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[] = $newpart;
 122             return true;
 123         }
 124         return false;
 125     }
 126
 127     public function getHeader($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", $lines);
 159         unset($lines);
 160         $test          = trim($content);
 161         if (empty($test)) {
 162             return;
 163         }
 164         unset($test);
 165
 166         $content_type = strtolower($this->getHeader('content-type', '/^\s*([^ ;]+?)(;|$)/'));
 167         if (empty($content_type)) {
 168             $encoding     = '8bit';
 169             $charset      = 'CP1252';
 170             $content_type = 'text/plain';
 171             $format       = strtolower($this->getHeader('x-rfc2646', '/format="?([^ w@"]+?)"?\s*(;|$)/i'));
 172         } else {
 173             $encoding     = strtolower($this->getHeader('content-transfer-encoding'));
 174             $disposition  = $this->getHeader('content-disposition', '/(inline|attachment)/i');
 175             $boundary     = $this->getHeader('content-type', '/boundary="?([^ "]+?)"?\s*(;|$)/i');
 176             $charset      = strtolower($this->getHeader('content-type', '/charset="?([^ "]+?)"?\s*(;|$)/i'));
 177             $filename     = $this->getHeader('content-disposition', '/filename="?([^ "]+?)"?\s*(;|$)/i');
 178             $format       = strtolower($this->getHeader('content-type', '/format="?([^ "]+?)"?\s*(;|$)/i'));
 179             $id           = $this->getHeader('content-id', '/<(.*?)>/');
 180             $sign_protocole = strtolower($this->getHeader('content-type', '/protocol="?([^ "]+?)"?\s*(;|$)/i'));
 181             if (empty($filename)) {
 182                 $filename = $this->getHeader('content-type', '/name="?([^"]+)"?/');
 183             }
 184         }
 185         list($type, $subtype) = explode('/', $content_type);
 186         switch ($type) {
 187           case 'text': case 'message':
 188             $this->makeTextPart($content, $content_type, $encoding, $charset, $format);
 189             break;
 190           case 'multipart':
 191             $this->makeMultiPart($content, $content_type, $encoding, $boundary, $sign_protocole);
 192             break;
 193           default:
 194             $this->makeDataPart($content, $content_type, $encoding, $filename, $disposition, $id);
 195         }
 196     }
 197
 198     private function parse()
 199     {
 200         if ($this->isType('multipart')) {
 201             $this->splitMultipart();
 202         } else {
 203             $parts = $this->findUUEncoded();
 204             if (count($parts)) {
 205                 $this->convertToMultiPart();
 206                 $this->multipart = array_merge($this->multipart, $parts);
 207                 // Restore "message" headers to the previous level"
 208                 $this->headers = array();
 209                 foreach (Banana::$msgshow_headers as $hdr) {
 210                     if (isset($this->multipart[0]->headers[$hdr])) {
 211                         $this->headers[$hdr] = $this->multipart[0]->headers[$hdr];
 212                     }
 213                 }
 214             }
 215         }
 216     }
 217
 218     private function splitMultipart()
 219     {
 220         $this->decodeContent();
 221         if (is_null($this->multipart)) {
 222             $this->multipart = array();
 223         }
 224         $boundary =& $this->boundary;
 225         $parts = preg_split("/(^|\n)--" . preg_quote($boundary, '/') . "(--|\n)/", $this->body, -1, PREG_SPLIT_NO_EMPTY);
 226         $signed = $this->isType('multipart', 'signed');
 227         $signature = null;
 228         $signed_message = null;
 229         foreach ($parts as &$part) {
 230             $newpart = new BananaMimePart($part);
 231             if (!is_null($newpart->content_type)) {
 232                 if ($signed && $newpart->content_type == $this->signature['protocole']) {
 233                     $signature = $newpart->body;
 234                 } elseif ($signed) {
 235                     $signed_message = $part;
 236                 }
 237                 $this->multipart[] = $newpart;
 238             }
 239         }
 240         if ($signed) {
 241             $this->checkPGPSignature($signature, $signed_message);
 242         }
 243         $this->body = null;
 244     }
 245
 246     public static function getMimeType($data, $is_filename = true)
 247     {
 248         if ($is_filename) {
 249             $type = mime_content_type($data);
 250             if ($type == 'text/plain') { // XXX Workaround a bug of php 5.2.0+etch10 (fallback for mime_content_type is text/plain)
 251                 $type = preg_replace('/;.*/', '', trim(shell_exec('file -bi ' . escapeshellarg($data))));
 252             }
 253         } else {
 254             $arg = escapeshellarg($data);
 255             $type = preg_replace('/;.*/', '', trim(shell_exec("echo $arg | file -bi -")));
 256         }
 257         return empty($type) ? 'application/octet-stream' : $type;
 258     }
 259
 260     private function findUUEncoded()
 261     {
 262         $this->decodeContent();
 263         $parts = array();
 264         if (preg_match_all("/\n(begin \d+ ([^\r\n]+)\r?(?:\n(?!end)[^\n]*)*\nend)/",
 265             $this->body, $matches, PREG_SET_ORDER)) {
 266             foreach ($matches as &$match) {
 267                 $data = convert_uudecode($match[1]);
 268                 $mime = BananaMimePart::getMimeType($data, false);
 269                 if ($mime != 'application/x-empty') {
 270                     $this->body = trim(str_replace($match[0], '', $this->body));
 271                     $newpart = new BananaMimePart;
 272                     self::decodeHeader($match[2]);
 273                     $newpart->makeDataPart($data, $mime, '8bit', $match[2], 'attachment');
 274                     $parts[] = $newpart;
 275                 }
 276             }
 277         }
 278         return $parts;
 279     }
 280
 281     static private function _decodeHeader($charset, $c, $str)
 282     {
 283         $s = ($c == 'Q' || $c == 'q') ? quoted_printable_decode($str) : base64_decode($str);
 284         $s = @iconv($charset, 'UTF-8', $s);
 285         return str_replace('_', ' ', $s);
 286     }
 287
 288     static public function decodeHeader(&$val, $key = null)
 289     {
 290         if (preg_match('/[\x80-\xff]/', $val)) {
 291             if (!is_utf8($val)) {
 292                 $val = utf8_encode($val);
 293             }
 294         } elseif (strpos($val, '=') !== false) {
 295             $val = preg_replace('/(=\?.*?\?[bq]\?.*?\?=) (=\?.*?\?[bq]\?.*?\?=)/i', '\1\2', $val);
 296             $val = preg_replace('/=\?(.*?)\?([bq])\?(.*?)\?=/ie', 'BananaMimePart::_decodeHeader("\1", "\2", "\3")', $val);
 297         }
 298     }
 299
 300     static public function &parseHeaders(array &$lines)
 301     {
 302         $headers = array();
 303         while ($lines) {
 304             $line = array_shift($lines);
 305             if (isset($hdr) && $line && ctype_space($line{0})) {
 306                 $headers[$hdr] .= ' ' . trim($line);
 307             } elseif (!empty($line)) {
 308                 if (strpos($line, ':') !== false) {
 309                     list($hdr, $val) = explode(":", $line, 2);
 310                     $hdr = strtolower($hdr);
 311                     if (in_array($hdr, Banana::$msgparse_headers)) {
 312                         $headers[$hdr] = ltrim($val);
 313                     } else {
 314                         unset($hdr);
 315                     }
 316                 }
 317             } else {
 318                 break;
 319             }
 320         }
 321         array_walk($headers, array('BananaMimePart', 'decodeHeader'));
 322         return $headers;
 323     }
 324
 325     static public function encodeHeader($value, $trim = 0)
 326     {
 327         if ($trim) {
 328             if (strlen($value) > $trim) {
 329                 $value = substr($value, 0, $trim);
 330             }
 331         }
 332         $value = preg_replace('/([\x80-\xff]+)/e', '"=?UTF-8?B?" . base64_encode("\1") . "?="', $value);
 333         return $value;
 334     }
 335
 336     private function decodeContent()
 337     {
 338         $encodings = Array('quoted-printable' => 'quoted_printable_decode',
 339                            'base64'           => 'base64_decode',
 340                            'x-uuencode'       => 'convert_uudecode');
 341         foreach ($encodings as $encoding => $callback) {
 342             if ($this->encoding == $encoding) {
 343                 $this->body     = $callback($this->body);
 344                 $this->encoding = '8bit';
 345                 break;
 346             }
 347         }
 348         if (!$this->isType('text')) {
 349             return;
 350         }
 351
 352         if (!is_null($this->charset)) {
 353             $body = @iconv($this->charset, 'UTF-8//IGNORE', $this->body);
 354             if (empty($body)) {
 355                 return;
 356             }
 357             $this->body = $body;
 358         } else {
 359             $this->body = utf8_encode($this->body);
 360         }
 361         $this->charset = 'utf-8';
 362     }
 363
 364     public function send($force_inline = false)
 365     {
 366         $this->decodeContent();
 367         if ($force_inline) {
 368             $dispostion =  $this->disposition;
 369             $this->disposition = 'inline';
 370         }
 371         $headers = $this->getHeaders();
 372         foreach ($headers as $key => $value) {
 373             header("$key: $value");
 374         }
 375         if ($force_inline) {
 376             $this->disposition = $disposition;
 377         }
 378         echo $this->body;
 379         exit;
 380     }
 381
 382     private function setBoundary()
 383     {
 384         if ($this->isType('multipart') && is_null($this->boundary)) {
 385             $this->boundary = '--banana-bound-' . time() . rand(0, 255) . '-';
 386         }
 387     }
 388
 389     public function getHeaders()
 390     {
 391         $headers = array();
 392         $this->setBoundary();
 393         $headers['Content-Type'] = $this->content_type . ";"
 394             . ($this->filename ? " name=\"{$this->filename}\";" : '')
 395             . ($this->charset ? " charset=\"{$this->charset}\";" : '')
 396             . ($this->boundary ? " boundary=\"{$this->boundary}\";" : "")
 397             . ($this->format ? " format={$this->format}" : "");
 398         if ($this->encoding) {
 399             $headers['Content-Transfer-Encoding'] = $this->encoding;
 400         }
 401         if ($this->disposition) {
 402             $headers['Content-Disposition'] = $this->disposition
 403                 . ($this->filename ? "; filename=\"{$this->filename}\"" : '');
 404         }
 405         return array_map(array($this, 'encodeHeader'), $headers);
 406     }
 407
 408     public function hasBody()
 409     {
 410         if (is_null($this->content) && !$this->isType('multipart')) {
 411             return false;
 412         }
 413         return true;
 414     }
 415
 416     public function get($with_headers = false)
 417     {
 418         $content = "";
 419         if ($with_headers) {
 420             foreach ($this->getHeaders() as $key => $value) {
 421                 $line = "$key: $value";
 422                 $line = explode("\n", wordwrap($line, Banana::$msgshow_wrap));
 423                 for ($i = 1 ; $i < count($line) ; $i++) {
 424                     $line[$i] = "\t" . $line[$i];
 425                 }
 426                 $content .= implode("\n", $line) . "\n";
 427             }
 428             $content .= "\n";
 429         }
 430         if ($this->isType('multipart')) {
 431             $this->setBoundary();
 432             foreach ($this->multipart as &$part) {
 433                 $content .= "\n--{$this->boundary}\n" . $part->get(true);
 434             }
 435             $content .= "\n--{$this->boundary}--";
 436         } elseif ($this->isType('text', 'plain')) {
 437             $content .= banana_flow($this->body);
 438         } else {
 439             $content .= banana_wordwrap($this->body);
 440         }
 441         return $content;
 442     }
 443
 444     public function getText()
 445     {
 446         $signed =& $this->getSignedPart();
 447         if ($signed !== $this) {
 448             return $signed->getText();
 449         }
 450         $this->decodeContent();
 451         return $this->body;
 452     }
 453
 454     public function toHtml()
 455     {
 456         $signed =& $this->getSignedPart();
 457         if ($signed !== $this) {
 458             return $signed->toHtml();
 459         }
 460         @list($type, $subtype) = $this->getType();
 461         if ($type == 'image') {
 462             $part = $this->id ? $this->id : $this->filename;
 463             return '<img class="multipart" src="'
 464                  . banana_htmlentities(Banana::$page->makeUrl(array('group' => Banana::$group,
 465                                                                     'artid' => Banana::$artid,
 466                                                                     'part'  => $part)))
 467                  . '" alt="' . banana_htmlentities($this->filename) . '" />';
 468         } else if ($type == 'multipart' && $subtype == 'alternative') {
 469             $types =& Banana::$msgshow_mimeparts;
 470             foreach ($types as $type) {
 471                 @list($type, $subtype) = explode('/', $type);
 472                 $part = $this->getParts($type, $subtype);
 473                 if (count($part) > 0) {
 474                     return $part[0]->toHtml();
 475                 }
 476             }
 477         } elseif ((!in_array($type, Banana::$msgshow_mimeparts)
 478                   && !in_array($this->content_type, Banana::$msgshow_mimeparts))
 479                   || $this->disposition == 'attachment') {
 480             $part = $this->id ? $this->id : $this->filename;
 481             if (!$part) {
 482                 $part = $this->content_type;
 483             }
 484             return '[' . Banana::$page->makeImgLink(array('group' => Banana::$group,
 485                                                  'artid' => Banana::$artid,
 486                                                  'part'  => $part,
 487                                                  'text'  => $this->filename ? $this->filename : $this->content_type,
 488                                                  'img'   => 'save')) . ']';
 489         } elseif ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 490             $text = '';
 491             foreach ($this->multipart as &$part) {
 492                 $text .= $part->toHtml();
 493             }
 494             return $text;
 495         } else {
 496             switch ($subtype) {
 497               case 'html': return banana_formatHtml($this);
 498               case 'enriched': case 'richtext': return banana_formatRichText($this);
 499               default:
 500                 if ($type == 'message') { // we have a raw source of data (no specific pre-formatting)
 501                     return '<hr />' . utf8_encode(banana_formatPlainText($this));
 502                 }
 503                 return banana_formatPlainText($this);
 504             }
 505         }
 506         return null;
 507     }
 508
 509     public function quote()
 510     {
 511         $signed =& $this->getSignedPart();
 512         if ($signed !== $this) {
 513             return $signed->quote();
 514         }
 515         list($type, $subtype) = $this->getType();
 516         if (in_array($type, Banana::$msgedit_mimeparts) || in_array($this->content_type, Banana::$msgedit_mimeparts)) {
 517             if ($type == 'multipart' && ($subtype == 'mixed' || $subtype == 'report')) {
 518                 $text = '';
 519                 foreach ($this->multipart as &$part) {
 520                     $qt = $part->quote();
 521                     $qt = rtrim($qt);
 522                     if (!empty($text)) {
 523                         $text .= "\n" . banana_quote("", 1) . "\n";
 524                     }
 525                     $text .= $qt;
 526                 }
 527                 return $text;
 528             }
 529             switch ($subtype) {
 530               case 'html': return banana_quoteHtml($this);
 531               case 'enriched': case 'richtext': return banana_quoteRichText($this);
 532               default: return banana_quotePlainText($this);
 533             }
 534         }
 535     }
 536
 537     protected function getType()
 538     {
 539         return explode('/', $this->content_type);
 540     }
 541
 542     protected function isType($type, $subtype = null)
 543     {
 544         list($mytype, $mysub) = $this->getType();
 545         return ($mytype == $type) && (is_null($subtype) || $mysub == $subtype);
 546     }
 547
 548     public function isFlowed()
 549     {
 550         return $this->format == 'flowed';
 551     }
 552
 553     public function getFilename()
 554     {
 555         return $this->filename;
 556     }
 557
 558     protected function getParts($type, $subtype = null)
 559     {
 560         $parts = array();
 561         if ($this->isType($type, $subtype)) {
 562             return array($this);
 563         } elseif ($this->isType('multipart')) {
 564             foreach ($this->multipart as &$part) {
 565                 $parts = array_merge($parts, $part->getParts($type, $subtype));
 566             }
 567         }
 568         return $parts;
 569     }
 570
 571     public function getFile($filename)
 572     {
 573         if ($this->filename == $filename) {
 574             return $this;
 575         } elseif ($this->isType('multipart')) {
 576             foreach ($this->multipart as &$part) {
 577                 $file = $part->getFile($filename);
 578                 if (!is_null($file)) {
 579                     return $file;
 580                 }
 581             }
 582         }
 583         return null;
 584     }
 585
 586     public function getAttachments()
 587     {
 588         if (!is_null($this->filename)) {
 589             return array($this);
 590         } elseif ($this->isType('multipart')) {
 591             $parts = array();
 592             foreach ($this->multipart as &$part) {
 593                 $parts = array_merge($parts, $part->getAttachments());
 594             }
 595             return $parts;
 596         }
 597         return array();
 598     }
 599
 600     public function getAlternatives()
 601     {
 602         $types =& Banana::$msgshow_mimeparts;
 603         $names =& Banana::$mimeparts;
 604         $source = null;
 605         if (in_array('source', $types)) {
 606             $source = @$names['source'] ? $names['source'] : 'source';
 607         }
 608         if ($this->isType('multipart', 'signed')) {
 609             $parts = array($this->getSignedPart());
 610         } else if (!$this->isType('multipart', 'alternative') && !$this->isType('multipart', 'related')) {
 611             if ($source) {
 612                 $parts = array($this);
 613             } else {
 614                 return array();
 615             }
 616         } else {
 617             $parts =& $this->multipart;
 618         }
 619         $alt = array();
 620         foreach ($parts as &$part) {
 621             list($type, $subtype) = $part->getType();
 622             $ct = $type . '/' . $subtype;
 623             if (in_array($ct, $types) || in_array($type, $types)) {
 624                 if (isset($names[$ct])) {
 625                     $alt[$ct] = $names[$ct];
 626                 } elseif (isset($names[$type])) {
 627                     $alt[$ct] = $names[$type];
 628                 } else {
 629                     $alt[$ct] = $ct;
 630                 }
 631             }
 632         }
 633         if ($source) {
 634             $alt['source'] = $source;
 635         }
 636         return $alt;
 637     }
 638
 639     public function getPartById($id)
 640     {
 641         if ($this->id == $id) {
 642             return $this;
 643         } elseif ($this->isType('multipart')) {
 644             foreach ($this->multipart as &$part) {
 645                 $res = $part->getPartById($id);
 646                 if (!is_null($res)) {
 647                     return $res;
 648                 }
 649             }
 650         }
 651         return null;
 652     }
 653
 654     protected function &getSignedPart()
 655     {
 656         if ($this->isType('multipart', 'signed')) {
 657             foreach ($this->multipart as &$part) {
 658                 if ($part->content_type != $this->signature['protocole']) {
 659                     return $part;
 660                 }
 661             }
 662         }
 663         return $this;
 664     }
 665
 666     private function checkPGPSignature($signature, $message = null)
 667     {
 668         if (!Banana::$msgshow_pgpcheck) {
 669             return true;
 670         }
 671         $signname = tempnam(Banana::$spool_root, 'banana_pgp_');
 672         $gpg = 'LC_ALL="en_US" ' . Banana::$msgshow_pgppath . ' ' . Banana::$msgshow_pgpoptions . ' --verify '
 673                 .  $signname . '.asc ';
 674         file_put_contents($signname. '.asc', $signature);
 675         $gpg_check = array();
 676         if (!is_null($message)) {
 677             file_put_contents($signname, str_replace(array("\r\n", "\n"), array("\n", "\r\n"), $message));
 678             exec($gpg . $signname . ' 2>&1', $gpg_check, $result);
 679             unlink($signname);
 680         } else {
 681             exec($gpg . '2&>1', $gpg_check, $result);
 682         }
 683         unlink("$signname.asc");
 684         if (preg_match('/Signature made (.+) using (.+) key ID (.+)/', array_shift($gpg_check), $matches)) {
 685             $this->signature['date'] = strtotime($matches[1]);
 686             $this->signature['key'] = array('format' => $matches[2],
 687                                             'id'     => $matches[3]);
 688         } else {
 689             return false;
 690         }
 691         $signature = array_shift($gpg_check);
 692         if (preg_match('/Good signature from "(.+)"/', $signature, $matches)) {
 693             $this->signature['verify'] = true;
 694             $this->signature['identity'] = array($matches[1]);
 695             $this->signature['certified'] = true;
 696         } elseif (preg_match('/BAD signature from "(.+)"/', $signature, $matches)) {
 697             $this->signature['verify'] = false;
 698             $this->signature['identity'] = array($matches[1]);
 699             $this->signature['certified'] = false;
 700         } else {
 701             return false;
 702         }
 703         foreach ($gpg_check as $aka) {
 704             if (preg_match('/aka "(.+)"/', $aka, $matches)) {
 705                 $this->signature['identity'][] = $matches[1];
 706             }
 707             if (preg_match('/This key is not certified with a trusted signature!/', $aka)) {
 708                 $this->signature['certified'] = false;
 709                 $this->signature['certification_error'] = _b_("identité non confirmée");
 710             }
 711         }
 712         return true;
 713     }
 714
 715     public function getSignature()
 716     {
 717         return $this->signature;
 718     }
 719 }
 720
 721 // vim:set et sw=4 sts=4 ts=4 enc=utf-8:
 722 ?>