ui-shared.c (view raw)
1/* ui-shared.c: common web output functions
2 *
3 * Copyright (C) 2006-2014 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
14static const char cgit_doctype[] =
15"<!DOCTYPE html>\n";
16
17static char *http_date(time_t t)
18{
19 static char day[][4] =
20 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
21 static char month[][4] =
22 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
23 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
24 struct tm *tm = gmtime(&t);
25 return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
26 tm->tm_mday, month[tm->tm_mon], 1900 + tm->tm_year,
27 tm->tm_hour, tm->tm_min, tm->tm_sec);
28}
29
30void cgit_print_error(const char *fmt, ...)
31{
32 va_list ap;
33 va_start(ap, fmt);
34 cgit_vprint_error(fmt, ap);
35 va_end(ap);
36}
37
38void cgit_vprint_error(const char *fmt, va_list ap)
39{
40 va_list cp;
41 html("<div class='error'>");
42 va_copy(cp, ap);
43 html_vtxtf(fmt, cp);
44 va_end(cp);
45 html("</div>\n");
46}
47
48const char *cgit_httpscheme(void)
49{
50 if (ctx.env.https && !strcmp(ctx.env.https, "on"))
51 return "https://";
52 else
53 return "http://";
54}
55
56char *cgit_hosturl(void)
57{
58 if (ctx.env.http_host)
59 return xstrdup(ctx.env.http_host);
60 if (!ctx.env.server_name)
61 return NULL;
62 if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
63 return xstrdup(ctx.env.server_name);
64 return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port);
65}
66
67char *cgit_currenturl(void)
68{
69 const char *root = cgit_rooturl();
70 size_t len = strlen(root);
71
72 if (!ctx.qry.url)
73 return xstrdup(root);
74 if (len && root[len - 1] == '/')
75 return fmtalloc("%s%s", root, ctx.qry.url);
76 return fmtalloc("%s/%s", root, ctx.qry.url);
77}
78
79const char *cgit_rooturl(void)
80{
81 if (ctx.cfg.virtual_root)
82 return ctx.cfg.virtual_root;
83 else
84 return ctx.cfg.script_name;
85}
86
87const char *cgit_loginurl(void)
88{
89 static const char *login_url;
90 if (!login_url)
91 login_url = fmtalloc("%s?p=login", cgit_rooturl());
92 return login_url;
93}
94
95char *cgit_repourl(const char *reponame)
96{
97 if (ctx.cfg.virtual_root)
98 return fmtalloc("%s%s/", ctx.cfg.virtual_root, reponame);
99 else
100 return fmtalloc("?r=%s", reponame);
101}
102
103char *cgit_fileurl(const char *reponame, const char *pagename,
104 const char *filename, const char *query)
105{
106 struct strbuf sb = STRBUF_INIT;
107 char *delim;
108
109 if (ctx.cfg.virtual_root) {
110 strbuf_addf(&sb, "%s%s/%s/%s", ctx.cfg.virtual_root, reponame,
111 pagename, (filename ? filename:""));
112 delim = "?";
113 } else {
114 strbuf_addf(&sb, "?url=%s/%s/%s", reponame, pagename,
115 (filename ? filename : ""));
116 delim = "&";
117 }
118 if (query)
119 strbuf_addf(&sb, "%s%s", delim, query);
120 return strbuf_detach(&sb, NULL);
121}
122
123char *cgit_pageurl(const char *reponame, const char *pagename,
124 const char *query)
125{
126 return cgit_fileurl(reponame, pagename, NULL, query);
127}
128
129const char *cgit_repobasename(const char *reponame)
130{
131 /* I assume we don't need to store more than one repo basename */
132 static char rvbuf[1024];
133 int p;
134 const char *rv;
135 strncpy(rvbuf, reponame, sizeof(rvbuf));
136 if (rvbuf[sizeof(rvbuf)-1])
137 die("cgit_repobasename: truncated repository name '%s'", reponame);
138 p = strlen(rvbuf)-1;
139 /* strip trailing slashes */
140 while (p && rvbuf[p] == '/') rvbuf[p--] = 0;
141 /* strip trailing .git */
142 if (p >= 3 && starts_with(&rvbuf[p-3], ".git")) {
143 p -= 3; rvbuf[p--] = 0;
144 }
145 /* strip more trailing slashes if any */
146 while ( p && rvbuf[p] == '/') rvbuf[p--] = 0;
147 /* find last slash in the remaining string */
148 rv = strrchr(rvbuf,'/');
149 if (rv)
150 return ++rv;
151 return rvbuf;
152}
153
154static void site_url(const char *page, const char *search, const char *sort, int ofs, int always_root)
155{
156 char *delim = "?";
157
158 if (always_root || page)
159 html_attr(cgit_rooturl());
160 else {
161 char *currenturl = cgit_currenturl();
162 html_attr(currenturl);
163 free(currenturl);
164 }
165
166 if (page) {
167 htmlf("?p=%s", page);
168 delim = "&";
169 }
170 if (search) {
171 html(delim);
172 html("q=");
173 html_attr(search);
174 delim = "&";
175 }
176 if (sort) {
177 html(delim);
178 html("s=");
179 html_attr(sort);
180 delim = "&";
181 }
182 if (ofs) {
183 html(delim);
184 htmlf("ofs=%d", ofs);
185 }
186}
187
188static void site_link(const char *page, const char *name, const char *title,
189 const char *class, const char *search, const char *sort, int ofs, int always_root)
190{
191 html("<a");
192 if (title) {
193 html(" title='");
194 html_attr(title);
195 html("'");
196 }
197 if (class) {
198 html(" class='");
199 html_attr(class);
200 html("'");
201 }
202 html(" href='");
203 site_url(page, search, sort, ofs, always_root);
204 html("'>");
205 html_txt(name);
206 html("</a>");
207}
208
209void cgit_index_link(const char *name, const char *title, const char *class,
210 const char *pattern, const char *sort, int ofs, int always_root)
211{
212 site_link(NULL, name, title, class, pattern, sort, ofs, always_root);
213}
214
215static char *repolink(const char *title, const char *class, const char *page,
216 const char *head, const char *path)
217{
218 char *delim = "?";
219
220 html("<a");
221 if (title) {
222 html(" title='");
223 html_attr(title);
224 html("'");
225 }
226 if (class) {
227 html(" class='");
228 html_attr(class);
229 html("'");
230 }
231 html(" href='");
232 if (ctx.cfg.virtual_root) {
233 html_url_path(ctx.cfg.virtual_root);
234 html_url_path(ctx.repo->url);
235 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
236 html("/");
237 if (page) {
238 html_url_path(page);
239 html("/");
240 if (path)
241 html_url_path(path);
242 }
243 } else {
244 html_url_path(ctx.cfg.script_name);
245 html("?url=");
246 html_url_arg(ctx.repo->url);
247 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
248 html("/");
249 if (page) {
250 html_url_arg(page);
251 html("/");
252 if (path)
253 html_url_arg(path);
254 }
255 delim = "&";
256 }
257 if (head && ctx.repo->defbranch && strcmp(head, ctx.repo->defbranch)) {
258 html(delim);
259 html("h=");
260 html_url_arg(head);
261 delim = "&";
262 }
263 return fmt("%s", delim);
264}
265
266static void reporevlink(const char *page, const char *name, const char *title,
267 const char *class, const char *head, const char *rev,
268 const char *path)
269{
270 char *delim;
271
272 delim = repolink(title, class, page, head, path);
273 if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
274 html(delim);
275 html("id=");
276 html_url_arg(rev);
277 }
278 html("'>");
279 html_txt(name);
280 html("</a>");
281}
282
283void cgit_summary_link(const char *name, const char *title, const char *class,
284 const char *head)
285{
286 reporevlink(NULL, name, title, class, head, NULL, NULL);
287}
288
289void cgit_tag_link(const char *name, const char *title, const char *class,
290 const char *tag)
291{
292 reporevlink("tag", name, title, class, tag, NULL, NULL);
293}
294
295void cgit_tree_link(const char *name, const char *title, const char *class,
296 const char *head, const char *rev, const char *path)
297{
298 reporevlink("tree", name, title, class, head, rev, path);
299}
300
301void cgit_plain_link(const char *name, const char *title, const char *class,
302 const char *head, const char *rev, const char *path)
303{
304 reporevlink("plain", name, title, class, head, rev, path);
305}
306
307void cgit_log_link(const char *name, const char *title, const char *class,
308 const char *head, const char *rev, const char *path,
309 int ofs, const char *grep, const char *pattern, int showmsg,
310 int follow)
311{
312 char *delim;
313
314 delim = repolink(title, class, "log", head, path);
315 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
316 html(delim);
317 html("id=");
318 html_url_arg(rev);
319 delim = "&";
320 }
321 if (grep && pattern) {
322 html(delim);
323 html("qt=");
324 html_url_arg(grep);
325 delim = "&";
326 html(delim);
327 html("q=");
328 html_url_arg(pattern);
329 }
330 if (ofs > 0) {
331 html(delim);
332 html("ofs=");
333 htmlf("%d", ofs);
334 delim = "&";
335 }
336 if (showmsg) {
337 html(delim);
338 html("showmsg=1");
339 delim = "&";
340 }
341 if (follow) {
342 html(delim);
343 html("follow=1");
344 }
345 html("'>");
346 html_txt(name);
347 html("</a>");
348}
349
350void cgit_commit_link(const char *name, const char *title, const char *class,
351 const char *head, const char *rev, const char *path)
352{
353 char *delim;
354
355 delim = repolink(title, class, "commit", head, path);
356 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
357 html(delim);
358 html("id=");
359 html_url_arg(rev);
360 delim = "&";
361 }
362 if (ctx.qry.difftype) {
363 html(delim);
364 htmlf("dt=%d", ctx.qry.difftype);
365 delim = "&";
366 }
367 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
368 html(delim);
369 html("context=");
370 htmlf("%d", ctx.qry.context);
371 delim = "&";
372 }
373 if (ctx.qry.ignorews) {
374 html(delim);
375 html("ignorews=1");
376 delim = "&";
377 }
378 if (ctx.qry.follow) {
379 html(delim);
380 html("follow=1");
381 }
382 html("'>");
383 if (name[0] != '\0') {
384 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
385 html_ntxt(name, ctx.cfg.max_msg_len - 3);
386 html("...");
387 } else
388 html_txt(name);
389 } else
390 html_txt("(no commit message)");
391 html("</a>");
392}
393
394void cgit_refs_link(const char *name, const char *title, const char *class,
395 const char *head, const char *rev, const char *path)
396{
397 reporevlink("refs", name, title, class, head, rev, path);
398}
399
400void cgit_snapshot_link(const char *name, const char *title, const char *class,
401 const char *head, const char *rev,
402 const char *archivename)
403{
404 reporevlink("snapshot", name, title, class, head, rev, archivename);
405}
406
407void cgit_diff_link(const char *name, const char *title, const char *class,
408 const char *head, const char *new_rev, const char *old_rev,
409 const char *path)
410{
411 char *delim;
412
413 delim = repolink(title, class, "diff", head, path);
414 if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
415 html(delim);
416 html("id=");
417 html_url_arg(new_rev);
418 delim = "&";
419 }
420 if (old_rev) {
421 html(delim);
422 html("id2=");
423 html_url_arg(old_rev);
424 delim = "&";
425 }
426 if (ctx.qry.difftype) {
427 html(delim);
428 htmlf("dt=%d", ctx.qry.difftype);
429 delim = "&";
430 }
431 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
432 html(delim);
433 html("context=");
434 htmlf("%d", ctx.qry.context);
435 delim = "&";
436 }
437 if (ctx.qry.ignorews) {
438 html(delim);
439 html("ignorews=1");
440 delim = "&";
441 }
442 if (ctx.qry.follow) {
443 html(delim);
444 html("follow=1");
445 }
446 html("'>");
447 html_txt(name);
448 html("</a>");
449}
450
451void cgit_patch_link(const char *name, const char *title, const char *class,
452 const char *head, const char *rev, const char *path)
453{
454 reporevlink("patch", name, title, class, head, rev, path);
455}
456
457void cgit_stats_link(const char *name, const char *title, const char *class,
458 const char *head, const char *path)
459{
460 reporevlink("stats", name, title, class, head, NULL, path);
461}
462
463static void cgit_self_link(char *name, const char *title, const char *class)
464{
465 if (!strcmp(ctx.qry.page, "repolist"))
466 cgit_index_link(name, title, class, ctx.qry.search, ctx.qry.sort,
467 ctx.qry.ofs, 1);
468 else if (!strcmp(ctx.qry.page, "summary"))
469 cgit_summary_link(name, title, class, ctx.qry.head);
470 else if (!strcmp(ctx.qry.page, "tag"))
471 cgit_tag_link(name, title, class, ctx.qry.has_sha1 ?
472 ctx.qry.sha1 : ctx.qry.head);
473 else if (!strcmp(ctx.qry.page, "tree"))
474 cgit_tree_link(name, title, class, ctx.qry.head,
475 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
476 ctx.qry.path);
477 else if (!strcmp(ctx.qry.page, "plain"))
478 cgit_plain_link(name, title, class, ctx.qry.head,
479 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
480 ctx.qry.path);
481 else if (!strcmp(ctx.qry.page, "log"))
482 cgit_log_link(name, title, class, ctx.qry.head,
483 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
484 ctx.qry.path, ctx.qry.ofs,
485 ctx.qry.grep, ctx.qry.search,
486 ctx.qry.showmsg, ctx.qry.follow);
487 else if (!strcmp(ctx.qry.page, "commit"))
488 cgit_commit_link(name, title, class, ctx.qry.head,
489 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
490 ctx.qry.path);
491 else if (!strcmp(ctx.qry.page, "patch"))
492 cgit_patch_link(name, title, class, ctx.qry.head,
493 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
494 ctx.qry.path);
495 else if (!strcmp(ctx.qry.page, "refs"))
496 cgit_refs_link(name, title, class, ctx.qry.head,
497 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
498 ctx.qry.path);
499 else if (!strcmp(ctx.qry.page, "snapshot"))
500 cgit_snapshot_link(name, title, class, ctx.qry.head,
501 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
502 ctx.qry.path);
503 else if (!strcmp(ctx.qry.page, "diff"))
504 cgit_diff_link(name, title, class, ctx.qry.head,
505 ctx.qry.sha1, ctx.qry.sha2,
506 ctx.qry.path);
507 else if (!strcmp(ctx.qry.page, "stats"))
508 cgit_stats_link(name, title, class, ctx.qry.head,
509 ctx.qry.path);
510 else {
511 /* Don't known how to make link for this page */
512 repolink(title, class, ctx.qry.page, ctx.qry.head, ctx.qry.path);
513 html("><!-- cgit_self_link() doesn't know how to make link for page '");
514 html_txt(ctx.qry.page);
515 html("' -->");
516 html_txt(name);
517 html("</a>");
518 }
519}
520
521void cgit_object_link(struct object *obj)
522{
523 char *page, *shortrev, *fullrev, *name;
524
525 fullrev = oid_to_hex(&obj->oid);
526 shortrev = xstrdup(fullrev);
527 shortrev[10] = '\0';
528 if (obj->type == OBJ_COMMIT) {
529 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
530 ctx.qry.head, fullrev, NULL);
531 return;
532 } else if (obj->type == OBJ_TREE)
533 page = "tree";
534 else if (obj->type == OBJ_TAG)
535 page = "tag";
536 else
537 page = "blob";
538 name = fmt("%s %s...", typename(obj->type), shortrev);
539 reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
540}
541
542static struct string_list_item *lookup_path(struct string_list *list,
543 const char *path)
544{
545 struct string_list_item *item;
546
547 while (path && path[0]) {
548 if ((item = string_list_lookup(list, path)))
549 return item;
550 if (!(path = strchr(path, '/')))
551 break;
552 path++;
553 }
554 return NULL;
555}
556
557void cgit_submodule_link(const char *class, char *path, const char *rev)
558{
559 struct string_list *list;
560 struct string_list_item *item;
561 char tail, *dir;
562 size_t len;
563
564 len = 0;
565 tail = 0;
566 list = &ctx.repo->submodules;
567 item = lookup_path(list, path);
568 if (!item) {
569 len = strlen(path);
570 tail = path[len - 1];
571 if (tail == '/') {
572 path[len - 1] = 0;
573 item = lookup_path(list, path);
574 }
575 }
576 if (item || ctx.repo->module_link) {
577 html("<a ");
578 if (class)
579 htmlf("class='%s' ", class);
580 html("href='");
581 if (item) {
582 html_attrf(item->util, rev);
583 } else {
584 dir = strrchr(path, '/');
585 if (dir)
586 dir++;
587 else
588 dir = path;
589 html_attrf(ctx.repo->module_link, dir, rev);
590 }
591 html("'>");
592 html_txt(path);
593 html("</a>");
594 } else {
595 html("<span");
596 if (class)
597 htmlf(" class='%s'", class);
598 html(">");
599 html_txt(path);
600 html("</span>");
601 }
602 html_txtf(" @ %.7s", rev);
603 if (item && tail)
604 path[len - 1] = tail;
605}
606
607const struct date_mode *cgit_date_mode(enum date_mode_type type)
608{
609 static struct date_mode mode;
610 mode.type = type;
611 mode.local = ctx.cfg.local_time;
612 return &mode;
613}
614
615static void print_rel_date(time_t t, int tz, double value,
616 const char *class, const char *suffix)
617{
618 htmlf("<span class='%s' title='", class);
619 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
620 htmlf("'>%.0f %s</span>", value, suffix);
621}
622
623void cgit_print_age(time_t t, int tz, time_t max_relative)
624{
625 time_t now, secs;
626
627 if (!t)
628 return;
629 time(&now);
630 secs = now - t;
631 if (secs < 0)
632 secs = 0;
633
634 if (secs > max_relative && max_relative >= 0) {
635 html("<span title='");
636 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
637 html("'>");
638 html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));
639 html("</span>");
640 return;
641 }
642
643 if (secs < TM_HOUR * 2) {
644 print_rel_date(t, tz, secs * 1.0 / TM_MIN, "age-mins", "min.");
645 return;
646 }
647 if (secs < TM_DAY * 2) {
648 print_rel_date(t, tz, secs * 1.0 / TM_HOUR, "age-hours", "hours");
649 return;
650 }
651 if (secs < TM_WEEK * 2) {
652 print_rel_date(t, tz, secs * 1.0 / TM_DAY, "age-days", "days");
653 return;
654 }
655 if (secs < TM_MONTH * 2) {
656 print_rel_date(t, tz, secs * 1.0 / TM_WEEK, "age-weeks", "weeks");
657 return;
658 }
659 if (secs < TM_YEAR * 2) {
660 print_rel_date(t, tz, secs * 1.0 / TM_MONTH, "age-months", "months");
661 return;
662 }
663 print_rel_date(t, tz, secs * 1.0 / TM_YEAR, "age-years", "years");
664}
665
666void cgit_print_http_headers(void)
667{
668 if (ctx.env.no_http && !strcmp(ctx.env.no_http, "1"))
669 return;
670
671 if (ctx.page.status)
672 htmlf("Status: %d %s\n", ctx.page.status, ctx.page.statusmsg);
673 if (ctx.page.mimetype && ctx.page.charset)
674 htmlf("Content-Type: %s; charset=%s\n", ctx.page.mimetype,
675 ctx.page.charset);
676 else if (ctx.page.mimetype)
677 htmlf("Content-Type: %s\n", ctx.page.mimetype);
678 if (ctx.page.size)
679 htmlf("Content-Length: %zd\n", ctx.page.size);
680 if (ctx.page.filename) {
681 html("Content-Disposition: inline; filename=\"");
682 html_header_arg_in_quotes(ctx.page.filename);
683 html("\"\n");
684 }
685 if (!ctx.env.authenticated)
686 html("Cache-Control: no-cache, no-store\n");
687 htmlf("Last-Modified: %s\n", http_date(ctx.page.modified));
688 htmlf("Expires: %s\n", http_date(ctx.page.expires));
689 if (ctx.page.etag)
690 htmlf("ETag: \"%s\"\n", ctx.page.etag);
691 html("\n");
692 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
693 exit(0);
694}
695
696void cgit_redirect(const char *url, bool permanent)
697{
698 htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
699 html("Location: ");
700 html_url_path(url);
701 html("\n\n");
702}
703
704static void print_rel_vcs_link(const char *url)
705{
706 html("<link rel='vcs-git' href='");
707 html_attr(url);
708 html("' title='");
709 html_attr(ctx.repo->name);
710 html(" Git repository'/>\n");
711}
712
713void cgit_print_docstart(void)
714{
715 char *host = cgit_hosturl();
716
717 if (ctx.cfg.embedded) {
718 if (ctx.cfg.header)
719 html_include(ctx.cfg.header);
720 return;
721 }
722
723 html(cgit_doctype);
724 html("<html lang='en'>\n");
725 html("<head>\n");
726 html("<title>");
727 html_txt(ctx.page.title);
728 html("</title>\n");
729 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
730 if (ctx.cfg.robots && *ctx.cfg.robots)
731 htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
732 html("<link rel='stylesheet' type='text/css' href='");
733 html_attr(ctx.cfg.css);
734 html("'/>\n");
735 if (ctx.cfg.favicon) {
736 html("<link rel='shortcut icon' href='");
737 html_attr(ctx.cfg.favicon);
738 html("'/>\n");
739 }
740 if (host && ctx.repo && ctx.qry.head) {
741 char *fileurl;
742 struct strbuf sb = STRBUF_INIT;
743 strbuf_addf(&sb, "h=%s", ctx.qry.head);
744
745 html("<link rel='alternate' title='Atom feed' href='");
746 html(cgit_httpscheme());
747 html_attr(host);
748 fileurl = cgit_fileurl(ctx.repo->url, "atom", ctx.qry.vpath,
749 sb.buf);
750 html_attr(fileurl);
751 html("' type='application/atom+xml'/>\n");
752 strbuf_release(&sb);
753 free(fileurl);
754 }
755 if (ctx.repo)
756 cgit_add_clone_urls(print_rel_vcs_link);
757 if (ctx.cfg.head_include)
758 html_include(ctx.cfg.head_include);
759 html("</head>\n");
760 html("<body>\n");
761 if (ctx.cfg.header)
762 html_include(ctx.cfg.header);
763 free(host);
764}
765
766void cgit_print_docend(void)
767{
768 html("</div> <!-- class=content -->\n");
769 if (ctx.cfg.embedded) {
770 html("</div> <!-- id=cgit -->\n");
771 if (ctx.cfg.footer)
772 html_include(ctx.cfg.footer);
773 return;
774 }
775 if (ctx.cfg.footer)
776 html_include(ctx.cfg.footer);
777 else {
778 htmlf("<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit %s</a> at ",
779 cgit_version);
780 html_txt(show_date(time(NULL), 0, cgit_date_mode(DATE_ISO8601)));
781 html("</div>\n");
782 }
783 html("</div> <!-- id=cgit -->\n");
784 html("</body>\n</html>\n");
785}
786
787void cgit_print_error_page(int code, const char *msg, const char *fmt, ...)
788{
789 va_list ap;
790 ctx.page.expires = ctx.cfg.cache_dynamic_ttl;
791 ctx.page.status = code;
792 ctx.page.statusmsg = msg;
793 cgit_print_layout_start();
794 va_start(ap, fmt);
795 cgit_vprint_error(fmt, ap);
796 va_end(ap);
797 cgit_print_layout_end();
798}
799
800void cgit_print_layout_start(void)
801{
802 cgit_print_http_headers();
803 cgit_print_docstart();
804 cgit_print_pageheader();
805}
806
807void cgit_print_layout_end(void)
808{
809 cgit_print_docend();
810}
811
812static void add_clone_urls(void (*fn)(const char *), char *txt, char *suffix)
813{
814 struct strbuf **url_list = strbuf_split_str(txt, ' ', 0);
815 int i;
816
817 for (i = 0; url_list[i]; i++) {
818 strbuf_rtrim(url_list[i]);
819 if (url_list[i]->len == 0)
820 continue;
821 if (suffix && *suffix)
822 strbuf_addf(url_list[i], "/%s", suffix);
823 fn(url_list[i]->buf);
824 }
825
826 strbuf_list_free(url_list);
827}
828
829void cgit_add_clone_urls(void (*fn)(const char *))
830{
831 if (ctx.repo->clone_url)
832 add_clone_urls(fn, expand_macros(ctx.repo->clone_url), NULL);
833 else if (ctx.cfg.clone_prefix)
834 add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
835}
836
837static int print_branch_option(const char *refname, const struct object_id *oid,
838 int flags, void *cb_data)
839{
840 char *name = (char *)refname;
841 html_option(name, name, ctx.qry.head);
842 return 0;
843}
844
845void cgit_add_hidden_formfields(int incl_head, int incl_search,
846 const char *page)
847{
848 if (!ctx.cfg.virtual_root) {
849 struct strbuf url = STRBUF_INIT;
850
851 strbuf_addf(&url, "%s/%s", ctx.qry.repo, page);
852 if (ctx.qry.vpath)
853 strbuf_addf(&url, "/%s", ctx.qry.vpath);
854 html_hidden("url", url.buf);
855 strbuf_release(&url);
856 }
857
858 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
859 strcmp(ctx.qry.head, ctx.repo->defbranch))
860 html_hidden("h", ctx.qry.head);
861
862 if (ctx.qry.sha1)
863 html_hidden("id", ctx.qry.sha1);
864 if (ctx.qry.sha2)
865 html_hidden("id2", ctx.qry.sha2);
866 if (ctx.qry.showmsg)
867 html_hidden("showmsg", "1");
868
869 if (incl_search) {
870 if (ctx.qry.grep)
871 html_hidden("qt", ctx.qry.grep);
872 if (ctx.qry.search)
873 html_hidden("q", ctx.qry.search);
874 }
875}
876
877static const char *hc(const char *page)
878{
879 if (!ctx.qry.page)
880 return NULL;
881
882 return strcmp(ctx.qry.page, page) ? NULL : "active";
883}
884
885static void cgit_print_path_crumbs(char *path)
886{
887 char *old_path = ctx.qry.path;
888 char *p = path, *q, *end = path + strlen(path);
889
890 ctx.qry.path = NULL;
891 cgit_self_link("root", NULL, NULL);
892 ctx.qry.path = p = path;
893 while (p < end) {
894 if (!(q = strchr(p, '/')))
895 q = end;
896 *q = '\0';
897 html_txt("/");
898 cgit_self_link(p, NULL, NULL);
899 if (q < end)
900 *q = '/';
901 p = q + 1;
902 }
903 ctx.qry.path = old_path;
904}
905
906static void print_header(void)
907{
908 char *logo = NULL, *logo_link = NULL;
909
910 html("<table id='header'>\n");
911 html("<tr>\n");
912
913 if (ctx.repo && ctx.repo->logo && *ctx.repo->logo)
914 logo = ctx.repo->logo;
915 else
916 logo = ctx.cfg.logo;
917 if (ctx.repo && ctx.repo->logo_link && *ctx.repo->logo_link)
918 logo_link = ctx.repo->logo_link;
919 else
920 logo_link = ctx.cfg.logo_link;
921 if (logo && *logo) {
922 html("<td class='logo' rowspan='2'><a href='");
923 if (logo_link && *logo_link)
924 html_attr(logo_link);
925 else
926 html_attr(cgit_rooturl());
927 html("'><img src='");
928 html_attr(logo);
929 html("' alt='cgit logo'/></a></td>\n");
930 }
931
932 html("<td class='main'>");
933 if (ctx.repo) {
934 cgit_index_link("index", NULL, NULL, NULL, NULL, 0, 1);
935 html(" : ");
936 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
937 if (ctx.env.authenticated) {
938 html("</td><td class='form'>");
939 html("<form method='get'>\n");
940 cgit_add_hidden_formfields(0, 1, ctx.qry.page);
941 html("<select name='h' onchange='this.form.submit();'>\n");
942 for_each_branch_ref(print_branch_option, ctx.qry.head);
943 if (ctx.repo->enable_remote_branches)
944 for_each_remote_ref(print_branch_option, ctx.qry.head);
945 html("</select> ");
946 html("<input type='submit' value='switch'/>");
947 html("</form>");
948 }
949 } else
950 html_txt(ctx.cfg.root_title);
951 html("</td></tr>\n");
952
953 html("<tr><td class='sub'>");
954 if (ctx.repo) {
955 html_txt(ctx.repo->desc);
956 html("</td><td class='sub right'>");
957 html_txt(ctx.repo->owner);
958 } else {
959 if (ctx.cfg.root_desc)
960 html_txt(ctx.cfg.root_desc);
961 else if (ctx.cfg.index_info)
962 html_include(ctx.cfg.index_info);
963 }
964 html("</td></tr></table>\n");
965}
966
967void cgit_print_pageheader(void)
968{
969 html("<div id='cgit'>");
970 if (!ctx.env.authenticated || !ctx.cfg.noheader)
971 print_header();
972
973 html("<table class='tabs'><tr><td>\n");
974 if (ctx.env.authenticated && ctx.repo) {
975 if (ctx.repo->readme.nr)
976 reporevlink("about", "about", NULL,
977 hc("about"), ctx.qry.head, NULL,
978 NULL);
979 cgit_summary_link("summary", NULL, hc("summary"),
980 ctx.qry.head);
981 cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
982 ctx.qry.sha1, NULL);
983 cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
984 NULL, ctx.qry.vpath, 0, NULL, NULL,
985 ctx.qry.showmsg, ctx.qry.follow);
986 cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
987 ctx.qry.sha1, ctx.qry.vpath);
988 cgit_commit_link("commit", NULL, hc("commit"),
989 ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
990 cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
991 ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
992 if (ctx.repo->max_stats)
993 cgit_stats_link("stats", NULL, hc("stats"),
994 ctx.qry.head, ctx.qry.vpath);
995 if (ctx.repo->homepage) {
996 html("<a href='");
997 html_attr(ctx.repo->homepage);
998 html("'>homepage</a>");
999 }
1000 html("</td><td class='form'>");
1001 html("<form class='right' method='get' action='");
1002 if (ctx.cfg.virtual_root) {
1003 char *fileurl = cgit_fileurl(ctx.qry.repo, "log",
1004 ctx.qry.vpath, NULL);
1005 html_url_path(fileurl);
1006 free(fileurl);
1007 }
1008 html("'>\n");
1009 cgit_add_hidden_formfields(1, 0, "log");
1010 html("<select name='qt'>\n");
1011 html_option("grep", "log msg", ctx.qry.grep);
1012 html_option("author", "author", ctx.qry.grep);
1013 html_option("committer", "committer", ctx.qry.grep);
1014 html_option("range", "range", ctx.qry.grep);
1015 html("</select>\n");
1016 html("<input class='txt' type='text' size='10' name='q' value='");
1017 html_attr(ctx.qry.search);
1018 html("'/>\n");
1019 html("<input type='submit' value='search'/>\n");
1020 html("</form>\n");
1021 } else if (ctx.env.authenticated) {
1022 char *currenturl = cgit_currenturl();
1023 site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0, 1);
1024 if (ctx.cfg.root_readme)
1025 site_link("about", "about", NULL, hc("about"),
1026 NULL, NULL, 0, 1);
1027 html("</td><td class='form'>");
1028 html("<form method='get' action='");
1029 html_attr(currenturl);
1030 html("'>\n");
1031 html("<input type='text' name='q' size='10' value='");
1032 html_attr(ctx.qry.search);
1033 html("'/>\n");
1034 html("<input type='submit' value='search'/>\n");
1035 html("</form>");
1036 free(currenturl);
1037 }
1038 html("</td></tr></table>\n");
1039 if (ctx.env.authenticated && ctx.repo && ctx.qry.vpath) {
1040 html("<div class='path'>");
1041 html("path: ");
1042 cgit_print_path_crumbs(ctx.qry.vpath);
1043 if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
1044 html(" (");
1045 ctx.qry.follow = !ctx.qry.follow;
1046 cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
1047 NULL, NULL);
1048 ctx.qry.follow = !ctx.qry.follow;
1049 html(")");
1050 }
1051 html("</div>");
1052 }
1053 html("<div class='content'>");
1054}
1055
1056void cgit_print_filemode(unsigned short mode)
1057{
1058 if (S_ISDIR(mode))
1059 html("d");
1060 else if (S_ISLNK(mode))
1061 html("l");
1062 else if (S_ISGITLINK(mode))
1063 html("m");
1064 else
1065 html("-");
1066 html_fileperm(mode >> 6);
1067 html_fileperm(mode >> 3);
1068 html_fileperm(mode);
1069}
1070
1071void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
1072 const char *ref)
1073{
1074 struct object_id oid;
1075
1076 /*
1077 * Prettify snapshot names by stripping leading "v" or "V" if the tag
1078 * name starts with {v,V}[0-9] and the prettify mapping is injective,
1079 * i.e. each stripped tag can be inverted without ambiguities.
1080 */
1081 if (get_oid(fmt("refs/tags/%s", ref), &oid) == 0 &&
1082 (ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]) &&
1083 ((get_oid(fmt("refs/tags/%s", ref + 1), &oid) == 0) +
1084 (get_oid(fmt("refs/tags/v%s", ref + 1), &oid) == 0) +
1085 (get_oid(fmt("refs/tags/V%s", ref + 1), &oid) == 0) == 1))
1086 ref++;
1087
1088 strbuf_addf(filename, "%s-%s", base, ref);
1089}
1090
1091void cgit_print_snapshot_links(const char *repo, const char *head,
1092 const char *hex, int snapshots)
1093{
1094 const struct cgit_snapshot_format* f;
1095 struct strbuf filename = STRBUF_INIT;
1096 size_t prefixlen;
1097
1098 cgit_compose_snapshot_prefix(&filename, cgit_repobasename(repo), hex);
1099 prefixlen = filename.len;
1100 for (f = cgit_snapshot_formats; f->suffix; f++) {
1101 if (!(snapshots & f->bit))
1102 continue;
1103 strbuf_setlen(&filename, prefixlen);
1104 strbuf_addstr(&filename, f->suffix);
1105 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL,
1106 filename.buf);
1107 html("<br/>");
1108 }
1109 strbuf_release(&filename);
1110}
1111
1112void cgit_set_title_from_path(const char *path)
1113{
1114 size_t path_len, path_index, path_last_end;
1115 char *new_title;
1116
1117 if (!path)
1118 return;
1119
1120 path_len = strlen(path);
1121 new_title = xmalloc(path_len + 3 + strlen(ctx.page.title) + 1);
1122 new_title[0] = '\0';
1123
1124 for (path_index = path_len, path_last_end = path_len; path_index-- > 0;) {
1125 if (path[path_index] == '/') {
1126 if (path_index == path_len - 1) {
1127 path_last_end = path_index - 1;
1128 continue;
1129 }
1130 strncat(new_title, &path[path_index + 1], path_last_end - path_index - 1);
1131 strcat(new_title, "\\");
1132 path_last_end = path_index;
1133 }
1134 }
1135 if (path_last_end)
1136 strncat(new_title, path, path_last_end);
1137
1138 strcat(new_title, " - ");
1139 strcat(new_title, ctx.page.title);
1140 ctx.page.title = new_title;
1141}