/**
* 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));
}
}
}
/**
* TODO: Implement wp_unique_filename filter once its available in WordPress.
*
* Hook for altering the file name.
* Check whether the blob exists in the container and generate a unique file name for the blob.
*
* @param array $file An array of data for a single file.
*
* @return array Updated file data.
*/
function windows_azure_storage_wp_handle_upload_prefilter($file)
{
//default azure storage container
$container = WindowsAzureStorageUtil::getDefaultContainer();
$uploadDir = wp_upload_dir();
if ($uploadDir['subdir'][0] == "/") {
$uploadDir['subdir'] = substr($uploadDir['subdir'], 1);
}
// Prepare blob name
$blobName = $uploadDir['subdir'] == "" ? $file['name'] : $uploadDir['subdir'] . "/" . $file['name'];
$blobName = WindowsAzureStorageUtil::uniqueBlobName($container, $blobName);
$file['name'] = basename($blobName);
return $file;
}
/**
* Render Upload Tab in the Windows Azure Storage popup dialog
*
* @return void
*/
function windows_azure_storage_dialog_upload_tab()
{
// remove all registerd filters for the tabs
unset($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();
$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 {
$storageClient = WindowsAzureStorageUtil::getStorageClient();
// 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 = $_POST['selected_container'];
} else {
if (!empty($_GET['selected_container'])) {
$selected_container_name = $_GET['selected_container'];
}
}
if (empty($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>';
$selected_container_name = $first_container_name;
}
// Handle file upload
if (!empty($_POST['action']) && $_POST["action"] == "Upload") {
if ($_FILES["uploadFileName"]["error"] == 0) {
if (!file_exists($_FILES['uploadFileName']['tmp_name'])) {
echo "<p>Uploaded file " . $_FILES['uploadFileName']['tmp_name'] . " does not exist</p><br/>";
} else {
$metaData = array('mimetype' => $_FILES['uploadFileName']['type']);
if (!empty($_POST["uploadFileTag"])) {
$metaData["tag"] = $_POST["uploadFileTag"];
}
try {
$blobName = WindowsAzureStorageUtil::uniqueBlobName($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']) && $_POST["action"] == "Create") {
if (!empty($_POST["createContainer"])) {
try {
WindowsAzureStorageUtil::createPublicContainer($_POST["createContainer"]);
$uploadMessage = "The container '" . $_POST["createContainer"] . "' successfully created";
} catch (Exception $e) {
$uploadSuccess = false;
$uploadMessage = "Container creation failed', Error: " . $e->getMessage();
}
} else {
$uploadSuccess = false;
$uploadMessage = "Please specify container name";
}
}
}
?>
<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 $_SERVER['REQUEST_URI'];
?>
">
<table class="form-table">
<tr valign="top">
<th scope="row">
<label for="selected_container">Container Name :</label>
</th>
<td>
<select name="selected_container" title="Stoarge container to be used for uploading media files" onChange="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();
}
?>
<option value="<?php
echo $container->getName();
?>
"
<?php
echo $container->getName() == $selected_container_name ? 'selected="selected"' : '';
?>
>
<?php
echo $container->getName();
?>
</option>
<?php
}
?>
<option value="<Create New Container>"><Create New Container></option>
<?php
} catch (Exception $ex) {
// Ignore exception as account keys are not yet set
}
?>
</select>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="createContainer" id="lblNewContainer">New Container Name:</label>
</th>
<td>
<input type="text" name="createContainer" value="" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="uploadFileTag">Tag:</label>
</th>
<td>
<input type="text" name="uploadFileTag" value="" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="uploadFileName">File Name:</label>
</th>
<td>
<input type="file" name="uploadFileName" />
</td>
</tr>
</table>
<input type='hidden' name='action' value='Upload' />
<p class="submit">
<input type="submit" class="button-primary" id="submit" value="Upload" />
</p>
</form>
</div>
<script type="text/javascript">
onUpload_ContainerSelectionChanged();
</script>
<?php
if (!empty($uploadMessage)) {
$color = $uploadSuccess ? 'green' : 'red';
echo '<p style="margin: 10px; color: ' . $color . ';">' . $uploadMessage . "</p><br/>";
}
}
}
