From c53d8d026021f97075fb2f4940ba22793c38fb6e Mon Sep 17 00:00:00 2001 From: davehauenstein Date: Wed, 15 Apr 2009 22:06:42 +0000 Subject: added toolbar; functionality includes refresh button to get back to original page, print article, email a link to the article with a personal note git-svn-id: http://arc90labs-readability.googlecode.com/svn/trunk@31 d4e419ec-0920-11de-bbfd-a7c1bc4c261e --- lib/Zend/Mime/Decode.php | 243 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 lib/Zend/Mime/Decode.php (limited to 'lib/Zend/Mime/Decode.php') diff --git a/lib/Zend/Mime/Decode.php b/lib/Zend/Mime/Decode.php new file mode 100644 index 0000000..cc4de8b --- /dev/null +++ b/lib/Zend/Mime/Decode.php @@ -0,0 +1,243 @@ + array(name => value), 'body' => content), null if no parts found + * @throws Zend_Exception + */ + public static function splitMessageStruct($message, $boundary, $EOL = Zend_Mime::LINEEND) + { + $parts = self::splitMime($message, $boundary); + if (count($parts) <= 0) { + return null; + } + $result = array(); + foreach ($parts as $part) { + self::splitMessage($part, $headers, $body, $EOL); + $result[] = array('header' => $headers, + 'body' => $body ); + } + return $result; + } + + /** + * split a message in header and body part, if no header or an + * invalid header is found $headers is empty + * + * The charset of the returned headers depend on your iconv settings. + * + * @param string $message raw message with header and optional content + * @param array $headers output param, array with headers as array(name => value) + * @param string $body output param, content of message + * @param string $EOL EOL string; defaults to {@link Zend_Mime::LINEEND} + * @return null + */ + public static function splitMessage($message, &$headers, &$body, $EOL = Zend_Mime::LINEEND) + { + // check for valid header at first line + $firstline = strtok($message, "\n"); + if (!preg_match('%^[^\s]+[^:]*:%', $firstline)) { + $headers = array(); + // TODO: we're ignoring \r for now - is this function fast enough and is it safe to asume noone needs \r? + $body = str_replace(array("\r", "\n"), array('', $EOL), $message); + return; + } + + // find an empty line between headers and body + // default is set new line + if (strpos($message, $EOL . $EOL)) { + list($headers, $body) = explode($EOL . $EOL, $message, 2); + // next is the standard new line + } else if ($EOL != "\r\n" && strpos($message, "\r\n\r\n")) { + list($headers, $body) = explode("\r\n\r\n", $message, 2); + // next is the other "standard" new line + } else if ($EOL != "\n" && strpos($message, "\n\n")) { + list($headers, $body) = explode("\n\n", $message, 2); + // at last resort find anything that looks like a new line + } else { + @list($headers, $body) = @preg_split("%([\r\n]+)\\1%U", $message, 2); + } + + $headers = iconv_mime_decode_headers($headers, ICONV_MIME_DECODE_CONTINUE_ON_ERROR); + + if ($headers === false ) { + // an error occurs during the decoding + return; + } + + // normalize header names + foreach ($headers as $name => $header) { + $lower = strtolower($name); + if ($lower == $name) { + continue; + } + unset($headers[$name]); + if (!isset($headers[$lower])) { + $headers[$lower] = $header; + continue; + } + if (is_array($headers[$lower])) { + $headers[$lower][] = $header; + continue; + } + $headers[$lower] = array($headers[$lower], $header); + } + } + + /** + * split a content type in its different parts + * + * @param string $type content-type + * @param string $wantedPart the wanted part, else an array with all parts is returned + * @return string|array wanted part or all parts as array('type' => content-type, partname => value) + */ + public static function splitContentType($type, $wantedPart = null) + { + return self::splitHeaderField($type, $wantedPart, 'type'); + } + + /** + * split a header field like content type in its different parts + * + * @param string $type header field + * @param string $wantedPart the wanted part, else an array with all parts is returned + * @param string $firstName key name for the first part + * @return string|array wanted part or all parts as array($firstName => firstPart, partname => value) + * @throws Zend_Exception + */ + public static function splitHeaderField($field, $wantedPart = null, $firstName = 0) + { + $wantedPart = strtolower($wantedPart); + $firstName = strtolower($firstName); + + // special case - a bit optimized + if ($firstName === $wantedPart) { + $field = strtok($field, ';'); + return $field[0] == '"' ? substr($field, 1, -1) : $field; + } + + $field = $firstName . '=' . $field; + if (!preg_match_all('%([^=\s]+)\s*=\s*("[^"]+"|[^;]+)(;\s*|$)%', $field, $matches)) { + throw new Zend_Exception('not a valid header field'); + } + + if ($wantedPart) { + foreach ($matches[1] as $key => $name) { + if (strcasecmp($name, $wantedPart)) { + continue; + } + if ($matches[2][$key][0] != '"') { + return $matches[2][$key]; + } + return substr($matches[2][$key], 1, -1); + } + return null; + } + + $split = array(); + foreach ($matches[1] as $key => $name) { + $name = strtolower($name); + if ($matches[2][$key][0] == '"') { + $split[$name] = substr($matches[2][$key], 1, -1); + } else { + $split[$name] = $matches[2][$key]; + } + } + + return $split; + } + + /** + * decode a quoted printable encoded string + * + * The charset of the returned string depends on your iconv settings. + * + * @param string encoded string + * @return string decoded string + */ + public static function decodeQuotedPrintable($string) + { + return iconv_mime_decode($string, ICONV_MIME_DECODE_CONTINUE_ON_ERROR); + } +} -- cgit v1.2.3