384 lines
11 KiB
PHP
384 lines
11 KiB
PHP
<?php
|
|
|
|
namespace App\Classes\LDAP;
|
|
|
|
use Carbon\Carbon;
|
|
use Exception;
|
|
use Illuminate\Support\Arr;
|
|
use Illuminate\Support\Collection as ArrayCollection;
|
|
use Illuminate\Support\Facades\Cache;
|
|
use Illuminate\Support\Facades\Config;
|
|
use Illuminate\Support\Facades\Log;
|
|
use LdapRecord\Query\Collection;
|
|
|
|
use App\Classes\LDAP\Schema\{AttributeType,Base,LDAPSyntax,MatchingRule,MatchingRuleUse,ObjectClass};
|
|
use App\Exceptions\InvalidUsage;
|
|
use App\Ldap\Entry;
|
|
|
|
class Server
|
|
{
|
|
// This servers schema objectclasses
|
|
private ArrayCollection $attributetypes;
|
|
private ArrayCollection $ldapsyntaxes;
|
|
private ArrayCollection $matchingrules;
|
|
private ArrayCollection $matchingruleuse;
|
|
private ArrayCollection $objectclasses;
|
|
|
|
// Valid items that can be fetched
|
|
public const schema_types = [
|
|
'objectclasses',
|
|
'attributetypes',
|
|
'ldapsyntaxes',
|
|
'matchingrules',
|
|
];
|
|
|
|
/**
|
|
* Query the server for a DN and return its children and if those children have children.
|
|
*
|
|
* @param string $dn
|
|
* @return Collection|null
|
|
*/
|
|
public function children(string $dn): ?Collection
|
|
{
|
|
return ($x=(new Entry)
|
|
->query()
|
|
->cache(Carbon::now()->addSeconds(Config::get('ldap.cache.time')))
|
|
->select(['*','hassubordinates'])
|
|
->setDn($dn)
|
|
->listing()
|
|
->get()) ? $x : NULL;
|
|
}
|
|
|
|
/**
|
|
* Fetch a DN from the server
|
|
*
|
|
* @param string $dn
|
|
* @param array $attrs
|
|
* @return Entry|null
|
|
*/
|
|
public function fetch(string $dn,array $attrs=['*','+']): ?Entry
|
|
{
|
|
return ($x=(new Entry)
|
|
->query()
|
|
->cache(Carbon::now()->addSeconds(Config::get('ldap.cache.time')))
|
|
->select($attrs)
|
|
->find($dn)) ? $x : NULL;
|
|
}
|
|
|
|
/**
|
|
* Given an LDAP OID number, returns a verbose description of the OID.
|
|
* This function parses ldap_supported_oids.txt and looks up the specified
|
|
* OID, and returns the verbose message defined in that file.
|
|
*
|
|
* <code>
|
|
* Array (
|
|
* [title] => All Operational Attribute
|
|
* [ref] => RFC 3673
|
|
* [desc] => An LDAP extension which clients may use to request the return of all operational attributes.
|
|
* )
|
|
* </code>
|
|
*
|
|
* @param string $oid The OID number (ie, "1.3.6.1.4.1.4203.1.5.1") of the OID of interest.
|
|
* @param string $key The title|ref|desc to return
|
|
* @return string|null
|
|
* @testedby TranslateOidTest::testRootDSE()
|
|
*/
|
|
public static function getOID(string $oid,string $key): ?string
|
|
{
|
|
$oids = Cache::remember('oids',86400,function() {
|
|
try {
|
|
$f = fopen(config_path('ldap_supported_oids.txt'),'r');
|
|
|
|
} catch (Exception $e) {
|
|
return NULL;
|
|
}
|
|
|
|
$result = collect();
|
|
|
|
while (! feof($f)) {
|
|
$line = trim(fgets($f));
|
|
|
|
if (! $line OR preg_match('/^#/',$line))
|
|
continue;
|
|
|
|
$fields = explode(':',$line);
|
|
|
|
$result->put(Arr::get($fields,0),[
|
|
'title'=>Arr::get($fields,1),
|
|
'ref'=>Arr::get($fields,2),
|
|
'desc'=>Arr::get($fields,3),
|
|
]);
|
|
}
|
|
fclose($f);
|
|
|
|
return $result;
|
|
});
|
|
|
|
return Arr::get(
|
|
($oids ? $oids->get($oid) : []),
|
|
$key,
|
|
($key == 'desc' ? 'No description available, can you help with one?' : ($key == 'title' ? $oid : NULL))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* This function determines if the specified attribute is contained in the force_may list
|
|
* as configured in config.php.
|
|
*
|
|
* @return boolean True if the specified attribute is configured to be force as a may attribute
|
|
*/
|
|
public function isForceMay($attr_name): bool
|
|
{
|
|
return in_array($attr_name,config('pla.force_may',[]));
|
|
}
|
|
|
|
/**
|
|
* Return the server's schema
|
|
*
|
|
* @param string $item Schema Item to Fetch
|
|
* @param string|null $key
|
|
* @return ArrayCollection|Base
|
|
* @throws InvalidUsage
|
|
*/
|
|
public function schema(string $item,string $key=NULL): ArrayCollection|Base|NULL
|
|
{
|
|
// Ensure our item to fetch is lower case
|
|
$item = strtolower($item);
|
|
if ($key)
|
|
$key = strtolower($key);
|
|
|
|
// This error message is not localized as only developers should ever see it
|
|
if (! in_array($item,self::schema_types))
|
|
throw new InvalidUsage('Invalid request to fetch schema: '.$item);
|
|
|
|
// First pass if we have already retrieved the schema item
|
|
switch ($item) {
|
|
case 'attributetypes':
|
|
if (isset($this->attributetypes))
|
|
return is_null($key) ? $this->attributetypes : $this->attributetypes->get($key);
|
|
else
|
|
$this->attributetypes = collect();
|
|
|
|
break;
|
|
|
|
case 'ldapsyntaxes':
|
|
if (isset($this->ldapsyntaxes))
|
|
return is_null($key) ? $this->ldapsyntaxes : $this->ldapsyntaxes->get($key);
|
|
else
|
|
$this->ldapsyntaxes = collect();
|
|
|
|
break;
|
|
|
|
case 'matchingrules':
|
|
if (isset($this->matchingrules))
|
|
return is_null($key) ? $this->matchingrules : $this->matchingrules->get($key);
|
|
else
|
|
$this->matchingrules = collect();
|
|
|
|
break;
|
|
|
|
/*
|
|
case 'matchingruleuse':
|
|
if (isset($this->matchingruleuse))
|
|
return is_null($key) ? $this->matchingruleuse : $this->matchingruleuse->get($key);
|
|
else
|
|
$this->matchingruleuse = collect();
|
|
|
|
break;
|
|
*/
|
|
|
|
case 'objectclasses':
|
|
if (isset($this->objectclasses))
|
|
return is_null($key) ? $this->objectclasses : $this->objectclasses->get($key);
|
|
else
|
|
$this->objectclasses = collect();
|
|
|
|
break;
|
|
|
|
// Shouldnt get here
|
|
default:
|
|
throw new InvalidUsage('Invalid request to fetch schema: '.$item);
|
|
}
|
|
|
|
// Try to get the schema DN from the specified entry.
|
|
$schema_dn = Entry::schemaDN();
|
|
$schema = (new Server)->fetch($schema_dn);
|
|
|
|
switch ($item) {
|
|
case 'attributetypes':
|
|
Log::debug('Attribute Types');
|
|
// build the array of attribueTypes
|
|
//$syntaxes = $this->SchemaSyntaxes($dn);
|
|
|
|
foreach ($schema->{$item} as $line) {
|
|
if (is_null($line) || ! strlen($line))
|
|
continue;
|
|
|
|
$o = new AttributeType($line);
|
|
$this->attributetypes->put($o->name_lc,$o);
|
|
|
|
/*
|
|
if (isset($syntaxes[$attr->getSyntaxOID()])) {
|
|
$syntax = $syntaxes[$attr->getSyntaxOID()];
|
|
$attr->setType($syntax->getDescription());
|
|
}
|
|
$this->attributetypes[$attr->getName()] = $attr;
|
|
*/
|
|
|
|
/**
|
|
* bug 856832: create an entry in the $attrs_oid array too. This
|
|
* will be a ref to the $attrs entry for maintenance and performance
|
|
* reasons
|
|
*/
|
|
//$attrs_oid[$attr->getOID()] = &$attrs[$attr->getName()];
|
|
}
|
|
|
|
// go back and add data from aliased attributeTypes
|
|
foreach ($this->attributetypes as $o) {
|
|
/* foreach of the attribute's aliases, create a new entry in the attrs array
|
|
* with its name set to the alias name, and all other data copied.*/
|
|
|
|
if ($o->aliases->count()) {
|
|
Log::debug(sprintf('\ Attribute [%s] has the following aliases [%s]',$o->name,$o->aliases->join(',')));
|
|
|
|
foreach ($o->aliases as $alias) {
|
|
$new_attr = clone $o;
|
|
$new_attr->setName($alias);
|
|
$new_attr->addAlias($o->name);
|
|
$new_attr->removeAlias($alias);
|
|
|
|
$this->attributetypes->put(strtolower($alias),$new_attr);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now go through and reference the parent/child relationships
|
|
foreach ($this->attributetypes as $o)
|
|
if ($o->sup_attribute) {
|
|
$parent = strtolower($o->sup_attribute);
|
|
|
|
if ($this->attributetypes->has($parent) !== FALSE)
|
|
$this->attributetypes[$parent]->addChild($o->name);
|
|
}
|
|
|
|
// go through any children and add details if the child doesnt have them (ie, cn inherits name)
|
|
// @todo This doesnt traverse children properly, so children of children may not get the settings they should
|
|
foreach ($this->attributetypes as $parent) {
|
|
foreach ($parent->children as $child) {
|
|
$child = strtolower($child);
|
|
|
|
/* only overwrite the child's SINGLE-VALUE property if the parent has it set, and the child doesnt
|
|
* (note: All LDAP attributes default to multi-value if not explicitly set SINGLE-VALUE) */
|
|
if (! is_null($parent->is_single_value) && is_null($this->attributetypes[$child]->is_single_value))
|
|
$this->attributetypes[$child]->setIsSingleValue($parent->is_single_value);
|
|
}
|
|
}
|
|
|
|
// Add the used in and required_by values.
|
|
foreach ($this->schema('objectclasses') as $object_class) {
|
|
$must_attrs = $object_class->getMustAttrNames();
|
|
$may_attrs = $object_class->getMayAttrNames();
|
|
$oclass_attrs = $must_attrs->merge($may_attrs)->unique();
|
|
|
|
// Add Used In.
|
|
foreach ($oclass_attrs as $attr_name)
|
|
if ($this->attributetypes->has(strtolower($attr_name)))
|
|
$this->attributetypes[strtolower($attr_name)]->addUsedInObjectClass($object_class->name);
|
|
|
|
// Add Required By.
|
|
foreach ($must_attrs as $attr_name)
|
|
if ($this->attributetypes->has(strtolower($attr_name)))
|
|
$this->attributetypes[strtolower($attr_name)]->addRequiredByObjectClass($object_class->name);
|
|
|
|
// Force May
|
|
foreach ($object_class->getForceMayAttrs() as $attr_name)
|
|
if ($this->attributetypes->has(strtolower($attr_name->name)))
|
|
$this->attributetypes[strtolower($attr_name->name)]->setForceMay();
|
|
}
|
|
|
|
return is_null($key) ? $this->attributetypes : $this->attributetypes->get($key);
|
|
|
|
case 'objectclasses':
|
|
Log::debug('Object Classes');
|
|
|
|
foreach ($schema->{$item} as $line) {
|
|
if (is_null($line) || ! strlen($line))
|
|
continue;
|
|
|
|
$o = new ObjectClass($line,$schema,$this);
|
|
$this->objectclasses->put($o->name_lc,$o);
|
|
}
|
|
|
|
// Now go through and reference the parent/child relationships
|
|
foreach ($this->objectclasses as $o)
|
|
foreach ($o->getSupClasses() as $parent) {
|
|
$parent = strtolower($parent);
|
|
if ($this->objectclasses->has($parent) !== FALSE)
|
|
$this->objectclasses[$parent]->addChildObjectClass($o->name);
|
|
}
|
|
|
|
return is_null($key) ? $this->objectclasses : $this->objectclasses->get($key);
|
|
|
|
case 'ldapsyntaxes':
|
|
Log::debug('LDAP Syntaxes');
|
|
|
|
foreach ($schema->{$item} as $line) {
|
|
if (is_null($line) || ! strlen($line))
|
|
continue;
|
|
|
|
$o = new LDAPSyntax($line);
|
|
$this->ldapsyntaxes->put(strtolower($o->oid),$o);
|
|
}
|
|
|
|
return is_null($key) ? $this->ldapsyntaxes : $this->ldapsyntaxes->get($key);
|
|
|
|
case 'matchingrules':
|
|
Log::debug('Matching Rules');
|
|
$this->matchingruleuse = collect();
|
|
|
|
foreach ($schema->{$item} as $line) {
|
|
if (is_null($line) || ! strlen($line))
|
|
continue;
|
|
|
|
$o = new MatchingRule($line);
|
|
$this->matchingrules->put($o->name_lc,$o);
|
|
}
|
|
|
|
/*
|
|
* For each MatchingRuleUse entry, add the attributes who use it to the
|
|
* MatchingRule in the $rules array.
|
|
*/
|
|
if ($schema->matchingruleuse) {
|
|
foreach ($schema->matchingruleuse as $line) {
|
|
if (is_null($line) || ! strlen($line))
|
|
continue;
|
|
|
|
$o = new MatchingRuleUse($line);
|
|
$this->matchingruleuse->put($o->name_lc,$o);
|
|
|
|
if ($this->matchingrules->has($o->name_lc) !== FALSE)
|
|
$this->matchingrules[$o->name_lc]->setUsedByAttrs($o->getUsedByAttrs());
|
|
}
|
|
|
|
} else {
|
|
/* No MatchingRuleUse entry in the subschema, so brute-forcing
|
|
* the reverse-map for the "$rule->getUsedByAttrs()" data.*/
|
|
foreach ($this->schema('attributetypes') as $attr) {
|
|
$rule_key = strtolower($attr->getEquality());
|
|
|
|
if ($this->matchingrules->has($rule_key) !== FALSE)
|
|
$this->matchingrules[$rule_key]->addUsedByAttr($attr->name);
|
|
}
|
|
}
|
|
|
|
return is_null($key) ? $this->matchingrules : $this->matchingrules->get($key);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
public function schemaSyntaxName(string $oid): ?LDAPSyntax
|
|
{
|
|
return $this->schema('ldapsyntaxes',$oid);
|
|
}
|
|
} |