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class-plugin.php
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class-plugin.php
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<?php
require_once dirname( __FILE__ ).'/class-plugin-public.php';
class TanTanWordPressS3Plugin extends TanTanWordPressS3PluginPublic {
function TanTanWordPressS3Plugin() {
parent::TanTanWordPressS3PluginPublic();
if ( !file_exists( dirname( __FILE__ ).'/config.php' ) ) {
add_action( 'admin_menu', array( &$this, 'settings' ) );
}
if ( !isset( $this->options['hideAmazonS3UploadTab'] ) || !$this->options['hideAmazonS3UploadTab'] ) {
add_action( 'load-upload.php', array( &$this, 'addPhotosTab' ) ); // WP < 2.5
// WP >= 2.5
add_action( 'media_buttons_context', array( &$this, 'media_buttons' ) );
add_action( 'media_upload_tabs', array( &$this, 'media_upload_tabs' ) );
add_action( 'media_upload_tantan-wordpress-s3', array( &$this, 'media_upload_content' ) );
}
add_action( 'activate_tantan/wordpress-s3.php', array( &$this, 'activate' ) );
if ( isset( $_GET['tantanActivate'] ) && $_GET['tantanActivate'] == 'wordpress-s3' ) {
$this->showConfigNotice();
}
$this->photos = array();
$this->albums = array();
$this->perPage = 1000;
}
// this should install the javascripts onto the user's s3.amazonaws.com account
function installAjax() {
$js = array( 'S3Ajax.js' );
}
function activate() {
wp_redirect( 'plugins.php?tantanActivate=wordpress-s3' );
exit;
}
function deactivate() {}
function showConfigNotice() {
add_action( 'admin_notices', create_function( '', 'echo \'<div id="message" class="updated fade"><p>Amazon S3 Plugin for WordPress <strong>activated</strong>. <a href="options-general.php?page=tantan/wordpress-s3/class-plugin.php">Configure the plugin ></a></p></div>\';' ) );
}
function settings() {
add_options_page( 'Amazon S3', 'Amazon S3', 'manage_options', __FILE__, array( &$this, 'admin' ) );
$this->version_check();
}
function addhooks() {
parent::addhooks();
if ( !isset( $_POST['disable_amazonS3'] ) || !$_POST['disable_amazonS3'] ) {
add_filter( 'wp_update_attachment_metadata', array( &$this, 'wp_update_attachment_metadata' ), 9, 2 );
//can't delete mirrored files just yet
//add_filter('wp_get_attachment_metadata', array(&$this, 'wp_get_attachment_metadata'));
add_filter( 'delete_attachment', array( &$this, 'delete_attachment' ) );
}
}
function version_check() {
global $TanTanVersionCheck;
if ( is_object( $TanTanVersionCheck ) ) {
$data = get_plugin_data( dirname( __FILE__ ).'/../wordpress-s3.php' );
$TanTanVersionCheck->versionCheck( 668, $data['Version'] );
}
}
function admin() {
if ( isset( $_POST['action'] ) && $_POST['action'] == 'save' ) {
if ( !is_array( $_POST['options'] ) ) $_POST['options'] = array();
$options = get_option( 'tantan_wordpress_s3' );
$_POST['options']['key'] = trim( $_POST['options']['key'] );
$_POST['options']['secret'] = trim( $_POST['options']['secret'] );
if ( !$_POST['options']['secret'] || ereg( 'not shown', $_POST['options']['secret'] ) ) {
$_POST['options']['secret'] = $options['secret'];
}
update_option( 'tantan_wordpress_s3', $_POST['options'] );
if ( isset( $_POST['options']['bucket'] ) && $_POST['options']['bucket'] ) {
$options = get_option( 'tantan_wordpress_s3' );
require_once dirname( __FILE__ ).'/lib.s3.php';
$s3 = new TanTanS3( $options['key'], $options['secret'] );
if ( !in_array( $_POST['options']['bucket'], $s3->listBuckets() ) ) {
if ( $s3->createBucket( $_POST['options']['bucket'], 'public-read' ) ) {
$message = "Saved settings and created a new bucket: ".$_POST['options']['bucket'];
} else {
$error = "There was an error creating the bucket: ".$_POST['options']['bucket'];
}
} else {
$message = "Saved settings.";
}
} else {
$message = "Saved Amazon S3 authentication information. ";
}
if ( function_exists( 'dns_get_record' ) && isset( $_POST['options']['virtual-host'] ) && $_POST['options']['virtual-host'] ) {
$record = dns_get_record( $_POST['options']['bucket'] );
if ( ( $record[0]['type'] != 'CNAME' ) || ( $record[0]['target'] != $_POST['options']['bucket'].'s3.amazonaws.com' ) ) {
$error = "Warning: Your DNS doesn't seem to be setup correctly to virtually host the domain <em>".$_POST['options']['bucket']."</em>. ".
"Double check and make sure the following entry is added to your DNS. ".
"<a href='http://docs.amazonwebservices.com/AmazonS3/2006-03-01/VirtualHosting.html'>More info ></a>".
"<br /><br />".
"<code>".$_POST['options']['bucket']." CNAME ".$_POST['options']['bucket'].".s3.amazonaws.com.</code>".
"<br /><br />".
"<small>You can ignore this message if you're sure everything is setup correctly.</small>";
}
}
}
$options = get_option( 'tantan_wordpress_s3' );
if ( $options['key'] && $options['secret'] ) {
require_once dirname( __FILE__ ).'/lib.s3.php';
$s3 = new TanTanS3( $options['key'], $options['secret'] );
$buckets = $s3->listBuckets();
if ( !is_array( $buckets ) ) {
$error = $this->getErrorMessage( $s3->parsed_xml, $s3->responseCode );
}
$s3->initCacheTables();
} elseif ( $options['key'] ) {
$error = "Please enter your Secret Access Key.";
} elseif ( $options['secret'] ) {
$error = "Please enter your Access Key ID.";
}
include dirname( __FILE__ ).'/admin-options.php';
}
/*
Delete corresponding files from Amazon S3
*/
function delete_attachment( $post_id ) {
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
if ( !$this->options['wp-uploads'] || !$this->options['bucket'] || !$this->options['secret'] ) {
return;
}
$backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true );
$intermediate_sizes = array();
foreach ( get_intermediate_image_sizes() as $size ) {
if ( $intermediate = image_get_intermediate_size( $post_id, $size ) )
$intermediate_sizes[] = $intermediate;
}
if ( !( $amazon = get_post_meta( $post_id, 'amazonS3_info', true ) ) ) {
return;
}
$amazon_path = dirname( $amazon['key'] );
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
$this->s3->setOptions( $this->options );
// remove intermediate and backup images if there are any
foreach ( $intermediate_sizes as $intermediate ) {
$this->s3->deleteObject( $amazon['bucket'], path_join( $amazon_path, $intermediate['file'] ) );
}
if ( is_array( $backup_sizes ) ) {
foreach ( $backup_sizes as $size ) {
$this->s3->deleteObject( $amazon['bucket'], path_join( $amazon_path, $del_file ) );
}
}
$this->s3->deleteObject( $amazon['bucket'], $amazon['key'] );
}
function wp_get_attachment_metadata( $data=false, $postID=false ) {
if ( is_numeric( $postID ) ) $this->meta = get_post_meta( $postID, 'amazonS3_info', true );
return $data;
}
/*
Handle uploads through default WordPress upload handler
*/
function wp_update_attachment_metadata( $data, $postID ) {
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
if ( !$this->options['wp-uploads'] || !$this->options['bucket'] || !$this->options['secret'] ) {
return $data;
}
add_filter( 'option_siteurl', array( &$this, 'upload_path' ) );
$uploadDir = wp_upload_dir();
remove_filter( 'option_siteurl', array( &$this, 'upload_path' ) );
$parts = parse_url( $uploadDir['url'] );
$prefix = substr( $parts['path'], 1 ) .'/';
$type = get_post_mime_type( $postID );
$data['file'] = get_attached_file( $postID, true );
$acl = apply_filters( 'wps3_upload_acl', 'public-read', $type, $data, $postID, $this );
if ( file_exists( $data['file'] ) ) {
$file = array(
'name' => basename( $data['file'] ),
'type' => $type,
'tmp_name' => $data['file'],
'error' => 0,
'size' => filesize( $data['file'] ),
);
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
$this->s3->setOptions( $this->options );
if ( $this->s3->putObjectStream( $this->options['bucket'], $prefix.$file['name'], $file, $acl ) ) {
if ( isset( $data['thumb'] ) && $data['thumb'] ) {
$thumbpath = str_replace( basename( $data['file'] ), $data['thumb'], $data['file'] );
$filethumb = array(
'name' => $data['thumb'],
'type' => $type,
'tmp_name' => $thumbpath,
'size' => filesize( $thumbpath ),
);
$this->s3->putObjectStream( $this->options['bucket'], $prefix.$filethumb['name'], $filethumb );
} elseif ( count( $data['sizes'] ) ) foreach ( $data['sizes'] as $altName => $altSize ) {
$altPath = str_replace( basename( $data['file'] ), $altSize['file'], $data['file'] );
$altMeta = array(
'name' => $altSize['file'],
'type' => $type,
'tmp_name' => $altPath,
'size' => filesize( $altPath ),
);
$this->s3->putObjectStream( $this->options['bucket'], $prefix.$altMeta['name'], $altMeta );
}
delete_post_meta( $postID, 'amazonS3_info' );
add_post_meta( $postID, 'amazonS3_info', array(
'bucket' => $this->options['bucket'],
'key' => $prefix.$file['name']
) );
} else {
}
}
return $data;
}
function wp_handle_upload( $info ) {
return $info;
}
// figure out the correct path to upload to, for wordpress mu installs
function upload_path( $path='' ) {
global $current_blog;
if ( !$current_blog ) return $path;
if ( $current_blog->path == '/' && ( $current_blog->blog_id != 1 ) ) {
$dir = substr( $current_blog->domain, 0, strpos( $current_blog->domain, '.' ) );
} else {
// prepend a directory onto the path for vhosted blogs
if ( constant( "VHOST" ) != 'yes' ) {
$dir = '';
} else {
$dir = $current_blog->path;
}
}
//echo trim($path.'/'.$dir, '/');
if ( $path == '' ) {
$path = $current_blog->path;
}
return trim( $path.'/'.$dir, '/' );
}
function media_buttons( $context ) {
global $post_ID, $temp_ID;
$pluginRootURL = plugins_url( '', __FILE__ );
$image_btn = $pluginRootURL.'/database.png';
$image_title = 'Amazon S3';
$uploading_iframe_ID = (int) ( 0 == $post_ID ? $temp_ID : $post_ID );
$media_upload_iframe_src = "media-upload.php?post_id=$uploading_iframe_ID";
$out = ' <a href="'.$media_upload_iframe_src.'&tab=tantan-wordpress-s3&TB_iframe=true&height=500&width=640" class="thickbox" title="'.$image_title.'"><img src="'.$image_btn.'" alt="'.$image_title.'" /></a>';
return $context.$out;
}
function media_upload_tabs( $tabs ) {
$tabs['tantan-wordpress-s3'] = 'Amazon S3';
return $tabs;
}
function media_upload_content() {
$this->upload_files_tantan_amazons3(); // process any uploaded files or new folders
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
//if (!is_object($this->s3)) {
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
$this->s3->setOptions( $this->options );
//}
add_action( 'admin_print_scripts', array( &$this, 'upload_tabs_scripts' ) );
wp_iframe( array( &$this, 'tab' ) );
}
/*
Display tabs
*/
function addPhotosTab() {
add_filter( 'wp_upload_tabs', array( &$this, 'wp_upload_tabs' ) );
add_action( 'upload_files_tantan_amazons3', array( &$this, 'upload_files_tantan_amazons3' ) );
add_action( 'upload_files_upload', array( &$this, 'upload_files_upload' ) );
add_action( 'admin_print_scripts', array( &$this, 'upload_tabs_scripts' ) );
}
function wp_upload_tabs( $array ) {
/*
0 => tab display name,
1 => required cap,
2 => function that produces tab content,
3 => total number objects OR array(total, objects per page),
4 => add_query_args
*/
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
if ( $this->options['key'] && $this->options['secret'] && $this->options['bucket'] ) {
$paged = array();
$args = array( 'prefix' => '' ); // this doesn't do anything in WP 2.1.2
$tab = array(
'tantan_amazons3' => array( 'Amazon S3', 'upload_files', array( &$this, 'tab' ), $paged, $args ),
//'tantan_amazons3_upload' => array('Upload S3', 'upload_files', array(&$this, 'upload'), $paged, $args),
);
return array_merge( $array, $tab );
} else {
return $array;
}
}
function get_access_domain() {
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
if ( isset( $this->options['cloudfront'] ) && $this->options['cloudfront'] ) {
return $this->options['cloudfront'];
}
elseif ( isset( $this->options['virtual-host'] ) && $this->options['virtual-host'] ) {
return $this->options['bucket'];
}
else {
return $this->options['bucket'].'.s3.amazonaws.com';
}
}
function upload_tabs_scripts() {
//wp_enqueue_script('prototype');
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
$accessDomain = $this->get_access_domain();
include dirname( __FILE__ ).'/admin-tab-head.php';
}
function upload_files_upload() {
// javascript here to inject javascript and allow the upload from to post to amazon s3 instead
}
function upload_files_tantan_amazons3() {
global $current_blog;
$restrictPrefix = ''; // restrict to a selected prefix in current bucket
if ( $current_blog ) { // if wordpress mu
$restrictPrefix = ltrim( $this->upload_path().'/files/', '/' );
}
if ( is_array( $_FILES['newfile'] ) ) {
$file = $_FILES['newfile'];
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
$this->s3->setOptions( $this->options );
$this->s3->putObjectStream( $this->options['bucket'], $restrictPrefix.$_GET['prefix'].$file['name'], $file );
}
if ( $_POST['newfolder'] ) {
if ( !$this->options ) $this->options = get_option( 'tantan_wordpress_s3' );
require_once dirname( __FILE__ ).'/lib.s3.php';
$this->s3 = new TanTanS3( $this->options['key'], $this->options['secret'] );
$this->s3->putPrefix( $this->options['bucket'], $restrictPrefix.$_POST['prefix'].$_POST['newfolder'] );
}
}
function tab() {
global $current_blog;
$restrictPrefix = ''; // restrict to a selected prefix in current bucket
if ( $current_blog ) { // if wordpress mu
$restrictPrefix = ltrim( $this->upload_path().'/files/', '/' );
}
$offsetpage = (int) $_GET['paged'];
if ( !$offsetpage ) $offsetpage = 1;
if ( !$this->options['key'] || !$this->options['secret'] ) {
return;
}
$bucket = $this->options['bucket'];
$accessDomain = $this->get_access_domain();
$prefix = $_GET['prefix'] ? $_GET['prefix'] : '';
list( $prefixes, $keys, $meta, $privateKeys ) = $this->getKeys( $restrictPrefix.$prefix );
if ( $restrictPrefix ) {
foreach ( $prefixes as $k=>$v ) {
$prefixes[$k] = str_replace( $restrictPrefix, '', $v );
}
}
include dirname( __FILE__ ).'/admin-tab.php';
}
function getErrorMessage( $parsed_xml, $responseCode ) {
$message = 'Error '.$responseCode.': ' . $parsed_xml->Message;
if ( isset( $parsed_xml->StringToSignBytes ) ) $message .= "<br>Hex-endcoded string to sign: " . $parsed_xml->StringToSignBytes;
return $message;
}
// turns array('a', 'b', 'c') into $array['a']['b']['c']
function mapKey( $keys, $path ) {
$k =& $keys;
$size = count( $path ) - 1;
$workingPath = '/';
foreach ( $path as $i => $p ) {
if ( $i === $size ) {
$k['_size'] = isset( $k['_size'] ) ? $k['_size'] + 1 : 1;
$k['_path'] = $workingPath;
$k['_objects'][$k['_size']] = $p;
} else {
$k =& $k[$p]; // traverse the tree
$workingPath .= $p . '/';
}
}
return $keys;
}
// should probably figgure out a way to cache these results to make things more speedy
function getKeys( $prefix ) {
$ret = $this->s3->listKeys( $this->options['bucket'], false, urlencode( $prefix ), '/' );//, false, 's3/', '/');
if ( $this->s3->responseCode >= 400 ) {
return array();
}
$keys = array();
$privateKeys = array();
$prefixes = array();
$meta = array();
if ( $this->s3->parsed_xml->CommonPrefixes ) foreach ( $this->s3->parsed_xml->CommonPrefixes as $content ) {
$prefixes[] = (string) $content->Prefix;
}
if ( $this->s3->parsed_xml->Contents ) foreach ( $this->s3->parsed_xml->Contents as $content ) {
$key = (string) $content->Key;
if ( $this->isPublic( $key ) ) $keys[] = $key;
else {
if ( !( $p1 = ereg( '^\.', $key ) ) &&
!( $p2 = ereg( '_\$folder\$$', $key ) ) &&
!( $p3 = ereg( 'placeholder.ns3', $key ) ) ) {
$privateKeys[] = $key;
} elseif ( $p2 ) {
$prefix = ereg_replace( '(_\$folder\$$)', '/', $key );
if ( !in_array( $prefix, $prefixes ) ) $prefixes[] = $prefix;
} else {
}
}
}
if ( $this->options['permissions'] == 'public' ) {
foreach ( $privateKeys as $key ) {
$this->s3->setObjectACL( $this->options['bucket'], $key, 'public-read' );
$keys[] = $key;
}
}
foreach ( $keys as $i => $key ) {
$meta[$i] = $this->s3->getMetadata( $this->options['bucket'], $key );
}
natcasesort( $keys );
natcasesort( $prefixes );
return array( $prefixes, $keys, $meta, $privateKeys );
}
function isPublic( $key ) {
$everyone = 'http://acs.amazonaws.com/groups/global/AllUsers';
$this->s3->getObjectACL( $this->options['bucket'], $key );
$acl = (array) $this->s3->parsed_xml->AccessControlList;
if ( is_array( $acl['Grant'] ) ) foreach ( $acl['Grant'] as $grant ) {
$grant = (array) $grant;
if ( $grant['Grantee'] && ( ereg( 'AllUsers', (string) $grant['Grantee']->URI ) ) ) {
$perm = (string) $grant['Permission'];
if ( $perm == 'READ' || $perm == 'FULL_CONTROL' ) return true;
}
}
}
}