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| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit( 0 ); |
| 5 | } |
| 6 | |
| 7 | new WPCOM_JSON_API_Render_Embed_Reversal_Endpoint( |
| 8 | array( |
| 9 | 'description' => 'Determines if the given embed code can be reversed into a single line embed or a shortcode, and if so returns the embed or shortcode. Note: The current user must have publishing access.', |
| 10 | 'group' => '__do_not_document', |
| 11 | 'stat' => 'embeds:reversal', |
| 12 | 'method' => 'POST', |
| 13 | 'path' => '/sites/%s/embeds/reversal', |
| 14 | 'path_labels' => array( |
| 15 | '$site' => '(int|string) Site ID or domain', |
| 16 | ), |
| 17 | 'request_format' => array( |
| 18 | 'maybe_embed' => '(string) The embed code to reverse. Required. Only accepts one at a time.', |
| 19 | ), |
| 20 | 'response_format' => array( |
| 21 | 'maybe_embed' => '(string) The original embed code that was passed in for rendering.', |
| 22 | 'reversal_type' => '(string) The type of reversal. Either an embed or a shortcode.', |
| 23 | 'render_result' => '(html) The rendered HTML result of the embed or shortcode.', |
| 24 | 'result' => '(string) The reversed content. Either a single line embed or a shortcode.', |
| 25 | 'scripts' => '(array) An array of JavaScript files needed to render the embed or shortcode. Returned in the format of <code>{ "script-slug" : { "src": "http://example.com/file.js", "extra" : "" } }</code> where extra contains any neccessary extra JS for initializing the source file and src contains the script to load. Omitted if no scripts are neccessary.', |
| 26 | 'styles' => '(array) An array of CSS files needed to render the embed or shortcode. Returned in the format of <code>{ "style-slug" : { "src": "http://example.com/file.css", "media" : "all" } }</code>. Omitted if no styles are neccessary.', |
| 27 | ), |
| 28 | 'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/82974409/shortcode-reversals/render/', |
| 29 | 'example_request_data' => array( |
| 30 | 'headers' => array( |
| 31 | 'authorization' => 'Bearer YOUR_API_TOKEN', |
| 32 | ), |
| 33 | |
| 34 | 'body' => array( |
| 35 | 'maybe_embed' => '<iframe width="480" height="302" src="http://www.ustream.tv/embed/recorded/26370522/highlight/299667?v=3&wmode=direct" scrolling="no" frameborder="0"></iframe>', |
| 36 | ), |
| 37 | ), |
| 38 | ) |
| 39 | ); |
| 40 | |
| 41 | /** |
| 42 | * Render embed reversal class. |
| 43 | * |
| 44 | * /sites/%s/embeds/reversal -> $blog_id |
| 45 | * |
| 46 | * @phan-constructor-used-for-side-effects |
| 47 | */ |
| 48 | class WPCOM_JSON_API_Render_Embed_Reversal_Endpoint extends WPCOM_JSON_API_Render_Endpoint { |
| 49 | /** |
| 50 | * API callback. |
| 51 | * |
| 52 | * @param string $path - the path (unused). |
| 53 | * @param int $blog_id - the blog ID. |
| 54 | * |
| 55 | * @return array|WP_Error |
| 56 | */ |
| 57 | public function callback( $path = '', $blog_id = 0 ) { |
| 58 | $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) ); |
| 59 | if ( is_wp_error( $blog_id ) ) { |
| 60 | return $blog_id; |
| 61 | } |
| 62 | |
| 63 | if ( ! current_user_can( 'edit_posts' ) ) { |
| 64 | return new WP_Error( 'unauthorized', 'Your token must have permission to post on this blog.', 403 ); |
| 65 | } |
| 66 | |
| 67 | $is_embed = false; |
| 68 | $is_shortcode = false; |
| 69 | |
| 70 | $input = $this->input( true ); |
| 71 | $maybe_embed = trim( $input['maybe_embed'] ); |
| 72 | if ( empty( $maybe_embed ) ) { |
| 73 | return new WP_Error( 'empty_embed', 'Please provide an embed code to process.', 400 ); |
| 74 | } |
| 75 | |
| 76 | $ksesed_content = trim( wp_strip_all_tags( wp_kses_post( $maybe_embed ), true ) ); |
| 77 | if ( empty( $ksesed_content ) ) { |
| 78 | return new WP_Error( 'invalid_embed', 'Invalid or empty embed provided.', 400 ); |
| 79 | } |
| 80 | |
| 81 | $shortcode_pattern = get_shortcode_regex(); |
| 82 | $url_pattern = '/^http(s)?:\/\/[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(\/.*)?$/i'; |
| 83 | preg_match_all( "/$shortcode_pattern/s", $ksesed_content, $shortcode_matches ); |
| 84 | preg_match_all( "$url_pattern", $ksesed_content, $url_matches ); |
| 85 | |
| 86 | if ( empty( $shortcode_matches[0] ) && empty( $url_matches[0] ) ) { |
| 87 | return new WP_Error( 'invalid_embed', 'The provided embed is not supported.', 400 ); |
| 88 | } |
| 89 | |
| 90 | $shortcode_matches_count = is_countable( $shortcode_matches[0] ) ? count( $shortcode_matches[0] ) : 0; |
| 91 | $url_matches_count = is_countable( $url_matches[0] ) ? count( $url_matches[0] ) : 0; |
| 92 | if ( ( $shortcode_matches_count + $url_matches_count ) > 1 ) { |
| 93 | return new WP_Error( 'invalid_embed', 'Only one embed/shortcode reversal can be rendered at a time.', 400 ); |
| 94 | } |
| 95 | |
| 96 | if ( ! empty( $shortcode_matches[0] ) ) { |
| 97 | $is_shortcode = true; |
| 98 | } elseif ( ! empty( $url_matches[0] ) ) { |
| 99 | $is_embed = true; |
| 100 | } |
| 101 | |
| 102 | $render = $this->process_render( |
| 103 | array( $this, 'render_shortcode_reversal' ), |
| 104 | array( |
| 105 | 'shortcode_reversal' => $ksesed_content, |
| 106 | 'is_shortcode' => $is_shortcode, |
| 107 | 'is_embed' => $is_embed, |
| 108 | ) |
| 109 | ); |
| 110 | |
| 111 | // if nothing happened, then the shortcode does not exist. |
| 112 | global $wp_embed; |
| 113 | if ( empty( $render ) || empty( $render['result'] ) || $ksesed_content === $render['result'] || $wp_embed->maybe_make_link( $maybe_embed ) === $render['result'] ) { |
| 114 | return new WP_Error( 'invalid_embed', 'The provided embed is not supported.', 400 ); |
| 115 | } |
| 116 | |
| 117 | // our output for this endpoint.. |
| 118 | $return = array(); |
| 119 | $return['maybe_embed'] = $maybe_embed; |
| 120 | $return['result'] = $ksesed_content; |
| 121 | $return['reversal_type'] = ( $is_embed ) ? 'embed' : 'shortcode'; |
| 122 | $return['render_result'] = $render['result']; |
| 123 | |
| 124 | $return = $this->add_assets( $return, $render['loaded_scripts'], $render['loaded_styles'] ); |
| 125 | |
| 126 | return $return; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Render the shortcode reversal. |
| 131 | * |
| 132 | * @param array $args - the arguments. |
| 133 | * |
| 134 | * @return mixed|false |
| 135 | */ |
| 136 | public function render_shortcode_reversal( $args ) { |
| 137 | if ( $args['is_shortcode'] ) { |
| 138 | return $this->do_shortcode( $args['shortcode_reversal'] ); |
| 139 | } elseif ( $args['is_embed'] ) { |
| 140 | return $this->do_embed( $args['shortcode_reversal'] ); |
| 141 | } |
| 142 | return false; |
| 143 | } |
| 144 | } |