* Add craft-stream-codecs: the codec modules of PdfCraft's stream filters
LZW, ASCII85, ASCIIHex, RunLength, the TIFF and PNG predictors, bounded CCITT
fax decoding (through hayro-ccitt) with Group 4 encoding (through fax), and
the lossless JBIG2 encoder with its MQ coder, from pdfcraft-filters at
PdfCraft revision 80e26e674d1aa33078e83c8139875047f3289eb6.
The crate sits below craft-pdf and craft-tiff: it knows no container. The
PDF filter chain, Flate and the bounded JBIG2 decoding entry are not part of
it.
* craft-pdf: the PDF filter chain from PdfCraft (`filters`)
Adds the `filters` feature: the /Filter chain of pdfcraft-filters (PdfCraft
revision 80e26e674d1aa33078e83c8139875047f3289eb6) as craft_pdf::filters,
over the codecs in craft-stream-codecs. It adds Flate, strict and tolerant
chain decoding, byte accounting and a shared work allowance, and encoding,
with the chain's unit tests, its property tests and its fuzz target.
The code is unchanged apart from the imports of the moved codecs; FilterError
is craft-stream-codecs' CodecError under its old name.
* craft-pdf: the standard security handler from PdfCraft (`crypt`)
Adds the `crypt` feature: PdfCraft's pdfcraft-crypt crate (revision
2b65ab000bfe0997dec5fbed2769d3da3799355b) as craft_pdf::crypt, with its unit,
integration and property tests. The code is unchanged; doc comments and test
imports name the new module.
It decrypts and encrypts strings and streams for revisions 2 to 6 and creates
encryption dictionaries. The reader keeps its own decryptor.
* craft-pdf: the crypt unit tests build for wasm
The property test in src/crypt/tests.rs needs proptest, which is a
dev-dependency of the non-wasm targets only. It is now compiled for those
targets only; the other unit tests still build for wasm.
* craft-pdf: write URI links only for http(s) with a host and mailto
A document from someone else can carry any link target, and an export
that turns every hyperlink into a PDF URI action hands those targets to
whoever opens the file: script and data URIs, OS protocol handlers,
UNC paths, //host/share, file:// and smb:// links to a host, and
Windows Search links naming a share.
safe_url allows only http and https URLs with a host and mailto with an
address, after trimming whitespace and comparing the scheme
case-insensitively. It is the rule DeckCraft uses for its slide show
and export, and is available without any feature.
write::uri_target returns the Krilla link target for an allowed URL and
None otherwise, so an app that builds its URI links with it writes no
link annotation for a refused target and leaves the page content as
drawn.
* craft-pdf: safe_url needs a real http(s) host and a mailto recipient
Dylan M. Taylor
aiongg
skylar taylor-barrick