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[Port to dtq-dev] Issue dspace-customers#903: harden LDAP auth (email fallback, groupmap guard, logging) #1408

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Merged
milanmajchrak merged 3 commits into from
Aug 14, 2026
Merged

[Port to dtq-dev] Issue dspace-customers#903: harden LDAP auth (email fallback, groupmap guard, logging) #1408

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b9e35e3
fix(ldap): harden LDAPAuthentication (email fallback, groupmap guard,…
jr-rk Aug 11, 2026
640f46b
fix(ldap): address review — DN log level + comment wording
jr-rk Aug 12, 2026
d5caebd
fix(ldap): reject groupmap entries with a blank search or group part
jr-rk Aug 13, 2026
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27 changes: 24 additions & 3 deletions dspace-api/src/main/java/org/dspace/authenticate/LDAPAuthentication.java
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Original file line number Diff line number Diff line change
Expand Up @@ -322,7 +322,7 @@ public int authenticate(Context context,
log.info(LogHelper.getHeader(context,
"type=ldap-login", "type=ldap_but_already_email"));
context.turnOffAuthorisationSystem();
setEpersonAttributes(context, eperson, ldap, Optional.of(netid));
setEpersonAttributes(context, eperson, ldap, Optional.of(netid), email);
ePersonService.update(context, eperson);
context.dispatchEvents();
context.restoreAuthSystemState();
Expand All @@ -339,7 +339,7 @@ public int authenticate(Context context,
try {
context.turnOffAuthorisationSystem();
eperson = ePersonService.create(context);
setEpersonAttributes(context, eperson, ldap, Optional.of(netid));
setEpersonAttributes(context, eperson, ldap, Optional.of(netid), email);
eperson.setCanLogIn(true);
authenticationService.initEPerson(context, request, eperson);
ePersonService.update(context, eperson);
Expand Down Expand Up @@ -382,9 +382,21 @@ public int authenticate(Context context,
*/
private void setEpersonAttributes(Context context, EPerson eperson, SpeakerToLDAP ldap, Optional<String> netid)
throws SQLException {
setEpersonAttributes(context, eperson, ldap, netid, null);
}

/**
* Update eperson's attributes, falling back to the supplied login e-mail when LDAP has none.
*/
private void setEpersonAttributes(Context context, EPerson eperson, SpeakerToLDAP ldap,
Optional<String> netid, String email) throws SQLException {

// Set the e-mail: prefer the LDAP-provided address, otherwise the one the user logged in with,
// so an EPerson is never persisted with a null e-mail.
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if (StringUtils.isNotEmpty(ldap.ldapEmail)) {
eperson.setEmail(ldap.ldapEmail);
} else if (StringUtils.isNotEmpty(email)) {
eperson.setEmail(email);
}
if (StringUtils.isNotEmpty(ldap.ldapGivenName)) {
eperson.setFirstName(context, ldap.ldapGivenName);
Expand Down Expand Up @@ -734,7 +746,7 @@ public String getName() {
*/
private void assignGroups(String dn, ArrayList<String> group, Context context) {
if (StringUtils.isNotBlank(dn)) {
System.out.println("dn:" + dn);
log.info(LogHelper.getHeader(context, "assignGroups", "dn=" + dn));
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int groupmapIndex = 1;
String groupMap = configurationService.getProperty("authentication-ldap.login.groupmap." + groupmapIndex);
boolean cmp;
Expand All @@ -744,6 +756,15 @@ private void assignGroups(String dn, ArrayList<String> group, Context context) {
// outer loop with the DSpace groups
while (groupMap != null) {
String t[] = groupMap.split(":");
if (t.length < 2) {
log.error(LogHelper.getHeader(context, "assignGroups",
"malformed groupmap entry at index " + groupmapIndex + ": " + groupMap +
" - missing ':' separator"));
groupMap = configurationService.getProperty(
"authentication-ldap.login.groupmap." + ++groupmapIndex);
continue;
}
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String ldapSearchString = t[0];
String dspaceGroupName = t[1];

Expand Down
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