string index_listing (void * webserver_request, string url)
{
string page;
page = Assets_Page::header ("Bibledit", webserver_request);
// No breadcrumbs because the user can arrive here from more than one place.
Assets_View view;
url = filter_url_urldecode (url);
url = filter_url_create_path ("", url);
url = filter_string_str_replace ("\\", "/", url);
view.set_variable ("url", url);
string parent = filter_url_dirname_web (url);
if (parent.length () > 1) {
view.enable_zone ("parent");
view.set_variable ("parent", parent);
}
string directory = filter_url_create_root_path (url);
if (!file_or_dir_exists (directory) || filter_url_is_dir (directory)) {
vector <string> files = filter_url_scandir (directory);
for (auto & file : files) {
string path = filter_url_create_path (directory, file);
string line;
line.append ("<tr>");
line.append ("<td>");
line.append ("<a href=\"" + filter_url_create_path (url, file) + "\">");
line.append (file);
line.append ("</a>");
line.append ("</td>");
line.append ("<td>");
if (!filter_url_is_dir (path)) {
line.append (convert_to_string (filter_url_filesize (path)));
}
line.append ("</td>");
line.append ("</tr>");
file = line;
}
string listing = filter_string_implode (files, "\n");
if (listing.empty ()) listing = translate ("No files in this folder");
else {
listing.insert (0, "<table>");
listing.append ("</table>");
}
view.set_variable ("listing", listing);
} else {
string filename = filter_url_create_root_path (url);
return filter_url_file_get_contents (filename);
}
page += view.render ("index", "listing");
page += Assets_Page::footer ();
return page;
}
// Does an integrity check on the database.
// Returns true if healthy, false otherwise.
bool database_sqlite_healthy (string database)
{
string file = database_sqlite_file (database);
bool ok = false;
// Do an integrity check on the database.
// An empty file appears healthy too, so deal with that.
if (filter_url_filesize (file) > 0) {
sqlite3 * db = database_sqlite_connect (database);
string query = "PRAGMA integrity_check;";
map <string, vector <string> > result = database_sqlite_query (db, query);
vector <string> health = result ["integrity_check"];
if (health.size () == 1) {
if (health [0] == "ok") ok = true;
}
database_sqlite_disconnect (db);
}
return ok;
}
// This function serves a file and enables caching by the browser.
void http_serve_cache_file (Webserver_Request * request)
{
// Full path to the file.
string filename = filter_url_create_root_path (filter_url_urldecode (request->get));
// File size for browser caching.
int size = filter_url_filesize (filename);
request->etag = "\"" + convert_to_string (size) + "\"";
// Deal with situation that the file in the browser's cache is up to date.
// https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/http-caching
if (request->etag == request->if_none_match) {
request->response_code = 304;
return;
}
// Get file's contents.
request->reply = filter_url_file_get_contents (filename);
}
