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1 <?php 2 /** 3 * Gets the email message from the user's mailbox to add as 4 * a WordPress post. Mailbox connection information must be 5 * configured under Settings > Writing 6 * 7 * @package WordPress 8 */ 9 10 /** Make sure that the WordPress bootstrap has run before continuing. */ 11 require( dirname( __FILE__ ) . '/wp-load.php' ); 12 13 /** This filter is documented in wp-admin/options.php */ 14 if ( ! apply_filters( 'enable_post_by_email_configuration', true ) ) { 15 wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); 16 } 17 18 $mailserver_url = get_option( 'mailserver_url' ); 19 20 if ( 'mail.example.com' === $mailserver_url || empty( $mailserver_url ) ) { 21 wp_die( __( 'This action has been disabled by the administrator.' ), 403 ); 22 } 23 24 /** 25 * Fires to allow a plugin to do a complete takeover of Post by Email. 26 * 27 * @since 2.9.0 28 */ 29 do_action( 'wp-mail.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores 30 31 /** Get the POP3 class with which to access the mailbox. */ 32 require_once( ABSPATH . WPINC . '/class-pop3.php' ); 33 34 /** Only check at this interval for new messages. */ 35 if ( ! defined( 'WP_MAIL_INTERVAL' ) ) { 36 define( 'WP_MAIL_INTERVAL', 300 ); // 5 minutes 37 } 38 39 $last_checked = get_transient( 'mailserver_last_checked' ); 40 41 if ( $last_checked ) { 42 wp_die( __( 'Slow down cowboy, no need to check for new mails so often!' ) ); 43 } 44 45 set_transient( 'mailserver_last_checked', true, WP_MAIL_INTERVAL ); 46 47 $time_difference = get_option( 'gmt_offset' ) * HOUR_IN_SECONDS; 48 49 $phone_delim = '::'; 50 51 $pop3 = new POP3(); 52 53 if ( ! $pop3->connect( get_option( 'mailserver_url' ), get_option( 'mailserver_port' ) ) || ! $pop3->user( get_option( 'mailserver_login' ) ) ) { 54 wp_die( esc_html( $pop3->ERROR ) ); 55 } 56 57 $count = $pop3->pass( get_option( 'mailserver_pass' ) ); 58 59 if ( false === $count ) { 60 wp_die( esc_html( $pop3->ERROR ) ); 61 } 62 63 if ( 0 === $count ) { 64 $pop3->quit(); 65 wp_die( __( 'There doesn’t seem to be any new mail.' ) ); 66 } 67 68 for ( $i = 1; $i <= $count; $i++ ) { 69 70 $message = $pop3->get( $i ); 71 72 $bodysignal = false; 73 $boundary = ''; 74 $charset = ''; 75 $content = ''; 76 $content_type = ''; 77 $content_transfer_encoding = ''; 78 $post_author = 1; 79 $author_found = false; 80 foreach ( $message as $line ) { 81 // Body signal. 82 if ( strlen( $line ) < 3 ) { 83 $bodysignal = true; 84 } 85 if ( $bodysignal ) { 86 $content .= $line; 87 } else { 88 if ( preg_match( '/Content-Type: /i', $line ) ) { 89 $content_type = trim( $line ); 90 $content_type = substr( $content_type, 14, strlen( $content_type ) - 14 ); 91 $content_type = explode( ';', $content_type ); 92 if ( ! empty( $content_type[1] ) ) { 93 $charset = explode( '=', $content_type[1] ); 94 $charset = ( ! empty( $charset[1] ) ) ? trim( $charset[1] ) : ''; 95 } 96 $content_type = $content_type[0]; 97 } 98 if ( preg_match( '/Content-Transfer-Encoding: /i', $line ) ) { 99 $content_transfer_encoding = trim( $line ); 100 $content_transfer_encoding = substr( $content_transfer_encoding, 27, strlen( $content_transfer_encoding ) - 27 ); 101 $content_transfer_encoding = explode( ';', $content_transfer_encoding ); 102 $content_transfer_encoding = $content_transfer_encoding[0]; 103 } 104 if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos( $line, 'boundary="' ) ) && ( '' == $boundary ) ) { 105 $boundary = trim( $line ); 106 $boundary = explode( '"', $boundary ); 107 $boundary = $boundary[1]; 108 } 109 if ( preg_match( '/Subject: /i', $line ) ) { 110 $subject = trim( $line ); 111 $subject = substr( $subject, 9, strlen( $subject ) - 9 ); 112 // Captures any text in the subject before $phone_delim as the subject 113 if ( function_exists( 'iconv_mime_decode' ) ) { 114 $subject = iconv_mime_decode( $subject, 2, get_option( 'blog_charset' ) ); 115 } else { 116 $subject = wp_iso_descrambler( $subject ); 117 } 118 $subject = explode( $phone_delim, $subject ); 119 $subject = $subject[0]; 120 } 121 122 /* 123 * Set the author using the email address (From or Reply-To, the last used) 124 * otherwise use the site admin. 125 */ 126 if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) { 127 if ( preg_match( '|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches ) ) { 128 $author = $matches[0]; 129 } else { 130 $author = trim( $line ); 131 } 132 $author = sanitize_email( $author ); 133 if ( is_email( $author ) ) { 134 /* translators: %s: Post author email address. */ 135 echo '<p>' . sprintf( __( 'Author is %s' ), $author ) . '</p>'; 136 $userdata = get_user_by( 'email', $author ); 137 if ( ! empty( $userdata ) ) { 138 $post_author = $userdata->ID; 139 $author_found = true; 140 } 141 } 142 } 143 144 if ( preg_match( '/Date: /i', $line ) ) { // of the form '20 Mar 2002 20:32:37 +0100' 145 $ddate = str_replace( 'Date: ', '', trim( $line ) ); 146 $ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate ); // remove parenthesised timezone string if it exists, as this confuses strtotime 147 $ddate_U = strtotime( $ddate ); 148 $post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference ); 149 $post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U ); 150 } 151 } 152 } 153 154 // Set $post_status based on $author_found and on author's publish_posts capability 155 if ( $author_found ) { 156 $user = new WP_User( $post_author ); 157 $post_status = ( $user->has_cap( 'publish_posts' ) ) ? 'publish' : 'pending'; 158 } else { 159 // Author not found in DB, set status to pending. Author already set to admin. 160 $post_status = 'pending'; 161 } 162 163 $subject = trim( $subject ); 164 165 if ( $content_type == 'multipart/alternative' ) { 166 $content = explode( '--' . $boundary, $content ); 167 $content = $content[2]; 168 169 // Match case-insensitive content-transfer-encoding. 170 if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim ) ) { 171 $content = explode( $delim[0], $content ); 172 $content = $content[1]; 173 } 174 $content = strip_tags( $content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>' ); 175 } 176 $content = trim( $content ); 177 178 /** 179 * Filters the original content of the email. 180 * 181 * Give Post-By-Email extending plugins full access to the content, either 182 * the raw content, or the content of the last quoted-printable section. 183 * 184 * @since 2.8.0 185 * 186 * @param string $content The original email content. 187 */ 188 $content = apply_filters( 'wp_mail_original_content', $content ); 189 190 if ( false !== stripos( $content_transfer_encoding, 'quoted-printable' ) ) { 191 $content = quoted_printable_decode( $content ); 192 } 193 194 if ( function_exists( 'iconv' ) && ! empty( $charset ) ) { 195 $content = iconv( $charset, get_option( 'blog_charset' ), $content ); 196 } 197 198 // Captures any text in the body after $phone_delim as the body 199 $content = explode( $phone_delim, $content ); 200 $content = empty( $content[1] ) ? $content[0] : $content[1]; 201 202 $content = trim( $content ); 203 204 /** 205 * Filters the content of the post submitted by email before saving. 206 * 207 * @since 1.2.0 208 * 209 * @param string $content The email content. 210 */ 211 $post_content = apply_filters( 'phone_content', $content ); 212 213 $post_title = xmlrpc_getposttitle( $content ); 214 215 if ( $post_title == '' ) { 216 $post_title = $subject; 217 } 218 219 $post_category = array( get_option( 'default_email_category' ) ); 220 221 $post_data = compact( 'post_content', 'post_title', 'post_date', 'post_date_gmt', 'post_author', 'post_category', 'post_status' ); 222 $post_data = wp_slash( $post_data ); 223 224 $post_ID = wp_insert_post( $post_data ); 225 if ( is_wp_error( $post_ID ) ) { 226 echo "\n" . $post_ID->get_error_message(); 227 } 228 229 // We couldn't post, for whatever reason. Better move forward to the next email. 230 if ( empty( $post_ID ) ) { 231 continue; 232 } 233 234 /** 235 * Fires after a post submitted by email is published. 236 * 237 * @since 1.2.0 238 * 239 * @param int $post_ID The post ID. 240 */ 241 do_action( 'publish_phone', $post_ID ); 242 243 echo "\n<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>'; 244 echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>'; 245 246 if ( ! $pop3->delete( $i ) ) { 247 echo '<p>' . sprintf( 248 /* translators: %s: POP3 error. */ 249 __( 'Oops: %s' ), 250 esc_html( $pop3->ERROR ) 251 ) . '</p>'; 252 $pop3->reset(); 253 exit; 254 } else { 255 echo '<p>' . sprintf( 256 /* translators: %s: The message ID. */ 257 __( 'Mission complete. Message %s deleted.' ), 258 '<strong>' . $i . '</strong>' 259 ) . '</p>'; 260 } 261 } 262 263 $pop3->quit();
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Generated: Sat Nov 23 20:47:33 2019 | Cross-referenced by PHPXref 0.7 |