prefs_fonts: be a little more user-friendly with the labels; news.c: remove unneeded...
[claws.git] / src / news.c
index 84577b42cb4c9a25539c27575adcc116a88b9201..910188bdafb0f90b0b107f0a4952bb7c00c89097 100644 (file)
@@ -40,7 +40,6 @@
 #include "procheader.h"
 #include "folder.h"
 #include "session.h"
-#include "statusbar.h"
 #include "codeconv.h"
 #include "utils.h"
 #include "prefs_common.h"
@@ -48,6 +47,8 @@
 #include "inputdialog.h"
 #include "log.h"
 #include "progressindicator.h"
+#include "remotefolder.h"
+#include "alertpanel.h"
 #if USE_OPENSSL
 #  include "ssl.h"
 #endif
 #define NNTPS_PORT     563
 #endif
 
+typedef struct _NewsFolder     NewsFolder;
+
+#define NEWS_FOLDER(obj)       ((NewsFolder *)obj)
+
+struct _NewsFolder
+{
+       RemoteFolder rfolder;
+
+       gboolean use_auth;
+};
+
 static void news_folder_init            (Folder        *folder,
                                          const gchar   *name,
                                          const gchar   *path);
 
+static Folder  *news_folder_new        (const gchar    *name,
+                                        const gchar    *folder);
+static void     news_folder_destroy    (Folder         *folder);
+
+static gchar *news_fetch_msg           (Folder         *folder,
+                                        FolderItem     *item,
+                                        gint            num);
+
+
 #if USE_OPENSSL
 static Session *news_session_new        (const gchar   *server,
                                          gushort        port,
@@ -90,23 +111,26 @@ static gint news_select_group               (NNTPSession   *session,
 static MsgInfo *news_parse_xover        (const gchar   *xover_str);
 static gchar *news_parse_xhdr           (const gchar   *xhdr_str,
                                          MsgInfo       *msginfo);
-static gint news_remove_msg             (Folder        *folder, 
-                                         FolderItem    *item, 
-                                         gint           num);
 gint news_get_num_list                  (Folder        *folder, 
                                          FolderItem    *item,
-                                         GSList       **list);
+                                         GSList       **list,
+                                         gboolean      *old_uids_valid);
 MsgInfo *news_get_msginfo               (Folder        *folder, 
                                          FolderItem    *item,
                                          gint           num);
 GSList *news_get_msginfos               (Folder        *folder,
                                          FolderItem    *item,
                                          GSList        *msgnum_list);
+gboolean news_scan_required             (Folder        *folder,
+                                         FolderItem    *item);
 
 gint news_post_stream                   (Folder        *folder, 
                                          FILE          *fp);
+static gchar *news_folder_get_path      (Folder        *folder);
+gchar *news_item_get_path               (Folder        *folder,
+                                         FolderItem    *item);
 
-FolderClass news_class =
+static FolderClass news_class =
 {
        F_NEWS,
        "news",
@@ -117,18 +141,24 @@ FolderClass news_class =
        news_folder_destroy,
        NULL,
        NULL,
+       NULL,
+       NULL,
 
        /* FolderItem functions */
        NULL,
        NULL,
        NULL,
        NULL,
+       news_item_get_path,
        NULL,
-       news_get_num_list,
        NULL,
        NULL,
        NULL,
+       news_get_num_list,
+       NULL,
+       NULL,
        NULL,
+       news_scan_required,
 
        /* Message functions */
        news_get_msginfo,
@@ -139,34 +169,32 @@ FolderClass news_class =
        NULL,
        NULL,
        NULL,
-       news_remove_msg,
-       NULL,
        NULL,
        NULL,
        NULL,
 };
 
-FolderClass *news_get_class()
+FolderClass *news_get_class(void)
 {
        return &news_class;
 }
 
-Folder *news_folder_new(const gchar *name, const gchar *path)
+static Folder *news_folder_new(const gchar *name, const gchar *path)
 {
        Folder *folder;
 
        folder = (Folder *)g_new0(NewsFolder, 1);
-       folder->class = &news_class;
+       folder->klass = &news_class;
        news_folder_init(folder, name, path);
 
        return folder;
 }
 
-void news_folder_destroy(Folder *folder)
+static void news_folder_destroy(Folder *folder)
 {
        gchar *dir;
 
-       dir = folder_get_path(folder);
+       dir = news_folder_get_path(folder);
        if (is_dir_exist(dir))
                remove_dir_recursive(dir);
        g_free(dir);
@@ -190,50 +218,19 @@ static Session *news_session_new(const gchar *server, gushort port,
 #endif
 {
        gchar buf[NNTPBUFSIZE];
-       NNTPSession *session;
-       NNTPSockInfo *nntp_sock;
+       Session *session;
 
        g_return_val_if_fail(server != NULL, NULL);
 
        log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
 
 #if USE_OPENSSL
-       if (userid && passwd)
-               nntp_sock = nntp_open_auth(server, port, buf, userid, passwd,
-                                          ssl_type);
-       else
-               nntp_sock = nntp_open(server, port, buf, ssl_type);
+       session = nntp_session_new(server, port, buf, userid, passwd, ssl_type);
 #else
-       if (userid && passwd)
-               nntp_sock = nntp_open_auth(server, port, buf, userid, passwd);
-       else
-               nntp_sock = nntp_open(server, port, buf);
+       session = nntp_session_new(server, port, buf, userid, passwd);
 #endif
 
-       if (nntp_sock == NULL)
-               return NULL;
-
-       session = g_new0(NNTPSession, 1);
-       session_init(SESSION(session));
-       SESSION(session)->type             = SESSION_NEWS;
-       SESSION(session)->server           = g_strdup(server);
-       SESSION(session)->sock             = NULL;
-       SESSION(session)->data             = NULL;
-
-       SESSION(session)->destroy          = news_session_destroy;
-
-       session->nntp_sock                 = nntp_sock;
-       session->group                     = NULL;
-
-       return SESSION(session);
-}
-
-void news_session_destroy(Session *session)
-{
-       nntp_close(NNTP_SESSION(session)->nntp_sock);
-       NNTP_SESSION(session)->nntp_sock = NULL;
-
-       g_free(NNTP_SESSION(session)->group);
+       return session;
 }
 
 static Session *news_session_new_for_folder(Folder *folder)
@@ -268,14 +265,14 @@ static Session *news_session_new_for_folder(Folder *folder)
        session = news_session_new(ac->nntp_server, port, userid, passwd);
 #endif
        if ((session != NULL) && ac->use_nntp_auth && ac->use_nntp_auth_onconnect)
-               nntp_forceauth(NNTP_SESSION(session)->nntp_sock, buf, userid, passwd);
+               nntp_forceauth(NNTP_SESSION(session), buf, userid, passwd);
 
        g_free(passwd);
 
        return session;
 }
 
-NNTPSession *news_session_get(Folder *folder)
+static NNTPSession *news_session_get(Folder *folder)
 {
        RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 
@@ -283,6 +280,9 @@ 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)
+               return NULL;
+
        if (!rfolder->session) {
                rfolder->session = news_session_new_for_folder(folder);
                return NNTP_SESSION(rfolder->session);
@@ -293,7 +293,7 @@ NNTPSession *news_session_get(Folder *folder)
                return NNTP_SESSION(rfolder->session);
        }
 
-       if (nntp_mode(NNTP_SESSION(rfolder->session)->nntp_sock, FALSE)
+       if (nntp_mode(NNTP_SESSION(rfolder->session), FALSE)
            != NN_SUCCESS) {
                log_warning("NNTP connection to %s:%d has been"
                              " disconnected. Reconnecting...\n",
@@ -309,7 +309,7 @@ NNTPSession *news_session_get(Folder *folder)
        return NNTP_SESSION(rfolder->session);
 }
 
-gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
+static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 {
        gchar *path, *filename;
        NNTPSession *session;
@@ -356,62 +356,6 @@ gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
        return filename;
 }
 
-gint news_scan_group(Folder *folder, FolderItem *item)
-{
-       NNTPSession *session;
-       gint num = 0, first = 0, last = 0;
-       gint ok;
-
-       g_return_val_if_fail(folder != NULL, -1);
-       g_return_val_if_fail(item != NULL, -1);
-
-       session = news_session_get(folder);
-       if (!session) return -1;
-
-       ok = news_select_group(session, item->path, &num, &first, &last);
-       if (ok != NN_SUCCESS) {
-               log_warning("can't set group: %s\n", item->path);
-               return -1;
-       }
-
-       if (num == 0) {
-               item->new = item->unread = item->total = item->last_num = 0;
-               return 0;
-       }
-
-/*
-       path = folder_item_get_path(item);
-       if (path && is_dir_exist(path)) {
-               procmsg_get_mark_sum(path, &new, &unread, &total, &min, &max,
-                                    first);
-       }
-       g_free(path);
-
-       if (max < first || last < min)
-               new = unread = total = num;
-       else {
-               if (min < first)
-                       min = first;
-
-               if (last < max)
-                       max = last;
-               else if (max < last) {
-                       new += last - max;
-                       unread += last - max;
-               }
-
-               if (new > num) new = num;
-               if (unread > num) unread = num;
-       }
-
-       item->new = new;
-       item->unread = unread;
-       item->total = num;
-       item->last_num = last;
-*/
-       return 0;
-}
-
 static NewsGroupInfo *news_group_info_new(const gchar *name,
                                          gint first, gint last, gchar type)
 {
@@ -464,12 +408,11 @@ GSList *news_get_group_list(Folder *folder)
                        return NULL;
                }
 
-               if (nntp_list(session->nntp_sock) != NN_SUCCESS) {
+               if (nntp_list(session) != NN_SUCCESS) {
                        g_free(filename);
                        return NULL;
                }
-               if (recv_write_to_file
-                       (session->nntp_sock->sock, filename) < 0) {
+               if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
                        log_warning("can't retrieve newsgroup list\n");
                        session_destroy(SESSION(session));
                        REMOTE_FOLDER(folder)->session = NULL;
@@ -581,7 +524,7 @@ gint news_post_stream(Folder *folder, FILE *fp)
        session = news_session_get(folder);
        if (!session) return -1;
 
-       ok = nntp_post(session->nntp_sock, fp);
+       ok = nntp_post(session, fp);
        if (ok != NN_SUCCESS) {
                log_warning("can't post article.\n");
                return -1;
@@ -595,14 +538,14 @@ static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
 {
        gchar *msgid;
 
-       if (nntp_get_article(session->nntp_sock, cmd, num, &msgid)
+       if (nntp_get_article(session, cmd, num, &msgid)
            != NN_SUCCESS)
                return -1;
 
        debug_print("Message-Id = %s, num = %d\n", msgid, num);
        g_free(msgid);
 
-       if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
+       if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
                log_warning("can't retrieve article %d\n", num);
                return -1;
        }
@@ -610,19 +553,6 @@ static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
        return 0;
 }
 
-static gint news_remove_msg(Folder *folder, FolderItem *item, gint num)
-{
-       gchar * dir;
-       gint r;
-
-       dir = folder_item_get_path(item);
-       debug_print("news_remove_msg: removing msg %d in %s\n",num,dir);
-       r = remove_numbered_files(dir, num, num);
-       g_free(dir);
-
-       return r;
-}
-
 static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
 {
        return news_get_article_cmd(session, "ARTICLE", num, filename);
@@ -658,7 +588,7 @@ static gint news_select_group(NNTPSession *session, const gchar *group,
        g_free(session->group);
        session->group = NULL;
 
-       ok = nntp_group(session->nntp_sock, group, num, first, last);
+       ok = nntp_group(session, group, num, first, last);
        if (ok == NN_SUCCESS)
                session->group = g_strdup(group);
 
@@ -677,7 +607,7 @@ static MsgInfo *news_parse_xover(const gchar *xover_str)
 {
        MsgInfo *msginfo;
        gchar buf[NNTPBUFSIZE];
-       gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp, *xref;
+       gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
        gchar *p;
        gint num, size_int, line_int;
        gchar *xover_buf;
@@ -691,9 +621,15 @@ static MsgInfo *news_parse_xover(const gchar *xover_str)
        PARSE_ONE_PARAM(ref, msgid);
        PARSE_ONE_PARAM(size, ref);
        PARSE_ONE_PARAM(line, size);
-       PARSE_ONE_PARAM(xref, line);
-
-       tmp = strchr(xref, '\t');
+       /*
+        * PARSE_ONE_PARAM(xref, line);
+        *
+         * if we parse extra headers we should first examine the
+        * LIST OVERVIEW.FMT response from the server. See
+        * RFC2980 for details
+        */
+
+       tmp = strchr(line, '\t');
        if (!tmp) tmp = strchr(line, '\r');
        if (!tmp) tmp = strchr(line, '\n');
        if (tmp) *tmp = '\0';
@@ -731,12 +667,14 @@ static MsgInfo *news_parse_xover(const gchar *xover_str)
                        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--;
        }
+       */
 
        return msginfo;
 }
@@ -806,7 +744,49 @@ gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
        return 0;
 }
 
-gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list)
+static gchar *news_folder_get_path(Folder *folder)
+{
+       gchar *folder_path;
+
+        g_return_val_if_fail(folder->account != NULL, NULL);
+
+        folder_path = g_strconcat(get_news_cache_dir(),
+                                  G_DIR_SEPARATOR_S,
+                                  folder->account->nntp_server,
+                                  NULL);
+       return folder_path;
+}
+
+gchar *news_item_get_path(Folder *folder, FolderItem *item)
+{
+       gchar *folder_path, *path;
+
+       g_return_val_if_fail(folder != NULL, NULL);
+       g_return_val_if_fail(item != NULL, NULL);
+       folder_path = news_folder_get_path(folder);
+
+        g_return_val_if_fail(folder_path != NULL, NULL);
+        if (folder_path[0] == G_DIR_SEPARATOR) {
+                if (item->path)
+                        path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
+                                           item->path, NULL);
+                else
+                        path = g_strdup(folder_path);
+        } else {
+                if (item->path)
+                        path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
+                                           folder_path, G_DIR_SEPARATOR_S,
+                                           item->path, NULL);
+                else
+                        path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
+                                           folder_path, NULL);
+        }
+        g_free(folder_path);
+
+       return path;
+}
+
+gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 {
        NNTPSession *session;
        gint i, ok, num, first, last, nummsgs = 0;
@@ -819,26 +799,30 @@ gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list)
        session = news_session_get(folder);
        g_return_val_if_fail(session != NULL, -1);
 
+       *old_uids_valid = TRUE;
+
        ok = news_select_group(session, item->path, &num, &first, &last);
        if (ok != NN_SUCCESS) {
                log_warning(_("can't set group: %s\n"), item->path);
                return -1;
        }
 
-       if(last < first) {
+       dir = news_folder_get_path(folder);
+       if (num <= 0)
+               remove_all_numbered_files(dir);
+       else if (last < first)
                log_warning(_("invalid article range: %d - %d\n"),
                            first, last);
-               return 0;
-       }
-
-       for(i = first; i <= last; i++) {
-               *msgnum_list = g_slist_prepend(*msgnum_list, GINT_TO_POINTER(i));
-               nummsgs++;
+       else {
+               for (i = first; i <= last; i++) {
+                       *msgnum_list = g_slist_prepend(*msgnum_list, 
+                                                      GINT_TO_POINTER(i));
+                       nummsgs++;
+               }
+               debug_print("removing old messages from %d to %d in %s\n",
+                           first, last, dir);
+               remove_numbered_files(dir, 1, first - 1);
        }
-
-       dir = folder_item_get_path(item);
-       debug_print("removing old messages from %d to %d in %s\n", first, last, dir);
-       remove_numbered_files(dir, 1, first - 1);
        g_free(dir);
 
        return nummsgs;
@@ -866,7 +850,7 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
 
        log_message(_("getting xover %d in %s...\n"),
                    num, item->path);
-       if (nntp_xover(session->nntp_sock, num, num) != NN_SUCCESS) {
+       if (nntp_xover(session, num, num) != NN_SUCCESS) {
                log_warning(_("can't get xover\n"));
                return NULL;
        }
@@ -891,7 +875,7 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
        msginfo->flags.tmp_flags = MSG_NEWS;
        msginfo->newsgroups = g_strdup(item->path);
 
-       if (nntp_xhdr(session->nntp_sock, "to", num, num) != NN_SUCCESS) {
+       if (nntp_xhdr(session, "to", num, num) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
                return msginfo;
        }
@@ -905,7 +889,7 @@ MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
 
        READ_TO_LISTEND("xhdr (to)");
 
-       if (nntp_xhdr(session->nntp_sock, "cc", num, num) != NN_SUCCESS) {
+       if (nntp_xhdr(session, "cc", num, num) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
                return msginfo;
        }
@@ -935,7 +919,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
 
        log_message(_("getting xover %d - %d in %s...\n"),
                    begin, end, item->path);
-       if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
+       if (nntp_xover(session, begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xover\n"));
                return NULL;
        }
@@ -972,7 +956,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                }
        }
 
-       if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
+       if (nntp_xhdr(session, "to", begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
                return newlist;
        }
@@ -1002,7 +986,7 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
                llast = llast->next;
        }
 
-       if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
+       if (nntp_xhdr(session, "cc", begin, end) != NN_SUCCESS) {
                log_warning(_("can't get xhdr\n"));
                return newlist;
        }
@@ -1035,11 +1019,6 @@ static GSList *news_get_msginfos_for_range(NNTPSession *session, FolderItem *ite
        return newlist;
 }
 
-gint news_fetch_msgnum_sort(gconstpointer a, gconstpointer b)
-{
-       return (GPOINTER_TO_INT(a) - GPOINTER_TO_INT(b));
-}
-
 GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
 {
        NNTPSession *session;
@@ -1056,7 +1035,7 @@ GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
        g_return_val_if_fail(session != NULL, NULL);
 
        tmp_msgnum_list = g_slist_copy(msgnum_list);
-       tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, news_fetch_msgnum_sort);
+       tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
 
        progressindicator_start(PROGRESS_TYPE_NETWORK);
        tofetch = g_slist_length(tmp_msgnum_list);
@@ -1087,3 +1066,8 @@ GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
 
        return msginfo_list;
 }
+
+gboolean news_scan_required(Folder *folder, FolderItem *item)
+{
+       return TRUE;
+}