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85ad3d82
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Assos Assos
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<?php
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/**
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* @file
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* collection of functions related to ldap tokens
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*/
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/**
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* @param string $attr_name such 'field_user_lname', 'name', 'mail', 'dn'
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* @param string $attr_type such as 'field', 'property', etc. NULL for ldap attributes
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* @param string $attr_ordinal 0, 1, 2, etc. not used in general
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*
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* @return string such as 'field.field_user_lname', 'samaccountname', etc.
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*/
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function ldap_servers_make_token($attr_name, $attr_type = NULL, $ordinal = NULL) {
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$inner_token = $attr_name;
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if ($attr_type) {
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$inner_token .= '.' . $attr_type;
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}
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if ($ordinal) {
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$inner_token .= ':' . $ordinal;
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}
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$token = LDAP_SERVERS_TOKEN_PRE . $inner_token . LDAP_SERVERS_TOKEN_POST;
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return $token;
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}
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/**
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* @param $user_attr_key of form <attr_type>.<attr_name>[:<instance>]
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* such as field.lname, property.mail, field.aliases:2
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*
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* @return array array($attr_type, $attr_name, $attr_ordinal) such as array('field','field_user_lname', NULL)
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*/
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function ldap_servers_parse_user_attr_name($user_attr_key) {
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$user_attr_key = trim($user_attr_key, LDAP_SERVERS_TOKEN_PRE . LDAP_SERVERS_TOKEN_POST); // make sure no [] are on attribute
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$parts = explode('.', $user_attr_key);
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$attr_type = $parts[0];
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$attr_name = (isset($parts[1])) ? $parts[1] : FALSE;
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$attr_ordinal = FALSE;
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if ($attr_name) {
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$attr_name_parts = explode(':', $attr_name);
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if (isset($attr_name_parts[1])) {
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$attr_name = $attr_name_parts[0];
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$attr_ordinal = $attr_name_parts[1];
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}
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}
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return array($attr_type, $attr_name, $attr_ordinal);
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}
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/**
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* @param array $ldap_entry
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* @param string $text such as "[dn]", "[cn]@my.org", "[displayName] [sn]", "Drupal Provisioned"
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* @return string $text with tokens replaced or NULL if replacement not available
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*/
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function ldap_servers_token_replace($resource, $text, $resource_type = 'ldap_entry') { // user_account
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$desired_tokens = ldap_servers_token_tokens_needed_for_template($text); // desired tokens are of form "cn","mail", etc.
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if (empty($desired_tokens)) {
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return $text; // if no tokens exist in text, return text itself. It is literal value
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}
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switch ($resource_type) {
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case 'ldap_entry':
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$tokens = ldap_servers_token_tokenize_entry($resource, $desired_tokens, LDAP_SERVERS_TOKEN_PRE, LDAP_SERVERS_TOKEN_POST);
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break;
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case 'user_account':
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$tokens = ldap_servers_token_tokenize_user_account($resource, $desired_tokens, LDAP_SERVERS_TOKEN_PRE, LDAP_SERVERS_TOKEN_POST);
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break;
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}
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// add lowercase tokens to avoid case sensitivity
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foreach ($tokens as $attribute => $value) {
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$tokens[drupal_strtolower($attribute)] = $value;
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}
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// If $text is not present as an attribute key, insert it and set the key's value to an empty string.
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if (!array_key_exists(drupal_strtolower($text), $tokens)) {
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$tokens[$text] = '';
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$tokens[drupal_strtolower($text)] = '';
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}
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$attributes = array_keys($tokens); //array of attributes (sn, givenname, etc)
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$values = array_values($tokens); //array of attribute values (Lincoln, Abe, etc)
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$result = str_replace($attributes, $values, $text);
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$result = preg_replace('/\[[^\]]*]/', '', $result); // strip out any unreplaced tokens
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return ($result == '') ? NULL : $result; // return NULL if $result is empty, else $result
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}
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/**
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* @param array $attributes array of attributes passed by reference
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* @param string $text with tokens in it
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*
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* by reference return add ldap attribute triplet $attribute_maps[<attr_name>] = (<attr_name>, <ordinal>, <data_type>) to $attributes
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*/
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function ldap_servers_token_extract_attributes(&$attribute_maps, $text) {
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$tokens = ldap_servers_token_tokens_needed_for_template($text);
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foreach ($tokens as $token) {
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$token = str_replace(array(LDAP_SERVERS_TOKEN_PRE, LDAP_SERVERS_TOKEN_POST), array('', ''), $token);
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$parts = explode(LDAP_SERVERS_TOKEN_DEL, $token);
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$ordinal = (isset($parts[1]) && $parts[1]) ? $parts[1] : 0;
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$attr_name = $parts[0];
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$source_data_type = NULL;
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$parts2 = explode(LDAP_SERVERS_TOKEN_MODIFIER_DEL, $attr_name);
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if (count($parts2) > 1) {
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$attr_name = $parts2[0];
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$conversion = $parts2[1];
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}
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else {
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$conversion = NULL;
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}
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$attribute_maps[$attr_name] = ldap_servers_set_attribute_map(@$attribute_maps[$attr_name], $conversion, array($ordinal => NULL));
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}
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}
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/**
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* @param string $token or token expression with singular token in it, eg. [dn], [dn;binary], [titles:0;binary] [cn]@mycompany.com
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*
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*
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*
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* @return array(<attr_name>, <ordinal>, <conversion>)
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*/
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function ldap_servers_token_extract_parts($token) {
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$attributes = array();
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ldap_servers_token_extract_attributes($attributes, $token);
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if (is_array($attributes)) {
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$keys = array_keys($attributes);
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$attr_name = $keys[0];
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$attr_data = $attributes[$attr_name];
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$ordinals = array_keys($attr_data['values']);
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$ordinal = $ordinals[0];
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return array($attr_name, $ordinal, $attr_data['conversion']);
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}
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else {
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return array(NULL, NULL, NULL);
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}
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}
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/**
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* Turn an ldap entry into a token array suitable for the t() function
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* @param ldap entry array $ldap_entry
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* @param string prefix token prefix such as !,%,[
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* @param string suffix token suffix such as ]
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* @param $token_keys either an array of key names such as array('cn', 'dn') or string 'all' to return all tokens.
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* @return token array suitable for t() functions of with lowercase keys as exemplified below
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$ldap_entry should be in form of single entry returned from ldap_search() function:
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'dn' => 'cn=jdoe,ou=campus accounts,ou=toledo campus,dc=ad,dc=myuniversity,dc=edu',
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'mail' => array( 0 => 'jdoe@myuniversity.edu', 'count' => 1),
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'sAMAccountName' => array( 0 => 'jdoe', 'count' => 1),
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should return tokens such as:
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-- from dn attribute
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[cn] = jdoe
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[cn:0] = jdoe
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[cn:last] => jdoe
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[ou] = campus accounts
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[ou:0] = campus accounts
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[ou:1] = toledo campus
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[ou:last] = toledo campus
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[dc] = ad
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[dc:0] = ad
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[dc:1] = myuniversity
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[dc:2] = edu
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[dc:last] = edu
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-- from other attributes
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[mail] = jdoe@myuniversity.edu
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[mail:0] = jdoe@myuniversity.edu
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[mail:last] = jdoe@myuniversity.edu
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[samaccountname] = jdoe
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[samaccountname:0] = jdoe
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[samaccountname:last] = jdoe
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[guid:0;base64_encode] = apply base64_encode() function to value
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[guid:0;bin2hex] = apply bin2hex() function to value
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[guid:0;msguid] = apply ldap_servers_msguid() function to value
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[guid:0;binary] = apply ldap_servers_binary() function to value. this is the most generic binary function
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*/
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function ldap_servers_token_tokenize_entry($ldap_entry, $token_keys = 'all', $pre = LDAP_SERVERS_TOKEN_PRE, $post = LDAP_SERVERS_TOKEN_POST) {
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$detailed_watchdog_log = variable_get('ldap_help_watchdog_detail', 0);
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$tokens = array();
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$watchdog_tokens = array();
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if (function_exists('debug_backtrace') && $backtrace = debug_backtrace()) {
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$watchdog_tokens['%calling_function'] = $backtrace[1]['function'];
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}
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if (!is_array($ldap_entry)) {
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if ($detailed_watchdog_log) {
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watchdog('ldap_servers', 'skipped tokenization of ldap entry because no ldap entry provided when called from %calling_function.', $watchdog_tokens, WATCHDOG_DEBUG);
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}
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return $tokens; // empty array
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}
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// add lowercase keyed entries to ldap array
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foreach ($ldap_entry as $key => $values) {
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$ldap_entry[drupal_strtolower($key)] = $values;
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}
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// 1. tokenize dn
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$dn_parts = ldap_explode_dn($ldap_entry['dn'], 0); // escapes attribute values, need to be unescaped later.
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unset($dn_parts['count']);
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$parts_count = array();
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$parts_last_value = array();
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foreach ($dn_parts as $pair) {
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list($attr_name, $attr_value) = explode('=', $pair);
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$attr_value = ldap_pear_unescape_dn_value($attr_value);
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try {
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$attr_value = check_plain($attr_value);
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}
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catch (Exception $e) {
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if ($detailed_watchdog_log) {
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$watchdog_tokens['%attr_name'] = $attr_name;
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watchdog('ldap_servers', 'skipped tokenization of attribute %attr_name because the value would not pass check_plain function.', $watchdog_tokens, WATCHDOG_DEBUG);
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}
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continue; // don't tokenize data that can't pass check_plain
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}
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if (!isset($parts_count[$attr_name])) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . $post] = $attr_value;
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$parts_count[$attr_name] = 0;
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}
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . (int)$parts_count[$attr_name] . $post] = $attr_value;
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$parts_last_value[$attr_name] = $attr_value;
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$parts_count[$attr_name]++;
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}
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foreach ($parts_count as $attr_name => $count) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . 'last' . $post] = $parts_last_value[$attr_name];
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}
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// tokenize other attributes
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if ($token_keys == 'all') {
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$token_keys = array_keys($ldap_entry);
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$token_keys = array_filter($token_keys, "is_string");
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foreach ($token_keys as $attr_name) {
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$attr_value = $ldap_entry[$attr_name];
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if (is_array($attr_value) && is_scalar($attr_value[0]) && $attr_value['count'] == 1) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . $post] = check_plain($attr_value[0]);
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . '0' . $post] = check_plain($attr_value[0]);
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . 'last' . $post] = check_plain($attr_value[0]);
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}
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elseif (is_array($attr_value) && $attr_value['count'] > 1) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . 'last' . $post] = check_plain($attr_value[$attr_value['count']-1]);
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257 |
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for ($i=0; $i<$attr_value['count']; $i++) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . $i . $post] = check_plain($attr_value[$i]);
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259 |
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}
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260 |
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}
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261 |
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elseif (is_scalar($attr_value)) {
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . $post] = check_plain($attr_value);
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . '0' . $post] = check_plain($attr_value);
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$tokens[$pre . ldap_server_massage_text($attr_name, 'attr_name', LDAP_SERVER_MASSAGE_TOKEN_REPLACE) . LDAP_SERVERS_TOKEN_DEL . 'last' . $post] = check_plain($attr_value);
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265 |
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}
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266 |
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}
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267 |
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}
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268 |
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else {
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269 |
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foreach ($token_keys as $full_token_key) {
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// $token_key = 'dn', 'mail', 'mail:0', 'mail:last', 'dept:1', 'guid:0;tobase64etc.
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$value = NULL;
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$conversion = FALSE;
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$parts = explode(';', $full_token_key);
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if (count($parts) == 2) {
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$conversion = $parts[1];
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$token_key = $parts[0];
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}
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else {
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$token_key = $full_token_key;
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}
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$parts = explode(LDAP_SERVERS_TOKEN_DEL, $token_key);
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$attr_name = drupal_strtolower($parts[0]);
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$ordinal_key = isset($parts[1]) ? $parts[1] : 0;
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$i = NULL;
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if ($attr_name == 'dn' || !isset($ldap_entry[$attr_name])) { // don't use empty() since a 0, "", etc value may be a desired value
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continue;
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}
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291 |
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else {
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292 |
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$count = $ldap_entry[$attr_name]['count'];
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293 |
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if ($ordinal_key === 'last') {
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294 |
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$i = ($count > 0) ? $count - 1 : 0;
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295 |
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$value = $ldap_entry[$attr_name][$i];
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296 |
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}
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297 |
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elseif (is_numeric($ordinal_key) || $ordinal_key == '0') {
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298 |
|
|
$value = $ldap_entry[$attr_name][$ordinal_key];
|
299 |
|
|
}
|
300 |
|
|
else {
|
301 |
|
|
continue; // don't add token if case not covered
|
302 |
|
|
}
|
303 |
|
|
}
|
304 |
|
|
|
305 |
|
|
if ($conversion) {
|
306 |
|
|
switch ($conversion) {
|
307 |
|
|
|
308 |
|
|
case 'base64_encode':
|
309 |
|
|
$value = base64_encode($value);
|
310 |
|
|
break;
|
311 |
|
|
|
312 |
|
|
case 'bin2hex':
|
313 |
|
|
$value = bin2hex($value);
|
314 |
|
|
break;
|
315 |
|
|
|
316 |
|
|
case 'msguid':
|
317 |
|
|
$value = ldap_servers_msguid($value);
|
318 |
|
|
break;
|
319 |
|
|
|
320 |
|
|
case 'binary':
|
321 |
|
|
$value = ldap_servers_binary($value);
|
322 |
|
|
break;
|
323 |
|
|
}
|
324 |
|
|
}
|
325 |
|
|
|
326 |
|
|
|
327 |
|
|
$tokens[$pre . $full_token_key . $post] = $value;
|
328 |
|
|
if ($full_token_key != drupal_strtolower($full_token_key)) {
|
329 |
|
|
$tokens[$pre . drupal_strtolower($full_token_key) . $post] = $value;
|
330 |
|
|
}
|
331 |
|
|
}
|
332 |
|
|
}
|
333 |
|
|
|
334 |
|
|
// include the dn. it will not be handled correctly by previous loops
|
335 |
|
|
$tokens[$pre . 'dn' . $post] = check_plain($ldap_entry['dn']);
|
336 |
|
|
return $tokens;
|
337 |
|
|
}
|
338 |
|
|
|
339 |
|
|
/**
|
340 |
|
|
*
|
341 |
|
|
* @param drupal user object $user_account
|
342 |
|
|
* @param array or 'all' $token_keys 'all' signifies return
|
343 |
|
|
* all token/value pairs available; otherwise array lists
|
344 |
|
|
* token keys (e.g. property.name ...NOT [property.name])
|
345 |
|
|
* @param string $pre prefix of token
|
346 |
|
|
* @param string $post suffix of token
|
347 |
|
|
*
|
348 |
|
|
*
|
349 |
|
|
* @return should return token/value pairs in array such as
|
350 |
|
|
* 'status' => 1
|
351 |
|
|
* 'uid' => 17
|
352 |
|
|
*/
|
353 |
|
|
|
354 |
|
|
function ldap_servers_token_tokenize_user_account($user_account, $token_keys = 'all', $pre = LDAP_SERVERS_TOKEN_PRE, $post = LDAP_SERVERS_TOKEN_POST) {
|
355 |
|
|
|
356 |
|
|
$detailed_watchdog_log = variable_get('ldap_help_watchdog_detail', 0);
|
357 |
|
|
$tokens = array();
|
358 |
|
|
|
359 |
|
|
$user_entered_password_available = (boolean)ldap_user_ldap_provision_pwd('get');
|
360 |
|
|
// ldapUserPwd((property_exists($user_account, 'ldapUserPwd') && $user_account->ldapUserPwd));
|
361 |
|
|
|
362 |
|
|
if ($token_keys == 'all') {
|
363 |
|
|
// add lowercase keyed entries to ldap array
|
364 |
|
|
foreach ((array)$user_account as $property_name => $value) {
|
365 |
|
|
if (is_scalar($value) && $property_name != 'password') {
|
366 |
|
|
$token_keys[] = 'property.' . $property_name;
|
367 |
|
|
if (drupal_strtolower($property_name) != $property_name) {
|
368 |
|
|
$token_keys[] = 'property.' . drupal_strtolower($property_name);
|
369 |
|
|
}
|
370 |
|
|
}
|
371 |
|
|
elseif (isset($user_account->{$attr_name}['und'][0]['value']) && is_scalar($user_account->{$attr_name}['und'][0]['value'])) {
|
372 |
|
|
$token_keys[] = 'field.' . $property_name;
|
373 |
|
|
if (drupal_strtolower($property_name) != $property_name) {
|
374 |
|
|
$token_keys[] = 'field.' . drupal_strtolower($property_name);
|
375 |
|
|
}
|
376 |
|
|
}
|
377 |
|
|
else {
|
378 |
|
|
// field or property with no value, so no token can be generated
|
379 |
|
|
}
|
380 |
|
|
}
|
381 |
|
|
$ldap_user_conf_admin = new LdapUserConfAdmin();
|
382 |
|
|
if ($ldap_user_conf->setsLdapPassword) {
|
383 |
|
|
$token_keys[] = 'password.random';
|
384 |
|
|
$token_keys[] = 'password.user-random';
|
385 |
|
|
}
|
386 |
|
|
}
|
387 |
|
|
|
388 |
|
|
foreach ($token_keys as $token_key) {
|
389 |
|
|
$parts = explode('.', $token_key);
|
390 |
|
|
$attr_type = $parts[0];
|
391 |
|
|
$attr_name = $parts[1];
|
392 |
dd54aff9
|
Assos Assos
|
$attr_conversion = (isset($parts[2])) ? $parts[2] : 'none';
|
393 |
85ad3d82
|
Assos Assos
|
$value = FALSE;
|
394 |
|
|
$skip = FALSE;
|
395 |
|
|
|
396 |
|
|
switch ($attr_type) {
|
397 |
|
|
case 'field':
|
398 |
|
|
$value = @is_scalar($user_account->{$attr_name}['und'][0]['value']) ? $user_account->{$attr_name}['und'][0]['value'] : '';
|
399 |
|
|
break;
|
400 |
|
|
|
401 |
|
|
case 'property':
|
402 |
|
|
$value = @is_scalar($user_account->{$attr_name}) ? $user_account->{$attr_name} : '';
|
403 |
|
|
break;
|
404 |
|
|
|
405 |
|
|
case 'password':
|
406 |
|
|
|
407 |
|
|
switch ($attr_name) {
|
408 |
|
|
|
409 |
|
|
case 'user':
|
410 |
|
|
case 'user-only':
|
411 |
|
|
$pwd = ldap_user_ldap_provision_pwd('get');
|
412 |
|
|
$value = ($pwd) ? $pwd : NULL;
|
413 |
|
|
break;
|
414 |
|
|
|
415 |
|
|
case 'user-random':
|
416 |
|
|
$pwd = ldap_user_ldap_provision_pwd('get');
|
417 |
|
|
$value = ($pwd) ? $pwd : user_password();
|
418 |
|
|
break;
|
419 |
|
|
|
420 |
|
|
case 'random':
|
421 |
|
|
$value = user_password();
|
422 |
|
|
break;
|
423 |
|
|
|
424 |
|
|
}
|
425 |
|
|
if (empty($value)) {
|
426 |
|
|
$skip = TRUE;
|
427 |
|
|
}
|
428 |
|
|
break;
|
429 |
|
|
}
|
430 |
|
|
|
431 |
|
|
if (!$skip) {
|
432 |
|
|
|
433 |
|
|
switch ($attr_conversion) {
|
434 |
|
|
|
435 |
|
|
case 'none':
|
436 |
|
|
break;
|
437 |
|
|
|
438 |
|
|
case 'to-md5':
|
439 |
dd54aff9
|
Assos Assos
|
$value = "{MD5}" . base64_encode( pack( "H*", md5( $value ) ) );
|
440 |
85ad3d82
|
Assos Assos
|
break;
|
441 |
|
|
|
442 |
|
|
case 'to-lowercase':
|
443 |
|
|
$value = drupal_strtolower($value);
|
444 |
|
|
break;
|
445 |
|
|
}
|
446 |
|
|
|
447 |
|
|
$tokens[$pre . $token_key . $post] = check_plain($value);
|
448 |
|
|
if ($token_key != drupal_strtolower($token_key)) {
|
449 |
|
|
$tokens[$pre . drupal_strtolower($token_key) . $post] = check_plain($value);
|
450 |
|
|
}
|
451 |
|
|
}
|
452 |
|
|
}
|
453 |
|
|
return $tokens;
|
454 |
|
|
}
|
455 |
|
|
|
456 |
|
|
/**
|
457 |
|
|
* @param string $template in form [cn]@myuniversity.edu
|
458 |
|
|
* @return array of all tokens in the template such as array('cn')
|
459 |
|
|
*/
|
460 |
|
|
function ldap_servers_token_tokens_needed_for_template($template, $pre = LDAP_SERVERS_TOKEN_PRE, $post = LDAP_SERVERS_TOKEN_POST) {
|
461 |
|
|
preg_match_all('/
|
462 |
|
|
\[ # [ - pattern start
|
463 |
|
|
([^\[\]]*) # match $type not containing whitespace : [ or ]
|
464 |
|
|
\] # ] - pattern end
|
465 |
|
|
/x', $template, $matches);
|
466 |
|
|
|
467 |
|
|
return @$matches[1];
|
468 |
|
|
|
469 |
|
|
}
|
470 |
|
|
|
471 |
|
|
function ldap_servers_token_show_sample_user_tokens($sid) {
|
472 |
|
|
|
473 |
|
|
$ldap_server = ldap_servers_get_servers($sid, 'all', TRUE);
|
474 |
|
|
$test_username = $ldap_server->testingDrupalUsername;
|
475 |
|
|
if (!$test_username || ! (
|
476 |
|
|
$ldap_server->bind_method == LDAP_SERVERS_BIND_METHOD_SERVICE_ACCT ||
|
477 |
|
|
$ldap_server->bind_method == LDAP_SERVERS_BIND_METHOD_ANON
|
478 |
|
|
)
|
479 |
|
|
) {
|
480 |
|
|
return FALSE;
|
481 |
|
|
}
|
482 |
|
|
|
483 |
|
|
if ($ldap_user = $ldap_server->userUserNameToExistingLdapEntry($test_username)) {
|
484 |
|
|
$table = theme('ldap_server_ldap_entry_table', array(
|
485 |
|
|
'entry' => $ldap_user['attr'],
|
486 |
|
|
'username' => $test_username,
|
487 |
|
|
'dn' => $ldap_user['dn'],
|
488 |
|
|
));
|
489 |
|
|
}
|
490 |
|
|
else {
|
491 |
|
|
$table = '<p>' . t('No sample user data found') . '</p>';
|
492 |
|
|
}
|
493 |
|
|
|
494 |
|
|
return $table;
|
495 |
|
|
} |