1 | <?php |
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2 | /** |
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3 | * An object representing a DAV 'ticket' |
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4 | * |
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5 | * @package davical |
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6 | * @subpackage DAVTicket |
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7 | * @author Andrew McMillan <andrew@mcmillan.net.nz> |
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8 | * @copyright Morphoss Ltd |
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9 | * @license http://gnu.org/copyleft/gpl.html GNU GPL v3 or later |
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10 | */ |
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11 | |
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12 | require_once('AwlQuery.php'); |
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13 | |
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14 | |
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15 | /** |
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16 | * A class for things to do with a DAV Ticket |
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17 | * |
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18 | * @package davical |
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19 | */ |
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20 | class DAVTicket |
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21 | { |
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22 | /** |
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23 | * @var The ID of the ticket |
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24 | */ |
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25 | private $ticket_id; |
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26 | |
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27 | /** |
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28 | * @var dav_name |
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29 | */ |
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30 | private $dav_name; |
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31 | |
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32 | /** |
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33 | * @var The collection_id of/containing the ticketed resource |
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34 | */ |
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35 | private $target_collection_id; |
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36 | |
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37 | /** |
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38 | * @var The resource_id of the ticketed resource, if it is not a collection |
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39 | */ |
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40 | private $target_resource_id; |
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41 | |
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42 | /** |
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43 | * @var The expiry of the ticket |
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44 | */ |
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45 | private $expiry; |
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46 | |
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47 | /** |
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48 | * @var The ID of the principal who owns this ticket |
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49 | */ |
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50 | private $dav_owner_id; |
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51 | |
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52 | /** |
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53 | * @var A bit mask representing the privileges provided by this ticket |
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54 | */ |
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55 | private $privileges; |
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56 | |
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57 | /** |
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58 | * @var A bit mask representing the privileges granted to the ticket owner to the collection (or container of this) resource. |
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59 | */ |
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60 | private $grantor_collection_privileges; |
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61 | |
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62 | /** |
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63 | * Constructor |
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64 | * @param string $ticket_id |
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65 | */ |
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66 | function __construct( $ticket_id ) { |
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67 | global $c; |
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68 | |
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69 | $this->dav_name = null; |
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70 | $this->target_collection_id = null; |
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71 | $this->target_resource_id = null; |
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72 | $this->expiry = null; |
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73 | $this->expired = true; |
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74 | $this->dav_owner_id = null; |
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75 | $this->ticket_id = $ticket_id; |
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76 | $this->privileges = 0; |
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77 | $this->grantor_collection_privileges = 0; |
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78 | |
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79 | $qry = new AwlQuery( |
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80 | 'SELECT access_ticket.*, collection.dav_name, (access_ticket.expires < current_timestamp) AS expired, |
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81 | path_privs(access_ticket.dav_owner_id,collection.dav_name,:scan_depth) AS grantor_collection_privileges |
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82 | FROM access_ticket JOIN collection ON (target_collection_id = collection_id) |
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83 | WHERE ticket_id = :ticket_id::text', |
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84 | array(':ticket_id' => $ticket_id, ':scan_depth' => $c->permission_scan_depth) |
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85 | ); |
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86 | if ( $qry->Exec('DAVTicket',__LINE__,__FILE__) && $qry->rows() == 1 && $t = $qry->Fetch() ) { |
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87 | if ( ! $t->expired ) { |
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88 | foreach( $t AS $k => $v ) { |
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89 | $this->{$k} = $v; |
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90 | } |
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91 | $this->expired = false; |
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92 | $this->privileges = bindec($this->privileges); |
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93 | $this->grantor_collection_privileges = bindec($this->grantor_collection_privileges); |
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94 | dbg_error_log( 'DAVTicket', 'Found a current ticket for "%s"', implode(', ',bits_to_privilege($this->privileges())) ); |
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95 | } |
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96 | else { |
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97 | dbg_error_log( 'DAVTicket', 'Found an expired ticket: %s - %s', $ticket_id, $t->expires ); |
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98 | } |
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99 | } |
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100 | if ( isset($this->target_resource_id) ) { |
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101 | $qry = new AwlQuery( 'SELECT dav_name FROM caldav_data WHERE dav_id = :dav_id', array(':dav_id' => $this->target_resource_id ) ); |
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102 | if ( $qry->Exec('DAVTicket',__LINE__,__FILE__) && $qry->rows() == 1 && $r = $qry->Fetch() ) { |
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103 | $this->dav_name = $r->dav_name; |
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104 | } |
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105 | } |
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106 | } |
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107 | |
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108 | |
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109 | function dav_name() { |
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110 | return $this->dav_name; |
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111 | } |
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112 | |
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113 | |
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114 | function id() { |
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115 | return $this->ticket_id; |
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116 | } |
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117 | |
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118 | |
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119 | function privileges() { |
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120 | return ($this->privileges & $this->grantor_collection_privileges); |
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121 | } |
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122 | |
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123 | |
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124 | function MatchesPath( $test_path ) { |
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125 | $length = strlen($this->dav_name); |
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126 | return (substr($test_path, 0, $length) == $this->dav_name); |
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127 | } |
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128 | |
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129 | function MatchesResource( $test_resource_id ) { |
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130 | return ($test_resource_id == $this->target_collection_id || $test_resource_id == $this->target_resource_id); |
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131 | } |
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132 | } |
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