/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camelMimePart.c : Abstract class for a mime_part */
/*
*
* Author :
* Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.org>
*
* Copyright 1999 International GNOME Support (http://www.gnome-support.com) .
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include "camel-mime-part.h"
#include <stdio.h>
#include "gmime-content-field.h"
#include "string-utils.h"
#include "camel-log.h"
#include "gmime-utils.h"
#include "camel-simple-data-wrapper.h"
#include "hash-table-utils.h"
#include "camel-stream-mem.h"
typedef enum {
HEADER_UNKNOWN,
HEADER_DESCRIPTION,
HEADER_DISPOSITION,
HEADER_CONTENT_ID,
HEADER_ENCODING,
HEADER_CONTENT_MD5,
HEADER_CONTENT_LANGUAGES,
HEADER_CONTENT_TYPE
} CamelHeaderType;
static GHashTable *header_name_table;
static CamelMediumClass *parent_class=NULL;
/* Returns the class for a CamelMimePart */
#define CMP_CLASS(so) CAMEL_MIME_PART_CLASS (GTK_OBJECT(so)->klass)
/* from GtkObject */
static void _finalize (GtkObject *object);
/* from CamelDataWrapper */
static void _write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
void _construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
/* from CamelMedia */
static void _add_header (CamelMedium *medium, gchar *header_name, gchar *header_value);
static void _set_content_object (CamelMedium *medium, CamelDataWrapper *content);
static CamelDataWrapper *_get_content_object (CamelMedium *medium);
/* CamelMimePart methods */
static void _set_description (CamelMimePart *mime_part, const gchar *description);
static const gchar *_get_description (CamelMimePart *mime_part);
static void _set_disposition (CamelMimePart *mime_part, const gchar *disposition);
static const gchar *_get_disposition (CamelMimePart *mime_part);
static void _set_filename (CamelMimePart *mime_part, gchar *filename);
static const gchar *_get_filename (CamelMimePart *mime_part);
static void _set_content_id (CamelMimePart *mime_part, gchar *content_id);
static const gchar *_get_content_id (CamelMimePart *mime_part);
static void _set_content_MD5 (CamelMimePart *mime_part, gchar *content_MD5);
static const gchar *_get_content_MD5 (CamelMimePart *mime_part);
static void _set_encoding (CamelMimePart *mime_part, gchar *encoding);
static const gchar *_get_encoding (CamelMimePart *mime_part);
static void _set_content_languages (CamelMimePart *mime_part, GList *content_languages);
static const GList *_get_content_languages (CamelMimePart *mime_part);
static void _set_header_lines (CamelMimePart *mime_part, GList *header_lines);
static const GList *_get_header_lines (CamelMimePart *mime_part);
static void _set_content_type (CamelMimePart *mime_part, const gchar *content_type);
static GMimeContentField *_get_content_type (CamelMimePart *mime_part);
static gboolean _parse_header_pair (CamelMimePart *mime_part, gchar *header_name, gchar *header_value);
/* loads in a hash table the set of header names we */
/* recognize and associate them with a unique enum */
/* identifier (see CamelHeaderType above) */
static void
_init_header_name_table()
{
header_name_table = g_hash_table_new (g_strcase_hash, g_strcase_equal);
g_hash_table_insert (header_name_table, "Content-Description", (gpointer)HEADER_DESCRIPTION);
g_hash_table_insert (header_name_table, "Content-Disposition", (gpointer)HEADER_DISPOSITION);
g_hash_table_insert (header_name_table, "Content-id", (gpointer)HEADER_CONTENT_ID);
g_hash_table_insert (header_name_table, "Content-Transfer-Encoding", (gpointer)HEADER_ENCODING);
g_hash_table_insert (header_name_table, "Content-MD5", (gpointer)HEADER_CONTENT_MD5);
g_hash_table_insert (header_name_table, "Content-Type", (gpointer)HEADER_CONTENT_TYPE);
}
static void
camel_mime_part_class_init (CamelMimePartClass *camel_mime_part_class)
{
CamelMediumClass *camel_medium_class = CAMEL_MEDIUM_CLASS (camel_mime_part_class);
CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_mime_part_class);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_data_wrapper_class);
parent_class = gtk_type_class (camel_medium_get_type ());
_init_header_name_table();
/* virtual method definition */
camel_mime_part_class->set_description = _set_description;
camel_mime_part_class->get_description = _get_description;
camel_mime_part_class->set_disposition = _set_disposition;
camel_mime_part_class->get_disposition = _get_disposition;
camel_mime_part_class->set_filename = _set_filename;
camel_mime_part_class->get_filename = _get_filename;
camel_mime_part_class->set_content_id = _set_content_id;
camel_mime_part_class->get_content_id = _get_content_id;
camel_mime_part_class->set_content_MD5 =_set_content_MD5;
camel_mime_part_class->get_content_MD5 = _get_content_MD5;
camel_mime_part_class->set_encoding = _set_encoding;
camel_mime_part_class->get_encoding = _get_encoding;
camel_mime_part_class->set_content_languages = _set_content_languages;
camel_mime_part_class->get_content_languages = _get_content_languages;
camel_mime_part_class->set_header_lines =_set_header_lines;
camel_mime_part_class->get_header_lines =_get_header_lines;
camel_mime_part_class->set_content_type = _set_content_type;
camel_mime_part_class->get_content_type = _get_content_type;
camel_mime_part_class->parse_header_pair = _parse_header_pair;
/* virtual method overload */
camel_medium_class->add_header = _add_header;
camel_medium_class->set_content_object = _set_content_object;
camel_medium_class->get_content_object = _get_content_object;
camel_data_wrapper_class->write_to_stream = _write_to_stream;
camel_data_wrapper_class->construct_from_stream = _construct_from_stream;
gtk_object_class->finalize = _finalize;
}
static void
camel_mime_part_init (gpointer object, gpointer klass)
{
CamelMimePart *camel_mime_part = CAMEL_MIME_PART (object);
camel_mime_part->content_type = gmime_content_field_new (NULL, NULL);
camel_mime_part->description = NULL;
camel_mime_part->disposition = NULL;
camel_mime_part->content_id = NULL;
camel_mime_part->content_MD5 = NULL;
camel_mime_part->content_languages = NULL;
camel_mime_part->encoding = NULL;
camel_mime_part->filename = NULL;
camel_mime_part->header_lines = NULL;
camel_mime_part->temp_message_buffer = NULL;
}
GtkType
camel_mime_part_get_type (void)
{
static GtkType camel_mime_part_type = 0;
if (!camel_mime_part_type) {
GtkTypeInfo camel_mime_part_info =
{
"CamelMimePart",
sizeof (CamelMimePart),
sizeof (CamelMimePartClass),
(GtkClassInitFunc) camel_mime_part_class_init,
(GtkObjectInitFunc) camel_mime_part_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_mime_part_type = gtk_type_unique (camel_medium_get_type (), &camel_mime_part_info);
}
return camel_mime_part_type;
}
static void
_finalize (GtkObject *object)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (object);
#warning do something for (mime_part->disposition) which should not be a GMimeContentField
CAMEL_LOG_FULL_DEBUG ("Entering CamelMimePart::finalize\n");
g_free (mime_part->description);
gmime_content_field_unref (mime_part->disposition);
g_free (mime_part->content_id);
g_free (mime_part->content_MD5);
string_list_free (mime_part->content_languages);
g_free (mime_part->encoding);
g_free (mime_part->filename);
if (mime_part->header_lines) string_list_free (mime_part->header_lines);
if (mime_part->content_type) gmime_content_field_unref (mime_part->content_type);
if (mime_part->temp_message_buffer) g_byte_array_free (mime_part->temp_message_buffer, TRUE);
GTK_OBJECT_CLASS (parent_class)->finalize (object);
CAMEL_LOG_FULL_DEBUG ("Leaving CamelMimePart::finalize\n");
}
/* **** */
static void
_add_header (CamelMedium *medium, gchar *header_name, gchar *header_value)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
gboolean header_exists;
gchar *old_header_name;
gchar *old_header_value;
/* Try to parse the header pair. If it corresponds to something */
/* known, the job is done in the parsing routine. If not, */
/* we simply add the header in a raw fashion */
if (! CMP_CLASS(mime_part)->parse_header_pair (mime_part, header_name, header_value) )
parent_class->add_header (medium, header_name, header_value);
}
static void
_set_description (CamelMimePart *mime_part, const gchar *description)
{
g_free (mime_part->description);
mime_part->description = g_strdup (description);
}
void
camel_mime_part_set_description (CamelMimePart *mime_part, const gchar *description)
{
CMP_CLASS(mime_part)->set_description (mime_part, description);
}
/* **** */
static const gchar *
_get_description (CamelMimePart *mime_part)
{
return mime_part->description;
}
const gchar *
camel_mime_part_get_description (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_description (mime_part);
}
/* **** */
static void
_set_disposition (CamelMimePart *mime_part, const gchar *disposition)
{
#warning Do not use MimeContentfield here !!!
if (mime_part->disposition) g_free ((mime_part->disposition)->type);
g_free (mime_part->disposition);
mime_part->disposition = g_new0 (GMimeContentField,1);
(mime_part->disposition)->type = g_strdup (disposition);
}
void
camel_mime_part_set_disposition (CamelMimePart *mime_part, const gchar *disposition)
{
CMP_CLASS(mime_part)->set_disposition (mime_part, disposition);
}
/* **** */
static const gchar *
_get_disposition (CamelMimePart *mime_part)
{
if (!mime_part->disposition) return NULL;
return (mime_part->disposition)->type;
}
const gchar *
camel_mime_part_get_disposition (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_disposition (mime_part);
}
static void
_set_filename (CamelMimePart *mime_part, gchar *filename)
{
g_free(mime_part->filename);
mime_part->filename = filename;
}
void
camel_mime_part_set_filename (CamelMimePart *mime_part, gchar *filename)
{
CMP_CLASS(mime_part)->set_filename (mime_part, filename);
}
/* **** */
static const gchar *
_get_filename (CamelMimePart *mime_part)
{
return mime_part->filename;
}
const gchar *
camel_mime_part_get_filename (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_filename (mime_part);
}
/* **** */
/* this routine must not be public */
static void
_set_content_id (CamelMimePart *mime_part, gchar *content_id)
{
g_free(mime_part->content_id);
mime_part->content_id = content_id;
}
static const gchar *
_get_content_id (CamelMimePart *mime_part)
{
return mime_part->content_id;
}
/* **** */
const gchar *
camel_mime_part_get_content_id (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_content_id (mime_part);
}
/* this routine must not be public */
static void
_set_content_MD5 (CamelMimePart *mime_part, gchar *content_MD5)
{
g_free(mime_part->content_MD5);
mime_part->content_MD5 = content_MD5;
}
/* **** */
static const gchar *
_get_content_MD5 (CamelMimePart *mime_part)
{
return mime_part->content_MD5;
}
const gchar *
camel_mime_part_get_content_MD5 (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_content_MD5 (mime_part);
}
/* **** */
static void
_set_encoding (CamelMimePart *mime_part, gchar *encoding)
{
g_free(mime_part->encoding);
mime_part->encoding = encoding;
}
void
camel_mime_part_set_encoding (CamelMimePart *mime_part, gchar *encoding)
{
CMP_CLASS(mime_part)->set_encoding (mime_part, encoding);
}
/* **** */
static const gchar *
_get_encoding (CamelMimePart *mime_part)
{
return mime_part->encoding;
}
const gchar *
camel_mime_part_get_encoding (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_encoding (mime_part);
}
/* **** */
static void
_set_content_languages (CamelMimePart *mime_part, GList *content_languages)
{
if (mime_part->content_languages) string_list_free (mime_part->content_languages);
mime_part->content_languages = content_languages;
}
void
camel_mime_part_set_content_languages (CamelMimePart *mime_part, GList *content_languages)
{
CMP_CLASS(mime_part)->set_content_languages (mime_part, content_languages);
}
/* **** */
static const GList *
_get_content_languages (CamelMimePart *mime_part)
{
return mime_part->content_languages;
}
const GList *
camel_mime_part_get_content_languages (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_content_languages (mime_part);
}
/* **** */
static void
_set_header_lines (CamelMimePart *mime_part, GList *header_lines)
{
if (mime_part->header_lines) string_list_free (mime_part->header_lines);
mime_part->header_lines = header_lines;
}
void
camel_mime_part_set_header_lines (CamelMimePart *mime_part, GList *header_lines)
{
CMP_CLASS(mime_part)->set_header_lines (mime_part, header_lines);
}
/* **** */
static const GList *
_get_header_lines (CamelMimePart *mime_part)
{
return mime_part->header_lines;
}
const GList *
camel_mime_part_get_header_lines (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_header_lines (mime_part);
}
/* **** */
static void
_set_content_type (CamelMimePart *mime_part, const gchar *content_type)
{
g_assert (content_type);
gmime_content_field_construct_from_string (mime_part->content_type, content_type);
}
void
camel_mime_part_set_content_type (CamelMimePart *mime_part, gchar *content_type)
{
CMP_CLASS(mime_part)->set_content_type (mime_part, content_type);
}
/* **** */
static GMimeContentField *
_get_content_type (CamelMimePart *mime_part)
{
return mime_part->content_type;
}
GMimeContentField *
camel_mime_part_get_content_type (CamelMimePart *mime_part)
{
return CMP_CLASS(mime_part)->get_content_type (mime_part);
}
/*********/
static void
_set_content_object (CamelMedium *medium, CamelDataWrapper *content)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
GMimeContentField *object_content_field;
parent_class->set_content_object (medium, content);
object_content_field = camel_data_wrapper_get_mime_type_field (content);
if (mime_part->content_type && (mime_part->content_type != object_content_field))
gmime_content_field_unref (mime_part->content_type);
mime_part->content_type = object_content_field;
gmime_content_field_ref (object_content_field);
CAMEL_LOG_FULL_DEBUG ("Leaving CamelMimePart::set_content_object\n");
}
static CamelDataWrapper *
_get_content_object (CamelMedium *medium)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
CamelStream *stream;
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::get_content_object entering\n");
/*
* test if there is not pending content stored in the
* temporary buffer
*/
if ((!medium->content ) && (mime_part->temp_message_buffer)) {
stream = camel_stream_mem_new_with_buffer (mime_part->temp_message_buffer,
CAMEL_STREAM_MEM_READ);
camel_mime_part_construct_content_from_stream (mime_part, stream);
/*
* Beware : this will destroy the temp buffer as well
*/
gtk_object_unref (GTK_OBJECT (stream));
} else {
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::get_content_object part has a pointer "
"to a content object as well as a temp buffer\n");
}
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::get_content_object leaving\n");
return parent_class->get_content_object (medium);
}
/* **** */
/**********************************************************************/
#ifdef WHPT
#warning : WHPT is already defined !!!!!!
#endif
#define WHPT gmime_write_header_pair_to_stream
static void
_write_content_to_stream (CamelMimePart *mime_part, CamelStream *stream)
{
CamelMedium *medium = CAMEL_MEDIUM (mime_part);
guint buffer_size;
gchar *buffer;
gchar *encoded_buffer;
CamelDataWrapper *content = medium->content;
CAMEL_LOG_FULL_DEBUG ( "Entering CamelMimePart::_write_content_to_stream\n");
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::_write_content_to_stream, content=%p\n", content);
if (!content) return;
// buffer_size = camel_data_wrapper_size (content);
//buffer = g_malloc (buffer_size);
camel_data_wrapper_write_to_stream (content, stream);
//if (mime_part->encoding) {
// encoded_buffer_size = gmime_encoded_size(buffer, buffer_size, encoding);
// encoded_buffer = g_malloc (encoded_buffer_size);
// gmime_encode_buffer (buffer, encoded_buffer, encoding);
// camel_stream_write (stream, encoded_buffer, encoded_buffer_size);
// g_free (encoded_buffer);
//} else
//fwrite (buffer, buffer_size, 1, file);
//camel_stream_write (stream, buffer, buffer_size);
//g_free (buffer);
CAMEL_LOG_FULL_DEBUG ( "Leaving CamelMimePart::_write_content_to_stream\n");
}
static void
_write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelMimePart *mp = CAMEL_MIME_PART (data_wrapper);
CamelMedium *medium = CAMEL_MEDIUM (data_wrapper);
CAMEL_LOG_FULL_DEBUG ( "Entering CamelMimePart::write_to_stream\n");
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-disposition\n");
gmime_content_field_write_to_stream(mp->disposition, stream);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-transfer-encoding\n");
WHPT (stream, "Content-Transfer-Encoding", mp->encoding);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-description\n");
WHPT (stream, "Content-Description", mp->description);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-MD5\n");
WHPT (stream, "Content-MD5", mp->content_MD5);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-id\n");
WHPT (stream, "Content-id", mp->content_id);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-languages\n");
gmime_write_header_with_glist_to_stream (stream, "Content-Language", mp->content_languages,", ");
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing other headers\n");
gmime_write_header_table_to_stream (stream, medium->headers);
CAMEL_LOG_FULL_DEBUG ( "CamelMimePart::write_to_stream writing content-type\n");
gmime_content_field_write_to_stream (mp->content_type, stream);
camel_stream_write_string(stream,"\n");
_write_content_to_stream (mp, stream);
}
/*******************************/
/* mime part parsing */
static gboolean
_parse_header_pair (CamelMimePart *mime_part, gchar *header_name, gchar *header_value)
{
CamelHeaderType header_type;
gboolean header_handled = FALSE;
header_type = (CamelHeaderType) g_hash_table_lookup (header_name_table, header_name);
switch (header_type) {
case HEADER_DESCRIPTION:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_DESCRIPTION: %s\n",
header_value );
camel_mime_part_set_description (mime_part, header_value);
header_handled = TRUE;
break;
case HEADER_DISPOSITION:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_DISPOSITION: %s\n",
header_value);
camel_mime_part_set_disposition (mime_part, header_value);
header_handled = TRUE;
break;
case HEADER_CONTENT_ID:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_CONTENT_ID: %s\n",
header_value);
CMP_CLASS(mime_part)->set_content_id (mime_part, header_value);
header_handled = TRUE;
break;
case HEADER_ENCODING:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_ENCODING: %s\n",
header_value);
camel_mime_part_set_encoding (mime_part, header_value);
header_handled = TRUE;
break;
case HEADER_CONTENT_MD5:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_CONTENT_MD5: %s\n",
header_value );
CMP_CLASS(mime_part)->set_content_MD5 (mime_part, header_value);
header_handled = TRUE;
break;
case HEADER_CONTENT_TYPE:
CAMEL_LOG_FULL_DEBUG (
"CamelMimePart::parse_header_pair found HEADER_CONTENT_TYPE: %s\n",
header_value );
gmime_content_field_construct_from_string (mime_part->content_type, header_value);
header_handled = TRUE;
break;
}
if (header_handled) {
g_free (header_name);
return TRUE;
} else return FALSE;
}
void
_construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (data_wrapper);
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::construct_from_stream entering\n");
camel_mime_part_construct_headers_from_stream (mime_part, stream);
camel_mime_part_store_stream_in_buffer (mime_part, stream);
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::construct_from_stream leaving\n");
}
/******************************/
/** Misc utility functions **/
/**
* camel_mime_part_set_text: set the content to be some text
* @camel_mime_part: Mime part
* @text: the text
*
* Utility function used to set the content of a mime part object to
* be a text string. When @text is NULL, this routine can be used as
* a way to remove old text content.
*
**/
void
camel_mime_part_set_text (CamelMimePart *camel_mime_part, const gchar *text)
{
CamelSimpleDataWrapper *simple_data_wrapper;
CamelMedium *medium = CAMEL_MEDIUM (camel_mime_part);
CAMEL_LOG_FULL_DEBUG ("CamelMimePart:: Entering set_text\n");
CAMEL_LOG_TRACE ("CamelMimePart::set_text, setting text as a mime part content\n");
if (medium->content) {
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::set_text unreferencing old content object\n");
gtk_object_unref (GTK_OBJECT (medium->content));
}
if (text) {
simple_data_wrapper = camel_simple_data_wrapper_new ();
CAMEL_LOG_FULL_DEBUG ("CamelMimePart::set_text calling CamelSimpleDataWrapper:set_text with %d chars\n", strlen (text));
camel_data_wrapper_set_mime_type (CAMEL_DATA_WRAPPER (simple_data_wrapper), "text/plain");
camel_simple_data_wrapper_set_text ( simple_data_wrapper, text);
camel_medium_set_content_object ( CAMEL_MEDIUM (camel_mime_part), CAMEL_DATA_WRAPPER (simple_data_wrapper));
gtk_object_unref (GTK_OBJECT (simple_data_wrapper));
} else medium->content = NULL;
CAMEL_LOG_FULL_DEBUG ("CamelMimePart:: Leaving camel_mime_part_set_text\n");
}
