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wordpress-azure/wp-admin/includes/bookmark.php at linux-appservice · MissionBit/wordpress-azure · GitHub
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<?php
/**
* WordPress Bookmark Administration API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Add a link to using values provided in $_POST.
*
* @since 2.0.0
*
* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function
add_link
() {
return
edit_link
();
}
/**
* Updates or inserts a link using values provided in $_POST.
*
* @since 2.0.0
*
* @param int $link_id Optional. ID of the link to edit. Default 0.
* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function
edit_link
(
$
link_id
=
0
) {
if
( !
current_user_can
(
'
manage_links
'
) ) {
wp_die
(
'
<h1>
'
.
__
(
'
You need a higher level of permission.
'
) .
'
</h1>
'
.
'
<p>
'
.
__
(
'
Sorry, you are not allowed to edit the links for this site.
'
) .
'
</p>
'
,
403
);
}
$
_POST
[
'
link_url
'
] =
esc_html
(
$
_POST
[
'
link_url
'
] );
$
_POST
[
'
link_url
'
] =
esc_url
(
$
_POST
[
'
link_url
'
] );
$
_POST
[
'
link_name
'
] =
esc_html
(
$
_POST
[
'
link_name
'
] );
$
_POST
[
'
link_image
'
] =
esc_html
(
$
_POST
[
'
link_image
'
] );
$
_POST
[
'
link_rss
'
] =
esc_url
(
$
_POST
[
'
link_rss
'
] );
if
( !
isset
(
$
_POST
[
'
link_visible
'
] ) ||
'
N
'
!==
$
_POST
[
'
link_visible
'
] ) {
$
_POST
[
'
link_visible
'
] =
'
Y
'
;
}
if
( !
empty
(
$
link_id
) ) {
$
_POST
[
'
link_id
'
] =
$
link_id
;
return
wp_update_link
(
$
_POST
);
}
else
{
return
wp_insert_link
(
$
_POST
);
}
}
/**
* Retrieves the default link for editing.
*
* @since 2.0.0
*
* @return stdClass Default link object.
*/
function
get_default_link_to_edit
() {
$
link
=
new
stdClass
;
if
(
isset
(
$
_GET
[
'
linkurl
'
] ) ) {
$
link
->
link_url
=
esc_url
(
wp_unslash
(
$
_GET
[
'
linkurl
'
] ) );
}
else
{
$
link
->
link_url
=
''
;
}
if
(
isset
(
$
_GET
[
'
name
'
] ) ) {
$
link
->
link_name
=
esc_attr
(
wp_unslash
(
$
_GET
[
'
name
'
] ) );
}
else
{
$
link
->
link_name
=
''
;
}
$
link
->
link_visible
=
'
Y
'
;
return
$
link
;
}
/**
* Deletes a specified link from the database.
*
* @since 2.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $link_id ID of the link to delete
* @return true Always true.
*/
function
wp_delete_link
(
$
link_id
) {
global
$
wpdb
;
/**
* Fires before a link is deleted.
*
* @since 2.0.0
*
* @param int $link_id ID of the link to delete.
*/
do_action
(
'
delete_link
'
,
$
link_id
);
wp_delete_object_term_relationships
(
$
link_id
,
'
link_category
'
);
$
wpdb
->
delete
(
$
wpdb
->
links
,
array
(
'
link_id
'
=>
$
link_id
) );
/**
* Fires after a link has been deleted.
*
* @since 2.2.0
*
* @param int $link_id ID of the deleted link.
*/
do_action
(
'
deleted_link
'
,
$
link_id
);
clean_bookmark_cache
(
$
link_id
);
return
true
;
}
/**
* Retrieves the link category IDs associated with the link specified.
*
* @since 2.1.0
*
* @param int $link_id Link ID to look up.
* @return int[] The IDs of the requested link's categories.
*/
function
wp_get_link_cats
(
$
link_id
=
0
) {
$
cats
=
wp_get_object_terms
(
$
link_id
,
'
link_category
'
,
array
(
'
fields
'
=>
'
ids
'
) );
return
array_unique
(
$
cats
);
}
/**
* Retrieves link data based on its ID.
*
* @since 2.0.0
*
* @param int|stdClass $link Link ID or object to retrieve.
* @return object Link object for editing.
*/
function
get_link_to_edit
(
$
link
) {
return
get_bookmark
(
$
link
,
OBJECT
,
'
edit
'
);
}
/**
* Inserts a link into the database, or updates an existing link.
*
* Runs all the necessary sanitizing, provides default values if arguments are missing,
* and finally saves the link.
*
* @since 2.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $linkdata {
* Elements that make up the link to insert.
*
* @type int $link_id Optional. The ID of the existing link if updating.
* @type string $link_url The URL the link points to.
* @type string $link_name The title of the link.
* @type string $link_image Optional. A URL of an image.
* @type string $link_target Optional. The target element for the anchor tag.
* @type string $link_description Optional. A short description of the link.
* @type string $link_visible Optional. 'Y' means visible, anything else means not.
* @type int $link_owner Optional. A user ID.
* @type int $link_rating Optional. A rating for the link.
* @type string $link_updated Optional. When the link was last updated.
* @type string $link_rel Optional. A relationship of the link to you.
* @type string $link_notes Optional. An extended description of or notes on the link.
* @type string $link_rss Optional. A URL of an associated RSS feed.
* @type int $link_category Optional. The term ID of the link category.
* If empty, uses default link category.
* }
* @param bool $wp_error Optional. Whether to return a WP_Error object on failure. Default false.
* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function
wp_insert_link
(
$
linkdata
,
$
wp_error
=
false
) {
global
$
wpdb
;
$
defaults
=
array
(
'
link_id
'
=>
0
,
'
link_name
'
=>
''
,
'
link_url
'
=>
''
,
'
link_rating
'
=>
0
,
);
$
parsed_args
=
wp_parse_args
(
$
linkdata
,
$
defaults
);
$
parsed_args
=
wp_unslash
(
sanitize_bookmark
(
$
parsed_args
,
'
db
'
) );
$
link_id
=
$
parsed_args
[
'
link_id
'
];
$
link_name
=
$
parsed_args
[
'
link_name
'
];
$
link_url
=
$
parsed_args
[
'
link_url
'
];
$
update
=
false
;
if
( !
empty
(
$
link_id
) ) {
$
update
=
true
;
}
if
(
''
===
trim
(
$
link_name
) ) {
if
(
''
!==
trim
(
$
link_url
) ) {
$
link_name
=
$
link_url
;
}
else
{
return
0
;
}
}
if
(
''
===
trim
(
$
link_url
) ) {
return
0
;
}
$
link_rating
= ( !
empty
(
$
parsed_args
[
'
link_rating
'
] ) ) ?
$
parsed_args
[
'
link_rating
'
] :
0
;
$
link_image
= ( !
empty
(
$
parsed_args
[
'
link_image
'
] ) ) ?
$
parsed_args
[
'
link_image
'
] :
''
;
$
link_target
= ( !
empty
(
$
parsed_args
[
'
link_target
'
] ) ) ?
$
parsed_args
[
'
link_target
'
] :
''
;
$
link_visible
= ( !
empty
(
$
parsed_args
[
'
link_visible
'
] ) ) ?
$
parsed_args
[
'
link_visible
'
] :
'
Y
'
;
$
link_owner
= ( !
empty
(
$
parsed_args
[
'
link_owner
'
] ) ) ?
$
parsed_args
[
'
link_owner
'
] :
get_current_user_id
();
$
link_notes
= ( !
empty
(
$
parsed_args
[
'
link_notes
'
] ) ) ?
$
parsed_args
[
'
link_notes
'
] :
''
;
$
link_description
= ( !
empty
(
$
parsed_args
[
'
link_description
'
] ) ) ?
$
parsed_args
[
'
link_description
'
] :
''
;
$
link_rss
= ( !
empty
(
$
parsed_args
[
'
link_rss
'
] ) ) ?
$
parsed_args
[
'
link_rss
'
] :
''
;
$
link_rel
= ( !
empty
(
$
parsed_args
[
'
link_rel
'
] ) ) ?
$
parsed_args
[
'
link_rel
'
] :
''
;
$
link_category
= ( !
empty
(
$
parsed_args
[
'
link_category
'
] ) ) ?
$
parsed_args
[
'
link_category
'
] :
array
();
// Make sure we set a valid category.
if
( !
is_array
(
$
link_category
) ||
0
===
count
(
$
link_category
) ) {
$
link_category
=
array
(
get_option
(
'
default_link_category
'
) );
}
if
(
$
update
) {
if
(
false
===
$
wpdb
->
update
(
$
wpdb
->
links
,
compact
(
'
link_url
'
,
'
link_name
'
,
'
link_image
'
,
'
link_target
'
,
'
link_description
'
,
'
link_visible
'
,
'
link_owner
'
,
'
link_rating
'
,
'
link_rel
'
,
'
link_notes
'
,
'
link_rss
'
),
compact
(
'
link_id
'
) ) ) {
if
(
$
wp_error
) {
return
new
WP_Error
(
'
db_update_error
'
,
__
(
'
Could not update link in the database.
'
),
$
wpdb
->
last_error
);
}
else
{
return
0
;
}
}
}
else
{
if
(
false
===
$
wpdb
->
insert
(
$
wpdb
->
links
,
compact
(
'
link_url
'
,
'
link_name
'
,
'
link_image
'
,
'
link_target
'
,
'
link_description
'
,
'
link_visible
'
,
'
link_owner
'
,
'
link_rating
'
,
'
link_rel
'
,
'
link_notes
'
,
'
link_rss
'
) ) ) {
if
(
$
wp_error
) {
return
new
WP_Error
(
'
db_insert_error
'
,
__
(
'
Could not insert link into the database.
'
),
$
wpdb
->
last_error
);
}
else
{
return
0
;
}
}
$
link_id
= (
int
)
$
wpdb
->
insert_id
;
}
wp_set_link_cats
(
$
link_id
,
$
link_category
);
if
(
$
update
) {
/**
* Fires after a link was updated in the database.
*
* @since 2.0.0
*
* @param int $link_id ID of the link that was updated.
*/
do_action
(
'
edit_link
'
,
$
link_id
);
}
else
{
/**
* Fires after a link was added to the database.
*
* @since 2.0.0
*
* @param int $link_id ID of the link that was added.
*/
do_action
(
'
add_link
'
,
$
link_id
);
}
clean_bookmark_cache
(
$
link_id
);
return
$
link_id
;
}
/**
* Update link with the specified link categories.
*
* @since 2.1.0
*
* @param int $link_id ID of the link to update.
* @param int[] $link_categories Array of link category IDs to add the link to.
*/
function
wp_set_link_cats
(
$
link_id
=
0
,
$
link_categories
=
array
() ) {
// If $link_categories isn't already an array, make it one:
if
( !
is_array
(
$
link_categories
) ||
0
===
count
(
$
link_categories
) ) {
$
link_categories
=
array
(
get_option
(
'
default_link_category
'
) );
}
$
link_categories
=
array_map
(
'
intval
'
,
$
link_categories
);
$
link_categories
=
array_unique
(
$
link_categories
);
wp_set_object_terms
(
$
link_id
,
$
link_categories
,
'
link_category
'
);
clean_bookmark_cache
(
$
link_id
);
}
/**
* Updates a link in the database.
*
* @since 2.0.0
*
* @param array $linkdata Link data to update. See wp_insert_link() for accepted arguments.
* @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
*/
function
wp_update_link
(
$
linkdata
) {
$
link_id
= (
int
)
$
linkdata
[
'
link_id
'
];
$
link
=
get_bookmark
(
$
link_id
,
ARRAY_A
);
// Escape data pulled from DB.
$
link
=
wp_slash
(
$
link
);
// Passed link category list overwrites existing category list if not empty.
if
(
isset
(
$
linkdata
[
'
link_category
'
] ) &&
is_array
(
$
linkdata
[
'
link_category
'
] )
&&
count
(
$
linkdata
[
'
link_category
'
] ) >
0
) {
$
link_cats
=
$
linkdata
[
'
link_category
'
];
}
else
{
$
link_cats
=
$
link
[
'
link_category
'
];
}
// Merge old and new fields with new fields overwriting old ones.
$
linkdata
=
array_merge
(
$
link
,
$
linkdata
);
$
linkdata
[
'
link_category
'
] =
$
link_cats
;
return
wp_insert_link
(
$
linkdata
);
}
/**
* Outputs the 'disabled' message for the WordPress Link Manager.
*
* @since 3.5.0
* @access private
*
* @global string $pagenow
*/
function
wp_link_manager_disabled_message
() {
global
$
pagenow
;
if
( !
in_array
(
$
pagenow
,
array
(
'
link-manager.php
'
,
'
link-add.php
'
,
'
link.php
'
),
true
) ) {
return
;
}
add_filter
(
'
pre_option_link_manager_enabled
'
,
'
__return_true
'
,
100
);
$
really_can_manage_links
=
current_user_can
(
'
manage_links
'
);
remove_filter
(
'
pre_option_link_manager_enabled
'
,
'
__return_true
'
,
100
);
if
(
$
really_can_manage_links
) {
$
plugins
=
get_plugins
();
if
(
empty
(
$
plugins
[
'
link-manager/link-manager.php
'
] ) ) {
if
(
current_user_can
(
'
install_plugins
'
) ) {
$
install_url
=
wp_nonce_url
(
self_admin_url
(
'
update.php?action=install-plugin&plugin=link-manager
'
),
'
install-plugin_link-manager
'
);
wp_die
(
sprintf
(
/* translators: %s: A link to install the Link Manager plugin. */
__
(
'
If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.
'
),
esc_url
(
$
install_url
)
)
);
}
}
elseif
(
is_plugin_inactive
(
'
link-manager/link-manager.php
'
) ) {
if
(
current_user_can
(
'
activate_plugins
'
) ) {
$
activate_url
=
wp_nonce_url
(
self_admin_url
(
'
plugins.php?action=activate&plugin=link-manager/link-manager.php
'
),
'
activate-plugin_link-manager/link-manager.php
'
);
wp_die
(
sprintf
(
/* translators: %s: A link to activate the Link Manager plugin. */
__
(
'
Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.
'
),
esc_url
(
$
activate_url
)
)
);
}
}
}
wp_die
(
__
(
'
Sorry, you are not allowed to edit the links for this site.
'
) );
}
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