1 | <?php |
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2 | /** |
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3 | * Classe que manipula e gerencia toda a parte de anexos. |
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4 | * |
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5 | * @package ExpressoMail |
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6 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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7 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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8 | * @author Cristiano Correa |
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9 | */ |
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10 | |
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11 | class attachment |
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12 | { |
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13 | /* |
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14 | * Globals variables |
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15 | */ |
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16 | var $mbox; |
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17 | var $imap_port; |
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18 | var $has_cid; |
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19 | var $imap_options; |
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20 | var $imap_sentfolder; |
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21 | var $msgNumber; |
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22 | var $folder; |
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23 | var $structure; |
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24 | var $decodeConf; |
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25 | //------------------------------------------// |
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26 | |
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27 | /** |
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28 | * Constructor |
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29 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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30 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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31 | * @param string $folder Imap folder name |
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32 | * @param integer $msgNumber Imap menssagem number |
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33 | */ |
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34 | function attachment() |
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35 | { |
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36 | /* |
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37 | * Requires |
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38 | */ |
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39 | require_once dirname(__FILE__).'/../../library/mime/mimePart.php'; |
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40 | require_once dirname(__FILE__).'/../../library/mime/mimeDecode.php'; |
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41 | //----------------------------------------------------------// |
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42 | |
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43 | $this->decodeConf['include_bodies'] = true; |
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44 | $this->decodeConf['decode_bodies'] = true; |
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45 | $this->decodeConf['decode_headers'] = true; |
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46 | |
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47 | if( array_key_exists('nested_messages_are_shown', $_SESSION['phpgw_info']['user']['preferences']['expressoMail']) && ($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['nested_messages_are_shown'] == '1')) |
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48 | $this->decodeConf['rfc_822bodies'] = true; |
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49 | } |
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50 | //----------------------------------------------------------------------------// |
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51 | |
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52 | |
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53 | |
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54 | /** |
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55 | * Open mail from Imap and parse structure |
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56 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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57 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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58 | * @return string menssagem |
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59 | */ |
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60 | public function setStructureFromMail($folder,$msgNumber) |
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61 | { |
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62 | $this->folder = mb_convert_encoding($folder, 'UTF7-IMAP',mb_detect_encoding($folder.'x', 'UTF-8, ISO-8859-1')); |
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63 | $this->msgNumber = $msgNumber; |
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64 | $this->username = $_SESSION['phpgw_info']['expressomail']['user']['userid']; |
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65 | $this->password = $_SESSION['phpgw_info']['expressomail']['user']['passwd']; |
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66 | $this->imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer']; |
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67 | $this->imap_port = $_SESSION['phpgw_info']['expressomail']['email_server']['imapPort']; |
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68 | $this->imap_delimiter = $_SESSION['phpgw_info']['expressomail']['email_server']['imapDelimiter']; |
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69 | $this->imap_sentfolder = $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSentFolder'] ? $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSentFolder'] : str_replace("*","", $this->functions->getLang("Sent")); |
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70 | $this->has_cid = false; |
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71 | |
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72 | if ($_SESSION['phpgw_info']['expressomail']['email_server']['imapTLSEncryption'] == 'yes') |
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73 | $this->imap_options = '/tls/novalidate-cert'; |
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74 | else |
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75 | $this->imap_options = '/notls/novalidate-cert'; |
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76 | |
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77 | $this->mbox = @imap_open("{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$this->folder , $this->username, $this->password) or die('Error'); |
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78 | |
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79 | $rawMessageData = $this->_getRaw(); |
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80 | $decoder = new Mail_mimeDecode($rawMessageData); |
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81 | $this->structure = $decoder->decode($this->decodeConf); |
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82 | |
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83 | //TODO: Descartar código após atualização do módulo de segurança da SERPRO |
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84 | if($this->isSignedMenssage()) |
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85 | $this->convertSignedMenssage($rawMessageData); |
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86 | ////////////////////////////////////////////////////// |
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87 | |
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88 | |
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89 | /* |
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90 | * Clean memory and close imap connection |
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91 | */ |
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92 | $rawMessageData = null; |
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93 | $decoder = null; |
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94 | @imap_close($this->mbox); |
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95 | //-----------------------------------------// |
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96 | } |
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97 | |
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98 | //TODO: Descartar código após atualização do módulo de segurança da SERPRO |
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99 | private function isSignedMenssage() |
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100 | { |
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101 | if(strtolower($this->structure->ctype_primary) == 'application' && strtolower($this->structure->ctype_secondary) == 'x-pkcs7-mime' ) |
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102 | return true; |
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103 | else |
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104 | return false; |
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105 | } |
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106 | ////////////////////////////////////////////////////////////////////////// |
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107 | |
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108 | //TODO: Descartar código após atualização do módulo de segurança da SERPRO |
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109 | private function convertSignedMenssage($rawMessageData) |
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110 | { |
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111 | $decoder = new Mail_mimeDecode($this->extractSignedContents($rawMessageData)); |
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112 | $this->structure = $decoder->decode($this->decodeConf); |
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113 | } |
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114 | /////////////////////////////////////////////////////////////////////////// |
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115 | |
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116 | //TODO: Descartar código após atualização do módulo de segurança da SERPRO |
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117 | private function extractSignedContents( $data ) |
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118 | { |
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119 | $pipes_desc = array( |
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120 | 0 => array('pipe', 'r'), |
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121 | 1 => array('pipe', 'w') |
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122 | ); |
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123 | |
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124 | $fp = proc_open( 'openssl smime -verify -noverify -nochain', $pipes_desc, $pipes); |
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125 | if (!is_resource($fp)) { |
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126 | return false; |
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127 | } |
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128 | |
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129 | $output = ''; |
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130 | |
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131 | /* $pipes[0] => writeable handle connected to child stdin |
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132 | $pipes[1] => readable handle connected to child stdout */ |
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133 | fwrite($pipes[0], $data); |
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134 | fclose($pipes[0]); |
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135 | |
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136 | while (!feof($pipes[1])) { |
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137 | $output .= fgets($pipes[1], 1024); |
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138 | } |
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139 | fclose($pipes[1]); |
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140 | proc_close($fp); |
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141 | |
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142 | return $output; |
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143 | } |
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144 | ///////////////////////////////////////////////////////////////////////////////////// |
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145 | |
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146 | /** |
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147 | * Set Stucture from Mail_mimeDecode Structure |
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148 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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149 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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150 | * @param Mail_mimeDecode $structure |
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151 | */ |
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152 | public function setStructure($structure) |
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153 | { |
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154 | $this->structure = $structure; |
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155 | } |
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156 | |
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157 | /** |
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158 | * Set Stucture from raw mail code |
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159 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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160 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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161 | * @param Mail_mimeDecode $structure |
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162 | */ |
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163 | public function setStructureFromRawMail($rawMail) |
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164 | { |
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165 | $decoder = new Mail_mimeDecode($rawMail); |
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166 | $this->structure = $decoder->decode($this->decodeConf); |
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167 | |
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168 | //TODO: Descartar código após atualização do módulo de segurança da SERPRO |
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169 | if($this->isSignedMenssage()) |
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170 | $this->convertSignedMenssage($rawMail); |
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171 | ////////////////////////////////////////////////////////////////////////// |
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172 | } |
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173 | |
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174 | /** |
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175 | * Returns Attachment Decoded |
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176 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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177 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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178 | * @param string $partNumber Index part |
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179 | * @return string Attachment Decoded |
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180 | */ |
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181 | public function getAttachment($partNumber) |
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182 | { |
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183 | $partContent = ''; |
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184 | $this->_getPartContent($this->structure, $partNumber, $partContent); |
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185 | return $partContent; |
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186 | } |
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187 | |
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188 | /** |
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189 | * Returns EmbeddedImages Infos |
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190 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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191 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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192 | * @return array EmbeddedImages |
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193 | */ |
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194 | public function getEmbeddedImagesInfo() |
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195 | { |
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196 | $imagesEmbedded = array(); |
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197 | $this->_getEmbeddedImagesInfo($this->structure,$imagesEmbedded); |
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198 | return $imagesEmbedded; |
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199 | } |
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200 | |
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201 | /** |
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202 | * Returns Attachments Infos |
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203 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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204 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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205 | * @return array |
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206 | */ |
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207 | public function getAttachmentsInfo() |
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208 | { |
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209 | $attachments = array(); |
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210 | $this->_getAttachmentsInfo($this->structure,$attachments); |
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211 | return $attachments; |
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212 | } |
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213 | |
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214 | /** |
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215 | * Returns Attachment Info |
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216 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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217 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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218 | * @param string $partNumber Index part |
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219 | * @return array |
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220 | */ |
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221 | public function getAttachmentInfo($partNumber) |
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222 | { |
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223 | $attachment = array(); |
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224 | $this->_getPartInfo($this->structure,$partNumber,$attachment); |
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225 | return $attachment[0]; |
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226 | } |
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227 | |
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228 | /** |
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229 | * returns the source code menssagem |
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230 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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231 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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232 | * @return string menssagem |
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233 | */ |
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234 | private function _getRaw() |
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235 | { |
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236 | /* |
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237 | * Chamada original imap_fetchheader($this->mbox, $this->msgNumber, FT_UID)."\r\n".imap_body($this->mbox, $this->msgNumber, FT_UID); |
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238 | * Inserido replace para corrigir um bug que acontece raramente em mensagens vindas do outlook com muitos destinatarios |
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239 | */ |
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240 | return str_replace("\r\n\t", '', imap_fetchheader($this->mbox, $this->msgNumber, FT_UID))."\r\n".imap_body($this->mbox, $this->msgNumber, FT_UID); |
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241 | } |
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242 | |
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243 | /** |
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244 | * Returns content from the searched |
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245 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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246 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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247 | * @param pointer $structure Structure object |
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248 | * @param string $soughtIndex |
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249 | * @param pointer $body Content |
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250 | * @param string $pIndex |
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251 | */ |
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252 | private function _getPartContent(&$structure, $soughtIndex,&$body,$pIndex = '0') |
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253 | { |
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254 | if($structure->parts) |
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255 | { |
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256 | foreach ($structure->parts as $index => $part) |
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257 | { |
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258 | if(strtolower($part->ctype_primary) == 'multipart') |
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259 | $this->_getPartContent($part,$soughtIndex,$body,$pIndex.'.'.$index); |
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260 | else |
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261 | { |
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262 | if(strtolower($part->ctype_primary) == 'message' && is_array($part->parts) && $this->decodeConf['rfc_822bodies'] !== true ) |
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263 | $this->_getPartContent($part,$soughtIndex,$body,$pIndex.'.'.$index); |
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264 | else |
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265 | { |
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266 | $currentIndex = $pIndex.'.'.$index; |
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267 | if($currentIndex === $soughtIndex) |
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268 | { |
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269 | $body = $part->body; |
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270 | break; |
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271 | } |
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272 | } |
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273 | } |
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274 | } |
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275 | } |
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276 | else if($soughtIndex == '0') |
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277 | $body = $structure->body; |
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278 | } |
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279 | |
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280 | /** |
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281 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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282 | * @author Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br) |
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283 | */ |
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284 | private function _getPartInfo(&$structure, $soughtIndex,&$info,$pIndex = '0') |
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285 | { |
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286 | |
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287 | if($structure->parts) |
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288 | { |
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289 | foreach ($structure->parts as $index => $part) |
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290 | { |
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291 | if(strtolower($part->ctype_primary) == 'multipart') |
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292 | $this->_getPartInfo($part,$soughtIndex,$info,$pIndex.'.'.$index); |
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293 | else |
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294 | { |
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295 | if(strtolower($part->ctype_primary) == 'message' && is_array($part->parts) && $this->decodeConf['rfc_822bodies'] !== true) |
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296 | $this->_getPartInfo($part,$soughtIndex,$info,$pIndex.'.'.$index); |
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297 | else |
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298 | { |
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299 | $currentIndex = $pIndex.'.'.$index; |
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300 | if($currentIndex === $soughtIndex) |
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301 | { |
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302 | $this->_pushAttachmentsInfo($part,$info,$currentIndex); |
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303 | break; |
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304 | } |
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305 | } |
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306 | } |
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307 | } |
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308 | }else if($soughtIndex == '0') |
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309 | $this->_pushAttachmentsInfo($structure,$info); |
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310 | } |
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311 | |
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312 | |
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313 | |
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314 | /** |
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315 | * Write in $attachments, array with the information of attachments |
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316 | * @param <type> $structure |
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317 | * @param <type> $attachments |
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318 | */ |
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319 | private function _getAttachmentsInfo($structure, &$attachments, $pIndex = '0') |
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320 | { |
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321 | |
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322 | if(isset($structure->parts)) |
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323 | { |
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324 | foreach ($structure->parts as $index => $part) |
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325 | { |
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326 | if(strtolower($part->ctype_primary) == 'multipart') |
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327 | $this->_getAttachmentsInfo($part,$attachments,$pIndex.'.'.$index); |
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328 | else |
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329 | { |
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330 | if(strtolower($part->ctype_primary) == 'message' && is_array($part->parts) && $this->decodeConf['rfc_822bodies'] !== true) |
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331 | $this->_getAttachmentsInfo($part,$attachments,$pIndex.'.'.$index); |
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332 | else |
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333 | { |
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334 | if(!$part->headers['content-transfer-encoding']) //Caso não esteja especificado a codificação |
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335 | $part->headers['content-transfer-encoding'] = mb_detect_encoding ($part->body,array('BASE64','Quoted-Printable','7bit','8bit','ASCII')); |
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336 | if($part->headers['content-transfer-encoding'] === ('ASCII' || false)) //Caso a codificação retorne ascii ou false especifica como base64 |
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337 | $part->headers['content-transfer-encoding'] = 'base64'; |
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338 | |
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339 | $this->_pushAttachmentsInfo($part,$attachments,$pIndex.'.'.$index); |
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340 | |
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341 | } |
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342 | } |
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343 | } |
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344 | } |
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345 | else |
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346 | $this->_pushAttachmentsInfo($structure,$attachments); |
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347 | |
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348 | } |
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349 | |
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350 | |
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351 | /** |
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352 | * Write in $$attachments, array with the information of attachment |
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353 | * @param <type> $structure |
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354 | * @param <type> $attachments |
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355 | * @param <type> $pIndex |
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356 | */ |
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357 | private function _pushAttachmentsInfo(&$structure, &$attachments, $pIndex = '0') |
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358 | { |
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359 | $name = ''; |
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360 | if((isset($structure->d_parameters['filename']))&& ($structure->d_parameters['filename'])) $name = $structure->d_parameters['filename']; |
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361 | else if((isset($structure->ctype_parameters['name']))&&($structure->ctype_parameters['name'])) $name = $structure->ctype_parameters['name']; |
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362 | else if(strtolower($structure->ctype_primary) == 'text' && strtolower($structure->ctype_secondary) == 'calendar') $name = 'calendar.ics'; |
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363 | |
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364 | //Attachments com nomes grandes são quebrados em varias partes VER RFC2231 |
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365 | if( !$name && isset($structure->disposition) && (strtolower($structure->disposition) === 'attachment' || strtolower($structure->ctype_primary) == 'image' || strtolower($structure->ctype_primary.'/'.$structure->ctype_secondary) == 'application/octet-stream')) |
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366 | foreach ($structure->d_parameters as $i => $v) |
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367 | if(strpos($i , 'filename') !== false) |
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368 | $name .= urldecode(str_ireplace(array('ISO-8859-1','UTF-8','US-ASCII'),'',$v)); |
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369 | if( !$name && isset($structure->disposition) && (strtolower($structure->disposition) === 'attachment' || strtolower($structure->ctype_primary) == 'image' || strtolower($structure->ctype_primary.'/'.$structure->ctype_secondary) == 'application/octet-stream') ) |
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370 | foreach ($structure->ctype_parameters as $i => $v) |
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371 | if(strpos($i , 'name') !== false) |
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372 | $name .= urldecode(str_ireplace(array('ISO-8859-1','UTF-8','US-ASCII'),'',$v)); |
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373 | //////////////////////////////////////////////////////////////////////////////////// |
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374 | |
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375 | |
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376 | if($structure->ctype_primary == 'message') { |
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377 | $attach = new attachment(); |
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378 | $attach->setStructureFromRawMail($structure->body); |
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379 | |
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380 | if (!$name) |
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381 | $name = (isset($attach->structure->headers['subject'])) ? $attach->structure->headers['subject'] : 'no title'; |
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382 | |
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383 | if (!preg_match("/\.eml$/", $name)) |
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384 | $name .= '.eml'; |
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385 | } |
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386 | |
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387 | if(!$name && strtolower($structure->ctype_primary) == 'image') |
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388 | { |
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389 | if(strlen($structure->ctype_secondary) === 3) |
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390 | $ext = strtolower($structure->ctype_secondary); |
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391 | |
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392 | $name = 'Embedded-Image.'.$ext; |
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393 | } |
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394 | |
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395 | if($name) |
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396 | { |
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397 | $codificao = mb_detect_encoding($name.'x', 'UTF-8, ISO-8859-1'); |
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398 | if($codificao == 'UTF-8') $name = utf8_decode($name); |
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399 | |
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400 | $definition['pid'] = $pIndex; |
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401 | $definition['name'] = addslashes(mb_convert_encoding($name, "ISO-8859-1")); |
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402 | $definition['encoding'] = $structure->headers['content-transfer-encoding']; |
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403 | $definition['type'] = strtolower($structure->ctype_primary).'/'.strtolower($structure->ctype_secondary); |
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404 | $definition['fsize'] = mb_strlen($structure->body, $structure->headers['content-transfer-encoding']); |
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405 | |
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406 | array_push($attachments, $definition); |
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407 | } |
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408 | } |
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409 | |
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410 | |
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411 | |
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412 | |
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413 | |
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414 | |
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415 | /** |
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416 | * Write in $images, array with the information of Embedded Images |
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417 | * @param <type> $structure |
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418 | * @param <type> $attachments |
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419 | */ |
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420 | private function _getEmbeddedImagesInfo($structure, &$images, $pIndex = '0') |
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421 | { |
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422 | if(isset($structure->parts)) |
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423 | foreach ($structure->parts as $index => $part) |
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424 | { |
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425 | if(strtolower($part->ctype_primary) == 'multipart') |
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426 | $this->_getEmbeddedImagesInfo($part,$images,$pIndex.'.'.$index); |
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427 | else |
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428 | { |
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429 | if(strtolower($part->ctype_primary) == 'message' && is_array($part->parts) && $this->decodeConf['rfc_822bodies'] !== true) |
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430 | $this->_getEmbeddedImagesInfo($part,$images,$pIndex.'.'.$index); |
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431 | else |
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432 | { |
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433 | if(is_array($part->ctype_parameters) && !array_key_exists('name', $part->ctype_parameters)) |
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434 | if(isset($part->d_parameters['filename'])) |
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435 | $name = $part->d_parameters['filename']; |
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436 | else |
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437 | $name = null; |
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438 | else |
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439 | $name = $part->ctype_parameters['name']; |
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440 | |
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441 | //Attachments com nomes grandes são quebrados em varias partes VER RFC2231 |
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442 | if( !$name && isset($part->disposition) && (strtolower($part->disposition) === 'attachment' || strtolower($part->ctype_primary) == 'image' || strtolower($part->ctype_primary.'/'.$part->ctype_secondary) == 'application/octet-stream') ) |
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443 | foreach ($part->d_parameters as $i => $v) |
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444 | if(strpos($i , 'filename') !== false) |
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445 | $name .= urldecode(str_ireplace(array('ISO-8859-1','UTF-8','US-ASCII'),'',$v)); |
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446 | if( !$name && isset($part->disposition) && (strtolower($part->disposition) === 'attachment' || strtolower($part->ctype_primary) == 'image' || strtolower($part->ctype_primary.'/'.$part->ctype_secondary) == 'application/octet-stream') ) |
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447 | foreach ($part->ctype_parameters as $i => $v) |
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448 | if(strpos($i , 'name') !== false) |
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449 | $name .= urldecode(str_ireplace(array('ISO-8859-1','UTF-8','US-ASCII'),'',$v)); |
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450 | //////////////////////////////////////////////////////////////////////////////////// |
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451 | |
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452 | if($name && (strlen($name) - (strrpos($name, '.')+1) === 3 )) |
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453 | $ext = strtolower(substr ( $name , (strrpos($name, '.')+1) )); |
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454 | else if(strlen($structure->ctype_secondary) === 3) |
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455 | $ext = strtolower($structure->ctype_secondary); |
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456 | |
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457 | if(!$name && strtolower($structure->ctype_primary) == 'image') $name = 'Embedded-Image.'.$ext; |
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458 | |
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459 | $ctype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary); |
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460 | |
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461 | if(strtolower($part->ctype_primary) == 'image' || ($ctype == 'application/octet-stream' && ($ext == 'png' || $ext == 'jpg' || $ext == 'gif' || $ext == 'bmp' || $ext == 'tif'))) |
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462 | { |
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463 | $definition['pid'] = $pIndex.'.'.$index; |
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464 | $definition['name'] = addslashes($name); |
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465 | $definition['type'] = $ctype; |
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466 | $definition['encoding'] = isset($part->headers['content-transfer-encoding']) ? $part->headers['content-transfer-encoding'] : 'base64'; |
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467 | $definition['cid'] = isset($part->headers['content-id']) ? $part->headers['content-id'] : ''; |
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468 | array_push($images, $definition); |
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469 | } |
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470 | } |
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471 | } |
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472 | } |
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473 | } |
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474 | |
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475 | } |
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476 | |
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477 | ?> |
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