Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/imagify/classes/Context/AbstractContext.php

@@ -0,0 +1,262 @@
+<?php
+namespace Imagify\Context;
+
+/**
+ * Abstract used for contexts.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+abstract class AbstractContext implements ContextInterface {
+
+	/**
+	 * Context "short name".
+	 *
+	 * @var    string
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 */
+	protected $context;
+
+	/**
+	 * Tell if the media/context is network-wide.
+	 *
+	 * @var    bool
+	 * @since  1.9
+	 * @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
+	 * @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
+	 * @author Grégory Viguier
+	 */
+	protected $thumbnail_sizes;
+
+	/**
+	 * Tell if the optimization process is allowed to backup in this context.
+	 *
+	 * @var    bool
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 */
+	protected $can_backup;
+
+	/**
+	 * Get the context "short name".
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return string
+	 */
+	public function get_name() {
+		return $this->context;
+	}
+
+	/**
+	 * Tell if the context is network-wide.
+	 *
+	 * @since  1.9
+	 * @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
+	 * @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
+	 * @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
+	 * @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
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_backup() {
+		return $this->can_backup;
+	}
+
+	/**
+	 * Tell if the current user is allowed to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @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
+	 * @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
+	 * @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() );
+	}
+}

wp/wp-content/plugins/imagify/classes/Context/ContextInterface.php

@@ -0,0 +1,141 @@
+<?php
+namespace Imagify\Context;
+
+/**
+ * Interface to use for contexts.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+interface ContextInterface {
+
+	/**
+	 * Get the main Instance.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return object Main instance.
+	 */
+	public static function get_instance();
+
+	/**
+	 * Get the context "short name".
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return string
+	 */
+	public function get_name();
+
+	/**
+	 * Tell if the context is network-wide.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function is_network_wide();
+
+	/**
+	 * Get the type of files this context allows.
+	 *
+	 * @since  1.9
+	 * @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();
+
+	/**
+	 * Get the thumbnail sizes for this context, except the full size.
+	 *
+	 * @since  1.9
+	 * @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();
+
+	/**
+	 * Get images max width for this context. This is used when resizing.
+	 * 0 means to not resize.
+	 *
+	 * @since  1.9.8
+	 * @author Grégory Viguier
+	 *
+	 * @return int
+	 */
+	public function get_resizing_threshold();
+
+	/**
+	 * Tell if the optimization process is allowed resize in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_resize();
+
+	/**
+	 * Tell if the optimization process is allowed to backup in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_backup();
+
+	/**
+	 * Tell if the current user is allowed to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @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 );
+
+	/**
+	 * Tell if a user is allowed to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  int    $user_id   A 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 );
+
+	/**
+	 * Get user capacity to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @since  1.9 The describer 'auto-optimize' is not used anymore.
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
+	 * @return string
+	 */
+	public function get_capacity( $describer );
+}

wp/wp-content/plugins/imagify/classes/Context/CustomFolders.php

@@ -0,0 +1,102 @@
+<?php
+namespace Imagify\Context;
+
+use \Imagify\Traits\InstanceGetterTrait;
+
+/**
+ * Context class used for the custom folders.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class CustomFolders extends AbstractContext {
+	use InstanceGetterTrait;
+
+	/**
+	 * Context "short name".
+	 *
+	 * @var    string
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 */
+	protected $context = 'custom-folders';
+
+	/**
+	 * 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
+	 * @author Grégory Viguier
+	 */
+	protected $thumbnail_sizes = [];
+
+	/**
+	 * Get images max width for this context. This is used when resizing.
+	 * 0 means to not resize.
+	 *
+	 * @since  1.9.8
+	 * @author Grégory Viguier
+	 *
+	 * @return int
+	 */
+	public function get_resizing_threshold() {
+		return 0;
+	}
+
+	/**
+	 * Tell if the optimization process is allowed to backup in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_backup() {
+		if ( isset( $this->can_backup ) ) {
+			return $this->can_backup;
+		}
+
+		$this->can_backup = get_imagify_option( 'backup' );
+
+		return $this->can_backup;
+	}
+
+	/**
+	 * Get user capacity to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
+	 * @return string
+	 */
+	public function get_capacity( $describer ) {
+		switch ( $describer ) {
+			case 'manage':
+				$capacity = imagify_is_active_for_network() ? 'manage_network_options' : 'manage_options';
+				break;
+
+			case 'bulk-optimize':
+			case 'optimize':
+			case 'restore':
+			case 'manual-optimize':
+			case 'manual-restore':
+			case 'auto-optimize':
+				$capacity = is_multisite() ? 'manage_network_options' : 'manage_options';
+				break;
+
+			default:
+				$capacity = $describer;
+		}
+
+		return $this->filter_capacity( $capacity, $describer );
+	}
+}

wp/wp-content/plugins/imagify/classes/Context/Noop.php

@@ -0,0 +1,153 @@
+<?php
+namespace Imagify\Context;
+
+use \Imagify\Traits\InstanceGetterTrait;
+
+/**
+ * Fallback class for contexts.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class Noop implements ContextInterface {
+	use InstanceGetterTrait;
+
+	/**
+	 * Get the context "short name".
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return string
+	 */
+	public function get_name() {
+		return 'noop';
+	}
+
+	/**
+	 * Tell if the context is network-wide.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function is_network_wide() {
+		return false;
+	}
+
+	/**
+	 * Get the type of files this context allows.
+	 *
+	 * @since  1.9
+	 * @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 'all';
+	}
+
+	/**
+	 * Get the thumbnail sizes for this context, except the full size.
+	 *
+	 * @since  1.9
+	 * @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 [];
+	}
+
+	/**
+	 * Get images max width for this context. This is used when resizing.
+	 * 0 means to not resize.
+	 *
+	 * @since  1.9.8
+	 * @author Grégory Viguier
+	 *
+	 * @return int
+	 */
+	public function get_resizing_threshold() {
+		return 0;
+	}
+
+	/**
+	 * Tell if the optimization process is allowed resize in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_resize() {
+		return false;
+	}
+
+	/**
+	 * Tell if the optimization process is allowed to backup in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_backup() {
+		return false;
+	}
+
+	/**
+	 * Tell if the current user is allowed to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @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 false;
+	}
+
+	/**
+	 * Tell if a user is allowed to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  int    $user_id   A 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 ) {
+		return false;
+	}
+
+	/**
+	 * Get user capacity to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
+	 * @return string
+	 */
+	public function get_capacity( $describer ) {
+		return 'noop';
+	}
+}

wp/wp-content/plugins/imagify/classes/Context/WP.php

@@ -0,0 +1,146 @@
+<?php
+namespace Imagify\Context;
+
+/**
+ * Context class used for the WP media library.
+ *
+ * @since  1.9
+ * @author Grégory Viguier
+ */
+class WP extends AbstractContext {
+	use \Imagify\Traits\InstanceGetterTrait;
+
+	/**
+	 * Context "short name".
+	 *
+	 * @var    string
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 */
+	protected $context = 'wp';
+
+	/**
+	 * Images max width for this context. This is used when resizing.
+	 *
+	 * @var    int
+	 * @since  1.9.8
+	 * @author Grégory Viguier
+	 */
+	protected $resizing_threshold;
+
+	/**
+	 * Get the thumbnail sizes for this context, except the full size.
+	 *
+	 * @since  1.9
+	 * @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() {
+		if ( isset( $this->thumbnail_sizes ) ) {
+			return $this->thumbnail_sizes;
+		}
+
+		$this->thumbnail_sizes = get_imagify_thumbnail_sizes();
+
+		return $this->thumbnail_sizes;
+	}
+
+	/**
+	 * Get images max width for this context. This is used when resizing.
+	 * 0 means to not resize.
+	 *
+	 * @since  1.9.8
+	 * @author Grégory Viguier
+	 *
+	 * @return int
+	 */
+	public function get_resizing_threshold() {
+		if ( isset( $this->resizing_threshold ) ) {
+			return $this->resizing_threshold;
+		}
+
+		if ( ! get_imagify_option( 'resize_larger' ) ) {
+			$this->resizing_threshold = 0;
+		} else {
+			$this->resizing_threshold = max( 0, get_imagify_option( 'resize_larger_w' ) );
+		}
+
+		return $this->resizing_threshold;
+	}
+
+	/**
+	 * Tell if the optimization process is allowed to backup in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @return bool
+	 */
+	public function can_backup() {
+		if ( isset( $this->can_backup ) ) {
+			return $this->can_backup;
+		}
+
+		$this->can_backup = get_imagify_option( 'backup' );
+
+		return $this->can_backup;
+	}
+
+	/**
+	 * Get user capacity to operate Imagify in this context.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  string $describer Capacity describer. Possible values are like 'manage', 'bulk-optimize', 'manual-optimize', 'auto-optimize'.
+	 * @return string
+	 */
+	public function get_capacity( $describer ) {
+		static $edit_attachment_cap;
+
+		switch ( $describer ) {
+			case 'manage':
+				$capacity = imagify_is_active_for_network() ? 'manage_network_options' : 'manage_options';
+				break;
+
+			case 'bulk-optimize':
+				$capacity = 'manage_options';
+				break;
+
+			case 'optimize':
+			case 'restore':
+				// This is a generic capacity: don't use it unless you have no other choices!
+				if ( ! isset( $edit_attachment_cap ) ) {
+					$edit_attachment_cap = get_post_type_object( 'attachment' );
+					$edit_attachment_cap = $edit_attachment_cap ? $edit_attachment_cap->cap->edit_posts : 'edit_posts';
+				}
+
+				$capacity = $edit_attachment_cap;
+				break;
+
+			case 'manual-optimize':
+			case 'manual-restore':
+				// Must be used with an Attachment ID.
+				$capacity = 'edit_post';
+				break;
+
+			case 'auto-optimize':
+				$capacity = 'upload_files';
+				break;
+
+			default:
+				$capacity = $describer;
+		}
+
+		return $this->filter_capacity( $capacity, $describer );
+	}
+}