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