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/*
* Main listener
*
* Copyright (C) 2024 Runxi Yu <https://runxiyu.org>
* SPDX-License-Identifier: BSD-2-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package main
import (
"html/template"
"log"
"net"
"net/http"
"net/http/fcgi"
"time"
)
var tmpl *template.Template
func main() {
var err error
if err := fetchConfig("cca.scfg"); err != nil {
log.Fatal(err)
}
log.Println("Setting up database")
if err := setupDatabase(); err != nil {
log.Fatal(err)
}
log.Println("Setting up JWKS")
if err := setupJwks(); err != nil {
log.Fatal(err)
}
log.Println("Setting up templates")
tmpl, err = template.ParseGlob(config.Tmpl)
if err != nil {
log.Fatal(err)
}
log.Println("Setting up courses")
err = setupCourses()
if err != nil {
log.Fatal(err)
}
log.Println("Setting up WebSocket connection pool")
err = setupChanPool()
if err != nil {
log.Fatal(err)
}
if config.Static {
log.Println("Registering static handle")
fs := http.FileServer(http.Dir("./static"))
http.Handle("/static/", http.StripPrefix("/static/", fs))
}
log.Println("Registering handlers")
http.HandleFunc("/{$}", handleIndex)
http.HandleFunc("/auth", handleAuth)
http.HandleFunc("/pw", handlePw)
http.HandleFunc("/ws", handleWs)
log.Printf(
"Establishing listener for net \"%s\", addr \"%s\"\n",
config.Listen.Net,
config.Listen.Addr,
)
l, err := net.Listen(config.Listen.Net, config.Listen.Addr)
if err != nil {
log.Fatal(err)
}
if config.Listen.Proto == "http" {
log.Println("Serving http")
srv := &http.Server{
ReadHeaderTimeout: 5 * time.Second,
} //exhaustruct:ignore
err = srv.Serve(l)
} else if config.Listen.Proto == "fcgi" {
log.Println("Serving fcgi")
err = fcgi.Serve(l, nil)
}
if err != nil {
log.Fatal(err)
}
}
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