auto create users upon successful ldap login

cps/admin.py

@@ -1541,7 +1541,6 @@ def get_updater_status():
 
 def ldap_import_create_user(user, user_data):
     user_login_field = extract_dynamic_field_from_filter(user, config.config_ldap_user_object)
-
     try:
         username = user_data[user_login_field][0].decode('utf-8')
     except KeyError as ex:
@@ -1555,6 +1554,15 @@ def ldap_import_create_user(user, user_data):
         log.warning("LDAP User  %s Already in Database", user_data)
         return 0, None
 
+    user, error = ldap_create_user(username, user_data, config.config_default_role)
+    if user:
+        return 1, error
+    else:
+        return 0, error
+
+
+def ldap_create_user(username, user_data, role):
+
     ereader_mail = ''
     if 'mail' in user_data:
         useremail = user_data['mail'][0].decode('utf-8')
@@ -1569,16 +1577,16 @@ def ldap_import_create_user(user, user_data):
         # check for duplicate email
         useremail = check_email(useremail)
     except Exception as ex:
-        log.warning("LDAP Email Error: {}, {}".format(user_data, ex))
-        return 0, None
+        log.warning("LDAP Email Error: {}, {}".format(username, ex))
+        return None, None
     content = ub.User()
     content.name = username
     content.password = ''  # dummy password which will be replaced by ldap one
     content.email = useremail
     content.kindle_mail = ereader_mail
     content.default_language = config.config_default_language
     content.locale = config.config_default_locale
-    content.role = config.config_default_role
+    content.role = role
     content.sidebar_view = config.config_default_show
     content.allowed_tags = config.config_allowed_tags
     content.denied_tags = config.config_denied_tags
@@ -1587,12 +1595,12 @@ def ldap_import_create_user(user, user_data):
     ub.session.add(content)
     try:
         ub.session.commit()
-        return 1, None  # increase no of users
+        return content, None
     except Exception as ex:
-        log.warning("Failed to create LDAP user: %s - %s", user, ex)
+        log.warning("Failed to create LDAP user: %s - %s", username, ex)
         ub.session.rollback()
         message = _(u'Failed to Create at Least One LDAP User')
-        return 0, message
+        return None, message
 
 
 @admi.route('/import_ldap_users', methods=["POST"])

cps/constants.py

@@ -128,7 +128,7 @@
 
 LDAP_AUTH_ANONYMOUS      = 0
 LDAP_AUTH_UNAUTHENTICATE = 1
-LDAP_AUTH_SIMPLE         = 0
+LDAP_AUTH_SIMPLE         = 2
 
 DEFAULT_MAIL_SERVER = "mail.example.org"
 

cps/services/simpleldap.py

@@ -124,8 +124,8 @@ def init_app(app, config):
         log.error(e)
 
 
-def get_object_details(user=None,query_filter=None):
-    return _ldap.get_object_details(user, query_filter=query_filter)
+def get_object_details(user=None, query_filter=None, group=None):
+    return _ldap.get_object_details(user=user, query_filter=query_filter, group=group)
 
 
 def bind():

cps/web.py

@@ -43,6 +43,7 @@
 from . import constants, logger, isoLanguages, services
 from . import db, ub, config, app
 from . import calibre_db, kobo_sync_status
+from .admin import ldap_create_user
 from .search import render_search_results, render_adv_search_results
 from .gdriveutils import getFileFromEbooksFolder, do_gdrive_download
 from .helper import check_valid_domain, check_email, check_username, \
@@ -1352,14 +1353,20 @@ def login_post():
     user = ub.session.query(ub.User).filter(func.lower(ub.User.name) == form.get('username', "").strip().lower()) \
         .first()
     remember_me = bool(form.get('remember_me'))
-    if config.config_login_type == constants.LOGIN_LDAP and services.ldap and user and form['password'] != "":
+    if config.config_login_type == constants.LOGIN_LDAP and services.ldap and (user or os.environ.get("CALIBRE_LDAP_AUTO_CREATE", None)) and form['password'] != "":
         login_result, error = services.ldap.bind_user(form['username'], form['password'])
         if login_result:
-            log.debug(u"You are now logged in as: '{}'".format(user.name))
-            return handle_login_user(user,
-                                     remember_me,
-                                     _(u"you are now logged in as: '%(nickname)s'", nickname=user.name),
-                                     "success")
+            log.debug(u"You are now logged in as: '{}'".format(form['username']))
+            if not user:
+                user, error = create_user(form['username'])
+            if not user:
+                log.info(error)
+                flash(_(u"Could not create user from ldap login: %(message)s", message=error), category="error")
+            else:
+                return handle_login_user(user,
+                                         remember_me,
+                                         _(u"you are now logged in as: '%(nickname)s'", nickname=user.name),
+                                         "success")
         elif login_result is None and user and check_password_hash(str(user.password), form['password']) \
                 and user.name != "Guest":
             log.info("Local Fallback Login as: '{}'".format(user.name))
@@ -1403,6 +1410,34 @@ def login_post():
     return render_login(form.get("username", ""), form.get("password", ""))
 
 
+def create_user(username):
+    try:
+        user_data = services.ldap.get_object_details(user=username)
+    except Exception as e:
+        log.error('LDAP user details failed: %s', e)
+        message = _(u'Failed to get LDAP User details')
+        return None, message
+
+    admin_group_filter = os.environ.get("CALIBRE_LDAP_ADMIN_GROUP_FILTER", None)
+    role = constants.ROLE_USER
+    if admin_group_filter:
+        try:
+            log.debug(u"LDAP admin group filter: '{}'".format(admin_group_filter))
+            group_data = services.ldap.get_object_details(user=username, query_filter=admin_group_filter)
+            if group_data:
+                log.debug(u"LDAP admin group is found: '{}'".format(group_data))
+                role = constants.ROLE_ADMIN | constants.ROLE_DELETE_BOOKS | constants.ROLE_DOWNLOAD | constants.ROLE_UPLOAD | constants.ROLE_EDIT | constants.ROLE_EDIT_SHELFS | constants.ROLE_VIEWER
+            else:
+                log.debug(u"LDAP admin group is not found")
+
+        except Exception as e:
+            log.error('LDAP admin group lookup failed: %s', e)
+            message = _(u'Failed to get LDAP admin group details')
+            return None, message
+    user, error = ldap_create_user(username, user_data, role)
+    return user, error
+
+
 @web.route('/logout')
 @login_required
 def logout():