X-Git-Url: https://codewiz.org/gitweb?p=bertos.git;a=blobdiff_plain;f=bertos%2Fnet%2Fhttp.c;h=29146d405161d2f379298451a5fb6aeb9995ff52;hp=e3fc8085790e661dc556e571b068d76142426582;hb=fb5863ca8d0db3ff2e84721f7c902b031157ebb0;hpb=d603ad8d35758a54f6cb08a7f8c16f6327ea86e0 diff --git a/bertos/net/http.c b/bertos/net/http.c index e3fc8085..29146d40 100644 --- a/bertos/net/http.c +++ b/bertos/net/http.c @@ -55,64 +55,158 @@ #include #include +#include #include +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; + value_len = http_decodeUrl(p, strlen(p), decoded_str, sizeof(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) +size_t 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); + + char value; + size_t i; + memset(decodec_buf, 0, len); - if (revc_buf && (recv_len > sizeof("GET /"))) + for (i = 0; i < raw_len; i++) { - if (*revc_buf++ == 'G' && - *revc_buf++ == 'E' && *revc_buf++ == 'T') + if (len <= 1) + return i; + + if (raw_buf[i] == '%') + { + if (i + 2 < raw_len) { - str_ok = true; - 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--; + } + + return i; +} + +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) @@ -127,12 +221,76 @@ void http_getPageName(const char *revc_buf, size_t recv_len, char *page_name, si INLINE const char *get_ext(const char *name) { const char *ext = strstr(name, "."); - if(ext && (ext + 1)) + if(ext != NULL && ext[1] != '\0') return (ext + 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_NOCOPY); + netconn_write(client, http_content_type[content_type].content, + strlen(http_content_type[content_type].content), NETCONN_NOCOPY); +} + + +/** + * 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_NOCOPY); + netconn_write(client, http_content_type[content_type].content, + strlen(http_content_type[content_type].content), NETCONN_NOCOPY); +} + +/** + * 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_NOCOPY); + netconn_write(client, http_content_type[content_type].content, + strlen(http_content_type[content_type].content), NETCONN_NOCOPY); +} + static http_handler_t cgi_search(const char *name, HttpCGI *table) { if (!table) @@ -140,20 +298,35 @@ static http_handler_t cgi_search(const char *name, HttpCGI *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 /* (table[i].type == CGI_MATCH_NAME) */ + 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) */ + { + if (!strcmp(table[i].name, name)) + { + LOG_INFO("Word match: %s\n", name); break; + } } i++; @@ -190,7 +363,6 @@ void http_poll(struct netconn *server) 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); @@ -200,7 +372,7 @@ void http_poll(struct netconn *server) 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); } }