chore: merge branch 'security_text' into 'main'

feat: check_saml.py security text support

Closes PRX-355

See merge request perun-proxy-aai/python/perun-proxy-utils!47

perun/proxy/utils/nagios/check_saml.py

@@ -186,6 +186,12 @@ def get_args():
         action="store_true",
         help="skip security image check when remember me is used",
     )
+    parser.add_argument(
+        "--security-text-check",
+        action="store_true",
+        help="perform security text check when remember me is used, "
+        "security image check will be automatically skipped",
+    )
     parser.add_argument(
         "--cache-timeout",
         type=int,
@@ -203,7 +209,11 @@ def get_args():
         help="check for presence of state and code parameters in the result",
     )
 
-    return parser.parse_args()
+    args = parser.parse_args()
+    if args.security_text_check:
+        args.skip_security_image_check = True
+
+    return args
 
 
 def replace_host_in_url(hosts, url, headers):
@@ -499,6 +509,15 @@ class SAMLChecker:
             login_form_html, login_form_url = self.initial_request(self.args.url)
             if self.args.verbose >= 3:
                 print(login_form_html)
+            if (
+                self.args.security_text_check
+                and "class='security-image-text'" not in login_form_html
+            ):
+                self.finish(
+                    "Missing security text on the login page.",
+                    "CRITICAL",
+                )
+
             if (
                 not self.args.skip_security_image_check
                 and "class='antiphishing-img'" not in login_form_html