/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (\Zend_Mime::isPrintable($value)) {
return $value;
} else {
/**
* Next strings fixes the problems
* According to RFC 1522 (http://www.faqs.org/rfcs/rfc1522.html)
*/
$quotedValue = '';
$count = 1;
for ($i = 0; strlen($value) > $i; $i++) {
if ($value[$i] == '?' or $value[$i] == '_' or $value[$i] == ' ') {
$quotedValue .= str_replace(array('?', ' ', '_'), array('=3F', '=20', '=5F'), $value[$i]);
} else {
$quotedValue .= $this->encodeQuotedPrintable($value[$i]);
}
if (strlen($quotedValue) > $count * \Zend_Mime::LINELENGTH) {
$count++;
$quotedValue .= "?=\n =?" . $this->_charset . '?Q?';
}
}
return '=?' . $this->_charset . '?Q?' . $quotedValue . '?=';
}
}
/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value)) {
return $value;
} else {
$base64Value = base64_encode($value);
return "=?" . $this->_charset . "?B?" . $base64Value . "?=";
}
}
/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value)) {
return $value;
} else {
$quotedValue = Zend_Mime::encodeQuotedPrintable($value, 400);
$quotedValue = str_replace(array('?', ' ', '_'), array('=3F', '=20', '=5F'), $quotedValue);
return '=?' . $this->_charset . '?Q?' . $quotedValue . '?=';
}
}
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value)) {
return $value;
} else {
$quotedValue = Zend_Mime::encodeQuotedPrintable($value);
$quotedValue = str_replace(array('?', ' '), array('=3F', '=20'), $quotedValue);
$quotedValue = rawurlencode($quotedValue);
$quotedValue = str_replace('%3D%0A', '', $quotedValue);
$quotedValue = rawurldecode($quotedValue);
$quotedValue = '=?' . $this->_charset . '?Q?' . $quotedValue . '?=';
}
return $quotedValue;
}
/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value) === false) {
if ($this->getHeaderEncoding() === Zend_Mime::ENCODING_QUOTEDPRINTABLE) {
$value = Zend_Mime::encodeQuotedPrintableHeader($value, $this->getCharset(), Zend_Mime::LINELENGTH, Zend_Mime::LINEEND);
} else {
$value = Zend_Mime::encodeBase64Header($value, $this->getCharset(), Zend_Mime::LINELENGTH, Zend_Mime::LINEEND);
}
}
return $value;
}
public function testIsPrintable_isPrintable()
{
$this->assertTrue(Zend_Mime::isPrintable('Test without special chars'));
}
/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value)) {
return $value;
} elseif ($this->_encodingOfHeaders === Zend_Mime::ENCODING_QUOTEDPRINTABLE) {
$quotedValue = Zend_Mime::encodeQuotedPrintable($value);
$quotedValue = str_replace(array('?', ' ', '_'), array('=3F', '=20', '=5F'), $quotedValue);
return '=?' . $this->_charset . '?Q?' . $quotedValue . '?=';
} elseif ($this->_encodingOfHeaders === Zend_Mime::ENCODING_BASE64) {
return '=?' . $this->_charset . '?B?' . Zend_Mime::encodeBase64($value) . '?=';
} else {
/**
* @todo 7Bit and 8Bit is currently handled the same way.
*/
return $value;
}
}
/**
* Assertion that checks if a given mailing header string is RFC conform.
*
* @param string $header
* @return void
*/
protected function assertMailHeaderConformsToRfc($header)
{
$this->numAssertions++;
$parts = explode(Zend_Mime::LINEEND, $header);
if (count($parts) > 0) {
for ($i = 0; $i < count($parts); $i++) {
if (preg_match('/(=?[a-z0-9-_]+\\?[q|b]{1}\\?)/i', $parts[$i], $matches)) {
$dce = sprintf("=?%s", $matches[0]);
// Check that Delimiter, Charset, Encoding are at the front of the string
if (substr(trim($parts[$i]), 0, strlen($dce)) != $dce) {
$this->fail(sprintf("Header-Part '%s' in line '%d' has missing or malformated delimiter, charset, encoding information.", $parts[$i], $i + 1));
}
// check that the encoded word is not too long.);
// this is only some kind of suggestion by the standard, in PHP its hard to hold it, so we do not enforce it here.
/*if(strlen($parts[$i]) > 75) {
$this->fail(sprintf(
"Each encoded-word is only allowed to be 75 chars long, but line %d is %s chars long: %s",
$i+1,
strlen($parts[$i]),
$parts[$i]
));
}*/
// Check that the end-delmiter ?= is correctly placed
if (substr(trim($parts[$i]), -2, 2) != "?=") {
$this->fail(sprintf("Lines with an encoded-word have to end in ?=, but line %d does not: %s", $i + 1, substr(trim($parts[$i]), -2, 2)));
}
// Check that only one encoded-word can be found per line.
if (substr_count($parts[$i], "=?") != 1) {
$this->fail(sprintf("Only one encoded-word is allowed per line in the header. It seems line %d contains more: %s", $i + 1, $parts[$i]));
}
// Check that the encoded-text only contains US-ASCII chars, and no space
$encodedText = substr(trim($parts[$i]), strlen($dce), -2);
if (preg_match('/([\\s]+)/', $encodedText)) {
$this->fail(sprintf("No whitespace characters allowed in encoded-text of line %d: %s", $i + 1, $parts[$i]));
}
for ($i = 0; $i < strlen($encodedText); $i++) {
if (ord($encodedText[$i]) > 127) {
$this->fail(sprintf("No non US-ASCII characters allowed, but line %d has them: %s", $i + 1, $parts[$i]));
}
}
} else {
if (Zend_Mime::isPrintable($parts[$i]) == false) {
$this->fail(sprintf("Encoded-word in line %d contains non printable characters.", $i + 1));
}
}
}
}
}
public function testPrintable()
{
// check if isPrintable works right.
$this->assertFalse(Zend_Mime::isPrintable('Test with special chars: дьяц÷'));
$this->assertTrue(Zend_Mime::isPrintable('Test without special chars'));
}
