X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/d14d77fe95c3b6224b40df9b101dded0deea913c..f3c1a187fe2bc33f8423cd535d5045899699995b:/cgit.c

diff --git a/cgit.c b/cgit.c
index 8a30c3c..d0f6905 100644
--- a/cgit.c
+++ b/cgit.c
@@ -7,40 +7,43 @@
  */
 
 #include "cgit.h"
+#include "cmd.h"
 
 static int cgit_prepare_cache(struct cacheitem *item)
 {
-	if (!cgit_repo && ctx.qry.repo) {
-		char *title = fmt("%s - %s", cgit_root_title, "Bad request");
-		cgit_print_docstart(title, item);
-		cgit_print_pageheader(title, 0);
+	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;
 	}
 
-	if (!cgit_repo) {
-		item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
-		item->ttl = cgit_cache_root_ttl;
+	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", cgit_cache_root,
-					 cache_safe_filename(cgit_repo->url),
+		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 = cgit_cache_repo_ttl;
+		item->ttl = ctx.cfg.cache_repo_ttl;
 	} else {
-		item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
-					 cache_safe_filename(cgit_repo->url),
+		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 = cgit_cache_dynamic_ttl;
+			item->ttl = ctx.cfg.cache_dynamic_ttl;
 		else if (ctx.qry.has_sha1)
-			item->ttl = cgit_cache_static_ttl;
+			item->ttl = ctx.cfg.cache_static_ttl;
 		else
-			item->ttl = cgit_cache_repo_ttl;
+			item->ttl = ctx.cfg.cache_repo_ttl;
 	}
 	return 1;
 }
@@ -64,7 +67,7 @@ int find_current_ref(const char *refname, const unsigned char *sha1,
 	return info->match;
 }
 
-char *find_default_branch(struct repoinfo *repo)
+char *find_default_branch(struct cgit_repo *repo)
 {
 	struct refmatch info;
 
@@ -80,32 +83,38 @@ char *find_default_branch(struct repoinfo *repo)
 
 static void cgit_print_repo_page(struct cacheitem *item)
 {
-	char *title, *tmp;
+	char *tmp;
 	int show_search;
 	unsigned char sha1[20];
-
-	if (chdir(cgit_repo->path)) {
-		title = fmt("%s - %s", cgit_root_title, "Bad request");
-		cgit_print_docstart(title, item);
-		cgit_print_pageheader(title, 0);
-		cgit_print_error(fmt("Unable to scan repository: %s",
-				     strerror(errno)));
+	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;
 	}
 
-	title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
+	ctx.page.title = fmt("%s - %s", ctx.repo->name, ctx.repo->desc);
 	show_search = 0;
-	setenv("GIT_DIR", cgit_repo->path, 1);
 
 	if (!ctx.qry.head) {
-		ctx.qry.head = xstrdup(find_default_branch(cgit_repo));
-		cgit_repo->defbranch = 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;
@@ -113,19 +122,20 @@ static void cgit_print_repo_page(struct cacheitem *item)
 
 	if (get_sha1(ctx.qry.head, sha1)) {
 		tmp = xstrdup(ctx.qry.head);
-		ctx.qry.head = cgit_repo->defbranch;
-		cgit_print_docstart(title, item);
-		cgit_print_pageheader(title, 0);
+		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;
 	}
 
-	if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
+	if ((cgit_cmd == CMD_SNAPSHOT) && ctx.repo->snapshots) {
 		cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1,
-				    cgit_repobasename(cgit_repo->url),
+				    cgit_repobasename(ctx.repo->url),
 				    ctx.qry.path,
-				    cgit_repo->snapshots );
+				    ctx.repo->snapshots );
 		return;
 	}
 
@@ -140,20 +150,21 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	}
 
 	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,
-			       cgit_max_commit_count, ctx.qry.grep, ctx.qry.search,
+			       ctx.cfg.max_commit_count, ctx.qry.grep, ctx.qry.search,
 			       ctx.qry.path, 1);
 		break;
 	case CMD_TREE:
@@ -177,14 +188,18 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	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)
 {
-	static char buf[PATH_MAX];
 	int stdout2;
 
-	getcwd(buf, sizeof(buf));
-	item->st.st_mtime = time(NULL);
-
 	if (use_cache) {
 		stdout2 = chk_positive(dup(STDOUT_FILENO),
 				       "Preserving STDOUT");
@@ -192,7 +207,9 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache)
 		chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
 	}
 
-	if (cgit_repo)
+	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);
@@ -203,8 +220,6 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache)
 			     "Restoring original STDOUT");
 		chk_zero(close(stdout2), "Closing temporary STDOUT");
 	}
-
-	chdir(buf);
 }
 
 static void cgit_check_cache(struct cacheitem *item)
@@ -212,7 +227,7 @@ static void cgit_check_cache(struct cacheitem *item)
 	int i = 0;
 
  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));
 	}
@@ -258,10 +273,10 @@ static void cgit_parse_args(int argc, const char **argv)
 
 	for (i = 1; i < argc; i++) {
 		if (!strncmp(argv[i], "--cache=", 8)) {
-			cgit_cache_root = xstrdup(argv[i]+8);
+			ctx.cfg.cache_root = xstrdup(argv[i]+8);
 		}
 		if (!strcmp(argv[i], "--nocache")) {
-			cgit_nocache = 1;
+			ctx.cfg.nocache = 1;
 		}
 		if (!strncmp(argv[i], "--query=", 8)) {
 			ctx.qry.raw = xstrdup(argv[i]+8);
@@ -291,7 +306,7 @@ int main(int argc, const char **argv)
 	struct cacheitem item;
 	const char *cgit_config_env = getenv("CGIT_CONFIG");
 
-	htmlfd = STDOUT_FILENO;
+	cgit_prepare_context(&ctx);
 	item.st.st_mtime = time(NULL);
 	cgit_repolist.length = 0;
 	cgit_repolist.count = 0;
@@ -299,16 +314,15 @@ int main(int argc, const char **argv)
 
 	cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
 			 cgit_global_config_cb);
-	cgit_repo = NULL;
 	if (getenv("SCRIPT_NAME"))
-		cgit_script_name = xstrdup(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 (cgit_nocache) {
+	if (ctx.cfg.nocache) {
 		cgit_fill_cache(&item, 0);
 	} else {
 		cgit_check_cache(&item);