diff options
Diffstat (limited to 'website/cmd/server/main.go')
| -rw-r--r-- | website/cmd/server/main.go | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/website/cmd/server/main.go b/website/cmd/server/main.go deleted file mode 100644 index ac09550a9..000000000 --- a/website/cmd/server/main.go +++ /dev/null @@ -1,219 +0,0 @@ -// Copyright 2019 The gVisor Authors -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Server is the main gvisor.dev binary. -package main - -import ( - "flag" - "fmt" - "log" - "net/http" - "os" - "regexp" - "strings" -) - -var redirects = map[string]string{ - // GitHub redirects. - "/change": "https://github.com/google/gvisor", - "/issue": "https://github.com/google/gvisor/issues", - "/issues": "https://github.com/google/gvisor/issues", - "/issue/new": "https://github.com/google/gvisor/issues/new", - "/pr": "https://github.com/google/gvisor/pulls", - - // For links. - "/faq": "/docs/user_guide/faq/", - - // From 2020-05-12 to 2020-06-30, the FAQ URL was uppercase. Redirect that - // back to maintain any links. - "/docs/user_guide/FAQ/": "/docs/user_guide/faq/", - - // Redirects to compatibility docs. - "/c": "/docs/user_guide/compatibility/", - "/c/linux/amd64": "/docs/user_guide/compatibility/linux/amd64/", - - // Redirect for old URLs. - "/docs/user_guide/compatibility/amd64/": "/docs/user_guide/compatibility/linux/amd64/", - "/docs/user_guide/compatibility/amd64": "/docs/user_guide/compatibility/linux/amd64/", - "/docs/user_guide/kubernetes/": "/docs/user_guide/quick_start/kubernetes/", - "/docs/user_guide/kubernetes": "/docs/user_guide/quick_start/kubernetes/", - "/docs/user_guide/oci/": "/docs/user_guide/quick_start/oci/", - "/docs/user_guide/oci": "/docs/user_guide/quick_start/oci/", - "/docs/user_guide/docker/": "/docs/user_guide/quick_start/docker/", - "/docs/user_guide/docker": "/docs/user_guide/quick_start/docker/", - "/blog/2020/09/22/platform-portability": "/blog/2020/10/22/platform-portability/", - "/blog/2020/09/22/platform-portability/": "/blog/2020/10/22/platform-portability/", - - // Deprecated, but links continue to work. - "/cl": "https://gvisor-review.googlesource.com", -} - -var prefixHelpers = map[string]string{ - "change": "https://github.com/google/gvisor/commit/%s", - "issue": "https://github.com/google/gvisor/issues/%s", - "issues": "https://github.com/google/gvisor/issues/%s", - "pr": "https://github.com/google/gvisor/pull/%s", - - // Redirects to compatibility docs. - "c/linux/amd64": "/docs/user_guide/compatibility/linux/amd64/#%s", - - // Deprecated, but links continue to work. - "cl": "https://gvisor-review.googlesource.com/c/gvisor/+/%s", -} - -var ( - validID = regexp.MustCompile(`^[A-Za-z0-9-]*/?$`) - goGetHTML5 = `<!doctype html><html><head><meta charset=utf-8> -<meta name="go-import" content="gvisor.dev/gvisor git https://github.com/google/gvisor"> -<meta name="go-import" content="gvisor.dev/website git https://github.com/google/gvisor-website"> -<title>Go-get</title></head><body></html>` -) - -// cronHandler wraps an http.Handler to check that the request is from the App -// Engine Cron service. -// See: https://cloud.google.com/appengine/docs/standard/go112/scheduling-jobs-with-cron-yaml#validating_cron_requests -func cronHandler(h http.Handler) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - if r.Header.Get("X-Appengine-Cron") != "true" { - http.NotFound(w, r) - return - } - // Fallthrough. - h.ServeHTTP(w, r) - }) -} - -// wrappedHandler wraps an http.Handler. -// -// If the query parameters include go-get=1, then we redirect to a single -// static page that allows us to serve arbitrary Go packages. -func wrappedHandler(h http.Handler) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - gg, ok := r.URL.Query()["go-get"] - if ok && len(gg) == 1 && gg[0] == "1" { - // Serve a trivial html page. - w.Write([]byte(goGetHTML5)) - return - } - // Fallthrough. - h.ServeHTTP(w, r) - }) -} - -// redirectWithQuery redirects to the given target url preserving query parameters. -func redirectWithQuery(w http.ResponseWriter, r *http.Request, target string) { - url := target - if qs := r.URL.RawQuery; qs != "" { - url += "?" + qs - } - http.Redirect(w, r, url, http.StatusFound) -} - -// hostRedirectHandler redirects the www. domain to the naked domain. -func hostRedirectHandler(h http.Handler) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - if strings.HasPrefix(r.Host, "www.") { - // Redirect to the naked domain. - r.URL.Scheme = "https" // Assume https. - r.URL.Host = r.Host[4:] // Remove the 'www.' - http.Redirect(w, r, r.URL.String(), http.StatusMovedPermanently) - return - } - - if *projectID != "" && r.Host == *projectID+".appspot.com" && *customHost != "" { - // Redirect to the custom domain. - r.URL.Scheme = "https" // Assume https. - r.URL.Host = *customHost - http.Redirect(w, r, r.URL.String(), http.StatusMovedPermanently) - return - } - h.ServeHTTP(w, r) - }) -} - -// prefixRedirectHandler returns a handler that redirects to the given formated url. -func prefixRedirectHandler(prefix, baseURL string) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - if p := r.URL.Path; p == prefix { - // Redirect /prefix/ to /prefix. - http.Redirect(w, r, p[:len(p)-1], http.StatusFound) - return - } - id := r.URL.Path[len(prefix):] - if !validID.MatchString(id) { - http.Error(w, "Not found", http.StatusNotFound) - return - } - target := fmt.Sprintf(baseURL, id) - redirectWithQuery(w, r, target) - }) -} - -// redirectHandler returns a handler that redirects to the given url. -func redirectHandler(target string) http.Handler { - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - redirectWithQuery(w, r, target) - }) -} - -// redirectRedirects registers redirect http handlers. -func registerRedirects(mux *http.ServeMux) { - if mux == nil { - mux = http.DefaultServeMux - } - - for prefix, baseURL := range prefixHelpers { - p := "/" + prefix + "/" - mux.Handle(p, hostRedirectHandler(wrappedHandler(prefixRedirectHandler(p, baseURL)))) - } - - for path, redirect := range redirects { - mux.Handle(path, hostRedirectHandler(wrappedHandler(redirectHandler(redirect)))) - } -} - -// registerStatic registers static file handlers -func registerStatic(mux *http.ServeMux, staticDir string) { - if mux == nil { - mux = http.DefaultServeMux - } - mux.Handle("/", hostRedirectHandler(wrappedHandler(http.FileServer(http.Dir(staticDir))))) -} - -func envFlagString(name, def string) string { - if val := os.Getenv(name); val != "" { - return val - } - return def -} - -var ( - addr = flag.String("http", envFlagString("HTTP", ":"+envFlagString("PORT", "8080")), "HTTP service address") - staticDir = flag.String("static-dir", envFlagString("STATIC_DIR", "_site"), "static files directory") - - // Uses the standard GOOGLE_CLOUD_PROJECT environment variable set by App Engine. - projectID = flag.String("project-id", envFlagString("GOOGLE_CLOUD_PROJECT", ""), "The App Engine project ID.") - customHost = flag.String("custom-domain", envFlagString("CUSTOM_DOMAIN", "gvisor.dev"), "The application's custom domain.") -) - -func main() { - flag.Parse() - - registerRedirects(nil) - registerStatic(nil, *staticDir) - - log.Printf("Listening on %s...", *addr) - log.Fatal(http.ListenAndServe(*addr, nil)) -} |