diff options
Diffstat (limited to 'em-format/e-mail-parser-application-mbox.c')
-rw-r--r-- | em-format/e-mail-parser-application-mbox.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/em-format/e-mail-parser-application-mbox.c b/em-format/e-mail-parser-application-mbox.c new file mode 100644 index 0000000000..c396c48416 --- /dev/null +++ b/em-format/e-mail-parser-application-mbox.c @@ -0,0 +1,213 @@ +/* + * e-mail-parser-application-mbox.c + * + * This program 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 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-mail-format-extensions.h" + +#include <glib-object.h> +#include <glib/gi18n-lib.h> + +#include <em-format/e-mail-parser-extension.h> +#include <em-format/e-mail-parser.h> +#include <em-format/e-mail-part-utils.h> +#include <e-util/e-util.h> + +#include <camel/camel.h> + +#include <string.h> + +typedef struct _EMailParserApplicationMBox { + GObject parent; +} EMailParserApplicationMBox; + +typedef struct _EMailParserApplicationMBoxClass { + GObjectClass parent_class; +} EMailParserApplicationMBoxClass; + +static void e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface); +static void e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface); + +G_DEFINE_TYPE_EXTENDED ( + EMailParserApplicationMBox, + e_mail_parser_application_mbox, + G_TYPE_OBJECT, + 0, + G_IMPLEMENT_INTERFACE ( + E_TYPE_MAIL_EXTENSION, + e_mail_parser_mail_extension_interface_init) + G_IMPLEMENT_INTERFACE ( + E_TYPE_MAIL_PARSER_EXTENSION, + e_mail_parser_parser_extension_interface_init)); + +static const gchar* parser_mime_types[] = { "application/mbox", + NULL }; + +static GSList * +empe_app_mbox_parse (EMailParserExtension *extension, + EMailParser *parser, + CamelMimePart *part, + GString *part_id, + GCancellable *cancellable) +{ + CamelMimeParser *mime_parser; + CamelStream *mem_stream; + camel_mime_parser_state_t state; + gint old_len; + gint messages; + GSList *parts; + GError *error; + + if (g_cancellable_is_cancelled (cancellable)) + return NULL; + + /* Extract messages from the application/mbox part and + * render them as a flat list of messages. */ + + /* XXX If the mbox has multiple messages, maybe render them + * as a multipart/digest so each message can be expanded + * or collapsed individually. + * + * See attachment_handler_mail_x_uid_list() for example. */ + + /* XXX This is based on em_utils_read_messages_from_stream(). + * Perhaps refactor that function to return an array of + * messages instead of assuming we want to append them + * to a folder? */ + + mime_parser = camel_mime_parser_new (); + camel_mime_parser_scan_from (mime_parser, TRUE); + + mem_stream = camel_stream_mem_new (); + camel_data_wrapper_decode_to_stream_sync ( + camel_medium_get_content (CAMEL_MEDIUM (part)), + mem_stream, NULL, NULL); + g_seekable_seek (G_SEEKABLE (mem_stream), 0, G_SEEK_SET, cancellable, NULL); + + error = NULL; + camel_mime_parser_init_with_stream (mime_parser, mem_stream, &error); + if (error) { + parts = e_mail_parser_error (parser, cancellable, + _("Error parsing MBOX part: %s"), + error->message ? + error->message : + _("Unknown error")); + g_clear_error (&error); + g_object_unref (mem_stream); + g_object_unref (mime_parser); + return parts; + } + + g_object_unref (mem_stream); + + old_len = part_id->len; + + /* Extract messages from the mbox. */ + messages = 0; + state = camel_mime_parser_step (mime_parser, NULL, NULL); + + parts = NULL; + while (state == CAMEL_MIME_PARSER_STATE_FROM) { + CamelMimeMessage *message; + CamelMimePart *opart; + GSList *new_parts; + + message = camel_mime_message_new (); + opart = CAMEL_MIME_PART (message); + + if (!camel_mime_part_construct_from_parser_sync ( + opart, mime_parser, NULL, NULL)) { + g_object_unref (message); + break; + } + + g_string_append_printf (part_id, ".mbox.%d", messages); + + new_parts = e_mail_parser_parse_part_as ( + parser, CAMEL_MIME_PART (message), + part_id, "message/rfc822", cancellable); + + /* Wrap every message as attachment */ + new_parts = e_mail_parser_wrap_as_attachment ( + parser, CAMEL_MIME_PART (message), + new_parts, part_id, cancellable); + + /* Inline all messages in mbox */ + if (new_parts && new_parts->data) { + EMailPart *p = new_parts->data; + + p->force_inline = TRUE; + } + + parts = g_slist_concat (parts, new_parts); + + g_string_truncate (part_id, old_len); + + g_object_unref (message); + + /* Skip past CAMEL_MIME_PARSER_STATE_FROM_END. */ + camel_mime_parser_step (mime_parser, NULL, NULL); + + state = camel_mime_parser_step (mime_parser, NULL, NULL); + + messages++; + } + + g_object_unref (mime_parser); + + return parts; +} + +static guint32 +empe_app_mbox_get_flags (EMailParserExtension *extension) +{ + return E_MAIL_PARSER_EXTENSION_INLINE | + E_MAIL_PARSER_EXTENSION_COMPOUND_TYPE; +} + +static const gchar ** +empe_app_mbox_mime_types (EMailExtension *extension) +{ + return parser_mime_types; +} + +static void +e_mail_parser_application_mbox_class_init (EMailParserApplicationMBoxClass *klass) +{ + e_mail_parser_application_mbox_parent_class = g_type_class_peek_parent (klass); +} + +static void +e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *interface) +{ + interface->parse = empe_app_mbox_parse; + interface->get_flags = empe_app_mbox_get_flags; +} + +static void +e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *interface) +{ + interface->mime_types = empe_app_mbox_mime_types; +} + +static void +e_mail_parser_application_mbox_init (EMailParserApplicationMBox *self) +{ +} |