diff options
Diffstat (limited to 'camel/providers/nntp/camel-nntp-store.c')
| -rw-r--r-- | camel/providers/nntp/camel-nntp-store.c | 1148 |
1 files changed, 0 insertions, 1148 deletions
diff --git a/camel/providers/nntp/camel-nntp-store.c b/camel/providers/nntp/camel-nntp-store.c deleted file mode 100644 index 3b04f9505..000000000 --- a/camel/providers/nntp/camel-nntp-store.c +++ /dev/null @@ -1,1148 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * - * Copyright (C) 2001-2003 Ximian, Inc. <www.ximain.com> - * - * Authors: Christopher Toshok <toshok@ximian.com> - * Michael Zucchi <notzed@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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> -#include <dirent.h> -#include <errno.h> - -#include <camel/camel-url.h> -#include <camel/camel-string-utils.h> -#include <camel/camel-session.h> -#include <camel/camel-tcp-stream-raw.h> -#include <camel/camel-tcp-stream-ssl.h> - -#include <camel/camel-disco-store.h> -#include <camel/camel-disco-diary.h> - -#include "camel-nntp-summary.h" -#include "camel-nntp-store.h" -#include "camel-nntp-store-summary.h" -#include "camel-nntp-folder.h" -#include "camel-nntp-private.h" -#include "camel-nntp-resp-codes.h" - -#define w(x) -extern int camel_verbose_debug; -#define dd(x) (camel_verbose_debug?(x):0) - -#define NNTP_PORT 119 -#define NNTPS_PORT 563 - -#define DUMP_EXTENSIONS - -static CamelDiscoStoreClass *parent_class = NULL; -static CamelServiceClass *service_class = NULL; - -/* Returns the class for a CamelNNTPStore */ -#define CNNTPS_CLASS(so) CAMEL_NNTP_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CNNTPF_CLASS(so) CAMEL_NNTP_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -static void nntp_construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex); - - -static gboolean -nntp_can_work_offline(CamelDiscoStore *store) -{ - return TRUE; -} - -enum { - USE_SSL_NEVER, - USE_SSL_ALWAYS, - USE_SSL_WHEN_POSSIBLE -}; - -static gboolean -connect_to_server (CamelService *service, int ssl_mode, CamelException *ex) -{ - CamelNNTPStore *store = (CamelNNTPStore *) service; - CamelDiscoStore *disco_store = (CamelDiscoStore*) service; - CamelStream *tcp_stream; - gboolean retval = FALSE; - unsigned char *buf; - unsigned int len; - struct hostent *h; - int port, ret; - char *path; - - CAMEL_NNTP_STORE_LOCK(store, command_lock); - - /* setup store-wide cache */ - if (store->cache == NULL) { - if (store->storage_path == NULL) - goto fail; - - store->cache = camel_data_cache_new (store->storage_path, 0, ex); - if (store->cache == NULL) - goto fail; - - /* Default cache expiry - 2 weeks old, or not visited in 5 days */ - camel_data_cache_set_expire_age (store->cache, 60*60*24*14); - camel_data_cache_set_expire_access (store->cache, 60*60*24*5); - } - - if (!(h = camel_service_gethost (service, ex))) - goto fail; - - port = service->url->port ? service->url->port : NNTP_PORT; - -#ifdef HAVE_SSL - if (ssl_mode != USE_SSL_NEVER) { - port = service->url->port ? service->url->port : NNTPS_PORT; - tcp_stream = camel_tcp_stream_ssl_new (service->session, service->url->host, CAMEL_TCP_STREAM_SSL_ENABLE_SSL2 | CAMEL_TCP_STREAM_SSL_ENABLE_SSL3); - } else { - tcp_stream = camel_tcp_stream_raw_new (); - } -#else - tcp_stream = camel_tcp_stream_raw_new (); -#endif /* HAVE_SSL */ - - ret = camel_tcp_stream_connect (CAMEL_TCP_STREAM (tcp_stream), h, port); - camel_free_host (h); - if (ret == -1) { - if (errno == EINTR) - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, - _("Connection cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Could not connect to %s (port %d): %s"), - service->url->host, port, g_strerror (errno)); - - camel_object_unref (tcp_stream); - - goto fail; - } - - store->stream = (CamelNNTPStream *) camel_nntp_stream_new (tcp_stream); - camel_object_unref (tcp_stream); - - /* Read the greeting, if any. */ - if (camel_nntp_stream_line (store->stream, &buf, &len) == -1) { - if (errno == EINTR) - camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, - _("Connection cancelled")); - else - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_UNAVAILABLE, - _("Could not read greeting from %s: %s"), - service->url->host, g_strerror (errno)); - - camel_object_unref (store->stream); - store->stream = NULL; - - goto fail; - } - - len = strtoul (buf, (char **) &buf, 10); - if (len != 200 && len != 201) { - camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, - _("NNTP server %s returned error code %d: %s"), - service->url->host, len, buf); - - camel_object_unref (store->stream); - store->stream = NULL; - - goto fail; - } - - /* set 'reader' mode & ignore return code */ - if (camel_nntp_command (store, (char **) &buf, "mode reader") < 0 || - /* hack: inn seems to close connections if nothing is done within - the first ten seconds. a non-existent command is enough though */ - camel_nntp_command (store, (char **) &buf, "date") < 0) - goto fail; - - path = g_build_filename (store->storage_path, ".ev-journal", NULL); - disco_store->diary = camel_disco_diary_new (disco_store, path, ex); - g_free (path); - - retval = TRUE; - - fail: - CAMEL_NNTP_STORE_UNLOCK(store, command_lock); - return retval; -} - -static struct { - char *value; - int mode; -} ssl_options[] = { - { "", USE_SSL_ALWAYS }, - { "always", USE_SSL_ALWAYS }, - { "when-possible", USE_SSL_WHEN_POSSIBLE }, - { "never", USE_SSL_NEVER }, - { NULL, USE_SSL_NEVER }, -}; - -static gboolean -nntp_connect_online (CamelService *service, CamelException *ex) -{ -#ifdef HAVE_SSL - const char *use_ssl; - int i, ssl_mode; - - use_ssl = camel_url_get_param (service->url, "use_ssl"); - if (use_ssl) { - for (i = 0; ssl_options[i].value; i++) - if (!strcmp (ssl_options[i].value, use_ssl)) - break; - ssl_mode = ssl_options[i].mode; - } else - ssl_mode = USE_SSL_NEVER; - - if (ssl_mode == USE_SSL_ALWAYS) { - /* Connect via SSL */ - return connect_to_server (service, ssl_mode, ex); - } else if (ssl_mode == USE_SSL_WHEN_POSSIBLE) { - /* If the server supports SSL, use it */ - if (!connect_to_server (service, ssl_mode, ex)) { - if (camel_exception_get_id (ex) == CAMEL_EXCEPTION_SERVICE_UNAVAILABLE) { - /* The ssl port seems to be unavailable, fall back to plain NNTP */ - camel_exception_clear (ex); - return connect_to_server (service, USE_SSL_NEVER, ex); - } else { - return FALSE; - } - } - - return TRUE; - } else { - /* User doesn't care about SSL */ - return connect_to_server (service, ssl_mode, ex); - } -#else - return connect_to_server (service, USE_SSL_NEVER, ex); -#endif -} - -static gboolean -nntp_connect_offline (CamelService *service, CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(service); - CamelDiscoStore *disco_store = (CamelDiscoStore *) nntp_store; - char *path; - - if (nntp_store->storage_path == NULL) - return FALSE; - - /* setup store-wide cache */ - if (nntp_store->cache == NULL) { - nntp_store->cache = camel_data_cache_new (nntp_store->storage_path, 0, ex); - if (nntp_store->cache == NULL) - return FALSE; - - /* Default cache expiry - 2 weeks old, or not visited in 5 days */ - camel_data_cache_set_expire_age (nntp_store->cache, 60*60*24*14); - camel_data_cache_set_expire_access (nntp_store->cache, 60*60*24*5); - } - - path = g_build_filename (nntp_store->storage_path, ".ev-journal", NULL); - disco_store->diary = camel_disco_diary_new (disco_store, path, ex); - g_free (path); - - if (!disco_store->diary) - return FALSE; - - return TRUE; -} - -static gboolean -nntp_disconnect_online (CamelService *service, gboolean clean, CamelException *ex) -{ - CamelNNTPStore *store = CAMEL_NNTP_STORE (service); - char *line; - - CAMEL_NNTP_STORE_LOCK(store, command_lock); - - if (clean) - camel_nntp_command (store, &line, "quit"); - - if (!service_class->disconnect (service, clean, ex)) { - CAMEL_NNTP_STORE_UNLOCK(store, command_lock); - return FALSE; - } - - camel_object_unref (store->stream); - store->stream = NULL; - - CAMEL_NNTP_STORE_UNLOCK(store, command_lock); - - return TRUE; -} - -static gboolean -nntp_disconnect_offline (CamelService *service, gboolean clean, CamelException *ex) -{ - CamelDiscoStore *disco = CAMEL_DISCO_STORE(service); - - if (!service_class->disconnect (service, clean, ex)) - return FALSE; - - if (disco->diary) { - camel_object_unref (disco->diary); - disco->diary = NULL; - } - - return TRUE; -} - -static char * -nntp_store_get_name (CamelService *service, gboolean brief) -{ - if (brief) - return g_strdup_printf ("%s", service->url->host); - else - return g_strdup_printf (_("USENET News via %s"), service->url->host); - -} - -extern CamelServiceAuthType camel_nntp_password_authtype; - -static GList * -nntp_store_query_auth_types (CamelService *service, CamelException *ex) -{ - return g_list_append (NULL, &camel_nntp_password_authtype); -} - -static CamelFolder * -nntp_get_folder(CamelStore *store, const char *folder_name, guint32 flags, CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store); - CamelFolder *folder; - - CAMEL_NNTP_STORE_LOCK(nntp_store, command_lock); - - folder = camel_nntp_folder_new(store, folder_name, ex); - - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); - - return folder; -} - -/* - * Converts a fully-fledged newsgroup name to a name in short dotted notation, - * e.g. nl.comp.os.linux.programmeren becomes n.c.o.l.programmeren - */ - -static char * -nntp_newsgroup_name_short (const char *name) -{ - char *resptr, *tmp; - const char *ptr2; - - resptr = tmp = g_malloc0 (strlen (name) + 1); - - while ((ptr2 = strchr (name, '.'))) { - if (ptr2 == name) { - name++; - continue; - } - - *resptr++ = *name; - *resptr++ = '.'; - name = ptr2 + 1; - } - - strcpy (resptr, name); - return tmp; -} - -/* - * This function converts a NNTPStoreSummary item to a FolderInfo item that - * can be returned by the get_folders() call to the store. Both structs have - * essentially the same fields. - */ - -static CamelFolderInfo * -nntp_folder_info_from_store_info (CamelNNTPStore *store, gboolean short_notation, CamelStoreInfo *si) -{ - CamelURL *base_url = ((CamelService *) store)->url; - CamelFolderInfo *fi = g_malloc0(sizeof(*fi)); - CamelURL *url; - - fi->full_name = g_strdup (si->path); - - if (short_notation) - fi->name = nntp_newsgroup_name_short (si->path); - else - fi->name = g_strdup (si->path); - - fi->unread = -1; - /* fi->path is the 'canonicalised' path used by the UI (folder-tree). Not - * as important these days, but folders used to get added to the tree based - * on its path rather than the structure of the CamelFolderInfo's. - * - * must be delimited by '/' which also means that if the user doesn't want - * a flat list of newsgroups, you'll have to replace '.' with '/' for - * full_name too. */ - /*camel_folder_info_build_path(fi, '/');*/ - fi->path = g_strdup_printf ("/%s", si->path); - url = camel_url_new_with_base (base_url, fi->path); - fi->uri = camel_url_to_string (url, CAMEL_URL_HIDE_ALL); - camel_url_free (url); - - return fi; -} - -static CamelFolderInfo * -nntp_folder_info_from_name (CamelNNTPStore *store, gboolean short_notation, const char *name) -{ - CamelFolderInfo *fi = g_malloc0(sizeof(*fi)); - CamelURL *base_url = ((CamelService *)store)->url; - CamelURL *url; - - fi->full_name = g_strdup (name); - - if (short_notation) - fi->name = nntp_newsgroup_name_short (name); - else - fi->name = g_strdup (name); - - fi->unread = -1; - - fi->path = g_strdup_printf ("/%s", name); - - url = camel_url_new_with_base (base_url, fi->path); - fi->uri = camel_url_to_string (url, CAMEL_URL_HIDE_ALL); - camel_url_free (url); - - return fi; -} - -static CamelStoreInfo * -nntp_store_info_from_line (CamelNNTPStore *store, char *line) -{ - CamelStoreSummary *summ = (CamelStoreSummary *)store->summary; - CamelURL *base_url = ((CamelService *)store)->url; - CamelNNTPStoreInfo *nsi = (CamelNNTPStoreInfo*)camel_store_summary_info_new(summ); - CamelStoreInfo *si = (CamelStoreInfo*)nsi; - CamelURL *url; - char *relpath; - - relpath = g_strdup_printf ("/%s", line); - url = camel_url_new_with_base (base_url, relpath); - g_free (relpath); - si->uri = camel_url_to_string (url, CAMEL_URL_HIDE_ALL); - camel_url_free (url); - - si->path = g_strdup (line); - nsi->full_name = g_strdup (line); - return (CamelStoreInfo*) si; -} - -static CamelFolderInfo * -nntp_store_get_subscribed_folder_info (CamelNNTPStore *store, const char *top, guint flags, CamelException *ex) -{ - int i; - CamelStoreInfo *si; - CamelFolderInfo *first = NULL, *last = NULL, *fi = NULL; - - /* since we do not do a tree, any request that is not for root is sure to give no results */ - if (top != NULL && top[0] != 0) - return NULL; - - for (i=0;(si = camel_store_summary_index ((CamelStoreSummary *) store->summary, i));i++) { - if (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) { - fi = nntp_folder_info_from_store_info (store, store->do_short_folder_notation, si); - if (!fi) - continue; - fi->flags |= CAMEL_FOLDER_NOINFERIORS | CAMEL_FOLDER_NOCHILDREN | CAMEL_FOLDER_SYSTEM; - if (last) - last->next = fi; - else - first = fi; - last = fi; - } - camel_store_summary_info_free ((CamelStoreSummary *) store->summary, si); - } - - return first; -} - -/* - * get folder info, using the information in our StoreSummary - */ -static CamelFolderInfo * -nntp_store_get_cached_folder_info (CamelNNTPStore *store, const char *orig_top, guint flags, CamelException *ex) -{ - int i; - int subscribed_or_flag = (flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) ? 0 : 1, - root_or_flag = (orig_top == NULL || orig_top[0] == '\0') ? 1 : 0, - recursive_flag = flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE; - CamelStoreInfo *si; - CamelFolderInfo *first = NULL, *last = NULL, *fi = NULL; - char *tmpname; - char *top = g_strconcat(orig_top?orig_top:"", ".", NULL); - int toplen = strlen(top); - - for (i = 0; (si = camel_store_summary_index ((CamelStoreSummary *) store->summary, i)); i++) { - if ((subscribed_or_flag || (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED)) && - (root_or_flag || g_ascii_strncasecmp (si->path, top, toplen) == 0)) { - if (recursive_flag || strchr (si->path + toplen, '.') == NULL) { - /* add the item */ - fi = nntp_folder_info_from_store_info(store, FALSE, si); - if (!fi) - continue; - if (store->folder_hierarchy_relative) { - g_free (fi->name); - fi->name = g_strdup (si->path + ((toplen == 1) ? 0 : toplen)); - } - } else { - /* apparently, this is an indirect subitem. if it's not a subitem of - the item we added last, we need to add a portion of this item to - the list as a placeholder */ - if (!last || - g_ascii_strncasecmp(si->path, last->full_name, strlen(last->full_name)) != 0 || - si->path[strlen(last->full_name)] != '.') { - tmpname = g_strdup(si->path); - *(strchr(tmpname + toplen, '.')) = '\0'; - fi = nntp_folder_info_from_name(store, FALSE, tmpname); - fi->flags |= CAMEL_FOLDER_NOSELECT; - if (store->folder_hierarchy_relative) { - g_free(fi->name); - fi->name = g_strdup(tmpname + ((toplen==1) ? 0 : toplen)); - } - g_free(tmpname); - } else { - continue; - } - } - if (last) - last->next = fi; - else - first = fi; - last = fi; - } else if (subscribed_or_flag && first) { - /* we have already added subitems, but this item is no longer a subitem */ - camel_store_summary_info_free((CamelStoreSummary *)store->summary, si); - break; - } - camel_store_summary_info_free((CamelStoreSummary *)store->summary, si); - } - - g_free(top); - return first; -} - -/* retrieves the date from the NNTP server */ -static gboolean -nntp_get_date(CamelNNTPStore *nntp_store) -{ - unsigned char *line; - int ret = camel_nntp_command(nntp_store, (char **)&line, "date"); - char *ptr; - - nntp_store->summary->last_newslist[0] = 0; - - if (ret == 111) { - ptr = line + 3; - while (*ptr == ' ' || *ptr == '\t') - ptr++; - - if (strlen (ptr) == NNTP_DATE_SIZE) { - memcpy (nntp_store->summary->last_newslist, ptr, NNTP_DATE_SIZE); - return TRUE; - } - } - return FALSE; -} - -static gint -store_info_sort (gconstpointer a, gconstpointer b) -{ - return strcmp ((*(CamelNNTPStoreInfo**) a)->full_name, (*(CamelNNTPStoreInfo**) b)->full_name); -} - -static CamelFolderInfo * -nntp_store_get_folder_info_all(CamelNNTPStore *nntp_store, const char *top, guint32 flags, gboolean online, CamelException *ex) -{ - CamelNNTPStoreSummary *summary = nntp_store->summary; - CamelStoreInfo *si; - unsigned int len; - unsigned char *line, *space; - int ret = -1; - - if (top == NULL) - top = ""; - - if (online && (top == NULL || top[0] == 0)) { - /* we may need to update */ - if (summary->last_newslist[0] != 0) { - char date[14]; - memcpy(date, summary->last_newslist + 2, 6); /* YYMMDDD */ - date[6] = ' '; - memcpy(date + 7, summary->last_newslist + 8, 6); /* HHMMSS */ - date[13] = '\0'; - - nntp_get_date (nntp_store); - - ret = camel_nntp_command (nntp_store, (char **) &line, "newgroups %s", date); - if (ret != 231) { - /* newgroups not supported :S so reload the complete list */ - ret = -1; - camel_store_summary_clear ((CamelStoreSummary*) summary); - summary->last_newslist[0] = 0; - goto do_complete_list; - } - - while ((ret = camel_nntp_stream_line (nntp_store->stream, &line, &len)) > 0) { - if ((space = strchr(line, ' '))) - *space = '\0'; - - si = camel_store_summary_path ((CamelStoreSummary *) nntp_store->summary, line); - if (si) { - camel_store_summary_info_free ((CamelStoreSummary *) nntp_store->summary, si); - } else { - si = nntp_store_info_from_line (nntp_store, line); - camel_store_summary_add ((CamelStoreSummary*) nntp_store->summary, si); - } - } - } else { - do_complete_list: - /* seems we do need a complete list */ - /* at first, we do a DATE to find out the last load occasion */ - nntp_get_date (nntp_store); - - ret = camel_nntp_command (nntp_store, (char **)&line, "list"); - if (ret != 215) { - if (ret < 0) - line = _("Stream error"); - ret = -1; - camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_INVALID, - _("Error retrieving newsgroups:\n\n%s"), line); - goto error; - } - - while ((ret = camel_nntp_stream_line(nntp_store->stream, &line, &len)) > 0) { - if ((space = strchr(line, ' '))) - *space = '\0'; - - si = nntp_store_info_from_line (nntp_store, line); - camel_store_summary_add ((CamelStoreSummary*) nntp_store->summary, si); - /* check to see if it answers our current query */ - } - } - - /* sort the list */ - g_ptr_array_sort (CAMEL_STORE_SUMMARY (nntp_store->summary)->folders, store_info_sort); - if (ret < 0) - goto error; - - camel_store_summary_save ((CamelStoreSummary *) nntp_store->summary); - } - - return nntp_store_get_cached_folder_info (nntp_store, top, flags, ex); - error: - return NULL; -} - -static CamelFolderInfo * -nntp_get_folder_info (CamelStore *store, const char *top, guint32 flags, gboolean online, CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(store); - CamelFolderInfo *first = NULL; - - dd(printf("g_f_i: fast %d subscr %d recursive %d online %d top \"%s\"\n", - flags & CAMEL_STORE_FOLDER_INFO_FAST, - flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, - flags & CAMEL_STORE_FOLDER_INFO_RECURSIVE, - online, - top?top:"")); - - CAMEL_NNTP_STORE_LOCK(nntp_store, command_lock); - - if (flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) - first = nntp_store_get_subscribed_folder_info (nntp_store, top, flags, ex); - else - first = nntp_store_get_folder_info_all (nntp_store, top, flags, online, ex); - - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); - return first; -} - -static CamelFolderInfo * -nntp_get_folder_info_online (CamelStore *store, const char *top, guint32 flags, CamelException *ex) -{ - return nntp_get_folder_info (store, top, flags, TRUE, ex); -} - -static CamelFolderInfo * -nntp_get_folder_info_offline(CamelStore *store, const char *top, guint32 flags, CamelException *ex) -{ - return nntp_get_folder_info (store, top, flags, FALSE, ex); -} - -static gboolean -nntp_store_folder_subscribed (CamelStore *store, const char *folder_name) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (store); - CamelStoreInfo *si; - int truth = FALSE; - - si = camel_store_summary_path ((CamelStoreSummary *) nntp_store->summary, folder_name); - if (si) { - truth = (si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) != 0; - camel_store_summary_info_free ((CamelStoreSummary *) nntp_store->summary, si); - } - - return truth; -} - -static void -nntp_store_subscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(store); - CamelStoreInfo *si; - CamelFolderInfo *fi; - - CAMEL_NNTP_STORE_LOCK(nntp_store, command_lock); - - si = camel_store_summary_path(CAMEL_STORE_SUMMARY(nntp_store->summary), folder_name); - if (!si) { - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID, - _("You cannot subscribe to this newsgroup:\n\n" - "No such newsgroup. The selected item is a probably a parent folder.")); - } else { - if (!(si->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED)) { - si->flags |= CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - fi = nntp_folder_info_from_store_info(nntp_store, nntp_store->do_short_folder_notation, si); - fi->flags |= CAMEL_FOLDER_NOINFERIORS | CAMEL_FOLDER_NOCHILDREN; - camel_store_summary_touch ((CamelStoreSummary *) nntp_store->summary); - camel_store_summary_save ((CamelStoreSummary *) nntp_store->summary); - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); - camel_object_trigger_event ((CamelObject *) nntp_store, "folder_subscribed", fi); - camel_folder_info_free (fi); - return; - } - } - - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); -} - -static void -nntp_store_unsubscribe_folder (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(store); - CamelFolderInfo *fi; - CamelStoreInfo *fitem; - CAMEL_NNTP_STORE_LOCK(nntp_store, command_lock); - - fitem = camel_store_summary_path(CAMEL_STORE_SUMMARY(nntp_store->summary), folder_name); - - if (!fitem) { - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID, - _("You cannot unsubscribe to this newsgroup:\n\n" - "newsgroup does not exist!")); - } else { - if (fitem->flags & CAMEL_STORE_INFO_FOLDER_SUBSCRIBED) { - fitem->flags &= ~CAMEL_STORE_INFO_FOLDER_SUBSCRIBED; - fi = nntp_folder_info_from_store_info (nntp_store, nntp_store->do_short_folder_notation, fitem); - camel_store_summary_touch ((CamelStoreSummary *) nntp_store->summary); - camel_store_summary_save ((CamelStoreSummary *) nntp_store->summary); - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); - camel_object_trigger_event ((CamelObject *) nntp_store, "folder_unsubscribed", fi); - camel_folder_info_free (fi); - return; - } - } - - CAMEL_NNTP_STORE_UNLOCK(nntp_store, command_lock); -} - -/* stubs for various folder operations we're not implementing */ - -static CamelFolderInfo * -nntp_create_folder (CamelStore *store, const char *parent_name, - const char *folder_name, CamelException *ex) -{ - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID, - _("You cannot create a folder in a News store: subscribe instead.")); - return NULL; -} - -static void -nntp_rename_folder (CamelStore *store, const char *old_name, const char *new_name_in, CamelException *ex) -{ - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID, - _("You cannot rename a folder in a News store.")); -} - -static void -nntp_delete_folder (CamelStore *store, const char *folder_name, CamelException *ex) -{ - nntp_store_subscribe_folder (store, folder_name, ex); - camel_exception_setv (ex, CAMEL_EXCEPTION_FOLDER_INVALID, - _("You cannot remove a folder in a News store: unsubscribe instead.")); - return; -} - -static void -nntp_store_finalize (CamelObject *object) -{ - /* call base finalize */ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE (object); - struct _CamelNNTPStorePrivate *p = nntp_store->priv; - - camel_service_disconnect ((CamelService *)object, TRUE, NULL); - - if (nntp_store->summary) { - camel_store_summary_save ((CamelStoreSummary *) nntp_store->summary); - camel_object_unref (nntp_store->summary); - } - - camel_object_unref (nntp_store->mem); - nntp_store->mem = NULL; - if (nntp_store->stream) - camel_object_unref (nntp_store->stream); - - if (nntp_store->base_url) - g_free (nntp_store->base_url); - if (nntp_store->storage_path) - g_free (nntp_store->storage_path); - - e_mutex_destroy(p->command_lock); - - g_free(p); -} - -static void -nntp_store_class_init (CamelNNTPStoreClass *camel_nntp_store_class) -{ - CamelDiscoStoreClass *camel_disco_store_class = CAMEL_DISCO_STORE_CLASS (camel_nntp_store_class); - CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS (camel_nntp_store_class); - CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS (camel_nntp_store_class); - - parent_class = CAMEL_DISCO_STORE_CLASS (camel_type_get_global_classfuncs (camel_disco_store_get_type ())); - service_class = CAMEL_SERVICE_CLASS (camel_type_get_global_classfuncs (camel_service_get_type ())); - - /* virtual method overload */ - camel_service_class->construct = nntp_construct; - camel_service_class->query_auth_types = nntp_store_query_auth_types; - camel_service_class->get_name = nntp_store_get_name; - - camel_disco_store_class->can_work_offline = nntp_can_work_offline; - camel_disco_store_class->connect_online = nntp_connect_online; - camel_disco_store_class->connect_offline = nntp_connect_offline; - camel_disco_store_class->disconnect_online = nntp_disconnect_online; - camel_disco_store_class->disconnect_offline = nntp_disconnect_offline; - camel_disco_store_class->get_folder_online = nntp_get_folder; - camel_disco_store_class->get_folder_resyncing = nntp_get_folder; - camel_disco_store_class->get_folder_offline = nntp_get_folder; - - camel_disco_store_class->get_folder_info_online = nntp_get_folder_info_online; - camel_disco_store_class->get_folder_info_resyncing = nntp_get_folder_info_online; - camel_disco_store_class->get_folder_info_offline = nntp_get_folder_info_offline; - - camel_store_class->free_folder_info = camel_store_free_folder_info_full; - - camel_store_class->folder_subscribed = nntp_store_folder_subscribed; - camel_store_class->subscribe_folder = nntp_store_subscribe_folder; - camel_store_class->unsubscribe_folder = nntp_store_unsubscribe_folder; - - camel_store_class->create_folder = nntp_create_folder; - camel_store_class->delete_folder = nntp_delete_folder; - camel_store_class->rename_folder = nntp_rename_folder; -} - -/* construction function in which we set some basic store properties */ -static void -nntp_construct (CamelService *service, CamelSession *session, - CamelProvider *provider, CamelURL *url, - CamelException *ex) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(service); - CamelURL *summary_url; - char *tmp; - - /* construct the parent first */ - CAMEL_SERVICE_CLASS (parent_class)->construct (service, session, provider, url, ex); - if (camel_exception_is_set (ex)) - return; - - /* find out the storage path, base url */ - nntp_store->storage_path = camel_session_get_storage_path (session, service, ex); - if (!nntp_store->storage_path) - return; - - /* FIXME */ - nntp_store->base_url = camel_url_to_string (service->url, (CAMEL_URL_HIDE_PASSWORD | - CAMEL_URL_HIDE_PARAMS | - CAMEL_URL_HIDE_AUTH)); - - tmp = g_build_filename (nntp_store->storage_path, ".ev-store-summary", NULL); - nntp_store->summary = camel_nntp_store_summary_new (); - camel_store_summary_set_filename ((CamelStoreSummary *) nntp_store->summary, tmp); - summary_url = camel_url_new (nntp_store->base_url, NULL); - camel_store_summary_set_uri_base ((CamelStoreSummary *) nntp_store->summary, summary_url); - g_free (tmp); - - camel_url_free (summary_url); - if (camel_store_summary_load ((CamelStoreSummary *)nntp_store->summary) == 0) - ; - - /* get options */ - if (camel_url_get_param (url, "show_short_notation")) - nntp_store->do_short_folder_notation = TRUE; - else - nntp_store->do_short_folder_notation = FALSE; - if (camel_url_get_param (url, "folder_hierarchy_relative")) - nntp_store->folder_hierarchy_relative = TRUE; - else - nntp_store->folder_hierarchy_relative = FALSE; -} - - -static void -nntp_store_init (gpointer object, gpointer klass) -{ - CamelNNTPStore *nntp_store = CAMEL_NNTP_STORE(object); - CamelStore *store = CAMEL_STORE (object); - struct _CamelNNTPStorePrivate *p; - - store->flags = CAMEL_STORE_SUBSCRIPTIONS; - - nntp_store->mem = (CamelStreamMem *)camel_stream_mem_new(); - - p = nntp_store->priv = g_malloc0(sizeof(*p)); - p->command_lock = e_mutex_new(E_MUTEX_REC); -} - -CamelType -camel_nntp_store_get_type (void) -{ - static CamelType camel_nntp_store_type = CAMEL_INVALID_TYPE; - - if (camel_nntp_store_type == CAMEL_INVALID_TYPE) { - camel_nntp_store_type = - camel_type_register (CAMEL_DISCO_STORE_TYPE, - "CamelNNTPStore", - sizeof (CamelNNTPStore), - sizeof (CamelNNTPStoreClass), - (CamelObjectClassInitFunc) nntp_store_class_init, - NULL, - (CamelObjectInitFunc) nntp_store_init, - (CamelObjectFinalizeFunc) nntp_store_finalize); - } - - return camel_nntp_store_type; -} - -/* enter owning lock */ -int -camel_nntp_store_set_folder (CamelNNTPStore *store, CamelFolder *folder, CamelFolderChangeInfo *changes, CamelException *ex) -{ - int ret; - - if (store->current_folder && strcmp (folder->full_name, store->current_folder) == 0) - return 0; - - /* FIXME: Do something with changeinfo */ - ret = camel_nntp_summary_check ((CamelNNTPSummary *) folder->summary, changes, ex); - - g_free (store->current_folder); - store->current_folder = g_strdup (folder->full_name); - - return ret; -} - -static gboolean -camel_nntp_try_authenticate (CamelNNTPStore *store) -{ - CamelService *service = (CamelService *) store; - CamelSession *session = camel_service_get_session (service); - int ret; - char *line; - - if (!service->url->user) - return FALSE; - - /* if nessecary, prompt for the password */ - if (!service->url->passwd) { - CamelException ex; - char *prompt; - - prompt = g_strdup_printf (_("Please enter the NNTP password for %s@%s"), - service->url->user, - service->url->host); - - camel_exception_init (&ex); - - service->url->passwd = - camel_session_get_password (session, prompt, CAMEL_SESSION_PASSWORD_SECRET, - service, "password", &ex); - camel_exception_clear (&ex); - g_free (prompt); - - if (!service->url->passwd) - return FALSE; - } - - /* now, send auth info (currently, only authinfo user/pass is supported) */ - ret = camel_nntp_command(store, &line, "authinfo user %s", service->url->user); - if (ret == NNTP_AUTH_ACCEPTED) { - return TRUE; - } else if (ret == NNTP_AUTH_CONTINUE) { - ret = camel_nntp_command (store, &line, "authinfo pass %s", service->url->passwd); - if (ret == NNTP_AUTH_ACCEPTED) - return TRUE; - else - return FALSE; - } else - return FALSE; -} - -static gboolean -nntp_connected (CamelNNTPStore *store, CamelException *ex) -{ - if (((CamelDiscoStore *)store)->status == CAMEL_DISCO_STORE_OFFLINE) { - g_warning("Trying to talk to nntp session whilst offline"); - return FALSE; - } - - if (store->stream == NULL) - return camel_service_connect (CAMEL_SERVICE (store), ex); - - return TRUE; -} - -/* Enter owning lock */ -int -camel_nntp_command (CamelNNTPStore *store, char **line, const char *fmt, ...) -{ - const unsigned char *p, *ps; - unsigned char c; - va_list ap; - char *s; - int d; - unsigned int u, u2; - - e_mutex_assert_locked(store->priv->command_lock); - - if (!nntp_connected (store, NULL)) - return -1; - - /* Check for unprocessed data, ! */ - if (store->stream->mode == CAMEL_NNTP_STREAM_DATA) { - g_warning("Unprocessed data left in stream, flushing"); - while (camel_nntp_stream_getd(store->stream, (unsigned char **)&p, &u) > 0) - ; - } - camel_nntp_stream_set_mode(store->stream, CAMEL_NNTP_STREAM_LINE); - - command_begin_send: - va_start(ap, fmt); - ps = p = fmt; - while ((c = *p++)) { - switch (c) { - case '%': - c = *p++; - camel_stream_write ((CamelStream *) store->mem, ps, p - ps - (c == '%' ? 1 : 2)); - ps = p; - switch (c) { - case 's': - s = va_arg(ap, char *); - camel_stream_write((CamelStream *)store->mem, s, strlen(s)); - break; - case 'd': - d = va_arg(ap, int); - camel_stream_printf((CamelStream *)store->mem, "%d", d); - break; - case 'u': - u = va_arg(ap, unsigned int); - camel_stream_printf((CamelStream *)store->mem, "%u", u); - break; - case 'm': - s = va_arg(ap, char *); - camel_stream_printf((CamelStream *)store->mem, "<%s>", s); - break; - case 'r': - u = va_arg(ap, unsigned int); - u2 = va_arg(ap, unsigned int); - if (u == u2) - camel_stream_printf((CamelStream *)store->mem, "%u", u); - else - camel_stream_printf((CamelStream *)store->mem, "%u-%u", u, u2); - break; - default: - g_warning("Passing unknown format to nntp_command: %c\n", c); - g_assert(0); - } - } - } - - camel_stream_write ((CamelStream *) store->mem, ps, p-ps-1); - dd(printf("NNTP_COMMAND: '%.*s'\n", (int)store->mem->buffer->len, store->mem->buffer->data)); - camel_stream_write ((CamelStream *) store->mem, "\r\n", 2); - - if (camel_stream_write ((CamelStream *) store->stream, store->mem->buffer->data, store->mem->buffer->len) == -1 && errno != EINTR) { - camel_stream_reset ((CamelStream *) store->mem); - /* FIXME: hack */ - g_byte_array_set_size (store->mem->buffer, 0); - - reconnect: - /* some error, re-connect */ - camel_service_disconnect (CAMEL_SERVICE (store), FALSE, NULL); - - if (!nntp_connected (store, NULL)) - return -1; - - goto command_begin_send; - } - - camel_stream_reset ((CamelStream *) store->mem); - /* FIXME: hack */ - g_byte_array_set_size (store->mem->buffer, 0); - - if (camel_nntp_stream_line (store->stream, (unsigned char **) line, &u) == -1) - return -1; - - u = strtoul (*line, NULL, 10); - - /* Check for 'authentication required' codes */ - if (u == NNTP_AUTH_REQUIRED && - camel_nntp_try_authenticate(store)) - goto command_begin_send; - - /* the server doesn't like us anymore, but we still like her! */ - if (u == 401 || u == 503) - goto reconnect; - - /* Handle all switching to data mode here, to make callers job easier */ - if (u == 215 || (u >= 220 && u <=224) || (u >= 230 && u <= 231)) - camel_nntp_stream_set_mode(store->stream, CAMEL_NNTP_STREAM_DATA); - - return u; -} |