72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package utils
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import (
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"beryju.io/ldap"
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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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"goauthentik.io/api/v3"
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"goauthentik.io/internal/outpost/ldap/constants"
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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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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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val := stringify(v)
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if val == nil {
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return req, false
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}
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switch k {
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case "cn":
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return req.Username(*val), false
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case "name":
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case "displayName":
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return req.Name(*val), false
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case "mail":
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return req.Email(*val), 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(*val)
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if err != nil {
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return req.GroupsByName([]string{*val}), 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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return req, false
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}
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