]> gitweb.ps.run Git - ps-cgit/blob - ui-repolist.c
ui-repolist: fix resource leak: free before return
[ps-cgit] / ui-repolist.c
1 /* ui-repolist.c: functions for generating the repolist 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-repolist.h"
11 #include "html.h"
12 #include "ui-shared.h"
13
14 static time_t read_agefile(char *path)
15 {
16         time_t result;
17         size_t size;
18         char *buf;
19         struct strbuf date_buf = STRBUF_INIT;
20
21         if (readfile(path, &buf, &size)) {
22                 free(buf);
23                 return -1;
24         }
25
26         if (parse_date(buf, &date_buf) == 0)
27                 result = strtoul(date_buf.buf, NULL, 10);
28         else
29                 result = 0;
30         free(buf);
31         strbuf_release(&date_buf);
32         return result;
33 }
34
35 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
36 {
37         struct strbuf path = STRBUF_INIT;
38         struct stat s;
39         struct cgit_repo *r = (struct cgit_repo *)repo;
40
41         if (repo->mtime != -1) {
42                 *mtime = repo->mtime;
43                 return 1;
44         }
45         strbuf_addf(&path, "%s/%s", repo->path, ctx.cfg.agefile);
46         if (stat(path.buf, &s) == 0) {
47                 *mtime = read_agefile(path.buf);
48                 if (*mtime) {
49                         r->mtime = *mtime;
50                         goto end;
51                 }
52         }
53
54         strbuf_reset(&path);
55         strbuf_addf(&path, "%s/refs/heads/%s", repo->path,
56                     repo->defbranch ? repo->defbranch : "master");
57         if (stat(path.buf, &s) == 0) {
58                 *mtime = s.st_mtime;
59                 r->mtime = *mtime;
60                 goto end;
61         }
62
63         strbuf_reset(&path);
64         strbuf_addf(&path, "%s/%s", repo->path, "packed-refs");
65         if (stat(path.buf, &s) == 0) {
66                 *mtime = s.st_mtime;
67                 r->mtime = *mtime;
68                 goto end;
69         }
70
71         *mtime = 0;
72         r->mtime = *mtime;
73 end:
74         strbuf_release(&path);
75         return (r->mtime != 0);
76 }
77
78 static void print_modtime(struct cgit_repo *repo)
79 {
80         time_t t;
81         if (get_repo_modtime(repo, &t))
82                 cgit_print_age(t, -1, NULL);
83 }
84
85 static int is_match(struct cgit_repo *repo)
86 {
87         if (!ctx.qry.search)
88                 return 1;
89         if (repo->url && strcasestr(repo->url, ctx.qry.search))
90                 return 1;
91         if (repo->name && strcasestr(repo->name, ctx.qry.search))
92                 return 1;
93         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
94                 return 1;
95         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
96                 return 1;
97         return 0;
98 }
99
100 static int is_in_url(struct cgit_repo *repo)
101 {
102         if (!ctx.qry.url)
103                 return 1;
104         if (repo->url && starts_with(repo->url, ctx.qry.url))
105                 return 1;
106         return 0;
107 }
108
109 static void print_sort_header(const char *title, const char *sort)
110 {
111         html("<th class='left'><a href='");
112         html_attr(cgit_currenturl());
113         htmlf("?s=%s", sort);
114         if (ctx.qry.search) {
115                 html("&amp;q=");
116                 html_url_arg(ctx.qry.search);
117         }
118         htmlf("'>%s</a></th>", title);
119 }
120
121 static void print_header(void)
122 {
123         html("<tr class='nohover'>");
124         print_sort_header("Name", "name");
125         print_sort_header("Description", "desc");
126         if (ctx.cfg.enable_index_owner)
127                 print_sort_header("Owner", "owner");
128         print_sort_header("Idle", "idle");
129         if (ctx.cfg.enable_index_links)
130                 html("<th class='left'>Links</th>");
131         html("</tr>\n");
132 }
133
134
135 static void print_pager(int items, int pagelen, char *search, char *sort)
136 {
137         int i, ofs;
138         char *class = NULL;
139         html("<ul class='pager'>");
140         for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
141                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
142                 html("<li>");
143                 cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
144                                 class, search, sort, ofs, 0);
145                 html("</li>");
146         }
147         html("</ul>");
148 }
149
150 static int cmp(const char *s1, const char *s2)
151 {
152         if (s1 && s2) {
153                 if (ctx.cfg.case_sensitive_sort)
154                         return strcmp(s1, s2);
155                 else
156                         return strcasecmp(s1, s2);
157         }
158         if (s1 && !s2)
159                 return -1;
160         if (s2 && !s1)
161                 return 1;
162         return 0;
163 }
164
165 static int sort_section(const void *a, const void *b)
166 {
167         const struct cgit_repo *r1 = a;
168         const struct cgit_repo *r2 = b;
169         int result;
170         time_t t;
171
172         result = cmp(r1->section, r2->section);
173         if (!result) {
174                 if (!strcmp(ctx.cfg.repository_sort, "age")) {
175                         // get_repo_modtime caches the value in r->mtime, so we don't
176                         // have to worry about inefficiencies here.
177                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
178                                 result = r2->mtime - r1->mtime;
179                 }
180                 if (!result)
181                         result = cmp(r1->name, r2->name);
182         }
183         return result;
184 }
185
186 static int sort_name(const void *a, const void *b)
187 {
188         const struct cgit_repo *r1 = a;
189         const struct cgit_repo *r2 = b;
190
191         return cmp(r1->name, r2->name);
192 }
193
194 static int sort_desc(const void *a, const void *b)
195 {
196         const struct cgit_repo *r1 = a;
197         const struct cgit_repo *r2 = b;
198
199         return cmp(r1->desc, r2->desc);
200 }
201
202 static int sort_owner(const void *a, const void *b)
203 {
204         const struct cgit_repo *r1 = a;
205         const struct cgit_repo *r2 = b;
206
207         return cmp(r1->owner, r2->owner);
208 }
209
210 static int sort_idle(const void *a, const void *b)
211 {
212         const struct cgit_repo *r1 = a;
213         const struct cgit_repo *r2 = b;
214         time_t t1, t2;
215
216         t1 = t2 = 0;
217         get_repo_modtime(r1, &t1);
218         get_repo_modtime(r2, &t2);
219         return t2 - t1;
220 }
221
222 struct sortcolumn {
223         const char *name;
224         int (*fn)(const void *a, const void *b);
225 };
226
227 static const struct sortcolumn sortcolumn[] = {
228         {"section", sort_section},
229         {"name", sort_name},
230         {"desc", sort_desc},
231         {"owner", sort_owner},
232         {"idle", sort_idle},
233         {NULL, NULL}
234 };
235
236 static int sort_repolist(char *field)
237 {
238         const struct sortcolumn *column;
239
240         for (column = &sortcolumn[0]; column->name; column++) {
241                 if (strcmp(field, column->name))
242                         continue;
243                 qsort(cgit_repolist.repos, cgit_repolist.count,
244                         sizeof(struct cgit_repo), column->fn);
245                 return 1;
246         }
247         return 0;
248 }
249
250
251 void cgit_print_repolist(void)
252 {
253         int i, columns = 3, hits = 0, header = 0;
254         char *last_section = NULL;
255         char *section;
256         int sorted = 0;
257
258         if (ctx.cfg.enable_index_links)
259                 ++columns;
260         if (ctx.cfg.enable_index_owner)
261                 ++columns;
262
263         ctx.page.title = ctx.cfg.root_title;
264         cgit_print_http_headers();
265         cgit_print_docstart();
266         cgit_print_pageheader();
267
268         if (ctx.cfg.index_header)
269                 html_include(ctx.cfg.index_header);
270
271         if (ctx.qry.sort)
272                 sorted = sort_repolist(ctx.qry.sort);
273         else if (ctx.cfg.section_sort)
274                 sort_repolist("section");
275
276         html("<table summary='repository list' class='list nowrap'>");
277         for (i = 0; i < cgit_repolist.count; i++) {
278                 ctx.repo = &cgit_repolist.repos[i];
279                 if (ctx.repo->hide || ctx.repo->ignore)
280                         continue;
281                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
282                         continue;
283                 hits++;
284                 if (hits <= ctx.qry.ofs)
285                         continue;
286                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
287                         continue;
288                 if (!header++)
289                         print_header();
290                 section = ctx.repo->section;
291                 if (section && !strcmp(section, ""))
292                         section = NULL;
293                 if (!sorted &&
294                     ((last_section == NULL && section != NULL) ||
295                     (last_section != NULL && section == NULL) ||
296                     (last_section != NULL && section != NULL &&
297                      strcmp(section, last_section)))) {
298                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
299                               columns);
300                         html_txt(section);
301                         html("</td></tr>");
302                         last_section = section;
303                 }
304                 htmlf("<tr><td class='%s'>",
305                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
306                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
307                 html("</td><td>");
308                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
309                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
310                 html_link_close();
311                 html("</td><td>");
312                 if (ctx.cfg.enable_index_owner) {
313                         if (ctx.repo->owner_filter) {
314                                 cgit_open_filter(ctx.repo->owner_filter);
315                                 html_txt(ctx.repo->owner);
316                                 cgit_close_filter(ctx.repo->owner_filter);
317                         } else {
318                                 html("<a href='");
319                                 html_attr(cgit_currenturl());
320                                 html("?q=");
321                                 html_url_arg(ctx.repo->owner);
322                                 html("'>");
323                                 html_txt(ctx.repo->owner);
324                                 html("</a>");
325                         }
326                         html("</td><td>");
327                 }
328                 print_modtime(ctx.repo);
329                 html("</td>");
330                 if (ctx.cfg.enable_index_links) {
331                         html("<td>");
332                         cgit_summary_link("summary", NULL, "button", NULL);
333                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
334                                       0, NULL, NULL, ctx.qry.showmsg, 0);
335                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
336                         html("</td>");
337                 }
338                 html("</tr>\n");
339         }
340         html("</table>");
341         if (!hits)
342                 cgit_print_error("No repositories found");
343         else if (hits > ctx.cfg.max_repo_count)
344                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
345         cgit_print_docend();
346 }
347
348 void cgit_print_site_readme(void)
349 {
350         cgit_print_layout_start();
351         if (!ctx.cfg.root_readme)
352                 goto done;
353         cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
354         html_include(ctx.cfg.root_readme);
355         cgit_close_filter(ctx.cfg.about_filter);
356 done:
357         cgit_print_layout_end();
358 }