fix resolverdns

specials/resolverdns.py

@@ -14,6 +14,12 @@ except:
     import sqlite3 as sql
 
 db = os.path.join(config.get_data_path(), 'kod_db.sqlite')
+if 'PROTOCOL_TLS' in ssl.__dict__:
+    protocol = ssl.PROTOCOL_TLS
+elif 'PROTOCOL_SSLv23' in ssl.__dict__:
+    protocol = ssl.PROTOCOL_SSLv23
+else:
+    protocol = ssl.PROTOCOL_SSLv3
 
 class CustomSocket(ssl.SSLSocket):
     def __init__(self, *args, **kwargs):
@@ -40,7 +46,7 @@ class CipherSuiteAdapter(host_header_ssl.HostHeaderSSLAdapter):
     def __init__(self, domain, CF=False, *args, **kwargs):
         self.conn = sql.connect(db)
         self.cur = self.conn.cursor()
-        self.ssl_context = CustomContext(ssl.PROTOCOL_TLS if 'PROTOCOL_TLS' in ssl.__dict__ else ssl.PROTOCOL_SSLv3, domain)
+        self.ssl_context = CustomContext(protocol, domain)
         self.CF = CF  # if cloudscrape is in action
         self.cipherSuite = kwargs.pop('cipherSuite', ssl._DEFAULT_CIPHERS)
 
@@ -99,7 +105,7 @@ class CipherSuiteAdapter(host_header_ssl.HostHeaderSSLAdapter):
             domain = parse.netloc
         else:
             raise requests.exceptions.URLRequired
-        self.ssl_context = CustomContext(ssl.PROTOCOL_TLS if 'PROTOCOL_TLS' in ssl.__dict__ else ssl.PROTOCOL_SSLv3, domain)
+        self.ssl_context = CustomContext(protocol, domain)
         if self.CF:
             self.ssl_context.options |= (ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1)
         self.ssl_context.set_ciphers(self.cipherSuite)
@@ -123,7 +129,13 @@ class CipherSuiteAdapter(host_header_ssl.HostHeaderSSLAdapter):
         except Exception as e:
             logger.info('Request for ' + domain + ' with ip ' + ip + ' failed')
             logger.info(e)
-            tryFlush = True
+            if 'SSLError' in str(e):
+                # disabilito
+                config.set_setting("resolver_dns", False)
+                request.url = realUrl
+                ret = super(CipherSuiteAdapter, self).send(request, **kwargs)
+            else:
+                tryFlush = True
         if tryFlush and not flushedDns:  # re-request ips and update cache
             logger.info('Flushing dns cache for ' + domain)
             return self.flushDns(request, domain, **kwargs)