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120 lines
2.9 KiB
JavaScript

#!/usr/bin/zx --quiet
import { resolve, basename } from "path";
const pwd = (await $`pwd`).stdout.replace("\n", "");
$`echo $PWD`;
const path = resolve(process.env.PWD, process.argv.slice(-1)[0]);
const mail_body = (await $`mu view ${path} -o sexp`).stdout.replace(
/\\"/g,
'"'
);
let html = mail_body.match(/\<html\>.*\<\/html\>/gis)[0];
const attachments = (await $`mu extract ${path}`).stdout;
function getSimpleHeader(body, header_name) {
const regexp = new RegExp(`:${header_name} (.*)\n`);
return body.match(regexp)[1];
}
function formatAddress(sexp) {
sexp = sexp
.replace(/(^\(\(|\)\)$)/g, "")
.replace(/"? \. "/, " <")
.replace(/"$/, ">")
.replace(/^"/, "")
.replace(/^nil <(.*)>$/, "$1");
return sexp;
}
function escape(str) {
return str.replace(/</g, "&lt;");
}
const to_download = attachments
.split("\n")
.slice(1)
.filter((line) => line.includes("image"))
.map((line) => {
return {
filename: line.match(/\d+ (.*) image\//)[1],
mime: line.match(/image\/[^ ]+/)[0],
};
});
const files = await Promise.all(
to_download.map(async ({ filename, mime }) => {
await $`mu extract --overwrite --target-dir=/tmp ${path} ${filename}`;
const base64 = (await $`base64 -w 0 < ${`/tmp/${filename}`}`).stdout;
return { filename, base64, mime };
})
);
const attachments_items = files
.map(
({ filename, mime, base64 }) => /* HTML */ `<li>
${filename}<img style="width: 100%" src="data:${mime};base64,${base64}" />
</li>`
)
.join("\n");
html = html.replace(
/<\/body>/i,
/* HTML */ `<hr/><h3>Załączniki:</h3>
<ul>
${attachments_items}
</ul></body>`
);
const subject = getSimpleHeader(mail_body, "subject").slice(1, -1); // slice to remove "
const from = formatAddress(getSimpleHeader(mail_body, "from"));
const to = formatAddress(getSimpleHeader(mail_body, "to"));
const date = await formatDate(getSimpleHeader(mail_body, "date"));
// console.log({ subject, from, to, date });
html = html.replace(
/<body>/i,
`<body>` +
/* HTML */ `<h1>${subject}</h1>
<table>
<tr>
<th>Temat wiadomości:</th>
<td>${subject}</td>
</tr>
<tr>
<th>Wysłano:</th>
<td>${escape(date)}</td>
</tr>
<tr>
<th>Od:</th>
<td>${escape(from)}</td>
</tr>
<tr>
<th>Do:</th>
<td>${escape(to)}</td>
</tr>
</table>`
);
const output = (await $`mktemp --suffix=.html`).stdout.replace("\n", "");
await fs.writeFile(output, html);
await $`wkhtmltopdf ${output} ${`${basename(path)}.pdf`}`;
// console.log(pwd + "output.html");
// console.log(mail_body);
async function formatDate(sexp) {
const parsed = (await $`emacsclient --eval ${`(decode-time '${sexp})`}`)
.stdout;
const [, minutes, hours, date, month, year] = parsed.split(" ");
return `${year}-${month.padStart(2, "0")}-${date} ${hours}:${minutes.padStart(
2,
"0"
)}`;
}