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   1  <?php
   2  
   3  /**
   4   * bbPress Reply Capabilites
   5   *
   6   * Used to map reply capabilities to WordPress's existing capabilities.
   7   *
   8   * @package bbPress
   9   * @subpackage Capabilities
  10   */
  11  
  12  /**
  13   * Return reply capabilities
  14   *
  15   * @since 2.0.0 bbPress (r2593)
  16   *
  17   * @return array Reply capabilities
  18   */
  19  function bbp_get_reply_caps() {
  20  
  21      // Filter & return
  22      return (array) apply_filters( 'bbp_get_reply_caps', array(
  23          'edit_posts'          => 'edit_replies',
  24          'edit_others_posts'   => 'edit_others_replies',
  25          'publish_posts'       => 'publish_replies',
  26          'read_private_posts'  => 'read_private_replies',
  27          'delete_posts'        => 'delete_replies',
  28          'delete_others_posts' => 'delete_others_replies'
  29      ) );
  30  }
  31  
  32  /**
  33   * Maps topic capabilities
  34   *
  35   * @since 2.2.0 bbPress (r4242)
  36   *
  37   * @param array  $caps    Capabilities for meta capability.
  38   * @param string $cap     Capability name.
  39   * @param int    $user_id User id.
  40   * @param array  $args    Arguments.
  41   *
  42   * @return array Actual capabilities for meta capability
  43   */
  44  function bbp_map_reply_meta_caps( $caps = array(), $cap = '', $user_id = 0, $args = array() ) {
  45  
  46      // What capability is being checked?
  47      switch ( $cap ) {
  48  
  49          /** Reading ***********************************************************/
  50  
  51          case 'read_reply' :
  52  
  53              // User cannot spectate
  54              if ( ! user_can( $user_id, 'spectate' ) ) {
  55                  $caps = array( 'do_not_allow' );
  56  
  57              // Do some post ID based logic
  58              } else {
  59  
  60                  // Bail if no post ID
  61                  if ( empty( $args[0] ) ) {
  62                      break;
  63                  }
  64  
  65                  // Get the post.
  66                  $_post = get_post( $args[0] );
  67                  if ( ! empty( $_post ) ) {
  68  
  69                      // Get post type object
  70                      $post_type = get_post_type_object( $_post->post_type );
  71  
  72                      // Post is public
  73                      if ( bbp_get_public_status_id() === $_post->post_status ) {
  74                          $caps = array( 'spectate' );
  75  
  76                      // User is author so allow read
  77                      } elseif ( (int) $user_id === (int) $_post->post_author ) {
  78                          $caps = array( 'spectate' );
  79  
  80                      // Moderators can always edit forum content
  81                      } elseif ( user_can( $user_id, 'moderate', $_post->ID ) ) {
  82                          $caps = array( 'spectate' );
  83  
  84                      // Unknown so map to private posts
  85                      } else {
  86                          $caps = array( $post_type->cap->read_private_posts );
  87                      }
  88                  }
  89              }
  90  
  91              break;
  92  
  93          /** Publishing ********************************************************/
  94  
  95          case 'publish_replies' :
  96  
  97              // Moderators can always publish
  98              if ( user_can( $user_id, 'moderate' ) ) {
  99                  $caps = array( 'moderate' );
 100              }
 101  
 102              break;
 103  
 104          /** Editing ***********************************************************/
 105  
 106          // Used primarily in wp-admin
 107          case 'edit_replies'        :
 108          case 'edit_others_replies' :
 109  
 110              // Moderators can always edit
 111              if ( user_can( $user_id, 'moderate' ) ) {
 112                  $caps = array( 'moderate' );
 113  
 114              // Otherwise, check forum
 115              } else {
 116                  $forum_id = bbp_get_forum_id();
 117  
 118                  // Moderators can always edit forum content
 119                  if ( user_can( $user_id, 'moderate', $forum_id ) ) {
 120                      $caps = array( 'spectate' );
 121  
 122                  // Fallback to do_not_allow
 123                  } else {
 124                      $caps = array( 'do_not_allow' );
 125                  }
 126              }
 127  
 128              break;
 129  
 130          // Used everywhere
 131          case 'edit_reply' :
 132  
 133              // Bail if no post ID
 134              if ( empty( $args[0] ) ) {
 135                  break;
 136              }
 137  
 138              // Get the post.
 139              $_post = get_post( $args[0] );
 140              if ( ! empty( $_post ) ) {
 141  
 142                  // Get post type object
 143                  $post_type = get_post_type_object( $_post->post_type );
 144  
 145                  // Add 'do_not_allow' cap if user is spam or deleted
 146                  if ( bbp_is_user_inactive( $user_id ) ) {
 147                      $caps = array( 'do_not_allow' );
 148  
 149                  // Moderators can always edit forum content
 150                  } elseif ( user_can( $user_id, 'moderate', $_post->ID ) ) {
 151                      $caps = array( 'spectate' );
 152  
 153                  // Allow author or mod to edit if not in admin, unless past edit lock time
 154                  } elseif ( ! is_admin() && ( (int) $user_id === (int) $_post->post_author ) ) {
 155  
 156                      // If editing...
 157                      if ( bbp_is_reply_edit() ) {
 158  
 159                          // Only allow if not past the edit-lock period
 160                          $caps = ! bbp_past_edit_lock( $_post->post_date_gmt )
 161                              ? array( $post_type->cap->edit_posts )
 162                              : array( 'do_not_allow' );
 163  
 164                      // Otherwise...
 165                      } else {
 166                          $caps = array( $post_type->cap->edit_posts );
 167                      }
 168  
 169                  // Fallback to edit_others_posts.
 170                  } else {
 171                      $caps = array( $post_type->cap->edit_others_posts );
 172                  }
 173              }
 174  
 175              break;
 176  
 177          /** Deleting **********************************************************/
 178  
 179          case 'delete_reply' :
 180  
 181              // Bail if no post ID
 182              if ( empty( $args[0] ) ) {
 183                  break;
 184              }
 185  
 186              // Get the post
 187              $_post = get_post( $args[0] );
 188              if ( ! empty( $_post ) ) {
 189  
 190                  // Get post type object
 191                  $post_type = get_post_type_object( $_post->post_type );
 192  
 193                  // Add 'do_not_allow' cap if user is spam or deleted
 194                  if ( bbp_is_user_inactive( $user_id ) ) {
 195                      $caps = array( 'do_not_allow' );
 196  
 197                  // Moderators can always edit forum content
 198                  } elseif ( user_can( $user_id, 'moderate', $_post->ID ) ) {
 199                      $caps = array( 'spectate' );
 200  
 201                  // User is author so allow delete if not in admin
 202                  } elseif ( ! is_admin() && ( (int) $user_id === (int) $_post->post_author ) ) {
 203                      $caps = array( $post_type->cap->delete_posts );
 204  
 205                  // Unknown so map to delete_others_posts
 206                  } else {
 207                      $caps = array( $post_type->cap->delete_others_posts );
 208                  }
 209              }
 210  
 211              break;
 212  
 213          // Moderation override
 214          case 'delete_replies'        :
 215          case 'delete_others_replies' :
 216  
 217              // Moderators can always delete
 218              if ( user_can( $user_id, 'moderate' ) ) {
 219                  $caps = array( 'moderate' );
 220              }
 221  
 222              break;
 223  
 224          /** Admin *************************************************************/
 225  
 226          case 'bbp_replies_admin' :
 227              $caps = array( 'edit_replies' );
 228              break;
 229      }
 230  
 231      // Filter & return
 232      return (array) apply_filters( 'bbp_map_reply_meta_caps', $caps, $cap, $user_id, $args );
 233  }