-rw-r--r-- | cgit.c | 50 |
1 files changed, 33 insertions, 17 deletions
@@ -1,243 +1,259 @@ /* cgit.c: cgi for the git scm * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" +#include "cmd.h" static int cgit_prepare_cache(struct cacheitem *item) { if (!ctx.repo && ctx.qry.repo) { - char *title = fmt("%s - %s", ctx.cfg.root_title, "Bad request"); - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); + ctx.page.title = fmt("%s - %s", ctx.cfg.root_title, + "Bad request"); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo)); cgit_print_docend(); return 0; } if (!ctx.repo) { item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root)); item->ttl = ctx.cfg.cache_root_ttl; return 1; } if (!cgit_cmd) { item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root, cache_safe_filename(ctx.repo->url), cache_safe_filename(ctx.qry.raw))); item->ttl = ctx.cfg.cache_repo_ttl; } else { item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root, cache_safe_filename(ctx.repo->url), ctx.qry.page, cache_safe_filename(ctx.qry.raw))); if (ctx.qry.has_symref) item->ttl = ctx.cfg.cache_dynamic_ttl; else if (ctx.qry.has_sha1) item->ttl = ctx.cfg.cache_static_ttl; else item->ttl = ctx.cfg.cache_repo_ttl; } return 1; } struct refmatch { char *req_ref; char *first_ref; int match; }; int find_current_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct refmatch *info; info = (struct refmatch *)cb_data; if (!strcmp(refname, info->req_ref)) info->match = 1; if (!info->first_ref) info->first_ref = xstrdup(refname); return info->match; } char *find_default_branch(struct cgit_repo *repo) { struct refmatch info; info.req_ref = repo->defbranch; info.first_ref = NULL; info.match = 0; for_each_branch_ref(find_current_ref, &info); if (info.match) return info.req_ref; else return info.first_ref; } static void cgit_print_repo_page(struct cacheitem *item) { - char *title, *tmp; + char *tmp; int show_search; unsigned char sha1[20]; int nongit = 0; setenv("GIT_DIR", ctx.repo->path, 1); setup_git_directory_gently(&nongit); if (nongit) { - title = fmt("%s - %s", ctx.cfg.root_title, "config error"); + ctx.page.title = fmt("%s - %s", ctx.cfg.root_title, + "config error"); tmp = fmt("Not a git repository: '%s'", ctx.repo->path); ctx.repo = NULL; - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); cgit_print_error(tmp); cgit_print_docend(); return; } - title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc); + ctx.page.title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc); show_search = 0; if (!ctx.qry.head) { ctx.qry.head = xstrdup(find_default_branch(ctx.repo)); ctx.repo->defbranch = ctx.qry.head; } if (!ctx.qry.head) { - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); cgit_print_error("Repository seems to be empty"); cgit_print_docend(); return; } if (get_sha1(ctx.qry.head, sha1)) { tmp = xstrdup(ctx.qry.head); ctx.qry.head = ctx.repo->defbranch; - cgit_print_docstart(title, item); - cgit_print_pageheader(title, 0); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); cgit_print_error(fmt("Invalid branch: %s", tmp)); cgit_print_docend(); return; } if ((cgit_cmd == CMD_SNAPSHOT) && ctx.repo->snapshots) { cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1, cgit_repobasename(ctx.repo->url), ctx.qry.path, ctx.repo->snapshots ); return; } if (cgit_cmd == CMD_PATCH) { cgit_print_patch(ctx.qry.sha1, item); return; } if (cgit_cmd == CMD_BLOB) { cgit_print_blob(item, ctx.qry.sha1, ctx.qry.path); return; } show_search = (cgit_cmd == CMD_LOG); - cgit_print_docstart(title, item); + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); if (!cgit_cmd) { - cgit_print_pageheader("summary", show_search); + cgit_print_pageheader(&ctx); cgit_print_summary(); cgit_print_docend(); return; } - cgit_print_pageheader(ctx.qry.page, show_search); + cgit_print_pageheader(&ctx); switch(cgit_cmd) { case CMD_LOG: cgit_print_log(ctx.qry.sha1, ctx.qry.ofs, ctx.cfg.max_commit_count, ctx.qry.grep, ctx.qry.search, ctx.qry.path, 1); break; case CMD_TREE: cgit_print_tree(ctx.qry.sha1, ctx.qry.path); break; case CMD_COMMIT: cgit_print_commit(ctx.qry.sha1); break; case CMD_REFS: cgit_print_refs(); break; case CMD_TAG: cgit_print_tag(ctx.qry.sha1); break; case CMD_DIFF: cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path); break; default: cgit_print_error("Invalid request"); } cgit_print_docend(); } +static long ttl_seconds(long ttl) +{ + if (ttl<0) + return 60 * 60 * 24 * 365; + else + return ttl * 60; +} + static void cgit_fill_cache(struct cacheitem *item, int use_cache) { int stdout2; - item->st.st_mtime = time(NULL); - if (use_cache) { stdout2 = chk_positive(dup(STDOUT_FILENO), "Preserving STDOUT"); chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); } + ctx.page.modified = time(NULL); + ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl); if (ctx.repo) cgit_print_repo_page(item); else cgit_print_repolist(item); if (use_cache) { chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); chk_positive(dup2(stdout2, STDOUT_FILENO), "Restoring original STDOUT"); chk_zero(close(stdout2), "Closing temporary STDOUT"); } } static void cgit_check_cache(struct cacheitem *item) { int i = 0; top: if (++i > ctx.cfg.max_lock_attempts) { die("cgit_refresh_cache: unable to lock %s: %s", item->name, strerror(errno)); } if (!cache_exist(item)) { if (!cache_lock(item)) { sleep(1); goto top; } if (!cache_exist(item)) { cgit_fill_cache(item, 1); cache_unlock(item); } else { cache_cancel_lock(item); } } else if (cache_expired(item) && cache_lock(item)) { if (cache_expired(item)) { cgit_fill_cache(item, 1); cache_unlock(item); } else { cache_cancel_lock(item); } } } static void cgit_print_cache(struct cacheitem *item) { static char buf[4096]; ssize_t i; |