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25eb0de1e7
Author | SHA1 | Date | |
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25eb0de1e7 | |||
fe2f418e35 |
2
.gitignore
vendored
2
.gitignore
vendored
@ -1,5 +1,5 @@
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# Artificats
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rio
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/rio
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# Testing stuff
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*.json
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@ -24,14 +24,26 @@ import (
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"github.com/urfave/cli/v2"
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)
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func handleSubdomain(domain, cname, path, giteaUrl, defaultCsp string, giteaClient *repo.GiteaClient, w http.ResponseWriter) {
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// Extract the username from the domain name @domain that we're processing
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// at the moment.
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func extractUsername(pagesDomain, domain string) string {
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suffixlessDomain := strings.TrimSuffix(domain, "."+pagesDomain)
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usernameParts := strings.Split(suffixlessDomain, ".")
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if len(usernameParts) == 1 {
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return usernameParts[0]
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}
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return strings.Join(usernameParts, ".")
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}
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func handleSubdomain(pagesDomain, domain, cname, path, giteaUrl, defaultCsp string, giteaClient *repo.GiteaClient, w http.ResponseWriter) {
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username := ""
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if cname != "" {
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// If we are accessed via a CNAME, then CNAME contains our <user>.<pages domain> value.
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username = strings.Split(cname, ".")[0]
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username = extractUsername(pagesDomain, cname)
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} else {
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// If we are directly accessed, then domain contains our <user>.<pages domain> value.
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username = strings.Split(domain, ".")[0]
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username = extractUsername(pagesDomain, domain)
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}
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// Strip the leading /
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@ -67,9 +79,19 @@ func Handler(pagesDomain, giteaUrl, defaultCsp string, giteaClient *repo.GiteaCl
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return func(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Server", "rio")
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// Is the direct domain requested?
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if req.Host == pagesDomain {
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log.Debug("Direct pages domain is requested.")
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// TODO: Handle
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w.WriteHeader(404)
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return
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}
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// Is a direct subdomain requested?
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if strings.HasSuffix(req.Host, pagesDomain) {
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log.Debug("Domain can be directly handled")
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handleSubdomain(req.Host, "", req.URL.Path, giteaUrl, defaultCsp, giteaClient, w)
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handleSubdomain(pagesDomain, req.Host, "", req.URL.Path, giteaUrl, defaultCsp, giteaClient, w)
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return
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}
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@ -81,9 +103,12 @@ func Handler(pagesDomain, giteaUrl, defaultCsp string, giteaClient *repo.GiteaCl
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}
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log.Debugf("Got CNAME %s", cname)
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if strings.HasSuffix(cname, pagesDomain) {
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// Is a direct subdomain requested after CNAME lookup?
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// NOTE: We now require the leading dot because a CNAME to the direct
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// pages domain makes no sense.
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if strings.HasSuffix(cname, "."+pagesDomain) {
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log.Debugf("%s is alias of %s and can be handled after a CNAME query", req.Host, cname)
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handleSubdomain(req.Host, cname, req.URL.Path, giteaUrl, defaultCsp, giteaClient, w)
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handleSubdomain(pagesDomain, req.Host, cname, req.URL.Path, giteaUrl, defaultCsp, giteaClient, w)
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return
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}
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23
cmd/rio/main_test.go
Normal file
23
cmd/rio/main_test.go
Normal file
@ -0,0 +1,23 @@
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package main
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import "testing"
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func TestExtractUsernameSimple(t *testing.T) {
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username := extractUsername(
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"pages.local",
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"papatutuwawa.pages.local",
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)
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if username != "papatutuwawa" {
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t.Fatalf("Unexpected username: '%s'", username)
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}
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}
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func TestExtractUsernameDot(t *testing.T) {
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username := extractUsername(
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"pages.local",
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"polynom.me.pages.local",
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)
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if username != "polynom.me" {
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t.Fatalf("Unexpected username: '%s'", username)
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}
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}
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