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oblitum/.mailcap Secret

Last active February 8, 2023 20:07
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mutt's secret sauce
Raw
.mailcap
text/html ; uconv --add-signature -f %{charset} -t UTF-8 %s | sponge %s && firefox -new-tab %s & sleep 5 ; description="HTML Document" ; test=test -n "$DISPLAY" ; nametemplate=%s.html
text/html ; w3m -I %{charset} -T text/html %s ; description="HTML Document" ; nametemplate=%s.html ; copiousoutput
text/* ; nvim -Rc Goyo '%s' ; edit=nvim -c Goyo '%s' ; compose=nvim -c Goyo '%s' ; needsterminal
application/pdf ; zathura %s &> /dev/null ; description="PDF Document" ; test=test -n "$DISPLAY" ; nametemplate=%s.pdf
application/pdf ; pdftotext %s - ; description="PDF Document" ; nametemplate=%s.pdf ; copiousoutput
image/pdf ; imv %s &> /dev/null ; description="PDF Image" ; test=test "$DISPLAY" ; nametemplate=%s.pdf
image/gif ; imv %s &> /dev/null ; description="GIF Image" ; test=test "$DISPLAY" ; nametemplate=%s.gif
image/jpeg ; imv %s &> /dev/null ; description="JPEG Image" ; test=test "$DISPLAY" ; nametemplate=%s.jpeg
image/pjpeg ; imv %s &> /dev/null ; description="JPEG Image" ; test=test "$DISPLAY" ; nametemplate=%s.jpeg
image/tiff ; imv %s &> /dev/null ; description="TIFF Image" ; test=test "$DISPLAY" ; nametemplate=%s.tiff
image/x-portable-bitmap ; imv %s &> /dev/null ; description="PBM Image" ; test=test "$DISPLAY" ; nametemplate=%s.pbm
image/x-portable-graymap ; imv %s &> /dev/null ; description="PGM Image" ; test=test "$DISPLAY" ; nametemplate=%s.pgm
image/x-portable-pixmap ; imv %s &> /dev/null ; description="PPM Image" ; test=test "$DISPLAY" ; nametemplate=%s.ppm
image/x-xbitmap ; imv %s &> /dev/null ; description="XBM Image" ; test=test "$DISPLAY" ; nametemplate=%s.xbm
image/x-xpixmap ; imv %s &> /dev/null ; description="XPM Image" ; test=test "$DISPLAY" ; nametemplate=%s.xpm
image/bmp ; imv %s &> /dev/null ; description="BMP Image" ; test=test "$DISPLAY" ; nametemplate=%s.bmp
image/x-bmp ; imv %s &> /dev/null ; description="BMP Image" ; test=test "$DISPLAY" ; nametemplate=%s.bmp
image/x-ms-bmp ; imv %s &> /dev/null ; description="BMP Image" ; test=test "$DISPLAY" ; nametemplate=%s.bmp
image/x-rgb ; imv %s &> /dev/null ; description="RGB Image" ; test=test "$DISPLAY" ; nametemplate=%s.rgb
image/targa ; imv %s &> /dev/null ; description="TARGA Image" ; test=test "$DISPLAY" ; nametemplate=%s.tga
image/fits ; imv %s &> /dev/null ; description="FITS Image" ; test=test "$DISPLAY" ; nametemplate=%s.fits
image/png ; imv %s &> /dev/null ; description="PNG Image" ; test=test "$DISPLAY" ; nametemplate=%s.png
image/pm ; imv %s &> /dev/null ; description="PM Image" ; test=test "$DISPLAY" ; nametemplate=%s.pm
Raw
email.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="ProgId" content="Word.Document">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
$for(author-meta)$
<meta name="author" content="$author-meta$" />
$endfor$
$if(date-meta)$
<meta name="date" content="$date-meta$" />
$endif$
$if(keywords)$
<meta name="keywords" content="$for(keywords)$$keywords$$sep$, $endfor$" />
$endif$
<title>$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$</title>
<style type="text/css">
body, table, td, a {
-webkit-text-size-adjust: 100%;
-ms-text-size-adjust: 100%;
-webkit-font-smoothing: antialiased;
}
table, td { mso-table-lspace: 0pt; mso-table-rspace: 0pt; }
img {
border: 0;
height: auto;
line-height: 100%;
outline: none;
text-decoration: none;
display: inline-block;
padding-top: 7px;
max-width: 100%;
-ms-interpolation-mode: bicubic;
}
figure { margin: 0; padding: 0; }
article, aside, details, figcaption, figure,footer, header, hgroup, menu, nav, section { display: block; }
a[x-apple-data-detectors] {
color: inherit !important;
text-decoration: none !important;
font-size: inherit !important;
font-family: inherit !important;
font-weight: inherit !important;
line-height: inherit !important;
}
div[style*="margin: 16px 0;"] { margin: 0 !important; }
table, td, div, a { box-sizing: border-box; }
body, .body {
font-family: Georgia, "Times New Roman", Times, serif;
font-size: 14px;
line-height: 1.2;
height: 100% !important;
width: 100% !important;
margin: 0 !important;
padding: 0 !important;
}
table { border-collapse: separate !important; width: 100%; }
table td { font-family: Georgia, "Times New Roman", Times, serif; font-size: 14px; vertical-align: top; }
strong, b { font-weight: bold; }
h1, h2, h3, h4, h5, h6 {
color: #222222 !important;
font-family: "Roboto", "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;
font-weight: bold;
line-height: 1.2;
margin: 0;
margin-bottom: 7px;
margin-top: 10.5px;
}
h1, h2 { margin-bottom: 10.5px; margin-top: 14px; }
h1 { font-size: 22.4px; text-transform: capitalize; }
h2 { font-size: 19.6px; }
h3 { font-size: 16.8px; }
h4 { font-size: 15.4px; }
h5 { font-size: 14px; }
h6 { font-size: 12.6px; }
p, ul, ol {
font-family: Georgia, "Times New Roman", Times, serif;
font-size: 14px;
font-weight: normal;
margin: 0;
padding-top: 7px;
color: #111111;
}
ul, ol { margin: 0; margin-bottom: 7.5px; padding-left: 25px; }
ul li, ol li { list-style-position: outside; margin-left: 5px; margin-bottom: 1px; }
li > ul, li > ol { margin-top: 7.5px; }
a { color: #348eda; text-decoration: none; font-weight: bold; }
pre > a, code > a { color: none; font-weight: normal; }
code, pre {
word-break: break-word;
word-wrap: break-word;
-webkit-hyphens: auto;
-moz-hyphens: auto;
hyphens: auto;
font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
font-size: 11.9px;
}
pre {
display: block;
width: 96%;
margin: 1em 0;
margin-bottom: 9px;
background: #f8f8f8;
padding: 1%;
white-space: pre-wrap;
border-radius: 4px;
}
p > code { color: #111111; background: none; }
blockquote {
padding: 0 7px 0 7px;
border-left: 2px solid #cccccc;
border-top: 4.2px solid transparent;
font-style: italic;
margin: 0 0 7px 3px;
}
blockquote p { padding: 0; }
mark { background: #ff0; }
dl dt { font-weight: bold; }
dl dd { margin-left: 28px; }
hr { margin: 28px 0; border: none; border-top: 1px solid #cccccc; }
@media only screen and (max-width: 840px) {
table[class=body] { font-size: 12px !important; }
table[class=body] p, table[class=body] ul, table[class=body] ol { font-size: 12px !important; }
table[class=body] h1 { font-size: 18.2px !important; }
table[class=body] h2 { font-size: 16.8px !important; }
table[class=body] h3 { font-size: 15.4px !important; }
table[class=body] h4 { font-size: 14.7px !important; }
table[class=body] h5 { font-size: 12.6px !important; }
table[class=body] h6 { font-size: 11.9px !important; }
table[class=body] h1, table[class=body] h2 { margin-bottom: 14px !important; margin-top: 14px !important; }
}
</style>
$if(quotes)$
<style type="text/css">q { quotes: "“" "”" "‘" "’"; }</style>
$endif$
$if(highlighting-css)$
<style type="text/css">
$highlighting-css$
</style>
$endif$
$for(css)$
<link rel="stylesheet" href="$css$" type="text/css" />
$endfor$
$if(math)$
$math$
$endif$
$for(header-includes)$
$header-includes$
$endfor$
</head>
<body>
$for(include-before)$
$include-before$
$endfor$
$if(title)$
<div id="$idprefix$header">
<h1 class="title">$title$</h1>
$if(subtitle)$
<h1 class="subtitle">$subtitle$</h1>
$endif$
$for(author)$
<h2 class="author">$author$</h2>
$endfor$
$if(date)$
<h3 class="date">$date$</h3>
$endif$
</div>
$endif$
$if(toc)$
<div id="$idprefix$TOC">
$toc$
</div>
$endif$
$body$
$for(include-after)$
$include-after$
$endfor$
</body>
</html>
Raw
MIMEmbellish
#!/usr/bin/env python3
import re
import sys
import email
import shlex
import mimetypes
import subprocess
from copy import copy
from hashlib import md5
from email import charset
from email import encoders
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.nonmultipart import MIMENonMultipart
from os.path import basename, splitext, expanduser
charset.add_charset('utf-8', charset.SHORTEST, None, 'utf-8')
def pandoc(from_format, to_format='markdown', plain='markdown', title=None):
markdown = ('markdown'
'-blank_before_blockquote')
if from_format == 'plain':
from_format = plain
if from_format == 'markdown':
from_format = markdown
if to_format == 'markdown':
to_format = markdown
command = 'pandoc -f {} -t {} --standalone --highlight-style=tango'
if to_format in ('html', 'html5'):
if title is not None:
command += ' --variable=pagetitle:{}'.format(shlex.quote(title))
command += ' --webtex --template={}'.format(
expanduser('~/.pandoc/templates/email.html'))
return command.format(from_format, to_format)
def gmailfy(payload):
return payload.replace('<blockquote>',
'<blockquote class="gmail_quote" style="'
'padding: 0 7px 0 7px;'
'border-left: 2px solid #cccccc;'
'font-style: italic;'
'margin: 0 0 7px 3px;'
'">')
def make_alternative(message, part):
alternative = convert(part, 'html',
pandoc(part.get_content_subtype(),
to_format='html',
title=message.get('Subject')))
alternative.set_payload(gmailfy(alternative.get_payload()))
return alternative
def make_replacement(message, part):
return convert(part, 'plain', pandoc(part.get_content_subtype()))
def convert(part, to_subtype, command):
payload = part.get_payload().encode('utf-8')
process = subprocess.run(
shlex.split(command),
input=payload, stdout=subprocess.PIPE, check=True)
return MIMEText(process.stdout, to_subtype, 'utf-8')
def with_alternative(parent, part, from_signed,
make_alternative=make_alternative,
make_replacement=None):
alternative = make_alternative(parent or part, from_signed or part)
replacement = (make_replacement(parent or part, part)
if from_signed is None and make_replacement is not None
else part)
envelope = MIMEMultipart('alternative')
if parent is None:
for k, v in part.items():
if (k.lower() != 'mime-version'
and not k.lower().startswith('content-')):
envelope.add_header(k, v)
del part[k]
envelope.attach(replacement)
envelope.attach(alternative)
if parent is None:
return envelope
payload = parent.get_payload()
payload[payload.index(part)] = envelope
return parent
def tag_attachments(message):
if message.get_content_type() == 'multipart/mixed':
for part in message.get_payload():
if (part.get_content_maintype() in ['image']
and 'Content-ID' not in part):
filename = part.get_param('filename',
header='Content-Disposition')
if isinstance(filename, tuple):
filename = str(filename[2], filename[0] or 'us-ascii')
if filename:
filename = splitext(basename(filename))[0]
if filename:
part.add_header('Content-ID', '<{}>'.format(filename))
return message
def attachment_from_file_path(attachment_path):
try:
mime, encoding = mimetypes.guess_type(attachment_path, strict=False)
if mime is None:
return None
maintype, subtype = mime.split('/')
with open(attachment_path, 'rb') as payload:
attachment = MIMENonMultipart(maintype, subtype)
attachment.set_payload(payload.read())
encoders.encode_base64(attachment)
if encoding:
attachment.add_header('Content-Encoding', encoding)
return attachment
except:
return None
attachment_path_pattern = re.compile(r'\]\s*\(\s*file://(/[^)]*\S)\s*\)|'
r'\]\s*:\s*file://(/.*\S)\s*$',
re.MULTILINE)
def link_attachments(payload):
attached = []
attachments = []
def on_match(match):
if match.group(1):
attachment_path = match.group(1)
cid_fmt = '](cid:{})'
else:
attachment_path = match.group(2)
cid_fmt = ']: cid:{}'
attachment_id = md5(attachment_path.encode()).hexdigest()
if attachment_id in attached:
return cid_fmt.format(attachment_id)
attachment = attachment_from_file_path(attachment_path)
if attachment:
attachment.add_header('Content-ID', '<{}>'.format(attachment_id))
attachments.append(attachment)
attached.append(attachment_id)
return cid_fmt.format(attachment_id)
return match.group()
return attachments, attachment_path_pattern.sub(on_match, payload)
def with_local_attachments(parent, part, from_signed,
link_attachments=link_attachments):
if from_signed is None:
attachments, payload = link_attachments(part.get_payload())
part.set_payload(payload)
else:
attachments, payload = link_attachments(from_signed.get_payload())
from_signed = copy(from_signed)
from_signed.set_payload(payload)
if not attachments:
return parent, part, from_signed
if parent is None:
parent = MIMEMultipart('mixed')
for k, v in part.items():
if (k.lower() != 'mime-version'
and not k.lower().startswith('content-')):
parent.add_header(k, v)
del part[k]
parent.attach(part)
for attachment in attachments:
parent.attach(attachment)
return parent, part, from_signed
def is_target(part, target_subtypes):
return (part.get('Content-Disposition', 'inline') == 'inline'
and part.get_content_maintype() == 'text'
and part.get_content_subtype() in target_subtypes)
def pick_from_signed(part, target_subtypes):
for from_signed in part.get_payload():
if is_target(from_signed, target_subtypes):
return from_signed
def seek_target(message, target_subtypes=['plain', 'markdown']):
if message.is_multipart():
if message.get_content_type() == 'multipart/signed':
part = pick_from_signed(message, target_subtypes)
if part is not None:
return None, message, part
elif message.get_content_type() == 'multipart/mixed':
for part in message.get_payload():
if part.is_multipart():
if part.get_content_type() == 'multipart/signed':
from_signed = pick_from_signed(part, target_subtypes)
if from_signed is not None:
return message, part, from_signed
elif is_target(part, target_subtypes):
return message, part, None
else:
if is_target(message, target_subtypes):
return None, message, None
return None, None, None
def main():
try:
message = email.message_from_file(sys.stdin)
parent, part, from_signed = seek_target(message)
if (parent, part, from_signed) == (None, None, None):
print(message)
return
tag_attachments(message)
print(with_alternative(
*with_local_attachments(parent, part, from_signed)))
except (BrokenPipeError, KeyboardInterrupt):
pass
if __name__ == '__main__':
main()
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