src/messageview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 Hiroyuki Yamamoto
   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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkvbox.h>
  25 #include <gtk/gtkcontainer.h>
  26 #include <gtk/gtkeditable.h>
  27 #include <gtk/gtkwindow.h>
  28 #include <gtk/gtktext.h>
  29 #include <stdio.h>
  30 #include <ctype.h>
  31 #include <string.h>
  32
  33 #include "intl.h"
  34 #include "main.h"
  35 #include "messageview.h"
  36 #include "headerview.h"
  37 #include "textview.h"
  38 #include "imageview.h"
  39 #include "mimeview.h"
  40 #include "procmsg.h"
  41 #include "procheader.h"
  42 #include "procmime.h"
  43 #include "prefs_common.h"
  44 #include "gtkutils.h"
  45 #include "utils.h"
  46 #include "rfc2015.h"
  47 #include "account.h"
  48 #include "alertpanel.h"
  49 #include "send.h"
  50
  51 static void messageview_change_view_type(MessageView    *messageview,
  52                                          MessageType     type);
  53 static void messageview_destroy_cb      (GtkWidget      *widget,
  54                                          MessageView    *messageview);
  55 static void messageview_size_allocate_cb(GtkWidget      *widget,
  56                                          GtkAllocation  *allocation);
  57 static void key_pressed                 (GtkWidget      *widget,
  58                                          GdkEventKey    *event,
  59                                          MessageView    *messageview);
  60
  61 MessageView *messageview_create(void)
  62 {
  63         MessageView *messageview;
  64         GtkWidget *vbox;
  65         HeaderView *headerview;
  66         TextView *textview;
  67         ImageView *imageview;
  68         MimeView *mimeview;
  69
  70         debug_print(_("Creating message view...\n"));
  71         messageview = g_new0(MessageView, 1);
  72
  73         messageview->type = MVIEW_TEXT;
  74
  75         headerview = headerview_create();
  76
  77         textview = textview_create();
  78         textview->messageview = messageview;
  79
  80         imageview = imageview_create();
  81         imageview->messageview = messageview;
  82
  83         mimeview = mimeview_create();
  84         mimeview->textview = textview;
  85         mimeview->imageview = imageview;
  86         mimeview->messageview = messageview;
  87
  88         vbox = gtk_vbox_new(FALSE, 0);
  89         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
  90                            FALSE, FALSE, 0);
  91         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(textview),
  92                            TRUE, TRUE, 0);
  93
  94         /* to remove without destroyed */
  95         gtk_widget_ref(GTK_WIDGET_PTR(textview));
  96         gtk_widget_ref(GTK_WIDGET_PTR(imageview));
  97         gtk_widget_ref(GTK_WIDGET_PTR(mimeview));
  98
  99         messageview->vbox       = vbox;
 100         messageview->new_window = FALSE;
 101         messageview->window     = NULL;
 102         messageview->headerview = headerview;
 103         messageview->textview   = textview;
 104         messageview->imageview  = imageview;
 105         messageview->mimeview   = mimeview;
 106
 107         return messageview;
 108 }
 109
 110 MessageView *messageview_create_with_new_window(void)
 111 {
 112         GtkWidget *window;
 113         MessageView *msgview;
 114
 115         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 116         gtk_window_set_title(GTK_WINDOW(window), "Message");
 117         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
 118         gtk_widget_set_usize(window, prefs_common.msgwin_width,
 119                              prefs_common.msgwin_height);
 120
 121         msgview = messageview_create();
 122
 123         gtk_signal_connect(GTK_OBJECT(window), "size_allocate",
 124                            GTK_SIGNAL_FUNC(messageview_size_allocate_cb),
 125                            msgview);
 126         gtk_signal_connect(GTK_OBJECT(window), "destroy",
 127                            GTK_SIGNAL_FUNC(messageview_destroy_cb), msgview);
 128         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 129                            GTK_SIGNAL_FUNC(key_pressed), msgview);
 130
 131         gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET_PTR(msgview));
 132         gtk_widget_grab_focus(msgview->textview->text);
 133         gtk_widget_show_all(window);
 134
 135         msgview->new_window = TRUE;
 136         msgview->window = window;
 137
 138         messageview_init(msgview);
 139
 140         return msgview;
 141 }
 142
 143 void messageview_init(MessageView *messageview)
 144 {
 145         headerview_init(messageview->headerview);
 146         textview_init(messageview->textview);
 147         imageview_init(messageview->imageview);
 148         mimeview_init(messageview->mimeview);
 149         /*messageview_set_font(messageview);*/
 150 }
 151
 152 static void notification_convert_header(gchar *dest, gint len, gchar *src,
 153                                         gint header_len)
 154 {
 155         g_return_if_fail(src != NULL);
 156         g_return_if_fail(dest != NULL);
 157
 158         if (len < 1) return;
 159
 160         remove_return(src);
 161
 162         if (is_ascii_str(src)) {
 163                 strncpy2(dest, src, len);
 164                 dest[len - 1] = '\0';
 165                 return;
 166         } else
 167                 conv_encode_header(dest, len, src, header_len);
 168 }
 169
 170 static gint disposition_notification_queue(PrefsAccount * account,
 171                                            gchar * to, const gchar *file)
 172 {
 173         FolderItem *queue;
 174         gchar *tmp, *queue_path;
 175         FILE *fp, *src_fp;
 176         GSList *cur;
 177         gchar buf[BUFFSIZE];
 178         gint num;
 179
 180         debug_print(_("queueing message...\n"));
 181         g_return_val_if_fail(account != NULL, -1);
 182
 183         tmp = g_strdup_printf("%s%cqueue.%d", g_get_tmp_dir(),
 184                               G_DIR_SEPARATOR, (gint)file);
 185         if ((fp = fopen(tmp, "w")) == NULL) {
 186                 FILE_OP_ERROR(tmp, "fopen");
 187                 g_free(tmp);
 188                 return -1;
 189         }
 190         if ((src_fp = fopen(file, "r")) == NULL) {
 191                 FILE_OP_ERROR(file, "fopen");
 192                 fclose(fp);
 193                 unlink(tmp);
 194                 g_free(tmp);
 195                 return -1;
 196         }
 197         if (change_file_mode_rw(fp, tmp) < 0) {
 198                 FILE_OP_ERROR(tmp, "chmod");
 199                 g_warning(_("can't change file mode\n"));
 200         }
 201
 202         /* queueing variables */
 203         fprintf(fp, "AF:\n");
 204         fprintf(fp, "NF:0\n");
 205         fprintf(fp, "PS:10\n");
 206         fprintf(fp, "SRH:1\n");
 207         fprintf(fp, "SFN:\n");
 208         fprintf(fp, "DSR:\n");
 209         fprintf(fp, "MID:\n");
 210         fprintf(fp, "CFG:\n");
 211         fprintf(fp, "PT:0\n");
 212         fprintf(fp, "S:%s\n", account->address);
 213         fprintf(fp, "RQ:\n");
 214         if (account->smtp_server)
 215                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 216         else
 217                 fprintf(fp, "SSV:\n");
 218         if (account->nntp_server)
 219                 fprintf(fp, "NSV:%s\n", account->nntp_server);
 220         else
 221                 fprintf(fp, "NSV:\n");
 222         fprintf(fp, "SSH:\n");
 223         fprintf(fp, "R:<%s>", to);
 224         fprintf(fp, "\n");
 225         fprintf(fp, "\n");
 226
 227         while (fgets(buf, sizeof(buf), src_fp) != NULL) {
 228                 if (fputs(buf, fp) == EOF) {
 229                         FILE_OP_ERROR(tmp, "fputs");
 230                         fclose(fp);
 231                         fclose(src_fp);
 232                         unlink(tmp);
 233                         g_free(tmp);
 234                         return -1;
 235                 }
 236         }
 237
 238         fclose(src_fp);
 239         if (fclose(fp) == EOF) {
 240                 FILE_OP_ERROR(tmp, "fclose");
 241                 unlink(tmp);
 242                 g_free(tmp);
 243                 return -1;
 244         }
 245
 246         queue = folder_get_default_queue();
 247         folder_item_scan(queue);
 248         queue_path = folder_item_get_path(queue);
 249         if (!is_dir_exist(queue_path))
 250                 make_dir_hier(queue_path);
 251         if ((num = folder_item_add_msg(queue, tmp, TRUE)) < 0) {
 252                 g_warning(_("can't queue the message\n"));
 253                 unlink(tmp);
 254                 g_free(tmp);
 255                 g_free(queue_path);
 256                 return -1;
 257         }
 258         g_free(tmp);
 259
 260         if ((fp = procmsg_open_mark_file(queue_path, TRUE)) == NULL)
 261                 g_warning(_("can't open mark file\n"));
 262         else {
 263                 MsgInfo newmsginfo;
 264
 265                 newmsginfo.msgnum = num;
 266                 newmsginfo.flags = 0;
 267                 procmsg_write_flags(&newmsginfo, fp);
 268                 fclose(fp);
 269         }
 270         g_free(queue_path);
 271
 272         folder_item_scan(queue);
 273         folderview_update_item(queue, TRUE);
 274
 275         return 0;
 276 }
 277
 278 static gint disposition_notification_send(MsgInfo * msginfo)
 279 {
 280         gchar buf[BUFFSIZE];
 281         gchar tmp[MAXPATHLEN + 1];
 282         FILE *fp;
 283         GSList * to_list;
 284         gint ok;
 285         gchar * to;
 286
 287         if ((!msginfo->returnreceiptto) &&
 288             (!msginfo->dispositionnotificationto))
 289                 return -1;
 290
 291         /* write to temporary file */
 292         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 293                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 294
 295         if ((fp = fopen(tmp, "w")) == NULL) {
 296                 FILE_OP_ERROR(tmp, "fopen");
 297                 return -1;
 298         }
 299
 300         /* chmod for security */
 301         if (change_file_mode_rw(fp, tmp) < 0) {
 302                 FILE_OP_ERROR(tmp, "chmod");
 303                 g_warning(_("can't change file mode\n"));
 304         }
 305
 306         /* Date */
 307         get_rfc822_date(buf, sizeof(buf));
 308         fprintf(fp, "Date: %s\n", buf);
 309
 310         /* From */
 311         if (cur_account->name && *cur_account->name) {
 312                 notification_convert_header
 313                         (buf, sizeof(buf), cur_account->name,
 314                          strlen("From: "));
 315                 fprintf(fp, "From: %s <%s>\n", buf, cur_account->address);
 316         } else
 317                 fprintf(fp, "From: %s\n", cur_account->address);
 318
 319         /* To */
 320         if (msginfo->dispositionnotificationto)
 321                 to = msginfo->dispositionnotificationto;
 322         else
 323                 to = msginfo->returnreceiptto;
 324         fprintf(fp, "To: %s\n", to);
 325
 326         /* Subject */
 327         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 328                                     strlen("Subject: "));
 329         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 330
 331         if (fclose(fp) == EOF) {
 332                 FILE_OP_ERROR(tmp, "fclose");
 333                 unlink(tmp);
 334                 return -1;
 335         }
 336
 337         to_list = address_list_append(NULL, msginfo->dispositionnotificationto);
 338         ok = send_message(tmp, cur_account, to_list);
 339
 340         if (ok < 0) {
 341                 if (prefs_common.queue_msg) {
 342                         AlertValue val;
 343
 344                         val = alertpanel
 345                                 (_("Queueing"),
 346                                  _("Error occurred while sending the notification.\n"
 347                                    "Put this notification into queue folder?"),
 348                                  _("OK"), _("Cancel"), NULL);
 349                         if (G_ALERTDEFAULT == val) {
 350                                 ok = disposition_notification_queue(cur_account, to, tmp);
 351                                 if (ok < 0)
 352                                         alertpanel_error(_("Can't queue the notification."));
 353                         }
 354                 } else
 355                         alertpanel_error(_("Error occurred while sending the notification."));
 356         }
 357
 358         if (unlink(tmp) < 0) FILE_OP_ERROR(tmp, "unlink");
 359
 360         return ok;
 361 }
 362
 363 void messageview_show(MessageView *messageview, MsgInfo *msginfo)
 364 {
 365         FILE *fp;
 366         gchar *file;
 367         MimeInfo *mimeinfo;
 368         MsgInfo *tmpmsginfo;
 369
 370         g_return_if_fail(msginfo != NULL);
 371
 372 #if USE_GPGME
 373         for (;;) {
 374                 if ((fp = procmsg_open_message(msginfo)) == NULL) return;
 375                 mimeinfo = procmime_scan_mime_header(fp);
 376                 if (!mimeinfo) break;
 377
 378                 if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 379                     rfc2015_is_encrypted(mimeinfo)) {
 380                         MSG_SET_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 381                 }
 382                 if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 383                     !msginfo->plaintext_file  &&
 384                     !msginfo->decryption_failed) {
 385                         /* This is an encrypted message but it has not yet
 386                          * been decrypted and there was no unsuccessful
 387                          * decryption attempt */
 388                         rfc2015_decrypt_message(msginfo, mimeinfo, fp);
 389                         if (msginfo->plaintext_file &&
 390                             !msginfo->decryption_failed) {
 391                                 fclose(fp);
 392                                 continue;
 393                         }
 394                 }
 395
 396                 break;
 397         }
 398 #else /* !USE_GPGME */
 399         if ((fp = procmsg_open_message(msginfo)) == NULL) return;
 400         mimeinfo = procmime_scan_mime_header(fp);
 401 #endif /* USE_GPGME */
 402         fclose(fp);
 403         if (!mimeinfo) return;
 404
 405         file = procmsg_get_message_file_path(msginfo);
 406         g_return_if_fail(file != NULL);
 407
 408         tmpmsginfo = procheader_parse(file, msginfo->flags, TRUE);
 409
 410         if (prefs_common.return_receipt
 411             && (tmpmsginfo->dispositionnotificationto
 412                 || tmpmsginfo->returnreceiptto)
 413             && (MSG_IS_UNREAD(msginfo->flags))) {
 414                 gint ok;
 415
 416                 if (alertpanel(_("Return Receipt"), _("Send return receipt ?"),
 417                                _("Yes"), _("No"), NULL) == G_ALERTDEFAULT) {
 418                         ok = disposition_notification_send(tmpmsginfo);
 419                         if (ok < 0)
 420                                 alertpanel_error(_("Error occurred while sending notification."));
 421                 }
 422         }
 423
 424         headerview_show(messageview->headerview, tmpmsginfo);
 425         procmsg_msginfo_free(tmpmsginfo);
 426
 427         if (mimeinfo->mime_type != MIME_TEXT) {
 428                 messageview_change_view_type(messageview, MVIEW_MIME);
 429                 mimeview_show_message(messageview->mimeview, mimeinfo, file);
 430         } else {
 431                 messageview_change_view_type(messageview, MVIEW_TEXT);
 432                 textview_show_message(messageview->textview, mimeinfo, file);
 433                 procmime_mimeinfo_free(mimeinfo);
 434         }
 435
 436         g_free(file);
 437 }
 438
 439 static void messageview_change_view_type(MessageView *messageview,
 440                                          MessageType type)
 441 {
 442         TextView *textview = messageview->textview;
 443         ImageView *imageview = messageview->imageview;
 444         MimeView *mimeview = messageview->mimeview;
 445
 446         if (messageview->type == type) return;
 447
 448         if (type == MVIEW_MIME) {
 449                 gtk_container_remove
 450                         (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 451                          GTK_WIDGET_PTR(textview));
 452                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 453                                    GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 454                 gtk_container_add(GTK_CONTAINER(mimeview->vbox),
 455                                   GTK_WIDGET_PTR(textview));
 456                 mimeview->type = MIMEVIEW_TEXT;
 457         } else if (type == MVIEW_TEXT) {
 458                 gtk_container_remove
 459                         (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 460                          GTK_WIDGET_PTR(mimeview));
 461
 462                 if (mimeview->vbox == GTK_WIDGET_PTR(textview)->parent) {
 463                         gtk_container_remove(GTK_CONTAINER(mimeview->vbox),
 464                                              GTK_WIDGET_PTR(textview));
 465                 } else {
 466                         gtk_container_remove(GTK_CONTAINER(mimeview->vbox),
 467                                              GTK_WIDGET_PTR(imageview));
 468                 }
 469
 470                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 471                                    GTK_WIDGET_PTR(textview), TRUE, TRUE, 0);
 472         } else
 473                 return;
 474
 475         messageview->type = type;
 476 }
 477
 478 void messageview_clear(MessageView *messageview)
 479 {
 480         messageview_change_view_type(messageview, MVIEW_TEXT);
 481         headerview_clear(messageview->headerview);
 482         textview_clear(messageview->textview);
 483 }
 484
 485 void messageview_destroy(MessageView *messageview)
 486 {
 487         GtkWidget *textview  = GTK_WIDGET_PTR(messageview->textview);
 488         GtkWidget *imageview = GTK_WIDGET_PTR(messageview->imageview);
 489         GtkWidget *mimeview  = GTK_WIDGET_PTR(messageview->mimeview);
 490
 491         headerview_destroy(messageview->headerview);
 492         textview_destroy(messageview->textview);
 493         imageview_destroy(messageview->imageview);
 494         mimeview_destroy(messageview->mimeview);
 495
 496         g_free(messageview);
 497
 498         gtk_widget_unref(textview);
 499         gtk_widget_unref(imageview);
 500         gtk_widget_unref(mimeview);
 501 }
 502
 503 void messageview_quote_color_set(void)
 504 {
 505 }
 506
 507 void messageview_set_font(MessageView *messageview)
 508 {
 509         textview_set_font(messageview->textview, NULL);
 510 }
 511
 512 void messageview_copy_clipboard(MessageView *messageview)
 513 {
 514         if (messageview->type == MVIEW_TEXT)
 515                 gtk_editable_copy_clipboard
 516                         (GTK_EDITABLE(messageview->textview->text));
 517 }
 518
 519 void messageview_select_all(MessageView *messageview)
 520 {
 521         if (messageview->type == MVIEW_TEXT)
 522                 gtk_editable_select_region
 523                         (GTK_EDITABLE(messageview->textview->text), 0, -1);
 524 }
 525
 526 GtkWidget *messageview_get_text_widget(MessageView *messageview)
 527 {
 528         return messageview->textview->text;
 529 }
 530
 531 static void messageview_destroy_cb(GtkWidget *widget, MessageView *messageview)
 532 {
 533         messageview_destroy(messageview);
 534 }
 535
 536 static void messageview_size_allocate_cb(GtkWidget *widget,
 537                                          GtkAllocation *allocation)
 538 {
 539         g_return_if_fail(allocation != NULL);
 540
 541         prefs_common.msgwin_width  = allocation->width;
 542         prefs_common.msgwin_height = allocation->height;
 543 }
 544
 545 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 546                         MessageView *messageview)
 547 {
 548         if (event && event->keyval == GDK_Escape && messageview->window)
 549                 gtk_widget_destroy(messageview->window);
 550 }