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annotate page-download.c @ 84:94dcca86e5cc

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pasterd: database reentrancy + timer
author David Demelier <markand@malikania.fr>
date Fri, 17 Mar 2023 20:01:00 +0100
parents 52029a52a385
children
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1 /*
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2 * page-download.c -- page /download/<id>
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3 *
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4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20
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21 #include "database.h"
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22 #include "page-status.h"
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23 #include "page.h"
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24 #include "paste.h"
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26 static void
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27 get(struct kreq *req)
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28 {
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29 struct paste paste;
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31 if (database_get(&database, &paste, req->path) < 0)
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32 page_status(req, KHTTP_404);
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33 else {
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34 khttp_head(req, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_OCTET_STREAM]);
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35 #if 0
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36 /* TODO: this seems to generated truncated files. */
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37 khttp_head(req, kresps[KRESP_CONTENT_LENGTH], "%zu", strlen(paste.code));
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38 #endif
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39 khttp_head(req, kresps[KRESP_CONNECTION], "keep-alive");
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40 khttp_head(req, kresps[KRESP_CONTENT_DISPOSITION], "attachment; filename=\"%s.%s\"",
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41 paste.id, paste.language
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42 );
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43 khttp_body(req);
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44 khttp_puts(req, paste.code);
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45 khttp_free(req);
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46 paste_finish(&paste);
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47 }
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48 }
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50 void
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51 page_download(struct kreq *req)
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52 {
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53 assert(req);
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54
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55 switch (req->method) {
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56 case KMETHOD_GET:
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57 get(req);
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58 break;
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59 default:
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60 page_status(req, KHTTP_400);
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61 break;
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62 }
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63 }