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         } else {
 242             $arg = escapeshellarg($data);
 243             $type = preg_replace('/;.*/', '', trim(shell_exec("echo $arg | file -bi -")));
 244         }
 245         return empty($type) ? 'application/octet-stream' : $type;
 246     }
 247
 248     private function findUUEncoded()
 249     {
 250         $this->decodeContent();
 251         $parts = array();
 252         if (preg_match_all("/\n(begin \d+ ([^\r\n]+)\r?(?:\n(?!end)[^\n]*)*\nend)/",
 253             $this->body, $matches, PREG_SET_ORDER)) {
 254             foreach ($matches as &$match) {
 255                 $data = convert_uudecode($match[1]);
 256                 $mime = BananaMimePart::getMimeType($data, false);
 257                 if ($mime != 'application/x-empty') {
 258                     $this->body = trim(str_replace($match[0], '', $this->body));
 259                     $newpart = new BananaMimePart;
 260                     $newpart->makeDataPart($data, $mime, '8bit', $match[2], 'attachment');
 261                     $parts[] = $newpart;
 262                 }
 263             }
 264         }
 265         return $parts;
 266     }
 267
 268     static private function _decodeHeader($charset, $c, $str)
 269     {
 270         $s = ($c == 'Q' || $c == 'q') ? quoted_printable_decode($str) : base64_decode($str);
 271         $s = @iconv($charset, 'UTF-8', $s);
 272         return str_replace('_', ' ', $s);
 273     }
 274
 275     static public function decodeHeader(&$val, $key)
 276     {
 277         if (preg_match('/[\x80-\xff]/', $val)) {
 278             if (!is_utf8($val)) {
 279                 $val = utf8_encode($val);
 280             }
 281         } elseif (strpos($val, '=') !== false) {
 282             $val = preg_replace('/(=\?.*?\?[bq]\?.*?\?=) (=\?.*?\?[bq]\?.*?\?=)/i', '\1\2', $val);
 283             $val = preg_replace('/=\?(.*?)\?([bq])\?(.*?)\?=/ie', 'BananaMimePart::_decodeHeader("\1", "\2", "\3")', $val);
 284         }
 285     }
 286
 287     static public function &parseHeaders(array &$lines)
 288     {
 289         $headers = array();
 290         while ($lines) {
 291             $line = array_shift($lines);
 292             if (isset($hdr) && $line && ctype_space($line{0})) {
 293                 $headers[$hdr] .= ' ' . trim($line);
 294             } elseif (!empty($line)) {
 295                 if (strpos($line, ':') !== false) {
 296                     list($hdr, $val) = explode(":", $line, 2);
 297                     $hdr = strtolower($hdr);
 298                     if (in_array($hdr, Banana::$msgparse_headers)) {
 299                         $headers[$hdr] = ltrim($val);
 300                     } else {
 301                         unset($hdr);
 302                     }
 303                 }
 304             } else {
 305                 break;
 306             }
 307         }
 308         array_walk($headers, array('BananaMimePart', 'decodeHeader'));
 309         return $headers;
 310     }
 311
 312     static public function encodeHeader($value, $trim = 0)
 313     {
 314         if ($trim) {
 315             if (strlen($value) > $trim) {
 316                 $value = substr($value, 0, $trim);
 317             }
 318         }
 319         $value = preg_replace('/([\x80-\xff]+)/e', '"=?UTF-8?B?" . base64_encode("\1") . "?="', $value);
 320         return $value;
 321     }
 322
 323     private function decodeContent()
 324     {
 325         $encodings = Array('quoted-printable' => 'quoted_printable_decode',
 326                            'base64'           => 'base64_decode',
 327                            'x-uuencode'       => 'convert_uudecode');
 328         foreach ($encodings as $encoding => $callback) {
 329             if ($this->encoding == $encoding) {
 330                 $this->body     = $callback($this->body);
 331                 $this->encoding = '8bit';
 332                 break;
 333             }
 334         }
 335         if (!$this->isType('text')) {
 336             return;
 337         }
 338
 339         if (!is_null($this->charset)) {
 340             $body = iconv($this->charset, 'UTF-8//IGNORE', $this->body);
 341             if (empty($body)) {
 342                 return;
 343             }
 344             $this->body = $body;
 345         } else {
 346             $this->body = utf8_encode($this->body);
 347         }
 348         $this->charset = 'utf-8';
 349     }
 350
 351     public function send($force_inline = false)
 352     {
 353         $this->decodeContent();
 354         if ($force_inline) {
 355             $dispostion =  $this->disposition;
 356             $this->disposition = 'inline';
 357         }
 358         $headers = $this->getHeaders();
 359         foreach ($headers as $key => $value) {
 360             header("$key: $value");
 361         }
 362         if ($force_inline) {
 363             $this->disposition = $disposition;
 364         }
 365         echo $this->body;
 366         exit;
 367     }
 368
 369     private function setBoundary()
 370     {
 371         if ($this->isType('multipart') && is_null($this->boundary)) {
 372             $this->boundary = '--banana-bound-' . time() . rand(0, 255) . '-';
 373         }
 374     }
 375
 376     public function getHeaders()
 377     {
 378         $headers = array();
 379         $this->setBoundary();
 380         $headers['Content-Type'] = $this->content_type . ";"
 381             . ($this->filename ? " name=\"{$this->filename}\";" : '')
 382             . ($this->charset ? " charset=\"{$this->charset}\";" : '')
 383             . ($this->boundary ? " boundary=\"{$this->boundary}\";" : "")
 384             . ($this->format ? " format={$this->format}" : "");
 385         if ($this->encoding) {
 386             $headers['Content-Transfer-Encoding'] = $this->encoding;
 387         }
 388         if ($this->disposition) {
 389             $headers['Content-Disposition'] = $this->disposition
 390                 . ($this->filename ? "; filename=\"{$this->filename}\"" : '');
 391         }
 392         return array_map(array($this, 'encodeHeader'), $headers);
 393     }
 394
 395     public function hasBody()
 396     {
 397         if (is_null($this->content) && !$this->isType('multipart')) {
 398             return false;
 399         }
 400         return true;
 401     }
 402
 403     public function get($with_headers = false)
 404     {
 405         $content = "";
 406         if ($with_headers) {
 407             foreach ($this->getHeaders() as $key => $value) {
 408                 $line = "$key: $value";
 409                 $line = explode("\n", wordwrap($line, Banana::$msgshow_wrap));
 410                 for ($i = 1 ; $i < count($line) ; $i++) {
 411                     $line[$i] = "\t" . $line[$i];
 412                 }
 413                 $content .= implode("\n", $line) . "\n";
 414             }
 415             $content .= "\n";
 416         }
 417         if ($this->isType('multipart')) {
 418             $this->setBoundary();
 419             foreach ($this->multipart as &$part) {
 420                 $content .= "\n--{$this->boundary}\n" . $part->get(true);
 421             }
 422             $content .= "\n--{$this->boundary}--";
 423         } elseif ($this->isType('text', 'plain')) {
 424             $content .= banana_flow($this->body);
 425         } else {
 426             $content .= banana_wordwrap($this->body);
 427         }
 428         return $content;
 429     }
 430
 431     public function getText()
 432     {
 433         $signed =& $this->getSignedPart();
 434         if ($signed !== $this) {
 435             return $signed->getText();
 436         }
 437         $this->decodeContent();
 438         return $this->body;
 439     }
 440
 441     public function toHtml()
 442     {
 443         $signed =& $this->getSignedPart();
 444         if ($signed !== $this) {
 445             return $signed->toHtml();
 446         }
 447         @list($type, $subtype) = $this->getType();
 448         if ($type == 'image') {
 449             $part = $this->id ? $this->id : $this->filename;
 450             return '<img class="multipart" src="'
 451                  . banana_htmlentities(Banana::$page->makeUrl(array('group' => Banana::$group,
 452                                                                     'artid' => Banana::$artid,
 453                                                                     'part'  => $part)))
 454                  . '" alt="' . banana_htmlentities($this->filename) . '" />';
 455         } else if ($type == 'multipart' && $subtype == 'alternative') {
 456             $types =& Banana::$msgshow_mimeparts;
 457             foreach ($types as $type) {
 458                 @list($type, $subtype) = explode('/', $type);
 459                 $part = $this->getParts($type, $subtype);
 460                 if (count($part) > 0) {
 461                     return $part[0]->toHtml();
 462                 }
 463             }
 464         } elseif ((!in_array($type, Banana::$msgshow_mimeparts)
 465                   && !in_array($this->content_type, Banana::$msgshow_mimeparts))
 466                   || $this->disposition == 'attachment') {
 467             $part = $this->id ? $this->id : $this->filename;
 468             if (!$part) {
 469                 $part = $this->content_type;
 470             }
 471             return '[' . Banana::$page->makeImgLink(array('group' => Banana::$group,
 472                                                  'artid' => Banana::$artid,
 473                                                  'part'  => $part,
 474                                                  'text'  => $this->filename ? $this->filename : $this->content_type,
 475                                                  'img'   => 'save')) . ']';
 476         } elseif ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 477             $text = '';
 478             foreach ($this->multipart as &$part) {
 479                 $text .= $part->toHtml();
 480             }
 481             return $text;
 482         } else {
 483             switch ($subtype) {
 484               case 'html': return banana_formatHtml($this);
 485               case 'enriched': case 'richtext': return banana_formatRichText($this);
 486               default:
 487                 if ($type == 'message') { // we have a raw source of data (no specific pre-formatting)
 488                     return '<hr />' . utf8_encode(banana_formatPlainText($this));
 489                 }
 490                 return banana_formatPlainText($this);
 491             }
 492         }
 493         return null;
 494     }
 495
 496     public function quote()
 497     {
 498         $signed =& $this->getSignedPart();
 499         if ($signed !== $this) {
 500             return $signed->quote();
 501         }
 502         list($type, $subtype) = $this->getType();
 503         if (in_array($type, Banana::$msgedit_mimeparts) || in_array($this->content_type, Banana::$msgedit_mimeparts)) {
 504             if ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 505                 $text = '';
 506                 foreach ($this->multipart as &$part) {
 507                     $qt = $part->quote();
 508                     $qt = rtrim($qt);
 509                     if (!empty($text)) {
 510                         $text .= "\n" . banana_quote("", 1) . "\n";
 511                     }
 512                     $text .= $qt;
 513                 }
 514                 return $text;
 515             }
 516             switch ($subtype) {
 517               case 'html': return banana_quoteHtml($this);
 518               case 'enriched': case 'richtext': return banana_quoteRichText($this);
 519               default: return banana_quotePlainText($this);
 520             }
 521         }
 522     }
 523
 524     protected function getType()
 525     {
 526         return explode('/', $this->content_type);
 527     }
 528
 529     protected function isType($type, $subtype = null)
 530     {
 531         list($mytype, $mysub) = $this->getType();
 532         return ($mytype == $type) && (is_null($subtype) || $mysub == $subtype);
 533     }
 534
 535     public function isFlowed()
 536     {
 537         return $this->format == 'flowed';
 538     }
 539
 540     public function getFilename()
 541     {
 542         return $this->filename;
 543     }
 544
 545     protected function getParts($type, $subtype = null)
 546     {
 547         $parts = array();
 548         if ($this->isType($type, $subtype)) {
 549             return array($this);
 550         } elseif ($this->isType('multipart')) {
 551             foreach ($this->multipart as &$part) {
 552                 $parts = array_merge($parts, $part->getParts($type, $subtype));
 553             }
 554         }
 555         return $parts;
 556     }
 557
 558     public function getFile($filename)
 559     {
 560         if ($this->filename == $filename) {
 561             return $this;
 562         } elseif ($this->isType('multipart')) {
 563             foreach ($this->multipart as &$part) {
 564                 $file = $part->getFile($filename);
 565                 if (!is_null($file)) {
 566                     return $file;
 567                 }
 568             }
 569         }
 570         return null;
 571     }
 572
 573     public function getAttachments()
 574     {
 575         if (!is_null($this->filename)) {
 576             return array($this);
 577         } elseif ($this->isType('multipart')) {
 578             $parts = array();
 579             foreach ($this->multipart as &$part) {
 580                 $parts = array_merge($parts, $part->getAttachments());
 581             }
 582             return $parts;
 583         }
 584         return array();
 585     }
 586
 587     public function getAlternatives()
 588     {
 589         $types =& Banana::$msgshow_mimeparts;
 590         $names =& Banana::$mimeparts;
 591         $source = null;
 592         if (in_array('source', $types)) {
 593             $source = @$names['source'] ? $names['source'] : 'source';
 594         }
 595         if ($this->isType('multipart', 'signed')) {
 596             $parts = array($this->getSignedPart());
 597         } else if (!$this->isType('multipart', 'alternative') && !$this->isType('multipart', 'related')) {
 598             if ($source) {
 599                 $parts = array($this);
 600             } else {
 601                 return array();
 602             }
 603         } else {
 604             $parts =& $this->multipart;
 605         }
 606         $alt = array();
 607         foreach ($parts as &$part) {
 608             list($type, $subtype) = $part->getType();
 609             $ct = $type . '/' . $subtype;
 610             if (in_array($ct, $types) || in_array($type, $types)) {
 611                 if (isset($names[$ct])) {
 612                     $alt[$ct] = $names[$ct];
 613                 } elseif (isset($names[$type])) {
 614                     $alt[$ct] = $names[$type];
 615                 } else {
 616                     $alt[$ct] = $ct;
 617                 }
 618             }
 619         }
 620         if ($source) {
 621             $alt['source'] = $source;
 622         }
 623         return $alt;
 624     }
 625
 626     public function getPartById($id)
 627     {
 628         if ($this->id == $id) {
 629             return $this;
 630         } elseif ($this->isType('multipart')) {
 631             foreach ($this->multipart as &$part) {
 632                 $res = $part->getPartById($id);
 633                 if (!is_null($res)) {
 634                     return $res;
 635                 }
 636             }
 637         }
 638         return null;
 639     }
 640
 641     protected function &getSignedPart()
 642     {
 643         if ($this->isType('multipart', 'signed')) {
 644             foreach ($this->multipart as &$part) {
 645                 if ($part->content_type != $this->signature['protocole']) {
 646                     return $part;
 647                 }
 648             }
 649         }
 650         return $this;
 651     }
 652
 653     private function checkPGPSignature($signature, $message = null)
 654     {
 655         if (!Banana::$msgshow_pgpcheck) {
 656             return true;
 657         }
 658         $signname = tempnam(Banana::$spool_root, 'banana_pgp_');
 659         $gpg = 'LC_ALL="en_US" ' . Banana::$msgshow_pgppath . ' ' . Banana::$msgshow_pgpoptions . ' --verify '
 660                 .  $signname . '.asc ';
 661         file_put_contents($signname. '.asc', $signature);
 662         $gpg_check = array();
 663         if (!is_null($message)) {
 664             file_put_contents($signname, str_replace(array("\r\n", "\n"), array("\n", "\r\n"), $message));
 665             exec($gpg . $signname . ' 2>&1', $gpg_check, $result);
 666             unlink($signname);
 667         } else {
 668             exec($gpg . '2&>1', $gpg_check, $result);
 669         }
 670         unlink("$signname.asc");
 671         if (preg_match('/Signature made (.+) using (.+) key ID (.+)/', array_shift($gpg_check), $matches)) {
 672             $this->signature['date'] = strtotime($matches[1]);
 673             $this->signature['key'] = array('format' => $matches[2],
 674                                             'id'     => $matches[3]);
 675         } else {
 676             return false;
 677         }
 678         $signature = array_shift($gpg_check);
 679         if (preg_match('/Good signature from "(.+)"/', $signature, $matches)) {
 680             $this->signature['verify'] = true;
 681             $this->signature['identity'] = array($matches[1]);
 682             $this->signature['certified'] = true;
 683         } elseif (preg_match('/BAD signature from "(.+)"/', $signature, $matches)) {
 684             $this->signature['verify'] = false;
 685             $this->signature['identity'] = array($matches[1]);
 686             $this->signature['certified'] = false;
 687         } else {
 688             return false;
 689         }
 690         foreach ($gpg_check as $aka) {
 691             if (preg_match('/aka "(.+)"/', $aka, $matches)) {
 692                 $this->signature['identity'][] = $matches[1];
 693             }
 694             if (preg_match('/This key is not certified with a trusted signature!/', $aka)) {
 695                 $this->signature['certified'] = false;
 696                 $this->signature['certification_error'] = _b_("identité non confirmée");
 697             }
 698         }
 699         return true;
 700     }
 701
 702     public function getSignature()
 703     {
 704         return $this->signature;
 705     }
 706 }
 707
 708 // vim:set et sw=4 sts=4 ts=4 enc=utf-8:
 709 ?>