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                 $this->multipart = array_merge($this->multipart, $parts);
 205                 // Restore "message" headers to the previous level"
 206                 $this->headers = array();
 207                 foreach (Banana::$msgshow_headers as $hdr) {
 208                     if (isset($this->multipart[0]->headers[$hdr])) {
 209                         $this->headers[$hdr] = $this->multipart[0]->headers[$hdr];
 210                     }
 211                 }
 212             }
 213         }
 214     }
 215
 216     private function splitMultipart()
 217     {
 218         $this->decodeContent();
 219         if (is_null($this->multipart)) {
 220             $this->multipart = array();
 221         }
 222         $boundary =& $this->boundary;
 223         $parts = preg_split("/(^|\n)--" . preg_quote($boundary, '/') . "(--|\n)/", $this->body, -1, PREG_SPLIT_NO_EMPTY);
 224         $signed = $this->isType('multipart', 'signed');
 225         $signature = null;
 226         $signed_message = null;
 227         foreach ($parts as &$part) {
 228             $newpart = new BananaMimePart($part);
 229             if (!is_null($newpart->content_type)) {
 230                 if ($signed && $newpart->content_type == $this->signature['protocole']) {
 231                     $signature = $newpart->body;
 232                 } elseif ($signed) {
 233                     $signed_message = $part;
 234                 }
 235                 $this->multipart[] = $newpart;
 236             }
 237         }
 238         if ($signed) {
 239             $this->checkPGPSignature($signature, $signed_message);
 240         }
 241         $this->body = null;
 242     }
 243
 244     public static function getMimeType($data, $is_filename = true)
 245     {
 246         if ($is_filename) {
 247             $type = mime_content_type($data);
 248             if ($type == 'text/plain') { // XXX Workaround a bug of php 5.2.0+etch10 (fallback for mime_content_type is text/plain)
 249                 $type = preg_replace('/;.*/', '', trim(shell_exec('file -bi ' . escapeshellarg($data))));
 250             }
 251         } else {
 252             $arg = escapeshellarg($data);
 253             $type = preg_replace('/;.*/', '', trim(shell_exec("echo $arg | file -bi -")));
 254         }
 255         return empty($type) ? 'application/octet-stream' : $type;
 256     }
 257
 258     private function findUUEncoded()
 259     {
 260         $this->decodeContent();
 261         $parts = array();
 262         if (preg_match_all("/\n(begin \d+ ([^\r\n]+)\r?(?:\n(?!end)[^\n]*)*\nend)/",
 263             $this->body, $matches, PREG_SET_ORDER)) {
 264             foreach ($matches as &$match) {
 265                 $data = convert_uudecode($match[1]);
 266                 $mime = BananaMimePart::getMimeType($data, false);
 267                 if ($mime != 'application/x-empty') {
 268                     $this->body = trim(str_replace($match[0], '', $this->body));
 269                     $newpart = new BananaMimePart;
 270                     self::decodeHeader($match[2]);
 271                     $newpart->makeDataPart($data, $mime, '8bit', $match[2], 'attachment');
 272                     $parts[] = $newpart;
 273                 }
 274             }
 275         }
 276         return $parts;
 277     }
 278
 279     static private function _decodeHeader($charset, $c, $str)
 280     {
 281         $s = ($c == 'Q' || $c == 'q') ? quoted_printable_decode($str) : base64_decode($str);
 282         $s = @iconv($charset, 'UTF-8', $s);
 283         return str_replace('_', ' ', $s);
 284     }
 285
 286     static public function decodeHeader(&$val, $key = null)
 287     {
 288         if (preg_match('/[\x80-\xff]/', $val)) {
 289             if (!is_utf8($val)) {
 290                 $val = utf8_encode($val);
 291             }
 292         } elseif (strpos($val, '=') !== false) {
 293             $val = preg_replace('/(=\?.*?\?[bq]\?.*?\?=) (=\?.*?\?[bq]\?.*?\?=)/i', '\1\2', $val);
 294             $val = preg_replace('/=\?(.*?)\?([bq])\?(.*?)\?=/ie', 'BananaMimePart::_decodeHeader("\1", "\2", "\3")', $val);
 295         }
 296     }
 297
 298     static public function &parseHeaders(array &$lines)
 299     {
 300         $headers = array();
 301         while ($lines) {
 302             $line = array_shift($lines);
 303             if (isset($hdr) && $line && ctype_space($line{0})) {
 304                 $headers[$hdr] .= ' ' . trim($line);
 305             } elseif (!empty($line)) {
 306                 if (strpos($line, ':') !== false) {
 307                     list($hdr, $val) = explode(":", $line, 2);
 308                     $hdr = strtolower($hdr);
 309                     if (in_array($hdr, Banana::$msgparse_headers)) {
 310                         $headers[$hdr] = ltrim($val);
 311                     } else {
 312                         unset($hdr);
 313                     }
 314                 }
 315             } else {
 316                 break;
 317             }
 318         }
 319         array_walk($headers, array('BananaMimePart', 'decodeHeader'));
 320         return $headers;
 321     }
 322
 323     static public function encodeHeader($value, $trim = 0)
 324     {
 325         if ($trim) {
 326             if (strlen($value) > $trim) {
 327                 $value = substr($value, 0, $trim);
 328             }
 329         }
 330         $value = preg_replace('/([\x80-\xff]+)/e', '"=?UTF-8?B?" . base64_encode("\1") . "?="', $value);
 331         return $value;
 332     }
 333
 334     private function decodeContent()
 335     {
 336         $encodings = Array('quoted-printable' => 'quoted_printable_decode',
 337                            'base64'           => 'base64_decode',
 338                            'x-uuencode'       => 'convert_uudecode');
 339         foreach ($encodings as $encoding => $callback) {
 340             if ($this->encoding == $encoding) {
 341                 $this->body     = $callback($this->body);
 342                 $this->encoding = '8bit';
 343                 break;
 344             }
 345         }
 346         if (!$this->isType('text')) {
 347             return;
 348         }
 349
 350         if (!is_null($this->charset)) {
 351             $body = @iconv($this->charset, 'UTF-8//IGNORE', $this->body);
 352             if (empty($body)) {
 353                 return;
 354             }
 355             $this->body = $body;
 356         } else {
 357             $this->body = utf8_encode($this->body);
 358         }
 359         $this->charset = 'utf-8';
 360     }
 361
 362     public function send($force_inline = false)
 363     {
 364         $this->decodeContent();
 365         if ($force_inline) {
 366             $dispostion =  $this->disposition;
 367             $this->disposition = 'inline';
 368         }
 369         $headers = $this->getHeaders();
 370         foreach ($headers as $key => $value) {
 371             header("$key: $value");
 372         }
 373         if ($force_inline) {
 374             $this->disposition = $disposition;
 375         }
 376         echo $this->body;
 377         exit;
 378     }
 379
 380     private function setBoundary()
 381     {
 382         if ($this->isType('multipart') && is_null($this->boundary)) {
 383             $this->boundary = '--banana-bound-' . time() . rand(0, 255) . '-';
 384         }
 385     }
 386
 387     public function getHeaders()
 388     {
 389         $headers = array();
 390         $this->setBoundary();
 391         $headers['Content-Type'] = $this->content_type . ";"
 392             . ($this->filename ? " name=\"{$this->filename}\";" : '')
 393             . ($this->charset ? " charset=\"{$this->charset}\";" : '')
 394             . ($this->boundary ? " boundary=\"{$this->boundary}\";" : "")
 395             . ($this->format ? " format={$this->format}" : "");
 396         if ($this->encoding) {
 397             $headers['Content-Transfer-Encoding'] = $this->encoding;
 398         }
 399         if ($this->disposition) {
 400             $headers['Content-Disposition'] = $this->disposition
 401                 . ($this->filename ? "; filename=\"{$this->filename}\"" : '');
 402         }
 403         return array_map(array($this, 'encodeHeader'), $headers);
 404     }
 405
 406     public function hasBody()
 407     {
 408         if (is_null($this->content) && !$this->isType('multipart')) {
 409             return false;
 410         }
 411         return true;
 412     }
 413
 414     public function get($with_headers = false)
 415     {
 416         $content = "";
 417         if ($with_headers) {
 418             foreach ($this->getHeaders() as $key => $value) {
 419                 $line = "$key: $value";
 420                 $line = explode("\n", wordwrap($line, Banana::$msgshow_wrap));
 421                 for ($i = 1 ; $i < count($line) ; $i++) {
 422                     $line[$i] = "\t" . $line[$i];
 423                 }
 424                 $content .= implode("\n", $line) . "\n";
 425             }
 426             $content .= "\n";
 427         }
 428         if ($this->isType('multipart')) {
 429             $this->setBoundary();
 430             foreach ($this->multipart as &$part) {
 431                 $content .= "\n--{$this->boundary}\n" . $part->get(true);
 432             }
 433             $content .= "\n--{$this->boundary}--";
 434         } elseif ($this->isType('text', 'plain')) {
 435             $content .= banana_flow($this->body);
 436         } else {
 437             $content .= banana_wordwrap($this->body);
 438         }
 439         return $content;
 440     }
 441
 442     public function getText()
 443     {
 444         $signed =& $this->getSignedPart();
 445         if ($signed !== $this) {
 446             return $signed->getText();
 447         }
 448         $this->decodeContent();
 449         return $this->body;
 450     }
 451
 452     public function toHtml()
 453     {
 454         $signed =& $this->getSignedPart();
 455         if ($signed !== $this) {
 456             return $signed->toHtml();
 457         }
 458         @list($type, $subtype) = $this->getType();
 459         if ($type == 'image') {
 460             $part = $this->id ? $this->id : $this->filename;
 461             return '<img class="multipart" src="'
 462                  . banana_htmlentities(Banana::$page->makeUrl(array('group' => Banana::$group,
 463                                                                     'artid' => Banana::$artid,
 464                                                                     'part'  => $part)))
 465                  . '" alt="' . banana_htmlentities($this->filename) . '" />';
 466         } else if ($type == 'multipart' && $subtype == 'alternative') {
 467             $types =& Banana::$msgshow_mimeparts;
 468             foreach ($types as $type) {
 469                 @list($type, $subtype) = explode('/', $type);
 470                 $part = $this->getParts($type, $subtype);
 471                 if (count($part) > 0) {
 472                     return $part[0]->toHtml();
 473                 }
 474             }
 475         } elseif ((!in_array($type, Banana::$msgshow_mimeparts)
 476                   && !in_array($this->content_type, Banana::$msgshow_mimeparts))
 477                   || $this->disposition == 'attachment') {
 478             $part = $this->id ? $this->id : $this->filename;
 479             if (!$part) {
 480                 $part = $this->content_type;
 481             }
 482             return '[' . Banana::$page->makeImgLink(array('group' => Banana::$group,
 483                                                  'artid' => Banana::$artid,
 484                                                  'part'  => $part,
 485                                                  'text'  => $this->filename ? $this->filename : $this->content_type,
 486                                                  'img'   => 'save')) . ']';
 487         } elseif ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 488             $text = '';
 489             foreach ($this->multipart as &$part) {
 490                 $text .= $part->toHtml();
 491             }
 492             return $text;
 493         } else {
 494             switch ($subtype) {
 495               case 'html': return banana_formatHtml($this);
 496               case 'enriched': case 'richtext': return banana_formatRichText($this);
 497               default:
 498                 if ($type == 'message') { // we have a raw source of data (no specific pre-formatting)
 499                     return '<hr />' . utf8_encode(banana_formatPlainText($this));
 500                 }
 501                 return banana_formatPlainText($this);
 502             }
 503         }
 504         return null;
 505     }
 506
 507     public function quote()
 508     {
 509         $signed =& $this->getSignedPart();
 510         if ($signed !== $this) {
 511             return $signed->quote();
 512         }
 513         list($type, $subtype) = $this->getType();
 514         if (in_array($type, Banana::$msgedit_mimeparts) || in_array($this->content_type, Banana::$msgedit_mimeparts)) {
 515             if ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 516                 $text = '';
 517                 foreach ($this->multipart as &$part) {
 518                     $qt = $part->quote();
 519                     $qt = rtrim($qt);
 520                     if (!empty($text)) {
 521                         $text .= "\n" . banana_quote("", 1) . "\n";
 522                     }
 523                     $text .= $qt;
 524                 }
 525                 return $text;
 526             }
 527             switch ($subtype) {
 528               case 'html': return banana_quoteHtml($this);
 529               case 'enriched': case 'richtext': return banana_quoteRichText($this);
 530               default: return banana_quotePlainText($this);
 531             }
 532         }
 533     }
 534
 535     protected function getType()
 536     {
 537         return explode('/', $this->content_type);
 538     }
 539
 540     protected function isType($type, $subtype = null)
 541     {
 542         list($mytype, $mysub) = $this->getType();
 543         return ($mytype == $type) && (is_null($subtype) || $mysub == $subtype);
 544     }
 545
 546     public function isFlowed()
 547     {
 548         return $this->format == 'flowed';
 549     }
 550
 551     public function getFilename()
 552     {
 553         return $this->filename;
 554     }
 555
 556     protected function getParts($type, $subtype = null)
 557     {
 558         $parts = array();
 559         if ($this->isType($type, $subtype)) {
 560             return array($this);
 561         } elseif ($this->isType('multipart')) {
 562             foreach ($this->multipart as &$part) {
 563                 $parts = array_merge($parts, $part->getParts($type, $subtype));
 564             }
 565         }
 566         return $parts;
 567     }
 568
 569     public function getFile($filename)
 570     {
 571         if ($this->filename == $filename) {
 572             return $this;
 573         } elseif ($this->isType('multipart')) {
 574             foreach ($this->multipart as &$part) {
 575                 $file = $part->getFile($filename);
 576                 if (!is_null($file)) {
 577                     return $file;
 578                 }
 579             }
 580         }
 581         return null;
 582     }
 583
 584     public function getAttachments()
 585     {
 586         if (!is_null($this->filename)) {
 587             return array($this);
 588         } elseif ($this->isType('multipart')) {
 589             $parts = array();
 590             foreach ($this->multipart as &$part) {
 591                 $parts = array_merge($parts, $part->getAttachments());
 592             }
 593             return $parts;
 594         }
 595         return array();
 596     }
 597
 598     public function getAlternatives()
 599     {
 600         $types =& Banana::$msgshow_mimeparts;
 601         $names =& Banana::$mimeparts;
 602         $source = null;
 603         if (in_array('source', $types)) {
 604             $source = @$names['source'] ? $names['source'] : 'source';
 605         }
 606         if ($this->isType('multipart', 'signed')) {
 607             $parts = array($this->getSignedPart());
 608         } else if (!$this->isType('multipart', 'alternative') && !$this->isType('multipart', 'related')) {
 609             if ($source) {
 610                 $parts = array($this);
 611             } else {
 612                 return array();
 613             }
 614         } else {
 615             $parts =& $this->multipart;
 616         }
 617         $alt = array();
 618         foreach ($parts as &$part) {
 619             list($type, $subtype) = $part->getType();
 620             $ct = $type . '/' . $subtype;
 621             if (in_array($ct, $types) || in_array($type, $types)) {
 622                 if (isset($names[$ct])) {
 623                     $alt[$ct] = $names[$ct];
 624                 } elseif (isset($names[$type])) {
 625                     $alt[$ct] = $names[$type];
 626                 } else {
 627                     $alt[$ct] = $ct;
 628                 }
 629             }
 630         }
 631         if ($source) {
 632             $alt['source'] = $source;
 633         }
 634         return $alt;
 635     }
 636
 637     public function getPartById($id)
 638     {
 639         if ($this->id == $id) {
 640             return $this;
 641         } elseif ($this->isType('multipart')) {
 642             foreach ($this->multipart as &$part) {
 643                 $res = $part->getPartById($id);
 644                 if (!is_null($res)) {
 645                     return $res;
 646                 }
 647             }
 648         }
 649         return null;
 650     }
 651
 652     protected function &getSignedPart()
 653     {
 654         if ($this->isType('multipart', 'signed')) {
 655             foreach ($this->multipart as &$part) {
 656                 if ($part->content_type != $this->signature['protocole']) {
 657                     return $part;
 658                 }
 659             }
 660         }
 661         return $this;
 662     }
 663
 664     private function checkPGPSignature($signature, $message = null)
 665     {
 666         if (!Banana::$msgshow_pgpcheck) {
 667             return true;
 668         }
 669         $signname = tempnam(Banana::$spool_root, 'banana_pgp_');
 670         $gpg = 'LC_ALL="en_US" ' . Banana::$msgshow_pgppath . ' ' . Banana::$msgshow_pgpoptions . ' --verify '
 671                 .  $signname . '.asc ';
 672         file_put_contents($signname. '.asc', $signature);
 673         $gpg_check = array();
 674         if (!is_null($message)) {
 675             file_put_contents($signname, str_replace(array("\r\n", "\n"), array("\n", "\r\n"), $message));
 676             exec($gpg . $signname . ' 2>&1', $gpg_check, $result);
 677             unlink($signname);
 678         } else {
 679             exec($gpg . '2&>1', $gpg_check, $result);
 680         }
 681         unlink("$signname.asc");
 682         if (preg_match('/Signature made (.+) using (.+) key ID (.+)/', array_shift($gpg_check), $matches)) {
 683             $this->signature['date'] = strtotime($matches[1]);
 684             $this->signature['key'] = array('format' => $matches[2],
 685                                             'id'     => $matches[3]);
 686         } else {
 687             return false;
 688         }
 689         $signature = array_shift($gpg_check);
 690         if (preg_match('/Good signature from "(.+)"/', $signature, $matches)) {
 691             $this->signature['verify'] = true;
 692             $this->signature['identity'] = array($matches[1]);
 693             $this->signature['certified'] = true;
 694         } elseif (preg_match('/BAD signature from "(.+)"/', $signature, $matches)) {
 695             $this->signature['verify'] = false;
 696             $this->signature['identity'] = array($matches[1]);
 697             $this->signature['certified'] = false;
 698         } else {
 699             return false;
 700         }
 701         foreach ($gpg_check as $aka) {
 702             if (preg_match('/aka "(.+)"/', $aka, $matches)) {
 703                 $this->signature['identity'][] = $matches[1];
 704             }
 705             if (preg_match('/This key is not certified with a trusted signature!/', $aka)) {
 706                 $this->signature['certified'] = false;
 707                 $this->signature['certification_error'] = _b_("identité non confirmée");
 708             }
 709         }
 710         return true;
 711     }
 712
 713     public function getSignature()
 714     {
 715         return $this->signature;
 716     }
 717 }
 718
 719 // vim:set et sw=4 sts=4 ts=4 enc=utf-8:
 720 ?>