/**
* Render Windows Azure Storage Plugin Options Screen
*
* @param string $mode mode for logged in user (admin/nonadmin)
*
* @return void
*/
function show_windows_azure_storage_settings($mode)
{
$containerCreationStatus = true;
$message = createContainerIfRequired($containerCreationStatus);
// Storage Account Settings from db if already set
//TODO: check POST values first and use these for fallbacks
$storageAccountName = WindowsAzureStorageUtil::getAccountName();
$storageAccountKey = WindowsAzureStorageUtil::getAccountKey();
$httpProxyHost = WindowsAzureStorageUtil::getHttpProxyHost();
$httpProxyPort = WindowsAzureStorageUtil::getHttpProxyPort();
$httpProxyUserName = WindowsAzureStorageUtil::getHttpProxyUserName();
$httpProxyPassword = WindowsAzureStorageUtil::getHttpProxyPassword();
$defaultContainer = WindowsAzureStorageUtil::getDefaultContainer();
$newContainerName = null;
// Use the account settings in the $_POST if this page load is
// a result of container creation operation.
if (wp_verify_nonce($_REQUEST['_wpnonce'], 'windows-azure-storage-settings-group-options') && isset($_POST['action2']) && 'update' === $_POST['action2']) {
//TODO sanitize and set from a loop instead of a bunch of if…then statements
if (array_key_exists("azure_storage_account_name", $_POST)) {
$storageAccountName = sanitize_text_field($_POST["azure_storage_account_name"]);
}
if (array_key_exists("azure_storage_account_primary_access_key", $_POST)) {
$storageAccountKey = sanitize_text_field($_POST["azure_storage_account_primary_access_key"]);
}
if (array_key_exists("http_proxy_host", $_POST)) {
$httpProxyHost = sanitize_text_field($_POST["http_proxy_host"]);
}
if (array_key_exists("http_proxy_port", $_POST)) {
$httpProxyPort = absint($_POST["http_proxy_port"]);
}
if (array_key_exists("http_proxy_username", $_POST)) {
$httpProxyUserName = sanitize_text_field($_POST["http_proxy_username"]);
}
if (array_key_exists("http_proxy_password", $_POST)) {
$httpProxyPassword = sanitize_text_field($_POST["http_proxy_password"]);
}
}
// We need to show the container name if the request for
// container creation fails.
if (!$containerCreationStatus) {
$newContainerName = sanitize_text_field($_POST["newcontainer"]);
}
$ContainerResult = null;
try {
if (!empty($storageAccountName) && !empty($storageAccountKey)) {
//TODO: store the connection string and use it instead of always generating the client connection this way
$storageClient = WindowsAzureStorageUtil::getStorageClient($storageAccountName, $storageAccountKey, $httpProxyHost, $httpProxyPort, $httpProxyUserName, $httpProxyPassword);
$ContainerResult = $storageClient->listContainers();
$privateContainerWarning = null;
if (!empty($defaultContainer)) {
$getContainerAclResult = $storageClient->getContainerAcl($defaultContainer);
$containerAcl = $getContainerAclResult->getContainerAcl();
if ($containerAcl->getPublicAccess() === PublicAccessType::NONE) {
/* translators: %s is the container name and is used twice */
$privateContainerWarning = sprintf(__('Warning: The container "%1$s" is set to "private" and cannot be used.' . 'Please choose a public container as the default, or set the "%1$s" container to ' . '"public" in your Azure Storage settings.', 'windows-azure-storage'), $defaultContainer);
}
}
if (!is_null($privateContainerWarning)) {
printf('<p style="margin: 10px; color: red;">%s</p>', esc_html($privateContainerWarning));
}
}
} catch (Exception $ex) {
// Fires if account keys are not yet set
error_log($ex->getMessage(), E_USER_WARNING);
}
?>
<table class="form-table" border="0">
<tr valign="top">
<th scope="row">
<label for="storage_account_name" title="Windows Azure Storage Account Name">Store Account Name</label>
</th>
<td>
<input type="text" name="azure_storage_account_name" title="Windows Azure Storage Account Name" value="<?php
echo esc_attr($storageAccountName);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="azure_storage_account_primary_access_key" title="Windows Azure Storage Account Primary Access Key">Primary Access Key</label>
</th>
<td>
<input type="text" name="azure_storage_account_primary_access_key" title="Windows Azure Storage Account Primary Access Key" value="<?php
echo esc_attr($storageAccountKey);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="storage_container_name" title="Default container to be used for storing media files">Default Storage Container</label>
</th>
<td WIDTH="80px">
<select name="default_azure_storage_account_container_name" title="Default container to be used for storing media files" onChange="<?php
echo esc_js('onContainerSelectionChanged( false );');
?>
">
<?php
if (!empty($ContainerResult) && count($ContainerResult->getContainers()) > 0) {
foreach ($ContainerResult->getContainers() as $container) {
?>
<option value="<?php
echo esc_attr($container->getName());
?>
"
<?php
selected($container->getName(), $defaultContainer);
?>
>
<?php
echo esc_html($container->getName());
?>
</option>
<?php
}
if (WindowsAzureStorageUtil::check_action_permissions('create_container')) {
?>
<option value="__newContainer__">— <?php
esc_html_e('Create New Container', 'windows-azure-storage');
?>
 —</option>
<?php
}
}
?>
</select>
</td>
<?php
if (WindowsAzureStorageUtil::check_action_permissions('create_container')) {
wp_nonce_field('create_container', 'create_new_container_settings');
?>
<td>
<div id="divCreateContainer" name="divCreateContainer" style="display:none;">
<table style="border:1px solid black;">
<tr>
<td>
<label for="newcontainer" title="Name of the new container to create">Create New Container: </label>
</td>
<td>
<input type="text" name="newcontainer" title="Name of the new container to create" value="<?php
echo esc_attr($newContainerName);
?>
" />
<input type="button" class="button-primary" value="<?php
esc_attr_e('Create', 'windows-azure-storage');
?>
" onclick="<?php
echo esc_js(sprintf('createContainer("%s");', esc_url($_SERVER['REQUEST_URI'])));
?>
" />
</td>
</tr>
</table>
</div>
</td>
<?php
}
?>
</tr>
<tr valign="top">
<td colspan="3" WIDTH="300" align="center"><?php
echo wp_kses_post($message);
?>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="cname" title="Use CNAME instead of Windows Azure Blob URL">CNAME</label>
</th>
<td colspan="2">
<input type="url" name="cname" title="Use CNAME instead of Windows Azure Blob URL" value="<?php
echo esc_attr(WindowsAzureStorageUtil::getCNAME());
?>
" />
<p class="field-description">
<?php
$notice = __('Note: Use this option if you would like to display image URLs belonging to your domain like <samp>http://MyDomain.com/</samp> instead of <samp>http://YourAccountName.blob.core.windows.net/</samp>.', 'windows-azure-storage');
echo wp_kses($notice, array('samp' => array()));
?>
</p>
<div id="cname-notice">
<?php
if (is_ssl()) {
?>
<h4><?php
echo esc_html_x('Notice', 'verb', 'windows-azure-storage');
?>
</h4>
<p><?php
//TODO: add a different notice if 'https' is set, regardless of is_ssl.
$notice = sprintf(__('Windows Azure Storage <a href="%1$s" title="%2$s">does not currently support ' . 'SSL certificates for custom domain names</a>. ' . 'Since this WordPress site is configured to serve content over HTTPS, ' . 'it\'s recommended that you use the default Azure storage endpoint to avoid ' . 'mixed-content warnings for your visitors.', 'windows-azure-storage'), esc_url('https://feedback.azure.com/forums/217298-storage/suggestions/3007732-make-it-possible-to-use-ssl-on-blob-storage-using'), esc_html__('How can we improve Azure Storage? on Azure Forums', 'windows-azure-storage'));
echo wp_kses($notice, array('a' => array('href' => array(), 'title' => array())));
?>
</p>
<?php
} else {
?>
<p><?php
$notice = sprintf(__('This CNAME must start with <samp>http://</samp> and the administrator will have to update <abbr title="%s">DNS</abbr>
entries accordingly.', 'windows-azure-storage'), _x('Domain Name System', 'The proper name of the Internet name resolution system', 'windows-azure-storage'));
echo wp_kses($notice, array('samp' => array(), 'abbr' => array('title' => array())));
?>
</p>
<?php
}
?>
</div>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="http_proxy_host" title="Use HTTP proxy server host name if web proxy server is configured">HTTP Proxy Host Name</label>
</th>
<td>
<input type="text" name="http_proxy_host" title="Use HTTP proxy server host name if web proxy server is configured" value="<?php
echo esc_attr($httpProxyHost);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="http_proxy_port" title="Use HTTP proxy port if web proxy server is configured">HTTP Proxy Port</label>
</th>
<td>
<input type="number" name="http_proxy_port" title="Use HTTP proxy port if web proxy server is configured" value="<?php
echo esc_attr($httpProxyPort);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="http_proxy_username" title="Use HTTP proxy user name if credential is required to access web proxy server">HTTP Proxy User Name</label>
</th>
<td>
<input type="text" name="http_proxy_username" title="Use HTTP proxy user name if credential is required to access web proxy server" value="<?php
echo esc_attr($httpProxyUserName);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="http_proxy_password" title="Use HTTP proxy password if credential is required to access web proxy server">HTTP Proxy Password</label>
</th>
<td>
<input type="text" name="http_proxy_password" title="Use HTTP proxy password if credential is required to access web proxy server" value="<?php
echo esc_attr($httpProxyPassword);
?>
" />
</td>
<td></td>
</tr>
<tr valign="top">
<th scope="row">
<label for="azure_storage_use_for_default_upload" title="Use Windows Azure Storage for default upload">Use Windows Azure Storage for default upload</label>
</th>
<td colspan="2">
<input type="checkbox" name="azure_storage_use_for_default_upload" title="Use Windows Azure Storage for default upload" value="1" id="azure_storage_use_for_default_upload"
<?php
checked((bool) get_option('azure_storage_use_for_default_upload'));
?>
/>
<label for="wp-uploads"> Use Windows Azure Storage when uploading via WordPress' upload tab.</label>
<br />
<small>Note: Uncheck this to revert back to using your own web host for storage at anytime.</small>
</td>
</tr>
</table>
<?php
if (empty($ContainerResult) || !$containerCreationStatus || 0 === count($ContainerResult->getContainers())) {
// 1. If $containerResult object is null means the storage account is not yet set
// show the create container div
?>
<script type="text/javascript">
onContainerSelectionChanged( true );
</script>
<?php
}
}
/**
* Render Upload Tab in the Windows Azure Storage popup dialog
*
* @return void
*/
function windows_azure_storage_dialog_upload_tab()
{
// remove all registerd filters for the tabs
unset($GLOBALS['wp_filter']['media_upload_tabs']);
// register our filter for the tabs
add_filter("media_upload_tabs", "windows_azure_storage_dialog_add_tab");
media_upload_header();
/**
* The post ID of the originating editor page.
*
* Passed via $_GET from the post being edited when the iframe is loaded.
* If iframe is accessed outside an originating editor, this will be 0 and
* nonces will fail. :)
*
* @var int $post_id
*/
$post_id = isset($_GET['post_id']) ? (int) $_GET['post_id'] : 0;
$azure_storage_account_name = WindowsAzureStorageUtil::getAccountName();
$azure_storage_account_primary_access_key = WindowsAzureStorageUtil::getAccountKey();
$default_azure_storage_account_container_name = WindowsAzureStorageUtil::getDefaultContainer();
$uploadMessage = null;
$uploadSuccess = true;
if (empty($azure_storage_account_name) || empty($azure_storage_account_primary_access_key)) {
echo '<h3 style="margin: 10px;">Azure Storage Account not yet configured</h3>';
echo '<p style="margin: 10px;">Please configure the account in Windows Azure Settings Tab.</p>';
} else {
// Set selected container. If none, then use default container
$selected_container_name = $default_azure_storage_account_container_name;
if (!empty($_POST['selected_container'])) {
$selected_container_name = sanitize_text_field($_POST['selected_container']);
} else {
if (!empty($_GET['selected_container'])) {
$selected_container_name = sanitize_text_field($_GET['selected_container']);
}
}
if (empty($selected_container_name)) {
echo '<p style="margin: 10px; color: red;">Default Azure Storage Container name is not yet configured. Please configure it in the Windows Azure Settings Tab.</p>';
}
// Handle file upload
if (!empty($_POST['action']) && 'upload' === $_POST['action']) {
// CSRF okay
if (0 === $_FILES["uploadFileName"]["error"]) {
if (!file_exists($_FILES['uploadFileName']['tmp_name'])) {
echo "<p>Uploaded file " . esc_html($_FILES['uploadFileName']['tmp_name']) . " does not exist</p><br/>";
} else {
$metaData = array('mimetype' => $_FILES['uploadFileName']['type']);
if (!empty($_POST["uploadFileTag"])) {
$metaData["tag"] = sanitize_text_field($_POST["uploadFileTag"]);
}
try {
if (false === check_admin_referer('upload_blob_' . $post_id, 'upload_blob_nonce') || false === WindowsAzureStorageUtil::check_action_permissions('upload')) {
throw new Exception(__('Nonce check failed. Please try again, or contact your site administrator for assistance.', 'windows-azure-storage'));
}
$blobName = WindowsAzureStorageUtil::uniqueBlobName($selected_container_name, $_FILES['uploadFileName']['name']);
WindowsAzureStorageUtil::putBlockBlob($selected_container_name, $blobName, $_FILES['uploadFileName']['tmp_name'], null, $metaData);
$uploadMessage = "Successfully uploaded file '" . $blobName . "' to the container '" . $selected_container_name . "'.";
} catch (Exception $e) {
$uploadSuccess = false;
$uploadMessage = "Error in uploading file '" . $_FILES['uploadFileName']['name'] . "', Error: " . $e->getMessage();
}
}
}
} else {
if (!empty($_POST['action']) && 'create' === $_POST['action']) {
if (!empty($_POST["createContainer"])) {
try {
if (false === check_admin_referer('upload_create_container_' . $post_id, 'upload_create_container_nonce') || false === WindowsAzureStorageUtil::check_action_permissions('create_container')) {
throw new Exception(__('Sorry, you do not have permission to create containers for this
account. Please contact your site administrator for assistance.', 'windows-azure-storage'));
}
WindowsAzureStorageUtil::createPublicContainer(sanitize_text_field($_POST["createContainer"]));
$uploadMessage = "The container '" . $_POST["createContainer"] . "' successfully created";
} catch (Exception $e) {
$uploadSuccess = false;
$uploadMessage = "Container creation failed: " . $e->getMessage();
}
} else {
$uploadSuccess = false;
$uploadMessage = "Please specify container name";
}
}
}
$form_action_url = add_query_arg(array('post_id' => $post_id, 'tab' => 'upload'), MSFT_AZURE_PLUGIN_LEGACY_MEDIA_URL);
?>
<h3 style="margin: 10px;">Upload New File</h3>
<div id="upload-form">
<form name="UploadNewFileForm" style="margin: 10px;" method="post" enctype="multipart/form-data" action="<?php
echo esc_url($form_action_url);
?>
">
<?php
wp_nonce_field('upload_blob_' . $post_id, 'upload_blob_nonce');
?>
<table class="form-table">
<tr valign="top">
<th scope="row">
<label for="selected_container">Container Name :</label>
</th>
<td>
<select name="selected_container" title="Storage container to be used for uploading media files" onChange="<?php
echo esc_js('onUpload_ContainerSelectionChanged();');
?>
">
<?php
try {
$storageClient = WindowsAzureStorageUtil::getStorageClient();
$listContainerResult = $storageClient->listContainers();
foreach ($listContainerResult->getContainers() as $container) {
if (empty($selected_container_name)) {
$selected_container_name = $container->getName();
}
$container_name = $container->getName();
?>
<option value="<?php
echo esc_attr($container_name);
?>
"
<?php
selected($container_name, $selected_container_name);
?>
>
<?php
echo esc_html($container_name);
?>
</option>
<?php
}
?>
<option value="__newContainer__">— <?php
esc_html_e('Create New Container', 'windows-azure-storage');
?>
 —</option>
<?php
} catch (Exception $ex) {
// Fires if account keys are not yet set.
error_log($ex->getMessage(), E_USER_WARNING);
}
?>
</select>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="createContainer" id="lblNewContainer">New Container Name:</label>
</th>
<td>
<input type="text" name="createContainer" value="" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="uploadFileTag">Tag:</label>
</th>
<td>
<input type="text" name="uploadFileTag" value="" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="uploadFileName">File Name:</label>
</th>
<td>
<input type="file" name="uploadFileName" />
</td>
</tr>
</table>
<input type='hidden' name='action' value='upload' />
<?php
wp_nonce_field('upload_create_container_' . $post_id, 'upload_create_container_nonce');
?>
<p class="submit">
<input type="submit" class="button-primary" id="submit" value="<?php
esc_attr_e('Upload', 'windows-azure-storage');
?>
" />
</p>
</form>
</div>
<script type="text/javascript">
onUpload_ContainerSelectionChanged();
</script>
<?php
//TODO: Use WP classes and markup to create notices
if (!empty($uploadMessage)) {
$color = $uploadSuccess ? 'green' : 'red';
printf('<p style="margin: 10px; color: %1$s;">%2$s</p>', esc_attr($color), wp_kses_post($uploadMessage));
}
}
}
/**
* Add option page for Windows Azure Storage Plugin
*
* @return void
*/
function windows_azure_storage_plugin_menu()
{
if (WindowsAzureStorageUtil::check_action_permissions('change_settings')) {
add_options_page('Windows Azure Storage Plugin Settings', 'Windows Azure', 'manage_options', 'b5506889-50de-42db-bf63-e9f248ca94e9', 'windows_azure_storage_plugin_options_page');
}
// Call register settings function
add_action('admin_init', 'windows_azure_storage_plugin_register_settings');
}