104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
package authentication
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import (
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"strings"
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"github.com/go-ldap/ldap/v3"
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)
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func (p *LDAPUserProvider) checkServer() (err error) {
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conn, err := p.connect(p.configuration.User, p.configuration.Password)
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if err != nil {
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return err
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}
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defer conn.Close()
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searchRequest := ldap.NewSearchRequest("", ldap.ScopeBaseObject, ldap.NeverDerefAliases,
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1, 0, false, "(objectClass=*)", []string{ldapSupportedExtensionAttribute}, nil)
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sr, err := conn.Search(searchRequest)
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if err != nil {
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return err
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}
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if len(sr.Entries) != 1 {
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return nil
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}
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// Iterate the attribute values to see what the server supports.
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for _, attr := range sr.Entries[0].Attributes {
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if attr.Name == ldapSupportedExtensionAttribute {
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p.logger.Tracef("LDAP Supported Extension OIDs: %s", strings.Join(attr.Values, ", "))
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for _, oid := range attr.Values {
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if oid == ldapOIDPasswdModifyExtension {
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p.supportExtensionPasswdModify = true
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break
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}
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}
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break
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}
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}
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return nil
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}
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func (p *LDAPUserProvider) parseDynamicUsersConfiguration() {
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p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{username_attribute}", p.configuration.UsernameAttribute)
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p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{mail_attribute}", p.configuration.MailAttribute)
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p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{display_name_attribute}", p.configuration.DisplayNameAttribute)
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p.logger.Tracef("Dynamically generated users filter is %s", p.configuration.UsersFilter)
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p.usersAttributes = []string{
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p.configuration.DisplayNameAttribute,
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p.configuration.MailAttribute,
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p.configuration.UsernameAttribute,
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}
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if p.configuration.AdditionalUsersDN != "" {
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p.usersBaseDN = p.configuration.AdditionalUsersDN + "," + p.configuration.BaseDN
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} else {
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p.usersBaseDN = p.configuration.BaseDN
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}
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p.logger.Tracef("Dynamically generated users BaseDN is %s", p.usersBaseDN)
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if strings.Contains(p.configuration.UsersFilter, ldapPlaceholderInput) {
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p.usersFilterReplacementInput = true
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}
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p.logger.Tracef("Detected user filter replacements that need to be resolved per lookup are: %s=%v",
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ldapPlaceholderInput, p.usersFilterReplacementInput)
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}
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func (p *LDAPUserProvider) parseDynamicGroupsConfiguration() {
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p.groupsAttributes = []string{
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p.configuration.GroupNameAttribute,
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}
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if p.configuration.AdditionalGroupsDN != "" {
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p.groupsBaseDN = ldap.EscapeFilter(p.configuration.AdditionalGroupsDN + "," + p.configuration.BaseDN)
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} else {
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p.groupsBaseDN = p.configuration.BaseDN
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}
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p.logger.Tracef("Dynamically generated groups BaseDN is %s", p.groupsBaseDN)
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if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderInput) {
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p.groupsFilterReplacementInput = true
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}
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if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderUsername) {
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p.groupsFilterReplacementUsername = true
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}
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if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderDistinguishedName) {
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p.groupsFilterReplacementDN = true
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}
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p.logger.Tracef("Detected group filter replacements that need to be resolved per lookup are: input=%v, username=%v, dn=%v", p.groupsFilterReplacementInput, p.groupsFilterReplacementUsername, p.groupsFilterReplacementDN)
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}
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