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/******************************************************************
* $Id: nanohttp-response.c,v 1.5 2005/05/27 19:28:15 snowdrop Exp $
*
* CSOAP Project: A http client/server library in C
* Copyright (C) 2003-2004 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: ferhatayaz@yahoo.com
******************************************************************/
#include <nanohttp/nanohttp-common.h>
#include <nanohttp/nanohttp-response.h>
#include <string.h>
#ifdef MEM_DEBUG
#include <utils/alloc.h>
#endif
static
hresponse_t*
hresponse_new()
{
hresponse_t *res;
/* create response object */
res = (hresponse_t *) malloc(sizeof(hresponse_t));
res->version = HTTP_1_1;
res->errcode = -1;
res->desc[0] = '\0';
res->header = NULL;
res->in = NULL;
res->content_type = NULL;
res->attachments = NULL;
return res;
}
static
hresponse_t*
_hresponse_parse_header(const char *buffer)
{
hresponse_t *res;
char *s1, *s2, *str;
/* create response object */
res = hresponse_new();
/* *** parse spec *** */
/* [HTTP/1.1 | 1.2] [CODE] [DESC] */
/* stage 1: HTTP spec */
str = (char *) strtok_r((char *) buffer, " ", &s2);
s1 = s2;
if (str == NULL) {
log_error1("Parse error reading HTTP spec");
return NULL;
}
if (!strcmp(str, "HTTP/1.0"))
res->version = HTTP_1_0;
else
res->version = HTTP_1_1;
/* stage 2: http code */
str = (char *) strtok_r(s1, " ", &s2);
s1 = s2;
if (str == NULL) {
log_error1("Parse error reading HTTP code");
return NULL;
}
res->errcode = atoi(str);
/* stage 3: description text */
str = (char *) strtok_r(s1, "\r\n", &s2);
s1 = s2;
if (str == NULL) {
log_error1("Parse error reading HTTP description");
return NULL;
}
/* res->desc = (char *) malloc(strlen(str) + 1);*/
strncpy(res->desc, str, RESPONSE_MAX_DESC_SIZE);
res->desc[strlen(str)] = '\0';
/* *** parse header *** */
/* [key]: [value] */
for (;;) {
str = strtok_r(s1, "\n", &s2);
s1 = s2;
/* check if header ends without body */
if (str == NULL) {
return res;
}
/* check also for end of header */
if (!strcmp(str, "\r")) {
break;
}
str[strlen(str) - 1] = '\0';
res->header = hpairnode_parse(str, ":", res->header);
}
/* Check Content-type */
str = hpairnode_get(res->header, HEADER_CONTENT_TYPE);
if (str != NULL)
res->content_type = content_type_new(str);
/* return response object */
return res;
}
herror_t
hresponse_new_from_socket(hsocket_t sock, hresponse_t **out)
{
int i=0, readed;
herror_t status;
hresponse_t *res;
attachments_t *mimeMessage;
char buffer[MAX_HEADER_SIZE+1];
read_header: /* for errorcode: 100 (continue) */
/* Read header */
while (i<MAX_HEADER_SIZE)
{
status = hsocket_read(sock, &(buffer[i]), 1, 1, &readed);
if (status != H_OK)
{
log_error1("Socket read error");
return status;
}
buffer[i+1] = '\0'; /* for strmp */
if (i > 3)
{
if (!strcmp(&(buffer[i-1]), "\n\n") ||
!strcmp(&(buffer[i-2]), "\n\r\n"))
break;
}
i++;
}
/* Create response */
res = _hresponse_parse_header(buffer);
if (res == NULL)
{
log_error1("Header parse error");
return herror_new("hresponse_new_from_socket",
GENERAL_HEADER_PARSE_ERROR, "Can not parse response header");
}
/* Chec for Errorcode: 100 (continue) */
if (res->errcode == 100) {
hresponse_free(res);
i=0;
goto read_header;
}
/* Create input stream */
res->in = http_input_stream_new(sock, res->header);
/* Check for MIME message */
if ((res->content_type &&
!strcmp(res->content_type->type, "multipart/related")))
{
status = mime_get_attachments(res->content_type, res->in, &mimeMessage);
if (status != H_OK)
{
/* TODO (#1#): Handle error */
hresponse_free(res);
return status;
}
else
{
res->attachments = mimeMessage;
http_input_stream_free(res->in);
res->in = http_input_stream_new_from_file(mimeMessage->root_part->filename);
if (!res->in) {
/* TODO (#1#): Handle error */
} else {
/*res->in->deleteOnExit = 1;*/
}
}
}
*out = res;
return H_OK;
}
void
hresponse_free(hresponse_t * res)
{
if (res == NULL)
return;
if (res->header)
hpairnode_free_deep(res->header);
if (res->in)
http_input_stream_free(res->in);
if (res->content_type)
content_type_free(res->content_type);
if (res->attachments)
attachments_free(res->attachments);
free(res);
}
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