less haste
[claws.git] / src / compose.c
index 6f17c98e666acf226398bdfd7acb79a05045429d..7d44ffc9ca5820751bd62bde94040d82f2c8673e 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2016 Hiroyuki Yamamoto and the Claws Mail team
+ * Copyright (C) 1999-2018 the Claws Mail team and Hiroyuki Yamamoto
  *
  * 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
 #include "autofaces.h"
 #include "spell_entry.h"
 #include "headers.h"
-#include "safe_fclose.h"
+#include "file-utils.h"
 
 #ifdef USE_LDAP
 #include "password.h"
@@ -1010,6 +1010,13 @@ Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderI
        compose = compose_create(account, item, COMPOSE_NEW, FALSE);
        compose_apply_folder_privacy_settings(compose, item);
 
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt || account->default_sign))
+               alertpanel_error(_("You have opted to sign and/or encrypt this "
+                                  "message but have not selected a privacy system.\n\n"
+                                  "Signing and encrypting have been disabled for this "
+                                  "message."));
+
        /* override from name if mailto asked for it */
        if (mailto_from) {
                gtk_entry_set_text(GTK_ENTRY(compose->from_name), mailto_from);
@@ -1273,7 +1280,8 @@ static void compose_force_encryption(Compose *compose, PrefsAccount *account,
        cm_return_if_fail(compose != NULL);
        cm_return_if_fail(account != NULL);
 
-       if (override_pref == FALSE && account->default_encrypt_reply == FALSE)
+       if (privacy_system_can_encrypt(compose->privacy_system) == FALSE ||
+           (override_pref == FALSE && account->default_encrypt_reply == FALSE))
                return;
 
        if (account->default_privacy_system && strlen(account->default_privacy_system))
@@ -1310,6 +1318,8 @@ static void compose_force_encryption(Compose *compose, PrefsAccount *account,
 static void compose_force_signing(Compose *compose, PrefsAccount *account, const gchar *system)
 {
        const gchar *privacy = NULL;
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE)
+               return;
 
        if (account->default_privacy_system && strlen(account->default_privacy_system))
                privacy = account->default_privacy_system;
@@ -1679,6 +1689,13 @@ static Compose *compose_generic_reply(MsgInfo *msginfo,
        }
        g_free(s_system);
 
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt_reply || account->default_sign_reply))
+               alertpanel_error(_("You have opted to sign and/or encrypt this "
+                                  "message but have not selected a privacy system.\n\n"
+                                  "Signing and encrypting have been disabled for this "
+                                  "message."));
+
        SIGNAL_BLOCK(textbuf);
        
        if (account->auto_sig)
@@ -2433,12 +2450,12 @@ Compose *compose_reedit(MsgInfo *msginfo, gboolean batch)
                gboolean prev_autowrap;
                GtkTextBuffer *buffer;
                BLOCK_WRAP();
-               while (fgets(buf, sizeof(buf), fp) != NULL) {
+               while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
                        strcrchomp(buf);
                        gtk_text_buffer_insert(textbuf, &iter, buf, -1);
                }
                UNBLOCK_WRAP();
-               fclose(fp);
+               claws_fclose(fp);
        }
        
        compose_attach_parts(compose, msginfo);
@@ -2873,7 +2890,7 @@ static gint compose_parse_header(Compose *compose, MsgInfo *msginfo)
 
        if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
        procheader_get_header_fields(fp, hentry);
-       fclose(fp);
+       claws_fclose(fp);
 
        if (hentry[H_REPLY_TO].body != NULL) {
                if (hentry[H_REPLY_TO].body[0] != '\0') {
@@ -2998,7 +3015,7 @@ static gint compose_parse_manual_headers(Compose *compose, MsgInfo *msginfo, Hea
 
        if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
        procheader_get_header_fields(fp, entries);
-       fclose(fp);
+       claws_fclose(fp);
 
        he = entries;
        while (he != NULL && he->name != NULL) {
@@ -3672,8 +3689,8 @@ static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *fi
        }
 
 
-       if ((fp = g_fopen(file, "rb")) == NULL) {
-               FILE_OP_ERROR(file, "fopen");
+       if ((fp = claws_fopen(file, "rb")) == NULL) {
+               FILE_OP_ERROR(file, "claws_fopen");
                return COMPOSE_INSERT_READ_ERROR;
        }
 
@@ -3692,7 +3709,7 @@ static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *fi
        cur_encoding = conv_get_locale_charset_str_no_utf8();
 
        file_contents = g_string_new("");
-       while (fgets(buf, sizeof(buf), fp) != NULL) {
+       while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
                gchar *str;
 
                if (g_utf8_validate(buf, -1, NULL) == TRUE)
@@ -3736,7 +3753,7 @@ static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *fi
        }
 
        g_string_free(file_contents, TRUE);
-       fclose(fp);
+       claws_fclose(fp);
 
        return result;
 }
@@ -3788,11 +3805,11 @@ static gboolean compose_attach_append(Compose *compose, const gchar *file,
                        return FALSE;
                }
        }
-       if ((fp = g_fopen(file, "rb")) == NULL) {
+       if ((fp = claws_fopen(file, "rb")) == NULL) {
                alertpanel_error(_("Can't read %s."), filename);
                return FALSE;
        }
-       fclose(fp);
+       claws_fclose(fp);
 
        ainfo = g_new0(AttachInfo, 1);
        auto_ainfo = g_auto_pointer_new_with_free
@@ -4951,16 +4968,18 @@ static void compose_select_account(Compose *compose, PrefsAccount *account,
 
        compose_set_title(compose);
 
-       if (account->default_sign && compose->mode != COMPOSE_REDIRECT)
+       compose_activate_privacy_system(compose, account, FALSE);
+
+       if (account->default_sign && privacy_system_can_sign(compose->privacy_system) &&
+           compose->mode != COMPOSE_REDIRECT)
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Sign", TRUE);
        else
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Sign", FALSE);
-       if (account->default_encrypt && compose->mode != COMPOSE_REDIRECT)
+       if (account->default_encrypt && privacy_system_can_encrypt(compose->privacy_system) &&
+           compose->mode != COMPOSE_REDIRECT)
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Encrypt", TRUE);
        else
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Encrypt", FALSE);
-                                      
-       compose_activate_privacy_system(compose, account, FALSE);
 
        if (!init && compose->mode != COMPOSE_REDIRECT) {
                undo_block(compose->undostruct);
@@ -5532,7 +5551,7 @@ static gint compose_redirect_write_headers(Compose *compose, FILE *fp)
                return -1;
 
        /* separator between header and body */
-       err |= (fputs("\n", fp) == EOF);
+       err |= (claws_fputs("\n", fp) == EOF);
 
        return (err ? -1:0);
 }
@@ -5565,8 +5584,8 @@ static gint compose_redirect_write_to_file(Compose *compose, FILE *fdest)
                };
        gint ret = 0;
 
-       if ((fp = g_fopen(compose->redirect_filename, "rb")) == NULL) {
-               FILE_OP_ERROR(compose->redirect_filename, "fopen");
+       if ((fp = claws_fopen(compose->redirect_filename, "rb")) == NULL) {
+               FILE_OP_ERROR(compose->redirect_filename, "claws_fopen");
                return -1;
        }
 
@@ -5584,7 +5603,7 @@ static gint compose_redirect_write_to_file(Compose *compose, FILE *fdest)
                        buf = NULL;
                        continue;
                }
-               if (fputs(buf, fdest) == -1) {
+               if (claws_fputs(buf, fdest) == -1) {
                        g_free(buf);
                        buf = NULL;
                        goto error;
@@ -5593,7 +5612,7 @@ static gint compose_redirect_write_to_file(Compose *compose, FILE *fdest)
                if (!prefs_common.redirect_keep_from) {
                        if (g_ascii_strncasecmp(buf, "From:",
                                          strlen("From:")) == 0) {
-                               err |= (fputs(" (by way of ", fdest) == EOF);
+                               err |= (claws_fputs(" (by way of ", fdest) == EOF);
                                if (compose->account->name
                                    && *compose->account->name) {
                                        gchar buffer[BUFFSIZE];
@@ -5609,13 +5628,13 @@ static gint compose_redirect_write_to_file(Compose *compose, FILE *fdest)
                                } else
                                        err |= (fprintf(fdest, "%s",
                                                compose->account->address) < 0);
-                               err |= (fputs(")", fdest) == EOF);
+                               err |= (claws_fputs(")", fdest) == EOF);
                        }
                }
 
                g_free(buf);
                buf = NULL;
-               if (fputs("\n", fdest) == -1)
+               if (claws_fputs("\n", fdest) == -1)
                        goto error;
        }
 
@@ -5625,17 +5644,17 @@ static gint compose_redirect_write_to_file(Compose *compose, FILE *fdest)
        if (compose_redirect_write_headers(compose, fdest))
                goto error;
 
-       while ((len = fread(rewrite_buf, sizeof(gchar), sizeof(rewrite_buf), fp)) > 0) {
-               if (fwrite(rewrite_buf, sizeof(gchar), len, fdest) != len)
+       while ((len = claws_fread(rewrite_buf, sizeof(gchar), sizeof(rewrite_buf), fp)) > 0) {
+               if (claws_fwrite(rewrite_buf, sizeof(gchar), len, fdest) != len)
                        goto error;
        }
 
-       fclose(fp);
+       claws_fclose(fp);
 
        return 0;
 
 error:
-       fclose(fp);
+       claws_fclose(fp);
 
        return -1;
 }
@@ -5897,20 +5916,20 @@ static gint compose_write_to_file(Compose *compose, FILE *fp, gint action, gbool
                                debug_print("saving sent message unencrypted...\n");
                                FILE *tmpfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmp_enc_file);
                                if (tmpfp) {
-                                       fclose(tmpfp);
+                                       claws_fclose(tmpfp);
 
                                        /* fp now points to a file with headers written,
                                         * let's make a copy. */
                                        rewind(fp);
                                        content = file_read_stream_to_str(fp);
 
-                                       str_write_to_file(content, tmp_enc_file);
+                                       str_write_to_file(content, tmp_enc_file, TRUE);
                                        g_free(content);
 
                                        /* Now write the unencrypted body. */
-                                       if ((tmpfp = g_fopen(tmp_enc_file, "a")) != NULL) {
+                                       if ((tmpfp = claws_fopen(tmp_enc_file, "a")) != NULL) {
                                                procmime_write_mimeinfo(mimemsg, tmpfp);
-                                               fclose(tmpfp);
+                                               claws_fclose(tmpfp);
 
                                                outbox = folder_find_item_from_identifier(compose_get_save_to(compose));
                                                if (!outbox)
@@ -5948,8 +5967,8 @@ static gint compose_write_body_to_file(Compose *compose, const gchar *file)
        size_t len;
        gchar *chars, *tmp;
 
-       if ((fp = g_fopen(file, "wb")) == NULL) {
-               FILE_OP_ERROR(file, "fopen");
+       if ((fp = claws_fopen(file, "wb")) == NULL) {
+               FILE_OP_ERROR(file, "claws_fopen");
                return -1;
        }
 
@@ -5969,24 +5988,24 @@ static gint compose_write_body_to_file(Compose *compose, const gchar *file)
 
        g_free(tmp);
        if (!chars) {
-               fclose(fp);
+               claws_fclose(fp);
                claws_unlink(file);
                return -1;
        }
        /* write body */
        len = strlen(chars);
-       if (fwrite(chars, sizeof(gchar), len, fp) != len) {
-               FILE_OP_ERROR(file, "fwrite");
+       if (claws_fwrite(chars, sizeof(gchar), len, fp) != len) {
+               FILE_OP_ERROR(file, "claws_fwrite");
                g_free(chars);
-               fclose(fp);
+               claws_fclose(fp);
                claws_unlink(file);
                return -1;
        }
 
        g_free(chars);
 
-       if (safe_fclose(fp) == EOF) {
-               FILE_OP_ERROR(file, "fclose");
+       if (claws_safe_fclose(fp) == EOF) {
+               FILE_OP_ERROR(file, "claws_fclose");
                claws_unlink(file);
                return -1;
        }
@@ -6116,8 +6135,8 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
        tmp = g_strdup_printf("%s%cqueue.%p%08x", get_tmp_dir(),
                              G_DIR_SEPARATOR, compose, (guint) rand());
        debug_print("queuing to %s\n", tmp);
-       if ((fp = g_fopen(tmp, "w+b")) == NULL) {
-               FILE_OP_ERROR(tmp, "fopen");
+       if ((fp = claws_fopen(tmp, "w+b")) == NULL) {
+               FILE_OP_ERROR(tmp, "claws_fopen");
                g_free(tmp);
                return COMPOSE_QUEUE_ERROR_WITH_ERRNO;
        }
@@ -6179,7 +6198,7 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
                err |= (fprintf(fp, "X-Claws-Sign:%d\n", compose->use_signing) < 0);
                if (compose->use_encryption) {
                        if (!compose_warn_encryption(compose)) {
-                               fclose(fp);
+                               claws_fclose(fp);
                                claws_unlink(tmp);
                                g_free(tmp);
                                return COMPOSE_QUEUE_ERROR_NO_MSG;
@@ -6204,7 +6223,7 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
                                 * key selection */
                                if (err == TRUE)
                                        g_warning("failed to write queue message");
-                               fclose(fp);
+                               claws_fclose(fp);
                                claws_unlink(tmp);
                                g_free(tmp);
                                return COMPOSE_QUEUE_ERROR_NO_ENCRYPTION_KEY;
@@ -6257,7 +6276,7 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
 
        if (compose->redirect_filename != NULL) {
                if (compose_redirect_write_to_file(compose, fp) < 0) {
-                       fclose(fp);
+                       claws_fclose(fp);
                        claws_unlink(tmp);
                        g_free(tmp);
                        return COMPOSE_QUEUE_ERROR_WITH_ERRNO;
@@ -6265,7 +6284,7 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
        } else {
                gint result = 0;
                if ((result = compose_write_to_file(compose, fp, COMPOSE_WRITE_FOR_SEND, TRUE)) < 0) {
-                       fclose(fp);
+                       claws_fclose(fp);
                        claws_unlink(tmp);
                        g_free(tmp);
                        return result;
@@ -6273,13 +6292,13 @@ static ComposeQueueResult compose_queue_sub(Compose *compose, gint *msgnum, Fold
        }
        if (err == TRUE) {
                g_warning("failed to write queue message");
-               fclose(fp);
+               claws_fclose(fp);
                claws_unlink(tmp);
                g_free(tmp);
                return COMPOSE_QUEUE_ERROR_WITH_ERRNO;
        }
-       if (safe_fclose(fp) == EOF) {
-               FILE_OP_ERROR(tmp, "fclose");
+       if (claws_safe_fclose(fp) == EOF) {
+               FILE_OP_ERROR(tmp, "claws_fclose");
                claws_unlink(tmp);
                g_free(tmp);
                return COMPOSE_QUEUE_ERROR_WITH_ERRNO;
@@ -7050,11 +7069,11 @@ void compose_add_extra_header_entries(GtkListStore *model)
 
        if (extra_headers == NULL) {
                exhrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "extraheaderrc", NULL);
-               if ((exh = g_fopen(exhrc, "rb")) == NULL) {
+               if ((exh = claws_fopen(exhrc, "rb")) == NULL) {
                        debug_print("extra headers file not found\n");
                        goto extra_headers_done;
                }
-               while (fgets(buf, BUFFSIZE, exh) != NULL) {
+               while (claws_fgets(buf, BUFFSIZE, exh) != NULL) {
                        lastc = strlen(buf) - 1;        /* remove trailing control chars */
                        while (lastc >= 0 && buf[lastc] != ':')
                                buf[lastc--] = '\0';
@@ -7072,7 +7091,7 @@ void compose_add_extra_header_entries(GtkListStore *model)
                                        g_message("invalid extra header line: %s\n", buf);
                        }
                }
-               fclose(exh);
+               claws_fclose(exh);
 extra_headers_done:
                g_free(exhrc);
                extra_headers = g_slist_prepend(extra_headers, g_strdup("")); /* end of list */
@@ -9160,6 +9179,7 @@ static void compose_destroy(Compose *compose)
        clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
        gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
 
+       message_search_close(compose);
        gtk_widget_destroy(compose->window);
        toolbar_destroy(compose->toolbar);
        g_free(compose->toolbar);
@@ -10260,12 +10280,12 @@ static void compose_register_draft(MsgInfo *info)
 {
        gchar *filepath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
                                      DRAFTED_AT_EXIT, NULL);
-       FILE *fp = g_fopen(filepath, "ab");
+       FILE *fp = claws_fopen(filepath, "ab");
        
        if (fp) {
                fprintf(fp, "%s\t%d\n", folder_item_get_identifier(info->folder), 
                                info->msgnum);
-               fclose(fp);
+               claws_fclose(fp);
        }
                
        g_free(filepath);       
@@ -10306,8 +10326,8 @@ gboolean compose_draft (gpointer data, guint action)
 
        tmp = g_strdup_printf("%s%cdraft.%p", get_tmp_dir(),
                              G_DIR_SEPARATOR, compose);
-       if ((fp = g_fopen(tmp, "wb")) == NULL) {
-               FILE_OP_ERROR(tmp, "fopen");
+       if ((fp = claws_fopen(tmp, "wb")) == NULL) {
+               FILE_OP_ERROR(tmp, "claws_fopen");
                goto warn_err;
        }
 
@@ -10373,15 +10393,15 @@ gboolean compose_draft (gpointer data, guint action)
        err |= (fprintf(fp, "X-Claws-End-Special-Headers: 1\n") < 0);
 
        if (err) {
-               fclose(fp);
+               claws_fclose(fp);
                goto warn_err;
        }
 
        if (compose_write_to_file(compose, fp, COMPOSE_WRITE_FOR_STORE, action != COMPOSE_AUTO_SAVE) < 0) {
-               fclose(fp);
+               claws_fclose(fp);
                goto warn_err;
        }
-       if (safe_fclose(fp) == EOF) {
+       if (claws_safe_fclose(fp) == EOF) {
                goto warn_err;
        }
        
@@ -10551,11 +10571,11 @@ void compose_reopen_exit_drafts(void)
 {
        gchar *filepath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
                                      DRAFTED_AT_EXIT, NULL);
-       FILE *fp = g_fopen(filepath, "rb");
+       FILE *fp = claws_fopen(filepath, "rb");
        gchar buf[1024];
        
        if (fp) {
-               while (fgets(buf, sizeof(buf), fp)) {
+               while (claws_fgets(buf, sizeof(buf), fp)) {
                        gchar **parts = g_strsplit(buf, "\t", 2);
                        const gchar *folder = parts[0];
                        int msgnum = parts[1] ? atoi(parts[1]):-1;
@@ -10568,7 +10588,7 @@ void compose_reopen_exit_drafts(void)
                        }
                        g_strfreev(parts);
                }       
-               fclose(fp);
+               claws_fclose(fp);
        }       
        g_free(filepath);
        compose_clear_exit_drafts();
@@ -11539,11 +11559,13 @@ static void compose_activate_privacy_system(Compose *compose, PrefsAccount *acco
 static void compose_apply_folder_privacy_settings(Compose *compose, FolderItem *folder_item)
 {
        if (folder_item != NULL) {
-               if (folder_item->prefs->always_sign != SIGN_OR_ENCRYPT_DEFAULT) {
+               if (folder_item->prefs->always_sign != SIGN_OR_ENCRYPT_DEFAULT &&
+                   privacy_system_can_sign(compose->privacy_system)) {
                        compose_use_signing(compose,
                                (folder_item->prefs->always_sign == SIGN_OR_ENCRYPT_ALWAYS) ? TRUE : FALSE);
                }
-               if (folder_item->prefs->always_encrypt != SIGN_OR_ENCRYPT_DEFAULT) {
+               if (folder_item->prefs->always_encrypt != SIGN_OR_ENCRYPT_DEFAULT &&
+                   privacy_system_can_encrypt(compose->privacy_system)) {
                        compose_use_encryption(compose,
                                (folder_item->prefs->always_encrypt == SIGN_OR_ENCRYPT_ALWAYS) ? TRUE : FALSE);
                }
@@ -11674,7 +11696,7 @@ static void compose_insert_drag_received_cb (GtkWidget          *widget,
                        /* Assume a list of no files, and data has ://, is a remote link */
                        gchar *tmpdata = g_strstrip(g_strdup(ddata));
                        gchar *tmpfile = get_tmp_file();
-                       str_write_to_file(tmpdata, tmpfile);
+                       str_write_to_file(tmpdata, tmpfile, TRUE);
                        g_free(tmpdata);  
                        compose_insert_file(compose, tmpfile);
                        claws_unlink(tmpfile);