1 {!
2 /*
3  * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4  * Copyright (c) 2016, 2019, 2020-2022 Tracey Emery <tracey@traceyemery.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 #include <sys/queue.h>
21 #include <sys/stat.h>
22 
23 #include <ctype.h>
24 #include <event.h>
25 #include <stdint.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sha1.h>
30 #include <sha2.h>
31 #include <imsg.h>
32 
33 #include "got_error.h"
34 #include "got_object.h"
35 #include "got_reference.h"
36 
37 #include "gotwebd.h"
38 #include "tmpl.h"
39 
40 enum gotweb_ref_tm {
41 	TM_DIFF,
42 	TM_LONG,
43 };
44 
45 static int breadcumbs(struct template *);
46 static int datetime(struct template *, time_t, int);
47 static int gotweb_render_blob_line(struct template *, const char *, size_t);
48 static int gotweb_render_tree_item(struct template *, struct got_tree_entry *);
49 static int blame_line(struct template *, const char *, struct blame_line *,
50     int, int);
51 
52 static inline int gotweb_render_more(struct template *, int);
53 
54 static inline int tree_listing(struct template *);
55 static inline int diff_line(struct template *, char *);
56 static inline int tag_item(struct template *, struct repo_tag *);
57 static inline int branch(struct template *, struct got_reflist_entry *);
58 static inline int rss_tag_item(struct template *, struct repo_tag *);
59 static inline int rss_author(struct template *, char *);
60 
61 static inline char *
62 nextsep(char *s, char **t)
63 {
64 	char *q;
65 
66 	while (*s == '/')
67 		s++;
68 	*t = s;
69 	if (*s == '\0')
70 		return NULL;
71 
72 	q = strchr(s, '/');
73 	if (q == NULL)
74 		q = strchr(s, '\0');
75 	return q;
76 }
77 
78 !}
79 
80 {{ define datetime(struct template *tp, time_t t, int fmt) }}
81 {!
82 	struct tm	 tm;
83 	char		 rfc3339[64];
84 	char		 datebuf[64];
85 
86 	if (gmtime_r(&t, &tm) == NULL)
87 		return -1;
88 
89 	if (strftime(rfc3339, sizeof(rfc3339), "%FT%TZ", &tm) == 0)
90 		return -1;
91 
92 	if (fmt != TM_DIFF && asctime_r(&tm, datebuf) == NULL)
93 		return -1;
94 !}
95 <time datetime="{{ rfc3339 }}">
96   {{ if fmt == TM_DIFF }}
97     {{ render gotweb_render_age(tp, t) }}
98   {{ else }}
99     {{ datebuf }} {{ " UTC" }}
100   {{ end }}
101 </time>
102 {{ end }}
103 
104 {{ define breadcumbs(struct template *tp) }}
105 {!
106 	struct request		*c = tp->tp_arg;
107 	struct querystring	*qs = c->t->qs;
108 	struct gotweb_url	 url;
109 	const char		*folder = qs->folder;
110 	const char		*action = "tree";
111 	char			*t, *s = NULL, *dir = NULL;
112 	char			 ch;
113 
114 	memset(&url, 0, sizeof(url));
115 	url.index_page = -1;
116 	url.action = TREE;
117 	url.path = qs->path;
118 	url.commit = qs->commit;
119 
120 	if (qs->action != TREE && qs->action != BLOB) {
121 		action = gotweb_action_name(qs->action);
122 		url.action = qs->action;
123 	}
124 
125 	if (folder && *folder != '\0') {
126 		while (*folder == '/')
127 			folder++;
128 		dir = strdup(folder);
129 		if (dir == NULL)
130 			return (-1);
131 		s = dir;
132 	}
133 !}
134   {{ " / " }}
135   <a href="{{ render gotweb_render_url(c, &url) }}">{{ action }}</a>
136   {{ " / " }}
137   {{ if dir }}
138     {{ while (s = nextsep(s, &t)) != NULL }}
139       {!
140 	ch = *s;
141 	*s = '\0';
142 	url.folder = dir;
143       !}
144 
145       <a href="{{ render gotweb_render_url(c, &url) }}">
146         {{ t }}
147       </a>
148       {{ " / " }}
149 
150       {! *s = ch; !}
151     {{ end }}
152   {{ end }}
153 
154   {{ if qs->file }}
155     {{ qs->file }}
156   {{ end}}
157 
158   {{ finally }}
159   {! free(dir); !}
160 {{ end }}
161 
162 {{ define gotweb_render_page(struct template *tp,
163     int (*body)(struct template *)) }}
164 {!
165 	struct request		*c = tp->tp_arg;
166 	struct server		*srv = c->srv;
167 	struct querystring	*qs = c->t->qs;
168 	struct gotweb_url	 u_path;
169 	const char		*prfx = c->document_uri;
170 	const char		*css = srv->custom_css;
171 
172 	memset(&u_path, 0, sizeof(u_path));
173 	u_path.index_page = -1;
174 	u_path.action = SUMMARY;
175 !}
176 <!doctype html>
177 <html>
178   <head>
179     <meta charset="utf-8" />
180     <title>{{ srv->site_name }}</title>
181     <meta name="viewport" content="initial-scale=1.0" />
182     <meta name="msapplication-TileColor" content="#da532c" />
183     <meta name="theme-color" content="#ffffff"/>
184     <link rel="apple-touch-icon" sizes="180x180" href="{{ prfx }}apple-touch-icon.png" />
185     <link rel="icon" type="image/png" sizes="32x32" href="{{ prfx }}favicon-32x32.png" />
186     <link rel="icon" type="image/png" sizes="16x16" href="{{ prfx }}favicon-16x16.png" />
187     <link rel="manifest" href="{{ prfx }}site.webmanifest"/>
188     <link rel="mask-icon" href="{{ prfx }}safari-pinned-tab.svg" />
189     <link rel="stylesheet" type="text/css" href="{{ prfx }}{{ css }}" />
190   </head>
191   <body>
192     <header id="header">
193       <div id="got_link">
194         <a href="{{ srv->logo_url }}" target="_blank">
195           <img src="{{ prfx }}{{ srv->logo }}" />
196         </a>
197       </div>
198     </header>
199     <nav id="site_path">
200       <div id="site_link">
201         <a href="?index_page={{ printf "%d", qs->index_page }}">
202           {{ srv->site_link }}
203         </a>
204         {{ if qs->path }}
205           {! u_path.path = qs->path; !}
206           {{ " / " }}
207           <a href="{{ render gotweb_render_url(tp->tp_arg, &u_path)}}">
208             {{ qs->path }}
209           </a>
210         {{ end }}
211         {{ if qs->action == SUMMARY || qs->action == DIFF ||
212               qs->action == TAG || qs->action == TAGS }}
213           {{ " / " }}{{ gotweb_action_name(qs->action) }}
214         {{ else if qs->action != INDEX}}
215           {{ render breadcumbs(tp) }}
216         {{ end }}
217       </div>
218     </nav>
219     <main>
220       {{ render body(tp) }}
221     </main>
222     <footer id="site_owner_wrapper">
223       <p id="site_owner">
224         {{ if srv->show_site_owner }}
225           {{ srv->site_owner }}
226         {{ end }}
227       </p>
228     </footer>
229   </body>
230 </html>
231 {{ end }}
232 
233 {{ define gotweb_render_error(struct template *tp) }}
234 {!
235 	struct request		*c = tp->tp_arg;
236 	struct transport	*t = c->t;
237 !}
238 <div id="err_content">
239   {{ if t->error }}
240     {{ t->error->msg }}
241   {{ else }}
242     See daemon logs for details
243   {{ end }}
244 </div>
245 {{ end }}
246 
247 {{ define gotweb_render_repo_table_hdr(struct template *tp) }}
248 {!
249 	struct request *c = tp->tp_arg;
250 	struct server *srv = c->srv;
251 !}
252 <div id="index_header">
253   <div class="index_project">
254     Project
255   </div>
256   {{ if srv->show_repo_description }}
257     <div class="index_project_description">
258       Description
259     </div>
260   {{ end }}
261   {{ if srv->show_repo_owner }}
262     <div class="index_project_owner">
263       Owner
264     </div>
265   {{ end }}
266   {{ if srv->show_repo_age }}
267     <div class="index_project_age">
268       Last Change
269     </div>
270   {{ end }}
271 </div>
272 {{ end }}
273 
274 {{ define gotweb_render_repo_fragment(struct template *tp, struct repo_dir *repo_dir) }}
275 {!
276 	struct request *c = tp->tp_arg;
277 	struct server *srv = c->srv;
278 	struct gotweb_url summary = {
279 		.action = SUMMARY,
280 		.index_page = -1,
281 		.path = repo_dir->name,
282 	}, briefs = {
283 		.action = BRIEFS,
284 		.index_page = -1,
285 		.path = repo_dir->name,
286 	}, commits = {
287 		.action = COMMITS,
288 		.index_page = -1,
289 		.path = repo_dir->name,
290 	}, tags = {
291 		.action = TAGS,
292 		.index_page = -1,
293 		.path = repo_dir->name,
294 	}, tree = {
295 		.action = TREE,
296 		.index_page = -1,
297 		.path = repo_dir->name,
298 	}, rss = {
299 		.action = RSS,
300 		.index_page = -1,
301 		.path = repo_dir->name,
302 	};
303 !}
304 <div class="index_wrapper">
305   <div class="index_project">
306     <a href="{{ render gotweb_render_url(tp->tp_arg, &summary) }}">{{ repo_dir->name }}</a>
307   </div>
308   {{ if srv->show_repo_description }}
309     <div class="index_project_description">
310       {{ repo_dir->description }}
311     </div>
312   {{ end }}
313   {{ if srv->show_repo_owner }}
314     <div class="index_project_owner">
315       {{ repo_dir->owner }}
316     </div>
317   {{ end }}
318   {{ if srv->show_repo_age }}
319     <div class="index_project_age">
320       {{ render datetime(tp, repo_dir->age, TM_DIFF) }}
321     </div>
322   {{ end }}
323   <div class="navs_wrapper">
324     <div class="navs">
325       <a href="{{ render gotweb_render_url(tp->tp_arg, &summary) }}">summary</a>
326       {{ " | " }}
327       <a href="{{ render gotweb_render_url(tp->tp_arg, &briefs) }}">briefs</a>
328       {{ " | " }}
329       <a href="{{ render gotweb_render_url(tp->tp_arg, &commits) }}">commits</a>
330       {{ " | " }}
331       <a href="{{ render gotweb_render_url(tp->tp_arg, &tags) }}">tags</a>
332       {{ " | " }}
333       <a href="{{ render gotweb_render_url(tp->tp_arg, &tree) }}">tree</a>
334       {{ " | " }}
335       <a href="{{ render gotweb_render_url(tp->tp_arg, &rss) }}">rss</a>
336     </div>
337     <hr />
338   </div>
339 </div>
340 {{ end }}
341 
342 {{ define gotweb_render_briefs(struct template *tp) }}
343 {!
344 	struct request		*c = tp->tp_arg;
345 	struct transport	*t = c->t;
346 	struct querystring	*qs = c->t->qs;
347 	struct repo_commit	*rc;
348 	struct repo_dir		*repo_dir = t->repo_dir;
349 	struct gotweb_url	 diff_url, patch_url, tree_url;
350 	char			*tmp, *body;
351 
352 	diff_url = (struct gotweb_url){
353 		.action = DIFF,
354 		.index_page = -1,
355 		.path = repo_dir->name,
356 		.headref = qs->headref,
357 	};
358 	patch_url = (struct gotweb_url){
359 		.action = PATCH,
360 		.index_page = -1,
361 		.path = repo_dir->name,
362 		.headref = qs->headref,
363 	};
364 	tree_url = (struct gotweb_url){
365 		.action = TREE,
366 		.index_page = -1,
367 		.path = repo_dir->name,
368 		.headref = qs->headref,
369 	};
370 !}
371 <header class='subtitle'>
372   <h2>Commit Briefs</h2>
373 </header>
374 <div id="briefs_content">
375   {{ tailq-foreach rc &t->repo_commits entry }}
376     {!
377 	diff_url.commit = rc->commit_id;
378 	patch_url.commit = rc->commit_id;
379 	tree_url.commit = rc->commit_id;
380 
381 	tmp = strchr(rc->committer, '<');
382 	if (tmp)
383 		*tmp = '\0';
384 
385 	body = strchr(rc->commit_msg, '\n');
386 	if (body) {
387 		*body++ = '\0';
388 		while (*body == '\n')
389 		      body++;
390 	}
391     !}
392     <div class='brief'>
393       <p class='brief_meta'>
394         <span class='briefs_age'>
395           {{ render datetime(tp, rc->committer_time, TM_DIFF) }}
396         </span>
397         {{" "}}
398         <span class="briefs_author">
399           {{ rc->committer }}
400         </span>
401       </p>
402       {{ if body && *body != '\0' }}
403         <details class="briefs_log">
404           <summary>
405             <a href="{{ render gotweb_render_url(tp->tp_arg, &diff_url) }}">
406               {{ rc->commit_msg }}
407             </a>
408             {{ if rc->refs_str }}
409               {{ " " }} <span class="refs_str">({{ rc->refs_str }})</span>
410             {{ end }}
411             {{ " " }}
412             <span class="briefs_toggle" aria-hidden="true">
413               {{ " ⋅⋅⋅ " }}
414             </span>
415           </summary>
416           {{ "\n" }}
417           <p>{{ body }}</p>
418         </details>
419       {{ else }}
420         <p class="briefs_log">
421           <a href="{{ render gotweb_render_url(tp->tp_arg, &diff_url) }}">
422             {{ rc->commit_msg }}
423           </a>
424           {{ if rc->refs_str }}
425             {{ " " }} <span class="refs_str">({{ rc->refs_str }})</span>
426           {{ end }}
427         </p>
428       {{ end }}
429     </div>
430     <div class="navs_wrapper">
431       <div class="navs">
432         <a href="{{ render gotweb_render_url(tp->tp_arg, &diff_url) }}">diff</a>
433 	{{ " | " }}
434         <a href="{{ render gotweb_render_url(tp->tp_arg, &patch_url) }}">patch</a>
435 	{{ " | " }}
436 	<a href="{{ render gotweb_render_url(tp->tp_arg, &tree_url) }}">tree</a>
437       </div>
438     </div>
439     <hr />
440   {{ end }}
441   {{ render gotweb_render_more(tp, BRIEFS) }}
442 </div>
443 {{ end }}
444 
445 {{ define gotweb_render_more(struct template *tp, int action) }}
446 {!
447 	struct request		*c = tp->tp_arg;
448 	struct transport	*t = c->t;
449 	struct querystring	*qs = t->qs;
450 	struct gotweb_url	 more = {
451 		.action = action,
452 		.index_page = -1,
453 		.path = qs->path,
454 		.commit = t->more_id,
455 		.headref = qs->headref,
456 		.file = qs->file,
457 	};
458 
459 	if (action == TAGS)
460 		more.commit = t->tags_more_id;
461 !}
462   {{ if more.commit }}
463     <div id="np_wrapper">
464       <div id="nav_more">
465         <a href="{{ render gotweb_render_url(c, &more) }}">
466           More&nbsp;&darr;
467         </a>
468       </div>
469     </div>
470   {{ end }}
471 {{ end }}
472 
473 {{ define gotweb_render_navs(struct template *tp) }}
474 {!
475 	struct request		*c = tp->tp_arg;
476 	struct gotweb_url	 prev, next;
477 	int			 have_prev, have_next;
478 
479 	gotweb_index_navs(c, &prev, &have_prev, &next, &have_next);
480 !}
481 <div id="np_wrapper">
482   <div id="nav_prev">
483     {{ if have_prev }}
484       <a href="{{ render gotweb_render_url(c, &prev) }}">
485         Previous
486       </a>
487     {{ end }}
488   </div>
489   <div id="nav_next">
490     {{ if have_next }}
491       <a href="{{ render gotweb_render_url(c, &next) }}">
492         Next
493       </a>
494     {{ end }}
495   </div>
496 </div>
497 {{ end }}
498 
499 {{ define gotweb_render_commits(struct template *tp) }}
500 {!
501 	struct request		*c = tp->tp_arg;
502 	struct transport	*t = c->t;
503 	struct repo_dir		*repo_dir = t->repo_dir;
504 	struct repo_commit	*rc;
505 	struct gotweb_url	 diff, patch, tree;
506 
507 	diff = (struct gotweb_url){
508 		.action = DIFF,
509 		.index_page = -1,
510 		.path = repo_dir->name,
511 	};
512 	patch = (struct gotweb_url){
513 		.action = PATCH,
514 		.index_page = -1,
515 		.path = repo_dir->name,
516 	};
517 	tree = (struct gotweb_url){
518 		.action = TREE,
519 		.index_page = -1,
520 		.path = repo_dir->name,
521 	};
522 !}
523 <header class="subtitle">
524   <h2>Commits</h2>
525 </header>
526 <div class="commits_content">
527   {{ tailq-foreach rc &t->repo_commits entry }}
528     {!
529 	diff.commit = rc->commit_id;
530 	patch.commit = rc->commit_id;
531 	tree.commit = rc->commit_id;
532     !}
533     <div class="page_header_wrapper">
534       <dl>
535         <dt>Commit:</dt>
536         <dd><code class="commit-id">{{ rc->commit_id }}</code></dd>
537         <dt>From:</dt>
538         <dd>{{ rc->author }}</dd>
539 	{{ if strcmp(rc->committer, rc->author) != 0 }}
540           <dt>Via:</dt>
541           <dd>{{ rc->committer }}</dd>
542 	{{ end }}
543         <dt>Date:</dt>
544         <dd>
545           {{ render datetime(tp, rc->committer_time, TM_LONG) }}
546         </dd>
547       </dl>
548     </div>
549     <hr />
550     <div class="commit">
551       {{ "\n" }}
552       {{ rc->commit_msg }}
553     </div>
554     <div class="navs_wrapper">
555       <div class="navs">
556         <a href="{{ render gotweb_render_url(c, &diff) }}">diff</a>
557 	{{ " | " }}
558         <a href="{{ render gotweb_render_url(c, &patch) }}">patch</a>
559 	{{ " | " }}
560         <a href="{{ render gotweb_render_url(c, &tree) }}">tree</a>
561       </div>
562     </div>
563     <hr />
564   {{ end }}
565   {{ render gotweb_render_more(tp, COMMITS) }}
566 </div>
567 {{ end }}
568 
569 {{ define gotweb_render_blob(struct template *tp) }}
570 {!
571 	struct request		*c = tp->tp_arg;
572 	struct transport	*t = c->t;
573 	struct querystring	*qs = t->qs;
574 	struct got_blob_object	*blob = t->blob;
575 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
576 	struct gotweb_url	 briefs_url, blame_url, raw_url;
577 
578 	memset(&briefs_url, 0, sizeof(briefs_url));
579 	briefs_url.index_page = -1,
580 	briefs_url.action = BRIEFS,
581 	briefs_url.path = qs->path,
582 	briefs_url.commit = qs->commit,
583 	briefs_url.folder = qs->folder,
584 	briefs_url.file = qs->file,
585 
586 	memcpy(&blame_url, &briefs_url, sizeof(blame_url));
587 	blame_url.action = BLAME;
588 
589 	memcpy(&raw_url, &briefs_url, sizeof(raw_url));
590 	raw_url.action = BLOBRAW;
591 !}
592 <header class="subtitle">
593   <h2>Blob</h2>
594 </header>
595 <div id="blob_content">
596   <div class="page_header_wrapper">
597     <dl>
598       <dt>Date:</dt>
599       <dd>
600         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
601       </dd>
602       <dt>Message:</dt>
603       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
604       <dt>Actions:</dt>
605       <dd>
606         <a href="{{ render gotweb_render_url(c, &briefs_url) }}">
607           History
608         </a>
609         {{" | "}}
610         <a href="{{ render gotweb_render_url(c, &blame_url) }}">
611           Blame
612         </a>
613 	{{" | "}}
614         <a href="{{ render gotweb_render_url(c, &raw_url) }}">
615           Raw File
616         </a>
617       </dd>
618     </dl>
619   </div>
620   <hr />
621   <div id="blob">
622     <pre>
623       {{ render got_output_blob_by_lines(tp, blob, gotweb_render_blob_line) }}
624     </pre>
625   </div>
626 </div>
627 {{ end }}
628 
629 {{ define gotweb_render_blob_line(struct template *tp, const char *line,
630     size_t no) }}
631 {!
632 	char		 lineno[16];
633 	int		 r;
634 
635 	r = snprintf(lineno, sizeof(lineno), "%zu", no);
636 	if (r < 0 || (size_t)r >= sizeof(lineno))
637 		return -1;
638 !}
639 <div class="blob_line" id="line{{ lineno }}">
640   <a href="#line{{ lineno }}">{{ lineno }}</a>
641   {{" "}}
642   <span class="blob_code">{{ line }}</span>
643 </div>
644 {{ end }}
645 
646 {{ define tree_listing(struct template *tp) }}
647 {!
648 	const struct got_error	*error;
649 	struct request		*c = tp->tp_arg;
650 	struct transport	*t = c->t;
651 	struct querystring	*qs = c->t->qs;
652 	struct gotweb_url	 url;
653 	char			*readme = NULL;
654 	int			 binary;
655 	const uint8_t		*buf;
656 	size_t			 len;
657 !}
658   <table id="tree">
659     {{ render got_output_repo_tree(c, &readme, gotweb_render_tree_item) }}
660   </table>
661   {{ if readme }}
662     {!
663 	error = got_open_blob_for_output(&t->blob, &t->fd, &binary, c,
664 	    qs->folder, readme, qs->commit);
665 	if (error) {
666 		free(readme);
667 		return (-1);
668 	}
669 
670 	memset(&url, 0, sizeof(url));
671 	url.index_page = -1;
672 	url.action = BLOB;
673 	url.path = t->qs->path;
674 	url.file = readme;
675 	url.folder = t->qs->folder;
676 	url.commit = t->qs->commit;
677     !}
678     {{ if !binary }}
679       <h2>
680         <a href="{{ render gotweb_render_url(c, &url) }}">
681           {{ readme }}
682         </a>
683       </h2>
684       <pre>
685         {!
686 		for (;;) {
687 			error = got_object_blob_read_block(&len, t->blob);
688 			if (error) {
689 				free(readme);
690 				return (-1);
691 			}
692 			if (len == 0)
693 				break;
694 			buf = got_object_blob_get_read_buf(t->blob);
695 			if (tp_write_htmlescape(tp, buf, len) == -1) {
696 				free(readme);
697 				return (-1);
698 			}
699 		}
700         !}
701       </pre>
702     {{ end }}
703   {{ end }}
704 {{ finally }}
705   {! free(readme); !}
706 {{ end }}
707 
708 {{ define gotweb_render_tree(struct template *tp) }}
709 {!
710 	struct request		*c = tp->tp_arg;
711 	struct transport	*t = c->t;
712 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
713 !}
714 <header class='subtitle'>
715   <h2>Tree</h2>
716 </header>
717 <div id="tree_content">
718   <div class="page_header_wrapper">
719     <dl>
720       <dt>Tree:</dt>
721       <dd><code class="commit-id">{{ rc->tree_id }}</code></dd>
722       <dt>Date:</dt>
723       <dd>
724         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
725       </dd>
726       <dt>Message:</dt>
727       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
728     </dl>
729   </div>
730   <hr />
731   {{ render tree_listing(tp) }}
732 </div>
733 {{ end }}
734 
735 {{ define gotweb_render_tree_item(struct template *tp,
736     struct got_tree_entry *te) }}
737 {!
738 	struct request		*c = tp->tp_arg;
739 	struct transport	*t = c->t;
740 	struct querystring	*qs = t->qs;
741 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
742 	const char		*modestr = "";
743 	const char		*name;
744 	const char		*folder;
745 	char			*dir = NULL;
746 	mode_t			 mode;
747 	struct gotweb_url	 url = {
748 	       .index_page = -1,
749 	       .commit = rc->commit_id,
750 	       .path = qs->path,
751 	};
752 
753 	name = got_tree_entry_get_name(te);
754 	mode = got_tree_entry_get_mode(te);
755 
756 	folder = qs->folder ? qs->folder : "";
757 	if (S_ISDIR(mode)) {
758 		if (asprintf(&dir, "%s/%s", folder, name) == -1)
759 			return (-1);
760 
761 		url.action = TREE;
762 		url.folder = dir;
763 	} else {
764 		url.action = BLOB;
765 		url.folder = folder;
766 		url.file = name;
767 	}
768 
769 	if (got_object_tree_entry_is_submodule(te))
770 		modestr = "$";
771 	else if (S_ISLNK(mode))
772 		modestr = "@";
773 	else if (S_ISDIR(mode))
774 		modestr = "/";
775 	else if (mode & S_IXUSR)
776 		modestr = "*";
777 !}
778 <tr class="tree_wrapper">
779   {{ if S_ISDIR(mode) }}
780     <td class="tree_line" colspan=2>
781       <a href="{{ render gotweb_render_url(c, &url) }}">
782         {{ name }}{{ modestr }}
783       </a>
784     </td>
785   {{ else }}
786     <td class="tree_line">
787       <a href="{{ render gotweb_render_url(c, &url) }}">
788         {{ name }}{{ modestr }}
789       </a>
790     </td>
791     <td class="tree_line_blank">
792       {! url.action = COMMITS; !}
793       <a href="{{ render gotweb_render_url(c, &url) }}">
794         commits
795       </a>
796       {{ " | " }}
797       {! url.action = BLAME; !}
798       <a href="{{ render gotweb_render_url(c, &url) }}">
799         blame
800       </a>
801     </td>
802   {{ end }}
803 </tr>
804 {{ finally }}
805 {!
806 	free(dir);
807 !}
808 {{ end }}
809 
810 {{ define gotweb_render_tags(struct template *tp) }}
811 {!
812 	struct request		*c = tp->tp_arg;
813 	struct transport	*t = c->t;
814 	struct querystring	*qs = t->qs;
815 	struct repo_tag		*rt;
816 	int			 commit_found;
817 
818 	commit_found = qs->commit == NULL;
819 !}
820 <header class='subtitle'>
821   <h2>Tags</h2>
822 </header>
823 <div id="tags_content">
824   {{ if t->tag_count == 0 }}
825     <div id="err_content">
826       This repository contains no tags
827     </div>
828   {{ else }}
829     {{ tailq-foreach rt &t->repo_tags entry }}
830       {{ if commit_found || !strcmp(qs->commit, rt->commit_id) }}
831         {! commit_found = 1; !}
832         {{ render tag_item(tp, rt) }}
833       {{ end }}
834     {{ end }}
835     {{ render gotweb_render_more(tp, TAGS) }}
836   {{ end }}
837 </div>
838 {{ end }}
839 
840 {{ define tag_item(struct template *tp, struct repo_tag *rt) }}
841 {!
842 	struct request		*c = tp->tp_arg;
843 	struct transport	*t = c->t;
844 	struct repo_dir		*repo_dir = t->repo_dir;
845 	char			*tag_name = rt->tag_name;
846 	char			*msg = rt->tag_commit;
847 	char			*nl;
848 	struct gotweb_url	 url = {
849 		.action = TAG,
850 		.index_page = -1,
851 		.path = repo_dir->name,
852 		.commit = rt->commit_id,
853 	};
854 
855 	if (strncmp(tag_name, "refs/tags/", 10) == 0)
856 		tag_name += 10;
857 
858 	if (msg) {
859 		nl = strchr(msg, '\n');
860 		if (nl)
861 			*nl = '\0';
862 	}
863 !}
864 <div class="tag_age">
865   {{ render datetime(tp, rt->tagger_time, TM_DIFF) }}
866 </div>
867 <div class="tag_name">{{ tag_name }}</div>
868 <div class="tag_log">
869   <a href="{{ render gotweb_render_url(c, &url) }}">
870     {{ msg }}
871   </a>
872 </div>
873 <div class="navs_wrapper">
874   <div class="navs">
875     <a href="{{ render gotweb_render_url(c, &url) }}">tag</a>
876     {{ " | " }}
877     {! url.action = BRIEFS; !}
878     <a href="{{ render gotweb_render_url(c, &url) }}">commit briefs</a>
879     {{ " | " }}
880     {! url.action = COMMITS; !}
881     <a href="{{ render gotweb_render_url(c, &url) }}">commits</a>
882   </div>
883 </div>
884 <hr />
885 {{ end }}
886 
887 {{ define gotweb_render_tag(struct template *tp) }}
888 {!
889 	struct request		*c = tp->tp_arg;
890 	struct transport	*t = c->t;
891 	struct repo_tag		*rt;
892 	const char		*tag_name;
893 
894 	rt = TAILQ_LAST(&t->repo_tags, repo_tags_head);
895 	tag_name = rt->tag_name;
896 
897 	if (strncmp(tag_name, "refs/", 5) == 0)
898 		tag_name += 5;
899 !}
900 <header class="subtitle">
901   <h2>Tag</h2>
902 </header>
903 <div id="tags_content">
904   <div class="page_header_wrapper">
905     <dl>
906       <dt>Commit:</dt>
907       <dd>
908         <code class="commit-id">{{ rt->commit_id }}</code>
909         {{ " " }}
910         <span class="refs_str">({{ tag_name }})</span>
911       </dd>
912       <dt>Tagger:</dt>
913       <dd>{{ rt->tagger }}</dd>
914       <dt>Date:</dt>
915       <dd>
916         {{ render datetime(tp, rt->tagger_time, TM_LONG)}}
917       </dd>
918       <dt>Message:</dt>
919       <dd class="commit-msg">{{ rt->commit_msg }}</dd>
920     </dl>
921     <hr />
922     <pre id="tag_commit">
923       {{ rt->tag_commit }}
924     </pre>
925   </div>
926 </div>
927 {{ end }}
928 
929 {{ define gotweb_render_diff(struct template *tp) }}
930 {!
931 	struct request		*c = tp->tp_arg;
932 	struct transport	*t = c->t;
933 	struct querystring	*qs = t->qs;
934 	FILE			*fp = t->fp;
935 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
936 	char			*line = NULL;
937 	size_t			 linesize = 0;
938 	ssize_t			 linelen;
939 	struct gotweb_url	 patch_url, tree_url = {
940 		.action = TREE,
941 		.index_page = -1,
942 		.path = qs->path,
943 		.commit = rc->commit_id,
944 	};
945 
946 	memcpy(&patch_url, &tree_url, sizeof(patch_url));
947 	patch_url.action = PATCH;
948 !}
949 <header class="subtitle">
950   <h2>Commit Diff</h2>
951 </header>
952 <div id="diff_content">
953   <div class="page_header_wrapper">
954     <dl>
955       <dt>Commit:</dt>
956       <dd><code class="commit-id">{{ rc->commit_id }}</code></dd>
957       <dt>From:</dt>
958       <dd>{{ rc->author }}</dd>
959       {{ if strcmp(rc->committer, rc->author) != 0 }}
960         <dt>Via:</dt>
961         <dd>{{ rc->committer }}</dd>
962       {{ end }}
963       <dt>Date:</dt>
964       <dd>
965         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
966       </dd>
967       <dt>Message:</dt>
968       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
969       <dt>Actions:</dt>
970       <dd>
971         <a href="{{ render gotweb_render_url(c, &patch_url) }}">
972           Patch
973         </a>
974         {{" | "}}
975         <a href="{{ render gotweb_render_url(c, &tree_url) }}">
976           Tree
977         </a>
978       </dd>
979     </dl>
980   </div>
981   <hr />
982   <pre id="diff">
983     {{ while (linelen = getline(&line, &linesize, fp)) != -1 }}
984       {{ render diff_line(tp, line) }}
985     {{ end }}
986   </pre>
987 </div>
988 {{ finally }}
989 {! free(line); !}
990 {{ end }}
991 
992 {{ define diff_line(struct template *tp, char *line )}}
993 {!
994 	const char		*color = NULL;
995 	char			*nl;
996 
997 	if (!strncmp(line, "-", 1))
998 		color = "diff_minus";
999 	else if (!strncmp(line, "+", 1))
1000 		color = "diff_plus";
1001 	else if (!strncmp(line, "@@", 2))
1002 		color = "diff_chunk_header";
1003 	else if (!strncmp(line, "commit +", 8) ||
1004 	    !strncmp(line, "commit -", 8) ||
1005 	    !strncmp(line, "blob +", 6) ||
1006 	    !strncmp(line, "blob -", 6) ||
1007 	    !strncmp(line, "file +", 6) ||
1008 	    !strncmp(line, "file -", 6))
1009 		color = "diff_meta";
1010 	else if (!strncmp(line, "from:", 5) || !strncmp(line, "via:", 4))
1011 		color = "diff_author";
1012 	else if (!strncmp(line, "date:", 5))
1013 		color = "diff_date";
1014 
1015 	nl = strchr(line, '\n');
1016 	if (nl)
1017 		*nl = '\0';
1018 !}
1019 <span class="diff_line {{ color }}">{{ line }}</span>{{"\n"}}
1020 {{ end }}
1021 
1022 {{ define gotweb_render_branches(struct template *tp,
1023     struct got_reflist_head *refs) }}
1024 {!
1025 	struct got_reflist_entry	*re;
1026 !}
1027 <header class='subtitle'>
1028   <h2>Branches</h2>
1029 </header>
1030 <div id="branches_content">
1031   {{ tailq-foreach re refs entry }}
1032     {{ if !got_ref_is_symbolic(re->ref) }}
1033       {{ render branch(tp, re) }}
1034     {{ end }}
1035   {{ end }}
1036 </div>
1037 {{ end }}
1038 
1039 {{ define branch(struct template *tp, struct got_reflist_entry *re) }}
1040 {!
1041 	const struct got_error	*err;
1042 	struct request		*c = tp->tp_arg;
1043 	struct querystring	*qs = c->t->qs;
1044 	const char		*refname;
1045 	time_t			 age;
1046 	struct gotweb_url	 url = {
1047 		.action = SUMMARY,
1048 		.index_page = -1,
1049 		.path = qs->path,
1050 	};
1051 
1052 	refname = got_ref_get_name(re->ref);
1053 
1054 	err = got_get_repo_age(&age, c, refname);
1055 	if (err) {
1056 		log_warnx("%s: %s", __func__, err->msg);
1057 		return -1;
1058 	}
1059 
1060 	if (strncmp(refname, "refs/heads/", 11) == 0)
1061 		refname += 11;
1062 
1063 	url.headref = refname;
1064 !}
1065 <section class="branches_wrapper">
1066   <div class="branches_age">
1067     {{ render datetime(tp, age, TM_DIFF) }}
1068   </div>
1069   <div class="branch">
1070     <a href="{{ render gotweb_render_url(c, &url) }}">{{ refname }}</a>
1071   </div>
1072   <div class="navs_wrapper">
1073     <div class="navs">
1074       <a href="{{ render gotweb_render_url(c, &url) }}">summary</a>
1075       {{" | "}}
1076       {! url.action = BRIEFS; !}
1077       <a href="{{ render gotweb_render_url(c, &url) }}">commit briefs</a>
1078       {{" | "}}
1079       {! url.action = COMMITS; !}
1080       <a href="{{ render gotweb_render_url(c, &url) }}">commits</a>
1081     </div>
1082   </div>
1083   <hr />
1084 </section>
1085 {{ end }}
1086 
1087 {{ define gotweb_render_summary(struct template *tp) }}
1088 {!
1089 	struct request		*c = tp->tp_arg;
1090 	struct server		*srv = c->srv;
1091 	struct transport	*t = c->t;
1092 	struct got_reflist_head	*refs = &t->refs;
1093 !}
1094 <dl id="summary_wrapper" class="page_header_wrapper">
1095   {{ if srv->show_repo_description }}
1096     <dt>Description:</dt>
1097     <dd>{{ t->repo_dir->description }}</dd>
1098   {{ end }}
1099   {{ if srv->show_repo_owner }}
1100     <dt>Owner:</dt>
1101     <dd>{{ t->repo_dir->owner }}</dd>
1102   {{ end }}
1103   {{ if srv->show_repo_age }}
1104     <dt>Last Change:</dt>
1105     <dd>
1106       {{ render datetime(tp, t->repo_dir->age, TM_DIFF) }}
1107     </dd>
1108   {{ end }}
1109   {{ if srv->show_repo_cloneurl }}
1110     <dt>Clone URL:</dt>
1111     <dd><pre class="clone-url">{{ t->repo_dir->url }}</pre></dd>
1112   {{ end }}
1113 </dl>
1114 {{ render gotweb_render_briefs(tp) }}
1115 {{ render gotweb_render_branches(tp, refs) }}
1116 {{ render gotweb_render_tags(tp) }}
1117 <header class='subtitle'>
1118   <h2>Tree</h2>
1119 </header>
1120 <div id="tree_content">
1121   {{ render tree_listing(tp) }}
1122 </div>
1123 {{ end }}
1124 
1125 {{ define gotweb_render_blame(struct template *tp) }}
1126 {!
1127 	const struct got_error	*err;
1128 	struct request		*c = tp->tp_arg;
1129 	struct transport	*t = c->t;
1130 	struct querystring	*qs = t->qs;
1131 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
1132 	struct gotweb_url	 briefs_url, blob_url, raw_url;
1133 
1134 	memset(&briefs_url, 0, sizeof(briefs_url));
1135 	briefs_url.index_page = -1,
1136 	briefs_url.action = BRIEFS,
1137 	briefs_url.path = qs->path,
1138 	briefs_url.commit = qs->commit,
1139 	briefs_url.folder = qs->folder,
1140 	briefs_url.file = qs->file,
1141 
1142 	memcpy(&blob_url, &briefs_url, sizeof(blob_url));
1143 	blob_url.action = BLOB;
1144 
1145 	memcpy(&raw_url, &briefs_url, sizeof(raw_url));
1146 	raw_url.action = BLOBRAW;
1147 !}
1148 <header class="subtitle">
1149   <h2>Blame</h2>
1150 </header>
1151 <div id="blame_content">
1152   <div class="page_header_wrapper">
1153     <dl>
1154       <dt>Date:</dt>
1155       <dd>
1156         {{ render datetime(tp, rc->committer_time, TM_LONG) }}
1157       </dd>
1158       <dt>Message:</dt>
1159       <dd class="commit-msg">{{ rc->commit_msg }}</dd>
1160       <dt>Actions:</dt>
1161       <dd>
1162         <a href="{{ render gotweb_render_url(c, &briefs_url) }}">
1163           History
1164         </a>
1165         {{" | "}}
1166         <a href="{{ render gotweb_render_url(c, &blob_url) }}">
1167           Blob
1168         </a>
1169         {{" | "}}
1170         <a href="{{ render gotweb_render_url(c, &raw_url) }}">
1171           Raw File
1172         </a>
1173       </dd>
1174     </dl>
1175   </div>
1176   <hr />
1177   <pre id="blame">
1178     {!
1179 	err = got_output_file_blame(c, &blame_line);
1180 	if (err && err->code != GOT_ERR_CANCELLED)
1181 		log_warnx("%s: got_output_file_blame: %s", __func__,
1182 		    err->msg);
1183 	if (err)
1184 		return (-1);
1185     !}
1186   </pre>
1187 </div>
1188 {{ end }}
1189 
1190 {{ define blame_line(struct template *tp, const char *line,
1191     struct blame_line *bline, int lprec, int lcur) }}
1192 {!
1193 	struct request		*c = tp->tp_arg;
1194 	struct transport	*t = c->t;
1195 	struct repo_dir		*repo_dir = t->repo_dir;
1196 	char			*committer, *s;
1197 	struct gotweb_url	 url = {
1198 		.action = DIFF,
1199 		.index_page = -1,
1200 		.path = repo_dir->name,
1201 		.commit = bline->id_str,
1202 	};
1203 
1204 	s = strchr(bline->committer, '<');
1205 	committer = s ? s + 1 : bline->committer;
1206 
1207 	s = strchr(committer, '@');
1208 	if (s)
1209 		*s = '\0';
1210 !}
1211 <div class="blame_line">
1212   <span class="blame_number">{{ printf "%*d ", lprec, lcur }}</span>
1213   <span class="blame_hash">
1214     <a href="{{ render gotweb_render_url(c, &url) }}">
1215       {{ printf "%.8s", bline->id_str }}
1216     </a>
1217   </span>
1218   {{" "}}
1219   <span class="blame_date">{{ bline->datebuf }}</span>
1220   {{" "}}
1221   <span class="blame_author">{{ printf "%.9s", committer }}</span>
1222   {{" "}}
1223   <span class="blame_code">{{ line }}</span>
1224 </div>
1225 {{ end }}
1226 
1227 {{ define gotweb_render_patch(struct template *tp) }}
1228 {!
1229 	struct request		*c = tp->tp_arg;
1230 	struct transport	*t = c->t;
1231 	struct repo_commit	*rc = TAILQ_FIRST(&t->repo_commits);
1232 	struct tm		 tm;
1233 	char			 buf[BUFSIZ], datebuf[64];
1234 	size_t			 r;
1235 
1236 	if (gmtime_r(&rc->committer_time, &tm) == NULL ||
1237 	    strftime(datebuf, sizeof(datebuf), "%a %b %d %T %Y UTC", &tm) == 0)
1238 		return (-1);
1239 !}
1240 commit {{ rc->commit_id }} {{ "\n" }}
1241 from: {{ rc->author | unsafe }} {{ "\n" }}
1242 {{ if strcmp(rc->committer, rc->author) != 0 }}
1243 via: {{ rc->committer | unsafe }} {{ "\n" }}
1244 {{ end }}
1245 date: {{ datebuf }} {{ "\n" }}
1246 {{ "\n" }}
1247 {{ rc->commit_msg | unsafe }} {{ "\n" }}
1248 {!
1249 	if (template_flush(tp) == -1)
1250 		return (-1);
1251 	for (;;) {
1252 		r = fread(buf, 1, sizeof(buf), t->fp);
1253 		if (fcgi_write(c, buf, r) == -1 ||
1254 		    r != sizeof(buf))
1255 			break;
1256 	}
1257 !}
1258 {{ end }}
1259 
1260 {{ define gotweb_render_rss(struct template *tp) }}
1261 {!
1262 	struct request		*c = tp->tp_arg;
1263 	struct server		*srv = c->srv;
1264 	struct transport	*t = c->t;
1265 	struct repo_dir		*repo_dir = t->repo_dir;
1266 	struct repo_tag		*rt;
1267 	struct gotweb_url	 summary = {
1268 		.action = SUMMARY,
1269 		.index_page = -1,
1270 		.path = repo_dir->name,
1271 	};
1272 !}
1273 <?xml version="1.0" encoding="UTF-8"?>
1274 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
1275   <channel>
1276     <title>Tags of {{ repo_dir->name }}</title>
1277     <link>
1278       <![CDATA[
1279         {{ render gotweb_render_absolute_url(c, &summary) }}
1280       ]]>
1281     </link>
1282     {{ if srv->show_repo_description }}
1283       <description>{{ repo_dir->description }}</description>
1284     {{ end }}
1285     {{ tailq-foreach rt &t->repo_tags entry }}
1286       {{ render rss_tag_item(tp, rt) }}
1287     {{ end }}
1288   </channel>
1289 </rss>
1290 {{ end }}
1291 
1292 {{ define rss_tag_item(struct template *tp, struct repo_tag *rt) }}
1293 {!
1294 	struct request		*c = tp->tp_arg;
1295 	struct transport	*t = c->t;
1296 	struct repo_dir		*repo_dir = t->repo_dir;
1297 	struct tm		 tm;
1298 	char			 rfc822[128];
1299 	int			 r;
1300 	char			*tag_name = rt->tag_name;
1301 	struct gotweb_url	 tag = {
1302 		.action = TAG,
1303 		.index_page = -1,
1304 		.path = repo_dir->name,
1305 		.commit = rt->commit_id,
1306 	};
1307 
1308 	if (strncmp(tag_name, "refs/tags/", 10) == 0)
1309 		tag_name += 10;
1310 
1311 	if (gmtime_r(&rt->tagger_time, &tm) == NULL)
1312 		return -1;
1313 	r = strftime(rfc822, sizeof(rfc822), "%a, %d %b %Y %H:%M:%S GMT", &tm);
1314 	if (r == 0)
1315 		return 0;
1316 !}
1317 <item>
1318   <title>{{ repo_dir->name }} {{" "}} {{ tag_name }}</title>
1319   <link>
1320     <![CDATA[
1321       {{ render gotweb_render_absolute_url(c, &tag) }}
1322     ]]>
1323   </link>
1324   <description>
1325     <![CDATA[<pre>{{ rt->tag_commit }}</pre>]]>
1326   </description>
1327   {{ render rss_author(tp, rt->tagger) }}
1328   <guid isPermaLink="false">{{ rt->commit_id }}</guid>
1329   <pubDate>
1330     {{ rfc822 }}
1331   </pubDate>
1332 </item>
1333 {{ end }}
1334 
1335 {{ define rss_author(struct template *tp, char *author) }}
1336 {!
1337 	char	*t, *mail;
1338 
1339 	/* what to do if the author name contains a paren? */
1340 	if (strchr(author, '(') != NULL || strchr(author, ')') != NULL)
1341 		return 0;
1342 
1343 	t = strchr(author, '<');
1344 	if (t == NULL)
1345 		return 0;
1346 	*t = '\0';
1347 	mail = t+1;
1348 
1349 	while (isspace((unsigned char)*--t))
1350 		*t = '\0';
1351 
1352 	t = strchr(mail, '>');
1353 	if (t == NULL)
1354 		return 0;
1355 	*t = '\0';
1356 !}
1357 <author>
1358   {{ mail }} {{" "}} ({{ author }})
1359 </author>
1360 {{ end }}