| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentBoards\App\Hooks\Handlers; |
| 4 |
|
| 5 |
use FluentBoards\App\Models\CommentImage; |
| 6 |
use FluentBoards\App\Models\Task; |
| 7 |
use FluentBoards\App\Services\AttachmentAccessService; |
| 8 |
use FluentBoards\App\Services\PermissionManager; |
| 9 |
use FluentBoards\App\Services\Libs\FileSystem; |
| 10 |
|
| 11 |
class ExternalPages |
| 12 |
{ |
| 13 |
public function view_uploaded_comment_image() |
| 14 |
{ |
| 15 |
nocache_headers(); |
| 16 |
header('Cache-Control: private, no-store, no-cache, must-revalidate, max-age=0'); |
| 17 |
|
| 18 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only endpoint; current permissions are checked for every request |
| 19 |
$attachmentHash = isset($_REQUEST['fbs_comment_image']) && is_string($_REQUEST['fbs_comment_image']) |
| 20 |
? sanitize_text_field(wp_unslash($_REQUEST['fbs_comment_image'])) : ''; |
| 21 |
|
| 22 |
if (empty($attachmentHash)) { |
| 23 |
wp_die(esc_html__('Invalid Attachment Hash', 'fluent-boards'), '', ['response' => 404]); |
| 24 |
} |
| 25 |
|
| 26 |
$attachment = $this->getUploadedImageByHash($attachmentHash); |
| 27 |
|
| 28 |
if (!$attachment) { |
| 29 |
wp_die(esc_html__('Invalid Attachment Hash', 'fluent-boards'), '', ['response' => 404]); |
| 30 |
} |
| 31 |
|
| 32 |
$boardId = (new AttachmentAccessService())->getAccessibleBoardId($attachment); |
| 33 |
if (!$boardId) { |
| 34 |
wp_die(esc_html__('You do not have permission to view this image.', 'fluent-boards'), '', ['response' => 403]); |
| 35 |
} |
| 36 |
|
| 37 |
// Old URLs may include a board ID, but it can never choose the file directory. |
| 38 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Optional compatibility parameter is checked against the attachment's board |
| 39 |
if (isset($_REQUEST['fbs_bid']) && (!is_scalar($_REQUEST['fbs_bid']) || absint(wp_unslash($_REQUEST['fbs_bid'])) !== $boardId)) { |
| 40 |
wp_die(esc_html__('You do not have permission to view this image.', 'fluent-boards'), '', ['response' => 403]); |
| 41 |
} |
| 42 |
|
| 43 |
if ('local' !== $attachment->driver) { |
| 44 |
if(!empty($attachment->file_path)){ |
| 45 |
$this->redirectToExternalAttachment($attachment->full_url); |
| 46 |
}else{ |
| 47 |
wp_die(esc_html__('File could not be found', 'fluent-boards'), '', ['response' => 404]); |
| 48 |
} |
| 49 |
return; |
| 50 |
} |
| 51 |
|
| 52 |
// Preserve legacy absolute paths inside plugin uploads; bare filenames use the trusted board. |
| 53 |
$filePath = FileSystem::resolveLocalAttachmentPath($attachment->file_path) |
| 54 |
?: FileSystem::resolveLocalAttachmentPath($attachment->file_path, $boardId); |
| 55 |
|
| 56 |
if (!$filePath || !is_readable($filePath)) { |
| 57 |
wp_die(esc_html__('File could not be found.', 'fluent-boards'), '', ['response' => 404]); |
| 58 |
} |
| 59 |
|
| 60 |
$this->serveLocalAttachment($attachment, $filePath); |
| 61 |
} |
| 62 |
|
| 63 |
public function view_comment_image() |
| 64 |
{ |
| 65 |
$this->view_uploaded_comment_image(); |
| 66 |
} |
| 67 |
|
| 68 |
private function getUploadedImageByHash($attachmentHash) |
| 69 |
{ |
| 70 |
return CommentImage::where('file_hash', $attachmentHash)->first(); |
| 71 |
} |
| 72 |
|
| 73 |
private function serveLocalAttachment($attachment, $filePath) |
| 74 |
{ |
| 75 |
if (ob_get_level()) { |
| 76 |
ob_end_clean(); |
| 77 |
} |
| 78 |
// Stored MIME values and titles may come from legacy or imported records. |
| 79 |
$mime = wp_get_image_mime($filePath); |
| 80 |
$safeImages = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif', 'image/bmp', 'image/tiff', 'image/x-icon', 'image/heic']; |
| 81 |
$inline = in_array($mime, $safeImages, true); |
| 82 |
$filename = sanitize_file_name($attachment->title ?: basename($filePath)); |
| 83 |
header('Content-Type: ' . ($inline ? $mime : 'application/octet-stream')); |
| 84 |
header('X-Content-Type-Options: nosniff'); |
| 85 |
header('Content-Disposition: ' . ($inline ? 'inline' : 'attachment') . '; filename="' . ($filename ?: 'attachment') . '"'); |
| 86 |
// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile -- Serving binary file content directly to browser, WP_Filesystem not suitable for this use case |
| 87 |
readfile($filePath); |
| 88 |
die(); |
| 89 |
} |
| 90 |
|
| 91 |
public function redirectToPage() |
| 92 |
{ |
| 93 |
nocache_headers(); |
| 94 |
header('Cache-Control: private, no-store, no-cache, must-revalidate, max-age=0'); |
| 95 |
|
| 96 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only redirect; current board access is checked below |
| 97 |
$taskId = isset($_GET['taskId']) && is_scalar($_GET['taskId']) ? absint(wp_unslash($_GET['taskId'])) : 0; |
| 98 |
|
| 99 |
if (!$taskId) { |
| 100 |
wp_die(esc_html__('Task not found', 'fluent-boards'), '', ['response' => 404]); |
| 101 |
} |
| 102 |
|
| 103 |
// Authenticate before looking up task metadata, retaining the email link after login. |
| 104 |
if (!is_user_logged_in()) { |
| 105 |
$returnUrl = add_query_arg(['redirect' => 'to_task', 'taskId' => $taskId], site_url('/')); |
| 106 |
// Match WordPress login redirects, including trusted SSO login_url filters. |
| 107 |
wp_redirect(wp_login_url($returnUrl)); |
| 108 |
exit; |
| 109 |
} |
| 110 |
|
| 111 |
$task = Task::find($taskId); |
| 112 |
if (!$task || !PermissionManager::userHasPermission($task->board_id)) { |
| 113 |
wp_die(esc_html__('Task not found', 'fluent-boards'), '', ['response' => 404]); |
| 114 |
} |
| 115 |
if ($this->isFrontendEnabled() == 'no') { |
| 116 |
$urlBase = apply_filters('fluent_boards/app_url', admin_url('admin.php?page=fluent-boards#/')); |
| 117 |
$page_url = $urlBase . 'boards/' . $task->board_id . '/tasks/' . $task->id . '-' .substr($task->title, 0, 10); |
| 118 |
wp_redirect($page_url); |
| 119 |
exit; |
| 120 |
} else { |
| 121 |
$urlBase = apply_filters('fluent_boards/app_url', admin_url('admin.php?page=fluent-boards#/')); |
| 122 |
$page_url = $urlBase . 'boards/' . $task->board_id . '/tasks/' . $task->id . '-' .substr($task->title, 0, 10); |
| 123 |
wp_redirect($page_url); |
| 124 |
exit; |
| 125 |
} |
| 126 |
|
| 127 |
die(); |
| 128 |
} |
| 129 |
|
| 130 |
private function isFrontendEnabled() |
| 131 |
{ |
| 132 |
$storedSettings = get_option('fluent_boards_modules', []); |
| 133 |
$settings = is_string($storedSettings) ? maybe_unserialize($storedSettings) : $storedSettings; |
| 134 |
|
| 135 |
if (is_array($settings) && isset($settings['frontend']['enabled'])) { |
| 136 |
return $settings['frontend']['enabled']; |
| 137 |
} |
| 138 |
|
| 139 |
return 'no'; |
| 140 |
} |
| 141 |
private function redirectToExternalAttachment($redirectUrl) |
| 142 |
{ |
| 143 |
wp_redirect($redirectUrl, 307); |
| 144 |
exit(); |
| 145 |
} |
| 146 |
} |
| 147 |
|
