XoopsModules25x /
xhelp
| Total Complexity | 84 |
| Total Lines | 579 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Mail_mime often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Mail_mime, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 54 | class Mail_mime |
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| 55 | { |
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| 56 | /** |
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| 57 | * Contains the plain text part of the email |
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| 58 | * @var string |
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| 59 | */ |
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| 60 | public $_txtbody; |
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| 61 | /** |
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| 62 | * Contains the html part of the email |
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| 63 | * @var string |
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| 64 | */ |
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| 65 | public $_htmlbody; |
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| 66 | /** |
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| 67 | * contains the mime encoded text |
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| 68 | * @var string |
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| 69 | */ |
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| 70 | public $_mime; |
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| 71 | /** |
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| 72 | * contains the multipart content |
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| 73 | * @var string |
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| 74 | */ |
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| 75 | public $_multipart; |
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| 76 | /** |
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| 77 | * list of the attached images |
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| 78 | * @var array |
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| 79 | */ |
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| 80 | public $_html_images = []; |
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| 81 | /** |
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| 82 | * list of the attachements |
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| 83 | * @var array |
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| 84 | */ |
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| 85 | public $_parts = []; |
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| 86 | /** |
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| 87 | * Build parameters |
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| 88 | * @var array |
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| 89 | */ |
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| 90 | public $_build_params = []; |
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| 91 | /** |
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| 92 | * Headers for the mail |
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| 93 | * @var array |
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| 94 | */ |
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| 95 | public $_headers = []; |
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| 96 | /* |
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| 97 | * Constructor function |
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| 98 | * |
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| 99 | * @access public |
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| 100 | */ |
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| 101 | |||
| 102 | /** |
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| 103 | * Mail_mime constructor. |
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| 104 | * @param string $crlf |
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| 105 | */ |
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| 106 | public function __construct(string $crlf = "\r\n") |
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| 107 | { |
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| 108 | if (!defined('MAIL_MIME_CRLF')) { |
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| 109 | define('MAIL_MIME_CRLF', $crlf, true); |
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| 110 | } |
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| 111 | |||
| 112 | $this->_boundary = '=_' . md5(uniqid(time(), true)); |
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| 113 | |||
| 114 | $this->_build_params = [ |
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| 115 | 'text_encoding' => '7bit', |
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| 116 | 'html_encoding' => 'quoted-printable', |
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| 117 | '7bit_wrap' => 998, |
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| 118 | 'html_charset' => 'ISO-8859-1', |
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| 119 | 'text_charset' => 'ISO-8859-1', |
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| 120 | 'head_charset' => 'ISO-8859-1', |
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| 121 | ]; |
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| 122 | } |
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| 123 | |||
| 124 | /** |
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| 125 | * Accessor function to set the body text. Body text is used if |
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| 126 | * it's not an html mail being sent or else is used to fill the |
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| 127 | * text/plain part that emails clients who don't support |
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| 128 | * html should show. |
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| 129 | * |
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| 130 | * @param string $data Either a string or the file name with the |
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| 131 | * contents |
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| 132 | * @param bool $isfile If true the first param should be trated |
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| 133 | * as a file name, else as a string (default) |
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| 134 | * @param bool $append If true the text or file is appended to the |
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| 135 | * existing body, else the old body is overwritten |
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| 136 | * @return bool|\myservices_PEAR_Error|object|\PEAR_Error|string true on success or PEAR_Error object |
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| 137 | * @access public |
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| 138 | */ |
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| 139 | public function setTXTBody(string $data, bool $isfile = false, bool $append = false) |
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| 140 | { |
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| 141 | if ($isfile) { |
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| 142 | $cont = $this->_file2str($data); |
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| 143 | if (PEAR::isError($cont)) { |
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| 144 | return $cont; |
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| 145 | } |
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| 146 | if ($append) { |
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| 147 | $this->_txtbody .= $cont; |
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| 148 | } else { |
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| 149 | $this->_txtbody = $cont; |
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| 150 | } |
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| 151 | } else { |
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| 152 | if (!$append) { |
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| 153 | $this->_txtbody = $data; |
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| 154 | } else { |
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| 155 | $this->_txtbody .= $data; |
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| 156 | } |
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| 157 | } |
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| 158 | |||
| 159 | return true; |
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| 160 | } |
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| 161 | |||
| 162 | /** |
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| 163 | * Adds a html part to the mail |
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| 164 | * |
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| 165 | * @param string $data Either a string or the file name with the |
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| 166 | * contents |
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| 167 | * @param bool $isfile If true the first param should be trated |
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| 168 | * as a file name, else as a string (default) |
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| 169 | * @return bool|\myservices_PEAR_Error|object|\PEAR_Error|string true on success or PEAR_Error object |
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| 170 | */ |
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| 171 | public function setHTMLBody(string $data, bool $isfile = false) |
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| 172 | { |
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| 173 | if ($isfile) { |
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| 174 | $cont = $this->_file2str($data); |
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| 175 | if (PEAR::isError($cont)) { |
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| 176 | return $cont; |
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| 177 | } |
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| 178 | $this->_htmlbody = $cont; |
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| 179 | } else { |
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| 180 | $this->_htmlbody = $data; |
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| 181 | } |
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| 182 | |||
| 183 | return true; |
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| 184 | } |
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| 185 | |||
| 186 | /** |
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| 187 | * Adds an image to the list of embedded images. |
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| 188 | * |
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| 189 | * @param string $file The image file name OR image data itself |
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| 190 | * @param string $c_type The content type |
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| 191 | * @param string $name The filename of the image. Only use if $file is the image data |
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| 192 | * @param bool $isfilename Whether $file is a filename or not. Defaults to true |
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| 193 | * @return bool|\myservices_PEAR_Error|object|\PEAR_Error|string true on success or PEAR_Error object |
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| 194 | * @access public |
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| 195 | */ |
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| 196 | public function addHTMLImage(string $file, string $c_type = 'application/octet-stream', string $name = '', bool $isfilename = true) |
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| 197 | { |
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| 198 | $filedata = ($isfilename) ? $this->_file2str($file) : $file; |
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| 199 | $filename = ($isfilename) ? basename($file) : basename($name); |
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| 200 | if (PEAR::isError($filedata)) { |
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| 201 | return $filedata; |
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| 202 | } |
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| 203 | $this->_html_images[] = [ |
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| 204 | 'body' => $filedata, |
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| 205 | 'name' => $filename, |
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| 206 | 'c_type' => $c_type, |
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| 207 | 'cid' => md5(uniqid(time(), true)), |
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| 208 | ]; |
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| 209 | |||
| 210 | return true; |
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| 211 | } |
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| 212 | |||
| 213 | /** |
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| 214 | * Adds a file to the list of attachments. |
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| 215 | * |
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| 216 | * @param string $file The file name of the file to attach OR the file data itself |
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| 217 | * @param string $c_type The content type |
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| 218 | * @param string $name The filename of the attachment. Only use if $file is the file data |
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| 219 | * @param bool $isfilename Whether $file is a filename or not. Defaults to true |
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| 220 | * @return bool|\myservices_PEAR_Error|object|\PEAR_Error|string true on success or PEAR_Error object |
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| 221 | * @access public |
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| 222 | */ |
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| 223 | public function addAttachment(string $file, string $c_type = 'application/octet-stream', string $name = '', bool $isfilename = true, string $encoding = 'base64') |
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| 224 | { |
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| 225 | $filedata = ($isfilename) ? $this->_file2str($file) : $file; |
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| 226 | if ($isfilename) { |
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| 227 | // Force the name the user supplied, otherwise use $file |
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| 228 | $filename = !empty($name) ? $name : $file; |
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| 229 | } else { |
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| 230 | $filename = $name; |
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| 231 | } |
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| 232 | if (empty($filename)) { |
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| 233 | return PEAR::raiseError('The supplied filename for the attachment can\'t be empty'); |
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| 234 | } |
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| 235 | $filename = basename($filename); |
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| 236 | if (PEAR::isError($filedata)) { |
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| 237 | return $filedata; |
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| 238 | } |
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| 239 | |||
| 240 | $this->_parts[] = [ |
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| 241 | 'body' => $filedata, |
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| 242 | 'name' => $filename, |
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| 243 | 'c_type' => $c_type, |
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| 244 | 'encoding' => $encoding, |
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| 245 | ]; |
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| 246 | |||
| 247 | return true; |
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| 248 | } |
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| 249 | |||
| 250 | /** |
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| 251 | * Returns the contents of the given file name as string |
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| 252 | * @param string $file_name |
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| 253 | * @return false|\myservices_PEAR_Error|object|\PEAR_Error|string |
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| 254 | * @acces private |
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| 255 | */ |
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| 256 | private function &_file2str(string $file_name) |
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| 257 | { |
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| 258 | if (!is_readable($file_name)) { |
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| 259 | return PEAR::raiseError('File is not readable ' . $file_name); |
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| 260 | } |
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| 261 | if (!$fd = fopen($file_name, 'rb')) { |
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| 262 | return PEAR::raiseError('Could not open ' . $file_name); |
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| 263 | } |
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| 264 | $cont = fread($fd, filesize($file_name)); |
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| 265 | fclose($fd); |
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| 266 | |||
| 267 | return $cont; |
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| 268 | } |
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| 269 | |||
| 270 | /** |
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| 271 | * Adds a text subpart to the mimePart object and |
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| 272 | * returns it during the build process. |
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| 273 | * |
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| 274 | * @param mixed $obj The object to add the part to, or |
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| 275 | * null if a new object is to be created. |
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| 276 | * @param string $text The text to add. |
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| 277 | * @return \Mail_mimePart The text mimePart object |
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| 278 | */ |
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| 279 | |||
| 280 | private function &_addTextPart($obj, string $text): Mail_mimePart |
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| 281 | { |
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| 282 | $params['content_type'] = 'text/plain'; |
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| 283 | $params['encoding'] = $this->_build_params['text_encoding']; |
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| 284 | $params['charset'] = $this->_build_params['text_charset']; |
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| 285 | if (is_object($obj)) { |
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| 286 | return $obj->addSubPart($text, $params); |
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| 287 | } |
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| 288 | |||
| 289 | return new Mail_mimePart($text, $params); |
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| 290 | } |
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| 291 | |||
| 292 | /** |
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| 293 | * Adds a html subpart to the mimePart object and |
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| 294 | * returns it during the build process. |
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| 295 | * |
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| 296 | * @param mixed $obj The object to add the part to, or |
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| 297 | * null if a new object is to be created. |
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| 298 | * @return \Mail_mimePart The html mimePart object |
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| 299 | */ |
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| 300 | private function &_addHtmlPart($obj): Mail_mimePart |
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| 301 | { |
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| 302 | $params['content_type'] = 'text/html'; |
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| 303 | $params['encoding'] = $this->_build_params['html_encoding']; |
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| 304 | $params['charset'] = $this->_build_params['html_charset']; |
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| 305 | if (is_object($obj)) { |
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| 306 | return $obj->addSubPart($this->_htmlbody, $params); |
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| 307 | } |
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| 308 | |||
| 309 | return new Mail_mimePart($this->_htmlbody, $params); |
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| 310 | } |
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| 311 | |||
| 312 | /** |
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| 313 | * Creates a new mimePart object, using multipart/mixed as |
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| 314 | * the initial content-type and returns it during the |
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| 315 | * build process. |
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| 316 | * |
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| 317 | * @return \Mail_mimePart The multipart/mixed mimePart object |
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| 318 | */ |
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| 319 | private function &_addMixedPart(): Mail_mimePart |
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| 320 | { |
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| 321 | $params['content_type'] = 'multipart/mixed'; |
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| 322 | |||
| 323 | return new Mail_mimePart('', $params); |
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| 324 | } |
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| 325 | |||
| 326 | /** |
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| 327 | * Adds a multipart/alternative part to a mimePart |
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| 328 | * object, (or creates one), and returns it during |
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| 329 | * the build process. |
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| 330 | * |
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| 331 | * @param mixed $obj The object to add the part to, or |
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| 332 | * null if a new object is to be created. |
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| 333 | * @return \Mail_mimePart The multipart/mixed mimePart object |
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| 334 | */ |
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| 335 | private function &_addAlternativePart($obj): Mail_mimePart |
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| 336 | { |
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| 337 | $params['content_type'] = 'multipart/alternative'; |
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| 338 | if (is_object($obj)) { |
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| 339 | return $obj->addSubPart('', $params); |
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| 340 | } |
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| 341 | |||
| 342 | return new Mail_mimePart('', $params); |
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| 343 | } |
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| 344 | |||
| 345 | /** |
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| 346 | * Adds a multipart/related part to a mimePart |
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| 347 | * object, (or creates one), and returns it during |
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| 348 | * the build process. |
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| 349 | * |
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| 350 | * @param mixed $obj The object to add the part to, or |
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| 351 | * null if a new object is to be created. |
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| 352 | * @return \Mail_mimePart The multipart/mixed mimePart object |
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| 353 | */ |
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| 354 | private function &_addRelatedPart($obj): Mail_mimePart |
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| 355 | { |
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| 356 | $params['content_type'] = 'multipart/related'; |
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| 357 | if (is_object($obj)) { |
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| 358 | return $obj->addSubPart('', $params); |
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| 359 | } |
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| 360 | |||
| 361 | return new Mail_mimePart('', $params); |
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| 362 | } |
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| 363 | |||
| 364 | /** |
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| 365 | * Adds an html image subpart to a mimePart object |
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| 366 | * and returns it during the build process. |
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| 367 | * |
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| 368 | * @param Mail_mimePart $obj The mimePart to add the image to |
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| 369 | * @param array $value The image information |
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| 370 | * @return void The image mimePart object |
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| 371 | */ |
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| 372 | private function &_addHtmlImagePart(Mail_mimePart $obj, array $value): void |
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| 373 | { |
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| 374 | $params['content_type'] = $value['c_type']; |
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| 375 | $params['encoding'] = 'base64'; |
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| 376 | $params['disposition'] = 'inline'; |
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| 377 | $params['dfilename'] = $value['name']; |
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| 378 | $params['cid'] = $value['cid']; |
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| 379 | $obj->addSubPart($value['body'], $params); |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * Adds an attachment subpart to a mimePart object |
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| 384 | * and returns it during the build process. |
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| 385 | * |
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| 386 | * @param Mail_mimePart $obj The mimePart to add the image to |
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| 387 | * @param array $value The attachment information |
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| 388 | * @return void The image mimePart object |
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| 389 | * @access private |
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| 390 | */ |
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| 391 | private function &_addAttachmentPart(Mail_mimePart $obj, array $value): void |
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| 392 | { |
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| 393 | $params['content_type'] = $value['c_type']; |
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| 394 | $params['encoding'] = $value['encoding']; |
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| 395 | $params['disposition'] = 'attachment'; |
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| 396 | $params['dfilename'] = $value['name']; |
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| 397 | $obj->addSubPart($value['body'], $params); |
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| 398 | } |
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| 399 | |||
| 400 | /** |
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| 401 | * Builds the multipart message from the list ($this->_parts) and |
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| 402 | * returns the mime content. |
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| 403 | * |
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| 404 | * @param array|null $build_params Build parameters that change the way the email |
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| 405 | * is built. Should be associative. Can contain: |
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| 406 | * text_encoding - What encoding to use for plain text |
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| 407 | * Default is 7bit |
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| 408 | * html_encoding - What encoding to use for html |
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| 409 | * Default is quoted-printable |
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| 410 | * 7bit_wrap - Number of characters before text is |
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| 411 | * wrapped in 7bit encoding |
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| 412 | * Default is 998 |
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| 413 | * html_charset - The character set to use for html. |
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| 414 | * Default is iso-8859-1 |
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| 415 | * text_charset - The character set to use for text. |
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| 416 | * Default is iso-8859-1 |
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| 417 | * head_charset - The character set to use for headers. |
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| 418 | * Default is iso-8859-1 |
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| 419 | * @return false|mixed The mime content |
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| 420 | */ |
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| 421 | public function get(array $build_params = null) |
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| 422 | { |
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| 423 | if (isset($build_params)) { |
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| 424 | foreach ($build_params as $key => $value) { |
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| 425 | $this->_build_params[$key] = $value; |
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| 426 | } |
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| 427 | } |
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| 428 | |||
| 429 | if (!empty($this->_html_images) && isset($this->_htmlbody)) { |
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| 430 | foreach ($this->_html_images as $value) { |
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| 431 | $this->_htmlbody = str_replace($value['name'], 'cid:' . $value['cid'], $this->_htmlbody); |
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| 432 | } |
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| 433 | } |
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| 434 | |||
| 435 | $null = null; |
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| 436 | $attachments = !empty($this->_parts); |
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| 437 | $html_images = !empty($this->_html_images); |
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| 438 | $html = !empty($this->_htmlbody); |
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| 439 | $text = (!$html and !empty($this->_txtbody)); |
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| 440 | |||
| 441 | switch (true) { |
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| 442 | case $text and !$attachments: |
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| 443 | $message = &$this->_addTextPart($null, $this->_txtbody); |
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| 444 | break; |
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| 445 | case !$text and !$html and $attachments: |
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| 446 | $message = &$this->_addMixedPart(); |
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| 447 | |||
| 448 | for ($i = 0, $iMax = count($this->_parts); $i < $iMax; ++$i) { |
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| 449 | $this->_addAttachmentPart($message, $this->_parts[$i]); |
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| 450 | } |
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| 451 | break; |
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| 452 | case $text and $attachments: |
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| 453 | $message = &$this->_addMixedPart(); |
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| 454 | $this->_addTextPart($message, $this->_txtbody); |
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| 455 | |||
| 456 | for ($i = 0, $iMax = count($this->_parts); $i < $iMax; ++$i) { |
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| 457 | $this->_addAttachmentPart($message, $this->_parts[$i]); |
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| 458 | } |
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| 459 | break; |
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| 460 | case $html and !$attachments and !$html_images: |
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| 461 | if (isset($this->_txtbody)) { |
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| 462 | $message = &$this->_addAlternativePart($null); |
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| 463 | $this->_addTextPart($message, $this->_txtbody); |
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| 464 | $this->_addHtmlPart($message); |
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| 465 | } else { |
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| 466 | $message = &$this->_addHtmlPart($null); |
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| 467 | } |
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| 468 | break; |
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| 469 | case $html and !$attachments and $html_images: |
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| 470 | if (isset($this->_txtbody)) { |
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| 471 | $message = &$this->_addAlternativePart($null); |
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| 472 | $this->_addTextPart($message, $this->_txtbody); |
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| 473 | $related = &$this->_addRelatedPart($message); |
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| 474 | } else { |
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| 475 | $message = &$this->_addRelatedPart($null); |
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| 476 | $related = &$message; |
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| 477 | } |
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| 478 | $this->_addHtmlPart($related); |
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| 479 | for ($i = 0, $iMax = count($this->_html_images); $i < $iMax; ++$i) { |
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| 480 | $this->_addHtmlImagePart($related, $this->_html_images[$i]); |
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| 481 | } |
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| 482 | break; |
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| 483 | case $html and $attachments and !$html_images: |
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| 484 | $message = &$this->_addMixedPart(); |
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| 485 | if (isset($this->_txtbody)) { |
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| 486 | $alt = &$this->_addAlternativePart($message); |
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| 487 | $this->_addTextPart($alt, $this->_txtbody); |
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| 488 | $this->_addHtmlPart($alt); |
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| 489 | } else { |
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| 490 | $this->_addHtmlPart($message); |
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| 491 | } |
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| 492 | for ($i = 0, $iMax = count($this->_parts); $i < $iMax; ++$i) { |
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| 493 | $this->_addAttachmentPart($message, $this->_parts[$i]); |
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| 494 | } |
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| 495 | break; |
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| 496 | case $html and $attachments and $html_images: |
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| 497 | $message = &$this->_addMixedPart(); |
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| 498 | if (isset($this->_txtbody)) { |
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| 499 | $alt = &$this->_addAlternativePart($message); |
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| 500 | $this->_addTextPart($alt, $this->_txtbody); |
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| 501 | $rel = &$this->_addRelatedPart($alt); |
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| 502 | } else { |
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| 503 | $rel = &$this->_addRelatedPart($message); |
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| 504 | } |
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| 505 | $this->_addHtmlPart($rel); |
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| 506 | for ($i = 0, $iMax = count($this->_html_images); $i < $iMax; ++$i) { |
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| 507 | $this->_addHtmlImagePart($rel, $this->_html_images[$i]); |
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| 508 | } |
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| 509 | for ($i = 0, $iMax = count($this->_parts); $i < $iMax; ++$i) { |
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| 510 | $this->_addAttachmentPart($message, $this->_parts[$i]); |
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| 511 | } |
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| 512 | break; |
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| 513 | } |
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| 514 | |||
| 515 | if (isset($message)) { |
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| 516 | $output = $message->encode(); |
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| 517 | $this->_headers = array_merge($this->_headers, $output['headers']); |
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| 518 | |||
| 519 | return $output['body']; |
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| 520 | } |
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| 521 | |||
| 522 | return false; |
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| 523 | } |
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| 524 | |||
| 525 | /** |
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| 526 | * Returns an array with the headers needed to prepend to the email |
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| 527 | * (MIME-Version and Content-Type). Format of argument is: |
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| 528 | * $array['header-name'] = 'header-value'; |
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| 529 | * |
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| 530 | * @param array|null $xtra_headers Assoc array with any extra headers. Optional. |
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| 531 | * @return array Assoc array with the mime headers |
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| 532 | */ |
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| 533 | public function headers(array $xtra_headers = null): array |
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| 534 | { |
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| 535 | // Content-Type header should already be present, |
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| 536 | // So just add mime version header |
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| 537 | $headers['MIME-Version'] = '1.0'; |
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| 538 | if (isset($xtra_headers)) { |
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| 539 | $headers = array_merge($headers, $xtra_headers); |
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| 540 | } |
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| 541 | $this->_headers = array_merge($headers, $this->_headers); |
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| 542 | |||
| 543 | return $this->_encodeHeaders($this->_headers); |
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| 544 | } |
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| 545 | |||
| 546 | /** |
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| 547 | * Get the text version of the headers |
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| 548 | * (usefull if you want to use the PHP mail() function) |
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| 549 | * |
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| 550 | * @param array|null $xtra_headers Assoc array with any extra headers. Optional. |
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| 551 | * @return string Plain text headers |
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| 552 | */ |
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| 553 | public function txtHeaders(array $xtra_headers = null): string |
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| 554 | { |
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| 555 | $headers = $this->headers($xtra_headers); |
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| 556 | $ret = ''; |
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| 557 | foreach ($headers as $key => $val) { |
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| 558 | $ret .= "$key: $val" . MAIL_MIME_CRLF; |
||
| 559 | } |
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| 560 | |||
| 561 | return $ret; |
||
| 562 | } |
||
| 563 | |||
| 564 | /** |
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| 565 | * Sets the Subject header |
||
| 566 | * |
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| 567 | * @param string $subject String to set the subject to |
||
| 568 | * access public |
||
| 569 | */ |
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| 570 | public function setSubject(string $subject): void |
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| 571 | { |
||
| 572 | $this->_headers['Subject'] = $subject; |
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| 573 | } |
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| 574 | |||
| 575 | /** |
||
| 576 | * Set an email to the From (the sender) header |
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| 577 | * |
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| 578 | * @param string $email The email direction to add |
||
| 579 | */ |
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| 580 | public function setFrom(string $email): void |
||
| 583 | } |
||
| 584 | |||
| 585 | /** |
||
| 586 | * Add an email to the Cc (carbon copy) header |
||
| 587 | * (multiple calls to this method is allowed) |
||
| 588 | * |
||
| 589 | * @param string $email The email direction to add |
||
| 590 | */ |
||
| 591 | public function addCc(string $email): void |
||
| 592 | { |
||
| 593 | if (isset($this->_headers['Cc'])) { |
||
| 594 | $this->_headers['Cc'] .= ", $email"; |
||
| 595 | } else { |
||
| 596 | $this->_headers['Cc'] = $email; |
||
| 597 | } |
||
| 598 | } |
||
| 599 | |||
| 600 | /** |
||
| 601 | * Add an email to the Bcc (blank carbon copy) header |
||
| 602 | * (multiple calls to this method is allowed) |
||
| 603 | * |
||
| 604 | * @param string $email The email direction to add |
||
| 605 | */ |
||
| 606 | public function addBcc(string $email): void |
||
| 612 | } |
||
| 613 | } |
||
| 614 | |||
| 615 | /** |
||
| 616 | * Encodes a header as per RFC2047 |
||
| 617 | * |
||
| 618 | * @param array $input The header data to encode |
||
| 619 | * @return array Encoded data |
||
| 620 | */ |
||
| 621 | public function _encodeHeaders(array $input): array |
||
| 635 |
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