ui-shared.c (view raw)
1/* ui-shared.c: common web output functions
2 *
3 * Copyright (C) 2006 Lars Hjemli
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
9#include "cgit.h"
10#include "cmd.h"
11#include "html.h"
12
13const char cgit_doctype[] =
14"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
15" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\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", "Now", "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(char *msg)
31{
32 html("<div class='error'>");
33 html_txt(msg);
34 html("</div>\n");
35}
36
37char *cgit_hosturl()
38{
39 char *host, *port;
40
41 host = getenv("HTTP_HOST");
42 if (host) {
43 host = xstrdup(host);
44 } else {
45 host = getenv("SERVER_NAME");
46 if (!host)
47 return NULL;
48 port = getenv("SERVER_PORT");
49 if (port && atoi(port) != 80)
50 host = xstrdup(fmt("%s:%d", host, atoi(port)));
51 else
52 host = xstrdup(host);
53 }
54 return host;
55}
56
57char *cgit_rooturl()
58{
59 if (ctx.cfg.virtual_root)
60 return fmt("%s/", ctx.cfg.virtual_root);
61 else
62 return ctx.cfg.script_name;
63}
64
65char *cgit_repourl(const char *reponame)
66{
67 if (ctx.cfg.virtual_root) {
68 return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
69 } else {
70 return fmt("?r=%s", reponame);
71 }
72}
73
74char *cgit_fileurl(const char *reponame, const char *pagename,
75 const char *filename, const char *query)
76{
77 char *tmp;
78 char *delim;
79
80 if (ctx.cfg.virtual_root) {
81 tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
82 pagename, (filename ? filename:""));
83 delim = "?";
84 } else {
85 tmp = fmt("?url=%s/%s/%s", reponame, pagename,
86 (filename ? filename : ""));
87 delim = "&";
88 }
89 if (query)
90 tmp = fmt("%s%s%s", tmp, delim, query);
91 return tmp;
92}
93
94char *cgit_pageurl(const char *reponame, const char *pagename,
95 const char *query)
96{
97 return cgit_fileurl(reponame,pagename,0,query);
98}
99
100const char *cgit_repobasename(const char *reponame)
101{
102 /* I assume we don't need to store more than one repo basename */
103 static char rvbuf[1024];
104 int p;
105 const char *rv;
106 strncpy(rvbuf,reponame,sizeof(rvbuf));
107 if(rvbuf[sizeof(rvbuf)-1])
108 die("cgit_repobasename: truncated repository name '%s'", reponame);
109 p = strlen(rvbuf)-1;
110 /* strip trailing slashes */
111 while(p && rvbuf[p]=='/') rvbuf[p--]=0;
112 /* strip trailing .git */
113 if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
114 p -= 3; rvbuf[p--] = 0;
115 }
116 /* strip more trailing slashes if any */
117 while( p && rvbuf[p]=='/') rvbuf[p--]=0;
118 /* find last slash in the remaining string */
119 rv = strrchr(rvbuf,'/');
120 if(rv)
121 return ++rv;
122 return rvbuf;
123}
124
125char *cgit_currurl()
126{
127 if (!ctx.cfg.virtual_root)
128 return ctx.cfg.script_name;
129 else if (ctx.qry.page)
130 return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
131 else if (ctx.qry.repo)
132 return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
133 else
134 return fmt("%s/", ctx.cfg.virtual_root);
135}
136
137static void site_url(char *page, char *search, int ofs)
138{
139 char *delim = "?";
140
141 if (ctx.cfg.virtual_root) {
142 html_attr(ctx.cfg.virtual_root);
143 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
144 html("/");
145 } else
146 html(ctx.cfg.script_name);
147
148 if (page) {
149 htmlf("?p=%s", page);
150 delim = "&";
151 }
152 if (search) {
153 html(delim);
154 html("q=");
155 html_attr(search);
156 delim = "&";
157 }
158 if (ofs) {
159 html(delim);
160 htmlf("ofs=%d", ofs);
161 }
162}
163
164static void site_link(char *page, char *name, char *title, char *class,
165 char *search, int ofs)
166{
167 html("<a");
168 if (title) {
169 html(" title='");
170 html_attr(title);
171 html("'");
172 }
173 if (class) {
174 html(" class='");
175 html_attr(class);
176 html("'");
177 }
178 html(" href='");
179 site_url(page, search, ofs);
180 html("'>");
181 html_txt(name);
182 html("</a>");
183}
184
185void cgit_index_link(char *name, char *title, char *class, char *pattern,
186 int ofs)
187{
188 site_link(NULL, name, title, class, pattern, ofs);
189}
190
191static char *repolink(char *title, char *class, char *page, char *head,
192 char *path)
193{
194 char *delim = "?";
195
196 html("<a");
197 if (title) {
198 html(" title='");
199 html_attr(title);
200 html("'");
201 }
202 if (class) {
203 html(" class='");
204 html_attr(class);
205 html("'");
206 }
207 html(" href='");
208 if (ctx.cfg.virtual_root) {
209 html_url_path(ctx.cfg.virtual_root);
210 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
211 html("/");
212 html_url_path(ctx.repo->url);
213 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
214 html("/");
215 if (page) {
216 html_url_path(page);
217 html("/");
218 if (path)
219 html_url_path(path);
220 }
221 } else {
222 html(ctx.cfg.script_name);
223 html("?url=");
224 html_url_arg(ctx.repo->url);
225 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
226 html("/");
227 if (page) {
228 html_url_arg(page);
229 html("/");
230 if (path)
231 html_url_arg(path);
232 }
233 delim = "&";
234 }
235 if (head && strcmp(head, ctx.repo->defbranch)) {
236 html(delim);
237 html("h=");
238 html_url_arg(head);
239 delim = "&";
240 }
241 return fmt("%s", delim);
242}
243
244static void reporevlink(char *page, char *name, char *title, char *class,
245 char *head, char *rev, char *path)
246{
247 char *delim;
248
249 delim = repolink(title, class, page, head, path);
250 if (rev && strcmp(rev, ctx.qry.head)) {
251 html(delim);
252 html("id=");
253 html_url_arg(rev);
254 }
255 html("'>");
256 html_txt(name);
257 html("</a>");
258}
259
260void cgit_summary_link(char *name, char *title, char *class, char *head)
261{
262 reporevlink(NULL, name, title, class, head, NULL, NULL);
263}
264
265void cgit_tag_link(char *name, char *title, char *class, char *head,
266 char *rev)
267{
268 reporevlink("tag", name, title, class, head, rev, NULL);
269}
270
271void cgit_tree_link(char *name, char *title, char *class, char *head,
272 char *rev, char *path)
273{
274 reporevlink("tree", name, title, class, head, rev, path);
275}
276
277void cgit_plain_link(char *name, char *title, char *class, char *head,
278 char *rev, char *path)
279{
280 reporevlink("plain", name, title, class, head, rev, path);
281}
282
283void cgit_log_link(char *name, char *title, char *class, char *head,
284 char *rev, char *path, int ofs, char *grep, char *pattern)
285{
286 char *delim;
287
288 delim = repolink(title, class, "log", head, path);
289 if (rev && strcmp(rev, ctx.qry.head)) {
290 html(delim);
291 html("id=");
292 html_url_arg(rev);
293 delim = "&";
294 }
295 if (grep && pattern) {
296 html(delim);
297 html("qt=");
298 html_url_arg(grep);
299 delim = "&";
300 html(delim);
301 html("q=");
302 html_url_arg(pattern);
303 }
304 if (ofs > 0) {
305 html(delim);
306 html("ofs=");
307 htmlf("%d", ofs);
308 }
309 html("'>");
310 html_txt(name);
311 html("</a>");
312}
313
314void cgit_commit_link(char *name, char *title, char *class, char *head,
315 char *rev)
316{
317 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
318 name[ctx.cfg.max_msg_len] = '\0';
319 name[ctx.cfg.max_msg_len - 1] = '.';
320 name[ctx.cfg.max_msg_len - 2] = '.';
321 name[ctx.cfg.max_msg_len - 3] = '.';
322 }
323 reporevlink("commit", name, title, class, head, rev, NULL);
324}
325
326void cgit_refs_link(char *name, char *title, char *class, char *head,
327 char *rev, char *path)
328{
329 reporevlink("refs", name, title, class, head, rev, path);
330}
331
332void cgit_snapshot_link(char *name, char *title, char *class, char *head,
333 char *rev, char *archivename)
334{
335 reporevlink("snapshot", name, title, class, head, rev, archivename);
336}
337
338void cgit_diff_link(char *name, char *title, char *class, char *head,
339 char *new_rev, char *old_rev, char *path)
340{
341 char *delim;
342
343 delim = repolink(title, class, "diff", head, path);
344 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
345 html(delim);
346 html("id=");
347 html_url_arg(new_rev);
348 delim = "&";
349 }
350 if (old_rev) {
351 html(delim);
352 html("id2=");
353 html_url_arg(old_rev);
354 }
355 html("'>");
356 html_txt(name);
357 html("</a>");
358}
359
360void cgit_patch_link(char *name, char *title, char *class, char *head,
361 char *rev)
362{
363 reporevlink("patch", name, title, class, head, rev, NULL);
364}
365
366void cgit_stats_link(char *name, char *title, char *class, char *head,
367 char *path)
368{
369 reporevlink("stats", name, title, class, head, NULL, path);
370}
371
372void cgit_object_link(struct object *obj)
373{
374 char *page, *rev, *name;
375
376 if (obj->type == OBJ_COMMIT) {
377 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
378 ctx.qry.head, sha1_to_hex(obj->sha1));
379 return;
380 } else if (obj->type == OBJ_TREE)
381 page = "tree";
382 else if (obj->type == OBJ_TAG)
383 page = "tag";
384 else
385 page = "blob";
386 rev = sha1_to_hex(obj->sha1);
387 name = fmt("%s %s", typename(obj->type), rev);
388 reporevlink(page, name, NULL, NULL, ctx.qry.head, rev, NULL);
389}
390
391void cgit_print_date(time_t secs, char *format, int local_time)
392{
393 char buf[64];
394 struct tm *time;
395
396 if (!secs)
397 return;
398 if(local_time)
399 time = localtime(&secs);
400 else
401 time = gmtime(&secs);
402 strftime(buf, sizeof(buf)-1, format, time);
403 html_txt(buf);
404}
405
406void cgit_print_age(time_t t, time_t max_relative, char *format)
407{
408 time_t now, secs;
409
410 if (!t)
411 return;
412 time(&now);
413 secs = now - t;
414
415 if (secs > max_relative && max_relative >= 0) {
416 cgit_print_date(t, format, ctx.cfg.local_time);
417 return;
418 }
419
420 if (secs < TM_HOUR * 2) {
421 htmlf("<span class='age-mins'>%.0f min.</span>",
422 secs * 1.0 / TM_MIN);
423 return;
424 }
425 if (secs < TM_DAY * 2) {
426 htmlf("<span class='age-hours'>%.0f hours</span>",
427 secs * 1.0 / TM_HOUR);
428 return;
429 }
430 if (secs < TM_WEEK * 2) {
431 htmlf("<span class='age-days'>%.0f days</span>",
432 secs * 1.0 / TM_DAY);
433 return;
434 }
435 if (secs < TM_MONTH * 2) {
436 htmlf("<span class='age-weeks'>%.0f weeks</span>",
437 secs * 1.0 / TM_WEEK);
438 return;
439 }
440 if (secs < TM_YEAR * 2) {
441 htmlf("<span class='age-months'>%.0f months</span>",
442 secs * 1.0 / TM_MONTH);
443 return;
444 }
445 htmlf("<span class='age-years'>%.0f years</span>",
446 secs * 1.0 / TM_YEAR);
447}
448
449void cgit_print_http_headers(struct cgit_context *ctx)
450{
451 if (ctx->page.mimetype && ctx->page.charset)
452 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
453 ctx->page.charset);
454 else if (ctx->page.mimetype)
455 htmlf("Content-Type: %s\n", ctx->page.mimetype);
456 if (ctx->page.size)
457 htmlf("Content-Length: %ld\n", ctx->page.size);
458 if (ctx->page.filename)
459 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
460 ctx->page.filename);
461 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
462 htmlf("Expires: %s\n", http_date(ctx->page.expires));
463 html("\n");
464}
465
466void cgit_print_docstart(struct cgit_context *ctx)
467{
468 char *host = cgit_hosturl();
469 html(cgit_doctype);
470 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
471 html("<head>\n");
472 html("<title>");
473 html_txt(ctx->page.title);
474 html("</title>\n");
475 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
476 if (ctx->cfg.robots && *ctx->cfg.robots)
477 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
478 html("<link rel='stylesheet' type='text/css' href='");
479 html_attr(ctx->cfg.css);
480 html("'/>\n");
481 if (ctx->cfg.favicon) {
482 html("<link rel='shortcut icon' href='");
483 html_attr(ctx->cfg.favicon);
484 html("'/>\n");
485 }
486 if (host && ctx->repo) {
487 html("<link rel='alternate' title='Atom feed' href='http://");
488 html_attr(cgit_hosturl());
489 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
490 fmt("h=%s", ctx->qry.head)));
491 html("' type='application/atom+xml'/>");
492 }
493 html("</head>\n");
494 html("<body>\n");
495}
496
497void cgit_print_docend()
498{
499 html("</div>");
500 if (ctx.cfg.footer)
501 html_include(ctx.cfg.footer);
502 else {
503 htmlf("<div class='footer'>generated by cgit %s at ",
504 cgit_version);
505 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
506 html("</div>\n");
507 }
508 html("</body>\n</html>\n");
509}
510
511int print_branch_option(const char *refname, const unsigned char *sha1,
512 int flags, void *cb_data)
513{
514 char *name = (char *)refname;
515 html_option(name, name, ctx.qry.head);
516 return 0;
517}
518
519int print_archive_ref(const char *refname, const unsigned char *sha1,
520 int flags, void *cb_data)
521{
522 struct tag *tag;
523 struct taginfo *info;
524 struct object *obj;
525 char buf[256], *url;
526 unsigned char fileid[20];
527 int *header = (int *)cb_data;
528
529 if (prefixcmp(refname, "refs/archives"))
530 return 0;
531 strncpy(buf, refname+14, sizeof(buf));
532 obj = parse_object(sha1);
533 if (!obj)
534 return 1;
535 if (obj->type == OBJ_TAG) {
536 tag = lookup_tag(sha1);
537 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
538 return 0;
539 hashcpy(fileid, tag->tagged->sha1);
540 } else if (obj->type != OBJ_BLOB) {
541 return 0;
542 } else {
543 hashcpy(fileid, sha1);
544 }
545 if (!*header) {
546 html("<h1>download</h1>\n");
547 *header = 1;
548 }
549 url = cgit_pageurl(ctx.qry.repo, "blob",
550 fmt("id=%s&path=%s", sha1_to_hex(fileid),
551 buf));
552 html_link_open(url, NULL, "menu");
553 html_txt(strlpart(buf, 20));
554 html_link_close();
555 return 0;
556}
557
558void add_hidden_formfields(int incl_head, int incl_search, char *page)
559{
560 char *url;
561
562 if (!ctx.cfg.virtual_root) {
563 url = fmt("%s/%s", ctx.qry.repo, page);
564 if (ctx.qry.path)
565 url = fmt("%s/%s", url, ctx.qry.path);
566 html_hidden("url", url);
567 }
568
569 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
570 strcmp(ctx.qry.head, ctx.repo->defbranch))
571 html_hidden("h", ctx.qry.head);
572
573 if (ctx.qry.sha1)
574 html_hidden("id", ctx.qry.sha1);
575 if (ctx.qry.sha2)
576 html_hidden("id2", ctx.qry.sha2);
577
578 if (incl_search) {
579 if (ctx.qry.grep)
580 html_hidden("qt", ctx.qry.grep);
581 if (ctx.qry.search)
582 html_hidden("q", ctx.qry.search);
583 }
584}
585
586char *hc(struct cgit_cmd *cmd, const char *page)
587{
588 return (strcmp(cmd->name, page) ? NULL : "active");
589}
590
591void cgit_print_pageheader(struct cgit_context *ctx)
592{
593 struct cgit_cmd *cmd = cgit_get_cmd(ctx);
594
595 html("<table id='header'>\n");
596 html("<tr>\n");
597 html("<td class='logo' rowspan='2'><a href='");
598 if (ctx->cfg.logo_link)
599 html_attr(ctx->cfg.logo_link);
600 else
601 html_attr(cgit_rooturl());
602 html("'><img src='");
603 html_attr(ctx->cfg.logo);
604 html("' alt='cgit logo'/></a></td>\n");
605
606 html("<td class='main'>");
607 if (ctx->repo) {
608 cgit_index_link("index", NULL, NULL, NULL, 0);
609 html(" : ");
610 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
611 html("</td><td class='form'>");
612 html("<form method='get' action=''>\n");
613 add_hidden_formfields(0, 1, ctx->qry.page);
614 html("<select name='h' onchange='this.form.submit();'>\n");
615 for_each_branch_ref(print_branch_option, ctx->qry.head);
616 html("</select> ");
617 html("<input type='submit' name='' value='switch'/>");
618 html("</form>");
619 } else
620 html_txt(ctx->cfg.root_title);
621 html("</td></tr>\n");
622
623 html("<tr><td class='sub'>");
624 if (ctx->repo) {
625 html_txt(ctx->repo->desc);
626 html("</td><td class='sub right'>");
627 html_txt(ctx->repo->owner);
628 } else {
629 if (ctx->cfg.root_desc)
630 html_txt(ctx->cfg.root_desc);
631 else if (ctx->cfg.index_info)
632 html_include(ctx->cfg.index_info);
633 }
634 html("</td></tr></table>\n");
635
636 html("<table class='tabs'><tr><td>\n");
637 if (ctx->repo) {
638 cgit_summary_link("summary", NULL, hc(cmd, "summary"),
639 ctx->qry.head);
640 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
641 ctx->qry.sha1, NULL);
642 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
643 NULL, NULL, 0, NULL, NULL);
644 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
645 ctx->qry.sha1, NULL);
646 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
647 ctx->qry.head, ctx->qry.sha1);
648 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
649 ctx->qry.sha1, ctx->qry.sha2, NULL);
650 if (ctx->repo->max_stats)
651 cgit_stats_link("stats", NULL, hc(cmd, "stats"),
652 ctx->qry.head, NULL);
653 if (ctx->repo->readme)
654 reporevlink("about", "about", NULL,
655 hc(cmd, "about"), ctx->qry.head, NULL,
656 NULL);
657 html("</td><td class='form'>");
658 html("<form class='right' method='get' action='");
659 if (ctx->cfg.virtual_root)
660 html_url_path(cgit_fileurl(ctx->qry.repo, "log",
661 ctx->qry.path, NULL));
662 html("'>\n");
663 add_hidden_formfields(1, 0, "log");
664 html("<select name='qt'>\n");
665 html_option("grep", "log msg", ctx->qry.grep);
666 html_option("author", "author", ctx->qry.grep);
667 html_option("committer", "committer", ctx->qry.grep);
668 html("</select>\n");
669 html("<input class='txt' type='text' size='10' name='q' value='");
670 html_attr(ctx->qry.search);
671 html("'/>\n");
672 html("<input type='submit' value='search'/>\n");
673 html("</form>\n");
674 } else {
675 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
676 if (ctx->cfg.root_readme)
677 site_link("about", "about", NULL, hc(cmd, "about"),
678 NULL, 0);
679 html("</td><td class='form'>");
680 html("<form method='get' action='");
681 html_attr(cgit_rooturl());
682 html("'>\n");
683 html("<input type='text' name='q' size='10' value='");
684 html_attr(ctx->qry.search);
685 html("'/>\n");
686 html("<input type='submit' value='search'/>\n");
687 html("</form>");
688 }
689 html("</td></tr></table>\n");
690 html("<div class='content'>");
691}
692
693void cgit_print_filemode(unsigned short mode)
694{
695 if (S_ISDIR(mode))
696 html("d");
697 else if (S_ISLNK(mode))
698 html("l");
699 else if (S_ISGITLINK(mode))
700 html("m");
701 else
702 html("-");
703 html_fileperm(mode >> 6);
704 html_fileperm(mode >> 3);
705 html_fileperm(mode);
706}
707
708void cgit_print_snapshot_links(const char *repo, const char *head,
709 const char *hex, int snapshots)
710{
711 const struct cgit_snapshot_format* f;
712 char *filename;
713
714 for (f = cgit_snapshot_formats; f->suffix; f++) {
715 if (!(snapshots & f->bit))
716 continue;
717 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
718 f->suffix);
719 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
720 (char *)hex, filename);
721 html("<br/>");
722 }
723}