pdftract/tests/fixtures/security/generate_sensitive_fixture.rs
2026-05-29 08:25:23 -04:00

116 lines
3.7 KiB
Rust

//! Generate sensitive.pdf for TH-08 log audit test.
//!
//! Creates a password-protected PDF with unique, distinctive markers:
//! - Body text contains "UNIQUE-MARKER-IN-BODY-TEXT-7f9a"
//! - Password value is "UNIQUE-PASSWORD-FOR-TH08-7f9a"
//!
//! These markers are specifically designed to be unlikely to appear
//! in normal log output, making substring-based leak detection reliable.
use lopdf::dictionary;
use lopdf::object::{Dictionary, Object};
use lopdf::{Document, ObjectId};
use std::fs::File;
use std::io::Write;
const BODY_TEXT: &str = "UNIQUE-MARKER-IN-BODY-TEXT-7f9a";
const PASSWORD: &str = "UNIQUE-PASSWORD-FOR-TH08-7f9a";
fn create_sensitive_pdf() -> Document {
let mut doc = Document::with_version("1.4");
// Create a simple page with the unique marker content
let mut pages_dict = Dictionary::new();
pages_dict.set("Type", "Pages");
pages_dict.set("Count", Object::Integer(1));
pages_dict.set("Kids", Object::Array(vec![
Object::Reference((1, 0).into()),
]));
// Create the page
let mut page_dict = Dictionary::new();
page_dict.set("Type", "Page");
page_dict.set("Parent", Object::Reference((0, 0).into()));
page_dict.set("MediaBox", Object::Array(vec![
Object::Real(0.0), Object::Real(0.0),
Object::Real(612.0), Object::Real(792.0)
]));
page_dict.set("Resources", dictionary! {
"Font" => dictionary! {
"F1" => dictionary! {
"Type" => "Font",
"Subtype" => "Type1",
"BaseFont" => "Helvetica"
}
}
});
// Content stream with the unique marker text
let content = format!(
"BT\n/F1 12 Tf\n100 700 Td\n({}) Tj\nET\n",
BODY_TEXT
);
let content_bytes = content.as_bytes();
let content_stream = doc.new_object_id();
doc.objects.insert(content_stream, Object::Stream(lopdf::Stream::new(
dictionary! {},
content_bytes.to_vec()
)));
page_dict.set("Contents", Object::Reference(content_stream));
let page_id = doc.add_object(page_dict);
// Update pages dict with actual page reference
pages_dict.set("Kids", Object::Array(vec![
Object::Reference(page_id),
]));
let pages_id = doc.add_object(pages_dict);
// Update page parent reference
if let Ok(Object::Dictionary(ref mut page_dict)) = doc.objects.get_mut(page_id) {
page_dict.set("Parent", Object::Reference(pages_id));
}
// Create catalog
let mut catalog_dict = Dictionary::new();
catalog_dict.set("Type", "Catalog");
catalog_dict.set("Pages", Object::Reference(pages_id));
let catalog_id = doc.add_object(catalog_dict);
doc.trailer.set("Root", Object::Reference(catalog_id));
// Set document ID (required for encryption)
let id = b"th08-sensitive-pdf-7f9a\0\0\0\0\0\0\0\0\0\0\0\0";
doc.trailer.set("ID", Object::Array(vec![
Object::String(id.to_vec()),
Object::String(id.to_vec()),
]));
doc
}
fn main() {
println!("Generating TH-08 sensitive fixture...");
let mut doc = create_sensitive_pdf();
// Encrypt with the unique password
let user_password = PASSWORD.as_bytes();
let owner_password = b"";
match doc.encrypt(user_password, owner_password) {
Ok(_) => {
let output_path = "tests/fixtures/security/sensitive.pdf";
let mut file = File::create(output_path).unwrap();
file.write_all(doc.to_vec().as_slice()).unwrap();
println!("Created {}", output_path);
println!(" Password: {}", PASSWORD);
println!(" Body text marker: {}", BODY_TEXT);
}
Err(e) => {
eprintln!("Failed to create encrypted PDF: {}", e);
std::process::exit(1);
}
}
}