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7a8cdb6d19
* v2 -> v3 * Increase version within Makefile --------- Co-authored-by: JanHoefelmeyer <hoefelmeyer.jan@gmail.com>
68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
// This file is Free Software under the MIT License
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// without warranty, see README.md and LICENSES/MIT.txt for details.
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//
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// SPDX-License-Identifier: MIT
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//
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// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
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// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
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// Package main implements the csaf_provider.
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package main
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import (
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"fmt"
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"log"
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"net/http"
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"net/http/cgi"
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"os"
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"github.com/jessevdk/go-flags"
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"github.com/csaf-poc/csaf_distribution/v3/util"
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)
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type options struct {
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Version bool `long:"version" description:"Display version of the binary"`
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}
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const cgiRequired = "The csaf_provider is a cgi binary and is designed to be served via a web server."
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func ensureCGI() {
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if _, ok := os.LookupEnv("REQUEST_METHOD"); !ok {
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fmt.Println(cgiRequired)
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fmt.Println("Version: " + util.SemVersion)
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os.Exit(1)
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}
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}
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func main() {
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var opts options
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parser := flags.NewParser(&opts, flags.Default)
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parser.Parse()
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if opts.Version {
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fmt.Println(util.SemVersion)
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return
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}
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ensureCGI()
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cfg, err := loadConfig()
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if err != nil {
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cgi.Serve(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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http.Error(rw, "Something went wrong. Check server logs for more details",
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http.StatusInternalServerError)
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}))
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log.Fatalf("error: %v\n", err)
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}
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c, err := newController(cfg)
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if err != nil {
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log.Fatalf("error: %v\n", err)
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}
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pim := newPathInfoMux()
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c.bind(pim)
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if err := cgi.Serve(pim); err != nil {
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log.Fatalf("error: %v\n", err)
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}
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}
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