static apt_bool_t multipart_content_parse(apt_test_suite_t *suite, apt_str_t *body)
{
apt_multipart_content_t *multipart = apt_multipart_content_assign(body,NULL,suite->pool);
if(multipart) {
apt_bool_t is_final;
apt_content_part_t content_part;
while(apt_multipart_content_get(multipart,&content_part,&is_final) == TRUE) {
if(is_final == TRUE) {
break;
}
if(content_part.type && apt_string_is_empty(content_part.type) == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Content Part Type: %.*s",
content_part.type->length,
content_part.type->buf);
}
if(content_part.id && apt_string_is_empty(content_part.id) == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Content Part Id: %.*s",
content_part.id->length,
content_part.id->buf);
}
if(content_part.length && apt_string_is_empty(content_part.length) == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Content Part Length: %.*s\n%.*s",
content_part.length->length,
content_part.length->buf,
content_part.body.length,
content_part.body.buf);
}
}
}
return TRUE;
}
/** Parse header section */
APT_DECLARE(apt_bool_t) apt_header_section_parse(apt_header_section_t *header, apt_text_stream_t *stream, apr_pool_t *pool)
{
apt_header_field_t *header_field;
apt_bool_t result = FALSE;
do {
header_field = apt_header_field_parse(stream,pool);
if(header_field) {
if(apt_string_is_empty(&header_field->name) == FALSE) {
/* normal header */
apt_header_section_field_add(header,header_field);
}
else {
/* empty header => exit */
result = TRUE;
break;
}
}
else {
/* malformed header => skip to the next one */
}
}
while(apt_text_is_eos(stream) == FALSE);
return result;
}
/** Generate name-value pair line */
APT_DECLARE(apt_bool_t) apt_text_name_value_insert(apt_text_stream_t *stream, const apt_str_t *name, const apt_str_t *value)
{
char *pos = stream->pos;
if(pos + name->length + value->length + 2 >= stream->end) {
return FALSE;
}
memcpy(pos,name->buf,name->length);
pos += name->length;
*pos++ = ':';
*pos++ = APT_TOKEN_SP;
if(apt_string_is_empty(value) == FALSE) {
memcpy(pos,value->buf,value->length);
pos += value->length;
}
stream->pos = pos;
return apt_text_eol_insert(stream);
}
/** Add MRCP header field */
MRCP_DECLARE(apt_bool_t) mrcp_header_field_add(mrcp_message_header_t *header, apt_header_field_t *header_field, apr_pool_t *pool)
{
apt_bool_t status = FALSE;
if(apt_string_is_empty(&header_field->name) == FALSE) {
/* normal header */
if(mrcp_header_field_value_parse(&header->resource_header_accessor,header_field,pool) == TRUE) {
header_field->id += GENERIC_HEADER_COUNT;
}
else if(mrcp_header_field_value_parse(&header->generic_header_accessor,header_field,pool) == TRUE) {
status = apt_header_section_field_add(&header->header_section,header_field);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Unknown MRCP header field: %s",header_field->name.buf);
}
status = apt_header_section_field_add(&header->header_section,header_field);
}
return status;
}
/** Get the next content part */
APT_DECLARE(apt_bool_t) apt_multipart_content_get(apt_multipart_content_t *multipart_content, apt_content_part_t *content_part, apt_bool_t *is_final)
{
apt_str_t boundary;
apt_header_field_t *header_field;
apt_text_stream_t *stream = &multipart_content->stream;
if(!content_part || !is_final) {
return FALSE;
}
*is_final = FALSE;
apt_content_part_reset(content_part);
/* skip preamble */
apt_text_skip_to_char(stream,'-');
if(apt_text_is_eos(stream) == TRUE) {
return FALSE;
}
/* skip initial hyphens */
apt_text_chars_skip(stream,'-');
if(apt_text_is_eos(stream) == TRUE) {
return FALSE;
}
/* read line and the boundary */
if(apt_text_line_read(stream,&boundary) == FALSE) {
return FALSE;
}
/* remove optional trailing spaces */
while(boundary.length && boundary.buf[boundary.length-1] == APT_TOKEN_SP) boundary.length--;
/* check whether this is the final boundary */
if(boundary.length >= 2) {
if(boundary.buf[boundary.length-1] == '-' && boundary.buf[boundary.length-2] == '-') {
/* final boundary */
boundary.length -= 2;
*is_final = TRUE;
}
}
/* compare boundaries */
if(apt_string_is_empty(&multipart_content->boundary) == TRUE) {
/* no boundary was specified from user space,
learn boundary from the content */
multipart_content->boundary = boundary;
}
else {
if(apt_string_compare(&multipart_content->boundary,&boundary) == FALSE) {
/* invalid boundary */
return FALSE;
}
}
if(*is_final == TRUE) {
/* final boundary => return TRUE, content remains empty */
return TRUE;
}
/* read header fields */
if(apt_header_section_parse(&content_part->header,stream,multipart_content->pool) == FALSE) {
return FALSE;
}
for(header_field = APR_RING_FIRST(&content_part->header.ring);
header_field != APR_RING_SENTINEL(&content_part->header.ring, apt_header_field_t, link);
header_field = APR_RING_NEXT(header_field, link)) {
if(strncmp(header_field->name.buf,CONTENT_LENGTH_HEADER,header_field->name.length) == 0) {
content_part->length = &header_field->value;
}
else if(strncmp(header_field->name.buf,CONTENT_TYPE_HEADER,header_field->name.length) == 0) {
content_part->type = &header_field->value;
}
else if(strncmp(header_field->name.buf,CONTENT_ID_HEADER,header_field->name.length) == 0) {
content_part->id = &header_field->value;
}
}
if(content_part->length && apt_string_is_empty(content_part->length) == FALSE) {
apr_size_t length = atoi(content_part->length->buf);
if(length + stream->pos > stream->end) {
return FALSE;
}
/* read content */
apt_string_assign_n(&content_part->body,stream->pos,length,multipart_content->pool);
stream->pos += length;
}
return TRUE;
}
/** Get the next content part */
APT_DECLARE(apt_bool_t) apt_multipart_content_get(apt_multipart_content_t *multipart_content, apt_str_t *content_type, apt_str_t *content)
{
apt_str_t boundary;
apt_pair_t header;
apt_bool_t is_final = FALSE;
apt_text_stream_t *stream = &multipart_content->stream;
if(!content || !content_type) {
return FALSE;
}
apt_string_reset(content);
/* skip preamble */
apt_text_skip_to_char(stream,'-');
if(apt_text_is_eos(stream) == TRUE) {
return FALSE;
}
/* skip initial hyphens */
apt_text_chars_skip(stream,'-');
if(apt_text_is_eos(stream) == TRUE) {
return FALSE;
}
/* read line and the boundary */
if(apt_text_line_read(stream,&boundary) == FALSE) {
return FALSE;
}
/* remove optional trailing spaces */
while(boundary.length && boundary.buf[boundary.length-1] == APT_TOKEN_SP) boundary.length--;
/* check whether this is the final boundary */
if(boundary.length >= 2) {
if(boundary.buf[boundary.length-1] == '-' && boundary.buf[boundary.length-2] == '-') {
/* final boundary */
boundary.length -= 2;
is_final = TRUE;
}
}
/* compare boundaries */
if(apt_string_is_empty(&multipart_content->boundary) == TRUE) {
/* no boundary was specified from user space,
learn boundary from the content */
multipart_content->boundary = boundary;
}
else {
if(apt_string_compare(&multipart_content->boundary,&boundary) == FALSE) {
/* invalid boundary */
return FALSE;
}
}
if(is_final == TRUE) {
/* final boundary => return TRUE, content remains empty */
return TRUE;
}
/* read header fields */
do {
if(apt_text_header_read(stream,&header) == TRUE) {
if(header.name.length) {
if(apt_string_compare(&multipart_content->content_type_header,&header.name) == TRUE) {
apt_string_copy(content_type,&header.value,multipart_content->pool);
}
else if(apt_string_compare(&multipart_content->content_length_header,&header.name) == TRUE) {
if(header.value.buf) {
content->length = atol(header.value.buf);
if(content->length) {
content->buf = apr_palloc(multipart_content->pool,content->length+1);
content->buf[content->length] = '\0';
}
}
}
}
else {
/* empty header => exit */
break;
}
}
}
while(apt_text_is_eos(stream) == FALSE);
if(!content->length || content->length + stream->pos > stream->end) {
return FALSE;
}
/* read content */
memcpy(content->buf,stream->pos,content->length);
stream->pos += content->length;
return TRUE;
}
