Add struct cgit_page to cgit_context

This struct is used when generating http headers, and as such is another
small step towards the goal of the whole cleanup series; to invoke each
page/view function with a function pointer.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

8 files changed, 113 insertions, 88 deletions

diff --git a/cgit.c b/cgit.cindex e6b4526..d0f6905 100644--- a/cgit.c+++ b/cgit.c@@ -7,13 +7,16 @@  */  #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;@@ -80,7 +83,7 @@ char *find_default_branch(struct cgit_repo *repo)  static void cgit_print_repo_page(struct cacheitem *item) {-	char *title, *tmp;+	char *tmp; 	int show_search; 	unsigned char sha1[20]; 	int nongit = 0;@@ -88,17 +91,19 @@ static void cgit_print_repo_page(struct cacheitem *item) 	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) {@@ -107,8 +112,9 @@ static void cgit_print_repo_page(struct cacheitem *item) 	}  	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;@@ -117,8 +123,9 @@ static void cgit_print_repo_page(struct cacheitem *item) 	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;@@ -143,15 +150,16 @@ 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:@@ -180,12 +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) { 	int stdout2; -	item->st.st_mtime = time(NULL);- 	if (use_cache) { 		stdout2 = chk_positive(dup(STDOUT_FILENO), 				       "Preserving STDOUT");@@ -193,6 +207,8 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache) 		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
diff --git a/cgit.c b/cgit.c
index e6b4526..d0f6905 100644
--- a/cgit.c
+++ b/cgit.c
@@ -7,13 +7,16 @@
  */
 
 #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;
@@ -80,7 +83,7 @@ char *find_default_branch(struct cgit_repo *repo)
 
 static void cgit_print_repo_page(struct cacheitem *item)
 {
-	char *title, *tmp;
+	char *tmp;
 	int show_search;
 	unsigned char sha1[20];
 	int nongit = 0;
@@ -88,17 +91,19 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	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) {
@@ -107,8 +112,9 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	}
 
 	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;
@@ -117,8 +123,9 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	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;
@@ -143,15 +150,16 @@ 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:
@@ -180,12 +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)
 {
 	int stdout2;
 
-	item->st.st_mtime = time(NULL);
-
 	if (use_cache) {
 		stdout2 = chk_positive(dup(STDOUT_FILENO),
 				       "Preserving STDOUT");
@@ -193,6 +207,8 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache)
 		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
diff --git a/cgit.h b/cgit.hindex 5b7ee1c..8ab8e07 100644--- a/cgit.h+++ b/cgit.h@@ -174,10 +174,20 @@ struct cgit_config { 	int summary_tags; }; +struct cgit_page {+	time_t modified;+	time_t expires;+	char *mimetype;+	char *charset;+	char *filename;+	char *title;+};+ struct cgit_context { 	struct cgit_query qry; 	struct cgit_config cfg; 	struct cgit_repo *repo;+	struct cgit_page page; };  extern const char *cgit_version;@@ -260,12 +270,10 @@ extern void cgit_object_link(struct object *obj); extern void cgit_print_error(char *msg); extern void cgit_print_date(time_t secs, char *format); extern void cgit_print_age(time_t t, time_t max_relative, char *format);-extern void cgit_print_docstart(char *title, struct cacheitem *item);+extern void cgit_print_http_headers(struct cgit_context *ctx);+extern void cgit_print_docstart(struct cgit_context *ctx); extern void cgit_print_docend();-extern void cgit_print_pageheader(char *title, int show_search);-extern void cgit_print_snapshot_start(const char *mimetype,-				      const char *filename,-				      struct cacheitem *item);+extern void cgit_print_pageheader(struct cgit_context *ctx); extern void cgit_print_filemode(unsigned short mode); extern void cgit_print_branches(int maxcount); extern void cgit_print_tags(int maxcount);
diff --git a/cgit.h b/cgit.h
index 5b7ee1c..8ab8e07 100644
--- a/cgit.h
+++ b/cgit.h
@@ -174,10 +174,20 @@ struct cgit_config {
 	int summary_tags;
 };
 
+struct cgit_page {
+	time_t modified;
+	time_t expires;
+	char *mimetype;
+	char *charset;
+	char *filename;
+	char *title;
+};
+
 struct cgit_context {
 	struct cgit_query qry;
 	struct cgit_config cfg;
 	struct cgit_repo *repo;
+	struct cgit_page page;
 };
 
 extern const char *cgit_version;
@@ -260,12 +270,10 @@ extern void cgit_object_link(struct object *obj);
 extern void cgit_print_error(char *msg);
 extern void cgit_print_date(time_t secs, char *format);
 extern void cgit_print_age(time_t t, time_t max_relative, char *format);
-extern void cgit_print_docstart(char *title, struct cacheitem *item);
+extern void cgit_print_http_headers(struct cgit_context *ctx);
+extern void cgit_print_docstart(struct cgit_context *ctx);
 extern void cgit_print_docend();
-extern void cgit_print_pageheader(char *title, int show_search);
-extern void cgit_print_snapshot_start(const char *mimetype,
-				      const char *filename,
-				      struct cacheitem *item);
+extern void cgit_print_pageheader(struct cgit_context *ctx);
 extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_print_branches(int maxcount);
 extern void cgit_print_tags(int maxcount);
diff --git a/shared.c b/shared.cindex 76e10d0..539d533 100644--- a/shared.c+++ b/shared.c@@ -35,6 +35,9 @@ void cgit_prepare_context(struct cgit_context *ctx) 	ctx->cfg.robots = "index, nofollow"; 	ctx->cfg.root_title = "Git repository browser"; 	ctx->cfg.script_name = CGIT_SCRIPT_NAME;+	ctx->page.mimetype = "text/html";+	ctx->page.charset = PAGE_ENCODING;+	ctx->page.filename = NULL; }  int cgit_get_cmd_index(const char *cmd)
diff --git a/shared.c b/shared.c
index 76e10d0..539d533 100644
--- a/shared.c
+++ b/shared.c
@@ -35,6 +35,9 @@ void cgit_prepare_context(struct cgit_context *ctx)
 	ctx->cfg.robots = "index, nofollow";
 	ctx->cfg.root_title = "Git repository browser";
 	ctx->cfg.script_name = CGIT_SCRIPT_NAME;
+	ctx->page.mimetype = "text/html";
+	ctx->page.charset = PAGE_ENCODING;
+	ctx->page.filename = NULL;
 }
 
 int cgit_get_cmd_index(const char *cmd)
diff --git a/ui-blob.c b/ui-blob.cindex be4fb88..bd44574 100644--- a/ui-blob.c+++ b/ui-blob.c@@ -35,6 +35,8 @@ void cgit_print_blob(struct cacheitem *item, const char *hex, char *path) 	}  	buf[size] = '\0';-	cgit_print_snapshot_start("text/plain", path, item);+	ctx.page.mimetype = "text/plain";+	ctx.page.filename = path;+	cgit_print_http_headers(&ctx); 	write(htmlfd, buf, size); }
diff --git a/ui-blob.c b/ui-blob.c
index be4fb88..bd44574 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -35,6 +35,8 @@ void cgit_print_blob(struct cacheitem *item, const char *hex, char *path)
 	}
 
 	buf[size] = '\0';
-	cgit_print_snapshot_start("text/plain", path, item);
+	ctx.page.mimetype = "text/plain";
+	ctx.page.filename = path;
+	cgit_print_http_headers(&ctx);
 	write(htmlfd, buf, size);
 }
diff --git a/ui-patch.c b/ui-patch.cindex d93426b..a77f3f6 100644--- a/ui-patch.c+++ b/ui-patch.c@@ -92,7 +92,9 @@ void cgit_print_patch(char *hex, struct cacheitem *item) 	hashcpy(old_sha1, commit->parents->item->object.sha1);  	patchname = fmt("%s.patch", sha1_to_hex(sha1));-	cgit_print_snapshot_start("text/plain", patchname, item);+	ctx.page.mimetype = "text/plain";+	ctx.page.filename = patchname;+	cgit_print_http_headers(&ctx); 	htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1)); 	htmlf("From: %s%s\n", info->author, info->author_email); 	html("Date: ");
diff --git a/ui-patch.c b/ui-patch.c
index d93426b..a77f3f6 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -92,7 +92,9 @@ void cgit_print_patch(char *hex, struct cacheitem *item)
 	hashcpy(old_sha1, commit->parents->item->object.sha1);
 
 	patchname = fmt("%s.patch", sha1_to_hex(sha1));
-	cgit_print_snapshot_start("text/plain", patchname, item);
+	ctx.page.mimetype = "text/plain";
+	ctx.page.filename = patchname;
+	cgit_print_http_headers(&ctx);
 	htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1));
 	htmlf("From: %s%s\n", info->author, info->author_email);
 	html("Date: ");
diff --git a/ui-repolist.c b/ui-repolist.cindex cd4e41d..e663585 100644--- a/ui-repolist.c+++ b/ui-repolist.c@@ -51,8 +51,10 @@ void cgit_print_repolist(struct cacheitem *item) 	if (ctx.cfg.enable_index_links) 		columns++; -	cgit_print_docstart(ctx.cfg.root_title, item);-	cgit_print_pageheader(ctx.cfg.root_title, 0);+	ctx.page.title = ctx.cfg.root_title;+	cgit_print_http_headers(&ctx);+	cgit_print_docstart(&ctx);+	cgit_print_pageheader(&ctx);  	html("<table summary='repository list' class='list nowrap'>"); 	if (ctx.cfg.index_header) {
diff --git a/ui-repolist.c b/ui-repolist.c
index cd4e41d..e663585 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -51,8 +51,10 @@ void cgit_print_repolist(struct cacheitem *item)
 	if (ctx.cfg.enable_index_links)
 		columns++;
 
-	cgit_print_docstart(ctx.cfg.root_title, item);
-	cgit_print_pageheader(ctx.cfg.root_title, 0);
+	ctx.page.title = ctx.cfg.root_title;
+	cgit_print_http_headers(&ctx);
+	cgit_print_docstart(&ctx);
+	cgit_print_pageheader(&ctx);
 
 	html("<table summary='repository list' class='list nowrap'>");
 	if (ctx.cfg.index_header) {
diff --git a/ui-shared.c b/ui-shared.cindex 2eff79d..2596023 100644--- a/ui-shared.c+++ b/ui-shared.c@@ -26,14 +26,6 @@ static char *http_date(time_t t) 		   tm->tm_hour, tm->tm_min, tm->tm_sec); } -static long ttl_seconds(long ttl)-{-	if (ttl<0)-		return 60 * 60 * 24 * 365;-	else-		return ttl * 60;-}- void cgit_print_error(char *msg) { 	html("<div class='error'>");@@ -361,24 +353,34 @@ void cgit_print_age(time_t t, time_t max_relative, char *format) 	      secs * 1.0 / TM_YEAR); } -void cgit_print_docstart(char *title, struct cacheitem *item)+void cgit_print_http_headers(struct cgit_context *ctx) {-	html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");-	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));-	htmlf("Expires: %s\n", http_date(item->st.st_mtime +-					 ttl_seconds(item->ttl)));+	if (ctx->page.mimetype && ctx->page.charset)+		htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,+		      ctx->page.charset);+	else if (ctx->page.mimetype)+		htmlf("Content-Type: %s\n", ctx->page.mimetype);+	if (ctx->page.filename)+		htmlf("Content-Disposition: inline; filename=\"%s\"\n",+		      ctx->page.filename);+	htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));+	htmlf("Expires: %s\n", http_date(ctx->page.expires)); 	html("\n");+}++void cgit_print_docstart(struct cgit_context *ctx)+{ 	html(cgit_doctype); 	html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n"); 	html("<head>\n"); 	html("<title>");-	html_txt(title);+	html_txt(ctx->page.title); 	html("</title>\n"); 	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);-	if (ctx.cfg.robots && *ctx.cfg.robots)-		htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);+	if (ctx->cfg.robots && *ctx->cfg.robots)+		htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots); 	html("<link rel='stylesheet' type='text/css' href='");-	html_attr(ctx.cfg.css);+	html_attr(ctx->cfg.css); 	html("'/>\n"); 	html("</head>\n"); 	html("<body>\n");@@ -463,7 +465,7 @@ void add_hidden_formfields(int incl_head, int incl_search, char *page) 	} } -void cgit_print_pageheader(char *title, int show_search)+void cgit_print_pageheader(struct cgit_context *ctx) { 	static const char *default_info = "This is cgit, a fast webinterface for git repositories"; 	int header = 0;@@ -475,40 +477,40 @@ void cgit_print_pageheader(char *title, int show_search) 	html("<tr><td class='sidebar'>\n<a href='"); 	html_attr(cgit_rooturl()); 	htmlf("'><img src='%s' alt='cgit'/></a>\n",-	      ctx.cfg.logo);+	      ctx->cfg.logo); 	html("</td></tr>\n<tr><td class='sidebar'>\n");-	if (ctx.repo) {+	if (ctx->repo) { 		html("<h1 class='first'>");-		html_txt(strrpart(ctx.repo->name, 20));+		html_txt(strrpart(ctx->repo->name, 20)); 		html("</h1>\n");-		html_txt(ctx.repo->desc);-		if (ctx.repo->owner) {+		html_txt(ctx->repo->desc);+		if (ctx->repo->owner) { 			html("<h1>owner</h1>\n");-			html_txt(ctx.repo->owner);+			html_txt(ctx->repo->owner); 		} 		html("<h1>navigate</h1>\n");-		reporevlink(NULL, "summary", NULL, "menu", ctx.qry.head,+		reporevlink(NULL, "summary", NULL, "menu", ctx->qry.head, 			    NULL, NULL);-		cgit_log_link("log", NULL, "menu", ctx.qry.head, NULL, NULL,+		cgit_log_link("log", NULL, "menu", ctx->qry.head, NULL, NULL, 			      0, NULL, NULL);-		cgit_tree_link("tree", NULL, "menu", ctx.qry.head,-			       ctx.qry.sha1, NULL);-		cgit_commit_link("commit", NULL, "menu", ctx.qry.head,-			      ctx.qry.sha1);-		cgit_diff_link("diff", NULL, "menu", ctx.qry.head,-			       ctx.qry.sha1, ctx.qry.sha2, NULL);-		cgit_patch_link("patch", NULL, "menu", ctx.qry.head,-				ctx.qry.sha1);+		cgit_tree_link("tree", NULL, "menu", ctx->qry.head,+			       ctx->qry.sha1, NULL);+		cgit_commit_link("commit", NULL, "menu", ctx->qry.head,+			      ctx->qry.sha1);+		cgit_diff_link("diff", NULL, "menu", ctx->qry.head,+			       ctx->qry.sha1, ctx->qry.sha2, NULL);+		cgit_patch_link("patch", NULL, "menu", ctx->qry.head,+				ctx->qry.sha1);  		for_each_ref(print_archive_ref, &header); -		if (ctx.repo->clone_url || ctx.cfg.clone_prefix) {+		if (ctx->repo->clone_url || ctx->cfg.clone_prefix) { 			html("<h1>clone</h1>\n");-			if (ctx.repo->clone_url)-				url = ctx.repo->clone_url;+			if (ctx->repo->clone_url)+				url = ctx->repo->clone_url; 			else-				url = fmt("%s%s", ctx.cfg.clone_prefix,-					  ctx.repo->url);+				url = fmt("%s%s", ctx->cfg.clone_prefix,+					  ctx->repo->url); 			html("<a class='menu' href='"); 			html_attr(url); 			html("' title='");@@ -520,10 +522,10 @@ void cgit_print_pageheader(char *title, int show_search)  		html("<h1>branch</h1>\n"); 		html("<form method='get' action=''>\n");-		add_hidden_formfields(0, 1, ctx.qry.page);+		add_hidden_formfields(0, 1, ctx->qry.page); //		html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>"); 		html("<select name='h' onchange='this.form.submit();'>\n");-		for_each_branch_ref(print_branch_option, ctx.qry.head);+		for_each_branch_ref(print_branch_option, ctx->qry.head); 		html("</select>\n"); //		html("</td><td>"); 		html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");@@ -532,22 +534,22 @@ void cgit_print_pageheader(char *title, int show_search)  		html("<h1>search</h1>\n"); 		html("<form method='get' action='");-		if (ctx.cfg.virtual_root)-			html_attr(cgit_fileurl(ctx.qry.repo, "log",-					       ctx.qry.path, NULL));+		if (ctx->cfg.virtual_root)+			html_attr(cgit_fileurl(ctx->qry.repo, "log",+					       ctx->qry.path, NULL)); 		html("'>\n"); 		add_hidden_formfields(1, 0, "log"); 		html("<select name='qt'>\n");-		html_option("grep", "log msg", ctx.qry.grep);-		html_option("author", "author", ctx.qry.grep);-		html_option("committer", "committer", ctx.qry.grep);+		html_option("grep", "log msg", ctx->qry.grep);+		html_option("author", "author", ctx->qry.grep);+		html_option("committer", "committer", ctx->qry.grep); 		html("</select>\n"); 		html("<input class='txt' type='text' name='q' value='");-		html_attr(ctx.qry.search);+		html_attr(ctx->qry.search); 		html("'/>\n"); 		html("</form>\n"); 	} else {-		if (!ctx.cfg.index_info || html_include(ctx.cfg.index_info))+		if (!ctx->cfg.index_info || html_include(ctx->cfg.index_info)) 			html(default_info); 	} @@ -556,18 +558,6 @@ void cgit_print_pageheader(char *title, int show_search) 	html("<td id='content'>\n"); } --void cgit_print_snapshot_start(const char *mimetype, const char *filename,-			       struct cacheitem *item)-{-	htmlf("Content-Type: %s\n", mimetype);-	htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);-	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));-	htmlf("Expires: %s\n", http_date(item->st.st_mtime +-					 ttl_seconds(item->ttl)));-	html("\n");-}- void cgit_print_filemode(unsigned short mode) { 	if (S_ISDIR(mode))
diff --git a/ui-shared.c b/ui-shared.c
index 2eff79d..2596023 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -26,14 +26,6 @@ static char *http_date(time_t t)
 		   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-static long ttl_seconds(long ttl)
-{
-	if (ttl<0)
-		return 60 * 60 * 24 * 365;
-	else
-		return ttl * 60;
-}
-
 void cgit_print_error(char *msg)
 {
 	html("<div class='error'>");
@@ -361,24 +353,34 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 	      secs * 1.0 / TM_YEAR);
 }
 
-void cgit_print_docstart(char *title, struct cacheitem *item)
+void cgit_print_http_headers(struct cgit_context *ctx)
 {
-	html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");
-	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
-	htmlf("Expires: %s\n", http_date(item->st.st_mtime +
-					 ttl_seconds(item->ttl)));
+	if (ctx->page.mimetype && ctx->page.charset)
+		htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
+		      ctx->page.charset);
+	else if (ctx->page.mimetype)
+		htmlf("Content-Type: %s\n", ctx->page.mimetype);
+	if (ctx->page.filename)
+		htmlf("Content-Disposition: inline; filename=\"%s\"\n",
+		      ctx->page.filename);
+	htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
+	htmlf("Expires: %s\n", http_date(ctx->page.expires));
 	html("\n");
+}
+
+void cgit_print_docstart(struct cgit_context *ctx)
+{
 	html(cgit_doctype);
 	html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 	html("<head>\n");
 	html("<title>");
-	html_txt(title);
+	html_txt(ctx->page.title);
 	html("</title>\n");
 	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
-	if (ctx.cfg.robots && *ctx.cfg.robots)
-		htmlf("<meta name='robots' content='%s'/>\n", ctx.cfg.robots);
+	if (ctx->cfg.robots && *ctx->cfg.robots)
+		htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 	html("<link rel='stylesheet' type='text/css' href='");
-	html_attr(ctx.cfg.css);
+	html_attr(ctx->cfg.css);
 	html("'/>\n");
 	html("</head>\n");
 	html("<body>\n");
@@ -463,7 +465,7 @@ void add_hidden_formfields(int incl_head, int incl_search, char *page)
 	}
 }
 
-void cgit_print_pageheader(char *title, int show_search)
+void cgit_print_pageheader(struct cgit_context *ctx)
 {
 	static const char *default_info = "This is cgit, a fast webinterface for git repositories";
 	int header = 0;
@@ -475,40 +477,40 @@ void cgit_print_pageheader(char *title, int show_search)
 	html("<tr><td class='sidebar'>\n<a href='");
 	html_attr(cgit_rooturl());
 	htmlf("'><img src='%s' alt='cgit'/></a>\n",
-	      ctx.cfg.logo);
+	      ctx->cfg.logo);
 	html("</td></tr>\n<tr><td class='sidebar'>\n");
-	if (ctx.repo) {
+	if (ctx->repo) {
 		html("<h1 class='first'>");
-		html_txt(strrpart(ctx.repo->name, 20));
+		html_txt(strrpart(ctx->repo->name, 20));
 		html("</h1>\n");
-		html_txt(ctx.repo->desc);
-		if (ctx.repo->owner) {
+		html_txt(ctx->repo->desc);
+		if (ctx->repo->owner) {
 			html("<h1>owner</h1>\n");
-			html_txt(ctx.repo->owner);
+			html_txt(ctx->repo->owner);
 		}
 		html("<h1>navigate</h1>\n");
-		reporevlink(NULL, "summary", NULL, "menu", ctx.qry.head,
+		reporevlink(NULL, "summary", NULL, "menu", ctx->qry.head,
 			    NULL, NULL);
-		cgit_log_link("log", NULL, "menu", ctx.qry.head, NULL, NULL,
+		cgit_log_link("log", NULL, "menu", ctx->qry.head, NULL, NULL,
 			      0, NULL, NULL);
-		cgit_tree_link("tree", NULL, "menu", ctx.qry.head,
-			       ctx.qry.sha1, NULL);
-		cgit_commit_link("commit", NULL, "menu", ctx.qry.head,
-			      ctx.qry.sha1);
-		cgit_diff_link("diff", NULL, "menu", ctx.qry.head,
-			       ctx.qry.sha1, ctx.qry.sha2, NULL);
-		cgit_patch_link("patch", NULL, "menu", ctx.qry.head,
-				ctx.qry.sha1);
+		cgit_tree_link("tree", NULL, "menu", ctx->qry.head,
+			       ctx->qry.sha1, NULL);
+		cgit_commit_link("commit", NULL, "menu", ctx->qry.head,
+			      ctx->qry.sha1);
+		cgit_diff_link("diff", NULL, "menu", ctx->qry.head,
+			       ctx->qry.sha1, ctx->qry.sha2, NULL);
+		cgit_patch_link("patch", NULL, "menu", ctx->qry.head,
+				ctx->qry.sha1);
 
 		for_each_ref(print_archive_ref, &header);
 
-		if (ctx.repo->clone_url || ctx.cfg.clone_prefix) {
+		if (ctx->repo->clone_url || ctx->cfg.clone_prefix) {
 			html("<h1>clone</h1>\n");
-			if (ctx.repo->clone_url)
-				url = ctx.repo->clone_url;
+			if (ctx->repo->clone_url)
+				url = ctx->repo->clone_url;
 			else
-				url = fmt("%s%s", ctx.cfg.clone_prefix,
-					  ctx.repo->url);
+				url = fmt("%s%s", ctx->cfg.clone_prefix,
+					  ctx->repo->url);
 			html("<a class='menu' href='");
 			html_attr(url);
 			html("' title='");
@@ -520,10 +522,10 @@ void cgit_print_pageheader(char *title, int show_search)
 
 		html("<h1>branch</h1>\n");
 		html("<form method='get' action=''>\n");
-		add_hidden_formfields(0, 1, ctx.qry.page);
+		add_hidden_formfields(0, 1, ctx->qry.page);
 //		html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
 		html("<select name='h' onchange='this.form.submit();'>\n");
-		for_each_branch_ref(print_branch_option, ctx.qry.head);
+		for_each_branch_ref(print_branch_option, ctx->qry.head);
 		html("</select>\n");
 //		html("</td><td>");
 		html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
@@ -532,22 +534,22 @@ void cgit_print_pageheader(char *title, int show_search)
 
 		html("<h1>search</h1>\n");
 		html("<form method='get' action='");
-		if (ctx.cfg.virtual_root)
-			html_attr(cgit_fileurl(ctx.qry.repo, "log",
-					       ctx.qry.path, NULL));
+		if (ctx->cfg.virtual_root)
+			html_attr(cgit_fileurl(ctx->qry.repo, "log",
+					       ctx->qry.path, NULL));
 		html("'>\n");
 		add_hidden_formfields(1, 0, "log");
 		html("<select name='qt'>\n");
-		html_option("grep", "log msg", ctx.qry.grep);
-		html_option("author", "author", ctx.qry.grep);
-		html_option("committer", "committer", ctx.qry.grep);
+		html_option("grep", "log msg", ctx->qry.grep);
+		html_option("author", "author", ctx->qry.grep);
+		html_option("committer", "committer", ctx->qry.grep);
 		html("</select>\n");
 		html("<input class='txt' type='text' name='q' value='");
-		html_attr(ctx.qry.search);
+		html_attr(ctx->qry.search);
 		html("'/>\n");
 		html("</form>\n");
 	} else {
-		if (!ctx.cfg.index_info || html_include(ctx.cfg.index_info))
+		if (!ctx->cfg.index_info || html_include(ctx->cfg.index_info))
 			html(default_info);
 	}
 
@@ -556,18 +558,6 @@ void cgit_print_pageheader(char *title, int show_search)
 	html("<td id='content'>\n");
 }
 
-
-void cgit_print_snapshot_start(const char *mimetype, const char *filename,
-			       struct cacheitem *item)
-{
-	htmlf("Content-Type: %s\n", mimetype);
-	htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
-	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
-	htmlf("Expires: %s\n", http_date(item->st.st_mtime +
-					 ttl_seconds(item->ttl)));
-	html("\n");
-}
-
 void cgit_print_filemode(unsigned short mode)
 {
 	if (S_ISDIR(mode))
diff --git a/ui-snapshot.c b/ui-snapshot.cindex 67dbbdd..4449803 100644--- a/ui-snapshot.c+++ b/ui-snapshot.c@@ -101,7 +101,9 @@ void cgit_print_snapshot(struct cacheitem *item, const char *head, 		args.base = fmt("%s/", prefix); 		args.tree = commit->tree; 		args.time = commit->date;-		cgit_print_snapshot_start(sat->mimetype, filename, item);+		ctx.page.mimetype = xstrdup(sat->mimetype);+		ctx.page.filename = xstrdup(filename);+		cgit_print_http_headers(&ctx); 		(*sat->write_func)(&args); 		return; 	}
diff --git a/ui-snapshot.c b/ui-snapshot.c
index 67dbbdd..4449803 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -101,7 +101,9 @@ void cgit_print_snapshot(struct cacheitem *item, const char *head,
 		args.base = fmt("%s/", prefix);
 		args.tree = commit->tree;
 		args.time = commit->date;
-		cgit_print_snapshot_start(sat->mimetype, filename, item);
+		ctx.page.mimetype = xstrdup(sat->mimetype);
+		ctx.page.filename = xstrdup(filename);
+		cgit_print_http_headers(&ctx);
 		(*sat->write_func)(&args);
 		return;
 	}