HTTP Basics node_girls @ ੨ࢁ G’s Cafe 

Twitter: @yosuke_furukawa ϦΫϧʔτςΫϊϩδʔζॴଐ γχΞιϑτ΢ΣΞΤϯδχΞ 

HTTP Basics 

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yes !!! love http layer !!!! const http = require('http'); const server = http.createServer((req, res) => { res.writeHead(200); res.end('Hello World'); }); server.listen(3000, () => { console.log('listening'); }); 

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Node HTTP Basics 

ͦ΋ͦ΋ HTTP ͱ͸?? GET /hello.txt HTTP/1.1 User-Agent: curl/7.16.3 Host: www.example.com Accept-Language: en, mi HTTP/1.1 200 OK Date: Mon, 27 Jul 2009 12:28:53 GMT Server: Apache Last-Modified: Wed, 22 Jul 2009 19:15:56 GMT ETag: "34aa387-d-1568eb00" Accept-Ranges: bytes Content-Length: 51 Vary: Accept-Encoding Content-Type: text/plain Hello World! My payload includes a trailing CRLF. 3FRVFTU 3FTQPOTF 

ͦ΋ͦ΋ HTTP ͱ͸?? GET /hello.txt HTTP/1.1 User-Agent: curl/7.16.3 Host: www.example.com Accept-Language: en, mi HTTP/1.1 200 OK Date: Mon, 27 Jul 2009 12:28:53 GMT Server: Apache Last-Modified: Wed, 22 Jul 2009 19:15:56 GMT ETag: "34aa387-d-1568eb00" Accept-Ranges: bytes Content-Length: 51 Vary: Accept-Encoding Content-Type: text/plain Hello World! My payload includes a trailing CRLF. 3FRVFTU 3FTQPOTF 3FRVFTU
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ͦ΋ͦ΋ HTTP ͱ͸?? GET /hello.txt HTTP/1.1 User-Agent: curl/7.16.3 Host: www.example.com Accept-Language: en, mi HTTP/1.1 200 OK Date: Mon, 27 Jul 2009 12:28:53 GMT Server: Apache Last-Modified: Wed, 22 Jul 2009 19:15:56 GMT ETag: "34aa387-d-1568eb00" Accept-Ranges: bytes Content-Length: 51 Vary: Accept-Encoding Content-Type: text/plain Hello World! My payload includes a trailing CRLF. 3FRVFTU 3FTQPOTF 3FTQPOTF
-JOF
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HTTP ͸ TCP ͷ্ʹ͋ΔΞϓϦ έʔγϣϯϨΠϠͷϓϩτίϧ http://www.linuxacademy.ne.jp/lablog/infrastructure/155/ 

͡Ό͋TCPͷϨΠϠͰHTTP ࡞ͬͯΈͨΒ΋͏গ͠ཧղ͕ ਂ·ΔͷͰ͸ʁ 

TCPͷϞδϡʔϧ͸netΛ࢖͏ const net = require('net'); const CRLF = '\r\n'; const server = net.createServer((connection) => { console.log('connect!!'); connection.write('HTTP/1.1 200 OK' + CRLF); connection.write('Set-Cookie: test=123' + CRLF); connection.write(CRLF); connection.write('Hello world'); connection.end(); }); server.listen(3000, () => { console.log('listen on 3000'); }); 

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Response header Λฦͯ͠ΈΔ const net = require('net'); const CRLF = '\r\n'; const server = net.createServer((connection) => { console.log('connect!!'); connection.write('HTTP/1.1 200 OK' + CRLF); connection.write('Set-Cookie: test=123' + CRLF); connection.write(CRLF); connection.write('Hello world'); connection.end(); }); server.listen(3000, () => { console.log('listen on 3000'); }); 

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TCPͷϞδϡʔϧ͸netΛ࢖͏ const net = require('net'); const CRLF = '\r\n'; const server = net.createServer((connection) => { console.log('connect!!'); connection.write('HTTP/1.1 200 OK' + CRLF); connection.write('Set-Cookie: test=123' + CRLF); connection.write(CRLF); connection.write('Hello world'); connection.end(); }); server.listen(3000, () => { console.log('listen on 3000'); }); 3FTQPOTF
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ϚδϨε͢Δͱ 

ͦΜͳ͜ͱ͸͠ͳ͍ Use express !!!! const app = express(); app.use('/static', express.static()); app.use('/foo', (req, res, next) => { res.send('foo'); }); app.use('/bar', (req, res, next) => { res.send('foo'); }); 

ͨͩHTTP͕Ͳ͏ͳͬͯΔ͔Λ ஌͓ͬͯ͘͜ͱ͸ॏཁ GET /hello.txt HTTP/1.1 User-Agent: curl/7.16.3 Host: www.example.com Accept-Language: en, mi HTTP/1.1 200 OK Date: Mon, 27 Jul 2009 12:28:53 GMT Server: Apache Last-Modified: Wed, 22 Jul 2009 19:15:56 GMT ETag: "34aa387-d-1568eb00" Accept-Ranges: bytes Content-Length: 51 Vary: Accept-Encoding Content-Type: text/plain Hello World! My payload includes a trailing CRLF. 

ΞϓϦέʔγϣϯϨΠϠͰ࢓ࣄ ͍ͯ͠Δͱ๨Ε͕ͪ 

தͰಈ͍ͯΔ࿩͕Θ͔Δͱɺ ͜͏͍͏͜ͱ͕Ͱ͖Δ DEMO 

HTTPϨΠϠͷಈ͖͸webͷ ಈ͖ͦͷ΋ͷɺڵຯΛ࣋ͱ͏ɺ ωοτϫʔΫϨΠϠʹɻ 

Thank you. 


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