75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package utils
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| 
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| import (
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| 	goldap "github.com/go-ldap/ldap/v3"
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| 	ber "github.com/nmcclain/asn1-ber"
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| 	"github.com/nmcclain/ldap"
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| 	"goauthentik.io/api"
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| 	"goauthentik.io/internal/outpost/ldap/constants"
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| )
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| 
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| func ParseFilterForUser(req api.ApiCoreUsersListRequest, f *ber.Packet, skip bool) (api.ApiCoreUsersListRequest, bool) {
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| 	switch f.Tag {
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| 	case ldap.FilterEqualityMatch:
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| 		return parseFilterForUserSingle(req, f)
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| 	case ldap.FilterAnd:
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| 		for _, child := range f.Children {
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| 			r, s := ParseFilterForUser(req, child, skip)
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| 			skip = skip || s
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| 			req = r
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| 		}
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| 		return req, skip
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| 	}
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| 	return req, skip
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| }
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| 
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| func parseFilterForUserSingle(req api.ApiCoreUsersListRequest, f *ber.Packet) (api.ApiCoreUsersListRequest, bool) {
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| 	// We can only handle key = value pairs here
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| 	if len(f.Children) < 2 {
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| 		return req, false
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| 	}
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| 	k := f.Children[0].Value
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| 	// Ensure key is string
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| 	if _, ok := k.(string); !ok {
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| 		return req, false
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| 	}
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| 	v := f.Children[1].Value
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| 	// Null values are ignored
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| 	if v == nil {
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| 		return req, false
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| 	}
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| 	// Switch on type of the value, then check the key
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| 	switch vv := v.(type) {
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| 	case string:
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| 		switch k {
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| 		case "cn":
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| 			return req.Username(vv), false
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| 		case "name":
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| 		case "displayName":
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| 			return req.Name(vv), false
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| 		case "mail":
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| 			return req.Email(vv), false
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| 		case "member":
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| 			fallthrough
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| 		case "memberOf":
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| 			groupDN, err := goldap.ParseDN(vv)
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| 			if err != nil {
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| 				return req.GroupsByName([]string{vv}), false
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| 			}
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| 			name := groupDN.RDNs[0].Attributes[0].Value
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| 			// If the DN's first ou is virtual-groups, ignore this filter
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| 			if len(groupDN.RDNs) > 1 {
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| 				if groupDN.RDNs[1].Attributes[0].Value == constants.OUUsers || groupDN.RDNs[1].Attributes[0].Value == constants.OUVirtualGroups {
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| 					// Since we know we're not filtering anything, skip this request
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| 					return req, true
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| 				}
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| 			}
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| 			return req.GroupsByName([]string{name}), false
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| 		}
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| 	//TODO: Support int
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| 	default:
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| 		return req, false
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| 	}
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| 	return req, false
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| }
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