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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <time.h>
#include "archive.h"
static const char *Mailto = {
"mailto:[mailbox]@[host]?subject=[re][subject]&In-Reply-To=[messageID]"
};
static const char *Summary = TEMPLATE(
<details class="message" id="[messageID]">
<summary>
<h1 class="subject"><a href="#[messageID]">[subject]</a></h1>
<address class="from"><a href="[mailto]">[from]</a></address>
<time datetime="[utc]">[date]</time>
</summary>
);
static const char *Address = TEMPLATE(
<li><address class="[class]">[name]</address></li>
);
int htmlEnvelope(FILE *file, const struct Envelope *envelope) {
struct Variable mailtoVars[] = {
{ "mailbox", envelope->replyTo.mailbox },
{ "host", envelope->replyTo.host },
{ "re", (strncmp(envelope->subject, "Re: ", 4) ? "Re: " : "") },
{ "subject", envelope->subject },
{ "messageID", envelope->messageID },
{0},
};
size_t cap = sizeof(Mailto);
for (struct Variable *var = mailtoVars; var->value; ++var) {
cap += ESCAPE_URL_CAP(strlen(var->value));
}
char *mailto = malloc(cap);
if (!mailto) err(EX_OSERR, "malloc");
FILE *url = fmemopen(mailto, cap, "w");
if (!url) err(EX_OSERR, "fmemopen");
int error = 0
|| templateRender(url, Mailto, mailtoVars, escapeURL)
|| fclose(url);
assert(!error);
const char *from = envelope->from.name;
if (!from) from = envelope->from.mailbox;
char utc[sizeof("0000-00-00T00:00:00Z")];
strftime(utc, sizeof(utc), "%FT%TZ", gmtime(&envelope->utc));
char date[256];
strftime(date, sizeof(date), "%c %z", &envelope->date);
struct Variable summaryVars[] = {
{ "messageID", envelope->messageID },
{ "subject", envelope->subject },
{ "mailto", mailto },
{ "from", from },
{ "utc", utc },
{ "date", date },
{0},
};
error = templateRender(file, Summary, summaryVars, escapeXML);
free(mailto);
if (error) return error;
if (0 > fprintf(file, "<dl><dt>To:</dt><dd><ul>")) return -1;
for (size_t i = 0; i < envelope->to.len; ++i) {
struct Address addr = envelope->to.addrs[i];
struct Variable vars[] = {
{ "class", "to" },
{ "name", (addr.name ? addr.name : addr.mailbox) },
{0},
};
error = templateRender(file, Address, vars, escapeXML);
if (error) return error;
}
if (0 > fprintf(file, "</ul></dd><dt>Cc:</dt><dd><ul>")) return -1;
for (size_t i = 0; i < envelope->cc.len; ++i) {
struct Address addr = envelope->cc.addrs[i];
struct Variable vars[] = {
{ "class", "cc" },
{ "name", (addr.name ? addr.name : addr.mailbox) },
{0},
};
error = templateRender(file, Address, vars, escapeXML);
if (error) return error;
}
if (0 > fprintf(file, "</ul></dd></dl>")) return -1;
return 0;
}
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