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open Pdfutil
let progress = ref false
let progress_line s =
if !progress then Printf.eprintf "%s\n%!" s
let progress_line_no_end s =
if !progress then Printf.eprintf "%s%!" s
let progress_page n =
if !progress then Printf.eprintf "%i%!" n
let progress_endpage () =
if !progress then Printf.eprintf ".%!"
let progress_done () =
if !progress then Printf.eprintf "\n%!"
let rec dict_entry_single_object f pdf = function
| (Pdf.Dictionary d) -> f (Pdf.recurse_dict (dict_entry_single_object f pdf) d)
| (Pdf.Stream {contents = (Pdf.Dictionary dict, data)}) ->
f (Pdf.Stream {contents = (Pdf.recurse_dict (dict_entry_single_object f pdf) dict, data)})
| Pdf.Array a -> Pdf.recurse_array (dict_entry_single_object f pdf) a
| x -> x
(* FIXME are we sure that functional values can never appear in the equality here? *)
let remove_dict_entry pdf key search =
let f d =
match search with
| None -> Pdf.remove_dict_entry d key
| Some s ->
match Pdf.lookup_direct pdf key d with
| Some v when v = s -> Pdf.remove_dict_entry d key
| _ -> d
in
Pdf.objselfmap (dict_entry_single_object f pdf) pdf;
pdf.Pdf.trailerdict <- dict_entry_single_object f pdf pdf.Pdf.trailerdict
let replace_dict_entry pdf key value search =
let f d =
match search with
| None -> begin try Pdf.replace_dict_entry d key value with _ -> d end
| Some s ->
match Pdf.lookup_direct pdf key d with
| Some v when v = s -> Pdf.replace_dict_entry d key value
| _ -> d
in
Pdf.objselfmap (dict_entry_single_object f pdf) pdf;
pdf.Pdf.trailerdict <- dict_entry_single_object f pdf pdf.Pdf.trailerdict
let injectible = function '&' | '|' | '\n' | '`' | '$' -> true | _ -> false
let check_injectible s =
if List.exists injectible (explode s) then
begin
Pdfe.log "Insecure character in path name. Exiting\n";
exit 2
end
|
