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