banana/mimepart.inc.php

   1 <?php
   2 /********************************************************************************
   3 * banana/mimepart.inc.php : class for MIME parts
   4 * ------------------------
   5 *
   6 * This file is part of the banana distribution
   7 * Copyright: See COPYING files that comes with this distribution
   8 ********************************************************************************/
   9
  10 class BananaMimePart
  11 {
  12     public $headers      = null; /* Should be protected */
  13
  14     private $id           = null;
  15     private $content_type = null;
  16     private $charset      = null;
  17     private $encoding     = null;
  18     private $disposition  = null;
  19     private $boundary     = null;
  20     private $filename     = null;
  21     private $format       = null;
  22     private $signature    = array();
  23
  24     private $body         = null;
  25     private $multipart    = null;
  26
  27     protected function __construct($data = null)
  28     {
  29         if ($data instanceof BananaMimePart) {
  30             foreach ($this as $key=>$value) {
  31                 $this->$key = $data->$key;
  32             }
  33         } elseif (!is_null($data)) {
  34             $this->fromRaw($data);
  35         }
  36     }
  37
  38     protected function makeTextPart($body, $content_type, $encoding, $charset = null, $format = 'fixed')
  39     {
  40         $this->body         = $body;
  41         $this->charset      = $charset;
  42         $this->encoding     = $encoding;
  43         $this->content_type = $content_type;
  44         $this->format       = strtolower($format);
  45         $this->parse();
  46     }
  47
  48     protected function makeDataPart($body, $content_type, $encoding, $filename, $disposition, $id = null)
  49     {
  50         $this->body         = $body;
  51         $this->content_type = $content_type;
  52         $this->encoding     = $encoding;
  53         $this->filename     = $filename;
  54         $this->disposition  = $disposition;
  55         $this->id           = $id;
  56         if (is_null($content_type) || $content_type == 'application/octet-stream') {
  57             $this->decodeContent();
  58             $this->content_type = BananaMimePart::getMimeType($this->body, false);
  59         }
  60     }
  61
  62     protected function makeFilePart(array $file, $content_type = null, $disposition = 'attachment')
  63     {
  64         $body = file_get_contents($file['tmp_name']);
  65         if ($body === false || strlen($body) != $file['size']) {
  66             return false;
  67         }
  68         if (is_null($content_type) || $content_type == 'application/octet-stream') {
  69             $content_type = BananaMimePart::getMimeType($file['tmp_name']);
  70         }
  71         if (substr($content_type, 0, 5) == 'text/') {
  72             $encoding = '8bit';
  73         } else {
  74             $encoding = 'base64';
  75             $body     = chunk_split(base64_encode($body));
  76         }
  77         $this->filename     = $file['name'];
  78         $this->content_type = $content_type;
  79         $this->disposition  = $disposition;
  80         $this->body         = $body;
  81         $this->encoding     = $encoding;
  82         return true;
  83     }
  84
  85     protected function makeMultiPart($body, $content_type, $encoding, $boundary, $sign_protocole)
  86     {
  87         $this->body         = $body;
  88         $this->content_type = $content_type;
  89         $this->encoding     = $encoding;
  90         $this->boundary     = $boundary;
  91         $this->signature['protocole'] = $sign_protocole;
  92         $this->parse();
  93     }
  94
  95     protected function convertToMultiPart()
  96     {
  97         if (!$this->isType('multipart', 'mixed')) {
  98             $newpart = new BananaMimePart($this);
  99             $this->content_type = 'multipart/mixed';
 100             $this->encoding     = '8bit';
 101             $this->multipart    = array($newpart);
 102             $this->headers      = null;
 103             $this->charset      = null;
 104             $this->disposition  = null;
 105             $this->filename     = null;
 106             $this->boundary     = null;
 107             $this->body         = null;
 108             $this->format       = null;
 109             $this->id           = null;
 110         }
 111     }
 112
 113     public function addAttachment(array $file, $content_type = null, $disposition = 'attachment')
 114     {
 115         if (!is_uploaded_file($file['tmp_name'])) {
 116             return false;
 117         }
 118         $newpart = new BananaMimePart;
 119         if ($newpart->makeFilePart($file, $content_type, $disposition)) {
 120             $this->convertToMultiPart();
 121             $this->multipart[] = $newpart;
 122             return true;
 123         }
 124         return false;
 125     }
 126
 127     protected function getHeader($title, $filter = null)
 128     {
 129         if (!isset($this->headers[$title])) {
 130             return null;
 131         }
 132         $header =& $this->headers[$title];
 133         if (is_null($filter)) {
 134             return trim($header);
 135         } elseif (preg_match($filter, $header, $matches)) {
 136             return trim($matches[1]);
 137         }
 138         return null;
 139     }
 140
 141     protected function fromRaw($data)
 142     {
 143         if (is_array($data)) {
 144             if (array_key_exists('From', $data)) {
 145                 $this->headers = array_map(array($this, 'decodeHeader'), array_change_key_case($data));
 146                 return;
 147             } else {
 148                 $lines = $data;
 149             }
 150         } else {
 151             $lines   = explode("\n", $data);
 152         }
 153         $headers = BananaMimePart::parseHeaders($lines);
 154         $this->headers =& $headers;
 155         if (empty($headers) || empty($lines)) {
 156             return;
 157         }
 158         $content       = join("\n", $lines);
 159         $test          = trim($content);
 160         if (empty($test)) {
 161             return;
 162         }
 163
 164         $content_type = strtolower($this->getHeader('content-type', '/^\s*([^ ;]+?)(;|$)/'));
 165         if (empty($content_type)) {
 166             $encoding     = '8bit';
 167             $charset      = 'CP1252';
 168             $content_type = 'text/plain';
 169             $format       = strtolower($this->getHeader('x-rfc2646', '/format="?([^ w@"]+?)"?\s*(;|$)/i'));
 170         } else {
 171             $encoding     = strtolower($this->getHeader('content-transfer-encoding'));
 172             $disposition  = $this->getHeader('content-disposition', '/(inline|attachment)/i');
 173             $boundary     = $this->getHeader('content-type', '/boundary="?([^ "]+?)"?\s*(;|$)/i');
 174             $charset      = strtolower($this->getHeader('content-type', '/charset="?([^ "]+?)"?\s*(;|$)/i'));
 175             $filename     = $this->getHeader('content-disposition', '/filename="?([^ "]+?)"?\s*(;|$)/i');
 176             $format       = strtolower($this->getHeader('content-type', '/format="?([^ "]+?)"?\s*(;|$)/i'));
 177             $id           = $this->getHeader('content-id', '/<(.*?)>/');
 178             $sign_protocole = strtolower($this->getHeader('content-type', '/protocol="?([^ "]+?)"?\s*(;|$)/i'));
 179             if (empty($filename)) {
 180                 $filename = $this->getHeader('content-type', '/name="?([^"]+)"?/');
 181             }
 182         }
 183         list($type, $subtype) = explode('/', $content_type);
 184         switch ($type) {
 185           case 'text': case 'message':
 186             $this->makeTextPart($content, $content_type, $encoding, $charset, $format);
 187             break;
 188           case 'multipart':
 189             $this->makeMultiPart($content, $content_type, $encoding, $boundary, $sign_protocole);
 190             break;
 191           default:
 192             $this->makeDataPart($content, $content_type, $encoding, $filename, $disposition, $id);
 193         }
 194     }
 195
 196     private function parse()
 197     {
 198         if ($this->isType('multipart')) {
 199             $this->splitMultipart();
 200         } else {
 201             $parts = $this->findUUEncoded();
 202             if (count($parts)) {
 203                 $this->convertToMultiPart();
 204                 $this->multipart    = array_merge(array($textpart), $parts);
 205             }
 206         }
 207     }
 208
 209     private function splitMultipart()
 210     {
 211         $this->decodeContent();
 212         if (is_null($this->multipart)) {
 213             $this->multipart = array();
 214         }
 215         $boundary =& $this->boundary;
 216         $parts = preg_split("/(^|\n)--" . preg_quote($boundary, '/') . "(--|\n)/", $this->body, -1, PREG_SPLIT_NO_EMPTY);
 217         $signed = $this->isType('multipart', 'signed');
 218         $signature = null;
 219         $signed_message = null;
 220         foreach ($parts as &$part) {
 221             $newpart = new BananaMimePart($part);
 222             if (!is_null($newpart->content_type)) {
 223                 if ($signed && $newpart->content_type == $this->signature['protocole']) {
 224                     $signature = $newpart->body;
 225                 } elseif ($signed) {
 226                     $signed_message = $part;
 227                 }
 228                 $this->multipart[] = $newpart;
 229             }
 230         }
 231         if ($signed) {
 232             $this->checkPGPSignature($signature, $signed_message);
 233         }
 234         $this->body = null;
 235     }
 236
 237     public static function getMimeType($data, $is_filename = true)
 238     {
 239         if ($is_filename) {
 240             $type = mime_content_type($data);
 241             if ($type == 'text/plain') { // XXX Workaround a bug of php 5.2.0+etch10 (fallback for mime_content_type is text/plain)
 242                 $type = preg_replace('/;.*/', '', trim(shell_exec('file -bi ' . escapeshellarg($data))));
 243             }
 244         } else {
 245             $arg = escapeshellarg($data);
 246             $type = preg_replace('/;.*/', '', trim(shell_exec("echo $arg | file -bi -")));
 247         }
 248         return empty($type) ? 'application/octet-stream' : $type;
 249     }
 250
 251     private function findUUEncoded()
 252     {
 253         $this->decodeContent();
 254         $parts = array();
 255         if (preg_match_all("/\n(begin \d+ ([^\r\n]+)\r?(?:\n(?!end)[^\n]*)*\nend)/",
 256             $this->body, $matches, PREG_SET_ORDER)) {
 257             foreach ($matches as &$match) {
 258                 $data = convert_uudecode($match[1]);
 259                 $mime = BananaMimePart::getMimeType($data, false);
 260                 if ($mime != 'application/x-empty') {
 261                     $this->body = trim(str_replace($match[0], '', $this->body));
 262                     $newpart = new BananaMimePart;
 263                     $newpart->makeDataPart($data, $mime, '8bit', $match[2], 'attachment');
 264                     $parts[] = $newpart;
 265                 }
 266             }
 267         }
 268         return $parts;
 269     }
 270
 271     static private function _decodeHeader($charset, $c, $str)
 272     {
 273         $s = ($c == 'Q' || $c == 'q') ? quoted_printable_decode($str) : base64_decode($str);
 274         $s = @iconv($charset, 'UTF-8', $s);
 275         return str_replace('_', ' ', $s);
 276     }
 277
 278     static public function decodeHeader(&$val, $key)
 279     {
 280         if (preg_match('/[\x80-\xff]/', $val)) {
 281             if (!is_utf8($val)) {
 282                 $val = utf8_encode($val);
 283             }
 284         } elseif (strpos($val, '=') !== false) {
 285             $val = preg_replace('/(=\?.*?\?[bq]\?.*?\?=) (=\?.*?\?[bq]\?.*?\?=)/i', '\1\2', $val);
 286             $val = preg_replace('/=\?(.*?)\?([bq])\?(.*?)\?=/ie', 'BananaMimePart::_decodeHeader("\1", "\2", "\3")', $val);
 287         }
 288     }
 289
 290     static public function &parseHeaders(array &$lines)
 291     {
 292         $headers = array();
 293         while ($lines) {
 294             $line = array_shift($lines);
 295             if (isset($hdr) && $line && ctype_space($line{0})) {
 296                 $headers[$hdr] .= ' ' . trim($line);
 297             } elseif (!empty($line)) {
 298                 if (strpos($line, ':') !== false) {
 299                     list($hdr, $val) = explode(":", $line, 2);
 300                     $hdr = strtolower($hdr);
 301                     if (in_array($hdr, Banana::$msgparse_headers)) {
 302                         $headers[$hdr] = ltrim($val);
 303                     } else {
 304                         unset($hdr);
 305                     }
 306                 }
 307             } else {
 308                 break;
 309             }
 310         }
 311         array_walk($headers, array('BananaMimePart', 'decodeHeader'));
 312         return $headers;
 313     }
 314
 315     static public function encodeHeader($value, $trim = 0)
 316     {
 317         if ($trim) {
 318             if (strlen($value) > $trim) {
 319                 $value = substr($value, 0, $trim);
 320             }
 321         }
 322         $value = preg_replace('/([\x80-\xff]+)/e', '"=?UTF-8?B?" . base64_encode("\1") . "?="', $value);
 323         return $value;
 324     }
 325
 326     private function decodeContent()
 327     {
 328         $encodings = Array('quoted-printable' => 'quoted_printable_decode',
 329                            'base64'           => 'base64_decode',
 330                            'x-uuencode'       => 'convert_uudecode');
 331         foreach ($encodings as $encoding => $callback) {
 332             if ($this->encoding == $encoding) {
 333                 $this->body     = $callback($this->body);
 334                 $this->encoding = '8bit';
 335                 break;
 336             }
 337         }
 338         if (!$this->isType('text')) {
 339             return;
 340         }
 341
 342         if (!is_null($this->charset)) {
 343             $body = @iconv($this->charset, 'UTF-8//IGNORE', $this->body);
 344             if (empty($body)) {
 345                 return;
 346             }
 347             $this->body = $body;
 348         } else {
 349             $this->body = utf8_encode($this->body);
 350         }
 351         $this->charset = 'utf-8';
 352     }
 353
 354     public function send($force_inline = false)
 355     {
 356         $this->decodeContent();
 357         if ($force_inline) {
 358             $dispostion =  $this->disposition;
 359             $this->disposition = 'inline';
 360         }
 361         $headers = $this->getHeaders();
 362         foreach ($headers as $key => $value) {
 363             header("$key: $value");
 364         }
 365         if ($force_inline) {
 366             $this->disposition = $disposition;
 367         }
 368         echo $this->body;
 369         exit;
 370     }
 371
 372     private function setBoundary()
 373     {
 374         if ($this->isType('multipart') && is_null($this->boundary)) {
 375             $this->boundary = '--banana-bound-' . time() . rand(0, 255) . '-';
 376         }
 377     }
 378
 379     public function getHeaders()
 380     {
 381         $headers = array();
 382         $this->setBoundary();
 383         $headers['Content-Type'] = $this->content_type . ";"
 384             . ($this->filename ? " name=\"{$this->filename}\";" : '')
 385             . ($this->charset ? " charset=\"{$this->charset}\";" : '')
 386             . ($this->boundary ? " boundary=\"{$this->boundary}\";" : "")
 387             . ($this->format ? " format={$this->format}" : "");
 388         if ($this->encoding) {
 389             $headers['Content-Transfer-Encoding'] = $this->encoding;
 390         }
 391         if ($this->disposition) {
 392             $headers['Content-Disposition'] = $this->disposition
 393                 . ($this->filename ? "; filename=\"{$this->filename}\"" : '');
 394         }
 395         return array_map(array($this, 'encodeHeader'), $headers);
 396     }
 397
 398     public function hasBody()
 399     {
 400         if (is_null($this->content) && !$this->isType('multipart')) {
 401             return false;
 402         }
 403         return true;
 404     }
 405
 406     public function get($with_headers = false)
 407     {
 408         $content = "";
 409         if ($with_headers) {
 410             foreach ($this->getHeaders() as $key => $value) {
 411                 $line = "$key: $value";
 412                 $line = explode("\n", wordwrap($line, Banana::$msgshow_wrap));
 413                 for ($i = 1 ; $i < count($line) ; $i++) {
 414                     $line[$i] = "\t" . $line[$i];
 415                 }
 416                 $content .= implode("\n", $line) . "\n";
 417             }
 418             $content .= "\n";
 419         }
 420         if ($this->isType('multipart')) {
 421             $this->setBoundary();
 422             foreach ($this->multipart as &$part) {
 423                 $content .= "\n--{$this->boundary}\n" . $part->get(true);
 424             }
 425             $content .= "\n--{$this->boundary}--";
 426         } elseif ($this->isType('text', 'plain')) {
 427             $content .= banana_flow($this->body);
 428         } else {
 429             $content .= banana_wordwrap($this->body);
 430         }
 431         return $content;
 432     }
 433
 434     public function getText()
 435     {
 436         $signed =& $this->getSignedPart();
 437         if ($signed !== $this) {
 438             return $signed->getText();
 439         }
 440         $this->decodeContent();
 441         return $this->body;
 442     }
 443
 444     public function toHtml()
 445     {
 446         $signed =& $this->getSignedPart();
 447         if ($signed !== $this) {
 448             return $signed->toHtml();
 449         }
 450         @list($type, $subtype) = $this->getType();
 451         if ($type == 'image') {
 452             $part = $this->id ? $this->id : $this->filename;
 453             return '<img class="multipart" src="'
 454                  . banana_htmlentities(Banana::$page->makeUrl(array('group' => Banana::$group,
 455                                                                     'artid' => Banana::$artid,
 456                                                                     'part'  => $part)))
 457                  . '" alt="' . banana_htmlentities($this->filename) . '" />';
 458         } else if ($type == 'multipart' && $subtype == 'alternative') {
 459             $types =& Banana::$msgshow_mimeparts;
 460             foreach ($types as $type) {
 461                 @list($type, $subtype) = explode('/', $type);
 462                 $part = $this->getParts($type, $subtype);
 463                 if (count($part) > 0) {
 464                     return $part[0]->toHtml();
 465                 }
 466             }
 467         } elseif ((!in_array($type, Banana::$msgshow_mimeparts)
 468                   && !in_array($this->content_type, Banana::$msgshow_mimeparts))
 469                   || $this->disposition == 'attachment') {
 470             $part = $this->id ? $this->id : $this->filename;
 471             if (!$part) {
 472                 $part = $this->content_type;
 473             }
 474             return '[' . Banana::$page->makeImgLink(array('group' => Banana::$group,
 475                                                  'artid' => Banana::$artid,
 476                                                  'part'  => $part,
 477                                                  'text'  => $this->filename ? $this->filename : $this->content_type,
 478                                                  'img'   => 'save')) . ']';
 479         } elseif ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 480             $text = '';
 481             foreach ($this->multipart as &$part) {
 482                 $text .= $part->toHtml();
 483             }
 484             return $text;
 485         } else {
 486             switch ($subtype) {
 487               case 'html': return banana_formatHtml($this);
 488               case 'enriched': case 'richtext': return banana_formatRichText($this);
 489               default:
 490                 if ($type == 'message') { // we have a raw source of data (no specific pre-formatting)
 491                     return '<hr />' . utf8_encode(banana_formatPlainText($this));
 492                 }
 493                 return banana_formatPlainText($this);
 494             }
 495         }
 496         return null;
 497     }
 498
 499     public function quote()
 500     {
 501         $signed =& $this->getSignedPart();
 502         if ($signed !== $this) {
 503             return $signed->quote();
 504         }
 505         list($type, $subtype) = $this->getType();
 506         if (in_array($type, Banana::$msgedit_mimeparts) || in_array($this->content_type, Banana::$msgedit_mimeparts)) {
 507             if ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 508                 $text = '';
 509                 foreach ($this->multipart as &$part) {
 510                     $qt = $part->quote();
 511                     $qt = rtrim($qt);
 512                     if (!empty($text)) {
 513                         $text .= "\n" . banana_quote("", 1) . "\n";
 514                     }
 515                     $text .= $qt;
 516                 }
 517                 return $text;
 518             }
 519             switch ($subtype) {
 520               case 'html': return banana_quoteHtml($this);
 521               case 'enriched': case 'richtext': return banana_quoteRichText($this);
 522               default: return banana_quotePlainText($this);
 523             }
 524         }
 525     }
 526
 527     protected function getType()
 528     {
 529         return explode('/', $this->content_type);
 530     }
 531
 532     protected function isType($type, $subtype = null)
 533     {
 534         list($mytype, $mysub) = $this->getType();
 535         return ($mytype == $type) && (is_null($subtype) || $mysub == $subtype);
 536     }
 537
 538     public function isFlowed()
 539     {
 540         return $this->format == 'flowed';
 541     }
 542
 543     public function getFilename()
 544     {
 545         return $this->filename;
 546     }
 547
 548     protected function getParts($type, $subtype = null)
 549     {
 550         $parts = array();
 551         if ($this->isType($type, $subtype)) {
 552             return array($this);
 553         } elseif ($this->isType('multipart')) {
 554             foreach ($this->multipart as &$part) {
 555                 $parts = array_merge($parts, $part->getParts($type, $subtype));
 556             }
 557         }
 558         return $parts;
 559     }
 560
 561     public function getFile($filename)
 562     {
 563         if ($this->filename == $filename) {
 564             return $this;
 565         } elseif ($this->isType('multipart')) {
 566             foreach ($this->multipart as &$part) {
 567                 $file = $part->getFile($filename);
 568                 if (!is_null($file)) {
 569                     return $file;
 570                 }
 571             }
 572         }
 573         return null;
 574     }
 575
 576     public function getAttachments()
 577     {
 578         if (!is_null($this->filename)) {
 579             return array($this);
 580         } elseif ($this->isType('multipart')) {
 581             $parts = array();
 582             foreach ($this->multipart as &$part) {
 583                 $parts = array_merge($parts, $part->getAttachments());
 584             }
 585             return $parts;
 586         }
 587         return array();
 588     }
 589
 590     public function getAlternatives()
 591     {
 592         $types =& Banana::$msgshow_mimeparts;
 593         $names =& Banana::$mimeparts;
 594         $source = null;
 595         if (in_array('source', $types)) {
 596             $source = @$names['source'] ? $names['source'] : 'source';
 597         }
 598         if ($this->isType('multipart', 'signed')) {
 599             $parts = array($this->getSignedPart());
 600         } else if (!$this->isType('multipart', 'alternative') && !$this->isType('multipart', 'related')) {
 601             if ($source) {
 602                 $parts = array($this);
 603             } else {
 604                 return array();
 605             }
 606         } else {
 607             $parts =& $this->multipart;
 608         }
 609         $alt = array();
 610         foreach ($parts as &$part) {
 611             list($type, $subtype) = $part->getType();
 612             $ct = $type . '/' . $subtype;
 613             if (in_array($ct, $types) || in_array($type, $types)) {
 614                 if (isset($names[$ct])) {
 615                     $alt[$ct] = $names[$ct];
 616                 } elseif (isset($names[$type])) {
 617                     $alt[$ct] = $names[$type];
 618                 } else {
 619                     $alt[$ct] = $ct;
 620                 }
 621             }
 622         }
 623         if ($source) {
 624             $alt['source'] = $source;
 625         }
 626         return $alt;
 627     }
 628
 629     public function getPartById($id)
 630     {
 631         if ($this->id == $id) {
 632             return $this;
 633         } elseif ($this->isType('multipart')) {
 634             foreach ($this->multipart as &$part) {
 635                 $res = $part->getPartById($id);
 636                 if (!is_null($res)) {
 637                     return $res;
 638                 }
 639             }
 640         }
 641         return null;
 642     }
 643
 644     protected function &getSignedPart()
 645     {
 646         if ($this->isType('multipart', 'signed')) {
 647             foreach ($this->multipart as &$part) {
 648                 if ($part->content_type != $this->signature['protocole']) {
 649                     return $part;
 650                 }
 651             }
 652         }
 653         return $this;
 654     }
 655
 656     private function checkPGPSignature($signature, $message = null)
 657     {
 658         if (!Banana::$msgshow_pgpcheck) {
 659             return true;
 660         }
 661         $signname = tempnam(Banana::$spool_root, 'banana_pgp_');
 662         $gpg = 'LC_ALL="en_US" ' . Banana::$msgshow_pgppath . ' ' . Banana::$msgshow_pgpoptions . ' --verify '
 663                 .  $signname . '.asc ';
 664         file_put_contents($signname. '.asc', $signature);
 665         $gpg_check = array();
 666         if (!is_null($message)) {
 667             file_put_contents($signname, str_replace(array("\r\n", "\n"), array("\n", "\r\n"), $message));
 668             exec($gpg . $signname . ' 2>&1', $gpg_check, $result);
 669             unlink($signname);
 670         } else {
 671             exec($gpg . '2&>1', $gpg_check, $result);
 672         }
 673         unlink("$signname.asc");
 674         if (preg_match('/Signature made (.+) using (.+) key ID (.+)/', array_shift($gpg_check), $matches)) {
 675             $this->signature['date'] = strtotime($matches[1]);
 676             $this->signature['key'] = array('format' => $matches[2],
 677                                             'id'     => $matches[3]);
 678         } else {
 679             return false;
 680         }
 681         $signature = array_shift($gpg_check);
 682         if (preg_match('/Good signature from "(.+)"/', $signature, $matches)) {
 683             $this->signature['verify'] = true;
 684             $this->signature['identity'] = array($matches[1]);
 685             $this->signature['certified'] = true;
 686         } elseif (preg_match('/BAD signature from "(.+)"/', $signature, $matches)) {
 687             $this->signature['verify'] = false;
 688             $this->signature['identity'] = array($matches[1]);
 689             $this->signature['certified'] = false;
 690         } else {
 691             return false;
 692         }
 693         foreach ($gpg_check as $aka) {
 694             if (preg_match('/aka "(.+)"/', $aka, $matches)) {
 695                 $this->signature['identity'][] = $matches[1];
 696             }
 697             if (preg_match('/This key is not certified with a trusted signature!/', $aka)) {
 698                 $this->signature['certified'] = false;
 699                 $this->signature['certification_error'] = _b_("identité non confirmée");
 700             }
 701         }
 702         return true;
 703     }
 704
 705     public function getSignature()
 706     {
 707         return $this->signature;
 708     }
 709 }
 710
 711 // vim:set et sw=4 sts=4 ts=4 enc=utf-8:
 712 ?>