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21 lines
447 B
Go
21 lines
447 B
Go
package main
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import (
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"fmt"
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"net/http"
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)
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func serve() {
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http.HandleFunc("/user", func(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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username := r.Form.Get("username")
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if !isValidUsername(username) {
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// BAD: a request parameter is incorporated without validation into the response
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fmt.Fprintf(w, "%q is an unknown user", username)
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} else {
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// TODO: Handle successful login
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}
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})
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http.ListenAndServe(":80", nil)
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}
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