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_attr(ctx.cfg.virtual_root);
210 if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
211 html("/");
212 html_attr(ctx.repo->url);
213 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
214 html("/");
215 if (page) {
216 html(page);
217 html("/");
218 if (path)
219 html_attr(path);
220 }
221 } else {
222 html(ctx.cfg.script_name);
223 html("?url=");
224 html_attr(ctx.repo->url);
225 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
226 html("/");
227 if (page) {
228 html(page);
229 html("/");
230 if (path)
231 html_attr(path);
232 }
233 delim = "&";
234 }
235 if (head && strcmp(head, ctx.repo->defbranch)) {
236 html(delim);
237 html("h=");
238 html_attr(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_attr(rev);
254 }
255 html("'>");
256 html_txt(name);
257 html("</a>");
258}
259
260void cgit_tree_link(char *name, char *title, char *class, char *head,
261 char *rev, char *path)
262{
263 reporevlink("tree", name, title, class, head, rev, path);
264}
265
266void cgit_plain_link(char *name, char *title, char *class, char *head,
267 char *rev, char *path)
268{
269 reporevlink("plain", name, title, class, head, rev, path);
270}
271
272void cgit_log_link(char *name, char *title, char *class, char *head,
273 char *rev, char *path, int ofs, char *grep, char *pattern)
274{
275 char *delim;
276
277 delim = repolink(title, class, "log", head, path);
278 if (rev && strcmp(rev, ctx.qry.head)) {
279 html(delim);
280 html("id=");
281 html_attr(rev);
282 delim = "&";
283 }
284 if (grep && pattern) {
285 html(delim);
286 html("qt=");
287 html_attr(grep);
288 delim = "&";
289 html(delim);
290 html("q=");
291 html_attr(pattern);
292 }
293 if (ofs > 0) {
294 html(delim);
295 html("ofs=");
296 htmlf("%d", ofs);
297 }
298 html("'>");
299 html_txt(name);
300 html("</a>");
301}
302
303void cgit_commit_link(char *name, char *title, char *class, char *head,
304 char *rev)
305{
306 if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
307 name[ctx.cfg.max_msg_len] = '\0';
308 name[ctx.cfg.max_msg_len - 1] = '.';
309 name[ctx.cfg.max_msg_len - 2] = '.';
310 name[ctx.cfg.max_msg_len - 3] = '.';
311 }
312 reporevlink("commit", name, title, class, head, rev, NULL);
313}
314
315void cgit_refs_link(char *name, char *title, char *class, char *head,
316 char *rev, char *path)
317{
318 reporevlink("refs", name, title, class, head, rev, path);
319}
320
321void cgit_snapshot_link(char *name, char *title, char *class, char *head,
322 char *rev, char *archivename)
323{
324 reporevlink("snapshot", name, title, class, head, rev, archivename);
325}
326
327void cgit_diff_link(char *name, char *title, char *class, char *head,
328 char *new_rev, char *old_rev, char *path)
329{
330 char *delim;
331
332 delim = repolink(title, class, "diff", head, path);
333 if (new_rev && strcmp(new_rev, ctx.qry.head)) {
334 html(delim);
335 html("id=");
336 html_attr(new_rev);
337 delim = "&";
338 }
339 if (old_rev) {
340 html(delim);
341 html("id2=");
342 html_attr(old_rev);
343 }
344 html("'>");
345 html_txt(name);
346 html("</a>");
347}
348
349void cgit_patch_link(char *name, char *title, char *class, char *head,
350 char *rev)
351{
352 reporevlink("patch", name, title, class, head, rev, NULL);
353}
354
355void cgit_object_link(struct object *obj)
356{
357 char *page, *arg, *url;
358
359 if (obj->type == OBJ_COMMIT) {
360 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
361 ctx.qry.head, sha1_to_hex(obj->sha1));
362 return;
363 } else if (obj->type == OBJ_TREE) {
364 page = "tree";
365 arg = "id";
366 } else if (obj->type == OBJ_TAG) {
367 page = "tag";
368 arg = "id";
369 } else {
370 page = "blob";
371 arg = "id";
372 }
373
374 url = cgit_pageurl(ctx.qry.repo, page,
375 fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
376 html_link_open(url, NULL, NULL);
377 htmlf("%s %s", typename(obj->type),
378 sha1_to_hex(obj->sha1));
379 html_link_close();
380}
381
382void cgit_print_date(time_t secs, char *format, int local_time)
383{
384 char buf[64];
385 struct tm *time;
386
387 if (!secs)
388 return;
389 if(local_time)
390 time = localtime(&secs);
391 else
392 time = gmtime(&secs);
393 strftime(buf, sizeof(buf)-1, format, time);
394 html_txt(buf);
395}
396
397void cgit_print_age(time_t t, time_t max_relative, char *format)
398{
399 time_t now, secs;
400
401 if (!t)
402 return;
403 time(&now);
404 secs = now - t;
405
406 if (secs > max_relative && max_relative >= 0) {
407 cgit_print_date(t, format, ctx.cfg.local_time);
408 return;
409 }
410
411 if (secs < TM_HOUR * 2) {
412 htmlf("<span class='age-mins'>%.0f min.</span>",
413 secs * 1.0 / TM_MIN);
414 return;
415 }
416 if (secs < TM_DAY * 2) {
417 htmlf("<span class='age-hours'>%.0f hours</span>",
418 secs * 1.0 / TM_HOUR);
419 return;
420 }
421 if (secs < TM_WEEK * 2) {
422 htmlf("<span class='age-days'>%.0f days</span>",
423 secs * 1.0 / TM_DAY);
424 return;
425 }
426 if (secs < TM_MONTH * 2) {
427 htmlf("<span class='age-weeks'>%.0f weeks</span>",
428 secs * 1.0 / TM_WEEK);
429 return;
430 }
431 if (secs < TM_YEAR * 2) {
432 htmlf("<span class='age-months'>%.0f months</span>",
433 secs * 1.0 / TM_MONTH);
434 return;
435 }
436 htmlf("<span class='age-years'>%.0f years</span>",
437 secs * 1.0 / TM_YEAR);
438}
439
440void cgit_print_http_headers(struct cgit_context *ctx)
441{
442 if (ctx->page.mimetype && ctx->page.charset)
443 htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
444 ctx->page.charset);
445 else if (ctx->page.mimetype)
446 htmlf("Content-Type: %s\n", ctx->page.mimetype);
447 if (ctx->page.size)
448 htmlf("Content-Length: %ld\n", ctx->page.size);
449 if (ctx->page.filename)
450 htmlf("Content-Disposition: inline; filename=\"%s\"\n",
451 ctx->page.filename);
452 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
453 htmlf("Expires: %s\n", http_date(ctx->page.expires));
454 html("\n");
455}
456
457void cgit_print_docstart(struct cgit_context *ctx)
458{
459 char *host = cgit_hosturl();
460 html(cgit_doctype);
461 html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
462 html("<head>\n");
463 html("<title>");
464 html_txt(ctx->page.title);
465 html("</title>\n");
466 htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
467 if (ctx->cfg.robots && *ctx->cfg.robots)
468 htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
469 html("<link rel='stylesheet' type='text/css' href='");
470 html_attr(ctx->cfg.css);
471 html("'/>\n");
472 if (ctx->cfg.favicon) {
473 html("<link rel='shortcut icon' href='");
474 html_attr(ctx->cfg.favicon);
475 html("'/>\n");
476 }
477 if (host && ctx->repo) {
478 html("<link rel='alternate' title='Atom feed' href='http://");
479 html_attr(cgit_hosturl());
480 html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
481 fmt("h=%s", ctx->qry.head)));
482 html("' type='application/atom+xml'/>");
483 }
484 html("</head>\n");
485 html("<body>\n");
486}
487
488void cgit_print_docend()
489{
490 html("</div>");
491 if (ctx.cfg.footer)
492 html_include(ctx.cfg.footer);
493 else {
494 html("<div class='footer'>generated ");
495 cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
496 htmlf(" by cgit %s", cgit_version);
497 html("</div>\n");
498 }
499 html("</body>\n</html>\n");
500}
501
502int print_branch_option(const char *refname, const unsigned char *sha1,
503 int flags, void *cb_data)
504{
505 char *name = (char *)refname;
506 html_option(name, name, ctx.qry.head);
507 return 0;
508}
509
510int print_archive_ref(const char *refname, const unsigned char *sha1,
511 int flags, void *cb_data)
512{
513 struct tag *tag;
514 struct taginfo *info;
515 struct object *obj;
516 char buf[256], *url;
517 unsigned char fileid[20];
518 int *header = (int *)cb_data;
519
520 if (prefixcmp(refname, "refs/archives"))
521 return 0;
522 strncpy(buf, refname+14, sizeof(buf));
523 obj = parse_object(sha1);
524 if (!obj)
525 return 1;
526 if (obj->type == OBJ_TAG) {
527 tag = lookup_tag(sha1);
528 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
529 return 0;
530 hashcpy(fileid, tag->tagged->sha1);
531 } else if (obj->type != OBJ_BLOB) {
532 return 0;
533 } else {
534 hashcpy(fileid, sha1);
535 }
536 if (!*header) {
537 html("<h1>download</h1>\n");
538 *header = 1;
539 }
540 url = cgit_pageurl(ctx.qry.repo, "blob",
541 fmt("id=%s&path=%s", sha1_to_hex(fileid),
542 buf));
543 html_link_open(url, NULL, "menu");
544 html_txt(strlpart(buf, 20));
545 html_link_close();
546 return 0;
547}
548
549void add_hidden_formfields(int incl_head, int incl_search, char *page)
550{
551 char *url;
552
553 if (!ctx.cfg.virtual_root) {
554 url = fmt("%s/%s", ctx.qry.repo, page);
555 if (ctx.qry.path)
556 url = fmt("%s/%s", url, ctx.qry.path);
557 html_hidden("url", url);
558 }
559
560 if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
561 strcmp(ctx.qry.head, ctx.repo->defbranch))
562 html_hidden("h", ctx.qry.head);
563
564 if (ctx.qry.sha1)
565 html_hidden("id", ctx.qry.sha1);
566 if (ctx.qry.sha2)
567 html_hidden("id2", ctx.qry.sha2);
568
569 if (incl_search) {
570 if (ctx.qry.grep)
571 html_hidden("qt", ctx.qry.grep);
572 if (ctx.qry.search)
573 html_hidden("q", ctx.qry.search);
574 }
575}
576
577char *hc(struct cgit_cmd *cmd, const char *page)
578{
579 return (strcmp(cmd->name, page) ? NULL : "active");
580}
581
582void cgit_print_pageheader(struct cgit_context *ctx)
583{
584 struct cgit_cmd *cmd = cgit_get_cmd(ctx);
585
586 html("<table id='header'>\n");
587 html("<tr>\n");
588 html("<td class='logo' rowspan='2'><a href='");
589 if (ctx->cfg.logo_link)
590 html_attr(ctx->cfg.logo_link);
591 else
592 html_attr(cgit_rooturl());
593 html("'><img src='");
594 html_attr(ctx->cfg.logo);
595 html("' alt='cgit logo'/></a></td>\n");
596
597 html("<td class='main'>");
598 if (ctx->repo) {
599 cgit_index_link("index", NULL, NULL, NULL, 0);
600 html(" : ");
601 reporevlink(NULL, ctx->repo->name, NULL, hc(cmd, "summary"),
602 ctx->qry.head, NULL, NULL);
603 html("</td><td class='form'>");
604 html("<form method='get' action=''>\n");
605 add_hidden_formfields(0, 1, ctx->qry.page);
606 html("<select name='h' onchange='this.form.submit();'>\n");
607 for_each_branch_ref(print_branch_option, ctx->qry.head);
608 html("</select> ");
609 html("<input type='submit' name='' value='switch'/>");
610 html("</form>");
611 } else
612 html_txt(ctx->cfg.root_title);
613 html("</td></tr>\n");
614
615 html("<tr><td class='sub'>");
616 if (ctx->repo) {
617 html_txt(ctx->repo->desc);
618 html("</td><td class='sub right'>");
619 html_txt(ctx->repo->owner);
620 } else {
621 if (ctx->cfg.root_desc)
622 html_txt(ctx->cfg.root_desc);
623 else if (ctx->cfg.index_info)
624 html_include(ctx->cfg.index_info);
625 }
626 html("</td></tr></table>\n");
627
628 html("<table class='tabs'><tr><td>\n");
629 if (ctx->repo) {
630 reporevlink(NULL, "summary", NULL, hc(cmd, "summary"),
631 ctx->qry.head, NULL, NULL);
632 cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
633 ctx->qry.sha1, NULL);
634 cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
635 NULL, NULL, 0, NULL, NULL);
636 cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
637 ctx->qry.sha1, NULL);
638 cgit_commit_link("commit", NULL, hc(cmd, "commit"),
639 ctx->qry.head, ctx->qry.sha1);
640 cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
641 ctx->qry.sha1, ctx->qry.sha2, NULL);
642 if (ctx->repo->readme)
643 reporevlink("about", "about", NULL,
644 hc(cmd, "about"), ctx->qry.head, NULL,
645 NULL);
646 html("</td><td class='form'>");
647 html("<form class='right' method='get' action='");
648 if (ctx->cfg.virtual_root)
649 html_attr(cgit_fileurl(ctx->qry.repo, "log",
650 ctx->qry.path, NULL));
651 html("'>\n");
652 add_hidden_formfields(1, 0, "log");
653 html("<select name='qt'>\n");
654 html_option("grep", "log msg", ctx->qry.grep);
655 html_option("author", "author", ctx->qry.grep);
656 html_option("committer", "committer", ctx->qry.grep);
657 html("</select>\n");
658 html("<input class='txt' type='text' size='10' name='q' value='");
659 html_attr(ctx->qry.search);
660 html("'/>\n");
661 html("<input type='submit' value='search'/>\n");
662 html("</form>\n");
663 } else {
664 site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
665 if (ctx->cfg.root_readme)
666 site_link("about", "about", NULL, hc(cmd, "about"),
667 NULL, 0);
668 html("</td><td class='form'>");
669 html("<form method='get' action='");
670 html_attr(cgit_rooturl());
671 html("'>\n");
672 html("<input type='text' name='q' size='10' value='");
673 html_attr(ctx->qry.search);
674 html("'/>\n");
675 html("<input type='submit' value='search'/>\n");
676 html("</form>");
677 }
678 html("</td></tr></table>\n");
679 html("<div class='content'>");
680}
681
682void cgit_print_filemode(unsigned short mode)
683{
684 if (S_ISDIR(mode))
685 html("d");
686 else if (S_ISLNK(mode))
687 html("l");
688 else if (S_ISGITLINK(mode))
689 html("m");
690 else
691 html("-");
692 html_fileperm(mode >> 6);
693 html_fileperm(mode >> 3);
694 html_fileperm(mode);
695}
696
697void cgit_print_snapshot_links(const char *repo, const char *head,
698 const char *hex, int snapshots)
699{
700 const struct cgit_snapshot_format* f;
701 char *filename;
702
703 for (f = cgit_snapshot_formats; f->suffix; f++) {
704 if (!(snapshots & f->bit))
705 continue;
706 filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
707 f->suffix);
708 cgit_snapshot_link(filename, NULL, NULL, (char *)head,
709 (char *)hex, filename);
710 html("<br/>");
711 }
712}