static nxweb_result delete_batch_on_request(
nxweb_http_server_connection* conn,
nxweb_http_request* req,
nxweb_http_response* resp)
{
nxweb_set_response_content_type(resp, "text/plain");
nxweb_parse_request_parameters( req, 0 );
const char *name_space = nx_simple_map_get_nocase( req->parameters, "namespace" );
const char *fname_raw = nx_simple_map_get_nocase( req->parameters, "names" );
if (!fname_raw) {
nxweb_response_printf(resp, "url error\nexample: http://127.0.0.1:8055/deletefiles?names=f1[:f2][&namespace=np]\n");
return NXWEB_ERROR;
}
KCSTR kc_fnames[400] = {0};
char fnames_with_space[400][1024] = {0};
char *pC = (char *)fname_raw;
int fname_cnt = 0;
int fname_len = 0;
do{
char *pT = strstr( pC, ":" );
if (pT){ fname_len = pT - pC; pT++; }
else { fname_len = strlen( pC ); }
if (fname_len == 0){pC = pT; continue;}
if (name_space) {strcpy(fnames_with_space[fname_cnt], name_space);}
strcat(fnames_with_space[fname_cnt], ":/" );
strncat(fnames_with_space[fname_cnt], pC, fname_len);
kc_fnames[fname_cnt].buf = (char *)(fnames_with_space + fname_cnt);
kc_fnames[fname_cnt].size = strlen(fnames_with_space[fname_cnt]);
pC = pT;
fname_cnt++;
} while(pC);
int i=0;
for(; i<fname_cnt; ++i) {
char pBuf[1024] = {0};
memcpy( pBuf, kc_fnames[i].buf, kc_fnames[i].size );
}
kcdbremovebulk( g_kcdb, kc_fnames, fname_cnt, 0 );
nxweb_response_printf( resp, "OK\n" );
}
/////////////// status /////////////////////
static nxweb_result status_on_request(nxweb_http_server_connection* conn, nxweb_http_request* req, nxweb_http_response* resp)
{
nxweb_set_response_content_type(resp, "text/plain");
char *status = kcdbstatus( g_kcdb );
size_t len = 2*strlen(status);
char *buf = malloc(len);
memset(buf, 0, len);
int i=0, j=0;
for (i=0; i<strlen(status); i++) {
if (status[i] == '\t') { strcat(buf, ": "); j+=2; }
else { buf[j] = status[i]; j++; }
}
nxweb_response_printf( resp, "%s\n", buf );
kcfree( status );
status = NULL;
free(buf);
return NXWEB_OK;
}
static nxweb_result delete_on_request(
nxweb_http_server_connection* conn,
nxweb_http_request* req,
nxweb_http_response* resp)
{
nxweb_set_response_content_type(resp, "text/plain");
nxweb_parse_request_parameters(req, 0);
const char *name_space = nx_simple_map_get_nocase(req->parameters, "namespace");
char * url = malloc(strlen(req->path_info)+1);
if (!url) {
nxweb_send_http_error(resp, 500, "Please retry");
resp->keep_alive=0;
return NXWEB_ERROR;
}
strcpy(url, req->path_info);
url[strlen(req->path_info)] = '\0';
nxweb_url_decode(url, 0);
char *fname = url, *temp;
while (temp = strstr(fname, "/")) {fname = temp + 1;}
char *strip_args = strstr(fname, "?");
int fname_len = strip_args?strip_args-fname:strlen(fname);
char fname_with_space[1024]= {0};
if (strlen(url) > sizeof(fname_with_space)-1) {
nxweb_send_http_error(resp, 414, "Request URI Too Long");
resp->keep_alive=0;
free(url);
return NXWEB_MISS;
}
if (name_space) {sprintf( fname_with_space, "%s:/", name_space);}
else {strcpy(fname_with_space, ":/");}
strncat(fname_with_space, fname, fname_len);
kcdbremove(g_kcdb, fname_with_space, strlen( fname_with_space));
nxweb_response_printf(resp, "OK\n");
free(url);
return NXWEB_OK;
}
static nxweb_result list_on_request(nxweb_http_server_connection* conn, nxweb_http_request* req, nxweb_http_response* resp)
{
nxweb_set_response_content_type(resp, "text/plain");
const char *name_space = nx_simple_map_get_nocase( req->parameters, "namespace" );
const char *prefix = nx_simple_map_get_nocase( req->parameters, "prefix" );
char kc_prefix[1024] = {0};
if( name_space ){
strncpy( kc_prefix, name_space, sizeof( kc_prefix )-3 );
strcat( kc_prefix, ":/" );
if (prefix){ strncat(kc_prefix, prefix, sizeof(kc_prefix)-strlen(kc_prefix)-1); }
}
printf("list prefix:%s\n", kc_prefix );
char *fnames[MAX_COUNT_PER_LIST] = {0};
int cnt = kcdbmatchprefix (g_kcdb, kc_prefix, fnames, MAX_COUNT_PER_LIST );
int i = 0;
while( i< cnt ){
nxweb_response_printf( resp, "%s\n", fnames[i] );
kcfree( fnames[i] );
fnames[i] = NULL;
i++;
}
return NXWEB_OK;
}
/////////////// clean //////////////////////
static nxweb_result clean_on_request(
nxweb_http_server_connection* conn,
nxweb_http_request* req,
nxweb_http_response* resp)
{
if (strlen(req->path_info) <= 1 || strlen(req->path_info) >= 4 ) {
nxweb_send_http_error(resp, 403, "NUMBER error!\nExample:\nhttp://host:port/clean/24");
resp->keep_alive=0;
return NXWEB_ERROR;
}
char tmp[8] = {0};
strcpy(tmp, (req->path_info) +1);
int interval_hour = atoi(tmp);
if (interval_hour < 0 || interval_hour > 99) {
nxweb_send_http_error(resp, 403, "NUMBER error!\nExample:\nhttp://host:port/clean/24");
resp->keep_alive=0;
return NXWEB_ERROR;
}
WipeData(interval_hour);
nxweb_response_printf(resp, "OK");
return NXWEB_OK;
}
static nxweb_result python_on_request(nxweb_http_server_connection* conn, nxweb_http_request* req, nxweb_http_response* resp) {
nxb_buffer* nxb=req->nxb;
nxweb_handler* handler=conn->handler;
const char* request_uri=req->uri;
char* query_string=strchr(request_uri, '?');
int ulen=query_string? (query_string-request_uri) : strlen(request_uri);
if (query_string) query_string++;
int pfxlen=req->path_info? (req->path_info - req->uri) : 0;
int plen=ulen-pfxlen;
const char* path_info=request_uri+pfxlen;
if (handler->uri && *handler->uri) {
pfxlen=strlen(handler->uri);
ulen=pfxlen+plen;
char* u=nxb_alloc_obj(nxb, ulen+1);
memcpy(u, handler->uri, pfxlen);
memcpy(u+pfxlen, path_info, plen);
u[ulen]='\0';
request_uri=u;
path_info=request_uri+pfxlen;
}
const char* host_port=req->host? strchr(req->host, ':') : 0;
int content_fd=0;
if (req->content_length) {
nxd_fwbuffer* fwb=nxweb_get_request_data(req, PYTHON_HANDLER_KEY).ptr;
if (fwb) {
if (fwb->error || fwb->size > fwb->max_size) {
nxweb_send_http_error(resp, 413, "Request Entity Too Large"); // most likely cause
return NXWEB_ERROR;
}
else if (req->content_received!=fwb->size) {
nxweb_log_error("content_received does not match upload stored size for %s", req->uri);
nxweb_send_http_error(resp, 500, "Internal Server Error");
return NXWEB_ERROR;
}
else {
content_fd=fwb->fd;
if (lseek(content_fd, 0, SEEK_SET)==-1) {
nxweb_log_error("can't lseek() temp upload file for %s", req->uri);
nxweb_send_http_error(resp, 500, "Internal Server Error");
return NXWEB_ERROR;
}
}
}
}
nxweb_log_debug("invoke python");
PyGILState_STATE gstate=PyGILState_Ensure();
PyObject* py_func_args=PyTuple_New(1);
PyObject* py_environ=PyDict_New();
assert(PyDict_Check(py_environ));
dict_set(py_environ, "SERVER_NAME", PyString_FromStringAndSize(req->host, host_port? (host_port-req->host) : strlen(req->host)));
dict_set(py_environ, "SERVER_PORT", PyString_FromString(host_port? host_port+1 : ""));
dict_set(py_environ, "SERVER_PROTOCOL", PyString_FromString(req->http11? "HTTP/1.1" : "HTTP/1.0"));
dict_set(py_environ, "SERVER_SOFTWARE", PyString_FromString(PACKAGE_STRING));
dict_set(py_environ, "GATEWAY_INTERFACE", PyString_FromString("CGI/1.1"));
dict_set(py_environ, "REQUEST_METHOD", PyString_FromString(req->method));
dict_set(py_environ, "REQUEST_URI", PyString_FromStringAndSize(request_uri, ulen));
dict_set(py_environ, "SCRIPT_NAME", PyString_FromStringAndSize(request_uri, pfxlen));
dict_set(py_environ, "PATH_INFO", PyString_FromStringAndSize(path_info, plen));
dict_set(py_environ, "QUERY_STRING", PyString_FromString(query_string? query_string : ""));
dict_set(py_environ, "REMOTE_ADDR", PyString_FromString(conn->remote_addr));
dict_set(py_environ, "CONTENT_TYPE", PyString_FromString(req->content_type? req->content_type : ""));
dict_set(py_environ, "CONTENT_LENGTH", PyInt_FromLong(req->content_received));
if (req->cookie) dict_set(py_environ, "HTTP_COOKIE", PyString_FromString(req->cookie));
if (req->host) dict_set(py_environ, "HTTP_HOST", PyString_FromString(req->host));
if (req->user_agent) dict_set(py_environ, "HTTP_USER_AGENT", PyString_FromString(req->user_agent));
if (req->if_modified_since) {
struct tm tm;
gmtime_r(&req->if_modified_since, &tm);
char ims[32];
nxweb_format_http_time(ims, &tm);
dict_set(py_environ, "HTTP_IF_MODIFIED_SINCE", PyString_FromString(ims));
}
if (req->headers) {
// write added headers
// encode http headers into CGI variables; see 4.1.18 in https://tools.ietf.org/html/rfc3875
char hname[256];
memcpy(hname, "HTTP_", 5);
char* h=hname+5;
nx_simple_map_entry* itr;
for (itr=nx_simple_map_itr_begin(req->headers); itr; itr=nx_simple_map_itr_next(itr)) {
nx_strtoupper(h, itr->name);
char* p;
for (p=h; *p; p++) {
if (*p=='-') *p='_';
}
dict_set(py_environ, hname, PyString_FromString(itr->value));
}
}
dict_set(py_environ, "wsgi.url_scheme", PyString_FromString(conn->secure? "https" : "http"));
if (req->content_length) {
if (content_fd) {
dict_set(py_environ, "nxweb.req.content_fd", PyInt_FromLong(content_fd));
}
else {
dict_set(py_environ, "nxweb.req.content", PyByteArray_FromStringAndSize(req->content? req->content : "", req->content_received));
}
}
if (req->if_modified_since) dict_set(py_environ, "nxweb.req.if_modified_since", PyLong_FromLong(req->if_modified_since));
dict_set(py_environ, "nxweb.req.uid", PyLong_FromLongLong(req->uid));
if (req->parent_req) {
nxweb_http_request* preq=req->parent_req;
while (preq->parent_req) preq=preq->parent_req; // find root request
if (preq->uid) {
dict_set(py_environ, "nxweb.req.root_uid", PyLong_FromLongLong(preq->uid));
}
}
// call python
PyTuple_SetItem(py_func_args, 0, py_environ);
PyObject* py_result=PyObject_CallObject(py_nxweb_on_request_func, py_func_args);
Py_DECREF(py_func_args);
if (py_result && PyTuple_Check(py_result) && PyTuple_Size(py_result)==3) {
PyObject* py_status=PyTuple_GET_ITEM(py_result, 0);
PyObject* py_headers=PyTuple_GET_ITEM(py_result, 1);
PyObject* py_body=PyTuple_GET_ITEM(py_result, 2);
if (py_status && PyString_Check(py_status)) {
const char* status_string=PyString_AS_STRING(py_status);
int status_code=0;
const char* p=status_string;
while (*p && *p>='0' && *p<='9') {
status_code=status_code*10+(*p-'0');
p++;
}
while (*p && *p==' ') p++;
if (status_code>=200 && status_code<600 && *p) {
resp->status_code=status_code;
resp->status=nxb_copy_str(nxb, p);
}
}
if (py_headers && PyList_Check(py_headers)) {
const int size=PyList_Size(py_headers);
int i;
for (i=0; i<size; i++) {
PyObject* py_header_tuple=PyList_GET_ITEM(py_headers, i);
if (py_header_tuple && PyTuple_Check(py_header_tuple) && PyTuple_Size(py_header_tuple)==2) {
PyObject* py_name=PyTuple_GET_ITEM(py_header_tuple, 0);
PyObject* py_value=PyTuple_GET_ITEM(py_header_tuple, 1);
if (py_name && PyString_Check(py_name) && py_value && PyString_Check(py_value)) {
nxweb_add_response_header_safe(resp, PyString_AS_STRING(py_name), PyString_AS_STRING(py_value));
}
}
}
}
if ((!resp->status_code || resp->status_code==200) && !resp->content_type) resp->content_type="text/html";
char* rcontent=0;
nxe_ssize_t rsize=0;
if (PyByteArray_Check(py_body)) {
rcontent=PyByteArray_AS_STRING(py_body);
rsize=PyByteArray_Size(py_body);
}
else if (PyString_Check(py_body)) {
rcontent=PyString_AS_STRING(py_body);
rsize=PyString_Size(py_body);
}
if (rcontent && rsize>0) nxweb_response_append_data(resp, rcontent, rsize);
}
else if (py_result && PyString_Check(py_result)) {
resp->status_code=500;
resp->status="Internal Server Error";
resp->content_type="text/html";
nxweb_log_error("python call failed: %s", PyString_AS_STRING(py_result));
nxweb_response_printf(resp, "python call failed: %H", PyString_AS_STRING(py_result));
}
else {
PyErr_Print();
nxweb_log_error("python call failed");
nxweb_response_printf(resp, "python call failed");
}
Py_XDECREF(py_result);
// Release the thread. No Python API allowed beyond this point.
PyGILState_Release(gstate);
nxweb_log_debug("invoke python complete");
return NXWEB_OK;
}