static int translate_thumb(request_rec *r)
{
int res = ap_core_translate(r);
if (res != OK || !r->filename) {
return res;
}
char *thumb_uri;
char *size;
apr_finfo_t finfo;
if (parse_request_uri(r, &thumb_uri, &size) != APR_SUCCESS) {
return DECLINED;
}
char *path = uri2thumbpath(r, thumb_uri, size);
if (apr_stat(&finfo, path, APR_FINFO_INODE, r->pool) != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"Thumbnail does not exist: %s", path);
path = no_image_path(r, size);
r->filename = path;
r->status = HTTP_NOT_FOUND;
}
else {
r->filename = path;
}
return OK;
}
// Request-Line = Method SP Request-URI SP HTTP-Version CRLF
const char* parse_request_line(unsigned char** p)
{
if (parse_method(p))
return ERR;
if (parse_space(p))
return ERR;
if (parse_request_uri(p))
return ERR;
if (parse_space(p))
return ERR;
if (parse_http_version(p))
return ERR;
return parse_crlf(p);
}
/**
* Parses the client request. The request is parsed to properly consume
* the request data, identifying GET and HEAD HTTP methods. Most of the
* data read is actually discarded, in the current implementation.
*/
void parse_request(struct parser *p) {
int r;
if(!read_socket(p))
return;
switch (p->state) {
case PARSING_START:
p->mark = 0;
p->state = PARSING_METHOD;
debug("parse started");
case PARSING_METHOD:
r = parse_request_method(p);
if (r != PARSING_DONE)
break;
p->state = PARSING_URI;
debug("parsed method: %d", p->request.method);
case PARSING_URI:
r = parse_request_uri(p);
if (r != PARSING_DONE)
break;
p->state = PARSING_VERSION;
debug("parsed uri");
case PARSING_VERSION:
r = parse_http_version(p);
if (r != PARSING_DONE)
break;
p->state = PARSING_HEADERS;
debug("parsed http version");
case PARSING_HEADERS:
case PARSING_HEADER_NAME:
case PARSING_HEADER_NAME_ANY:
case PARSING_HEADER_VALUE:
case PARSING_HEADER_CONTENT_LENGTH:
r = parse_headers(p);
if (r != PARSING_DONE)
break;
p->state = PARSING_BODY;
debug("parsed headers");
debug("content-length: %ld", p->request.content_length);
case PARSING_BODY:
r = parse_body(p);
if (r != PARSING_DONE)
break;
p->state = PARSING_DONE;
debug("parsed body");
return;
default:
debug("illegal parser state: %d", p->state);
p->state = PARSING_ERROR;
p->error = E_PARSE;
return;
}
if (r == PARSING_ERROR) {
p->state = PARSING_ERROR;
if (p->error == E_NONE)
p->error = E_PARSE;
}
return;
}
