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pypff_message.c
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pypff_message.c
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/*
* Python object definition of the message type libpff item
*
* Copyright (C) 2008-2016, Joachim Metz <[email protected]>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <types.h>
#if defined( HAVE_STDLIB_H ) || defined( HAVE_WINAPI )
#include <stdlib.h>
#endif
#include "pypff_datetime.h"
#include "pypff_error.h"
#include "pypff_integer.h"
#include "pypff_item.h"
#include "pypff_items.h"
#include "pypff_libcerror.h"
#include "pypff_libpff.h"
#include "pypff_message.h"
#include "pypff_python.h"
#include "pypff_unused.h"
PyMethodDef pypff_message_object_methods[] = {
/* Functions to access the message values */
{ "get_subject",
(PyCFunction) pypff_message_get_subject,
METH_NOARGS,
"get_subject() -> Unicode string or None\n"
"\n"
"Retrieves the subject." },
{ "get_conversation_topic",
(PyCFunction) pypff_message_get_conversation_topic,
METH_NOARGS,
"get_conversation_topic() -> Unicode string or None\n"
"\n"
"Retrieves the conversation topic." },
{ "get_sender_name",
(PyCFunction) pypff_message_get_sender_name,
METH_NOARGS,
"get_sender_name() -> Unicode string or None\n"
"\n"
"Retrieves the sender name." },
{ "get_client_submit_time",
(PyCFunction) pypff_message_get_client_submit_time,
METH_NOARGS,
"get_client_submit_time() -> Datetime\n"
"\n"
"Returns the client submit date and time." },
{ "get_client_submit_time_as_integer",
(PyCFunction) pypff_message_get_client_submit_time_as_integer,
METH_NOARGS,
"get_client_submit_time_as_integer() -> Integer\n"
"\n"
"Returns the client submit date and time as a 64-bit integer containing a FILETIME value." },
{ "get_delivery_time",
(PyCFunction) pypff_message_get_delivery_time,
METH_NOARGS,
"get_delivery_time() -> Datetime\n"
"\n"
"Returns the delivery date and time." },
{ "get_delivery_time_as_integer",
(PyCFunction) pypff_message_get_delivery_time_as_integer,
METH_NOARGS,
"get_delivery_time_as_integer() -> Integer\n"
"\n"
"Returns the delivery date and time as a 64-bit integer containing a FILETIME value." },
{ "get_creation_time",
(PyCFunction) pypff_message_get_creation_time,
METH_NOARGS,
"get_creation_time() -> Datetime\n"
"\n"
"Returns the creation date and time." },
{ "get_creation_time_as_integer",
(PyCFunction) pypff_message_get_creation_time_as_integer,
METH_NOARGS,
"get_creation_time_as_integer() -> Integer\n"
"\n"
"Returns the creation date and time as a 64-bit integer containing a FILETIME value." },
{ "get_modification_time",
(PyCFunction) pypff_message_get_modification_time,
METH_NOARGS,
"get_modification_time() -> Datetime\n"
"\n"
"Returns the modification date and time." },
{ "get_modification_time_as_integer",
(PyCFunction) pypff_message_get_modification_time_as_integer,
METH_NOARGS,
"get_modification_time_as_integer() -> Integer\n"
"\n"
"Returns the modification date and time as a 64-bit integer containing a FILETIME value." },
{ "get_transport_headers",
(PyCFunction) pypff_message_get_transport_headers,
METH_NOARGS,
"get_transport_headers() -> String or None\n"
"\n"
"Retrieves the transport headers." },
{ "get_plain_text_body",
(PyCFunction) pypff_message_get_plain_text_body,
METH_NOARGS,
"get_plain_text_body() -> String or None\n"
"\n"
"Retrieves the plain-text body." },
{ "get_rtf_body",
(PyCFunction) pypff_message_get_rtf_body,
METH_NOARGS,
"get_rtf_body() -> String or None\n"
"\n"
"Retrieves the RTF body." },
{ "get_html_body",
(PyCFunction) pypff_message_get_html_body,
METH_NOARGS,
"get_html_body() -> String or None\n"
"\n"
"Retrieves the HTML body." },
/* Functions to access the attachments */
{ "get_number_of_attachments",
(PyCFunction) pypff_message_get_number_of_attachments,
METH_NOARGS,
"get_number_of_attachments() -> Integer\n"
"\n"
"Retrieves the number of attachments." },
/* TODO create attachment item
{ "get_attachment",
(PyCFunction) pypff_message_get_attachment,
METH_VARARGS | METH_KEYWORDS,
"get_attachment(attachment_index) -> Object or None\n"
"\n"
"Retrieves a specific attachment." },
*/
/* Sentinel */
{ NULL, NULL, 0, NULL }
};
PyGetSetDef pypff_message_object_get_set_definitions[] = {
{ "subject",
(getter) pypff_message_get_subject,
(setter) 0,
"The subject.",
NULL },
{ "conversation_topic",
(getter) pypff_message_get_conversation_topic,
(setter) 0,
"The conversation topic.",
NULL },
/* TODO conversation index */
{ "sender_name",
(getter) pypff_message_get_sender_name,
(setter) 0,
"The sender name.",
NULL },
{ "client_submit_time",
(getter) pypff_message_get_client_submit_time,
(setter) 0,
"The client submit date and time.",
NULL },
{ "delivery_time",
(getter) pypff_message_get_delivery_time,
(setter) 0,
"The delivery date and time.",
NULL },
{ "creation_time",
(getter) pypff_message_get_creation_time,
(setter) 0,
"The creation date and time.",
NULL },
{ "modification_time",
(getter) pypff_message_get_modification_time,
(setter) 0,
"The modification date and time.",
NULL },
{ "transport_headers",
(getter) pypff_message_get_transport_headers,
(setter) 0,
"The transport headers.",
NULL },
{ "plain_text_body",
(getter) pypff_message_get_plain_text_body,
(setter) 0,
"The plain text body.",
NULL },
{ "rtf_body",
(getter) pypff_message_get_rtf_body,
(setter) 0,
"The RTF body.",
NULL },
{ "html_body",
(getter) pypff_message_get_html_body,
(setter) 0,
"The HTML body.",
NULL },
{ "number_of_attachments",
(getter) pypff_message_get_number_of_attachments,
(setter) 0,
"The number of attachments.",
NULL },
/* TODO create attachment item
{ "attachments",
(getter) pypff_message_get_attachments,
(setter) 0,
"The attachments",
NULL },
*/
/* Sentinel */
{ NULL, NULL, NULL, NULL, NULL }
};
PyTypeObject pypff_message_type_object = {
PyVarObject_HEAD_INIT( NULL, 0 )
/* tp_name */
"pypff.message",
/* tp_basicsize */
sizeof( pypff_item_t ),
/* tp_itemsize */
0,
/* tp_dealloc */
0,
/* tp_print */
0,
/* tp_getattr */
0,
/* tp_setattr */
0,
/* tp_compare */
0,
/* tp_repr */
0,
/* tp_as_number */
0,
/* tp_as_sequence */
0,
/* tp_as_mapping */
0,
/* tp_hash */
0,
/* tp_call */
0,
/* tp_str */
0,
/* tp_getattro */
0,
/* tp_setattro */
0,
/* tp_as_buffer */
0,
/* tp_flags */
Py_TPFLAGS_DEFAULT,
/* tp_doc */
"pypff message object (wraps message type libpff_item_t)",
/* tp_traverse */
0,
/* tp_clear */
0,
/* tp_richcompare */
0,
/* tp_weaklistoffset */
0,
/* tp_iter */
0,
/* tp_iternext */
0,
/* tp_methods */
pypff_message_object_methods,
/* tp_members */
0,
/* tp_getset */
pypff_message_object_get_set_definitions,
/* tp_base */
&pypff_item_type_object,
/* tp_dict */
0,
/* tp_descr_get */
0,
/* tp_descr_set */
0,
/* tp_dictoffset */
0,
/* tp_init */
0,
/* tp_alloc */
0,
/* tp_new */
0,
/* tp_free */
0,
/* tp_is_gc */
0,
/* tp_bases */
NULL,
/* tp_mro */
NULL,
/* tp_cache */
NULL,
/* tp_subclasses */
NULL,
/* tp_weaklist */
NULL,
/* tp_del */
0
};
/* Retrieves the subject
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_subject(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
PyObject *string_object = NULL;
const char *errors = NULL;
uint8_t *value_string = NULL;
static char *function = "pypff_message_get_subject";
size_t value_string_size = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_TypeError,
"%s: invalid item.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string_size(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_SUBJECT,
&value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result == -1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve subject size.",
function );
libcerror_error_free(
&error );
goto on_error;
}
else if( ( result == 0 )
|| ( value_string_size == 0 ) )
{
Py_IncRef(
Py_None );
return( Py_None );
}
value_string = (uint8_t *) PyMem_Malloc(
sizeof( uint8_t ) * value_string_size );
if( value_string == NULL )
{
PyErr_Format(
PyExc_IOError,
"%s: unable to create subject.",
function );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_SUBJECT,
value_string,
value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve subject.",
function );
libcerror_error_free(
&error );
goto on_error;
}
/* Ignore the subject control codes for now
*/
if( value_string[ 0 ] < 0x20 )
{
/* Pass the string length to PyUnicode_DecodeUTF8
* otherwise it makes the end of string character is part
* of the string
*/
string_object = PyUnicode_DecodeUTF8(
(char *) &( value_string[ 2 ] ),
(Py_ssize_t) value_string_size - 3,
errors );
}
else
{
/* Pass the string length to PyUnicode_DecodeUTF8
* otherwise it makes the end of string character is part
* of the string
*/
string_object = PyUnicode_DecodeUTF8(
(char *) value_string,
(Py_ssize_t) value_string_size - 1,
errors );
}
PyMem_Free(
value_string );
return( string_object );
on_error:
if( value_string != NULL )
{
PyMem_Free(
value_string );
}
return( NULL );
}
/* Retrieves the conversation topic
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_conversation_topic(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
PyObject *string_object = NULL;
const char *errors = NULL;
uint8_t *value_string = NULL;
static char *function = "pypff_message_get_conversation_topic";
size_t value_string_size = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_TypeError,
"%s: invalid item.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string_size(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_CONVERSATION_TOPIC,
&value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result == -1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve conversation topic size.",
function );
libcerror_error_free(
&error );
goto on_error;
}
else if( ( result == 0 )
|| ( value_string_size == 0 ) )
{
Py_IncRef(
Py_None );
return( Py_None );
}
value_string = (uint8_t *) PyMem_Malloc(
sizeof( uint8_t ) * value_string_size );
if( value_string == NULL )
{
PyErr_Format(
PyExc_IOError,
"%s: unable to create conversation topic.",
function );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_CONVERSATION_TOPIC,
value_string,
value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve conversation topic.",
function );
libcerror_error_free(
&error );
goto on_error;
}
/* Pass the string length to PyUnicode_DecodeUTF8
* otherwise it makes the end of string character is part
* of the string
*/
string_object = PyUnicode_DecodeUTF8(
(char *) value_string,
(Py_ssize_t) value_string_size - 1,
errors );
PyMem_Free(
value_string );
return( string_object );
on_error:
if( value_string != NULL )
{
PyMem_Free(
value_string );
}
return( NULL );
}
/* Retrieves the sender name
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_sender_name(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
PyObject *string_object = NULL;
const char *errors = NULL;
uint8_t *value_string = NULL;
static char *function = "pypff_message_get_sender_name";
size_t value_string_size = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_TypeError,
"%s: invalid item.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string_size(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_SENDER_NAME,
&value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result == -1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve sender name size.",
function );
libcerror_error_free(
&error );
goto on_error;
}
else if( ( result == 0 )
|| ( value_string_size == 0 ) )
{
Py_IncRef(
Py_None );
return( Py_None );
}
value_string = (uint8_t *) PyMem_Malloc(
sizeof( uint8_t ) * value_string_size );
if( value_string == NULL )
{
PyErr_Format(
PyExc_IOError,
"%s: unable to create sender name.",
function );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_message_get_entry_value_utf8_string(
pypff_item->item,
LIBPFF_ENTRY_TYPE_MESSAGE_SENDER_NAME,
value_string,
value_string_size,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve sender name.",
function );
libcerror_error_free(
&error );
goto on_error;
}
/* Pass the string length to PyUnicode_DecodeUTF8
* otherwise it makes the end of string character is part
* of the string
*/
string_object = PyUnicode_DecodeUTF8(
(char *) value_string,
(Py_ssize_t) value_string_size - 1,
errors );
PyMem_Free(
value_string );
return( string_object );
on_error:
if( value_string != NULL )
{
PyMem_Free(
value_string );
}
return( NULL );
}
/* Retrieves the client submit date and time
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_client_submit_time(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
libpff_record_entry_t *record_entry = NULL;
PyObject *date_time_object = NULL;
static char *function = "pypff_message_get_client_submit_time";
uint64_t filetime = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_ValueError,
"%s: invalid item.",
function );
return( NULL );
}
/* TODO move into a convenience function */
Py_BEGIN_ALLOW_THREADS
result = libpff_record_set_get_entry_by_type(
pypff_item->record_set,
LIBPFF_ENTRY_TYPE_MESSAGE_CLIENT_SUBMIT_TIME,
LIBPFF_VALUE_TYPE_FILETIME,
&record_entry,
0,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve message client submit time record entry.",
function );
libcerror_error_free(
&error );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_entry_get_value_filetime(
record_entry,
&filetime,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve filetime value.",
function );
libcerror_error_free(
&error );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_entry_free(
&record_entry,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to free record entry.",
function );
libcerror_error_free(
&error );
}
date_time_object = pypff_datetime_new_from_filetime(
filetime );
return( date_time_object );
on_error:
if( record_entry != NULL )
{
libpff_record_entry_free(
&record_entry,
NULL );
}
return( NULL );
}
/* Retrieves the client submit date and time as an integer
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_client_submit_time_as_integer(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
libpff_record_entry_t *record_entry = NULL;
PyObject *integer_object = NULL;
static char *function = "pypff_message_get_client_submit_time_as_integer";
uint64_t filetime = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_ValueError,
"%s: invalid item.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_set_get_entry_by_type(
pypff_item->record_set,
LIBPFF_ENTRY_TYPE_MESSAGE_CLIENT_SUBMIT_TIME,
LIBPFF_VALUE_TYPE_FILETIME,
&record_entry,
0,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve message client submit time record entry.",
function );
libcerror_error_free(
&error );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_entry_get_value_filetime(
record_entry,
&filetime,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve filetime value.",
function );
libcerror_error_free(
&error );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_entry_free(
&record_entry,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to free record entry.",
function );
libcerror_error_free(
&error );
}
integer_object = pypff_integer_unsigned_new_from_64bit(
(uint64_t) filetime );
return( integer_object );
on_error:
if( record_entry != NULL )
{
libpff_record_entry_free(
&record_entry,
NULL );
}
return( NULL );
}
/* Retrieves the delivery date and time
* Returns a Python object if successful or NULL on error
*/
PyObject *pypff_message_get_delivery_time(
pypff_item_t *pypff_item,
PyObject *arguments PYPFF_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
libpff_record_entry_t *record_entry = NULL;
PyObject *date_time_object = NULL;
static char *function = "pypff_message_get_delivery_time";
uint64_t filetime = 0;
int result = 0;
PYPFF_UNREFERENCED_PARAMETER( arguments )
if( pypff_item == NULL )
{
PyErr_Format(
PyExc_ValueError,
"%s: invalid item.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_set_get_entry_by_type(
pypff_item->record_set,
LIBPFF_ENTRY_TYPE_MESSAGE_DELIVERY_TIME,
LIBPFF_VALUE_TYPE_FILETIME,
&record_entry,
0,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve message delivery time record entry.",
function );
libcerror_error_free(
&error );
goto on_error;
}
Py_BEGIN_ALLOW_THREADS
result = libpff_record_entry_get_value_filetime(
record_entry,
&filetime,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pypff_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve filetime value.",
function );
libcerror_error_free(
&error );
goto on_error;