5100704d |
1 | <?php |
2 | |
3 | /** |
4 | ** abook_ldap_server.php |
5 | ** |
6 | ** Address book backend for LDAP server |
7 | ** |
8 | ** An array with the following elements must be passed to |
9 | ** the class constructor (elements marked ? are optional): |
10 | ** |
11 | ** host => LDAP server hostname/IP-address |
12 | ** base => LDAP server root (base dn). Empty string allowed. |
13 | ** ? port => LDAP server TCP port number (default: 389) |
14 | ** ? charset => LDAP server charset (default: utf-8) |
15 | ** ? name => Name for LDAP server (default "LDAP: hostname") |
16 | ** Used to tag the result data |
17 | ** ? maxrows => Maximum # of rows in search result |
18 | ** |
19 | ** NOTE. This class should not be used directly. Use the |
20 | ** "AddressBook" class instead. |
21 | **/ |
22 | |
23 | class abook_ldap_server extends addressbook_backend { |
24 | var $btype = "remote"; |
25 | var $bname = "ldap_server"; |
26 | |
27 | // Parameters changed by class |
28 | var $sname = "LDAP"; // Service name |
29 | var $server = ""; // LDAP server name |
30 | var $port = 389; // LDAP server port |
31 | var $basedn = ""; // LDAP base DN |
32 | var $charset = "utf-8"; // LDAP server charset |
33 | var $linkid = false; // PHP LDAP link ID |
34 | var $bound = false; // True if LDAP server is bound |
35 | var $maxrows = 250; // Max rows in result |
36 | |
37 | |
38 | // Constructor. Connects to database |
39 | function abook_ldap_server($param) { |
40 | if(is_array($param)) { |
41 | $this->server = $param["host"]; |
42 | $this->basedn = $param["base"]; |
43 | if(!empty($param["port"])) |
44 | $this->port = $param["port"]; |
45 | if(!empty($param["charset"])) |
46 | $this->charset = strtolower($param["charset"]); |
47 | if(isset($param["maxrows"])) |
48 | $this->maxrows = $param["maxrows"]; |
49 | if(empty($param["name"])) |
50 | $this->sname = "LDAP: ".$param["host"]; |
51 | else |
52 | $this->sname = $param["name"]; |
53 | |
54 | $this->open(true); |
55 | } else { |
56 | $this->set_error(_("Invalid argument to constructor")); |
57 | } |
58 | } |
59 | |
60 | |
61 | // Open the LDAP server. New connection if $new is true |
62 | function open($new = false) { |
63 | $this->error = ""; |
64 | |
65 | // Connection is already open |
66 | if($this->linkid != false && !$new) |
67 | return true; |
68 | |
69 | $this->linkid = @ldap_connect($this->server, $this->port); |
70 | if(!$this->linkid) |
71 | if(function_exists("ldap_error")) |
72 | return $this->set_error(ldap_error($this->linkid)); |
73 | else |
74 | return $this->set_error("ldap_connect failed"); |
75 | |
76 | if(!@ldap_bind($this->linkid)) |
77 | if(function_exists("ldap_error")) |
78 | return $this->set_error(ldap_error($this->linkid)); |
79 | else |
80 | return $this->set_error("ldap_bind failed"); |
81 | |
82 | $this->bound = true; |
83 | |
84 | return true; |
85 | } |
86 | |
87 | |
88 | // Encode iso8859-1 string to the charset used by this LDAP server |
89 | function charset_encode($str) { |
90 | if($this->charset == "utf-8") { |
91 | if(function_exists("utf8_encode")) |
92 | return utf8_encode($str); |
93 | else |
94 | return $str; |
95 | } else { |
96 | return $str; |
97 | } |
98 | } |
99 | |
100 | |
101 | // Decode from charset used by this LDAP server to iso8859-1 |
102 | function charset_decode($str) { |
103 | if($this->charset == "utf-8") { |
104 | if(function_exists("utf8_decode")) |
105 | return utf8_decode($str); |
106 | else |
107 | return $str; |
108 | } else { |
109 | return $str; |
110 | } |
111 | } |
112 | |
113 | |
114 | // ========================== Public ======================== |
115 | |
116 | // Search the LDAP server |
117 | function search($expr) { |
118 | |
119 | // To be replaced by advanded search expression parsing |
120 | if(is_array($expr)) return false; |
121 | |
122 | // Encode the expression |
123 | $expr = $this->charset_encode($expr); |
124 | if(!ereg("\*", $expr)) |
125 | $expr = "*$expr*"; |
126 | $expression = "cn=$expr"; |
127 | |
128 | // Make sure connection is there |
129 | if(!$this->open()) |
130 | return false; |
131 | |
132 | // Do the search |
133 | $sret = @ldap_search($this->linkid, $this->basedn, $expression, |
134 | array("dn", "o", "ou", "sn", "givenname", |
135 | "cn", "mail", "telephonenumber")); |
136 | |
137 | // Should get error from server using the ldap_error() function, |
138 | // but it only exist in the PHP LDAP documentation. |
139 | if(!$sret) |
140 | if(function_exists("ldap_error")) |
141 | return $this->set_error(ldap_error($this->linkid)); |
142 | else |
143 | return $this->set_error("ldap_search failed"); |
144 | |
145 | if(@ldap_count_entries($this->linkid, $sret) <= 0) |
146 | return array(); |
147 | |
148 | // Get results |
149 | $ret = array(); |
150 | $returned_rows = 0; |
151 | $res = @ldap_get_entries($this->linkid, $sret); |
152 | for($i = 0 ; $i < $res["count"] ; $i++) { |
153 | $row = $res[$i]; |
154 | |
155 | // Extract data common for all e-mail addresses |
156 | // of an object. Use only the first name |
157 | $nickname = $this->charset_decode($row["dn"]); |
158 | $fullname = $this->charset_decode($row["cn"][0]); |
159 | |
160 | if(empty($row["telephonenumber"][0])) $phone = ""; |
161 | else $phone = $this->charset_decode($row["telephonenumber"][0]); |
162 | |
163 | if(!empty($row["ou"][0])) |
164 | $label = $this->charset_decode($row["ou"][0]); |
165 | else if(!empty($row["o"][0])) |
166 | $label = $this->charset_decode($row["o"][0]); |
167 | else |
168 | $label = ""; |
169 | |
170 | if(empty($row["givenname"][0])) $firstname = ""; |
171 | else $firstname = $this->charset_decode($row["givenname"][0]); |
172 | |
173 | if(empty($row["sn"][0])) $surname = ""; |
174 | else $surname = $this->charset_decode($row["sn"][0]); |
175 | |
176 | // Add one row to result for each e-mail address |
177 | for($j = 0 ; $j < $row["mail"]["count"] ; $j++) { |
178 | array_push($ret, array("nickname" => $nickname, |
179 | "name" => $fullname, |
180 | "firstname" => $firstname, |
181 | "lastname" => $surname, |
182 | "email" => $row["mail"][$j], |
183 | "label" => $label, |
184 | "phone" => $phone, |
185 | "backend" => $this->bnum, |
186 | "source" => &$this->sname)); |
187 | |
188 | // Limit number of hits |
189 | $returned_rows++; |
190 | if(($returned_rows >= $this->maxrows) && |
191 | ($this->maxrows > 0) ) { |
192 | ldap_free_result($sret); |
193 | return $ret; |
194 | } |
195 | |
196 | } |
197 | } |
198 | |
199 | ldap_free_result($sret); |
200 | return $ret; |
201 | } // end search() |
202 | |
203 | } |
204 | ?> |