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/* ------------------------------------------------------------------------- */
/*
* Copyright 2007-2022 GRAHAM DUMPLETON
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* ------------------------------------------------------------------------- */
#include "wsgi_convert.h"
#include "wsgi_validate.h"
/* ------------------------------------------------------------------------- */
PyObject *wsgi_convert_string_to_bytes(PyObject *value)
{
PyObject *result = NULL;
#if PY_MAJOR_VERSION >= 3
if (!PyUnicode_Check(value)) {
PyErr_Format(PyExc_TypeError, "expected unicode object, value "
"of type %.200s found", value->ob_type->tp_name);
return NULL;
}
result = PyUnicode_AsLatin1String(value);
if (!result) {
PyErr_SetString(PyExc_ValueError, "unicode object contains non "
"latin-1 characters");
return NULL;
}
#else
if (!PyBytes_Check(value)) {
PyErr_Format(PyExc_TypeError, "expected byte string object, "
"value of type %.200s found", value->ob_type->tp_name);
return NULL;
}
Py_INCREF(value);
result = value;
#endif
return result;
}
/* ------------------------------------------------------------------------- */
PyObject *wsgi_convert_status_line_to_bytes(PyObject *status_line)
{
PyObject *result = NULL;
result = wsgi_convert_string_to_bytes(status_line);
if (!result)
return NULL;
if (!wsgi_validate_status_line(result)) {
Py_DECREF(result);
return NULL;
}
return result;
}
/* ------------------------------------------------------------------------- */
PyObject *wsgi_convert_headers_to_bytes(PyObject *headers)
{
PyObject *result = NULL;
int i;
long size;
if (!PyList_Check(headers)) {
PyErr_Format(PyExc_TypeError, "expected list object for headers, "
"value of type %.200s found", headers->ob_type->tp_name);
return 0;
}
size = PyList_Size(headers);
result = PyList_New(size);
for (i = 0; i < size; i++) {
PyObject *header = NULL;
PyObject *header_name = NULL;
PyObject *header_value = NULL;
PyObject *header_name_as_bytes = NULL;
PyObject *header_value_as_bytes = NULL;
PyObject *result_tuple = NULL;
header = PyList_GetItem(headers, i);
if (!PyTuple_Check(header)) {
PyErr_Format(PyExc_TypeError, "list of tuple values "
"expected for headers, value of type %.200s found",
header->ob_type->tp_name);
Py_DECREF(result);
return 0;
}
if (PyTuple_Size(header) != 2) {
PyErr_Format(PyExc_ValueError, "tuple of length 2 "
"expected for header, length is %d",
(int)PyTuple_Size(header));
Py_DECREF(result);
return 0;
}
result_tuple = PyTuple_New(2);
PyList_SET_ITEM(result, i, result_tuple);
header_name = PyTuple_GetItem(header, 0);
header_value = PyTuple_GetItem(header, 1);
header_name_as_bytes = wsgi_convert_string_to_bytes(header_name);
if (!header_name_as_bytes)
goto failure;
PyTuple_SET_ITEM(result_tuple, 0, header_name_as_bytes);
if (!wsgi_validate_header_name(header_name_as_bytes))
goto failure;
header_value_as_bytes = wsgi_convert_string_to_bytes(header_value);
if (!header_value_as_bytes)
goto failure;
PyTuple_SET_ITEM(result_tuple, 1, header_value_as_bytes);
if (!wsgi_validate_header_value(header_value_as_bytes))
goto failure;
}
return result;
failure:
Py_DECREF(result);
return NULL;
}
/* ------------------------------------------------------------------------- */
/* vi: set sw=4 expandtab : */
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