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gimp/plug-ins/common/mail.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
* Copyright (C) 1997 Daniel Risacher
*
* 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
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* GUMP - Gimp Useless Mail Plugin
* (or Gump Useless Mail Plugin if you prefer)
*
* by Adrian Likins <adrian@gimp.org>
* MIME encapsulation by Reagan Blundell <reagan@emails.net>
*
* As always: The utility of this plugin is left as an exercise for
* the reader
*
*/
#include "config.h"
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <glib/gstdio.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
/* GdkPixbuf RGBA C-Source image dump 1-byte-run-length-encoded */
#ifdef __SUNPRO_C
#pragma align 4 (mail_icon)
#endif
#ifdef __GNUC__
static const guint8 mail_icon[] __attribute__ ((__aligned__ (4))) =
#else
static const guint8 mail_icon[] =
#endif
{ ""
/* Pixbuf magic (0x47646b50) */
"GdkP"
/* length: header (24) + pixel_data (584) */
"\0\0\2`"
/* pixdata_type (0x2010002) */
"\2\1\0\2"
/* rowstride (64) */
"\0\0\0@"
/* width (16) */
"\0\0\0\20"
/* height (16) */
"\0\0\0\20"
/* pixel_data: */
"\245\0\0\0\0\1\210\212\2050\205\210\212\205\377\1\210\212\2050\210\0"
"\0\0\0\2\210\212\2050\210\212\205\377\205\377\377\377\377\2\210\212\205"
"\377\210\212\2050\206\0\0\0\0\13\210\212\2050\210\212\205\377\377\377"
"\377\377\331\326\320\377\311\307\301\377\301\277\272\377\257\254\251"
"\377\241\240\232\377\377\377\377\377\210\212\205\377\210\212\2050\204"
"\0\0\0\0\15\210\212\2050\210\212\205\377\377\377\377\377\331\326\320"
"\377\250\247\241\377\276\275\271\377\316\315\312\377\317\316\314\377"
"\306\305\305\377\275\275\275\377\377\377\377\377\210\212\205\377\210"
"\212\2050\203\0\0\0\0\7\210\212\205\377\344\344\343\377\271\270\263\377"
"\225\224\216\377\333\332\331\377\354\354\353\377\365\365\365\377\202"
"\377\377\377\377\4\305\305\305\377\261\256\252\377\352\352\351\377\210"
"\212\205\377\203\0\0\0\0\4\210\212\205\377\367\367\367\377\257\256\254"
"\377\365\365\365\377\204\377\377\377\377\5\353\353\353\377\330\330\330"
"\377\315\314\311\377\367\367\367\377\210\212\205\377\203\0\0\0\0\4\210"
"\212\205\377\377\377\377\377\346\345\342\377\252\251\247\377\202\353"
"\353\353\377\7\341\341\341\377\330\330\330\377\317\317\317\377\246\245"
"\241\377\363\363\362\377\377\377\377\377\210\212\205\377\203\0\0\0\0"
"\5\210\212\205\377\377\377\377\377\373\373\370\377\342\342\337\377\222"
"\221\221\377\202\266\264\263\377\6\274\273\267\377\241\240\240\377\363"
"\363\362\377\367\365\363\377\377\377\377\377\210\212\205\377\203\0\0"
"\0\0\5\210\212\205\377\377\377\377\377\373\373\370\377\360\357\355\377"
"\245\242\235\377\203\373\373\370\377\5\220\215\207\377\371\367\363\377"
"\362\360\354\377\377\377\377\377\210\212\205\377\203\0\0\0\0\4\210\212"
"\205\377\377\377\377\377\373\372\367\377\262\261\256\377\203\373\373"
"\370\377\202\371\370\364\377\4\274\273\267\377\351\347\342\377\377\377"
"\377\377\210\212\205\377\203\0\0\0\0\15\210\212\205\377\377\377\377\377"
"\311\307\304\377\373\373\370\377\367\365\361\377\372\371\366\377\370"
"\366\362\377\372\370\365\377\367\365\362\377\353\350\343\377\317\316"
"\312\377\377\377\377\377\210\212\205\377\203\0\0\0\0\2\210\212\205\377"
"\360\360\360\377\211\377\377\377\377\2\360\360\360\377\210\212\205\377"
"\203\0\0\0\0\1\210\212\205\217\213\210\212\205\377\1\210\212\205\217"
"\221\0\0\0\0"
};
#ifndef SENDMAIL
#define SENDMAIL "/usr/lib/sendmail"
#endif
#define BUFFER_SIZE 256
#define PLUG_IN_PROC "plug-in-mail-image"
#define PLUG_IN_BINARY "mail"
typedef struct
{
gchar filename[BUFFER_SIZE];
gchar receipt[BUFFER_SIZE];
gchar from[BUFFER_SIZE];
gchar subject[BUFFER_SIZE];
gchar comment[BUFFER_SIZE];
} m_info;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static GimpPDBStatusType save_image (const gchar *filename,
gint32 image_ID,
gint32 drawable_ID,
gint32 run_mode);
static gboolean save_dialog (void);
static void mail_entry_callback (GtkWidget *widget,
gchar *data);
static void mesg_body_callback (GtkTextBuffer *buffer,
gpointer data);
static gboolean valid_file (const gchar *filename);
static void create_headers (FILE *mailpipe);
static gchar * find_extension (const gchar *filename);
static gboolean to64 (const gchar *filename,
FILE *outfile,
GError **error);
static FILE * sendmail_pipe (gchar **cmd,
GPid *pid);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static m_info mail_info =
{
"", "", "", "", ""
};
static gchar *mesg_body = NULL;
MAIN ()
static void
query (void)
{
static const GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
{ GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
{ GIMP_PDB_STRING, "to-address", "The email address to send to" },
{ GIMP_PDB_STRING, "from-address", "The email address for the From: field" },
{ GIMP_PDB_STRING, "subject", "The subject" },
{ GIMP_PDB_STRING, "comment", "The Comment" },
{ GIMP_PDB_INT32, "encapsulation", "ignored" }
};
gimp_install_procedure (PLUG_IN_PROC,
N_("Send the image by email"),
"You need to have sendmail installed",
"Adrian Likins, Reagan Blundell",
"Adrian Likins, Reagan Blundell, Daniel Risacher, "
"Spencer Kimball and Peter Mattis",
"1995-1997",
N_("Send by E_mail..."),
"*",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/File/Send");
gimp_plugin_icon_register (PLUG_IN_PROC, GIMP_ICON_TYPE_INLINE_PIXBUF,
mail_icon);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gint32 image_ID;
gint32 drawable_ID;
INIT_I18N ();
run_mode = param[0].data.d_int32;
image_ID = param[1].data.d_image;
drawable_ID = param[2].data.d_drawable;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (strcmp (name, PLUG_IN_PROC) == 0)
{
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
gimp_get_data (PLUG_IN_PROC, &mail_info);
{
gchar *filename = gimp_image_get_filename (image_ID);
if (filename)
{
gchar *basename = g_filename_display_basename (filename);
g_strlcpy (mail_info.filename, basename, BUFFER_SIZE);
g_free (basename);
g_free (filename);
}
}
if (! save_dialog ())
status = GIMP_PDB_CANCEL;
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams < 8)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
g_strlcpy (mail_info.filename,
param[3].data.d_string, BUFFER_SIZE);
g_strlcpy (mail_info.receipt,
param[4].data.d_string, BUFFER_SIZE);
g_strlcpy (mail_info.from,
param[5].data.d_string, BUFFER_SIZE);
g_strlcpy (mail_info.subject,
param[6].data.d_string, BUFFER_SIZE);
g_strlcpy (mail_info.comment,
param[7].data.d_string, BUFFER_SIZE);
}
break;
case GIMP_RUN_WITH_LAST_VALS:
gimp_get_data (PLUG_IN_PROC, &mail_info);
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
status = save_image (mail_info.filename,
image_ID,
drawable_ID,
run_mode);
if (status == GIMP_PDB_SUCCESS)
{
if (mesg_body)
g_strlcpy (mail_info.comment, mesg_body, BUFFER_SIZE);
gimp_set_data (PLUG_IN_PROC, &mail_info, sizeof (m_info));
}
}
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
values[0].data.d_status = status;
}
static GimpPDBStatusType
save_image (const gchar *filename,
gint32 image_ID,
gint32 drawable_ID,
gint32 run_mode)
{
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gchar *ext;
gchar *tmpname;
gchar *mailcmd[3];
GPid mailpid;
FILE *mailpipe;
GError *error = NULL;
ext = find_extension (filename);
if (ext == NULL)
return GIMP_PDB_CALLING_ERROR;
/* get a temp name with the right extension and save into it. */
tmpname = gimp_temp_name (ext + 1);
/* construct the "sendmail user@location" line */
mailcmd[0] = SENDMAIL;
mailcmd[1] = mail_info.receipt;
mailcmd[2] = NULL;
/* create a pipe to sendmail */
mailpipe = sendmail_pipe (mailcmd, &mailpid);
if (mailpipe == NULL)
return GIMP_PDB_EXECUTION_ERROR;
create_headers (mailpipe);
fflush (mailpipe);
if (! (gimp_file_save (run_mode,
image_ID,
drawable_ID,
tmpname,
tmpname) && valid_file (tmpname)))
{
goto error;
}
if (! to64 (tmpname, mailpipe, &error))
{
g_message ("%s", error->message);
g_error_free (error);
goto error;
}
fprintf (mailpipe, "\n--GUMP-MIME-boundary--\n");
goto cleanup;
error:
/* stop sendmail from doing anything */
kill (mailpid, SIGINT);
status = GIMP_PDB_EXECUTION_ERROR;
cleanup:
/* close out the sendmail process */
fclose (mailpipe);
waitpid (mailpid, NULL, 0);
g_spawn_close_pid (mailpid);
/* delete the tmpfile that was generated */
g_unlink (tmpname);
g_free (tmpname);
return status;
}
static gboolean
save_dialog (void)
{
GtkWidget *dlg;
GtkWidget *main_vbox;
GtkWidget *entry;
GtkWidget *table;
GtkWidget *scrolled_window;
GtkWidget *text_view;
GtkTextBuffer *text_buffer;
gchar *gump_from;
gint row = 0;
gboolean run;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
/* check gimprc for a preferred "From:" address */
gump_from = gimp_gimprc_query ("gump-from");
if (gump_from)
{
g_strlcpy (mail_info.from, gump_from, BUFFER_SIZE);
g_free (gump_from);
}
dlg = gimp_dialog_new (_("Send by Email"), PLUG_IN_BINARY,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
_("_Send"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dlg),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gimp_window_set_transient (GTK_WINDOW (dlg));
main_vbox = gtk_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
/* table */
table = gtk_table_new (5, 2, FALSE);
gtk_box_pack_start (GTK_BOX (main_vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 12);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
/* Filename entry */
entry = gtk_entry_new ();
gtk_widget_set_size_request (entry, 200, -1);
gtk_entry_set_max_length (GTK_ENTRY (entry), BUFFER_SIZE - 1);
gtk_entry_set_text (GTK_ENTRY (entry), mail_info.filename);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("_Filename:"), 0.0, 0.5,
entry, 1, FALSE);
g_signal_connect (entry, "changed",
G_CALLBACK (mail_entry_callback),
mail_info.filename);
/* To entry */
entry = gtk_entry_new ();
gtk_widget_set_size_request (entry, 200, -1);
gtk_entry_set_max_length (GTK_ENTRY (entry), BUFFER_SIZE - 1);
gtk_entry_set_text (GTK_ENTRY (entry), mail_info.receipt);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("_To:"), 0.0, 0.5,
entry, 1, FALSE);
g_signal_connect (entry, "changed",
G_CALLBACK (mail_entry_callback),
mail_info.receipt);
gtk_widget_grab_focus (entry);
/* From entry */
entry = gtk_entry_new ();
gtk_widget_set_size_request (entry, 200, -1);
gtk_entry_set_max_length (GTK_ENTRY (entry), BUFFER_SIZE - 1);
gtk_entry_set_text (GTK_ENTRY (entry), mail_info.from);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("_From:"), 0.0, 0.5,
entry, 1, FALSE);
g_signal_connect (entry, "changed",
G_CALLBACK (mail_entry_callback),
mail_info.from);
/* Subject entry */
entry = gtk_entry_new ();
gtk_widget_set_size_request (entry, 200, -1);
gtk_entry_set_max_length (GTK_ENTRY (entry), BUFFER_SIZE - 1);
gtk_entry_set_text (GTK_ENTRY (entry), mail_info.subject);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("S_ubject:"), 0.0, 0.5,
entry, 1, FALSE);
g_signal_connect (entry, "changed",
G_CALLBACK (mail_entry_callback),
mail_info.subject);
/* Body */
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (main_vbox), scrolled_window, TRUE, TRUE, 0);
gtk_widget_show (scrolled_window);
text_buffer = gtk_text_buffer_new (NULL);
g_signal_connect (text_buffer, "changed",
G_CALLBACK (mesg_body_callback),
NULL);
gtk_text_buffer_set_text (text_buffer, mail_info.comment, -1);
text_view = gtk_text_view_new_with_buffer (text_buffer);
g_object_unref (text_buffer);
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text_view), GTK_WRAP_WORD);
gtk_container_add (GTK_CONTAINER (scrolled_window), text_view);
gtk_widget_show (text_view);
gtk_widget_show (dlg);
run = (gimp_dialog_run (GIMP_DIALOG (dlg)) == GTK_RESPONSE_OK);
gtk_widget_destroy (dlg);
return run;
}
static gboolean
valid_file (const gchar *filename)
{
struct stat buf;
return g_stat (filename, &buf) == 0 && buf.st_size > 0;
}
static gchar *
find_content_type (const gchar *filename)
{
/* This function returns a MIME Content-type: value based on the
filename it is given. */
const gchar *type_mappings[20] =
{
"gif" , "image/gif",
"jpg" , "image/jpeg",
"jpeg", "image/jpeg",
"tif" , "image/tiff",
"tiff", "image/tiff",
"png" , "image/png",
"g3" , "image/g3fax",
"ps" , "application/postscript",
"eps" , "application/postscript",
NULL, NULL
};
gchar *ext;
gint i;
ext = find_extension (filename);
if (!ext)
{
return g_strdup ("application/octet-stream");
}
i = 0;
ext += 1;
while (type_mappings[i])
{
if (g_ascii_strcasecmp (ext, type_mappings[i]) == 0)
{
return g_strdup (type_mappings[i + 1]);
}
i += 2;
}
return g_strdup_printf ("image/x-%s", ext);
}
static gchar *
find_extension (const gchar *filename)
{
gchar *filename_copy;
gchar *ext;
/* we never free this copy - aren't we evil! */
filename_copy = g_strdup (filename);
/* find the extension, boy! */
ext = strrchr (filename_copy, '.');
while (TRUE)
{
if (!ext || ext[1] == '\0' || strchr (ext, G_DIR_SEPARATOR))
{
g_message (_("some sort of error with the file extension "
"or lack thereof"));
return NULL;
}
if (0 != g_ascii_strcasecmp (ext, ".gz") &&
0 != g_ascii_strcasecmp (ext, ".bz2"))
{
return ext;
}
else
{
/* we found somehting, loop back, and look again */
*ext = 0;
ext = strrchr (filename_copy, '.');
}
}
return ext;
}
static void
mail_entry_callback (GtkWidget *widget,
gchar *data)
{
g_strlcpy (data, gtk_entry_get_text (GTK_ENTRY (widget)), BUFFER_SIZE);
}
static void
mesg_body_callback (GtkTextBuffer *buffer,
gpointer data)
{
GtkTextIter start_iter;
GtkTextIter end_iter;
gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
g_free (mesg_body);
mesg_body = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);
}
static void
create_headers (FILE *mailpipe)
{
/* create all the mail header stuff. Feel free to add your own */
/* It is advisable to leave the X-Mailer header though, as */
/* there is a possibilty of a Gimp mail scanner/reader in the */
/* future. It will probabaly need that header. */
fprintf (mailpipe, "To: %s \n", mail_info.receipt);
fprintf (mailpipe, "Subject: %s \n", mail_info.subject);
if (strlen (mail_info.from) > 0)
fprintf (mailpipe, "From: %s \n", mail_info.from);
fprintf (mailpipe, "X-Mailer: GIMP Useless Mail Plug-In %s\n", GIMP_VERSION);
fprintf (mailpipe, "MIME-Version: 1.0\n");
fprintf (mailpipe, "Content-type: multipart/mixed; "
"boundary=GUMP-MIME-boundary\n");
fprintf (mailpipe, "\n\n");
fprintf (mailpipe, "--GUMP-MIME-boundary\n");
fprintf (mailpipe, "Content-type: text/plain; charset=UTF-8\n\n");
if (mesg_body)
fprintf (mailpipe, "%s", mesg_body);
fprintf (mailpipe, "\n\n");
{
gchar *content = find_content_type (mail_info.filename);
fprintf (mailpipe, "--GUMP-MIME-boundary\n");
fprintf (mailpipe, "Content-type: %s\n", content);
fprintf (mailpipe, "Content-transfer-encoding: base64\n");
fprintf (mailpipe, "Content-disposition: attachment; filename=\"%s\"\n",
mail_info.filename);
fprintf (mailpipe, "Content-description: %s\n\n", mail_info.filename);
g_free (content);
}
}
static gboolean
to64 (const gchar *filename,
FILE *outfile,
GError **error)
{
GMappedFile *infile;
const guchar *in;
gchar out[2048];
gint state = 0;
gint save = 0;
gsize len;
gsize bytes;
gsize c;
infile = g_mapped_file_new (filename, FALSE, error);
if (! infile)
return FALSE;
in = (const guchar *) g_mapped_file_get_contents (infile);
len = g_mapped_file_get_length (infile);
for (c = 0; c < len;)
{
gsize step = MIN (1024, len - c);
bytes = g_base64_encode_step (in + c, step, TRUE, out, &state, &save);
fwrite (out, 1, bytes, outfile);
c += step;
}
bytes = g_base64_encode_close (TRUE, out, &state, &save);
fwrite (out, 1, bytes, outfile);
g_mapped_file_unref (infile);
return TRUE;
}
static FILE *
sendmail_pipe (gchar **cmd,
GPid *pid)
{
gint fd;
GError *err = NULL;
if (! g_spawn_async_with_pipes (NULL, cmd, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, pid, &fd, NULL, NULL, &err))
{
g_message (_("Could not start sendmail (%s)"), err->message);
g_error_free (err);
*pid = -1;
return NULL;
}
return fdopen (fd, "wb");
}
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