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authorDave Barach <dave@barachs.net>2022-12-07 14:19:15 -0500
committerFlorin Coras <florin.coras@gmail.com>2022-12-08 15:40:02 +0000
commitc0a2527a83dde2c23dad2bb0d28ef4cf64da6c6c (patch)
tree5da971021d700a99651f876dc8e85d3eb7fe1d29 /src/plugins/http_static
parent919fdad6bc54d0ed6e2ac842770e9e77c5cbc0a6 (diff)
http_static: derive mime type from file extensions
Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I0f087477e257f5119d7d6182d19f8796773a1f19
Diffstat (limited to 'src/plugins/http_static')
-rw-r--r--src/plugins/http_static/http_static.h5
-rw-r--r--src/plugins/http_static/static_server.c47
2 files changed, 51 insertions, 1 deletions
diff --git a/src/plugins/http_static/http_static.h b/src/plugins/http_static/http_static.h
index 5ea1a6eab8f..2850d356b74 100644
--- a/src/plugins/http_static/http_static.h
+++ b/src/plugins/http_static/http_static.h
@@ -50,6 +50,8 @@ typedef struct
int free_data;
/** File cache pool index */
u32 cache_pool_index;
+ /** Content type, e.g. text, text/javascript, etc. */
+ http_content_type_t content_type;
} hss_session_t;
typedef struct hss_session_handle_
@@ -150,6 +152,9 @@ typedef struct
u8 enable_url_handlers;
/** Max cache size before LRU occurs */
u64 cache_size;
+
+ /** hash table of file extensions to mime types string indices */
+ uword *mime_type_indices_by_file_extensions;
} hss_main_t;
extern hss_main_t hss_main;
diff --git a/src/plugins/http_static/static_server.c b/src/plugins/http_static/static_server.c
index a76cb87a2ce..4d0373a31b6 100644
--- a/src/plugins/http_static/static_server.c
+++ b/src/plugins/http_static/static_server.c
@@ -89,7 +89,7 @@ start_send_data (hss_session_t *hs, http_status_code_t status)
msg.type = HTTP_MSG_REPLY;
msg.code = status;
- msg.content_type = HTTP_CONTENT_TEXT_HTML;
+ msg.content_type = hs->content_type;
msg.data.len = hs->data_len;
if (hs->data_len > hss_main.use_ptr_thresh)
@@ -145,6 +145,33 @@ hss_session_send_data (hss_url_handler_args_t *args)
start_send_data (hs, args->sc);
}
+static http_content_type_t
+content_type_from_request (u8 *request)
+{
+ u8 *ext;
+ uword *p;
+ /* default to text/html */
+ http_content_type_t rv = HTTP_CONTENT_TEXT_HTML;
+
+ ASSERT (vec_len (request) > 0);
+
+ ext = request + vec_len (request) - 1;
+
+ while (ext > request && ext[0] != '.')
+ ext--;
+
+ if (ext == request)
+ return rv;
+
+ p = hash_get_mem (hss_main.mime_type_indices_by_file_extensions, ext);
+
+ if (p == 0)
+ return rv;
+
+ rv = p[0];
+ return rv;
+}
+
static int
try_url_handler (hss_main_t *hsm, hss_session_t *hs, http_req_method_t rt,
u8 *request)
@@ -152,11 +179,14 @@ try_url_handler (hss_main_t *hsm, hss_session_t *hs, http_req_method_t rt,
http_status_code_t sc = HTTP_STATUS_OK;
hss_url_handler_args_t args = {};
uword *p, *url_table;
+ http_content_type_t type;
int rv;
if (!hsm->enable_url_handlers || !request)
return -1;
+ type = content_type_from_request (request);
+
/* Look for built-in GET / POST handlers */
url_table =
(rt == HTTP_REQ_GET) ? hsm->get_url_handlers : hsm->post_url_handlers;
@@ -193,6 +223,7 @@ try_url_handler (hss_main_t *hsm, hss_session_t *hs, http_req_method_t rt,
hs->data = args.data;
hs->data_len = args.data_len;
hs->free_data = args.free_vec_data;
+ hs->content_type = type;
start_send_data (hs, sc);
@@ -284,11 +315,14 @@ try_file_handler (hss_main_t *hsm, hss_session_t *hs, http_req_method_t rt,
http_status_code_t sc = HTTP_STATUS_OK;
u8 *path;
u32 ce_index;
+ http_content_type_t type;
/* Feature not enabled */
if (!hsm->www_root)
return -1;
+ type = content_type_from_request (request);
+
/*
* Construct the file to open
* Browsers are capable of sporadically including a leading '/'
@@ -331,6 +365,7 @@ try_file_handler (hss_main_t *hsm, hss_session_t *hs, http_req_method_t rt,
done:
+ hs->content_type = type;
start_send_data (hs, sc);
if (!hs->data)
hss_session_disconnect_transport (hs);
@@ -908,6 +943,16 @@ hss_main_init (vlib_main_t *vm)
hsm->app_index = ~0;
hsm->vlib_main = vm;
+ /* Set up file extension to mime type index map */
+ hsm->mime_type_indices_by_file_extensions =
+ hash_create_string (0, sizeof (uword));
+
+#define _(def, ext, str) \
+ hash_set_mem (hsm->mime_type_indices_by_file_extensions, ext, \
+ HTTP_CONTENT_##def);
+ foreach_http_content_type;
+#undef _
+
return 0;
}