When serving dynamic content, include a Cache-Control header to instruct the

browsers to not store the resulting content.  
(issue #9621, reported by Pari, patch by me)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@62414 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-04-30 15:25:31 +00:00
parent 16405bbca9
commit 63a37f4755
2 changed files with 13 additions and 3 deletions

View File

@@ -42,7 +42,9 @@ struct ast_http_uri {
struct ast_http_uri *next;
const char *description;
const char *uri;
int has_subtree;
unsigned int has_subtree:1;
/*! This URI mapping serves static content */
unsigned int static_content:1;
ast_http_callback callback;
};

View File

@@ -225,6 +225,7 @@ static struct ast_http_uri staticuri = {
.description = "Asterisk HTTP Static Delivery",
.uri = "static",
.has_subtree = 1,
.static_content = 1,
};
char *ast_http_error(int status, const char *title, const char *extra_header, const char *text)
@@ -291,7 +292,9 @@ void ast_http_uri_unlink(struct ast_http_uri *urih)
ast_rwlock_unlock(&uris_lock);
}
static char *handle_uri(struct sockaddr_in *sin, char *uri, int *status, char **title, int *contentlength, struct ast_variable **cookies)
static char *handle_uri(struct sockaddr_in *sin, char *uri, int *status,
char **title, int *contentlength, struct ast_variable **cookies,
unsigned int *static_content)
{
char *c;
char *turi;
@@ -358,6 +361,8 @@ static char *handle_uri(struct sockaddr_in *sin, char *uri, int *status, char **
}
}
if (urih) {
if (urih->static_content)
*static_content = 1;
c = urih->callback(sin, uri, vars, status, title, contentlength);
ast_rwlock_unlock(&uris_lock);
} else if (ast_strlen_zero(uri) && ast_strlen_zero(prefix)) {
@@ -385,6 +390,7 @@ static void *ast_httpd_helper_thread(void *data)
char *vname, *vval;
int status = 200, contentlength = 0;
time_t t;
unsigned int static_content = 0;
if (fgets(buf, sizeof(buf), ser->f)) {
/* Skip method */
@@ -468,7 +474,7 @@ static void *ast_httpd_helper_thread(void *data)
if (*uri) {
if (!strcasecmp(buf, "get"))
c = handle_uri(&ser->requestor, uri, &status, &title, &contentlength, &vars);
c = handle_uri(&ser->requestor, uri, &status, &title, &contentlength, &vars, &static_content);
else
c = ast_http_error(501, "Not Implemented", NULL, "Attempt to use unimplemented / unsupported method");\
} else
@@ -487,6 +493,8 @@ static void *ast_httpd_helper_thread(void *data)
ast_cli(ser->fd, "Server: Asterisk/%s\r\n", ASTERISK_VERSION);
ast_cli(ser->fd, "Date: %s\r\n", timebuf);
ast_cli(ser->fd, "Connection: close\r\n");
if (!static_content)
ast_cli(ser->fd, "Cache-Control: no-cache, no-store\r\n");
if (contentlength) {
char *tmp;
tmp = strstr(c, "\r\n\r\n");