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Don't require C++ compiler if kwallet is not required.
2020-10-29, Elliott Sales de Andrade
0f0215662de5
Don't require C++ compiler if kwallet is not required.
Testing Done:
Compiled in container without C++ compiler, and regular machine that did.
Reviewed at https://reviews.imfreedom.org/r/179/
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include
"internal.h"
#include
"debug.h"
#include
"image.h"
#include
"util.h"
typedef
struct
{
gchar
*
path
;
GBytes
*
contents
;
const
gchar
*
extension
;
const
gchar
*
mime
;
gchar
*
gen_filename
;
gchar
*
friendly_filename
;
}
PurpleImagePrivate
;
enum
{
PROP_0
,
PROP_PATH
,
PROP_CONTENTS
,
PROP_SIZE
,
PROP_LAST
};
static
GParamSpec
*
properties
[
PROP_LAST
];
G_DEFINE_TYPE_WITH_PRIVATE
(
PurpleImage
,
purple_image
,
G_TYPE_OBJECT
);
/******************************************************************************
* Helpers
******************************************************************************/
static
void
_purple_image_set_path
(
PurpleImage
*
image
,
const
gchar
*
path
)
{
PurpleImagePrivate
*
priv
=
purple_image_get_instance_private
(
image
);
g_free
(
priv
->
path
);
priv
->
path
=
g_strdup
(
path
);
}
static
void
_purple_image_set_contents
(
PurpleImage
*
image
,
GBytes
*
bytes
)
{
PurpleImagePrivate
*
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
contents
)
g_bytes_unref
(
priv
->
contents
);
priv
->
contents
=
(
bytes
)
?
g_bytes_ref
(
bytes
)
:
NULL
;
}
/******************************************************************************
* Object stuff
******************************************************************************/
static
void
purple_image_init
(
PurpleImage
*
image
)
{
}
static
void
purple_image_finalize
(
GObject
*
obj
)
{
PurpleImage
*
image
=
PURPLE_IMAGE
(
obj
);
PurpleImagePrivate
*
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
contents
)
g_bytes_unref
(
priv
->
contents
);
g_free
(
priv
->
path
);
g_free
(
priv
->
gen_filename
);
g_free
(
priv
->
friendly_filename
);
G_OBJECT_CLASS
(
purple_image_parent_class
)
->
finalize
(
obj
);
}
static
void
purple_image_set_property
(
GObject
*
obj
,
guint
param_id
,
const
GValue
*
value
,
GParamSpec
*
pspec
)
{
PurpleImage
*
image
=
PURPLE_IMAGE
(
obj
);
switch
(
param_id
)
{
case
PROP_PATH
:
_purple_image_set_path
(
image
,
g_value_get_string
(
value
));
break
;
case
PROP_CONTENTS
:
_purple_image_set_contents
(
image
,
g_value_get_boxed
(
value
));
break
;
default
:
G_OBJECT_WARN_INVALID_PROPERTY_ID
(
obj
,
param_id
,
pspec
);
break
;
}
}
static
void
purple_image_get_property
(
GObject
*
obj
,
guint
param_id
,
GValue
*
value
,
GParamSpec
*
pspec
)
{
PurpleImage
*
image
=
PURPLE_IMAGE
(
obj
);
switch
(
param_id
)
{
case
PROP_PATH
:
g_value_set_string
(
value
,
purple_image_get_path
(
image
));
break
;
case
PROP_CONTENTS
:
g_value_set_boxed
(
value
,
purple_image_get_contents
(
image
));
break
;
case
PROP_SIZE
:
g_value_set_uint64
(
value
,
purple_image_get_data_size
(
image
));
break
;
default
:
G_OBJECT_WARN_INVALID_PROPERTY_ID
(
obj
,
param_id
,
pspec
);
break
;
}
}
static
void
purple_image_class_init
(
PurpleImageClass
*
klass
)
{
GObjectClass
*
gobj_class
=
G_OBJECT_CLASS
(
klass
);
gobj_class
->
finalize
=
purple_image_finalize
;
gobj_class
->
get_property
=
purple_image_get_property
;
gobj_class
->
set_property
=
purple_image_set_property
;
properties
[
PROP_PATH
]
=
g_param_spec_string
(
"path"
,
"path"
,
"The filepath for the image if one was provided"
,
NULL
,
G_PARAM_READWRITE
|
G_PARAM_CONSTRUCT_ONLY
|
G_PARAM_STATIC_STRINGS
);
properties
[
PROP_CONTENTS
]
=
g_param_spec_boxed
(
"contents"
,
"contents"
,
"The contents of the image stored in a GBytes"
,
G_TYPE_BYTES
,
G_PARAM_READWRITE
|
G_PARAM_CONSTRUCT_ONLY
|
G_PARAM_STATIC_STRINGS
);
properties
[
PROP_SIZE
]
=
g_param_spec_uint64
(
"size"
,
"size"
,
"The size of the image in bytes"
,
0
,
G_MAXUINT64
,
0
,
G_PARAM_READABLE
|
G_PARAM_STATIC_STRINGS
);
g_object_class_install_properties
(
gobj_class
,
PROP_LAST
,
properties
);
}
/******************************************************************************
* API
******************************************************************************/
PurpleImage
*
purple_image_new_from_bytes
(
GBytes
*
bytes
)
{
return
g_object_new
(
PURPLE_TYPE_IMAGE
,
"contents"
,
bytes
,
NULL
);
}
PurpleImage
*
purple_image_new_from_file
(
const
gchar
*
path
,
GError
**
error
)
{
PurpleImage
*
image
=
NULL
;
GBytes
*
bytes
=
NULL
;
gchar
*
contents
=
NULL
;
gsize
length
=
0
;
if
(
!
g_file_get_contents
(
path
,
&
contents
,
&
length
,
error
))
{
return
NULL
;
}
bytes
=
g_bytes_new_take
(
contents
,
length
);
image
=
g_object_new
(
PURPLE_TYPE_IMAGE
,
"contents"
,
bytes
,
"path"
,
path
,
NULL
);
g_bytes_unref
(
bytes
);
return
image
;
}
PurpleImage
*
purple_image_new_from_data
(
const
guint8
*
data
,
gsize
length
)
{
PurpleImage
*
image
;
GBytes
*
bytes
=
NULL
;
bytes
=
g_bytes_new
(
data
,
length
);
image
=
purple_image_new_from_bytes
(
bytes
);
g_bytes_unref
(
bytes
);
return
image
;
}
PurpleImage
*
purple_image_new_take_data
(
guint8
*
data
,
gsize
length
)
{
PurpleImage
*
image
;
GBytes
*
bytes
=
NULL
;
bytes
=
g_bytes_new_take
(
data
,
length
);
image
=
purple_image_new_from_bytes
(
bytes
);
g_bytes_unref
(
bytes
);
return
image
;
}
gboolean
purple_image_save
(
PurpleImage
*
image
,
const
gchar
*
path
)
{
PurpleImagePrivate
*
priv
=
NULL
;
gconstpointer
data
;
gsize
len
;
gboolean
succ
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
FALSE
);
g_return_val_if_fail
(
path
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
path
[
0
]
!=
'\0'
,
FALSE
);
priv
=
purple_image_get_instance_private
(
image
);
data
=
purple_image_get_data
(
image
);
len
=
purple_image_get_data_size
(
image
);
g_return_val_if_fail
(
data
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
len
>
0
,
FALSE
);
succ
=
purple_util_write_data_to_file_absolute
(
path
,
data
,
len
);
if
(
succ
&&
priv
->
path
==
NULL
)
priv
->
path
=
g_strdup
(
path
);
return
succ
;
}
GBytes
*
purple_image_get_contents
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
contents
)
return
g_bytes_ref
(
priv
->
contents
);
return
NULL
;
}
const
gchar
*
purple_image_get_path
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
return
priv
->
path
?
priv
->
path
:
purple_image_generate_filename
(
image
);
}
gsize
purple_image_get_data_size
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
0
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
contents
)
return
g_bytes_get_size
(
priv
->
contents
);
return
0
;
}
gconstpointer
purple_image_get_data
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
contents
)
return
g_bytes_get_data
(
priv
->
contents
,
NULL
);
return
NULL
;
}
const
gchar
*
purple_image_get_extension
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
gconstpointer
data
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
extension
)
return
priv
->
extension
;
if
(
purple_image_get_data_size
(
image
)
<
4
)
return
NULL
;
data
=
purple_image_get_data
(
image
);
g_assert
(
data
!=
NULL
);
if
(
memcmp
(
data
,
"GIF8"
,
4
)
==
0
)
return
priv
->
extension
=
"gif"
;
if
(
memcmp
(
data
,
"
\xff\xd8\xff
"
,
3
)
==
0
)
/* 4th may be e0 through ef */
return
priv
->
extension
=
"jpg"
;
if
(
memcmp
(
data
,
"
\x89
PNG"
,
4
)
==
0
)
return
priv
->
extension
=
"png"
;
if
(
memcmp
(
data
,
"MM"
,
2
)
==
0
)
return
priv
->
extension
=
"tif"
;
if
(
memcmp
(
data
,
"II"
,
2
)
==
0
)
return
priv
->
extension
=
"tif"
;
if
(
memcmp
(
data
,
"BM"
,
2
)
==
0
)
return
priv
->
extension
=
"bmp"
;
if
(
memcmp
(
data
,
"
\x00\x00\x01\x00
"
,
4
)
==
0
)
return
priv
->
extension
=
"ico"
;
return
NULL
;
}
const
gchar
*
purple_image_get_mimetype
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
const
gchar
*
ext
=
purple_image_get_extension
(
image
);
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
mime
)
return
priv
->
mime
;
g_return_val_if_fail
(
ext
!=
NULL
,
NULL
);
if
(
g_strcmp0
(
ext
,
"gif"
)
==
0
)
return
priv
->
mime
=
"image/gif"
;
if
(
g_strcmp0
(
ext
,
"jpg"
)
==
0
)
return
priv
->
mime
=
"image/jpeg"
;
if
(
g_strcmp0
(
ext
,
"png"
)
==
0
)
return
priv
->
mime
=
"image/png"
;
if
(
g_strcmp0
(
ext
,
"tif"
)
==
0
)
return
priv
->
mime
=
"image/tiff"
;
if
(
g_strcmp0
(
ext
,
"bmp"
)
==
0
)
return
priv
->
mime
=
"image/bmp"
;
if
(
g_strcmp0
(
ext
,
"ico"
)
==
0
)
return
priv
->
mime
=
"image/vnd.microsoft.icon"
;
return
NULL
;
}
const
gchar
*
purple_image_generate_filename
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
gconstpointer
data
;
gsize
len
;
const
gchar
*
ext
=
NULL
;
gchar
*
checksum
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
gen_filename
)
return
priv
->
gen_filename
;
/* grab the image's data and size of that data */
data
=
purple_image_get_data
(
image
);
len
=
purple_image_get_data_size
(
image
);
/* create a checksum of it and use it as the start of our filename */
checksum
=
g_compute_checksum_for_data
(
G_CHECKSUM_SHA1
,
data
,
len
);
/* if the image has a known format, set the extension appropriately */
ext
=
purple_image_get_extension
(
image
);
if
(
ext
!=
NULL
)
{
priv
->
gen_filename
=
g_strdup_printf
(
"%s.%s"
,
checksum
,
ext
);
g_free
(
checksum
);
}
else
{
priv
->
gen_filename
=
checksum
;
}
return
priv
->
gen_filename
;
}
void
purple_image_set_friendly_filename
(
PurpleImage
*
image
,
const
gchar
*
filename
)
{
PurpleImagePrivate
*
priv
=
NULL
;
gchar
*
newname
;
const
gchar
*
escaped
;
g_return_if_fail
(
PURPLE_IS_IMAGE
(
image
));
priv
=
purple_image_get_instance_private
(
image
);
newname
=
g_path_get_basename
(
filename
);
escaped
=
purple_escape_filename
(
newname
);
g_free
(
newname
);
newname
=
NULL
;
if
(
g_strcmp0
(
escaped
,
""
)
==
0
||
g_strcmp0
(
escaped
,
"."
)
==
0
||
g_strcmp0
(
escaped
,
G_DIR_SEPARATOR_S
)
==
0
||
g_strcmp0
(
escaped
,
"/"
)
==
0
||
g_strcmp0
(
escaped
,
"
\\
"
)
==
0
)
{
escaped
=
NULL
;
}
g_free
(
priv
->
friendly_filename
);
priv
->
friendly_filename
=
g_strdup
(
escaped
);
}
const
gchar
*
purple_image_get_friendly_filename
(
PurpleImage
*
image
)
{
PurpleImagePrivate
*
priv
=
NULL
;
g_return_val_if_fail
(
PURPLE_IS_IMAGE
(
image
),
NULL
);
priv
=
purple_image_get_instance_private
(
image
);
if
(
priv
->
friendly_filename
)
{
return
priv
->
friendly_filename
;
}
return
purple_image_generate_filename
(
image
);
}