*/
#include "cgit.h"
+#include "cmd.h"
-const char cgit_version[] = CGIT_VERSION;
-
-int htmlfd = 0;
-
-char *cgit_root = "/usr/src/git";
-char *cgit_root_title = "Git repository browser";
-char *cgit_css = "/cgit.css";
-char *cgit_logo = "/git-logo.png";
-char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
-char *cgit_virtual_root = NULL;
-
-char *cgit_cache_root = "/var/cache/cgit";
-
-int cgit_max_lock_attempts = 5;
-int cgit_cache_root_ttl = 5;
-int cgit_cache_repo_ttl = 5;
-int cgit_cache_dynamic_ttl = 5;
-int cgit_cache_static_ttl = -1;
-int cgit_cache_max_create_time = 5;
-
-char *cgit_repo_name = NULL;
-char *cgit_repo_desc = NULL;
-char *cgit_repo_owner = NULL;
+static int cgit_prepare_cache(struct cacheitem *item)
+{
+ if (!ctx.repo && ctx.qry.repo) {
+ 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;
+ }
-int cgit_query_has_symref = 0;
-int cgit_query_has_sha1 = 0;
+ if (!ctx.repo) {
+ item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root));
+ item->ttl = ctx.cfg.cache_root_ttl;
+ return 1;
+ }
-char *cgit_querystring = NULL;
-char *cgit_query_repo = NULL;
-char *cgit_query_page = NULL;
-char *cgit_query_head = NULL;
-char *cgit_query_sha1 = NULL;
+ 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 cacheitem cacheitem;
+struct refmatch {
+ char *req_ref;
+ char *first_ref;
+ int match;
+};
-void cgit_global_config_cb(const char *name, const char *value)
+int find_current_ref(const char *refname, const unsigned char *sha1,
+ int flags, void *cb_data)
{
- if (!strcmp(name, "root"))
- cgit_root = xstrdup(value);
- else if (!strcmp(name, "root-title"))
- cgit_root_title = xstrdup(value);
- else if (!strcmp(name, "css"))
- cgit_css = xstrdup(value);
- else if (!strcmp(name, "logo"))
- cgit_logo = xstrdup(value);
- else if (!strcmp(name, "logo-link"))
- cgit_logo_link = xstrdup(value);
- else if (!strcmp(name, "virtual-root"))
- cgit_virtual_root = xstrdup(value);
-}
+ struct refmatch *info;
-void cgit_repo_config_cb(const char *name, const char *value)
-{
- if (!strcmp(name, "name"))
- cgit_repo_name = xstrdup(value);
- else if (!strcmp(name, "desc"))
- cgit_repo_desc = xstrdup(value);
- else if (!strcmp(name, "owner"))
- cgit_repo_owner = xstrdup(value);
+ 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;
}
-void cgit_querystring_cb(const char *name, const char *value)
+char *find_default_branch(struct cgit_repo *repo)
{
- if (!strcmp(name,"r"))
- cgit_query_repo = xstrdup(value);
- else if (!strcmp(name, "p"))
- cgit_query_page = xstrdup(value);
- else if (!strcmp(name, "h")) {
- cgit_query_head = xstrdup(value);
- cgit_query_has_symref = 1;
- } else if (!strcmp(name, "id")) {
- cgit_query_sha1 = xstrdup(value);
- cgit_query_has_sha1 = 1;
- }
+ 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_object(char *hex)
+static int prepare_repo_cmd(struct cgit_context *ctx)
{
+ char *tmp;
unsigned char sha1[20];
- //struct object *object;
- char type[20];
- unsigned char *buf;
- unsigned long size;
-
- if (get_sha1_hex(hex, sha1)){
- cgit_print_error(fmt("Bad hex value: %s", hex));
- return;
+ int nongit = 0;
+
+ setenv("GIT_DIR", ctx->repo->path, 1);
+ setup_git_directory_gently(&nongit);
+ if (nongit) {
+ 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_http_headers(ctx);
+ cgit_print_docstart(ctx);
+ cgit_print_pageheader(ctx);
+ cgit_print_error(tmp);
+ cgit_print_docend();
+ return 1;
}
+ ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
- if (sha1_object_info(sha1, type, NULL)){
- cgit_print_error("Bad object name");
- return;
+ if (!ctx->qry.head) {
+ ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
+ ctx->repo->defbranch = ctx->qry.head;
}
- buf = read_sha1_file(sha1, type, &size);
- if (!buf) {
- cgit_print_error("Error reading object");
- return;
+ if (!ctx->qry.head) {
+ 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 1;
}
- buf[size] = '\0';
- html("<h2>Object view</h2>");
- htmlf("sha1=%s<br/>type=%s<br/>size=%i<br/>", hex, type, size);
- html("<pre>");
- html_txt(buf);
- html("</pre>");
+ if (get_sha1(ctx->qry.head, sha1)) {
+ tmp = xstrdup(ctx->qry.head);
+ ctx->qry.head = ctx->repo->defbranch;
+ 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 1;
+ }
+ return 0;
}
-static void cgit_print_repo_page(struct cacheitem *item)
+static void process_request(struct cgit_context *ctx)
{
- if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) ||
- cgit_read_config("info/cgit", cgit_repo_config_cb)) {
- char *title = fmt("%s - %s", cgit_root_title, "Bad request");
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title);
- cgit_print_error(fmt("Unable to scan repository: %s",
- strerror(errno)));
+ struct cgit_cmd *cmd;
+
+ cmd = cgit_get_cmd(ctx);
+ if (!cmd) {
+ ctx->page.title = "cgit error";
+ ctx->repo = NULL;
+ cgit_print_http_headers(ctx);
+ cgit_print_docstart(ctx);
+ cgit_print_pageheader(ctx);
+ cgit_print_error("Invalid request");
cgit_print_docend();
return;
}
- setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
- char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
- cgit_print_docstart(title, item);
- cgit_print_pageheader(title);
- if (!cgit_query_page)
- cgit_print_summary();
- else if (!strcmp(cgit_query_page, "log")) {
- cgit_print_log(cgit_query_head, 0, 100);
- } else if (!strcmp(cgit_query_page, "view")) {
- cgit_print_object(cgit_query_sha1);
+
+ if (cmd->want_repo && prepare_repo_cmd(ctx))
+ return;
+
+ if (cmd->want_layout) {
+ cgit_print_http_headers(ctx);
+ cgit_print_docstart(ctx);
+ cgit_print_pageheader(ctx);
}
- cgit_print_docend();
+
+ cmd->fn(ctx);
+
+ if (cmd->want_layout)
+ cgit_print_docend();
}
-static void cgit_fill_cache(struct cacheitem *item)
+static long ttl_seconds(long ttl)
{
- htmlfd = item->fd;
- item->st.st_mtime = time(NULL);
- if (cgit_query_repo)
- cgit_print_repo_page(item);
+ if (ttl<0)
+ return 60 * 60 * 24 * 365;
else
- cgit_print_repolist(item);
+ return ttl * 60;
+}
+
+static void cgit_fill_cache(struct cacheitem *item, int use_cache)
+{
+ int stdout2;
+
+ 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);
+ process_request(&ctx);
+
+ 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_refresh_cache(struct cacheitem *item)
+static void cgit_check_cache(struct cacheitem *item)
{
int i = 0;
- cache_prepare(item);
top:
- if (++i > cgit_max_lock_attempts) {
+ if (++i > ctx.cfg.max_lock_attempts) {
die("cgit_refresh_cache: unable to lock %s: %s",
item->name, strerror(errno));
}
sleep(1);
goto top;
}
- if (!cache_exist(item))
- cgit_fill_cache(item);
- cache_unlock(item);
+ 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);
- cache_unlock(item);
+ if (cache_expired(item)) {
+ cgit_fill_cache(item, 1);
+ cache_unlock(item);
+ } else {
+ cache_cancel_lock(item);
+ }
}
}
close(fd);
}
+static void cgit_parse_args(int argc, const char **argv)
+{
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (!strncmp(argv[i], "--cache=", 8)) {
+ ctx.cfg.cache_root = xstrdup(argv[i]+8);
+ }
+ if (!strcmp(argv[i], "--nocache")) {
+ ctx.cfg.nocache = 1;
+ }
+ if (!strncmp(argv[i], "--query=", 8)) {
+ ctx.qry.raw = xstrdup(argv[i]+8);
+ }
+ if (!strncmp(argv[i], "--repo=", 7)) {
+ ctx.qry.repo = xstrdup(argv[i]+7);
+ }
+ if (!strncmp(argv[i], "--page=", 7)) {
+ ctx.qry.page = xstrdup(argv[i]+7);
+ }
+ if (!strncmp(argv[i], "--head=", 7)) {
+ ctx.qry.head = xstrdup(argv[i]+7);
+ ctx.qry.has_symref = 1;
+ }
+ if (!strncmp(argv[i], "--sha1=", 7)) {
+ ctx.qry.sha1 = xstrdup(argv[i]+7);
+ ctx.qry.has_sha1 = 1;
+ }
+ if (!strncmp(argv[i], "--ofs=", 6)) {
+ ctx.qry.ofs = atoi(argv[i]+6);
+ }
+ }
+}
+
int main(int argc, const char **argv)
{
- cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
- cgit_querystring = xstrdup(getenv("QUERY_STRING"));
- cgit_parse_query(cgit_querystring, cgit_querystring_cb);
- cgit_refresh_cache(&cacheitem);
- cgit_print_cache(&cacheitem);
+ struct cacheitem item;
+ const char *cgit_config_env = getenv("CGIT_CONFIG");
+
+ cgit_prepare_context(&ctx);
+ item.st.st_mtime = time(NULL);
+ cgit_repolist.length = 0;
+ cgit_repolist.count = 0;
+ cgit_repolist.repos = NULL;
+
+ cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
+ cgit_global_config_cb);
+ if (getenv("SCRIPT_NAME"))
+ ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
+ if (getenv("QUERY_STRING"))
+ ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
+ cgit_parse_args(argc, argv);
+ cgit_parse_query(ctx.qry.raw, cgit_querystring_cb);
+ if (!cgit_prepare_cache(&item))
+ return 0;
+ if (ctx.cfg.nocache) {
+ cgit_fill_cache(&item, 0);
+ } else {
+ cgit_check_cache(&item);
+ cgit_print_cache(&item);
+ }
return 0;
}
git.ckatri.com / cgit.git / blobdiff