send-wp-mail/send-email-from-admin.php
2016-04-15 17:33:04 +00:00

268 lines
10 KiB
PHP

<?php
/*
Plugin Name: Send Email From Admin
Plugin URI:
Description: Easily send a simple custom email with an attachment from the WordPress administration screen. Tools -> Send Email.
Version: 1.0
Author: kojak711
Domain Path: /languages
Text Domain: sefa
Send Email From Admin is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Send Email From Admin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Send Email From Admin. If not, see <http://www.gnu.org/licenses/>.
*/
# Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
define( 'SEFA_PLUGIN_DIR_URL', plugin_dir_url( __FILE__ ) );
define( 'SEFA_PLUGIN_VER', '0.9.3' );
/**
* Add our sub menu in the Tools menu
*
* @since 0.9.2
*/
function sefa_plugin_add_admin_page() {
// create sefa submenu page under the Tools menu
$sefa_page = add_submenu_page( 'tools.php', 'Send Email From Admin', 'Send Email', 'manage_options', 'sefa_email', 'sefa_plugin_main' );
// load js and css on sefa page only
add_action( 'load-' . $sefa_page, 'sefa_plugin_scripts' );
}
add_action( 'admin_menu', 'sefa_plugin_add_admin_page' );
/**
* Load our css and js.
*
* @since 0.9.2
*/
function sefa_plugin_scripts() {
wp_enqueue_style( 'sefa_admin_css', SEFA_PLUGIN_DIR_URL . 'css/sefa.css', '', SEFA_PLUGIN_VER );
wp_enqueue_script( 'sefa_admin_js', SEFA_PLUGIN_DIR_URL . 'js/sefa.js', array('jquery'), SEFA_PLUGIN_VER);
}
/**
* Register our text domain.
*
* @since 0.9
*/
function sefa_plugin_load_textdomain() {
load_plugin_textdomain( 'sefa', false, plugin_basename( dirname( __FILE__ ) ) . '/languages' );
}
add_action('plugins_loaded', 'sefa_plugin_load_textdomain');
/**
* Our main function to display and process our form
*
* @since 0.9
*/
function sefa_plugin_main() {
// get site info to construct 'FROM' for email
$from_name = wp_specialchars_decode( get_option('blogname'), ENT_QUOTES );
$from_email = get_bloginfo('admin_email');
// initialize
$send_mail_message = false;
if ( !empty( $_POST ) && check_admin_referer( 'sefa_send_email', 'sefa-form-nonce' ) ) {
// handle attachment
$attachment_path = '';
if ( $_FILES ) {
if ( !function_exists( 'wp_handle_upload' ) ) {
require_once( ABSPATH . 'wp-admin/includes/file.php' );
}
$uploaded_file = $_FILES['attachment'];
$upload_overrides = array( 'test_form' => false );
$attachment = wp_handle_upload( $uploaded_file, $upload_overrides );
if ( $attachment && !isset( $attachment['error'] ) ) {
// file was successfully uploaded
$attachment_path = $attachment['file'];
} else {
// echo $attachment['error'];
}
}
// get the posted form values
$sefa_recipient_emails = isset( $_POST['sefa_recipient_emails'] ) ? trim($_POST['sefa_recipient_emails']) : '';
$sefa_subject = isset( $_POST['sefa_subject'] ) ? stripslashes(trim($_POST['sefa_subject'])) : '';
$sefa_body = isset( $_POST['sefa_body'] ) ? stripslashes(nl2br($_POST['sefa_body'])) : '';
$sefa_group_email = isset( $_POST['sefa_group_email'] ) ? trim($_POST['sefa_group_email']) : 'no';
$recipients = explode( ',',$sefa_recipient_emails );
// initialize some vars
$errors = array();
$valid_email = true;
// simple form validation
if ( empty( $sefa_recipient_emails ) ) {
$errors[] = __( "Please enter an email recipient in the To: field.", 'sefa' );
} else {
// Loop through each email and validate it
foreach( $recipients as $recipient ) {
if ( !filter_var( trim($recipient), FILTER_VALIDATE_EMAIL ) ) {
$valid_email = false;
break;
}
}
// create appropriate error msg
if ( !$valid_email ) {
$errors[] = _n( "The To: email address appears to be invalid.", "One of the To: email addresses appears to be invalid.", count($recipients), 'sefa' );
}
}
if ( empty($sefa_subject) ) $errors[] = __( "Please enter a Subject.", 'sefa' );
if ( empty($sefa_body) ) $errors[] = __( "Please enter a Message.", 'sefa' );
// send the email if no errors were found
if ( empty($errors) ) {
$headers[] = "Content-Type: text/html; charset=\"" . get_option('blog_charset') . "\"\n";
$headers[] = 'From: ' . $from_name . ' <' . $from_email . ">\r\n";
$attachments = $attachment_path;
if ( $sefa_group_email === 'yes' ) {
if ( wp_mail( $sefa_recipient_emails, $sefa_subject, $sefa_body, $headers, $attachments ) ) {
$send_mail_message = '<div class="updated">' . __( 'Your email has been successfully sent!', 'sefa' ) . '</div>';
} else {
$send_mail_message = '<div class="error">' . __( 'There was an error sending the email.', 'sefa' ) . '</div>';
}
} else {
foreach( $recipients as $recipient ) {
if ( wp_mail( $recipient, $sefa_subject, $sefa_body, $headers, $attachments ) ) {
$send_mail_message .= '<div class="updated">' . __( 'Your email has been successfully sent to ', 'sefa' ) . esc_html($recipient) . '!</div>';
} else {
$send_mail_message .= '<div class="error">' . __( 'There was an error sending the email to ', 'sefa' ) . esc_html($recipient) . '</div>';
}
}
}
// delete the uploaded file (attachment) from the server
if ( $attachment_path ) {
unlink($attachment_path);
}
}
}
?>
<div class="wrap" id="sefa-wrapper">
<h1><?php _e( 'Send Email From Admin', 'sefa' ); ?></h1>
<?php
if ( !empty($errors) ) {
echo '<div class="error"><ul>';
foreach ($errors as $error) {
echo "<li>$error</li>";
}
echo "</ul></div>\n";
}
if ( $send_mail_message ) {
echo $send_mail_message;
}
?>
<div id="poststuff">
<div id="post-body" class="metabox-holder columns-2">
<div id="post-body-content">
<form method="POST" id="sefa-form" enctype="multipart/form-data">
<?php wp_nonce_field( 'sefa_send_email', 'sefa-form-nonce' ); ?>
<table cellpadding="0" border="0" class="form-table">
<tr>
<th scope=”row”>From:</th>
<td><input type="text" disabled value="<?php echo "$from_name &lt;$from_email&gt;"; ?>" required><div class="note"><?php _e( 'These can be changed in Settings->General.', 'sefa' ); ?></div></td>
</tr>
<tr>
<th scope=”row”><label for="sefa-recipient-emails">To:</label></th>
<td><input type="email" multiple id="sefa-recipient-emails" name="sefa_recipient_emails" value="<?php echo esc_attr( sefa_plugin_issetor($sefa_recipient_emails) ); ?>" required><div class="note"><?php _e( 'To send to multiple recipients, enter each email address separated by a comma or choose from the user list below.', 'sefa' ); ?></div>
<select id="sefa-user-list">
<option value="">-- <?php _e( 'user list', 'sefa' ); ?> --</option>
<?php
$users = get_users( 'orderby=user_email' );
foreach ( $users as $user ) {
if ( $user->first_name && $user->last_name ) {
$user_fullname = ' (' . $user->first_name . ' ' . $user->last_name . ')';
} else {
$user_fullname = '';
}
echo '<option value="' . esc_html( $user->user_email ) . '">' . esc_html( $user->user_email ) . esc_html( $user_fullname) . '</option>';
};
?>
</select>
</td>
</tr>
<tr>
<th scope=”row”></th>
<td>
<div class="sefa-radio-wrap">
<input type="radio" class="radio" name="sefa_group_email" value="no" id="no"<?php if ( isset($sefa_group_email) && $sefa_group_email === 'no' ) echo ' checked'; ?> required>
<label for="no"><?php _e( 'Send each recipient an individual email', 'sefa' ); ?></label>
</div>
&nbsp;&nbsp;
<div class="sefa-radio-wrap">
<input type="radio" class="radio" name="sefa_group_email" value="yes" id="yes"<?php if ( isset($sefa_group_email) && $sefa_group_email === 'yes' ) echo ' checked'; ?> required>
<label for="yes"><?php _e( 'Send a group email to all recipients', 'sefa' ); ?></label>
</div>
</td>
</tr>
<tr>
<th scope=”row”><label for="sefa-subject">Subject:</label></th>
<td><input type="text" id="sefa-subject" name="sefa_subject" value="<?php echo esc_attr( sefa_plugin_issetor($sefa_subject) );?>" required></td>
</tr>
<tr>
<th scope=”row”><label for="sefa_body">Message:</label></th>
<td align="left">
<?php
$settings = array( "editor_height" => "200" );
wp_editor( sefa_plugin_issetor($sefa_body), "sefa_body", $settings );
?>
</td>
</tr>
<tr>
<th scope=”row”><label for="attachment">Attachment:</label></th>
<td><input type="file" id="attachment" name="attachment"></td>
</tr>
<tr>
<td colspan="2" align="right">
<input type="submit" value="<?php _e( 'Send Email', 'sefa' ); ?>" name="submit" class="button button-primary">
</td>
</tr>
</table>
</form>
</div>
<div id="postbox-container-1" class="postbox-container">
<div class="postbox">
<h3><span>Like this plugin?</span></h3>
<div class="inside">
<ul>
<li><a href="https://wordpress.org/support/view/plugin-reviews/send-email-from-admin?filter=5" target="_blank">Rate it on WordPress.org</a></li>
<li><a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=8HHLL6WRX9Z68" target="_blank">Donate to the developer</a></li>
</ul>
</div> <!-- .inside -->
</div>
</div>
<div class="clear"></div>
</div>
</div>
</div>
<?php
}
/**
* Helper function for form values
*
* @since 0.9
*
* @param string $var Var name to test isset
*
* @return string $var value if isset or ''
*/
function sefa_plugin_issetor(&$var) {
return isset($var) ? $var : '';
}