ui-summary.c

   1 /* ui-summary.c: functions for generating repo summary page
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  * Copyright (C) 2010-2013 Jason A. Donenfeld <Jason@zx2c4.com>
   5  *
   6  * Licensed under GNU General Public License v2
   7  *   (see COPYING for full license text)
   8  */
   9
  10 #include "cgit.h"
  11 #include "ui-summary.h"
  12 #include "html.h"
  13 #include "ui-log.h"
  14 #include "ui-refs.h"
  15 #include "ui-blob.h"
  16 #include <libgen.h>
  17
  18 static void print_url(char *base, char *suffix)
  19 {
  20         int columns = 3;
  21         struct strbuf basebuf = STRBUF_INIT;
  22
  23         if (ctx.repo->enable_log_filecount)
  24                 columns++;
  25         if (ctx.repo->enable_log_linecount)
  26                 columns++;
  27
  28         if (!base || !*base)
  29                 return;
  30         if (suffix && *suffix) {
  31                 strbuf_addf(&basebuf, "%s/%s", base, suffix);
  32                 base = basebuf.buf;
  33         }
  34         htmlf("<tr><td colspan='%d'><a href='", columns);
  35         html_url_path(base);
  36         html("'>");
  37         html_txt(base);
  38         html("</a></td></tr>\n");
  39         strbuf_release(&basebuf);
  40 }
  41
  42 static void print_urls(char *txt, char *suffix)
  43 {
  44         char *h = txt, *t, c;
  45         int urls = 0;
  46         int columns = 3;
  47
  48         if (ctx.repo->enable_log_filecount)
  49                 columns++;
  50         if (ctx.repo->enable_log_linecount)
  51                 columns++;
  52
  53
  54         while (h && *h) {
  55                 while (h && *h == ' ')
  56                         h++;
  57                 if (!*h)
  58                         break;
  59                 t = h;
  60                 while (t && *t && *t != ' ')
  61                         t++;
  62                 c = *t;
  63                 *t = 0;
  64                 if (urls++ == 0) {
  65                         htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  66                         htmlf("<tr><th class='left' colspan='%d'>Clone</th></tr>\n", columns);
  67                 }
  68                 print_url(h, suffix);
  69                 *t = c;
  70                 h = t;
  71         }
  72 }
  73
  74 void cgit_print_summary()
  75 {
  76         int columns = 3;
  77
  78         if (ctx.repo->enable_log_filecount)
  79                 columns++;
  80         if (ctx.repo->enable_log_linecount)
  81                 columns++;
  82
  83         html("<table summary='repository info' class='list nowrap'>");
  84         cgit_print_branches(ctx.cfg.summary_branches);
  85         htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  86         cgit_print_tags(ctx.cfg.summary_tags);
  87         if (ctx.cfg.summary_log > 0) {
  88                 htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
  89                 cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
  90                                NULL, NULL, 0, 0, 0);
  91         }
  92         if (ctx.repo->clone_url)
  93                 print_urls(expand_macros(ctx.repo->clone_url), NULL);
  94         else if (ctx.cfg.clone_prefix)
  95                 print_urls(ctx.cfg.clone_prefix, ctx.repo->url);
  96         html("</table>");
  97 }
  98
  99 /* The caller must free the return value. */
 100 static char* append_readme_path(const char *filename, const char *ref, const char *path)
 101 {
 102         char *file, *base_dir, *full_path, *resolved_base = NULL, *resolved_full = NULL;
 103         /* If a subpath is specified for the about page, make it relative
 104          * to the directory containing the configured readme. */
 105
 106         file = xstrdup(filename);
 107         base_dir = dirname(file);
 108         if (!strcmp(base_dir, ".") || !strcmp(base_dir, "..")) {
 109                 if (!ref) {
 110                         free(file);
 111                         return NULL;
 112                 }
 113                 full_path = xstrdup(path);
 114         } else
 115                 full_path = fmtalloc("%s/%s", base_dir, path);
 116
 117         if (!ref) {
 118                 resolved_base = realpath(base_dir, NULL);
 119                 resolved_full = realpath(full_path, NULL);
 120                 if (!resolved_base || !resolved_full || strncmp(resolved_base, resolved_full, strlen(resolved_base))) {
 121                         free(full_path);
 122                         full_path = NULL;
 123                 }
 124         }
 125
 126         free(file);
 127         free(resolved_base);
 128         free(resolved_full);
 129
 130         return full_path;
 131 }
 132
 133 void cgit_print_repo_readme(char *path)
 134 {
 135         char *filename, *ref;
 136         int free_filename = 0;
 137
 138         if (ctx.repo->readme.nr == 0)
 139                 return;
 140
 141         filename = ctx.repo->readme.items[0].string;
 142         ref = ctx.repo->readme.items[0].util;
 143
 144         if (path) {
 145                 free_filename = 1;
 146                 filename = append_readme_path(filename, ref, path);
 147                 if (!filename)
 148                         return;
 149         }
 150
 151         /* Print the calculated readme, either from the git repo or from the
 152          * filesystem, while applying the about-filter.
 153          */
 154         html("<div id='summary'>");
 155         if (ctx.repo->about_filter) {
 156                 ctx.repo->about_filter->argv[1] = filename;
 157                 cgit_open_filter(ctx.repo->about_filter);
 158         }
 159         if (ref)
 160                 cgit_print_file(filename, ref, 1);
 161         else
 162                 html_include(filename);
 163         if (ctx.repo->about_filter) {
 164                 cgit_close_filter(ctx.repo->about_filter);
 165                 ctx.repo->about_filter->argv[1] = NULL;
 166         }
 167         html("</div>");
 168         if (free_filename)
 169                 free(filename);
 170 }