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