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