ui-summary.c

   1 /* ui-summary.c: functions for generating repo summary page
   2  *
   3  * Copyright (C) 2006-2014 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-summary.h"
  11 #include "html.h"
  12 #include "ui-blob.h"
  13 #include "ui-log.h"
  14 #include "ui-plain.h"
  15 #include "ui-refs.h"
  16 #include "ui-shared.h"
  17
  18 static int urls;
  19
  20 static void print_url(const char *url)
  21 {
  22         int columns = 3;
  23
  24         if (ctx.repo->enable_log_filecount)
  25                 columns++;
  26         if (ctx.repo->enable_log_linecount)
  27                 columns++;
  28
  29         if (urls++ == 0) {
  30                 htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  31                 htmlf("<tr class='nohover'><th class='left' colspan='%d'>Clone</th></tr>\n", columns);
  32         }
  33
  34         htmlf("<tr><td colspan='%d'><a rel='vcs-git' href='", columns);
  35         html_url_path(url);
  36         html("' title='");
  37         html_attr(ctx.repo->name);
  38         html(" Git repository'>");
  39         html_txt(url);
  40         html("</a></td></tr>\n");
  41 }
  42
  43 void cgit_print_summary(void)
  44 {
  45         int columns = 3;
  46
  47         if (ctx.repo->enable_log_filecount)
  48                 columns++;
  49         if (ctx.repo->enable_log_linecount)
  50                 columns++;
  51
  52         cgit_print_layout_start();
  53         html("<table summary='repository info' class='list nowrap'>");
  54         cgit_print_branches(ctx.cfg.summary_branches);
  55         htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  56         cgit_print_tags(ctx.cfg.summary_tags);
  57         if (ctx.cfg.summary_log > 0) {
  58                 htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  59                 cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
  60                                NULL, NULL, 0, 0, 0);
  61         }
  62         urls = 0;
  63         cgit_add_clone_urls(print_url);
  64         html("</table>");
  65         cgit_print_layout_end();
  66 }
  67
  68 /* The caller must free the return value. */
  69 static char* append_readme_path(const char *filename, const char *ref, const char *path)
  70 {
  71         char *file, *base_dir, *full_path, *resolved_base = NULL, *resolved_full = NULL;
  72         /* If a subpath is specified for the about page, make it relative
  73          * to the directory containing the configured readme. */
  74
  75         file = xstrdup(filename);
  76         base_dir = dirname(file);
  77         if (!strcmp(base_dir, ".") || !strcmp(base_dir, "..")) {
  78                 if (!ref) {
  79                         free(file);
  80                         return NULL;
  81                 }
  82                 full_path = xstrdup(path);
  83         } else
  84                 full_path = fmtalloc("%s/%s", base_dir, path);
  85
  86         if (!ref) {
  87                 resolved_base = realpath(base_dir, NULL);
  88                 resolved_full = realpath(full_path, NULL);
  89                 if (!resolved_base || !resolved_full || !starts_with(resolved_full, resolved_base)) {
  90                         free(full_path);
  91                         full_path = NULL;
  92                 }
  93         }
  94
  95         free(file);
  96         free(resolved_base);
  97         free(resolved_full);
  98
  99         return full_path;
 100 }
 101
 102 void cgit_print_repo_readme(const char *path)
 103 {
 104         char *filename, *ref, *mimetype;
 105         int free_filename = 0;
 106
 107         mimetype = get_mimetype_for_filename(path);
 108         if (mimetype && (!strncmp(mimetype, "image/", 6) || !strncmp(mimetype, "video/", 6))) {
 109                 ctx.page.mimetype = mimetype;
 110                 ctx.page.charset = NULL;
 111                 cgit_print_plain();
 112                 free(mimetype);
 113                 return;
 114         }
 115         free(mimetype);
 116
 117         cgit_print_layout_start();
 118         if (ctx.repo->readme.nr == 0)
 119                 goto done;
 120
 121         filename = ctx.repo->readme.items[0].string;
 122         ref = ctx.repo->readme.items[0].util;
 123
 124         if (path) {
 125                 free_filename = 1;
 126                 filename = append_readme_path(filename, ref, path);
 127                 if (!filename)
 128                         goto done;
 129         }
 130
 131         /* Print the calculated readme, either from the git repo or from the
 132          * filesystem, while applying the about-filter.
 133          */
 134         html("<div id='summary'>");
 135         cgit_open_filter(ctx.repo->about_filter, filename);
 136         if (ref)
 137                 cgit_print_file(filename, ref, 1);
 138         else
 139                 html_include(filename);
 140         cgit_close_filter(ctx.repo->about_filter);
 141
 142         html("</div>");
 143         if (free_filename)
 144                 free(filename);
 145
 146 done:
 147         cgit_print_layout_end();
 148 }