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Diffstat (limited to 'camel/camel-multipart.c')
| -rw-r--r-- | camel/camel-multipart.c | 678 |
1 files changed, 0 insertions, 678 deletions
diff --git a/camel/camel-multipart.c b/camel/camel-multipart.c deleted file mode 100644 index 94ec8a4dbf..0000000000 --- a/camel/camel-multipart.c +++ /dev/null @@ -1,678 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-multipart.c : Abstract class for a multipart */ - - -/* - * - * Author : - * Bertrand Guiheneuf <bertrand@helixcode.com> - * - * Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.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 "gmime-content-field.h" -#include "gmime-utils.h" -#include "camel-stream-mem.h" -#include "camel-seekable-substream.h" -#include "camel-mime-body-part.h" -#include "camel-multipart.h" - -#define d(x) - -static void add_part (CamelMultipart *multipart, - CamelMimeBodyPart *part); -static void add_part_at (CamelMultipart *multipart, - CamelMimeBodyPart *part, - guint index); -static void remove_part (CamelMultipart *multipart, - CamelMimeBodyPart *part); -static CamelMimeBodyPart * remove_part_at (CamelMultipart *multipart, - guint index); -static CamelMimeBodyPart * get_part (CamelMultipart *multipart, - guint index); -static guint get_number (CamelMultipart *multipart); -static void set_parent (CamelMultipart *multipart, - CamelMimePart *parent); -static CamelMimePart * get_parent (CamelMultipart *multipart); -static void set_boundary (CamelMultipart *multipart, - gchar *boundary); -static const gchar * get_boundary (CamelMultipart *multipart); -static void write_to_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream); -static void set_input_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream); -static void finalize (GtkObject *object); -static void construct_from_parser(CamelDataWrapper *dw, CamelMimeParser *mp); - - -static CamelDataWrapperClass *parent_class = NULL; - - - -/* Returns the class for a CamelMultipart */ -#define CMP_CLASS(so) CAMEL_MULTIPART_CLASS (GTK_OBJECT(so)->klass) - -/* Returns the class for a CamelDataWrapper */ -#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (GTK_OBJECT(so)->klass) - - -static void -camel_multipart_class_init (CamelMultipartClass *camel_multipart_class) -{ - CamelDataWrapperClass *camel_data_wrapper_class = - CAMEL_DATA_WRAPPER_CLASS (camel_multipart_class); - GtkObjectClass *gtk_object_class = - GTK_OBJECT_CLASS (camel_multipart_class); - - parent_class = gtk_type_class (camel_data_wrapper_get_type ()); - - /* virtual method definition */ - camel_multipart_class->add_part = add_part; - camel_multipart_class->add_part_at = add_part_at; - camel_multipart_class->remove_part = remove_part; - camel_multipart_class->remove_part_at = remove_part_at; - camel_multipart_class->get_part = get_part; - camel_multipart_class->get_number = get_number; - camel_multipart_class->set_parent = set_parent; - camel_multipart_class->get_parent = get_parent; - camel_multipart_class->set_boundary = set_boundary; - camel_multipart_class->get_boundary = get_boundary; - - /* virtual method overload */ - camel_data_wrapper_class->write_to_stream = write_to_stream; - camel_data_wrapper_class->set_input_stream = set_input_stream; - - camel_data_wrapper_class->construct_from_parser = construct_from_parser; - - gtk_object_class->finalize = finalize; -} - -static void -camel_multipart_init (gpointer object, gpointer klass) -{ - CamelMultipart *multipart = CAMEL_MULTIPART (object); - - camel_data_wrapper_set_mime_type (CAMEL_DATA_WRAPPER (multipart), - "multipart/mixed"); - camel_multipart_set_boundary (multipart, "=-=-=-="); - multipart->preface = NULL; - multipart->postface = NULL; -} - - -GtkType -camel_multipart_get_type (void) -{ - static GtkType camel_multipart_type = 0; - - if (!camel_multipart_type) { - GtkTypeInfo camel_multipart_info = - { - "CamelMultipart", - sizeof (CamelMultipart), - sizeof (CamelMultipartClass), - (GtkClassInitFunc) camel_multipart_class_init, - (GtkObjectInitFunc) camel_multipart_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - camel_multipart_type = gtk_type_unique (camel_data_wrapper_get_type (), &camel_multipart_info); - } - - return camel_multipart_type; -} - -static void -unref_part (gpointer data, gpointer user_data) -{ - GtkObject *body_part = GTK_OBJECT (data); - - gtk_object_unref (body_part); -} - -static void -finalize (GtkObject *object) -{ - CamelMultipart *multipart = CAMEL_MULTIPART (object); - - if (multipart->parent) - gtk_object_unref (GTK_OBJECT (multipart->parent)); - - g_list_foreach (multipart->parts, unref_part, NULL); - - if (multipart->boundary) - g_free (multipart->boundary); - if (multipart->preface) - g_free (multipart->preface); - if (multipart->postface) - g_free (multipart->postface); - - GTK_OBJECT_CLASS (parent_class)->finalize (object); -} - - - -/** - * camel_multipart_new: - * - * Create a new CamelMultipart object. - * - * Return value: a new CamelMultipart - **/ -CamelMultipart * -camel_multipart_new (void) -{ - CamelMultipart *multipart; - - multipart = (CamelMultipart *)gtk_type_new (CAMEL_MULTIPART_TYPE); - multipart->preface = NULL; - multipart->postface = NULL; - - return multipart; -} - - -static void -add_part (CamelMultipart *multipart, CamelMimeBodyPart *part) -{ - multipart->parts = g_list_append (multipart->parts, part); - gtk_object_ref (GTK_OBJECT (part)); -} - -/** - * camel_multipart_add_part: - * @multipart: a CamelMultipart - * @part: the body part to add - * - * Appends the body part to the multipart object. - **/ -void -camel_multipart_add_part (CamelMultipart *multipart, CamelMimeBodyPart *part) -{ - g_return_if_fail (CAMEL_IS_MULTIPART (multipart)); - g_return_if_fail (CAMEL_IS_MIME_BODY_PART (part)); - - CMP_CLASS (multipart)->add_part (multipart, part); -} - - -static void -add_part_at (CamelMultipart *multipart, CamelMimeBodyPart *part, guint index) -{ - multipart->parts = g_list_insert (multipart->parts, part, index); - gtk_object_ref (GTK_OBJECT (part)); -} - -/** - * camel_multipart_add_part_at: - * @multipart: a CamelMultipart - * @part: the body part to add - * @index: index to add the multipart at - * - * Adds the body part to the multipart object after the @index'th - * element. If @index is greater than the number of parts, it is - * equivalent to camel_multipart_add_part(). - **/ -void -camel_multipart_add_part_at (CamelMultipart *multipart, - CamelMimeBodyPart *part, guint index) -{ - g_return_if_fail (CAMEL_IS_MULTIPART (multipart)); - g_return_if_fail (CAMEL_IS_MIME_BODY_PART (part)); - - CMP_CLASS (multipart)->add_part_at (multipart, part, index); -} - - -static void -remove_part (CamelMultipart *multipart, CamelMimeBodyPart *part) -{ - if (!multipart->parts) - return; - multipart->parts = g_list_remove (multipart->parts, part); - gtk_object_unref (GTK_OBJECT (part)); -} - -/** - * camel_multipart_remove_part: - * @multipart: a CamelMultipart - * @part: the part to remove - * - * Removes @part from @multipart. - **/ -void -camel_multipart_remove_part (CamelMultipart *multipart, - CamelMimeBodyPart *part) -{ - g_return_if_fail (CAMEL_IS_MULTIPART (multipart)); - g_return_if_fail (CAMEL_IS_MIME_BODY_PART (part)); - - CMP_CLASS (multipart)->remove_part (multipart, part); -} - - -static CamelMimeBodyPart * -remove_part_at (CamelMultipart *multipart, guint index) -{ - GList *parts_list; - GList *part_to_remove; - CamelMimeBodyPart *removed_body_part; - - if (!(multipart->parts)) - return NULL; - - parts_list = multipart->parts; - part_to_remove = g_list_nth (parts_list, index); - if (!part_to_remove) { - g_warning ("CamelMultipart::remove_part_at: " - "part to remove is NULL\n"); - return NULL; - } - removed_body_part = CAMEL_MIME_BODY_PART (part_to_remove->data); - - multipart->parts = g_list_remove_link (parts_list, part_to_remove); - if (part_to_remove->data) - gtk_object_unref (GTK_OBJECT (part_to_remove->data)); - g_list_free_1 (part_to_remove); - - return removed_body_part; -} - -/** - * camel_multipart_remove_part_at: - * @multipart: a CamelMultipart - * @index: a zero-based index indicating the part to remove - * - * Remove the indicated part from the multipart object. - * - * Return value: the removed part. Note that it is gtk_object_unref()ed - * before being returned, which may cause it to be destroyed. - **/ -CamelMimeBodyPart * -camel_multipart_remove_part_at (CamelMultipart *multipart, guint index) -{ - g_return_val_if_fail (CAMEL_IS_MULTIPART (multipart), NULL); - - return CMP_CLASS (multipart)->remove_part_at (multipart, index); -} - - -static CamelMimeBodyPart * -get_part (CamelMultipart *multipart, guint index) -{ - GList *part; - - if (!(multipart->parts)) - return NULL; - - part = g_list_nth (multipart->parts, index); - if (part) - return CAMEL_MIME_BODY_PART (part->data); - else - return NULL; -} - -/** - * camel_multipart_get_part: - * @multipart: a CamelMultipart - * @index: a zero-based index indicating the part to get - * - * Return value: the indicated subpart, or %NULL - **/ -CamelMimeBodyPart * -camel_multipart_get_part (CamelMultipart *multipart, guint index) -{ - g_return_val_if_fail (CAMEL_IS_MULTIPART (multipart), NULL); - - return CMP_CLASS (multipart)->get_part (multipart, index); -} - - -static guint -get_number (CamelMultipart *multipart) -{ - return g_list_length (multipart->parts); -} - -/** - * camel_multipart_get_number: - * @multipart: a CamelMultipart - * - * Return value: the number of subparts in @multipart - **/ -guint -camel_multipart_get_number (CamelMultipart *multipart) -{ - g_return_val_if_fail (CAMEL_IS_MULTIPART (multipart), 0); - - return CMP_CLASS (multipart)->get_number (multipart); -} - - -static void -set_parent (CamelMultipart *multipart, CamelMimePart *parent) -{ - multipart->parent = parent; - if (parent) - gtk_object_ref (GTK_OBJECT (parent)); -} - -/** - * camel_multipart_set_parent: - * @multipart: a CamelMultipart - * @parent: the CamelMimePart that is @multipart's parent - * - * Sets the parent of @multipart. - **/ -void -camel_multipart_set_parent (CamelMultipart *multipart, CamelMimePart *parent) -{ - g_return_if_fail (CAMEL_IS_MULTIPART (multipart)); - g_return_if_fail (CAMEL_IS_MIME_PART (parent)); - - CMP_CLASS (multipart)->set_parent (multipart, parent); -} - - -static CamelMimePart * -get_parent (CamelMultipart *multipart) -{ - return multipart->parent; -} - -/** - * camel_multipart_get_parent: - * @multipart: a CamelMultipart - * - * Return value: @multipart's parent part - **/ -CamelMimePart * -camel_multipart_get_parent (CamelMultipart *multipart) -{ - g_return_val_if_fail (CAMEL_IS_MULTIPART (multipart), NULL); - - return CMP_CLASS (multipart)->get_parent (multipart); -} - - - -static void -set_boundary (CamelMultipart *multipart, gchar *boundary) -{ - CamelDataWrapper *cdw = CAMEL_DATA_WRAPPER (multipart); - - g_return_if_fail (cdw->mime_type != NULL); - - gmime_content_field_set_parameter (cdw->mime_type, "boundary", - boundary); -} - -/** - * camel_multipart_set_boundary: - * @multipart: a CamelMultipart - * @boundary: the message boundary - * - * Sets the message boundary for @multipart to @boundary. This should - * be a string which does not occur anywhere in any of @multipart's - * subparts. - **/ -void -camel_multipart_set_boundary (CamelMultipart *multipart, gchar *boundary) -{ - g_return_if_fail (CAMEL_IS_MULTIPART (multipart)); - g_return_if_fail (boundary != NULL); - - CMP_CLASS (multipart)->set_boundary (multipart, boundary); -} - - -static const gchar * -get_boundary (CamelMultipart *multipart) -{ - CamelDataWrapper *cdw = CAMEL_DATA_WRAPPER (multipart); - - g_return_val_if_fail (cdw->mime_type != NULL, NULL); - return gmime_content_field_get_parameter (cdw->mime_type, "boundary"); -} - -/** - * camel_multipart_get_boundary: - * @multipart: a CamelMultipart - * - * Return value: @multipart's message boundary - **/ -const gchar * -camel_multipart_get_boundary (CamelMultipart *multipart) -{ - return CMP_CLASS (multipart)->get_boundary (multipart); -} - - -struct print_part_user_data { - CamelStream *stream; - const gchar *boundary; -}; - -static void -print_part (gpointer data, gpointer user_data) -{ - CamelMimeBodyPart *body_part = CAMEL_MIME_BODY_PART (data); - struct print_part_user_data *ud = user_data; - - if (ud->boundary) - camel_stream_write_strings (ud->stream, "\n--", - ud->boundary, "\n", NULL); - else camel_stream_write_strings (ud->stream, "\n--\n", NULL); - camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (body_part), - ud->stream); -} - -static void -write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelMultipart *multipart = CAMEL_MULTIPART (data_wrapper); - struct print_part_user_data ud; - const gchar *boundary; - - /* get the bundary text */ - boundary = camel_multipart_get_boundary (multipart); - - /* we cannot write a multipart without a boundary string */ - g_return_if_fail (boundary); - - /* - * write the preface text (usually something like - * "This is a mime message, if you see this, then - * your mail client probably doesn't support ...." - */ - if (multipart->preface) - camel_stream_write_strings (stream, multipart->preface, NULL); - - /* - * Now, write all the parts, separated by the boundary - * delimiter - */ - ud.boundary = boundary; - ud.stream = stream; - if (boundary && (boundary[0] == '\0')) - g_warning ("Multipart boundary is zero length\n"); - g_list_foreach (multipart->parts, print_part, (gpointer)&ud); - - /* write the terminating boudary delimiter */ - camel_stream_write_strings (stream, "\n--", boundary, "--\n", NULL); - - /* and finally the postface */ - if (multipart->postface) - camel_stream_write_strings (stream, multipart->postface, NULL); -} - - -/** - * separate_part: separate one part in a multipart environement. - * @stream: the stream to read the lines from. - * @normal_boundary: end of part bundary. - * @end_boundary: end of multipart boundary. - * @end_position: end position of the mime part - * - * This routine is a bit special: RFC 2046 says that, in a multipart - * environment, the last CRLF before a boundary belongs to the boundary. - * Thus, if there is no blank line before the boundary, the last CRLF - * of the last line of the part is removed. - * - * Return value: %TRUE if the last boundary element has been found or - * if no more data was available from the stream, %FALSE otherwise - **/ -static gboolean -separate_part (CamelStream *stream, gchar *normal_boundary, - gchar *end_boundary, guint32 *end_position) -{ - gchar *new_line = NULL; - gboolean end_of_part = FALSE; - gboolean last_part = FALSE; - guint32 last_position; - - /* Note for future enhancements */ - /* RFC 2046 specifies that when parsing the content of a - * multipart element, the program should not assume it will - * find the last boundary, and in particular, if the message - * is damaged during transport, the parsing should still be - * OK. - */ - - last_position = camel_seekable_stream_get_current_position ( - CAMEL_SEEKABLE_STREAM (stream)); - new_line = gmime_read_line_from_stream (stream); - - while (new_line && !end_of_part && !last_part) { - end_of_part = (strcmp (new_line, normal_boundary) == 0); - last_part = (strcmp (new_line, end_boundary) == 0); - if (!end_of_part && !last_part) { - g_free (new_line); - - last_position = - camel_seekable_stream_get_current_position ( - CAMEL_SEEKABLE_STREAM (stream)); - - new_line = gmime_read_line_from_stream (stream); - } - } - - if (new_line) - g_free (new_line); - else - last_part = TRUE; - - *end_position = last_position; - - return last_part; -} - - -static void -set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelMultipart *multipart = CAMEL_MULTIPART (data_wrapper); - CamelSeekableStream *seekable_stream = CAMEL_SEEKABLE_STREAM (stream); - const gchar *boundary; - gchar *real_boundary_line; - gchar *end_boundary_line; - gboolean end_of_multipart; - CamelMimeBodyPart *body_part; - guint32 part_begining, part_end; - CamelSeekableSubstream *body_part_input_stream; - guint32 saved_stream_pos; - - /* Call parent class implementation. */ - parent_class->set_input_stream (data_wrapper, stream); - - boundary = camel_multipart_get_boundary (multipart); - g_return_if_fail (boundary); - - real_boundary_line = g_strdup_printf ("--%s", boundary); - end_boundary_line = g_strdup_printf ("--%s--", boundary); - - /* Read the prefix, if any. */ - end_of_multipart = separate_part (stream, real_boundary_line, - end_boundary_line, &part_end); - if (multipart->preface) - g_free (multipart->preface); - - /* Read all the real parts. */ - while (!end_of_multipart) { - /* Determine the position of the begining of the part. */ - part_begining = camel_seekable_stream_get_current_position (seekable_stream); - - body_part = camel_mime_body_part_new (); - - end_of_multipart = separate_part (stream, real_boundary_line, - end_boundary_line, - &part_end); - body_part_input_stream = CAMEL_SEEKABLE_SUBSTREAM ( - camel_seekable_substream_new_with_seekable_stream_and_bounds (seekable_stream, - part_begining, - part_end)); - - /* The seekable substream may change the position of - * the stream so we must save it before calling - * set_input_stream. - */ - saved_stream_pos = camel_seekable_stream_get_current_position (seekable_stream); - camel_data_wrapper_set_input_stream (CAMEL_DATA_WRAPPER (body_part), - CAMEL_STREAM (body_part_input_stream)); - - /* restore the stream position */ - camel_seekable_stream_seek (seekable_stream, saved_stream_pos, CAMEL_STREAM_SET); - - /* add the body part to the multipart object */ - camel_multipart_add_part (multipart, body_part); - } - - /* g_string_assign (new_part, ""); */ - /* my_localize_part (new_part, stream, real_boundary_line, end_boundary_line); */ - - if (multipart->postface) g_free (multipart->postface); - /* if ( (new_part->str)[0] != '\0') multipart->postface = g_strdup (new_part->str); */ - - /* g_string_free (new_part, TRUE); */ - - g_free (real_boundary_line); - g_free (end_boundary_line); -} - -/* multi_part */ -static void -construct_from_parser(CamelDataWrapper *dw, CamelMimeParser *mp) -{ - CamelDataWrapper *bodypart; - char *buf; - int len; - - d(printf("constructing multipart\n")); - - /* get/set boundary? */ - - while (camel_mime_parser_step(mp, &buf, &len) != HSCAN_MULTIPART_END) { - camel_mime_parser_unstep(mp); - bodypart = (CamelDataWrapper *)camel_mime_body_part_new(); - camel_data_wrapper_construct_from_parser(bodypart, mp); - camel_multipart_add_part((CamelMultipart *)dw, (CamelMimeBodyPart *)bodypart); - } -} |