1 | <?php |
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2 | /** |
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3 | * @package davical |
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4 | * @author Andrew McMillan <andrew@mcmillan.net.nz> |
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5 | * @copyright Catalyst .Net Ltd, Morphoss Ltd <http://www.morphoss.com/> |
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6 | * @license http://gnu.org/copyleft/gpl.html GNU GPL v2 or later |
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7 | */ |
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8 | |
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9 | if ( preg_match('{/always.php$}', $_SERVER['SCRIPT_NAME'] ) ) header('Location: index.php'); |
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10 | |
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11 | // Ensure the configuration starts out as an empty object. |
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12 | $c = (object) array(); |
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13 | $c->script_start_time = microtime(true); |
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14 | |
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15 | // Ditto for a few other global things |
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16 | unset($session); unset($request); unset($dbconn); unset($_awl_dbconn); unset($include_properties); |
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17 | |
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18 | // An ultra-simple exception handler to catch errors that occur |
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19 | // before we get a more functional exception handler in place... |
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20 | function early_exception_handler($e) { |
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21 | echo "Uncaught early exception: ", $e->getMessage(), "\nAt line ", $e->getLine(), " of ", $e->getFile(), "\n"; |
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22 | |
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23 | $trace = array_reverse($e->getTrace()); |
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24 | foreach( $trace AS $k => $v ) { |
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25 | printf( "=====================================================\n%s[%d] %s%s%s()\n", $v['file'], $v['line'], (isset($v['class'])?$v['class']:''), (isset($v['type'])?$v['type']:''), (isset($v['function'])?$v['function']:'') ); |
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26 | } |
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27 | } |
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28 | set_exception_handler('early_exception_handler'); |
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29 | |
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30 | // Default some of the configurable values |
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31 | $c->sysabbr = 'davical'; |
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32 | $c->admin_email = 'admin@davical.example.com'; |
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33 | $c->system_name = 'DAViCal CalDAV Server'; |
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34 | $c->domain_name = (isset($_SERVER['SERVER_NAME'])?$_SERVER['SERVER_NAME']:$_SERVER['SERVER_ADDR']); |
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35 | $c->save_time_zone_defs = true; |
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36 | $c->collections_always_exist = false; |
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37 | $c->allow_get_email_visibility = false; |
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38 | $c->permission_scan_depth = 2; |
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39 | $c->expand_pdo_parameters = true; |
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40 | $c->home_calendar_name = 'home'; |
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41 | $c->enable_row_linking = true; |
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42 | $c->enable_scheduling = false; |
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43 | $c->http_auth_mode = 'Basic'; |
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44 | // $c->default_locale = array('es_MX', 'es_AR', 'es', 'pt'); // An array of locales to try, or just a single locale |
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45 | // $c->local_tzid = 'Pacific/Auckland'; // Perhaps we should read from /etc/timezone - I wonder how standard that is? |
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46 | $c->default_locale = 'en'; |
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47 | $c->locale_path = '../locale'; |
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48 | $c->base_url = preg_replace('#/[^/]+\.php.*$#', '', $_SERVER['SCRIPT_NAME']); |
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49 | $c->base_directory = preg_replace('#/[^/]*$#', '', $_SERVER['DOCUMENT_ROOT']); |
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50 | $c->default_privileges = array('read-free-busy', 'schedule-deliver'); |
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51 | |
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52 | $c->stylesheets = array( $c->base_url.'/davical.css' ); |
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53 | $c->images = $c->base_url . '/images'; |
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54 | |
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55 | // Add a default for newly created users |
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56 | $c->template_usr = array( 'active' => true, |
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57 | 'locale' => 'en_GB', |
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58 | 'date_format_type' => 'E', |
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59 | 'email_ok' => date('Y-m-d') |
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60 | ); |
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61 | |
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62 | $c->hide_TODO = true; // VTODO only visible to collection owner |
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63 | $c->readonly_webdav_collections = true; // WebDAV access is readonly |
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64 | |
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65 | // Kind of private configuration values |
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66 | $c->total_query_time = 0; |
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67 | |
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68 | $c->dbg = array(); |
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69 | |
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70 | |
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71 | // Utilities |
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72 | if ( ! @include_once('AWLUtilities.php') ) { |
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73 | $try_paths = array( |
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74 | '../../awl/inc' |
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75 | , '/usr/share/awl/inc' |
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76 | , '/usr/local/share/awl/inc' |
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77 | ); |
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78 | foreach( $try_paths AS $awl_include_path ) { |
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79 | if ( @file_exists($awl_include_path.'/AWLUtilities.php') ) { |
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80 | set_include_path( $awl_include_path. PATH_SEPARATOR. get_include_path()); |
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81 | break; |
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82 | } |
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83 | } |
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84 | if ( ! @include_once('AWLUtilities.php') ) { |
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85 | echo "Could not find the AWL libraries. Are they installed? Check your include_path in php.ini!\n"; |
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86 | exit; |
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87 | } |
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88 | } |
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89 | |
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90 | // Ensure that ../inc is in our included paths as early as possible |
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91 | set_include_path( '../inc'. PATH_SEPARATOR. get_include_path()); |
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92 | |
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93 | |
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94 | /** We actually discovered this and worked around it earlier, but we can't log it until the utilties are loaded */ |
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95 | if ( !isset($_SERVER['SERVER_NAME']) ) { |
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96 | @dbg_error_log( 'WARN', "Your webserver is not setting the SERVER_NAME parameter. You may need to set \$c->domain_name in your configuration. Using IP address meanhwhile..." ); |
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97 | } |
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98 | |
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99 | /** |
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100 | * Calculate the simplest form of reference to this page, excluding the PATH_INFO following the script name. |
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101 | */ |
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102 | $c->protocol_server_port = sprintf( '%s://%s%s', |
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103 | (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on'? 'https' : 'http'), |
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104 | $_SERVER['SERVER_NAME'], |
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105 | ( |
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106 | ( (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != 'on') && $_SERVER['SERVER_PORT'] == 80 ) |
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107 | || (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' && $_SERVER['SERVER_PORT'] == 443 ) |
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108 | ? '' |
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109 | : ':'.$_SERVER['SERVER_PORT'] |
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110 | ) ); |
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111 | $c->protocol_server_port_script = $c->protocol_server_port . ($_SERVER['SCRIPT_NAME'] == '/index.php' ? '' : $_SERVER['SCRIPT_NAME']); |
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112 | |
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113 | |
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114 | /** |
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115 | * We use @file_exists because things like open_basedir might noisily deny |
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116 | * access which could break DAViCal completely by causing output to start |
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117 | * too early. |
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118 | */ |
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119 | ob_start( ); |
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120 | if ( @file_exists('/etc/davical/'.$_SERVER['SERVER_NAME'].'-conf.php') ) { |
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121 | include('/etc/davical/'.$_SERVER['SERVER_NAME'].'-conf.php'); |
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122 | } |
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123 | else if ( @file_exists('/etc/davical/config.php') ) { |
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124 | include('/etc/davical/config.php'); |
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125 | } |
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126 | else if ( @file_exists('/usr/local/etc/davical/'.$_SERVER['SERVER_NAME'].'-conf.php') ) { |
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127 | include('/usr/local/etc/davical/'.$_SERVER['SERVER_NAME'].'-conf.php'); |
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128 | } |
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129 | else if ( @file_exists('/usr/local/etc/davical/config.php') ) { |
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130 | include('/usr/local/etc/davical/config.php'); |
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131 | } |
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132 | else if ( @file_exists('../config/config.php') ) { |
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133 | include('../config/config.php'); |
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134 | } |
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135 | else if ( @file_exists('config/config.php') ) { |
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136 | include('config/config.php'); |
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137 | } |
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138 | else { |
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139 | include('davical_configuration_missing.php'); |
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140 | exit; |
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141 | } |
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142 | $config_warnings = trim(ob_get_contents()); |
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143 | ob_end_clean(); |
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144 | |
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145 | if ( !isset($c->page_title) ) $c->page_title = $c->system_name; |
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146 | |
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147 | if ( isset($_SERVER['HTTP_X_DAVICAL_TESTCASE']) ) { |
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148 | @dbg_error_log( 'LOG', '==========> Test case =%s=', $_SERVER['HTTP_X_DAVICAL_TESTCASE'] ); |
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149 | } |
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150 | else if ( isset($c->dbg['script_start']) && $c->dbg['script_start'] ) { |
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151 | // Only log this if more than a little debugging of some sort is turned on, somewhere |
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152 | @dbg_error_log( 'LOG', '==========> method =%s= =%s= =%s= =%s= =%s=', |
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153 | $_SERVER['REQUEST_METHOD'], $c->protocol_server_port_script, $_SERVER['PATH_INFO'], $c->base_url, $c->base_directory ); |
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154 | } |
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155 | |
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156 | /** |
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157 | * Now that we have loaded the configuration file we can switch to a |
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158 | * default site locale. This may be overridden by each user. |
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159 | */ |
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160 | putenv("LANG=". $c->default_locale); |
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161 | awl_set_locale($c->default_locale); |
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162 | init_gettext( 'davical', $c->locale_path ); |
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163 | |
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164 | /** |
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165 | * Work out our version |
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166 | * |
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167 | */ |
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168 | $c->code_version = 0; |
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169 | $c->version_string = '0.9.8.3'; // The actual version # is replaced into that during the build /release process |
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170 | if ( isset($c->version_string) && preg_match( '/(\d+)\.(\d+)\.(\d+)(.*)/', $c->version_string, $matches) ) { |
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171 | $c->code_major = $matches[1]; |
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172 | $c->code_minor = $matches[2]; |
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173 | $c->code_patch = $matches[3]; |
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174 | $c->code_version = (($c->code_major * 1000) + $c->code_minor).'.'.$c->code_patch; |
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175 | dbg_error_log('caldav', 'Version (%d.%d.%d) == %s', $c->code_major, $c->code_minor, $c->code_patch, $c->code_version); |
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176 | header( sprintf('Server: %d.%d', $c->code_major, $c->code_minor) ); |
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177 | } |
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178 | |
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179 | /** |
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180 | * Force the domain name to what was in the configuration file |
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181 | */ |
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182 | $_SERVER['SERVER_NAME'] = $c->domain_name; |
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183 | |
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184 | require_once('AwlQuery.php'); |
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185 | |
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186 | $c->want_dbversion = array(1,2,8); |
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187 | $c->schema_version = 0; |
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188 | $qry = new AwlQuery( 'SELECT schema_major, schema_minor, schema_patch FROM awl_db_revision ORDER BY schema_id DESC LIMIT 1;' ); |
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189 | if ( $qry->Exec('always',__LINE__,__FILE__) && $row = $qry->Fetch() ) { |
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190 | $c->schema_version = doubleval( sprintf( '%d%03d.%03d', $row->schema_major, $row->schema_minor, $row->schema_patch) ); |
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191 | $c->wanted_version = doubleval( sprintf( '%d%03d.%03d', $c->want_dbversion[0], $c->want_dbversion[1], $c->want_dbversion[2]) ); |
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192 | $c->schema_major = $row->schema_major; |
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193 | $c->schema_minor = $row->schema_minor; |
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194 | $c->schema_patch = $row->schema_patch; |
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195 | if ( $c->schema_version < $c->wanted_version ) { |
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196 | $c->messages[] = sprintf( 'Database schema needs upgrading. Current: %d.%d.%d, Desired: %d.%d.%d', |
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197 | $row->schema_major, $row->schema_minor, $row->schema_patch, $c->want_dbversion[0], $c->want_dbversion[1], $c->want_dbversion[2]); |
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198 | } |
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199 | if ( isset($_SERVER['HTTP_X_DAVICAL_TESTCASE']) ) $qry->QDo('SET TIMEZONE TO \'Pacific/Auckland\''); |
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200 | } |
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201 | |
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202 | |
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203 | $_known_users_name = array(); |
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204 | $_known_users_id = array(); |
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205 | $_known_users_pid = array(); |
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206 | |
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207 | function _davical_get_principal_query_cached( $where, $parameter ) { |
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208 | global $c, $session, $_known_users_name, $_known_users_id, $_known_users_pid; |
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209 | |
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210 | $sql = 'SELECT *, to_char(updated at time zone \'GMT\',\'Dy, DD Mon IYYY HH24:MI:SS "GMT"\') AS modified, principal.*, '; |
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211 | if ( isset($session->principal_id) ) { |
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212 | $sql .= 'pprivs(:session_principal::int8,principal.principal_id,:scan_depth::int) AS privileges '; |
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213 | $params = array( ':session_principal' => $session->principal_id, ':scan_depth' => $c->permission_scan_depth ); |
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214 | } |
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215 | else { |
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216 | $sql .= '0::BIT(24) AS privileges '; |
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217 | $params = array( ); |
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218 | } |
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219 | $sql .= 'FROM usr LEFT JOIN principal USING(user_no) WHERE '. $where; |
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220 | $params[':param'] = $parameter; |
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221 | |
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222 | $qry = new AwlQuery( $sql, $params ); |
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223 | if ( $qry->Exec('always',__LINE__,__FILE__) && $qry->rows() == 1 && $row = $qry->Fetch() ) { |
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224 | if ( isset($session->principal_id) ) { |
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225 | $_known_users_name[$row->username] = $row; |
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226 | $_known_users_id[$row->user_no] = $row; |
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227 | $_known_users_pid[$row->principal_id] = $row; |
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228 | } |
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229 | return $row; |
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230 | } |
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231 | |
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232 | return false; |
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233 | } |
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234 | |
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235 | /** |
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236 | * Return a user record identified by a username, caching it for any subsequent lookup |
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237 | * @param string $username The username of the record to retrieve |
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238 | * @param boolean $use_cache Whether or not to use the cache (default: yes) |
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239 | */ |
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240 | function getUserByName( $username, $use_cache = true ) { |
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241 | global $_known_users_name; |
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242 | |
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243 | if ( $use_cache && isset( $_known_users_name[$username] ) ) return $_known_users_name[$username]; |
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244 | return _davical_get_principal_query_cached( 'lower(username) = lower(:param)', $username ); |
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245 | } |
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246 | |
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247 | |
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248 | /** |
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249 | * Return a user record identified by e-mail address, caching it for any subsequent lookup |
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250 | * @param string $email The email address of the user record to retrieve |
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251 | * @param boolean $use_cache Whether or not to use the cache (default: yes) |
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252 | */ |
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253 | function getUserByEMail( $email, $use_cache = true ) { |
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254 | global $_known_users_name; |
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255 | |
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256 | if ( $use_cache ) { |
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257 | /** We don't actually maintain a cache-access by e-mail, since it's rare */ |
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258 | foreach( $_known_users_name AS $k => $v ) { |
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259 | if ( strtolower($email) == strtolower($v->email) ) return $v; |
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260 | } |
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261 | } |
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262 | return _davical_get_principal_query_cached( 'lower(email) = lower(:param)', $email ); |
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263 | } |
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264 | |
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265 | |
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266 | /** |
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267 | * Return a user record identified by a user_no, caching it for any subsequent lookup |
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268 | * @param int $user_no The ID of the record to retrieve |
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269 | * @param boolean $use_cache Whether or not to use the cache (default: yes) |
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270 | */ |
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271 | function getUserByID( $user_no, $use_cache = true ) { |
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272 | global $c, $session, $_known_users_id; |
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273 | |
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274 | if ( $use_cache && isset( $_known_users_id[$user_no] ) ) return $_known_users_id[$user_no]; |
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275 | return _davical_get_principal_query_cached( 'user_no = :param', $user_no ); |
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276 | } |
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277 | |
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278 | |
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279 | /** |
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280 | * Return a user record identified by a user_no, caching it for any subsequent lookup |
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281 | * @param int $user_no The ID of the record to retrieve |
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282 | * @param boolean $use_cache Whether or not to use the cache (default: yes) |
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283 | */ |
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284 | function getPrincipalByID( $principal_id, $use_cache = true ) { |
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285 | global $c, $session, $_known_users_pid; |
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286 | |
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287 | if ( $use_cache && isset( $_known_users_pid[$principal_id] ) ) return $_known_users_pid[$principal_id]; |
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288 | return _davical_get_principal_query_cached( 'principal_id = :param', $principal_id ); |
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289 | } |
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290 | |
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291 | |
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292 | /** |
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293 | * Return the HTTP status code description for a given code. Hopefully |
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294 | * this is an efficient way to code this. |
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295 | * @return string The text for a give HTTP status code, in english |
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296 | */ |
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297 | function getStatusMessage($status) { |
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298 | switch( $status ) { |
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299 | case 100: $ans = 'Continue'; break; |
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300 | case 101: $ans = 'Switching Protocols'; break; |
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301 | case 200: $ans = 'OK'; break; |
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302 | case 201: $ans = 'Created'; break; |
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303 | case 202: $ans = 'Accepted'; break; |
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304 | case 203: $ans = 'Non-Authoritative Information'; break; |
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305 | case 204: $ans = 'No Content'; break; |
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306 | case 205: $ans = 'Reset Content'; break; |
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307 | case 206: $ans = 'Partial Content'; break; |
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308 | case 207: $ans = 'Multi-Status'; break; |
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309 | case 300: $ans = 'Multiple Choices'; break; |
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310 | case 301: $ans = 'Moved Permanently'; break; |
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311 | case 302: $ans = 'Found'; break; |
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312 | case 303: $ans = 'See Other'; break; |
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313 | case 304: $ans = 'Not Modified'; break; |
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314 | case 305: $ans = 'Use Proxy'; break; |
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315 | case 307: $ans = 'Temporary Redirect'; break; |
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316 | case 400: $ans = 'Bad Request'; break; |
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317 | case 401: $ans = 'Unauthorized'; break; |
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318 | case 402: $ans = 'Payment Required'; break; |
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319 | case 403: $ans = 'Forbidden'; break; |
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320 | case 404: $ans = 'Not Found'; break; |
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321 | case 405: $ans = 'Method Not Allowed'; break; |
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322 | case 406: $ans = 'Not Acceptable'; break; |
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323 | case 407: $ans = 'Proxy Authentication Required'; break; |
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324 | case 408: $ans = 'Request Timeout'; break; |
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325 | case 409: $ans = 'Conflict'; break; |
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326 | case 410: $ans = 'Gone'; break; |
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327 | case 411: $ans = 'Length Required'; break; |
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328 | case 412: $ans = 'Precondition Failed'; break; |
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329 | case 413: $ans = 'Request Entity Too Large'; break; |
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330 | case 414: $ans = 'Request-URI Too Long'; break; |
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331 | case 415: $ans = 'Unsupported Media Type'; break; |
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332 | case 416: $ans = 'Requested Range Not Satisfiable'; break; |
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333 | case 417: $ans = 'Expectation Failed'; break; |
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334 | case 422: $ans = 'Unprocessable Entity'; break; |
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335 | case 423: $ans = 'Locked'; break; |
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336 | case 424: $ans = 'Failed Dependency'; break; |
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337 | case 500: $ans = 'Internal Server Error'; break; |
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338 | case 501: $ans = 'Not Implemented'; break; |
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339 | case 502: $ans = 'Bad Gateway'; break; |
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340 | case 503: $ans = 'Service Unavailable'; break; |
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341 | case 504: $ans = 'Gateway Timeout'; break; |
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342 | case 505: $ans = 'HTTP Version Not Supported'; break; |
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343 | default: $ans = 'Unknown HTTP Status Code '.$status; |
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344 | } |
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345 | return $ans; |
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346 | } |
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347 | |
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348 | |
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349 | /** |
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350 | * Construct a URL from the supplied dav_name. The URL will be urlencoded, |
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351 | * except for any '/' characters in it. |
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352 | * @param string $partial_path The part of the path after the script name |
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353 | */ |
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354 | function ConstructURL( $partial_path, $force_script = false ) { |
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355 | global $c; |
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356 | |
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357 | $partial_path = rawurlencode($partial_path); |
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358 | $partial_path = str_replace( '%2F', '/', $partial_path); |
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359 | |
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360 | if ( ! isset($c->_url_script_path) ) { |
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361 | $c->_url_script_path = (preg_match('#/$#', $c->protocol_server_port_script) ? 'caldav.php' : ''); |
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362 | $c->_url_script_path = $c->protocol_server_port_script . $c->_url_script_path; |
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363 | } |
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364 | |
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365 | $url = $c->_url_script_path; |
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366 | if ( $force_script ) { |
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367 | if ( ! preg_match( '#/caldav\.php$#', $url ) ) $url .= '/caldav.php'; |
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368 | } |
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369 | $url .= $partial_path; |
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370 | $url = preg_replace( '#^(https?://.+)//#', '$1/', $url ); // Ensure we don't double any '/' |
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371 | $url = preg_replace('#^https?://[^/]+#', '', $url ); // Remove any protocol + hostname portion |
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372 | |
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373 | return $url; |
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374 | } |
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375 | |
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376 | |
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377 | /** |
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378 | * Deconstruct a dav_name from the supplied URL. The dav_name will be urldecoded. |
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379 | * |
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380 | * @param string $partial_path The part of the path after the script name |
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381 | */ |
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382 | function DeconstructURL( $url, $force_script = false ) { |
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383 | global $c; |
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384 | |
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385 | $dav_name = rawurldecode($url); |
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386 | |
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387 | /** Allow a path like .../username/calendar.ics to translate into the calendar URL */ |
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388 | if ( preg_match( '#^(/[^/]+/[^/]+).ics$#', $dav_name, $matches ) ) { |
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389 | $dav_name = $matches[1]. '/'; |
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390 | } |
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391 | |
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392 | /** remove any leading protocol/server/port/prefix... */ |
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393 | if ( !isset($c->deconstruction_base_path) ) $c->deconstruction_base_path = ConstructURL('/'); |
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394 | if ( preg_match( '%^(.*?)'.str_replace('%', '\\%',$c->deconstruction_base_path).'(.*)$%', $dav_name, $matches ) ) { |
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395 | if ( $matches[1] == '' || $matches[1] == $c->protocol_server_port ) { |
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396 | $dav_name = $matches[2]; |
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397 | } |
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398 | } |
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399 | |
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400 | /** strip doubled slashes */ |
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401 | if ( strstr($dav_name,'//') ) $dav_name = preg_replace( '#//+#', '/', $dav_name); |
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402 | |
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403 | if ( substr($dav_name,0,1) != '/' ) $dav_name = '/'.$dav_name; |
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404 | |
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405 | return $dav_name; |
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406 | } |
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407 | |
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408 | |
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409 | /** |
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410 | * Convert a date from ISO format into the sad old HTTP format. |
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411 | * @param string $isodate The date to convert |
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412 | */ |
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413 | function ISODateToHTTPDate( $isodate ) { |
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414 | // Use strtotime since strptime is not available on Windows platform. |
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415 | return( gmstrftime('%a, %d %b %Y %T GMT', strtotime($isodate)) ); |
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416 | } |
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417 | |
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418 | /** |
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419 | * Convert a date into ISO format into the sparkly new ISO format. |
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420 | * @param string $indate The date to convert |
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421 | */ |
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422 | function DateToISODate( $indate ) { |
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423 | // Use strtotime since strptime is not available on Windows platform. |
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424 | return( date('c', strtotime($indate)) ); |
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425 | } |
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426 | |
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427 | /** |
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428 | * Given a privilege string, or an array of privilege strings, return a bit mask |
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429 | * of the privileges. |
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430 | * @param mixed $raw_privs The string (or array of strings) of privilege names |
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431 | * @return integer A bit mask of the privileges. |
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432 | */ |
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433 | define("DAVICAL_MAXPRIV", "65535"); |
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434 | define("DAVICAL_ADDRESSBOOK_MAXPRIV", "1023"); |
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435 | function privilege_to_bits( $raw_privs ) { |
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436 | $out_priv = 0; |
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437 | |
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438 | if ( gettype($raw_privs) == 'string' ) $raw_privs = array( $raw_privs ); |
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439 | |
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440 | if ( ! is_array($raw_privs) ) $raw_privs = array($raw_privs); |
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441 | |
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442 | foreach( $raw_privs AS $priv ) { |
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443 | $trim_priv = trim(strtolower(preg_replace( '/^.*:/', '', $priv))); |
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444 | switch( $trim_priv ) { |
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445 | case 'read' : $out_priv |= 1; break; |
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446 | case 'write-properties' : $out_priv |= 2; break; |
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447 | case 'write-content' : $out_priv |= 4; break; |
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448 | case 'unlock' : $out_priv |= 8; break; |
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449 | case 'read-acl' : $out_priv |= 16; break; |
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450 | case 'read-current-user-privilege-set' : $out_priv |= 32; break; |
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451 | case 'bind' : $out_priv |= 64; break; |
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452 | case 'unbind' : $out_priv |= 128; break; |
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453 | case 'write-acl' : $out_priv |= 256; break; |
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454 | case 'read-free-busy' : $out_priv |= 512; break; |
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455 | case 'schedule-deliver-invite' : $out_priv |= 1024; break; |
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456 | case 'schedule-deliver-reply' : $out_priv |= 2048; break; |
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457 | case 'schedule-query-freebusy' : $out_priv |= 4096; break; |
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458 | case 'schedule-send-invite' : $out_priv |= 8192; break; |
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459 | case 'schedule-send-reply' : $out_priv |= 16384; break; |
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460 | case 'schedule-send-freebusy' : $out_priv |= 32768; break; |
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461 | |
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462 | /** Aggregates of Privileges */ |
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463 | case 'write' : $out_priv |= 198; break; // 2 + 4 + 64 + 128 |
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464 | case 'schedule-deliver' : $out_priv |= 7168; break; // 1024 + 2048 + 4096 |
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465 | case 'schedule-send' : $out_priv |= 57344; break; // 8192 + 16384 + 32768 |
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466 | case 'all' : $out_priv = DAVICAL_MAXPRIV; break; |
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467 | default: |
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468 | dbg_error_log( 'ERROR', 'Cannot convert privilege of "%s" into bits.', $priv ); |
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469 | |
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470 | } |
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471 | } |
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472 | |
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473 | // 'all' will include future privileges |
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474 | if ( ($out_priv & DAVICAL_MAXPRIV) >= DAVICAL_MAXPRIV ) $out_priv = pow(2,24) - 1; |
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475 | return $out_priv; |
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476 | } |
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477 | |
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478 | |
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479 | /** |
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480 | * Given a bit mask of the privileges, will return an array of the |
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481 | * text values of privileges. |
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482 | * @param integer $raw_bits A bit mask of the privileges. |
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483 | * @return mixed The string (or array of strings) of privilege names |
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484 | */ |
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485 | function bits_to_privilege( $raw_bits, $resourcetype = 'resource' ) { |
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486 | $out_priv = array(); |
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487 | |
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488 | if ( is_string($raw_bits) ) { |
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489 | $raw_bits = bindec($raw_bits); |
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490 | } |
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491 | |
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492 | if ( ($raw_bits & DAVICAL_MAXPRIV) == DAVICAL_MAXPRIV ) $out_priv[] = 'all'; |
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493 | |
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494 | if ( ($raw_bits & 1) != 0 ) $out_priv[] = 'DAV::read'; |
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495 | if ( ($raw_bits & 8) != 0 ) $out_priv[] = 'DAV::unlock'; |
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496 | if ( ($raw_bits & 16) != 0 ) $out_priv[] = 'DAV::read-acl'; |
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497 | if ( ($raw_bits & 32) != 0 ) $out_priv[] = 'DAV::read-current-user-privilege-set'; |
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498 | if ( ($raw_bits & 256) != 0 ) $out_priv[] = 'DAV::write-acl'; |
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499 | if ( ($resourcetype == 'calendar' || $resourcetype == 'proxy') && ($raw_bits & 512) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:read-free-busy'; |
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500 | |
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501 | if ( ($raw_bits & 198) != 0 ) { |
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502 | if ( ($raw_bits & 198) == 198 ) $out_priv[] = 'DAV::write'; |
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503 | if ( ($raw_bits & 2) != 0 ) $out_priv[] = 'DAV::write-properties'; |
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504 | if ( ($raw_bits & 4) != 0 ) $out_priv[] = 'DAV::write-content'; |
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505 | if ( ($raw_bits & 64) != 0 ) $out_priv[] = 'DAV::bind'; |
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506 | if ( ($raw_bits & 128) != 0 ) $out_priv[] = 'DAV::unbind'; |
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507 | } |
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508 | |
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509 | if ( $resourcetype == 'schedule-inbox' && ($raw_bits & 7168) != 0 ) { |
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510 | if ( ($raw_bits & 7168) == 7168 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-deliver'; |
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511 | if ( ($raw_bits & 1024) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-deliver-invite'; |
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512 | if ( ($raw_bits & 2048) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-deliver-reply'; |
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513 | if ( ($raw_bits & 4096) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-query-freebusy'; |
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514 | } |
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515 | |
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516 | if ( $resourcetype == 'schedule-outbox' && ($raw_bits & 57344) != 0 ) { |
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517 | if ( ($raw_bits & 57344) == 57344 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-send'; |
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518 | if ( ($raw_bits & 8192) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-send-invite'; |
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519 | if ( ($raw_bits & 16384) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-send-reply'; |
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520 | if ( ($raw_bits & 32768) != 0 ) $out_priv[] = 'urn:ietf:params:xml:ns:caldav:schedule-send-freebusy'; |
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521 | } |
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522 | |
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523 | // dbg_error_log( 'DAVResource', ' Privilege bit "%s" is "%s".', $raw_bits, implode(', ', $out_priv) ); |
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524 | |
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525 | return $out_priv; |
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526 | } |
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527 | |
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528 | |
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529 | /** |
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530 | * Returns the array of privilege names converted into XMLElements |
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531 | */ |
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532 | function privileges_to_XML( $privilege_names, &$xmldoc=null ) { |
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533 | if ( !isset($xmldoc) && isset($GLOBALS['reply']) ) $xmldoc = $GLOBALS['reply']; |
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534 | $privileges = array(); |
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535 | foreach( $privilege_names AS $k ) { |
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536 | $privilege = new XMLElement('privilege'); |
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537 | if ( isset($xmldoc) ) |
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538 | $xmldoc->NSElement($privilege,$k); |
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539 | else |
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540 | $privilege->NewElement($k); |
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541 | $privileges[] = $privilege; |
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542 | } |
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543 | return $privileges; |
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544 | } |
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545 | |
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