6 changed files with 50 additions and 4 deletions
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README.md
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| * `webframe.middleware.cookies`: Adds `request.cookies`, parsed COOKIE header. | * `webframe.middleware.cookies`: Adds `request.cookies`, parsed COOKIE header. | ||||
| * `webframe.middleware.params`: Adds `request.params`, parsed URL parameters. | * `webframe.middleware.params`: Adds `request.params`, parsed URL parameters. | ||||
| * `webframe.middleware.payload`: Adds `request.payload`, a string (max 50 | |||||
| kilobytes) of the request payload. | |||||
| In the future, there will be middleware for POST request too. | |||||
| In the future, there will be middleware for form data over POST too. | |||||
| ### Modifications to the request and response objects | ### Modifications to the request and response objects | ||||
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example.js
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| var app = new webframe.App(); | var app = new webframe.App(); | ||||
| // Endpoint which uses the "params" middleware to parse URL parameters | // Endpoint which uses the "params" middleware to parse URL parameters | ||||
| app.get("/endpoint", [ mw.params ], (req, res) => { | |||||
| app.get("/params-example", [ mw.params ], (req, res) => { | |||||
| res.end("Hello, "+req.params.name); | res.end("Hello, "+req.params.name); | ||||
| }); | }); | ||||
| // Endpoint which uses the "payload" middleware to get the payload as a string | |||||
| app.post("/payload-example", [ mw.payload ], (req, res) => { | |||||
| res.end(req.payload); | |||||
| }); | |||||
| // When a an endpoint path starts with a ^, it's interpreted as a | // When a an endpoint path starts with a ^, it's interpreted as a | ||||
| // regular expression pattern. "^.*" matches everything (though endpoints | // regular expression pattern. "^.*" matches everything (though endpoints | ||||
| // with explicit paths, like the "/endpoint" above, are prioritized). | // with explicit paths, like the "/endpoint" above, are prioritized). |
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index.js
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| if (typeof func !== "function") | if (typeof func !== "function") | ||||
| throw new TypeError("Func must be a function."); | throw new TypeError("Func must be a function."); | ||||
| // All middlewares must exist | |||||
| if (middleware) { | |||||
| for (var i in middleware) { | |||||
| if (typeof middleware[i] !== "function") { | |||||
| this.panic( | |||||
| "Middleware "+i+" for "+method+" "+path+ | |||||
| " is "+(typeof middleware[i])+", expected function."); | |||||
| return; | |||||
| } | |||||
| } | |||||
| } | |||||
| // Add to routes array or route map | // Add to routes array or route map | ||||
| if (path[0] === "^") { | if (path[0] === "^") { | ||||
| var pat = new RegExp(path); | var pat = new RegExp(path); |
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js/middleware.js
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| cb(); | cb(); | ||||
| } | } | ||||
| /* | |||||
| * Add req.payload | |||||
| */ | |||||
| function payload(req, res, cb, app) { | |||||
| var max = 50 * 1000; | |||||
| req.payload = ""; | |||||
| var warned = false; | |||||
| req.on("data", d => { | |||||
| if (!warned && req.payload.length + d.length > max) { | |||||
| app.warning("Payload with length above "+max+" bytes ignored."); | |||||
| return cb(); | |||||
| } | |||||
| req.payload += d; | |||||
| }); | |||||
| req.on("end", () => { | |||||
| if (!warned) | |||||
| cb(); | |||||
| }); | |||||
| } | |||||
| exports.cookies = cookies; | exports.cookies = cookies; | ||||
| exports.params = params; | exports.params = params; | ||||
| exports.payload = payload; |
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package.json
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| { | { | ||||
| "name": "webframe", | "name": "webframe", | ||||
| "version": "0.2.1", | |||||
| "version": "0.3.0", | |||||
| "description": "Web server.", | "description": "Web server.", | ||||
| "main": "index.js", | "main": "index.js", | ||||
| "scripts": { | "scripts": { |
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web/index.html
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| <body> | <body> | ||||
| <p> Hello World! </p> | <p> Hello World! </p> | ||||
| <form action="/endpoint" method="get"> | |||||
| <form action="/params-example" method="get"> | |||||
| <label>What's your name? <input type="text" name="name"></label> | <label>What's your name? <input type="text" name="name"></label> | ||||
| </form> | </form> | ||||
| <form action="/payload-example" method="post"> | |||||
| <label>Payload: <input type="text" name="payload"></label> | |||||
| </form> | |||||
| </body> | </body> | ||||
| </html> | </html> |
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