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175615bdfdbed2e00c6dc7c5597ca8b3ee49e1ca
evolution/mail/em-utils.c
Milan Crha 8ea9f96f8b Prefer g_output_stream_write_all() over g_output_stream_write() 
Just to make sure that all data had been written, while the later
can finish successfully without actually write all the data it was
requested to write.
2015-02-09 14:53:37 +01:00

1509 lines
37 KiB
C
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/*
* 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.
*
* 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "em-utils.h"
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <time.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#ifdef G_OS_WIN32
/* Work around namespace clobbage in <windows.h> */
#define DATADIR windows_DATADIR
#include <windows.h>
#undef DATADIR
#endif
#include <libebook/libebook.h>
#include <shell/e-shell.h>
#include <em-format/e-mail-parser.h>
#include <em-format/e-mail-formatter-quote.h>
#include "e-mail-printer.h"
#include "e-mail-tag-editor.h"
#include "em-composer-utils.h"
#include "em-filter-editor.h"
/* How many is too many? */
/* Used in em_util_ask_open_many() */
#define TOO_MANY 10
#define d(x)
gboolean
em_utils_ask_open_many (GtkWindow *parent,
gint how_many)
{
gchar *string;
gboolean proceed;
if (how_many < TOO_MANY)
return TRUE;
string = g_strdup_printf (ngettext (
/* Translators: This message is shown only for ten or more
* messages to be opened. The %d is replaced with the actual
* count of messages. If you need a '%' in your text, then
* write it doubled, like '%%'. */
"Are you sure you want to open %d message at once?",
"Are you sure you want to open %d messages at once?",
how_many), how_many);
proceed = em_utils_prompt_user (
parent, "prompt-on-open-many",
"mail:ask-open-many", string, NULL);
g_free (string);
return proceed;
}
/**
* em_utils_prompt_user:
* @parent: parent window
* @promptkey: settings key to check if we should prompt the user or not.
* @tag: e_alert tag.
*
* Convenience function to query the user with a Yes/No dialog and a
* "Do not show this dialog again" checkbox. If the user checks that
* checkbox, then @promptkey is set to %FALSE, otherwise it is set to
* %TRUE.
*
* Returns %TRUE if the user clicks Yes or %FALSE otherwise.
**/
gboolean
em_utils_prompt_user (GtkWindow *parent,
const gchar *promptkey,
const gchar *tag,
...)
{
GtkWidget *dialog;
GtkWidget *check = NULL;
GtkWidget *container;
va_list ap;
gint button;
GSettings *settings;
EAlert *alert = NULL;
settings = e_util_ref_settings ("org.gnome.evolution.mail");
if (promptkey && !g_settings_get_boolean (settings, promptkey)) {
g_object_unref (settings);
return TRUE;
}
va_start (ap, tag);
alert = e_alert_new_valist (tag, ap);
va_end (ap);
dialog = e_alert_dialog_new (parent, alert);
g_object_unref (alert);
container = e_alert_dialog_get_content_area (E_ALERT_DIALOG (dialog));
if (promptkey) {
check = gtk_check_button_new_with_mnemonic (
_("_Do not show this message again"));
gtk_box_pack_start (
GTK_BOX (container), check, FALSE, FALSE, 0);
gtk_widget_show (check);
}
button = gtk_dialog_run (GTK_DIALOG (dialog));
if (promptkey)
g_settings_set_boolean (
settings, promptkey,
!gtk_toggle_button_get_active (
GTK_TOGGLE_BUTTON (check)));
gtk_widget_destroy (dialog);
g_object_unref (settings);
return button == GTK_RESPONSE_YES;
}
/* Editing Filters/Search Folders... */
static GtkWidget *filter_editor = NULL;
static void
em_filter_editor_response (GtkWidget *dialog,
gint button,
gpointer user_data)
{
EMFilterContext *fc;
if (button == GTK_RESPONSE_OK) {
const gchar *config_dir;
gchar *user;
config_dir = mail_session_get_config_dir ();
fc = g_object_get_data ((GObject *) dialog, "context");
user = g_build_filename (config_dir, "filters.xml", NULL);
e_rule_context_save ((ERuleContext *) fc, user);
g_free (user);
}
gtk_widget_destroy (dialog);
filter_editor = NULL;
}
static EMFilterSource em_filter_source_element_names[] = {
{ "incoming", },
{ "outgoing", },
{ NULL }
};
/**
* em_utils_edit_filters:
* @session: an #EMailSession
* @alert_sink: an #EAlertSink
* @parent_window: a parent #GtkWindow
*
* Opens or raises the filters editor dialog so that the user may edit
* his/her filters. If @parent is non-NULL, then the dialog will be
* created as a child window of @parent's toplevel window.
**/
void
em_utils_edit_filters (EMailSession *session,
EAlertSink *alert_sink,
GtkWindow *parent_window)
{
const gchar *config_dir;
gchar *user, *system;
EMFilterContext *fc;
g_return_if_fail (E_IS_MAIL_SESSION (session));
g_return_if_fail (E_IS_ALERT_SINK (alert_sink));
if (filter_editor) {
gtk_window_present (GTK_WINDOW (filter_editor));
return;
}
config_dir = mail_session_get_config_dir ();
fc = em_filter_context_new (session);
user = g_build_filename (config_dir, "filters.xml", NULL);
system = g_build_filename (EVOLUTION_PRIVDATADIR, "filtertypes.xml", NULL);
e_rule_context_load ((ERuleContext *) fc, system, user);
g_free (user);
g_free (system);
if (((ERuleContext *) fc)->error) {
e_alert_submit (
alert_sink,
"mail:filter-load-error",
((ERuleContext *) fc)->error, NULL);
return;
}
if (em_filter_source_element_names[0].name == NULL) {
em_filter_source_element_names[0].name = _("Incoming");
em_filter_source_element_names[1].name = _("Outgoing");
}
filter_editor = (GtkWidget *) em_filter_editor_new (
fc, em_filter_source_element_names);
if (GTK_IS_WINDOW (parent_window))
gtk_window_set_transient_for (
GTK_WINDOW (filter_editor), parent_window);
gtk_window_set_title (
GTK_WINDOW (filter_editor), _("Message Filters"));
g_object_set_data_full (
G_OBJECT (filter_editor), "context", fc,
(GDestroyNotify) g_object_unref);
g_signal_connect (
filter_editor, "response",
G_CALLBACK (em_filter_editor_response), NULL);
gtk_widget_show (GTK_WIDGET (filter_editor));
}
/*
* Picked this from e-d-s/libedataserver/e-data.
* But it allows more characters to occur in filenames, especially
* when saving attachment.
*/
void
em_filename_make_safe (gchar *string)
{
gchar *p, *ts;
gunichar c;
#ifdef G_OS_WIN32
const gchar *unsafe_chars = "/\":*?<>|\\#";
#else
const gchar *unsafe_chars = "/#";
#endif
g_return_if_fail (string != NULL);
p = string;
while (p && *p) {
c = g_utf8_get_char (p);
ts = p;
p = g_utf8_next_char (p);
/* I wonder what this code is supposed to actually
* achieve, and whether it does that as currently
* written?
*/
if (!g_unichar_isprint (c) || (c < 0xff && strchr (unsafe_chars, c&0xff))) {
while (ts < p)
*ts++ = '_';
}
}
}
/* ********************************************************************** */
/* Flag-for-Followup... */
/**
* em_utils_flag_for_followup:
* @reader: an #EMailReader
* @folder: folder containing messages to flag
* @uids: uids of messages to flag
*
* Open the Flag-for-Followup editor for the messages specified by
* @folder and @uids.
**/
void
em_utils_flag_for_followup (EMailReader *reader,
CamelFolder *folder,
GPtrArray *uids)
{
EMailDisplay *display;
GtkWidget *editor;
GtkWindow *window;
CamelTag *tags;
gint i;
g_return_if_fail (E_IS_MAIL_READER (reader));
g_return_if_fail (CAMEL_IS_FOLDER (folder));
g_return_if_fail (uids != NULL);
window = e_mail_reader_get_window (reader);
editor = e_mail_tag_editor_new ();
gtk_window_set_transient_for (GTK_WINDOW (editor), window);
for (i = 0; i < uids->len; i++) {
CamelMessageInfo *info;
info = camel_folder_get_message_info (folder, uids->pdata[i]);
if (info == NULL)
continue;
e_mail_tag_editor_add_message (
E_MAIL_TAG_EDITOR (editor),
camel_message_info_from (info),
camel_message_info_subject (info));
camel_message_info_unref (info);
}
/* special-case... */
if (uids->len == 1) {
CamelMessageInfo *info;
const gchar *message_uid;
message_uid = g_ptr_array_index (uids, 0);
info = camel_folder_get_message_info (folder, message_uid);
if (info) {
tags = (CamelTag *) camel_message_info_user_tags (info);
if (tags)
e_mail_tag_editor_set_tag_list (
E_MAIL_TAG_EDITOR (editor), tags);
camel_message_info_unref (info);
}
}
if (gtk_dialog_run (GTK_DIALOG (editor)) != GTK_RESPONSE_OK)
goto exit;
tags = e_mail_tag_editor_get_tag_list (E_MAIL_TAG_EDITOR (editor));
if (tags == NULL)
goto exit;
camel_folder_freeze (folder);
for (i = 0; i < uids->len; i++) {
CamelMessageInfo *info;
CamelTag *iter;
info = camel_folder_get_message_info (folder, uids->pdata[i]);
if (info == NULL)
continue;
for (iter = tags; iter != NULL; iter = iter->next)
camel_message_info_set_user_tag (
info, iter->name, iter->value);
camel_message_info_unref (info);
}
camel_folder_thaw (folder);
camel_tag_list_free (&tags);
display = e_mail_reader_get_mail_display (reader);
e_mail_display_reload (display);
exit:
gtk_widget_destroy (GTK_WIDGET (editor));
}
/**
* em_utils_flag_for_followup_clear:
* @parent: parent window
* @folder: folder containing messages to unflag
* @uids: uids of messages to unflag
*
* Clears the Flag-for-Followup flag on the messages referenced by
* @folder and @uids.
**/
void
em_utils_flag_for_followup_clear (GtkWindow *parent,
CamelFolder *folder,
GPtrArray *uids)
{
gint i;
g_return_if_fail (GTK_IS_WINDOW (parent));
g_return_if_fail (CAMEL_IS_FOLDER (folder));
g_return_if_fail (uids != NULL);
camel_folder_freeze (folder);
for (i = 0; i < uids->len; i++) {
CamelMessageInfo *mi = camel_folder_get_message_info (folder, uids->pdata[i]);
if (mi) {
camel_message_info_set_user_tag (mi, "follow-up", NULL);
camel_message_info_set_user_tag (mi, "due-by", NULL);
camel_message_info_set_user_tag (mi, "completed-on", NULL);
camel_message_info_unref (mi);
}
}
camel_folder_thaw (folder);
}
/**
* em_utils_flag_for_followup_completed:
* @parent: parent window
* @folder: folder containing messages to 'complete'
* @uids: uids of messages to 'complete'
*
* Sets the completed state (and date/time) for each message
* referenced by @folder and @uids that is marked for
* Flag-for-Followup.
**/
void
em_utils_flag_for_followup_completed (GtkWindow *parent,
CamelFolder *folder,
GPtrArray *uids)
{
gchar *now;
gint i;
g_return_if_fail (GTK_IS_WINDOW (parent));
g_return_if_fail (CAMEL_IS_FOLDER (folder));
g_return_if_fail (uids != NULL);
now = camel_header_format_date (time (NULL), 0);
camel_folder_freeze (folder);
for (i = 0; i < uids->len; i++) {
const gchar *tag;
CamelMessageInfo *mi = camel_folder_get_message_info (folder, uids->pdata[i]);
if (mi) {
tag = camel_message_info_user_tag (mi, "follow-up");
if (tag && tag[0])
camel_message_info_set_user_tag (mi, "completed-on", now);
camel_message_info_unref (mi);
}
}
camel_folder_thaw (folder);
g_free (now);
}
/* This kind of sucks, because for various reasons most callers need to run
* synchronously in the gui thread, however this could take a long, blocking
* time to run. */
static gint
em_utils_write_messages_to_stream (CamelFolder *folder,
GPtrArray *uids,
CamelStream *stream)
{
CamelStream *filtered_stream;
CamelMimeFilter *from_filter;
gint i, res = 0;
from_filter = camel_mime_filter_from_new ();
filtered_stream = camel_stream_filter_new (stream);
camel_stream_filter_add (
CAMEL_STREAM_FILTER (filtered_stream), from_filter);
g_object_unref (from_filter);
for (i = 0; i < uids->len; i++) {
CamelMimeMessage *message;
gchar *from;
/* FIXME camel_folder_get_message_sync() may block. */
message = camel_folder_get_message_sync (
folder, uids->pdata[i], NULL, NULL);
if (message == NULL) {
res = -1;
break;
}
/* We need to flush after each stream write since we are
* writing to the same stream. */
from = camel_mime_message_build_mbox_from (message);
if (camel_stream_write_string (stream, from, NULL, NULL) == -1
|| camel_stream_flush (stream, NULL, NULL) == -1
|| camel_data_wrapper_write_to_stream_sync (
(CamelDataWrapper *) message, (CamelStream *)
filtered_stream, NULL, NULL) == -1
|| camel_stream_flush (
(CamelStream *) filtered_stream, NULL, NULL) == -1)
res = -1;
g_free (from);
g_object_unref (message);
if (res == -1)
break;
}
g_object_unref (filtered_stream);
return res;
}
static gboolean
em_utils_print_messages_to_file (CamelFolder *folder,
const gchar *uid,
const gchar *filename)
{
EMailParser *parser;
EMailPartList *parts_list;
CamelMimeMessage *message;
CamelStore *parent_store;
CamelSession *session;
gboolean success = FALSE;
message = camel_folder_get_message_sync (folder, uid, NULL, NULL);
if (message == NULL)
return FALSE;
parent_store = camel_folder_get_parent_store (folder);
session = camel_service_ref_session (CAMEL_SERVICE (parent_store));
parser = e_mail_parser_new (session);
/* XXX em_utils_selection_set_urilist() is synchronous,
* so this function has to be synchronous as well.
* That means potentially blocking for awhile. */
parts_list = e_mail_parser_parse_sync (
parser, folder, uid, message, NULL);
if (parts_list != NULL) {
EAsyncClosure *closure;
GAsyncResult *result;
EMailPrinter *printer;
GtkPrintOperationResult print_result;
printer = e_mail_printer_new (parts_list);
e_mail_printer_set_export_filename (printer, filename);
closure = e_async_closure_new ();
e_mail_printer_print (
printer, GTK_PRINT_OPERATION_ACTION_EXPORT,
NULL, NULL, e_async_closure_callback, closure);
result = e_async_closure_wait (closure);
print_result = e_mail_printer_print_finish (
printer, result, NULL);
e_async_closure_free (closure);
g_object_unref (printer);
g_object_unref (parts_list);
success = (print_result != GTK_PRINT_OPERATION_RESULT_ERROR);
}
g_object_unref (parser);
g_object_unref (session);
return success;
}
/* This kind of sucks, because for various reasons most callers need to run
* synchronously in the gui thread, however this could take a long, blocking
* time to run. */
static gint
em_utils_read_messages_from_stream (CamelFolder *folder,
CamelStream *stream)
{
CamelMimeParser *mp = camel_mime_parser_new ();
gboolean success = TRUE;
camel_mime_parser_scan_from (mp, TRUE);
camel_mime_parser_init_with_stream (mp, stream, NULL);
while (camel_mime_parser_step (mp, NULL, NULL) == CAMEL_MIME_PARSER_STATE_FROM) {
CamelMimeMessage *msg;
/* NB: de-from filter, once written */
msg = camel_mime_message_new ();
if (!camel_mime_part_construct_from_parser_sync (
(CamelMimePart *) msg, mp, NULL, NULL)) {
g_object_unref (msg);
break;
}
/* FIXME camel_folder_append_message_sync() may block. */
success = camel_folder_append_message_sync (
folder, msg, NULL, NULL, NULL, NULL);
g_object_unref (msg);
if (!success)
break;
camel_mime_parser_step (mp, NULL, NULL);
}
g_object_unref (mp);
return success ? 0 : -1;
}
/**
* em_utils_selection_set_mailbox:
* @data: selection data
* @folder: folder containign messages to copy into the selection
* @uids: uids of the messages to copy into the selection
*
* Creates a mailbox-format selection.
* Warning: Could be BIG!
* Warning: This could block the ui for an extended period.
**/
void
em_utils_selection_set_mailbox (GtkSelectionData *data,
CamelFolder *folder,
GPtrArray *uids)
{
GByteArray *byte_array;
CamelStream *stream;
GdkAtom target;
target = gtk_selection_data_get_target (data);
byte_array = g_byte_array_new ();
stream = camel_stream_mem_new_with_byte_array (byte_array);
if (em_utils_write_messages_to_stream (folder, uids, stream) == 0)
gtk_selection_data_set (
data, target, 8,
byte_array->data, byte_array->len);
g_object_unref (stream);
}
/**
* em_utils_selection_get_mailbox:
* @selection_data: selection data
* @folder:
*
* Receive a mailbox selection/dnd
* Warning: Could be BIG!
* Warning: This could block the ui for an extended period.
* FIXME: Exceptions?
**/
void
em_utils_selection_get_mailbox (GtkSelectionData *selection_data,
CamelFolder *folder)
{
CamelStream *stream;
const guchar *data;
gint length;
data = gtk_selection_data_get_data (selection_data);
length = gtk_selection_data_get_length (selection_data);
if (data == NULL || length == -1)
return;
/* TODO: a stream mem with read-only access to existing data? */
/* NB: Although copying would let us run this async ... which it should */
stream = (CamelStream *)
camel_stream_mem_new_with_buffer ((gchar *) data, length);
em_utils_read_messages_from_stream (folder, stream);
g_object_unref (stream);
}
/**
* em_utils_selection_get_message:
* @selection_data:
* @folder:
*
* get a message/rfc822 data.
**/
void
em_utils_selection_get_message (GtkSelectionData *selection_data,
CamelFolder *folder)
{
CamelStream *stream;
CamelMimeMessage *msg;
const guchar *data;
gint length;
data = gtk_selection_data_get_data (selection_data);
length = gtk_selection_data_get_length (selection_data);
if (data == NULL || length == -1)
return;
stream = (CamelStream *)
camel_stream_mem_new_with_buffer ((gchar *) data, length);
msg = camel_mime_message_new ();
if (camel_data_wrapper_construct_from_stream_sync (
(CamelDataWrapper *) msg, stream, NULL, NULL))
/* FIXME camel_folder_append_message_sync() may block. */
camel_folder_append_message_sync (
folder, msg, NULL, NULL, NULL, NULL);
g_object_unref (msg);
g_object_unref (stream);
}
/**
* em_utils_selection_set_uidlist:
* @selection_data: selection data
* @folder:
* @uids:
*
* Sets a "x-uid-list" format selection data.
**/
void
em_utils_selection_set_uidlist (GtkSelectionData *selection_data,
CamelFolder *folder,
GPtrArray *uids)
{
GByteArray *array = g_byte_array_new ();
GdkAtom target;
gchar *folder_uri;
gint ii;
/* format: "uri1\0uid1\0uri2\0uid2\0...\0urin\0uidn\0" */
if (CAMEL_IS_VEE_FOLDER (folder) &&
CAMEL_IS_VEE_STORE (camel_folder_get_parent_store (folder))) {
CamelVeeFolder *vfolder = CAMEL_VEE_FOLDER (folder);
CamelFolder *real_folder;
CamelMessageInfo *info;
gchar *real_uid;
for (ii = 0; ii < uids->len; ii++) {
info = camel_folder_get_message_info (folder, uids->pdata[ii]);
if (!info) {
g_warn_if_reached ();
continue;
}
real_folder = camel_vee_folder_get_location (
vfolder, (CamelVeeMessageInfo *) info, &real_uid);
if (real_folder) {
folder_uri = e_mail_folder_uri_from_folder (real_folder);
g_byte_array_append (array, (guchar *) folder_uri, strlen (folder_uri) + 1);
g_byte_array_append (array, (guchar *) real_uid, strlen (real_uid) + 1);
g_free (folder_uri);
}
camel_message_info_unref (info);
}
} else {
folder_uri = e_mail_folder_uri_from_folder (folder);
for (ii = 0; ii < uids->len; ii++) {
g_byte_array_append (array, (guchar *) folder_uri, strlen (folder_uri) + 1);
g_byte_array_append (array, uids->pdata[ii], strlen (uids->pdata[ii]) + 1);
}
g_free (folder_uri);
}
target = gtk_selection_data_get_target (selection_data);
gtk_selection_data_set (
selection_data, target, 8, array->data, array->len);
g_byte_array_free (array, TRUE);
}
/**
* em_utils_selection_get_uidlist:
* @data: selection data
* @session: an #EMailSession
* @move: do we delete the messages.
*
* Convert a uid list into a copy/move operation.
*
* Warning: Could take some time to run.
**/
void
em_utils_selection_get_uidlist (GtkSelectionData *selection_data,
EMailSession *session,
CamelFolder *dest,
gint move,
GCancellable *cancellable,
GError **error)
{
/* format: "uri1\0uid1\0uri2\0uid2\0...\0urin\0uidn\0" */
gchar *inptr, *inend;
GPtrArray *items;
CamelFolder *folder;
const guchar *data;
gint length, ii;
GHashTable *uids_by_uri;
GHashTableIter iter;
gpointer key, value;
GError *local_error = NULL;
g_return_if_fail (selection_data != NULL);
g_return_if_fail (E_IS_MAIL_SESSION (session));
data = gtk_selection_data_get_data (selection_data);
length = gtk_selection_data_get_length (selection_data);
if (data == NULL || length == -1)
return;
items = g_ptr_array_new ();
g_ptr_array_set_free_func (items, (GDestroyNotify) g_free);
inptr = (gchar *) data;
inend = (gchar *) (data + length);
while (inptr < inend) {
gchar *start = inptr;
while (inptr < inend && *inptr)
inptr++;
g_ptr_array_add (items, g_strndup (start, inptr - start));
inptr++;
}
if (items->len == 0) {
g_ptr_array_unref (items);
return;
}
uids_by_uri = g_hash_table_new (g_str_hash, g_str_equal);
for (ii = 0; ii < items->len - 1; ii += 2) {
gchar *uri, *uid;
GPtrArray *uids;
uri = items->pdata[ii];
uid = items->pdata[ii + 1];
uids = g_hash_table_lookup (uids_by_uri, uri);
if (!uids) {
uids = g_ptr_array_new ();
g_hash_table_insert (uids_by_uri, uri, uids);
}
/* reuse uid pointer from uids, do not strdup it */
g_ptr_array_add (uids, uid);
}
g_hash_table_iter_init (&iter, uids_by_uri);
while (g_hash_table_iter_next (&iter, &key, &value)) {
const gchar *uri = key;
GPtrArray *uids = value;
if (!local_error) {
/* FIXME e_mail_session_uri_to_folder_sync() may block. */
folder = e_mail_session_uri_to_folder_sync (
session, uri, 0, cancellable, &local_error);
if (folder) {
/* FIXME camel_folder_transfer_messages_to_sync() may block. */
camel_folder_transfer_messages_to_sync (
folder, uids, dest, move, NULL, cancellable, &local_error);
g_object_unref (folder);
}
}
g_ptr_array_free (uids, TRUE);
}
g_hash_table_destroy (uids_by_uri);
g_ptr_array_unref (items);
if (local_error)
g_propagate_error (error, local_error);
}
static gchar *
em_utils_build_export_basename (CamelFolder *folder,
const gchar *uid,
const gchar *extension)
{
CamelMessageInfo *info;
gchar *basename;
const gchar *subject = NULL;
struct tm *ts;
time_t reftime;
gchar datetmp[15];
reftime = time (NULL);
/* Try to get the drop filename from the message or folder. */
info = camel_folder_get_message_info (folder, uid);
if (info != NULL) {
subject = camel_message_info_subject (info);
reftime = camel_message_info_date_sent (info);
}
ts = localtime (&reftime);
strftime (datetmp, sizeof (datetmp), "%Y%m%d%H%M%S", ts);
if (subject == NULL || *subject == '\0')
subject = "Untitled Message";
if (extension == NULL)
extension = "";
basename = g_strdup_printf ("%s_%s%s", datetmp, subject, extension);
if (info != NULL)
camel_message_info_unref (info);
return basename;
}
/**
* em_utils_selection_set_urilist:
* @data:
* @folder:
* @uids:
*
* Set the selection data @data to a uri which points to a file, which is
* a berkely mailbox format mailbox. The file is automatically cleaned
* up when the application quits.
**/
void
em_utils_selection_set_urilist (GtkSelectionData *data,
CamelFolder *folder,
GPtrArray *uids)
{
gchar *tmpdir;
gchar *uri;
gint fd;
GSettings *settings;
gchar *save_file_format;
gboolean save_as_mbox;
g_return_if_fail (uids != NULL);
/* can be 0 with empty folders */
if (!uids->len)
return;
tmpdir = e_mkdtemp ("drag-n-drop-XXXXXX");
if (tmpdir == NULL)
return;
settings = e_util_ref_settings ("org.gnome.evolution.mail");
/* Save format is mbox unless pdf is explicitly requested. */
save_file_format = g_settings_get_string (
settings, "drag-and-drop-save-file-format");
save_as_mbox = (g_strcmp0 (save_file_format, "pdf") != 0);
g_free (save_file_format);
g_object_unref (settings);
if (save_as_mbox) {
CamelStream *fstream;
gchar *basename;
gchar *filename;
if (uids->len > 1) {
basename = g_strdup_printf (
_("Messages from %s"),
camel_folder_get_display_name (folder));
} else {
basename = em_utils_build_export_basename (
folder, uids->pdata[0], NULL);
}
e_filename_make_safe (basename);
filename = g_build_filename (tmpdir, basename, NULL);
g_free (basename);
fd = g_open (
filename,
O_WRONLY | O_CREAT | O_EXCL | O_BINARY, 0666);
if (fd == -1) {
g_free (filename);
goto exit;
}
uri = g_filename_to_uri (filename, NULL, NULL);
fstream = camel_stream_fs_new_with_fd (fd);
if (fstream != NULL) {
if (em_utils_write_messages_to_stream (folder, uids, fstream) == 0) {
GdkAtom type;
gchar *uri_crlf;
/* terminate with \r\n to be compliant with the spec */
uri_crlf = g_strconcat (uri, "\r\n", NULL);
type = gtk_selection_data_get_target (data);
gtk_selection_data_set (
data, type, 8,
(guchar *) uri_crlf,
strlen (uri_crlf));
g_free (uri_crlf);
}
g_object_unref (fstream);
} else
close (fd);
g_free (filename);
g_free (uri);
} else { /* save as pdf */
gchar **uris;
guint n_uris = 0;
guint ii;
uris = g_new0 (gchar *, uids->len + 1);
for (ii = 0; ii < uids->len; ii++) {
gchar *basename;
gchar *filename;
gboolean success;
basename = em_utils_build_export_basename (
folder, uids->pdata[ii], ".pdf");
e_filename_make_safe (basename);
filename = g_build_filename (tmpdir, basename, NULL);
g_free (basename);
/* validity test */
fd = g_open (
filename,
O_WRONLY | O_CREAT | O_EXCL | O_BINARY, 0666);
if (fd == -1) {
g_strfreev (uris);
g_free (filename);
goto exit;
}
close (fd);
/* export */
success = em_utils_print_messages_to_file (
folder, uids->pdata[ii], filename);
if (success) {
/* terminate with \r\n to be compliant with the spec */
uri = g_filename_to_uri (filename, NULL, NULL);
uris[n_uris++] = g_strconcat (uri, "\r\n", NULL);
g_free (uri);
}
g_free (filename);
}
gtk_selection_data_set_uris (data, uris);
g_strfreev (uris);
}
exit:
g_free (tmpdir);
/* the 'fd' from the 'save_as_mbox' part is freed within the 'fstream' */
/* coverity[leaked_handle] */
}
/**
* em_utils_selection_get_urilist:
* @data:
* @folder:
* @uids:
*
* Get the selection data @data from a uri list which points to a
* file, which is a berkely mailbox format mailbox. The file is
* automatically cleaned up when the application quits.
**/
void
em_utils_selection_get_urilist (GtkSelectionData *selection_data,
CamelFolder *folder)
{
CamelStream *stream;
CamelURL *url;
gint fd, i, res = 0;
gchar **uris;
d (printf (" * drop uri list\n"));
uris = gtk_selection_data_get_uris (selection_data);
for (i = 0; res == 0 && uris[i]; i++) {
g_strstrip (uris[i]);
if (uris[i][0] == '#')
continue;
url = camel_url_new (uris[i], NULL);
if (url == NULL)
continue;
/* 'fd', if set, is freed within the 'stream' */
/* coverity[overwrite_var] */
if (strcmp (url->protocol, "file") == 0
&& (fd = g_open (url->path, O_RDONLY | O_BINARY, 0)) != -1) {
stream = camel_stream_fs_new_with_fd (fd);
if (stream) {
res = em_utils_read_messages_from_stream (folder, stream);
g_object_unref (stream);
} else
close (fd);
}
camel_url_free (url);
}
g_strfreev (uris);
/* 'fd', if set, is freed within the 'stream' */
/* coverity[leaked_handle] */
}
/* ********************************************************************** */
static gboolean
is_only_text_part_in_this_level (GList *parts,
EMailPart *text_html_part)
{
const gchar *text_html_part_id;
const gchar *dot;
gint level_len;
GList *iter;
g_return_val_if_fail (parts != NULL, FALSE);
g_return_val_if_fail (text_html_part != NULL, FALSE);
text_html_part_id = e_mail_part_get_id (text_html_part);
dot = strrchr (text_html_part_id, '.');
if (!dot)
return FALSE;
level_len = dot - text_html_part_id;
for (iter = parts; iter; iter = iter->next) {
EMailPart *part = E_MAIL_PART (iter->data);
const gchar *mime_type;
const gchar *part_id;
if (part == NULL)
continue;
if (part == text_html_part)
continue;
if (part->is_hidden)
continue;
if (e_mail_part_get_is_attachment (part))
continue;
mime_type = e_mail_part_get_mime_type (part);
if (mime_type == NULL)
continue;
part_id = e_mail_part_get_id (part);
dot = strrchr (part_id, '.');
if (dot - part_id != level_len ||
strncmp (text_html_part_id, part_id, level_len) != 0)
continue;
if (g_ascii_strncasecmp (mime_type, "text/", 5) == 0)
return FALSE;
}
return TRUE;
}
/**
* em_utils_message_to_html:
* @session: a #CamelSession
* @message:
* @credits:
* @flags: EMFormatQuote flags
* @source:
* @append: Text to append, can be NULL.
* @validity_found: if not NULL, then here will be set what validities
* had been found during message conversion. Value is a bit OR
* of EM_FORMAT_VALIDITY_FOUND_* constants.
*
* Convert a message to html, quoting if the @credits attribution
* string is given.
*
* Return value: The html version as a NULL terminated string.
**/
gchar *
em_utils_message_to_html (CamelSession *session,
CamelMimeMessage *message,
const gchar *credits,
guint32 flags,
EMailPartList *parts_list,
const gchar *prepend,
const gchar *append,
EMailPartValidityFlags *validity_found)
{
EMailFormatter *formatter;
EMailParser *parser = NULL;
GOutputStream *stream;
EShell *shell;
GtkWindow *window;
EMailPart *hidden_text_html_part = NULL;
EMailPartValidityFlags is_validity_found = 0;
gsize n_bytes_written = 0;
GQueue queue = G_QUEUE_INIT;
GList *head, *link;
gchar *data;
shell = e_shell_get_default ();
window = e_shell_get_active_window (shell);
g_return_val_if_fail (CAMEL_IS_SESSION (session), NULL);
stream = g_memory_output_stream_new_resizable ();
formatter = e_mail_formatter_quote_new (credits, flags);
e_mail_formatter_update_style (formatter,
gtk_widget_get_state_flags (GTK_WIDGET (window)));
if (parts_list == NULL) {
GSettings *settings;
gchar *charset;
/* FIXME We should be getting this from the
* current view, not the global setting. */
settings = e_util_ref_settings ("org.gnome.evolution.mail");
charset = g_settings_get_string (settings, "charset");
if (charset && *charset)
e_mail_formatter_set_default_charset (formatter, charset);
g_object_unref (settings);
g_free (charset);
parser = e_mail_parser_new (session);
parts_list = e_mail_parser_parse_sync (parser, NULL, NULL, message, NULL);
} else {
g_object_ref (parts_list);
}
/* Return all found validities and possibly show hidden prefer-plain part */
e_mail_part_list_queue_parts (parts_list, NULL, &queue);
head = g_queue_peek_head_link (&queue);
for (link = head; link != NULL; link = g_list_next (link)) {
EMailPart *part = link->data;
const gchar *mime_type;
mime_type = e_mail_part_get_mime_type (part);
/* prefer-plain can hide HTML parts, even when it's the only
* text part in the email, thus show it (and hide again later) */
if (part->is_hidden && !hidden_text_html_part &&
mime_type != NULL &&
!e_mail_part_get_is_attachment (part) &&
g_ascii_strcasecmp (mime_type, "text/html") == 0 &&
is_only_text_part_in_this_level (head, part)) {
part->is_hidden = FALSE;
hidden_text_html_part = part;
}
is_validity_found |= e_mail_part_get_validity_flags (part);
}
while (!g_queue_is_empty (&queue))
g_object_unref (g_queue_pop_head (&queue));
if (validity_found != NULL)
*validity_found = is_validity_found;
if (prepend != NULL && *prepend != '\0')
g_output_stream_write_all (
stream, prepend, strlen (prepend), NULL, NULL, NULL);
e_mail_formatter_format_sync (
formatter, parts_list, stream, 0,
E_MAIL_FORMATTER_MODE_PRINTING, NULL);
g_object_unref (formatter);
if (hidden_text_html_part != NULL)
hidden_text_html_part->is_hidden = TRUE;
g_object_unref (parts_list);
if (parser != NULL)
g_object_unref (parser);
if (append != NULL && *append != '\0')
g_output_stream_write_all (
stream, append, strlen (append), NULL, NULL, NULL);
g_output_stream_write_all (stream, "", 1, &n_bytes_written, NULL, NULL);
g_output_stream_close (stream, NULL, NULL);
data = g_memory_output_stream_steal_data (
G_MEMORY_OUTPUT_STREAM (stream));
g_object_unref (stream);
return data;
}
/* ********************************************************************** */
/**
* em_utils_empty_trash:
* @parent: parent window
* @session: an #EMailSession
*
* Empties all Trash folders.
**/
void
em_utils_empty_trash (GtkWidget *parent,
EMailSession *session)
{
ESourceRegistry *registry;
GList *list, *link;
g_return_if_fail (E_IS_MAIL_SESSION (session));
registry = e_mail_session_get_registry (session);
if (!em_utils_prompt_user ((GtkWindow *) parent,
"prompt-on-empty-trash",
"mail:ask-empty-trash", NULL))
return;
list = camel_session_list_services (CAMEL_SESSION (session));
for (link = list; link != NULL; link = g_list_next (link)) {
CamelProvider *provider;
CamelService *service;
ESource *source;
const gchar *uid;
gboolean enabled = TRUE;
service = CAMEL_SERVICE (link->data);
provider = camel_service_get_provider (service);
uid = camel_service_get_uid (service);
if (!CAMEL_IS_STORE (service))
continue;
if ((provider->flags & CAMEL_PROVIDER_IS_STORAGE) == 0)
continue;
source = e_source_registry_ref_source (registry, uid);
if (source != NULL) {
enabled = e_source_registry_check_enabled (
registry, source);
g_object_unref (source);
}
if (enabled)
mail_empty_trash (CAMEL_STORE (service));
}
g_list_free_full (list, (GDestroyNotify) g_object_unref);
}
/* ********************************************************************** */
gchar *
em_utils_url_unescape_amp (const gchar *url)
{
gchar *buff;
gint i, j, amps;
if (!url)
return NULL;
amps = 0;
for (i = 0; url[i]; i++) {
if (url[i] == '&' && strncmp (url + i, "&amp;", 5) == 0)
amps++;
}
buff = g_strdup (url);
if (!amps)
return buff;
for (i = 0, j = 0; url[i]; i++, j++) {
buff[j] = url[i];
if (url[i] == '&' && strncmp (url + i, "&amp;", 5) == 0)
i += 4;
}
buff[j] = 0;
return buff;
}
void
emu_restore_folder_tree_state (EMFolderTree *folder_tree)
{
EShell *shell;
EShellBackend *backend;
GKeyFile *key_file;
const gchar *config_dir;
gchar *filename;
g_return_if_fail (folder_tree != NULL);
g_return_if_fail (EM_IS_FOLDER_TREE (folder_tree));
shell = e_shell_get_default ();
backend = e_shell_get_backend_by_name (shell, "mail");
g_return_if_fail (backend != NULL);
config_dir = e_shell_backend_get_config_dir (backend);
g_return_if_fail (config_dir != NULL);
filename = g_build_filename (config_dir, "state.ini", NULL);
key_file = g_key_file_new ();
g_key_file_load_from_file (key_file, filename, 0, NULL);
g_free (filename);
em_folder_tree_restore_state (folder_tree, key_file);
g_key_file_free (key_file);
}
static gboolean
check_prefix (const gchar *subject,
const gchar *prefix,
gint *skip_len)
{
gint plen;
g_return_val_if_fail (subject != NULL, FALSE);
g_return_val_if_fail (prefix != NULL, FALSE);
g_return_val_if_fail (*prefix, FALSE);
g_return_val_if_fail (skip_len != NULL, FALSE);
plen = strlen (prefix);
if (g_ascii_strncasecmp (subject, prefix, plen) != 0)
return FALSE;
if (g_ascii_strncasecmp (subject + plen, ": ", 2) == 0) {
*skip_len = plen + 2;
return TRUE;
}
if (g_ascii_strncasecmp (subject + plen, " : ", 3) == 0) {
*skip_len = plen + 3;
return TRUE;
}
return FALSE;
}
gboolean
em_utils_is_re_in_subject (const gchar *subject,
gint *skip_len,
const gchar * const *use_prefixes_strv)
{
gchar **prefixes_strv;
gboolean res;
gint ii;
g_return_val_if_fail (subject != NULL, FALSE);
g_return_val_if_fail (skip_len != NULL, FALSE);
*skip_len = -1;
if (strlen (subject) < 3)
return FALSE;
if (check_prefix (subject, "Re", skip_len))
return TRUE;
if (use_prefixes_strv) {
prefixes_strv = (gchar **) use_prefixes_strv;
} else {
GSettings *settings;
gchar *prefixes;
settings = e_util_ref_settings ("org.gnome.evolution.mail");
prefixes = g_settings_get_string (settings, "composer-localized-re");
g_object_unref (settings);
if (!prefixes || !*prefixes) {
g_free (prefixes);
return FALSE;
}
prefixes_strv = g_strsplit (prefixes, ",", -1);
g_free (prefixes);
}
if (!prefixes_strv)
return FALSE;
res = FALSE;
for (ii = 0; !res && prefixes_strv[ii]; ii++) {
const gchar *prefix = prefixes_strv[ii];
if (*prefix)
res = check_prefix (subject, prefix, skip_len);
}
if (!use_prefixes_strv)
g_strfreev (prefixes_strv);
return res;
}
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