new: [expansion:convert_markdown_to_pdf] Added module to render a markdown (under GFM) into PDF

misp_modules/modules/expansion/convert_markdown_to_pdf.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python\
+
+import json
+import base64
+import pandoc
+
+misperrors = {'error': 'Error'}
+mispattributes = {'input': ['text'], 'output': ['text']}
+moduleinfo = {
+    'version': '0.1',
+    'author': 'Sami Mokaddem',
+    'description': 'Render the markdown (under GFM) into PDF. Requires pandoc (https://pandoc.org/) and wkhtmltopdf (https://wkhtmltopdf.org/).',
+    'module-type': ['expansion'],
+    'name': 'Markdown to PDF converter',
+    'logo': '',
+    'requirements': ['pandoc'],
+    'features': '',
+    'references': [],
+    'input': '',
+    'output': '',
+}
+
+
+def convert(markdown):
+    doc = pandoc.read(markdown, format='gfm')
+    margin = '3'
+    options = [
+        '--pdf-engine=wkhtmltopdf',
+        f'-V margin-left={margin}',
+        f'-V margin-right={margin}',
+        f'-V margin-top={margin}',
+        f'-V margin-bottom={margin}',
+    ]
+    converted = pandoc.write(doc, format='pdf', options=options)
+    return base64.b64encode(converted).decode()
+
+def handler(q=False):
+    if q is False:
+        return False
+    request = json.loads(q)
+    if request.get('text'):
+        data = request['text']
+    else:
+        return False
+    data = json.loads(data)
+    markdown = data.get('markdown')
+    try:
+        rendered = convert(markdown)
+    except Exception as e:
+        rendered = f'Error: {e}'
+
+    r = {'results': [{'types': mispattributes['output'],
+                      'values':[rendered]}]}
+    return r
+
+
+def introspection():
+    return mispattributes
+
+
+def version():
+    return moduleinfo