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 size_t len;
137
138 len = strlcpy(rvbuf, reponame, sizeof(rvbuf));
139 if (len >= sizeof(rvbuf))
140 die("cgit_repobasename: truncated repository name '%s'", reponame);
141 p = len - 1;
142 /* strip trailing slashes */
143 while (p && rvbuf[p] == '/')
144 rvbuf[p--] = '\0';
145 /* strip trailing .git */
146 if (p >= 3 && starts_with(&rvbuf[p-3], ".git")) {
147 p -= 3;
148 rvbuf[p--] = '\0';
149 }
150 /* strip more trailing slashes if any */
151 while (p && rvbuf[p] == '/')
152 rvbuf[p--] = '\0';
153 /* find last slash in the remaining string */
154 rv = strrchr(rvbuf, '/');
155 if (rv)
156 return ++rv;
157 return rvbuf;
158}
159
160const char *cgit_snapshot_prefix(const struct cgit_repo *repo)
161{
162 if (repo->snapshot_prefix)
163 return repo->snapshot_prefix;
164
165 return cgit_repobasename(repo->url);
166}
167
168static void site_url(const char *page, const char *search, const char *sort, int ofs, int always_root)
169{
170 char *delim = "?";
171
172 if (always_root || page)
173 html_attr(cgit_rooturl());
174 else {
175 char *currenturl = cgit_currenturl();
176 html_attr(currenturl);
177 free(currenturl);
178 }
179
180 if (page) {
181 htmlf("?p=%s", page);
182 delim = "&";
183 }
184 if (search) {
185 html(delim);
186 html("q=");
187 html_attr(search);
188 delim = "&";
189 }
190 if (sort) {
191 html(delim);
192 html("s=");
193 html_attr(sort);
194 delim = "&";
195 }
196 if (ofs) {
197 html(delim);
198 htmlf("ofs=%d", ofs);
199 }
200}
201
202static void site_link(const char *page, const char *name, const char *title,
203 const char *class, const char *search, const char *sort, int ofs, int always_root)
204{
205 html("<a");
206 if (title) {
207 html(" title='");
208 html_attr(title);
209 html("'");
210 }
211 if (class) {
212 html(" class='");
213 html_attr(class);
214 html("'");
215 }
216 html(" href='");
217 site_url(page, search, sort, ofs, always_root);
218 html("'>");
219 html_txt(name);
220 html("</a>");
221}
222
223void cgit_index_link(const char *name, const char *title, const char *class,
224 const char *pattern, const char *sort, int ofs, int always_root)
225{
226 site_link(NULL, name, title, class, pattern, sort, ofs, always_root);
227}
228
229static char *repolink(const char *title, const char *class, const char *page,
230 const char *head, const char *path)
231{
232 char *delim = "?";
233
234 html("<a");
235 if (title) {
236 html(" title='");
237 html_attr(title);
238 html("'");
239 }
240 if (class) {
241 html(" class='");
242 html_attr(class);
243 html("'");
244 }
245 html(" href='");
246 if (ctx.cfg.virtual_root) {
247 html_url_path(ctx.cfg.virtual_root);
248 html_url_path(ctx.repo->url);
249 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
250 html("/");
251 if (page) {
252 html_url_path(page);
253 html("/");
254 if (path)
255 html_url_path(path);
256 }
257 } else {
258 html_url_path(ctx.cfg.script_name);
259 html("?url=");
260 html_url_arg(ctx.repo->url);
261 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
262 html("/");
263 if (page) {
264 html_url_arg(page);
265 html("/");
266 if (path)
267 html_url_arg(path);
268 }
269 delim = "&";
270 }
271 if (head && ctx.repo->defbranch && strcmp(head, ctx.repo->defbranch)) {
272 html(delim);
273 html("h=");
274 html_url_arg(head);
275 delim = "&";
276 }
277 return fmt("%s", delim);
278}
279
280static void reporevlink(const char *page, const char *name, const char *title,
281 const char *class, const char *head, const char *rev,
282 const char *path)
283{
284 char *delim;
285
286 delim = repolink(title, class, page, head, path);
287 if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
288 html(delim);
289 html("id=");
290 html_url_arg(rev);
291 }
292 html("'>");
293 html_txt(name);
294 html("</a>");
295}
296
297void cgit_summary_link(const char *name, const char *title, const char *class,
298 const char *head)
299{
300 reporevlink(NULL, name, title, class, head, NULL, NULL);
301}
302
303void cgit_tag_link(const char *name, const char *title, const char *class,
304 const char *tag)
305{
306 reporevlink("tag", name, title, class, tag, NULL, NULL);
307}
308
309void cgit_tree_link(const char *name, const char *title, const char *class,
310 const char *head, const char *rev, const char *path)
311{
312 reporevlink("tree", name, title, class, head, rev, path);
313}
314
315void cgit_plain_link(const char *name, const char *title, const char *class,
316 const char *head, const char *rev, const char *path)
317{
318 reporevlink("plain", name, title, class, head, rev, path);
319}
320
321void cgit_blame_link(const char *name, const char *title, const char *class,
322 const char *head, const char *rev, const char *path)
323{
324 reporevlink("blame", name, title, class, head, rev, path);
325}
326
327void cgit_log_link(const char *name, const char *title, const char *class,
328 const char *head, const char *rev, const char *path,
329 int ofs, const char *grep, const char *pattern, int showmsg,
330 int follow)
331{
332 char *delim;
333
334 delim = repolink(title, class, "log", head, path);
335 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
336 html(delim);
337 html("id=");
338 html_url_arg(rev);
339 delim = "&";
340 }
341 if (grep && pattern) {
342 html(delim);
343 html("qt=");
344 html_url_arg(grep);
345 delim = "&";
346 html(delim);
347 html("q=");
348 html_url_arg(pattern);
349 }
350 if (ofs > 0) {
351 html(delim);
352 html("ofs=");
353 htmlf("%d", ofs);
354 delim = "&";
355 }
356 if (showmsg) {
357 html(delim);
358 html("showmsg=1");
359 delim = "&";
360 }
361 if (follow) {
362 html(delim);
363 html("follow=1");
364 }
365 html("'>");
366 html_txt(name);
367 html("</a>");
368}
369
370void cgit_commit_link(const char *name, const char *title, const char *class,
371 const char *head, const char *rev, const char *path)
372{
373 char *delim;
374
375 delim = repolink(title, class, "commit", head, path);
376 if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
377 html(delim);
378 html("id=");
379 html_url_arg(rev);
380 delim = "&";
381 }
382 if (ctx.qry.difftype) {
383 html(delim);
384 htmlf("dt=%d", ctx.qry.difftype);
385 delim = "&";
386 }
387 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
388 html(delim);
389 html("context=");
390 htmlf("%d", ctx.qry.context);
391 delim = "&";
392 }
393 if (ctx.qry.ignorews) {
394 html(delim);
395 html("ignorews=1");
396 delim = "&";
397 }
398 if (ctx.qry.follow) {
399 html(delim);
400 html("follow=1");
401 }
402 html("'>");
403 if (name[0] != '\0') {
404 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
405 html_ntxt(name, ctx.cfg.max_msg_len - 3);
406 html("...");
407 } else
408 html_txt(name);
409 } else
410 html_txt("(no commit message)");
411 html("</a>");
412}
413
414void cgit_refs_link(const char *name, const char *title, const char *class,
415 const char *head, const char *rev, const char *path)
416{
417 reporevlink("refs", name, title, class, head, rev, path);
418}
419
420void cgit_snapshot_link(const char *name, const char *title, const char *class,
421 const char *head, const char *rev,
422 const char *archivename)
423{
424 reporevlink("snapshot", name, title, class, head, rev, archivename);
425}
426
427void cgit_diff_link(const char *name, const char *title, const char *class,
428 const char *head, const char *new_rev, const char *old_rev,
429 const char *path)
430{
431 char *delim;
432
433 delim = repolink(title, class, "diff", head, path);
434 if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
435 html(delim);
436 html("id=");
437 html_url_arg(new_rev);
438 delim = "&";
439 }
440 if (old_rev) {
441 html(delim);
442 html("id2=");
443 html_url_arg(old_rev);
444 delim = "&";
445 }
446 if (ctx.qry.difftype) {
447 html(delim);
448 htmlf("dt=%d", ctx.qry.difftype);
449 delim = "&";
450 }
451 if (ctx.qry.context > 0 && ctx.qry.context != 3) {
452 html(delim);
453 html("context=");
454 htmlf("%d", ctx.qry.context);
455 delim = "&";
456 }
457 if (ctx.qry.ignorews) {
458 html(delim);
459 html("ignorews=1");
460 delim = "&";
461 }
462 if (ctx.qry.follow) {
463 html(delim);
464 html("follow=1");
465 }
466 html("'>");
467 html_txt(name);
468 html("</a>");
469}
470
471void cgit_patch_link(const char *name, const char *title, const char *class,
472 const char *head, const char *rev, const char *path)
473{
474 reporevlink("patch", name, title, class, head, rev, path);
475}
476
477void cgit_stats_link(const char *name, const char *title, const char *class,
478 const char *head, const char *path)
479{
480 reporevlink("stats", name, title, class, head, NULL, path);
481}
482
483static void cgit_self_link(char *name, const char *title, const char *class)
484{
485 if (!strcmp(ctx.qry.page, "repolist"))
486 cgit_index_link(name, title, class, ctx.qry.search, ctx.qry.sort,
487 ctx.qry.ofs, 1);
488 else if (!strcmp(ctx.qry.page, "summary"))
489 cgit_summary_link(name, title, class, ctx.qry.head);
490 else if (!strcmp(ctx.qry.page, "tag"))
491 cgit_tag_link(name, title, class, ctx.qry.has_sha1 ?
492 ctx.qry.sha1 : ctx.qry.head);
493 else if (!strcmp(ctx.qry.page, "tree"))
494 cgit_tree_link(name, title, class, ctx.qry.head,
495 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
496 ctx.qry.path);
497 else if (!strcmp(ctx.qry.page, "plain"))
498 cgit_plain_link(name, title, class, ctx.qry.head,
499 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
500 ctx.qry.path);
501 else if (!strcmp(ctx.qry.page, "blame"))
502 cgit_blame_link(name, title, class, ctx.qry.head,
503 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
504 ctx.qry.path);
505 else if (!strcmp(ctx.qry.page, "log"))
506 cgit_log_link(name, title, class, ctx.qry.head,
507 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
508 ctx.qry.path, ctx.qry.ofs,
509 ctx.qry.grep, ctx.qry.search,
510 ctx.qry.showmsg, ctx.qry.follow);
511 else if (!strcmp(ctx.qry.page, "commit"))
512 cgit_commit_link(name, title, class, ctx.qry.head,
513 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
514 ctx.qry.path);
515 else if (!strcmp(ctx.qry.page, "patch"))
516 cgit_patch_link(name, title, class, ctx.qry.head,
517 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
518 ctx.qry.path);
519 else if (!strcmp(ctx.qry.page, "refs"))
520 cgit_refs_link(name, title, class, ctx.qry.head,
521 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
522 ctx.qry.path);
523 else if (!strcmp(ctx.qry.page, "snapshot"))
524 cgit_snapshot_link(name, title, class, ctx.qry.head,
525 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
526 ctx.qry.path);
527 else if (!strcmp(ctx.qry.page, "diff"))
528 cgit_diff_link(name, title, class, ctx.qry.head,
529 ctx.qry.sha1, ctx.qry.sha2,
530 ctx.qry.path);
531 else if (!strcmp(ctx.qry.page, "stats"))
532 cgit_stats_link(name, title, class, ctx.qry.head,
533 ctx.qry.path);
534 else {
535 /* Don't known how to make link for this page */
536 repolink(title, class, ctx.qry.page, ctx.qry.head, ctx.qry.path);
537 html("><!-- cgit_self_link() doesn't know how to make link for page '");
538 html_txt(ctx.qry.page);
539 html("' -->");
540 html_txt(name);
541 html("</a>");
542 }
543}
544
545void cgit_object_link(struct object *obj)
546{
547 char *page, *shortrev, *fullrev, *name;
548
549 fullrev = oid_to_hex(&obj->oid);
550 shortrev = xstrdup(fullrev);
551 shortrev[10] = '\0';
552 if (obj->type == OBJ_COMMIT) {
553 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
554 ctx.qry.head, fullrev, NULL);
555 return;
556 } else if (obj->type == OBJ_TREE)
557 page = "tree";
558 else if (obj->type == OBJ_TAG)
559 page = "tag";
560 else
561 page = "blob";
562 name = fmt("%s %s...", type_name(obj->type), shortrev);
563 reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
564}
565
566static struct string_list_item *lookup_path(struct string_list *list,
567 const char *path)
568{
569 struct string_list_item *item;
570
571 while (path && path[0]) {
572 if ((item = string_list_lookup(list, path)))
573 return item;
574 if (!(path = strchr(path, '/')))
575 break;
576 path++;
577 }
578 return NULL;
579}
580
581void cgit_submodule_link(const char *class, char *path, const char *rev)
582{
583 struct string_list *list;
584 struct string_list_item *item;
585 char tail, *dir;
586 size_t len;
587
588 len = 0;
589 tail = 0;
590 list = &ctx.repo->submodules;
591 item = lookup_path(list, path);
592 if (!item) {
593 len = strlen(path);
594 tail = path[len - 1];
595 if (tail == '/') {
596 path[len - 1] = 0;
597 item = lookup_path(list, path);
598 }
599 }
600 if (item || ctx.repo->module_link) {
601 html("<a ");
602 if (class)
603 htmlf("class='%s' ", class);
604 html("href='");
605 if (item) {
606 html_attrf(item->util, rev);
607 } else {
608 dir = strrchr(path, '/');
609 if (dir)
610 dir++;
611 else
612 dir = path;
613 html_attrf(ctx.repo->module_link, dir, rev);
614 }
615 html("'>");
616 html_txt(path);
617 html("</a>");
618 } else {
619 html("<span");
620 if (class)
621 htmlf(" class='%s'", class);
622 html(">");
623 html_txt(path);
624 html("</span>");
625 }
626 html_txtf(" @ %.7s", rev);
627 if (item && tail)
628 path[len - 1] = tail;
629}
630
631const struct date_mode *cgit_date_mode(enum date_mode_type type)
632{
633 static struct date_mode mode;
634 mode.type = type;
635 mode.local = ctx.cfg.local_time;
636 return &mode;
637}
638
639static void print_rel_date(time_t t, int tz, double value,
640 const char *class, const char *suffix)
641{
642 htmlf("<span class='%s' title='", class);
643 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
644 htmlf("'>%.0f %s</span>", value, suffix);
645}
646
647void cgit_print_age(time_t t, int tz, time_t max_relative)
648{
649 time_t now, secs;
650
651 if (!t)
652 return;
653 time(&now);
654 secs = now - t;
655 if (secs < 0)
656 secs = 0;
657
658 if (secs > max_relative && max_relative >= 0) {
659 html("<span title='");
660 html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
661 html("'>");
662 html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));
663 html("</span>");
664 return;
665 }
666
667 if (secs < TM_HOUR * 2) {
668 print_rel_date(t, tz, secs * 1.0 / TM_MIN, "age-mins", "min.");
669 return;
670 }
671 if (secs < TM_DAY * 2) {
672 print_rel_date(t, tz, secs * 1.0 / TM_HOUR, "age-hours", "hours");
673 return;
674 }
675 if (secs < TM_WEEK * 2) {
676 print_rel_date(t, tz, secs * 1.0 / TM_DAY, "age-days", "days");
677 return;
678 }
679 if (secs < TM_MONTH * 2) {
680 print_rel_date(t, tz, secs * 1.0 / TM_WEEK, "age-weeks", "weeks");
681 return;
682 }
683 if (secs < TM_YEAR * 2) {
684 print_rel_date(t, tz, secs * 1.0 / TM_MONTH, "age-months", "months");
685 return;
686 }
687 print_rel_date(t, tz, secs * 1.0 / TM_YEAR, "age-years", "years");
688}
689
690void cgit_print_http_headers(void)
691{
692 if (ctx.env.no_http && !strcmp(ctx.env.no_http, "1"))
693 return;
694
695 if (ctx.page.status)
696 htmlf("Status: %d %s\n", ctx.page.status, ctx.page.statusmsg);
697 if (ctx.page.mimetype && ctx.page.charset)
698 htmlf("Content-Type: %s; charset=%s\n", ctx.page.mimetype,
699 ctx.page.charset);
700 else if (ctx.page.mimetype)
701 htmlf("Content-Type: %s\n", ctx.page.mimetype);
702 if (ctx.page.size)
703 htmlf("Content-Length: %zd\n", ctx.page.size);
704 if (ctx.page.filename) {
705 html("Content-Disposition: inline; filename=\"");
706 html_header_arg_in_quotes(ctx.page.filename);
707 html("\"\n");
708 }
709 if (!ctx.env.authenticated)
710 html("Cache-Control: no-cache, no-store\n");
711 htmlf("Last-Modified: %s\n", http_date(ctx.page.modified));
712 htmlf("Expires: %s\n", http_date(ctx.page.expires));
713 if (ctx.page.etag)
714 htmlf("ETag: \"%s\"\n", ctx.page.etag);
715 html("\n");
716 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
717 exit(0);
718}
719
720void cgit_redirect(const char *url, bool permanent)
721{
722 htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
723 html("Location: ");
724 html_url_path(url);
725 html("\n\n");
726}
727
728static void print_rel_vcs_link(const char *url)
729{
730 html("<link rel='vcs-git' href='");
731 html_attr(url);
732 html("' title='");
733 html_attr(ctx.repo->name);
734 html(" Git repository'/>\n");
735}
736
737void cgit_print_docstart(void)
738{
739 char *host = cgit_hosturl();
740
741 if (ctx.cfg.embedded) {
742 if (ctx.cfg.header)
743 html_include(ctx.cfg.header);
744 return;
745 }
746
747 html(cgit_doctype);
748 html("<html lang='en'>\n");
749 html("<head>\n");
750 html("<title>");
751 html_txt(ctx.page.title);
752 html("</title>\n");
753 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
754 if (ctx.cfg.robots && *ctx.cfg.robots)
755 htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
756 html("<link rel='stylesheet' type='text/css' href='");
757 html_attr(ctx.cfg.css);
758 html("'/>\n");
759 if (ctx.cfg.favicon) {
760 html("<link rel='shortcut icon' href='");
761 html_attr(ctx.cfg.favicon);
762 html("'/>\n");
763 }
764 if (host && ctx.repo && ctx.qry.head) {
765 char *fileurl;
766 struct strbuf sb = STRBUF_INIT;
767 strbuf_addf(&sb, "h=%s", ctx.qry.head);
768
769 html("<link rel='alternate' title='Atom feed' href='");
770 html(cgit_httpscheme());
771 html_attr(host);
772 fileurl = cgit_fileurl(ctx.repo->url, "atom", ctx.qry.vpath,
773 sb.buf);
774 html_attr(fileurl);
775 html("' type='application/atom+xml'/>\n");
776 strbuf_release(&sb);
777 free(fileurl);
778 }
779 if (ctx.repo)
780 cgit_add_clone_urls(print_rel_vcs_link);
781 if (ctx.cfg.head_include)
782 html_include(ctx.cfg.head_include);
783 if (ctx.repo && ctx.repo->extra_head_content)
784 html(ctx.repo->extra_head_content);
785 html("</head>\n");
786 html("<body>\n");
787 if (ctx.cfg.header)
788 html_include(ctx.cfg.header);
789 free(host);
790}
791
792void cgit_print_docend(void)
793{
794 html("</div> <!-- class=content -->\n");
795 if (ctx.cfg.embedded) {
796 html("</div> <!-- id=cgit -->\n");
797 if (ctx.cfg.footer)
798 html_include(ctx.cfg.footer);
799 return;
800 }
801 if (ctx.cfg.footer)
802 html_include(ctx.cfg.footer);
803 else {
804 htmlf("<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit %s</a> "
805 "(<a href='https://git-scm.com/'>git %s</a>) at ", cgit_version, git_version_string);
806 html_txt(show_date(time(NULL), 0, cgit_date_mode(DATE_ISO8601)));
807 html("</div>\n");
808 }
809 html("</div> <!-- id=cgit -->\n");
810 html("</body>\n</html>\n");
811}
812
813void cgit_print_error_page(int code, const char *msg, const char *fmt, ...)
814{
815 va_list ap;
816 ctx.page.expires = ctx.cfg.cache_dynamic_ttl;
817 ctx.page.status = code;
818 ctx.page.statusmsg = msg;
819 cgit_print_layout_start();
820 va_start(ap, fmt);
821 cgit_vprint_error(fmt, ap);
822 va_end(ap);
823 cgit_print_layout_end();
824}
825
826void cgit_print_layout_start(void)
827{
828 cgit_print_http_headers();
829 cgit_print_docstart();
830 cgit_print_pageheader();
831}
832
833void cgit_print_layout_end(void)
834{
835 cgit_print_docend();
836}
837
838static void add_clone_urls(void (*fn)(const char *), char *txt, char *suffix)
839{
840 struct strbuf **url_list = strbuf_split_str(txt, ' ', 0);
841 int i;
842
843 for (i = 0; url_list[i]; i++) {
844 strbuf_rtrim(url_list[i]);
845 if (url_list[i]->len == 0)
846 continue;
847 if (suffix && *suffix)
848 strbuf_addf(url_list[i], "/%s", suffix);
849 fn(url_list[i]->buf);
850 }
851
852 strbuf_list_free(url_list);
853}
854
855void cgit_add_clone_urls(void (*fn)(const char *))
856{
857 if (ctx.repo->clone_url)
858 add_clone_urls(fn, expand_macros(ctx.repo->clone_url), NULL);
859 else if (ctx.cfg.clone_prefix)
860 add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
861}
862
863static int print_branch_option(const char *refname, const struct object_id *oid,
864 int flags, void *cb_data)
865{
866 char *name = (char *)refname;
867 html_option(name, name, ctx.qry.head);
868 return 0;
869}
870
871void cgit_add_hidden_formfields(int incl_head, int incl_search,
872 const char *page)
873{
874 if (!ctx.cfg.virtual_root) {
875 struct strbuf url = STRBUF_INIT;
876
877 strbuf_addf(&url, "%s/%s", ctx.qry.repo, page);
878 if (ctx.qry.vpath)
879 strbuf_addf(&url, "/%s", ctx.qry.vpath);
880 html_hidden("url", url.buf);
881 strbuf_release(&url);
882 }
883
884 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
885 strcmp(ctx.qry.head, ctx.repo->defbranch))
886 html_hidden("h", ctx.qry.head);
887
888 if (ctx.qry.sha1)
889 html_hidden("id", ctx.qry.sha1);
890 if (ctx.qry.sha2)
891 html_hidden("id2", ctx.qry.sha2);
892 if (ctx.qry.showmsg)
893 html_hidden("showmsg", "1");
894
895 if (incl_search) {
896 if (ctx.qry.grep)
897 html_hidden("qt", ctx.qry.grep);
898 if (ctx.qry.search)
899 html_hidden("q", ctx.qry.search);
900 }
901}
902
903static const char *hc(const char *page)
904{
905 if (!ctx.qry.page)
906 return NULL;
907
908 return strcmp(ctx.qry.page, page) ? NULL : "active";
909}
910
911static void cgit_print_path_crumbs(char *path)
912{
913 char *old_path = ctx.qry.path;
914 char *p = path, *q, *end = path + strlen(path);
915
916 ctx.qry.path = NULL;
917 cgit_self_link("root", NULL, NULL);
918 ctx.qry.path = p = path;
919 while (p < end) {
920 if (!(q = strchr(p, '/')))
921 q = end;
922 *q = '\0';
923 html_txt("/");
924 cgit_self_link(p, NULL, NULL);
925 if (q < end)
926 *q = '/';
927 p = q + 1;
928 }
929 ctx.qry.path = old_path;
930}
931
932static void print_header(void)
933{
934 char *logo = NULL, *logo_link = NULL;
935
936 html("<table id='header'>\n");
937 html("<tr>\n");
938
939 if (ctx.repo && ctx.repo->logo && *ctx.repo->logo)
940 logo = ctx.repo->logo;
941 else
942 logo = ctx.cfg.logo;
943 if (ctx.repo && ctx.repo->logo_link && *ctx.repo->logo_link)
944 logo_link = ctx.repo->logo_link;
945 else
946 logo_link = ctx.cfg.logo_link;
947 if (logo && *logo) {
948 html("<td class='logo' rowspan='2'><a href='");
949 if (logo_link && *logo_link)
950 html_attr(logo_link);
951 else
952 html_attr(cgit_rooturl());
953 html("'><img src='");
954 html_attr(logo);
955 html("' alt='cgit logo'/></a></td>\n");
956 }
957
958 html("<td class='main'>");
959 if (ctx.repo) {
960 cgit_index_link("index", NULL, NULL, NULL, NULL, 0, 1);
961 html(" : ");
962 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
963 if (ctx.env.authenticated) {
964 html("</td><td class='form'>");
965 html("<form method='get'>\n");
966 cgit_add_hidden_formfields(0, 1, ctx.qry.page);
967 html("<select name='h' onchange='this.form.submit();'>\n");
968 for_each_branch_ref(print_branch_option, ctx.qry.head);
969 if (ctx.repo->enable_remote_branches)
970 for_each_remote_ref(print_branch_option, ctx.qry.head);
971 html("</select> ");
972 html("<input type='submit' value='switch'/>");
973 html("</form>");
974 }
975 } else
976 html_txt(ctx.cfg.root_title);
977 html("</td></tr>\n");
978
979 html("<tr><td class='sub'>");
980 if (ctx.repo) {
981 html_txt(ctx.repo->desc);
982 html("</td><td class='sub right'>");
983 html_txt(ctx.repo->owner);
984 } else {
985 if (ctx.cfg.root_desc)
986 html_txt(ctx.cfg.root_desc);
987 }
988 html("</td></tr></table>\n");
989}
990
991void cgit_print_pageheader(void)
992{
993 html("<div id='cgit'>");
994 if (!ctx.env.authenticated || !ctx.cfg.noheader)
995 print_header();
996
997 html("<table class='tabs'><tr><td>\n");
998 if (ctx.env.authenticated && ctx.repo) {
999 if (ctx.repo->readme.nr)
1000 reporevlink("about", "about", NULL,
1001 hc("about"), ctx.qry.head, NULL,
1002 NULL);
1003 cgit_summary_link("summary", NULL, hc("summary"),
1004 ctx.qry.head);
1005 cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
1006 ctx.qry.sha1, NULL);
1007 cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
1008 NULL, ctx.qry.vpath, 0, NULL, NULL,
1009 ctx.qry.showmsg, ctx.qry.follow);
1010 if (ctx.qry.page && !strcmp(ctx.qry.page, "blame"))
1011 cgit_blame_link("blame", NULL, hc("blame"), ctx.qry.head,
1012 ctx.qry.sha1, ctx.qry.vpath);
1013 else
1014 cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
1015 ctx.qry.sha1, ctx.qry.vpath);
1016 cgit_commit_link("commit", NULL, hc("commit"),
1017 ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
1018 cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
1019 ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
1020 if (ctx.repo->max_stats)
1021 cgit_stats_link("stats", NULL, hc("stats"),
1022 ctx.qry.head, ctx.qry.vpath);
1023 if (ctx.repo->homepage) {
1024 html("<a href='");
1025 html_attr(ctx.repo->homepage);
1026 html("'>homepage</a>");
1027 }
1028 html("</td><td class='form'>");
1029 html("<form class='right' method='get' action='");
1030 if (ctx.cfg.virtual_root) {
1031 char *fileurl = cgit_fileurl(ctx.qry.repo, "log",
1032 ctx.qry.vpath, NULL);
1033 html_url_path(fileurl);
1034 free(fileurl);
1035 }
1036 html("'>\n");
1037 cgit_add_hidden_formfields(1, 0, "log");
1038 html("<select name='qt'>\n");
1039 html_option("grep", "log msg", ctx.qry.grep);
1040 html_option("author", "author", ctx.qry.grep);
1041 html_option("committer", "committer", ctx.qry.grep);
1042 html_option("range", "range", ctx.qry.grep);
1043 html("</select>\n");
1044 html("<input class='txt' type='search' size='10' name='q' value='");
1045 html_attr(ctx.qry.search);
1046 html("'/>\n");
1047 html("<input type='submit' value='search'/>\n");
1048 html("</form>\n");
1049 } else if (ctx.env.authenticated) {
1050 char *currenturl = cgit_currenturl();
1051 site_link(NULL, "index", NULL, hc("repolist"), NULL, NULL, 0, 1);
1052 if (ctx.cfg.root_readme)
1053 site_link("about", "about", NULL, hc("about"),
1054 NULL, NULL, 0, 1);
1055 html("</td><td class='form'>");
1056 html("<form method='get' action='");
1057 html_attr(currenturl);
1058 html("'>\n");
1059 html("<input type='search' name='q' size='10' value='");
1060 html_attr(ctx.qry.search);
1061 html("'/>\n");
1062 html("<input type='submit' value='search'/>\n");
1063 html("</form>");
1064 free(currenturl);
1065 }
1066 html("</td></tr></table>\n");
1067 if (ctx.env.authenticated && ctx.repo && ctx.qry.vpath) {
1068 html("<div class='path'>");
1069 html("path: ");
1070 cgit_print_path_crumbs(ctx.qry.vpath);
1071 if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
1072 html(" (");
1073 ctx.qry.follow = !ctx.qry.follow;
1074 cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
1075 NULL, NULL);
1076 ctx.qry.follow = !ctx.qry.follow;
1077 html(")");
1078 }
1079 html("</div>");
1080 }
1081 html("<div class='content'>");
1082}
1083
1084void cgit_print_filemode(unsigned short mode)
1085{
1086 if (S_ISDIR(mode))
1087 html("d");
1088 else if (S_ISLNK(mode))
1089 html("l");
1090 else if (S_ISGITLINK(mode))
1091 html("m");
1092 else
1093 html("-");
1094 html_fileperm(mode >> 6);
1095 html_fileperm(mode >> 3);
1096 html_fileperm(mode);
1097}
1098
1099void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
1100 const char *ref)
1101{
1102 struct object_id oid;
1103
1104 /*
1105 * Prettify snapshot names by stripping leading "v" or "V" if the tag
1106 * name starts with {v,V}[0-9] and the prettify mapping is injective,
1107 * i.e. each stripped tag can be inverted without ambiguities.
1108 */
1109 if (get_oid(fmt("refs/tags/%s", ref), &oid) == 0 &&
1110 (ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]) &&
1111 ((get_oid(fmt("refs/tags/%s", ref + 1), &oid) == 0) +
1112 (get_oid(fmt("refs/tags/v%s", ref + 1), &oid) == 0) +
1113 (get_oid(fmt("refs/tags/V%s", ref + 1), &oid) == 0) == 1))
1114 ref++;
1115
1116 strbuf_addf(filename, "%s-%s", base, ref);
1117}
1118
1119void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
1120 const char *separator)
1121{
1122 const struct cgit_snapshot_format *f;
1123 struct strbuf filename = STRBUF_INIT;
1124 const char *basename;
1125 size_t prefixlen;
1126
1127 basename = cgit_snapshot_prefix(repo);
1128 if (starts_with(ref, basename))
1129 strbuf_addstr(&filename, ref);
1130 else
1131 cgit_compose_snapshot_prefix(&filename, basename, ref);
1132
1133 prefixlen = filename.len;
1134 for (f = cgit_snapshot_formats; f->suffix; f++) {
1135 if (!(repo->snapshots & cgit_snapshot_format_bit(f)))
1136 continue;
1137 strbuf_setlen(&filename, prefixlen);
1138 strbuf_addstr(&filename, f->suffix);
1139 cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL,
1140 filename.buf);
1141 if (cgit_snapshot_get_sig(ref, f)) {
1142 strbuf_addstr(&filename, ".asc");
1143 html(" (");
1144 cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
1145 filename.buf);
1146 html(")");
1147 } else if (starts_with(f->suffix, ".tar") && cgit_snapshot_get_sig(ref, &cgit_snapshot_formats[0])) {
1148 strbuf_setlen(&filename, strlen(filename.buf) - strlen(f->suffix));
1149 strbuf_addstr(&filename, ".tar.asc");
1150 html(" (");
1151 cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
1152 filename.buf);
1153 html(")");
1154 }
1155 html(separator);
1156 }
1157 strbuf_release(&filename);
1158}
1159
1160void cgit_set_title_from_path(const char *path)
1161{
1162 size_t path_len, path_index, path_last_end;
1163 char *new_title;
1164
1165 if (!path)
1166 return;
1167
1168 path_len = strlen(path);
1169 new_title = xmalloc(path_len + 3 + strlen(ctx.page.title) + 1);
1170 new_title[0] = '\0';
1171
1172 for (path_index = path_len, path_last_end = path_len; path_index-- > 0;) {
1173 if (path[path_index] == '/') {
1174 if (path_index == path_len - 1) {
1175 path_last_end = path_index - 1;
1176 continue;
1177 }
1178 strncat(new_title, &path[path_index + 1], path_last_end - path_index - 1);
1179 strcat(new_title, "\\");
1180 path_last_end = path_index;
1181 }
1182 }
1183 if (path_last_end)
1184 strncat(new_title, path, path_last_end);
1185
1186 strcat(new_title, " - ");
1187 strcat(new_title, ctx.page.title);
1188 ctx.page.title = new_title;
1189}