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1 <?php |
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2 /** |
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3 * WordPress Theme Administration API |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Administration |
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7 */ |
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8 |
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9 /** |
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10 * Remove a theme |
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11 * |
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12 * @since 2.8.0 |
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13 * |
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14 * @param string $stylesheet Stylesheet of the theme to delete |
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15 * @param string $redirect Redirect to page when complete. |
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16 * @return mixed |
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17 */ |
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18 function delete_theme($stylesheet, $redirect = '') { |
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19 global $wp_filesystem; |
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20 |
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21 if ( empty($stylesheet) ) |
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22 return false; |
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23 |
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24 ob_start(); |
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25 if ( empty( $redirect ) ) |
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26 $redirect = wp_nonce_url('themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet); |
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27 if ( false === ($credentials = request_filesystem_credentials($redirect)) ) { |
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28 $data = ob_get_contents(); |
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29 ob_end_clean(); |
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30 if ( ! empty($data) ){ |
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31 include_once( ABSPATH . 'wp-admin/admin-header.php'); |
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32 echo $data; |
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33 include( ABSPATH . 'wp-admin/admin-footer.php'); |
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34 exit; |
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35 } |
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36 return; |
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37 } |
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38 |
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39 if ( ! WP_Filesystem($credentials) ) { |
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40 request_filesystem_credentials($redirect, '', true); // Failed to connect, Error and request again |
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41 $data = ob_get_contents(); |
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42 ob_end_clean(); |
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43 if ( ! empty($data) ) { |
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44 include_once( ABSPATH . 'wp-admin/admin-header.php'); |
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45 echo $data; |
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46 include( ABSPATH . 'wp-admin/admin-footer.php'); |
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47 exit; |
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48 } |
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49 return; |
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50 } |
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51 |
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52 if ( ! is_object($wp_filesystem) ) |
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53 return new WP_Error('fs_unavailable', __('Could not access filesystem.')); |
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54 |
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55 if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) |
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56 return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors); |
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57 |
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58 //Get the base plugin folder |
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59 $themes_dir = $wp_filesystem->wp_themes_dir(); |
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60 if ( empty($themes_dir) ) |
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61 return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress theme directory.')); |
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62 |
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63 $themes_dir = trailingslashit( $themes_dir ); |
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64 $theme_dir = trailingslashit($themes_dir . $stylesheet); |
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65 $deleted = $wp_filesystem->delete($theme_dir, true); |
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66 |
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67 if ( ! $deleted ) |
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68 return new WP_Error('could_not_remove_theme', sprintf(__('Could not fully remove the theme %s.'), $stylesheet) ); |
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69 |
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70 // Force refresh of theme update information |
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71 delete_site_transient('update_themes'); |
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72 |
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73 return true; |
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74 } |
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75 |
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76 /** |
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77 * Get the Page Templates available in this theme |
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78 * |
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79 * @since 1.5.0 |
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80 * |
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81 * @return array Key is the template name, value is the filename of the template |
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82 */ |
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83 function get_page_templates() { |
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84 return array_flip( wp_get_theme()->get_page_templates() ); |
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85 } |
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86 |
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87 /** |
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88 * Tidies a filename for url display by the theme editor. |
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89 * |
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90 * @since 2.9.0 |
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91 * @access private |
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92 * |
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93 * @param string $fullpath Full path to the theme file |
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94 * @param string $containingfolder Path of the theme parent folder |
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95 * @return string |
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96 */ |
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97 function _get_template_edit_filename($fullpath, $containingfolder) { |
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98 return str_replace(dirname(dirname( $containingfolder )) , '', $fullpath); |
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99 } |
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100 |
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101 /** |
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102 * Check if there is an update for a theme available. |
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103 * |
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104 * Will display link, if there is an update available. |
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105 * |
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106 * @since 2.7.0 |
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107 * |
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108 * @param object $theme Theme data object. |
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109 * @return bool False if no valid info was passed. |
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110 */ |
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111 function theme_update_available( $theme ) { |
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112 static $themes_update; |
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113 |
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114 if ( !current_user_can('update_themes' ) ) |
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115 return; |
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116 |
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117 if ( !isset($themes_update) ) |
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118 $themes_update = get_site_transient('update_themes'); |
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119 |
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120 if ( ! is_a( $theme, 'WP_Theme' ) ) |
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121 return; |
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122 |
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123 $stylesheet = $theme->get_stylesheet(); |
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124 |
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125 if ( isset($themes_update->response[ $stylesheet ]) ) { |
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126 $update = $themes_update->response[ $stylesheet ]; |
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127 $theme_name = $theme->display('Name'); |
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128 $details_url = add_query_arg(array('TB_iframe' => 'true', 'width' => 1024, 'height' => 800), $update['url']); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list. |
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129 $update_url = wp_nonce_url('update.php?action=upgrade-theme&theme=' . urlencode($stylesheet), 'upgrade-theme_' . $stylesheet); |
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130 $update_onclick = 'onclick="if ( confirm(\'' . esc_js( __("Updating this theme will lose any customizations you have made. 'Cancel' to stop, 'OK' to update.") ) . '\') ) {return true;}return false;"'; |
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131 |
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132 if ( !is_multisite() ) { |
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133 if ( ! current_user_can('update_themes') ) |
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134 printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a>.') . '</strong></p>', $theme_name, $details_url, $update['new_version']); |
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135 else if ( empty($update['package']) ) |
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136 printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a>. <em>Automatic update is unavailable for this theme.</em>') . '</strong></p>', $theme_name, $details_url, $update['new_version']); |
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137 else |
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138 printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a> or <a href="%4$s" %5$s>update now</a>.') . '</strong></p>', $theme_name, $details_url, $update['new_version'], $update_url, $update_onclick ); |
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139 } |
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140 } |
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141 } |
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142 |
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143 /** |
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144 * Retrieve list of WordPress theme features (aka theme tags) |
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145 * |
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146 * @since 3.1.0 |
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147 * |
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148 * @param bool $api Optional. Whether try to fetch tags from the WP.org API. Defaults to true. |
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149 * @return array Array of features keyed by category with translations keyed by slug. |
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150 */ |
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151 function get_theme_feature_list( $api = true ) { |
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152 // Hard-coded list is used if api not accessible. |
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153 $features = array( |
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154 __( 'Colors' ) => array( |
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155 'black' => __( 'Black' ), |
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156 'blue' => __( 'Blue' ), |
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157 'brown' => __( 'Brown' ), |
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158 'gray' => __( 'Gray' ), |
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159 'green' => __( 'Green' ), |
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160 'orange' => __( 'Orange' ), |
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161 'pink' => __( 'Pink' ), |
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162 'purple' => __( 'Purple' ), |
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163 'red' => __( 'Red' ), |
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164 'silver' => __( 'Silver' ), |
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165 'tan' => __( 'Tan' ), |
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166 'white' => __( 'White' ), |
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167 'yellow' => __( 'Yellow' ), |
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168 'dark' => __( 'Dark' ), |
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169 'light' => __( 'Light' ), |
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170 ), |
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171 |
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172 __( 'Columns' ) => array( |
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173 'one-column' => __( 'One Column' ), |
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174 'two-columns' => __( 'Two Columns' ), |
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175 'three-columns' => __( 'Three Columns' ), |
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176 'four-columns' => __( 'Four Columns' ), |
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177 'left-sidebar' => __( 'Left Sidebar' ), |
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178 'right-sidebar' => __( 'Right Sidebar' ), |
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179 ), |
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180 |
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181 __( 'Width' ) => array( |
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182 'fixed-width' => __( 'Fixed Width' ), |
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183 'flexible-width' => __( 'Flexible Width' ), |
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184 ), |
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185 |
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186 __( 'Features' ) => array( |
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187 'blavatar' => __( 'Blavatar' ), |
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188 'buddypress' => __( 'BuddyPress' ), |
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189 'custom-background' => __( 'Custom Background' ), |
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190 'custom-colors' => __( 'Custom Colors' ), |
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191 'custom-header' => __( 'Custom Header' ), |
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192 'custom-menu' => __( 'Custom Menu' ), |
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193 'editor-style' => __( 'Editor Style' ), |
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194 'featured-image-header' => __( 'Featured Image Header' ), |
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195 'featured-images' => __( 'Featured Images' ), |
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196 'flexible-header' => __( 'Flexible Header' ), |
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197 'front-page-post-form' => __( 'Front Page Posting' ), |
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198 'full-width-template' => __( 'Full Width Template' ), |
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199 'microformats' => __( 'Microformats' ), |
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200 'post-formats' => __( 'Post Formats' ), |
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201 'rtl-language-support' => __( 'RTL Language Support' ), |
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202 'sticky-post' => __( 'Sticky Post' ), |
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203 'theme-options' => __( 'Theme Options' ), |
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204 'threaded-comments' => __( 'Threaded Comments' ), |
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205 'translation-ready' => __( 'Translation Ready' ), |
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206 ), |
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207 |
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208 __( 'Subject' ) => array( |
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209 'holiday' => __( 'Holiday' ), |
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210 'photoblogging' => __( 'Photoblogging' ), |
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211 'seasonal' => __( 'Seasonal' ), |
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212 ) |
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213 ); |
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214 |
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215 if ( ! $api || ! current_user_can( 'install_themes' ) ) |
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216 return $features; |
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217 |
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218 if ( !$feature_list = get_site_transient( 'wporg_theme_feature_list' ) ) |
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219 set_site_transient( 'wporg_theme_feature_list', array(), 10800); |
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220 |
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221 if ( !$feature_list ) { |
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222 $feature_list = themes_api( 'feature_list', array() ); |
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223 if ( is_wp_error( $feature_list ) ) |
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224 return $features; |
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225 } |
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226 |
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227 if ( !$feature_list ) |
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228 return $features; |
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229 |
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230 set_site_transient( 'wporg_theme_feature_list', $feature_list, 10800 ); |
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231 |
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232 $category_translations = array( 'Colors' => __('Colors'), 'Columns' => __('Columns'), 'Width' => __('Width'), |
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233 'Features' => __('Features'), 'Subject' => __('Subject') ); |
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234 |
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235 // Loop over the wporg canonical list and apply translations |
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236 $wporg_features = array(); |
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237 foreach ( (array) $feature_list as $feature_category => $feature_items ) { |
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238 if ( isset($category_translations[$feature_category]) ) |
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239 $feature_category = $category_translations[$feature_category]; |
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240 $wporg_features[$feature_category] = array(); |
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241 |
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242 foreach ( $feature_items as $feature ) { |
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243 if ( isset($features[$feature_category][$feature]) ) |
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244 $wporg_features[$feature_category][$feature] = $features[$feature_category][$feature]; |
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245 else |
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246 $wporg_features[$feature_category][$feature] = $feature; |
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247 } |
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248 } |
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249 |
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250 return $wporg_features; |
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251 } |
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252 |
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253 /** |
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254 * Retrieve theme installer pages from WordPress Themes API. |
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255 * |
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256 * It is possible for a theme to override the Themes API result with three |
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257 * filters. Assume this is for themes, which can extend on the Theme Info to |
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258 * offer more choices. This is very powerful and must be used with care, when |
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259 * overridding the filters. |
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260 * |
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261 * The first filter, 'themes_api_args', is for the args and gives the action as |
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262 * the second parameter. The hook for 'themes_api_args' must ensure that an |
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263 * object is returned. |
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264 * |
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265 * The second filter, 'themes_api', is the result that would be returned. |
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266 * |
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267 * @since 2.8.0 |
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268 * |
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269 * @param string $action |
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270 * @param array|object $args Optional. Arguments to serialize for the Theme Info API. |
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271 * @return mixed |
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272 */ |
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273 function themes_api($action, $args = null) { |
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274 |
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275 if ( is_array($args) ) |
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276 $args = (object)$args; |
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277 |
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278 if ( !isset($args->per_page) ) |
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279 $args->per_page = 24; |
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280 |
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281 $args = apply_filters('themes_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter. |
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282 $res = apply_filters('themes_api', false, $action, $args); //NOTE: Allows a theme to completely override the builtin WordPress.org API. |
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283 |
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284 if ( ! $res ) { |
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285 $url = $http_url = 'http://api.wordpress.org/themes/info/1.0/'; |
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286 if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) |
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287 $url = set_url_scheme( $url, 'https' ); |
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288 |
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289 $args = array( |
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290 'body' => array( |
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291 'action' => $action, |
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292 'request' => serialize( $args ) |
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293 ) |
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294 ); |
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295 $request = wp_remote_post( $url, $args ); |
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296 |
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297 if ( $ssl && is_wp_error( $request ) ) { |
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298 trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="http://wordpress.org/support/">support forums</a>.' ) . ' ' . '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)', headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE ); |
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299 $request = wp_remote_post( $http_url, $args ); |
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300 } |
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301 |
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302 if ( is_wp_error($request) ) { |
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303 $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="http://wordpress.org/support/">support forums</a>.' ), $request->get_error_message() ); |
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304 } else { |
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305 $res = maybe_unserialize( wp_remote_retrieve_body( $request ) ); |
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306 if ( ! is_object( $res ) && ! is_array( $res ) ) |
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307 $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="http://wordpress.org/support/">support forums</a>.' ), wp_remote_retrieve_body( $request ) ); |
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308 } |
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309 } |
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310 |
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311 return apply_filters('themes_api_result', $res, $action, $args); |
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312 } |