- Want to add BGE-M3 semantic embeddings? Install the CLI
- (brew install cvfile/tap/cv) and run
- cv pack --embed-with bge-m3. The model is ~285 MB so it
- runs once locally on your machine, not on every visitor's browser.
+ Want to add BGE-M3 semantic embeddings? Generate them with the Python
+ package (pip install "cvfile[embed]"):
+ run embed(markdown) then pack with
+ pack(..., embeddings=encode_embeddings(payload)). The model is
+ ~285 MB so it runs once locally on your machine, not on every visitor's
+ browser. The cv CLI is reader-only (extract, inspect, validate,
+ search) and does not generate embeddings.
@@ -65,7 +81,6 @@ const jsonLd = graph([
await viewer.loadFromBytes(buf);
}
- dz.addEventListener('click', () => picker.click());
picker.addEventListener('change', () => {
const file = picker.files?.[0];
if (file) void handle(file);
diff --git a/integrations/cvfile-haystack/pyproject.toml b/integrations/cvfile-haystack/pyproject.toml
index 2a72390..39f3e1f 100644
--- a/integrations/cvfile-haystack/pyproject.toml
+++ b/integrations/cvfile-haystack/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
"Programming Language :: Python :: 3.13",
]
dependencies = [
- "cvfile>=0.1.0,<1",
+ "cvfile>=0.1,<2",
"haystack-ai>=2.8,<3",
]
diff --git a/integrations/cvfile-haystack/src/haystack_integrations/components/converters/cvfile/converter.py b/integrations/cvfile-haystack/src/haystack_integrations/components/converters/cvfile/converter.py
index 1150f4b..2c201d5 100644
--- a/integrations/cvfile-haystack/src/haystack_integrations/components/converters/cvfile/converter.py
+++ b/integrations/cvfile-haystack/src/haystack_integrations/components/converters/cvfile/converter.py
@@ -28,13 +28,41 @@ def _payload_meta(payload: ExtractedPayload, file: CvFile) -> dict[str, Any]:
"mime_type": payload.mime_type,
"payload": payload.name,
"relationship": payload.relationship,
- "language": payload.language or file.metadata.primary_language,
+ "language": payload.language,
"primary": payload.name == file.metadata.primary_payload,
"cv_version": file.metadata.version,
"cv_generator": file.metadata.generator,
}
+def _resolve_chunks(file: CvFile) -> list:
+ """Decode the file's embeddings.cbor into text-resolved chunks.
+
+ Delegates to the core SDK so chunk text slicing uses UTF-8 byte offsets
+ (spec §5.1) and stays the single source of truth. Returns an empty list
+ when the embed extra is not installed or the file carries no embeddings.
+ """
+ try:
+ from cvfile.embed import resolve_embedding_chunks
+ except ImportError:
+ return []
+ return resolve_embedding_chunks(file)
+
+
+def _chunk_meta(chunk: Any, file: CvFile) -> dict[str, Any]:
+ return {
+ "language": file.metadata.primary_language,
+ "cv_version": file.metadata.version,
+ "cv_generator": file.metadata.generator,
+ "chunk_id": chunk.id,
+ "chunk_offset": chunk.text_offset,
+ "chunk_length": chunk.text_length,
+ "embedding_model": chunk.model,
+ "embedding_dimension": chunk.dimension,
+ "embedding_metric": chunk.metric,
+ }
+
+
@component
class CVFileToDocument:
"""Convert ``.cv`` files into Haystack ``Document`` objects.
@@ -48,18 +76,32 @@ class CVFileToDocument:
Set ``primary_only=True`` to emit only the payload marked as
``primaryPayload`` in the file's XMP metadata (usually the canonical
Markdown copy), and skip all alternates.
+
+ Set ``mode="chunks"`` to emit one ``Document`` per pre-computed embedding
+ chunk instead of one per payload. Each chunk ``Document`` carries its vector
+ on ``Document.embedding`` and its text is sliced from the markdown using
+ UTF-8 byte offsets. Files without an embeddings payload fall back to a single
+ Markdown ``Document``. In ``mode="chunks"`` the ``primary_only`` flag is
+ ignored (chunks already index a single text payload).
"""
- def __init__(self, primary_only: bool = False) -> None:
+ def __init__(self, primary_only: bool = False, *, mode: str = "payloads") -> None:
"""Create a CVFileToDocument component.
:param primary_only:
If ``True``, emit only the payload marked as ``primaryPayload``
in the file's XMP metadata. If ``False`` (default), emit one
``Document`` per textual payload (the primary plus any
- language alternates and supplements).
+ language alternates and supplements). Ignored in ``mode="chunks"``.
+ :param mode:
+ ``"payloads"`` (default) emits one ``Document`` per textual payload.
+ ``"chunks"`` emits one ``Document`` per pre-computed embedding chunk
+ with its vector attached.
"""
+ if mode not in ("payloads", "chunks"):
+ raise ValueError("mode must be 'payloads' or 'chunks'")
self.primary_only = primary_only
+ self.mode = mode
@component.output_types(documents=list[Document])
def run(
@@ -105,6 +147,10 @@ def run(
stream_meta = bytestream.meta or {}
source_label = stream_meta.get("file_path") or stream_meta.get("file_name") or str(source)
+ if self.mode == "chunks":
+ documents.extend(self._chunk_documents(file, stream_meta, source_meta, source_label))
+ continue
+
for payload in file.payloads:
if not _is_text_payload(payload):
continue
@@ -115,3 +161,28 @@ def run(
documents.append(Document(content=payload.text(), meta=merged))
return {"documents": documents}
+
+ @staticmethod
+ def _chunk_documents(
+ file: CvFile,
+ stream_meta: dict[str, Any],
+ source_meta: dict[str, Any],
+ source_label: str,
+ ) -> list[Document]:
+ chunks = _resolve_chunks(file)
+ if not chunks:
+ primary = next(
+ (p for p in file.payloads if p.name == file.metadata.primary_payload and _is_text_payload(p)),
+ None,
+ )
+ if primary is None:
+ return []
+ payload_meta = _payload_meta(primary, file)
+ merged = {**stream_meta, **payload_meta, **source_meta, "source": source_label}
+ return [Document(content=primary.text(), meta=merged)]
+
+ out: list[Document] = []
+ for chunk in chunks:
+ merged = {**stream_meta, **_chunk_meta(chunk, file), **source_meta, "source": source_label}
+ out.append(Document(content=chunk.text, meta=merged, embedding=list(chunk.vector)))
+ return out
diff --git a/integrations/cvfile-haystack/tests/test_converter.py b/integrations/cvfile-haystack/tests/test_converter.py
index 797dc73..3c8af06 100644
--- a/integrations/cvfile-haystack/tests/test_converter.py
+++ b/integrations/cvfile-haystack/tests/test_converter.py
@@ -11,6 +11,7 @@
from haystack_integrations.components.converters.cvfile import CVFileToDocument
FIXTURE = Path(__file__).parents[3] / "packages" / "sdk-js" / "tests" / "fixtures" / "python-produced.cv"
+UNICODE_FIXTURE = Path(__file__).parents[2] / "tests" / "fixtures" / "unicode.cv"
@pytest.fixture(scope="module")
@@ -75,3 +76,33 @@ def test_unreadable_source_is_skipped(tmp_path: Path) -> None:
not_a_cv.write_bytes(b"not a real cv file")
result = converter.run(sources=[not_a_cv])
assert result["documents"] == []
+
+
+def test_chunks_mode_attaches_a_vector_per_chunk() -> None:
+ if not FIXTURE.exists():
+ pytest.skip(f"fixture not found: {FIXTURE}")
+ docs = CVFileToDocument(mode="chunks").run(sources=[FIXTURE])["documents"]
+ assert len(docs) >= 1
+ for doc in docs:
+ assert doc.embedding is not None
+ assert len(doc.embedding) == doc.meta["embedding_dimension"]
+ assert all(isinstance(v, float) for v in doc.embedding)
+ assert doc.content.strip(), "chunk text should not be empty"
+
+
+def test_invalid_mode_rejected() -> None:
+ with pytest.raises(ValueError):
+ CVFileToDocument(mode="bogus")
+
+
+def test_non_ascii_chunk_text_slices_on_byte_offsets() -> None:
+ if not UNICODE_FIXTURE.exists():
+ pytest.skip(f"fixture not found: {UNICODE_FIXTURE}")
+ docs = CVFileToDocument(mode="chunks").run(sources=[UNICODE_FIXTURE])["documents"]
+ joined = "".join(d.content for d in docs)
+ assert "Élodie" in joined
+ assert "工程師" in joined
+ assert "🚀" in joined
+ assert "经验" in joined
+ for doc in docs:
+ assert doc.content == doc.content.encode("utf-8").decode("utf-8")
diff --git a/integrations/langchain-cvfile/pyproject.toml b/integrations/langchain-cvfile/pyproject.toml
index 1b7ebd8..7842cfd 100644
--- a/integrations/langchain-cvfile/pyproject.toml
+++ b/integrations/langchain-cvfile/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
"Programming Language :: Python :: 3.13",
]
dependencies = [
- "cvfile>=0.1.0,<1",
+ "cvfile>=0.1,<2",
"langchain-core>=0.3,<1",
]
diff --git a/integrations/langchain-cvfile/src/langchain_cvfile/loader.py b/integrations/langchain-cvfile/src/langchain_cvfile/loader.py
index ee27ed6..c048e55 100644
--- a/integrations/langchain-cvfile/src/langchain_cvfile/loader.py
+++ b/integrations/langchain-cvfile/src/langchain_cvfile/loader.py
@@ -29,7 +29,7 @@ def _payload_to_document(payload: ExtractedPayload, file: CvFile, source: str) -
"mime_type": payload.mime_type,
"payload": payload.name,
"relationship": payload.relationship,
- "language": payload.language or file.metadata.primary_language,
+ "language": payload.language,
"primary": payload.name == file.metadata.primary_payload,
"cv_version": file.metadata.version,
"cv_generator": file.metadata.generator,
@@ -37,28 +37,86 @@ def _payload_to_document(payload: ExtractedPayload, file: CvFile, source: str) -
)
+def _resolve_chunks(file: CvFile) -> list:
+ """Decode the file's embeddings.cbor into text-resolved chunks.
+
+ Delegates to the core SDK so chunk text slicing uses UTF-8 byte offsets
+ (spec §5.1) and stays the single source of truth. Returns an empty list
+ when the embed extra is not installed or the file carries no embeddings.
+ """
+ try:
+ from cvfile.embed import resolve_embedding_chunks
+ except ImportError:
+ return []
+ return resolve_embedding_chunks(file)
+
+
class CVFileLoader(BaseLoader):
- """Load a ``.cv`` file and emit one ``Document`` per embedded text payload.
+ """Load a ``.cv`` file and emit ``Document`` objects.
A ``.cv`` file is a PDF/A-3u with Markdown, HTML, and optional JSON
- payloads attached via PDF Associated Files. This loader returns one
- ``Document`` per textual payload (the visual PDF layer is intentionally
- skipped: the embedded Markdown is a cleaner text representation of the
- same content, which is the whole point of the format).
-
- The payload marked as ``primaryPayload`` in the file's XMP metadata is
- flagged in ``metadata["primary"] = True`` so downstream code can keep
- just the canonical text and drop alternates if needed.
+ payloads attached via PDF Associated Files. The visual PDF layer is
+ intentionally skipped: the embedded Markdown is a cleaner text
+ representation of the same content, which is the whole point of the format.
+
+ Two modes are supported:
+
+ - ``mode="payloads"`` (default): one ``Document`` per textual payload. The
+ payload marked as ``primaryPayload`` in the file's XMP metadata is flagged
+ in ``metadata["primary"] = True`` so downstream code can keep just the
+ canonical text and drop alternates if needed.
+ - ``mode="chunks"``: one ``Document`` per pre-computed embedding chunk, with
+ the chunk's vector attached as ``metadata["embedding"]`` and the chunk
+ text sliced from the markdown using UTF-8 byte offsets. Falls back to a
+ single Markdown ``Document`` when the file carries no embeddings.
"""
- def __init__(self, file_path: Union[str, Path]) -> None:
+ def __init__(self, file_path: Union[str, Path], *, mode: str = "payloads") -> None:
+ if mode not in ("payloads", "chunks"):
+ raise ValueError("mode must be 'payloads' or 'chunks'")
self.file_path = Path(file_path)
+ self.mode = mode
def lazy_load(self) -> Iterator[Document]:
data = self.file_path.read_bytes()
file = extract(data)
source = str(self.file_path)
+
+ if self.mode == "chunks":
+ yield from self._lazy_load_chunks(file, source)
+ return
+
for payload in file.payloads:
if not _is_text_payload(payload):
continue
yield _payload_to_document(payload, file, source)
+
+ def _lazy_load_chunks(self, file: CvFile, source: str) -> Iterator[Document]:
+ chunks = _resolve_chunks(file)
+ if not chunks:
+ # No precomputed embeddings: fall back to the primary text payload.
+ primary = next(
+ (p for p in file.payloads if p.name == file.metadata.primary_payload and _is_text_payload(p)),
+ None,
+ )
+ if primary is not None:
+ yield _payload_to_document(primary, file, source)
+ return
+
+ for chunk in chunks:
+ yield Document(
+ page_content=chunk.text,
+ metadata={
+ "source": source,
+ "language": file.metadata.primary_language,
+ "cv_version": file.metadata.version,
+ "cv_generator": file.metadata.generator,
+ "chunk_id": chunk.id,
+ "chunk_offset": chunk.text_offset,
+ "chunk_length": chunk.text_length,
+ "embedding": list(chunk.vector),
+ "embedding_model": chunk.model,
+ "embedding_dimension": chunk.dimension,
+ "embedding_metric": chunk.metric,
+ },
+ )
diff --git a/integrations/langchain-cvfile/tests/test_loader.py b/integrations/langchain-cvfile/tests/test_loader.py
index f2c99b6..fb76457 100644
--- a/integrations/langchain-cvfile/tests/test_loader.py
+++ b/integrations/langchain-cvfile/tests/test_loader.py
@@ -10,6 +10,7 @@
from langchain_cvfile import CVFileLoader
FIXTURE = Path(__file__).parents[3] / "packages" / "sdk-js" / "tests" / "fixtures" / "python-produced.cv"
+UNICODE_FIXTURE = Path(__file__).parents[2] / "tests" / "fixtures" / "unicode.cv"
@pytest.fixture(scope="module")
@@ -46,3 +47,36 @@ def test_lazy_load_is_streaming(loader: CVFileLoader) -> None:
it = loader.lazy_load()
first = next(it)
assert isinstance(first, Document)
+
+
+def test_chunks_mode_attaches_a_vector_per_chunk() -> None:
+ if not FIXTURE.exists():
+ pytest.skip(f"fixture not found: {FIXTURE}")
+ docs = CVFileLoader(FIXTURE, mode="chunks").load()
+ assert len(docs) >= 1
+ for doc in docs:
+ emb = doc.metadata.get("embedding")
+ assert isinstance(emb, list) and len(emb) == doc.metadata["embedding_dimension"]
+ assert all(isinstance(v, float) for v in emb)
+ assert doc.metadata["embedding_model"]
+ assert doc.page_content.strip(), "chunk text should not be empty"
+
+
+def test_invalid_mode_rejected() -> None:
+ with pytest.raises(ValueError):
+ CVFileLoader(FIXTURE, mode="bogus")
+
+
+def test_non_ascii_chunk_text_slices_on_byte_offsets() -> None:
+ if not UNICODE_FIXTURE.exists():
+ pytest.skip(f"fixture not found: {UNICODE_FIXTURE}")
+ docs = CVFileLoader(UNICODE_FIXTURE, mode="chunks").load()
+ joined = "".join(d.page_content for d in docs)
+ # Multibyte characters survive intact: a code-point slice would mojibake these.
+ assert "Élodie" in joined
+ assert "工程師" in joined
+ assert "🚀" in joined
+ assert "经验" in joined
+ # Every chunk decodes to valid text (no broken surrogate / partial byte runs).
+ for doc in docs:
+ assert doc.page_content == doc.page_content.encode("utf-8").decode("utf-8")
diff --git a/integrations/llama-index-readers-cvfile/pyproject.toml b/integrations/llama-index-readers-cvfile/pyproject.toml
index 9277c13..2d2fe3f 100644
--- a/integrations/llama-index-readers-cvfile/pyproject.toml
+++ b/integrations/llama-index-readers-cvfile/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
"Programming Language :: Python :: 3.13",
]
dependencies = [
- "cvfile>=0.1.0,<1",
+ "cvfile>=0.1,<2",
"llama-index-core>=0.11,<0.15",
]
diff --git a/integrations/llama-index-readers-cvfile/src/llama_index/readers/cvfile/base.py b/integrations/llama-index-readers-cvfile/src/llama_index/readers/cvfile/base.py
index c34d891..b9b31f0 100644
--- a/integrations/llama-index-readers-cvfile/src/llama_index/readers/cvfile/base.py
+++ b/integrations/llama-index-readers-cvfile/src/llama_index/readers/cvfile/base.py
@@ -32,7 +32,7 @@ def _payload_to_document(
"mime_type": payload.mime_type,
"payload": payload.name,
"relationship": payload.relationship,
- "language": payload.language or file.metadata.primary_language,
+ "language": payload.language,
"primary": payload.name == file.metadata.primary_payload,
"cv_version": file.metadata.version,
"cv_generator": file.metadata.generator,
@@ -42,15 +42,41 @@ def _payload_to_document(
return Document(text=payload.text(), metadata=metadata)
+def _resolve_chunks(file: CvFile) -> list:
+ """Decode the file's embeddings.cbor into text-resolved chunks.
+
+ Delegates to the core SDK so chunk text slicing uses UTF-8 byte offsets
+ (spec §5.1) and stays the single source of truth. Returns an empty list
+ when the embed extra is not installed or the file carries no embeddings.
+ """
+ try:
+ from cvfile.embed import resolve_embedding_chunks
+ except ImportError:
+ return []
+ return resolve_embedding_chunks(file)
+
+
class CVFileReader(BaseReader):
- """Read a ``.cv`` file and emit one ``Document`` per embedded text payload.
+ """Read a ``.cv`` file and emit ``Document`` objects.
A ``.cv`` file is a PDF/A-3u carrying Markdown, HTML, and optional JSON
- payloads via PDF Associated Files. This reader returns one ``Document``
- per textual payload (the visual PDF layer is skipped because the embedded
- Markdown is a cleaner text representation of the same content).
+ payloads via PDF Associated Files. The visual PDF layer is skipped because
+ the embedded Markdown is a cleaner text representation of the same content.
+
+ Two modes are supported:
+
+ - ``mode="payloads"`` (default): one ``Document`` per textual payload.
+ - ``mode="chunks"``: one ``Document`` per pre-computed embedding chunk, with
+ the chunk's vector attached on ``Document.embedding`` and the chunk text
+ sliced from the markdown using UTF-8 byte offsets. Falls back to a single
+ Markdown ``Document`` when the file carries no embeddings.
"""
+ def __init__(self, *, mode: str = "payloads") -> None:
+ if mode not in ("payloads", "chunks"):
+ raise ValueError("mode must be 'payloads' or 'chunks'")
+ self.mode = mode
+
def load_data(
self,
file: Path,
@@ -59,8 +85,54 @@ def load_data(
path = Path(file)
cv_file = extract(path.read_bytes())
source = str(path)
+
+ if self.mode == "chunks":
+ return self._load_chunks(cv_file, source, extra_info)
+
return [
_payload_to_document(payload, cv_file, source, extra_info)
for payload in cv_file.payloads
if _is_text_payload(payload)
]
+
+ def _load_chunks(
+ self,
+ cv_file: CvFile,
+ source: str,
+ extra_info: Optional[dict],
+ ) -> list[Document]:
+ chunks = _resolve_chunks(cv_file)
+ if not chunks:
+ primary = next(
+ (
+ p
+ for p in cv_file.payloads
+ if p.name == cv_file.metadata.primary_payload and _is_text_payload(p)
+ ),
+ None,
+ )
+ if primary is None:
+ return []
+ return [_payload_to_document(primary, cv_file, source, extra_info)]
+
+ out: list[Document] = []
+ for chunk in chunks:
+ metadata: dict = {
+ "source": source,
+ "file_name": Path(source).name,
+ "language": cv_file.metadata.primary_language,
+ "cv_version": cv_file.metadata.version,
+ "cv_generator": cv_file.metadata.generator,
+ "chunk_id": chunk.id,
+ "chunk_offset": chunk.text_offset,
+ "chunk_length": chunk.text_length,
+ "embedding_model": chunk.model,
+ "embedding_dimension": chunk.dimension,
+ "embedding_metric": chunk.metric,
+ }
+ if extra_info:
+ metadata.update(extra_info)
+ doc = Document(text=chunk.text, metadata=metadata)
+ doc.embedding = list(chunk.vector)
+ out.append(doc)
+ return out
diff --git a/integrations/llama-index-readers-cvfile/tests/test_reader.py b/integrations/llama-index-readers-cvfile/tests/test_reader.py
index 4d86c25..0aa1492 100644
--- a/integrations/llama-index-readers-cvfile/tests/test_reader.py
+++ b/integrations/llama-index-readers-cvfile/tests/test_reader.py
@@ -10,6 +10,7 @@
from llama_index.readers.cvfile import CVFileReader
FIXTURE = Path(__file__).parents[3] / "packages" / "sdk-js" / "tests" / "fixtures" / "python-produced.cv"
+UNICODE_FIXTURE = Path(__file__).parents[2] / "tests" / "fixtures" / "unicode.cv"
@pytest.fixture(scope="module")
@@ -45,3 +46,33 @@ def test_primary_is_text_content(reader: CVFileReader) -> None:
def test_extra_info_is_merged(reader: CVFileReader) -> None:
docs = reader.load_data(file=FIXTURE, extra_info={"tenant": "acme"})
assert all(d.metadata.get("tenant") == "acme" for d in docs)
+
+
+def test_chunks_mode_attaches_a_vector_per_chunk() -> None:
+ if not FIXTURE.exists():
+ pytest.skip(f"fixture not found: {FIXTURE}")
+ docs = CVFileReader(mode="chunks").load_data(file=FIXTURE)
+ assert len(docs) >= 1
+ for doc in docs:
+ assert doc.embedding is not None
+ assert len(doc.embedding) == doc.metadata["embedding_dimension"]
+ assert all(isinstance(v, float) for v in doc.embedding)
+ assert doc.text.strip(), "chunk text should not be empty"
+
+
+def test_invalid_mode_rejected() -> None:
+ with pytest.raises(ValueError):
+ CVFileReader(mode="bogus")
+
+
+def test_non_ascii_chunk_text_slices_on_byte_offsets() -> None:
+ if not UNICODE_FIXTURE.exists():
+ pytest.skip(f"fixture not found: {UNICODE_FIXTURE}")
+ docs = CVFileReader(mode="chunks").load_data(file=UNICODE_FIXTURE)
+ joined = "".join(d.text for d in docs)
+ assert "Élodie" in joined
+ assert "工程師" in joined
+ assert "🚀" in joined
+ assert "经验" in joined
+ for doc in docs:
+ assert doc.text == doc.text.encode("utf-8").decode("utf-8")
diff --git a/integrations/tests/fixtures/build_unicode_fixture.py b/integrations/tests/fixtures/build_unicode_fixture.py
new file mode 100644
index 0000000..e04717a
--- /dev/null
+++ b/integrations/tests/fixtures/build_unicode_fixture.py
@@ -0,0 +1,99 @@
+"""Build a non-ASCII .cv fixture so the byte-offset chunk path is covered.
+
+The markdown mixes accented Latin, CJK and emoji so that UTF-8 byte offsets
+diverge from code-point indices: a chunker that sliced on str indices would
+return garbled text here, while byte-offset slicing recovers the exact source.
+
+Run with the cvfile SDK (and its [embed] extra) on PYTHONPATH:
+
+ python integrations/tests/fixtures/build_unicode_fixture.py
+"""
+
+from __future__ import annotations
+
+import hashlib
+import io
+import struct
+from pathlib import Path
+
+import pypdf
+from cvfile import extract, pack, validate
+from cvfile.embed import EmbedOptions, embed
+
+_EMBED_DIMENSION = 8
+
+# Heading-led sections so the section chunker emits one chunk per section, and
+# every section contains multibyte characters before later sections start.
+UNICODE_MD = """# Élodie Gauthier · 工程師 🚀
+
+Ingénieure logicielle à Montréal, Québec. Café ☕ et résolution de problèmes.
+
+## Expérience 经验
+
+* Conçu des systèmes distribués 分布式系统 à grande échelle
+* Mentorat d'équipe 团队 et révisions de code 🔍
+
+## Compétences
+
+* Python, Rust, Go — performance et fiabilité
+* Langues : français, English, 中文 🌏
+"""
+
+UNICODE_HTML = (
+ '\n'
+ 'Élodie Gauthier\n'
+ "
Élodie Gauthier · 工程師 🚀
Ingénieure logicielle.
"
+)
+
+
+class DeterministicBackend:
+ """Offline, reproducible embedding backend (see build_python_sample.py)."""
+
+ model = "fixture/deterministic-hash"
+ model_revision = "v1"
+ metric = "cosine"
+ normalized = False
+
+ def embed(self, texts: list[str]) -> tuple[list[tuple[float, ...]], int]:
+ vectors: list[tuple[float, ...]] = []
+ for text in texts:
+ digest = hashlib.sha256(text.encode("utf-8")).digest()
+ raw = (digest * ((_EMBED_DIMENSION * 4) // len(digest) + 1))[: _EMBED_DIMENSION * 4]
+ vectors.append(struct.unpack(f"<{_EMBED_DIMENSION}f", raw))
+ return vectors, _EMBED_DIMENSION
+
+
+def make_blank_pdf() -> bytes:
+ writer = pypdf.PdfWriter()
+ writer.add_blank_page(width=300, height=400)
+ buf = io.BytesIO()
+ writer.write(buf)
+ return buf.getvalue()
+
+
+def main() -> None:
+ out_dir = Path(__file__).resolve().parent
+ out_dir.mkdir(parents=True, exist_ok=True)
+
+ embeddings = embed(UNICODE_MD, EmbedOptions(chunking="section", backend=DeterministicBackend()))
+
+ cv = pack(
+ pdf=make_blank_pdf(),
+ markdown=UNICODE_MD,
+ html=UNICODE_HTML,
+ embeddings=embeddings,
+ metadata={"primary_language": "fr", "generator": "cvfile-integrations/unicode-fixture"},
+ )
+
+ out_path = out_dir / "unicode.cv"
+ out_path.write_bytes(cv)
+ print(f"Wrote {out_path} ({len(cv)} bytes)")
+
+ file = extract(cv)
+ print(f" payloads: {[p.name for p in file.payloads]}")
+ report = validate(cv)
+ print(f" validate: ok={report.ok} issues={len(report.issues)}")
+
+
+if __name__ == "__main__":
+ main()
diff --git a/integrations/tests/fixtures/unicode.cv b/integrations/tests/fixtures/unicode.cv
new file mode 100644
index 0000000..6f666e1
Binary files /dev/null and b/integrations/tests/fixtures/unicode.cv differ
diff --git a/packages/embed-js/src/chunk.ts b/packages/embed-js/src/chunk.ts
index e2855e3..abf9c32 100644
--- a/packages/embed-js/src/chunk.ts
+++ b/packages/embed-js/src/chunk.ts
@@ -5,8 +5,18 @@
* carries the byte offset and length into the original UTF-8 source so a
* downstream consumer can map a vector hit back to the exact substring
* without re-tokenising. Pre-heading content becomes a "preamble" chunk.
+ *
+ * Per spec §5.1, `textOffset`/`textLength` are UTF-8 *byte* offsets into the
+ * markdown source. We encode the document once with `TextEncoder`, track a
+ * byte cursor while iterating lines (counting the trailing `\n` byte), and
+ * derive each chunk's `text` by decoding the corresponding byte slice. This
+ * keeps the offsets in agreement with the Go and Python SDKs for any
+ * non-ASCII résumé.
*/
+const encoder = new TextEncoder();
+const decoder = new TextDecoder();
+
export type ChunkingMode = 'document' | 'section' | 'paragraph';
export interface MarkdownChunk {
@@ -22,26 +32,38 @@ export interface ChunkOptions {
const HEADING = /^(#{1,6})\s+(.+?)\s*$/;
+/** A source line plus its UTF-8 byte offset and byte length (including any trailing `\n`). */
+interface ByteLine {
+ text: string;
+ offset: number;
+ byteLength: number;
+}
+
export function chunkMarkdown(markdown: string, opts: ChunkOptions = {}): MarkdownChunk[] {
const mode = opts.mode ?? 'section';
+ const bytes = encoder.encode(markdown);
if (mode === 'document') {
- return [{ id: 'document', textOffset: 0, textLength: markdown.length, text: markdown }];
+ return [documentChunk(bytes)];
}
if (mode === 'paragraph') {
- return paragraphChunks(markdown);
+ return paragraphChunks(bytes);
}
- return sectionChunks(markdown);
+ return sectionChunks(bytes);
+}
+
+function documentChunk(bytes: Uint8Array): MarkdownChunk {
+ return { id: 'document', textOffset: 0, textLength: bytes.byteLength, text: sliceText(bytes, 0, bytes.byteLength) };
}
-function sectionChunks(markdown: string): MarkdownChunk[] {
- const lines = splitWithOffsets(markdown);
+function sectionChunks(bytes: Uint8Array): MarkdownChunk[] {
+ const lines = splitWithByteOffsets(bytes);
const sections: MarkdownChunk[] = [];
let current: { id: string; start: number; end: number } | null = null;
const ids = new Set();
function flush(end: number): void {
if (!current) return;
- const text = markdown.slice(current.start, end);
+ const text = sliceText(bytes, current.start, end);
if (text.trim().length === 0) {
current = null;
return;
@@ -52,63 +74,93 @@ function sectionChunks(markdown: string): MarkdownChunk[] {
for (const line of lines) {
const match = HEADING.exec(line.text);
+ const lineEnd = line.offset + line.byteLength;
if (match) {
flush(line.offset);
const id = uniqueId(slugify(match[2] ?? `section-${sections.length + 1}`), ids);
ids.add(id);
- current = { id, start: line.offset, end: line.offset + line.text.length };
+ current = { id, start: line.offset, end: lineEnd };
continue;
}
if (current === null) {
const id = uniqueId('preamble', ids);
ids.add(id);
- current = { id, start: line.offset, end: line.offset + line.text.length };
+ current = { id, start: line.offset, end: lineEnd };
} else {
- current.end = line.offset + line.text.length;
+ current.end = lineEnd;
}
}
- flush(markdown.length);
+ flush(bytes.byteLength);
if (sections.length === 0) {
- return [{ id: 'document', textOffset: 0, textLength: markdown.length, text: markdown }];
+ return [documentChunk(bytes)];
}
return sections;
}
-function paragraphChunks(markdown: string): MarkdownChunk[] {
+function paragraphChunks(bytes: Uint8Array): MarkdownChunk[] {
const out: MarkdownChunk[] = [];
const ids = new Set();
+ const separator = encoder.encode('\n\n');
let cursor = 0;
let i = 0;
- while (cursor < markdown.length) {
- let end = markdown.indexOf('\n\n', cursor);
- if (end === -1) end = markdown.length;
- const text = markdown.slice(cursor, end);
+ while (cursor < bytes.byteLength) {
+ let end = indexOfBytes(bytes, separator, cursor);
+ if (end === -1) end = bytes.byteLength;
+ const text = sliceText(bytes, cursor, end);
if (text.trim().length > 0) {
const id = uniqueId(slugify(text.split('\n')[0] ?? `p-${i}`), ids);
ids.add(id);
- out.push({ id, textOffset: cursor, textLength: text.length, text });
+ out.push({ id, textOffset: cursor, textLength: end - cursor, text });
i += 1;
}
- cursor = end + 2;
+ cursor = end + separator.byteLength;
}
if (out.length === 0) {
- return [{ id: 'document', textOffset: 0, textLength: markdown.length, text: markdown }];
+ return [documentChunk(bytes)];
}
return out;
}
-function splitWithOffsets(s: string): { text: string; offset: number }[] {
- const lines: { text: string; offset: number }[] = [];
- let offset = 0;
- for (const line of s.split('\n')) {
- const withNl = line + (offset + line.length < s.length ? '\n' : '');
- lines.push({ text: withNl, offset });
- offset += withNl.length;
+/** Decode the UTF-8 byte slice `[start, end)` back into a string. */
+function sliceText(bytes: Uint8Array, start: number, end: number): string {
+ return decoder.decode(bytes.subarray(start, end));
+}
+
+/** Split UTF-8 bytes into lines, each tagged with its byte offset and byte length (newline included). */
+function splitWithByteOffsets(bytes: Uint8Array): ByteLine[] {
+ const newline = 0x0a; // '\n'
+ const lines: ByteLine[] = [];
+ let start = 0;
+ for (let i = 0; i < bytes.byteLength; i += 1) {
+ if (bytes[i] === newline) {
+ const byteLength = i - start + 1;
+ lines.push({ text: sliceText(bytes, start, i + 1), offset: start, byteLength });
+ start = i + 1;
+ }
+ }
+ if (start < bytes.byteLength) {
+ lines.push({ text: sliceText(bytes, start, bytes.byteLength), offset: start, byteLength: bytes.byteLength - start });
}
return lines;
}
+/** Find the byte index of `needle` in `haystack` at or after `from`, or -1. */
+function indexOfBytes(haystack: Uint8Array, needle: Uint8Array, from: number): number {
+ const last = haystack.byteLength - needle.byteLength;
+ for (let i = from; i <= last; i += 1) {
+ let matched = true;
+ for (let j = 0; j < needle.byteLength; j += 1) {
+ if (haystack[i + j] !== needle[j]) {
+ matched = false;
+ break;
+ }
+ }
+ if (matched) return i;
+ }
+ return -1;
+}
+
function slugify(s: string): string {
return (
s
diff --git a/packages/embed-js/tests/chunk.test.ts b/packages/embed-js/tests/chunk.test.ts
index 63c24ea..99fd07e 100644
--- a/packages/embed-js/tests/chunk.test.ts
+++ b/packages/embed-js/tests/chunk.test.ts
@@ -1,6 +1,13 @@
import { describe, expect, it } from 'vitest';
import { chunkMarkdown } from '../src/chunk.js';
+const encoder = new TextEncoder();
+const decoder = new TextDecoder();
+
+function byteSlice(source: string, offset: number, length: number): string {
+ return decoder.decode(encoder.encode(source).subarray(offset, offset + length));
+}
+
const sample = `# Jane Doe
Senior engineer.
@@ -24,8 +31,39 @@ describe('chunkMarkdown', () => {
it('preserves byte offsets that index back into the source', () => {
const chunks = chunkMarkdown(sample);
for (const c of chunks) {
- const slice = sample.slice(c.textOffset, c.textOffset + c.textLength);
- expect(slice).toBe(c.text);
+ expect(byteSlice(sample, c.textOffset, c.textLength)).toBe(c.text);
+ }
+ });
+
+ it('emits UTF-8 byte offsets that slice back correctly for multibyte content', () => {
+ const multibyte = `# Résumé de Zoé 🚀
+
+Ingénieure logicielle. 日本語 も少し.
+
+## Expérience
+
+- Société Générale, 2020 à 2024 — café ☕ inclus
+
+## Compétences
+
+TypeScript, Go, Python. Naïve façade.
+`;
+ const chunks = chunkMarkdown(multibyte);
+ expect(chunks.length).toBeGreaterThan(1);
+ const totalBytes = new TextEncoder().encode(multibyte).byteLength;
+ for (const c of chunks) {
+ // Offsets address bytes, not UTF-16 code units.
+ expect(c.textOffset).toBeGreaterThanOrEqual(0);
+ expect(c.textOffset + c.textLength).toBeLessThanOrEqual(totalBytes);
+ expect(byteSlice(multibyte, c.textOffset, c.textLength)).toBe(c.text);
+ }
+ // Heading slug retains ASCII slugification of the multibyte title.
+ expect(chunks[0]?.id).toBe('r-sum-de-zo');
+ // First chunk's byte length exceeds its UTF-16 length because of the emoji + accents.
+ const first = chunks[0];
+ expect(first).toBeDefined();
+ if (first) {
+ expect(first.textLength).toBeGreaterThan(first.text.length);
}
});
diff --git a/packages/sdk-js/src/digest.ts b/packages/sdk-js/src/digest.ts
index 43051a1..b435c8e 100644
--- a/packages/sdk-js/src/digest.ts
+++ b/packages/sdk-js/src/digest.ts
@@ -16,3 +16,94 @@ function bytesToHex(bytes: Uint8Array): string {
}
return hex;
}
+
+/**
+ * MD5 of the given bytes, returned as a lowercase hex string.
+ *
+ * MD5 is cryptographically broken and is used here ONLY because the PDF
+ * specification mandates an MD5 /CheckSum on embedded-file /Params (spec §4.1);
+ * Web Crypto does not expose MD5, so we provide a small RFC 1321 implementation.
+ */
+export function md5Hex(bytes: Uint8Array): string {
+ const digest = md5(bytes);
+ return bytesToHex(digest);
+}
+
+const S = [
+ 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
+ 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15,
+ 21,
+];
+
+const K = (() => {
+ const out = new Uint32Array(64);
+ for (let i = 0; i < 64; i += 1) {
+ out[i] = Math.floor(Math.abs(Math.sin(i + 1)) * 2 ** 32) >>> 0;
+ }
+ return out;
+})();
+
+function md5(input: Uint8Array): Uint8Array {
+ const originalBitLen = input.length * 8;
+ const padLen = ((input.length + 8) >> 6) + 1; // number of 64-byte blocks
+ const msg = new Uint8Array(padLen * 64);
+ msg.set(input);
+ msg[input.length] = 0x80;
+ const view = new DataView(msg.buffer);
+ view.setUint32(msg.length - 8, originalBitLen >>> 0, true);
+ view.setUint32(msg.length - 4, Math.floor(originalBitLen / 2 ** 32) >>> 0, true);
+
+ let a0 = 0x67452301;
+ let b0 = 0xefcdab89;
+ let c0 = 0x98badcfe;
+ let d0 = 0x10325476;
+
+ const m = new Uint32Array(16);
+ for (let off = 0; off < msg.length; off += 64) {
+ for (let i = 0; i < 16; i += 1) {
+ m[i] = view.getUint32(off + i * 4, true);
+ }
+ let a = a0;
+ let b = b0;
+ let c = c0;
+ let d = d0;
+ for (let i = 0; i < 64; i += 1) {
+ let f: number;
+ let g: number;
+ if (i < 16) {
+ f = (b & c) | (~b & d);
+ g = i;
+ } else if (i < 32) {
+ f = (d & b) | (~d & c);
+ g = (5 * i + 1) % 16;
+ } else if (i < 48) {
+ f = b ^ c ^ d;
+ g = (3 * i + 5) % 16;
+ } else {
+ f = c ^ (b | ~d);
+ g = (7 * i) % 16;
+ }
+ f = (f + a + K[i]! + m[g]!) >>> 0;
+ a = d;
+ d = c;
+ c = b;
+ b = (b + rotl(f, S[i]!)) >>> 0;
+ }
+ a0 = (a0 + a) >>> 0;
+ b0 = (b0 + b) >>> 0;
+ c0 = (c0 + c) >>> 0;
+ d0 = (d0 + d) >>> 0;
+ }
+
+ const out = new Uint8Array(16);
+ const outView = new DataView(out.buffer);
+ outView.setUint32(0, a0, true);
+ outView.setUint32(4, b0, true);
+ outView.setUint32(8, c0, true);
+ outView.setUint32(12, d0, true);
+ return out;
+}
+
+function rotl(x: number, c: number): number {
+ return ((x << c) | (x >>> (32 - c))) >>> 0;
+}
diff --git a/packages/sdk-js/src/embeddings.ts b/packages/sdk-js/src/embeddings.ts
index 717dfb2..a860e79 100644
--- a/packages/sdk-js/src/embeddings.ts
+++ b/packages/sdk-js/src/embeddings.ts
@@ -96,9 +96,26 @@ function toCborSpace(space: EmbeddingSpace): CborSpace {
}
function fromCborSpace(raw: CborSpace): EmbeddingSpace {
- if (typeof raw.dimension !== 'number' || raw.dimension <= 0) {
- throw new Error('Invalid embedding space: dimension must be a positive integer');
+ if (typeof raw !== 'object' || raw === null) {
+ throw new Error('Invalid embedding space: not a map');
}
+ if (typeof raw.normalized !== 'boolean') {
+ throw new Error(`Invalid embedding space "${raw.model}": normalized must be a boolean`);
+ }
+ if (!Array.isArray(raw.chunks)) {
+ throw new Error(`Invalid embedding space "${raw.model}": chunks must be an array`);
+ }
+ // Mirror the encode-side guarantees (validateSpace) so attacker-supplied CBOR
+ // cannot smuggle untyped model/metric/chunking/dimension values past readers.
+ // Scalars are checked before decoding chunks so the dimension used for vector
+ // length checks is known-valid.
+ validateScalars({
+ model: raw.model,
+ modelRevision: raw['model-revision'],
+ dimension: raw.dimension,
+ metric: raw.metric,
+ chunking: raw.chunking,
+ });
return {
model: raw.model,
modelRevision: raw['model-revision'],
@@ -140,19 +157,40 @@ function fromCborChunk(raw: CborChunk, dimension: number): EmbeddingChunk {
}
function validateSpace(space: EmbeddingSpace): void {
- if (!space.model) throw new Error('Embedding space missing model');
- if (!space.modelRevision) throw new Error(`Embedding space "${space.model}" missing modelRevision`);
- if (!Number.isInteger(space.dimension) || space.dimension <= 0) {
+ validateScalars({
+ model: space.model,
+ modelRevision: space.modelRevision,
+ dimension: space.dimension,
+ metric: space.metric,
+ chunking: space.chunking,
+ });
+ if (!Array.isArray(space.chunks) || space.chunks.length === 0) {
+ throw new Error(`Embedding space "${space.model}" must contain at least one chunk`);
+ }
+}
+
+interface SpaceScalars {
+ model: unknown;
+ modelRevision: unknown;
+ dimension: unknown;
+ metric: unknown;
+ chunking: unknown;
+}
+
+/** Validates the scalar header fields shared by the encode and decode paths. */
+function validateScalars(space: SpaceScalars): void {
+ if (!space.model || typeof space.model !== 'string') throw new Error('Embedding space missing model');
+ if (!space.modelRevision || typeof space.modelRevision !== 'string') {
+ throw new Error(`Embedding space "${space.model}" missing modelRevision`);
+ }
+ if (!Number.isInteger(space.dimension) || (space.dimension as number) <= 0) {
throw new Error(`Embedding space "${space.model}" dimension must be a positive integer`);
}
if (space.metric !== 'cosine' && space.metric !== 'dot' && space.metric !== 'euclidean') {
- throw new Error(`Embedding space "${space.model}" has invalid metric "${space.metric}"`);
+ throw new Error(`Embedding space "${space.model}" has invalid metric "${String(space.metric)}"`);
}
if (space.chunking !== 'document' && space.chunking !== 'section' && space.chunking !== 'paragraph') {
- throw new Error(`Embedding space "${space.model}" has invalid chunking "${space.chunking}"`);
- }
- if (!Array.isArray(space.chunks) || space.chunks.length === 0) {
- throw new Error(`Embedding space "${space.model}" must contain at least one chunk`);
+ throw new Error(`Embedding space "${space.model}" has invalid chunking "${String(space.chunking)}"`);
}
}
diff --git a/packages/sdk-js/src/pack.ts b/packages/sdk-js/src/pack.ts
index 6136e7c..41b0266 100644
--- a/packages/sdk-js/src/pack.ts
+++ b/packages/sdk-js/src/pack.ts
@@ -1,6 +1,6 @@
-import { AFRelationship, PDFArray, PDFDocument, PDFHexString, PDFName, PDFString } from 'pdf-lib';
+import { AFRelationship, PDFArray, PDFDict, PDFDocument, PDFHexString, PDFName, PDFStream, PDFString } from 'pdf-lib';
import { CV_SPEC_VERSION, DEFAULT_GENERATOR, DEFAULT_PAYLOAD_NAMES, PAYLOAD_MIME_TYPES } from './constants.js';
-import { sha256Hex } from './digest.js';
+import { md5Hex, sha256Hex } from './digest.js';
import { encodeEmbeddings, type EmbeddingsPayload } from './embeddings.js';
import { toBytes, toUint8Array } from './normalize.js';
import { setMetadataXml } from './pdf.js';
@@ -35,8 +35,10 @@ export async function pack(input: PackInput): Promise {
}
}
+ const payloadBytesByName = new Map();
for (const p of payloads) {
const bytes = toBytes(p.data);
+ payloadBytesByName.set(p.name, bytes);
pdfDoc.attach(bytes, p.name, {
mimeType: p.mimeType,
description: p.description ?? defaultDescription(p),
@@ -72,9 +74,90 @@ export async function pack(input: PackInput): Promise {
setTrailerId(pdfDoc);
}
+ // Materialize the embedded-file streams so we can amend their /Params before
+ // serialization. flush() is idempotent (each embeddable guards re-embedding).
+ await pdfDoc.flush();
+ setEmbeddedFileChecksums(pdfDoc, payloadBytesByName, created, modified);
+ setInfoDates(pdfDoc, created, modified);
+
return pdfDoc.save({ useObjectStreams: false });
}
+const PARAMS = PDFName.of('Params');
+const CHECKSUM = PDFName.of('CheckSum');
+const CREATION_DATE = PDFName.of('CreationDate');
+const MOD_DATE = PDFName.of('ModDate');
+
+/**
+ * Set the spec-mandated MD5 /CheckSum (spec §4.1) on each embedded-file
+ * stream's /Params, computed over the unwrapped payload bytes. pdf-lib emits
+ * /Size and /ModDate but never /CheckSum. Dates are rewritten with an explicit
+ * UTC offset so they agree with the XMP UTC dateTime (PDF/A-3 date hygiene).
+ */
+function setEmbeddedFileChecksums(
+ pdfDoc: PDFDocument,
+ payloadBytesByName: Map,
+ created: Date,
+ modified: Date,
+): void {
+ const afRaw = pdfDoc.catalog.get(PDFName.of('AF'));
+ if (!afRaw) return;
+ const afArray = pdfDoc.context.lookup(afRaw, PDFArray);
+
+ for (let i = 0; i < afArray.size(); i += 1) {
+ const filespec = pdfDoc.context.lookup(afArray.get(i), PDFDict);
+ const name = filespecName(filespec);
+ const efRaw = filespec.get(PDFName.of('EF'));
+ if (!efRaw) continue;
+ const efDict = pdfDoc.context.lookup(efRaw, PDFDict);
+ const streamRef = efDict.get(PDFName.of('F')) ?? efDict.get(PDFName.of('UF'));
+ const stream = pdfDoc.context.lookup(streamRef);
+ if (!(stream instanceof PDFStream)) continue;
+
+ const bytes = name ? payloadBytesByName.get(name) : undefined;
+ if (!bytes) continue;
+
+ let params = stream.dict.get(PARAMS);
+ if (!(params instanceof PDFDict)) {
+ params = pdfDoc.context.obj({});
+ stream.dict.set(PARAMS, params);
+ }
+ const paramsDict = params as PDFDict;
+ paramsDict.set(CHECKSUM, PDFHexString.of(md5Hex(bytes)));
+ paramsDict.set(CREATION_DATE, PDFString.of(pdfDate(created)));
+ paramsDict.set(MOD_DATE, PDFString.of(pdfDate(modified)));
+ }
+}
+
+function filespecName(filespec: PDFDict): string | undefined {
+ const uf = filespec.get(PDFName.of('UF'));
+ if (uf instanceof PDFHexString) return uf.decodeText();
+ if (uf instanceof PDFString) return uf.asString();
+ const f = filespec.get(PDFName.of('F'));
+ if (f instanceof PDFString) return f.asString();
+ if (f instanceof PDFHexString) return f.decodeText();
+ return undefined;
+}
+
+/**
+ * Set the document Info CreationDate/ModDate to the cv created/modified values
+ * with an explicit UTC offset so they match the XMP UTC dateTime.
+ */
+function setInfoDates(pdfDoc: PDFDocument, created: Date, modified: Date): void {
+ const info = pdfDoc.context.lookup(pdfDoc.context.trailerInfo.Info, PDFDict);
+ info.set(CREATION_DATE, PDFString.of(pdfDate(created)));
+ info.set(MOD_DATE, PDFString.of(pdfDate(modified)));
+}
+
+/** PDF date string in UTC with an explicit "+00'00'" offset (ISO 32000 §7.9.4). */
+function pdfDate(d: Date): string {
+ const p = (n: number, w = 2): string => String(n).padStart(w, '0');
+ return (
+ `D:${p(d.getUTCFullYear(), 4)}${p(d.getUTCMonth() + 1)}${p(d.getUTCDate())}` +
+ `${p(d.getUTCHours())}${p(d.getUTCMinutes())}${p(d.getUTCSeconds())}+00'00'`
+ );
+}
+
function addPdfaOutputIntent(pdfDoc: PDFDocument): void {
const existing = pdfDoc.catalog.lookup(PDFName.of('OutputIntents'));
if (existing instanceof PDFArray && existing.size() > 0) {
@@ -169,6 +252,7 @@ function collectPayloads(input: PackInput): { payloads: Payload[]; embeddingSumm
const seen = new Set();
for (const p of out) {
+ assertPortableName(p.name);
if (seen.has(p.name)) {
throw new Error(`Duplicate payload name: ${p.name}`);
}
@@ -177,6 +261,24 @@ function collectPayloads(input: PackInput): { payloads: Payload[]; embeddingSumm
return { payloads: out, embeddingSummaries };
}
+/** Matches the POSIX-portable filename charset required by spec §4.4. */
+export const PORTABLE_NAME_RE = /^[A-Za-z0-9._/-]+$/;
+
+/**
+ * Reject payload names that are not POSIX-portable (spec §4.4) or that contain
+ * "." / ".." path segments, which would allow path traversal on extraction.
+ */
+export function assertPortableName(name: string): void {
+ if (!PORTABLE_NAME_RE.test(name)) {
+ throw new Error(`Payload name "${name}" is not POSIX-portable; allowed charset is [A-Za-z0-9._/-] (spec §4.4)`);
+ }
+ for (const segment of name.split('/')) {
+ if (segment === '.' || segment === '..') {
+ throw new Error(`Payload name "${name}" contains a "${segment}" path segment (spec §4.4)`);
+ }
+ }
+}
+
function resolveEmbeddings(
input: PackInput['embeddings'],
summaryOut: EmbeddingSpaceSummary[],
diff --git a/packages/sdk-js/src/pdf.ts b/packages/sdk-js/src/pdf.ts
index abb4f90..822b1cc 100644
--- a/packages/sdk-js/src/pdf.ts
+++ b/packages/sdk-js/src/pdf.ts
@@ -4,6 +4,7 @@ import {
PDFDocument,
PDFHexString,
PDFName,
+ PDFNumber,
PDFRawStream,
PDFStream,
PDFString,
@@ -36,6 +37,10 @@ export async function loadDocument(bytes: Uint8Array): Promise {
return PDFDocument.load(bytes, {
updateMetadata: false,
throwOnInvalidObject: false,
+ // Parse encrypted files instead of throwing, so the validator can surface
+ // the authoritative /Encrypt trailer entry as the documented spec-§3.4
+ // error code rather than a generic parse failure.
+ ignoreEncryption: true,
});
}
@@ -217,9 +222,13 @@ function decodeStream(stream: PDFStream): Uint8Array | null {
}
}
+ const decodeParms = collectDecodeParms(stream.dict, filters.length);
+
let bytes: Uint8Array = raw;
- for (const f of filters) {
+ for (let i = 0; i < filters.length; i += 1) {
+ const f = filters[i]!;
if (f === 'FlateDecode') {
+ assertNoPredictor(decodeParms[i]);
bytes = pako.inflate(bytes);
} else {
return null;
@@ -228,6 +237,44 @@ function decodeStream(stream: PDFStream): Uint8Array | null {
return bytes;
}
+const DECODE_PARMS_NAME = PDFName.of('DecodeParms');
+const PREDICTOR_NAME = PDFName.of('Predictor');
+
+/**
+ * Returns the /DecodeParms dictionary that applies to each filter, in filter
+ * order. /DecodeParms may be a single dict (one filter) or an array aligned
+ * with /Filter; missing entries are undefined (no parameters).
+ */
+function collectDecodeParms(dict: PDFDict, filterCount: number): (PDFDict | undefined)[] {
+ const out: (PDFDict | undefined)[] = new Array(filterCount).fill(undefined);
+ const parms = dict.get(DECODE_PARMS_NAME);
+ if (parms instanceof PDFDict) {
+ out[0] = parms;
+ } else if (parms instanceof PDFArray) {
+ for (let i = 0; i < parms.size() && i < filterCount; i += 1) {
+ const entry = parms.get(i);
+ if (entry instanceof PDFDict) out[i] = entry;
+ }
+ }
+ return out;
+}
+
+/**
+ * FlateDecode streams may declare a PNG/TIFF /Predictor in /DecodeParms. This
+ * SDK does not implement predictor reversal, so rather than silently returning
+ * garbage we reject such streams with a clear, actionable error.
+ */
+function assertNoPredictor(parms: PDFDict | undefined): void {
+ if (!parms) return;
+ const predictor = parms.get(PREDICTOR_NAME);
+ if (predictor instanceof PDFNumber && predictor.asNumber() > 1) {
+ throw new Error(
+ `Unsupported FlateDecode /DecodeParms /Predictor ${predictor.asNumber()}; ` +
+ 'PNG/TIFF predictors are not supported by this SDK',
+ );
+ }
+}
+
export function toExtractedPayload(raw: RawPayload, language?: string): ExtractedPayload {
const out: ExtractedPayload = {
name: raw.name,
diff --git a/packages/sdk-js/src/security.ts b/packages/sdk-js/src/security.ts
index 873b1d0..7b77f71 100644
--- a/packages/sdk-js/src/security.ts
+++ b/packages/sdk-js/src/security.ts
@@ -1,28 +1,27 @@
-import { PDFArray, PDFDict, PDFDocument, PDFHexString, PDFName, PDFObject, PDFString } from 'pdf-lib';
+import { PDFArray, PDFDict, PDFDocument, PDFHexString, PDFName, PDFObject, PDFRef, PDFString } from 'pdf-lib';
import type { ValidationIssue } from './types.js';
const TYPE = PDFName.of('Type');
-const SUBTYPE = PDFName.of('Subtype');
const S_KEY = PDFName.of('S');
const JS_KEY = PDFName.of('JS');
const JAVASCRIPT_KEY = PDFName.of('JavaScript');
const F_KEY = PDFName.of('F');
const UF_KEY = PDFName.of('UF');
const EF_KEY = PDFName.of('EF');
-const NAMES_KEY = PDFName.of('Names');
-const ACTION = PDFName.of('Action');
-const FILESPEC = PDFName.of('Filespec');
-
-const SUBMIT_FORM = PDFName.of('SubmitForm');
-const LAUNCH = PDFName.of('Launch');
-const IMPORT_DATA = PDFName.of('ImportData');
-const JS_ACTION = PDFName.of('JavaScript');
+const SUBMIT_FORM = 'SubmitForm';
+const LAUNCH = 'Launch';
+const IMPORT_DATA = 'ImportData';
+const JS_ACTION = 'JavaScript';
/**
- * Walk the entire indirect-object graph and report any construct prohibited
- * by the .cv spec §3.4. Each rule maps to a stable error code so consumers
- * can pattern-match without parsing free-text messages.
+ * Walk the entire object graph from the catalog and report any construct
+ * prohibited by the .cv spec §3.4. The walk descends through every PDFDict and
+ * PDFArray value, resolving indirect references, so that forbidden actions
+ * carried as DIRECT/inline children (e.g. catalog /OpenAction, page /Annots/A,
+ * /AA, AcroForm field actions) are caught as well as indirect ones. Each rule
+ * maps to a stable error code so consumers can pattern-match without parsing
+ * free-text messages. Mirrors the Python reference impl in _security.py.
*/
export function scanForbiddenConstructs(pdfDoc: PDFDocument): ValidationIssue[] {
const issues: ValidationIssue[] = [];
@@ -35,44 +34,58 @@ export function scanForbiddenConstructs(pdfDoc: PDFDocument): ValidationIssue[]
});
}
- for (const [, obj] of pdfDoc.context.enumerateIndirectObjects()) {
- if (!(obj instanceof PDFDict)) continue;
- inspectDict(pdfDoc, obj, issues);
- }
+ const seen = new Set();
+ walk(pdfDoc, pdfDoc.catalog, seen, issues);
return dedupe(issues);
}
+function walk(pdfDoc: PDFDocument, value: PDFObject | undefined, seen: Set, issues: ValidationIssue[]): void {
+ const obj = resolve(pdfDoc, value);
+ if (obj === undefined || seen.has(obj)) return;
+ seen.add(obj);
+
+ if (obj instanceof PDFDict) {
+ inspectDict(pdfDoc, obj, issues);
+ for (const [, child] of obj.entries()) {
+ walk(pdfDoc, child, seen, issues);
+ }
+ } else if (obj instanceof PDFArray) {
+ for (let i = 0; i < obj.size(); i += 1) {
+ walk(pdfDoc, obj.get(i), seen, issues);
+ }
+ }
+}
+
function inspectDict(pdfDoc: PDFDocument, dict: PDFDict, issues: ValidationIssue[]): void {
const type = nameOf(dict.get(TYPE));
+ const subtype = nameOf(dict.get(S_KEY));
- if (type === 'Action' || dict.get(S_KEY) instanceof PDFName) {
- inspectAction(pdfDoc, dict, issues);
+ if (type === 'Action' || subtype) {
+ inspectAction(pdfDoc, dict, subtype, issues);
}
if (type === 'Filespec') {
inspectFilespec(dict, issues);
}
- // /Names tree for document-level JavaScript: catalog→/Names→/JavaScript
- // surfaces as a dict with a JavaScript key whose entry is a name tree.
- // Any presence of /JavaScript on a Names dict is forbidden.
- const namesEntry = dict.get(NAMES_KEY);
- if (dict.get(JAVASCRIPT_KEY) || (namesEntry instanceof PDFDict && namesEntry.get(JAVASCRIPT_KEY))) {
- if (!issues.some((i) => i.code === 'javascript-names-tree')) {
- issues.push({
- code: 'javascript-names-tree',
- level: 'error',
- message: 'Document declares /JavaScript names entries; JavaScript actions are forbidden (spec §3.4)',
- });
- }
+ // A /JavaScript entry on any dict (catalog→/Names→/JavaScript name tree, or
+ // the leaf nodes thereof) signals document-level JavaScript, which is forbidden.
+ if (dict.get(JAVASCRIPT_KEY) !== undefined) {
+ issues.push({
+ code: 'javascript-names-tree',
+ level: 'error',
+ message: 'Document declares /JavaScript names entries; JavaScript actions are forbidden (spec §3.4)',
+ });
}
}
-function inspectAction(pdfDoc: PDFDocument, dict: PDFDict, issues: ValidationIssue[]): void {
- const subtype = dict.get(S_KEY);
- if (!(subtype instanceof PDFName)) return;
-
+function inspectAction(
+ pdfDoc: PDFDocument,
+ dict: PDFDict,
+ subtype: string | undefined,
+ issues: ValidationIssue[],
+): void {
if (subtype === JS_ACTION || dict.get(JS_KEY) !== undefined) {
issues.push({
code: 'javascript-action',
@@ -101,7 +114,7 @@ function inspectAction(pdfDoc: PDFDocument, dict: PDFDict, issues: ValidationIss
}
if (subtype === SUBMIT_FORM) {
- const fEntry = pdfDoc.context.lookup(dict.get(F_KEY));
+ const fEntry = resolve(pdfDoc, dict.get(F_KEY));
const target = filespecTarget(fEntry);
if (!target || !target.toLowerCase().startsWith('mailto:')) {
issues.push({
@@ -119,16 +132,13 @@ function inspectFilespec(dict: PDFDict, issues: ValidationIssue[]): void {
if (dict.get(EF_KEY) !== undefined) return;
// No /EF means the filespec points outside the container.
const target = filespecTarget(dict);
- if (!issues.some((i) => i.code === 'external-filespec' && i.payload === target)) {
- issues.push({
- code: 'external-filespec',
- level: 'error',
- message: target
- ? `External /Filespec "${target}" (spec §3.4)`
- : 'External /Filespec with no /EF (spec §3.4)',
- payload: target,
- });
- }
+ const issue: ValidationIssue = {
+ code: 'external-filespec',
+ level: 'error',
+ message: target ? `External /Filespec "${target}" (spec §3.4)` : 'External /Filespec with no /EF (spec §3.4)',
+ };
+ if (target !== undefined) issue.payload = target;
+ issues.push(issue);
}
function filespecTarget(value: PDFObject | undefined): string | undefined {
@@ -155,6 +165,14 @@ function filespecTarget(value: PDFObject | undefined): string | undefined {
return undefined;
}
+function resolve(pdfDoc: PDFDocument, value: PDFObject | undefined): PDFObject | undefined {
+ if (value === undefined) return undefined;
+ if (value instanceof PDFRef) {
+ return pdfDoc.context.lookup(value) ?? undefined;
+ }
+ return value;
+}
+
function nameOf(value: PDFObject | undefined): string | undefined {
return value instanceof PDFName ? value.asString().slice(1) : undefined;
}
diff --git a/packages/sdk-js/src/validate.ts b/packages/sdk-js/src/validate.ts
index b8e7c82..90b4b41 100644
--- a/packages/sdk-js/src/validate.ts
+++ b/packages/sdk-js/src/validate.ts
@@ -1,5 +1,7 @@
+import { CV_SPEC_VERSION } from './constants.js';
import { sha256Hex } from './digest.js';
import { toUint8Array } from './normalize.js';
+import { PORTABLE_NAME_RE } from './pack.js';
import { loadDocument, readAssociatedFiles, readMetadataXml } from './pdf.js';
import { scanForbiddenConstructs } from './security.js';
import type { BinaryInput, ValidationIssue, ValidationLevel, ValidationReport } from './types.js';
@@ -20,15 +22,6 @@ export async function validate(input: BinaryInput, opts: ValidateOptions = {}):
const issues: ValidationIssue[] = [];
const bytes = await toUint8Array(input);
- if (looksEncrypted(bytes)) {
- issues.push({
- code: 'encrypted-document',
- level: 'error',
- message: 'Trailer declares /Encrypt; encryption is forbidden in cv 0.x (spec §3.4)',
- });
- return { ok: false, level, issues };
- }
-
let pdfDoc;
try {
pdfDoc = await loadDocument(bytes);
@@ -37,6 +30,17 @@ export async function validate(input: BinaryInput, opts: ValidateOptions = {}):
return { ok: false, level, issues };
}
+ // An /Encrypt trailer entry is authoritative; encrypted files carry encrypted
+ // streams that cannot be meaningfully inspected, so reject immediately.
+ if (pdfDoc.context.trailerInfo.Encrypt) {
+ issues.push({
+ code: 'encrypted-document',
+ level: 'error',
+ message: 'Document declares an /Encrypt dictionary; encryption is forbidden in cv 0.x (spec §3.4)',
+ });
+ return { ok: false, level, issues };
+ }
+
for (const issue of scanForbiddenConstructs(pdfDoc)) {
issues.push(issue);
}
@@ -53,6 +57,9 @@ export async function validate(input: BinaryInput, opts: ValidateOptions = {}):
return { ok: false, level, issues };
}
+ const newerVersionIssue = checkVersion(meta.version);
+ if (newerVersionIssue) issues.push(newerVersionIssue);
+
const payloads = readAssociatedFiles(pdfDoc);
if (payloads.length === 0) {
issues.push({ code: 'no-payloads', level: 'error', message: 'No /AF Associated Files present' });
@@ -67,6 +74,14 @@ export async function validate(input: BinaryInput, opts: ValidateOptions = {}):
payload: payload.name,
});
}
+ if (!isPortableName(payload.name)) {
+ issues.push({
+ code: 'filename-not-portable',
+ level: 'error',
+ message: `Payload name "${payload.name}" is not POSIX-portable (spec §4.4)`,
+ payload: payload.name,
+ });
+ }
}
if (!payloads.some((p) => p.name === meta.primaryPayload)) {
@@ -120,14 +135,34 @@ export async function validate(input: BinaryInput, opts: ValidateOptions = {}):
return { ok, level, issues };
}
+function isPortableName(name: string): boolean {
+ if (!PORTABLE_NAME_RE.test(name)) return false;
+ return name.split('/').every((segment) => segment !== '.' && segment !== '..');
+}
+
+/**
+ * The highest cv MAJOR version this SDK fully understands. The 0.x pre-stable
+ * series and the 1.x stable series are normatively identical (spec §12), so the
+ * SDK knows both; a MAJOR of 2 or greater is "newer".
+ */
+const KNOWN_MAJOR = 1;
+
/**
- * Byte-level pre-check for an /Encrypt trailer entry. pdf-lib refuses to
- * parse encrypted PDFs at load time, so without this the validator would
- * surface a generic parse failure instead of the documented spec-§3.4 code.
+ * Emit a "newer-format-version" warning when the file's cv:version MAJOR exceeds
+ * what this SDK knows (spec §8.3). Both "0.1" and "1.0" are known; only a MAJOR
+ * of 2 or greater warns. Extraction is never blocked: this is a warning only.
*/
-function looksEncrypted(bytes: Uint8Array): boolean {
- // Search the last 4 KiB where the trailer lives.
- const tail = bytes.subarray(Math.max(0, bytes.length - 4096));
- const text = new TextDecoder('latin1').decode(tail);
- return /\/Encrypt\b/.test(text);
+function checkVersion(version: string): ValidationIssue | null {
+ const major = parseMajor(version);
+ if (major === null || major <= KNOWN_MAJOR) return null;
+ return {
+ code: 'newer-format-version',
+ level: 'warning',
+ message: `cv:version "${version}" has a newer MAJOR than this SDK knows (${CV_SPEC_VERSION}); rendering may be incomplete (spec §8.3)`,
+ };
+}
+
+function parseMajor(version: string): number | null {
+ const major = Number.parseInt(version.split('.')[0] ?? '', 10);
+ return Number.isNaN(major) ? null : major;
}
diff --git a/packages/sdk-js/tests/fixes.test.ts b/packages/sdk-js/tests/fixes.test.ts
new file mode 100644
index 0000000..67c2551
--- /dev/null
+++ b/packages/sdk-js/tests/fixes.test.ts
@@ -0,0 +1,256 @@
+import { encode as cborEncode } from 'cbor-x';
+import { PDFDocument, PDFName, PDFNumber, PDFString, StandardFonts } from 'pdf-lib';
+import * as pako from 'pako';
+import { describe, expect, it } from 'vitest';
+import { decodeEmbeddings, encodeEmbeddings, pack, validate, type EmbeddingsPayload } from '../src/index.js';
+
+async function blankPdf(text = 'Sample CV'): Promise {
+ const pdf = await PDFDocument.create();
+ const page = pdf.addPage([300, 400]);
+ const font = await pdf.embedFont(StandardFonts.Helvetica);
+ page.drawText(text, { x: 30, y: 350, size: 18, font });
+ return pdf.save();
+}
+
+const sampleEmbeddings: EmbeddingsPayload = {
+ formatVersion: 1,
+ spaces: [
+ {
+ model: 'BAAI/bge-m3',
+ modelRevision: 'rev1',
+ dimension: 4,
+ metric: 'cosine',
+ normalized: true,
+ chunking: 'section',
+ chunks: [{ id: 'a', textOffset: 0, textLength: 10, vector: new Float32Array([0.1, 0.2, 0.3, 0.4]) }],
+ },
+ ],
+};
+
+// Fix 1 — inline /OpenAction JavaScript action must be rejected.
+describe('security: inline OpenAction JavaScript (fix 1)', () => {
+ it('rejects a catalog /OpenAction stored as a direct (inline) JavaScript action', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+
+ // Re-open and inject an INLINE OpenAction so it is NOT an indirect object.
+ const doc = await PDFDocument.load(cv, { updateMetadata: false });
+ const openAction = doc.context.obj({
+ Type: 'Action',
+ S: 'JavaScript',
+ JS: PDFString.of('app.alert("pwned");'),
+ });
+ doc.catalog.set(PDFName.of('OpenAction'), openAction);
+ const tampered = await doc.save({ useObjectStreams: false });
+
+ const report = await validate(tampered);
+ expect(report.ok).toBe(false);
+ expect(report.issues.map((i) => i.code)).toContain('javascript-action');
+ });
+
+ it('still passes a clean file (no false positives)', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ const report = await validate(cv);
+ expect(report.ok).toBe(true);
+ });
+});
+
+// Fix 2 — embedded-file /Params must carry an MD5 /CheckSum.
+describe('pack: embedded-file /CheckSum (fix 2)', () => {
+ it('writes a /CheckSum entry into each embedded-file /Params', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ const text = new TextDecoder('latin1').decode(cv);
+ expect(text).toMatch(/\/CheckSum/);
+ });
+});
+
+// Fix 3 — non-portable payload names rejected on write and flagged on read.
+describe('filename portability (fix 3)', () => {
+ it('rejects path-traversal payload names at pack time', async () => {
+ await expect(
+ pack({
+ pdf: await blankPdf(),
+ payloads: [{ data: 'x', name: '../../etc/passwd', mimeType: 'text/plain', relationship: 'Supplement' }],
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ }),
+ ).rejects.toThrow(/portable|path segment/i);
+ });
+
+ it('rejects non-portable charset payload names at pack time', async () => {
+ await expect(
+ pack({
+ pdf: await blankPdf(),
+ payloads: [{ data: 'x', name: 'résumé .md', mimeType: 'text/plain', relationship: 'Supplement' }],
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ }),
+ ).rejects.toThrow(/portable/i);
+ });
+
+ it('flags a non-portable name on the read side', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ // Inject a filespec with a non-portable name directly into /AF.
+ const doc = await PDFDocument.load(cv, { updateMetadata: false });
+ const stream = doc.context.flateStream(new TextEncoder().encode('bad'), {
+ Type: 'EmbeddedFile',
+ Subtype: 'text/plain',
+ });
+ const streamRef = doc.context.register(stream);
+ const filespec = doc.context.obj({
+ Type: 'Filespec',
+ F: PDFString.of('../evil.txt'),
+ UF: PDFString.of('../evil.txt'),
+ EF: { F: streamRef },
+ AFRelationship: 'Supplement',
+ });
+ const afRef = doc.context.register(filespec);
+ const af = doc.catalog.lookup(PDFName.of('AF'));
+ (af as { push(x: unknown): void }).push(afRef);
+ const tampered = await doc.save({ useObjectStreams: false });
+
+ const report = await validate(tampered);
+ expect(report.issues.map((i) => i.code)).toContain('filename-not-portable');
+ expect(report.ok).toBe(false);
+ });
+});
+
+// Fix 4 — decode-side validation mirrors encode-side guarantees.
+describe('embeddings: decode validation (fix 4)', () => {
+ it('round-trips a valid space', () => {
+ const decoded = decodeEmbeddings(encodeEmbeddings(sampleEmbeddings));
+ expect(decoded.spaces[0]!.metric).toBe('cosine');
+ });
+
+ it('rejects a malformed space with an invalid metric from attacker CBOR', () => {
+ // Hand-build CBOR that bypasses the encode-side validation.
+ const malformed = cborEncode({
+ 'format-version': 1,
+ spaces: [
+ {
+ model: 'evil',
+ 'model-revision': 'r',
+ dimension: 4,
+ metric: 'totally-not-a-metric',
+ normalized: true,
+ chunking: 'section',
+ chunks: [{ id: 'a', 'text-offset': 0, 'text-length': 1, vector: new Uint8Array(16) }],
+ },
+ ],
+ });
+ expect(() => decodeEmbeddings(malformed)).toThrow(/metric/i);
+ });
+
+ it('rejects a malformed space with an invalid chunking', () => {
+ const malformed = cborEncode({
+ 'format-version': 1,
+ spaces: [
+ {
+ model: 'evil',
+ 'model-revision': 'r',
+ dimension: 4,
+ metric: 'cosine',
+ normalized: true,
+ chunking: 'invalid-chunking',
+ chunks: [{ id: 'a', 'text-offset': 0, 'text-length': 1, vector: new Uint8Array(16) }],
+ },
+ ],
+ });
+ expect(() => decodeEmbeddings(malformed)).toThrow(/chunking/i);
+ });
+});
+
+// Fix 5 — FlateDecode /Predictor must be rejected, not silently mis-decoded.
+describe('pdf: FlateDecode /Predictor rejection (fix 5)', () => {
+ it('rejects an embedded-file stream with /DecodeParms /Predictor 12', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ const doc = await PDFDocument.load(cv, { updateMetadata: false });
+
+ // Build a flate stream and slap a predictor on it, then add to /AF.
+ const compressed = pako.deflate(new TextEncoder().encode('predicted'));
+ const stream = doc.context.stream(compressed, {
+ Type: 'EmbeddedFile',
+ Subtype: 'text/plain',
+ Filter: 'FlateDecode',
+ DecodeParms: doc.context.obj({ Predictor: PDFNumber.of(12), Columns: PDFNumber.of(4) }),
+ });
+ const streamRef = doc.context.register(stream);
+ const filespec = doc.context.obj({
+ Type: 'Filespec',
+ F: PDFString.of('predicted.txt'),
+ UF: PDFString.of('predicted.txt'),
+ EF: { F: streamRef },
+ AFRelationship: 'Supplement',
+ });
+ const afRef = doc.context.register(filespec);
+ const af = doc.catalog.lookup(PDFName.of('AF'));
+ (af as { push(x: unknown): void }).push(afRef);
+ const tampered = await doc.save({ useObjectStreams: false });
+
+ await expect(validate(tampered)).rejects.toThrow(/Predictor/i);
+ });
+});
+
+// Fix 6 — newer MAJOR cv:version surfaces a warning but does not block.
+describe('validate: newer-format-version warning (fix 6)', () => {
+ it('warns (but stays ok) when cv:version MAJOR is 2', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ const text = new TextDecoder('latin1').decode(cv);
+ expect(text).toContain('0.1');
+
+ // Rewrite the cv:version to a future major. The XMP stream is uncompressed
+ // metadata so we can patch the bytes in place (same byte length).
+ const patched = patchBytes(cv, '0.1', '2.0');
+ const report = await validate(patched);
+ expect(report.issues.map((i) => i.code)).toContain('newer-format-version');
+ const versionIssue = report.issues.find((i) => i.code === 'newer-format-version');
+ expect(versionIssue?.level).toBe('warning');
+ // A newer-version warning alone must not block (extraction still works).
+ expect(report.ok).toBe(true);
+ });
+
+ it('does not warn for known versions 0.1 and 1.0', async () => {
+ const cv = await pack({
+ pdf: await blankPdf(),
+ markdown: '# Hi\n',
+ metadata: { primaryLanguage: 'en' },
+ });
+ const v10 = patchBytes(cv, '0.1', '1.0');
+ const report = await validate(v10);
+ expect(report.issues.map((i) => i.code)).not.toContain('newer-format-version');
+ });
+});
+
+function patchBytes(bytes: Uint8Array, from: string, to: string): Uint8Array {
+ if (from.length !== to.length) throw new Error('patchBytes requires equal lengths');
+ const text = new TextDecoder('latin1').decode(bytes);
+ const idx = text.indexOf(from);
+ if (idx < 0) throw new Error(`pattern not found: ${from}`);
+ const out = new Uint8Array(bytes);
+ const enc = new TextEncoder().encode(to);
+ out.set(enc, idx);
+ return out;
+}
diff --git a/packages/sdk-js/tests/fixtures/python-produced.cv b/packages/sdk-js/tests/fixtures/python-produced.cv
index 24f0566..d850014 100644
Binary files a/packages/sdk-js/tests/fixtures/python-produced.cv and b/packages/sdk-js/tests/fixtures/python-produced.cv differ
diff --git a/packages/sdk-js/tests/interop.test.ts b/packages/sdk-js/tests/interop.test.ts
index 3aa9445..c2e53ff 100644
--- a/packages/sdk-js/tests/interop.test.ts
+++ b/packages/sdk-js/tests/interop.test.ts
@@ -47,11 +47,19 @@ describe('JS reads Python-produced .cv (interop)', () => {
expect(await extractHtml(bytes)).toBe(PY_HTML);
});
- it('extracts all three Python-produced payloads', async () => {
+ it('extracts all Python-produced payloads (incl. precomputed embeddings)', async () => {
const bytes = new Uint8Array(await readFile(FIXTURE));
const file = await extract(bytes);
const names = file.payloads.map((p) => p.name).sort();
- expect(names).toEqual(['resume.html', 'resume.json', 'resume.md']);
+ expect(names).toEqual(['embeddings.cbor', 'resume.html', 'resume.json', 'resume.md']);
+ });
+
+ it('surfaces the embedding-space summary in metadata', async () => {
+ const bytes = new Uint8Array(await readFile(FIXTURE));
+ const meta = await inspect(bytes);
+ expect(meta.embeddings.length).toBeGreaterThan(0);
+ expect(meta.embeddings[0].chunks).toBeGreaterThan(0);
+ expect(meta.embeddings[0].dimension).toBeGreaterThan(0);
});
it('validates the Python-produced file', async () => {
diff --git a/packages/server-middleware-node/examples/public/jane.cv b/packages/server-middleware-node/examples/public/jane.cv
index ab9a10a..0f6f8e7 100644
Binary files a/packages/server-middleware-node/examples/public/jane.cv and b/packages/server-middleware-node/examples/public/jane.cv differ
diff --git a/packages/server-middleware-node/src/conneg.ts b/packages/server-middleware-node/src/conneg.ts
index 451b452..18b6e15 100644
--- a/packages/server-middleware-node/src/conneg.ts
+++ b/packages/server-middleware-node/src/conneg.ts
@@ -4,6 +4,7 @@ export interface NegotiationInput {
accept?: string | undefined;
acceptLanguage?: string | undefined;
formatQuery?: string | undefined;
+ defaultFormat?: ServeFormat | undefined;
}
export interface NegotiationResult {
@@ -11,14 +12,9 @@ export interface NegotiationResult {
language: string | undefined;
}
-const FORMAT_BY_MIME: Record = {
- 'text/markdown': 'markdown',
- 'text/x-markdown': 'markdown',
- 'text/html': 'html',
- 'application/xhtml+xml': 'html',
- 'application/pdf': 'pdf',
- 'application/vnd.cv+pdf': 'pdf',
-};
+const MARKDOWN_MIMES = new Set(['text/markdown', 'text/x-markdown', 'application/vnd.cv+markdown']);
+const PDF_MIMES = new Set(['application/pdf', 'application/vnd.cv+pdf']);
+const HTML_MIMES = new Set(['text/html', 'application/xhtml+xml']);
const FORMAT_BY_QUERY: Record = {
md: 'markdown',
@@ -37,19 +33,34 @@ export function parseAccept(header: string | undefined | null): ParsedAccept[] {
if (!header) return [];
return header
.split(',')
- .map((part) => {
+ .map((part): ParsedAccept | null => {
const [type, ...params] = part.trim().split(';').map((s) => s.trim());
- let q = 1;
- for (const p of params) {
- const m = p.match(/^q\s*=\s*(\d*\.?\d+)/i);
- if (m) q = Number(m[1]);
- }
+ const q = parseQ(params);
+ // A malformed q (present but unparseable) marks the type as unusable per RFC 9110.
+ if (q === null) return null;
return { type: (type ?? '').toLowerCase(), q };
})
- .filter((p) => p.type)
+ .filter((p): p is ParsedAccept => p !== null && p.type !== '' && p.q > 0)
.sort((a, b) => b.q - a.q);
}
+/**
+ * Resolve the q-value of a media-range's parameters.
+ * Returns 1 when absent, the clamped [0,1] value when valid, and null when a
+ * q parameter is present but cannot be parsed (signalling a malformed type).
+ */
+function parseQ(params: string[]): number | null {
+ for (const p of params) {
+ if (!/^q\s*=/i.test(p)) continue;
+ const m = p.match(/^q\s*=\s*(\d*\.?\d+)\s*$/i);
+ if (!m) return null;
+ const value = Number(m[1]);
+ if (Number.isNaN(value)) return null;
+ return Math.min(1, Math.max(0, value));
+ }
+ return 1;
+}
+
export function parseAcceptLanguage(header: string | undefined | null): string[] {
if (!header) return [];
return header
@@ -71,6 +82,7 @@ export function parseAcceptLanguage(header: string | undefined | null): string[]
export function negotiate(input: NegotiationInput): NegotiationResult {
const language = parseAcceptLanguage(input.acceptLanguage)[0];
+ // An explicit ?format= query is the only override and wins over Accept.
if (input.formatQuery) {
const fromQuery = FORMAT_BY_QUERY[input.formatQuery.toLowerCase()];
if (fromQuery) {
@@ -78,21 +90,52 @@ export function negotiate(input: NegotiationInput): NegotiationResult {
}
}
- const accepts = parseAccept(input.accept);
- for (const a of accepts) {
- const direct = FORMAT_BY_MIME[a.type];
- if (direct) {
- return { format: direct, language };
- }
- if (a.type === '*/*' || a.type === 'application/*') {
- return { format: 'pdf', language };
- }
- if (a.type === 'text/*') {
- return { format: 'html', language };
- }
+ const fromAccept = negotiateFromAccept(input.accept);
+ const format = fromAccept ?? input.defaultFormat ?? 'pdf';
+ return { format, language };
+}
+
+/**
+ * Map an Accept header to a format following the .cv contract:
+ * - markdown only when it is an explicit, top, non-wildcard preference;
+ * - html only when text/html is requested without a wildcard (a deliberate fetch);
+ * - pdf for the browser case (text/html alongside a wildcard, or any wildcard);
+ * - undefined when the header expresses no usable preference (caller falls back).
+ */
+function negotiateFromAccept(header: string | undefined): ServeFormat | undefined {
+ const accepts = parseAccept(header);
+ if (accepts.length === 0) return undefined;
+
+ const topQ = accepts[0]!.q;
+ const top = accepts.filter((a) => a.q === topQ);
+ const hasWildcard = accepts.some((a) => a.type === '*/*' || a.type === 'application/*');
+
+ // Markdown wins only as an explicit, top, non-wildcard preference.
+ if (top.some((a) => MARKDOWN_MIMES.has(a.type))) {
+ return 'markdown';
+ }
+
+ // An explicit, top preference for the PDF type also serves PDF.
+ if (top.some((a) => PDF_MIMES.has(a.type))) {
+ return 'pdf';
+ }
+
+ // A deliberate HTML fetch: text/html requested without a catch-all wildcard.
+ if (top.some((a) => HTML_MIMES.has(a.type)) && !hasWildcard) {
+ return 'html';
+ }
+
+ // Browser case (text/html + */*) or any wildcard: serve the visual PDF.
+ if (hasWildcard || top.some((a) => HTML_MIMES.has(a.type))) {
+ return 'pdf';
+ }
+
+ // text/* (without a more specific match) is a deliberate text fetch -> html.
+ if (top.some((a) => a.type === 'text/*')) {
+ return 'html';
}
- return { format: 'pdf', language };
+ return undefined;
}
export interface BuildLinkHeaderInput {
diff --git a/packages/server-middleware-node/src/fastify.ts b/packages/server-middleware-node/src/fastify.ts
index 7710749..6104903 100644
--- a/packages/server-middleware-node/src/fastify.ts
+++ b/packages/server-middleware-node/src/fastify.ts
@@ -12,10 +12,12 @@ export const cvFastifyPlugin: FastifyPluginAsync = async (
const handler = cvHandler(opts);
const route = `${opts.prefix ?? ''}/*`;
fastify.get(route, async (request: FastifyRequest, reply: FastifyReply) => {
- if (!request.url.toLowerCase().includes('.cv')) {
+ const { pathname } = new URL(request.url, `http://${request.headers.host ?? 'localhost'}`);
+ if (!decodeURIComponent(pathname).toLowerCase().endsWith('.cv')) {
reply.code(404).send('Not found');
return;
}
+ reply.hijack();
await handler(request.raw, reply.raw);
});
};
diff --git a/packages/server-middleware-node/src/handler.ts b/packages/server-middleware-node/src/handler.ts
index 82f57bc..cd3e053 100644
--- a/packages/server-middleware-node/src/handler.ts
+++ b/packages/server-middleware-node/src/handler.ts
@@ -2,14 +2,14 @@ import type { IncomingMessage, ServerResponse } from 'node:http';
import { readFile, stat } from 'node:fs/promises';
import { normalize, resolve, sep } from 'node:path';
import { isCvFile } from '@cvfile/sdk';
-import { buildLinkHeader, PDF_PRIMARY_MIME } from './conneg.js';
-import { serveCv } from './serve.js';
+import type { ServeFormat } from './conneg.js';
+import { buildCvResponse } from './response.js';
export interface CvHandlerOptions {
root?: string;
loader?: (logicalPath: string) => Promise;
cacheControl?: string;
- defaultFormat?: 'pdf' | 'markdown' | 'html';
+ defaultFormat?: ServeFormat;
}
export type CvHandler = (req: IncomingMessage, res: ServerResponse) => Promise;
@@ -26,45 +26,45 @@ export function cvHandler(options: CvHandlerOptions = {}): CvHandler {
try {
const url = new URL(req.url ?? '/', `http://${req.headers.host ?? 'localhost'}`);
const logical = decodeURIComponent(url.pathname);
- const formatQuery = url.searchParams.get('format') ?? defaultFormat;
- const bytes = await load(logical, { baseRoot, loader });
- if (!bytes) {
+ const loaded = await load(logical, { baseRoot, loader });
+ if (!loaded) {
res.statusCode = 404;
res.end('Not found');
return;
}
- if (!(await isCvFile(bytes))) {
+ if (!(await isCvFile(loaded.bytes))) {
res.statusCode = 415;
res.end('Not a .cv file');
return;
}
- const result = await serveCv({
- bytes,
+ const built = await buildCvResponse({
+ bytes: loaded.bytes,
+ selfUrl: url.pathname,
accept: req.headers['accept'],
acceptLanguage: req.headers['accept-language'],
- formatQuery: formatQuery ?? undefined,
+ formatQuery: url.searchParams.get('format') ?? undefined,
+ defaultFormat,
+ cacheControl,
+ lastModified: loaded.lastModified,
+ ifNoneMatch: req.headers['if-none-match'],
+ ifModifiedSince: req.headers['if-modified-since'],
});
- const link = buildLinkHeader({ selfUrl: url.pathname, cvMime: PDF_PRIMARY_MIME });
-
- res.setHeader('Content-Type', result.contentType);
- res.setHeader('Content-Length', String(result.body.length));
- res.setHeader('Vary', 'Accept, Accept-Language');
- res.setHeader('Link', link);
- res.setHeader('Cache-Control', cacheControl);
- if (result.language) {
- res.setHeader('Content-Language', result.language);
+ for (const [name, value] of Object.entries(built.headers)) {
+ res.setHeader(name, value);
+ }
+ res.statusCode = built.status;
+ res.end(built.status === 304 ? undefined : Buffer.from(built.body));
+ } catch {
+ if (res.headersSent) {
+ res.end();
+ return;
}
- const filename = filenameForFormat(logical, result.format);
- res.setHeader('Content-Disposition', `inline; filename="${filename}"`);
- res.statusCode = 200;
- res.end(Buffer.from(result.body));
- } catch (err) {
res.statusCode = 500;
- res.end(`cvHandler error: ${(err as Error).message}`);
+ res.end('Internal Server Error');
}
};
}
@@ -74,10 +74,15 @@ interface LoadOpts {
loader?: ((logicalPath: string) => Promise) | undefined;
}
-async function load(logicalPath: string, { baseRoot, loader }: LoadOpts): Promise {
+interface LoadedFile {
+ bytes: Uint8Array;
+ lastModified?: Date | undefined;
+}
+
+async function load(logicalPath: string, { baseRoot, loader }: LoadOpts): Promise {
if (loader) {
const bytes = await loader(logicalPath);
- return bytes ?? null;
+ return bytes ? { bytes } : null;
}
if (!baseRoot) return null;
const safe = normalize(logicalPath).replace(/^[/\\]+/, '');
@@ -88,7 +93,7 @@ async function load(logicalPath: string, { baseRoot, loader }: LoadOpts): Promis
try {
const s = await stat(full);
if (!s.isFile()) return null;
- return new Uint8Array(await readFile(full));
+ return { bytes: new Uint8Array(await readFile(full)), lastModified: s.mtime };
} catch {
return null;
}
@@ -99,12 +104,3 @@ function isWithin(parent: string, child: string): boolean {
const base = resolve(parent);
return rel === base || rel.startsWith(base + sep);
}
-
-function filenameForFormat(logical: string, format: 'pdf' | 'markdown' | 'html'): string {
- const base = logical.split('/').pop() ?? 'document';
- const stem = base.replace(/\.cv$/i, '').replace(/\.(pdf|md|html)$/i, '') || 'document';
- if (format === 'markdown') return `${stem}.md`;
- if (format === 'html') return `${stem}.html`;
- return `${stem}.cv`;
-}
-
diff --git a/packages/server-middleware-node/src/hono.ts b/packages/server-middleware-node/src/hono.ts
index 5e2db6c..9932405 100644
--- a/packages/server-middleware-node/src/hono.ts
+++ b/packages/server-middleware-node/src/hono.ts
@@ -1,15 +1,16 @@
import type { Context, MiddlewareHandler } from 'hono';
import { isCvFile } from '@cvfile/sdk';
-import { buildLinkHeader, PDF_PRIMARY_MIME } from './conneg.js';
-import { serveCv } from './serve.js';
+import type { ServeFormat } from './conneg.js';
+import { buildCvResponse } from './response.js';
export interface CvHonoOptions {
loader: (logicalPath: string) => Promise;
cacheControl?: string;
+ defaultFormat?: ServeFormat;
}
export function cvHono(options: CvHonoOptions): MiddlewareHandler {
- const { loader, cacheControl = 'public, max-age=300' } = options;
+ const { loader, cacheControl = 'public, max-age=300', defaultFormat } = options;
return async (c: Context) => {
const url = new URL(c.req.url);
const logical = decodeURIComponent(url.pathname);
@@ -21,22 +22,24 @@ export function cvHono(options: CvHonoOptions): MiddlewareHandler {
if (!(await isCvFile(bytes))) {
return c.text('Not a .cv file', 415);
}
- const result = await serveCv({
+
+ const built = await buildCvResponse({
bytes,
+ selfUrl: url.pathname,
accept: c.req.header('accept'),
acceptLanguage: c.req.header('accept-language'),
formatQuery: c.req.query('format') ?? undefined,
+ defaultFormat,
+ cacheControl,
+ ifNoneMatch: c.req.header('if-none-match'),
+ ifModifiedSince: c.req.header('if-modified-since'),
});
- const link = buildLinkHeader({ selfUrl: url.pathname, cvMime: PDF_PRIMARY_MIME });
- const headers: Record = {
- 'Content-Type': result.contentType,
- Vary: 'Accept, Accept-Language',
- Link: link,
- 'Cache-Control': cacheControl,
- };
- if (result.language) headers['Content-Language'] = result.language;
- const view = new Uint8Array(result.body.byteLength);
- view.set(result.body);
- return c.newResponse(view.buffer, 200, headers);
+
+ if (built.status === 304) {
+ return c.body(null, 304, built.headers);
+ }
+ const view = new Uint8Array(built.body.byteLength);
+ view.set(built.body);
+ return c.newResponse(view.buffer, 200, built.headers);
};
}
diff --git a/packages/server-middleware-node/src/response.ts b/packages/server-middleware-node/src/response.ts
new file mode 100644
index 0000000..0dfa208
--- /dev/null
+++ b/packages/server-middleware-node/src/response.ts
@@ -0,0 +1,161 @@
+import { createHash } from 'node:crypto';
+import { buildLinkHeader, PDF_PRIMARY_MIME, type ServeFormat } from './conneg.js';
+import { serveCv } from './serve.js';
+
+export interface BuildResponseInput {
+ bytes: Uint8Array;
+ selfUrl: string;
+ accept?: string | undefined;
+ acceptLanguage?: string | undefined;
+ formatQuery?: string | undefined;
+ defaultFormat?: ServeFormat | undefined;
+ cacheControl: string;
+ lastModified?: Date | undefined;
+ ifNoneMatch?: string | undefined;
+ ifModifiedSince?: string | undefined;
+}
+
+export interface BuiltResponse {
+ status: 200 | 304;
+ headers: Record;
+ format: ServeFormat;
+ body: Uint8Array;
+}
+
+/**
+ * Negotiate the format and assemble the full set of response headers shared by
+ * every adapter. The same URL yields a different body per negotiated format, so
+ * the ETag is keyed on both the bytes and the format. Returns a 304 (empty body)
+ * when the conditional request headers match.
+ */
+export async function buildCvResponse(input: BuildResponseInput): Promise {
+ const result = await serveCv({
+ bytes: input.bytes,
+ accept: input.accept,
+ acceptLanguage: input.acceptLanguage,
+ formatQuery: input.formatQuery,
+ defaultFormat: input.defaultFormat,
+ });
+
+ const etag = computeETag(result.body, result.format);
+ const lastModified = input.lastModified?.toUTCString();
+
+ const headers: Record = {
+ 'Content-Type': result.contentType,
+ Vary: 'Accept, Accept-Language',
+ Link: buildLinkHeader({ selfUrl: input.selfUrl, cvMime: PDF_PRIMARY_MIME }),
+ 'Cache-Control': input.cacheControl,
+ ETag: etag,
+ 'Content-Disposition': contentDisposition(input.selfUrl, result.format),
+ };
+ if (result.language) {
+ headers['Content-Language'] = result.language;
+ }
+ if (lastModified) {
+ headers['Last-Modified'] = lastModified;
+ }
+
+ const notModified = isNotModified({
+ etag,
+ lastModified: input.lastModified,
+ ifNoneMatch: input.ifNoneMatch,
+ ifModifiedSince: input.ifModifiedSince,
+ });
+ if (notModified) {
+ return { status: 304, headers, format: result.format, body: new Uint8Array(0) };
+ }
+
+ headers['Content-Length'] = String(result.body.length);
+ return { status: 200, headers, format: result.format, body: result.body };
+}
+
+/** Weak ETag keyed on the negotiated body so each format gets a distinct tag. */
+function computeETag(body: Uint8Array, format: ServeFormat): string {
+ const hash = createHash('sha1').update(body).digest('base64url');
+ return `W/"${format}-${body.length.toString(16)}-${hash}"`;
+}
+
+interface NotModifiedInput {
+ etag: string;
+ lastModified?: Date | undefined;
+ ifNoneMatch?: string | undefined;
+ ifModifiedSince?: string | undefined;
+}
+
+function isNotModified({ etag, lastModified, ifNoneMatch, ifModifiedSince }: NotModifiedInput): boolean {
+ if (ifNoneMatch) {
+ return etagMatches(ifNoneMatch, etag);
+ }
+ if (ifModifiedSince && lastModified) {
+ const since = Date.parse(ifModifiedSince);
+ if (!Number.isNaN(since)) {
+ // Compare at second resolution, matching HTTP-date granularity.
+ return Math.floor(lastModified.getTime() / 1000) <= Math.floor(since / 1000);
+ }
+ }
+ return false;
+}
+
+function etagMatches(ifNoneMatch: string, etag: string): boolean {
+ if (ifNoneMatch.trim() === '*') return true;
+ const normalize = (tag: string): string => tag.trim().replace(/^W\//, '');
+ const target = normalize(etag);
+ return ifNoneMatch.split(',').some((candidate) => normalize(candidate) === target);
+}
+
+/**
+ * Build a header-injection-safe Content-Disposition value. Control characters,
+ * CR/LF, quotes and backslashes are stripped from the ASCII filename; non-ASCII
+ * names also get an RFC 5987 filename* form.
+ */
+export function contentDisposition(selfUrl: string, format: ServeFormat): string {
+ const filename = filenameForFormat(selfUrl, format);
+ const asciiSafe = sanitizeAsciiFilename(filename);
+ const base = `inline; filename="${asciiSafe}"`;
+ if (!hasNonAscii(filename)) return base;
+ return `${base}; filename*=UTF-8''${encodeRFC5987(filename)}`;
+}
+
+/**
+ * Produce a safe quoted-string filename: drop control chars (CR/LF/DEL),
+ * double quotes and backslashes; replace any remaining non-ASCII with '_'.
+ */
+function sanitizeAsciiFilename(filename: string): string {
+ let out = '';
+ for (const ch of filename) {
+ const code = ch.codePointAt(0) ?? 0;
+ if (code < 0x20 || code === 0x7f) continue; // control chars incl. CR/LF
+ if (ch === '"' || ch === '\\') continue; // quoted-string delimiters
+ out += code > 0x7e ? '_' : ch; // collapse non-ASCII to underscore
+ }
+ return out || 'document';
+}
+
+function hasNonAscii(value: string): boolean {
+ for (const ch of value) {
+ const code = ch.codePointAt(0) ?? 0;
+ if (code < 0x20 || code > 0x7e) return true;
+ }
+ return false;
+}
+
+function filenameForFormat(selfUrl: string, format: ServeFormat): string {
+ const pathname = selfUrl.split('?')[0] ?? selfUrl;
+ const base = decodeOrRaw(pathname.split('/').pop() ?? 'document');
+ const stem = base.replace(/\.cv$/i, '').replace(/\.(pdf|md|html)$/i, '') || 'document';
+ if (format === 'markdown') return `${stem}.md`;
+ if (format === 'html') return `${stem}.html`;
+ return `${stem}.cv`;
+}
+
+function decodeOrRaw(value: string): string {
+ try {
+ return decodeURIComponent(value);
+ } catch {
+ return value;
+ }
+}
+
+function encodeRFC5987(value: string): string {
+ return encodeURIComponent(value).replace(/['()*]/g, (c) => `%${c.charCodeAt(0).toString(16).toUpperCase()}`);
+}
diff --git a/packages/server-middleware-node/src/serve.ts b/packages/server-middleware-node/src/serve.ts
index 52a1f80..07d368d 100644
--- a/packages/server-middleware-node/src/serve.ts
+++ b/packages/server-middleware-node/src/serve.ts
@@ -7,6 +7,7 @@ export interface ServeRequest {
accept?: string | undefined;
acceptLanguage?: string | undefined;
formatQuery?: string | undefined;
+ defaultFormat?: ServeFormat | undefined;
}
export interface ServeResponse {
@@ -23,6 +24,7 @@ export async function serveCv(req: ServeRequest): Promise {
accept: req.accept,
acceptLanguage: req.acceptLanguage,
formatQuery: req.formatQuery,
+ defaultFormat: req.defaultFormat,
});
if (decision.format === 'pdf') {
@@ -42,7 +44,7 @@ export async function serveCv(req: ServeRequest): Promise {
if (md) {
return {
format: 'markdown',
- contentType: `text/markdown; charset=utf-8; cv-language=${md.language ?? preferLang}`,
+ contentType: 'text/markdown; charset=utf-8',
...(md.language !== undefined ? { language: md.language } : {}),
body: md.bytes,
};
@@ -55,7 +57,7 @@ export async function serveCv(req: ServeRequest): Promise {
if (html) {
return {
format: 'html',
- contentType: `text/html; charset=utf-8; cv-language=${html.language ?? preferLang}`,
+ contentType: 'text/html; charset=utf-8',
...(html.language !== undefined ? { language: html.language } : {}),
body: html.bytes,
};
diff --git a/packages/server-middleware-node/tests/conneg.test.ts b/packages/server-middleware-node/tests/conneg.test.ts
index 9297015..8d3b0c2 100644
--- a/packages/server-middleware-node/tests/conneg.test.ts
+++ b/packages/server-middleware-node/tests/conneg.test.ts
@@ -17,6 +17,21 @@ describe('parseAccept', () => {
expect(parseAccept(null)).toEqual([]);
expect(parseAccept('')).toEqual([]);
});
+
+ it('drops entries with q=0 (not acceptable)', () => {
+ const parsed = parseAccept('text/markdown;q=0, text/html;q=0.8');
+ expect(parsed.map((p) => p.type)).toEqual(['text/html']);
+ });
+
+ it('clamps q to [0,1]', () => {
+ const parsed = parseAccept('text/html;q=5, text/markdown;q=0.5');
+ expect(parsed[0]!.q).toBe(1);
+ });
+
+ it('skips a type whose q is malformed', () => {
+ const parsed = parseAccept('text/html;q=abc, text/markdown');
+ expect(parsed.map((p) => p.type)).toEqual(['text/markdown']);
+ });
});
describe('parseAcceptLanguage', () => {
@@ -35,10 +50,18 @@ describe('negotiate', () => {
expect(negotiate({ accept: 'text/markdown' }).format).toBe('markdown');
});
- it('text/html returns html', () => {
+ it('deliberate text/html (no wildcard) returns html', () => {
+ expect(negotiate({ accept: 'text/html' }).format).toBe('html');
expect(negotiate({ accept: 'text/html,application/xhtml+xml' }).format).toBe('html');
});
+ it('browser request (text/html + */*) returns pdf', () => {
+ expect(negotiate({ accept: 'text/html,*/*' }).format).toBe('pdf');
+ expect(
+ negotiate({ accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' }).format,
+ ).toBe('pdf');
+ });
+
it('application/pdf returns pdf', () => {
expect(negotiate({ accept: 'application/pdf' }).format).toBe('pdf');
});
@@ -47,20 +70,33 @@ describe('negotiate', () => {
expect(negotiate({ accept: 'application/vnd.cv+pdf' }).format).toBe('pdf');
});
- it('q-values pick the highest preference', () => {
- const r = negotiate({ accept: 'text/html;q=0.5, text/markdown;q=0.9' });
- expect(r.format).toBe('markdown');
+ it('markdown only wins as a top, non-wildcard preference', () => {
+ expect(negotiate({ accept: 'text/html;q=0.5, text/markdown;q=0.9' }).format).toBe('markdown');
+ // markdown not at the top -> browser/wildcard case wins (pdf)
+ expect(negotiate({ accept: 'text/html, text/markdown;q=0.5' }).format).toBe('html');
+ });
+
+ it('q=0 markdown falls through to pdf', () => {
+ expect(negotiate({ accept: 'text/markdown;q=0' }).format).toBe('pdf');
});
- it('default is pdf when nothing matches', () => {
+ it('default is pdf when nothing usable matches', () => {
expect(negotiate({}).format).toBe('pdf');
expect(negotiate({ accept: '*/*' }).format).toBe('pdf');
});
- it('text/* falls through to html', () => {
+ it('text/* falls through to html (deliberate text fetch)', () => {
expect(negotiate({ accept: 'text/*' }).format).toBe('html');
});
+ it('defaultFormat is the final fallback only, never overrides an explicit Accept', () => {
+ // explicit Accept beats defaultFormat
+ expect(negotiate({ accept: 'application/pdf', defaultFormat: 'markdown' }).format).toBe('pdf');
+ // no usable Accept -> defaultFormat applies
+ expect(negotiate({ defaultFormat: 'markdown' }).format).toBe('markdown');
+ expect(negotiate({ accept: '*/*', defaultFormat: 'markdown' }).format).toBe('pdf');
+ });
+
it('captures accept-language', () => {
expect(negotiate({ accept: 'text/markdown', acceptLanguage: 'fr-CA, en;q=0.5' }).language).toBe('fr-ca');
});
diff --git a/packages/server-middleware-node/tests/handler.test.ts b/packages/server-middleware-node/tests/handler.test.ts
index 051c63a..1c5371e 100644
--- a/packages/server-middleware-node/tests/handler.test.ts
+++ b/packages/server-middleware-node/tests/handler.test.ts
@@ -54,11 +54,29 @@ describe('cvHandler over HTTP', () => {
expect(res.headers.get('content-type')).toBe('application/vnd.cv+pdf');
expect(res.headers.get('vary')).toBe('Accept, Accept-Language');
expect(res.headers.get('link')).toContain('text/markdown');
+ expect(res.headers.get('content-disposition')).toBe('inline; filename="jane.cv"');
+ expect(res.headers.get('etag')).toMatch(/^W\/"pdf-/);
+ expect(res.headers.get('last-modified')).toBeTruthy();
const body = new Uint8Array(await res.arrayBuffer());
const header = new TextDecoder().decode(body.slice(0, 4));
expect(header).toBe('%PDF');
});
+ it('serves PDF for a real browser Accept (text/html + */*)', async () => {
+ const res = await fetch(`${baseUrl}/jane.cv`, {
+ headers: { accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' },
+ });
+ expect(res.status).toBe(200);
+ expect(res.headers.get('content-type')).toBe('application/vnd.cv+pdf');
+ const body = new Uint8Array(await res.arrayBuffer());
+ expect(new TextDecoder().decode(body.slice(0, 4))).toBe('%PDF');
+ });
+
+ it('q=0 markdown falls through to PDF', async () => {
+ const res = await fetch(`${baseUrl}/jane.cv`, { headers: { accept: 'text/markdown;q=0' } });
+ expect(res.headers.get('content-type')).toBe('application/vnd.cv+pdf');
+ });
+
it('serves markdown when Accept is text/markdown', async () => {
const res = await fetch(`${baseUrl}/jane.cv`, { headers: { accept: 'text/markdown' } });
expect(res.status).toBe(200);
@@ -81,6 +99,39 @@ describe('cvHandler over HTTP', () => {
expect(await res.text()).toBe(SAMPLE_MD);
});
+ it('markdown Content-Type carries no cv-language parameter', async () => {
+ const res = await fetch(`${baseUrl}/jane.cv`, { headers: { accept: 'text/markdown' } });
+ expect(res.headers.get('content-type')).toBe('text/markdown; charset=utf-8');
+ });
+
+ it('ETag varies by negotiated format', async () => {
+ const pdf = await fetch(`${baseUrl}/jane.cv`);
+ const md = await fetch(`${baseUrl}/jane.cv`, { headers: { accept: 'text/markdown' } });
+ expect(pdf.headers.get('etag')).not.toBe(md.headers.get('etag'));
+ await pdf.arrayBuffer();
+ await md.text();
+ });
+
+ it('honors If-None-Match with a 304', async () => {
+ const first = await fetch(`${baseUrl}/jane.cv`, { headers: { accept: 'text/markdown' } });
+ const etag = first.headers.get('etag')!;
+ await first.text();
+ const second = await fetch(`${baseUrl}/jane.cv`, {
+ headers: { accept: 'text/markdown', 'if-none-match': etag },
+ });
+ expect(second.status).toBe(304);
+ expect(second.headers.get('etag')).toBe(etag);
+ expect(await second.text()).toBe('');
+ });
+
+ it('honors If-Modified-Since with a 304', async () => {
+ const first = await fetch(`${baseUrl}/jane.cv`);
+ const lastModified = first.headers.get('last-modified')!;
+ await first.arrayBuffer();
+ const second = await fetch(`${baseUrl}/jane.cv`, { headers: { 'if-modified-since': lastModified } });
+ expect(second.status).toBe(304);
+ });
+
it('returns 404 for missing file', async () => {
const res = await fetch(`${baseUrl}/nope.cv`);
expect(res.status).toBe(404);
@@ -91,3 +142,82 @@ describe('cvHandler over HTTP', () => {
expect([404, 415]).toContain(res.status);
});
});
+
+describe('Content-Disposition sanitization', () => {
+ let injServer: Server;
+ let injBase: string;
+ let cvBytes: Uint8Array;
+
+ beforeAll(async () => {
+ cvBytes = await pack({
+ pdf: await makeBlankPdf(),
+ markdown: SAMPLE_MD,
+ html: SAMPLE_HTML,
+ metadata: { primaryLanguage: 'en' },
+ });
+ const handler = cvHandler({ loader: async () => cvBytes });
+ injServer = createServer((req, res) => void handler(req, res));
+ await new Promise((resolve) => injServer.listen(0, '127.0.0.1', resolve));
+ const addr = injServer.address();
+ if (typeof addr !== 'object' || !addr) throw new Error('no address');
+ injBase = `http://127.0.0.1:${addr.port}`;
+ });
+
+ afterAll(async () => {
+ await new Promise((resolve) => injServer.close(() => resolve()));
+ });
+
+ it('strips quotes from the filename', async () => {
+ const res = await fetch(`${injBase}/a%22b.cv`);
+ const cd = res.headers.get('content-disposition')!;
+ expect(cd).toBe('inline; filename="ab.cv"');
+ expect(cd).not.toContain('a"b');
+ await res.arrayBuffer();
+ });
+
+ it('emits RFC 5987 filename* for non-ASCII names', async () => {
+ const res = await fetch(`${injBase}/${encodeURIComponent('café')}.cv`);
+ const cd = res.headers.get('content-disposition')!;
+ expect(cd).toContain("filename*=UTF-8''caf%C3%A9.cv");
+ await res.arrayBuffer();
+ });
+
+ it('never lets CR/LF reach the header value', async () => {
+ // %0d%0a in the path would be header-injection if interpolated raw.
+ const res = await fetch(`${injBase}/a%0d%0aX-Injected:1b.cv`);
+ const cd = res.headers.get('content-disposition')!;
+ expect(cd).not.toMatch(/[\r\n]/);
+ expect(res.headers.get('x-injected')).toBeNull();
+ await res.arrayBuffer();
+ });
+});
+
+describe('defaultFormat as final fallback', () => {
+ let mdServer: Server;
+ let mdBase: string;
+
+ beforeAll(async () => {
+ const handler = cvHandler({ root: tmpRoot, defaultFormat: 'markdown' });
+ mdServer = createServer((req, res) => void handler(req, res));
+ await new Promise((resolve) => mdServer.listen(0, '127.0.0.1', resolve));
+ const addr = mdServer.address();
+ if (typeof addr !== 'object' || !addr) throw new Error('no address');
+ mdBase = `http://127.0.0.1:${addr.port}`;
+ });
+
+ afterAll(async () => {
+ await new Promise((resolve) => mdServer.close(() => resolve()));
+ });
+
+ it('does not override an explicit Accept', async () => {
+ const res = await fetch(`${mdBase}/jane.cv`, { headers: { accept: 'application/pdf' } });
+ expect(res.headers.get('content-type')).toBe('application/vnd.cv+pdf');
+ await res.arrayBuffer();
+ });
+
+ it('applies when there is no usable Accept', async () => {
+ const res = await fetch(`${mdBase}/jane.cv`, { headers: { accept: '' } });
+ expect(res.headers.get('content-type')).toContain('text/markdown');
+ await res.text();
+ });
+});
diff --git a/packages/viewer-web/demo/index.html b/packages/viewer-web/demo/index.html
index a06a49b..4da9b88 100644
--- a/packages/viewer-web/demo/index.html
+++ b/packages/viewer-web/demo/index.html
@@ -49,6 +49,19 @@
cursor: pointer;
font-weight: 600;
}
+ .drop button:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
+ /* Visually hidden but focusable: the styled button proxies clicks/keys to it. */
+ .visually-hidden {
+ position: absolute;
+ width: 1px;
+ height: 1px;
+ margin: -1px;
+ padding: 0;
+ overflow: hidden;
+ clip: rect(0 0 0 0);
+ clip-path: inset(50%);
+ border: 0;
+ }
.viewer { margin-top: 2rem; }
footer {
max-width: 920px;
@@ -72,8 +85,15 @@
.cv viewer
Drop a .cv file here
or pick one from disk
-
-
+
+
diff --git a/packages/viewer-web/demo/main.ts b/packages/viewer-web/demo/main.ts
index 45ecac5..c974190 100644
--- a/packages/viewer-web/demo/main.ts
+++ b/packages/viewer-web/demo/main.ts
@@ -45,6 +45,9 @@ const sampleLink = document.getElementById('load-sample');
sampleLink?.addEventListener('click', async (e) => {
e.preventDefault();
const res = await fetch('./sample.cv');
+ if (!res.ok) {
+ throw new Error(`Could not load sample: ${res.status} ${res.statusText}`);
+ }
const buf = new Uint8Array(await res.arrayBuffer());
mount.hidden = false;
await embed.loadFromBytes(buf);
diff --git a/packages/viewer-web/demo/sample.cv b/packages/viewer-web/demo/public/sample.cv
similarity index 100%
rename from packages/viewer-web/demo/sample.cv
rename to packages/viewer-web/demo/public/sample.cv
diff --git a/packages/viewer-web/dist-demo/assets/index-CGHtsZ-C.js b/packages/viewer-web/dist-demo/assets/index-CGHtsZ-C.js
new file mode 100644
index 0000000..4d40a79
--- /dev/null
+++ b/packages/viewer-web/dist-demo/assets/index-CGHtsZ-C.js
@@ -0,0 +1,431 @@
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+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: BSD-3-Clause
+ */const vo=globalThis,ic=vo.ShadowRoot&&(vo.ShadyCSS===void 0||vo.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,ac=Symbol(),yf=new WeakMap;let td=class{constructor(e,t,n){if(this._$cssResult$=!0,n!==ac)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=e,this.t=t}get styleSheet(){let e=this.o;const t=this.t;if(ic&&e===void 0){const n=t!==void 0&&t.length===1;n&&(e=yf.get(t)),e===void 0&&((this.o=e=new CSSStyleSheet).replaceSync(this.cssText),n&&yf.set(t,e))}return e}toString(){return this.cssText}};const Jp=r=>new td(typeof r=="string"?r:r+"",void 0,ac),Qp=(r,...e)=>{const t=r.length===1?r[0]:e.reduce((n,i,a)=>n+(o=>{if(o._$cssResult$===!0)return o.cssText;if(typeof o=="number")return o;throw Error("Value passed to 'css' function must be a 'css' function result: "+o+". Use 'unsafeCSS' to pass non-literal values, but take care to ensure page security.")})(i)+r[a+1],r[0]);return new td(t,r,ac)},$p=(r,e)=>{if(ic)r.adoptedStyleSheets=e.map(t=>t instanceof CSSStyleSheet?t:t.styleSheet);else for(const t of e){const n=document.createElement("style"),i=vo.litNonce;i!==void 0&&n.setAttribute("nonce",i),n.textContent=t.cssText,r.appendChild(n)}},mf=ic?r=>r:r=>r instanceof CSSStyleSheet?(e=>{let t="";for(const n of e.cssRules)t+=n.cssText;return Jp(t)})(r):r;/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: BSD-3-Clause
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+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: BSD-3-Clause
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+ * Copyright 2017 Google LLC
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+ * Copyright 2017 Google LLC
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+ * SPDX-License-Identifier: BSD-3-Clause
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+Copyright (c) Microsoft Corporation.
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+Permission to use, copy, modify, and/or distribute this software for any
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+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
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e=r.state,t=e.pending;t>r.avail_out&&(t=r.avail_out),t!==0&&(dt.arraySet(r.output,e.pending_buf,e.pending_out,t,r.next_out),r.next_out+=t,e.pending_out+=t,r.total_out+=t,r.avail_out-=t,e.pending-=t,e.pending===0&&(e.pending_out=0))}function ot(r,e){Vt._tr_flush_block(r,r.block_start>=0?r.block_start:-1,r.strstart-r.block_start,e),r.block_start=r.strstart,Nr(r.strm)}function Se(r,e){r.pending_buf[r.pending++]=e}function wi(r,e){r.pending_buf[r.pending++]=e>>>8&255,r.pending_buf[r.pending++]=e&255}function Ug(r,e,t,n){var i=r.avail_in;return i>n&&(i=n),i===0?0:(r.avail_in-=i,dt.arraySet(e,r.input,r.next_in,i,t),r.state.wrap===1?r.adler=Md(r.adler,e,i,t):r.state.wrap===2&&(r.adler=Ir(r.adler,e,i,t)),r.next_in+=i,r.total_in+=i,i)}function Bd(r,e){var t=r.max_chain_length,n=r.strstart,i,a,o=r.prev_length,s=r.nice_match,c=r.strstart>r.w_size-tr?r.strstart-(r.w_size-tr):0,l=r.window,f=r.w_mask,u=r.prev,d=r.strstart+Ur,h=l[n+o-1],p=l[n+o];r.prev_length>=r.good_match&&(t>>=2),s>r.lookahead&&(s=r.lookahead);do if(i=e,!(l[i+o]!==p||l[i+o-1]!==h||l[i]!==l[n]||l[++i]!==l[n+1])){n+=2,i++;do;while(l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&l[++n]===l[++i]&&no){if(r.match_start=e,o=a,a>=s)break;h=l[n+o-1],p=l[n+o]}}while((e=u[e&f])>c&&--t!==0);return o<=r.lookahead?o:r.lookahead}function dn(r){var e=r.w_size,t,n,i,a,o;do{if(a=r.window_size-r.lookahead-r.strstart,r.strstart>=e+(e-tr)){dt.arraySet(r.window,r.window,e,e,0),r.match_start-=e,r.strstart-=e,r.block_start-=e,n=r.hash_size,t=n;do i=r.head[--t],r.head[t]=i>=e?i-e:0;while(--n);n=e,t=n;do i=r.prev[--t],r.prev[t]=i>=e?i-e:0;while(--n);a+=e}if(r.strm.avail_in===0)break;if(n=Ug(r.strm,r.window,r.strstart+r.lookahead,a),r.lookahead+=n,r.lookahead+r.insert>=xe)for(o=r.strstart-r.insert,r.ins_h=r.window[o],r.ins_h=(r.ins_h<r.pending_buf_size-5&&(t=r.pending_buf_size-5);;){if(r.lookahead<=1){if(dn(r),r.lookahead===0&&e===wn)return _e;if(r.lookahead===0)break}r.strstart+=r.lookahead,r.lookahead=0;var n=r.block_start+t;if((r.strstart===0||r.strstart>=n)&&(r.lookahead=r.strstart-n,r.strstart=n,ot(r,!1),r.strm.avail_out===0)||r.strstart-r.block_start>=r.w_size-tr&&(ot(r,!1),r.strm.avail_out===0))return _e}return r.insert=0,e===qr?(ot(r,!0),r.strm.avail_out===0?hn:ci):(r.strstart>r.block_start&&(ot(r,!1),r.strm.avail_out===0),_e)}function Gs(r,e){for(var t,n;;){if(r.lookahead=xe&&(r.ins_h=(r.ins_h<=xe)if(n=Vt._tr_tally(r,r.strstart-r.match_start,r.match_length-xe),r.lookahead-=r.match_length,r.match_length<=r.max_lazy_match&&r.lookahead>=xe){r.match_length--;do r.strstart++,r.ins_h=(r.ins_h<=xe&&(r.ins_h=(r.ins_h<4096)&&(r.match_length=xe-1)),r.prev_length>=xe&&r.match_length<=r.prev_length){i=r.strstart+r.lookahead-xe,n=Vt._tr_tally(r,r.strstart-1-r.prev_match,r.prev_length-xe),r.lookahead-=r.prev_length-1,r.prev_length-=2;do++r.strstart<=i&&(r.ins_h=(r.ins_h<=xe&&r.strstart>0&&(i=r.strstart-1,n=o[i],n===o[++i]&&n===o[++i]&&n===o[++i])){a=r.strstart+Ur;do;while(n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&n===o[++i]&&ir.lookahead&&(r.match_length=r.lookahead)}if(r.match_length>=xe?(t=Vt._tr_tally(r,1,r.match_length-xe),r.lookahead-=r.match_length,r.strstart+=r.match_length,r.match_length=0):(t=Vt._tr_tally(r,0,r.window[r.strstart]),r.lookahead--,r.strstart++),t&&(ot(r,!1),r.strm.avail_out===0))return _e}return r.insert=0,e===qr?(ot(r,!0),r.strm.avail_out===0?hn:ci):r.last_lit&&(ot(r,!1),r.strm.avail_out===0)?_e:Ca}function Vg(r,e){for(var t;;){if(r.lookahead===0&&(dn(r),r.lookahead===0)){if(e===wn)return _e;break}if(r.match_length=0,t=Vt._tr_tally(r,0,r.window[r.strstart]),r.lookahead--,r.strstart++,t&&(ot(r,!1),r.strm.avail_out===0))return _e}return r.insert=0,e===qr?(ot(r,!0),r.strm.avail_out===0?hn:ci):r.last_lit&&(ot(r,!1),r.strm.avail_out===0)?_e:Ca}function or(r,e,t,n,i){this.good_length=r,this.max_lazy=e,this.nice_length=t,this.max_chain=n,this.func=i}var Xn;Xn=[new or(0,0,0,0,jg),new or(4,4,8,4,Gs),new or(4,5,16,8,Gs),new or(4,6,32,32,Gs),new or(4,4,16,16,Mn),new or(8,16,32,32,Mn),new or(8,16,128,128,Mn),new or(8,32,128,256,Mn),new or(32,128,258,1024,Mn),new or(32,258,258,4096,Mn)];function Wg(r){r.window_size=2*r.w_size,zr(r.head),r.max_lazy_match=Xn[r.level].max_lazy,r.good_match=Xn[r.level].good_length,r.nice_match=Xn[r.level].nice_length,r.max_chain_length=Xn[r.level].max_chain,r.strstart=0,r.block_start=0,r.lookahead=0,r.insert=0,r.match_length=r.prev_length=xe-1,r.match_available=0,r.ins_h=0}function qg(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ts,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new dt.Buf16(Ng*2),this.dyn_dtree=new dt.Buf16((2*Dg+1)*2),this.bl_tree=new dt.Buf16((2*Ig+1)*2),zr(this.dyn_ltree),zr(this.dyn_dtree),zr(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new dt.Buf16(Mg+1),this.heap=new dt.Buf16(2*Rl+1),zr(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new dt.Buf16(2*Rl+1),zr(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function zd(r){var e;return!r||!r.state?jr(r,Wt):(r.total_in=r.total_out=0,r.data_type=Fg,e=r.state,e.pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=e.wrap?rs:ln,r.adler=e.wrap===2?0:1,e.last_flush=wn,Vt._tr_init(e),dr)}function Ud(r){var e=zd(r);return e===dr&&Wg(r.state),e}function Hg(r,e){return!r||!r.state||r.state.wrap!==2?Wt:(r.state.gzhead=e,dr)}function jd(r,e,t,n,i,a){if(!r)return Wt;var o=1;if(e===wg&&(e=6),n<0?(o=0,n=-n):n>15&&(o=2,n-=16),i<1||i>Eg||t!==ts||n<8||n>15||e<0||e>9||a<0||a>Ag)return jr(r,Wt);n===8&&(n=9);var s=new qg;return r.state=s,s.strm=r,s.wrap=o,s.gzhead=null,s.w_bits=n,s.w_size=1<Uf||e<0)return r?jr(r,Wt):Wt;if(n=r.state,!r.output||!r.input&&r.avail_in!==0||n.status===Mi&&e!==qr)return jr(r,r.avail_out===0?Ks:Wt);if(n.strm=r,t=n.last_flush,n.last_flush=e,n.status===rs)if(n.wrap===2)r.adler=0,Se(n,31),Se(n,139),Se(n,8),n.gzhead?(Se(n,(n.gzhead.text?1:0)+(n.gzhead.hcrc?2:0)+(n.gzhead.extra?4:0)+(n.gzhead.name?8:0)+(n.gzhead.comment?16:0)),Se(n,n.gzhead.time&255),Se(n,n.gzhead.time>>8&255),Se(n,n.gzhead.time>>16&255),Se(n,n.gzhead.time>>24&255),Se(n,n.level===9?2:n.strategy>=qa||n.level<2?4:0),Se(n,n.gzhead.os&255),n.gzhead.extra&&n.gzhead.extra.length&&(Se(n,n.gzhead.extra.length&255),Se(n,n.gzhead.extra.length>>8&255)),n.gzhead.hcrc&&(r.adler=Ir(r.adler,n.pending_buf,n.pending,0)),n.gzindex=0,n.status=Ol):(Se(n,0),Se(n,0),Se(n,0),Se(n,0),Se(n,0),Se(n,n.level===9?2:n.strategy>=qa||n.level<2?4:0),Se(n,zg),n.status=ln);else{var o=ts+(n.w_bits-8<<4)<<8,s=-1;n.strategy>=qa||n.level<2?s=0:n.level<6?s=1:n.level===6?s=2:s=3,o|=s<<6,n.strstart!==0&&(o|=Bg),o+=31-o%31,n.status=ln,wi(n,o),n.strstart!==0&&(wi(n,r.adler>>>16),wi(n,r.adler&65535)),r.adler=1}if(n.status===Ol)if(n.gzhead.extra){for(i=n.pending;n.gzindex<(n.gzhead.extra.length&65535)&&!(n.pending===n.pending_buf_size&&(n.gzhead.hcrc&&n.pending>i&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),Nr(r),i=n.pending,n.pending===n.pending_buf_size));)Se(n,n.gzhead.extra[n.gzindex]&255),n.gzindex++;n.gzhead.hcrc&&n.pending>i&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),n.gzindex===n.gzhead.extra.length&&(n.gzindex=0,n.status=mo)}else n.status=mo;if(n.status===mo)if(n.gzhead.name){i=n.pending;do{if(n.pending===n.pending_buf_size&&(n.gzhead.hcrc&&n.pending>i&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),Nr(r),i=n.pending,n.pending===n.pending_buf_size)){a=1;break}n.gzindexi&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),a===0&&(n.gzindex=0,n.status=bo)}else n.status=bo;if(n.status===bo)if(n.gzhead.comment){i=n.pending;do{if(n.pending===n.pending_buf_size&&(n.gzhead.hcrc&&n.pending>i&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),Nr(r),i=n.pending,n.pending===n.pending_buf_size)){a=1;break}n.gzindexi&&(r.adler=Ir(r.adler,n.pending_buf,n.pending-i,i)),a===0&&(n.status=xo)}else n.status=xo;if(n.status===xo&&(n.gzhead.hcrc?(n.pending+2>n.pending_buf_size&&Nr(r),n.pending+2<=n.pending_buf_size&&(Se(n,r.adler&255),Se(n,r.adler>>8&255),r.adler=0,n.status=ln)):n.status=ln),n.pending!==0){if(Nr(r),r.avail_out===0)return n.last_flush=-1,dr}else if(r.avail_in===0&&Lf(e)<=Lf(t)&&e!==qr)return jr(r,Ks);if(n.status===Mi&&r.avail_in!==0)return jr(r,Ks);if(r.avail_in!==0||n.lookahead!==0||e!==wn&&n.status!==Mi){var c=n.strategy===qa?Vg(n,e):n.strategy===kg?Lg(n,e):Xn[n.level].func(n,e);if((c===hn||c===ci)&&(n.status=Mi),c===_e||c===hn)return r.avail_out===0&&(n.last_flush=-1),dr;if(c===Ca&&(e===mg?Vt._tr_align(n):e!==Uf&&(Vt._tr_stored_block(n,0,0,!1),e===bg&&(zr(n.head),n.lookahead===0&&(n.strstart=0,n.block_start=0,n.insert=0))),Nr(r),r.avail_out===0))return n.last_flush=-1,dr}return e!==qr?dr:n.wrap<=0?jf:(n.wrap===2?(Se(n,r.adler&255),Se(n,r.adler>>8&255),Se(n,r.adler>>16&255),Se(n,r.adler>>24&255),Se(n,r.total_in&255),Se(n,r.total_in>>8&255),Se(n,r.total_in>>16&255),Se(n,r.total_in>>24&255)):(wi(n,r.adler>>>16),wi(n,r.adler&65535)),Nr(r),n.wrap>0&&(n.wrap=-n.wrap),n.pending!==0?dr:jf)}function Xg(r){var e;return!r||!r.state?Wt:(e=r.state.status,e!==rs&&e!==Ol&&e!==mo&&e!==bo&&e!==xo&&e!==ln&&e!==Mi?jr(r,Wt):(r.state=null,e===ln?jr(r,xg):dr))}function Zg(r,e){var t=e.length,n,i,a,o,s,c,l,f;if(!r||!r.state||(n=r.state,o=n.wrap,o===2||o===1&&n.status!==rs||n.lookahead))return Wt;for(o===1&&(r.adler=Md(r.adler,e,t,0)),n.wrap=0,t>=n.w_size&&(o===0&&(zr(n.head),n.strstart=0,n.block_start=0,n.insert=0),f=new dt.Buf8(n.w_size),dt.arraySet(f,e,t-n.w_size,n.w_size,0),e=f,t=n.w_size),s=r.avail_in,c=r.next_in,l=r.input,r.avail_in=t,r.next_in=0,r.input=e,dn(n);n.lookahead>=xe;){i=n.strstart,a=n.lookahead-(xe-1);do n.ins_h=(n.ins_h<=252?6:Or>=248?5:Or>=240?4:Or>=224?3:Or>=192?2:1;ha[254]=ha[254]=1;Sn.string2buf=function(r){var e,t,n,i,a,o=r.length,s=0;for(i=0;i>>6,e[a++]=128|t&63):t<65536?(e[a++]=224|t>>>12,e[a++]=128|t>>>6&63,e[a++]=128|t&63):(e[a++]=240|t>>>18,e[a++]=128|t>>>12&63,e[a++]=128|t>>>6&63,e[a++]=128|t&63);return e};function Wd(r,e){if(e<65534&&(r.subarray&&Vd||!r.subarray&&Ld))return String.fromCharCode.apply(null,ns.shrinkBuf(r,e));for(var t="",n=0;n4){s[n++]=65533,t+=a-1;continue}for(i&=a===2?31:a===3?15:7;a>1&&t1){s[n++]=65533;continue}i<65536?s[n++]=i:(i-=65536,s[n++]=55296|i>>10&1023,s[n++]=56320|i&1023)}return Wd(s,n)};Sn.utf8border=function(r,e){var t;for(e=e||r.length,e>r.length&&(e=r.length),t=e-1;t>=0&&(r[t]&192)===128;)t--;return t<0||t===0?e:t+ha[r[t]]>e?t:e};function Yg(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}var qd=Yg,Xi=vr,Zi=Er,Pl=Sn,Dl=dc,_g=qd,Hd=Object.prototype.toString,Jg=0,Xs=4,Jn=0,Vf=1,Wf=2,Qg=-1,$g=0,ey=8;function pn(r){if(!(this instanceof pn))return new pn(r);this.options=Zi.assign({level:Qg,method:ey,chunkSize:16384,windowBits:15,memLevel:8,strategy:$g,to:""},r||{});var e=this.options;e.raw&&e.windowBits>0?e.windowBits=-e.windowBits:e.gzip&&e.windowBits>0&&e.windowBits<16&&(e.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new _g,this.strm.avail_out=0;var t=Xi.deflateInit2(this.strm,e.level,e.method,e.windowBits,e.memLevel,e.strategy);if(t!==Jn)throw new Error(Dl[t]);if(e.header&&Xi.deflateSetHeader(this.strm,e.header),e.dictionary){var n;if(typeof e.dictionary=="string"?n=Pl.string2buf(e.dictionary):Hd.call(e.dictionary)==="[object ArrayBuffer]"?n=new Uint8Array(e.dictionary):n=e.dictionary,t=Xi.deflateSetDictionary(this.strm,n),t!==Jn)throw new Error(Dl[t]);this._dict_set=!0}}pn.prototype.push=function(r,e){var t=this.strm,n=this.options.chunkSize,i,a;if(this.ended)return!1;a=e===~~e?e:e===!0?Xs:Jg,typeof r=="string"?t.input=Pl.string2buf(r):Hd.call(r)==="[object ArrayBuffer]"?t.input=new Uint8Array(r):t.input=r,t.next_in=0,t.avail_in=t.input.length;do{if(t.avail_out===0&&(t.output=new Zi.Buf8(n),t.next_out=0,t.avail_out=n),i=Xi.deflate(t,a),i!==Vf&&i!==Jn)return this.onEnd(i),this.ended=!0,!1;(t.avail_out===0||t.avail_in===0&&(a===Xs||a===Wf))&&(this.options.to==="string"?this.onData(Pl.buf2binstring(Zi.shrinkBuf(t.output,t.next_out))):this.onData(Zi.shrinkBuf(t.output,t.next_out)))}while((t.avail_in>0||t.avail_out===0)&&i!==Vf);return a===Xs?(i=Xi.deflateEnd(this.strm),this.onEnd(i),this.ended=!0,i===Jn):(a===Wf&&(this.onEnd(Jn),t.avail_out=0),!0)};pn.prototype.onData=function(r){this.chunks.push(r)};pn.prototype.onEnd=function(r){r===Jn&&(this.options.to==="string"?this.result=this.chunks.join(""):this.result=Zi.flattenChunks(this.chunks)),this.chunks=[],this.err=r,this.msg=this.strm.msg};function pc(r,e){var t=new pn(e);if(t.push(r,!0),t.err)throw t.msg||Dl[t.err];return t.result}function ty(r,e){return e=e||{},e.raw=!0,pc(r,e)}function ry(r,e){return e=e||{},e.gzip=!0,pc(r,e)}Fa.Deflate=pn;Fa.deflate=pc;Fa.deflateRaw=ty;Fa.gzip=ry;var Ra={},rr={},Ha=30,ny=12,iy=function(e,t){var n,i,a,o,s,c,l,f,u,d,h,p,v,b,y,E,w,S,T,C,F,I,M,z,O;n=e.state,i=e.next_in,z=e.input,a=i+(e.avail_in-5),o=e.next_out,O=e.output,s=o-(t-e.avail_out),c=o+(e.avail_out-257),l=n.dmax,f=n.wsize,u=n.whave,d=n.wnext,h=n.window,p=n.hold,v=n.bits,b=n.lencode,y=n.distcode,E=(1<>>24,p>>>=T,v-=T,T=S>>>16&255,T===0)O[o++]=S&65535;else if(T&16){C=S&65535,T&=15,T&&(v>>=T,v-=T),v<15&&(p+=z[i++]<>>24,p>>>=T,v-=T,T=S>>>16&255,T&16){if(F=S&65535,T&=15,vl){e.msg="invalid distance too far back",n.mode=Ha;break e}if(p>>>=T,v-=T,T=o-s,F>T){if(T=F-T,T>u&&n.sane){e.msg="invalid distance too far back",n.mode=Ha;break e}if(I=0,M=h,d===0){if(I+=f-T,T2;)O[o++]=M[I++],O[o++]=M[I++],O[o++]=M[I++],C-=3;C&&(O[o++]=M[I++],C>1&&(O[o++]=M[I++]))}else{I=o-F;do O[o++]=O[I++],O[o++]=O[I++],O[o++]=O[I++],C-=3;while(C>2);C&&(O[o++]=O[I++],C>1&&(O[o++]=O[I++]))}}else if(T&64){e.msg="invalid distance code",n.mode=Ha;break 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v=r[u+3]*.00392156862745098,b=r[u]*v,y=r[u+1]*v,E=r[u+2]*v,w=n[d+3]*(1/255),S=n[d]*w,T=n[d+1]*w,C=n[d+2]*w,F=1-v,I=v+w*F,M=I==0?0:1/I;n[d+3]=255*I,n[d+0]=(b+S*F)*M,n[d+1]=(y+T*F)*M,n[d+2]=(E+C*F)*M}else if(c==2){var v=r[u+3],b=r[u],y=r[u+1],E=r[u+2],w=n[d+3],S=n[d],T=n[d+1],C=n[d+2];v==w&&b==S&&y==T&&E==C?(n[d]=0,n[d+1]=0,n[d+2]=0,n[d+3]=0):(n[d]=b,n[d+1]=y,n[d+2]=E,n[d+3]=v)}else if(c==3){var v=r[u+3],b=r[u],y=r[u+1],E=r[u+2],w=n[d+3],S=n[d],T=n[d+1],C=n[d+2];if(v==w&&b==S&&y==T&&E==C)continue;if(v<220&&w>20)return!1}return!0};V.encode=function(r,e,t,n,i,a,o){n==null&&(n=0),o==null&&(o=!1);var s=V.encode.compress(r,e,t,n,[!1,!1,!1,0,o]);return V.encode.compressPNG(s,-1),V.encode._main(s,e,t,i,a)};V.encodeLL=function(r,e,t,n,i,a,o,s){for(var c={ctype:0+(n==1?0:2)+(i==0?0:4),depth:a,frames:[]},l=(n+i)*a,f=l*e,u=0;u1,u=!1,d=33+(f?20:0);if(i.sRGB!=null&&(d+=13),i.pHYs!=null&&(d+=21),r.ctype==3){for(var h=r.plte.length,p=0;p>>24!=255&&(u=!0);d+=8+h*3+4+(u?8+h*1+4:0)}for(var v=0;v>>8&255,F=S>>>16&255;y[l+w+0]=T,y[l+w+1]=C,y[l+w+2]=F}if(l+=h*3,o(y,l,a(y,l-h*3-4,h*3+4)),l+=4,u){o(y,l,h),l+=4,c(y,l,"tRNS"),l+=4;for(var p=0;p>>24&255;l+=h,o(y,l,a(y,l-h-4,h+4)),l+=4}}for(var I=0,v=0;v>2,H>>2));for(var h=0;hN&&B==U[b-N])D[b]=D[b-N];else{var G=w[B];if(G==null&&(w[B]=G=S.length,S.push(B),S.length>=300))break;D[b]=G}}}var Y=S.length;Y<=256&&l==!1&&(Y<=2?u=1:Y<=4?u=2:Y<=16?u=4:u=8,u=Math.max(u,c));for(var h=0;h>1)]|=De[gr+Ae]<<4-(Ae&1)*4;else if(u==2)for(var Ae=0;Ae>2)]|=De[gr+Ae]<<6-(Ae&3)*2;else if(u==1)for(var Ae=0;Ae>3)]|=De[gr+Ae]<<7-(Ae&7)*1}K=kt,f=3,Me=1}else if(y==!1&&E.length==1){for(var kt=new Uint8Array(N*Q*3),za=N*Q,b=0;bF&&(F=z),MI&&(I=M))}F==-1&&(T=C=F=I=0),i&&((T&1)==1&&T--,(C&1)==1&&C--);var H=(F-T+1)*(I-C+1);Hb&&(b=S),Ty&&(y=T))}b==-1&&(p=v=b=y=0),o&&((p&1)==1&&p--,(v&1)==1&&v--),a={x:p,y:v,width:b-p+1,height:y-v+1};var I=n[i];I.rect=a,I.blend=1,I.img=new Uint8Array(a.width*a.height*4),n[i-1].dispose==0?(V._copyTile(l,e,t,I.img,a.width,a.height,-a.x,-a.y,0),V.encode._prepareDiff(d,e,t,I.img,a)):V._copyTile(d,e,t,I.img,a.width,a.height,-a.x,-a.y,0)};V.encode._prepareDiff=function(r,e,t,n,i){V._copyTile(r,e,t,n,i.width,i.height,-i.x,-i.y,2)};V.encode._filterZero=function(r,e,t,n,i,a,o){var s=[],c=[0,1,2,3,4];a!=-1?c=[a]:(e*n>5e5||t==1)&&(c=[0]);var l;o&&(l={level:0});for(var f=o&&UZIP!=null?UZIP:is,u=0;u>1)+256&255;if(a==4)for(var l=i;l>1)&255;for(var l=i;l>1)&255}if(a==4){for(var l=0;l>>1:t=t>>>1;r[e]=t}return r}(),update:function(r,e,t,n){for(var i=0;i>>8;return r},crc:function(r,e,t){return V.crc.update(4294967295,r,e,t)^4294967295}};V.quantize=function(r,e){var t=new Uint8Array(r),n=t.slice(0),i=new Uint32Array(n.buffer),a=V.quantize.getKDtree(n,e),o=a[0],s=a[1];V.quantize.planeDst;for(var c=t,l=i,f=c.length,u=new 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l=V.quantize.getNearest(s,e,t,n,i);return l.tdsta;)n-=4;if(t>=n)break;var s=e[t>>2];e[t>>2]=e[n>>2],e[n>>2]=s,t+=4,n-=4}for(;o(r,t,i)>a;)t-=4;return t+4};V.quantize.vecDot=function(r,e,t){return r[e]*t[0]+r[e+1]*t[1]+r[e+2]*t[2]+r[e+3]*t[3]};V.quantize.stats=function(r,e,t){for(var n=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],i=[0,0,0,0],a=t-e>>2,o=e;o>>0}};V.M4={multVec:function(r,e){return[r[0]*e[0]+r[1]*e[1]+r[2]*e[2]+r[3]*e[3],r[4]*e[0]+r[5]*e[1]+r[6]*e[2]+r[7]*e[3],r[8]*e[0]+r[9]*e[1]+r[10]*e[2]+r[11]*e[3],r[12]*e[0]+r[13]*e[1]+r[14]*e[2]+r[15]*e[3]]},dot:function(r,e){return r[0]*e[0]+r[1]*e[1]+r[2]*e[2]+r[3]*e[3]},sml:function(r,e){return[r*e[0],r*e[1],r*e[2],r*e[3]]}};V.encode.concatRGBA=function(r){for(var e=0,t=0;t1)throw new Error("Animated PNGs are not supported");var i=new Uint8Array(n[0]),a=Xm(i),o=a.rgbChannel,s=a.alphaChannel;this.rgbChannel=o;var c=s.some(function(l){return l<255});c&&(this.alphaChannel=s),this.type=Gm(t.ctype),this.width=t.width,this.height=t.height,this.bitsPerComponent=8}return r.load=function(e){return new r(e)},r}(),v0=function(){function r(e){this.image=e,this.bitsPerComponent=e.bitsPerComponent,this.width=e.width,this.height=e.height,this.colorSpace="DeviceRGB"}return r.for=function(e){return ce(this,void 0,void 0,function(){var t;return fe(this,function(n){return t=Zm.load(e),[2,new r(t)]})})},r.prototype.embedIntoContext=function(e,t){return ce(this,void 0,void 0,function(){var n,i;return fe(this,function(a){return n=this.embedAlphaChannel(e),i=e.flateStream(this.image.rgbChannel,{Type:"XObject",Subtype:"Image",BitsPerComponent:this.image.bitsPerComponent,Width:this.image.width,Height:this.image.height,ColorSpace:this.colorSpace,SMask:n}),t?(e.assign(t,i),[2,t]):[2,e.register(i)]})})},r.prototype.embedAlphaChannel=function(e){if(this.image.alphaChannel){var t=e.flateStream(this.image.alphaChannel,{Type:"XObject",Subtype:"Image",Height:this.image.height,Width:this.image.width,BitsPerComponent:this.image.bitsPerComponent,ColorSpace:"DeviceGray",Decode:[0,1]});return e.register(t)}},r}(),g0=function(){function r(e,t,n){this.bytes=e,this.start=t||0,this.pos=this.start,this.end=t&&n?t+n:this.bytes.length}return Object.defineProperty(r.prototype,"length",{get:function(){return this.end-this.start},enumerable:!1,configurable:!0}),Object.defineProperty(r.prototype,"isEmpty",{get:function(){return this.length===0},enumerable:!1,configurable:!0}),r.prototype.getByte=function(){return this.pos>=this.end?-1:this.bytes[this.pos++]},r.prototype.getUint16=function(){var e=this.getByte(),t=this.getByte();return e===-1||t===-1?-1:(e<<8)+t},r.prototype.getInt32=function(){var e=this.getByte(),t=this.getByte(),n=this.getByte(),i=this.getByte();return(e<<24)+(t<<16)+(n<<8)+i},r.prototype.getBytes=function(e,t){t===void 0&&(t=!1);var n=this.bytes,i=this.pos,a=this.end;if(e){var s=i+e;s>a&&(s=a),this.pos=s;var o=n.subarray(i,s);return t?new Uint8ClampedArray(o):o}else{var o=n.subarray(i,a);return t?new Uint8ClampedArray(o):o}},r.prototype.peekByte=function(){var e=this.getByte();return this.pos--,e},r.prototype.peekBytes=function(e,t){t===void 0&&(t=!1);var n=this.getBytes(e,t);return this.pos-=n.length,n},r.prototype.skip=function(e){e||(e=1),this.pos+=e},r.prototype.reset=function(){this.pos=this.start},r.prototype.moveStart=function(){this.start=this.pos},r.prototype.makeSubStream=function(e,t){return new r(this.bytes,e,t)},r.prototype.decode=function(){return this.bytes},r}(),Ym=new Uint8Array(0),Oa=function(){function r(e){if(this.pos=0,this.bufferLength=0,this.eof=!1,this.buffer=Ym,this.minBufferLength=512,e)for(;this.minBufferLengtha&&(n=a)}else{for(;!this.eof;)this.readBlock();n=this.bufferLength}this.pos=n;var o=this.buffer.subarray(i,n);return t&&!(o instanceof Uint8ClampedArray)?new 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N=(x&65535)+U;H+n>=O&&(t=this.ensureBuffer(H+n),O=t.length);for(var D=0;D>t,this.codeSize=i-=t,o},e.prototype.getCode=function(t){for(var n=this.stream,i=t[0],a=t[1],o=this.codeSize,s=this.codeBuf,c;o>16,u=l&65535;if(f<1||o>f,this.codeSize=o-f,u},e.prototype.generateHuffmanTable=function(t){var n=t.length,i=0,a;for(a=0;ai&&(i=t[a]);for(var o=1<>=1;for(a=d;a0;if(!T||T<256)b[0]=T,y=1;else if(T>=258)if(T=0;o--)b[o]=u[s],s=h[s];else b[y++]=b[0];else if(T===256){p=9,f=258,y=0;continue}else{this.eof=!0,delete this.lzwState;break}if(C&&(h[f]=v,d[f]=d[v]+1,u[f]=b[0],f++,p=f+l&f+l-1?p:Math.min(Math.log(f+l)/.6931471805599453+1,12)|0),v=T,E+=y,n>>n&(1<0){var o=this.stream.getBytes(a);n.set(o,i),i+=a}}else{a=257-a;var s=t[1];n=this.ensureBuffer(i+a+1);for(var c=0;cn.size())throw new Mo(t,0,n.size());n.remove(t)}else{if(t!==0)throw new Mo(t,0,0);this.setKids([])}},e.prototype.normalizedEntries=function(){var t=this.Kids();return t||(t=this.dict.context.obj([this.ref]),this.dict.set(g.of("Kids"),t)),{Kids:t}},e.fromDict=function(t,n){return new e(t,n)},e}(b0),kc=function(r){q(e,r);function e(){return r!==null&&r.apply(this,arguments)||this}return e.prototype.Opt=function(){return this.dict.lookupMaybe(g.of("Opt"),ke,ee,ye)},e.prototype.setOpt=function(t){this.dict.set(g.of("Opt"),this.dict.context.obj(t))},e.prototype.getExportValues=function(){var t=this.Opt();if(t){if(t instanceof ke||t instanceof ee)return[t];for(var n=[],i=0,a=t.size();in.size())throw new Mo(t,0,n.size());n.remove(t)}},e.prototype.normalizeExportValues=function(){for(var t,n,i,a,o=(t=this.getExportValues())!==null&&t!==void 0?t:[],s=[],c=this.getWidgets(),l=0,f=c.length;l1){if(!this.hasFlag(Te.MultiSelect))throw new mm;this.dict.set(g.of("V"),this.dict.context.obj(t))}this.updateSelectedIndices(t)},e.prototype.valuesAreValid=function(t){for(var n=this.getOptions(),i=function(c,l){var f=t[c].decodeText();if(!n.find(function(u){return 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n=t.obj({}),i=t.register(n);return new e(n,i)},e}(b0),Ac=function(r){q(e,r);function e(){return r!==null&&r.apply(this,arguments)||this}return e.fromDict=function(t,n){return new e(t,n)},e}(fi),fs=function(r){q(e,r);function e(){return r!==null&&r.apply(this,arguments)||this}return e.prototype.MaxLen=function(){var t=this.dict.lookup(g.of("MaxLen"));if(t instanceof ne)return t},e.prototype.Q=function(){var t=this.dict.lookup(g.of("Q"));if(t instanceof ne)return t},e.prototype.setMaxLength=function(t){this.dict.set(g.of("MaxLen"),ne.of(t))},e.prototype.removeMaxLength=function(){this.dict.delete(g.of("MaxLen"))},e.prototype.getMaxLength=function(){var t;return(t=this.MaxLen())===null||t===void 0?void 0:t.asNumber()},e.prototype.setQuadding=function(t){this.dict.set(g.of("Q"),ne.of(t))},e.prototype.getQuadding=function(){var t;return(t=this.Q())===null||t===void 0?void 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n},r.prototype.skipWhitespace=function(){for(;!this.bytes.done()&&Cr[this.bytes.peek()];)this.bytes.next()},r.prototype.skipLine=function(){for(;!this.bytes.done();){var e=this.bytes.peek();if(e===zu||e===Uu)return;this.bytes.next()}},r.prototype.skipComment=function(){if(this.bytes.peek()!==m.Percent)return!1;for(;!this.bytes.done();){var e=this.bytes.peek();if(e===zu||e===Uu)return!0;this.bytes.next()}return!0},r.prototype.skipWhitespaceAndComments=function(){for(this.skipWhitespace();this.skipComment();)this.skipWhitespace()},r.prototype.matchKeyword=function(e){for(var t=this.bytes.offset(),n=0,i=e.length;n=this.length},r.prototype.offset=function(){return this.idx},r.prototype.slice=function(e,t){return this.bytes.slice(e,t)},r.prototype.position=function(){return{line:this.line,column:this.column,offset:this.idx}},r.of=function(e){return new r(e)},r.fromPDFRawStream=function(e){return r.of(y0(e).decode())},r}(),vb=m.Space,Ai=m.CarriageReturn,Ti=m.Newline,Fi=[m.s,m.t,m.r,m.e,m.a,m.m],$a=[m.e,m.n,m.d,m.s,m.t,m.r,m.e,m.a,m.m],Re={header:[m.Percent,m.P,m.D,m.F,m.Dash],eof:[m.Percent,m.Percent,m.E,m.O,m.F],obj:[m.o,m.b,m.j],endobj:[m.e,m.n,m.d,m.o,m.b,m.j],xref:[m.x,m.r,m.e,m.f],trailer:[m.t,m.r,m.a,m.i,m.l,m.e,m.r],startxref:[m.s,m.t,m.a,m.r,m.t,m.x,m.r,m.e,m.f],true:[m.t,m.r,m.u,m.e],false:[m.f,m.a,m.l,m.s,m.e],null:[m.n,m.u,m.l,m.l],stream:Fi,streamEOF1:we(Fi,[vb,Ai,Ti]),streamEOF2:we(Fi,[Ai,Ti]),streamEOF3:we(Fi,[Ai]),streamEOF4:we(Fi,[Ti]),endstream:$a,EOF1endstream:we([Ai,Ti],$a),EOF2endstream:we([Ai],$a),EOF3endstream:we([Ti],$a)},T0=function(r){q(e,r);function e(t,n,i){i===void 0&&(i=!1);var a=r.call(this,t,i)||this;return a.context=n,a}return e.prototype.parseObject=function(){if(this.skipWhitespaceAndComments(),this.matchKeyword(Re.true))return pa.True;if(this.matchKeyword(Re.false))return pa.False;if(this.matchKeyword(Re.null))return xt;var t=this.bytes.peek();if(t===m.LessThan&&this.bytes.peekAhead(1)===m.LessThan)return this.parseDictOrStream();if(t===m.LessThan)return this.parseHexString();if(t===m.LeftParen)return this.parseString();if(t===m.ForwardSlash)return this.parseName();if(t===m.LeftSquareBracket)return this.parseArray();if(Ec[t])return this.parseNumberOrRef();throw new Sm(this.bytes.position(),t)},e.prototype.parseNumberOrRef=function(){var t=this.parseRawNumber();this.skipWhitespaceAndComments();var n=this.bytes.offset();if(ct[this.bytes.peek()]){var i=this.parseRawNumber();if(this.skipWhitespaceAndComments(),this.bytes.peek()===m.R)return this.bytes.assertNext(m.R),Fe.of(t,i)}return this.bytes.moveTo(n),ne.of(t)},e.prototype.parseHexString=function(){var t="";for(this.bytes.assertNext(m.LessThan);!this.bytes.done()&&this.bytes.peek()!==m.GreaterThan;)t+=Ar(this.bytes.next());return this.bytes.assertNext(m.GreaterThan),ee.of(t)},e.prototype.parseString=function(){for(var t=0,n=!1,i="";!this.bytes.done();){var a=this.bytes.next();if(i+=Ar(a),n||(a===m.LeftParen&&(t+=1),a===m.RightParen&&(t-=1)),a===m.BackSlash?n=!n:n&&(n=!1),t===0)return ke.of(i.substring(1,i.length-1))}throw new Tm(this.bytes.position())},e.prototype.parseName=function(){this.bytes.assertNext(m.ForwardSlash);for(var t="";!this.bytes.done();){var n=this.bytes.peek();if(Cr[n]||Zt[n])break;t+=Ar(n),this.bytes.next()}return g.of(t)},e.prototype.parseArray=function(){this.bytes.assertNext(m.LeftSquareBracket),this.skipWhitespaceAndComments();for(var t=ye.withContext(this.context);this.bytes.peek()!==m.RightSquareBracket;){var n=this.parseObject();t.push(n),this.skipWhitespaceAndComments()}return this.bytes.assertNext(m.RightSquareBracket),t},e.prototype.parseDict=function(){this.bytes.assertNext(m.LessThan),this.bytes.assertNext(m.LessThan),this.skipWhitespaceAndComments();for(var t=new Map;!this.bytes.done()&&this.bytes.peek()!==m.GreaterThan&&this.bytes.peekAhead(1)!==m.GreaterThan;){var n=this.parseName(),i=this.parseObject();t.set(n,i),this.skipWhitespaceAndComments()}this.skipWhitespaceAndComments(),this.bytes.assertNext(m.GreaterThan),this.bytes.assertNext(m.GreaterThan);var a=t.get(g.of("Type"));return a===g.of("Catalog")?k0.fromMapWithContext(t,this.context):a===g.of("Pages")?A0.fromMapWithContext(t,this.context):a===g.of("Page")?Fr.fromMapWithContext(t,this.context):ie.fromMapWithContext(t,this.context)},e.prototype.parseDictOrStream=function(){var t=this.bytes.position(),n=this.parseDict();if(this.skipWhitespaceAndComments(),!this.matchKeyword(Re.streamEOF1)&&!this.matchKeyword(Re.streamEOF2)&&!this.matchKeyword(Re.streamEOF3)&&!this.matchKeyword(Re.streamEOF4)&&!this.matchKeyword(Re.stream))return n;var i=this.bytes.offset(),a,o=n.get(g.of("Length"));o instanceof 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