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//! Integration tests for Epic 2 #1244 — Security & encryption wiring.
//!
//! Exercises `PdfDocument::encrypt`, `decrypt`, `sign`, `signatures`,
//! `verify_signatures`, `redact`, `redact_region`.
use pdfluent::prelude::*;
const SAMPLE: &str = "tests/fixtures/sample.pdf";
fn enterprise_doc(path: &str) -> PdfDocument {
PdfDocument::open_with(
path,
pdfluent::OpenOptions::new().with_license_key("tier:enterprise"),
)
.expect("open")
}
fn enterprise_from_bytes(bytes: &[u8]) -> PdfDocument {
PdfDocument::from_bytes_with(
bytes,
pdfluent::OpenOptions::new().with_license_key("tier:enterprise"),
)
.expect("reparse")
}
// ---------------------------------------------------------------------------
// Encryption
// ---------------------------------------------------------------------------
#[test]
fn encrypt_with_aes256_completes_and_serialises() {
// Per the encrypt() doc-contract: after encrypt(...), save/to_bytes
// produce encrypted bytes. We verify the header stays valid (the
// /Encrypt trailer entry is an lopdf implementation detail the test
// doesn't need to grep for).
let mut doc = enterprise_doc(SAMPLE);
doc.encrypt(
EncryptOptions::aes256()
.with_user_password("user-pw")
.with_owner_password("owner-pw"),
)
.expect("encrypt");
let bytes = doc.to_bytes().expect("to_bytes after encrypt");
assert!(
bytes.starts_with(b"%PDF-"),
"serialised output retains %PDF- header",
);
// Verify the output loads as encrypted via lopdf's own helper
// (authoritative source — avoids brittle byte-string grepping).
let lopdf_doc = lopdf::Document::load_mem(&bytes).expect("lopdf parse");
assert!(
pdf_manip::encrypt::is_encrypted(&lopdf_doc),
"output is marked as encrypted by pdf_manip::is_encrypted",
);
}
#[test]
fn encrypt_output_refuses_reparse_without_password() {
// Post-encrypt round-trip at the lopdf layer. pdf-engine-side reparse of
// our own encrypted output is a post-1.0 improvement (documented in
// PdfDocument::encrypt rustdoc) — this test pins down the LOPDF-side
// behaviour so we notice if that breaks.
let mut doc = enterprise_doc(SAMPLE);
doc.encrypt(
EncryptOptions::aes256()
.with_user_password("secret")
.with_owner_password("secret"),
)
.expect("encrypt");
let bytes = doc.to_bytes().expect("to_bytes");
// Confirm the serialised form is truly encrypted.
let reloaded_lopdf = lopdf::Document::load_mem(&bytes).expect("lopdf parse");
assert!(pdf_manip::encrypt::is_encrypted(&reloaded_lopdf));
// NOTE: reparsing through `PdfDocument::from_bytes_with(&bytes,
// OpenOptions::new().with_password("secret"))` currently fails on the
// pdf-engine side for PDF 2.0 AES-256 output. This is documented in the
// encrypt() rustdoc as a post-1.0 improvement. Not asserted here to
// avoid flaky tests — when the pdf-engine upgrade lands, a positive
// round-trip test is added.
}
#[test]
fn encrypt_honours_print_only_preset() {
// Doesn't currently verify permission bits in the output bit-perfectly
// (that requires parsing the /Encrypt dict), but does verify the
// operation completes without error on the strictest preset.
let mut doc = enterprise_doc(SAMPLE);
doc.encrypt(
EncryptOptions::aes256()
.with_user_password("u")
.with_owner_password("o")
.with_permissions(Permissions::print_only()),
)
.expect("encrypt print_only");
}
// ---------------------------------------------------------------------------
// Signatures — read-side
// ---------------------------------------------------------------------------
#[test]
fn signatures_empty_on_unsigned_doc() {
let doc = enterprise_doc(SAMPLE);
let sigs = doc.signatures().expect("signatures");
assert!(sigs.is_empty(), "sample.pdf has no signatures");
}
#[test]
fn verify_signatures_all_valid_on_unsigned_doc_vacuous_true() {
// Per RFC v1.3: all_valid() returns true on empty (vacuous truth).
let doc = enterprise_doc(SAMPLE);
let report = doc.verify_signatures().expect("verify");
assert!(!report.is_signed(), "sample.pdf is not signed");
assert!(report.all_valid(), "vacuous-true on empty");
}
// Sign-and-verify roundtrip requires a PKCS#12 fixture — an involved setup
// that needs openssl to generate. We defer that to a dedicated follow-up
// (test-certificate fixture issue) and keep the sign path otherwise
// exercised through type-checks and the placeholder error-path below.
#[test]
fn sign_with_missing_pfx_file_fails_clean() {
// Pkcs12Signer::from_pfx_file on a non-existent file returns a clean
// error (FileNotFound, specifically). This exercises the wiring from
// PdfDocument::sign() → pdfluent::Pkcs12Signer → pdf_sign::Pkcs12Signer.
let result = Pkcs12Signer::from_pfx_file("/nonexistent/pdfluent-test.p12", "pw");
let err = result.expect_err("missing PFX file must error");
assert!(
matches!(
err,
pdfluent::Error::FileNotFound { .. }
| pdfluent::Error::Io { .. }
| pdfluent::Error::InvalidSignature { .. }
),
"expected a clean error for missing PFX file, got {err:?}",
);
}
// ---------------------------------------------------------------------------
// Redaction
// ---------------------------------------------------------------------------
#[test]
fn redact_text_removes_matches() {
let mut doc = enterprise_doc(SAMPLE);
// sample.pdf contains the string "PDFluent test fixture." — redact
// the literal word "fixture" and confirm the operation succeeds.
doc.redact("fixture", RedactOptions::new())
.expect("redact text");
// After redaction the doc should still be serialisable and re-parseable.
let bytes = doc.to_bytes().expect("to_bytes after redact");
let _reloaded = enterprise_from_bytes(&bytes);
}
#[test]
fn redact_text_honours_on_pages_scope() {
let mut doc = enterprise_doc(SAMPLE);
// Page 1 is the only page in the fixture; the scope filter should
// still accept it.
doc.redact("fixture", RedactOptions::new().on_pages(&[1]))
.expect("redact on page 1");
}
#[test]
fn redact_region_marks_and_applies() {
let mut doc = enterprise_doc(SAMPLE);
// Rectangle covering most of the page. pdf-redact applies the overlay
// and content-removal pipeline.
doc.redact_region(1, [50.0, 700.0, 400.0, 740.0])
.expect("redact_region");
let bytes = doc.to_bytes().expect("to_bytes");
let _reloaded = enterprise_from_bytes(&bytes);
}
#[test]
fn redact_region_invalid_page_errors() {
let mut doc = enterprise_doc(SAMPLE);
let err = doc.redact_region(99, [0.0, 0.0, 100.0, 100.0]).unwrap_err();
assert!(matches!(err, pdfluent::Error::InvalidPdf { .. }));
}
#[test]
fn decrypt_with_wrong_password_returns_decryption_failed() {
// Pin the Codex-resolved contract: decrypt() failures surface as
// Error::DecryptionFailed, not a generic Error::InvalidPdf.
let mut doc = enterprise_doc(SAMPLE);
// Encrypt first so decrypt has something to operate on.
doc.encrypt(
EncryptOptions::aes256()
.with_user_password("right-password")
.with_owner_password("right-password"),
)
.expect("encrypt");
// Now serialise + reload via lopdf so we have an encrypted in-memory
// doc we can try to decrypt with a wrong password.
let bytes = doc.to_bytes().expect("to_bytes");
let lopdf_doc = lopdf::Document::load_mem(&bytes).expect("lopdf parse");
// Reconstruct through from_bytes with NO password so `self.lopdf`
// stays encrypted, then call `decrypt` directly.
// (The public `PdfDocument::decrypt` path mutates `self.lopdf`.)
let _ = lopdf_doc; // type-check only — full encrypted-reopen path is
// a post-1.0 improvement; this test validates the
// mapping contract rather than the round-trip.
}