Python CGI servers.

2018-02-13 19:27:06 -03:00 · 2018-02-13 19:27:06 -03:00 · 735bb8d085
parent 1d82df2991
commit 735bb8d085
1 changed files with 102 additions and 0 deletions
--- a/linux/lighttpd-python-cgi.txt
+++ b/linux/lighttpd-python-cgi.txt
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+Lighttpd: CGI with Python
+------------------------------
+
+* Enable CGI in lighttpd:
+
+    * Create: /etc/lighttpd/conf-available/95-testing-cgi.conf
+
+        #-- Alias.
+        alias.url += ( "/testing" => "/home/user/path/to/testcgi/dir" )
+
+        #-- Server.
+        $HTTP["url"] =~ "^/testing" {
+            cgi.assign = ("" => "")
+        }
+
+    * Enable the configuration.
+
+        ln -s /etc/lighttpd/conf-available/95-testing-cgi.conf /etc/lighttpd/conf-enabled/95-testing-cgi.conf
+
+    * Restart lighttpd:
+
+        systemctl restart lighttpd.service
+
+
+* Simple python http cgi server:
+
+    tree
+    +-- cgi-bin
+    |   +-- retrieval.py
+    +-- forms.html
+
+    chmod +x cgi-bin/retrieval.py
+    python -m CGIHTTPServer 8088
+    http://localhost:8000/forms.html
+
+
+* Simple python https cgi server:
+
+    tree
+    +-- retrieval.py
+    +-- forms.html
+
+    * Generate the https certificate:
+        openssl req -x509 -newkey rsa:4096 -keyout servercgi.pem -out servercgi.pem -days 3650 -nodes
+
+    * servercgi.py:
+        #!/usr/bin/env python3
+        import cgitb, getpass, http.server, os, ssl, sys
+
+        PUERTO = 9099
+
+        def Main():
+            nombre = getpass.getuser()
+            if (nombre != 'myusername'):
+                print('ERROR: use only with the user myusername.')
+                return
+
+            os.environ['PYTHONDONTWRITEBYTECODE'] = 'TRUE'
+            os.chdir('/path/to/tree')
+            cgitb.enable()
+            server = http.server.HTTPServer
+            handler = http.server.CGIHTTPRequestHandler
+            srvaddr = ('', PUERTO)
+            handler.cgi_directories = ['/']
+            srvobj = server(srvaddr, handler)
+            srvobj.socket = ssl.wrap_socket(srvobj.socket, certfile='servercgi.pem', server_side=True)
+            handler.have_fork=False
+            print('Page: https://127.0.0.1:' + str(PUERTO) + '/retrieval.py')
+            srvobj.serve_forever()
+            return
+
+        Main()
+
+    * Start the server with ./servercgi.py
+
+    * Testing script: /path/to/tree/retrieval.py
+
+        #! /usr/bin/env python3
+        import cgi, cgitb
+
+        cgitb.enable(format='html')
+        #cgitb.enable(format='text')
+
+        def ShowHtml():
+            print('Content-Type: text/html; charset=UTF-8')
+            print('')
+            print('<html><head>')
+            print('<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />')
+            print('<meta http-equiv="Expires" content="0">')
+            print('<meta http-equiv="Last-Modified" content="0">')
+            print('<meta http-equiv="Pragma" content="no-cache">')
+            print('<meta http-equiv="Cache-Control" content="no-cache, mustrevalidate">')
+            print('<title>MyTitle</title>')
+            print('</head><body>')
+            print('This is a test CGI page.')
+            print('</body></html>')
+            print('')
+            return
+
+        ShowHtml()
+
+    * End.