mirror of https://github.com/djcb/mu.git
193 lines
4.5 KiB
C
193 lines
4.5 KiB
C
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/*
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** Copyright (C) 2012 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#include <mu-msg.h>
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#include <mu-date.h>
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#include <mu-msg-part.h>
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#include <gtk/gtk.h>
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#include <webkit/webkitwebview.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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static GtkPrintOperation*
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get_print_operation (const char *path)
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{
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GtkPrintOperation *printop;
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printop = gtk_print_operation_new ();
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gtk_print_operation_set_export_filename
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(GTK_PRINT_OPERATION(printop), path);
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return printop;
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}
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/* return the path to the output file, or NULL in case of error */
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static char*
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generate_pdf (MuMsg *msg, const char *str, GError **err)
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{
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GtkWidget *view;
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WebKitWebFrame *frame;
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WebKitWebSettings *settings;
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GtkPrintOperationResult printres;
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GtkPrintOperation *printop;
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char *path;
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settings = webkit_web_settings_new ();
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g_object_set (G_OBJECT(settings),
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"enable-scripts", FALSE,
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"auto-load-images", TRUE,
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"enable-plugins", FALSE,
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NULL);
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view = webkit_web_view_new ();
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webkit_web_view_set_settings (WEBKIT_WEB_VIEW(view), settings);
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webkit_web_view_load_string (WEBKIT_WEB_VIEW(view),
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str, "text/html", "utf-8", "");
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g_object_unref (settings);
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frame = webkit_web_view_get_main_frame (WEBKIT_WEB_VIEW(view));
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if (!frame) {
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g_set_error (err, 0, MU_ERROR, "cannot get web frame");
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return FALSE;
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}
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path = g_strdup_printf ("%s%c%x.pdf",mu_util_cache_dir(),
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G_DIR_SEPARATOR, (unsigned)random());
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printop = get_print_operation (path);
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printres = webkit_web_frame_print_full
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(frame, printop, GTK_PRINT_OPERATION_ACTION_EXPORT,
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err);
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g_object_unref (printop);
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if (printres != GTK_PRINT_OPERATION_RESULT_ERROR)
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return path;
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else {
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g_free (path);
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return NULL;
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}
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}
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static void
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add_header (GString *gstr, const char* header, const char *val)
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{
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char *esc;
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if (!val)
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return;
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esc = g_markup_escape_text (val, -1);
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g_string_append_printf (gstr, "<b>%s</b>: %s<br>", header, esc);
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g_free (esc);
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}
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/* return the path to the output file, or NULL in case of error */
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static char*
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convert_to_pdf (MuMsg *msg, GError **err)
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{
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GString *gstr;
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const char *body;
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gchar *data, *path;
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gstr = g_string_sized_new (4096);
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add_header (gstr, "From", mu_msg_get_from (msg));
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add_header (gstr, "To", mu_msg_get_to (msg));
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add_header (gstr, "Cc", mu_msg_get_cc (msg));
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add_header (gstr, "Subject", mu_msg_get_subject (msg));
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add_header (gstr, "Date", mu_date_display_s (mu_msg_get_date(msg)));
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gstr = g_string_append (gstr, "<hr>\n");
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body = mu_msg_get_body_html (msg);
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if (body)
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g_string_append_printf (gstr, "%s", body);
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else {
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body = mu_msg_get_body_text (msg);
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if (body) {
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gchar *esc;
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esc = g_markup_escape_text (body, -1);
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g_string_append_printf (gstr, "<pre>\n%s\n</pre>",
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esc);
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g_free (esc);
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} else
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gstr = g_string_append
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(gstr, "<i>No body</i>\n");
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}
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data = g_string_free (gstr, FALSE);
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path = generate_pdf (msg, data, err);
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g_free (data);
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return path;
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}
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int
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main(int argc, char *argv[])
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{
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MuMsg *msg;
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GError *err;
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char *path;
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if (argc != 2) {
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g_print ("msg2pdf: generate pdf files from e-mail messages\n"
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"usage: msg2pdf <msgfile>\n");
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return 1;
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}
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gtk_init (&argc, &argv);
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if (access (argv[1], R_OK) != 0) {
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g_printerr ("%s is not a readable file\n", argv[1]);
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return 1;
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}
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err = NULL;
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msg = mu_msg_new_from_file (argv[1], NULL, &err);
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if (!msg) {
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g_printerr ("failed to create msg for %s: %s\n",
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argv[1],
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err && err->message ? err->message :
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"unknown error");
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g_clear_error (&err);
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return 1;
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}
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path = convert_to_pdf (msg, &err);
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if (!path) {
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g_printerr ("failed to create pdf from %s: %s\n",
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argv[1],
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err && err->message ? err->message :
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"unknown error");
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g_clear_error (&err);
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mu_msg_unref (msg);
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return 1;
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}
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mu_msg_unref (msg);
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g_print ("%s\n", path);
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return 0;
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}
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