1 | <?php |
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2 | /**************************************************************************\ |
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3 | * eGroupWare API - Validator * |
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4 | * This file written by Dave Hall <skwashd@phpgroupware.org> * |
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5 | * Copyright (C) 2003 Free Software Foundation * |
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6 | * -------------------------------------------------------------------------* |
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7 | * This library is part of the eGroupWare API * |
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8 | * http://www.egroupware.org/api * |
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9 | * ------------------------------------------------------------------------ * |
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10 | * This program is Free Software; you can redistribute it and/or modify it * |
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11 | * under the terms of the GNU General Public License as published by the * |
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12 | * Free Software Foundation; either version 2 of the License, or (at your * |
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13 | * option) any later version. * |
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14 | \**************************************************************************/ |
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15 | |
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16 | |
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17 | //NOTE This class still needs to be documented and the stubbed methods fixed! |
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18 | |
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19 | class validator |
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20 | { |
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21 | var $error; |
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22 | |
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23 | function clear_error () |
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24 | { |
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25 | $this->nonfree_call(); |
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26 | } |
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27 | |
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28 | /* check if string contains any whitespace */ |
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29 | function has_space ($text) |
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30 | { |
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31 | return ereg("( |\n|\t|\r)+", $text); |
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32 | } |
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33 | |
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34 | function chconvert ($fragment) |
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35 | { |
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36 | $this->nonfree_call(); |
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37 | } |
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38 | |
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39 | function get_perms ($fileName) |
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40 | { |
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41 | $this->nonfree_call(); |
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42 | } |
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43 | |
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44 | function is_sane ($filename) |
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45 | { |
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46 | $this->nonfree_call(); |
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47 | } |
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48 | |
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49 | /* strips all whitespace from a string */ |
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50 | function strip_space ($text) |
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51 | { |
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52 | return ereg_replace("( |\n|\t|\r)+", '', $text); |
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53 | } |
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54 | |
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55 | function is_allnumbers ($text) |
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56 | { |
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57 | $this->nonfree_call(); |
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58 | } |
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59 | |
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60 | function strip_numbers ($text) |
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61 | { |
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62 | $this->nonfree_call(); |
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63 | } |
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64 | |
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65 | function is_allletters ($text) |
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66 | { |
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67 | $this->nonfree_call(); |
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68 | } |
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69 | |
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70 | function strip_letters ($text) |
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71 | { |
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72 | $this->nonfree_call(); |
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73 | } |
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74 | |
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75 | function has_html ($text='') |
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76 | { |
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77 | return ($text != $this->strip_html($text)); |
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78 | } |
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79 | |
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80 | function strip_html ($text='') |
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81 | { |
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82 | return strip_tags($text); |
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83 | } |
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84 | |
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85 | function has_metas ($text='') |
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86 | { |
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87 | return ($text != $this->strip_metas($text)); |
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88 | } |
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89 | |
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90 | function strip_metas ($text = "") |
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91 | { |
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92 | $metas = array('$','^','*','(',')','+','[',']','.','?'); |
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93 | return str_replace($metas, '', stripslashes($text)); |
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94 | } |
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95 | |
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96 | function custom_strip ($Chars, $text = "") |
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97 | { |
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98 | $this->nonfree_call(); |
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99 | } |
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100 | |
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101 | function array_echo ($array, $name='Array') |
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102 | { |
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103 | echo '<pre>'; |
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104 | print_r($array); |
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105 | echo '<pre>'; |
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106 | } |
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107 | |
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108 | function is_email ($address='') |
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109 | { |
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110 | list($user, $domain) = explode('@', $address); |
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111 | |
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112 | if(!($user && $domain)) |
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113 | { |
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114 | return false; |
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115 | } |
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116 | |
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117 | if(!$this->has_space($user) && $this->is_host($domain)) |
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118 | { |
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119 | return true; |
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120 | } |
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121 | } |
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122 | |
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123 | function is_url ($url='') |
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124 | { |
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125 | //echo "Checking $url<br>"; |
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126 | $uris = array( |
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127 | 'ftp' => True, |
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128 | 'https' => True, |
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129 | 'http' => True, |
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130 | ); |
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131 | $url_elements = parse_url($url); |
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132 | |
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133 | //echo '<pre>'; |
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134 | //print_r($url_elements); |
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135 | //echo '</pre>'; |
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136 | |
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137 | if(!is_array($url_elements)) |
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138 | { |
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139 | return false; |
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140 | } |
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141 | |
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142 | //echo 'Scheme ' . $url_elements['scheme']; |
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143 | if(@$uris[$url_elements['scheme']]) |
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144 | { |
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145 | //echo ' is valid<br>host ' . $url_elements['host']; |
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146 | if( eregi("[a-z]", $url_elements['host']) ) |
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147 | { |
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148 | //echo ' is name<br>'; |
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149 | return $this->is_hostname($url_elements['host']); |
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150 | } |
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151 | else |
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152 | { |
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153 | //echo ' is ip<br>'; |
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154 | return $this->is_ipaddress($url_elements['host']); |
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155 | } |
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156 | } |
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157 | else |
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158 | { |
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159 | //echo ' is invalid<br>'; |
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160 | return $false; |
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161 | } |
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162 | |
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163 | } |
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164 | |
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165 | //the url may be valid, but this method can't test all types |
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166 | function url_responds ($url='') |
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167 | { |
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168 | if(!$this->is_url($url)) |
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169 | { |
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170 | return false; |
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171 | } |
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172 | |
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173 | $fp=@fopen($url); |
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174 | if($fp) |
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175 | { |
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176 | fclose($fp); |
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177 | return true; |
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178 | } |
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179 | else |
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180 | { |
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181 | return false; |
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182 | } |
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183 | } |
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184 | |
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185 | function is_phone ($Phone='') |
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186 | { |
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187 | $this->nonfree_call(); |
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188 | } |
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189 | |
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190 | function is_hostname ($hostname='') |
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191 | { |
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192 | //echo "Checking $hostname<br>"; |
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193 | $segs = explode('.', $hostname); |
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194 | if(is_array($segs)) |
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195 | { |
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196 | foreach($segs as $seg) |
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197 | { |
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198 | //echo "Checking $seg<br>"; |
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199 | if(eregi("[a-z0-9\-]{0,62}",$seg)) |
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200 | { |
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201 | $return = True; |
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202 | } |
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203 | |
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204 | if(!$return) |
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205 | { |
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206 | return False; |
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207 | } |
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208 | } |
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209 | return True; |
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210 | } |
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211 | return False; |
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212 | } |
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213 | |
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214 | function is_bigfour ($tld) |
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215 | { |
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216 | $this->nonfree_call(); |
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217 | } |
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218 | |
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219 | function is_host ($hostname='', $type='ANY') |
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220 | { |
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221 | if($this->is_hostname($hostname)) |
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222 | { |
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223 | return checkdnsrr($hostname, $type); |
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224 | } |
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225 | else |
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226 | { |
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227 | return false; |
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228 | } |
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229 | |
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230 | } |
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231 | |
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232 | function is_ipaddress ($ip='') |
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233 | { |
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234 | if(strlen($ip) <= 15) |
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235 | { |
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236 | $segs = explode('.', $ip); |
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237 | if(count($segs) != 4) |
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238 | { |
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239 | return false; |
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240 | } |
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241 | foreach($segs as $seg) |
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242 | { |
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243 | if( ($seg < 0) || ($seg >= 255) ) |
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244 | { |
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245 | return false; |
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246 | } |
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247 | } |
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248 | return true; |
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249 | } |
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250 | else |
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251 | { |
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252 | return false; |
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253 | } |
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254 | } |
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255 | |
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256 | function ip_resolves ($ip='') |
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257 | { |
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258 | if($this->is_ipaddress($ip)) |
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259 | { |
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260 | return !strcmp($hostname, gethostbyaddr($ip)); |
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261 | } |
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262 | else |
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263 | { |
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264 | return false; |
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265 | } |
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266 | } |
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267 | |
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268 | function browser_gen () |
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269 | { |
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270 | $this->nonfree_call(); |
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271 | } |
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272 | |
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273 | function is_state ($State = "") |
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274 | { |
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275 | $this->nonfree_call(); |
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276 | } |
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277 | |
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278 | function is_zip ($zipcode = "") |
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279 | { |
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280 | $this->nonfree_call(); |
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281 | } |
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282 | |
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283 | function is_country ($countrycode='') |
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284 | { |
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285 | $this->nonfree_call(); |
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286 | } |
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287 | |
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288 | function nonfree_call() |
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289 | { |
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290 | echo 'class.validator.inc.php used to contain code that was not Free '; |
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291 | echo 'Software (<a href="(http://www.gnu.org/philosophy/free-sw.html">see '; |
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292 | echo 'definition</a> , therefore it has been removed. <br><br>'; |
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293 | echo 'If you are a application maintainer, please update your app. '; |
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294 | echo 'If you are a user, please file a bug report on '; |
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295 | echo '<a href="http://sourceforge.net/projects/egroupwaregroup">'; |
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296 | echo 'our project page at sourceforge.net</a>. Please copy and paste '; |
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297 | echo 'the following information into the bug report:<br>'; |
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298 | echo '<b>Summary<b>: ' . $GLOBALS['phpgw_info']['flags']['currentapp']; |
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299 | echo 'calls class.validator.inc.php'; |
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300 | echo 'Information:<br> The call was found when calling: ' . $_SERVER['QUERY_STRING']; |
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301 | echo '<br><br>This application will now halt!<br><br>'; |
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302 | echo '<a href="'. $GLOBALS['phpgw']->link('/home.php') .'">Return to Home Screen</a>'; |
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303 | exit; |
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304 | } |
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305 | } |
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306 | ?> |
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