ui-shared.c (view raw)
1/* ui-shared.c: common web output functions
2 *
3 * Copyright (C) 2006-2017 cgit Development Team <cgit@lists.zx2c4.com>
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
9#include "cgit.h"
10#include "ui-shared.h"
11#include "cmd.h"
12#include "html.h"
13#include "version.h"
14
15static const char cgit_doctype[] =
16"<!DOCTYPE html>\n";
17
18static char *http_date(time_t t)
19{
20 static char day[][4] =
21 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
22 static char month[][4] =
23 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
24 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
25 struct tm tm;
26 gmtime_r(&t, &tm);
27 return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm.tm_wday],
28 tm.tm_mday, month[tm.tm_mon], 1900 + tm.tm_year,
29 tm.tm_hour, tm.tm_min, tm.tm_sec);
30}
31
32void cgit_print_error(const char *fmt, ...)
33{
34 va_list ap;
35 va_start(ap, fmt);
36 cgit_vprint_error(fmt, ap);
37 va_end(ap);
38}
39
40void cgit_vprint_error(const char *fmt, va_list ap)
41{
42 va_list cp;
43 html("<div class='error'>");
44 va_copy(cp, ap);
45 html_vtxtf(fmt, cp);
46 va_end(cp);
47 html("</div>\n");
48}
49
50const char *cgit_httpscheme(void)
51{
52 if (ctx.env.https && !strcmp(ctx.env.https, "on"))
53 return "https://";
54 else
55 return "http://";
56}
57
58char *cgit_hosturl(void)
59{
60 if (ctx.env.http_host)
61 return xstrdup(ctx.env.http_host);
62 if (!ctx.env.server_name)
63 return NULL;
64 if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
65 return xstrdup(ctx.env.server_name);
66 return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port);
67}
68
69char *cgit_currenturl(void)
70{
71 const char *root = cgit_rooturl();
72
73 if (!ctx.qry.url)
74 return xstrdup(root);
75 if (root[0] && root[strlen(root) - 1] == '/')
76 return fmtalloc("%s%s", root, ctx.qry.url);
77 return fmtalloc("%s/%s", root, ctx.qry.url);
78}
79
80char *cgit_currentfullurl(void)
81{
82 const char *root = cgit_rooturl();
83 const char *orig_query = ctx.env.query_string ? ctx.env.query_string : "";
84 size_t len = strlen(orig_query);
85 char *query = xmalloc(len + 2), *start_url, *ret;
86
87 /* Remove all url=... parts from query string */
88 memcpy(query + 1, orig_query, len + 1);
89 query[0] = '?';
90 start_url = query;
91 while ((start_url = strstr(start_url, "url=")) != NULL) {
92 if (start_url[-1] == '?' || start_url[-1] == '&') {
93 const char *end_url = strchr(start_url, '&');
94 if (end_url)
95 memmove(start_url, end_url + 1, strlen(end_url));
96 else
97 start_url[0] = '\0';
98 } else
99 ++start_url;
100 }
101 if (!query[1])
102 query[0] = '\0';
103
104 if (!ctx.qry.url)
105 ret = fmtalloc("%s%s", root, query);
106 else if (root[0] && root[strlen(root) - 1] == '/')
107 ret = fmtalloc("%s%s%s", root, ctx.qry.url, query);
108 else
109 ret = fmtalloc("%s/%s%s", root, ctx.qry.url, query);
110 free(query);
111 return ret;
112}
113
114const char *cgit_rooturl(void)
115{
116 if (ctx.cfg.virtual_root)
117 return ctx.cfg.virtual_root;
118 else
119 return ctx.cfg.script_name;
120}
121
122const char *cgit_loginurl(void)
123{
124 static const char *login_url;
125 if (!login_url)
126 login_url = fmtalloc("%s?p=login", cgit_rooturl());
127 return login_url;
128}
129
130char *cgit_repourl(const char *reponame)
131{
132 if (ctx.cfg.virtual_root)
133 return fmtalloc("%s%s/", ctx.cfg.virtual_root, reponame);
134 else
135 return fmtalloc("?r=%s", reponame);
136}
137
138char *cgit_fileurl(const char *reponame, const char *pagename,
139 const char *filename, const char *query)
140{
141 struct strbuf sb = STRBUF_INIT;
142 char *delim;
143
144 if (ctx.cfg.virtual_root) {
145 strbuf_addf(&sb, "%s%s/%s/%s", ctx.cfg.virtual_root, reponame,
146 pagename, (filename ? filename:""));
147 delim = "?";
148 } else {
149 strbuf_addf(&sb, "?url=%s/%s/%s", reponame, pagename,
150 (filename ? filename : ""));
151 delim = "&";
152 }
153 if (query)
154 strbuf_addf(&sb, "%s%s", delim, query);
155 return strbuf_detach(&sb, NULL);
156}
157
158char *cgit_pageurl(const char *reponame, const char *pagename,
159 const char *query)
160{
161 return cgit_fileurl(reponame, pagename, NULL, query);
162}
163
164const char *cgit_repobasename(const char *reponame)
165{
166 /* I assume we don't need to store more than one repo basename */
167 static char rvbuf[1024];
168 int p;
169 const char *rv;
170 size_t len;
171
172 len = strlcpy(rvbuf, reponame, sizeof(rvbuf));
173 if (len >= sizeof(rvbuf))
174 die("cgit_repobasename: truncated repository name '%s'", reponame);
175 p = len - 1;
176 /* strip trailing slashes */
177 while (p && rvbuf[p] == '/')
178 rvbuf[p--] = '\0';
179 /* strip trailing .git */
180 if (p >= 3 && starts_with(&rvbuf[p-3], ".git")) {
181 p -= 3;
182 rvbuf[p--] = '\0';
183 }
184 /* strip more trailing slashes if any */
185 while (p && rvbuf[p] == '/')
186 rvbuf[p--] = '\0';
187 /* find last slash in the remaining string */
188 rv = strrchr(rvbuf, '/');
189 if (rv)
190 return ++rv;
191 return rvbuf;
192}
193
194const char *cgit_snapshot_prefix(const struct cgit_repo *repo)
195{
196 if (repo->snapshot_prefix)
197 return repo->snapshot_prefix;
198
199 return cgit_repobasename(repo->url);
200}
201
202static void site_url(const char *page, const char *search, const char *sort, int ofs, int always_root)
203{
204 char *delim = "?";
205
206 if (always_root || page)
207 html_attr(cgit_rooturl());
208 else {
209 char *currenturl = cgit_currenturl();
210 html_attr(currenturl);
211 free(currenturl);
212 }
213
214 if (page) {
215 htmlf("?p=%s", page);
216 delim = "&";
217 }
218 if (search) {
219 html(delim);
220 html("q=");
221 html_attr(search);
222 delim = "&";
223 }
224 if (sort) {
225 html(delim);
226 html("s=");
227 html_attr(sort);
228 delim = "&";
229 }
230 if (ofs) {
231 html(delim);
232 htmlf("ofs=%d", ofs);
233 }
234}
235
236static void site_link(const char *page, const char *name, const char *title,
237 const char *class, const char *search, const char *sort, int ofs, int always_root)
238{
239 html("<a");
240 if (title) {
241 html(" title='");
242 html_attr(title);
243 html("'");
244 }
245 if (class) {
246 html(" class='");
247 html_attr(class);
248 html("'");
249 }
250 html(" href='");
251 site_url(page, search, sort, ofs, always_root);
252 html("'>");
253 html_txt(name);
254 html("</a>");
255}
256
257void cgit_index_link(const char *name, const char *title, const char *class,
258 const char *pattern, const char *sort, int ofs, int always_root)
259{
260 site_link(NULL, name, title, class, pattern, sort, ofs, always_root);
261}
262
263static char *repolink(const char *title, const char *class, const char *page,
264 const char *head, const char *path)
265{
266 char *delim = "?";
267
268 html("<a");
269 if (title) {
270 html(" title='");
271 html_attr(title);
272 html("'");
273 }
274 if (class) {
275 html(" class='");
276 html_attr(class);
277 html("'");
278 }
279 html(" href='");
280 if (ctx.cfg.virtual_root) {
281 html_url_path(ctx.cfg.virtual_root);
282 html_url_path(ctx.repo->url);
283 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
284 html("/");
285 if (page) {
286 html_url_path(page);
287 html("/");
288 if (path)
289 html_url_path(path);
290 }
291 } else {
292 html_url_path(ctx.cfg.script_name);
293 html("?url=");
294 html_url_arg(ctx.repo->url);
295 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
296 html("/");
297 if (page) {
298 html_url_arg(page);
299 html("/");
300 if (path)
301 html_url_arg(path);
302 }
303 delim = "&";
304 }
305 if (head && ctx.repo->defbranch && strcmp(head, ctx.repo->defbranch)) {
306 html(delim);
307 html("h=");
308 html_url_arg(head);
309 delim = "&";
310 }
311 return fmt("%s", delim);
312}
313
314static void reporevlink(const char *page, const char *name, const char *title,
315 const char *class, const char *head, const char *rev,
316 const char *path)
317{
318 char *delim;
319
320 delim = repolink(title, class, page, head, path);
321 if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
322 html(delim);
323 html("id=");
324 html_url_arg(rev);
325 }
326 html("'>");
327 html_txt(name);
328 html("</a>");
329}
330
331void cgit_summary_link(const char *name, const char *title, const char *class,
332 const char *head)
333{
334 reporevlink(NULL, name, title, class, head, NULL, NULL);
335}
336
337void cgit_tag_link(const char *name, const char *title, const char *class,
338 const char *tag)
339{
340 reporevlink("tag", name, title, class, tag, NULL, NULL);
341}
342
343void cgit_tree_link(const char *name, const char *title, const char *class,
344 const char *head, const char *rev, const char *path)
345{
346 reporevlink("tree", name, title, class, head, rev, path);
347}
348
349void cgit_plain_link(const char *name, const char *title, const char *class,
350 const char *head, const char *rev, const char *path)
351{
352 reporevlink("plain", name, title, class, head, rev, path);
353}
354
355void cgit_blame_link(const char *name, const char *title, const char *class,
356 const char *head, const char *rev, const char *path)
357{
358 reporevlink("blame", name, title, class, head, rev, path);
359}
360
361void cgit_log_link(const char *name, const char *title, const char *class,
362 const char *head, const char *rev, const char *path,
363 int ofs, const char *grep, const char *pattern, int showmsg,
364 int follow)
365{
366 char *delim;
367
368 delim = repolink(title, class, "log", head, path);
369 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
370 html(delim);
371 html("id=");
372 html_url_arg(rev);
373 delim = "&";
374 }
375 if (grep && pattern) {
376 html(delim);
377 html("qt=");
378 html_url_arg(grep);
379 delim = "&";
380 html(delim);
381 html("q=");
382 html_url_arg(pattern);
383 }
384 if (ofs > 0) {
385 html(delim);
386 html("ofs=");
387 htmlf("%d", ofs);
388 delim = "&";
389 }
390 if (showmsg) {
391 html(delim);
392 html("showmsg=1");
393 delim = "&";
394 }
395 if (follow) {
396 html(delim);
397 html("follow=1");
398 }
399 html("'>");
400 html_txt(name);
401 html("</a>");
402}
403
404void cgit_commit_link(const char *name, const char *title, const char *class,
405 const char *head, const char *rev, const char *path)
406{
407 char *delim;
408
409 delim = repolink(title, class, "commit", head, path);
410 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
411 html(delim);
412 html("id=");
413 html_url_arg(rev);
414 delim = "&";
415 }
416 if (ctx.qry.difftype) {
417 html(delim);
418 htmlf("dt=%d", ctx.qry.difftype);
419 delim = "&";
420 }
421 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
422 html(delim);
423 html("context=");
424 htmlf("%d", ctx.qry.context);
425 delim = "&";
426 }
427 if (ctx.qry.ignorews) {
428 html(delim);
429 html("ignorews=1");
430 delim = "&";
431 }
432 if (ctx.qry.follow) {
433 html(delim);
434 html("follow=1");
435 }
436 html("'>");
437 if (name[0] != '\0') {
438 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
439 html_ntxt(name, ctx.cfg.max_msg_len - 3);
440 html("...");
441 } else
442 html_txt(name);
443 } else
444 html_txt("(no commit message)");
445 html("</a>");
446}
447
448void cgit_refs_link(const char *name, const char *title, const char *class,
449 const char *head, const char *rev, const char *path)
450{
451 reporevlink("refs", name, title, class, head, rev, path);
452}
453
454void cgit_snapshot_link(const char *name, const char *title, const char *class,
455 const char *head, const char *rev,
456 const char *archivename)
457{
458 reporevlink("snapshot", name, title, class, head, rev, archivename);
459}
460
461void cgit_diff_link(const char *name, const char *title, const char *class,
462 const char *head, const char *new_rev, const char *old_rev,
463 const char *path)
464{
465 char *delim;
466
467 delim = repolink(title, class, "diff", head, path);
468 if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
469 html(delim);
470 html("id=");
471 html_url_arg(new_rev);
472 delim = "&";
473 }
474 if (old_rev) {
475 html(delim);
476 html("id2=");
477 html_url_arg(old_rev);
478 delim = "&";
479 }
480 if (ctx.qry.difftype) {
481 html(delim);
482 htmlf("dt=%d", ctx.qry.difftype);
483 delim = "&";
484 }
485 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
486 html(delim);
487 html("context=");
488 htmlf("%d", ctx.qry.context);
489 delim = "&";
490 }
491 if (ctx.qry.ignorews) {
492 html(delim);
493 html("ignorews=1");
494 delim = "&";
495 }
496 if (ctx.qry.follow) {
497 html(delim);
498 html("follow=1");
499 }
500 html("'>");
501 html_txt(name);
502 html("</a>");
503}
504
505void cgit_patch_link(const char *name, const char *title, const char *class,
506 const char *head, const char *rev, const char *path)
507{
508 reporevlink("patch", name, title, class, head, rev, path);
509}
510
511void cgit_stats_link(const char *name, const char *title, const char *class,
512 const char *head, const char *path)
513{
514 reporevlink("stats", name, title, class, head, NULL, path);
515}
516
517static void cgit_self_link(char *name, const char *title, const char *class)
518{
519 if (!strcmp(ctx.qry.page, "repolist"))
520 cgit_index_link(name, title, class, ctx.qry.search, ctx.qry.sort,
521 ctx.qry.ofs, 1);
522 else if (!strcmp(ctx.qry.page, "summary"))
523 cgit_summary_link(name, title, class, ctx.qry.head);
524 else if (!strcmp(ctx.qry.page, "tag"))
525 cgit_tag_link(name, title, class, ctx.qry.has_oid ?
526 ctx.qry.oid : ctx.qry.head);
527 else if (!strcmp(ctx.qry.page, "tree"))
528 cgit_tree_link(name, title, class, ctx.qry.head,
529 ctx.qry.has_oid ? ctx.qry.oid : NULL,
530 ctx.qry.path);
531 else if (!strcmp(ctx.qry.page, "plain"))
532 cgit_plain_link(name, title, class, ctx.qry.head,
533 ctx.qry.has_oid ? ctx.qry.oid : NULL,
534 ctx.qry.path);
535 else if (!strcmp(ctx.qry.page, "blame"))
536 cgit_blame_link(name, title, class, ctx.qry.head,
537 ctx.qry.has_oid ? ctx.qry.oid : NULL,
538 ctx.qry.path);
539 else if (!strcmp(ctx.qry.page, "log"))
540 cgit_log_link(name, title, class, ctx.qry.head,
541 ctx.qry.has_oid ? ctx.qry.oid : NULL,
542 ctx.qry.path, ctx.qry.ofs,
543 ctx.qry.grep, ctx.qry.search,
544 ctx.qry.showmsg, ctx.qry.follow);
545 else if (!strcmp(ctx.qry.page, "commit"))
546 cgit_commit_link(name, title, class, ctx.qry.head,
547 ctx.qry.has_oid ? ctx.qry.oid : NULL,
548 ctx.qry.path);
549 else if (!strcmp(ctx.qry.page, "patch"))
550 cgit_patch_link(name, title, class, ctx.qry.head,
551 ctx.qry.has_oid ? ctx.qry.oid : NULL,
552 ctx.qry.path);
553 else if (!strcmp(ctx.qry.page, "refs"))
554 cgit_refs_link(name, title, class, ctx.qry.head,
555 ctx.qry.has_oid ? ctx.qry.oid : NULL,
556 ctx.qry.path);
557 else if (!strcmp(ctx.qry.page, "snapshot"))
558 cgit_snapshot_link(name, title, class, ctx.qry.head,
559 ctx.qry.has_oid ? ctx.qry.oid : NULL,
560 ctx.qry.path);
561 else if (!strcmp(ctx.qry.page, "diff"))
562 cgit_diff_link(name, title, class, ctx.qry.head,
563 ctx.qry.oid, ctx.qry.oid2,
564 ctx.qry.path);
565 else if (!strcmp(ctx.qry.page, "stats"))
566 cgit_stats_link(name, title, class, ctx.qry.head,
567 ctx.qry.path);
568 else {
569 /* Don't known how to make link for this page */
570 repolink(title, class, ctx.qry.page, ctx.qry.head, ctx.qry.path);
571 html("><!-- cgit_self_link() doesn't know how to make link for page '");
572 html_txt(ctx.qry.page);
573 html("' -->");
574 html_txt(name);
575 html("</a>");
576 }
577}
578
579void cgit_object_link(struct object *obj)
580{
581 char *page, *shortrev, *fullrev, *name;
582
583 fullrev = oid_to_hex(&obj->oid);
584 shortrev = xstrdup(fullrev);
585 shortrev[10] = '\0';
586 if (obj->type == OBJ_COMMIT) {
587 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
588 ctx.qry.head, fullrev, NULL);
589 return;
590 } else if (obj->type == OBJ_TREE)
591 page = "tree";
592 else if (obj->type == OBJ_TAG)
593 page = "tag";
594 else
595 page = "blob";
596 name = fmt("%s %s...", type_name(obj->type), shortrev);
597 reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
598}
599
600static struct string_list_item *lookup_path(struct string_list *list,
601 const char *path)
602{
603 struct string_list_item *item;
604
605 while (path && path[0]) {
606 if ((item = string_list_lookup(list, path)))
607 return item;
608 if (!(path = strchr(path, '/')))
609 break;
610 path++;
611 }
612 return NULL;
613}
614
615void cgit_submodule_link(const char *class, char *path, const char *rev)
616{
617 struct string_list *list;
618 struct string_list_item *item;
619 char tail, *dir;
620 size_t len;
621
622 len = 0;
623 tail = 0;
624 list = &ctx.repo->submodules;
625 item = lookup_path(list, path);
626 if (!item) {
627 len = strlen(path);
628 tail = path[len - 1];
629 if (tail == '/') {
630 path[len - 1] = 0;
631 item = lookup_path(list, path);
632 }
633 }
634 if (item || ctx.repo->module_link) {
635 html("<a ");
636 if (class)
637 htmlf("class='%s' ", class);
638 html("href='");
639 if (item) {
640 html_attrf(item->util, rev);
641 } else {
642 dir = strrchr(path, '/');
643 if (dir)
644 dir++;
645 else
646 dir = path;
647 html_attrf(ctx.repo->module_link, dir, rev);
648 }
649 html("'>");
650 html_txt(path);
651 html("</a>");
652 } else {
653 html("<span");
654 if (class)
655 htmlf(" class='%s'", class);
656 html(">");
657 html_txt(path);
658 html("</span>");
659 }
660 html_txtf(" @ %.7s", rev);
661 if (item && tail)
662 path[len - 1] = tail;
663}
664
665const struct date_mode *cgit_date_mode(enum date_mode_type type)
666{
667 static struct date_mode mode;
668 mode.type = type;
669 mode.local = ctx.cfg.local_time;
670 return &mode;
671}
672
673static void print_rel_date(time_t t, int tz, double value,
674 const char *class, const char *suffix)
675{
676 htmlf("<span class='%s' title='", class);
677 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
678 htmlf("'>%.0f %s</span>", value, suffix);
679}
680
681void cgit_print_age(time_t t, int tz, time_t max_relative)
682{
683 time_t now, secs;
684
685 if (!t)
686 return;
687 time(&now);
688 secs = now - t;
689 if (secs < 0)
690 secs = 0;
691
692 if (secs > max_relative && max_relative >= 0) {
693 html("<span title='");
694 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
695 html("'>");
696 html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));
697 html("</span>");
698 return;
699 }
700
701 if (secs < TM_HOUR * 2) {
702 print_rel_date(t, tz, secs * 1.0 / TM_MIN, "age-mins", "min.");
703 return;
704 }
705 if (secs < TM_DAY * 2) {
706 print_rel_date(t, tz, secs * 1.0 / TM_HOUR, "age-hours", "hours");
707 return;
708 }
709 if (secs < TM_WEEK * 2) {
710 print_rel_date(t, tz, secs * 1.0 / TM_DAY, "age-days", "days");
711 return;
712 }
713 if (secs < TM_MONTH * 2) {
714 print_rel_date(t, tz, secs * 1.0 / TM_WEEK, "age-weeks", "weeks");
715 return;
716 }
717 if (secs < TM_YEAR * 2) {
718 print_rel_date(t, tz, secs * 1.0 / TM_MONTH, "age-months", "months");
719 return;
720 }
721 print_rel_date(t, tz, secs * 1.0 / TM_YEAR, "age-years", "years");
722}
723
724void cgit_print_http_headers(void)
725{
726 if (ctx.env.no_http && !strcmp(ctx.env.no_http, "1"))
727 return;
728
729 if (ctx.page.status)
730 htmlf("Status: %d %s\n", ctx.page.status, ctx.page.statusmsg);
731 if (ctx.page.mimetype && ctx.page.charset)
732 htmlf("Content-Type: %s; charset=%s\n", ctx.page.mimetype,
733 ctx.page.charset);
734 else if (ctx.page.mimetype)
735 htmlf("Content-Type: %s\n", ctx.page.mimetype);
736 if (ctx.page.size)
737 htmlf("Content-Length: %zd\n", ctx.page.size);
738 if (ctx.page.filename) {
739 html("Content-Disposition: inline; filename=\"");
740 html_header_arg_in_quotes(ctx.page.filename);
741 html("\"\n");
742 }
743 if (!ctx.env.authenticated)
744 html("Cache-Control: no-cache, no-store\n");
745 htmlf("Last-Modified: %s\n", http_date(ctx.page.modified));
746 htmlf("Expires: %s\n", http_date(ctx.page.expires));
747 if (ctx.page.etag)
748 htmlf("ETag: \"%s\"\n", ctx.page.etag);
749 html("\n");
750 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
751 exit(0);
752}
753
754void cgit_redirect(const char *url, bool permanent)
755{
756 htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
757 html("Location: ");
758 html_url_path(url);
759 html("\n\n");
760}
761
762static void print_rel_vcs_link(const char *url)
763{
764 html("<link rel='vcs-git' href='");
765 html_attr(url);
766 html("' title='");
767 html_attr(ctx.repo->name);
768 html(" Git repository'/>\n");
769}
770
771void cgit_print_docstart(void)
772{
773 char *host = cgit_hosturl();
774
775 if (ctx.cfg.embedded) {
776 if (ctx.cfg.header)
777 html_include(ctx.cfg.header);
778 return;
779 }
780
781 html(cgit_doctype);
782 html("<html lang='en'>\n");
783 html("<head>\n");
784 html("<title>");
785 html_txt(ctx.page.title);
786 html("</title>\n");
787 html("<meta http-equiv=\"content-security-policy\" content=\"default-src 'self'\"/>");
788 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
789 if (ctx.cfg.robots && *ctx.cfg.robots)
790 htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
791 html("<link rel='stylesheet' type='text/css' href='");
792 html_attr(ctx.cfg.css);
793 html("'/>\n");
794 if (ctx.cfg.favicon) {
795 html("<link rel='shortcut icon' href='");
796 html_attr(ctx.cfg.favicon);
797 html("'/>\n");
798 }
799 if (host && ctx.repo && ctx.qry.head) {
800 char *fileurl;
801 struct strbuf sb = STRBUF_INIT;
802 strbuf_addf(&sb, "h=%s", ctx.qry.head);
803
804 html("<link rel='alternate' title='Atom feed' href='");
805 html(cgit_httpscheme());
806 html_attr(host);
807 fileurl = cgit_fileurl(ctx.repo->url, "atom", ctx.qry.vpath,
808 sb.buf);
809 html_attr(fileurl);
810 html("' type='application/atom+xml'/>\n");
811 strbuf_release(&sb);
812 free(fileurl);
813 }
814 if (ctx.repo)
815 cgit_add_clone_urls(print_rel_vcs_link);
816 if (ctx.cfg.head_include)
817 html_include(ctx.cfg.head_include);
818 if (ctx.repo && ctx.repo->extra_head_content)
819 html(ctx.repo->extra_head_content);
820 html("</head>\n");
821 html("<body>\n");
822 if (ctx.cfg.header)
823 html_include(ctx.cfg.header);
824 free(host);
825}
826
827void cgit_print_docend(void)
828{
829 html("</div> <!-- class=content -->\n");
830 if (ctx.cfg.embedded) {
831 html("</div> <!-- id=cgit -->\n");
832 if (ctx.cfg.footer)
833 html_include(ctx.cfg.footer);
834 return;
835 }
836 if (ctx.cfg.footer)
837 html_include(ctx.cfg.footer);
838 else {
839 htmlf("<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit %s</a> "
840 "(<a href='https://git-scm.com/'>git %s</a>) at ", cgit_version, git_version_string);
841 html_txt(show_date(time(NULL), 0, cgit_date_mode(DATE_ISO8601)));
842 html("</div>\n");
843 }
844 html("</div> <!-- id=cgit -->\n");
845 html("</body>\n</html>\n");
846}
847
848void cgit_print_error_page(int code, const char *msg, const char *fmt, ...)
849{
850 va_list ap;
851 ctx.page.expires = ctx.cfg.cache_dynamic_ttl;
852 ctx.page.status = code;
853 ctx.page.statusmsg = msg;
854 cgit_print_layout_start();
855 va_start(ap, fmt);
856 cgit_vprint_error(fmt, ap);
857 va_end(ap);
858 cgit_print_layout_end();
859}
860
861void cgit_print_layout_start(void)
862{
863 cgit_print_http_headers();
864 cgit_print_docstart();
865 cgit_print_pageheader();
866}
867
868void cgit_print_layout_end(void)
869{
870 cgit_print_docend();
871}
872
873static void add_clone_urls(void (*fn)(const char *), char *txt, char *suffix)
874{
875 struct strbuf **url_list = strbuf_split_str(txt, ' ', 0);
876 int i;
877
878 for (i = 0; url_list[i]; i++) {
879 strbuf_rtrim(url_list[i]);
880 if (url_list[i]->len == 0)
881 continue;
882 if (suffix && *suffix)
883 strbuf_addf(url_list[i], "/%s", suffix);
884 fn(url_list[i]->buf);
885 }
886
887 strbuf_list_free(url_list);
888}
889
890void cgit_add_clone_urls(void (*fn)(const char *))
891{
892 if (ctx.repo->clone_url)
893 add_clone_urls(fn, expand_macros(ctx.repo->clone_url), NULL);
894 else if (ctx.cfg.clone_prefix)
895 add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
896}
897
898static int print_branch_option(const char *refname, const struct object_id *oid,
899 int flags, void *cb_data)
900{
901 char *name = (char *)refname;
902 html_option(name, name, ctx.qry.head);
903 return 0;
904}
905
906void cgit_add_hidden_formfields(int incl_head, int incl_search,
907 const char *page)
908{
909 if (!ctx.cfg.virtual_root) {
910 struct strbuf url = STRBUF_INIT;
911
912 strbuf_addf(&url, "%s/%s", ctx.qry.repo, page);
913 if (ctx.qry.vpath)
914 strbuf_addf(&url, "/%s", ctx.qry.vpath);
915 html_hidden("url", url.buf);
916 strbuf_release(&url);
917 }
918
919 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
920 strcmp(ctx.qry.head, ctx.repo->defbranch))
921 html_hidden("h", ctx.qry.head);
922
923 if (ctx.qry.oid)
924 html_hidden("id", ctx.qry.oid);
925 if (ctx.qry.oid2)
926 html_hidden("id2", ctx.qry.oid2);
927 if (ctx.qry.showmsg)
928 html_hidden("showmsg", "1");
929
930 if (incl_search) {
931 if (ctx.qry.grep)
932 html_hidden("qt", ctx.qry.grep);
933 if (ctx.qry.search)
934 html_hidden("q", ctx.qry.search);
935 }
936}
937
938static const char *hc(const char *page)
939{
940 if (!ctx.qry.page)
941 return NULL;
942
943 return strcmp(ctx.qry.page, page) ? NULL : "active";
944}
945
946static void cgit_print_path_crumbs(char *path)
947{
948 char *old_path = ctx.qry.path;
949 char *p = path, *q, *end = path + strlen(path);
950 int levels = 0;
951
952 ctx.qry.path = NULL;
953 cgit_self_link("root", NULL, NULL);
954 ctx.qry.path = p = path;
955 while (p < end) {
956 if (!(q = strchr(p, '/')) || levels > 15)
957 q = end;
958 *q = '\0';
959 html_txt("/");
960 cgit_self_link(p, NULL, NULL);
961 if (q < end)
962 *q = '/';
963 p = q + 1;
964 ++levels;
965 }
966 ctx.qry.path = old_path;
967}
968
969static void print_header(void)
970{
971 char *logo = NULL, *logo_link = NULL;
972
973 html("<table id='header'>\n");
974 html("<tr>\n");
975
976 if (ctx.repo && ctx.repo->logo && *ctx.repo->logo)
977 logo = ctx.repo->logo;
978 else
979 logo = ctx.cfg.logo;
980 if (ctx.repo && ctx.repo->logo_link && *ctx.repo->logo_link)
981 logo_link = ctx.repo->logo_link;
982 else
983 logo_link = ctx.cfg.logo_link;
984 if (logo && *logo) {
985 html("<td class='logo' rowspan='2'><a href='");
986 if (logo_link && *logo_link)
987 html_attr(logo_link);
988 else
989 html_attr(cgit_rooturl());
990 html("'><img src='");
991 html_attr(logo);
992 html("' id='logo' alt='cgit logo'/></a></td>\n");
993 }
994
995 html("<td class='main'>");
996 if (ctx.repo) {
997 cgit_index_link("index", NULL, NULL, NULL, NULL, 0, 1);
998 html(" : ");
999 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
1000 if (ctx.env.authenticated) {
1001 html("</td><td class='form'>");
1002 html("<form method='get'>\n");
1003 cgit_add_hidden_formfields(0, 1, ctx.qry.page);
1004 html("<select name='h' onchange='this.form.submit();'>\n");
1005 for_each_branch_ref(print_branch_option, ctx.qry.head);
1006 if (ctx.repo->enable_remote_branches)
1007 for_each_remote_ref(print_branch_option, ctx.qry.head);
1008 html("</select> ");
1009 html("<input type='submit' value='switch'/>");
1010 html("</form>");
1011 }
1012 } else
1013 html_txt(ctx.cfg.root_title);
1014 html("</td></tr>\n");
1015
1016 html("<tr><td class='sub'>");
1017 if (ctx.repo) {
1018 html_txt(ctx.repo->desc);
1019 html("</td><td class='sub right'>");
1020 html_txt(ctx.repo->owner);
1021 } else {
1022 if (ctx.cfg.root_desc)
1023 html_txt(ctx.cfg.root_desc);
1024 }
1025 html("</td></tr></table>\n");
1026}
1027
1028void cgit_print_pageheader(void)
1029{
1030 html("<div id='cgit'>");
1031 if (!ctx.env.authenticated || !ctx.cfg.noheader)
1032 print_header();
1033
1034 html("<table class='tabs'><tr><td>\n");
1035 if (ctx.env.authenticated && ctx.repo) {
1036 if (ctx.repo->readme.nr)
1037 reporevlink("about", "about", NULL,
1038 hc("about"), ctx.qry.head, NULL,
1039 NULL);
1040 cgit_summary_link("summary", NULL, hc("summary"),
1041 ctx.qry.head);
1042 cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
1043 ctx.qry.oid, NULL);
1044 cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
1045 NULL, ctx.qry.vpath, 0, NULL, NULL,
1046 ctx.qry.showmsg, ctx.qry.follow);
1047 if (ctx.qry.page && !strcmp(ctx.qry.page, "blame"))
1048 cgit_blame_link("blame", NULL, hc("blame"), ctx.qry.head,
1049 ctx.qry.oid, ctx.qry.vpath);
1050 else
1051 cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
1052 ctx.qry.oid, ctx.qry.vpath);
1053 cgit_commit_link("commit", NULL, hc("commit"),
1054 ctx.qry.head, ctx.qry.oid, ctx.qry.vpath);
1055 cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
1056 ctx.qry.oid, ctx.qry.oid2, ctx.qry.vpath);
1057 if (ctx.repo->max_stats)
1058 cgit_stats_link("stats", NULL, hc("stats"),
1059 ctx.qry.head, ctx.qry.vpath);
1060 if (ctx.repo->homepage) {
1061 html("<a href='");
1062 html_attr(ctx.repo->homepage);
1063 html("'>homepage</a>");
1064 }
1065 html("</td><td class='form'>");
1066 html("<form class='right' method='get' action='");
1067 if (ctx.cfg.virtual_root) {
1068 char *fileurl = cgit_fileurl(ctx.qry.repo, "log",
1069 ctx.qry.vpath, NULL);
1070 html_url_path(fileurl);
1071 free(fileurl);
1072 }
1073 html("'>\n");
1074 cgit_add_hidden_formfields(1, 0, "log");
1075 html("<select name='qt'>\n");
1076 html_option("grep", "log msg", ctx.qry.grep);
1077 html_option("author", "author", ctx.qry.grep);
1078 html_option("committer", "committer", ctx.qry.grep);
1079 html_option("range", "range", ctx.qry.grep);
1080 html("</select>\n");
1081 html("<input class='txt' type='search' size='10' name='q' value='");
1082 html_attr(ctx.qry.search);
1083 html("'/>\n");
1084 html("<input type='submit' value='search'/>\n");
1085 html("</form>\n");
1086 } else if (ctx.env.authenticated) {
1087 char *currenturl = cgit_currenturl();
1088 site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0, 1);
1089 if (ctx.cfg.root_readme)
1090 site_link("about", "about", NULL, hc("about"),
1091 NULL, NULL, 0, 1);
1092 html("</td><td class='form'>");
1093 html("<form method='get' action='");
1094 html_attr(currenturl);
1095 html("'>\n");
1096 html("<input type='search' name='q' size='10' value='");
1097 html_attr(ctx.qry.search);
1098 html("'/>\n");
1099 html("<input type='submit' value='search'/>\n");
1100 html("</form>");
1101 free(currenturl);
1102 }
1103 html("</td></tr></table>\n");
1104 if (ctx.env.authenticated && ctx.repo && ctx.qry.vpath) {
1105 html("<div class='path'>");
1106 html("path: ");
1107 cgit_print_path_crumbs(ctx.qry.vpath);
1108 if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
1109 html(" (");
1110 ctx.qry.follow = !ctx.qry.follow;
1111 cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
1112 NULL, NULL);
1113 ctx.qry.follow = !ctx.qry.follow;
1114 html(")");
1115 }
1116 html("</div>");
1117 }
1118 html("<div class='content'>");
1119}
1120
1121void cgit_print_filemode(unsigned short mode)
1122{
1123 if (S_ISDIR(mode))
1124 html("d");
1125 else if (S_ISLNK(mode))
1126 html("l");
1127 else if (S_ISGITLINK(mode))
1128 html("m");
1129 else
1130 html("-");
1131 html_fileperm(mode >> 6);
1132 html_fileperm(mode >> 3);
1133 html_fileperm(mode);
1134}
1135
1136void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
1137 const char *ref)
1138{
1139 struct object_id oid;
1140
1141 /*
1142 * Prettify snapshot names by stripping leading "v" or "V" if the tag
1143 * name starts with {v,V}[0-9] and the prettify mapping is injective,
1144 * i.e. each stripped tag can be inverted without ambiguities.
1145 */
1146 if (get_oid(fmt("refs/tags/%s", ref), &oid) == 0 &&
1147 (ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]) &&
1148 ((get_oid(fmt("refs/tags/%s", ref + 1), &oid) == 0) +
1149 (get_oid(fmt("refs/tags/v%s", ref + 1), &oid) == 0) +
1150 (get_oid(fmt("refs/tags/V%s", ref + 1), &oid) == 0) == 1))
1151 ref++;
1152
1153 strbuf_addf(filename, "%s-%s", base, ref);
1154}
1155
1156void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
1157 const char *separator)
1158{
1159 const struct cgit_snapshot_format *f;
1160 struct strbuf filename = STRBUF_INIT;
1161 const char *basename;
1162 size_t prefixlen;
1163
1164 basename = cgit_snapshot_prefix(repo);
1165 if (starts_with(ref, basename))
1166 strbuf_addstr(&filename, ref);
1167 else
1168 cgit_compose_snapshot_prefix(&filename, basename, ref);
1169
1170 prefixlen = filename.len;
1171 for (f = cgit_snapshot_formats; f->suffix; f++) {
1172 if (!(repo->snapshots & cgit_snapshot_format_bit(f)))
1173 continue;
1174 strbuf_setlen(&filename, prefixlen);
1175 strbuf_addstr(&filename, f->suffix);
1176 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL,
1177 filename.buf);
1178 if (cgit_snapshot_get_sig(ref, f)) {
1179 strbuf_addstr(&filename, ".asc");
1180 html(" (");
1181 cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
1182 filename.buf);
1183 html(")");
1184 } else if (starts_with(f->suffix, ".tar") && cgit_snapshot_get_sig(ref, &cgit_snapshot_formats[0])) {
1185 strbuf_setlen(&filename, strlen(filename.buf) - strlen(f->suffix));
1186 strbuf_addstr(&filename, ".tar.asc");
1187 html(" (");
1188 cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
1189 filename.buf);
1190 html(")");
1191 }
1192 html(separator);
1193 }
1194 strbuf_release(&filename);
1195}
1196
1197void cgit_set_title_from_path(const char *path)
1198{
1199 struct strbuf sb = STRBUF_INIT;
1200 const char *slash, *last_slash;
1201
1202 if (!path)
1203 return;
1204
1205 for (last_slash = path + strlen(path); (slash = memrchr(path, '/', last_slash - path)) != NULL; last_slash = slash) {
1206 strbuf_add(&sb, slash + 1, last_slash - slash - 1);
1207 strbuf_addstr(&sb, " \xc2\xab ");
1208 }
1209 strbuf_add(&sb, path, last_slash - path);
1210 strbuf_addf(&sb, " - %s", ctx.page.title);
1211 ctx.page.title = strbuf_detach(&sb, NULL);
1212}