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-log.h"
 13#include "ui-refs.h"
 14#include "ui-blob.h"
 15#include "ui-shared.h"
 16#include <libgen.h>
 17
 18static int urls;
 19
 20static 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
 43void 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	html("<table summary='repository info' class='list nowrap'>");
 53	cgit_print_branches(ctx.cfg.summary_branches);
 54	htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
 55	cgit_print_tags(ctx.cfg.summary_tags);
 56	if (ctx.cfg.summary_log > 0) {
 57		htmlf("<tr class='nohover'><td colspan='%d'>&nbsp;</td></tr>", columns);
 58		cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
 59			       NULL, NULL, 0, 0, 0);
 60	}
 61	urls = 0;
 62	cgit_add_clone_urls(print_url);
 63	html("</table>");
 64}
 65
 66/* The caller must free the return value. */
 67static char* append_readme_path(const char *filename, const char *ref, const char *path)
 68{
 69	char *file, *base_dir, *full_path, *resolved_base = NULL, *resolved_full = NULL;
 70	/* If a subpath is specified for the about page, make it relative
 71	 * to the directory containing the configured readme. */
 72
 73	file = xstrdup(filename);
 74	base_dir = dirname(file);
 75	if (!strcmp(base_dir, ".") || !strcmp(base_dir, "..")) {
 76		if (!ref) {
 77			free(file);
 78			return NULL;
 79		}
 80		full_path = xstrdup(path);
 81	} else
 82		full_path = fmtalloc("%s/%s", base_dir, path);
 83
 84	if (!ref) {
 85		resolved_base = realpath(base_dir, NULL);
 86		resolved_full = realpath(full_path, NULL);
 87		if (!resolved_base || !resolved_full || !starts_with(resolved_full, resolved_base)) {
 88			free(full_path);
 89			full_path = NULL;
 90		}
 91	}
 92
 93	free(file);
 94	free(resolved_base);
 95	free(resolved_full);
 96
 97	return full_path;
 98}
 99
100void cgit_print_repo_readme(char *path)
101{
102	char *filename, *ref;
103	int free_filename = 0;
104
105	if (ctx.repo->readme.nr == 0)
106		return;
107
108	filename = ctx.repo->readme.items[0].string;
109	ref = ctx.repo->readme.items[0].util;
110
111	if (path) {
112		free_filename = 1;
113		filename = append_readme_path(filename, ref, path);
114		if (!filename)
115			return;
116	}
117
118	/* Print the calculated readme, either from the git repo or from the
119	 * filesystem, while applying the about-filter.
120	 */
121	html("<div id='summary'>");
122	cgit_open_filter(ctx.repo->about_filter, filename);
123	if (ref)
124		cgit_print_file(filename, ref, 1);
125	else
126		html_include(filename);
127	cgit_close_filter(ctx.repo->about_filter);
128
129	html("</div>");
130	if (free_filename)
131		free(filename);
132}