#include <cfg/log.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+static struct { const char *key; const char *content; } http_content_type[] =
+{
+ {"", "Content-type: application/json\r\n\r\n"},
+ {"htm", "Content-type: text/html\r\n\r\n"},
+ {"css", "Content-type: text/css\r\n\r\n"},
+ {"js", "Content-type: text/javascript\r\n\r\n"},
+ {"png", "Content-type: image/png\r\n\r\n"},
+ {"jpg", "Content-type: image/jpeg\r\n\r\n"},
+ {"gif", "Content-type: image/gif\r\n\r\n"},
+ {"txt", "Content-type: text/plain\r\n\r\n"},
+};
-static const char http_html_hdr_200[] = "HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n";
-static const char http_html_hdr_404[] = "HTTP/1.1 404 Not Found\r\nContent-type: text/html\r\n\r\n";
-static const char http_html_hdr_500[] = "HTTP/1.1 500 Internal Server Error\r\nContent-type: text/html\r\n\r\n";
+static const char http_html_hdr_200[] = "HTTP/1.0 200 OK\r\n";
+static const char http_html_hdr_404[] = "HTTP/1.0 404 Not Found\r\n";
+static const char http_html_hdr_500[] = "HTTP/1.0 500 Internal Server Error\r\n";
static HttpCGI *cgi_table;
static http_handler_t http_callback;
+static char decoded_str[80];
/**
- * Send on \param client socket
- * the 200 Ok http header
+ * Get key value from tokenized buffer
*/
-void http_sendOk(struct netconn *client)
+int http_getValue(char *tolenized_buf, size_t tolenized_buf_len, const char *key, char *value, size_t len)
{
- netconn_write(client, http_html_hdr_200, sizeof(http_html_hdr_200) - 1, NETCONN_NOCOPY);
-}
+ if (!tolenized_buf || !key || !value)
+ return -1;
+
+ char *p = tolenized_buf;
+ size_t value_len = 0;
+ memset(value, 0, len);
+
+ for (size_t i = 0; i < tolenized_buf_len; i++)
+ {
+ size_t token_len = strlen(p);
+ http_decodeUrl(p, token_len, decoded_str, sizeof(decoded_str));
+
+ if (!strcmp(key, decoded_str))
+ {
+ /* skip key */
+ p += token_len + 1;
+
+ http_decodeUrl(p, strlen(p), decoded_str, sizeof(decoded_str));
+ value_len = strlen(decoded_str);
+
+ if (value_len >= len)
+ return -1;
+
+ strcpy(value, decoded_str);
+ return value_len;
+ }
+ /* jump to next pair */
+ p += token_len + 1;
+ }
+
+ return -1;
+}
/**
- * Send on \param client socket
- * the 404 File not found http header
+ * tokenize a buffer
*/
-void http_sendFileNotFound(struct netconn *client)
+int http_tokenizeGetRequest(char *raw_buf, size_t raw_len)
{
- netconn_write(client, http_html_hdr_404, sizeof(http_html_hdr_404) - 1, NETCONN_NOCOPY);
+ size_t token = 0;
+
+ for(size_t i = 0; (i < raw_len) && raw_buf; i++)
+ {
+ if (raw_buf[i] == '&')
+ {
+ token++;
+ raw_buf[i] = '\0';
+ }
+
+ if (raw_buf[i] == '=')
+ raw_buf[i] = '\0';
+ }
+
+ return token + 1;
}
-/**
- * Send on \param client socket
- * the 500 internal server error http header
- */
-void http_sendInternalErr(struct netconn *client)
+static char http_hexToAscii(char first, char second)
{
- netconn_write(client, http_html_hdr_500, sizeof(http_html_hdr_500) - 1, NETCONN_NOCOPY);
+ char hex[5], *stop;
+ hex[0] = '0';
+ hex[1] = 'x';
+ hex[2] = first;
+ hex[3] = second;
+ hex[4] = 0;
+ return strtol(hex, &stop, 16);
}
-void http_getPageName(const char *revc_buf, size_t recv_len, char *page_name, size_t len)
+void http_decodeUrl(const char *raw_buf, size_t raw_len, char *decodec_buf, size_t len)
{
- int i = 0;
- bool str_ok = false;
+ ASSERT(decodec_buf);
- if (revc_buf && (recv_len > sizeof("GET /")))
+ char value;
+ memset(decodec_buf, 0, len);
+
+ for (size_t i = 0; i < raw_len; i++)
{
- if (*revc_buf++ == 'G' &&
- *revc_buf++ == 'E' && *revc_buf++ == 'T')
+ if (!len)
+ return;
+
+ if (raw_buf[i] == '%')
+ {
+ if (i + 2 < raw_len)
{
- str_ok = true;
- /* skip the space and "/" */
- revc_buf += 2;
+ /* convert hex value after % */
+ value = http_hexToAscii(raw_buf[i + 1], raw_buf[i + 2]);
+ if (value)
+ {
+ *decodec_buf++ = value;
+ len--;
+ /* decoded two digit of hex value, go to next value*/
+ i += 2;
+ continue;
+ }
}
+ }
+
+ /* Manage special case of '+', that it should be convert in space */
+ *decodec_buf++ = (raw_buf[i] == '+' ? ' ' : raw_buf[i]);
+ len--;
+ }
+}
+
+void http_getPageName(const char *recv_buf, size_t recv_len, char *page_name, size_t len)
+{
+ int i = 0;
+ bool str_ok = false;
+ const char *p = recv_buf;
+ if (p && (recv_len > sizeof("GET /")))
+ {
+ if (*p++ == 'G' && *p++ == 'E' && *p++ == 'T')
+ {
+ str_ok = true;
+ /* skip the space and "/" */
+ p += 2;
+ }
}
if (str_ok)
{
while ((size_t)i < recv_len)
{
- char ch = *(revc_buf++);
+ char ch = *(p++);
if (ch == ' ' || ch == '\t' || ch == '\n')
break;
if((size_t)i == len - 1)
return NULL;
}
+int http_searchContentType(const char *name)
+{
+ if (!name)
+ return 0;
+
+ const char *ext = get_ext(name);
+ LOG_INFO("Ext: %s\n", !ext ? "none" : ext);
+
+ if (!ext)
+ return 0;
+
+ if (!strcmp(ext, "ico"))
+ return HTTP_CONTENT_JPEG;
+
+ for (int i = 0; i < HTTP_CONTENT_CNT; i++)
+ {
+ if (!strcmp(ext, http_content_type[i].key))
+ return i;
+ }
+
+ return 0;
+}
+
+
+/**
+ * Send on \param client socket the 200 Ok http header with
+ * select \param content_type
+ */
+void http_sendOk(struct netconn *client, int content_type)
+{
+ ASSERT(content_type < HTTP_CONTENT_CNT);
+
+ netconn_write(client, http_html_hdr_200, sizeof(http_html_hdr_200) - 1, NETCONN_COPY);
+ netconn_write(client, http_content_type[content_type].content,
+ strlen(http_content_type[content_type].content), NETCONN_COPY);
+}
+
+
+/**
+ * Send on \param client socket the 404 File not found http header with
+ * select \param content_type
+ */
+void http_sendFileNotFound(struct netconn *client, int content_type)
+{
+ ASSERT(content_type < HTTP_CONTENT_CNT);
+
+ netconn_write(client, http_html_hdr_404, sizeof(http_html_hdr_404) - 1, NETCONN_COPY);
+ netconn_write(client, http_content_type[content_type].content,
+ strlen(http_content_type[content_type].content), NETCONN_COPY);
+}
+
+/**
+ * Send on \param client socket the 500 internal server error http header with
+ * select \param content_type
+ */
+void http_sendInternalErr(struct netconn *client, int content_type)
+{
+ ASSERT(content_type < HTTP_CONTENT_CNT);
+
+ netconn_write(client, http_html_hdr_500, sizeof(http_html_hdr_500) - 1, NETCONN_COPY);
+ netconn_write(client, http_content_type[content_type].content,
+ strlen(http_content_type[content_type].content), NETCONN_COPY);
+}
+
static http_handler_t cgi_search(const char *name, HttpCGI *table)
{
if (!table)
int i = 0;
const char *ext = get_ext(name);
- LOG_INFO("EXT %s\n", ext);
+
while(table[i].name)
{
if (ext && table[i].type == CGI_MATCH_EXT)
{
- LOG_INFO("Match all ext %s\n", ext);
+
if (!strcmp(table[i].name, ext))
+ {
+ LOG_INFO("Match ext: %s\n", ext);
break;
+ }
}
else if (table[i].type == CGI_MATCH_NAME)
{
- LOG_INFO("Match all name %s\n", name);
+
if (strstr(name, table[i].name) != NULL)
+ {
+ LOG_INFO("Match string: %s\n", name);
break;
+ }
}
else /* (table[i].type == CGI_MATCH_WORD) */
{
- LOG_INFO("Match all word %s\n", name);
+
if (!strcmp(table[i].name, name))
+ {
+ LOG_INFO("Word match: %s\n", name);
break;
+ }
}
i++;
memset(req_string, 0, sizeof(req_string));
http_getPageName(rx_buf, len, req_string, sizeof(req_string));
- LOG_INFO("Search %s\n", req_string);
if (req_string[0] == '\0')
strcpy(req_string, HTTP_DEFAULT_PAGE);
if (cgi(client, req_string, rx_buf, len) < 0)
{
LOG_ERR("Internal server error\n");
- http_sendInternalErr(client);
+ http_sendInternalErr(client, HTTP_CONTENT_HTML);
netconn_write(client, http_server_error, http_server_error_len - 1, NETCONN_NOCOPY);
}
}