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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 <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <time.h>
#include "archive.h"
static char *atomID(const struct Envelope *envelope) {
struct Variable vars[] = {
{ "messageID", envelope->messageID },
{0},
};
return templateURL("mailto:?Message-Id=[messageID]", vars);
}
static int atomAuthor(FILE *file, struct Address addr) {
// TODO: Conditionally include <email>.
const char *template = TEMPLATE(
<author>
<name>[name]</name>
<email>[mailbox]@[host]</email>
</author>
);
struct Variable vars[] = {
{ "name", addressName(addr) },
{ "mailbox", addr.mailbox },
{ "host", addr.host },
{0},
};
return templateRender(file, template, vars, escapeXML);
}
int atomEntryOpen(FILE *file, const struct Envelope *envelope) {
// TODO: <link> to corresponding mbox, needs base URL.
const char *template = TEMPLATE(
<entry>
<id>[id]</id>
<title>[title]</title>
<updated>[updated]</updated>
);
char *id = atomID(envelope);
char updated[sizeof("0000-00-00T00:00:00Z")];
strftime(updated, sizeof(updated), "%FT%TZ", gmtime(&envelope->time));
struct Variable vars[] = {
{ "id", id },
{ "title", envelope->subject },
{ "updated", updated },
{0},
};
int error = 0
|| templateRender(file, template, vars, escapeXML)
|| atomAuthor(file, envelope->from);
free(id);
return error;
}
int atomContentOpen(FILE *file) {
const char *template = TEMPLATE(
<content type="html">
[<pre>]
);
struct Variable vars[] = {
{ "<pre>", "<pre>" },
{0},
};
return templateRender(file, template, vars, escapeXML);
}
int atomContentClose(FILE *file) {
const char *template = TEMPLATE(
[</pre>]
</content>
);
struct Variable vars[] = {
{ "</pre>", "</pre>" },
{0},
};
return templateRender(file, template, vars, escapeXML);
}
int atomEntryClose(FILE *file) {
return templateRender(file, TEMPLATE(</entry>), NULL, NULL);
}
int atomFeedOpen(FILE *file, const struct Envelope *envelope) {
// TODO: <link> to the corresponding HTML, mbox.
const char *template = TEMPLATE(
<[q]xml version="1.0" encoding="utf-8"[q]>
<feed xmlns="http://www.w3.org/2005/Atom">
<id>[id]</id>
<title>[title]</title>
<updated>[updated]</updated>
);
char *id = atomID(envelope);
time_t now = time(NULL);
char updated[sizeof("0000-00-00T00:00:00Z")];
strftime(updated, sizeof(updated), "%FT%TZ", gmtime(&now));
struct Variable vars[] = {
{ "q", "?" },
{ "id", id },
{ "title", envelope->subject },
{ "updated", updated },
{0},
};
int error = 0
|| templateRender(file, template, vars, escapeXML)
|| atomAuthor(file, envelope->from);
free(id);
return error;
}
int atomFeedClose(FILE *file) {
return templateRender(file, TEMPLATE(</feed>), NULL, NULL);
}
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