87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package grasp
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import (
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"fmt"
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"net/http"
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"regexp"
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"strings"
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"fiatjaf.com/nostr"
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"fiatjaf.com/nostr/nip19"
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)
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var asciiPattern = regexp.MustCompile(`^[\w-.]+$`)
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// handleGitRequest validates .git suffix and decodes npub, then calls the handler
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func (gs *GraspServer) handleGitRequest(
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w http.ResponseWriter,
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r *http.Request,
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base http.Handler,
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handler func(http.ResponseWriter,
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*http.Request,
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nostr.PubKey,
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string,
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),
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) {
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npub := r.PathValue("npub")
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repoWithGit := r.PathValue("repo")
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// validate .git suffix
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if !strings.HasSuffix(repoWithGit, ".git") {
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base.ServeHTTP(w, r)
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return
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}
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repoName := strings.TrimSuffix(repoWithGit, ".git")
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// validate repo name
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if !asciiPattern.MatchString(repoName) {
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http.Error(w, "invalid repository name", 400)
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return
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}
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// decode npub to pubkey
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_, value, err := nip19.Decode(npub)
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if err != nil {
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http.Error(w, "invalid npub", 400)
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return
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}
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pk, ok := value.(nostr.PubKey)
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if !ok {
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http.Error(w, "invalid npub", 400)
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return
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}
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handler(w, r, pk, repoName)
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}
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// serveRepoPage serves a webpage for the repository
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func (gs *GraspServer) serveRepoPage(w http.ResponseWriter, r *http.Request, npub, repoName string) {
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w.Header().Set("Content-Type", "text/html")
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html := fmt.Sprintf(`<!DOCTYPE html>
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<html>
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<head>
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<title>%s/%s - NIP-34 Git Repository</title>
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<style>
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body { font-family: sans-serif; max-width: 800px; margin: 50px auto; padding: 20px; }
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h1 { color: #333; }
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code { background: #f4f4f4; padding: 2px 6px; border-radius: 3px; }
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pre { background: #f4f4f4; padding: 15px; border-radius: 5px; overflow-x: auto; }
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.info { background: #e7f3ff; padding: 15px; border-left: 4px solid #2196F3; margin: 20px 0; }
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</style>
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</head>
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<body>
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<h1>Repository: %s/%s</h1>
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<div class="info">
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<p>This is a NIP-34 git repository served over Nostr.</p>
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</div>
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<h2>Clone this repository</h2>
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<p>Use a git-nostr client to clone:</p>
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<pre>git clone %s/%s/%s.git</pre>
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<h2>Browse</h2>
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<p>Use a git-nostr web client or Nostr client to browse this repository.</p>
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</body>
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</html>`, npub, repoName, npub, repoName, r.Host, npub, repoName)
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fmt.Fprint(w, html)
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}
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