browse: build download url for files

1 files changed, 36 insertions, 1 deletions

diff --git a/download.c b/download.c
index 8512405..f506466 100644
--- a/download.c
+++ b/download.c
@@ -38,8 +38,40 @@
 #include "cgi.h"
 #include "config.h"
 #include "download.h"
+#include "file.h"
 #include "http.h"
 #include "url.h"
+#include "util.h"
+
+/*
+ * download url = r->pname / DOWNLOAD_URL / file->path / file->name
+ */
+size_t
+build_download_url(struct kreq * r, struct file * file)
+{
+	char 	action_url[PATH_MAX];
+	size_t 	action_url_len;
+
+	/* don't download directories */
+	if (file->is_dir)
+		return 0;
+
+	action_url_len = url_build(action_url, PATH_MAX, r->pname, DOWNLOAD_URL,
+				   file->path, file->name, NULL);
+	if (action_url_len == 0 || action_url_len >= PATH_MAX) {
+		kutil_warn(r, NULL,
+			   "download: action URL overflow: %s", action_url);
+		return 0;
+	}
+	file->action_url = v_strcpy(action_url, action_url_len);
+	if (file->action_url == NULL) {
+		kutil_warn(r, NULL,
+			   "download: unable to allocate file url buffer: %s",
+			   action_url);
+		return 0;
+	}
+	return action_url_len;
+}
 
 void
 download(struct kreq * r)
@@ -55,13 +87,16 @@ download(struct kreq * r)
 		http_exit(r, KHTTP_400, "download: Invalid request path");
 
 	/* build requested file path */
-	path_size = url_build(file_path, PATH_MAX, DATA_DIR, "File.txt",
+	path_size = url_build(file_path, PATH_MAX, DATA_DIR, r->path,
 			      NULL);
 	if (path_size == 0)
 		http_exit(r, KHTTP_404, "download: Unable to build file path");
 	if (path_size >= PATH_MAX)
 		http_exit(r, KHTTP_414, NULL);
 
+	/* check that it is a file */
+
+
 	/* memory map the file */
 	fd = open(file_path, O_RDONLY);
 	if (fd < 0)