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Commit 7cace648 authored by Deomid Ryabkov's avatar Deomid Ryabkov Committed by Cesanta Bot
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Improve cookie auth example 

Use templated index page and SSI calls instead of hard-coded html

PUBLISHED_FROM=eade9dfe283952ed5465cd0ff1924f61a14dea0c
parent 447bf4ad
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Showing with 77 additions and 32 deletions
examples/cookie_auth/cookie_auth.c
View file @ 7cace648
......@@ -197,37 +197,48 @@ void check_sessions() {
/* Main event handler. */
static void ev_handler(struct mg_connection *nc, int ev, void *p) {
/* Perform session maintenance. */
if (ev == MG_EV_TIMER) {
check_sessions();
mg_set_timer(nc, mg_time() + SESSION_CHECK_INTERVAL);
return;
}
if (ev != MG_EV_HTTP_REQUEST) return;
nc->flags |= MG_F_SEND_AND_CLOSE;
struct http_message *hm = (struct http_message *) p;
struct session *s = get_session(hm);
/* Ask the user to log in if they did not present a valid cookie. */
if (s == NULL) {
mg_printf(nc,
"HTTP/1.0 302 Found\r\n"
"Location: /login.html\r\n"
"\r\n"
"Please log in");
return;
switch (ev) {
case MG_EV_HTTP_REQUEST: {
struct http_message *hm = (struct http_message *) p;
struct session *s = get_session(hm);
/* Ask the user to log in if they did not present a valid cookie. */
if (s == NULL) {
mg_printf(nc,
"HTTP/1.0 302 Found\r\n"
"Location: /login.html\r\n"
"\r\n"
"Please log in");
nc->flags |= MG_F_SEND_AND_CLOSE;
break;
}
/*
* Serve the page that was requested.
* Save session in user_data for use by SSI calls.
*/
fprintf(stderr, "%s (sid %" INT64_X_FMT ") requested %.*s\n", s->user,
s->id, (int) hm->uri.len, hm->uri.p);
nc->user_data = s;
mg_serve_http(nc, (struct http_message *) p, s_http_server_opts);
break;
}
case MG_EV_SSI_CALL: {
/* Expand variables in a page by using session data. */
const char *var = (const char *) p;
const struct session *s = (const struct session *) nc->user_data;
if (strcmp(var, "user") == 0) {
mg_printf_html_escape(nc, "%s", s->user);
} else if (strcmp(var, "lucky_number") == 0) {
mg_printf_html_escape(nc, "%d", s->lucky_number);
}
break;
}
case MG_EV_TIMER: {
/* Perform session maintenance. */
check_sessions();
mg_set_timer(nc, mg_time() + SESSION_CHECK_INTERVAL);
break;
}
}
/* Application logic that uses session data goes here. */
fprintf(stderr, "%s (sid %" INT64_X_FMT ") requested %.*s\n", s->user, s->id,
(int) hm->uri.len, hm->uri.p);
mg_printf(nc,
"HTTP/1.0 200 Ok\r\n"
"COntent-Type: text/html\r\n"
"\r\n"
"<h1>Hello, %s!</h1>\r\n"
"<p>Your lucky number is %d.</p>\r\n"
"<p><a href=/logout>Log out</a>",
s->user, s->lucky_number);
}
int main(void) {
......
examples/cookie_auth/index.shtml 0 → 100644
View file @ 7cace648
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Main - Mongoose cookie_auth</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
* { outline: none; }
body {
background-color: #789; margin: 0;
padding: 0; font: 16px/1.4 Helvetica, Arial, sans-serif;
font: 16px/1.4 Helvetica, Arial, sans-serif;
}
div.content {
width: 600px; margin: 2em auto; padding: 20px 50px;
background-color: #fff; border-radius: 1em;
}
label { display: inline-block; min-width: 7em; }
input { border: 1px solid #ccc; padding: 0.2em; }
a:link, a:visited { color: #69c; text-decoration: none; }
@media (max-width: 700px) {
body { background-color: #fff; }
div.content { width: auto; margin: 0 auto; padding: 1em; }
}
</style>
</head>
<body>
<div class="content">
<h1>Hello, <!--#call user -->!</h1>
<p>Your lucky number is <!--#call lucky_number -->.</p>
<p><a href="/logout">Log out</a>
</div>
</body>
</html>
examples/cookie_auth/login.html
View file @ 7cace648
......@@ -2,7 +2,7 @@
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Please log in</title>
<title>Log in - Mongoose cookie_auth</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
* { outline: none; }
......@@ -12,7 +12,7 @@
font: 16px/1.4 Helvetica, Arial, sans-serif;
}
div.content {
width: 800px; margin: 2em auto; padding: 20px 50px;
width: 600px; margin: 2em auto; padding: 20px 50px;
background-color: #fff; border-radius: 1em;
}
label { display: inline-block; min-width: 7em; }
......
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