2006-08-05 [colin] 2.4.0cvs29
[claws.git] / src / news.c
index 71da53a6dedab99251efb42d4db4b66c4ca7ea6f..7ddfe103ff8d01918da5695aca477adcbd43498b 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2004 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
  *
  * 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -24,6 +24,7 @@
 #include "defs.h"
 
 #include <glib.h>
+#include <glib/gi18n.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -31,8 +32,8 @@
 #include <unistd.h>
 #include <time.h>
 
-#include "intl.h"
 #include "news.h"
+#include "news_gtk.h"
 #include "nntp.h"
 #include "socket.h"
 #include "recv.h"
@@ -50,6 +51,8 @@
 #include "progressindicator.h"
 #include "remotefolder.h"
 #include "alertpanel.h"
+#include "inc.h"
+
 #if USE_OPENSSL
 #  include "ssl.h"
 #endif
@@ -68,6 +71,7 @@ struct _NewsFolder
        RemoteFolder rfolder;
 
        gboolean use_auth;
+       gboolean lock_count;
 };
 
 static void news_folder_init            (Folder        *folder,
@@ -130,7 +134,12 @@ gint news_post_stream                       (Folder        *folder,
 static gchar *news_folder_get_path      (Folder        *folder);
 gchar *news_item_get_path               (Folder        *folder,
                                          FolderItem    *item);
-
+static void news_synchronise            (FolderItem    *item);
+static int news_remove_msg              (Folder        *folder, 
+                                         FolderItem    *item, 
+                                         gint           msgnum);
+static gint news_remove_folder          (Folder        *folder,
+                                         FolderItem    *item);
 static FolderClass news_class;
 
 FolderClass *news_get_class(void)
@@ -148,16 +157,58 @@ FolderClass *news_get_class(void)
                news_class.item_get_path = news_item_get_path;
                news_class.get_num_list = news_get_num_list;
                news_class.scan_required = news_scan_required;
+               news_class.remove_folder = news_remove_folder;
 
                /* Message functions */
                news_class.get_msginfo = news_get_msginfo;
                news_class.get_msginfos = news_get_msginfos;
                news_class.fetch_msg = news_fetch_msg;
+               news_class.synchronise = news_synchronise;
+               news_class.remove_msg = news_remove_msg;
        };
 
        return &news_class;
 }
 
+static int news_remove_msg              (Folder        *folder, 
+                                         FolderItem    *item, 
+                                         gint           msgnum)
+{
+       gchar *path, *filename;
+
+       g_return_val_if_fail(folder != NULL, -1);
+       g_return_val_if_fail(item != NULL, -1);
+
+       path = folder_item_get_path(item);
+       if (!is_dir_exist(path))
+               make_dir_hier(path);
+       
+       filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
+       g_free(path);
+       g_unlink(filename);
+       g_free(filename);
+       return 0;
+}
+
+static void news_folder_lock(NewsFolder *folder)
+{
+       folder->lock_count++;
+}
+
+static void news_folder_unlock(NewsFolder *folder)
+{
+       if (folder->lock_count > 0)
+               folder->lock_count--;
+}
+
+int news_folder_locked(Folder *folder)
+{
+       if (folder == NULL)
+               return 0;
+
+       return NEWS_FOLDER(folder)->lock_count;
+}
+
 static Folder *news_folder_new(const gchar *name, const gchar *path)
 {
        Folder *folder;
@@ -240,6 +291,19 @@ static Session *news_session_new_for_folder(Folder *folder)
        session = news_session_new(ac->nntp_server, port, userid, passwd,
                                   ac->ssl_nntp);
 #else
+       if (ac->ssl_nntp != SSL_NONE) {
+               if (alertpanel_full(_("Insecure connection"),
+                       _("This connection is configured to be secured "
+                         "using SSL, but SSL is not available in this "
+                         "build of Sylpheed-Claws. \n\n"
+                         "Do you want to continue connecting to this "
+                         "server? The communication would not be "
+                         "secure."),
+                         GTK_STOCK_CANCEL, _("Con_tinue connecting"), 
+                         NULL, FALSE, NULL, ALERT_WARNING,
+                         G_ALERTDEFAULT) != G_ALERTALTERNATE)
+                       return NULL;
+       }
        port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
        session = news_session_new(ac->nntp_server, port, userid, passwd);
 #endif
@@ -259,8 +323,12 @@ static NNTPSession *news_session_get(Folder *folder)
        g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
        g_return_val_if_fail(folder->account != NULL, NULL);
 
-       if (prefs_common.work_offline)
+       if (prefs_common.work_offline && 
+           !inc_offline_should_override(
+               _("Sylpheed-Claws needs network access in order "
+                 "to access the News server."))) {
                return NULL;
+       }
 
        if (!rfolder->session) {
                rfolder->session = news_session_new_for_folder(folder);
@@ -337,7 +405,7 @@ static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
                g_free(filename);
                return NULL;
        }
-
+       GTK_EVENTS_FLUSH();
        return filename;
 }
 
@@ -384,7 +452,7 @@ GSList *news_get_group_list(Folder *folder)
        filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
        g_free(path);
 
-       if ((fp = fopen(filename, "rb")) == NULL) {
+       if ((fp = g_fopen(filename, "rb")) == NULL) {
                NNTPSession *session;
                gint ok;
 
@@ -411,7 +479,7 @@ GSList *news_get_group_list(Folder *folder)
                        return NULL;
                }
 
-               if ((fp = fopen(filename, "rb")) == NULL) {
+               if ((fp = g_fopen(filename, "rb")) == NULL) {
                        FILE_OP_ERROR(filename, "fopen");
                        g_free(filename);
                        return NULL;
@@ -491,7 +559,7 @@ gint news_post(Folder *folder, const gchar *file)
        g_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
        g_return_val_if_fail(file != NULL, -1);
 
-       if ((fp = fopen(file, "rb")) == NULL) {
+       if ((fp = g_fopen(file, "rb")) == NULL) {
                FILE_OP_ERROR(file, "fopen");
                return -1;
        }
@@ -608,7 +676,6 @@ static gint news_select_group(NNTPSession *session, const gchar *group,
 static MsgInfo *news_parse_xover(const gchar *xover_str)
 {
        MsgInfo *msginfo;
-       gchar buf[NNTPBUFSIZE];
        gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
        gchar *p;
        gint num, size_int, line_int;
@@ -648,35 +715,46 @@ static MsgInfo *news_parse_xover(const gchar *xover_str)
        msginfo->date = g_strdup(date);
        msginfo->date_t = procheader_date_parse(NULL, date, 0);
 
-       conv_unmime_header(buf, sizeof(buf), sender, NULL);
-       msginfo->from = g_strdup(buf);
-       msginfo->fromname = procheader_get_fromname(buf);
-
-       conv_unmime_header(buf, sizeof(buf), subject, NULL);
-       msginfo->subject = g_strdup(buf);
-
-       extract_parenthesis(msgid, '<', '>');
-       remove_space(msgid);
-       if (*msgid != '\0')
-               msginfo->msgid = g_strdup(msgid);
-
-       msginfo->references = g_strdup(ref);
-       eliminate_parenthesis(ref, '(', ')');
-       if ((p = strrchr(ref, '<')) != NULL) {
-               extract_parenthesis(p, '<', '>');
-               remove_space(p);
-               if (*p != '\0')
-                       msginfo->inreplyto = g_strdup(p);
-       }
-
-       /*
-       msginfo->xref = g_strdup(xref);
-       p = msginfo->xref+strlen(msginfo->xref) - 1;
-       while (*p == '\r' || *p == '\n') {
-               *p = '\0';
-               p--;
-       }
-       */
+        msginfo->from = conv_unmime_header(sender, NULL);
+       msginfo->fromname = procheader_get_fromname(msginfo->from);
+
+        msginfo->subject = conv_unmime_header(subject, NULL);
+
+       remove_return(msginfo->from);
+       remove_return(msginfo->fromname);
+       remove_return(msginfo->subject);
+
+        if (msgid) {
+                extract_parenthesis(msgid, '<', '>');
+                remove_space(msgid);
+                if (*msgid != '\0')
+                        msginfo->msgid = g_strdup(msgid);
+        }                        
+
+        /* FIXME: this is a quick fix; references' meaning was changed
+         * into having the actual list of references in the References: header.
+         * We need a GSList here, so msginfo_free() and msginfo_copy() can do 
+         * their things properly. */ 
+        if (ref && strlen(ref)) {       
+               gchar **ref_tokens = g_strsplit(ref, " ", -1);
+               guint i = 0;
+               
+               while (ref_tokens[i]) {
+                       gchar *cur_ref = ref_tokens[i];
+                       msginfo->references = references_list_append(msginfo->references, 
+                                       cur_ref);
+                       i++;
+               }
+               g_strfreev(ref_tokens);
+               
+                eliminate_parenthesis(ref, '(', ')');
+                if ((p = strrchr(ref, '<')) != NULL) {
+                        extract_parenthesis(p, '<', '>');
+                        remove_space(p);
+                        if (*p != '\0')
+                                msginfo->inreplyto = g_strdup(p);
+                }
+        } 
 
        return msginfo;
 }
@@ -716,7 +794,7 @@ gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
        if (tmp == NULL)
                return -1;
 
-       if ((tmpfp = fopen(tmp, "wb")) == NULL) {
+       if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
                FILE_OP_ERROR(tmp, "fopen");
                return -1;
        }
@@ -802,10 +880,13 @@ gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, g
        g_return_val_if_fail(session != NULL, -1);
 
        *old_uids_valid = TRUE;
+       
+       news_folder_lock(NEWS_FOLDER(item->folder));
 
        ok = news_select_group(session, item->path, &num, &first, &last);
        if (ok != NN_SUCCESS) {
                log_warning(_("can't set group: %s\n"), item->path);
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return -1;
        }
 
@@ -826,7 +907,7 @@ gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, g
                remove_numbered_files(dir, 1, first - 1);
        }
        g_free(dir);
-
+       news_folder_unlock(NEWS_FOLDER(item->folder));
        return nummsgs;
 }
 
@@ -838,6 +919,26 @@ gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, g
                } \
        }
 
+static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
+{
+       msginfo->flags.tmp_flags = 0;
+       if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
+               if (item->folder->newsart &&
+                   g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
+                       msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
+                               
+               } else {
+                       if (!item->folder->newsart) 
+                               item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
+                       g_hash_table_insert(item->folder->newsart,
+                                       g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
+                       msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
+               }
+       } else {
+               msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
+       }
+}
+
 MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
 {
        NNTPSession *session;
@@ -854,17 +955,22 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
        log_message(_("getting xover %d in %s...\n"),
                    num, item->path);
        ok = nntp_xover(session, num, num);
+       
+       news_folder_lock(NEWS_FOLDER(item->folder));
+       
        if (ok != NN_SUCCESS) {
                log_warning(_("can't get xover\n"));
                if (ok == NN_SOCKET) {
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(item->folder)->session = NULL;
                }
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return NULL;
        }
        
        if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                log_warning(_("error occurred while getting xover.\n"));
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return NULL;
        }
        
@@ -875,12 +981,15 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
 
        READ_TO_LISTEND("xover");
 
-       if(!msginfo)
+       if(!msginfo) {
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return NULL;
-       
+       }
+
        msginfo->folder = item;
-       msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
-       msginfo->flags.tmp_flags = MSG_NEWS;
+       
+       news_set_msg_flags(item, msginfo);
+       msginfo->flags.tmp_flags |= MSG_NEWS;
        msginfo->newsgroups = g_strdup(item->path);
 
        ok = nntp_xhdr(session, "to", num, num);
@@ -890,11 +999,13 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(item->folder)->session = NULL;
                }
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return msginfo;
        }
 
        if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                log_warning(_("error occurred while getting xhdr.\n"));
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return msginfo;
        }
 
@@ -909,18 +1020,20 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(item->folder)->session = NULL;
                }
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return msginfo;
        }
 
        if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                log_warning(_("error occurred while getting xhdr.\n"));
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return msginfo;
        }
 
        msginfo->cc = news_parse_xhdr(buf, msginfo);
 
        READ_TO_LISTEND("xhdr (cc)");
-
+       news_folder_unlock(NEWS_FOLDER(item->folder));
        return msginfo;
 }
 
@@ -930,7 +1043,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
        GSList *newlist = NULL;
        GSList *llast = NULL;
        MsgInfo *msginfo;
-       guint count = 0, lines = (end - begin + 2) * 3;
+       guint count = 0, lines = (end - begin) + 2;
        gint ok;
 
        g_return_val_if_fail(session != NULL, NULL);
@@ -948,9 +1061,12 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                return NULL;
        }
 
+       news_folder_lock(NEWS_FOLDER(item->folder));
+       
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xover.\n"));
+                       news_folder_unlock(NEWS_FOLDER(item->folder));
                        return newlist;
                }
                count++;
@@ -968,8 +1084,8 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                }
 
                msginfo->folder = item;
-               msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
-               msginfo->flags.tmp_flags = MSG_NEWS;
+               news_set_msg_flags(item, msginfo);
+               msginfo->flags.tmp_flags |= MSG_NEWS;
                msginfo->newsgroups = g_strdup(item->path);
 
                if (!newlist)
@@ -987,6 +1103,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(item->folder)->session = NULL;
                }
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return newlist;
        }
 
@@ -995,13 +1112,9 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xhdr.\n"));
+                       news_folder_unlock(NEWS_FOLDER(item->folder));
                        return newlist;
                }
-               count++;
-               progressindicator_set_percentage
-                       (PROGRESS_TYPE_NETWORK,
-                        session->fetch_base_percentage +
-                        (((gfloat) count) / ((gfloat) lines)) * session->fetch_total_percentage);
 
                if (buf[0] == '.' && buf[1] == '\r') break;
                if (!llast) {
@@ -1022,6 +1135,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(item->folder)->session = NULL;
                }
+               news_folder_unlock(NEWS_FOLDER(item->folder));
                return newlist;
        }
 
@@ -1030,13 +1144,9 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
        for (;;) {
                if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
                        log_warning(_("error occurred while getting xhdr.\n"));
+                       news_folder_unlock(NEWS_FOLDER(item->folder));
                        return newlist;
                }
-               count++;
-               progressindicator_set_percentage
-                       (PROGRESS_TYPE_NETWORK,
-                        session->fetch_base_percentage +
-                        (((gfloat) count) / ((gfloat) lines)) * session->fetch_total_percentage);
 
                if (buf[0] == '.' && buf[1] == '\r') break;
                if (!llast) {
@@ -1049,6 +1159,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
 
                llast = llast->next;
        }
+       news_folder_unlock(NEWS_FOLDER(item->folder));
 
        session_set_access_time(SESSION(session));
 
@@ -1079,6 +1190,9 @@ GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
 
        first = GPOINTER_TO_INT(tmp_msgnum_list->data);
        last = first;
+       
+       news_folder_lock(NEWS_FOLDER(item->folder));
+       
        for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
                next = GPOINTER_TO_INT(elem->data);
                if(next != (last + 1)) {
@@ -1091,6 +1205,9 @@ GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
                }
                last = next;
        }
+       
+       news_folder_unlock(NEWS_FOLDER(item->folder));
+       
        session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
        session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
        tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
@@ -1107,3 +1224,28 @@ gboolean news_scan_required(Folder *folder, FolderItem *item)
 {
        return TRUE;
 }
+
+void news_synchronise(FolderItem *item) 
+{
+       news_gtk_synchronise(item);
+}
+
+static gint news_remove_folder(Folder *folder, FolderItem *item)
+{
+       gchar *path;
+
+       g_return_val_if_fail(folder != NULL, -1);
+       g_return_val_if_fail(item != NULL, -1);
+       g_return_val_if_fail(item->path != NULL, -1);
+
+       path = folder_item_get_path(item);
+       if (remove_dir_recursive(path) < 0) {
+               g_warning("can't remove directory `%s'\n", path);
+               g_free(path);
+               return -1;
+       }
+
+       g_free(path);
+       folder_item_remove(item);
+       return 0;
+}