1 files changed, 139 insertions, 0 deletions
diff --git a/lib/core.py b/lib/core.py
new file mode 100644
index 0000000..e7ac571
--- /dev/null
+++ b/lib/core.py
@@ -0,0 +1,139 @@
+import socketserver
+import ipaddr
+import re
+
+from lib.config import Config
+
+class Daemon():
+    def __init__(self, data):
+        self.data = data
+        self.domain_regexp = re.compile("(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
+        self.footer = None
+        self.header = None
+
+    def query(self, q):
+        if self.is_ip(q):
+            result = self.search_ip(q)
+        elif self.is_domain(q):
+            result = self.search_domain(q)            
+        else:
+            # Try to find a person with the given query
+            person = search_person(q)
+            if person:
+                result = person
+            else:
+                result = self.get_help()
+
+        return self.format_result(result)
+
+    def format_result(self, values):
+        """Receive a dictionary and return a string"""
+        result = ""
+        for k, v in values.items():
+            if k == 'domains':
+                result += '\nAssociated domains\n'
+                for i, dom in enumerate(v):
+                    result += '  {0}\n'.format(dom.name)
+            elif k == 'admins':
+                result += '\nAssociated administrator/s\n '
+                for i, adm in enumerate(v):
+                    result += '  {0} {1} <{2}>\n'.format(adm.name, adm.surname, adm.email)
+            else:
+                result += '{0}: {1}\n'.format(k, v)
+        
+        return result
+
+    def search_ip(self, ip):
+        result = {}
+
+        # Iterate over all IP block elements
+        networks = self.data.get_networks()
+        for key in networks:
+           for block in networks[key].ip_blocks:
+               if ipaddr.IPAddress(ip) in ipaddr.IPNetwork(block):
+                   return networks[key].as_dict(self.data)
+                   
+        result['error'] = "Network not found"
+        return result
+
+    def search_domain(self, domain):
+        # Iterate over all network and check its domains
+        networks = self.data.get_networks()
+        domains = self.data.get_domains()
+        for network in networks.values():
+            if any(domains[d].name == domain for d in network.domains):
+                return network.as_dict(self.data)
+                
+        return {'error':'Domain not found'}
+                
+    # TODO
+
+    def search_person(self, query):
+        pass
+
+    def is_ip(self, query):
+        try:
+            ipaddr.IPAddress(query)
+            return True
+        except ValueError:
+            return False
+
+    def is_domain(self, hostname):
+        if len(hostname) > 255:
+            return False
+        
+        if hostname[-1:] == ".":
+            hostname = hostname[:-1] # strip exactly one dot from the right, if present
+            
+        return all(self.domain_regexp.match(x) for x in hostname.split("."))
+
+    # TODO
+    def get_help(self):
+        return "This will be the help"
+
+    def get_footer(self):
+        if not self.footer:
+            f = open(Config().parser['Printing']['footer'])
+            self.footer = f.read()
+            f.close()
+
+        return self.footer
+
+    def get_header(self):
+        if not self.header:
+            f = open(Config().parser['Printing']['header'])
+            self.header = f.read()
+            f.close()
+
+        return self.header
+
+class WhoisHandler(socketserver.BaseRequestHandler):
+
+    def setup(self):
+        self.daemon = self.server.daemon
+
+    def handle(self):
+        data = str(self.request.recv(100).strip(), 'utf-8')
+        print('Received: {}'.format(data))
+
+        response = self.daemon.get_header()
+        response += self.daemon.query(data)
+        response += self.daemon.get_footer()
+        
+        self.request.sendall(bytes(response, 'utf-8'))
+    
+class ClassicServer(socketserver.ThreadingTCPServer):    
+    def __init__(self, daemon):
+        host = Config().parser['Servers']['classic_host']
+        port = int(Config().parser['Servers']['classic_port'])
+        self.daemon = daemon
+
+        socketserver.ThreadingTCPServer.__init__(self, (host, port), WhoisHandler)
+
+class WebServer(socketserver.ThreadingTCPServer):
+    def __init__(self, daemon):
+        self.host = Config().parser['Servers']['web_host']
+        self.port = int(Config().parser['Servers']['web_port'])
+        self.daemon = daemon
+
+        socketserver.ThreadingTCPServer.__init__(self, (self.host, self.port), WhoisHandler)