src/procmsg.h

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2018 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __PROCMSG_H__
  20 #define __PROCMSG_H__
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "claws-features.h"
  24 #endif
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <time.h>
  29 #include <sys/types.h>
  30 #include <string.h>
  31 #include "common/utils.h"
  32 #include "proctypes.h"
  33
  34 #define MSG_NEW                 (1U << 0)
  35 #define MSG_UNREAD              (1U << 1)
  36 #define MSG_MARKED              (1U << 2)
  37 #define MSG_DELETED             (1U << 3)
  38 #define MSG_REPLIED             (1U << 4)
  39 #define MSG_FORWARDED           (1U << 5)
  40
  41 #define MSG_CLABEL_SBIT (6)             /* start bit of color label */
  42 /* color labels use 4 bits: 6, 7, 8, 9; bit weight is 7<8<9<6,
  43   IOW the color label value itself must be computed from MsgPermFlags
  44   bits like this:
  45   value =   bit-7-value*2^0
  46           + bit-8-value*2^1
  47           + bit-9-value*2^2
  48           + bit-6-value*2^3 */
  49
  50 /* color label permflags masks */
  51 #define MAKE_MSG_CLABEL(x, h, m, l)     (\
  52                                          ((x) << (MSG_CLABEL_SBIT + 0)) | \
  53                                          ((h) << (MSG_CLABEL_SBIT + 3)) | \
  54                                          ((m) << (MSG_CLABEL_SBIT + 2)) | \
  55                                          ((l) << (MSG_CLABEL_SBIT + 1)))
  56 #define MSG_CLABEL_NONE         MAKE_MSG_CLABEL(0U, 0U, 0U, 0U)
  57 #define MSG_CLABEL_1            MAKE_MSG_CLABEL(0U, 0U, 0U, 1U)
  58 #define MSG_CLABEL_2            MAKE_MSG_CLABEL(0U, 0U, 1U, 0U)
  59 #define MSG_CLABEL_3            MAKE_MSG_CLABEL(0U, 0U, 1U, 1U)
  60 #define MSG_CLABEL_4            MAKE_MSG_CLABEL(0U, 1U, 0U, 0U)
  61 #define MSG_CLABEL_5            MAKE_MSG_CLABEL(0U, 1U, 0U, 1U)
  62 #define MSG_CLABEL_6            MAKE_MSG_CLABEL(0U, 1U, 1U, 0U)
  63 #define MSG_CLABEL_7            MAKE_MSG_CLABEL(0U, 1U, 1U, 1U)
  64 #define MSG_CLABEL_8            MAKE_MSG_CLABEL(1U, 0U, 0U, 0U)
  65 #define MSG_CLABEL_9            MAKE_MSG_CLABEL(1U, 0U, 0U, 1U)
  66 #define MSG_CLABEL_10           MAKE_MSG_CLABEL(1U, 0U, 1U, 0U)
  67 #define MSG_CLABEL_11           MAKE_MSG_CLABEL(1U, 0U, 1U, 1U)
  68 #define MSG_CLABEL_12           MAKE_MSG_CLABEL(1U, 1U, 0U, 0U)
  69 #define MSG_CLABEL_13           MAKE_MSG_CLABEL(1U, 1U, 0U, 1U)
  70 #define MSG_CLABEL_14           MAKE_MSG_CLABEL(1U, 1U, 1U, 0U)
  71 #define MSG_CLABEL_15           MAKE_MSG_CLABEL(1U, 1U, 1U, 1U)
  72 #define MSG_CLABEL_FLAG_MASK    (MSG_CLABEL_15)
  73
  74 #define MSG_IGNORE_THREAD       (1U << 10)   /* ignore threads */
  75 #define MSG_LOCKED              (1U << 11)   /* msg is locked  */
  76 #define MSG_RETRCPT_SENT        (1U << 12)   /* new one */
  77 #define MSG_SPAM                (1U << 13)   /* new one */
  78 #define MSG_POSTFILTERED        (1U << 14)
  79 #define MSG_WATCH_THREAD        (1U << 15)   /* watch threads */
  80 #define MSG_FULLY_CACHED        (1U << 16)   /* IMAP: fully cached */
  81 #define MSG_RETRCPT_GOT         (1U << 17)   /* got return receipt */
  82
  83 /* RESERVED */
  84 #define MSG_RESERVED_CLAWS      (1U << 30)   /* for Claws Mail */
  85 #define MSG_RESERVED            (1U << 31)
  86
  87 #define MSG_MOVE                (1U << 0)
  88 #define MSG_COPY                (1U << 1)
  89 #define MSG_MOVE_DONE           (1U << 15)
  90 #define MSG_QUEUED              (1U << 16)
  91 #define MSG_DRAFT               (1U << 17)
  92 #define MSG_ENCRYPTED           (1U << 18)
  93 #define MSG_IMAP                (1U << 19)
  94 #define MSG_NEWS                (1U << 20)
  95 #define MSG_SIGNED              (1U << 21)
  96 #define MSG_MULTIPART           (1U << 29)
  97 #define MSG_HAS_ATTACHMENT      (1U << 30)
  98 #define MSG_SCANNED             (1U << 31)
  99
 100 #define MSG_CACHED_FLAG_MASK    (MSG_MULTIPART | MSG_ENCRYPTED | MSG_SIGNED | MSG_HAS_ATTACHMENT | MSG_SCANNED)
 101
 102 #define MSG_SET_FLAGS(msg, flags)       { (msg) |= (flags); }
 103 #define MSG_UNSET_FLAGS(msg, flags)     { (msg) &= ~(flags); }
 104 #define MSG_SET_PERM_FLAGS(msg, flags) \
 105         MSG_SET_FLAGS((msg).perm_flags, flags)
 106 #define MSG_SET_TMP_FLAGS(msg, flags) \
 107         MSG_SET_FLAGS((msg).tmp_flags, flags)
 108 #define MSG_UNSET_PERM_FLAGS(msg, flags) \
 109         MSG_UNSET_FLAGS((msg).perm_flags, flags)
 110 #define MSG_UNSET_TMP_FLAGS(msg, flags) \
 111         MSG_UNSET_FLAGS((msg).tmp_flags, flags)
 112
 113 #define MSG_IS_NEW(msg)                 (((msg).perm_flags & MSG_NEW) != 0)
 114 #define MSG_IS_UNREAD(msg)              (((msg).perm_flags & MSG_UNREAD) != 0)
 115 #define MSG_IS_MARKED(msg)              (((msg).perm_flags & MSG_MARKED) != 0)
 116 #define MSG_IS_DELETED(msg)             (((msg).perm_flags & MSG_DELETED) != 0)
 117 #define MSG_IS_REPLIED(msg)             (((msg).perm_flags & MSG_REPLIED) != 0)
 118 #define MSG_IS_LOCKED(msg)              (((msg).perm_flags & MSG_LOCKED) != 0)
 119 #define MSG_IS_FORWARDED(msg)           (((msg).perm_flags & MSG_FORWARDED) != 0)
 120 #define MSG_IS_POSTFILTERED(msg)        (((msg).perm_flags & MSG_POSTFILTERED) != 0)
 121
 122 /* color label decoding/encoding (permflag storage bits <-> color list index value)*/
 123 #define MSG_COLORLABEL_TO_FLAGS(val) (((((guint)(val)) & 7) << (MSG_CLABEL_SBIT+1)) \
 124                                                                           | (((guint)(val) & 8) << (MSG_CLABEL_SBIT-3)))
 125 #define MSG_COLORLABEL_FROM_FLAGS(val) ((((guint)(val) >> (MSG_CLABEL_SBIT+1)) & 7 ) \
 126                                                                                 | (((guint)(val) >> (MSG_CLABEL_SBIT-3)) & 8))
 127 #define MSG_GET_COLORLABEL(msg)         (((msg).perm_flags & MSG_CLABEL_FLAG_MASK))
 128 #define MSG_GET_COLORLABEL_VALUE(msg)   (MSG_COLORLABEL_FROM_FLAGS(MSG_GET_COLORLABEL(msg)))
 129 #define MSG_SET_COLORLABEL_VALUE(msg, val)      MSG_SET_PERM_FLAGS(msg, MSG_COLORLABEL_TO_FLAGS(val))
 130
 131 #define MSG_IS_MOVE(msg)                (((msg).tmp_flags & MSG_MOVE) != 0)
 132 #define MSG_IS_COPY(msg)                (((msg).tmp_flags & MSG_COPY) != 0)
 133 #define MSG_IS_MOVE_DONE(msg)           (((msg).tmp_flags & MSG_MOVE_DONE) != 0)
 134
 135 #define MSG_IS_QUEUED(msg)              (((msg).tmp_flags & MSG_QUEUED) != 0)
 136 #define MSG_IS_DRAFT(msg)               (((msg).tmp_flags & MSG_DRAFT) != 0)
 137 #define MSG_IS_ENCRYPTED(msg)           (((msg).tmp_flags & MSG_ENCRYPTED) != 0)
 138 #define MSG_IS_SIGNED(msg)              (((msg).tmp_flags & MSG_SIGNED) != 0)
 139 #define MSG_IS_IMAP(msg)                (((msg).tmp_flags & MSG_IMAP) != 0)
 140 #define MSG_IS_NEWS(msg)                (((msg).tmp_flags & MSG_NEWS) != 0)
 141 #define MSG_IS_MULTIPART(msg)           (((msg).tmp_flags & MSG_MULTIPART) != 0)
 142 #define MSG_IS_WITH_ATTACHMENT(msg)     (((msg).tmp_flags & MSG_HAS_ATTACHMENT) != 0)
 143 #define MSG_IS_SCANNED(msg)             (((msg).tmp_flags & MSG_SCANNED) != 0)
 144
 145 /* Claws related flags */
 146 #define MSG_IS_IGNORE_THREAD(msg)       (((msg).perm_flags & MSG_IGNORE_THREAD) != 0)
 147 #define MSG_IS_RETRCPT_SENT(msg)        (((msg).perm_flags & MSG_RETRCPT_SENT) != 0)
 148 #define MSG_IS_RETRCPT_GOT(msg)         (((msg).perm_flags & MSG_RETRCPT_GOT) != 0)
 149 #define MSG_IS_SPAM(msg)                (((msg).perm_flags & MSG_SPAM) != 0)
 150 #define MSG_IS_WATCH_THREAD(msg)        (((msg).perm_flags & MSG_WATCH_THREAD) != 0)
 151 #define MSG_IS_FULLY_CACHED(msg)        (((msg).perm_flags & MSG_FULLY_CACHED) != 0)
 152
 153 #define MSGINFO_UPDATE_HOOKLIST "msginfo_update"
 154 #define MAIL_FILTERING_HOOKLIST "mail_filtering_hooklist"
 155 #define MAIL_LISTFILTERING_HOOKLIST "mail_listfiltering_hooklist"
 156 #define MAIL_POSTFILTERING_HOOKLIST "mail_postfiltering_hooklist"
 157
 158 typedef enum {
 159         MSGINFO_UPDATE_FLAGS = 1 << 0,
 160         MSGINFO_UPDATE_DELETED = 1 << 1
 161 } MsgInfoUpdateFlags;
 162
 163 #include "prefs_account.h"
 164 #include "prefs_filtering.h"
 165 #include "folder.h"
 166
 167 struct _MsgFlags
 168 {
 169         MsgPermFlags perm_flags;
 170         MsgTmpFlags  tmp_flags;
 171 };
 172
 173 typedef enum {
 174         IS_NOTHING = 0,
 175         IS_MOVE,
 176         IS_COPY,
 177         IS_DELE
 178 } FiltOp;
 179
 180 /* *********************************************************** *
 181  * WARNING: When adding or removing members to this structure, *
 182  * be sure to update procmsg.c::procmsg_msginfo_memusage()  to *
 183  * avoid underestimating cache memory usage - especially since *
 184  * this would cause an overflow and metadata loss when writing *
 185  * the cache to disk.                                          *
 186  * *********************************************************** */
 187 struct _MsgInfo
 188 {
 189         guint refcnt;
 190
 191         guint  msgnum;
 192         goffset  size;
 193         time_t mtime;
 194         time_t date_t;
 195         time_t thread_date;
 196
 197         MsgFlags flags;
 198
 199         gchar *fromname;
 200
 201         gchar *date;
 202         gchar *from;
 203         gchar *to;
 204         gchar *cc;
 205         gchar *newsgroups;
 206         gchar *subject;
 207         gchar *msgid;
 208         gchar *inreplyto;
 209         gchar *xref;
 210
 211         FolderItem *folder;
 212         FolderItem *to_folder;
 213
 214         FolderItem *to_filter_folder;
 215         FiltOp filter_op;
 216
 217         GSList *references;
 218         gchar *fromspace;
 219
 220         gint score;
 221
 222         /* used only for encrypted messages */
 223         gchar *plaintext_file;
 224
 225         gint hidden;
 226
 227         /* used only for partially received messages */
 228         gint total_size;
 229         gint planned_download;
 230
 231         /* list of tags ids */
 232         GSList *tags;
 233
 234         MsgInfoExtraData *extradata;
 235 };
 236
 237 struct _MsgInfoExtraData
 238 {
 239         GSList *avatars;
 240
 241         gchar *dispositionnotificationto;
 242         gchar *returnreceiptto;
 243
 244         gchar *resent_from;
 245
 246         /* used only for partially received messages */
 247         gchar *partial_recv;
 248         gchar *account_server;
 249         gchar *account_login;
 250
 251         /* Mailing list support */
 252         gchar *list_post;
 253         gchar *list_subscribe;
 254         gchar *list_unsubscribe;
 255         gchar *list_help;
 256         gchar *list_archive;
 257         gchar *list_owner;
 258 };
 259
 260 struct _MsgInfoAvatar
 261 {
 262         gint avatar_id;
 263         gchar *avatar_src;
 264 };
 265
 266 struct _MsgFileInfo
 267 {
 268         MsgInfo *msginfo;
 269         gchar *file;
 270         MsgFlags *flags;
 271 };
 272
 273 struct _MsgInfoUpdate {
 274         MsgInfo *msginfo;
 275         MsgInfoUpdateFlags flags;
 276 };
 277
 278 struct _MailFilteringData
 279 {
 280         MsgInfo *msginfo;
 281         GSList  *msglist;
 282         GSList  *filtered;
 283         GSList  *unfiltered;
 284         PrefsAccount *account;
 285 };
 286
 287 struct  _AvatarCaptureData
 288 {
 289         MsgInfo *msginfo;
 290         const gchar *header;
 291         const gchar *content;
 292 };
 293
 294 GSList *procmsg_read_cache              (FolderItem     *item,
 295                                          gboolean        scan_file);
 296 void    procmsg_msg_list_free           (MsgInfoList    *mlist);
 297 MsgNumberList *procmsg_get_number_list_for_msgs(MsgInfoList *msglist);
 298 void    procmsg_get_mark_sum            (const gchar    *folder,
 299                                          gint           *new_msgs,
 300                                          gint           *unread_msgs,
 301                                          gint           *total_msgs,
 302                                          gint           *min,
 303                                          gint           *max,
 304                                          gint            first);
 305
 306 GNode  *procmsg_get_thread_tree         (GSList         *mlist);
 307
 308 gint    procmsg_move_messages           (GSList         *mlist);
 309 void    procmsg_copy_messages           (GSList         *mlist);
 310
 311 /* return path is locale charset */
 312 gchar  *procmsg_get_message_file_path   (MsgInfo        *msginfo);
 313 gchar  *procmsg_get_message_file        (MsgInfo        *msginfo);
 314 gchar  *procmsg_get_message_file_full   (MsgInfo        *msginfo,
 315                                          gboolean        get_headers,
 316                                          gboolean        get_body);
 317 GSList *procmsg_get_message_file_list   (MsgInfoList    *mlist);
 318 void    procmsg_message_file_list_free  (MsgInfoList    *file_list);
 319 FILE   *procmsg_open_message            (MsgInfo        *msginfo,
 320                                          gboolean       skip_special_headers);
 321 gboolean procmsg_msg_exist              (MsgInfo        *msginfo);
 322
 323 void    procmsg_get_filter_keyword      (MsgInfo          *msginfo,
 324                                          gchar           **header,
 325                                          gchar           **key,
 326                                          PrefsFilterType   type);
 327
 328 void    procmsg_empty_all_trash         (void);
 329
 330 gint    procmsg_send_queue              (FolderItem     *queue,
 331                                          gboolean        save_msgs,
 332                                          gchar          **errstr);
 333 gboolean procmsg_queue_lock             (gchar          **errstr);
 334 void     procmsg_queue_unlock           (void);
 335 gboolean procmsg_queue_is_empty (FolderItem *queue);
 336
 337 MsgInfo *procmsg_msginfo_new            ();
 338 MsgInfo *procmsg_msginfo_new_ref        (MsgInfo        *msginfo);
 339 MsgInfo *procmsg_msginfo_copy           (MsgInfo        *msginfo);
 340 MsgInfo *procmsg_msginfo_get_full_info  (MsgInfo        *msginfo);
 341 MsgInfo *procmsg_msginfo_get_full_info_from_file
 342                                         (MsgInfo *msginfo,
 343                                         const gchar *file);
 344 void     procmsg_msginfo_free           (MsgInfo        **msginfo);
 345 guint    procmsg_msginfo_memusage       (MsgInfo        *msginfo);
 346
 347 gint procmsg_send_message_queue_with_lock(const gchar *file,
 348                                           gchar **errstr,
 349                                           FolderItem *queue,
 350                                           gint msgnum,
 351                                           gboolean *queued_removed);
 352
 353 gint procmsg_send_message_queue         (const gchar *file,
 354                                          gchar **errstr,
 355                                          FolderItem *queue,
 356                                          gint msgnum,
 357                                          gboolean *queued_removed);
 358
 359 void procmsg_msginfo_set_flags          (MsgInfo *msginfo,
 360                                          MsgPermFlags perm_flags,
 361                                          MsgTmpFlags tmp_flags);
 362 void procmsg_msginfo_unset_flags        (MsgInfo *msginfo,
 363                                          MsgPermFlags perm_flags,
 364                                          MsgTmpFlags tmp_flags);
 365 void procmsg_msginfo_change_flags       (MsgInfo *msginfo,
 366                                          MsgPermFlags add_perm_flags,
 367                                          MsgTmpFlags add_tmp_flags,
 368                                          MsgPermFlags rem_perm_flags,
 369                                          MsgTmpFlags rem_tmp_flags);
 370 gint procmsg_remove_special_headers     (const gchar    *in,
 371                                          const gchar    *out);
 372
 373 gint procmsg_save_to_outbox(FolderItem *outbox, const gchar *file,
 374                             gboolean is_queued);
 375 gboolean procmsg_msg_has_flagged_parent (MsgInfo        *info,
 376                                          MsgPermFlags    perm_flags);
 377 gboolean procmsg_msg_has_marked_parent  (MsgInfo        *info);
 378 void procmsg_msginfo_set_to_folder      (MsgInfo        *msginfo,
 379                                          FolderItem     *to_folder);
 380 void procmsg_msglist_filter             (GSList         *list,
 381                                          PrefsAccount   *ac,
 382                                          GSList         **filtered,
 383                                          GSList         **unfiltered,
 384                                          gboolean        do_filter);
 385
 386 MsgInfo *procmsg_msginfo_new_from_mimeinfo
 387                                         (MsgInfo        *src_msginfo,
 388                                          MimeInfo       *mimeinfo);
 389
 390 void procmsg_register_spam_learner (int (*learn_func)(MsgInfo *info, GSList *list, gboolean spam));
 391 void procmsg_unregister_spam_learner (int (*learn_func)(MsgInfo *info, GSList *list, gboolean spam));
 392 gboolean procmsg_spam_can_learn         (void);
 393 void procmsg_spam_set_folder            (const char *item_identifier, FolderItem *(*spam_get_folder_func)(MsgInfo *info));
 394 FolderItem *procmsg_spam_get_folder     (MsgInfo *msginfo);
 395 int procmsg_spam_learner_learn  (MsgInfo *msginfo, GSList *msglist, gboolean spam);
 396 gboolean procmsg_have_queued_mails_fast (void);
 397 gboolean procmsg_have_trashed_mails_fast (void);
 398 gboolean procmsg_is_sending(void);
 399 gchar *procmsg_msginfo_get_tags_str(MsgInfo *msginfo);
 400 void procmsg_msginfo_update_tags(MsgInfo *msginfo, gboolean set, gint id);
 401 void procmsg_msginfo_clear_tags(MsgInfo *msginfo);
 402 void procmsg_msginfo_commit_tags(GSList *msglist);
 403 MsgInfo *procmsg_get_msginfo_from_identifier(const gchar *id);
 404 gchar *procmsg_msginfo_get_identifier(MsgInfo *msginfo);
 405
 406 gchar *procmsg_msginfo_get_avatar(MsgInfo *msginfo, gint type);
 407 void procmsg_msginfo_add_avatar(MsgInfo *msginfo, gint type, const gchar *data);
 408 #endif /* __PROCMSG_H__ */