cgit.c (view raw)
1/* cgit.c: cgi for the git scm
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 "cache.h"
11#include "cmd.h"
12#include "configfile.h"
13#include "html.h"
14#include "ui-shared.h"
15#include "ui-stats.h"
16#include "scan-tree.h"
17
18const char *cgit_version = CGIT_VERSION;
19
20void add_mimetype(const char *name, const char *value)
21{
22 struct string_list_item *item;
23
24 item = string_list_insert(xstrdup(name), &ctx.cfg.mimetypes);
25 item->util = xstrdup(value);
26}
27
28struct cgit_filter *new_filter(const char *cmd, int extra_args)
29{
30 struct cgit_filter *f;
31
32 if (!cmd || !cmd[0])
33 return NULL;
34
35 f = xmalloc(sizeof(struct cgit_filter));
36 f->cmd = xstrdup(cmd);
37 f->argv = xmalloc((2 + extra_args) * sizeof(char *));
38 f->argv[0] = f->cmd;
39 f->argv[1] = NULL;
40 return f;
41}
42
43static void process_cached_repolist(const char *path);
44
45void repo_config(struct cgit_repo *repo, const char *name, const char *value)
46{
47 if (!strcmp(name, "name"))
48 repo->name = xstrdup(value);
49 else if (!strcmp(name, "clone-url"))
50 repo->clone_url = xstrdup(value);
51 else if (!strcmp(name, "desc"))
52 repo->desc = xstrdup(value);
53 else if (!strcmp(name, "owner"))
54 repo->owner = xstrdup(value);
55 else if (!strcmp(name, "defbranch"))
56 repo->defbranch = xstrdup(value);
57 else if (!strcmp(name, "snapshots"))
58 repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
59 else if (!strcmp(name, "enable-log-filecount"))
60 repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
61 else if (!strcmp(name, "enable-log-linecount"))
62 repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
63 else if (!strcmp(name, "max-stats"))
64 repo->max_stats = cgit_find_stats_period(value, NULL);
65 else if (!strcmp(name, "module-link"))
66 repo->module_link= xstrdup(value);
67 else if (!strcmp(name, "section"))
68 repo->section = xstrdup(value);
69 else if (!strcmp(name, "about-filter"))
70 repo->about_filter = new_filter(value, 0);
71 else if (!strcmp(name, "commit-filter"))
72 repo->commit_filter = new_filter(value, 0);
73 else if (!strcmp(name, "source-filter"))
74 repo->source_filter = new_filter(value, 1);
75 else if (!strcmp(name, "readme") && value != NULL) {
76 if (*value == '/')
77 ctx.repo->readme = xstrdup(value);
78 else
79 ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
80 }
81}
82
83void config_cb(const char *name, const char *value)
84{
85 if (!strcmp(name, "section") || !strcmp(name, "repo.group"))
86 ctx.cfg.section = xstrdup(value);
87 else if (!strcmp(name, "repo.url"))
88 ctx.repo = cgit_add_repo(value);
89 else if (ctx.repo && !strcmp(name, "repo.path"))
90 ctx.repo->path = trim_end(value, '/');
91 else if (ctx.repo && !prefixcmp(name, "repo."))
92 repo_config(ctx.repo, name + 5, value);
93 else if (!strcmp(name, "root-title"))
94 ctx.cfg.root_title = xstrdup(value);
95 else if (!strcmp(name, "root-desc"))
96 ctx.cfg.root_desc = xstrdup(value);
97 else if (!strcmp(name, "root-readme"))
98 ctx.cfg.root_readme = xstrdup(value);
99 else if (!strcmp(name, "css"))
100 ctx.cfg.css = xstrdup(value);
101 else if (!strcmp(name, "favicon"))
102 ctx.cfg.favicon = xstrdup(value);
103 else if (!strcmp(name, "footer"))
104 ctx.cfg.footer = xstrdup(value);
105 else if (!strcmp(name, "head-include"))
106 ctx.cfg.head_include = xstrdup(value);
107 else if (!strcmp(name, "header"))
108 ctx.cfg.header = xstrdup(value);
109 else if (!strcmp(name, "logo"))
110 ctx.cfg.logo = xstrdup(value);
111 else if (!strcmp(name, "index-header"))
112 ctx.cfg.index_header = xstrdup(value);
113 else if (!strcmp(name, "index-info"))
114 ctx.cfg.index_info = xstrdup(value);
115 else if (!strcmp(name, "logo-link"))
116 ctx.cfg.logo_link = xstrdup(value);
117 else if (!strcmp(name, "module-link"))
118 ctx.cfg.module_link = xstrdup(value);
119 else if (!strcmp(name, "virtual-root")) {
120 ctx.cfg.virtual_root = trim_end(value, '/');
121 if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
122 ctx.cfg.virtual_root = "";
123 } else if (!strcmp(name, "nocache"))
124 ctx.cfg.nocache = atoi(value);
125 else if (!strcmp(name, "noplainemail"))
126 ctx.cfg.noplainemail = atoi(value);
127 else if (!strcmp(name, "noheader"))
128 ctx.cfg.noheader = atoi(value);
129 else if (!strcmp(name, "snapshots"))
130 ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
131 else if (!strcmp(name, "enable-index-links"))
132 ctx.cfg.enable_index_links = atoi(value);
133 else if (!strcmp(name, "enable-log-filecount"))
134 ctx.cfg.enable_log_filecount = atoi(value);
135 else if (!strcmp(name, "enable-log-linecount"))
136 ctx.cfg.enable_log_linecount = atoi(value);
137 else if (!strcmp(name, "max-stats"))
138 ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
139 else if (!strcmp(name, "cache-size"))
140 ctx.cfg.cache_size = atoi(value);
141 else if (!strcmp(name, "cache-root"))
142 ctx.cfg.cache_root = xstrdup(value);
143 else if (!strcmp(name, "cache-root-ttl"))
144 ctx.cfg.cache_root_ttl = atoi(value);
145 else if (!strcmp(name, "cache-repo-ttl"))
146 ctx.cfg.cache_repo_ttl = atoi(value);
147 else if (!strcmp(name, "cache-scanrc-ttl"))
148 ctx.cfg.cache_scanrc_ttl = atoi(value);
149 else if (!strcmp(name, "cache-static-ttl"))
150 ctx.cfg.cache_static_ttl = atoi(value);
151 else if (!strcmp(name, "cache-dynamic-ttl"))
152 ctx.cfg.cache_dynamic_ttl = atoi(value);
153 else if (!strcmp(name, "about-filter"))
154 ctx.cfg.about_filter = new_filter(value, 0);
155 else if (!strcmp(name, "commit-filter"))
156 ctx.cfg.commit_filter = new_filter(value, 0);
157 else if (!strcmp(name, "embedded"))
158 ctx.cfg.embedded = atoi(value);
159 else if (!strcmp(name, "max-message-length"))
160 ctx.cfg.max_msg_len = atoi(value);
161 else if (!strcmp(name, "max-repodesc-length"))
162 ctx.cfg.max_repodesc_len = atoi(value);
163 else if (!strcmp(name, "max-repo-count"))
164 ctx.cfg.max_repo_count = atoi(value);
165 else if (!strcmp(name, "max-commit-count"))
166 ctx.cfg.max_commit_count = atoi(value);
167 else if (!strcmp(name, "scan-path"))
168 if (!ctx.cfg.nocache && ctx.cfg.cache_size)
169 process_cached_repolist(value);
170 else
171 scan_tree(value, repo_config);
172 else if (!strcmp(name, "source-filter"))
173 ctx.cfg.source_filter = new_filter(value, 1);
174 else if (!strcmp(name, "summary-log"))
175 ctx.cfg.summary_log = atoi(value);
176 else if (!strcmp(name, "summary-branches"))
177 ctx.cfg.summary_branches = atoi(value);
178 else if (!strcmp(name, "summary-tags"))
179 ctx.cfg.summary_tags = atoi(value);
180 else if (!strcmp(name, "agefile"))
181 ctx.cfg.agefile = xstrdup(value);
182 else if (!strcmp(name, "renamelimit"))
183 ctx.cfg.renamelimit = atoi(value);
184 else if (!strcmp(name, "robots"))
185 ctx.cfg.robots = xstrdup(value);
186 else if (!strcmp(name, "clone-prefix"))
187 ctx.cfg.clone_prefix = xstrdup(value);
188 else if (!strcmp(name, "local-time"))
189 ctx.cfg.local_time = atoi(value);
190 else if (!prefixcmp(name, "mimetype."))
191 add_mimetype(name + 9, value);
192 else if (!strcmp(name, "include"))
193 parse_configfile(value, config_cb);
194}
195
196static void querystring_cb(const char *name, const char *value)
197{
198 if (!value)
199 value = "";
200
201 if (!strcmp(name,"r")) {
202 ctx.qry.repo = xstrdup(value);
203 ctx.repo = cgit_get_repoinfo(value);
204 } else if (!strcmp(name, "p")) {
205 ctx.qry.page = xstrdup(value);
206 } else if (!strcmp(name, "url")) {
207 ctx.qry.url = xstrdup(value);
208 cgit_parse_url(value);
209 } else if (!strcmp(name, "qt")) {
210 ctx.qry.grep = xstrdup(value);
211 } else if (!strcmp(name, "q")) {
212 ctx.qry.search = xstrdup(value);
213 } else if (!strcmp(name, "h")) {
214 ctx.qry.head = xstrdup(value);
215 ctx.qry.has_symref = 1;
216 } else if (!strcmp(name, "id")) {
217 ctx.qry.sha1 = xstrdup(value);
218 ctx.qry.has_sha1 = 1;
219 } else if (!strcmp(name, "id2")) {
220 ctx.qry.sha2 = xstrdup(value);
221 ctx.qry.has_sha1 = 1;
222 } else if (!strcmp(name, "ofs")) {
223 ctx.qry.ofs = atoi(value);
224 } else if (!strcmp(name, "path")) {
225 ctx.qry.path = trim_end(value, '/');
226 } else if (!strcmp(name, "name")) {
227 ctx.qry.name = xstrdup(value);
228 } else if (!strcmp(name, "mimetype")) {
229 ctx.qry.mimetype = xstrdup(value);
230 } else if (!strcmp(name, "s")){
231 ctx.qry.sort = xstrdup(value);
232 } else if (!strcmp(name, "showmsg")) {
233 ctx.qry.showmsg = atoi(value);
234 } else if (!strcmp(name, "period")) {
235 ctx.qry.period = xstrdup(value);
236 }
237}
238
239char *xstrdupn(const char *str)
240{
241 return (str ? xstrdup(str) : NULL);
242}
243
244static void prepare_context(struct cgit_context *ctx)
245{
246 memset(ctx, 0, sizeof(ctx));
247 ctx->cfg.agefile = "info/web/last-modified";
248 ctx->cfg.nocache = 0;
249 ctx->cfg.cache_size = 0;
250 ctx->cfg.cache_dynamic_ttl = 5;
251 ctx->cfg.cache_max_create_time = 5;
252 ctx->cfg.cache_repo_ttl = 5;
253 ctx->cfg.cache_root = CGIT_CACHE_ROOT;
254 ctx->cfg.cache_root_ttl = 5;
255 ctx->cfg.cache_scanrc_ttl = 15;
256 ctx->cfg.cache_static_ttl = -1;
257 ctx->cfg.css = "/cgit.css";
258 ctx->cfg.logo = "/cgit.png";
259 ctx->cfg.local_time = 0;
260 ctx->cfg.max_repo_count = 50;
261 ctx->cfg.max_commit_count = 50;
262 ctx->cfg.max_lock_attempts = 5;
263 ctx->cfg.max_msg_len = 80;
264 ctx->cfg.max_repodesc_len = 80;
265 ctx->cfg.max_stats = 0;
266 ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
267 ctx->cfg.renamelimit = -1;
268 ctx->cfg.robots = "index, nofollow";
269 ctx->cfg.root_title = "Git repository browser";
270 ctx->cfg.root_desc = "a fast webinterface for the git dscm";
271 ctx->cfg.script_name = CGIT_SCRIPT_NAME;
272 ctx->cfg.section = "";
273 ctx->cfg.summary_branches = 10;
274 ctx->cfg.summary_log = 10;
275 ctx->cfg.summary_tags = 10;
276 ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG"));
277 ctx->env.http_host = xstrdupn(getenv("HTTP_HOST"));
278 ctx->env.https = xstrdupn(getenv("HTTPS"));
279 ctx->env.no_http = xstrdupn(getenv("NO_HTTP"));
280 ctx->env.path_info = xstrdupn(getenv("PATH_INFO"));
281 ctx->env.query_string = xstrdupn(getenv("QUERY_STRING"));
282 ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD"));
283 ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME"));
284 ctx->env.server_name = xstrdupn(getenv("SERVER_NAME"));
285 ctx->env.server_port = xstrdupn(getenv("SERVER_PORT"));
286 ctx->page.mimetype = "text/html";
287 ctx->page.charset = PAGE_ENCODING;
288 ctx->page.filename = NULL;
289 ctx->page.size = 0;
290 ctx->page.modified = time(NULL);
291 ctx->page.expires = ctx->page.modified;
292 ctx->page.etag = NULL;
293 memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list));
294 if (ctx->env.script_name)
295 ctx->cfg.script_name = ctx->env.script_name;
296 if (ctx->env.query_string)
297 ctx->qry.raw = ctx->env.query_string;
298 if (!ctx->env.cgit_config)
299 ctx->env.cgit_config = CGIT_CONFIG;
300}
301
302struct refmatch {
303 char *req_ref;
304 char *first_ref;
305 int match;
306};
307
308int find_current_ref(const char *refname, const unsigned char *sha1,
309 int flags, void *cb_data)
310{
311 struct refmatch *info;
312
313 info = (struct refmatch *)cb_data;
314 if (!strcmp(refname, info->req_ref))
315 info->match = 1;
316 if (!info->first_ref)
317 info->first_ref = xstrdup(refname);
318 return info->match;
319}
320
321char *find_default_branch(struct cgit_repo *repo)
322{
323 struct refmatch info;
324 char *ref;
325
326 info.req_ref = repo->defbranch;
327 info.first_ref = NULL;
328 info.match = 0;
329 for_each_branch_ref(find_current_ref, &info);
330 if (info.match)
331 ref = info.req_ref;
332 else
333 ref = info.first_ref;
334 if (ref)
335 ref = xstrdup(ref);
336 return ref;
337}
338
339static int prepare_repo_cmd(struct cgit_context *ctx)
340{
341 char *tmp;
342 unsigned char sha1[20];
343 int nongit = 0;
344
345 setenv("GIT_DIR", ctx->repo->path, 1);
346 setup_git_directory_gently(&nongit);
347 if (nongit) {
348 ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
349 "config error");
350 tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
351 ctx->repo = NULL;
352 cgit_print_http_headers(ctx);
353 cgit_print_docstart(ctx);
354 cgit_print_pageheader(ctx);
355 cgit_print_error(tmp);
356 cgit_print_docend();
357 return 1;
358 }
359 ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
360
361 if (!ctx->qry.head) {
362 ctx->qry.nohead = 1;
363 ctx->qry.head = find_default_branch(ctx->repo);
364 ctx->repo->defbranch = ctx->qry.head;
365 }
366
367 if (!ctx->qry.head) {
368 cgit_print_http_headers(ctx);
369 cgit_print_docstart(ctx);
370 cgit_print_pageheader(ctx);
371 cgit_print_error("Repository seems to be empty");
372 cgit_print_docend();
373 return 1;
374 }
375
376 if (get_sha1(ctx->qry.head, sha1)) {
377 tmp = xstrdup(ctx->qry.head);
378 ctx->qry.head = ctx->repo->defbranch;
379 ctx->page.status = 404;
380 ctx->page.statusmsg = "not found";
381 cgit_print_http_headers(ctx);
382 cgit_print_docstart(ctx);
383 cgit_print_pageheader(ctx);
384 cgit_print_error(fmt("Invalid branch: %s", tmp));
385 cgit_print_docend();
386 return 1;
387 }
388 return 0;
389}
390
391static void process_request(void *cbdata)
392{
393 struct cgit_context *ctx = cbdata;
394 struct cgit_cmd *cmd;
395
396 cmd = cgit_get_cmd(ctx);
397 if (!cmd) {
398 ctx->page.title = "cgit error";
399 cgit_print_http_headers(ctx);
400 cgit_print_docstart(ctx);
401 cgit_print_pageheader(ctx);
402 cgit_print_error("Invalid request");
403 cgit_print_docend();
404 return;
405 }
406
407 if (cmd->want_repo && !ctx->repo) {
408 cgit_print_http_headers(ctx);
409 cgit_print_docstart(ctx);
410 cgit_print_pageheader(ctx);
411 cgit_print_error(fmt("No repository selected"));
412 cgit_print_docend();
413 return;
414 }
415
416 if (ctx->repo && prepare_repo_cmd(ctx))
417 return;
418
419 if (cmd->want_layout) {
420 cgit_print_http_headers(ctx);
421 cgit_print_docstart(ctx);
422 cgit_print_pageheader(ctx);
423 }
424
425 cmd->fn(ctx);
426
427 if (cmd->want_layout)
428 cgit_print_docend();
429}
430
431int cmp_repos(const void *a, const void *b)
432{
433 const struct cgit_repo *ra = a, *rb = b;
434 return strcmp(ra->url, rb->url);
435}
436
437void print_repo(FILE *f, struct cgit_repo *repo)
438{
439 fprintf(f, "repo.url=%s\n", repo->url);
440 fprintf(f, "repo.name=%s\n", repo->name);
441 fprintf(f, "repo.path=%s\n", repo->path);
442 if (repo->owner)
443 fprintf(f, "repo.owner=%s\n", repo->owner);
444 if (repo->desc)
445 fprintf(f, "repo.desc=%s\n", repo->desc);
446 if (repo->readme)
447 fprintf(f, "repo.readme=%s\n", repo->readme);
448 fprintf(f, "\n");
449}
450
451void print_repolist(FILE *f, struct cgit_repolist *list, int start)
452{
453 int i;
454
455 for(i = start; i < list->count; i++)
456 print_repo(f, &list->repos[i]);
457}
458
459/* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc'
460 * and return 0 on success.
461 */
462static int generate_cached_repolist(const char *path, const char *cached_rc)
463{
464 char *locked_rc;
465 int idx;
466 FILE *f;
467
468 locked_rc = xstrdup(fmt("%s.lock", cached_rc));
469 f = fopen(locked_rc, "wx");
470 if (!f) {
471 /* Inform about the error unless the lockfile already existed,
472 * since that only means we've got concurrent requests.
473 */
474 if (errno != EEXIST)
475 fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n",
476 locked_rc, strerror(errno), errno);
477 return errno;
478 }
479 idx = cgit_repolist.count;
480 scan_tree(path, repo_config);
481 print_repolist(f, &cgit_repolist, idx);
482 if (rename(locked_rc, cached_rc))
483 fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n",
484 locked_rc, cached_rc, strerror(errno), errno);
485 fclose(f);
486 return 0;
487}
488
489static void process_cached_repolist(const char *path)
490{
491 struct stat st;
492 char *cached_rc;
493 time_t age;
494
495 cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root,
496 hash_str(path)));
497
498 if (stat(cached_rc, &st)) {
499 /* Nothing is cached, we need to scan without forking. And
500 * if we fail to generate a cached repolist, we need to
501 * invoke scan_tree manually.
502 */
503 if (generate_cached_repolist(path, cached_rc))
504 scan_tree(path, repo_config);
505 return;
506 }
507
508 parse_configfile(cached_rc, config_cb);
509
510 /* If the cached configfile hasn't expired, lets exit now */
511 age = time(NULL) - st.st_mtime;
512 if (age <= (ctx.cfg.cache_scanrc_ttl * 60))
513 return;
514
515 /* The cached repolist has been parsed, but it was old. So lets
516 * rescan the specified path and generate a new cached repolist
517 * in a child-process to avoid latency for the current request.
518 */
519 if (fork())
520 return;
521
522 exit(generate_cached_repolist(path, cached_rc));
523}
524
525static void cgit_parse_args(int argc, const char **argv)
526{
527 int i;
528 int scan = 0;
529
530 for (i = 1; i < argc; i++) {
531 if (!strncmp(argv[i], "--cache=", 8)) {
532 ctx.cfg.cache_root = xstrdup(argv[i]+8);
533 }
534 if (!strcmp(argv[i], "--nocache")) {
535 ctx.cfg.nocache = 1;
536 }
537 if (!strcmp(argv[i], "--nohttp")) {
538 ctx.env.no_http = "1";
539 }
540 if (!strncmp(argv[i], "--query=", 8)) {
541 ctx.qry.raw = xstrdup(argv[i]+8);
542 }
543 if (!strncmp(argv[i], "--repo=", 7)) {
544 ctx.qry.repo = xstrdup(argv[i]+7);
545 }
546 if (!strncmp(argv[i], "--page=", 7)) {
547 ctx.qry.page = xstrdup(argv[i]+7);
548 }
549 if (!strncmp(argv[i], "--head=", 7)) {
550 ctx.qry.head = xstrdup(argv[i]+7);
551 ctx.qry.has_symref = 1;
552 }
553 if (!strncmp(argv[i], "--sha1=", 7)) {
554 ctx.qry.sha1 = xstrdup(argv[i]+7);
555 ctx.qry.has_sha1 = 1;
556 }
557 if (!strncmp(argv[i], "--ofs=", 6)) {
558 ctx.qry.ofs = atoi(argv[i]+6);
559 }
560 if (!strncmp(argv[i], "--scan-tree=", 12) ||
561 !strncmp(argv[i], "--scan-path=", 12)) {
562 scan++;
563 scan_tree(argv[i] + 12, repo_config);
564 }
565 }
566 if (scan) {
567 qsort(cgit_repolist.repos, cgit_repolist.count,
568 sizeof(struct cgit_repo), cmp_repos);
569 print_repolist(stdout, &cgit_repolist, 0);
570 exit(0);
571 }
572}
573
574static int calc_ttl()
575{
576 if (!ctx.repo)
577 return ctx.cfg.cache_root_ttl;
578
579 if (!ctx.qry.page)
580 return ctx.cfg.cache_repo_ttl;
581
582 if (ctx.qry.has_symref)
583 return ctx.cfg.cache_dynamic_ttl;
584
585 if (ctx.qry.has_sha1)
586 return ctx.cfg.cache_static_ttl;
587
588 return ctx.cfg.cache_repo_ttl;
589}
590
591int main(int argc, const char **argv)
592{
593 const char *path;
594 char *qry;
595 int err, ttl;
596
597 prepare_context(&ctx);
598 cgit_repolist.length = 0;
599 cgit_repolist.count = 0;
600 cgit_repolist.repos = NULL;
601
602 cgit_parse_args(argc, argv);
603 parse_configfile(ctx.env.cgit_config, config_cb);
604 ctx.repo = NULL;
605 http_parse_querystring(ctx.qry.raw, querystring_cb);
606
607 /* If virtual-root isn't specified in cgitrc, lets pretend
608 * that virtual-root equals SCRIPT_NAME.
609 */
610 if (!ctx.cfg.virtual_root)
611 ctx.cfg.virtual_root = ctx.cfg.script_name;
612
613 /* If no url parameter is specified on the querystring, lets
614 * use PATH_INFO as url. This allows cgit to work with virtual
615 * urls without the need for rewriterules in the webserver (as
616 * long as PATH_INFO is included in the cache lookup key).
617 */
618 path = ctx.env.path_info;
619 if (!ctx.qry.url && path) {
620 if (path[0] == '/')
621 path++;
622 ctx.qry.url = xstrdup(path);
623 if (ctx.qry.raw) {
624 qry = ctx.qry.raw;
625 ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
626 free(qry);
627 } else
628 ctx.qry.raw = xstrdup(ctx.qry.url);
629 cgit_parse_url(ctx.qry.url);
630 }
631
632 ttl = calc_ttl();
633 ctx.page.expires += ttl*60;
634 if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
635 ctx.cfg.nocache = 1;
636 if (ctx.cfg.nocache)
637 ctx.cfg.cache_size = 0;
638 err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
639 ctx.qry.raw, ttl, process_request, &ctx);
640 if (err)
641 cgit_print_error(fmt("Error processing page: %s (%d)",
642 strerror(err), err));
643 return err;
644}