methods for audit(), audit_engine() and check_permissions(), giving clearer errors when an unsupported connection object is supplied.
• Added a verbose argument to check_permissions() (opal method) to optionally print a success message when permissions are sufficient.
• Added print.safe_call() and print.safe_symbol() methods, plus as.data.frame() methods for safe_call and symbol_registry objects, for readable inspection of the new internal tracking objects.

Improvements

• safe_people() now determines admin/auditor status from actual system permissions and group membership, rather than a hardcoded name check against "admin"/"administrator", improving compatibility with deployments that use differently named privileged accounts.
• Permission lookup failures during safe_people() now fall back gracefully to an empty result instead of aborting the whole audit.
• Consolidated backend-version and connection-validation logic into the new generic backend framework, reducing duplication between Opal-specific code paths.

Documentation

• Removed a vignette section demonstrating direct calls to internal helper functions, which have since been renamed as part of the backend abstraction work.
• Updated documentation to reflect that init(), safe_data(), report() and related functions now accept either opal or ArmadilloCredentials connections.

Internal Changes

• Added test coverage for audit(), audit_engine() and check_permissions(), along with a mock-connection test helper, reducing reliance on a live demo Opal server.
• Added uuid to Imports, used to generate unique IDs for tracked symbols.
• Bumped the testthat version requirement in Suggests from >= 3.0.0 to >= 3.1.4.

dsROCrate 0.1.0

New Features

• Added check_permissions() support for backend connections, allowing users to verify whether a connection has sufficient privileges to run safe_* auditing functions before execution (#15).
• Permission validation now provides actionable feedback, including guidance on how to configure Opal users and roles when required permissions are missing (#15).
• Added Opal version validation during backend checks to ensure compatibility with APIs required for auditing and permission verification workflows (#22).

Improvements

• Refactored backend validation into an extensible S3 framework, providing a cleaner architecture for supporting additional backends in future releases (#23).
• Introduced a unified backend validation workflow that standardises connection, version and permission checks across auditing functions (#23).
• Replaced use of opalr::opal.datasources() with opalr::opal.projects(), reducing the permissions required for metadata extraction and improving compatibility with auditor accounts (#21).
• Updated auditing workflows to support Opal’s Audit System role, reducing the need for administrator-level accounts when generating RO-Crates and audit reports (#20).

Bug Fixes

• Fixed generation of orphaned permission entities in RO-Crates by excluding administrator and auditor permissions from dataset permission records where corresponding user entities are not included (#19).
• Improved consistency between safe_data() and safe_people() permission handling (#19).

Documentation

• Updated deployment vignette to reference the FederatedMethods-maintained DataSHIELD Docker deployment resources and repository structure (#16).
• Updated user documentation to reflect support for Opal’s Audit System role and revised permission requirements (#20).
• Reviewed documentation for internal helper functions and adjusted visibility of internal APIs where appropriate (#17).
• Added documentation and examples for backend permission validation workflows (#15).

Internal Changes

• Improved separation of concerns between connection validation, backend capability checks and permission validation (#22, #23).
• Refined internal validation infrastructure to simplify future backend integrations.
• General maintenance, testing and documentation updates.

dsROCrate 0.0.2

• This patch addresses an issue with the vignettes. The safe_output.opal() S3 generic now uses overwrite = TRUE to update the root (./) entity.

dsROCrate 0.0.1

• Initial CRAN submission.
• This version contains standard functions for auditing (audit()), reporting (report()) and extracting five safe principle components (safe_*()).
• This version currently only supports OBiBa’s Opal as the backend.

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