Http basics
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Lab #1 - HTTP Basics EL-6240 Web Technology and Mobile Computing http://eueung.github.io/EL6240/
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Http basics
- 1. KBTW Lab #1 HTTP Basics Eueung Mulyana http://eueung.github.io/EL6240/http EL-6240 | Attribution-ShareAlike CC BY-SA 1 / 24
- 2. Outline Tools Quick Start Beyond CLI - Put Some Codes 2 / 24
- 4. 4 / 24 This Checklist Please: Python 2 Putty or Terminal Request Maker / Postman (Chrome Ext./App.) Text Editor cURL
- 5. Quick Start 5 / 24
- 7. Request Maker - Response Header 7 / 24
- 8. Request Maker - Response Body -> Document 8 / 24
- 9. Put a Path $>python-mSimpleHTTPServer8080 ServingHTTPon0.0.0.0port8080... 127.0.0.1--[02/Feb/201605:33:06]code404,messageFilenotfound 127.0.0.1--[02/Feb/201605:33:06]"GET/oncomHTTP/1.1" A Different Port 9 / 24
- 11. Using PuTTY / Terminal 11 / 24
- 13. Playing with Reqs PuTTY / Terminal GETHTTP/1.1 # GET $>python-mSimpleHTTPServer8080 ServingHTTPon0.0.0.0port8080... 127.0.0.1--[03/Feb/201603:21:19]code404,messageFilenotfound 127.0.0.1--[03/Feb/201603:21:19]"GETHTTP/1.1"404- 127.0.0.1--[03/Feb/201603:22:37]code400,messageBadrequestsyntax( 127.0.0.1--[03/Feb/201603:22:37]"GET"400- Responses <head><title>Errorresponse</title></head> <body> <h1>Errorresponse</h1> <p>Errorcode404. <p>Message:Filenotfound. <p>Errorcodeexplanation:404=NothingmatchesthegivenURI </body> <head><title>Errorresponse</title></head> <body> <h1>Errorresponse</h1> <p>Errorcode400. <p>Message:Badrequestsyntax('GET'). <p>Errorcodeexplanation:400=Badrequestsyntaxorunsuppo </body> 13 / 24
- 14. Playing with Reqs PuTTY / Terminal GET/oncomHTTP/1.1 $>python-mSimpleHTTPServer8080 ServingHTTPon0.0.0.0port8080... 127.0.0.1--[03/Feb/201603:18:51]code404,messageFilenotfound 127.0.0.1--[03/Feb/201603:18:51]"GET/oncomHTTP/1.1" Response HTTP/1.0404Filenotfound Server:SimpleHTTP/0.6Python/2.7.10 Date:Tue,02Feb201620:18:51GMT Content-Type:text/html Connection:close <head> <title>Errorresponse</title> </head> <body> <h1>Errorresponse</h1> <p>Errorcode404. <p>Message:Filenotfound. <p>Errorcodeexplanation:404=NothingmatchesthegivenURI </body> 14 / 24
- 15. Playing with Reqs PuTTY / Terminal POST/HTTP/1.1 $>python-mSimpleHTTPServer8080 ServingHTTPon0.0.0.0port8080... 127.0.0.1--[03/Feb/201603:26:23]code501,messageUnsupportedmethod( 127.0.0.1--[03/Feb/201603:26:23]"POST/HTTP/1.1"501- Response HTTP/1.0501Unsupportedmethod('POST') Server:SimpleHTTP/0.6Python/2.7.10 Date:Tue,02Feb201620:26:23GMT Content-Type:text/html Connection:close <head><title>Errorresponse</title></head> <body> <h1>Errorresponse</h1> <p>Errorcode501. <p>Message:Unsupportedmethod('POST'). <p>Errorcodeexplanation:501=Serverdoesnotsupportthis </body> 15 / 24
- 16. Beyond CLI Put Some Codes 16 / 24
- 17. Server #00 Codes importSimpleHTTPServer importSocketServer #--------------------------------------------------- PORT =8000 Handler=SimpleHTTPServer.SimpleHTTPRequestHandler httpd =SocketServer.TCPServer(("",PORT),Handler) #--------------------------------------------------- print"Servingatport",PORT httpd.serve_forever() $>pythonserver-00.py Servingatport8000 127.0.0.1--[04/Feb/201609:34:45]"GET/HTTP/1.1"200- 127.0.0.1--[04/Feb/201609:38:41]code501,messageUnsupportedmethod( 127.0.0.1--[04/Feb/201609:38:41]"POST/HTTP/1.1"501- cURL $>curl-vhttp://localhost:8000/ #...Connectedtolocalhost(127.0.0.1)port8000(#0) >GET/HTTP/1.1 >Host:localhost:8000 >User-Agent:curl/7.47.0 >Accept:*/* > #HTTP1.0,assumecloseafterbody <HTTP/1.0200OK <Server:SimpleHTTP/0.6Python/2.7.10 <Date:Thu,04Feb201602:34:45GMT <Content-type:text/html;charset=mbcs <Content-Length:416 < <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML3.2Final//EN"><html> <title>Directorylistingfor/</title> <body> <h2>Directorylistingfor/</h2> <hr><ul> <li><ahref="file.html">file.html</a> <li><ahref="server-00.py">server-00.py</a> <li><ahref="server-01.py">server-01.py</a> <li><ahref="server-02.py">server-02.py</a> <li><ahref="source/">source/</a> </ul><hr> </body></html> #Closingconnection0 17 / 24
- 19. Server #01 Custom Handler importSimpleHTTPServer importSocketServer #--------------------------------------------------- classGetHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): defdo_GET(self): printself.headers SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self) #--------------------------------------------------- PORT =8000 Handler=GetHandler httpd =SocketServer.TCPServer(("",PORT),Handler) #--------------------------------------------------- print"servingatport",PORT httpd.serve_forever() $>pythonserver-01.py servingatport8000 Host:localhost:8000 User-Agent:curl/7.47.0 Accept:*/* 127.0.0.1--[04/Feb/201611:50:12]"GET/HTTP/1.1"200- $>curl-vhttp://localhost:8000/ #...Connectedtolocalhost(127.0.0.1)port8000(#0) >GET/HTTP/1.1 >Host:localhost:8000 >User-Agent:curl/7.47.0 >Accept:*/* > #HTTP1.0,assumecloseafterbody <HTTP/1.0200OK <Server:SimpleHTTP/0.6Python/2.7.10 <Date:Thu,04Feb201604:50:12GMT <Content-type:text/html;charset=mbcs <Content-Length:416 < <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML3.2Final//EN"><html> ...Closingconnection0 19 / 24
- 20. Server #02 Fake POST importSimpleHTTPServer importSocketServer #--------------------------------------------------- classGetHandler(SimpleHTTPServer.SimpleHTTPRequestHandler) defdo_GET(self): printself.headers SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self) defdo_POST(self): printself.headers SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self) #--------------------------------------------------- PORT =8000 Handler=GetHandler httpd =SocketServer.TCPServer(("",PORT),Handler) #--------------------------------------------------- print"servingatport",PORT httpd.serve_forever() 20 / 24
- 22. Refs 22 / 24
- 23. Refs 1. SimpleHTTPServer - Simple HTTP request handler - Python documentation 2. BaseHTTPServer - Python Module of the Week 23 / 24
- 24. END Eueung Mulyana http://eueung.github.io/EL6240/http EL-6240 | Attribution-ShareAlike CC BY-SA 24 / 24