diff options
Diffstat (limited to 'camel/providers/nntp/camel-nntp-folder.c')
| -rw-r--r-- | camel/providers/nntp/camel-nntp-folder.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/camel/providers/nntp/camel-nntp-folder.c b/camel/providers/nntp/camel-nntp-folder.c deleted file mode 100644 index de0f4cd222..0000000000 --- a/camel/providers/nntp/camel-nntp-folder.c +++ /dev/null @@ -1,533 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-nntp-folder.c : Class for a news folder - * - * Authors : Chris Toshok <toshok@ximian.com> - * Michael Zucchi <notzed@ximian.com> - * - * Copyright (C) 2001-2003 Ximian, Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU 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 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 - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <dirent.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> - -#include "camel/camel-file-utils.h" -#include "camel/camel-stream-mem.h" -#include "camel/camel-data-wrapper.h" -#include "camel/camel-mime-message.h" -#include "camel/camel-folder-search.h" -#include "camel/camel-exception.h" -#include "camel/camel-session.h" -#include "camel/camel-data-cache.h" - -#include "camel/camel-mime-filter-crlf.h" -#include "camel/camel-stream-filter.h" -#include "camel/camel-mime-message.h" -#include "camel/camel-multipart.h" -#include "camel/camel-mime-part.h" -#include "camel/camel-stream-buffer.h" -#include "camel/camel-i18n.h" -#include "camel/camel-private.h" - -#include "camel-nntp-summary.h" -#include "camel-nntp-store.h" -#include "camel-nntp-folder.h" -#include "camel-nntp-store.h" -#include "camel-nntp-private.h" - -static CamelFolderClass *folder_class = NULL; -static CamelDiscoFolderClass *parent_class = NULL; - -/* Returns the class for a CamelNNTPFolder */ -#define CNNTPF_CLASS(so) CAMEL_NNTP_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CNNTPS_CLASS(so) CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -void -camel_nntp_folder_selected(CamelNNTPFolder *folder, char *line, CamelException *ex) -{ - camel_nntp_summary_check((CamelNNTPSummary *)((CamelFolder *)folder)->summary, - (CamelNNTPStore *)((CamelFolder *)folder)->parent_store, - line, folder->changes, ex); -} - -static void -nntp_folder_refresh_info_online (CamelFolder *folder, CamelException *ex) -{ - CamelNNTPStore *nntp_store; - CamelFolderChangeInfo *changes = NULL; - CamelNNTPFolder *nntp_folder; - char *line; - - nntp_store = (CamelNNTPStore *) folder->parent_store; - nntp_folder = (CamelNNTPFolder *) folder; - - CAMEL_SERVICE_LOCK(nntp_store, connect_lock); - - camel_nntp_command(nntp_store, ex, nntp_folder, &line, NULL); - - if (camel_folder_change_info_changed(nntp_folder->changes)) { - changes = nntp_folder->changes; - nntp_folder->changes = camel_folder_change_info_new(); - } - - CAMEL_SERVICE_UNLOCK(nntp_store, connect_lock); - - if (changes) { - camel_object_trigger_event ((CamelObject *) folder, "folder_changed", changes); - camel_folder_change_info_free (changes); - } -} - -static void -nntp_folder_sync_online (CamelFolder *folder, CamelException *ex) -{ - CAMEL_SERVICE_LOCK(folder->parent_store, connect_lock); - camel_folder_summary_save (folder->summary); - CAMEL_SERVICE_UNLOCK(folder->parent_store, connect_lock); -} - -static void -nntp_folder_sync_offline (CamelFolder *folder, CamelException *ex) -{ - CAMEL_SERVICE_LOCK(folder->parent_store, connect_lock); - camel_folder_summary_save (folder->summary); - CAMEL_SERVICE_UNLOCK(folder->parent_store, connect_lock); -} - -static gboolean -nntp_folder_set_message_flags (CamelFolder *folder, const char *uid, guint32 flags, guint32 set) -{ - return ((CamelFolderClass *) folder_class)->set_message_flags (folder, uid, flags, set); -} - -static CamelStream * -nntp_folder_download_message (CamelNNTPFolder *nntp_folder, const char *id, const char *msgid, CamelException *ex) -{ - CamelNNTPStore *nntp_store = (CamelNNTPStore *) ((CamelFolder *) nntp_folder)->parent_store; - CamelStream *stream = NULL; - int ret; - char *line; - - ret = camel_nntp_command (nntp_store, ex, nntp_folder, &line, "article %s", id); - if (ret == 220) { - stream = camel_data_cache_add (nntp_store->cache, "cache", msgid, NULL); - if (stream) { - if (camel_stream_write_to_stream ((CamelStream *) nntp_store->stream, stream) == -1) - goto fail; - if (camel_stream_reset (stream) == -1) - goto fail; - } else { - stream = (CamelStream *) nntp_store->stream; - camel_object_ref (stream); - } - } else if (ret == 423 || ret == 430) { - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message %s: %s"), msgid, line); - } else if (ret != -1) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot get message %s: %s"), msgid, line); - } - - return stream; - - fail: - if (errno == EINTR) - camel_exception_setv (ex, CAMEL_EXCEPTION_USER_CANCEL, _("User cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot get message %s: %s"), msgid, g_strerror (errno)); - - return NULL; -} - - -static void -nntp_folder_cache_message (CamelDiscoFolder *disco_folder, const char *uid, CamelException *ex) -{ - CamelNNTPStore *nntp_store = (CamelNNTPStore *)((CamelFolder *) disco_folder)->parent_store; - CamelStream *stream; - char *article, *msgid; - - article = alloca(strlen(uid)+1); - strcpy(article, uid); - msgid = strchr(article, ','); - if (!msgid) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Internal error: uid in invalid format: %s"), uid); - return; - } - *msgid++ = 0; - - CAMEL_SERVICE_LOCK(nntp_store, connect_lock); - - stream = nntp_folder_download_message ((CamelNNTPFolder *) disco_folder, article, msgid, ex); - if (stream) - camel_object_unref (stream); - - CAMEL_SERVICE_UNLOCK(nntp_store, connect_lock); -} - -static CamelMimeMessage * -nntp_folder_get_message (CamelFolder *folder, const char *uid, CamelException *ex) -{ - CamelMimeMessage *message = NULL; - CamelNNTPStore *nntp_store; - CamelFolderChangeInfo *changes; - CamelNNTPFolder *nntp_folder; - CamelStream *stream = NULL; - char *article, *msgid; - - nntp_store = (CamelNNTPStore *) folder->parent_store; - nntp_folder = (CamelNNTPFolder *) folder; - - article = alloca(strlen(uid)+1); - strcpy(article, uid); - msgid = strchr (article, ','); - if (msgid == NULL) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Internal error: uid in invalid format: %s"), uid); - return NULL; - } - *msgid++ = 0; - - CAMEL_SERVICE_LOCK(nntp_store, connect_lock); - - /* Lookup in cache, NEWS is global messageid's so use a global cache path */ - stream = camel_data_cache_get (nntp_store->cache, "cache", msgid, NULL); - if (stream == NULL) { - if (camel_disco_store_status ((CamelDiscoStore *) nntp_store) == CAMEL_DISCO_STORE_OFFLINE) { - camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("This message is not currently available")); - goto fail; - } - - stream = nntp_folder_download_message (nntp_folder, article, msgid, ex); - if (stream == NULL) - goto fail; - } - - message = camel_mime_message_new (); - if (camel_data_wrapper_construct_from_stream ((CamelDataWrapper *) message, stream) == -1) { - if (errno == EINTR) - camel_exception_setv (ex, CAMEL_EXCEPTION_USER_CANCEL, _("User cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot get message %s: %s"), uid, g_strerror (errno)); - camel_object_unref(message); - message = NULL; - } - - camel_object_unref (stream); -fail: - if (camel_folder_change_info_changed (nntp_folder->changes)) { - changes = nntp_folder->changes; - nntp_folder->changes = camel_folder_change_info_new (); - } else { - changes = NULL; - } - - CAMEL_SERVICE_UNLOCK(nntp_store, connect_lock); - - if (changes) { - camel_object_trigger_event ((CamelObject *) folder, "folder_changed", changes); - camel_folder_change_info_free (changes); - } - - return message; -} - -static GPtrArray* -nntp_folder_search_by_expression (CamelFolder *folder, const char *expression, CamelException *ex) -{ - CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (folder); - GPtrArray *matches; - - CAMEL_NNTP_FOLDER_LOCK(nntp_folder, search_lock); - - if (nntp_folder->search == NULL) - nntp_folder->search = camel_folder_search_new (); - - camel_folder_search_set_folder (nntp_folder->search, folder); - matches = camel_folder_search_search(nntp_folder->search, expression, NULL, ex); - - CAMEL_NNTP_FOLDER_UNLOCK(nntp_folder, search_lock); - - return matches; -} - -static GPtrArray * -nntp_folder_search_by_uids (CamelFolder *folder, const char *expression, GPtrArray *uids, CamelException *ex) -{ - CamelNNTPFolder *nntp_folder = (CamelNNTPFolder *) folder; - GPtrArray *matches; - - if (uids->len == 0) - return g_ptr_array_new(); - - CAMEL_NNTP_FOLDER_LOCK(folder, search_lock); - - if (nntp_folder->search == NULL) - nntp_folder->search = camel_folder_search_new (); - - camel_folder_search_set_folder (nntp_folder->search, folder); - matches = camel_folder_search_search(nntp_folder->search, expression, uids, ex); - - CAMEL_NNTP_FOLDER_UNLOCK(folder, search_lock); - - return matches; -} - -static void -nntp_folder_search_free (CamelFolder *folder, GPtrArray *result) -{ - CamelNNTPFolder *nntp_folder = CAMEL_NNTP_FOLDER (folder); - - camel_folder_search_free_result (nntp_folder->search, result); -} - -static void -nntp_folder_append_message_online (CamelFolder *folder, CamelMimeMessage *mime_message, - const CamelMessageInfo *info, char **appended_uid, - CamelException *ex) -{ - CamelNNTPStore *nntp_store = (CamelNNTPStore *) folder->parent_store; - CamelStream *stream = (CamelStream*)nntp_store->stream; - CamelStreamFilter *filtered_stream; - CamelMimeFilter *crlffilter; - int ret; - unsigned int u; - struct _camel_header_raw *header, *savedhdrs, *n, *tail; - char *group, *line; - - CAMEL_SERVICE_LOCK(nntp_store, connect_lock); - - /* send 'POST' command */ - ret = camel_nntp_command (nntp_store, ex, NULL, &line, "post"); - if (ret != 340) { - if (ret == 440) - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INSUFFICIENT_PERMISSION, - _("Posting failed: %s"), line); - else if (ret != -1) - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("Posting failed: %s"), line); - CAMEL_SERVICE_UNLOCK(nntp_store, connect_lock); - return; - } - - /* the 'Newsgroups: ' header */ - group = g_strdup_printf ("Newsgroups: %s\r\n", folder->full_name); - - /* setup stream filtering */ - crlffilter = camel_mime_filter_crlf_new (CAMEL_MIME_FILTER_CRLF_ENCODE, CAMEL_MIME_FILTER_CRLF_MODE_CRLF_DOTS); - filtered_stream = camel_stream_filter_new_with_stream (stream); - camel_stream_filter_add (filtered_stream, crlffilter); - camel_object_unref (crlffilter); - - /* remove mail 'To', 'CC', and 'BCC' headers */ - savedhdrs = NULL; - tail = (struct _camel_header_raw *) &savedhdrs; - - header = (struct _camel_header_raw *) &CAMEL_MIME_PART (mime_message)->headers; - n = header->next; - while (n != NULL) { - if (!g_ascii_strcasecmp (n->name, "To") || !g_ascii_strcasecmp (n->name, "Cc") || !g_ascii_strcasecmp (n->name, "Bcc")) { - header->next = n->next; - tail->next = n; - n->next = NULL; - tail = n; - } else { - header = n; - } - - n = header->next; - } - - /* write the message */ - if (camel_stream_write(stream, group, strlen(group)) == -1 - || camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (mime_message), CAMEL_STREAM (filtered_stream)) == -1 - || camel_stream_flush (CAMEL_STREAM (filtered_stream)) == -1 - || camel_stream_write (stream, "\r\n.\r\n", 5) == -1 - || (ret = camel_nntp_stream_line (nntp_store->stream, (unsigned char **)&line, &u)) == -1) { - if (errno == EINTR) - camel_exception_setv (ex, CAMEL_EXCEPTION_USER_CANCEL, _("User cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Posting failed: %s"), g_strerror (errno)); - } else if (atoi(line) != 240) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Posting failed: %s"), line); - } - - camel_object_unref (filtered_stream); - g_free(group); - header->next = savedhdrs; - - CAMEL_SERVICE_UNLOCK(nntp_store, connect_lock); - - return; -} - -static void -nntp_folder_append_message_offline (CamelFolder *folder, CamelMimeMessage *mime_message, - const CamelMessageInfo *info, char **appended_uid, - CamelException *ex) -{ - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("You cannot post NNTP messages while working offline!")); -} - -/* I do not know what to do this exactly. Looking at the IMAP implementation for this, it - seems to assume the message is copied to a folder on the same store. In that case, an - NNTP implementation doesn't seem to make any sense. */ -static void -nntp_folder_transfer_message (CamelFolder *source, GPtrArray *uids, CamelFolder *dest, - GPtrArray **transferred_uids, gboolean delete_orig, CamelException *ex) -{ - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("You cannot copy messages from a NNTP folder!")); -} - -static void -nntp_folder_init (CamelNNTPFolder *nntp_folder, CamelNNTPFolderClass *klass) -{ - struct _CamelNNTPFolderPrivate *p; - - nntp_folder->changes = camel_folder_change_info_new (); - p = nntp_folder->priv = g_malloc0 (sizeof (*nntp_folder->priv)); - p->search_lock = g_mutex_new (); - p->cache_lock = g_mutex_new (); -} - -static void -nntp_folder_finalise (CamelNNTPFolder *nntp_folder) -{ - struct _CamelNNTPFolderPrivate *p; - - camel_folder_summary_save (((CamelFolder*) nntp_folder)->summary); - - p = nntp_folder->priv; - g_mutex_free (p->search_lock); - g_mutex_free (p->cache_lock); - g_free (p); -} - -static void -nntp_folder_class_init (CamelNNTPFolderClass *camel_nntp_folder_class) -{ - CamelDiscoFolderClass *camel_disco_folder_class = CAMEL_DISCO_FOLDER_CLASS (camel_nntp_folder_class); - CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS (camel_nntp_folder_class); - - parent_class = CAMEL_DISCO_FOLDER_CLASS (camel_type_get_global_classfuncs (camel_disco_folder_get_type ())); - folder_class = CAMEL_FOLDER_CLASS (camel_type_get_global_classfuncs (camel_folder_get_type ())); - - /* virtual method definition */ - - /* virtual method overload */ - camel_disco_folder_class->sync_online = nntp_folder_sync_online; - camel_disco_folder_class->sync_resyncing = nntp_folder_sync_offline; - camel_disco_folder_class->sync_offline = nntp_folder_sync_offline; - camel_disco_folder_class->cache_message = nntp_folder_cache_message; - camel_disco_folder_class->append_online = nntp_folder_append_message_online; - camel_disco_folder_class->append_resyncing = nntp_folder_append_message_online; - camel_disco_folder_class->append_offline = nntp_folder_append_message_offline; - camel_disco_folder_class->transfer_online = nntp_folder_transfer_message; - camel_disco_folder_class->transfer_resyncing = nntp_folder_transfer_message; - camel_disco_folder_class->transfer_offline = nntp_folder_transfer_message; - camel_disco_folder_class->refresh_info_online = nntp_folder_refresh_info_online; - - camel_folder_class->set_message_flags = nntp_folder_set_message_flags; - camel_folder_class->get_message = nntp_folder_get_message; - camel_folder_class->search_by_expression = nntp_folder_search_by_expression; - camel_folder_class->search_by_uids = nntp_folder_search_by_uids; - camel_folder_class->search_free = nntp_folder_search_free; -} - -CamelType -camel_nntp_folder_get_type (void) -{ - static CamelType camel_nntp_folder_type = CAMEL_INVALID_TYPE; - - if (camel_nntp_folder_type == CAMEL_INVALID_TYPE) { - camel_nntp_folder_type = camel_type_register (CAMEL_DISCO_FOLDER_TYPE, "CamelNNTPFolder", - sizeof (CamelNNTPFolder), - sizeof (CamelNNTPFolderClass), - (CamelObjectClassInitFunc) nntp_folder_class_init, - NULL, - (CamelObjectInitFunc) nntp_folder_init, - (CamelObjectFinalizeFunc) nntp_folder_finalise); - } - - return camel_nntp_folder_type; -} - -CamelFolder * -camel_nntp_folder_new (CamelStore *parent, const char *folder_name, CamelException *ex) -{ - CamelFolder *folder; - CamelNNTPFolder *nntp_folder; - char *root; - CamelService *service; - CamelStoreInfo *si; - gboolean subscribed = TRUE; - - service = (CamelService *) parent; - root = camel_session_get_storage_path (service->session, service, ex); - if (root == NULL) - return NULL; - - /* If this doesn't work, stuff wont save, but let it continue anyway */ - camel_mkdir (root, 0777); - - folder = (CamelFolder *) camel_object_new (CAMEL_NNTP_FOLDER_TYPE); - nntp_folder = (CamelNNTPFolder *)folder; - - camel_folder_construct (folder, parent, folder_name, folder_name); - folder->folder_flags |= CAMEL_FOLDER_HAS_SUMMARY_CAPABILITY|CAMEL_FOLDER_HAS_SEARCH_CAPABILITY; - - nntp_folder->storage_path = g_build_filename (root, folder->full_name, NULL); - g_free (root); - - root = g_strdup_printf ("%s.cmeta", nntp_folder->storage_path); - camel_object_set(nntp_folder, NULL, CAMEL_OBJECT_STATE_FILE, root, NULL); - camel_object_state_read(nntp_folder); - g_free(root); - - root = g_strdup_printf("%s.ev-summary", nntp_folder->storage_path); - folder->summary = (CamelFolderSummary *) camel_nntp_summary_new (folder, root); - g_free(root); - camel_folder_summary_load (folder->summary); - - si = camel_store_summary_path ((CamelStoreSummary *) ((CamelNNTPStore*) parent)->summary, folder_name); - if (si) { - subscribed = (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) != 0; - camel_store_summary_info_free ((CamelStoreSummary *) ((CamelNNTPStore*) parent)->summary, si); - } - - if (subscribed) { - camel_folder_refresh_info(folder, ex); - if (camel_exception_is_set(ex)) { - camel_object_unref (folder); - folder = NULL; - } - } - - return folder; -} |