*/
#include "includes.h"
-#include <Python.h>
+#include "web_server/web_server.h"
+#include "../lib/util/dlinklist.h"
+#include "../lib/util/data_blob.h"
+#include "lib/tls/tls.h"
+#include "../lib/util/python_util.h"
-static PyObject *start_response(PyObject *args, PyObject *kwargs)
+typedef struct {
+ PyObject_HEAD
+ struct websrv_context *web;
+} web_request_Object;
+
+static PyObject *start_response(PyObject *self, PyObject *args, PyObject *kwargs)
{
- PyObject *response_header, *exc_info;
+ PyObject *response_header, *exc_info = NULL;
char *status;
+ int i;
const char *kwnames[] = {
"status", "response_header", "exc_info", NULL
};
+ web_request_Object *py_web = (web_request_Object *)self;
+ struct websrv_context *web = py_web->web;
+ struct http_header *headers = NULL;
- if (!PyArg_ParseTupleAndKeywords(args, kwargs, (char *)"sOO:start_response", (char **)kwnames, &status, &response_header, &exc_info)) {
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|O:start_response", discard_const_p(char *, kwnames), &status, &response_header, &exc_info)) {
return NULL;
}
- /* FIXME: response_header, exc_info */
+ /* FIXME: exc_info */
- /* FIXME: Wrap stdout */
- return NULL;
+ if (!PyList_Check(response_header)) {
+ PyErr_SetString(PyExc_TypeError, "response_header should be list");
+ return NULL;
+ }
+
+ for (i = 0; i < PyList_Size(response_header); i++) {
+ struct http_header *hdr = talloc_zero(web, struct http_header);
+ PyObject *item = PyList_GetItem(response_header, i);
+ PyObject *py_name, *py_value;
+
+ if (!PyTuple_Check(item)) {
+ PyErr_SetString(PyExc_TypeError, "Expected tuple");
+ return NULL;
+ }
+
+ if (PyTuple_Size(item) != 2) {
+ PyErr_SetString(PyExc_TypeError, "header tuple has invalid size, expected 2");
+ return NULL;
+ }
+
+ py_name = PyTuple_GetItem(item, 0);
+
+ if (!PyString_Check(py_name)) {
+ PyErr_SetString(PyExc_TypeError, "header name should be string");
+ return NULL;
+ }
+
+ py_value = PyTuple_GetItem(item, 1);
+ if (!PyString_Check(py_value)) {
+ PyErr_SetString(PyExc_TypeError, "header value should be string");
+ return NULL;
+ }
+
+ hdr->name = talloc_strdup(hdr, PyString_AsString(py_name));
+ hdr->value = talloc_strdup(hdr, PyString_AsString(py_value));
+ DLIST_ADD(headers, hdr);
+ }
+
+ websrv_output_headers(web, status, headers);
+
+ Py_RETURN_NONE;
}
-/*
- * read(size) input 1
- * readline() input 1,2
- * readlines(hint) input 1,3
- * __iter__() input
- * flush() errors 4
- * write(str) errors
- * writelines(seq) errors
- */
-
-static PyObject *Py_InputHttpStream(void *foo)
+static PyMethodDef web_request_methods[] = {
+ { "start_response", (PyCFunction)start_response, METH_VARARGS|METH_KEYWORDS, NULL },
+ { NULL }
+};
+
+
+PyTypeObject web_request_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "wsgi.Request",
+ .tp_methods = web_request_methods,
+ .tp_basicsize = sizeof(web_request_Object),
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+};
+
+typedef struct {
+ PyObject_HEAD
+} error_Stream_Object;
+
+static PyObject *py_error_flush(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ /* Nothing to do here */
+ Py_RETURN_NONE;
+}
+
+static PyObject *py_error_write(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ const char *kwnames[] = { "str", NULL };
+ char *str = NULL;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:write", discard_const_p(char *, kwnames), &str)) {
+ return NULL;
+ }
+
+ DEBUG(0, ("WSGI App: %s", str));
+
+ Py_RETURN_NONE;
+}
+
+static PyObject *py_error_writelines(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+ const char *kwnames[] = { "seq", NULL };
+ PyObject *seq = NULL, *item;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O:writelines", discard_const_p(char *, kwnames), &seq)) {
+ return NULL;
+ }
+
+ while ((item = PyIter_Next(seq))) {
+ char *str = PyString_AsString(item);
+
+ DEBUG(0, ("WSGI App: %s", str));
+ }
+
+ Py_RETURN_NONE;
+}
+
+static PyMethodDef error_Stream_methods[] = {
+ { "flush", (PyCFunction)py_error_flush, METH_VARARGS|METH_KEYWORDS, NULL },
+ { "write", (PyCFunction)py_error_write, METH_VARARGS|METH_KEYWORDS, NULL },
+ { "writelines", (PyCFunction)py_error_writelines, METH_VARARGS|METH_KEYWORDS, NULL },
+ { NULL, NULL, 0, NULL }
+};
+
+PyTypeObject error_Stream_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "wsgi.ErrorStream",
+ .tp_basicsize = sizeof(error_Stream_Object),
+ .tp_methods = error_Stream_methods,
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+};
+
+typedef struct {
+ PyObject_HEAD
+ struct websrv_context *web;
+ size_t offset;
+} input_Stream_Object;
+
+static PyObject *py_input_read(PyObject *_self, PyObject *args, PyObject *kwargs)
+{
+ const char *kwnames[] = { "size", NULL };
+ PyObject *ret;
+ input_Stream_Object *self = (input_Stream_Object *)_self;
+ int size = -1;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", discard_const_p(char *, kwnames), &size))
+ return NULL;
+
+ /* Don't read beyond buffer boundaries */
+ if (size == -1)
+ size = self->web->input.partial.length-self->offset;
+ else
+ size = MIN(size, self->web->input.partial.length-self->offset);
+
+ ret = PyString_FromStringAndSize((char *)self->web->input.partial.data+self->offset, size);
+ self->offset += size;
+
+ return ret;
+}
+
+static PyObject *py_input_readline(PyObject *_self)
{
/* FIXME */
+ PyErr_SetString(PyExc_NotImplementedError,
+ "readline() not yet implemented");
return NULL;
}
-static PyObject *Py_ErrorHttpStream(void)
+static PyObject *py_input_readlines(PyObject *_self, PyObject *args, PyObject *kwargs)
{
+ const char *kwnames[] = { "hint", NULL };
+ int hint;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", discard_const_p(char *, kwnames), &hint))
+ return NULL;
+
/* FIXME */
+ PyErr_SetString(PyExc_NotImplementedError,
+ "readlines() not yet implemented");
return NULL;
}
-static PyObject *create_environ(void)
+static PyObject *py_input___iter__(PyObject *_self)
{
- PyObject *env, *osmodule, *osenviron;
- PyObject *inputstream, *errorstream;
+ /* FIXME */
+ PyErr_SetString(PyExc_NotImplementedError,
+ "__iter__() not yet implemented");
+ return NULL;
+}
- osmodule = PyImport_ImportModule("os");
- if (osmodule == NULL)
- return NULL;
+static PyMethodDef input_Stream_methods[] = {
+ { "read", (PyCFunction)py_input_read, METH_VARARGS|METH_KEYWORDS, NULL },
+ { "readline", (PyCFunction)py_input_readline, METH_NOARGS, NULL },
+ { "readlines", (PyCFunction)py_input_readlines, METH_VARARGS|METH_KEYWORDS, NULL },
+ { "__iter__", (PyCFunction)py_input___iter__, METH_NOARGS, NULL },
+ { NULL, NULL, 0, NULL }
+};
- osenviron = PyObject_CallMethod(osmodule, "environ", NULL);
+PyTypeObject input_Stream_Type = {
+ PyObject_HEAD_INIT(NULL) 0,
+ .tp_name = "wsgi.InputStream",
+ .tp_basicsize = sizeof(input_Stream_Object),
+ .tp_methods = input_Stream_methods,
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+};
- env = PyDict_Copy(osenviron);
+static PyObject *Py_InputHttpStream(struct websrv_context *web)
+{
+ input_Stream_Object *ret = PyObject_New(input_Stream_Object, &input_Stream_Type);
+ ret->web = web;
+ ret->offset = 0;
+ return (PyObject *)ret;
+}
- Py_DECREF(env);
+static PyObject *Py_ErrorHttpStream(void)
+{
+ error_Stream_Object *ret = PyObject_New(error_Stream_Object, &error_Stream_Type);
+ return (PyObject *)ret;
+}
- inputstream = Py_InputHttpStream(NULL); /* FIXME */
- if (inputstream == NULL) {
- Py_DECREF(env);
+static PyObject *create_environ(bool tls, int content_length, struct http_header *headers, const char *request_method, const char *servername, int serverport, PyObject *inputstream, const char *request_string)
+{
+ PyObject *env;
+ PyObject *errorstream;
+ PyObject *py_scheme;
+ struct http_header *hdr;
+ char *questionmark;
+
+ env = PyDict_New();
+ if (env == NULL) {
return NULL;
}
PyDict_SetItemString(env, "wsgi.multithread", Py_False);
PyDict_SetItemString(env, "wsgi.multiprocess", Py_True);
PyDict_SetItemString(env, "wsgi.run_once", Py_False);
+ PyDict_SetItemString(env, "SERVER_PROTOCOL", PyString_FromString("HTTP/1.0"));
+ if (content_length > 0) {
+ PyDict_SetItemString(env, "CONTENT_LENGTH", PyLong_FromLong(content_length));
+ }
+ PyDict_SetItemString(env, "REQUEST_METHOD", PyString_FromString(request_method));
- /* FIXME:
- PyDict_SetItemString(env, "wsgi.url_scheme", "http");
- PyDict_SetItemString(env, "wsgi.url_scheme", "https");
- */
+ questionmark = strchr(request_string, '?');
+ if (questionmark == NULL) {
+ PyDict_SetItemString(env, "SCRIPT_NAME", PyString_FromString(request_string));
+ } else {
+ PyDict_SetItemString(env, "QUERY_STRING", PyString_FromString(questionmark+1));
+ PyDict_SetItemString(env, "SCRIPT_NAME", PyString_FromStringAndSize(request_string, questionmark-request_string));
+ }
+
+ PyDict_SetItemString(env, "SERVER_NAME", PyString_FromString(servername));
+ PyDict_SetItemString(env, "SERVER_PORT", PyInt_FromLong(serverport));
+ for (hdr = headers; hdr; hdr = hdr->next) {
+ char *name;
+ if (!strcasecmp(hdr->name, "Content-Type")) {
+ PyDict_SetItemString(env, "CONTENT_TYPE", PyString_FromString(hdr->value));
+ } else {
+ asprintf(&name, "HTTP_%s", hdr->name);
+ PyDict_SetItemString(env, name, PyString_FromString(hdr->value));
+ free(name);
+ }
+ }
+
+ if (tls) {
+ py_scheme = PyString_FromString("https");
+ } else {
+ py_scheme = PyString_FromString("http");
+ }
+ PyDict_SetItemString(env, "wsgi.url_scheme", py_scheme);
return env;
}
+
+static void wsgi_process_http_input(struct web_server_data *wdata,
+ struct websrv_context *web)
+{
+ PyObject *py_environ, *result, *item, *iter;
+ PyObject *request_handler = wdata->private;
+ struct socket_address *socket_address;
+
+ web_request_Object *py_web = PyObject_New(web_request_Object, &web_request_Type);
+ py_web->web = web;
+
+ socket_address = socket_get_my_addr(web->conn->socket, web);
+ py_environ = create_environ(tls_enabled(web->conn->socket),
+ web->input.content_length,
+ web->input.headers,
+ web->input.post_request?"POST":"GET",
+ socket_address->addr,
+ socket_address->port,
+ Py_InputHttpStream(web),
+ web->input.url
+ );
+ if (py_environ == NULL) {
+ DEBUG(0, ("Unable to create WSGI environment object\n"));
+ return;
+ }
+
+ result = PyObject_CallMethod(request_handler, discard_const_p(char, "__call__"), discard_const_p(char, "OO"),
+ py_environ, PyObject_GetAttrString((PyObject *)py_web, "start_response"));
+
+ if (result == NULL) {
+ DEBUG(0, ("error while running WSGI code\n"));
+ return;
+ }
+
+ iter = PyObject_GetIter(result);
+ Py_DECREF(result);
+
+ /* Now, iter over all the data returned */
+
+ while ((item = PyIter_Next(iter))) {
+ websrv_output(web, PyString_AsString(item), PyString_Size(item));
+ Py_DECREF(item);
+ }
+
+ Py_DECREF(iter);
+}
+
+bool wsgi_initialize(struct web_server_data *wdata)
+{
+ PyObject *py_swat;
+
+ Py_Initialize();
+
+ if (PyType_Ready(&web_request_Type) < 0)
+ return false;
+
+ if (PyType_Ready(&input_Stream_Type) < 0)
+ return false;
+
+ if (PyType_Ready(&error_Stream_Type) < 0)
+ return false;
+
+ wdata->http_process_input = wsgi_process_http_input;
+ py_swat = PyImport_Import(PyString_FromString("swat"));
+ if (py_swat == NULL) {
+ DEBUG(0, ("Unable to find SWAT\n"));
+ return false;
+ }
+ wdata->private = py_swat;
+ return true;
+}
git.samba.org / tprouty / samba.git / blobdiff