X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fmime.php;h=76260f6e11de2850d80994b4f6963087a1f6aef4;hb=74424a43ea5689ddeec0ab9a3d243125ba4f39e5;hp=e864b7b7a8476f2d00d2eec39e34fa0241209cb5;hpb=9297917ee127b69d3cd5947a3af0332679161b23;p=squirrelmail.git diff --git a/functions/mime.php b/functions/mime.php index e864b7b7..76260f6e 100644 --- a/functions/mime.php +++ b/functions/mime.php @@ -4,6 +4,7 @@ ** This contains the functions necessary to detect and decode MIME ** messages. ** + ** $Id$ **/ $debug_mime = false; @@ -23,10 +24,11 @@ /** msg_header contains generic variables for values that **/ /** could be in a header. **/ - var $type0, $type1, $boundary, $charset, $encoding; - var $to, $from, $date, $cc, $bcc, $reply_to, $subject; - var $id, $mailbox, $description; - var $entity_id, $message_id, $charset; + var $type0 = '', $type1 = '', $boundary = '', $charset = ''; + var $encoding = '', $size = 0, $to = array(), $from = '', $date = ''; + var $cc = array(), $bcc = array(), $reply_to = '', $subject = ''; + var $id = 0, $mailbox = '', $description = '', $filename = ''; + var $entity_id = 0, $message_id = 0; } class message { @@ -35,11 +37,11 @@ more objects of type message. See documentation in mime.txt for a better description of how this works. **/ - var $header; - var $entities; + var $header = ''; + var $entities = array(); function addEntity ($msg) { - $this->entities[count($this->entities)] = $msg; + $this->entities[] = $msg; } } @@ -58,18 +60,22 @@ $id = $header->id; fputs ($imap_stream, "a001 FETCH $id BODYSTRUCTURE\r\n"); + // + // This should use sqimap_read_data instead of reading it itself + // $read = fgets ($imap_stream, 10000); $response = substr($read, 0, 4); + $bodystructure = ""; while ($response != "a001") { - $bodystructure = $read; + $bodystructure .= $read; $read = fgets ($imap_stream, 10000); $response = substr($read, 0, 4); } - $read = strtolower($bodystructure); + $read = $bodystructure; - if ($debug_mime) echo "$read

"; + if ($debug_mime) echo "$read

\n"; // isolate the body structure and remove beginning and end parenthesis - $read = trim(substr ($read, strpos($read, "bodystructure") + 13)); + $read = trim(substr ($read, strpos(strtolower($read), "bodystructure") + 13)); $read = trim(substr ($read, 0, -1)); $end = mime_match_parenthesis(0, $read); while ($end == strlen($read)-1) { @@ -78,7 +84,7 @@ $end = mime_match_parenthesis(0, $read); } - if ($debug_mime) echo "$read

"; + if ($debug_mime) echo "$read

\n"; $msg = mime_parse_structure ($read, 0); $msg->header = $header; @@ -94,7 +100,7 @@ // to mime_get_elements() function mime_parse_structure ($structure, $ent_id) { global $debug_mime; - if ($debug_mime) echo "START: mime_parse_structure()
"; + if ($debug_mime) echo "START: mime_parse_structure()
\n"; $msg = new message(); if (substr($structure, 0, 1) == "(") { $ent_id = mime_new_element_level($ent_id); @@ -113,7 +119,7 @@ } else { // parse the elements if ($debug_mime) echo "
$structure
"; - $msg = mime_get_element (&$structure, $msg, $ent_id); + $msg = mime_get_element ($structure, $msg, $ent_id); if ($debug_mime) echo "
"; } return $msg; @@ -160,13 +166,14 @@ $structure = trim($structure); $char = substr($structure, 0, 1); - if (substr($structure, 0, 3) == "nil") { + if (strtolower(substr($structure, 0, 3)) == "nil") { $text = ""; $structure = substr($structure, 3); } else if ($char == "\"") { // loop through until we find the matching quote, and return that as a string $pos = 1; $char = substr($structure, $pos, 1); + $text = ""; while ($char != "\"" && $pos < strlen($structure)) { $text .= $char; $pos++; @@ -177,6 +184,8 @@ // comment me $end = mime_match_parenthesis (0, $structure); $sub = substr($structure, 1, $end-1); + if (! isset($properties)) + $properties = array(); $properties = mime_get_props($properties, $sub); $structure = substr($structure, strlen($sub) + 2); } else { @@ -195,20 +204,20 @@ // This is where all the text parts get put into the header switch ($elem_num) { case 1: - $msg->header->type0 = $text; - if ($debug_mime) echo "type0 = $text
"; + $msg->header->type0 = strtolower($text); + if ($debug_mime) echo "type0 = ".strtolower($text)."
"; break; case 2: - $msg->header->type1 = $text; - if ($debug_mime) echo "type1 = $text
"; + $msg->header->type1 = strtolower($text); + if ($debug_mime) echo "type1 = ".strtolower($text)."
"; break; case 5: $msg->header->description = $text; if ($debug_mime) echo "description = $text
"; break; case 6: - $msg->header->encoding = $text; - if ($debug_mime) echo "encoding = $text
"; + $msg->header->encoding = strtolower($text); + if ($debug_mime) echo "encoding = ".strtolower($text)."
"; break; case 7: $msg->header->size = $text; @@ -287,6 +296,7 @@ if ($char == "\"") { $pos = 1; $char = substr($structure, $pos, 1); + $tmp = ""; while ($char != "\"" && $pos < strlen($structure)) { $tmp .= $char; $pos++; @@ -298,6 +308,7 @@ if ($char == "\"") { $pos = 1; $char = substr($structure, $pos, 1); + $value = ""; while ($char != "\"" && $pos < strlen($structure)) { $value .= $char; $pos++; @@ -306,11 +317,13 @@ $structure = trim(substr($structure, strlen($tmp) + 2)); $k = count($props); - $props[$k]["name"] = $tmp; + $props[$k]["name"] = strtolower($tmp); $props[$k]["value"] = $value; } else if ($char == "(") { $end = mime_match_parenthesis (0, $structure); $sub = substr($structure, 1, $end-1); + if (! isset($props)) + $props = array(); $props = mime_get_props($props, $sub); $structure = substr($structure, strlen($sub) + 2); } @@ -336,11 +349,19 @@ $char = substr($structure, $pos, 1); // ignore all extra characters + // If inside of a string, skip string -- Boundary IDs and other + // things can have ) in them. while ($pos < strlen($structure)) { $pos++; $char = substr($structure, $pos, 1); if ($char == ")") { return $pos; + } else if ($char == '"') { + $pos ++; + while (substr($structure, $pos, 1) != '"' && + $pos < strlen($structure)) { + $pos ++; + } } else if ($char == "(") { $pos = mime_match_parenthesis ($pos, $structure); } @@ -352,12 +373,59 @@ // that it is the first one. That is usually the case anyway. if (!$ent_id) $ent_id = 1; + fputs ($imap_stream, "a010 FETCH $id BODY[$ent_id]\r\n"); + $data = sqimap_read_data ($imap_stream, 'a010', true, $response, $message); + $topline = array_shift($data); + while (! ereg('\* [0-9]+ FETCH ', $topline) && data) + $topline = array_shift($data); + $wholemessage = implode('', $data); + + if (ereg('\{([^\}]*)\}', $topline, $regs)) { + return substr($wholemessage, 0, $regs[1]); + } + else if (ereg('"([^"]*)"', $topline, $regs)) { + return $regs[1]; + } + + $str = "Body retrival error. Please report this bug!\n"; + $str .= "Response: $response\n"; + $str .= "Message: $message\n"; + $str .= "FETCH line: $topline"; + $str .= "---------------\n$wholemessage"; + foreach ($data as $d) + { + $str .= htmlspecialchars($d) . "\n"; + } + return $str; + + return "Body retrival error, please report this bug!\n\nTop line is \"$topline\"\n"; + } + + function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) { + // do a bit of error correction. If we couldn't find the entity id, just guess + // that it is the first one. That is usually the case anyway. + if (!$ent_id) $ent_id = 1; + fputs ($imap_stream, "a001 FETCH $id BODY[$ent_id]\r\n"); - $topline = fgets ($imap_stream, 1024); - $size = substr ($topline, strpos($topline, "{")+1); - $size = substr ($size, 0, strpos($size, "}")); - $read = fread ($imap_stream, $size); - return $read; + $cnt = 0; + $continue = true; + $read = fgets ($imap_stream,4096); + while (!ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) { + if (trim($read) == ")==") { + $read1 = $read; + $read = fgets ($imap_stream,4096); + if (ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) { + return; + } else { + echo decodeBody($read1, $encoding); + echo decodeBody($read, $encoding); + } + } else if ($cnt) { + echo decodeBody($read, $encoding); + } + $read = fgets ($imap_stream,4096); + $cnt++; + } } /* -[ END MIME DECODING ]----------------------------------------------------------- */ @@ -367,7 +435,7 @@ /** This is the first function called. It decides if this is a multipart message or if it should be handled as a single entity **/ - function decodeMime ($imap_stream, $body, $header) { + function decodeMime ($imap_stream, &$header) { global $username, $key, $imapServerAddress, $imapPort; return mime_structure ($imap_stream, $header); } @@ -392,7 +460,7 @@ if ($message->header->entity_id == $ent_id && strlen($ent_id) == strlen($message->header->entity_id)) { return $message; } else { - for ($i = 0; $message->entities[$i]; $i++) { + for ($i = 0; isset($message->entities[$i]); $i++) { $msg = getEntity ($message->entities[$i], $ent_id); if ($msg) return $msg; @@ -408,7 +476,9 @@ if ($message->header->type0 == "text") { if ($message->header->type1 == "plain" || $message->header->type1 == "html") { - return $message->header->entity_id; + if (isset($message->header->entity_id)) + return $message->header->entity_id; + return 0; } } else { for ($i=0; $message->entities[$i]; $i++) { @@ -427,7 +497,7 @@ // this if statement checks for the entity to show as the // primary message. To add more of them, just put them in the // order that is their priority. - global $username, $key, $imapServerAddress, $imapPort; + global $startMessage, $username, $key, $imapServerAddress, $imapPort; $id = $message->header->id; $urlmailbox = urlencode($message->header->mailbox); @@ -435,27 +505,27 @@ // Get the right entity and redefine message to be this entity $ent_num = findDisplayEntity ($message); $body_message = getEntity($message, $ent_num); - - $body = mime_fetch_body ($imap_stream, $id, $ent_num); - $body = decodeBody($body, $body_message->header->encoding); - - // If there are other types that shouldn't be formatted, add - // them here - if ($message->header->type1 != "html") { - $body = translateText($body, $wrap_at, $body_message->header->charset); - } - - $body .= "
". _("Download this as a file") ."

"; - - /** Display the ATTACHMENTS: message if there's more than one part **/ - if ($message->entities) { - $body .= "
"; - $body .= "ATTACHMENTS:"; - $body .= "
"; - $num = 0; - - $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id); + if (($body_message->header->type0 == "text") || + ($body_message->header->type0 == "rfc822")) { + + $body = mime_fetch_body ($imap_stream, $id, $ent_num); + $body = decodeBody($body, $body_message->header->encoding); + + // If there are other types that shouldn't be formatted, add + // them here + if ($body_message->header->type1 != "html") { + translateText($body, $wrap_at, $body_message->header->charset); + } + + $body .= "
". _("Download this as a file") ."

"; + + /** Display the ATTACHMENTS: message if there's more than one part **/ $body .= "
"; + if (isset($message->entities[0])) { + $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id); + } + } else { + $body .= formatAttachments ($message, -1, $message->header->mailbox, $id); } return $body; } @@ -464,6 +534,28 @@ // to where to download these attachments function formatAttachments ($message, $ent_id, $mailbox, $id) { global $where, $what; + global $startMessage, $color; + static $ShownHTML = 0; + + $body = ""; + if ($ShownHTML == 0) + { + $ShownHTML = 1; + + $body .= "\n"; + $body .= "
\n"; + $body .= _("Attachments") . ':'; + $body .= "
\n"; + + $body .= "\n"; + + $body .= formatAttachments ($message, $ent_id, $mailbox, $id); + + $body .= "
"; + + return $body; + } + if ($message) { if (!$message->entities) { $type0 = strtolower($message->header->type0); @@ -479,17 +571,51 @@ $urlMailbox = urlencode($mailbox); $ent = urlencode($message->header->entity_id); - if ($where && $what) { - // from a search - $body .= "   " . $display_filename . "  (TYPE: $type0/$type1)"; - } else { - $body .= "   " . $display_filename . "  (TYPE: $type0/$type1)"; - } + + $DefaultLink = + "../src/download.php?startMessage=$startMessage&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; + if ($where && $what) + $DefaultLink .= '&where=' . urlencode($where) . '&what=' . urlencode($what); + $Links['download link']['text'] = _("download"); + $Links['download link']['href'] = + "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; + $ImageURL = ''; + + $HookResults = do_hook("attachment $type0/$type1", $Links, + $startMessage, $id, $urlMailbox, $ent, $DefaultLink, + $display_filename, $where, $what); + + $Links = $HookResults[1]; + $DefaultLink = $HookResults[6]; + + $body .= '  '; + $body .= "$display_filename "; + $body .= '' . show_readable_size($message->header->size) . + '  '; + $body .= "[ $type0/$type1 ] "; + $body .= ''; if ($message->header->description) - $body .= "  " . htmlspecialchars($message->header->description).""; - $body .= " ("._("download").")\n"; - $body .= "
"; - $num++; + $body .= '' . htmlspecialchars($message->header->description) . ''; + $body .= ' '; + + + $SkipSpaces = 1; + foreach ($Links as $Val) + { + if ($SkipSpaces) + { + $SkipSpaces = 0; + } + else + { + $body .= '  |  '; + } + $body .= '' . $Val['text'] . ''; + } + + unset($Links); + + $body .= "\n"; } return $body; } else { @@ -532,7 +658,7 @@ $replace = ereg_replace("_", " ", $res[3]); // Convert lowercase Quoted Printable to uppercase for // quoted_printable_decode to understand it. - while (ereg("(=([0-9][a-f])|([a-f][0-9]))", $replace, $res)) { + while (ereg("(=([0-9][abcdef])|([abcdef][0-9])|([abcdef][abcdef]))", $replace, $res)) { $replace = str_replace($res[1], strtoupper($res[1]), $replace); } $replace = quoted_printable_decode($replace); @@ -556,7 +682,7 @@ global $default_charset; // Encode only if the string contains 8-bit characters or =? - if (ereg("([\200-\377])|=\\?", $string)) { + if (ereg("([\200-\377]|=\\?)", $string)) { $newstring = "=?$default_charset?Q?"; // First the special characters @@ -565,11 +691,11 @@ $string = str_replace("_", "=5F", $string); $string = str_replace(" ", "_", $string); - - while (ereg("([\200-\377])", $string, $regs)) { - $replace = $regs[1]; - $insert = "=" . strtoupper(bin2hex($replace)); + for ( $ch = 127 ; $ch <= 255 ; $ch++ ) { + $replace = chr($ch); + $insert = sprintf("=%02X", $ch); $string = str_replace($replace, $insert, $string); + $ch++; } $newstring = "=?$default_charset?Q?".$string."?=";