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<?php
namespace Imagify\Context;
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
/**
* Abstract used for contexts.
*
* @since 1.9
* @author Grégory Viguier
*/
abstract class AbstractContext implements ContextInterface {
/**
* Context "short name".
*
* @var string
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
protected $context;
/**
* Tell if the media/context is network-wide.
*
* @var bool
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
protected $is_network_wide = false;
/**
* Type of files this context allows.
*
* @var string Possible values are:
* - 'all' to allow all types.
* - 'image' to allow only images.
* - 'not-image' to allow only pdf files.
* @since 1.9
* @access protected
* @see imagify_get_mime_types()
* @author Grégory Viguier
*/
protected $allowed_mime_types = 'all';
/**
* The thumbnail sizes for this context, except the full size.
*
* @var array {
* Data for the currently registered thumbnail sizes.
* Size names are used as array keys.
*
* @type int $width The image width.
* @type int $height The image height.
* @type bool $crop True to crop, false to resize.
* @type string $name The size name.
* }
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
protected $thumbnail_sizes;
/**
* Tell if the optimization process is allowed to backup in this context.
*
* @var bool
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
protected $can_backup;
/**
* Tell if the optimization process is allowed to keep exif in this context.
*
* @var bool
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
protected $can_keep_exif;
/**
* Get the context "short name".
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return string
*/
public function get_name() {
return $this->context;
}
/**
* Tell if the context is network-wide.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public function is_network_wide() {
return $this->is_network_wide;
}
/**
* Get the type of files this context allows.
*
* @since 1.9
* @access protected
* @see imagify_get_mime_types()
* @author Grégory Viguier
*
* @return string Possible values are:
* - 'all' to allow all types.
* - 'image' to allow only images.
* - 'not-image' to allow only pdf files.
*/
public function get_allowed_mime_types() {
return $this->allowed_mime_types;
}
/**
* Get the thumbnail sizes for this context, except the full size.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return array {
* Data for the currently registered thumbnail sizes.
* Size names are used as array keys.
*
* @type int $width The image width.
* @type int $height The image height.
* @type bool $crop True to crop, false to resize.
* @type string $name The size name.
* }
*/
public function get_thumbnail_sizes() {
return $this->thumbnail_sizes;
}
/**
* Tell if the optimization process is allowed resize in this context.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public function can_resize() {
return $this->get_resizing_threshold() > 0;
}
/**
* Tell if the optimization process is allowed to backup in this context.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public function can_backup() {
return $this->can_backup;
}
/**
* Tell if the optimization process is allowed to keep exif in this context.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return bool
*/
public function can_keep_exif() {
return $this->can_keep_exif;
}
/**
* Tell if the current user is allowed to operate Imagify in this context.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @param string $describer Capacity describer. See $this->get_capacity() for possible values. Can also be a "real" user capacity.
* @param int $media_id A media ID.
* @return bool
*/
public function current_user_can( $describer, $media_id = null ) {
return $this->user_can( null, $describer, $media_id );
}
/**
* Tell if a user is allowed to operate Imagify in this context.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @param int|\WP_User $user_id A user ID or \WP_User object. Fallback to the current user ID.
* @param string $describer Capacity describer. See $this->get_capacity() for possible values. Can also be a "real" user capacity.
* @param int $media_id A media ID.
* @return bool
*/
public function user_can( $user_id, $describer, $media_id = null ) {
$current_user_id = get_current_user_id();
if ( ! $user_id ) {
$user = $current_user_id;
$user_id = $current_user_id;
} elseif ( $user_id instanceof \WP_User ) {
$user = $user_id;
$user_id = (int) $user->ID;
} elseif ( is_numeric( $user_id ) ) {
$user = (int) $user_id;
$user_id = $user;
} else {
$user_id = 0;
}
if ( ! $user_id ) {
return false;
}
$media_id = $media_id ? (int) $media_id : null;
$capacity = $this->get_capacity( $describer );
if ( $user_id === $current_user_id ) {
$user_can = current_user_can( $capacity, $media_id );
/**
* Tell if the current user is allowed to operate Imagify in this context.
*
* @since 1.6.11
* @since 1.9 Added the context name as parameter.
*
* @param bool $user_can Tell if the current user is allowed to operate Imagify in this context.
* @param string $capacity The user capacity.
* @param string $describer Capacity describer. See $this->get_capacity() for possible values. Can also be a "real" user capacity.
* @param int $media_id A media ID.
* @param string $context The context name.
*/
$user_can = (bool) apply_filters( 'imagify_current_user_can', $user_can, $capacity, $describer, $media_id, $this->get_name() );
} else {
$user_can = user_can( $user, $capacity, $media_id );
}
/**
* Tell if the given user is allowed to operate Imagify in this context.
*
* @since 1.9
* @author Grégory Viguier
*
* @param bool $user_can Tell if the given user is allowed to operate Imagify in this context.
* @param int $user_id The user ID.
* @param string $capacity The user capacity.
* @param string $describer Capacity describer. See $this->get_capacity() for possible values. Can also be a "real" user capacity.
* @param int $media_id A media ID.
* @param string $context The context name.
*/
return (bool) apply_filters( 'imagify_user_can', $user_can, $user_id, $capacity, $describer, $media_id, $this->get_name() );
}
/**
* Filter a user capacity used to operate Imagify in this context.
*
* @since 1.9
* @access protected
* @author Grégory Viguier
*
* @param string $capacity The user capacity.
* @param string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
* @return string
*/
protected function filter_capacity( $capacity, $describer ) {
/**
* Filter a user capacity used to operate Imagify in this context.
*
* @since 1.0
* @since 1.6.5 Added $force_mono parameter.
* @since 1.6.11 Replaced $force_mono by $describer.
* @since 1.9 Added the context name as parameter.
*
* @param string $capacity The user capacity.
* @param string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
* @param string $context The context name.
*/
return (string) apply_filters( 'imagify_capacity', $capacity, $describer, $this->get_name() );
}
}
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