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 size_t len = strlen(root);
72
73 if (!ctx.qry.url)
74 return xstrdup(root);
75 if (len && root[len - 1] == '/')
76 return fmtalloc("%s%s", root, ctx.qry.url);
77 return fmtalloc("%s/%s", root, ctx.qry.url);
78}
79
80const char *cgit_rooturl(void)
81{
82 if (ctx.cfg.virtual_root)
83 return ctx.cfg.virtual_root;
84 else
85 return ctx.cfg.script_name;
86}
87
88const char *cgit_loginurl(void)
89{
90 static const char *login_url;
91 if (!login_url)
92 login_url = fmtalloc("%s?p=login", cgit_rooturl());
93 return login_url;
94}
95
96char *cgit_repourl(const char *reponame)
97{
98 if (ctx.cfg.virtual_root)
99 return fmtalloc("%s%s/", ctx.cfg.virtual_root, reponame);
100 else
101 return fmtalloc("?r=%s", reponame);
102}
103
104char *cgit_fileurl(const char *reponame, const char *pagename,
105 const char *filename, const char *query)
106{
107 struct strbuf sb = STRBUF_INIT;
108 char *delim;
109
110 if (ctx.cfg.virtual_root) {
111 strbuf_addf(&sb, "%s%s/%s/%s", ctx.cfg.virtual_root, reponame,
112 pagename, (filename ? filename:""));
113 delim = "?";
114 } else {
115 strbuf_addf(&sb, "?url=%s/%s/%s", reponame, pagename,
116 (filename ? filename : ""));
117 delim = "&";
118 }
119 if (query)
120 strbuf_addf(&sb, "%s%s", delim, query);
121 return strbuf_detach(&sb, NULL);
122}
123
124char *cgit_pageurl(const char *reponame, const char *pagename,
125 const char *query)
126{
127 return cgit_fileurl(reponame, pagename, NULL, query);
128}
129
130const char *cgit_repobasename(const char *reponame)
131{
132 /* I assume we don't need to store more than one repo basename */
133 static char rvbuf[1024];
134 int p;
135 const char *rv;
136 strncpy(rvbuf, reponame, sizeof(rvbuf));
137 if (rvbuf[sizeof(rvbuf)-1])
138 die("cgit_repobasename: truncated repository name '%s'", reponame);
139 p = strlen(rvbuf)-1;
140 /* strip trailing slashes */
141 while (p && rvbuf[p] == '/') rvbuf[p--] = 0;
142 /* strip trailing .git */
143 if (p >= 3 && starts_with(&rvbuf[p-3], ".git")) {
144 p -= 3; rvbuf[p--] = 0;
145 }
146 /* strip more trailing slashes if any */
147 while ( p && rvbuf[p] == '/') rvbuf[p--] = 0;
148 /* find last slash in the remaining string */
149 rv = strrchr(rvbuf,'/');
150 if (rv)
151 return ++rv;
152 return rvbuf;
153}
154
155const char *cgit_snapshot_prefix(const struct cgit_repo *repo)
156{
157 if (repo->snapshot_prefix)
158 return repo->snapshot_prefix;
159
160 return cgit_repobasename(repo->url);
161}
162
163static void site_url(const char *page, const char *search, const char *sort, int ofs, int always_root)
164{
165 char *delim = "?";
166
167 if (always_root || page)
168 html_attr(cgit_rooturl());
169 else {
170 char *currenturl = cgit_currenturl();
171 html_attr(currenturl);
172 free(currenturl);
173 }
174
175 if (page) {
176 htmlf("?p=%s", page);
177 delim = "&";
178 }
179 if (search) {
180 html(delim);
181 html("q=");
182 html_attr(search);
183 delim = "&";
184 }
185 if (sort) {
186 html(delim);
187 html("s=");
188 html_attr(sort);
189 delim = "&";
190 }
191 if (ofs) {
192 html(delim);
193 htmlf("ofs=%d", ofs);
194 }
195}
196
197static void site_link(const char *page, const char *name, const char *title,
198 const char *class, const char *search, const char *sort, int ofs, int always_root)
199{
200 html("<a");
201 if (title) {
202 html(" title='");
203 html_attr(title);
204 html("'");
205 }
206 if (class) {
207 html(" class='");
208 html_attr(class);
209 html("'");
210 }
211 html(" href='");
212 site_url(page, search, sort, ofs, always_root);
213 html("'>");
214 html_txt(name);
215 html("</a>");
216}
217
218void cgit_index_link(const char *name, const char *title, const char *class,
219 const char *pattern, const char *sort, int ofs, int always_root)
220{
221 site_link(NULL, name, title, class, pattern, sort, ofs, always_root);
222}
223
224static char *repolink(const char *title, const char *class, const char *page,
225 const char *head, const char *path)
226{
227 char *delim = "?";
228
229 html("<a");
230 if (title) {
231 html(" title='");
232 html_attr(title);
233 html("'");
234 }
235 if (class) {
236 html(" class='");
237 html_attr(class);
238 html("'");
239 }
240 html(" href='");
241 if (ctx.cfg.virtual_root) {
242 html_url_path(ctx.cfg.virtual_root);
243 html_url_path(ctx.repo->url);
244 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
245 html("/");
246 if (page) {
247 html_url_path(page);
248 html("/");
249 if (path)
250 html_url_path(path);
251 }
252 } else {
253 html_url_path(ctx.cfg.script_name);
254 html("?url=");
255 html_url_arg(ctx.repo->url);
256 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
257 html("/");
258 if (page) {
259 html_url_arg(page);
260 html("/");
261 if (path)
262 html_url_arg(path);
263 }
264 delim = "&";
265 }
266 if (head && ctx.repo->defbranch && strcmp(head, ctx.repo->defbranch)) {
267 html(delim);
268 html("h=");
269 html_url_arg(head);
270 delim = "&";
271 }
272 return fmt("%s", delim);
273}
274
275static void reporevlink(const char *page, const char *name, const char *title,
276 const char *class, const char *head, const char *rev,
277 const char *path)
278{
279 char *delim;
280
281 delim = repolink(title, class, page, head, path);
282 if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
283 html(delim);
284 html("id=");
285 html_url_arg(rev);
286 }
287 html("'>");
288 html_txt(name);
289 html("</a>");
290}
291
292void cgit_summary_link(const char *name, const char *title, const char *class,
293 const char *head)
294{
295 reporevlink(NULL, name, title, class, head, NULL, NULL);
296}
297
298void cgit_tag_link(const char *name, const char *title, const char *class,
299 const char *tag)
300{
301 reporevlink("tag", name, title, class, tag, NULL, NULL);
302}
303
304void cgit_tree_link(const char *name, const char *title, const char *class,
305 const char *head, const char *rev, const char *path)
306{
307 reporevlink("tree", name, title, class, head, rev, path);
308}
309
310void cgit_plain_link(const char *name, const char *title, const char *class,
311 const char *head, const char *rev, const char *path)
312{
313 reporevlink("plain", name, title, class, head, rev, path);
314}
315
316void cgit_blame_link(const char *name, const char *title, const char *class,
317 const char *head, const char *rev, const char *path)
318{
319 reporevlink("blame", name, title, class, head, rev, path);
320}
321
322void cgit_log_link(const char *name, const char *title, const char *class,
323 const char *head, const char *rev, const char *path,
324 int ofs, const char *grep, const char *pattern, int showmsg,
325 int follow)
326{
327 char *delim;
328
329 delim = repolink(title, class, "log", head, path);
330 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
331 html(delim);
332 html("id=");
333 html_url_arg(rev);
334 delim = "&";
335 }
336 if (grep && pattern) {
337 html(delim);
338 html("qt=");
339 html_url_arg(grep);
340 delim = "&";
341 html(delim);
342 html("q=");
343 html_url_arg(pattern);
344 }
345 if (ofs > 0) {
346 html(delim);
347 html("ofs=");
348 htmlf("%d", ofs);
349 delim = "&";
350 }
351 if (showmsg) {
352 html(delim);
353 html("showmsg=1");
354 delim = "&";
355 }
356 if (follow) {
357 html(delim);
358 html("follow=1");
359 }
360 html("'>");
361 html_txt(name);
362 html("</a>");
363}
364
365void cgit_commit_link(const char *name, const char *title, const char *class,
366 const char *head, const char *rev, const char *path)
367{
368 char *delim;
369
370 delim = repolink(title, class, "commit", head, path);
371 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
372 html(delim);
373 html("id=");
374 html_url_arg(rev);
375 delim = "&";
376 }
377 if (ctx.qry.difftype) {
378 html(delim);
379 htmlf("dt=%d", ctx.qry.difftype);
380 delim = "&";
381 }
382 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
383 html(delim);
384 html("context=");
385 htmlf("%d", ctx.qry.context);
386 delim = "&";
387 }
388 if (ctx.qry.ignorews) {
389 html(delim);
390 html("ignorews=1");
391 delim = "&";
392 }
393 if (ctx.qry.follow) {
394 html(delim);
395 html("follow=1");
396 }
397 html("'>");
398 if (name[0] != '\0') {
399 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
400 html_ntxt(name, ctx.cfg.max_msg_len - 3);
401 html("...");
402 } else
403 html_txt(name);
404 } else
405 html_txt("(no commit message)");
406 html("</a>");
407}
408
409void cgit_refs_link(const char *name, const char *title, const char *class,
410 const char *head, const char *rev, const char *path)
411{
412 reporevlink("refs", name, title, class, head, rev, path);
413}
414
415void cgit_snapshot_link(const char *name, const char *title, const char *class,
416 const char *head, const char *rev,
417 const char *archivename)
418{
419 reporevlink("snapshot", name, title, class, head, rev, archivename);
420}
421
422void cgit_diff_link(const char *name, const char *title, const char *class,
423 const char *head, const char *new_rev, const char *old_rev,
424 const char *path)
425{
426 char *delim;
427
428 delim = repolink(title, class, "diff", head, path);
429 if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
430 html(delim);
431 html("id=");
432 html_url_arg(new_rev);
433 delim = "&";
434 }
435 if (old_rev) {
436 html(delim);
437 html("id2=");
438 html_url_arg(old_rev);
439 delim = "&";
440 }
441 if (ctx.qry.difftype) {
442 html(delim);
443 htmlf("dt=%d", ctx.qry.difftype);
444 delim = "&";
445 }
446 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
447 html(delim);
448 html("context=");
449 htmlf("%d", ctx.qry.context);
450 delim = "&";
451 }
452 if (ctx.qry.ignorews) {
453 html(delim);
454 html("ignorews=1");
455 delim = "&";
456 }
457 if (ctx.qry.follow) {
458 html(delim);
459 html("follow=1");
460 }
461 html("'>");
462 html_txt(name);
463 html("</a>");
464}
465
466void cgit_patch_link(const char *name, const char *title, const char *class,
467 const char *head, const char *rev, const char *path)
468{
469 reporevlink("patch", name, title, class, head, rev, path);
470}
471
472void cgit_stats_link(const char *name, const char *title, const char *class,
473 const char *head, const char *path)
474{
475 reporevlink("stats", name, title, class, head, NULL, path);
476}
477
478static void cgit_self_link(char *name, const char *title, const char *class)
479{
480 if (!strcmp(ctx.qry.page, "repolist"))
481 cgit_index_link(name, title, class, ctx.qry.search, ctx.qry.sort,
482 ctx.qry.ofs, 1);
483 else if (!strcmp(ctx.qry.page, "summary"))
484 cgit_summary_link(name, title, class, ctx.qry.head);
485 else if (!strcmp(ctx.qry.page, "tag"))
486 cgit_tag_link(name, title, class, ctx.qry.has_sha1 ?
487 ctx.qry.sha1 : ctx.qry.head);
488 else if (!strcmp(ctx.qry.page, "tree"))
489 cgit_tree_link(name, title, class, ctx.qry.head,
490 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
491 ctx.qry.path);
492 else if (!strcmp(ctx.qry.page, "plain"))
493 cgit_plain_link(name, title, class, ctx.qry.head,
494 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
495 ctx.qry.path);
496 else if (!strcmp(ctx.qry.page, "blame"))
497 cgit_blame_link(name, title, class, ctx.qry.head,
498 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
499 ctx.qry.path);
500 else if (!strcmp(ctx.qry.page, "log"))
501 cgit_log_link(name, title, class, ctx.qry.head,
502 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
503 ctx.qry.path, ctx.qry.ofs,
504 ctx.qry.grep, ctx.qry.search,
505 ctx.qry.showmsg, ctx.qry.follow);
506 else if (!strcmp(ctx.qry.page, "commit"))
507 cgit_commit_link(name, title, class, ctx.qry.head,
508 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
509 ctx.qry.path);
510 else if (!strcmp(ctx.qry.page, "patch"))
511 cgit_patch_link(name, title, class, ctx.qry.head,
512 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
513 ctx.qry.path);
514 else if (!strcmp(ctx.qry.page, "refs"))
515 cgit_refs_link(name, title, class, ctx.qry.head,
516 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
517 ctx.qry.path);
518 else if (!strcmp(ctx.qry.page, "snapshot"))
519 cgit_snapshot_link(name, title, class, ctx.qry.head,
520 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
521 ctx.qry.path);
522 else if (!strcmp(ctx.qry.page, "diff"))
523 cgit_diff_link(name, title, class, ctx.qry.head,
524 ctx.qry.sha1, ctx.qry.sha2,
525 ctx.qry.path);
526 else if (!strcmp(ctx.qry.page, "stats"))
527 cgit_stats_link(name, title, class, ctx.qry.head,
528 ctx.qry.path);
529 else {
530 /* Don't known how to make link for this page */
531 repolink(title, class, ctx.qry.page, ctx.qry.head, ctx.qry.path);
532 html("><!-- cgit_self_link() doesn't know how to make link for page '");
533 html_txt(ctx.qry.page);
534 html("' -->");
535 html_txt(name);
536 html("</a>");
537 }
538}
539
540void cgit_object_link(struct object *obj)
541{
542 char *page, *shortrev, *fullrev, *name;
543
544 fullrev = oid_to_hex(&obj->oid);
545 shortrev = xstrdup(fullrev);
546 shortrev[10] = '\0';
547 if (obj->type == OBJ_COMMIT) {
548 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
549 ctx.qry.head, fullrev, NULL);
550 return;
551 } else if (obj->type == OBJ_TREE)
552 page = "tree";
553 else if (obj->type == OBJ_TAG)
554 page = "tag";
555 else
556 page = "blob";
557 name = fmt("%s %s...", type_name(obj->type), shortrev);
558 reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
559}
560
561static struct string_list_item *lookup_path(struct string_list *list,
562 const char *path)
563{
564 struct string_list_item *item;
565
566 while (path && path[0]) {
567 if ((item = string_list_lookup(list, path)))
568 return item;
569 if (!(path = strchr(path, '/')))
570 break;
571 path++;
572 }
573 return NULL;
574}
575
576void cgit_submodule_link(const char *class, char *path, const char *rev)
577{
578 struct string_list *list;
579 struct string_list_item *item;
580 char tail, *dir;
581 size_t len;
582
583 len = 0;
584 tail = 0;
585 list = &ctx.repo->submodules;
586 item = lookup_path(list, path);
587 if (!item) {
588 len = strlen(path);
589 tail = path[len - 1];
590 if (tail == '/') {
591 path[len - 1] = 0;
592 item = lookup_path(list, path);
593 }
594 }
595 if (item || ctx.repo->module_link) {
596 html("<a ");
597 if (class)
598 htmlf("class='%s' ", class);
599 html("href='");
600 if (item) {
601 html_attrf(item->util, rev);
602 } else {
603 dir = strrchr(path, '/');
604 if (dir)
605 dir++;
606 else
607 dir = path;
608 html_attrf(ctx.repo->module_link, dir, rev);
609 }
610 html("'>");
611 html_txt(path);
612 html("</a>");
613 } else {
614 html("<span");
615 if (class)
616 htmlf(" class='%s'", class);
617 html(">");
618 html_txt(path);
619 html("</span>");
620 }
621 html_txtf(" @ %.7s", rev);
622 if (item && tail)
623 path[len - 1] = tail;
624}
625
626const struct date_mode *cgit_date_mode(enum date_mode_type type)
627{
628 static struct date_mode mode;
629 mode.type = type;
630 mode.local = ctx.cfg.local_time;
631 return &mode;
632}
633
634static void print_rel_date(time_t t, int tz, double value,
635 const char *class, const char *suffix)
636{
637 htmlf("<span class='%s' title='", class);
638 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
639 htmlf("'>%.0f %s</span>", value, suffix);
640}
641
642void cgit_print_age(time_t t, int tz, time_t max_relative)
643{
644 time_t now, secs;
645
646 if (!t)
647 return;
648 time(&now);
649 secs = now - t;
650 if (secs < 0)
651 secs = 0;
652
653 if (secs > max_relative && max_relative >= 0) {
654 html("<span title='");
655 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
656 html("'>");
657 html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));
658 html("</span>");
659 return;
660 }
661
662 if (secs < TM_HOUR * 2) {
663 print_rel_date(t, tz, secs * 1.0 / TM_MIN, "age-mins", "min.");
664 return;
665 }
666 if (secs < TM_DAY * 2) {
667 print_rel_date(t, tz, secs * 1.0 / TM_HOUR, "age-hours", "hours");
668 return;
669 }
670 if (secs < TM_WEEK * 2) {
671 print_rel_date(t, tz, secs * 1.0 / TM_DAY, "age-days", "days");
672 return;
673 }
674 if (secs < TM_MONTH * 2) {
675 print_rel_date(t, tz, secs * 1.0 / TM_WEEK, "age-weeks", "weeks");
676 return;
677 }
678 if (secs < TM_YEAR * 2) {
679 print_rel_date(t, tz, secs * 1.0 / TM_MONTH, "age-months", "months");
680 return;
681 }
682 print_rel_date(t, tz, secs * 1.0 / TM_YEAR, "age-years", "years");
683}
684
685void cgit_print_http_headers(void)
686{
687 if (ctx.env.no_http && !strcmp(ctx.env.no_http, "1"))
688 return;
689
690 if (ctx.page.status)
691 htmlf("Status: %d %s\n", ctx.page.status, ctx.page.statusmsg);
692 if (ctx.page.mimetype && ctx.page.charset)
693 htmlf("Content-Type: %s; charset=%s\n", ctx.page.mimetype,
694 ctx.page.charset);
695 else if (ctx.page.mimetype)
696 htmlf("Content-Type: %s\n", ctx.page.mimetype);
697 if (ctx.page.size)
698 htmlf("Content-Length: %zd\n", ctx.page.size);
699 if (ctx.page.filename) {
700 html("Content-Disposition: inline; filename=\"");
701 html_header_arg_in_quotes(ctx.page.filename);
702 html("\"\n");
703 }
704 if (!ctx.env.authenticated)
705 html("Cache-Control: no-cache, no-store\n");
706 htmlf("Last-Modified: %s\n", http_date(ctx.page.modified));
707 htmlf("Expires: %s\n", http_date(ctx.page.expires));
708 if (ctx.page.etag)
709 htmlf("ETag: \"%s\"\n", ctx.page.etag);
710 html("\n");
711 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
712 exit(0);
713}
714
715void cgit_redirect(const char *url, bool permanent)
716{
717 htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
718 html("Location: ");
719 html_url_path(url);
720 html("\n\n");
721}
722
723static void print_rel_vcs_link(const char *url)
724{
725 html("<link rel='vcs-git' href='");
726 html_attr(url);
727 html("' title='");
728 html_attr(ctx.repo->name);
729 html(" Git repository'/>\n");
730}
731
732void cgit_print_docstart(void)
733{
734 char *host = cgit_hosturl();
735
736 if (ctx.cfg.embedded) {
737 if (ctx.cfg.header)
738 html_include(ctx.cfg.header);
739 return;
740 }
741
742 html(cgit_doctype);
743 html("<html lang='en'>\n");
744 html("<head>\n");
745 html("<title>");
746 html_txt(ctx.page.title);
747 html("</title>\n");
748 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
749 if (ctx.cfg.robots && *ctx.cfg.robots)
750 htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
751 html("<link rel='stylesheet' type='text/css' href='");
752 html_attr(ctx.cfg.css);
753 html("'/>\n");
754 if (ctx.cfg.favicon) {
755 html("<link rel='shortcut icon' href='");
756 html_attr(ctx.cfg.favicon);
757 html("'/>\n");
758 }
759 if (host && ctx.repo && ctx.qry.head) {
760 char *fileurl;
761 struct strbuf sb = STRBUF_INIT;
762 strbuf_addf(&sb, "h=%s", ctx.qry.head);
763
764 html("<link rel='alternate' title='Atom feed' href='");
765 html(cgit_httpscheme());
766 html_attr(host);
767 fileurl = cgit_fileurl(ctx.repo->url, "atom", ctx.qry.vpath,
768 sb.buf);
769 html_attr(fileurl);
770 html("' type='application/atom+xml'/>\n");
771 strbuf_release(&sb);
772 free(fileurl);
773 }
774 if (ctx.repo)
775 cgit_add_clone_urls(print_rel_vcs_link);
776 if (ctx.cfg.head_include)
777 html_include(ctx.cfg.head_include);
778 html("</head>\n");
779 html("<body>\n");
780 if (ctx.cfg.header)
781 html_include(ctx.cfg.header);
782 free(host);
783}
784
785void cgit_print_docend(void)
786{
787 html("</div> <!-- class=content -->\n");
788 if (ctx.cfg.embedded) {
789 html("</div> <!-- id=cgit -->\n");
790 if (ctx.cfg.footer)
791 html_include(ctx.cfg.footer);
792 return;
793 }
794 if (ctx.cfg.footer)
795 html_include(ctx.cfg.footer);
796 else {
797 htmlf("<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit %s</a> "
798 "(<a href='https://git-scm.com/'>git %s</a>) at ", cgit_version, git_version_string);
799 html_txt(show_date(time(NULL), 0, cgit_date_mode(DATE_ISO8601)));
800 html("</div>\n");
801 }
802 html("</div> <!-- id=cgit -->\n");
803 html("</body>\n</html>\n");
804}
805
806void cgit_print_error_page(int code, const char *msg, const char *fmt, ...)
807{
808 va_list ap;
809 ctx.page.expires = ctx.cfg.cache_dynamic_ttl;
810 ctx.page.status = code;
811 ctx.page.statusmsg = msg;
812 cgit_print_layout_start();
813 va_start(ap, fmt);
814 cgit_vprint_error(fmt, ap);
815 va_end(ap);
816 cgit_print_layout_end();
817}
818
819void cgit_print_layout_start(void)
820{
821 cgit_print_http_headers();
822 cgit_print_docstart();
823 cgit_print_pageheader();
824}
825
826void cgit_print_layout_end(void)
827{
828 cgit_print_docend();
829}
830
831static void add_clone_urls(void (*fn)(const char *), char *txt, char *suffix)
832{
833 struct strbuf **url_list = strbuf_split_str(txt, ' ', 0);
834 int i;
835
836 for (i = 0; url_list[i]; i++) {
837 strbuf_rtrim(url_list[i]);
838 if (url_list[i]->len == 0)
839 continue;
840 if (suffix && *suffix)
841 strbuf_addf(url_list[i], "/%s", suffix);
842 fn(url_list[i]->buf);
843 }
844
845 strbuf_list_free(url_list);
846}
847
848void cgit_add_clone_urls(void (*fn)(const char *))
849{
850 if (ctx.repo->clone_url)
851 add_clone_urls(fn, expand_macros(ctx.repo->clone_url), NULL);
852 else if (ctx.cfg.clone_prefix)
853 add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
854}
855
856static int print_branch_option(const char *refname, const struct object_id *oid,
857 int flags, void *cb_data)
858{
859 char *name = (char *)refname;
860 html_option(name, name, ctx.qry.head);
861 return 0;
862}
863
864void cgit_add_hidden_formfields(int incl_head, int incl_search,
865 const char *page)
866{
867 if (!ctx.cfg.virtual_root) {
868 struct strbuf url = STRBUF_INIT;
869
870 strbuf_addf(&url, "%s/%s", ctx.qry.repo, page);
871 if (ctx.qry.vpath)
872 strbuf_addf(&url, "/%s", ctx.qry.vpath);
873 html_hidden("url", url.buf);
874 strbuf_release(&url);
875 }
876
877 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
878 strcmp(ctx.qry.head, ctx.repo->defbranch))
879 html_hidden("h", ctx.qry.head);
880
881 if (ctx.qry.sha1)
882 html_hidden("id", ctx.qry.sha1);
883 if (ctx.qry.sha2)
884 html_hidden("id2", ctx.qry.sha2);
885 if (ctx.qry.showmsg)
886 html_hidden("showmsg", "1");
887
888 if (incl_search) {
889 if (ctx.qry.grep)
890 html_hidden("qt", ctx.qry.grep);
891 if (ctx.qry.search)
892 html_hidden("q", ctx.qry.search);
893 }
894}
895
896static const char *hc(const char *page)
897{
898 if (!ctx.qry.page)
899 return NULL;
900
901 return strcmp(ctx.qry.page, page) ? NULL : "active";
902}
903
904static void cgit_print_path_crumbs(char *path)
905{
906 char *old_path = ctx.qry.path;
907 char *p = path, *q, *end = path + strlen(path);
908
909 ctx.qry.path = NULL;
910 cgit_self_link("root", NULL, NULL);
911 ctx.qry.path = p = path;
912 while (p < end) {
913 if (!(q = strchr(p, '/')))
914 q = end;
915 *q = '\0';
916 html_txt("/");
917 cgit_self_link(p, NULL, NULL);
918 if (q < end)
919 *q = '/';
920 p = q + 1;
921 }
922 ctx.qry.path = old_path;
923}
924
925static void print_header(void)
926{
927 char *logo = NULL, *logo_link = NULL;
928
929 html("<table id='header'>\n");
930 html("<tr>\n");
931
932 if (ctx.repo && ctx.repo->logo && *ctx.repo->logo)
933 logo = ctx.repo->logo;
934 else
935 logo = ctx.cfg.logo;
936 if (ctx.repo && ctx.repo->logo_link && *ctx.repo->logo_link)
937 logo_link = ctx.repo->logo_link;
938 else
939 logo_link = ctx.cfg.logo_link;
940 if (logo && *logo) {
941 html("<td class='logo' rowspan='2'><a href='");
942 if (logo_link && *logo_link)
943 html_attr(logo_link);
944 else
945 html_attr(cgit_rooturl());
946 html("'><img src='");
947 html_attr(logo);
948 html("' alt='cgit logo'/></a></td>\n");
949 }
950
951 html("<td class='main'>");
952 if (ctx.repo) {
953 cgit_index_link("index", NULL, NULL, NULL, NULL, 0, 1);
954 html(" : ");
955 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
956 if (ctx.env.authenticated) {
957 html("</td><td class='form'>");
958 html("<form method='get'>\n");
959 cgit_add_hidden_formfields(0, 1, ctx.qry.page);
960 html("<select name='h' onchange='this.form.submit();'>\n");
961 for_each_branch_ref(print_branch_option, ctx.qry.head);
962 if (ctx.repo->enable_remote_branches)
963 for_each_remote_ref(print_branch_option, ctx.qry.head);
964 html("</select> ");
965 html("<input type='submit' value='switch'/>");
966 html("</form>");
967 }
968 } else
969 html_txt(ctx.cfg.root_title);
970 html("</td></tr>\n");
971
972 html("<tr><td class='sub'>");
973 if (ctx.repo) {
974 html_txt(ctx.repo->desc);
975 html("</td><td class='sub right'>");
976 html_txt(ctx.repo->owner);
977 } else {
978 if (ctx.cfg.root_desc)
979 html_txt(ctx.cfg.root_desc);
980 else if (ctx.cfg.index_info)
981 html_include(ctx.cfg.index_info);
982 }
983 html("</td></tr></table>\n");
984}
985
986void cgit_print_pageheader(void)
987{
988 html("<div id='cgit'>");
989 if (!ctx.env.authenticated || !ctx.cfg.noheader)
990 print_header();
991
992 html("<table class='tabs'><tr><td>\n");
993 if (ctx.env.authenticated && ctx.repo) {
994 if (ctx.repo->readme.nr)
995 reporevlink("about", "about", NULL,
996 hc("about"), ctx.qry.head, NULL,
997 NULL);
998 cgit_summary_link("summary", NULL, hc("summary"),
999 ctx.qry.head);
1000 cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
1001 ctx.qry.sha1, NULL);
1002 cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
1003 NULL, ctx.qry.vpath, 0, NULL, NULL,
1004 ctx.qry.showmsg, ctx.qry.follow);
1005 if (ctx.qry.page && !strcmp(ctx.qry.page, "blame"))
1006 cgit_blame_link("blame", NULL, hc("blame"), ctx.qry.head,
1007 ctx.qry.sha1, ctx.qry.vpath);
1008 else
1009 cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
1010 ctx.qry.sha1, ctx.qry.vpath);
1011 cgit_commit_link("commit", NULL, hc("commit"),
1012 ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
1013 cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
1014 ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
1015 if (ctx.repo->max_stats)
1016 cgit_stats_link("stats", NULL, hc("stats"),
1017 ctx.qry.head, ctx.qry.vpath);
1018 if (ctx.repo->homepage) {
1019 html("<a href='");
1020 html_attr(ctx.repo->homepage);
1021 html("'>homepage</a>");
1022 }
1023 html("</td><td class='form'>");
1024 html("<form class='right' method='get' action='");
1025 if (ctx.cfg.virtual_root) {
1026 char *fileurl = cgit_fileurl(ctx.qry.repo, "log",
1027 ctx.qry.vpath, NULL);
1028 html_url_path(fileurl);
1029 free(fileurl);
1030 }
1031 html("'>\n");
1032 cgit_add_hidden_formfields(1, 0, "log");
1033 html("<select name='qt'>\n");
1034 html_option("grep", "log msg", ctx.qry.grep);
1035 html_option("author", "author", ctx.qry.grep);
1036 html_option("committer", "committer", ctx.qry.grep);
1037 html_option("range", "range", ctx.qry.grep);
1038 html("</select>\n");
1039 html("<input class='txt' type='search' size='10' name='q' value='");
1040 html_attr(ctx.qry.search);
1041 html("'/>\n");
1042 html("<input type='submit' value='search'/>\n");
1043 html("</form>\n");
1044 } else if (ctx.env.authenticated) {
1045 char *currenturl = cgit_currenturl();
1046 site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0, 1);
1047 if (ctx.cfg.root_readme)
1048 site_link("about", "about", NULL, hc("about"),
1049 NULL, NULL, 0, 1);
1050 html("</td><td class='form'>");
1051 html("<form method='get' action='");
1052 html_attr(currenturl);
1053 html("'>\n");
1054 html("<input type='search' name='q' size='10' value='");
1055 html_attr(ctx.qry.search);
1056 html("'/>\n");
1057 html("<input type='submit' value='search'/>\n");
1058 html("</form>");
1059 free(currenturl);
1060 }
1061 html("</td></tr></table>\n");
1062 if (ctx.env.authenticated && ctx.repo && ctx.qry.vpath) {
1063 html("<div class='path'>");
1064 html("path: ");
1065 cgit_print_path_crumbs(ctx.qry.vpath);
1066 if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
1067 html(" (");
1068 ctx.qry.follow = !ctx.qry.follow;
1069 cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
1070 NULL, NULL);
1071 ctx.qry.follow = !ctx.qry.follow;
1072 html(")");
1073 }
1074 html("</div>");
1075 }
1076 html("<div class='content'>");
1077}
1078
1079void cgit_print_filemode(unsigned short mode)
1080{
1081 if (S_ISDIR(mode))
1082 html("d");
1083 else if (S_ISLNK(mode))
1084 html("l");
1085 else if (S_ISGITLINK(mode))
1086 html("m");
1087 else
1088 html("-");
1089 html_fileperm(mode >> 6);
1090 html_fileperm(mode >> 3);
1091 html_fileperm(mode);
1092}
1093
1094void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
1095 const char *ref)
1096{
1097 struct object_id oid;
1098
1099 /*
1100 * Prettify snapshot names by stripping leading "v" or "V" if the tag
1101 * name starts with {v,V}[0-9] and the prettify mapping is injective,
1102 * i.e. each stripped tag can be inverted without ambiguities.
1103 */
1104 if (get_oid(fmt("refs/tags/%s", ref), &oid) == 0 &&
1105 (ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]) &&
1106 ((get_oid(fmt("refs/tags/%s", ref + 1), &oid) == 0) +
1107 (get_oid(fmt("refs/tags/v%s", ref + 1), &oid) == 0) +
1108 (get_oid(fmt("refs/tags/V%s", ref + 1), &oid) == 0) == 1))
1109 ref++;
1110
1111 strbuf_addf(filename, "%s-%s", base, ref);
1112}
1113
1114void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref)
1115{
1116 const struct cgit_snapshot_format* f;
1117 struct strbuf filename = STRBUF_INIT;
1118 size_t prefixlen;
1119
1120 cgit_compose_snapshot_prefix(&filename, cgit_snapshot_prefix(repo), ref);
1121 prefixlen = filename.len;
1122 for (f = cgit_snapshot_formats; f->suffix; f++) {
1123 if (!(repo->snapshots & f->bit))
1124 continue;
1125 strbuf_setlen(&filename, prefixlen);
1126 strbuf_addstr(&filename, f->suffix);
1127 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL,
1128 filename.buf);
1129 html("<br/>");
1130 }
1131 strbuf_release(&filename);
1132}
1133
1134void cgit_set_title_from_path(const char *path)
1135{
1136 size_t path_len, path_index, path_last_end;
1137 char *new_title;
1138
1139 if (!path)
1140 return;
1141
1142 path_len = strlen(path);
1143 new_title = xmalloc(path_len + 3 + strlen(ctx.page.title) + 1);
1144 new_title[0] = '\0';
1145
1146 for (path_index = path_len, path_last_end = path_len; path_index-- > 0;) {
1147 if (path[path_index] == '/') {
1148 if (path_index == path_len - 1) {
1149 path_last_end = path_index - 1;
1150 continue;
1151 }
1152 strncat(new_title, &path[path_index + 1], path_last_end - path_index - 1);
1153 strcat(new_title, "\\");
1154 path_last_end = path_index;
1155 }
1156 }
1157 if (path_last_end)
1158 strncat(new_title, path, path_last_end);
1159
1160 strcat(new_title, " - ");
1161 strcat(new_title, ctx.page.title);
1162 ctx.page.title = new_title;
1163}